/* customize.css, premium 'Customize Experience' panel + cross-page tokens
   Loaded by every TalkBot page after styles.css.
   Drives: data-theme, data-accent, data-motion, data-audio-visuals, data-video-ambience, data-density
*/

/* ─────────── Accent palette (overrides --accent / --accent-2 from styles.css) ─────────── */
:root[data-accent="saffron"]  { --accent: oklch(0.78 0.16 70);  --accent-2: oklch(0.68 0.18 270); }
:root[data-accent="indigo"]   { --accent: oklch(0.70 0.18 270); --accent-2: oklch(0.78 0.14 195); }
:root[data-accent="emerald"]  { --accent: oklch(0.74 0.16 158); --accent-2: oklch(0.78 0.16 70);  }
:root[data-accent="electric"] { --accent: oklch(0.78 0.18 220); --accent-2: oklch(0.74 0.20 340); }

:root[data-theme="light"][data-accent="saffron"]  { --accent: oklch(0.72 0.16 70);  --accent-2: oklch(0.58 0.18 270); }
:root[data-theme="light"][data-accent="indigo"]   { --accent: oklch(0.62 0.18 270); --accent-2: oklch(0.66 0.14 195); }
:root[data-theme="light"][data-accent="emerald"]  { --accent: oklch(0.66 0.16 158); --accent-2: oklch(0.72 0.16 70);  }
:root[data-theme="light"][data-accent="electric"] { --accent: oklch(0.66 0.18 220); --accent-2: oklch(0.62 0.20 340); }

/* ─────────── Accent → remap site-wide --coral / --teal / --plum ─────────── */
:root[data-accent="saffron"]  { --coral: oklch(0.76 0.18 48);  --teal: oklch(0.78 0.14 175); --plum: oklch(0.68 0.18 300); }
:root[data-accent="indigo"]   { --coral: oklch(0.70 0.20 270); --teal: oklch(0.72 0.16 210); --plum: oklch(0.66 0.14 250); }
:root[data-accent="emerald"]  { --coral: oklch(0.74 0.18 158); --teal: oklch(0.76 0.17 95);  --plum: oklch(0.72 0.15 130); }
:root[data-accent="electric"] { --coral: oklch(0.72 0.22 215); --teal: oklch(0.70 0.22 335); --plum: oklch(0.68 0.20 270); }
:root[data-theme="light"][data-accent="saffron"]  { --coral: oklch(0.64 0.18 48);  --teal: oklch(0.60 0.14 175); --plum: oklch(0.56 0.18 300); }
:root[data-theme="light"][data-accent="indigo"]   { --coral: oklch(0.58 0.20 270); --teal: oklch(0.56 0.16 210); --plum: oklch(0.54 0.14 250); }
:root[data-theme="light"][data-accent="emerald"]  { --coral: oklch(0.62 0.18 158); --teal: oklch(0.60 0.17 95);  --plum: oklch(0.58 0.15 130); }
:root[data-theme="light"][data-accent="electric"] { --coral: oklch(0.58 0.22 215); --teal: oklch(0.56 0.22 335); --plum: oklch(0.54 0.20 270); }

/* ─────────── Motion / ambience / density global hooks ─────────── */
:root[data-motion="calm"] *,
:root[data-motion="calm"] *::before,
:root[data-motion="calm"] *::after { animation-duration: 0.001s !important; transition-duration: 0.12s !important; }
/* stop SVG SMIL — JS hook in customize.jsx pauses/resumes document.querySelectorAll('svg') */

:root[data-audio-visuals="off"] .audio-bars.playing .b { animation: none; background: var(--line-strong); }
:root[data-audio-visuals="off"] .tb-wave-bars span { animation: none !important; transform: scaleY(0.2) !important; }

:root[data-video-ambience="off"] .vshow-fallback-grad,
:root[data-video-ambience="off"] .vshow-fallback-orbs span,
:root[data-video-ambience="off"] .vshow-fallback-bars span { animation: none !important; }
:root[data-video-ambience="off"] .orb-glow,
:root[data-video-ambience="off"] .tb-orb,
:root[data-video-ambience="off"] .tb-hero-orb { animation: none !important; opacity: 0.12 !important; }

