:root {
  color-scheme: dark;
  --bg: #050706;
  --panel: rgba(17, 24, 24, 0.86);
  --panel-strong: rgba(20, 32, 31, 0.96);
  --line: rgba(156, 240, 209, 0.18);
  --line-strong: rgba(121, 255, 210, 0.44);
  --text: #f6fff9;
  --muted: #9db6ab;
  --dim: #64766f;
  --mint: #79ffd2;
  --green: #b8ff7e;
  --amber: #ffd16b;
  --rose: #ff8ea1;
  --blue: #83c7ff;
  --shadow: 0 24px 90px rgba(0, 0, 0, 0.44);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; overflow-x: hidden; }
body {
  background:
    radial-gradient(circle at 12% 5%, rgba(121, 255, 210, 0.22), transparent 28rem),
    radial-gradient(circle at 84% 4%, rgba(255, 209, 107, 0.16), transparent 30rem),
    radial-gradient(circle at 50% 100%, rgba(131, 199, 255, 0.10), transparent 34rem),
    linear-gradient(145deg, #050706 0%, #07110f 48%, #101818 100%);
  color: var(--text);
}
button, input, select { font: inherit; }
button { cursor: pointer; }
a { color: inherit; }

.interview-shell {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 28px 0 96px;
}

.hero-card,
.signal-rail,
.signal-lab,
.evidence-card,
.meter-board,
.takeaway-card,
.audio-card,
.transcript-tools,
.transcript-group {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel-strong), var(--panel));
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.hero-card {
  min-height: 380px;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(270px, 0.65fr);
  gap: 28px;
  align-items: stretch;
  padding: clamp(24px, 5vw, 56px);
  position: relative;
  overflow: hidden;
}
.hero-card::before {
  content: "";
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  background:
    linear-gradient(125deg, rgba(121, 255, 210, 0.15), transparent 42%, rgba(255, 209, 107, 0.13)),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.045) 0 1px, transparent 1px 86px);
  pointer-events: none;
}
.hero-card::after {
  content: "";
  position: absolute;
  width: 360px;
  height: 360px;
  right: 8%;
  bottom: -160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(121,255,210,.18), transparent 62%);
  filter: blur(2px);
  animation: breathe 5.4s ease-in-out infinite;
}
.hero-copy, .hero-thesis { position: relative; z-index: 1; }
.eyebrow, .section-kicker, .focus-meta, .copy-status, .result-count, .transcript-note {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
h1 {
  max-width: 900px;
  margin: 12px 0 18px;
  font-size: clamp(38px, 7vw, 78px);
  line-height: 0.96;
  letter-spacing: -0.07em;
  overflow-wrap: anywhere;
}
.lede {
  max-width: 780px;
  color: #d6e9df;
  font-size: clamp(16px, 2vw, 21px);
  line-height: 1.75;
}
.hero-thesis {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 24px;
  background: rgba(2, 10, 9, 0.42);
  color: #d9efe6;
  line-height: 1.7;
}
.hero-thesis strong { color: var(--amber); }
.mode-tabs {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 6px;
  margin-top: 22px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(2, 10, 9, 0.58);
}
.mode-tab, .primary, .secondary, .topic-button, .time-pill, .timecode {
  border: 0;
  color: var(--text);
}
.mode-tab {
  padding: 10px 16px;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
}
.mode-tab.is-active {
  color: #03120d;
  background: linear-gradient(135deg, var(--mint), var(--amber));
}
.panel { display: none; }
.panel.is-active { display: block; }

.brief-grid {
  display: grid;
  grid-template-columns: minmax(220px, 0.72fr) minmax(360px, 1.45fr) minmax(300px, 0.88fr);
  gap: 18px;
  margin-top: 18px;
  align-items: stretch;
}
.signal-rail, .signal-lab, .evidence-card { padding: 20px; }
.signal-rail { display: flex; flex-direction: column; gap: 12px; }
#topicRail { display: grid; gap: 10px; }
.topic-button {
  width: 100%;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 10px;
  text-align: left;
  padding: 13px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  background: rgba(3, 12, 10, 0.48);
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}
.topic-button:hover, .topic-button.is-active {
  transform: translateY(-1px);
  border-color: var(--line-strong);
  background: rgba(121, 255, 210, 0.13);
}
.topic-button span {
  grid-row: span 2;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(121, 255, 210, 0.14);
  color: var(--mint);
  font-weight: 800;
}
.topic-button strong { overflow-wrap: anywhere; }
.topic-button em { color: var(--muted); font-style: normal; font-size: 12px; line-height: 1.45; }

