/* ==============================================================
   CYANIX AI — style.css v20 (v14 Code Interpreter)
   Design: Neon-Lofi Cyberpunk · liquid glass · deep space depth
   Fonts: Clash Display · Space Mono · Cabinet Grotesk
   v20 Additions:
   • cx-exec-preview panel (STDOUT/STDERR strip under code blocks)
   • cx-code-badge states: running, verified (executed), fixed (runtime)
   • sandbox-output, sandbox-err, run-btn, copy-btn full styles
   • cx-spin-badge animation for live execution indicator
============================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Mono:ital,wght@0,400;0,700;1,400&display=swap');
@import url('https://api.fontshare.com/v2/css?f[]=cabinet-grotesk@400,500,600,700,800&f[]=clash-display@400,500,600,700&display=swap');

/* -- Reset -------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
button {
  font: inherit; cursor: pointer; border: none; background: none;
  color: inherit; -webkit-appearance: none; appearance: none;
  transition: transform .18s var(--ease-spring), box-shadow .18s var(--ease), background .15s var(--ease), color .15s var(--ease);
}
button:active { transform: scale(0.94); }
input, textarea, select {
  font: inherit; color: inherit;
  background: transparent; -webkit-appearance: none; appearance: none;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* -- Design tokens ------------------------------------------ */
:root {
  /* Core accent palette — electric cyan */
  --accent:       #00e5ff;
  --accent-dim:   #00b8cc;
  --accent-glow:  rgba(0,229,255,0.22);
  --accent-soft:  rgba(0,229,255,0.08);
  --accent-mid:   rgba(0,229,255,0.16);
  --accent-high:  rgba(0,229,255,0.32);

  /* Secondary: violet pulse */
  --violet:       #7c3aed;
  --violet-glow:  rgba(124,58,237,0.22);
  --violet-soft:  rgba(124,58,237,0.08);

  /* Tertiary: neon rose */
  --rose:         #ff2d78;
  --rose-glow:    rgba(255,45,120,0.18);

  /* Emerald for success */
  --green:        #00ffa3;
  --green-bg:     rgba(0,255,163,0.08);
  --green-text:   #00cc82;

  /* Surfaces — deep space */
  --bg:        #050810;
  --surface:   #090d1a;
  --surface-2: #0d1220;
  --surface-3: #111828;
  --surface-4: #161f30;
  --border:    rgba(0,229,255,0.08);
  --border-2:  rgba(0,229,255,0.16);
  --border-3:  rgba(0,229,255,0.28);

  /* Text */
  --text-1: #e8f0ff;
  --text-2: #b0c4e8;
  --text-3: #8fa6cc;   /* raised from #6278a0 — passes WCAG AA 4.5:1 on --surface */
  --text-4: #6a82a8;   /* raised from #3a4d70 — passes WCAG AA 3:1 on --surface */
  --text-inv: #050810;

  /* State colors */
  --red:    #ff3b5c;
  --red-bg: rgba(255,59,92,0.10);
  --blue:   var(--accent);

  /* Compat aliases */
  --blue-50:   var(--accent-soft);
  --blue-100:  var(--accent-mid);
  --blue-200:  var(--accent-high);
  --blue-400:  var(--accent);
  --blue-500:  var(--accent);
  --blue-600:  var(--accent-dim);
  --blue-700:  var(--accent-dim);
  --blue-dark: var(--accent-dim);
  --blue-glow: var(--accent-glow);
  --purple:    var(--violet);

  /* Layout */
  --sidebar-w: 240px; --topbar-h: 52px; --msg-max: 760px;

  /* Typography */
  --font:       'Cabinet Grotesk', 'DM Sans', system-ui, -apple-system, sans-serif;
  --font-brand: 'Clash Display', 'Cabinet Grotesk', system-ui, sans-serif;
  --font-mono:  'Space Mono', 'JetBrains Mono', monospace;

  /* Radius */
  --r-xs: 4px; --r-sm: 7px; --r: 11px;
  --r-lg: 16px; --r-xl: 22px; --r-2xl: 28px; --r-full: 9999px;

  /* Shadows — neon depth */
  --sh-xs:   0 1px 3px rgba(0,0,0,.6);
  --sh-sm:   0 2px 8px rgba(0,0,0,.5), 0 1px 3px rgba(0,0,0,.4);
  --sh:      0 4px 16px rgba(0,0,0,.55), 0 2px 6px rgba(0,0,0,.4);
  --sh-lg:   0 12px 40px rgba(0,0,0,.65), 0 4px 14px rgba(0,0,0,.45);
  --sh-xl:   0 24px 72px rgba(0,0,0,.75), 0 8px 24px rgba(0,0,0,.5);
  --sh-accent: 0 0 0 1px var(--border-2), 0 4px 24px var(--accent-glow), 0 2px 8px rgba(0,0,0,.5);
  --sh-blue: 0 4px 24px var(--accent-glow), 0 2px 8px rgba(0,0,0,.5);

  /* Motion */
  --ease:        cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-spring: cubic-bezier(0.34, 1.48, 0.64, 1);
  --ease-out:    cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast: 130ms; --dur: 210ms; --dur-slow: 320ms; --dur-slower: 480ms;

  /* Glass */
  --glass-bg:     rgba(9,13,26,0.82);
  --glass-border: rgba(0,229,255,0.10);
  --glass-blur:   blur(24px) saturate(160%);

  /* Gradients */
  --grad-accent:  linear-gradient(135deg, #00e5ff, #7c3aed);
  --grad-surface: linear-gradient(160deg, rgba(0,229,255,0.04) 0%, rgba(124,58,237,0.03) 50%, transparent 100%);
  --grad-glow:    radial-gradient(ellipse at 50% 0%, rgba(0,229,255,0.12) 0%, transparent 65%);
}

/* ─── Light theme (legacy) ──────────────────────────────── */
[data-theme="light"] {
  --bg:#f0f4f9; --surface:#ffffff; --surface-2:#f4f7fc; --surface-3:#edf1f8; --surface-4:#e8edf8;
  --border:rgba(37,99,235,.10); --border-2:rgba(37,99,235,.20); --border-3:rgba(37,99,235,.35);
  --text-1:#0a1628; --text-2:#1e3a6e; --text-3:#4a6a9a; --text-4:#8a9ec0;
  --accent:#2563eb; --accent-dim:#1d4ed8; --accent-glow:rgba(37,99,235,0.18);
  --accent-soft:rgba(37,99,235,0.06); --accent-mid:rgba(37,99,235,0.14); --accent-high:rgba(37,99,235,0.28);
  --violet:#7c3aed; --rose:#e11d48; --green:#16a34a; --green-bg:rgba(22,163,74,.08);
  --glass-bg:rgba(255,255,255,0.88); --glass-border:rgba(37,99,235,0.12);
  --sh-xs:0 1px 2px rgba(0,0,0,.04); --sh-sm:0 2px 8px rgba(0,0,0,.06);
  --sh:0 4px 16px rgba(0,0,0,.08); --sh-lg:0 12px 40px rgba(0,0,0,.10);
  --sh-xl:0 24px 72px rgba(0,0,0,.12); --sh-blue:0 4px 24px rgba(37,99,235,.28);
  --sh-accent:0 0 0 1px rgba(37,99,235,.20), 0 4px 20px rgba(37,99,235,.18);
  --grad-accent:linear-gradient(135deg, #2563eb, #7c3aed);
  --grad-surface:linear-gradient(160deg, rgba(37,99,235,.04) 0%, rgba(124,58,237,.02) 50%, transparent 100%);
  --grad-glow:radial-gradient(ellipse at 50% 0%, rgba(37,99,235,.08) 0%, transparent 65%);
}

/* ─── Dark theme ─────────────────────────────────────────── */
[data-theme="dark"] {
  --bg:#0a0e1a; --surface:#10162a; --surface-2:#131c32; --surface-3:#182038; --surface-4:#1d2640;
  --border:rgba(0,229,255,.07); --border-2:rgba(0,229,255,.14); --border-3:rgba(0,229,255,.26);
  --text-1:#dce8ff; --text-2:#9db5d8; --text-3:#5a6e92; --text-4:#374762;
  --glass-bg:rgba(16,22,42,0.88);
}
[data-theme="dark"] .msg-row:not(.user) .msg-bubble { background: transparent; color: var(--text-1); }
[data-theme="dark"] .composer-box { background: rgba(10,14,26,0.85); backdrop-filter: var(--glass-blur); }
[data-theme="dark"] .topbar { background: rgba(10,14,26,0.92); backdrop-filter: var(--glass-blur); }
[data-theme="dark"] .sidebar { background: rgba(13,18,32,0.96); }

/* ─── Founder theme ──────────────────────────────────────── */
[data-theme="founder"] {
  --bg:#050a14; --surface:#0a1628; --surface-2:#0d1e35; --surface-3:#112442; --surface-4:#16294a;
  --border:rgba(0,229,255,.08); --border-2:rgba(0,229,255,.16);
  --text-1:#e0f0ff; --text-2:#90b8e0; --text-3:#4a7aaa; --text-4:#2a4a6a;
  --accent:#00e5ff; --glass-bg:rgba(10,22,40,0.90);
}

/* ─── Neon theme ─────────────────────────────────────────── */
[data-theme="neon"] {
  --bg:#08001a; --surface:#0f002a; --surface-2:#13003a; --surface-3:#18004a; --surface-4:#1f0058;
  --border:rgba(200,64,255,.08); --border-2:rgba(200,64,255,.18); --border-3:rgba(200,64,255,.32);
  --text-1:#f0e0ff; --text-2:#c090e8; --text-3:#8040b0; --text-4:#4a1870;
  --accent:#c840ff; --accent-dim:#a020d0; --accent-glow:rgba(200,64,255,0.24);
  --accent-soft:rgba(200,64,255,.08); --accent-mid:rgba(200,64,255,.16); --accent-high:rgba(200,64,255,.30);
  --violet:#00e5ff; --rose:#ff2d78;
  --sh-blue:0 4px 24px rgba(200,64,255,.40);
  --sh-accent:0 0 0 1px rgba(200,64,255,.20), 0 4px 24px rgba(200,64,255,.30);
  --glass-bg:rgba(8,0,26,0.90); --glass-border:rgba(200,64,255,0.12);
  --grad-accent:linear-gradient(135deg, #c840ff, #ff2d78);
}
[data-theme="neon"] .auth-btn,
[data-theme="neon"] .send-btn { background: linear-gradient(135deg, #8000c0, #c840ff); }
[data-theme="neon"] .welcome-heading { background: linear-gradient(135deg, #c840ff, #ff40c0); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
[data-theme="neon"] .supporter-badge { background: rgba(200,64,255,.15); border-color: rgba(200,64,255,.4); color: #c840ff; }
[data-theme="neon"] .composer-box { background: rgba(8,0,26,0.88); backdrop-filter: var(--glass-blur); }
[data-theme="neon"] .topbar { background: rgba(8,0,26,0.94); backdrop-filter: var(--glass-blur); }

/* ─── Midnight theme ─────────────────────────────────────── */
[data-theme="midnight"] {
  --bg:#060810; --surface:#0c1018; --surface-2:#101520; --surface-3:#141a28; --surface-4:#192030;
  --border:rgba(68,136,255,.08); --border-2:rgba(68,136,255,.16); --border-3:rgba(68,136,255,.28);
  --text-1:#cce0ff; --text-2:#8090b8; --text-3:#445878; --text-4:#283448;
  --accent:#4488ff; --accent-dim:#2266dd; --accent-glow:rgba(68,136,255,0.22);
  --accent-soft:rgba(68,136,255,.08); --accent-mid:rgba(68,136,255,.16); --accent-high:rgba(68,136,255,.30);
  --sh-blue:0 4px 24px rgba(68,136,255,.32);
  --glass-bg:rgba(6,8,16,0.90);
}

/* ─── Supporter badges ───────────────────────────────────── */
.supporter-badge {
  display: inline-flex; align-items: center;
  font-size: 10px; font-weight: 700; letter-spacing: .06em;
  padding: 1px 8px; border-radius: var(--r-full);
  background: rgba(255,200,64,.10); border: 1px solid rgba(255,200,64,.25);
  color: #f0c040; line-height: 1.7; flex-shrink: 0;
  font-family: var(--font-mono);
}
.supporter-badge[data-tier="founder"] { background: rgba(255,200,64,.10); border-color: rgba(255,200,64,.28); color: #f0c040; }
.supporter-badge[data-tier="supporter"] { background: var(--accent-soft); border-color: var(--border-2); color: var(--accent); }
.user-name-row { display: flex; flex-direction: column; align-items: flex-start; gap: 1px; overflow: hidden; flex: 1; min-width: 0; }
.user-name-row .user-name { width: 100%; }
.perk-on { font-size: 11px; font-weight: 700; color: var(--green-text); padding: 2px 9px; border-radius: var(--r-full); background: var(--green-bg); border: 1px solid rgba(0,255,163,.2); flex-shrink: 0; font-family: var(--font-mono); }
.perk-value { font-size: 12px; font-weight: 600; color: var(--text-2); padding: 2px 9px; border-radius: var(--r-full); background: var(--surface-3); border: 1px solid var(--border); flex-shrink: 0; }
.perk-lock { font-size: 13px; flex-shrink: 0; opacity: .4; cursor: default; }

/* ─── Base ───────────────────────────────────────────────── */
html {
  height: 100%; overscroll-behavior: none; scroll-behavior: smooth;
  padding: env(safe-area-inset-top,0) env(safe-area-inset-right,0) env(safe-area-inset-bottom,0) env(safe-area-inset-left,0);
}
body {
  height: 100%; overflow: hidden; background: var(--bg); color: var(--text-1);
  font-family: var(--font); font-size: 16px; line-height: 1.6;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: transparent; touch-action: manipulation;
  overscroll-behavior: none;
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(0,229,255,0.04) 0%, transparent 50%);
  background-attachment: fixed;
}

/* Scrollbars */
::-webkit-scrollbar { width: 3px; height: 3px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: var(--r-full); transition: background .2s; }
::-webkit-scrollbar-thumb:hover { background: var(--border-3); }
::selection { background: var(--accent-mid); color: var(--text-1); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: var(--r-sm); }

.view { position: fixed; inset: 0; }
.hidden { display: none !important; }
button, label, kbd, .sidebar, .topbar, .sb-brand, .chat-title, .ci-label, .msg-name, .msg-ts {
  user-select: none; -webkit-user-select: none;
}

/* ══════════════════════════════════════════════════════════
   SPLASH
══════════════════════════════════════════════════════════ */
.splash-view {
  display: flex; align-items: center; justify-content: center;
  background: var(--bg); z-index: 9999;
  background-image: var(--grad-glow);
}
.splash-inner { display: flex; flex-direction: column; align-items: center; gap: 22px; }
.splash-logo { position: relative; width: 108px; height: 108px; display: flex; align-items: center; justify-content: center; }
.splash-emblem {
  width: 64px; height: 64px; object-fit: contain; border-radius: 20px; position: relative; z-index: 1;
  animation: splashPulse 2.2s ease-in-out infinite;
  filter: drop-shadow(0 0 20px var(--accent)) drop-shadow(0 0 60px var(--accent-glow));
}
.splash-ring {
  position: absolute; border-radius: 50%;
  border: 1px solid var(--border-2);
  animation: splashRing 2.6s ease-out infinite; pointer-events: none;
}
.splash-ring-1 { width: 82px; height: 82px; animation-delay: 0s; border-color: var(--accent-mid); }
.splash-ring-2 { width: 108px; height: 108px; animation-delay: .8s; }
@keyframes splashPulse { 0%,100%{transform:scale(1);opacity:1;} 50%{transform:scale(1.08);opacity:.9;} }
@keyframes splashRing { 0%{transform:scale(.75);opacity:0;} 35%{opacity:.9;} 100%{transform:scale(1.6);opacity:0;} }
.splash-brand { font-family: var(--font-brand); font-size: 1.7rem; font-weight: 700; color: var(--text-1); letter-spacing: -0.5px; }
.splash-brand em { font-style: normal; color: var(--accent); text-shadow: 0 0 20px var(--accent-glow); }
.splash-status { font-size: .78rem; color: var(--text-4); font-family: var(--font-mono); letter-spacing: .05em; }
.splash-error { font-size: .82rem; color: var(--red); text-align: center; max-width: 300px; }
@media(prefers-color-scheme:dark) { .splash-view { background: #050810; } }

/* ══════════════════════════════════════════════════════════
   INSTALL & UPDATE BARS
══════════════════════════════════════════════════════════ */
/* ── Liquid Glass Install Banner ─────────────────────────── */
@keyframes slideDown { from{transform:translateY(-100%);}to{transform:none;} }
@keyframes glassShimmer {
  0%   { background-position: -200% center; }
  100% { background-position:  200% center; }
}

.install-banner {
  position: fixed; top: 0; left: 0; right: 0; z-index: 10000;
  display: flex; align-items: center; gap: 12px;
  padding: 13px 18px;

  /* Liquid glass core */
  background:
    linear-gradient(
      135deg,
      rgba(0,229,255,0.07) 0%,
      rgba(124,58,237,0.06) 40%,
      rgba(0,229,255,0.04) 100%
    ),
    rgba(9,13,26,0.55);
  backdrop-filter: blur(32px) saturate(180%) brightness(1.08);
  -webkit-backdrop-filter: blur(32px) saturate(180%) brightness(1.08);

  /* Prismatic border */
  border: 0;
  border-bottom: 1px solid rgba(0,229,255,0.18);
  box-shadow:
    0 1px 0 0 rgba(255,255,255,0.06) inset,      /* top inner highlight */
    0 -1px 0 0 rgba(0,229,255,0.10) inset,        /* bottom inner glow */
    0 8px 32px rgba(0,0,0,0.45),
    0 2px 8px rgba(0,0,0,0.3),
    0 0 0 1px rgba(0,229,255,0.06);

  /* Shimmer sweep pseudo via outline trick */
  animation: slideDown .38s var(--ease-spring);
  overflow: hidden;
}

/* Iridescent shimmer layer */
.install-banner::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(
    105deg,
    transparent 30%,
    rgba(0,229,255,0.06) 45%,
    rgba(124,58,237,0.08) 55%,
    transparent 70%
  );
  background-size: 200% 100%;
  animation: glassShimmer 4s ease-in-out infinite;
  pointer-events: none;
}

/* Noise texture for tactile glass feel */
.install-banner::after {
  content: '';
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  background-size: 180px 180px;
  pointer-events: none; opacity: 0.5;
}

.install-banner-icon {
  width: 38px; height: 38px; border-radius: 12px; flex-shrink: 0;
  box-shadow: 0 2px 10px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,255,255,0.08);
  position: relative; z-index: 1;
}
.install-banner-text { flex: 1; min-width: 0; position: relative; z-index: 1; }
.install-banner-text strong {
  display: block; font-size: .88rem; font-weight: 700;
  color: var(--text-1);
  text-shadow: 0 1px 8px rgba(0,229,255,0.2);
}
.install-banner-text span { font-size: .78rem; color: var(--text-3); }

.install-banner-btn {
  padding: 7px 17px;
  background: linear-gradient(135deg, rgba(0,229,255,0.9), rgba(0,180,210,0.85));
  color: #050810;
  border-radius: var(--r-full); font-size: .82rem; font-weight: 700;
  font-family: var(--font-brand); letter-spacing: .02em;
  flex-shrink: 0; position: relative; z-index: 1;
  box-shadow: 0 0 16px rgba(0,229,255,0.35), 0 2px 8px rgba(0,0,0,0.3),
              0 1px 0 rgba(255,255,255,0.25) inset;
  backdrop-filter: blur(4px);
}
.install-banner-btn:hover {
  background: linear-gradient(135deg, #00e5ff, #00b8cc);
  box-shadow: 0 0 24px rgba(0,229,255,0.55), 0 2px 10px rgba(0,0,0,0.3);
}

.install-banner-x {
  width: 30px; height: 30px; border-radius: 50%; flex-shrink: 0;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  color: var(--text-3); display: flex; align-items: center; justify-content: center;
  position: relative; z-index: 1;
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06) inset;
}
.install-banner-x:hover { background: rgba(255,255,255,0.10); color: var(--text-1); }
.install-banner-x::before { content: '×'; font-size: 18px; line-height: 1; }

[data-theme="light"] .install-banner {
  background:
    linear-gradient(135deg, rgba(37,99,235,0.06) 0%, rgba(124,58,237,0.04) 100%),
    rgba(255,255,255,0.60);
  border-bottom-color: rgba(37,99,235,0.15);
  box-shadow: 0 1px 0 rgba(255,255,255,0.9) inset, 0 8px 32px rgba(0,0,0,0.10);
}
[data-theme="light"] .install-banner-btn {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #fff;
  box-shadow: 0 0 16px rgba(37,99,235,0.3), 0 2px 8px rgba(0,0,0,0.15);
}
[data-theme="light"] .install-banner-x {
  background: rgba(0,0,0,0.04); border-color: rgba(0,0,0,0.08); color: var(--text-3);
}
.update-bar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 9999;
  display: flex; align-items: center; justify-content: center; gap: 12px;
  padding: 10px 16px;
  background: linear-gradient(90deg, var(--violet), var(--accent));
  color: #fff; font-size: .84rem; font-weight: 600;
  animation: slideDown .3s var(--ease-spring);
}
.update-bar button {
  padding: 4px 14px; background: rgba(255,255,255,.22);
  border: 1px solid rgba(255,255,255,.35); border-radius: var(--r-full);
  font-size: .78rem; font-weight: 700; color: #fff;
}

/* ══════════════════════════════════════════════════════════
   AUTH — Full-page split panel
══════════════════════════════════════════════════════════ */
.auth-view {
  display: flex; position: fixed; inset: 0;
  background: var(--bg); z-index: 10; overflow: hidden;
  background-image:
    radial-gradient(ellipse at 15% 50%, rgba(0,229,255,0.07) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 50%, rgba(124,58,237,0.06) 0%, transparent 55%);
}

/* Ambient orbs */
.auth-ambient { position: absolute; inset: 0; pointer-events: none; overflow: hidden; z-index: 0; }
.auth-orb {
  position: absolute; border-radius: 50%;
  filter: blur(100px); opacity: 0;
  animation: orbFloat 10s ease-in-out infinite;
}
.auth-orb-1 {
  width: 600px; height: 600px; top: -200px; left: -150px;
  background: radial-gradient(circle, rgba(0,229,255,.15), transparent 68%);
  animation-delay: 0s;
}
.auth-orb-2 {
  width: 480px; height: 480px; bottom: -120px; right: -100px;
  background: radial-gradient(circle, rgba(124,58,237,.12), transparent 68%);
  animation-delay: 4s;
}
.auth-orb-3 {
  width: 340px; height: 340px; top: 40%; left: 30%;
  background: radial-gradient(circle, rgba(255,45,120,.06), transparent 68%);
  animation-delay: 7s;
}
@keyframes orbFloat {
  0%   { opacity:0; transform: scale(.8) translateY(0); }
  20%  { opacity:1; }
  50%  { transform: scale(1.08) translateY(-28px); }
  80%  { opacity:1; }
  100% { opacity:0; transform: scale(.8) translateY(0); }
}

/* Left hero panel */
.auth-hero {
  display: none; flex: 1;
  background: var(--grad-surface);
  border-right: 1px solid var(--border);
  position: relative; z-index: 1;
  align-items: center; justify-content: center;
  overflow: hidden;
}
.auth-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 40px,
    rgba(0,229,255,0.015) 40px,
    rgba(0,229,255,0.015) 41px
  );
  pointer-events: none;
}
@media (min-width: 900px) { .auth-hero { display: flex; } }
.auth-hero-inner { padding: 64px 60px; max-width: 480px; position: relative; z-index: 1; }
.auth-hero-logo { width: 56px; height: 56px; margin-bottom: 40px; }
.auth-hero-logo img {
  width: 100%; height: 100%; object-fit: contain; border-radius: 16px;
  filter: drop-shadow(0 0 24px var(--accent-glow)) drop-shadow(0 8px 20px rgba(0,0,0,.5));
}
.auth-hero-title {
  font-family: var(--font-brand);
  font-size: clamp(2.2rem, 3.5vw, 3.2rem);
  font-weight: 700; line-height: 1.1; letter-spacing: -0.04em;
  color: var(--text-1); margin-bottom: 18px; min-height: 3.5em;
}
.auth-headline { display: block; }
.auth-headline .aw {
  display: inline-block; opacity: 0; transform: translateY(12px);
  transition: opacity .28s ease, transform .28s ease;
}
.auth-headline .aw.in  { opacity: 1; transform: none; }
.auth-headline .aw.out { opacity: 0; transform: translateY(-10px); }
.auth-headline .aw.acc {
  background: var(--grad-accent);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.auth-hero-tagline {
  font-size: .92rem; color: var(--text-3); margin-bottom: 48px;
  font-family: var(--font-mono); letter-spacing: .03em;
  transition: opacity .25s ease;
}
.auth-hero-tagline::before { content: '// '; opacity: .5; }
.auth-hero-features { display: flex; flex-direction: column; gap: 16px; }
.auth-feat {
  display: flex; align-items: center; gap: 13px;
  font-size: .88rem; color: var(--text-2); font-weight: 500;
  padding: 10px 16px; border-radius: var(--r-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
  transition: border-color .2s, background .2s;
}
.auth-feat:hover { border-color: var(--border-2); background: var(--surface-2); }
.auth-feat svg { color: var(--accent); flex-shrink: 0;  }

/* Right form panel */
.auth-form-panel {
  width: 100%; max-width: 480px; flex-shrink: 0;
  overflow-y: auto; overflow-x: hidden;
  display: flex; flex-direction: column;
  padding: 52px 44px 36px;
  position: relative; z-index: 2;
  background: var(--surface);
  border-left: 1px solid var(--border);
}
@media (max-width: 899px) {
  .auth-form-panel { max-width: 100%; padding: 44px 24px 32px; justify-content: center; border-left: none; }
}

/* Mobile branding */
.auth-mobile-brand { display: flex; align-items: center; gap: 11px; margin-bottom: 40px; }
.auth-mobile-brand img { width: 34px; height: 34px; border-radius: 10px; object-fit: contain;  }
.auth-mobile-brand span { font-family: var(--font-brand); font-size: 1.4rem; font-weight: 700; color: var(--text-1); letter-spacing: -0.03em; }
.auth-mobile-brand em { font-style: normal; color: var(--accent); text-shadow: 0 0 14px var(--accent-glow); }
@media (min-width: 900px) { .auth-mobile-brand { display: none; } }

/* Sheet header */
.auth-sheet-header { margin-bottom: 34px; }
.auth-sheet-title {
  font-family: var(--font-brand); font-size: 1.7rem;
  font-weight: 700; color: var(--text-1); letter-spacing: -0.03em; margin-bottom: 6px;
}
.auth-sheet-sub { font-size: .875rem; color: var(--text-3); font-family: var(--font-mono); }

/* Panel animation */
.auth-panel { animation: panelIn .26s var(--ease); }
@keyframes panelIn { from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:none;} }

/* OAuth buttons */
.auth-oauth-first { display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.oauth-btn {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: 12px 18px; background: var(--surface-2);
  border: 1px solid var(--border-2); border-radius: var(--r-lg);
  font-size: .875rem; font-weight: 600; color: var(--text-1); width: 100%;
  transition: border-color var(--dur-fast), background var(--dur-fast),
              transform .2s var(--ease-spring), box-shadow .2s var(--ease);
}
.oauth-btn:hover {
  border-color: var(--accent); background: var(--accent-soft);
  transform: translateY(-2px); box-shadow: 0 4px 16px rgba(0,0,0,.3), 0 0 0 1px var(--border-2);
}
.oauth-btn:active { transform: scale(.97) translateY(0); }
.oauth-btn-full { width: 100%; }

/* Divider */
.auth-divider {
  display: flex; align-items: center; gap: 14px;
  margin: 4px 0 20px; color: var(--text-4); font-size: .78rem;
  font-family: var(--font-mono);
}
.auth-divider::before, .auth-divider::after {
  content: ''; flex: 1; height: 1px; background: var(--border);
}