:root[data-density="compact"] .section { padding: 64px 0; }
:root[data-density="compact"] .section-head { margin-bottom: 32px; }
:root[data-density="compact"] .hero { padding: 64px 0 40px; }
:root[data-density="compact"] .tb-section { padding: 56px 0; }
:root[data-density="compact"] .tb-section + .tb-section { padding-top: 40px; }
:root[data-density="compact"] .tb-hero { padding-top: 80px; padding-bottom: 56px; }
:root[data-density="compact"] .tb-story { padding-top: 40px; padding-bottom: 40px; }
:root[data-density="spacious"] .tb-section { padding: 120px 0; }
:root[data-density="spacious"] .tb-hero { padding-top: 160px; padding-bottom: 120px; }

/* ─────────── Floating button (FAB) ─────────── */
.cx-fab {
  position: fixed; left: 20px; bottom: 20px; z-index: 90;
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 16px 10px 12px; border-radius: 999px;
  border: 1px solid color-mix(in oklch, var(--line-strong) 80%, transparent);
  background: color-mix(in oklch, var(--bg-card) 88%, transparent);
  backdrop-filter: blur(14px) saturate(150%);
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  color: var(--ink);
  font: 500 13px/1 'Geist', system-ui, sans-serif;
  cursor: pointer;
  box-shadow: 0 8px 30px -10px rgba(0,0,0,0.45), 0 1px 0 color-mix(in oklch, white 12%, transparent) inset;
  transition: transform .2s ease, box-shadow .2s ease;
}
.cx-fab:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -14px rgba(0,0,0,0.55), 0 1px 0 color-mix(in oklch, white 18%, transparent) inset; }
.cx-fab.is-open { transform: translateY(-2px) scale(0.96); opacity: 0.5; }
.cx-fab-orb {
  position: relative; width: 22px; height: 22px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  flex-shrink: 0;
  box-shadow: 0 0 0 2px color-mix(in oklch, var(--accent) 35%, transparent);
}
.cx-fab-ring {
  position: absolute; inset: -3px; border-radius: 50%;
  border: 1.5px solid color-mix(in oklch, var(--accent) 50%, transparent);
  animation: cx-ring 2.4s ease-out infinite;
}
.cx-fab-ring.r2 { animation-delay: 1.2s; }
@keyframes cx-ring {
  0%   { transform: scale(0.85); opacity: 0.9; }
  100% { transform: scale(1.8);  opacity: 0; }
}
:root[data-motion="calm"] .cx-fab-ring { animation: none; }
.cx-fab-label { letter-spacing: 0.01em; }

/* ─────────── Drawer panel ─────────── */
.cx-panel {
  position: fixed; left: 20px; bottom: 76px; z-index: 91;
  width: 340px; max-width: calc(100vw - 32px);
  max-height: calc(100vh - 110px);
  display: flex; flex-direction: column;
  border-radius: 18px;
  border: 1px solid var(--line-strong);
  background: color-mix(in oklch, var(--bg-card) 94%, transparent);
  backdrop-filter: blur(24px) saturate(170%);
  -webkit-backdrop-filter: blur(24px) saturate(170%);
  box-shadow: 0 30px 80px -24px rgba(0,0,0,0.55), 0 1px 0 color-mix(in oklch, white 8%, transparent) inset;
  overflow: hidden;
  transform: translateY(8px) scale(0.98);
  opacity: 0; pointer-events: none;
  transition: transform .22s cubic-bezier(.2,.8,.2,1), opacity .22s ease;
}
.cx-panel.is-open { transform: translateY(0) scale(1); opacity: 1; pointer-events: auto; }
.cx-panel::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 80% 40% at 0% 0%, color-mix(in oklch, var(--accent) 14%, transparent) 0%, transparent 60%);
}

