/* AceCue — design system.
   Calm, confidential, fast. Indigo-teal accent on a neutral base.
   [data-theme="dark"] on <html> flips the palette. --font-prefix is set by
   i18n.js to push Korean fonts to the front when needed. */

* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --font-prefix: ;
  --font: var(--font-prefix) -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Hiragino Sans", "Microsoft YaHei", "Malgun Gothic", Roboto, sans-serif;
  --mono: "SF Mono", "Cascadia Code", "JetBrains Mono", Consolas, monospace;

  --bg: #ffffff;
  --bg-soft: #f5f6fa;
  --bg-elev: #ffffff;
  --fg: #0e1016;
  --fg-soft: #5c6173;
  --fg-faint: #9aa0b4;
  --border: #e6e8f0;
  --accent: #4f6cff;
  --accent-2: #3a8fb7;
  --accent-fg: #ffffff;
  --ok: #16a34a;
  --warn: #b45309;
  --danger: #dc2626;
  --brand-gradient: linear-gradient(135deg, #4f6cff, #3a8fb7);
  --glow: 0 0 0 1px rgba(79, 108, 255, .15), 0 8px 30px rgba(79, 108, 255, .12);
  --shadow: 0 1px 3px rgba(16, 18, 30, .06), 0 10px 30px rgba(16, 18, 30, .05);
  --radius: 14px;
  --radius-lg: 20px;
  --transition: .35s cubic-bezier(.4, 0, .2, 1);
  --maxw: 1080px;
}

[data-theme="dark"] {
  --bg: #0b0d14;
  --bg-soft: #12141d;
  --bg-elev: #161925;
  --fg: #eef0f7;
  --fg-soft: #a4abc2;
  --fg-faint: #6b7187;
  --border: #232739;
  --accent: #6d86ff;
  --accent-2: #4fb6e0;
  --brand-gradient: linear-gradient(135deg, #6d86ff, #4fb6e0);
  --glow: 0 0 0 1px rgba(109, 134, 255, .25), 0 8px 40px rgba(109, 134, 255, .2);
  --shadow: 0 1px 3px rgba(0, 0, 0, .4), 0 12px 40px rgba(0, 0, 0, .35);
}

html, body { height: 100%; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background var(--transition), color var(--transition);
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; }

/* ---------- shared atoms ---------- */
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 17px; letter-spacing: -.02em; }
.brand .glyph {
  width: 30px; height: 30px; border-radius: 9px; background: var(--brand-gradient);
  display: grid; place-items: center; color: #fff; flex-shrink: 0; box-shadow: var(--glow);
}
.brand .glyph svg { width: 17px; height: 17px; }
.brand .name { background: var(--brand-gradient); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 1px solid transparent; border-radius: 11px; cursor: pointer;
  font-family: inherit; font-size: 14px; font-weight: 600; padding: 11px 18px;
  transition: transform .15s ease, background var(--transition), border-color var(--transition), opacity .2s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--brand-gradient); color: #fff; box-shadow: var(--glow); }
.btn.primary:hover { filter: brightness(1.05); }
.btn.ghost { background: var(--bg-soft); color: var(--fg); border-color: var(--border); }
.btn.ghost:hover { border-color: var(--accent); }
.btn.outline { background: transparent; color: var(--fg); border-color: var(--border); }
.btn.outline:hover { border-color: var(--accent); color: var(--accent); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.sm { padding: 7px 12px; font-size: 13px; border-radius: 9px; }

.lang-switch { display: inline-flex; gap: 2px; background: var(--bg-soft); border: 1px solid var(--border); border-radius: 10px; padding: 3px; }
.lang-btn {
  border: none; background: transparent; cursor: pointer; color: var(--fg-soft);
  font-family: inherit; font-size: 13px; font-weight: 700; padding: 4px 9px; border-radius: 7px;
  transition: background .2s, color .2s;
}
.lang-btn:hover { color: var(--fg); }
.lang-btn.active { background: var(--bg-elev); color: var(--accent); box-shadow: var(--shadow); }

.icon-btn {
  width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg); color: var(--fg); cursor: pointer; display: grid; place-items: center;
  font-size: 16px; transition: border-color .2s, background .2s;
}
.icon-btn:hover { border-color: var(--accent); }