/* Form fields */
.auth-fields { display: flex; flex-direction: column; gap: 14px; margin-bottom: 20px; }
.auth-field-wrap { display: flex; flex-direction: column; gap: 6px; }
.auth-label {
  font-size: .8rem; font-weight: 600; color: var(--text-3);
  display: flex; align-items: center; justify-content: space-between;
  letter-spacing: .02em; text-transform: uppercase;
  font-family: var(--font-mono);
}
.auth-label-link { font-size: .8rem; font-weight: 500; color: var(--accent); text-transform: none; letter-spacing: 0; }
.auth-field {
  width: 100%; padding: 12px 15px;
  background: var(--surface-3);
  border: 1px solid var(--border-2);
  border-radius: var(--r-lg);
  font-size: .92rem; color: var(--text-1);
  outline: none;
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.auth-field::placeholder { color: var(--text-4); }
.auth-field:focus {
  border-color: var(--accent);
  background: var(--surface-2);
  box-shadow: 0 0 0 4px var(--accent-soft), 0 0 0 1px var(--accent);
}

/* Messages */
.auth-msg {
  padding: 10px 14px; border-radius: var(--r-lg);
  font-size: .84rem; line-height: 1.55;
  margin-bottom: 10px;
  border: 1px solid transparent;
}
.auth-msg[data-type="err"] { background: var(--red-bg); border-color: rgba(255,59,92,.25); color: var(--red); }
.auth-msg[data-type="ok"]  { background: var(--green-bg); border-color: rgba(0,255,163,.2); color: var(--green-text); }

/* Auth button */
.auth-btn {
  width: 100%; padding: 13px;
  background: var(--grad-accent);
  color: var(--bg); font-weight: 800;
  font-family: var(--font-brand); font-size: 1rem; letter-spacing: .01em;
  border-radius: var(--r-xl); border: none; cursor: pointer;
  position: relative; overflow: hidden;
  box-shadow: 0 0 0 1px var(--border-2), 0 4px 20px var(--accent-glow);
  transition: transform .2s var(--ease-spring), box-shadow .2s var(--ease), opacity .2s;
}
.auth-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 0 1px var(--border-3), 0 8px 30px var(--accent-glow);
}
.auth-btn:active { transform: scale(.97); }
.auth-btn::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.12) 0%, transparent 60%);
  pointer-events: none;
}
.auth-btn span { position: relative; z-index: 1; }

/* Switch link */
.auth-switch { font-size: .85rem; color: var(--text-4); text-align: center; margin-top: 20px; }
.switch-link { color: var(--accent); font-weight: 600; }
.auth-legal { font-size: .75rem; color: var(--text-3); text-align: center; margin-top: 28px; line-height: 1.6; }
.auth-legal a { color: var(--text-2); text-decoration: underline; }
.auth-field-hint { font-size: .72rem; color: var(--text-3); margin-top: 4px; line-height: 1.5; }
.auth-field-hint a { color: var(--accent-dim); text-decoration: underline; }

/* ══════════════════════════════════════════════════════════
   CHAT VIEW LAYOUT
══════════════════════════════════════════════════════════ */
.chat-view {
  display: flex;
  background: var(--bg);
}

/* ══════════════════════════════════════════════════════════
   SIDEBAR
══════════════════════════════════════════════════════════ */
.sidebar {
  width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  flex-shrink: 0; overflow: hidden;
  position: relative; z-index: 50;
  transition: width var(--dur-slow) var(--ease-in-out),
              transform var(--dur-slow) var(--ease-in-out),
              box-shadow var(--dur-slow) var(--ease);
}
.sidebar.collapsed { width: 0; }

/* sidebar gradient line removed — the border provides sufficient separation */

.sb-top { padding: 12px 10px 8px; border-bottom: 1px solid var(--border); flex-shrink: 0; }
.sb-logo-row { display: flex; align-items: center; gap: 9px; padding: 2px 4px 10px; }
.sb-collapse-btn {
  margin-left: auto; flex-shrink: 0; width: 30px; height: 30px;
  border-radius: var(--r); display: flex; align-items: center; justify-content: center;
  color: var(--text-4); background: transparent; border: none; cursor: pointer;
  transition: background var(--dur-fast), color var(--dur-fast);
}
.sb-collapse-btn:hover { background: var(--surface-3); color: var(--text-1); }
@media(min-width:701px) { .sb-collapse-btn { display: none; } }
.sb-emblem {
  width: 26px; height: 26px; object-fit: contain; flex-shrink: 0;
}
.sb-brand {
  font-family: var(--font-brand); font-size: 1.1rem; font-weight: 700;
  color: var(--text-1); white-space: nowrap; letter-spacing: -0.02em;
}
.sb-brand em { font-style: normal; color: var(--accent); }

.sb-new-btn {
  width: 100%; display: flex; align-items: center; gap: 8px;
  padding: 10px 14px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: .86rem; font-weight: 700; white-space: nowrap;
  border-radius: var(--r-lg); border: 1px solid var(--border-2);
  font-family: var(--font-brand); letter-spacing: .01em;
  position: relative; overflow: hidden;
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease),
              transform .2s var(--ease-spring), box-shadow .2s var(--ease);
}
.sb-new-btn::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(0,229,255,0.06), transparent);
  transform: translateX(-100%);
  transition: transform .6s var(--ease);
}
.sb-new-btn:hover::before { transform: translateX(100%); }
.sb-new-btn:hover { background: var(--accent-mid); border-color: var(--border-3); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(0,0,0,.3); }
.sb-new-btn:active { transform: scale(.97); box-shadow: none; }

.sb-section {
  padding: 14px 16px 6px; font-size: .68rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .12em; color: var(--text-4); white-space: nowrap;
  font-family: var(--font-mono);
}
.sb-list { flex: 1; overflow-y: auto; overflow-x: hidden; padding: 4px 8px; scroll-behavior: smooth; }
.sb-empty { padding: 32px 14px; font-size: .82rem; color: var(--text-4); text-align: center; line-height: 1.7; }

.chat-item {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 9px; border-radius: var(--r-lg);
  cursor: pointer; position: relative; overflow: hidden; white-space: nowrap;
  transition: background var(--dur-fast) var(--ease), transform .18s var(--ease-spring);
}
.chat-item:hover { background: var(--surface-2); }
.chat-item:active { transform: scale(.98); }
.chat-item.active {
  background: var(--accent-soft);
  box-shadow: inset 2px 0 0 var(--accent);
}
.chat-item.active .ci-label { color: var(--accent); font-weight: 600; }
.ci-icon { color: var(--text-4); flex-shrink: 0; display: flex; align-items: center; }
.chat-item.active .ci-icon { color: var(--accent); }
.ci-label { flex: 1; font-size: .82rem; color: var(--text-2); overflow: hidden; text-overflow: ellipsis; }
.ci-del {
  opacity: 0; flex-shrink: 0; width: 22px; height: 22px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--r-sm); color: var(--text-4);
  transition: opacity var(--dur-fast), background var(--dur-fast), color var(--dur-fast);
}
.chat-item:hover .ci-del { opacity: 1; }
.ci-del:hover { background: var(--red-bg); color: var(--red); }

/* Sidebar bottom */
.sb-bottom { padding: 8px 6px; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 1px; flex-shrink: 0; }
.sb-nav-btn {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 10px; border-radius: var(--r-lg);
  font-size: .83rem; color: var(--text-3); width: 100%; white-space: nowrap;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease),
              transform .18s var(--ease-spring);
}
.sb-nav-btn:hover { background: var(--surface-2); color: var(--text-1); }
.sb-nav-btn:active { transform: scale(.97); }
.sb-user-btn {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px;
  border-radius: var(--r-lg); cursor: pointer; width: 100%; margin-top: 2px; white-space: nowrap;
  border: 1px solid transparent;
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast), transform .18s var(--ease-spring);
}
.sb-user-btn:hover { background: var(--surface-2); border-color: var(--border); }
.sb-user-btn:active { transform: scale(.97); }
.sb-user-btn svg { color: var(--text-4); margin-left: auto; flex-shrink: 0; }

.user-avatar {
  width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0;
  background: var(--grad-accent); color: var(--text-inv);
  font-size: .7rem; font-weight: 800; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-brand);
}
.user-name { font-size: .85rem; font-weight: 600; color: var(--text-2); overflow: hidden; text-overflow: ellipsis; flex: 1; min-width: 0; }

/* User menu popover */
.user-menu {
  position: fixed; bottom: 74px; left: 10px; width: 220px;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--r-xl); box-shadow: var(--sh-xl);
  padding: 6px; z-index: 200;
  backdrop-filter: var(--glass-blur);
  animation: popIn .22s var(--ease-spring);
}
@keyframes popIn { from{opacity:0;transform:scale(.88) translateY(10px);}to{opacity:1;transform:none;} }
.um-item {
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 9px 12px; font-size: .86rem; color: var(--text-2);
  border-radius: var(--r-lg);
  transition: background var(--dur-fast), transform .15s var(--ease-spring);
}
.um-item:hover { background: var(--surface-2); transform: translateX(2px); }
.um-item:active { transform: scale(.97); }
.um-danger { color: var(--red); }
.um-danger:hover { background: var(--red-bg); transform: none; }
.um-divider { height: 1px; background: var(--border); margin: 4px 0; }

/* ─── Chat main ───────────────────────────────────────────── */
.chat-main { flex: 1; display: flex; flex-direction: column; min-width: 0; overflow: hidden; }

/* Topbar — liquid glass */
.topbar {
  height: var(--topbar-h); display: flex; align-items: center; justify-content: space-between;
  padding: 0 16px;
  background: rgba(9,13,26,0.88);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0; position: relative; z-index: 10; gap: 12px;
  transition: background var(--dur), border-color var(--dur);
}
/* topbar gradient underline removed — flat border provides enough separation */
.topbar-left { display: flex; align-items: center; gap: 10px; min-width: 0; flex: 1; }
.topbar-right { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.chat-title { font-size: .9rem; font-weight: 600; color: var(--text-1); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 240px; font-family: var(--font-brand); letter-spacing: -0.01em; }
.topbar-icon {
  width: 36px; height: 36px; display: flex; align-items: center; justify-content: center;
  border-radius: var(--r-lg); color: var(--text-3); flex-shrink: 0; position: relative; overflow: hidden;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease),
              transform .18s var(--ease-spring);
}
.topbar-icon:hover { background: var(--surface-3); color: var(--accent); }
.topbar-icon:active { transform: scale(.88); }

/* RAG pill */
.rag-pill {
  display: flex; align-items: center; gap: 5px; padding: 4px 11px;
  background: var(--accent-soft); color: var(--accent);
  border: 1px solid var(--border-2); border-radius: var(--r-full);
  font-size: .73rem; font-weight: 700; white-space: nowrap;
  font-family: var(--font-mono); letter-spacing: .04em;
  animation: pillIn .22s var(--ease-spring);
}
@keyframes pillIn { from{opacity:0;transform:scale(.8);}to{opacity:1;transform:none;} }

/* Model picker */
.model-picker { position: relative; }
.model-pill {
  display: flex; align-items: center; gap: 7px;
  padding: 6px 14px; background: var(--surface-2);
  border: 1px solid var(--border-2); border-radius: var(--r-full);
  font-size: .81rem; font-weight: 600; color: var(--text-2); white-space: nowrap;
  font-family: var(--font-mono); letter-spacing: .02em;
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease),
              transform .2s var(--ease-spring), box-shadow .2s var(--ease);
}
.model-pill:hover { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,.3); }
.model-pill:active { transform: scale(.96); }
.model-dropdown {
  position: absolute; top: calc(100% + 10px); right: 0; min-width: 280px;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--r-xl); box-shadow: var(--sh-xl); padding: 6px; z-index: 200;
  backdrop-filter: var(--glass-blur);
  animation: dropIn .22s var(--ease);
}
@keyframes dropIn { from{opacity:0;transform:translateY(-10px) scale(.97);}to{opacity:1;transform:none;} }
.md-option { padding: 11px 14px; border-radius: var(--r-lg); cursor: pointer; display: flex; flex-direction: column; gap: 2px; transition: background var(--dur-fast), transform .15s var(--ease-spring); }
.md-option:hover { background: var(--surface-2); transform: translateX(2px); }
.md-option:active { transform: scale(.98); }
.md-option.active { background: var(--accent-soft); box-shadow: inset 2px 0 0 var(--accent); }
.md-name { display: flex; align-items: center; gap: 8px; font-size: .87rem; font-weight: 700; color: var(--text-1); font-family: var(--font-brand); }
.md-tag { font-size: .62rem; font-weight: 800; padding: 1px 7px; border-radius: var(--r-full); background: var(--accent-mid); color: var(--accent); letter-spacing: .06em; font-family: var(--font-mono); }
.md-tag.POWER { background: rgba(124,58,237,.18); color: var(--violet); }
.md-tag.SAFE  { background: var(--green-bg); color: var(--green-text); }
.md-desc { font-size: .78rem; color: var(--text-4); }

/* ─── Messages area ───────────────────────────────────────── */
.chat-scroll {
  flex: 1; overflow-y: auto; overflow-x: hidden; min-height: 0;
  position: relative; z-index: 0;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--border-2) transparent;
}
.messages { max-width: var(--msg-max); width: 100%; margin: 0 auto; padding: 28px 16px 8px; display: flex; flex-direction: column; gap: 2px; }

/* ══════════════════════════════════════════════════════════
   WELCOME SCREEN
══════════════════════════════════════════════════════════ */
.welcome { display: flex; flex-direction: column; align-items: center; padding: 40px 0 28px; position: relative; width: 100%; }
.welcome > * { opacity: 0; animation: welcomeStagger .50s var(--ease-spring) forwards; }
.welcome-glow  { animation-delay: .00s !important; }
.welcome-logo  { animation-delay: .05s !important; }
.welcome-heading { animation-delay: .12s !important; }
.welcome-sub   { animation-delay: .20s !important; }
.welcome-cards { animation-delay: .28s !important; }
@keyframes welcomeStagger {
  from { opacity:0; transform: translateY(18px); }
  to   { opacity:1; transform: none; }
}
/* Glow is now a static element — no breathing animation, less visual noise */
.welcome-glow {
  position: absolute; top: -60px; left: 50%; transform: translateX(-50%);
  width: 500px; height: 360px; pointer-events: none; z-index: 0;
  background: radial-gradient(ellipse, rgba(0,229,255,0.05) 0%, transparent 65%);
  opacity: 1 !important;
}
.welcome-logo { position: relative; z-index: 1; margin-bottom: 18px; }
.welcome-emblem {
  width: 60px; height: 60px; object-fit: contain; border-radius: 18px;
  filter: drop-shadow(0 0 16px var(--accent-glow));
  /* No floating animation — reduces motion sickness and visual noise */
  opacity: 1 !important;
}
.welcome-heading {
  font-family: var(--font-brand);
  font-size: 1.9rem; font-weight: 700; text-align: center;
  letter-spacing: -0.04em; line-height: 1.2;
  margin-bottom: 8px; position: relative; z-index: 1;
  background: var(--grad-accent);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
@supports not (background-clip:text) { .welcome-heading { color: var(--accent); background: none; -webkit-text-fill-color: initial; } }
.welcome-sub {
  font-size: .88rem; color: var(--text-3); text-align: center; margin-bottom: 20px;
  position: relative; z-index: 1; max-width: 360px; line-height: 1.6;
  font-family: var(--font-mono);
}
.welcome-sub::before { content: ''; display: inline; }

/* Capability badge strip */
.welcome-caps {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 6px;
  margin-bottom: 20px; position: relative; z-index: 1; max-width: 560px;
}
.welcome-cap-badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: .72rem; font-weight: 500; color: var(--text-2);
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 20px; padding: 3px 10px;
  white-space: nowrap; letter-spacing: .01em;
}
.welcome-cap-badge svg { opacity: .75; flex-shrink: 0; }

/* Recent chat chips */
.cx-recent-chats {
  width: 100%; max-width: 560px; margin-bottom: 20px;
  position: relative; z-index: 1;
}
.cx-recent-label {
  font-size: .72rem; font-weight: 600; letter-spacing: .06em;
  text-transform: uppercase; color: var(--text-4); margin-bottom: 8px;
  text-align: center;
}
.cx-recent-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; }
.cx-recent-chip {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: .78rem; font-weight: 500; color: var(--text-2);
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 20px; padding: 5px 12px; cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
  max-width: 200px;
}
.cx-recent-chip span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cx-recent-chip:hover { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.cx-recent-chip:active { transform: scale(.95); }

.welcome-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; width: 100%; max-width: 540px; position: relative; z-index: 1; }
.welcome-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl); padding: 14px 16px;
  text-align: left; cursor: pointer; display: flex; flex-direction: column; gap: 6px;
  position: relative; overflow: hidden;
  transition: border-color .2s var(--ease), background .2s var(--ease),
              transform .2s var(--ease-spring);
  will-change: transform;
}
/* Subtle mouse-tracked radial on hover only — no permanent glows */
.welcome-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at var(--mx,50%) var(--my,50%), var(--accent-soft), transparent 70%);
  opacity: 0; transition: opacity .25s;
}
.welcome-card:hover::before { opacity: 1; }
.welcome-card:hover {
  border-color: var(--border-2);
  transform: translateY(-3px);
}
.welcome-card:active { transform: scale(.97); }
.wc-icon { font-size: 1.1rem; line-height: 1; display: flex; align-items: center; color: var(--accent); }
.wc-title { font-size: .85rem; font-weight: 700; color: var(--text-1); line-height: 1.3; font-family: var(--font-brand); }
.wc-sub   { font-size: .75rem; color: var(--text-4); line-height: 1.4; }

/* ══════════════════════════════════════════════════════════
   MESSAGES
══════════════════════════════════════════════════════════ */
.msg-row {
  display: flex; align-items: flex-end; gap: 8px; padding: 3px 0;
  animation: msgIn .38s var(--ease-spring);
}
@keyframes msgIn {
  from { opacity:0; transform: translateY(12px) scale(.99); }
  to   { opacity:1; transform: translateY(0) scale(1); }
}
/* Stagger consecutive AI messages for a more natural feel */
.msg-row:not(.user):nth-child(even) { animation-delay: .04s; }
.msg-row:not(.user):nth-child(odd)  { animation-delay: .02s; }
.msg-row.user { flex-direction: row-reverse; }
.ai-avatar {
  width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0; margin-bottom: 2px;
  background: var(--surface-3);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
}
.ai-avatar img { width: 16px; height: 16px; object-fit: contain; }
.msg-row.no-avatar .ai-avatar { visibility: hidden; }
.msg-content { max-width: 80%; display: flex; flex-direction: column; gap: 3px; }
.msg-name { font-size: .73rem; color: var(--text-4); padding-left: 4px; margin-bottom: 1px; font-family: var(--font-mono); }
.msg-name strong { font-weight: 700; color: var(--text-3); }

/* User bubble */
.msg-row.user .msg-bubble {
  background: var(--grad-accent);
  color: var(--bg);
  border-radius: 20px 20px 4px 20px;
  padding: 11px 16px;
  font-size: .94rem; line-height: 1.65;
  white-space: pre-wrap; word-break: break-word;
  box-shadow: 0 2px 8px rgba(0,0,0,.25);
  border: none; font-weight: 500;
}

/* AI bubble */
.msg-row:not(.user) .msg-bubble {
  background: transparent; border: none; border-radius: 0; box-shadow: none;
  padding: 4px 0 4px 12px;
  font-size: .94rem; line-height: 1.82; word-break: break-word; color: var(--text-1);
  border-left: 2px solid var(--border);
  transition: border-color .3s var(--ease);
  position: relative;
}
/* Streaming state — pulse the accent border while tokens arrive */
.msg-row:not(.user) .msg-bubble.streaming {
  border-left-color: var(--accent);
  animation: streamPulse 1.6s ease-in-out infinite;
}
@keyframes streamPulse {
  0%, 100% { border-left-color: var(--accent-mid); }
  50%       { border-left-color: var(--accent); }
}
/* Remove pulse once done */
.msg-row:not(.user) .msg-bubble:not(.streaming) {
  border-left-color: var(--border);
  animation: none;
}

.msg-ts { font-size: .7rem; color: var(--text-4); padding: 0 4px; opacity: .7; font-family: var(--font-mono); }
.msg-row.user .msg-ts { text-align: right; }

.msg-actions {
  display: flex; gap: 1px; flex-wrap: wrap; padding: 4px 2px 2px;
  opacity: 0; transform: translateY(6px);
  transition: opacity .22s var(--ease), transform .22s var(--ease-spring);
}
.msg-row:hover .msg-actions { opacity: 1; transform: none; }
.msg-action-btn {
  display: flex; align-items: center; gap: 5px; padding: 5px 10px;
  border-radius: var(--r-full); font-size: .75rem; font-weight: 600;
  color: var(--text-4); background: var(--surface-2); border: 1px solid var(--border);
  transition: background var(--dur-fast), color var(--dur-fast), border-color var(--dur-fast), transform .15s var(--ease-spring);
  font-family: var(--font-mono); letter-spacing: .02em;
}
.msg-action-btn:hover { background: var(--accent-soft); color: var(--accent); border-color: var(--border-2); transform: translateY(-1px); }
.msg-action-btn:active { transform: scale(.94); }

/* ─── Code blocks ──────────────────────────────────────── */
.code-block {
  border-radius: var(--r-xl); overflow: hidden;
  border: 1px solid var(--border-2);
  margin: 10px 0;
  box-shadow: 0 4px 20px rgba(0,0,0,.4);
}
.code-block-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 9px 16px; background: var(--surface-3);
  border-bottom: 1px solid var(--border);
}
.code-block-lang {
  font-size: .72rem; font-weight: 700; color: var(--accent);
  text-transform: uppercase; letter-spacing: .12em;
  font-family: var(--font-mono);
}
.code-block-copy {
  font-size: .75rem; font-weight: 600; color: var(--text-4); padding: 3px 11px;
  border-radius: var(--r-full); border: 1px solid var(--border); background: transparent;
  font-family: var(--font-mono);
  transition: color var(--dur-fast), border-color var(--dur-fast), background var(--dur-fast);
}
.code-block-copy:hover { color: var(--accent); border-color: var(--border-2); background: var(--accent-soft); }
.code-block pre { background: var(--surface-2); margin: 0; padding: 18px; overflow-x: auto; }
.code-block code { font-family: var(--font-mono); font-size: .86rem; line-height: 1.7; }
.msg-bubble code {
  font-family: var(--font-mono); font-size: .84em;
  background: var(--surface-3); color: var(--accent);
  padding: 2px 7px; border-radius: var(--r-sm);
  border: 1px solid var(--border);
}
.msg-bubble pre { margin: 0; }

/* RAG sources */
.rag-sources { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--border); }
.rag-sources-label { font-size: .72rem; color: var(--text-4); font-weight: 700; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 8px; font-family: var(--font-mono); }
.rag-source-item { display: flex; align-items: flex-start; gap: 7px; padding: 6px 10px; border-radius: var(--r); font-size: .8rem; color: var(--text-3); transition: background var(--dur-fast), transform .15s var(--ease-spring); }
.rag-source-item:hover { background: var(--surface-2); color: var(--accent); text-decoration: none; transform: translateX(4px); }
.rag-source-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); flex-shrink: 0; margin-top: 7px; }

/* Edit area */
.edit-area { display: flex; flex-direction: column; gap: 8px; }
.edit-textarea { width: 100%; padding: 12px 15px; background: var(--surface-2); border: 1px solid var(--accent); border-radius: var(--r-lg); font-size: .9rem; color: var(--text-1); resize: none; min-height: 64px; outline: none; box-shadow: 0 0 0 4px var(--accent-soft); line-height: 1.65; }
.edit-actions { display: flex; gap: 8px; justify-content: flex-end; }
.edit-cancel-btn { padding: 7px 15px; font-size: .83rem; border-radius: var(--r-full); color: var(--text-3); border: 1px solid var(--border-2); transition: background var(--dur-fast), transform .18s var(--ease-spring); }
.edit-cancel-btn:hover { background: var(--surface-2); }
.edit-cancel-btn:active { transform: scale(.95); }
.edit-send-btn { padding: 7px 15px; font-size: .83rem; font-weight: 700; border-radius: var(--r-full); background: var(--grad-accent); color: var(--bg); transition: opacity var(--dur-fast), transform .18s var(--ease-spring), box-shadow .18s var(--ease); font-family: var(--font-brand); }
.edit-send-btn:hover { transform: translateY(-1px); }
.edit-send-btn:active { transform: scale(.95); box-shadow: none; }

/* ══════════════════════════════════════════════════════════
   THINKING ANIMATION
══════════════════════════════════════════════════════════ */
.thinking-row { display: flex; align-items: center; gap: 12px; padding: 8px 16px; max-width: var(--msg-max); margin: 0 auto; width: 100%; position: relative; z-index: 1; }
.cx-thinking { position: relative; width: 50px; height: 50px; flex-shrink: 0; }
.cx-think-emblem { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; z-index: 2; pointer-events: none; }
.cx-think-emblem img { width: 22px; height: 22px; object-fit: contain; animation: thinkPulse 2s ease-in-out infinite; }
@keyframes thinkPulse { 0%,100%{transform:scale(1);}50%{transform:scale(1.14);} }
.cx-think-ring { position: absolute; inset: 0; border-radius: 50%; border: 1px solid var(--border-2); animation: ringPulse 2.2s ease-out infinite; pointer-events: none; }
.cx-ring-1 { animation-delay: 0s; border-color: var(--accent-mid); } .cx-ring-2 { animation-delay: .8s; }
@keyframes ringPulse { 0%{transform:scale(.65);opacity:0;}35%{opacity:1;}100%{transform:scale(1.6);opacity:0;} }
.cx-orbit-wrap { position: absolute; inset: 0; pointer-events: none; }
.cx-orbit { position: absolute; inset: 0; pointer-events: none; }
.cx-orbit-a { animation: orbitA 2.2s linear infinite; }
.cx-orbit-b { animation: orbitB 3.1s linear infinite; }
.cx-orbit-c { animation: orbitC 3.9s linear infinite; }
@keyframes orbitA { from{transform:rotate(0deg);}to{transform:rotate(360deg);} }
@keyframes orbitB { from{transform:rotate(120deg);}to{transform:rotate(480deg);} }
@keyframes orbitC { from{transform:rotate(240deg);}to{transform:rotate(600deg);} }
.cx-orb { position: absolute; top: 2px; left: 50%; transform: translateX(-50%); width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
.thinking-label { display: flex; align-items: center; gap: 5px; font-size: .82rem; color: var(--text-4); font-weight: 500; font-family: var(--font-mono); }
#thinking-text { transition: opacity .18s var(--ease), transform .18s var(--ease-spring); }
.thinking-dots { display: flex; gap: 4px; margin-left: 3px; }
.thinking-dots span { width: 4px; height: 4px; border-radius: 50%; background: var(--accent); animation: thinkDot 1.3s ease-in-out infinite; }
.thinking-dots span:nth-child(2) { animation-delay: .22s; }
.thinking-dots span:nth-child(3) { animation-delay: .44s; }
@keyframes thinkDot { 0%,60%,100%{transform:scale(.45);opacity:.35;}30%{transform:scale(1.1);opacity:1;} }