.cx-head {
  position: relative; padding: 20px 18px 14px;
  display: flex; align-items: flex-start; justify-content: space-between; gap: 10px;
  border-bottom: 1px solid color-mix(in oklch, var(--line) 60%, transparent);
}
.cx-eyebrow {
  display: inline-flex; align-items: center; gap: 6px;
  font: 500 10.5px/1 'JetBrains Mono', monospace;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3);
}
.cx-eyebrow-dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 0 3px color-mix(in oklch, var(--accent) 30%, transparent);
}
.cx-title {
  font-family: 'Instrument Serif', serif;
  font-size: 22px; line-height: 1.05; letter-spacing: -0.01em;
  margin: 8px 0 4px; color: var(--ink);
}
.cx-title em { font-style: italic; color: var(--accent); }
.cx-sub { font-size: 12.5px; color: var(--ink-3); margin: 0; }
.cx-close {
  appearance: none; border: 1px solid var(--line); background: var(--bg-elev);
  width: 28px; height: 28px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-2); cursor: pointer; flex-shrink: 0;
}
.cx-close:hover { color: var(--ink); border-color: var(--line-strong); }

.cx-body {
  padding: 14px 18px 16px; display: flex; flex-direction: column; gap: 14px;
  overflow-y: auto; min-height: 0;
}
.cx-group { display: flex; flex-direction: column; gap: 8px; }
.cx-group-label {
  font: 500 11px/1 'JetBrains Mono', monospace;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3);
}

/* segmented control */
.cx-seg {
  position: relative; display: flex; padding: 3px;
  border-radius: 10px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
}
.cx-seg button {
  flex: 1; appearance: none; border: 0; background: transparent;
  padding: 8px 10px; font: 500 13px/1 'Geist', sans-serif; color: var(--ink-2);
  border-radius: 7px; cursor: pointer; transition: all .15s ease;
}
.cx-seg button[data-active="1"] {
  background: var(--bg-card);
  color: var(--ink);
  box-shadow: 0 1px 0 color-mix(in oklch, white 6%, transparent) inset, 0 2px 6px -1px rgba(0,0,0,0.18);
}
.cx-seg button:hover { color: var(--ink); }

/* accent swatches */
.cx-swatches {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px;
}
.cx-swatch {
  appearance: none; border: 1px solid var(--line);
  background: var(--bg-elev);
  border-radius: 10px; padding: 10px;
  display: flex; align-items: center; gap: 10px;
  cursor: pointer; transition: all .15s ease;
  color: var(--ink-2);
}
.cx-swatch:hover { border-color: var(--line-strong); color: var(--ink); }
.cx-swatch.is-active {
  border-color: var(--accent);
  background: color-mix(in oklch, var(--accent) 8%, var(--bg-card));
  color: var(--ink);
  box-shadow: 0 0 0 2px color-mix(in oklch, var(--accent) 25%, transparent);
}
.cx-swatch-dot {
  width: 22px; height: 22px; border-radius: 8px; flex-shrink: 0;
  box-shadow: 0 1px 4px rgba(0,0,0,0.25), 0 0 0 1px rgba(0,0,0,0.08) inset;
}
.cx-swatch-name { font-size: 13px; font-weight: 500; }

.cx-foot {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 18px; border-top: 1px solid color-mix(in oklch, var(--line) 60%, transparent);
  background: color-mix(in oklch, var(--bg-elev) 70%, transparent);
}
.cx-foot-meta { font-size: 10.5px; color: var(--ink-3); letter-spacing: 0.04em; }
.cx-reset {
  appearance: none; border: 1px solid var(--line); background: var(--bg-card);
  color: var(--ink-2); font: 500 12px 'Geist', sans-serif;
  padding: 6px 12px; border-radius: 7px; cursor: pointer;
}
.cx-reset:hover { color: var(--ink); border-color: var(--line-strong); }

/* mobile: stick to bottom edge */
@media (max-width: 600px) {
  .cx-fab { left: 12px; bottom: 12px; }
  .cx-panel {
    left: 12px; right: 12px; bottom: 68px; width: auto;
    max-height: calc(100vh - 90px);
  }
}