.badge { font-size: 10px; font-weight: 800; padding: 2px 7px; border-radius: 6px; letter-spacing: .02em; text-transform: uppercase; }
.badge.ready { background: color-mix(in srgb, var(--ok) 18%, transparent); color: var(--ok); }
.badge.free  { background: color-mix(in srgb, var(--accent) 16%, transparent); color: var(--accent); }
.badge.byok  { background: color-mix(in srgb, var(--warn) 18%, transparent); color: var(--warn); }
.badge.fast  { background: color-mix(in srgb, var(--accent-2) 18%, transparent); color: var(--accent-2); }

/* ============ LANDING ============ */
.site-header {
  position: sticky; top: 0; z-index: 40;
  display: flex; align-items: center; gap: 16px;
  padding: 14px max(20px, calc((100% - var(--maxw)) / 2));
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--border);
}
.site-header .spacer { flex: 1; }
.site-header nav { display: flex; align-items: center; gap: 10px; }

.section { padding: 0 max(20px, calc((100% - var(--maxw)) / 2)); }

/* ---- hero: full-viewport 3D stage with static-gradient fallback ---- */
.hero {
  position: relative; overflow: hidden;
  min-height: calc(100svh - 67px);
  display: flex; flex-direction: column; justify-content: center;
  padding: 70px max(20px, calc((100% - var(--maxw)) / 2)) 90px;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
/* static gradient — always present, the WebGL canvas fades in on top */
.hero-bg::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(55% 70% at 78% 38%, color-mix(in srgb, var(--accent-2) 22%, transparent), transparent 70%),
    radial-gradient(60% 75% at 18% 30%, color-mix(in srgb, var(--accent) 20%, transparent), transparent 68%),
    radial-gradient(70% 60% at 50% 110%, color-mix(in srgb, var(--accent) 10%, transparent), transparent 70%);
}
.hero-bg::after {
  /* faint waveform etched into the fallback so it reads "audio" even without WebGL */
  content: ""; position: absolute; inset: 0; opacity: .5;
  background: repeating-linear-gradient(90deg,
    transparent 0 26px,
    color-mix(in srgb, var(--accent) 7%, transparent) 26px 28px);
  mask-image: radial-gradient(60% 45% at 50% 50%, #000, transparent 75%);
  -webkit-mask-image: radial-gradient(60% 45% at 50% 50%, #000, transparent 75%);
}
#hero-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  opacity: 0; transition: opacity 1.4s ease;
}
#hero-canvas.is-live { opacity: 1; }

.hero-grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: 48px; align-items: center; width: 100%;
}
.hero .tagline {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
  padding: 6px 14px; border-radius: 999px; margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(36px, 5.2vw, 64px); line-height: 1.04; letter-spacing: -.03em;
  font-weight: 850; max-width: 16ch; margin: 0 0 20px;
}
.hero h1, .hero .tagline, .hero p.sub, .hero .cta-row, .hero .hero-honest {
  animation: hero-rise .9s cubic-bezier(.22, .9, .3, 1) both;
}
.hero p.sub { animation-delay: .08s; }
.hero .cta-row { animation-delay: .16s; }
.hero .hero-honest { animation-delay: .24s; }
@keyframes hero-rise { from { opacity: 0; transform: translateY(22px); } }
.hero p.sub { font-size: clamp(16px, 2.2vw, 20px); color: var(--fg-soft); max-width: 52ch; margin: 0 0 34px; }
.hero .cta-row { display: flex; gap: 14px; flex-wrap: wrap; }
.btn.lg { padding: 15px 28px; font-size: 15px; border-radius: 13px; }
.btn.glass {
  background: color-mix(in srgb, var(--bg-elev) 55%, transparent);
  border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
  color: var(--fg); backdrop-filter: blur(10px);
}
.btn.glass:hover { border-color: var(--accent); color: var(--accent); }
.hero-honest {
  margin-top: 26px; font-size: 13.5px; color: var(--fg-soft);
  display: flex; gap: 8px; align-items: flex-start; max-width: 52ch;
}
.hero-honest .ic { color: var(--warn); }