/* ══════════════════════════════════════════════════════════
   COMPOSER — neon glass floating bar
══════════════════════════════════════════════════════════ */
.composer-area {
  padding: 10px 14px calc(14px + env(safe-area-inset-bottom,0px));
  background: var(--bg); flex-shrink: 0; position: relative; z-index: 2;
}
.composer-area::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-2) 20%, var(--border-2) 80%, transparent);
  pointer-events: none;
}
.composer-box {
  max-width: var(--msg-max); margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--r-2xl);
  box-shadow: 0 2px 20px rgba(0,0,0,.5), 0 0 0 1px var(--border);
  display: flex; flex-direction: column; overflow: hidden;
  position: relative; z-index: 3;
  transition: border-color .28s var(--ease), box-shadow .28s var(--ease),
              transform .22s var(--ease-spring), background .25s var(--ease);
  will-change: transform;
}
.composer-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 4px 24px rgba(0,0,0,.4), 0 0 0 1px var(--accent);
  transform: translateY(-1px);
}
.composer-tools { display: flex; align-items: center; gap: 2px; padding: 9px 12px 0; }
.tool-btn {
  width: 32px; height: 32px; display: flex; align-items: center; justify-content: center;
  border-radius: var(--r-lg); color: var(--text-4);
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease),
              transform .18s var(--ease-spring);
}
.tool-btn:hover { background: var(--surface-3); color: var(--accent); }
.tool-btn:active { transform: scale(.84); }
.tool-btn.active { color: var(--accent); background: var(--accent-soft); box-shadow: inset 0 0 0 1px var(--border-2); }

.composer-input {
  width: 100%; padding: 10px 16px 8px; background: transparent; border: none; outline: none;
  font-size: .94rem; color: var(--text-1); resize: none;
  min-height: 44px; max-height: 160px; line-height: 1.7;
  transition: none;
  font-family: var(--font);
}
.composer-input::placeholder { color: var(--text-4); }

/* Footer row */
.cx-footer-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 10px 10px; gap: 8px;
}
.cx-footer-left { display: flex; align-items: center; gap: 4px; }
.cx-footer-right { display: flex; align-items: center; gap: 7px; }

.mic-btn {
  width: 34px; height: 34px; display: flex; align-items: center; justify-content: center;
  border-radius: 50%; color: var(--text-4);
  transition: background var(--dur-fast), color var(--dur-fast), transform .18s var(--ease-spring);
}
.mic-btn:hover { background: var(--surface-3); color: var(--accent); }
.mic-btn:active { transform: scale(.88); }
.mic-btn.mic-recording { background: var(--red-bg); color: var(--red); animation: micPulse 1s ease-in-out infinite; }
.mic-btn.mic-transcribing { background: var(--accent-soft); color: var(--accent); }
@keyframes micPulse { 0%,100%{box-shadow:0 0 0 0 rgba(255,59,92,.4);}50%{box-shadow:0 0 0 8px rgba(255,59,92,.0);} }

.send-btn {
  width: 38px; height: 38px; display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--grad-accent);
  color: var(--bg);
  position: relative; overflow: hidden;
  box-shadow: 0 2px 12px var(--accent-glow);
  transition: transform .2s var(--ease-spring), box-shadow .2s var(--ease);
  will-change: transform;
}
.send-btn::after {
  content: ''; position: absolute; inset: 0; border-radius: 50%;
  background: linear-gradient(135deg, rgba(255,255,255,0.25), transparent);
  pointer-events: none;
}
/* Pulse only when composer focused with text — glow reserved for primary CTA */
.composer-box:focus-within .send-btn:not(.stop) {
  box-shadow: 0 4px 18px var(--accent-glow);
}
@keyframes sendReady {
  0%, 100% { box-shadow: 0 4px 18px var(--accent-glow); }
  50%       { box-shadow: 0 6px 26px var(--accent-glow); }
}
.send-btn:hover { transform: scale(1.14) rotate(8deg); box-shadow: 0 8px 28px var(--accent-glow); }
.send-btn:active { transform: scale(.88); box-shadow: none; }
.send-btn.stop { background: var(--red); box-shadow: 0 2px 12px var(--rose-glow); animation: stopPulse 1.4s ease-in-out infinite; }
@keyframes stopPulse { 0%,100%{box-shadow:0 0 0 0 rgba(255,59,92,.45);}50%{box-shadow:0 0 0 8px rgba(255,59,92,.0);} }
.send-btn.stop:hover { background: #e8002a; animation: none; }

/* cx-send-v2 */
.cx-send-v2 {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--grad-accent); color: var(--bg);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 12px var(--accent-glow);
}

.composer-counter { font-size: .71rem; color: var(--text-4); padding-right: 2px; transition: color .2s; font-family: var(--font-mono); }
.composer-hint {
  text-align: center; font-size: .71rem; color: var(--text-4);
  padding-top: 8px; max-width: var(--msg-max); margin: 0 auto; opacity: .7;
  font-family: var(--font-mono); letter-spacing: .02em;
}

/* Echo mode bar */
#echo-mode-bar { display: none; align-items: center; gap: 8px; padding: 6px 14px; background: var(--surface-2); border: 1px solid var(--border-2); border-radius: var(--r-lg); margin-top: 6px; }

/* ══════════════════════════════════════════════════════════
   MODALS
══════════════════════════════════════════════════════════ */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(5,8,16,.70);
  backdrop-filter: blur(12px) saturate(150%);
  -webkit-backdrop-filter: blur(12px) saturate(150%);
  display: flex; align-items: center; justify-content: center;
  z-index: 500; padding: 20px;
  animation: modalFadeIn .2s var(--ease);
}
@keyframes modalFadeIn { from{opacity:0;}to{opacity:1;} }
.modal-sheet {
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--r-2xl);
  box-shadow: var(--sh-xl), 0 0 0 1px var(--border), 0 0 60px rgba(0,229,255,0.04);
  width: 100%; max-width: 480px; max-height: 88vh;
  display: flex; flex-direction: column; overflow: hidden;
  animation: sheetIn .32s var(--ease-spring);
}
@keyframes sheetIn { from{opacity:0;transform:translateY(24px) scale(.97);}to{opacity:1;transform:none;} }
.modal-drag-handle { width: 36px; height: 3px; background: var(--border-2); border-radius: var(--r-full); margin: 14px auto 0; flex-shrink: 0; }
.modal-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px 13px; border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.modal-title { font-size: .96rem; font-weight: 700; color: var(--text-1); font-family: var(--font-brand); letter-spacing: -0.01em; }
.modal-close {
  width: 30px; height: 30px; display: flex; align-items: center; justify-content: center;
  border-radius: var(--r-lg); color: var(--text-4);
  transition: background var(--dur-fast), transform .18s var(--ease-spring), color var(--dur-fast);
}
.modal-close:hover { background: var(--surface-3); color: var(--accent); }
.modal-close:active { transform: scale(.88); }
.modal-body { padding: 16px 20px 24px; overflow-y: auto; flex: 1; }
.modal-sep { height: 1px; background: var(--border); margin: 14px 0; }
.modal-back-btn { width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; border-radius: var(--r-lg); color: var(--text-3); transition: background var(--dur-fast), color var(--dur-fast); }
.modal-back-btn:hover { background: var(--surface-3); color: var(--accent); }

/* Settings */
.setting-section { font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; color: var(--text-4); margin-bottom: 10px; font-family: var(--font-mono); }
.setting-row { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.setting-row:last-of-type { border-bottom: none; }
.setting-row.col { flex-direction: column; align-items: flex-start; }
.setting-info { display: flex; flex-direction: column; gap: 2px; }
.setting-label { font-size: .88rem; font-weight: 600; color: var(--text-1); }
.setting-desc { font-size: .79rem; color: var(--text-4); }
.setting-select {
  padding: 7px 11px; background: var(--surface-3); border: 1px solid var(--border-2);
  border-radius: var(--r-lg); font-size: .84rem; color: var(--text-1); outline: none;
  min-width: 120px; cursor: pointer;
  transition: border-color var(--dur-fast), box-shadow var(--dur);
}
.setting-select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.setting-input {
  width: 100%; padding: 10px 14px; background: var(--surface-3);
  border: 1px solid var(--border-2); border-radius: var(--r-lg);
  font-size: .88rem; color: var(--text-1); outline: none;
  transition: border-color var(--dur-fast), box-shadow var(--dur);
}
.setting-input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.setting-link-btn { font-size: .83rem; color: var(--red); font-weight: 600; padding: 4px 12px; border-radius: var(--r-sm); transition: background var(--dur-fast); }
.setting-link-btn:hover { background: var(--red-bg); }

/* Toggle */
.toggle { position: relative; display: inline-flex; cursor: pointer; flex-shrink: 0; }
.toggle input { position: absolute; opacity: 0; width: 0; height: 0; }
.track {
  width: 44px; height: 24px; background: var(--surface-4);
  border-radius: var(--r-full); border: 1px solid var(--border-2);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
  position: relative;
}
.track::after {
  content: ''; position: absolute; top: 3px; left: 3px;
  width: 16px; height: 16px; border-radius: 50%; background: var(--text-4);
  transition: transform var(--dur) var(--ease-spring), background var(--dur);
}
.toggle input:checked + .track { background: var(--accent); border-color: var(--accent); }
.toggle input:checked + .track::after { transform: translateX(20px); background: var(--bg); }

.personality-chips { display: flex; flex-wrap: wrap; gap: 6px; width: 100%; }
.p-chip {
  padding: 7px 14px; font-size: .82rem; font-weight: 600;
  border-radius: var(--r-full); border: 1px solid var(--border-2);
  background: var(--surface-2); color: var(--text-2); cursor: pointer;
  position: relative; overflow: hidden;
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease), transform .18s var(--ease-spring);
}
.p-chip:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); transform: translateY(-1px); }
.p-chip:active { transform: scale(.94); }
.p-chip.active { background: var(--accent); border-color: var(--accent); color: var(--bg); font-weight: 700; }

.danger-btn { display: flex; align-items: center; gap: 7px; width: 100%; padding: 11px 14px; font-size: .87rem; font-weight: 600; color: var(--red); border-radius: var(--r-lg); border: 1px solid transparent; transition: background var(--dur-fast), border-color var(--dur-fast), transform .18s var(--ease-spring); margin-top: 6px; }
.danger-btn:hover { background: var(--red-bg); border-color: rgba(255,59,92,.25); }
.danger-btn:active { transform: scale(.97); }

.help-row { display: flex; align-items: center; justify-content: space-between; padding: 10px 0; font-size: .87rem; color: var(--text-2); border-bottom: 1px solid var(--border); }
.help-row:last-child { border-bottom: none; }
kbd {
  display: inline-flex; align-items: center; padding: 3px 9px;
  background: var(--surface-3); border: 1px solid var(--border-2);
  border-radius: var(--r-sm); font-size: .73rem; font-weight: 700;
  color: var(--accent); white-space: nowrap; font-family: var(--font-mono);
  letter-spacing: .04em;
}

/* ══════════════════════════════════════════════════════════
   THINKING STATE WIDGET
══════════════════════════════════════════════════════════ */
.ai-thinking-float {
  position: absolute; bottom: 0; left: 0; right: 0;
  display: flex; align-items: center; justify-content: center; gap: 5px;
  pointer-events: none; padding: 6px 0 2px;
  opacity: 0; transition: opacity .3s var(--ease);
}
.ai-thinking-float.visible { opacity: 1; }
.ai-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); animation: aiDotPulse 1.4s ease-in-out infinite; }
.ai-dot:nth-child(1) { animation-delay: 0s; }
.ai-dot:nth-child(2) { animation-delay: .2s; }
.ai-dot:nth-child(3) { animation-delay: .4s; }
@keyframes aiDotPulse { 0%,100%{opacity:.2;transform:scale(.6);}50%{opacity:1;transform:scale(1.3);} }

/* Send button responding */
.send-btn.responding { background: var(--red); animation: respondPulse 1.5s ease-in-out infinite; }
@keyframes respondPulse { 0%,100%{box-shadow:0 0 0 0 rgba(255,59,92,.42);}50%{box-shadow:0 0 0 10px rgba(255,59,92,.0);} }

/* ══════════════════════════════════════════════════════════
   TOAST
══════════════════════════════════════════════════════════ */
.toast {
  position: fixed; bottom: calc(22px + env(safe-area-inset-bottom,0px));
  left: 50%; transform: translateX(-50%) translateY(0);
  background: var(--surface);
  border: 1px solid var(--border-2);
  color: var(--text-1);
  padding: 11px 24px; border-radius: var(--r-full);
  font-size: .84rem; font-weight: 600; z-index: 9000;
  box-shadow: var(--sh-xl), 0 0 20px rgba(0,0,0,.4);
  pointer-events: none; white-space: nowrap;
  display: none; animation: toastIn .28s var(--ease-spring);
  font-family: var(--font-brand);
}
.toast:not(.hidden) { display: block; }
@keyframes toastIn { from{opacity:0;transform:translateX(-50%) translateY(12px);}to{opacity:1;transform:translateX(-50%) translateY(0);} }

/* ══════════════════════════════════════════════════════════
   FEEDBACK PANEL
══════════════════════════════════════════════════════════ */
.fb-panel { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--r-xl); padding: 14px 16px; margin-top: 8px; animation: panelIn .22s var(--ease); }
.fb-label { font-size: .82rem; font-weight: 700; color: var(--text-2); margin-bottom: 10px; font-family: var(--font-brand); }
.fb-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.fb-tag { padding: 5px 12px; border-radius: var(--r-full); border: 1px solid var(--border-2); background: var(--surface-3); font-size: .78rem; font-weight: 600; color: var(--text-3); cursor: pointer; transition: all var(--dur-fast); font-family: var(--font-mono); }
.fb-tag:hover { border-color: var(--accent); color: var(--accent); }
.fb-tag:active { transform: scale(.95); }
.fb-tag.selected { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.fb-textarea { width: 100%; padding: 10px 14px; background: var(--surface-3); border: 1px solid var(--border-2); border-radius: var(--r-lg); font-size: .85rem; color: var(--text-1); resize: none; line-height: 1.6; transition: border-color var(--dur-fast), box-shadow var(--dur); margin-bottom: 10px; }
.fb-textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.fb-textarea::placeholder { color: var(--text-4); }
.fb-panel-actions { display: flex; justify-content: flex-end; }
.fb-submit-btn { padding: 8px 20px; background: var(--grad-accent); color: var(--bg); border-radius: var(--r-full); font-size: .83rem; font-weight: 700; font-family: var(--font-brand); transition: opacity var(--dur-fast), transform .18s var(--ease-spring), box-shadow .18s var(--ease); }
.fb-submit-btn:hover { transform: scale(1.04); }
.fb-submit-btn:active { transform: scale(.96); }
.fb-submit-btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.fb-thanks { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 18px; font-size: .9rem; font-weight: 700; color: var(--text-2); animation: fbPanelIn .3s var(--ease-spring); font-family: var(--font-brand); }
@keyframes fbPanelIn { from{opacity:0;transform:scale(.95);}to{opacity:1;transform:none;} }
.fb-thanks-icon { font-size: 1.5rem; }

/* ══════════════════════════════════════════════════════════
   UPGRADE MODAL
══════════════════════════════════════════════════════════ */
.upgrade-sheet { text-align: center; padding: 48px 36px 36px; max-width: 420px; }
.upgrade-icon { font-size: 3rem; margin-bottom: 20px; display: block; filter: drop-shadow(0 0 20px var(--accent-glow)); animation: iconBounce .7s var(--ease-spring) both; }
@keyframes iconBounce { from{transform:scale(0) rotate(-20deg);}to{transform:none;} }
.upgrade-title { font-size: 1.5rem; font-weight: 700; color: var(--text-1); margin-bottom: 10px; font-family: var(--font-brand); letter-spacing: -0.03em; }
.upgrade-desc { font-size: .9rem; color: var(--text-3); line-height: 1.65; margin-bottom: 28px; }
.upgrade-desc strong { color: var(--text-1); font-weight: 700; }
.upgrade-perks { display: flex; flex-direction: column; gap: 8px; margin-bottom: 32px; text-align: left; }
.upgrade-perk { display: flex; align-items: center; gap: 11px; padding: 11px 16px; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--r-xl); font-size: .87rem; color: var(--text-2); }
.upgrade-perk span { font-size: 1rem; flex-shrink: 0; }
.upgrade-actions { display: flex; flex-direction: column; gap: 8px; }
.upgrade-wait-btn { width: 100%; padding: 14px; background: var(--grad-accent); color: var(--bg); border-radius: var(--r-xl); font-weight: 800; font-size: .96rem; font-family: var(--font-brand); letter-spacing: .01em; box-shadow: 0 4px 20px var(--accent-glow); transition: transform .2s var(--ease-spring), box-shadow .2s var(--ease); }
.upgrade-wait-btn:hover { transform: scale(1.02) translateY(-2px); box-shadow: 0 8px 32px var(--accent-glow); }
.upgrade-close-btn { width: 100%; padding: 10px; color: var(--text-4); font-size: .85rem; border-radius: var(--r-xl); transition: color var(--dur-fast), background var(--dur-fast); }
.upgrade-close-btn:hover { background: var(--surface-2); color: var(--text-2); }

/* ══════════════════════════════════════════════════════════
   ATTACHMENTS
══════════════════════════════════════════════════════════ */
#attach-preview { padding: 8px 14px 0; }
.attach-chip { display: inline-flex; align-items: center; gap: 7px; padding: 5px 12px; background: var(--surface-2); border: 1px solid var(--border-2); border-radius: var(--r-full); font-size: .8rem; color: var(--text-2); max-width: 260px; }
.attach-chip-icon { color: var(--accent); flex-shrink: 0; }
.attach-chip-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.attach-chip-remove { display: flex; align-items: center; justify-content: center; width: 16px; height: 16px; border-radius: 50%; flex-shrink: 0; color: var(--text-4); transition: background var(--dur-fast), color var(--dur-fast); }
.attach-chip-remove:hover { background: var(--red-bg); color: var(--red); }
.attach-img-preview { display: block; max-width: 220px; max-height: 180px; border-radius: var(--r-xl); margin-bottom: 6px; object-fit: cover; border: 1px solid var(--border-2); }

/* ══════════════════════════════════════════════════════════
   SETTINGS FULL-PAGE
══════════════════════════════════════════════════════════ */
.settings-fullpage {
  position: fixed; inset: 0; z-index: 400;
  display: flex; flex-direction: column;
  background: var(--bg);
  transform: translateX(100%);
  transition: transform .36s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  overflow: hidden; will-change: transform;
}
.settings-fullpage:not(.hidden) { transform: translateX(0); }

.settings-fp-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px 12px;
  background: var(--surface);
  border-bottom: 1px solid var(--border); flex-shrink: 0;
}

/* Settings cards */
.settings-group-label { font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; color: var(--text-4); padding: 20px 4px 8px; font-family: var(--font-mono); }
.settings-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-xl); overflow: hidden; margin-bottom: 10px;
  box-shadow: var(--sh-xs);
  transition: box-shadow .22s var(--ease), border-color .22s var(--ease);
}
.settings-card:hover { box-shadow: var(--sh-sm); border-color: var(--border-2); }
.settings-card-row {
  display: flex; align-items: center; gap: 13px; padding: 15px 16px;
  transition: background var(--dur-fast);
}
.settings-card-row:hover { background: var(--surface-2); }
.settings-card-divider { height: 1px; background: var(--border); margin: 0 16px; }
.scr-icon { width: 34px; height: 34px; display: flex; align-items: center; justify-content: center; border-radius: var(--r-lg); background: var(--surface-2); border: 1px solid var(--border); color: var(--text-3); flex-shrink: 0; }
.scr-body { flex: 1; min-width: 0; }
.scr-label { font-size: .88rem; font-weight: 600; color: var(--text-1); }
.scr-desc { font-size: .78rem; color: var(--text-4); margin-top: 1px; }

/* Stg avatar */
.stg-avatar-section { display: flex; align-items: center; gap: 16px; padding: 20px 0 24px; }
.stg-avatar-wrap { position: relative; cursor: pointer; flex-shrink: 0; }
.stg-avatar-el { width: 56px; height: 56px; border-radius: 50%; font-size: 1.2rem;  }
.stg-avatar-edit { position: absolute; inset: 0; border-radius: 50%; background: rgba(0,0,0,.5); display: flex; align-items: center; justify-content: center; color: #fff; font-size: .82rem; opacity: 0; transition: opacity .2s; backdrop-filter: blur(4px); }
.stg-avatar-wrap:hover .stg-avatar-edit { opacity: 1; }
.stg-avatar-info { flex: 1; min-width: 0; }
.stg-avatar-name { font-size: 1.05rem; font-weight: 700; color: var(--text-1); margin-bottom: 3px; font-family: var(--font-brand); }
.stg-avatar-email { font-size: .82rem; color: var(--text-4); overflow: hidden; text-overflow: ellipsis; font-family: var(--font-mono); }

/* Qwen / AI Intel section */
.qwen-section-label { display: flex; align-items: center; gap: 6px; font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; color: var(--text-4); padding: 8px 4px 6px; font-family: var(--font-mono); }
.qwen-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-xl); overflow: hidden; margin-bottom: 8px; box-shadow: var(--sh-xs); }
.qwen-row { display: flex; align-items: center; gap: 12px; padding: 14px 16px; }
.qwen-row-icon { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; border-radius: var(--r-lg); flex-shrink: 0; border: 1px solid var(--border); }
.qwen-badge { font-size: .68rem; font-weight: 800; padding: 2px 9px; border-radius: var(--r-full); letter-spacing: .05em; flex-shrink: 0; font-family: var(--font-mono); }
.qwen-badge--on { background: var(--green-bg); color: var(--green-text); border: 1px solid rgba(0,255,163,.2); }
.qwen-nav-badge { font-size: .66rem; font-weight: 800; padding: 2px 9px; border-radius: var(--r-full); background: var(--grad-accent); color: var(--bg); flex-shrink: 0; font-family: var(--font-mono); letter-spacing: .04em; }
.qwen-ai-nav-row { background: linear-gradient(90deg, var(--accent-soft) 0%, transparent 100%); }

/* ══════════════════════════════════════════════════════════
   MOBILE OVERLAY + RESPONSIVE
══════════════════════════════════════════════════════════ */
@media (max-width: 700px) {
  .sidebar {
    position: fixed; left: 0; top: 0; bottom: 0; width: var(--sidebar-w) !important;
    transform: translateX(-100%);
    transition: transform var(--dur-slow) var(--ease-in-out), box-shadow var(--dur-slow) var(--ease);
    box-shadow: none; will-change: transform;
  }
  .sidebar:not(.collapsed) { transform: translateX(0); box-shadow: var(--sh-xl), 8px 0 60px rgba(0,0,0,.6); }
  .sidebar.collapsed { transform: translateX(-100%); }
  .chat-main { width: 100%; }
  .messages { padding: 12px 10px 8px; }
  .composer-area { padding: 8px 10px calc(10px + env(safe-area-inset-bottom,0px)); }
  .chat-title { max-width: 140px; }

  /* Welcome: 2-col grid, smaller, subtitle hidden */
  .welcome-cards { grid-template-columns: 1fr 1fr; gap: 7px; padding: 0 2px; }
  .welcome-card { padding: 11px 12px; }
  .welcome-card .wc-sub { display: none; }
  .welcome-heading { font-size: 1.5rem; }
  .welcome { padding: 28px 0 20px; }

  /* Topbar: hide clutter on mobile */
  .cx-ctx-depth-badge,
  .topbar-model-badge { display: none; }

  /* Composer: safe area at bottom, thumb reach */
  .composer-input { min-height: 40px; }
}

/* Sidebar backdrop on mobile */
.sb-backdrop {
  display: none; position: fixed; inset: 0;
  background: rgba(5,8,16,.65);
  backdrop-filter: blur(6px);
  z-index: 49;
  animation: fadeIn .22s var(--ease);
}
.sb-backdrop.visible { display: block; }
@keyframes fadeIn { from{opacity:0;}to{opacity:1;} }

@media (min-width: 701px) {
  .sidebar { position: relative; transform: none !important; }
}

/* ══════════════════════════════════════════════════════════
   MISC COMPONENTS
══════════════════════════════════════════════════════════ */

/* Web search pill in composer */
.cx-search-pill {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 11px; border-radius: var(--r-full);
  background: var(--accent-soft); color: var(--accent);
  border: 1px solid var(--border-2);
  font-size: .74rem; font-weight: 700; white-space: nowrap;
  font-family: var(--font-mono); letter-spacing: .04em;
  transition: background .15s, border-color .15s;
}
.cx-search-pill.off { background: var(--surface-2); color: var(--text-4); border-color: var(--border); }

/* Template btn */
#cx-template-btn { color: var(--text-4); }
#cx-template-btn:hover { color: var(--accent); background: var(--accent-soft); }

/* Composer counter states */
.composer-counter.warn { color: #f0a020; }
.composer-counter.danger { color: var(--red); font-weight: 700; }

/* Search sources */
.search-source { display: flex; align-items: center; gap: 7px; padding: 6px 10px; border-radius: var(--r-lg); font-size: .8rem; color: var(--text-3); transition: background var(--dur-fast), transform .15s var(--ease-spring); }
.search-source:hover { background: var(--surface-2); transform: translateX(4px); color: var(--accent); }
.search-source-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }

/* Code highlight */
.hljs { background: transparent !important; color: var(--text-2); font-size: .87rem; }

/* Image gen preview */
.img-gen-preview { border-radius: var(--r-xl); max-width: 100%; margin: 10px 0; box-shadow: var(--sh-lg), 0 0 0 1px var(--border); }

/* Template sheet */
.template-sheet { padding: 0 0 16px; }
.template-cat { padding: 14px 20px 8px; font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .12em; color: var(--text-4); font-family: var(--font-mono); }
.template-item { display: flex; align-items: center; gap: 12px; padding: 12px 20px; cursor: pointer; transition: background var(--dur-fast), transform .15s var(--ease-spring); border-radius: var(--r-lg); margin: 2px 8px; }
.template-item:hover { background: var(--surface-2); transform: translateX(4px); }
.template-item:active { transform: scale(.98); }
.template-icon { font-size: 1.2rem; flex-shrink: 0; }
.template-title { font-size: .88rem; font-weight: 700; color: var(--text-1); margin-bottom: 1px; font-family: var(--font-brand); }
.template-desc { font-size: .78rem; color: var(--text-4); }

/* Persona section */
.persona-row { display: flex; gap: 8px; flex-wrap: wrap; }
.persona-btn {
  display: flex; flex-direction: column; align-items: center; gap: 5px;
  padding: 11px 14px; border-radius: var(--r-xl);
  border: 1px solid var(--border-2); background: var(--surface-2);
  font-size: .8rem; color: var(--text-2); cursor: pointer;
  transition: border-color .2s, background .2s, transform .2s var(--ease-spring), box-shadow .2s;
}
.persona-btn:hover { border-color: var(--accent); background: var(--accent-soft); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,.3); }
.persona-btn.active { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
.persona-emoji { font-size: 1.4rem; }

/* Breadcrumb in settings */
.settings-nav-path { display: flex; align-items: center; gap: 6px; font-size: .76rem; color: var(--text-4); padding: 0 0 14px; font-family: var(--font-mono); }
.settings-nav-path span { color: var(--text-3); }

/* Scrollbar panel */
#sb-panel-chats { display: flex; flex-direction: column; flex: 1; overflow: hidden; }
#sb-panel-chats > .sb-list { scroll-behavior: smooth; }

/* Memory items */
.mem-item { padding: 12px 14px; border-radius: var(--r-lg); background: var(--surface-2); border: 1px solid var(--border); margin-bottom: 6px; font-size: .85rem; color: var(--text-2); display: flex; align-items: flex-start; gap: 10px; transition: background var(--dur-fast), border-color var(--dur-fast); }
.mem-item:hover { background: var(--surface-3); border-color: var(--border-2); }
.mem-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); flex-shrink: 0; margin-top: 7px; }
.mem-del { opacity: 0; flex-shrink: 0; color: var(--text-4); transition: opacity var(--dur-fast), color var(--dur-fast); }
.mem-item:hover .mem-del { opacity: 1; }
.mem-del:hover { color: var(--red); }

/* Appearance grid */
.theme-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); gap: 8px; margin-top: 10px; }
.theme-btn {
  display: flex; flex-direction: column; align-items: center; gap: 7px;
  padding: 13px 8px; border-radius: var(--r-xl);
  border: 1px solid var(--border-2); background: var(--surface-2);
  font-size: .78rem; font-weight: 600; color: var(--text-2); cursor: pointer;
  transition: border-color .2s, transform .2s var(--ease-spring), box-shadow .2s;
}
.theme-btn:hover { border-color: var(--accent); transform: translateY(-2px); }
.theme-btn.active { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.theme-swatch { width: 40px; height: 28px; border-radius: var(--r); border: 1px solid var(--border-2); }