/* ─────────── Cross-page nav, page hero, feature grid (used by stub pages) ─────────── */
.page-hero {
  position: relative; padding: 112px 0 72px; overflow: hidden;
  isolation: isolate;
}
.page-hero-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(to right, var(--grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 75% 70% at 50% 0%, #000 25%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 75% 70% at 50% 0%, #000 25%, transparent 80%);
  opacity: 0.4;
}
.page-hero-glow {
  position: absolute; inset: -10% -10% auto -10%; height: 70%; pointer-events: none;
  background:
    radial-gradient(ellipse 50% 60% at 30% 0%, color-mix(in oklch, var(--accent) 28%, transparent) 0%, transparent 62%),
    radial-gradient(ellipse 50% 60% at 70% 0%, color-mix(in oklch, var(--accent-2) 22%, transparent) 0%, transparent 62%);
  filter: blur(56px);
}
.page-hero-glow::after {
  content: ""; position: absolute; inset: 25% 25% auto 25%; height: 28%;
  background: radial-gradient(ellipse at 50% 0%, color-mix(in oklch, white 10%, transparent) 0%, transparent 70%);
  filter: blur(32px);
}
:root[data-theme="light"] .page-hero-glow::after {
  background: radial-gradient(ellipse at 50% 0%, color-mix(in oklch, var(--accent) 14%, transparent) 0%, transparent 70%);
}
.page-hero-inner { position: relative; max-width: 880px; }
.page-hero h1 {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(42px, 6.4vw, 80px); line-height: 1.0; letter-spacing: -0.025em;
  margin: 18px 0 18px; text-wrap: balance;
}
.page-hero h1 em {
  font-style: italic;
  background: linear-gradient(110deg, var(--accent) 0%, var(--accent-2) 50%, var(--accent) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 4px 20px color-mix(in oklch, var(--accent) 30%, transparent));
  animation: hero-shimmer 8s linear infinite;
}
:root[data-motion="calm"] .page-hero h1 em { animation: none; }
.page-hero p.lede {
  font-size: clamp(16px, 1.4vw, 19px); color: var(--ink-2);
  max-width: 60ch; line-height: 1.6; margin: 0 0 28px; text-wrap: pretty;
}

@media (max-width: 720px) {
  .page-hero { padding: 76px 0 48px; }
  .page-hero h1 { font-size: clamp(34px, 8vw, 48px); margin: 14px 0 14px; }
  .page-hero-glow { height: 55%; filter: blur(42px); }
}

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 900px) { .feature-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .feature-grid { grid-template-columns: 1fr; } }
.feature-card {
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: 14px; padding: 22px;
  position: relative; overflow: hidden;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.feature-card::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 70% 50% at 0% 0%, color-mix(in oklch, var(--accent) 6%, transparent) 0%, transparent 60%);
  opacity: 0; transition: opacity .25s ease;
}
.feature-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-card);
}
.feature-card:hover::before { opacity: 1; }
.feature-card .num {
  font: 500 11px/1 'JetBrains Mono', monospace;
  color: var(--ink-3); letter-spacing: 0.08em; text-transform: uppercase;
  margin-bottom: 14px; display: block;
}
.feature-card h3 {
  font-family: 'Instrument Serif', serif;
  font-size: 22px; letter-spacing: -0.01em; line-height: 1.15;
  margin: 0 0 8px;
}
.feature-card p { color: var(--ink-2); font-size: 14.5px; line-height: 1.55; margin: 0; }

.cta-band {
  margin-top: 80px; padding: 56px 40px;
  border-radius: 22px; border: 1px solid var(--line);
  background:
    radial-gradient(ellipse 80% 60% at 100% 100%, color-mix(in oklch, var(--accent-2) 14%, transparent) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 0% 0%,    color-mix(in oklch, var(--accent) 14%, transparent) 0%, transparent 60%),
    var(--bg-card);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px;
}
.cta-band h3 {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(24px, 3vw, 36px); line-height: 1.1; letter-spacing: -0.015em; margin: 0 0 8px;
  max-width: 22ch;
}
.cta-band h3 em { color: var(--accent); font-style: italic; }
.cta-band p { color: var(--ink-2); margin: 0; font-size: 15px; max-width: 50ch; }
.cta-band-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* on-page nav highlighting */
.nav-links a.active { color: var(--ink); }
.nav-links a.active::after {
  content: ""; display: block; height: 2px; margin-top: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 2px;
}