/* floating glass mock of the live overlay */
.hero-card {
  position: relative; z-index: 1; justify-self: end; width: min(380px, 100%);
  background: color-mix(in srgb, var(--bg-elev) 62%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, var(--border));
  border-radius: var(--radius-lg); padding: 20px;
  backdrop-filter: blur(18px) saturate(1.3); -webkit-backdrop-filter: blur(18px) saturate(1.3);
  box-shadow: 0 1px 0 rgba(255,255,255,.18) inset, var(--glow), 0 30px 70px rgba(16,18,30,.22);
  animation: hero-float 7s ease-in-out infinite, hero-rise 1s cubic-bezier(.22,.9,.3,1) .25s both;
  will-change: transform;
}
@keyframes hero-float { 0%, 100% { translate: 0 0; } 50% { translate: 0 -12px; } }
.hc-head { display: flex; align-items: center; gap: 9px; margin-bottom: 16px; }
.hc-dot { width: 10px; height: 10px; border-radius: 4px; background: var(--brand-gradient); box-shadow: var(--glow); }
.hc-label { font-size: 12px; font-weight: 800; letter-spacing: .03em; color: var(--fg-soft); }
.hc-status {
  margin-left: auto; display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .05em;
  color: var(--accent-2);
}
.hc-pulse {
  width: 7px; height: 7px; border-radius: 50%; background: var(--accent-2);
  box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent-2) 50%, transparent);
  animation: hc-pulse 1.8s ease-out infinite;
}
@keyframes hc-pulse { 70% { box-shadow: 0 0 0 7px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }
.hc-q {
  display: flex; gap: 10px; align-items: flex-start;
  font-size: 13.5px; font-weight: 650; line-height: 1.5; margin-bottom: 14px;
}
.hc-qmark {
  flex-shrink: 0; width: 24px; height: 24px; border-radius: 8px;
  background: color-mix(in srgb, var(--accent) 16%, transparent); color: var(--accent);
  display: grid; place-items: center; font-weight: 850; font-size: 14px;
}
.hc-a {
  font-size: 13px; line-height: 1.65; color: var(--fg-soft);
  background: color-mix(in srgb, var(--accent) 7%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 14%, transparent);
  border-radius: 12px; padding: 12px 14px;
}
.hc-cursor::after { content: "▍"; color: var(--accent); animation: blink 1s step-end infinite; }

.scroll-hint {
  position: absolute; z-index: 1; left: 50%; bottom: 18px; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  font-size: 11.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--fg-faint); opacity: .9;
}
.scroll-hint svg { width: 16px; height: 16px; animation: hint-bob 2s ease-in-out infinite; }
@keyframes hint-bob { 50% { transform: translateY(4px); } }

/* ---- scroll reveal ---- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s ease var(--reveal-delay, 0s), transform .8s cubic-bezier(.22, .9, .3, 1) var(--reveal-delay, 0s); }
.reveal.in-view { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .hero h1, .hero .tagline, .hero p.sub, .hero .cta-row, .hero .hero-honest,
  .hero-card, .hc-pulse, .scroll-hint svg { animation: none !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .steps-flow .draw { stroke-dashoffset: 0 !important; transition: none !important; }
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.card {
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 28px; box-shadow: var(--shadow); transition: transform .25s ease, border-color .25s ease;
}
.card:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); }
.card .kicker { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 800; color: var(--accent); margin-bottom: 10px; }
.card h3 { font-size: 20px; letter-spacing: -.01em; margin-bottom: 8px; }
.card p { color: var(--fg-soft); font-size: 15px; }

.section-head { text-align: center; margin: 80px auto 36px; }
.section-head h2 { font-size: clamp(26px, 4vw, 38px); letter-spacing: -.02em; }
.section-head p { color: var(--fg-soft); margin-top: 8px; }

.honest-note {
  margin-top: 22px; padding: 16px 20px; border-radius: var(--radius);
  background: color-mix(in srgb, var(--warn) 9%, var(--bg-soft));
  border: 1px solid color-mix(in srgb, var(--warn) 25%, var(--border));
  color: var(--fg-soft); font-size: 14px; display: flex; gap: 12px; align-items: flex-start;
}
.honest-note .ic { color: var(--warn); flex-shrink: 0; font-size: 18px; }

/* ---- comparison cards ---- */
.compare-card { display: flex; flex-direction: column; }
.compare-card:hover { transform: translateY(-6px); box-shadow: var(--glow), var(--shadow); }
.kicker .ki { width: 20px; height: 20px; flex-shrink: 0; }
.feat-list { list-style: none; margin: 18px 0 22px; display: flex; flex-direction: column; gap: 10px; }
.feat-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--fg-soft); line-height: 1.5; }
.feat-list .tick {
  flex-shrink: 0; width: 20px; height: 20px; border-radius: 7px; margin-top: 1px;
  background: color-mix(in srgb, var(--ok) 14%, transparent); color: var(--ok);
  display: grid; place-items: center; font-size: 12px; font-weight: 800;
}
.card-cta { margin-top: auto; align-self: flex-start; }