/* About page */
.about-logo-row { display: flex; align-items: center; gap: 16px; padding: 20px 0 24px; }
.about-app-icon { width: 54px; height: 54px; border-radius: 16px; object-fit: contain; box-shadow: var(--sh); }
.about-app-name { font-family: var(--font-brand); font-size: 1.4rem; font-weight: 700; color: var(--text-1); letter-spacing: -0.03em; }
.about-app-ver { font-size: .8rem; color: var(--text-4); margin-top: 2px; font-family: var(--font-mono); }

/* TOS / Privacy pages */
.tos-body, .privacy-body { font-size: .88rem; color: var(--text-2); line-height: 1.78; }
.tos-body h3, .privacy-body h3 { font-size: .96rem; font-weight: 700; color: var(--text-1); margin: 20px 0 8px; font-family: var(--font-brand); }
.tos-body p, .privacy-body p { margin-bottom: .75em; }

/* Improve page */
.improve-section { margin-bottom: 22px; }
.improve-section h4 { font-size: .9rem; font-weight: 700; color: var(--text-1); margin-bottom: 8px; font-family: var(--font-brand); }
.improve-section p { font-size: .84rem; color: var(--text-3); line-height: 1.68; }

/* ══════════════════════════════════════════════════════════
   COMPOSER V2 — foot buttons + toolbar
══════════════════════════════════════════════════════════ */
.cx-composer-v2 { }
.cx-composer-body { position: relative; }
.cx-input-v2 { }
.cx-attach-strip { padding: 8px 14px 0; }

.cx-composer-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding: 6px 10px 10px; gap: 6px;
}
.cx-footer-left { display: flex; align-items: center; gap: 2px; }
.cx-footer-right { display: flex; align-items: center; gap: 7px; }

.cx-foot-btn {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 6px 11px; border-radius: var(--r-full);
  color: var(--text-4); font-size: .77rem; font-weight: 600;
  background: transparent;
  border: 1px solid transparent;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease), transform .18s var(--ease-spring);
  white-space: nowrap; font-family: var(--font-mono);
}
.cx-foot-btn:hover {
  background: var(--surface-2); color: var(--text-2);
  border-color: var(--border); transform: translateY(-1px);
}
.cx-foot-btn:active { transform: scale(.9); }
.cx-foot-btn.active {
  background: var(--accent-soft); color: var(--accent);
  border-color: var(--border-2);
}
.cx-foot-label { font-size: .74rem; font-weight: 600; }

/* AI toolbar */
.cx-ai-toolbar {
  display: flex; align-items: center; gap: 5px;
  padding: 0 4px 6px; flex-wrap: wrap;
  max-width: var(--msg-max); margin: 0 auto;
  min-height: 0; overflow: hidden;
}
.cx-ai-toolbar:empty { display: none; }

/* Bottom nav mobile */
.cx-bottom-nav { display: none; }
@media (max-width: 400px) {
  .cx-bottom-nav { display: flex; }
  .composer-hint { display: none; }
}

/* ══════════════════════════════════════════════════════════
   LOADING SKELETON
══════════════════════════════════════════════════════════ */
@keyframes shimmer {
  0% { background-position: -600px 0; }
  100% { background-position: 600px 0; }
}
.skeleton {
  background: linear-gradient(90deg, var(--surface-2) 25%, var(--surface-3) 50%, var(--surface-2) 75%);
  background-size: 1200px 100%;
  animation: shimmer 2s ease-in-out infinite;
  border-radius: var(--r);
}

/* ══════════════════════════════════════════════════════════
   MICRO-INTERACTION — button press wave
══════════════════════════════════════════════════════════ */
@keyframes buttonWave {
  0% { box-shadow: 0 0 0 0 var(--accent-glow); }
  80% { box-shadow: 0 0 0 14px rgba(0,229,255,0); }
  100% { box-shadow: 0 0 0 0 rgba(0,229,255,0); }
}

/* ══════════════════════════════════════════════════════════
   SMOOTH PAGE TRANSITIONS for settings sub-pages
══════════════════════════════════════════════════════════ */
.settings-subpage {
  animation: slideInRight .3s var(--ease);
}
@keyframes slideInRight { from{opacity:0;transform:translateX(28px);}to{opacity:1;transform:none;} }

/* ══════════════════════════════════════════════════════════
   FOCUS RING improvements
══════════════════════════════════════════════════════════ */
.send-btn:focus-visible, .auth-btn:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 3px;
  box-shadow: 0 0 0 6px var(--accent-soft);
}

/* ══════════════════════════════════════════════════════════
   DARK THEME OVERRIDES (composer / topbar glass)
══════════════════════════════════════════════════════════ */
[data-theme="dark"] .topbar { background: rgba(16,22,42,0.92); backdrop-filter: blur(28px) saturate(180%); -webkit-backdrop-filter: blur(28px) saturate(180%); }
[data-theme="dark"] .auth-hero { background: rgba(10,14,26,.6); }
[data-theme="dark"] .model-dropdown { background: var(--surface); }
[data-theme="dark"] .user-menu { background: var(--surface); }
[data-theme="dark"] .code-block { border-color: var(--border-2); }
[data-theme="dark"] .code-block-header { background: var(--surface-3); }
[data-theme="dark"] .code-block pre { background: var(--surface-2); }
[data-theme="dark"] .msg-bubble code { color: var(--accent); background: var(--surface-3); }

/* ══════════════════════════════════════════════════════════
   LIGHT THEME OVERRIDES
══════════════════════════════════════════════════════════ */
[data-theme="light"] body { background-image: radial-gradient(ellipse at 20% 0%, rgba(37,99,235,0.05) 0%, transparent 55%), radial-gradient(ellipse at 80% 100%, rgba(124,58,237,0.04) 0%, transparent 55%); }
[data-theme="light"] .topbar { background: rgba(255,255,255,0.92); }
[data-theme="light"] .composer-box { background: rgba(255,255,255,0.95); }
[data-theme="light"] .sidebar { background: rgba(255,255,255,0.98); }
[data-theme="light"] .sb-brand em { text-shadow: none; }
[data-theme="light"] .auth-btn { color: #fff; }
[data-theme="light"] .send-btn { color: #fff; }
[data-theme="light"] .user-avatar { color: #fff; }
[data-theme="light"] .msg-row.user .msg-bubble { color: #fff; }
[data-theme="light"] .cx-send-v2 { color: #fff; }
[data-theme="light"] .upgrade-wait-btn { color: #fff; }
[data-theme="light"] .fb-submit-btn { color: #fff; }
[data-theme="light"] .edit-send-btn { color: #fff; }

/* ══════════════════════════════════════════════════════════
   NEON SCANLINES overlay (aesthetic touch)
══════════════════════════════════════════════════════════ */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,229,255,0.012) 2px,
    rgba(0,229,255,0.012) 4px
  );
  pointer-events: none;
  mix-blend-mode: overlay;
}
[data-theme="light"] body::before { display: none; }

/* ══════════════════════════════════════════════════════════
   REDUCED MOTION ACCESSIBILITY
══════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ══════════════════════════════════════════════════════════
   REASONING PILL (DeepSeek-style thinking indicator)
══════════════════════════════════════════════════════════ */
.cx-reasoning-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--r-full);
  box-shadow: var(--sh-sm), 0 0 20px rgba(0,229,255,0.06);
  backdrop-filter: var(--glass-blur);
  animation: pillRise .35s var(--ease-spring);
}
@keyframes pillRise { from{opacity:0;transform:translateY(8px) scale(.95);}to{opacity:1;transform:none;} }
.cx-reasoning-icon {
  width: 22px; height: 22px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--accent-soft);
  border: 1px solid var(--border-2);
  color: var(--accent);
  flex-shrink: 0;
  animation: reasoningPulse 2s ease-in-out infinite;
}
@keyframes reasoningPulse { 0%,100%{opacity:.85;} 50%{opacity:1;} }
#thinking-text {
  font-size: .82rem; color: var(--text-3); font-weight: 600;
  font-family: var(--font-mono); letter-spacing: .04em;
}

/* ══════════════════════════════════════════════════════════
   LOGO TRAVELER animation
══════════════════════════════════════════════════════════ */
#logo-traveler {
  position: fixed; z-index: 9998; pointer-events: none;
  width: 40px; height: 40px;
  opacity: 0; display: none;
}
#logo-traveler img {
  width: 100%; height: 100%; object-fit: contain; border-radius: 12px;
  filter: drop-shadow(0 0 16px var(--accent-glow));
}

/* ══════════════════════════════════════════════════════════
   ADDITIONAL GLOW ACCENTS on active elements
══════════════════════════════════════════════════════════ */
.auth-feat svg { filter: drop-shadow(0 0 5px currentColor); }
.cx-think-emblem img { animation: thinkPulse 2s ease-in-out infinite; }

/* Enhanced scrollbar for chat */
.chat-scroll::-webkit-scrollbar { width: 3px; }
.chat-scroll::-webkit-scrollbar-thumb { background: var(--border-2); }
.chat-scroll::-webkit-scrollbar-thumb:hover { background: var(--accent-mid); }
.sb-list::-webkit-scrollbar { width: 2px; }
.sb-list::-webkit-scrollbar-thumb { background: var(--border); }

/* Glow on send + focused composer */
.composer-box:focus-within .cx-reasoning-pill { border-color: var(--border-3); }

/* ══════════════════════════════════════════════════════════
   VOICE BUTTON in composer (cx-voice-btn indicator)
══════════════════════════════════════════════════════════ */
.cx-voice-btn.listening {
  color: var(--red) !important;
  background: var(--red-bg) !important;
  border-color: rgba(255,59,92,.3) !important;
  animation: voiceBtnPulse 1.1s ease-in-out infinite;
}
@keyframes voiceBtnPulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(255,59,92,.4); }
  50%      { box-shadow: 0 0 0 8px rgba(255,59,92,.0); }
}

/* ══════════════════════════════════════════════════════════
   VOICE CALL OVERLAY
══════════════════════════════════════════════════════════ */
.cx-voice-overlay {
  position: fixed; inset: 0; z-index: 8000;
  background: var(--bg);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 0;
  /* Subtle radial glow */
  background-image:
    radial-gradient(ellipse at 50% 40%, rgba(0,229,255,0.10) 0%, transparent 60%),
    radial-gradient(ellipse at 50% 80%, rgba(124,58,237,0.06) 0%, transparent 50%);
  animation: cxvIn .4s var(--ease-spring);
  overflow: hidden;
}
@keyframes cxvIn { from{opacity:0;transform:scale(.96);}to{opacity:1;transform:none;} }

/* Ambient rings */
.cxv-rings { position: absolute; inset: 0; pointer-events: none; display: flex; align-items: center; justify-content: center; }
.cxv-ring {
  position: absolute; border-radius: 50%;
  border: 1px solid var(--border-2);
  opacity: 0;
}
.cxv-ring-1 { width: 220px; height: 220px; }
.cxv-ring-2 { width: 320px; height: 320px; }
.cxv-ring-3 { width: 430px; height: 430px; }

/* Idle: slow pulse rings */
.cx-voice-overlay.idle .cxv-ring-1 { animation: cxvRingIdle 3.6s ease-out infinite 0s; }
.cx-voice-overlay.idle .cxv-ring-2 { animation: cxvRingIdle 3.6s ease-out infinite .9s; }
.cx-voice-overlay.idle .cxv-ring-3 { animation: cxvRingIdle 3.6s ease-out infinite 1.8s; }
@keyframes cxvRingIdle {
  0%   { transform:scale(.6); opacity:0; }
  30%  { opacity:.5; }
  100% { transform:scale(1.05); opacity:0; }
}

/* Listening: fast excited rings */
.cx-voice-overlay.listening .cxv-ring-1 { animation: cxvRingListen 1.4s ease-out infinite 0s; border-color: rgba(255,59,92,.4); }
.cx-voice-overlay.listening .cxv-ring-2 { animation: cxvRingListen 1.4s ease-out infinite .28s; border-color: rgba(255,59,92,.25); }
.cx-voice-overlay.listening .cxv-ring-3 { animation: cxvRingListen 1.4s ease-out infinite .56s; border-color: rgba(255,59,92,.15); }
@keyframes cxvRingListen {
  0%   { transform:scale(.55); opacity:0; }
  25%  { opacity:1; }
  100% { transform:scale(1.1); opacity:0; }
}

/* Speaking: smooth cyan rings */
.cx-voice-overlay.speaking .cxv-ring-1 { animation: cxvRingSpeak 2s ease-out infinite 0s; border-color: var(--accent-mid); }
.cx-voice-overlay.speaking .cxv-ring-2 { animation: cxvRingSpeak 2s ease-out infinite .5s; border-color: var(--border-2); }
.cx-voice-overlay.speaking .cxv-ring-3 { animation: cxvRingSpeak 2s ease-out infinite 1s; border-color: var(--border); }
@keyframes cxvRingSpeak {
  0%   { transform:scale(.6); opacity:0; }
  30%  { opacity:.8; }
  100% { transform:scale(1.08); opacity:0; }
}

/* Avatar */
.cxv-avatar {
  width: 96px; height: 96px; border-radius: 50%;
  background: var(--surface-2);
  border: 2px solid var(--border-2);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 24px; position: relative; z-index: 2;
  transition: border-color .3s, box-shadow .3s;
}
.cxv-avatar img { width: 54px; height: 54px; object-fit: contain; filter: drop-shadow(0 0 18px var(--accent-glow)); }
.cx-voice-overlay.speaking .cxv-avatar {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft), 0 0 40px var(--accent-glow);
}
.cx-voice-overlay.listening .cxv-avatar {
  border-color: var(--red);
  box-shadow: 0 0 0 4px var(--red-bg), 0 0 32px var(--rose-glow);
}

/* Status text */
.cxv-status {
  font-family: var(--font-brand); font-size: 1.1rem; font-weight: 700;
  color: var(--text-1); letter-spacing: -0.02em;
  margin-bottom: 10px; z-index: 2;
  min-height: 1.4em; text-align: center;
  transition: color .3s;
}
.cx-voice-overlay.listening .cxv-status { color: var(--red); }
.cx-voice-overlay.speaking  .cxv-status { color: var(--accent); }

/* Live transcript */
.cxv-transcript {
  font-size: .88rem; color: var(--text-3); text-align: center;
  max-width: 340px; line-height: 1.65; min-height: 2.6em;
  padding: 0 16px; z-index: 2;
  transition: color .2s;
  font-style: italic;
}
.cxv-transcript:not(:empty) { color: var(--text-2); font-style: normal; }

/* Waveform bars */
.cxv-wave {
  display: flex; align-items: center; justify-content: center;
  gap: 4px; height: 48px; margin: 18px 0 14px; z-index: 2;
}
.cxv-wave span {
  width: 3px; border-radius: 3px;
  background: var(--border-2);
  height: 6px;
  transform-origin: center bottom;
  transition: background .3s;
}
/* Listening: bars animate to voice amplitude */
.cx-voice-overlay.listening .cxv-wave span {
  background: var(--red);
  animation: cxvBar 0.6s ease-in-out infinite;
}
.cx-voice-overlay.listening .cxv-wave span:nth-child(1)  { animation-delay: 0s; }
.cx-voice-overlay.listening .cxv-wave span:nth-child(2)  { animation-delay: .04s; }
.cx-voice-overlay.listening .cxv-wave span:nth-child(3)  { animation-delay: .08s; }
.cx-voice-overlay.listening .cxv-wave span:nth-child(4)  { animation-delay: .12s; }
.cx-voice-overlay.listening .cxv-wave span:nth-child(5)  { animation-delay: .16s; }
.cx-voice-overlay.listening .cxv-wave span:nth-child(6)  { animation-delay: .20s; }
.cx-voice-overlay.listening .cxv-wave span:nth-child(7)  { animation-delay: .24s; height: 28px; }
.cx-voice-overlay.listening .cxv-wave span:nth-child(8)  { animation-delay: .20s; }
.cx-voice-overlay.listening .cxv-wave span:nth-child(9)  { animation-delay: .16s; }
.cx-voice-overlay.listening .cxv-wave span:nth-child(10) { animation-delay: .12s; }
.cx-voice-overlay.listening .cxv-wave span:nth-child(11) { animation-delay: .08s; }
.cx-voice-overlay.listening .cxv-wave span:nth-child(12) { animation-delay: .04s; }
.cx-voice-overlay.listening .cxv-wave span:nth-child(13) { animation-delay: 0s; }
.cx-voice-overlay.listening .cxv-wave span:nth-child(14) { animation-delay: .04s; }
.cx-voice-overlay.listening .cxv-wave span:nth-child(15) { animation-delay: .08s; }
@keyframes cxvBar {
  0%,100% { height: 6px; opacity:.7; }
  50%      { height: 34px; opacity:1; }
}
/* Speaking: gentle cyan bars */
.cx-voice-overlay.speaking .cxv-wave span {
  background: var(--accent);
  animation: cxvBarSpeak 1.2s ease-in-out infinite;
}
.cx-voice-overlay.speaking .cxv-wave span:nth-child(odd)  { animation-delay: 0s; }
.cx-voice-overlay.speaking .cxv-wave span:nth-child(even) { animation-delay: .3s; }
@keyframes cxvBarSpeak {
  0%,100% { height: 8px; opacity:.5; }
  50%      { height: 24px; opacity:1; }
}

/* Speaking row */
.cxv-speaking-row {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 16px; border-radius: var(--r-full);
  background: var(--accent-soft); border: 1px solid var(--border-2);
  margin-bottom: 8px; z-index: 2;
  animation: pillRise .3s var(--ease-spring);
}
.cxv-speaking-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
  animation: cxvDotPulse 1s ease-in-out infinite;
  box-shadow: 0 0 8px var(--accent-glow);
}
@keyframes cxvDotPulse { 0%,100%{transform:scale(.7);opacity:.6;}50%{transform:scale(1.2);opacity:1;} }
.cxv-speaking-label { font-size: .8rem; font-weight: 600; color: var(--accent); font-family: var(--font-mono); }
.cxv-stop-tts { color: var(--accent); opacity: .7; transition: opacity .2s; }
.cxv-stop-tts:hover { opacity: 1; }

/* Controls */
.cxv-controls {
  display: flex; align-items: center; justify-content: center;
  gap: 32px; z-index: 2; margin-top: 8px;
}

/* Big mic button */
.cxv-mic-btn {
  width: 76px; height: 76px; border-radius: 50%;
  background: var(--surface-2);
  border: 2px solid var(--border-2);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-2);
  transition: transform .2s var(--ease-spring), border-color .2s, background .2s, box-shadow .2s, color .2s;
  position: relative;
}
.cxv-mic-btn:hover { border-color: var(--accent); color: var(--accent); transform: scale(1.06); }
.cxv-mic-btn:active { transform: scale(.94); }
.cxv-mic-btn.listening {
  background: var(--red-bg);
  border-color: var(--red);
  color: var(--red);
  box-shadow: 0 0 0 6px rgba(255,59,92,.15), 0 0 30px var(--rose-glow);
  animation: cxvMicPulse 1.2s ease-in-out infinite;
}
@keyframes cxvMicPulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(255,59,92,.4), 0 0 20px var(--rose-glow); }
  50%      { box-shadow: 0 0 0 14px rgba(255,59,92,.0), 0 0 40px var(--rose-glow); }
}

/* End call button */
.cxv-end-btn {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--red-bg);
  border: 2px solid rgba(255,59,92,.3);
  display: flex; align-items: center; justify-content: center;
  color: var(--red);
  transition: transform .2s var(--ease-spring), background .2s, box-shadow .2s;
}
.cxv-end-btn:hover { background: var(--red); color: #fff; transform: scale(1.08); box-shadow: 0 4px 20px var(--rose-glow); }
.cxv-end-btn:active { transform: scale(.92); }

/* Hint */
.cxv-hint {
  font-size: .76rem; color: var(--text-4); text-align: center;
  margin-top: 20px; z-index: 2;
  font-family: var(--font-mono); letter-spacing: .03em;
}

/* Processing state (sent to AI, waiting) */
.cx-voice-overlay.processing .cxv-status { color: var(--violet); }
.cx-voice-overlay.processing .cxv-ring-1 { animation: cxvRingSpeak 1.6s ease-out infinite 0s; border-color: rgba(124,58,237,.4); }
.cx-voice-overlay.processing .cxv-ring-2 { animation: cxvRingSpeak 1.6s ease-out infinite .4s; border-color: rgba(124,58,237,.25); }
.cx-voice-overlay.processing .cxv-ring-3 { animation: cxvRingSpeak 1.6s ease-out infinite .8s; border-color: rgba(124,58,237,.15); }
.cx-voice-overlay.processing .cxv-avatar { border-color: var(--violet); box-shadow: 0 0 0 4px var(--violet-soft), 0 0 40px var(--violet-glow); }
.cx-voice-overlay.processing .cxv-wave span { background: var(--violet); animation: cxvBarSpeak 1.4s ease-in-out infinite; }

/* ================================================================
   CYANIX AI — IMPROVEMENTS PATCH v2.0
   Light/Dark mode chips, Complix Neon, Voice chips, Avatar, Font
================================================================ */

/* ── Theme chip selector ─────────────────────────────────── */
.theme-chip-group {
  display: flex; gap: 8px; flex-wrap: wrap;
}
.theme-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px; border-radius: var(--r-full);
  border: 1.5px solid var(--border-2);
  background: var(--surface-2); color: var(--text-2);
  font-size: .8rem; font-weight: 600; cursor: pointer;
  transition: border-color .18s, background .18s, color .18s, box-shadow .18s;
  font-family: var(--font);
}
.theme-chip svg { opacity: .65; transition: opacity .18s; flex-shrink: 0; }
.theme-chip.active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.theme-chip.active svg { opacity: 1; }
.theme-chip:hover:not(.active) {
  border-color: var(--border-3);
  background: var(--surface-3);
  color: var(--text-1);
}

/* ── Voice gender chip (inherits theme-chip) ─────────────── */
.voice-gender-chip.active {
  border-color: var(--violet);
  background: var(--violet-soft);
  color: var(--violet);
  box-shadow: 0 0 0 3px var(--violet-soft);
}

/* ── Complix Neon dark UI override ───────────────────────── */
[data-complix-neon="1"] {
  --bg:        #04000f;
  --surface:   #080018;
  --surface-2: #0d0026;
  --surface-3: #120033;
  --surface-4: #180040;
  --border:    rgba(170,0,255,0.10);
  --border-2:  rgba(170,0,255,0.22);
  --border-3:  rgba(170,0,255,0.38);
  --text-1:    #f0e0ff;
  --text-2:    #c090e8;
  --text-3:    #8040b0;
  --text-4:    #4a1870;
  --accent:    #aa00ff;
  --accent-dim:#8800cc;
  --accent-glow: rgba(170,0,255,0.28);
  --accent-soft: rgba(170,0,255,0.09);
  --accent-mid:  rgba(170,0,255,0.18);
  --accent-high: rgba(170,0,255,0.32);
  --violet:    #00e5ff;
  --rose:      #ff2d78;
  --glass-bg:  rgba(4,0,15,0.92);
  --glass-border: rgba(170,0,255,0.14);
  --grad-accent: linear-gradient(135deg, #aa00ff, #ff2d78);
  --sh-accent: 0 0 0 1px rgba(170,0,255,0.22), 0 4px 24px rgba(170,0,255,0.32);
}
[data-complix-neon="1"] body {
  background: var(--bg);
}
[data-complix-neon="1"] .topbar {
  background: rgba(4,0,15,0.95);
  border-bottom-color: rgba(170,0,255,0.14);
}
[data-complix-neon="1"] .sidebar {
  background: rgba(8,0,24,0.97);
  border-right-color: rgba(170,0,255,0.10);
}
[data-complix-neon="1"] .composer-box {
  background: rgba(4,0,15,0.90);
  border-color: rgba(170,0,255,0.22);
  box-shadow: 0 0 40px rgba(170,0,255,0.15), 0 0 0 1px rgba(170,0,255,0.12);
}
[data-complix-neon="1"] .cx-complix-btn--on {
  background: linear-gradient(135deg, #aa00ff, #ff2d78) !important;
  color: #fff !important;
  box-shadow: 0 0 20px rgba(170,0,255,0.5), 0 0 40px rgba(255,45,120,0.2) !important;
  animation: complixNeonPulse 2s ease-in-out infinite;
}
[data-complix-neon="1"] .welcome-heading {
  background: linear-gradient(135deg, #aa00ff, #ff2d78, #00e5ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
[data-complix-neon="1"] .send-btn, [data-complix-neon="1"] .auth-btn {
  background: linear-gradient(135deg, #8800cc, #aa00ff);
}
[data-complix-neon="1"] .cx-reasoning-pill {
  background: rgba(170,0,255,0.12);
  border-color: rgba(170,0,255,0.28);
  color: #c860ff;
}
[data-complix-neon="1"] .msg-row:not(.user) .msg-bubble {
  border-left: 2px solid rgba(170,0,255,0.3);
}
@keyframes complixNeonPulse {
  0%,100% { box-shadow: 0 0 20px rgba(170,0,255,0.5), 0 0 40px rgba(255,45,120,0.2); }
  50%     { box-shadow: 0 0 30px rgba(170,0,255,0.8), 0 0 60px rgba(255,45,120,0.4); }
}

/* ── Avatar in settings — proper sizing with bg-image ───── */
.stg-avatar-el {
  width: 64px !important; height: 64px !important;
  border-radius: 50%;
  background-size: cover !important;
  background-position: center !important;
  background-repeat: no-repeat !important;
  font-size: 1.4rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  transition: opacity .2s;
  border: 2.5px solid var(--border-2);
  flex-shrink: 0;
}
.stg-avatar-wrap {
  position: relative; width: 64px; height: 64px; flex-shrink: 0;
}
.stg-avatar-wrap:hover .stg-avatar-el { opacity: .8; }

/* ── Font size label fix (was font-size-desc, now font-size-label) */
#font-size-label { font-size: .78rem; color: var(--text-3); margin-top: 1px; }

/* ── Settings scroll area ────────────────────────────────── */
.settings-scroll {
  flex: 1; overflow-y: auto; padding: 16px;
  -webkit-overflow-scrolling: touch;
}
.settings-scroll .settings-group-label { margin-top: 18px; }
.settings-scroll .settings-group-label:first-child { margin-top: 0; }

/* ── Clash Display font preload ──────────────────────────── */
@font-face {
  font-family: 'Clash Display';
  src: url('https://api.fontshare.com/v2/css?f[]=clash-display@400,500,600,700&display=swap');
  font-display: swap;
}

/* ══════════════════════════════════════════════════════════
   NEW FEATURE STYLES — offline / verify / session / skeleton
   / toast-queue / retry / focus-trap / sr-only
══════════════════════════════════════════════════════════ */

/* ── Screen-reader only utility ──────────────────────────── */
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ── Offline Banner ──────────────────────────────────────── */
.offline-banner {
  position: fixed; top: 0; left: 0; right: 0; z-index: 10100;
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px;
  background: #1a1000;
  border-bottom: 1px solid rgba(255,180,0,.28);
  color: #f0c040;
  font-size: .82rem; font-weight: 600;
  animation: slideDown .3s var(--ease-spring);
  backdrop-filter: var(--glass-blur);
}
.offline-banner svg { flex-shrink: 0; color: #f0c040; }
.offline-banner.hidden { display: none !important; }