/* ─────────── Scroll reveal (added by ScrollReveal observer) ─────────── */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .65s cubic-bezier(.2,.7,.2,1), transform .65s cubic-bezier(.2,.7,.2,1); }
.reveal.is-in { opacity: 1; transform: none; }
:root[data-motion="calm"] .reveal { opacity: 1; transform: none; transition: none; }

/* Stagger siblings */
.feature-grid .feature-card.reveal:nth-child(1).is-in { transition-delay: .00s; }
.feature-grid .feature-card.reveal:nth-child(2).is-in { transition-delay: .06s; }
.feature-grid .feature-card.reveal:nth-child(3).is-in { transition-delay: .12s; }
.feature-grid .feature-card.reveal:nth-child(4).is-in { transition-delay: .18s; }
.feature-grid .feature-card.reveal:nth-child(5).is-in { transition-delay: .24s; }
.feature-grid .feature-card.reveal:nth-child(6).is-in { transition-delay: .30s; }
.platform-arch .arch-col.reveal:nth-child(2).is-in { transition-delay: .08s; }
.platform-arch .arch-col.reveal:nth-child(3).is-in { transition-delay: .16s; }
.mg-tiles .mg-tile.reveal:nth-child(2).is-in { transition-delay: .08s; }
.mg-tiles .mg-tile.reveal:nth-child(3).is-in { transition-delay: .16s; }
.pricing3 .plan3.reveal:nth-child(2).is-in { transition-delay: .08s; }
.pricing3 .plan3.reveal:nth-child(3).is-in { transition-delay: .16s; }

/* ─────────── Premium hover boost on cards (global) ─────────── */
.arch-col, .mg-tile, .sol, .plan3, .feature-card, .inv-stat, .side-card {
  transition: transform .25s cubic-bezier(.2,.7,.2,1), border-color .2s ease, box-shadow .25s ease;
}
.arch-col:hover, .mg-tile:hover, .sol:hover, .plan3:not(.featured):hover, .inv-stat:hover, .side-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in oklch, var(--accent) 35%, var(--line-strong));
  box-shadow: 0 18px 40px -18px rgba(0,0,0,0.45);
}

/* ─────────── Animated accent dot used in eyebrows everywhere ─────────── */
.eyebrow .dot {
  animation: cx-pulse 2.4s ease-in-out infinite;
}
@keyframes cx-pulse {
  0%, 100% { box-shadow: 0 0 0 0 color-mix(in oklch, var(--accent) 40%, transparent); }
  50%      { box-shadow: 0 0 0 8px color-mix(in oklch, var(--accent) 0%, transparent); }
}
:root[data-motion="calm"] .eyebrow .dot { animation: none; }

/* ─────────── Mobile nav hamburger ─────────── */
.nav-toggle {
  display: none; position: relative; z-index: 60;
  width: 40px; height: 40px; border-radius: 10px;
  border: 1px solid var(--line); background: var(--bg-card); cursor: pointer;
  flex-direction: column; align-items: center; justify-content: center; gap: 4px;
}
.nav-toggle span {
  display: block; width: 18px; height: 2px; background: var(--ink);
  border-radius: 1px; transition: transform .2s ease, opacity .2s ease;
}
.nav.mobile-open .nav-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav.mobile-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav.mobile-open .nav-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed; top: 64px; left: 0; right: 0;
    background: color-mix(in oklch, var(--bg) 96%, transparent);
    backdrop-filter: blur(20px) saturate(160%);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch;
    padding: 18px 24px 24px; gap: 4px;
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: transform .22s ease, opacity .22s ease;
    max-height: calc(100vh - 64px); overflow-y: auto;
  }
  .nav.mobile-open .nav-links {
    transform: translateY(0); opacity: 1; pointer-events: auto;
  }
  .nav-links a {
    padding: 14px 4px; font-size: 18px;
    border-bottom: 1px dashed var(--line);
    font-family: 'Instrument Serif', serif; letter-spacing: -0.01em;
  }
  .nav-links a:last-child { border-bottom: 0; }
  .nav-links a.active::after { display: none; }
  .nav-cta .btn { padding: 8px 12px; font-size: 12px; }
}
html.nav-locked, html.nav-locked body { overflow: hidden; }

/* Compact logo on small screens */
@media (max-width: 480px) {
  .logo { font-size: 18px; }
  .logo img { width: 24px !important; height: 24px !important; }
}