/* ---- how it works: animated step flow ---- */
.steps-flow { position: relative; }
.flow-line { display: block; width: 100%; height: 60px; margin-bottom: -16px; overflow: visible; }
.steps-flow .draw { stroke-dashoffset: 1; }
.steps-flow.in-view .flow-line .draw { stroke-dashoffset: 0; transition: stroke-dashoffset 1.6s cubic-bezier(.4, 0, .2, 1) .1s; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step { text-align: center; padding: 8px; }
.step-icon {
  width: 64px; height: 64px; margin: 0 auto 16px; border-radius: 18px;
  background: color-mix(in srgb, var(--accent) 9%, var(--bg-elev));
  border: 1px solid color-mix(in srgb, var(--accent) 22%, var(--border));
  color: var(--accent); display: grid; place-items: center; box-shadow: var(--shadow);
}
.step-icon svg { width: 38px; height: 38px; }
.steps-flow.in-view .step:nth-child(1) .draw { transition: stroke-dashoffset 1s ease .3s; stroke-dashoffset: 0; }
.steps-flow.in-view .step:nth-child(2) .draw { transition: stroke-dashoffset 1s ease .75s; stroke-dashoffset: 0; }
.steps-flow.in-view .step:nth-child(3) .draw { transition: stroke-dashoffset 1s ease 1.2s; stroke-dashoffset: 0; }
.step h4 { font-size: 17px; margin-bottom: 6px; }
.step p { color: var(--fg-soft); font-size: 14px; max-width: 30ch; margin: 0 auto; }

/* ---- privacy summary ---- */
.privacy-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.privacy-item {
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 24px; box-shadow: var(--shadow); text-align: center;
  transition: transform .25s ease, border-color .25s ease;
}
.privacy-item:hover { transform: translateY(-3px); border-color: color-mix(in srgb, var(--accent) 35%, var(--border)); }
.privacy-item svg {
  width: 34px; height: 34px; margin: 0 auto 12px; color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border-radius: 11px; padding: 6px;
}
.privacy-item p { color: var(--fg-soft); font-size: 14px; line-height: 1.6; }
.privacy-cta { text-align: center; margin-top: 26px; }

/* ---- inline provider picker (settings fallback) ---- */
.provider-pick {
  margin-top: 14px; padding: 14px; border-radius: var(--radius);
  background: color-mix(in srgb, var(--accent) 6%, var(--bg-soft));
  border: 1px solid color-mix(in srgb, var(--accent) 22%, var(--border));
}
.provider-pick[hidden] { display: none; }
.provider-pick label { display: block; font-size: 13px; font-weight: 700; margin-bottom: 8px; }
.provider-pick .key-row select { flex: 1; }

.models-strip { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.chip {
  display: inline-flex; align-items: center; gap: 8px; background: var(--bg-elev);
  border: 1px solid var(--border); border-radius: 999px; padding: 8px 15px; font-size: 14px; font-weight: 600;
}
.chip .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); }

.maker {
  display: flex; gap: 22px; align-items: center; flex-wrap: wrap;
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 30px; box-shadow: var(--shadow);
}
.maker .avatar {
  width: 72px; height: 72px; border-radius: 20px; background: var(--brand-gradient);
  display: grid; place-items: center; color: #fff; font-size: 30px; font-weight: 850; flex-shrink: 0; box-shadow: var(--glow);
}
.maker .info { flex: 1; min-width: 220px; }
.maker .info .role { color: var(--accent); font-size: 13px; font-weight: 700; }
.maker .info h3 { font-size: 22px; margin: 2px 0 6px; }
.maker .info p { color: var(--fg-soft); font-size: 14px; margin-bottom: 12px; }
.maker .links { display: flex; gap: 10px; flex-wrap: wrap; }

.ethics-block {
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 30px; max-width: 760px; margin: 0 auto;
}
.ethics-block h2 { font-size: 24px; margin-bottom: 12px; }
.ethics-block p { color: var(--fg-soft); font-size: 15px; }
.ethics-block .legit { margin-top: 14px; font-weight: 700; color: var(--ok); }