/* ── Email Verification Banner ───────────────────────────── */
.verify-banner {
  position: fixed; top: 0; left: 0; right: 0; z-index: 10090;
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px;
  background: rgba(37,99,235,.12);
  border-bottom: 1px solid rgba(37,99,235,.28);
  color: var(--text-2);
  font-size: .82rem;
  backdrop-filter: var(--glass-blur);
  animation: slideDown .3s var(--ease-spring);
}
.verify-banner svg { flex-shrink: 0; color: var(--accent); }
.verify-banner span { flex: 1; }
.verify-resend-btn {
  padding: 4px 12px; border-radius: var(--r-full);
  background: var(--accent); color: var(--text-inv);
  font-size: .78rem; font-weight: 700; flex-shrink: 0;
}
.verify-banner-x {
  width: 24px; height: 24px; border-radius: 50%;
  background: transparent; color: var(--text-3);
  font-size: 16px; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; line-height: 1;
}
.verify-banner-x:hover { background: var(--surface-3); color: var(--text-1); }
.verify-banner.hidden { display: none !important; }

/* ── Session Expiry Banner ───────────────────────────────── */
.session-expiry-banner {
  position: fixed; top: 0; left: 0; right: 0; z-index: 10080;
  display: flex; align-items: center; gap: 10px;
  padding: 10px 16px;
  background: rgba(124,58,237,.14);
  border-bottom: 1px solid rgba(124,58,237,.30);
  color: var(--text-2);
  font-size: .82rem;
  backdrop-filter: var(--glass-blur);
  animation: slideDown .3s var(--ease-spring);
}
.session-expiry-banner svg { flex-shrink: 0; color: var(--violet); }
.session-expiry-banner span { flex: 1; }
.session-refresh-btn {
  padding: 4px 12px; border-radius: var(--r-full);
  background: var(--violet); color: #fff;
  font-size: .78rem; font-weight: 700; flex-shrink: 0;
}
.session-expiry-banner.hidden { display: none !important; }

/* ── Stacked banner offsets ──────────────────────────────── */
/* JS will set --banner-offset on body to push chat topbar down */
body { --banner-offset: 0px; }
.topbar, .view-chat .topbar { top: var(--banner-offset, 0px); }

/* ── Chat Skeleton ───────────────────────────────────────── */
.chat-skeleton {
  display: flex; flex-direction: column; gap: 24px;
  padding: 32px 16px; max-width: var(--msg-max); margin: 0 auto;
}
.chat-skeleton.hidden { display: none !important; }
.skel-row { display: flex; }
.skel-row--ai  { justify-content: flex-start; }
.skel-row--user { justify-content: flex-end; }
.skel-bubble {
  display: flex; flex-direction: column; gap: 8px;
  padding: 14px 18px; border-radius: var(--r-lg);
  max-width: 72%;
}
.skel-bubble--ai  { background: var(--surface-2); border-radius: var(--r-lg) var(--r-lg) var(--r-lg) var(--r-xs); }
.skel-bubble--user { background: var(--surface-3); border-radius: var(--r-lg) var(--r-lg) var(--r-xs) var(--r-lg); }
.skel-line {
  height: 12px; border-radius: var(--r-full);
  background: linear-gradient(90deg, var(--surface-3) 25%, var(--surface-4) 50%, var(--surface-3) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.6s infinite linear;
}
.skel-line--30  { width: 30%; }
.skel-line--40  { width: 40%; }
.skel-line--50  { width: 50%; }
.skel-line--55  { width: 55%; }
.skel-line--60  { width: 60%; }
.skel-line--70  { width: 70%; }
.skel-line--80  { width: 80%; }
.skel-line--90  { width: 90%; }
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── Retry Bar ───────────────────────────────────────────── */
.retry-bar {
  position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 10px;
  padding: 9px 16px; margin-bottom: 8px;
  background: rgba(255,59,92,.12);
  border: 1px solid rgba(255,59,92,.28);
  border-radius: var(--r-lg);
  color: var(--text-2); font-size: .82rem;
  white-space: nowrap;
  box-shadow: var(--sh-sm);
  z-index: 20;
  animation: fadeUp .25s var(--ease-spring);
}
.retry-bar.hidden { display: none !important; }
.retry-bar svg { color: var(--red); flex-shrink: 0; }
.retry-btn {
  padding: 4px 12px; border-radius: var(--r-full);
  background: var(--red); color: #fff;
  font-size: .78rem; font-weight: 700; flex-shrink: 0;
}
.retry-dismiss-btn {
  width: 22px; height: 22px; border-radius: 50%;
  background: transparent; color: var(--text-3);
  font-size: 15px; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; line-height: 1;
}
.retry-dismiss-btn:hover { background: var(--surface-3); color: var(--text-1); }
@keyframes fadeUp {
  from { opacity: 0; transform: translateX(-50%) translateY(8px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* ── Toast Queue ─────────────────────────────────────────── */
.toast-container {
  position: fixed; bottom: 80px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; gap: 8px;
  align-items: center; z-index: 9999;
  pointer-events: none;
}
.toast-item {
  padding: 10px 20px;
  background: var(--surface-4);
  border: 1px solid var(--border-2);
  border-radius: var(--r-full);
  font-size: .85rem; font-weight: 600; color: var(--text-1);
  box-shadow: var(--sh-lg);
  pointer-events: auto;
  animation: toastIn .28s var(--ease-spring) both;
  backdrop-filter: var(--glass-blur);
  max-width: min(360px, 90vw);
  text-align: center;
}
.toast-item.toast-out {
  animation: toastOut .22s var(--ease) forwards;
}
.toast-item[data-type="err"]     { border-color: rgba(255,59,92,.40); color: #ff6b8a; }
.toast-item[data-type="ok"]      { border-color: rgba(0,255,163,.30); color: var(--green-text); }
.toast-item[data-type="warning"] { border-color: rgba(255,180,0,.35); color: #f0c040; }
@keyframes toastIn  { from{opacity:0;transform:translateY(12px) scale(.94);}to{opacity:1;transform:none;} }
@keyframes toastOut { from{opacity:1;transform:none;}to{opacity:0;transform:translateY(-8px) scale(.95);} }

/* ── Memory save indicator ───────────────────────────────── */
.memory-saving-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px; border-radius: var(--r-full);
  background: rgba(0,255,163,.08);
  border: 1px solid rgba(0,255,163,.20);
  color: var(--green-text);
  font-size: .74rem; font-weight: 600; font-family: var(--font-mono);
  animation: fadeIn .2s var(--ease) both;
  pointer-events: none;
}
.memory-saving-pill .ms-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green-text);
  animation: msPulse 1s ease-in-out infinite;
}
@keyframes msPulse { 0%,100%{opacity:1;} 50%{opacity:.3;} }
@keyframes fadeIn  { from{opacity:0;}to{opacity:1;} }

/* ── Sign-in rate limit lockout ──────────────────────────── */
.auth-lockout-msg {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px; border-radius: var(--r);
  background: var(--red-bg); border: 1px solid rgba(255,59,92,.28);
  color: var(--red); font-size: .82rem; font-weight: 600;
  margin-top: 8px;
}
.auth-lockout-msg.hidden { display: none !important; }

/* ── Composer draft restore pill ─────────────────────────── */
.draft-restore-pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 4px 12px 4px 10px; border-radius: var(--r-full);
  background: var(--surface-3); border: 1px solid var(--border-2);
  color: var(--text-3); font-size: .78rem;
  margin-bottom: 4px; align-self: flex-start;
  cursor: pointer; transition: background .15s;
}
.draft-restore-pill:hover { background: var(--surface-4); color: var(--text-2); }
.draft-restore-pill svg  { flex-shrink: 0; }

/* ── Sidebar chat-list skeleton ──────────────────────────── */
.sb-list-skeleton {
  display: flex; flex-direction: column; gap: 6px; padding: 4px 8px;
}
.sb-skel-item {
  height: 38px; border-radius: var(--r);
  background: linear-gradient(90deg, var(--surface-2) 25%, var(--surface-3) 50%, var(--surface-2) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.6s infinite linear;
}
.sb-skel-item:nth-child(2) { width: 85%; animation-delay: .1s; }
.sb-skel-item:nth-child(3) { width: 70%; animation-delay: .2s; }

/* ── Focus trap overlay for modals ───────────────────────── */
/* All modals/dialogs already have aria-modal; the JS focus trap
   logic handles tabbing — no extra CSS needed beyond this sentinel */
[data-focus-trap-sentinel] {
  position: absolute; width: 0; height: 0;
  overflow: hidden; opacity: 0; pointer-events: none;
}

/* ══════════════════════════════════════════════════════════
   CYANIX AI — v18.1 ENHANCEMENTS
   Streaming states · Inline retry · Context pill ·
   Model topbar badge · Smart placeholder · Error bubbles
══════════════════════════════════════════════════════════ */

/* ── Inline message error & retry ────────────────────────── */
.msg-error-row {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 10px 6px 14px;
  border-left: 2px solid var(--red);
  background: var(--red-bg);
  border-radius: 0 var(--r) var(--r) 0;
  margin: 4px 0;
  animation: msgIn .3s var(--ease-spring);
}
.msg-error-icon { color: var(--red); flex-shrink: 0; }
.msg-error-text { font-size: .82rem; color: var(--red); flex: 1; font-family: var(--font-mono); }
.msg-retry-btn {
  display: flex; align-items: center; gap: 5px;
  padding: 4px 11px; border-radius: var(--r-full);
  background: var(--red-bg); border: 1px solid rgba(255,59,92,.3);
  color: var(--red); font-size: .75rem; font-weight: 700;
  font-family: var(--font-mono); letter-spacing: .02em;
  transition: background .15s, transform .18s var(--ease-spring);
  flex-shrink: 0;
}
.msg-retry-btn:hover { background: rgba(255,59,92,.2); transform: translateY(-1px); }
.msg-retry-btn:active { transform: scale(.93); }

/* ── Context window / depth indicator ────────────────────── */
.cx-ctx-pill {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: var(--r-full);
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--text-4); font-size: .7rem; font-weight: 600;
  font-family: var(--font-mono); letter-spacing: .04em;
  cursor: default; transition: border-color .2s, color .2s;
  white-space: nowrap;
}
.cx-ctx-pill svg { opacity: .6; flex-shrink: 0; }
.cx-ctx-pill:hover { border-color: var(--border-2); color: var(--text-3); }

/* Context separator shown when context is being truncated */
.cx-ctx-separator {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 0; max-width: var(--msg-max); margin: 0 auto; width: 100%;
}
.cx-ctx-separator::before,
.cx-ctx-separator::after {
  content: ''; flex: 1; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-2), transparent);
}
.cx-ctx-sep-label {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: .7rem; color: var(--text-4); font-family: var(--font-mono);
  white-space: nowrap; padding: 2px 10px;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--r-full);
}

/* ── Active model badge in topbar ────────────────────────── */
.topbar-model-badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px 3px 8px; border-radius: var(--r-full);
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--text-3); font-size: .7rem; font-weight: 700;
  font-family: var(--font-mono); letter-spacing: .04em;
  transition: background .2s, border-color .2s, color .2s;
  cursor: pointer; white-space: nowrap;
  max-width: 140px; overflow: hidden; text-overflow: ellipsis;
}
.topbar-model-badge .tmb-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); flex-shrink: 0;
  box-shadow: 0 0 6px var(--accent-glow);
  animation: tmbPulse 2.8s ease-in-out infinite;
}
@keyframes tmbPulse {
  0%,100% { opacity: 1; box-shadow: 0 0 6px var(--accent-glow); }
  50%      { opacity: .5; box-shadow: 0 0 10px var(--accent-glow); }
}
.topbar-model-badge:hover {
  background: var(--accent-soft); border-color: var(--accent); color: var(--accent);
}

/* ── Smart / rotating placeholder animation ───────────────── */
@keyframes placeholderFade {
  0%   { opacity: 0; transform: translateY(4px); }
  15%  { opacity: 1; transform: none; }
  80%  { opacity: 1; transform: none; }
  100% { opacity: 0; transform: translateY(-4px); }
}
.composer-input.placeholder-cycling::placeholder { animation: placeholderFade 3.5s var(--ease) forwards; }

/* ── RAG / tool pill variants ─────────────────────────────── */
.rag-pill.wiki  { background: rgba(59,130,246,.08); color: #60a5fa; border-color: rgba(59,130,246,.2); }
.rag-pill.groq  { background: rgba(16,185,129,.08); color: #34d399; border-color: rgba(16,185,129,.2); }
.rag-pill.cot   { background: rgba(245,158,11,.08); color: #fbbf24; border-color: rgba(245,158,11,.2); }
.rag-pill.mem   { background: rgba(124,58,237,.08); color: #a78bfa; border-color: rgba(124,58,237,.2); }

/* Live dot inside pill */
.rag-pill-dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: currentColor; flex-shrink: 0;
  animation: ragDotPulse 1.5s ease-in-out infinite;
  box-shadow: 0 0 5px currentColor;
}
@keyframes ragDotPulse {
  0%,100% { opacity: 1; } 50% { opacity: .3; }
}

/* ── Capability badge strip on welcome ────────────────────── */
/* Already has .welcome-cap-badge — this enhances hover */
.welcome-cap-badge {
  transition: background .18s, border-color .18s, color .18s, transform .18s var(--ease-spring);
}
.welcome-cap-badge:hover {
  background: var(--accent-soft); border-color: var(--border-2); color: var(--accent);
  transform: translateY(-1px);
}

/* ── Sidebar search box ───────────────────────────────────── */
.sb-search-wrap {
  padding: 6px 10px 2px;
}
.sb-search {
  width: 100%; padding: 7px 12px 7px 32px;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--r-full); font-size: .82rem; color: var(--text-2);
  outline: none; transition: border-color .2s, background .2s;
  position: relative;
}
.sb-search:focus { border-color: var(--accent); background: var(--surface-3); }
.sb-search-icon {
  position: absolute; left: 20px; top: 50%; transform: translateY(-50%);
  color: var(--text-4); pointer-events: none;
}
.sb-search-row { position: relative; }

/* ── Topbar streaming indicator ───────────────────────────── */
.topbar-streaming-badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 2px 10px; border-radius: var(--r-full);
  background: var(--accent-soft); border: 1px solid var(--border-2);
  color: var(--accent); font-size: .7rem; font-weight: 700;
  font-family: var(--font-mono); animation: pillIn .22s var(--ease-spring);
}
.tsb-dots { display: flex; gap: 3px; }
.tsb-dots span {
  width: 3px; height: 3px; border-radius: 50%; background: var(--accent);
  animation: thinkDot 1.1s ease-in-out infinite;
}
.tsb-dots span:nth-child(2) { animation-delay: .18s; }
.tsb-dots span:nth-child(3) { animation-delay: .36s; }

/* ── Message feedback glow on thumbs ──────────────────────── */
.msg-action-btn.voted-up   { color: var(--green-text); border-color: var(--green-text); background: var(--green-bg); }
.msg-action-btn.voted-down { color: var(--red); border-color: rgba(255,59,92,.3); background: var(--red-bg); }

/* ── Dark theme AI bubble override ───────────────────────── */
[data-theme="dark"] .msg-row:not(.user) .msg-bubble {
  background: transparent; color: var(--text-1);
  border-left-color: rgba(0,229,255,.12);
}
[data-theme="dark"] .msg-row:not(.user) .msg-bubble.streaming {
  border-left-color: var(--accent);
}

/* ── Neon theme AI bubble override ───────────────────────── */
[data-theme="neon"] .msg-row:not(.user) .msg-bubble {
  border-left-color: rgba(200,64,255,.18);
}
[data-theme="neon"] .msg-row:not(.user) .msg-bubble.streaming {
  border-left-color: var(--accent);
}

/* ── Midnight theme AI bubble override ───────────────────── */
[data-theme="midnight"] .msg-row:not(.user) .msg-bubble {
  border-left-color: rgba(68,136,255,.18);
}


/* ══════════════════════════════════════════════════════════
   PERFORMANCE & RELIABILITY ENHANCEMENTS — v19
   Mobile perf · GPU accel · CSS containment · Reduced motion
   Reliability polish · "Real AI" premium feel
══════════════════════════════════════════════════════════ */

/* ── GPU Acceleration for key interactive elements ──────── */
.sidebar,
.composer-box,
.topbar,
.msg-row,
.welcome-card,
.chat-item,
.send-btn,
.auth-btn {
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
}

/* ── CSS Containment — prevent layout thrash during streaming */
.messages {
  contain: layout style;
}
.msg-row {
  contain: layout style;
  content-visibility: auto;
  contain-intrinsic-size: auto 80px;
}
.chat-item {
  contain: layout style;
}

/* ── Reduce expensive effects on mobile/low-end devices ──── */
@media (max-width: 700px) {
  /* Simplify topbar blur on mobile */
  .topbar {
    backdrop-filter: blur(12px) saturate(130%);
    -webkit-backdrop-filter: blur(12px) saturate(130%);
  }
  /* Reduce sidebar overhead */
  .sidebar {
    backdrop-filter: none;
  }
  /* Composer: lighter glass */
  .composer-box {
    backdrop-filter: blur(10px) saturate(120%);
    -webkit-backdrop-filter: blur(10px) saturate(120%);
  }
  /* Disable expensive welcome animations on mobile */
  .welcome-glow {
    display: none;
  }
  /* Simpler card hover — no translateY on mobile (causes scroll jank) */
  .welcome-card:hover {
    transform: none;
    box-shadow: 0 4px 16px rgba(0,0,0,.3);
  }
  /* Disable welcome emblem float on mobile */
  .welcome-emblem {
    animation: none !important;
  }
  /* Reduce auth orb blur cost */
  .auth-orb {
    filter: blur(60px);
  }
  /* Disable heavy orbit animations on mobile */
  .cx-orbit-wrap {
    display: none;
  }
}

/* ── Respect prefers-reduced-motion ──────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .msg-row {
    animation: none;
  }
  .welcome > * {
    animation: none;
    opacity: 1;
  }
  .thinking-dots span {
    animation: none;
    opacity: 0.6;
  }
  .splash-emblem {
    animation: none;
  }
  .welcome-emblem {
    animation: none !important;
  }
}

/* ── Streaming: only animate the pulse during active stream ─ */
/* Non-streaming state: no animation (was re-applied in :not(.streaming)) */
.msg-row:not(.user) .msg-bubble:not(.streaming) {
  animation: none !important;
}

/* ── Virtualization sentinel (shown when old msgs are hidden) */
.cx-virt-sentinel {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 0;
  color: var(--text-4); font-size: .72rem;
  font-family: var(--font-mono); letter-spacing: .04em;
  justify-content: center;
  user-select: none;
}
.cx-virt-sentinel::before,
.cx-virt-sentinel::after {
  content: ''; flex: 1; height: 1px;
  background: var(--border);
}

/* ── Performance: message load skeleton enhancement ──────── */
.skel-bubble--ai,
.skel-bubble--user {
  contain: layout style;
}

/* ── Offline mode visual polish ──────────────────────────── */
.offline-banner {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 10001;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 16px;
  background: rgba(255,200,64,.12);
  border-top: 1px solid rgba(255,200,64,.25);
  color: #f0c040; font-size: .8rem; font-weight: 600;
  backdrop-filter: blur(10px);
  animation: slideUp .3s var(--ease-spring);
}
@keyframes slideUp { from{transform:translateY(100%);}to{transform:none;} }

/* ── Fast-mode indicator (when using lightweight model) ──── */
.cx-fast-mode-pill {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 2px 10px; border-radius: var(--r-full);
  background: rgba(0,255,163,.08); border: 1px solid rgba(0,255,163,.2);
  color: var(--green-text); font-size: .7rem; font-weight: 700;
  font-family: var(--font-mono); letter-spacing: .04em;
}

/* ── Intelligent token budget indicator ──────────────────── */
.cx-token-bar {
  height: 2px; border-radius: var(--r-full); overflow: hidden;
  background: var(--surface-3); margin: 4px 0;
  contain: layout style;
}
.cx-token-bar-fill {
  height: 100%; border-radius: var(--r-full);
  background: var(--grad-accent);
  transition: width .4s var(--ease);
  transform-origin: left;
}
.cx-token-bar-fill.warn { background: linear-gradient(90deg, var(--accent), #f0c040); }
.cx-token-bar-fill.critical { background: linear-gradient(90deg, #f0c040, var(--red)); }

/* ── Memory context compression indicator ────────────────── */
.cx-mem-compressed {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 1px 8px; border-radius: var(--r-full);
  background: rgba(124,58,237,.08); border: 1px solid rgba(124,58,237,.18);
  color: var(--violet); font-size: .68rem; font-family: var(--font-mono);
}

/* ── Retry bar polish ────────────────────────────────────── */
.retry-bar {
  contain: layout style;
}

/* ── Reduced-paint chat scroll ───────────────────────────── */
.chat-scroll {
  will-change: scroll-position;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
}

/* ── Thinking row: contain layout ────────────────────────── */
.thinking-row {
  contain: layout style;
  will-change: contents;
}

/* ── Smooth instant composer resize ─────────────────────────*/
.composer-input {
  overflow: hidden;
  resize: none;
}

/* ── Agent mode UI ───────────────────────────────────────── */
.cx-agent-indicator {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border-radius: var(--r-full);
  background: linear-gradient(135deg, rgba(0,229,255,.08), rgba(124,58,237,.08));
  border: 1px solid rgba(0,229,255,.18);
  color: var(--text-2); font-size: .74rem; font-weight: 700;
  font-family: var(--font-mono); letter-spacing: .04em;
  animation: agentPulse 2.4s ease-in-out infinite;
}
.cx-agent-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--grad-accent); flex-shrink: 0;
}
@keyframes agentPulse {
  0%,100% { border-color: rgba(0,229,255,.18); }
  50% { border-color: rgba(0,229,255,.36); }
}

/* ── Context depth visual feedback ──────────────────────── */
.cx-ctx-depth-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px; border-radius: var(--r-full);
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--text-4); font-size: .68rem; font-family: var(--font-mono);
  transition: border-color .2s, color .2s;
}
.cx-ctx-depth-badge[data-depth="deep"] { border-color: var(--border-3); color: var(--accent); }
.cx-ctx-depth-badge[data-depth="standard"] { border-color: var(--border-2); color: var(--text-3); }

/* ── Message streaming cursor ────────────────────────────── */
@keyframes cursorBlink {
  0%,100% { opacity: 1; }
  50% { opacity: 0; }
}
.streaming-cursor {
  display: inline-block;
  width: 2px; height: 1em;
  background: var(--accent);
  margin-left: 1px;
  vertical-align: text-bottom;
  border-radius: 1px;
  animation: cursorBlink 1s ease-in-out infinite;
  box-shadow: 0 0 6px var(--accent-glow);
}

/* ── Performance: prevent costly paint during chat scroll ── */
@media (max-width: 700px) {
  .msg-row:not(.user) .msg-bubble::before {
    display: none; /* remove gradient overlay on mobile */
  }
  .sidebar::after {
    display: none; /* remove decorative line on mobile */
  }
  .topbar::after {
    display: none; /* remove gradient underline on mobile */
  }
  .composer-area::before {
    display: none; /* remove gradient overline on mobile */
  }
}

/* ── Better focus visible for accessibility ──────────────── */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--r-sm);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

/* ── Improved skeleton loading ───────────────────────────── */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.skel-line, .sb-skel-item {
  animation: shimmer 1.8s ease-in-out infinite;
  background: linear-gradient(90deg, var(--surface-2) 25%, var(--surface-3) 50%, var(--surface-2) 75%);
  background-size: 200% 100%;
}

/* ── Multi-toast container (stacking toasts) ─────────────── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 16px;
  z-index: 99999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
  max-width: 340px;
}
.toast-item {
  pointer-events: auto;
  padding: 10px 16px;
  border-radius: var(--r-xl);
  background: var(--surface-3);
  border: 1px solid var(--border-2);
  color: var(--text-1);
  font-size: .83rem;
  font-weight: 500;
  box-shadow: var(--sh-lg);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  animation: toastIn .28s var(--ease-spring);
  contain: layout style;
  transform: translateZ(0);
}
.toast-item[data-type="err"]     { border-color: rgba(255,59,92,.3); background: rgba(255,59,92,.10); color: var(--red); }
.toast-item[data-type="ok"]      { border-color: rgba(0,255,163,.2); background: rgba(0,255,163,.08); color: var(--green-text); }
.toast-item[data-type="warning"] { border-color: rgba(255,200,64,.25); background: rgba(255,200,64,.08); color: #f0c040; }
@keyframes toastIn  { from{opacity:0;transform:translateY(12px) scale(.95);}to{opacity:1;transform:none;} }
.toast-out { animation: toastOut .22s var(--ease) forwards; }
@keyframes toastOut { to{opacity:0;transform:translateY(6px) scale(.96);} }

/* ── fonts-loaded guard to prevent FOUT layout shift ──────── */
html:not(.fonts-loaded) .welcome-heading,
html:not(.fonts-loaded) .auth-sheet-title,
html:not(.fonts-loaded) .sb-brand {
  font-family: system-ui, sans-serif;
}

/* ═══════════════════════════════════════════════════════════
   CYANIX AI — Image-Accurate UI Overhaul
   • Topbar brand logo replaces plain title
   • Settings gear replaces hamburger
   • TTS waveform spectrum beside composer
   • Full mobile + desktop responsive
═══════════════════════════════════════════════════════════ */

/* ── Topbar: brand identity (image-accurate) ──────────────── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  height: var(--topbar-h);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: 100;
  flex-shrink: 0;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex: 1;
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.topbar-brand-icon {
  display: flex;
  align-items: center;
  filter: drop-shadow(0 0 6px rgba(0,229,255,0.5));
  flex-shrink: 0;
}

.topbar-brand-icon svg circle {
  animation: topbarIconPulse 3s ease-in-out infinite;
}

@keyframes topbarIconPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.topbar-brand-name {
  font-family: var(--font-brand);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.topbar-brand-name em {
  font-style: normal;
  background: linear-gradient(90deg, #00e5ff, #7c3aed);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Hide chat title text in topbar now that brand is shown */
.topbar .chat-title {
  font-size: 0.8rem;
  color: var(--text-3);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
  flex-shrink: 1;
}

/* Settings gear button — topbar */
.topbar-settings-btn {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: var(--r);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-2);
  transition: color .2s, background .2s, transform .3s var(--ease-spring);
}

.topbar-settings-btn:hover {
  color: var(--accent);
  background: var(--accent-soft);
}

.topbar-settings-btn:hover svg {
  animation: settingsSpin 0.6s var(--ease-in-out);
}

@keyframes settingsSpin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(90deg); }
}

/* ── Composer Row: box + spectrum side by side ───────────── */
.cx-composer-row {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  width: 100%;
  max-width: 780px;
  margin: 0 auto;
  padding: 0 12px;
  position: relative;
}

/* Keep existing composer-box but contained in row */
.cx-composer-row .composer-box {
  flex: 1;
  min-width: 0;
  margin: 0;
  max-width: none;
}

/* ── TTS Waveform Spectrum ───────────────────────────────── */
.cx-tts-spectrum {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 36px;
  padding: 4px 2px;
  flex-shrink: 0;
  opacity: 0.25;
  transition: opacity 0.4s var(--ease);
}

/* When TTS is active, spectrum lights up and waves */
.cx-tts-spectrum.speaking {
  opacity: 1;
}

.cx-spectrum-bar {
  width: 3px;
  border-radius: 2px;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent-glow);
  min-height: 4px;
  height: 8px;
  transform-origin: bottom center;
  transition: height 0.1s ease;
}

/* Idle state — gentle static wave shape */
.cx-tts-spectrum:not(.speaking) .cx-spectrum-bar:nth-child(1) { height: 6px; }
.cx-tts-spectrum:not(.speaking) .cx-spectrum-bar:nth-child(2) { height: 10px; }
.cx-tts-spectrum:not(.speaking) .cx-spectrum-bar:nth-child(3) { height: 8px; }
.cx-tts-spectrum:not(.speaking) .cx-spectrum-bar:nth-child(4) { height: 14px; }
.cx-tts-spectrum:not(.speaking) .cx-spectrum-bar:nth-child(5) { height: 8px; }
.cx-tts-spectrum:not(.speaking) .cx-spectrum-bar:nth-child(6) { height: 10px; }
.cx-tts-spectrum:not(.speaking) .cx-spectrum-bar:nth-child(7) { height: 6px; }