/* ─────────── Mobile QA passes for stub pages ─────────── */
@media (max-width: 720px) {
  .page-hero { padding: 56px 0 36px; }
  .section { padding: 56px 0; }
  .cta-band { padding: 32px 22px; }
  .stat-band { padding: 22px !important; }
  .form-card { padding: 24px !important; }
  .demo-tabs { width: 100%; overflow-x: auto; flex-wrap: nowrap; }
  .demo-tabs button { white-space: nowrap; }
}

/* prevent horizontal scroll universally */
html, body { overflow-x: hidden; max-width: 100vw; }

/* ─────────── ChatBot ─────────── */
/* Collapsed pill, sits ABOVE the Customize FAB. Compact, glassy, never blocks CTA buttons */
.cb-fab {
  position: fixed; right: 20px; bottom: 84px; z-index: 90;
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 16px 6px 6px; border-radius: 999px;
  border: 1px solid color-mix(in oklch, var(--accent) 38%, var(--line-strong));
  background:
    linear-gradient(180deg, color-mix(in oklch, var(--bg-card) 92%, transparent) 0%, color-mix(in oklch, var(--bg-elev) 92%, transparent) 100%);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  color: var(--ink);
  font-family: 'Geist', system-ui, sans-serif;
  cursor: pointer;
  box-shadow:
    0 14px 40px -16px color-mix(in oklch, var(--accent) 60%, transparent),
    0 2px 8px -2px rgba(0,0,0,0.18),
    0 1px 0 color-mix(in oklch, white 14%, transparent) inset;
  transition: transform .22s cubic-bezier(.2,.8,.2,1), box-shadow .22s, border-color .22s, opacity .2s;
}
.cb-fab:hover {
  transform: translateY(-2px);
  border-color: color-mix(in oklch, var(--accent) 70%, var(--line-strong));
  box-shadow:
    0 22px 52px -16px color-mix(in oklch, var(--accent) 75%, transparent),
    0 1px 0 color-mix(in oklch, white 18%, transparent) inset;
}
.cb-fab.is-open {
  transform: translateY(-2px) scale(0.96);
  opacity: 1;
  pointer-events: auto;
  background: color-mix(in oklch, var(--accent) 14%, var(--bg-card));
  border-color: color-mix(in oklch, var(--accent) 40%, var(--line));
}
.cb-fab.is-open .cb-fab-label { display: none; }
.cb-fab.is-open .cb-fab-close-label { display: inline; }
.cb-fab-close-label { display: none; }

.cb-fab-orb {
  position: relative; width: 32px; height: 32px; flex-shrink: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--accent-ink);
  box-shadow:
    0 0 0 1px color-mix(in oklch, white 18%, transparent) inset,
    0 8px 18px -6px color-mix(in oklch, var(--accent) 70%, transparent);
}
.cb-fab-orb-glow {
  position: absolute; inset: -6px; border-radius: 50%;
  background: radial-gradient(circle, color-mix(in oklch, var(--accent) 40%, transparent) 0%, transparent 70%);
  filter: blur(8px); pointer-events: none;
  animation: cb-orb-glow 3.2s ease-in-out infinite;
}
@keyframes cb-orb-glow {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50%      { opacity: 1;   transform: scale(1.08); }
}
:root[data-motion="calm"] .cb-fab-orb-glow { animation: none; opacity: 0.7; }

.cb-fab-text {
  display: inline-flex; flex-direction: column; gap: 3px; align-items: flex-start;
  line-height: 1;
}
.cb-fab-label {
  font-size: 13px; font-weight: 600; color: var(--ink); letter-spacing: -0.005em;
}
.cb-fab-status {
  display: inline-flex; align-items: center; gap: 5px;
  font: 500 9.5px/1 'JetBrains Mono', monospace; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink-3);
}
.cb-fab-status .cb-online-dot {
  width: 5px; height: 5px;
}