.site-footer {
  margin-top: 90px; border-top: 1px solid var(--border); background: var(--bg-soft);
  padding: 40px max(20px, calc((100% - var(--maxw)) / 2)) 50px;
}
.site-footer .row { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; align-items: center; }
.site-footer .disclaimer { color: var(--fg-faint); font-size: 13px; max-width: 60ch; margin-top: 18px; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .hero { text-align: center; min-height: auto; padding-top: 64px; padding-bottom: 84px; }
  .hero h1, .hero p.sub { margin-left: auto; margin-right: auto; }
  .hero .cta-row { justify-content: center; }
  .hero-honest { margin-left: auto; margin-right: auto; justify-content: center; text-align: left; }
  .hero-card { justify-self: center; }
  .flow-line { display: none; }
}

@media (max-width: 760px) {
  .grid-2, .steps, .privacy-grid { grid-template-columns: 1fr; }
  .site-header nav .hide-sm { display: none; }
  .scroll-hint { display: none; }
}

/* ============ APP SHELL ============ */
body.app { display: flex; flex-direction: column; height: 100vh; overflow: hidden; }
.app-header {
  display: flex; align-items: center; gap: 14px; padding: 11px 18px;
  border-bottom: 1px solid var(--border); background: var(--bg-elev); flex-shrink: 0;
}
.app-header .spacer { flex: 1; }
.tabs { display: flex; gap: 4px; background: var(--bg-soft); border-radius: 11px; padding: 4px; }
.tab {
  border: none; background: transparent; cursor: pointer; color: var(--fg-soft);
  font-family: inherit; font-size: 13.5px; font-weight: 650; padding: 7px 14px; border-radius: 8px;
  transition: background .2s, color .2s;
}
.tab:hover { color: var(--fg); }
.tab.active { background: var(--bg-elev); color: var(--accent); box-shadow: var(--shadow); }

.view { flex: 1; overflow-y: auto; display: none; }
.view.active { display: block; }
.view-pad { max-width: 920px; margin: 0 auto; padding: 26px 20px 60px; }
.view h2.view-title { font-size: 22px; letter-spacing: -.01em; margin-bottom: 4px; }
.view p.view-sub { color: var(--fg-soft); font-size: 14px; margin-bottom: 22px; }

/* ---- live assistant ---- */
#view-live.view { display: none; }
#view-live.view.active { display: flex; flex-direction: column; }
.live-toolbar {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 12px 18px; border-bottom: 1px solid var(--border); background: var(--bg-soft); flex-shrink: 0;
}
.live-toolbar .group { display: flex; align-items: center; gap: 8px; }
.live-toolbar .spacer { flex: 1; }
.status-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--fg-faint); transition: background .3s; }
.status-dot.live { background: var(--danger); box-shadow: 0 0 0 4px color-mix(in srgb, var(--danger) 20%, transparent); animation: pulse 1.6s infinite; }
@keyframes pulse { 50% { opacity: .55; } }

.seg { display: inline-flex; background: var(--bg-elev); border: 1px solid var(--border); border-radius: 9px; overflow: hidden; }
.seg button { border: none; background: transparent; cursor: pointer; color: var(--fg-soft); font-family: inherit; font-size: 13px; font-weight: 650; padding: 7px 12px; }
.seg button.active { background: var(--brand-gradient); color: #fff; }

.slider-ctl { display: flex; align-items: center; gap: 7px; font-size: 12px; color: var(--fg-soft); }
.slider-ctl input[type=range] { width: 88px; accent-color: var(--accent); }

select.input, input.input, textarea.input {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--bg); color: var(--fg); font-family: inherit; font-size: 14px; outline: none;
  transition: border-color .2s;
}
select.input { cursor: pointer; }
input.input.mono { font-family: var(--mono); font-size: 13px; }
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent); }
textarea.input { resize: vertical; min-height: 90px; line-height: 1.5; }

.live-body { flex: 1; display: grid; grid-template-columns: 38% 1fr; gap: 0; overflow: hidden; }
.pane { display: flex; flex-direction: column; overflow: hidden; }
.pane + .pane { border-left: 1px solid var(--border); }
.pane .pane-head { padding: 10px 16px; font-size: 12px; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; color: var(--fg-faint); border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 8px; }
.pane .pane-body { flex: 1; overflow-y: auto; padding: 16px; }

.transcript-line { font-size: 14px; color: var(--fg-soft); padding: 6px 0; line-height: 1.5; }
.transcript-line.q { color: var(--fg); font-weight: 600; }
.transcript-line.interim { color: var(--fg-faint); font-style: italic; }