/* Speaking animations — each bar gets own offset for organic wave */
.cx-tts-spectrum.speaking .cx-spectrum-bar {
  animation: spectrumWave 0.6s ease-in-out infinite alternate;
}
.cx-tts-spectrum.speaking .cx-spectrum-bar:nth-child(1) {
  animation-duration: 0.55s; animation-delay: 0s;
  --bar-max: 8px; --bar-min: 4px;
}
.cx-tts-spectrum.speaking .cx-spectrum-bar:nth-child(2) {
  animation-duration: 0.45s; animation-delay: 0.08s;
  --bar-max: 24px; --bar-min: 6px;
}
.cx-tts-spectrum.speaking .cx-spectrum-bar:nth-child(3) {
  animation-duration: 0.7s; animation-delay: 0.04s;
  --bar-max: 18px; --bar-min: 5px;
}
.cx-tts-spectrum.speaking .cx-spectrum-bar:nth-child(4) {
  animation-duration: 0.38s; animation-delay: 0.12s;
  --bar-max: 28px; --bar-min: 8px;
}
.cx-tts-spectrum.speaking .cx-spectrum-bar:nth-child(5) {
  animation-duration: 0.62s; animation-delay: 0.06s;
  --bar-max: 20px; --bar-min: 5px;
}
.cx-tts-spectrum.speaking .cx-spectrum-bar:nth-child(6) {
  animation-duration: 0.5s; animation-delay: 0.1s;
  --bar-max: 16px; --bar-min: 4px;
}
.cx-tts-spectrum.speaking .cx-spectrum-bar:nth-child(7) {
  animation-duration: 0.58s; animation-delay: 0.02s;
  --bar-max: 10px; --bar-min: 4px;
}

@keyframes spectrumWave {
  from { height: var(--bar-min, 4px); }
  to   { height: var(--bar-max, 20px); }
}

/* ── Composer: match image styling (light glass box) ─────── */
.composer-box {
  border-radius: var(--r-xl) !important;
  background: var(--glass-bg) !important;
  border: 1px solid var(--glass-border) !important;
  backdrop-filter: var(--glass-blur) !important;
  -webkit-backdrop-filter: var(--glass-blur) !important;
  box-shadow: 0 4px 32px rgba(0,229,255,0.08), 0 1px 0 rgba(0,229,255,0.12) inset, var(--sh) !important;
  transition: box-shadow .25s var(--ease), border-color .25s var(--ease) !important;
}

.composer-box:focus-within {
  border-color: rgba(0,229,255,0.22) !important;
  box-shadow: 0 0 0 2px rgba(0,229,255,0.08), 0 8px 40px rgba(0,229,255,0.12), var(--sh-lg) !important;
}

/* ── Footer buttons: match image (+ doc mic icons) ────────── */
.cx-foot-btn {
  width: 30px;
  height: 30px;
  border-radius: var(--r-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
  background: var(--surface-2);
  border: 1px solid var(--border);
  transition: color .15s, background .15s, border-color .15s;
  flex-shrink: 0;
}

.cx-foot-btn:hover {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: var(--border-2);
}

/* Send button: cyan pill (matches image) */
.cx-send-v2.send-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00e5ff, #00b8cc) !important;
  color: #050810 !important;
  border: none !important;
  box-shadow: 0 2px 12px rgba(0,229,255,0.4) !important;
  transition: transform .2s var(--ease-spring), box-shadow .2s !important;
}

.cx-send-v2.send-btn:hover {
  transform: scale(1.08) !important;
  box-shadow: 0 4px 20px rgba(0,229,255,0.6) !important;
}

/* ── Composer area container ────────────────────────────── */
.composer-area {
  padding: 8px 0 10px;
  background: transparent;
  position: relative;
}

/* ── Mobile responsive adjustments ──────────────────────── */
@media (max-width: 600px) {
  .topbar-brand-name {
    font-size: 0.95rem;
  }

  .cx-composer-row {
    padding: 0 8px;
    gap: 8px;
  }

  .cx-tts-spectrum {
    height: 30px;
    gap: 2.5px;
  }

  .cx-spectrum-bar {
    width: 2.5px;
  }

  /* On very small screens hide brand text, keep icon */
  .topbar .chat-title {
    display: none;
  }
}

@media (max-width: 400px) {
  .topbar-brand-name {
    display: none;
  }
}

/* ── Desktop: wider composer area ─────────────────────────── */
@media (min-width: 900px) {
  .cx-composer-row {
    max-width: 820px;
    padding: 0 20px;
  }

  .cx-tts-spectrum {
    height: 40px;
    gap: 3.5px;
  }

  .cx-spectrum-bar {
    width: 3.5px;
  }
}


/* ═══════════════════════════════════════════════════════════
   CYANIX AI — Pill Composer (matches reference image)
   Single-row: [+] [textarea] [mic] [send-wave-circle]
   Remove hint bar entirely, full pill border-radius
═══════════════════════════════════════════════════════════ */

/* Hide the hint text completely */
.composer-hint { display: none !important; }

/* ── Pill composer box ──────────────────────────────────── */
.composer-box,
.cx-composer-v2 {
  border-radius: 9999px !important;
  padding: 0 6px 0 10px !important;
  min-height: 52px !important;
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  gap: 0 !important;
  background: var(--glass-bg) !important;
  border: 1px solid var(--glass-border) !important;
  backdrop-filter: var(--glass-blur) !important;
  -webkit-backdrop-filter: var(--glass-blur) !important;
  box-shadow: 0 2px 24px rgba(0,229,255,0.07), 0 1px 0 rgba(0,229,255,0.10) inset, var(--sh) !important;
}

.composer-box:focus-within,
.cx-composer-v2:focus-within {
  border-color: rgba(0,229,255,0.20) !important;
  box-shadow: 0 0 0 2px rgba(0,229,255,0.07), 0 6px 32px rgba(0,229,255,0.11), var(--sh-lg) !important;
}

/* Hide the separate body/footer sections — flatten into one row */
.cx-composer-body {
  flex: 1 !important;
  min-width: 0 !important;
  display: flex !important;
  align-items: center !important;
}

.cx-composer-footer {
  display: flex !important;
  align-items: center !important;
  gap: 4px !important;
  padding: 0 !important;
  border: none !important;
  background: none !important;
}

/* Hide the file-btn (doc icon) to match image — image only shows +, mic, send */
#file-btn { display: none !important; }

/* Left attach (+) button */
#attach-btn.cx-foot-btn {
  width: 32px !important;
  height: 32px !important;
  border-radius: 50% !important;
  background: none !important;
  border: none !important;
  color: var(--text-2) !important;
  flex-shrink: 0 !important;
  font-size: 1.3rem !important;
}
#attach-btn.cx-foot-btn:hover {
  color: var(--text-1) !important;
  background: var(--surface-2) !important;
}

/* Textarea in pill */
.composer-input,
.cx-input-v2 {
  background: transparent !important;
  border: none !important;
  outline: none !important;
  resize: none !important;
  padding: 14px 8px !important;
  font-size: 0.95rem !important;
  color: var(--text-1) !important;
  line-height: 1.5 !important;
  min-height: unset !important;
  max-height: 140px !important;
  overflow-y: auto !important;
  width: 100% !important;
}

.composer-input::placeholder,
.cx-input-v2::placeholder {
  color: var(--text-3) !important;
}

/* Mic button (voice) — plain icon, no box */
#voice-btn.cx-foot-btn {
  width: 32px !important;
  height: 32px !important;
  border-radius: 50% !important;
  background: none !important;
  border: none !important;
  color: var(--text-3) !important;
  flex-shrink: 0 !important;
}
#voice-btn.cx-foot-btn:hover {
  color: var(--text-1) !important;
  background: var(--surface-2) !important;
}

/* ═══════════════════════════════════════════════════════════
   SEND BUTTON — unified 3-state system
   empty  → grey, disabled, not clickable
   ready  → accent colour, arrow up icon
   stop   → red, square icon, pulsing
═══════════════════════════════════════════════════════════ */
.cx-send-v2.send-btn,
#send-btn.send-btn {
  width: 36px !important;
  height: 36px !important;
  border-radius: 50% !important;
  border: none !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  flex-shrink: 0 !important;
  cursor: pointer !important;
  transition: background .18s ease, transform .18s var(--ease-spring), box-shadow .18s ease, opacity .18s ease !important;
  /* Default: empty/disabled state */
  background: var(--surface-3, rgba(255,255,255,0.08)) !important;
  color: var(--text-3, rgba(255,255,255,0.3)) !important;
  box-shadow: none !important;
  opacity: 0.5 !important;
}

/* SVG always visible — no ::after waveform override */
.cx-send-v2.send-btn svg,
#send-btn.send-btn svg {
  display: block !important;
  pointer-events: none;
}
.cx-send-v2.send-btn::after,
#send-btn.send-btn::after {
  display: none !important;
}

/* READY — has text */
.cx-send-v2.send-btn.ready,
#send-btn.send-btn.ready {
  background: var(--accent, #4af0c4) !important;
  color: #050810 !important;
  box-shadow: 0 2px 14px rgba(74,240,196,0.45) !important;
  opacity: 1 !important;
}
.cx-send-v2.send-btn.ready:hover,
#send-btn.send-btn.ready:hover {
  transform: scale(1.1) !important;
  box-shadow: 0 4px 22px rgba(74,240,196,0.65) !important;
}
.cx-send-v2.send-btn.ready:active,
#send-btn.send-btn.ready:active {
  transform: scale(0.92) !important;
}

/* STOP — generating */
.cx-send-v2.send-btn.stop,
#send-btn.send-btn.stop {
  background: var(--red, #ff3b5c) !important;
  color: #fff !important;
  box-shadow: 0 2px 12px rgba(255,59,92,0.5) !important;
  opacity: 1 !important;
  animation: stopPulse 1.4s ease-in-out infinite !important;
  cursor: pointer !important;
}
.cx-send-v2.send-btn.stop:hover,
#send-btn.send-btn.stop:hover {
  background: #e8002a !important;
  animation: none !important;
  transform: scale(1.08) !important;
}

/* EMPTY — visual only, button still technically clickable but handleSend guards it */
.cx-send-v2.send-btn.empty,
#send-btn.send-btn.empty {
  cursor: default !important;
}

@media (max-width: 600px) {
  .cx-send-v2.send-btn, #send-btn.send-btn {
    width: 34px !important;
    height: 34px !important;
  }
}

.cx-attach-strip:not(.hidden) {
  border-radius: 12px 12px 0 0 !important;
  margin-bottom: 4px !important;
}

/* Keep composer-counter hidden (not needed in pill UI) */
#composer-counter { display: none !important; }

/* ── Mobile pill adjustments ──────────────────────────────── */
@media (max-width: 600px) {
  .composer-box, .cx-composer-v2 {
    min-height: 48px !important;
  }
  .cx-send-v2.send-btn, #send-btn.send-btn {
    width: 36px !important;
    height: 36px !important;
  }
}


/* ═══════════════════════════════════════════════════════════
   CYANIX AI — Dynamic Pill Composer v2
   • Full pill shape
   • Spectrum send btn (idle) → arrow send btn (has text)
   • No side spectrum, no STT mic button
   • Smooth animated transitions throughout
═══════════════════════════════════════════════════════════ */

/* -- Reset any previous composer overrides ----------------- */
.composer-area { padding: 10px 0 14px; background: transparent; }
.composer-hint { display: none !important; }
.cx-composer-row { display: none !important; }
.cx-tts-spectrum { display: none !important; }
#voice-btn, .cx-mic-foot { display: none !important; }
#file-btn { display: none !important; }

/* -- Pill wrapper ------------------------------------------ */
.cx-pill-wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 14px;
}

/* -- The pill itself --------------------------------------- */
.cx-pill {
  display: flex;
  flex-direction: column;
  border-radius: 9999px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  box-shadow:
    0 2px 0 rgba(255,255,255,0.04) inset,
    0 4px 28px rgba(0,229,255,0.06),
    0 1px 4px rgba(0,0,0,0.4);
  transition:
    border-color .25s ease,
    box-shadow .25s ease,
    border-radius .3s ease;
  overflow: hidden;
}

/* When attachment strip is visible, top corners stay rounded */
.cx-pill:has(.cx-attach-strip:not(.hidden)) {
  border-radius: 22px;
}

/* Focus glow */
.cx-pill:focus-within {
  border-color: rgba(0,229,255,0.22);
  box-shadow:
    0 2px 0 rgba(255,255,255,0.05) inset,
    0 0 0 3px rgba(0,229,255,0.07),
    0 8px 36px rgba(0,229,255,0.10),
    0 1px 4px rgba(0,0,0,0.4);
}

/* -- Pill inner row ---------------------------------------- */
.cx-pill-row {
  display: flex;
  align-items: center;
  padding: 6px 6px 6px 8px;
  gap: 4px;
  min-height: 52px;
}

/* -- Attach (+) button ------------------------------------ */
.cx-pill-attach {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: none;
  border: none;
  color: var(--text-3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: color .18s, background .18s, transform .18s var(--ease-spring);
}
.cx-pill-attach:hover {
  color: var(--text-1);
  background: var(--surface-3);
  transform: rotate(90deg) scale(1.1);
}
.cx-pill-attach:active { transform: rotate(90deg) scale(0.95); }

/* -- Textarea -------------------------------------------- */
.cx-pill-input {
  flex: 1;
  background: transparent !important;
  border: none !important;
  outline: none !important;
  resize: none !important;
  padding: 10px 6px !important;
  font-family: var(--font) !important;
  font-size: 0.95rem !important;
  color: var(--text-1) !important;
  line-height: 1.55 !important;
  min-height: unset !important;
  max-height: 180px !important;
  overflow-y: auto !important;
  scrollbar-width: thin;
  scrollbar-color: var(--border-2) transparent;
  transition: color .15s;
}
.cx-pill-input::placeholder { color: var(--text-4) !important; }
.cx-pill-input::-webkit-scrollbar { width: 3px; }
.cx-pill-input::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 9999px; }

/* -- Send button ------------------------------------------ */
.cx-pill-send {
  width: 40px;
  height: 40px;
  border-radius: 50% !important;
  background: linear-gradient(135deg, #00c8ff 0%, #0070d0 100%) !important;
  border: none !important;
  color: #fff !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  flex-shrink: 0 !important;
  position: relative !important;
  overflow: hidden !important;
  box-shadow: 0 2px 12px rgba(0,160,255,0.45) !important;
  transition:
    transform .2s var(--ease-spring),
    box-shadow .2s ease,
    background .3s ease !important;
}

.cx-pill-send:hover {
  transform: scale(1.08) !important;
  box-shadow: 0 4px 22px rgba(0,160,255,0.65) !important;
}
.cx-pill-send:active { transform: scale(0.94) !important; }

/* -- Spectrum (idle state — bars inside send button) ------- */
.cx-send-spectrum {
  display: flex;
  align-items: center;
  gap: 2.5px;
  position: absolute;
  inset: 0;
  justify-content: center;
  transition: opacity .22s ease, transform .22s ease;
  opacity: 1;
  transform: scale(1);
}

.cx-ss-bar {
  width: 2.5px;
  border-radius: 9999px;
  background: rgba(255,255,255,0.9);
  transform-origin: bottom center;
  animation: ssIdle 1.2s ease-in-out infinite alternate;
}

/* Staggered heights + timings for organic look */
.cx-ss-bar:nth-child(1) { height: 8px;  animation-duration: 0.9s;  animation-delay: 0s; }
.cx-ss-bar:nth-child(2) { height: 16px; animation-duration: 0.7s;  animation-delay: 0.1s; }
.cx-ss-bar:nth-child(3) { height: 22px; animation-duration: 0.55s; animation-delay: 0.05s; }
.cx-ss-bar:nth-child(4) { height: 16px; animation-duration: 0.8s;  animation-delay: 0.15s; }
.cx-ss-bar:nth-child(5) { height: 8px;  animation-duration: 1.0s;  animation-delay: 0.08s; }

@keyframes ssIdle {
  from { transform: scaleY(0.35); opacity: 0.7; }
  to   { transform: scaleY(1);    opacity: 1; }
}

/* -- Arrow (has-text state) -------------------------------- */
.cx-send-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  inset: 0;
  transition: opacity .22s ease, transform .22s ease;
  opacity: 0;
  transform: scale(0.5) translateY(6px);
}

/* -- State switching -------------------------------------- */

/* Empty state: spectrum visible, arrow hidden */
.cx-pill-send[data-empty="true"] .cx-send-spectrum {
  opacity: 1;
  transform: scale(1);
}
.cx-pill-send[data-empty="true"] .cx-send-arrow {
  opacity: 0;
  transform: scale(0.5) translateY(6px);
}

/* Has-text state: spectrum hides, arrow appears */
.cx-pill-send[data-empty="false"] .cx-send-spectrum {
  opacity: 0;
  transform: scale(0.5) translateY(-4px);
}
.cx-pill-send[data-empty="false"] .cx-send-arrow {
  opacity: 1;
  transform: scale(1) translateY(0);
}

/* Button bg shifts slightly when ready to send */
.cx-pill-send[data-empty="false"] {
  background: linear-gradient(135deg, #00e5ff 0%, #0090e0 100%) !important;
  box-shadow: 0 2px 16px rgba(0,200,255,0.55) !important;
}

/* -- Pill breathing glow animation (subtle) --------------- */
@keyframes pillBreath {
  0%, 100% { box-shadow: 0 2px 0 rgba(255,255,255,0.04) inset, 0 4px 28px rgba(0,229,255,0.06), 0 1px 4px rgba(0,0,0,0.4); }
  50%       { box-shadow: 0 2px 0 rgba(255,255,255,0.04) inset, 0 4px 36px rgba(0,229,255,0.10), 0 1px 4px rgba(0,0,0,0.4); }
}
.cx-pill { animation: pillBreath 4s ease-in-out infinite; }
.cx-pill:focus-within { animation: none; }

/* -- Attach strip when visible ----------------------------- */
.cx-attach-strip:not(.hidden) {
  margin: 8px 12px 0;
  border-radius: 12px;
  border: 1px solid var(--border-2);
  background: var(--surface-2);
  padding: 6px 10px;
}

/* -- Mobile ------------------------------------------------ */
@media (max-width: 600px) {
  .cx-pill-wrap { padding: 0 10px; }
  .cx-pill-row { min-height: 48px; padding: 5px 5px 5px 6px; }
  .cx-pill-send { width: 36px !important; height: 36px !important; }
  .cx-ss-bar:nth-child(3) { height: 18px; }
}


/* ═══════════════════════════════════════════════════════════
   CYANIX AI — Cleanup patch
   • Hide AI toolbar (Complix5 stages etc.)
   • Hide topbar brand / logo
   • Scroll-lock: streaming never hijacks user scroll position
═══════════════════════════════════════════════════════════ */

/* Hide AI toolbar injected above composer */
.cx-ai-toolbar { display: none !important; }

/* Hide leftover brand elements */
.topbar-brand,
.topbar-brand-icon,
.topbar-brand-name { display: none !important; }

/* Chat scroll: never snap during streaming */
.chat-scroll {
  overflow-y: auto;
  scroll-behavior: auto !important; /* JS controls smooth when needed */
  overscroll-behavior-y: contain;
}

/* Ensure messages container grows naturally without layout shifts */
#messages {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}


/* ══════════════════════════════════════════════════════════
   ACCURACY BADGE — fact-check & verification indicators
══════════════════════════════════════════════════════════ */
.cx-accuracy-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 10px;
  padding: 3px 9px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  opacity: 0;
  animation: cx-acc-fadein 0.4s 0.2s ease both;
  width: fit-content;
}
@keyframes cx-acc-fadein {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}
.cx-acc-icon { font-size: 0.78rem; line-height: 1; }
.cx-acc-label { line-height: 1; }

.cx-accuracy--checking {
  background: var(--bg-3, #2a2a2a);
  color: var(--text-4, #888);
  border-color: var(--border, #333);
  animation: cx-acc-pulse 1.2s ease infinite;
}
@keyframes cx-acc-pulse {
  0%, 100% { opacity: 0.6; }
  50%       { opacity: 1; }
}
.cx-accuracy--verified {
  background: #0d2e1a;
  color: #34d399;
  border-color: #1a4d2e;
}
.cx-accuracy--corrected {
  background: #1a2040;
  color: #818cf8;
  border-color: #2a3060;
}
.cx-accuracy--sensitive {
  background: #2d1f0a;
  color: #f59e0b;
  border-color: #4a3310;
}

/* Disclaimer blockquotes from getUncertaintyDisclaimer */
.msg-bubble blockquote {
  margin: 12px 0 0;
  padding: 8px 12px;
  border-left: 3px solid #f59e0b;
  background: #2d1f0a22;
  border-radius: 0 6px 6px 0;
  font-size: 0.8rem;
  color: var(--text-3, #aaa);
  line-height: 1.5;
}
.msg-bubble blockquote strong {
  color: #f59e0b;
  font-weight: 600;
}

/* Light theme overrides */
[data-theme="light"] .cx-accuracy--verified  { background: #ecfdf5; color: #059669; border-color: #a7f3d0; }
[data-theme="light"] .cx-accuracy--corrected { background: #eef2ff; color: #4f46e5; border-color: #c7d2fe; }
[data-theme="light"] .cx-accuracy--sensitive { background: #fffbeb; color: #d97706; border-color: #fde68a; }
[data-theme="light"] .cx-accuracy--checking  { background: #f3f4f6; color: #9ca3af; border-color: #e5e7eb; }
[data-theme="light"] .msg-bubble blockquote  { background: #fffbeb; border-left-color: #f59e0b; color: #92400e; }
[data-theme="light"] .msg-bubble blockquote strong { color: #b45309; }

/* ================================================================
   CYANIX WEB SEARCH — URL pill + source cards
================================================================ */

/* ── URL / Search reading pill (shown in typing-row) ─────────── */
.cx-url-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px 5px 8px;
  margin: 6px 0 2px 36px;
  background: rgba(0,229,255,0.06);
  border: 1px solid rgba(0,229,255,0.18);
  border-radius: 20px;
  font-size: 0.72rem;
  color: var(--text-2);
  font-family: var(--font, 'Cabinet Grotesk', sans-serif);
  letter-spacing: 0.01em;
  transition: opacity 0.35s ease, transform 0.35s ease;
  max-width: calc(100% - 60px);
}
.cx-url-pill.hidden {
  display: none;
}
.cx-url-pill__icon {
  color: var(--accent);
  flex-shrink: 0;
}
.cx-url-pill__spin {
  display: flex;
  align-items: center;
  color: var(--accent-dim);
}
.cx-url-pill__text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.cx-url-pill__text strong {
  color: var(--accent);
  font-weight: 600;
}
/* Done state — green flash then fade */
.cx-url-pill--done {
  border-color: rgba(0,255,163,0.25);
  background: rgba(0,255,163,0.05);
  color: var(--green-text);
}
.cx-url-pill--done .cx-url-pill__spin { display: none; }
.cx-url-pill--done .cx-url-pill__icon { color: var(--green-text); }

/* Search variant */
.cx-search-pill { margin-left: 36px; }

/* ── cx-spin keyframe (may already exist, safe to redefine) ──── */
@keyframes cx-spin {
  to { transform: rotate(360deg); }
}
.cx-spin {
  animation: cx-spin 0.8s linear infinite;
}

/* ── Browse source card (appended to AI bubble) ─────────────── */
.cx-browse-source {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding: 8px 12px 8px 10px;
  background: var(--surface-3, #111828);
  border: 1px solid var(--border-2, rgba(0,229,255,0.16));
  border-radius: 10px;
  text-decoration: none;
  color: var(--text-2);
  font-size: 0.75rem;
  font-family: var(--font, 'Cabinet Grotesk', sans-serif);
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.15s ease;
  max-width: 100%;
  overflow: hidden;
}
.cx-browse-source:hover {
  border-color: var(--accent);
  background: rgba(0,229,255,0.06);
  transform: translateY(-1px);
  text-decoration: none;
  color: var(--text-1);
}
.cx-browse-source__icon {
  color: var(--accent);
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.cx-browse-source__body {
  display: flex;
  flex-direction: column;
  gap: 1px;
  overflow: hidden;
  flex: 1;
}
.cx-browse-source__title {
  font-weight: 600;
  color: var(--text-1);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.77rem;
}
.cx-browse-source__domain {
  color: var(--text-3);
  font-size: 0.69rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.cx-browse-source__arrow {
  color: var(--text-4);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  transition: color 0.18s ease;
}
.cx-browse-source:hover .cx-browse-source__arrow {
  color: var(--accent);
}

/* Light theme */
[data-theme="light"] .cx-url-pill {
  background: rgba(37,99,235,0.06);
  border-color: rgba(37,99,235,0.18);
  color: #374151;
}
[data-theme="light"] .cx-url-pill__text strong { color: #2563eb; }
[data-theme="light"] .cx-url-pill--done {
  background: rgba(16,185,129,0.06);
  border-color: rgba(16,185,129,0.25);
  color: #059669;
}
[data-theme="light"] .cx-browse-source {
  background: #f8fafc;
  border-color: #e2e8f0;
  color: #374151;
}
[data-theme="light"] .cx-browse-source:hover {
  border-color: #2563eb;
  background: #eff6ff;
  color: #1e40af;
}
[data-theme="light"] .cx-browse-source__title { color: #1e293b; }
[data-theme="light"] .cx-browse-source__domain { color: #94a3b8; }
[data-theme="light"] .cx-browse-source__icon { color: #2563eb; }

/* ── URL pill error state ─────────────────────────────────────── */
.cx-url-pill--error {
  border-color: rgba(255,59,92,0.35);
  background: rgba(255,59,92,0.07);
  color: var(--red);
}
.cx-url-pill--error .cx-url-pill__icon { color: var(--red); }
.cx-url-pill--error .cx-url-pill__spin svg { color: var(--red); animation: none; }

/* ── Search source cards container ────────────────────────────────
   Renders underneath AI bubbles when web search results have URLs.
   Uses the same .cx-browse-source card style; adds a label row.
─────────────────────────────────────────────────────────────────── */
.cx-search-sources {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.cx-search-sources__label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: .69rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-4);
  font-family: var(--font-mono);
  margin-bottom: 2px;
}
/* Individual card — inherits all .cx-browse-source styles; just override display */
.cx-search-source-card {
  display: flex;
}

/* Light theme */
[data-theme="light"] .cx-search-sources {
  border-top-color: #e2e8f0;
}
[data-theme="light"] .cx-search-sources__label {
  color: #94a3b8;
}


/* ================================================================
   CODE INTERPRETER — VERIFICATION LOOP UI  (v14)
   Execution preview panel, updated badge states, spin animation
================================================================ */

/* ── Spinning badge icon for "Running…" state ─────────────────── */
@keyframes cx-badge-spin {
  to { transform: rotate(360deg); }
}
.cx-spin-badge {
  animation: cx-badge-spin 0.9s linear infinite;
  transform-origin: center;
  display: inline-block;
}

/* ── Code badge: updated "verified" = executed clean ─────────── */
.cx-code-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 8px;
  padding: 3px 10px 3px 8px;
  border-radius: var(--r-full);
  font-size: 0.69rem;
  font-weight: 600;
  font-family: var(--font-mono);
  letter-spacing: 0.03em;
  border: 1px solid transparent;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
  cursor: default;
}
.cx-code-badge svg { flex-shrink: 0; }