/* Expanded panel */
.cb-panel {
  position: fixed; right: 20px; bottom: 84px; z-index: 91;
  width: 380px; max-width: calc(100vw - 32px);
  height: min(580px, calc(100vh - 110px));
  display: flex; flex-direction: column;
  border-radius: 22px;
  border: 1px solid color-mix(in oklch, var(--accent) 22%, var(--line-strong));
  background: color-mix(in oklch, var(--bg-card) 94%, transparent);
  backdrop-filter: blur(32px) saturate(180%);
  -webkit-backdrop-filter: blur(32px) saturate(180%);
  box-shadow:
    0 48px 110px -28px rgba(0,0,0,0.65),
    0 12px 32px -12px color-mix(in oklch, var(--accent) 35%, transparent),
    0 1px 0 color-mix(in oklch, white 10%, transparent) inset;
  overflow: hidden;
  transform: translateY(12px) scale(0.96);
  transform-origin: bottom right;
  opacity: 0; pointer-events: none;
  transition: transform .24s cubic-bezier(.2,.8,.2,1), opacity .2s ease;
}
.cb-panel.is-open { transform: translateY(0) scale(1); opacity: 1; pointer-events: auto; }
.cb-panel::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 70% 40% at 0% 0%, color-mix(in oklch, var(--accent) 18%, transparent) 0%, transparent 65%),
    radial-gradient(ellipse 55% 35% at 100% 100%, color-mix(in oklch, var(--accent-2) 16%, transparent) 0%, transparent 65%);
}

.cb-head {
  position: relative; padding: 18px 16px 14px 18px;
  display: flex; align-items: flex-start; gap: 12px;
  border-bottom: 1px solid color-mix(in oklch, var(--line) 60%, transparent);
}
.cb-avatar {
  position: relative; width: 40px; height: 40px; flex-shrink: 0;
  margin-top: 2px;
}
.cb-avatar-img {
  position: absolute; inset: 0; width: 40px; height: 40px;
  border-radius: 10px; object-fit: cover; display: block;
  box-shadow: 0 0 0 2px color-mix(in oklch, var(--accent) 28%, transparent);
}
.cb-avatar-orb {
  position: absolute; inset: 0; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  box-shadow:
    0 0 0 2px color-mix(in oklch, var(--accent) 28%, transparent),
    0 0 0 1px color-mix(in oklch, white 22%, transparent) inset;
}
.cb-avatar-orb::after {
  content: ""; position: absolute; right: -1px; bottom: -1px;
  width: 12px; height: 12px; border-radius: 50%;
  background: oklch(0.74 0.16 158);
  box-shadow: 0 0 0 2.5px var(--bg-card), 0 0 8px oklch(0.74 0.16 158);
}
.cb-avatar-pulse {
  position: absolute; inset: -5px; border-radius: 50%;
  border: 1.5px solid color-mix(in oklch, var(--accent) 50%, transparent);
  animation: cx-ring 2.4s ease-out infinite;
}
:root[data-motion="calm"] .cb-avatar-pulse { animation: none; }
.cb-head-text { flex: 1; min-width: 0; padding-right: 4px; }
.cb-head-name {
  font: 600 15px/1.2 'Geist', sans-serif; color: var(--ink);
  letter-spacing: -0.01em;
}
.cb-head-status {
  font: 400 12px/1.45 'Geist', sans-serif; color: var(--ink-3);
  margin-top: 4px;
  text-wrap: pretty;
}
.cb-close {
  appearance: none; border: 1px solid var(--line);
  background: color-mix(in oklch, var(--bg-elev) 70%, transparent);
  color: var(--ink-2); cursor: pointer;
  width: 28px; height: 28px; border-radius: 8px;
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: all .15s ease;
}
.cb-close:hover {
  border-color: var(--accent); color: var(--ink);
  background: color-mix(in oklch, var(--accent) 8%, var(--bg-elev));
}