#answer-body { font-size: var(--answer-font, 16px); line-height: 1.7; white-space: pre-wrap; word-break: break-word; }
#answer-body.glance { font-size: calc(var(--answer-font, 16px) + 1px); }
#answer-body code { background: var(--bg-soft); padding: 2px 6px; border-radius: 5px; font-family: var(--mono); font-size: .9em; }
#answer-body pre { background: var(--bg-soft); border: 1px solid var(--border); padding: 14px; border-radius: 10px; overflow-x: auto; margin: 10px 0; }
#answer-body pre code { background: none; padding: 0; }
.answer-empty { color: var(--fg-faint); font-size: 14px; text-align: center; padding: 40px 12px; }
.cursor::after { content: "▍"; color: var(--accent); animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }

.ask-bar { display: flex; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--border); flex-shrink: 0; }
.ask-bar input { flex: 1; }

/* ---- modal ---- */
.overlay { position: fixed; inset: 0; background: rgba(6, 8, 16, .55); display: none; place-items: center; z-index: 60; padding: 20px; backdrop-filter: blur(3px); }
.overlay.open { display: grid; }
.modal { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 26px; max-width: 460px; width: 100%; max-height: 86vh; overflow-y: auto; box-shadow: 0 24px 70px rgba(0,0,0,.35); }
.modal h2 { font-size: 19px; margin-bottom: 6px; }
.modal .desc { font-size: 13.5px; color: var(--fg-soft); margin-bottom: 18px; line-height: 1.55; }
.ol-steps { counter-reset: s; margin: 14px 0; }
.ol-steps li { list-style: none; counter-increment: s; padding: 8px 0 8px 38px; position: relative; font-size: 14px; }
.ol-steps li::before { content: counter(s); position: absolute; left: 0; top: 6px; width: 26px; height: 26px; border-radius: 8px; background: var(--brand-gradient); color: #fff; display: grid; place-items: center; font-size: 13px; font-weight: 800; }

/* ---- settings / forms ---- */
.field { margin-bottom: 18px; }
.field > label { display: block; font-size: 13px; font-weight: 700; margin-bottom: 7px; }
.field .hint { font-size: 12px; color: var(--fg-faint); margin-top: 6px; }
.card-block { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; margin-bottom: 20px; box-shadow: var(--shadow); }
.card-block h3 { font-size: 16px; margin-bottom: 4px; }
.card-block .block-desc { font-size: 13px; color: var(--fg-soft); margin-bottom: 16px; }
.key-row { display: flex; gap: 8px; align-items: center; }
.key-row .input { flex: 1; }
.detected-tag { font-size: 12px; font-weight: 700; padding: 5px 10px; border-radius: 8px; background: var(--bg-soft); color: var(--fg-soft); white-space: nowrap; }
.detected-tag.ok { color: var(--ok); background: color-mix(in srgb, var(--ok) 14%, transparent); }
.saved-keys { display: flex; flex-direction: column; gap: 8px; margin-top: 14px; }
.saved-key { display: flex; align-items: center; gap: 10px; padding: 9px 12px; background: var(--bg-soft); border-radius: 10px; font-size: 13px; }
.saved-key .label { font-weight: 700; }
.saved-key .masked { font-family: var(--mono); color: var(--fg-faint); flex: 1; }

.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); background: var(--fg); color: var(--bg); padding: 11px 20px; border-radius: 12px; font-size: 14px; font-weight: 600; box-shadow: var(--shadow); z-index: 80; opacity: 0; pointer-events: none; transition: opacity .3s, transform .3s; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(-4px); }

/* ---- practice ---- */
.qa-block { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; margin-bottom: 16px; box-shadow: var(--shadow); }
.qa-block .q-text { font-size: 16px; font-weight: 650; margin-bottom: 4px; }
.qa-block .who { font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; color: var(--accent); margin-bottom: 8px; }
.qa-block .fb { margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--border); font-size: 14px; color: var(--fg-soft); white-space: pre-wrap; }

@media (max-width: 760px) {
  .live-body { grid-template-columns: 1fr; grid-template-rows: 40% 1fr; }
  .pane + .pane { border-left: none; border-top: 1px solid var(--border); }
  .tabs .tab { padding: 7px 10px; font-size: 12.5px; }
}

/* floating overlay variant (used by extension popup window) */
body.overlay-mode { background: color-mix(in srgb, var(--bg) 88%, transparent); }
body.overlay-mode .app-header { -webkit-app-region: drag; }
body.overlay-mode .app-header button { -webkit-app-region: no-drag; }