.cx-code-badge--checking,
.cx-code-badge--running {
  background: rgba(0,229,255,0.06);
  border-color: rgba(0,229,255,0.18);
  color: var(--accent-dim);
}
.cx-code-badge--verified {
  background: rgba(0,255,163,0.08);
  border-color: rgba(0,255,163,0.28);
  color: var(--green-text);
}
.cx-code-badge--fixed {
  background: rgba(124,58,237,0.10);
  border-color: rgba(124,58,237,0.30);
  color: #a78bfa;
}
.cx-code-badge--warning {
  background: rgba(245,158,11,0.10);
  border-color: rgba(245,158,11,0.30);
  color: #f59e0b;
}
.cx-code-badge--failed {
  background: var(--red-bg);
  border-color: rgba(255,59,92,0.25);
  color: var(--red);
}
/* ── Tree-sitter AST badge variant ───────────────────────────── */
/* Shown when Tree-sitter deep analysis ran (adds semantic hint)  */
.cx-code-badge--ast {
  position: relative;
}
.cx-code-badge--ast::after {
  content: attr(data-ast-hint);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  background: rgba(10,10,20,0.92);
  color: rgba(0,255,163,0.9);
  border: 1px solid rgba(0,255,163,0.22);
  border-radius: 5px;
  padding: 3px 8px;
  font-size: 0.68rem;
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease;
  z-index: 40;
}
.cx-code-badge--ast:hover::after {
  opacity: 1;
}

/* ── AST analysis in-progress shimmer ───────────────────────── */
/* Subtle scan-line shimmer during Tree-sitter parse             */
@keyframes cx-ast-scan {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.cx-code-badge--checking.cx-code-badge--ast-scanning {
  background-size: 200% 100%;
  animation: cx-ast-scan 1.4s linear infinite;
  background-image: linear-gradient(
    90deg,
    rgba(0,255,163,0.05) 0%,
    rgba(0,255,163,0.12) 40%,
    rgba(0,255,163,0.05) 100%
  );
}

/* ── Semantic chunk indicator strip ─────────────────────────── */
/* Faint tag shown on code blocks that were chunked by Tree-sitter */
.cx-ast-chunk-label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.67rem;
  font-family: var(--font-mono);
  color: rgba(0,255,163,0.45);
  padding: 2px 6px;
  border-radius: 3px;
  border: 1px solid rgba(0,255,163,0.12);
  margin: 0 0 4px 0;
  letter-spacing: 0.01em;
  opacity: 0.8;
  transition: opacity 0.2s;
}
.cx-ast-chunk-label:hover { opacity: 1; }

/* Light-mode overrides */
[data-theme="light"] .cx-code-badge--ast::after {
  background: rgba(255,255,255,0.96);
  color: #059669;
  border-color: rgba(5,150,105,0.25);
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}
[data-theme="light"] .cx-ast-chunk-label {
  color: rgba(5,150,105,0.6);
  border-color: rgba(5,150,105,0.18);
}

/* Updated flash animation for auto-fixed code blocks */
@keyframes cx-code-updated-flash {
  0%   { box-shadow: 0 0 0 0 rgba(124,58,237,0.55); }
  50%  { box-shadow: 0 0 0 6px rgba(124,58,237,0.15); }
  100% { box-shadow: 0 0 0 0 rgba(124,58,237,0); }
}
.cx-code-updated {
  animation: cx-code-updated-flash 1.1s ease-out;
}

/* ── Execution preview panel ──────────────────────────────────── */
.cx-exec-preview {
  margin: 6px 0 4px;
  border-radius: var(--r);
  border: 1px solid rgba(0,255,163,0.18);
  background: rgba(0,255,163,0.04);
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.55;
  animation: cx-exec-fade-in 0.22s var(--ease) both;
}
.cx-exec-preview--err {
  border-color: rgba(255,59,92,0.22);
  background: rgba(255,59,92,0.04);
}
@keyframes cx-exec-fade-in {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.cx-exec-preview-label {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  background: rgba(0,255,163,0.07);
  border-bottom: 1px solid rgba(0,255,163,0.12);
  font-size: 0.67rem;
  font-weight: 700;
  color: var(--green-text);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.cx-exec-preview-label--err {
  background: rgba(255,59,92,0.08);
  border-bottom-color: rgba(255,59,92,0.14);
  color: var(--red);
}

.cx-exec-preview-body {
  padding: 8px 12px;
  color: var(--text-2);
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 160px;
  overflow-y: auto;
}
.cx-exec-preview-body--err {
  color: #fca5a5;
}
.cx-exec-more {
  color: var(--text-4);
  font-size: 0.68rem;
  font-style: italic;
}

/* ── Sandbox output (user-triggered Run button) ───────────────── */
.code-sandbox {
  border-top: 1px solid var(--border);
  background: var(--surface-2);
}
.code-sandbox-output { padding: 0; }
.code-sandbox-preview { padding: 0; }
.sandbox-output {
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.6;
  max-height: 280px;
  overflow-y: auto;
}
.sandbox-line { padding: 1px 0; color: var(--text-2); }
.sandbox-log  { color: var(--text-1); }
.sandbox-err  { color: var(--red); display: flex; align-items: flex-start; gap: 6px; }
.sandbox-result { color: var(--accent); }
.sandbox-empty  { color: var(--text-4); font-style: italic; }
.sandbox-info   { color: var(--text-3); font-style: italic; }
.sandbox-arrow  { color: var(--accent); margin-right: 2px; }

/* ── Run button in code block header ──────────────────────────── */
.code-run-btn,
.code-lang-label,
.code-copy-btn,
.code-block-actions {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.code-run-btn {
  font-size: 0.72rem;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--accent-dim);
  padding: 3px 10px;
  border-radius: var(--r-full);
  border: 1px solid var(--border-2);
  background: var(--accent-soft);
  cursor: pointer;
  transition: background 0.15s var(--ease), color 0.15s var(--ease), border-color 0.15s var(--ease);
}
.code-run-btn:hover {
  background: var(--accent-mid);
  color: var(--accent);
  border-color: var(--border-3);
}
.code-copy-btn {
  font-size: 0.72rem;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--text-4);
  padding: 3px 10px;
  border-radius: var(--r-full);
  border: 1px solid var(--border);
  background: transparent;
  cursor: pointer;
  transition: color 0.15s var(--ease), border-color 0.15s var(--ease), background 0.15s var(--ease);
}
.code-copy-btn:hover { color: var(--accent); border-color: var(--border-2); background: var(--accent-soft); }
.code-lang-label {
  font-size: 0.70rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.10em;
  font-family: var(--font-mono);
}
.code-block-actions { gap: 6px; }

/* Light theme overrides */
[data-theme="light"] .cx-code-badge--checking,
[data-theme="light"] .cx-code-badge--running  { background: rgba(37,99,235,0.06); border-color: rgba(37,99,235,0.18); color: #2563eb; }
[data-theme="light"] .cx-code-badge--verified { background: #ecfdf5; border-color: #a7f3d0; color: #059669; }
[data-theme="light"] .cx-code-badge--fixed    { background: #f5f3ff; border-color: #c4b5fd; color: #7c3aed; }
[data-theme="light"] .cx-code-badge--warning  { background: #fffbeb; border-color: #fde68a; color: #d97706; }
[data-theme="light"] .cx-exec-preview         { border-color: rgba(16,185,129,0.25); background: rgba(16,185,129,0.04); }
[data-theme="light"] .cx-exec-preview--err    { border-color: rgba(220,38,38,0.20); background: rgba(220,38,38,0.04); }
[data-theme="light"] .cx-exec-preview-label   { background: rgba(16,185,129,0.08); border-bottom-color: rgba(16,185,129,0.15); color: #059669; }
[data-theme="light"] .cx-exec-preview-label--err { background: rgba(220,38,38,0.07); border-bottom-color: rgba(220,38,38,0.12); color: #dc2626; }
[data-theme="light"] .cx-exec-preview-body    { color: #374151; }
[data-theme="light"] .cx-exec-preview-body--err { color: #b91c1c; }
[data-theme="light"] .code-run-btn  { color: #2563eb; background: #eff6ff; border-color: #bfdbfe; }
[data-theme="light"] .code-run-btn:hover { background: #dbeafe; border-color: #93c5fd; }
[data-theme="light"] .sandbox-output { background: #f8fafc; }
[data-theme="light"] .sandbox-log  { color: #1e293b; }
[data-theme="light"] .sandbox-err  { color: #dc2626; }
[data-theme="light"] .sandbox-result { color: #2563eb; }


/* ── Refinement indicator — subtle pill shown while completing ── */
.cx-refinement-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  padding: 5px 11px 5px 9px;
  background: rgba(0,229,255,0.06);
  border: 1px solid rgba(0,229,255,0.20);
  border-radius: 20px;
  font-size: 0.71rem;
  color: var(--accent-dim);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  animation: cx-refine-pulse 1.6s ease-in-out infinite;
}
.cx-refinement-indicator svg {
  animation: cx-spin 1.2s linear infinite;
  flex-shrink: 0;
}
@keyframes cx-refine-pulse {
  0%, 100% { opacity: 0.7; }
  50%       { opacity: 1;   }
}

/* ── Benchmark / Evaluation badge (for devtools display) ──────── */
.cx-eval-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.68rem;
  font-weight: 600;
  font-family: var(--font-mono);
  padding: 2px 8px;
  border-radius: var(--r-full);
  border: 1px solid;
  letter-spacing: 0.04em;
}
.cx-eval-badge--pass  { background: var(--green-bg);         border-color: rgba(0,255,163,0.25); color: var(--green-text); }
.cx-eval-badge--fail  { background: var(--red-bg);           border-color: rgba(255,59,92,0.25); color: var(--red);        }
.cx-eval-badge--check { background: var(--accent-soft);      border-color: var(--border-2);      color: var(--accent-dim); }

/* ── Feedback row appended to AI messages ────────────────────── */
.cx-feedback-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
}
.msg-bubble:hover .cx-feedback-row,
.msg-bubble:focus-within .cx-feedback-row {
  opacity: 1;
  transform: translateY(0);
}
.cx-feedback-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-3);
  transition: border-color 0.15s var(--ease), background 0.15s var(--ease), color 0.15s var(--ease), transform 0.15s var(--ease-spring);
  cursor: pointer;
  flex-shrink: 0;
}
.cx-feedback-btn:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
  transform: scale(1.08);
}
.cx-feedback-btn.active-pos {
  border-color: var(--green);
  background: var(--green-bg);
  color: var(--green-text);
}
.cx-feedback-btn.active-neg {
  border-color: var(--red);
  background: var(--red-bg);
  color: var(--red);
}
.cx-feedback-label {
  font-size: 0.68rem;
  color: var(--text-4);
  font-family: var(--font-mono);
  flex: 1;
}

[data-theme="light"] .cx-refinement-indicator {
  background: rgba(37,99,235,0.05);
  border-color: rgba(37,99,235,0.20);
  color: #2563eb;
}
[data-theme="light"] .cx-feedback-btn { border-color: #e2e8f0; color: #94a3b8; }
[data-theme="light"] .cx-feedback-btn:hover { border-color: #2563eb; background: #eff6ff; color: #2563eb; }


/* ═══════════════════════════════════════════════════════════════
   STREAMING UX / ERROR HANDLING / CROSS-PLATFORM v19
   ─────────────────────────────────────────────────────────────
   1. Streaming progress bar & phase badges
   2. Enhanced skeleton screens
   3. Thought-stage indicators (search / browse / think / respond)
   4. Graceful error states (inline + toast + banner)
   5. Offline / reconnect feedback
   6. iOS safe-area & PWA polish
   7. Cross-platform input normalization
═══════════════════════════════════════════════════════════════ */

/* ── 1. Streaming progress bar ────────────────────────────────── */
.cx-stream-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  z-index: 9999;
  pointer-events: none;
  overflow: hidden;
  opacity: 0;
  transition: opacity .2s ease;
}
.cx-stream-bar.active {
  opacity: 1;
}
.cx-stream-bar::after {
  content: '';
  display: block;
  height: 100%;
  width: 45%;
  background: linear-gradient(90deg, transparent, var(--accent), var(--violet, #8b5cf6), var(--accent), transparent);
  animation: cx-stream-sweep 1.4s ease-in-out infinite;
  border-radius: 2px;
}
@keyframes cx-stream-sweep {
  0%   { transform: translateX(-120%); }
  100% { transform: translateX(320%); }
}

/* ── 2. Thought-phase badges in typing-row ─────────────────────── */
.cx-phase-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px 3px 7px;
  border-radius: 20px;
  font-size: 0.71rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  font-family: var(--font-mono);
  border: 1px solid transparent;
  transition: all .22s ease;
  flex-shrink: 0;
  white-space: nowrap;
}
.cx-phase-badge--think {
  background: rgba(99,102,241,.10);
  border-color: rgba(99,102,241,.28);
  color: #a5b4fc;
}
.cx-phase-badge--search {
  background: rgba(0,229,255,.08);
  border-color: rgba(0,229,255,.22);
  color: var(--accent);
}
.cx-phase-badge--browse {
  background: rgba(16,185,129,.08);
  border-color: rgba(16,185,129,.22);
  color: #34d399;
}
.cx-phase-badge--write {
  background: rgba(245,158,11,.08);
  border-color: rgba(245,158,11,.22);
  color: #fbbf24;
}
.cx-phase-badge--refine {
  background: rgba(239,68,68,.08);
  border-color: rgba(239,68,68,.22);
  color: #f87171;
}
.cx-phase-badge svg {
  flex-shrink: 0;
  opacity: .85;
}

/* Phase badge entrance */
.cx-phase-badge {
  animation: phaseBadgeIn .2s var(--ease-spring, cubic-bezier(.34,1.56,.64,1)) both;
}
@keyframes phaseBadgeIn {
  from { opacity: 0; transform: scale(.85) translateY(3px); }
  to   { opacity: 1; transform: none; }
}

/* ── 3. Enhanced thinking-row with phase strip ─────────────────── */
.cx-phase-strip {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 5px;
  flex-wrap: wrap;
  min-height: 22px;
}

/* Elapsed time counter */
.cx-elapsed {
  font-size: 0.68rem;
  color: var(--text-4);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  margin-left: auto;
  flex-shrink: 0;
  opacity: 0.7;
}

/* ── 4. Skeleton screens — enhanced ────────────────────────────── */
/* Typing-row skeleton variant — shown on first load */
.cx-msg-skeleton {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 24px 16px;
  max-width: var(--msg-max);
  margin: 0 auto;
  width: 100%;
}
.cx-msg-skeleton.hidden { display: none !important; }

.cx-skel-msg {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.cx-skel-msg--user { flex-direction: row-reverse; }

.cx-skel-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--surface-3);
  flex-shrink: 0;
  animation: skeletonPulse 1.8s ease-in-out infinite;
}

.cx-skel-body {
  display: flex;
  flex-direction: column;
  gap: 7px;
  max-width: 68%;
}
.cx-skel-msg--user .cx-skel-body {
  align-items: flex-end;
  max-width: 55%;
}

.cx-skel-line {
  height: 11px;
  border-radius: 8px;
  background: linear-gradient(
    90deg,
    var(--surface-2) 0%,
    var(--surface-3) 30%,
    var(--surface-4, rgba(255,255,255,.06)) 50%,
    var(--surface-3) 70%,
    var(--surface-2) 100%
  );
  background-size: 250% 100%;
  animation: shimmerFast 1.5s ease-in-out infinite;
}
.cx-skel-line:nth-child(1) { width: 90%; animation-delay: 0s; }
.cx-skel-line:nth-child(2) { width: 75%; animation-delay: .1s; }
.cx-skel-line:nth-child(3) { width: 55%; animation-delay: .2s; }
.cx-skel-line--short { width: 40% !important; }
.cx-skel-line--code {
  height: 48px;
  border-radius: 8px;
  width: 100%;
  opacity: .6;
  animation-delay: .15s;
}

@keyframes shimmerFast {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
@keyframes skeletonPulse {
  0%, 100% { opacity: .5; }
  50%       { opacity: 1; }
}

/* ── 5. Graceful error states ──────────────────────────────────── */
/* Inline AI bubble error */
.cx-bubble-error {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  background: rgba(239,68,68,.07);
  border: 1px solid rgba(239,68,68,.22);
  border-radius: var(--r-lg, 12px);
  font-size: .84rem;
  color: var(--text-2);
  line-height: 1.6;
}
.cx-bubble-error__icon {
  color: var(--red, #ef4444);
  flex-shrink: 0;
  margin-top: 1px;
}
.cx-bubble-error__body {
  flex: 1;
  min-width: 0;
}
.cx-bubble-error__title {
  font-weight: 700;
  color: #f87171;
  margin-bottom: 3px;
  font-size: .82rem;
}
.cx-bubble-error__msg {
  font-size: .79rem;
  color: var(--text-3);
  font-family: var(--font-mono);
  word-break: break-all;
  margin-bottom: 8px;
}
.cx-bubble-error__actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.cx-bubble-error__btn {
  padding: 4px 12px;
  border-radius: var(--r-full, 999px);
  font-size: .76rem;
  font-weight: 700;
  cursor: pointer;
  transition: all .16s ease;
  border: 1px solid;
}
.cx-bubble-error__btn--retry {
  background: var(--red, #ef4444);
  border-color: var(--red, #ef4444);
  color: #fff;
}
.cx-bubble-error__btn--retry:hover { opacity: .85; transform: scale(.97); }
.cx-bubble-error__btn--dismiss {
  background: transparent;
  border-color: var(--border);
  color: var(--text-3);
}
.cx-bubble-error__btn--dismiss:hover { border-color: var(--accent); color: var(--accent); }

/* Rate limit / 429 specific */
.cx-bubble-error--ratelimit {
  background: rgba(245,158,11,.07);
  border-color: rgba(245,158,11,.25);
}
.cx-bubble-error--ratelimit .cx-bubble-error__icon,
.cx-bubble-error--ratelimit .cx-bubble-error__title { color: #fbbf24; }

/* Network error */
.cx-bubble-error--network {
  background: rgba(99,102,241,.07);
  border-color: rgba(99,102,241,.22);
}
.cx-bubble-error--network .cx-bubble-error__icon,
.cx-bubble-error--network .cx-bubble-error__title { color: #a5b4fc; }

/* ── 6. Improved offline banner ────────────────────────────────── */
.offline-banner {
  position: fixed !important;
  top: 0; left: 0; right: 0;
  display: flex !important;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  background: linear-gradient(135deg, #1a1200, #1c1408);
  border-bottom: 1px solid rgba(240,192,64,.22);
  color: #f0c040;
  font-size: .78rem;
  font-weight: 600;
  font-family: var(--font-mono);
  letter-spacing: .02em;
  z-index: 10000;
  transform: translateY(-100%);
  transition: transform .3s var(--ease-spring, cubic-bezier(.34,1.56,.64,1));
  padding-top: calc(8px + env(safe-area-inset-top, 0px));
}
.offline-banner:not(.hidden) {
  transform: translateY(0);
}
.offline-banner.hidden {
  display: none !important;
}

/* Back-online flash */
.offline-banner--online {
  background: linear-gradient(135deg, #001a0f, #001a0f);
  border-bottom-color: rgba(0,255,163,.22);
  color: var(--green-text, #00ffa3);
}

/* ── 7. Reconnecting spinner ───────────────────────────────────── */
.cx-reconnect-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #f0c040;
  animation: reconnectPulse 1.1s ease-in-out infinite;
  flex-shrink: 0;
}
@keyframes reconnectPulse {
  0%, 100% { opacity: .3; transform: scale(.7); }
  50%       { opacity: 1; transform: scale(1.1); }
}

/* ── 8. LLM unresponsive / slow indicator ──────────────────────── */
.cx-slow-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: rgba(245,158,11,.08);
  border: 1px solid rgba(245,158,11,.2);
  border-radius: 20px;
  font-size: .70rem;
  color: #fbbf24;
  font-family: var(--font-mono);
  font-weight: 600;
  animation: slowFadeIn .4s ease both;
  margin-top: 4px;
}
@keyframes slowFadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: none; }
}

/* ── 9. Enhanced cx-url-pill error state ───────────────────────── */
.cx-url-pill--error {
  background: rgba(239,68,68,.08);
  border-color: rgba(239,68,68,.28);
  color: #f87171;
}
.cx-url-pill--error .cx-url-pill__icon { color: #f87171; }
.cx-url-pill--error .cx-url-pill__spin { color: #f87171; }

/* Search pill success state */
.cx-search-pill--done {
  background: rgba(0,255,163,.05);
  border-color: rgba(0,255,163,.22);
  color: var(--green-text, #00ffa3);
}
.cx-search-pill--done .cx-url-pill__spin { display: none; }
.cx-search-pill--done .cx-url-pill__icon { color: var(--green-text, #00ffa3); }

/* Search pill error */
.cx-search-pill--error {
  background: rgba(239,68,68,.07);
  border-color: rgba(239,68,68,.25);
  color: #f87171;
}

/* ── 10. iOS / PWA safe area fixes ────────────────────────────── */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .composer-area {
    padding-bottom: calc(14px + env(safe-area-inset-bottom, 0px));
  }
  .retry-bar {
    bottom: calc(100% + env(safe-area-inset-bottom, 0px));
  }
  .thinking-row {
    padding-bottom: calc(8px + env(safe-area-inset-bottom, 0px) / 2);
  }
}

/* iOS overscroll bounce fix */
html, body {
  overscroll-behavior: none;
  -webkit-overflow-scrolling: touch;
}
.chat-scroll {
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
}

/* Prevent iOS input zoom (font-size < 16px triggers it) */
@media screen and (-webkit-min-device-pixel-ratio: 0) {
  .cx-pill-input,
  .composer-input,
  .auth-field,
  input[type="text"],
  input[type="email"],
  input[type="password"],
  input[type="search"],
  textarea,
  select {
    font-size: max(16px, 1em) !important;
  }
  /* But keep display font-size for non-input elements */
  .scr-select { font-size: 0.84rem !important; }
}

/* Fix iOS button tap delay */
button, a, [role="button"] {
  touch-action: manipulation;
}

/* Fix tap highlight on mobile */
* { -webkit-tap-highlight-color: transparent; }

/* ── 11. Streaming cursor variants ─────────────────────────────── */
/* Blinking cursor already exists; add color variants per theme */
[data-theme="neon"] .streaming-cursor {
  background: #00ff9d;
  box-shadow: 0 0 6px #00ff9d;
}
[data-theme="midnight"] .streaming-cursor {
  background: #818cf8;
}
[data-theme="light"] .streaming-cursor {
  background: #2563eb;
}

/* ── 12. Typing-row slow/fast shimmer on body ─────────────────── */
.cx-thinking--fast .cx-orb {
  animation-duration: 1s !important;
}
.cx-thinking--slow .cx-orb {
  animation-duration: 5s !important;
  opacity: .5;
}

/* ── 13. Error toast enhancements ─────────────────────────────── */
.toast-item[data-type="err"] {
  display: flex;
  align-items: center;
  gap: 8px;
}
.toast-item[data-type="err"]::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--red, #ef4444);
  flex-shrink: 0;
  animation: toastErrBlink 1.2s ease-in-out infinite;
}
@keyframes toastErrBlink {
  0%, 100% { opacity: .4; }
  50%       { opacity: 1; }
}

/* ── 14. Message retry inline button ─────────────────────────── */
.msg-retry-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: var(--r-full, 999px);
  font-size: .74rem;
  font-weight: 700;
  background: var(--surface-3);
  border: 1px solid var(--border);
  color: var(--text-2);
  cursor: pointer;
  transition: all .16s ease;
  flex-shrink: 0;
}
.msg-retry-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(0,229,255,.07);
}
.msg-retry-btn:active { transform: scale(.95); }

/* ── 15. Offline message queue indicator ─────────────────────── */
.cx-queued-msg {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: .70rem;
  color: var(--text-4);
  font-family: var(--font-mono);
  margin-top: 3px;
  opacity: .7;
}
.cx-queued-msg::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: #f0c040;
  animation: reconnectPulse 1.4s ease-in-out infinite;
}

/* ── 16. Sent / delivered tick on user bubble ─────────────────── */
.cx-msg-tick {
  font-size: .68rem;
  color: var(--text-4);
  display: flex;
  align-items: center;
  gap: 3px;
  margin-top: 3px;
  justify-content: flex-end;
  opacity: .7;
  transition: color .3s ease, opacity .3s ease;
}
.cx-msg-tick--sent   { color: var(--text-4); }
.cx-msg-tick--failed { color: var(--red, #ef4444); opacity: 1; }

/* ── 17. Thinking row phase timeline ─────────────────────────── */
.cx-phase-timeline {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-left: 58px;
  margin-top: -4px;
  padding-bottom: 6px;
}
.cx-phase-step {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: .70rem;
  color: var(--text-4);
  font-family: var(--font-mono);
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity .22s ease, transform .22s ease;
}
.cx-phase-step.visible {
  opacity: 1;
  transform: none;
}
.cx-phase-step--done { color: var(--green-text, #00ffa3); opacity: .7 !important; }
.cx-phase-step--active { color: var(--accent); opacity: 1 !important; }
.cx-phase-step__dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}
.cx-phase-step--active .cx-phase-step__dot {
  animation: thinkDot 1s ease-in-out infinite;
}

/* ── 18. Global transition for theme switches ─────────────────── */
*, *::before, *::after {
  transition-property: background-color, border-color, color, opacity;
  transition-duration: 0s; /* only when not streaming */
}
body.cx-theme-transition *, body.cx-theme-transition *::before, body.cx-theme-transition *::after {
  transition-duration: .22s !important;
  transition-timing-function: ease;
}

/* ── 19. Cross-platform scrollbar polish ─────────────────────── */
.chat-scroll::-webkit-scrollbar { width: 4px; }
.chat-scroll::-webkit-scrollbar-track { background: transparent; }
.chat-scroll::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
.chat-scroll::-webkit-scrollbar-thumb:hover { background: var(--accent-dim, rgba(0,229,255,.35)); }

/* Firefox */
.chat-scroll { scrollbar-width: thin; scrollbar-color: var(--border) transparent; }

/* ── 20. Stream progress bar position on iOS PWA ─────────────── */
@media (display-mode: standalone) {
  .cx-stream-bar {
    top: env(safe-area-inset-top, 0px);
  }
  .offline-banner {
    padding-top: calc(10px + env(safe-area-inset-top, 0px));
  }
}

/* ── 21. Keyboard-visible viewport fix (mobile) ─────────────── */
@media (max-height: 500px) and (max-width: 768px) {
  .chat-scroll {
    /* When keyboard is up, shrink to avoid overlap */
    max-height: calc(100dvh - 120px);
  }
  .composer-area {
    padding-bottom: 8px;
  }
}

/* Use dynamic viewport height everywhere that matters */
.chat-view { height: 100dvh; }
.chat-main { height: 100dvh; }

/* ── 22. Loading state for auth buttons ─────────────────────── */
.auth-btn--loading {
  position: relative;
  pointer-events: none;
  opacity: .7;
}
.auth-btn--loading span {
  opacity: 0;
}
.auth-btn--loading::after {
  content: '';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: inherit;
  border-radius: inherit;
}
.auth-btn--loading::before {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 18px; height: 18px;
  margin: -9px 0 0 -9px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  z-index: 1;
  animation: cx-spin .7s linear infinite;
}

/* ── 23. Error message inline (below field) ─────────────────── */
.cx-field-error {
  font-size: .74rem;
  color: var(--red, #ef4444);
  font-family: var(--font-mono);
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 5px;
  animation: phaseBadgeIn .18s ease both;
}
.cx-field-error::before {
  content: '⚠';
  font-style: normal;
}


/* ══════════════════════════════════════════════════════════
   MOBILE-FIRST OPTIMIZATIONS — TAP TARGETS, DENSITY, GESTURES
   ① 48×48 px minimum tap targets on all interactive elements
   ② Comfortable line-height & padding for message readability
   ③ Swipe-to-delete / long-press context menu foundations
   ④ Low-attention feedback: instant visual states, no spinners
══════════════════════════════════════════════════════════ */

/* ── ① Minimum 48×48 tap targets ─────────────────────────── */

/* Topbar icons */
.topbar-icon {
  min-width: 48px;
  min-height: 48px;
}

/* Sidebar nav buttons */
.sb-nav-btn {
  min-height: 48px;
  padding: 12px 10px;
}

/* New chat button */
.sb-new-btn {
  min-height: 48px;
  padding: 13px 14px;
}

/* Chat list items */
.chat-item {
  min-height: 48px;
  padding: 10px 9px;
}

/* Message action buttons (copy, retry, feedback) */
.msg-action-btn {
  min-height: 36px;
  min-width: 36px;
  padding: 8px 12px;
}