.cb-stream {
  flex: 1; overflow-y: auto; padding: 16px;
  display: flex; flex-direction: column; gap: 12px;
  scroll-behavior: smooth;
}
.cb-row { display: flex; }
.cb-row.bot { justify-content: flex-start; }
.cb-row.me  { justify-content: flex-end; }
.cb-bubble {
  max-width: 84%; padding: 10px 14px; border-radius: 14px;
  font-size: 13.5px; line-height: 1.5;
  animation: cb-pop .25s cubic-bezier(.2,.8,.2,1);
}
@keyframes cb-pop { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.cb-bubble.bot {
  background: var(--bg-elev); border: 1px solid var(--line);
  color: var(--ink); border-top-left-radius: 4px;
}
.cb-bubble.me {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--accent-ink); border-top-right-radius: 4px;
  font-weight: 500;
}
.cb-bubble.welcome { background: color-mix(in oklch, var(--accent) 8%, var(--bg-elev)); border-color: color-mix(in oklch, var(--accent) 30%, var(--line)); }
.cb-bubble strong { color: var(--accent); font-weight: 600; }
.cb-cta {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 10px; padding: 6px 12px; border-radius: 999px;
  background: var(--accent); color: var(--accent-ink);
  font: 600 12px 'Geist', sans-serif; text-decoration: none;
  transition: transform .15s ease;
}
.cb-cta:hover { transform: translateX(2px); }

.cb-typing { display: inline-flex; gap: 4px; padding: 2px 0; }
.cb-typing i {
  width: 6px; height: 6px; border-radius: 50%; background: var(--ink-3);
  animation: cb-typing 1.2s ease-in-out infinite;
}
.cb-typing i:nth-child(2) { animation-delay: .15s; }
.cb-typing i:nth-child(3) { animation-delay: .30s; }
@keyframes cb-typing {
  0%, 100% { opacity: 0.3; transform: translateY(0); }
  50%      { opacity: 1;   transform: translateY(-3px); }
}

.cb-starters {
  display: flex; flex-direction: column; gap: 6px;
  margin-top: 10px;
}
.cb-starters-label {
  font: 500 10px/1 'JetBrains Mono', monospace;
  color: var(--ink-3); letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0 4px 6px; margin-bottom: 2px;
}
.cb-starter {
  appearance: none; text-align: left;
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  border: 1px solid var(--line);
  background: color-mix(in oklch, var(--bg-elev) 50%, transparent);
  color: var(--ink-2);
  padding: 10px 12px; border-radius: 10px;
  font: 400 13px/1.4 'Geist', sans-serif; cursor: pointer;
  transition: all .15s ease;
}
.cb-starter svg { color: var(--ink-3); flex-shrink: 0; transition: color .15s, transform .15s; }
.cb-starter:hover {
  border-color: color-mix(in oklch, var(--accent) 60%, var(--line));
  background: color-mix(in oklch, var(--accent) 7%, var(--bg-elev));
  color: var(--ink); transform: translateX(2px);
}
.cb-starter:hover svg { color: var(--accent); transform: translateX(2px); }

.cb-input {
  display: flex; gap: 8px;
  padding: 12px 14px;
  border-top: 1px solid color-mix(in oklch, var(--line) 60%, transparent);
  background: color-mix(in oklch, var(--bg-elev) 50%, transparent);
}
.cb-input input {
  flex: 1; appearance: none; border: 1px solid var(--line);
  background: var(--bg-card); color: var(--ink);
  padding: 10px 14px; border-radius: 10px;
  font: 400 13.5px 'Geist', sans-serif;
  transition: border-color .15s, box-shadow .15s;
}
.cb-input input:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--accent) 22%, transparent);
}
.cb-input button {
  appearance: none; border: 0; cursor: pointer; flex-shrink: 0;
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--accent-ink);
  display: flex; align-items: center; justify-content: center;
  transition: transform .15s ease;
}
.cb-input button:hover { transform: translateY(-1px); }
.cb-foot {
  text-align: center; font: 500 10px/1 'JetBrains Mono', monospace;
  color: var(--ink-3); padding: 8px 0 10px; letter-spacing: 0.04em;
}

@media (max-width: 600px) {
  .cb-fab {
    right: 12px; bottom: 76px;
    padding: 5px 14px 5px 5px;
  }
  .cb-fab-orb { width: 30px; height: 30px; }
  .cb-fab-label { font-size: 12.5px; }
  .cb-fab-status { display: none; }
  .cb-panel {
    right: 8px; left: 8px; bottom: 76px; width: auto;
    height: min(560px, calc(100vh - 110px));
  }
  .cx-fab { left: 12px; bottom: 12px; }
}