/* Feedback buttons */
.cx-feedback-btn {
  min-width: 36px;
  min-height: 36px;
}

/* Composer pill buttons */
.cx-pill-attach {
  min-width: 44px;
  min-height: 44px;
}

.cx-pill-send {
  min-width: 44px !important;
  min-height: 44px !important;
}

/* Auth buttons */
.oauth-btn {
  min-height: 52px;
}
.auth-btn {
  min-height: 52px;
}

/* Settings card rows — full-row tap */
.settings-card-row {
  min-height: 52px;
}

/* Toggle label hit area */
.toggle {
  min-width: 48px;
  min-height: 30px;
  display: inline-flex;
  align-items: center;
}

/* Theme chips */
.theme-chip {
  min-height: 40px;
  padding: 8px 16px;
}

/* Personality chips */
.p-chip {
  min-height: 40px;
  padding: 9px 16px;
}

/* Sidebar user button */
.sb-user-btn {
  min-height: 52px;
}

/* Retry / dismiss buttons in bars */
.retry-btn,
.verify-resend-btn,
.session-refresh-btn {
  min-height: 36px;
  padding: 6px 16px;
}

/* User menu items */
.um-item {
  min-height: 44px;
  padding: 11px 14px;
}

/* Modal close / back buttons */
.modal-close,
.modal-back-btn {
  min-width: 44px;
  min-height: 44px;
}

/* Sidebar collapse btn */
.sb-collapse-btn {
  min-width: 44px;
  min-height: 44px;
}

/* Code block copy / run buttons */
.code-block-copy,
.code-run-btn,
.code-copy-btn {
  min-height: 36px;
  padding: 6px 14px;
}

/* Voice overlay controls */
.cxv-mic-btn {
  min-width: 76px;
  min-height: 76px;
}
.cxv-end-btn {
  min-width: 56px;
  min-height: 56px;
}

/* Font size +/- buttons */
#font-size-down,
#font-size-up {
  min-width: 44px !important;
  min-height: 44px !important;
  width: 44px !important;
  height: 44px !important;
}

/* Memory delete button */
.mem-del {
  min-width: 36px;
  min-height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Chat item delete */
.ci-del {
  min-width: 36px;
  min-height: 36px;
}

/* Install banner buttons */
.install-banner-btn {
  min-height: 44px;
  padding: 10px 18px;
}
.install-banner-x {
  min-width: 44px;
  min-height: 44px;
}

/* ── ② Message density — comfortable line heights & padding ── */

/* AI bubble: more breathing room */
.msg-row:not(.user) .msg-bubble {
  padding: 6px 0 6px 14px;
  line-height: 1.85;
  font-size: 0.96rem;
}

/* User bubble */
.msg-row.user .msg-bubble {
  padding: 13px 18px;
  line-height: 1.7;
  font-size: 0.96rem;
}

/* Message rows: slightly more gap between them */
.messages {
  gap: 6px;
}

/* No horizontal scroll on messages — word-break protection */
.msg-bubble {
  overflow-wrap: break-word;
  word-break: break-word;
  overflow-x: hidden;
  max-width: 100%;
}

/* Code blocks: prevent horizontal bleed on mobile */
.code-block {
  max-width: 100%;
  overflow: hidden;
}
.code-block pre {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* Inline code: wrap safely */
.msg-bubble code {
  word-break: break-all;
  white-space: pre-wrap;
}

/* ── ③ Gesture-friendly interactions ─────────────────────── */

/* Swipe-to-reveal helper: chat items get a touch-friendly
   transition property so JS can animate translateX on swipe */
.chat-item {
  transition:
    background var(--dur-fast) var(--ease),
    transform .2s var(--ease),
    box-shadow .2s var(--ease);
  touch-action: pan-y;
  will-change: transform;
  position: relative;
}

/* Delete "swipe reveal" background strip */
.chat-item::after {
  content: '';
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 0;
  background: var(--red-bg);
  border-radius: var(--r-lg);
  transition: width .18s var(--ease);
  pointer-events: none;
  z-index: 0;
}

/* Show red strip when .swiping class is applied by JS */
.chat-item.swiping::after {
  width: 56px;
}

/* Long-press context menu base */
.cx-context-menu {
  position: fixed;
  z-index: 3000;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--r-xl);
  box-shadow: var(--sh-xl);
  backdrop-filter: var(--glass-blur);
  padding: 6px;
  min-width: 180px;
  animation: popIn .2s var(--ease-spring);
  pointer-events: auto;
}

.cx-context-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  min-height: 44px;
  border-radius: var(--r-lg);
  font-size: .88rem;
  color: var(--text-2);
  cursor: pointer;
  transition: background var(--dur-fast), color var(--dur-fast);
}
.cx-context-item:hover,
.cx-context-item:active {
  background: var(--surface-2);
  color: var(--text-1);
}
.cx-context-item--danger {
  color: var(--red);
}
.cx-context-item--danger:hover {
  background: var(--red-bg);
  color: var(--red);
}

/* Context menu overlay (dismisses on tap outside) */
.cx-context-overlay {
  position: fixed;
  inset: 0;
  z-index: 2999;
  background: transparent;
}

/* Message rows: long-press visual feedback */
.msg-row:not(.user) .msg-bubble {
  -webkit-user-select: text;
  user-select: text;
}

/* Long-press highlight flash */
.msg-row.long-press-active .msg-bubble {
  background: var(--accent-soft) !important;
  transition: background .1s ease;
}
.msg-row.user.long-press-active .msg-bubble {
  opacity: .75;
  transition: opacity .1s ease;
}

/* ── ④ Low-attention contexts: instant feedback ──────────── */

/* Send button active state: instant, no delay */
.cx-pill-send:active {
  transform: scale(0.92) !important;
  transition: transform .1s ease !important;
}

/* All buttons: snappier active press */
button:active {
  transform: scale(0.95);
  transition: transform .1s ease;
}

/* Loading skeleton: always visible, no fade-in delay */
.chat-skeleton:not(.hidden) {
  opacity: 1;
  animation: none;
}

/* Message send animation: quick */
.msg-row {
  animation-duration: .25s;
}

/* Toast appears instantly */
.toast-item {
  animation-duration: .18s;
}

/* Typing indicator: always visible when present */
.thinking-row:not(.hidden) {
  opacity: 1;
}

/* Action buttons on messages: show faster on mobile (touch = no hover delay) */
@media (hover: none) {
  .msg-actions {
    opacity: 1 !important;
    transform: none !important;
  }
  .msg-ts {
    opacity: 1 !important;
  }
  /* Context menu btn: always show on touch devices */
  .ci-del {
    opacity: 1 !important;
  }
  /* Feedback row: always visible */
  .cx-feedback-row {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* Send feedback: micro-bounce on message sent */
@keyframes sentBounce {
  0%   { transform: scale(1); }
  35%  { transform: scale(1.12); }
  70%  { transform: scale(0.96); }
  100% { transform: scale(1); }
}
.cx-pill-send.sent-flash {
  animation: sentBounce .32s var(--ease-spring) !important;
}

/* Clear visual indication when message is queued offline */
.msg-row.queued {
  opacity: .6;
}
.msg-row.queued .msg-bubble {
  border: 1px dashed var(--border-2);
}

/* ── Mobile-specific overrides (≤700px) ──────────────────── */
@media (max-width: 700px) {

  /* Topbar: full-height tap zone */
  .topbar {
    height: 56px;
    padding: 0 12px;
  }
  .topbar-icon {
    width: 48px;
    height: 48px;
  }

  /* Pill wrap: more padding so thumbs can reach */
  .cx-pill-wrap {
    padding: 0 12px;
  }
  .cx-pill-row {
    min-height: 56px;
    padding: 7px 7px 7px 10px;
  }
  .cx-pill-send {
    width: 44px !important;
    height: 44px !important;
  }
  .cx-pill-attach {
    width: 40px;
    height: 40px;
  }

  /* Composer area: more bottom padding for thumb reach */
  .composer-area {
    padding: 10px 0 calc(18px + env(safe-area-inset-bottom, 0px));
  }

  /* Messages: full-width on mobile, more padding */
  .messages {
    padding: 16px 12px 12px;
    gap: 8px;
  }
  .msg-content {
    max-width: 88%;
  }

  /* User bubbles: slightly smaller radius for denser screens */
  .msg-row.user .msg-bubble {
    border-radius: 18px 18px 4px 18px;
    padding: 12px 15px;
  }

  /* AI bubble: more left padding for readability */
  .msg-row:not(.user) .msg-bubble {
    padding: 6px 0 6px 16px;
    font-size: 0.95rem;
    line-height: 1.8;
  }

  /* Settings: full-row tap areas */
  .settings-card-row {
    padding: 16px;
    min-height: 56px;
  }

  /* Auth fields: comfortable touch */
  .auth-field {
    padding: 14px 16px;
    font-size: 16px; /* prevent iOS zoom */
  }
  .oauth-btn {
    padding: 14px 18px;
    min-height: 54px;
  }

  /* Sidebar: touch-friendly list items */
  .chat-item {
    min-height: 52px;
    padding: 11px 9px;
  }

  /* Modal sheets: full bottom sheet on mobile */
  .modal-sheet {
    border-radius: var(--r-2xl) var(--r-2xl) 0 0;
    max-height: 92vh;
  }

  /* Settings full page: slide covers full screen */
  .settings-fullpage {
    transform: translateX(0) translateY(100%);
    transition: transform .36s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  }
  .settings-fullpage:not(.hidden) {
    transform: translateX(0) translateY(0);
  }

  /* Toast: bottom center, above composer */
  .toast-container {
    bottom: calc(80px + env(safe-area-inset-bottom, 0px));
    right: unset;
    left: 50%;
    transform: translateX(-50%);
    width: min(360px, 90vw);
    align-items: center;
  }

  /* Context menu: full bottom sheet option when near bottom */
  .cx-context-menu {
    min-width: 220px;
  }

  /* Welcome cards: stack on very small screens */
  @media (max-width: 380px) {
    .welcome-cards {
      grid-template-columns: 1fr;
    }
  }

  /* Keyboard shortcut hints: hide on mobile (not useful) */
  .composer-hint {
    display: none !important;
  }

  /* Phase badges: slightly bigger for touch */
  .cx-phase-badge {
    padding: 5px 11px 5px 9px;
    font-size: 0.73rem;
  }

  /* Retry bar: pin to bottom, easy to tap */
  .retry-bar {
    left: 12px;
    right: 12px;
    transform: none;
    bottom: calc(100% + 8px);
    border-radius: var(--r-xl);
    justify-content: space-between;
  }
  .retry-bar.hidden {
    display: none !important;
  }
}

/* ── Tablet (701px – 900px) slight density reduction ─────── */
@media (min-width: 701px) and (max-width: 900px) {
  .msg-content {
    max-width: 84%;
  }
  .settings-card-row {
    min-height: 50px;
  }
}


/* ══════════════════════════════════════════════════════════
   MOBILE UI UPGRADE v2
   Bottom Nav · Sidebar Overlay · Topbar Icon Swap ·
   Composer Padding · Welcome & Auth Polish · Touch Ink
══════════════════════════════════════════════════════════ */

/* ── CSS variable for bottom nav height ─────────────────── */
:root { --bnav-h: 62px; }

/* ── Sidebar overlay (backdrop behind open sidebar) ─────── */
.sidebar-overlay {
  display: none;
  position: fixed; inset: 0; z-index: 48;
  background: rgba(5,8,16,.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  animation: fadeIn .22s var(--ease);
  cursor: pointer;
}
.sidebar-overlay.visible { display: block; }

/* ── Bottom navigation bar ───────────────────────────────── */
.cx-bottom-nav {
  /* Hidden on desktop; shown on mobile only */
  display: none;
}

@media (max-width: 700px) {

  /* Show only when chat is visible */
  .cx-bottom-nav.cx-bnav--visible {
    display: flex;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    height: calc(var(--bnav-h) + env(safe-area-inset-bottom, 0px));
    padding-bottom: env(safe-area-inset-bottom, 0px);
    background: rgba(9,13,26,0.96);
    backdrop-filter: blur(24px) saturate(160%);
    -webkit-backdrop-filter: blur(24px) saturate(160%);
    border-top: 1px solid var(--border-2);
    box-shadow: 0 -4px 24px rgba(0,0,0,.4);
    z-index: 90;
    align-items: center;
    justify-content: space-around;
    padding-left: env(safe-area-inset-left, 0px);
    padding-right: env(safe-area-inset-right, 0px);
  }

  /* Extend composer area upward to clear the bottom nav */
  .composer-area {
    padding-bottom: calc(var(--bnav-h) + 10px + env(safe-area-inset-bottom, 0px)) !important;
  }

  /* Toast: sit above the bottom nav */
  .toast-container {
    bottom: calc(var(--bnav-h) + 12px + env(safe-area-inset-bottom, 0px)) !important;
  }
  .toast {
    bottom: calc(var(--bnav-h) + 14px + env(safe-area-inset-bottom, 0px)) !important;
  }

  /* Retry bar: clear the bottom nav */
  .retry-bar {
    bottom: calc(var(--bnav-h) + 8px + env(safe-area-inset-bottom, 0px)) !important;
  }

  /* ── Bottom nav buttons ──────────────────────────────── */
  .cx-bnav-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    height: var(--bnav-h);
    color: var(--text-4);
    font-size: .6rem;
    font-weight: 700;
    font-family: var(--font-mono);
    letter-spacing: .05em;
    text-transform: uppercase;
    border-radius: var(--r-lg);
    transition: color .18s var(--ease), transform .18s var(--ease-spring);
    -webkit-tap-highlight-color: transparent;
    min-width: 64px;
  }
  .cx-bnav-btn:active {
    transform: scale(.84);
    color: var(--accent);
  }
  .cx-bnav-btn svg {
    transition: filter .18s var(--ease);
  }
  .cx-bnav-btn:active svg {
    filter: drop-shadow(0 0 6px var(--accent-glow));
  }

  /* ── FAB (centre new-chat button) ────────────────────── */
  .cx-bnav-fab {
    width: 52px;
    height: 52px;
    flex-shrink: 0;
    border-radius: 50%;
    background: var(--grad-accent);
    color: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 0 1px var(--border-2), 0 4px 20px var(--accent-glow), 0 2px 8px rgba(0,0,0,.5);
    transform: translateY(-8px); /* lift above bar */
    transition: transform .22s var(--ease-spring), box-shadow .22s var(--ease);
    -webkit-tap-highlight-color: transparent;
    position: relative;
    overflow: hidden;
    will-change: transform;
  }
  .cx-bnav-fab::after {
    content: '';
    position: absolute; inset: 0; border-radius: 50%;
    background: linear-gradient(135deg, rgba(255,255,255,.22), transparent 60%);
    pointer-events: none;
  }
  .cx-bnav-fab:active {
    transform: translateY(-8px) scale(.88);
    box-shadow: 0 2px 10px var(--accent-glow);
  }
  /* Pulse animation triggered by JS */
  .cx-bnav-fab--pulse {
    animation: fabPulse .4s var(--ease-spring);
  }
  @keyframes fabPulse {
    0%   { transform: translateY(-8px) scale(1); }
    35%  { transform: translateY(-8px) scale(1.18); box-shadow: 0 0 0 1px var(--border-2), 0 6px 30px var(--accent-glow); }
    70%  { transform: translateY(-8px) scale(.94); }
    100% { transform: translateY(-8px) scale(1); }
  }

  /* ── Topbar on mobile: swap settings gear for hamburger ── */
  .topbar-settings-btn svg {
    display: none;
  }
  .topbar-settings-btn::before {
    content: '';
    display: block;
    width: 18px; height: 2px;
    background: currentColor;
    border-radius: 2px;
    box-shadow: 0 -6px 0 currentColor, 0 6px 0 currentColor;
  }

  /* ── Topbar: more breathing room ─────────────────────── */
  .topbar { padding: 0 14px; }
  .topbar-left { gap: 12px; }
  .chat-title { font-size: .88rem; }

  /* ── Reduce topbar icon count on mobile ──────────────── */
  .topbar-settings-btn { order: -1; }

  /* ── Welcome: horizontal-scroll cards on very small ──── */
  @media (max-width: 400px) {
    .welcome-cards {
      display: flex;
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
      scroll-snap-type: x mandatory;
      grid-template-columns: unset;
      gap: 8px;
      padding-bottom: 6px;
    }
    .welcome-card {
      flex: 0 0 200px;
      scroll-snap-align: start;
    }
  }

  /* ── Welcome greeting: bigger on mobile ──────────────── */
  .welcome-heading { font-size: 1.7rem; }
  .welcome-sub { font-size: .9rem; }
  .welcome { gap: 18px; padding: 32px 8px 24px; }

  /* ── Auth: taller buttons, bigger font, less padding ─── */
  .auth-form-panel { padding: 36px 20px 28px; }
  .auth-sheet-title { font-size: 1.5rem; }
  .auth-mobile-brand { margin-bottom: 28px; }
  .auth-btn, .oauth-btn { min-height: 54px; font-size: 1rem; }
  .auth-field { font-size: 16px; padding: 14px 16px; }

  /* ── Thinking row: compact ────────────────────────────── */
  .thinking-row { padding: 6px 14px; }

  /* ── Message actions: show immediately on mobile touch ── */
  .msg-actions {
    opacity: 1 !important;
    transform: none !important;
  }

  /* ── Code blocks: show language badge more prominently ── */
  .code-block-lang { font-size: .75rem; }
  .code-block-header { padding: 8px 14px; }

  /* ── PWA standalone mode: extra top padding for status bar */
}

/* ── PWA: account for safe-area at top ───────────────────── */
@media (display-mode: standalone) and (max-width: 700px) {
  .topbar {
    padding-top: env(safe-area-inset-top, 0px);
    height: calc(var(--topbar-h) + env(safe-area-inset-top, 0px));
  }
  .chat-view { padding-top: 0; }
}

/* ── Ink ripple on any .cx-bnav-btn tap ──────────────────── */
@keyframes inkRipple {
  from { transform: scale(0); opacity: .4; }
  to   { transform: scale(3); opacity: 0; }
}

/* ══════════════════════════════════════════════════════════
   MOBILE UI FIX — cramped layout corrections
   Targets: avatar size, action button menu, bubble width,
   spacing, user bubble sizing, font scale
══════════════════════════════════════════════════════════ */

/* ── 1. AI avatar: constrain the icon image ──────────────
   icon-192x192.png was rendering unconstrained.
   The .ai-avatar container is 28px — make the img fill it. */
.ai-avatar img {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover;
  border-radius: 50%;
}

/* ── 2. Action button row: horizontal pill, not a column ─
   The .cx-msg-menu popup had zero CSS — it was a raw div
   with block buttons stacking vertically. Fix it to be a
   horizontal pill row like the desktop actions. */
.cx-msg-menu {
  display: none;
  position: absolute;
  bottom: calc(100% + 6px);
  left: 0;
  z-index: 200;
  flex-direction: row;
  align-items: center;
  gap: 4px;
  padding: 5px 6px;
  background: var(--surface);
  border: 1px solid var(--border-2);
  border-radius: var(--r-full);
  box-shadow: var(--sh-xl);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  white-space: nowrap;
  animation: popIn .18s var(--ease-spring);
}
.cx-msg-menu.open {
  display: flex;
}

/* The ... trigger button */
.cx-msg-more-btn {
  padding: 6px 10px !important;
  min-height: 32px !important;
  min-width: 32px !important;
}

/* Actions row needs relative positioning for the popup */
.msg-actions {
  position: relative;
}

/* Buttons inside the popup: compact icon-only */
.cx-msg-menu .msg-action-btn {
  padding: 6px 9px;
  min-height: 32px;
  min-width: 32px;
  font-size: .7rem;
}

/* ── 3. User bubble: fit content width, not 88% always ───
   Short messages like "Hello" shouldn't stretch to 88vw.
   Use inline-block on the bubble so it shrinks to content. */
.msg-row.user .msg-content {
  align-items: flex-end;
}
.msg-row.user .msg-bubble {
  display: inline-block;
  max-width: 100%;
  width: auto;
}

/* ── 4. Tighten vertical spacing between message parts ───
   timestamp and action row had too much gap */
.msg-content {
  gap: 2px;
}
.msg-ts {
  margin-top: 1px;
}
.msg-actions {
  padding-top: 2px;
}

/* ── 5. Mobile-specific overrides ────────────────────────*/
@media (max-width: 700px) {

  /* AI bubble: reduce line-height slightly — 1.85 was too airy */
  .msg-row:not(.user) .msg-bubble {
    font-size: 0.93rem;
    line-height: 1.72;
    padding: 4px 0 4px 12px;
  }

  /* User bubble: tighter padding, true fit-content width */
  .msg-row.user .msg-bubble {
    font-size: 0.93rem;
    line-height: 1.6;
    padding: 10px 14px;
    border-radius: 18px 18px 4px 18px;
  }

  /* Message content: pull max-width back slightly */
  .msg-content {
    max-width: 82%;
  }

  /* Messages container: reduce gaps */
  .messages {
    gap: 4px;
    padding: 12px 10px 10px;
  }

  /* Name label: tighter */
  .msg-name {
    margin-bottom: 0;
    padding-left: 2px;
  }

  /* Timestamp: smaller */
  .msg-ts {
    font-size: .66rem;
  }

  /* Action buttons: always show on touch, horizontal */
  .msg-actions {
    flex-wrap: nowrap;
    gap: 3px;
    padding: 2px 0 0;
  }

  /* Bump up avatar slightly for clarity */
  .ai-avatar {
    width: 26px;
    height: 26px;
  }
}

/* ══════════════════════════════════════════════════════════
   AUTH PANEL MOBILE FIX
   justify-content: center on a scrollable flex column pushes
   overflow upward — buttons scroll off the top of the viewport.
   On mobile: start from top, add safe padding at bottom instead.
══════════════════════════════════════════════════════════ */
@media (max-width: 899px) {
  .auth-form-panel {
    justify-content: flex-start !important;
    padding-top: 36px;
    padding-bottom: calc(40px + env(safe-area-inset-bottom, 0px));
  }
}


/* ══════════════════════════════════════════════════════════
   KG CITATION PANEL
   Shown while Cyanix is thinking — displays live knowledge
   graph sources being searched from cyanix_knowledge_graph
══════════════════════════════════════════════════════════ */

/* ── Panel container ─────────────────────────────────────── */
.cx-kg-panel {
  max-width: 760px;
  margin: 0 auto 6px;
  padding: 0 14px;
  animation: kgPanelIn .3s var(--ease-spring);
}

@keyframes kgPanelIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: none; }
}

/* ── Inner card ──────────────────────────────────────────── */
.cx-kg-panel-header {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 8px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border-2);
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  border-bottom: none;
}

/* When no sources are showing yet, round all corners */
.cx-kg-panel:not(.cx-kg-has-sources) .cx-kg-panel-header {
  border-radius: var(--r-lg);
  border-bottom: 1px solid var(--border-2);
}

/* ── Header icon ─────────────────────────────────────────── */
.cx-kg-panel-icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-soft);
  border: 1px solid var(--border-2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
  animation: kgIconPulse 2s ease-in-out infinite;
}

@keyframes kgIconPulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--accent-glow); }
  50%       { box-shadow: 0 0 0 5px rgba(0,229,255,0); }
}

/* ── Header title ─────────────────────────────────────────── */
.cx-kg-panel-title {
  font-size: .75rem;
  font-weight: 600;
  color: var(--text-3);
  font-family: var(--font-mono);
  letter-spacing: .03em;
  flex: 1;
}

/* ── Scanning dots ───────────────────────────────────────── */
.cx-kg-scan-dots {
  display: flex;
  gap: 3px;
  align-items: center;
}
.cx-kg-scan-dots span {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--accent);
  animation: kgDot 1.2s ease-in-out infinite;
}
.cx-kg-scan-dots span:nth-child(2) { animation-delay: .18s; }
.cx-kg-scan-dots span:nth-child(3) { animation-delay: .36s; }
@keyframes kgDot {
  0%, 80%, 100% { transform: scale(.5); opacity: .4; }
  40%            { transform: scale(1.1); opacity: 1; }
}

/* ── Sources list ────────────────────────────────────────── */
.cx-kg-sources {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-2);
  border-top: none;
  border-radius: 0 0 var(--r-lg) var(--r-lg);
  overflow: hidden;
  background: var(--surface);
}

/* ── Each source row ─────────────────────────────────────── */
.cx-kg-source-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-bottom: 1px solid var(--border);
  animation: kgRowIn .22s var(--ease-spring);
  transition: background .15s;
}
.cx-kg-source-row:last-child { border-bottom: none; }
.cx-kg-source-row:hover { background: var(--surface-2); }

@keyframes kgRowIn {
  from { opacity: 0; transform: translateX(-6px); }
  to   { opacity: 1; transform: none; }
}

/* ── Row: scan indicator ─────────────────────────────────── */
.cx-kg-row-scan {
  flex-shrink: 0;
  width: 14px;
  height: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Scanning state — spinning arc */
.cx-kg-row-scan.scanning svg {
  color: var(--accent);
  animation: kgSpin .7s linear infinite;
}
@keyframes kgSpin { to { transform: rotate(360deg); } }

/* Cited state — static green dot */
.cx-kg-row-scan.cited svg {
  color: var(--green-text);
  animation: none;
}

/* ── Row: label area ─────────────────────────────────────── */
.cx-kg-row-body {
  flex: 1;
  min-width: 0;
}

.cx-kg-row-topic {
  font-size: .75rem;
  font-weight: 600;
  color: var(--text-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cx-kg-row-meta {
  font-size: .68rem;
  color: var(--text-4);
  font-family: var(--font-mono);
  margin-top: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── Row: confidence badge ───────────────────────────────── */
.cx-kg-row-conf {
  flex-shrink: 0;
  font-size: .65rem;
  font-weight: 700;
  font-family: var(--font-mono);
  padding: 1px 6px;
  border-radius: var(--r-full);
  letter-spacing: .03em;
}

.cx-kg-row-conf.high  { background: var(--green-bg);  color: var(--green-text); }
.cx-kg-row-conf.med   { background: var(--accent-soft); color: var(--accent); }
.cx-kg-row-conf.low   { background: var(--surface-3); color: var(--text-4); }

/* ── "Cited" tick that replaces the spinner on match ──────── */
.cx-kg-row-scan.cited .cx-kg-spin { display: none; }

/* ── Done state: header turns green ─────────────────────── */
.cx-kg-panel.cx-kg-done .cx-kg-panel-icon {
  background: var(--green-bg);
  border-color: rgba(0,255,163,.2);
  color: var(--green-text);
  animation: none;
}
.cx-kg-panel.cx-kg-done .cx-kg-panel-title {
  color: var(--green-text);
}
.cx-kg-panel.cx-kg-done .cx-kg-scan-dots {
  display: none;
}
.cx-kg-panel.cx-kg-done .cx-kg-panel-header::after {
  content: '✓';
  font-size: .72rem;
  font-weight: 700;
  color: var(--green-text);
  font-family: var(--font-mono);
  margin-left: 2px;
}

/* ── Empty state: no KG data ─────────────────────────────── */
.cx-kg-empty {
  padding: 8px 12px;
  font-size: .73rem;
  color: var(--text-4);
  font-family: var(--font-mono);
  font-style: italic;
}

/* ── Mobile ──────────────────────────────────────────────── */
@media (max-width: 600px) {
  .cx-kg-panel { padding: 0 10px; }
  .cx-kg-panel-title { font-size: .72rem; }
  .cx-kg-row-topic { font-size: .72rem; }
  .cx-kg-row-meta { display: none; }
}

/* ── Light theme ─────────────────────────────────────────── */
[data-theme="light"] .cx-kg-panel-header { background: rgba(37,99,235,.04); }
[data-theme="light"] .cx-kg-sources { background: #fff; }
[data-theme="light"] .cx-kg-source-row:hover { background: rgba(37,99,235,.04); }