.signal-lab { min-height: 560px; }
.lab-heading h2, .takeaway-card h2, .audio-card h2 { margin: 6px 0 10px; font-size: clamp(24px, 3.2vw, 38px); line-height: 1.1; letter-spacing: -0.045em; }
.lab-heading p:not(.section-kicker), .audio-card p, .takeaway-card p { color: #c7ddd4; line-height: 1.68; }
.canvas-wrap {
  position: relative;
  min-height: 430px;
  border: 1px solid rgba(121, 255, 210, 0.16);
  border-radius: 24px;
  overflow: hidden;
  background: radial-gradient(circle at 50% 45%, rgba(121, 255, 210, 0.12), transparent 48%), rgba(2, 10, 9, 0.60);
}
#signalCanvas { display: block; width: 100%; height: 430px; }
.canvas-guide {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 14px;
  color: rgba(246, 255, 249, 0.75);
  font-size: 13px;
  line-height: 1.5;
  pointer-events: none;
}
.signal-path { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.path-chip {
  padding: 7px 10px;
  border: 1px solid rgba(121, 255, 210, 0.22);
  border-radius: 999px;
  color: #d8fff1;
  background: rgba(121, 255, 210, 0.08);
  font-size: 13px;
}

.evidence-card { display: flex; flex-direction: column; gap: 12px; }
.focus-meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
#focusNumber {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(121,255,210,.2), rgba(255,209,107,.16));
  color: var(--amber);
  font-weight: 900;
}
.time-pill, .timecode {
  padding: 8px 11px;
  border-radius: 999px;
  background: rgba(121, 255, 210, 0.12);
  color: var(--mint);
}
.evidence-card h2 { margin: 0; font-size: clamp(22px, 2.8vw, 34px); line-height: 1.08; letter-spacing: -0.04em; }
.focus-hook, .focus-summary { color: #cfdfd8; line-height: 1.66; margin: 0; }
blockquote {
  margin: 0;
  padding: 16px;
  border-left: 3px solid var(--amber);
  border-radius: 16px;
  background: rgba(255, 209, 107, 0.08);
  color: #fff0ca;
  line-height: 1.7;
}
.evidence-list { margin: 0; padding-left: 18px; color: #d7ece3; line-height: 1.62; }
.action-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: auto; }
.primary, .secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 11px 14px;
  border-radius: 999px;
}
.primary { color: #03120d; background: linear-gradient(135deg, var(--mint), var(--amber)); font-weight: 800; }
.secondary { border: 1px solid var(--line); background: rgba(255,255,255,0.05); color: #e4f5ef; }

.meter-board {
  display: grid;
  grid-template-columns: minmax(140px, 0.7fr) repeat(4, minmax(140px, 1fr));
  gap: 12px;
  align-items: center;
  margin-top: 18px;
  padding: 16px;
}
.meter { display: grid; gap: 8px; }
.meter span { color: var(--muted); font-size: 13px; }
.meter div { height: 8px; border-radius: 999px; overflow: hidden; background: rgba(255,255,255,0.08); }
.meter i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--mint), var(--amber)); transition: width .25s ease; }
.meter strong { color: var(--text); }

.takeaway-card { margin-top: 18px; padding: clamp(20px, 4vw, 34px); }
.takeaway-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.takeaway-grid article { border: 1px solid rgba(255,255,255,.08); border-radius: 20px; padding: 16px; background: rgba(2, 10, 9, .38); }
.takeaway-grid span { color: var(--amber); font-weight: 900; }
.takeaway-grid p { margin: 8px 0 0; }

.audio-card {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr);
  gap: 20px;
  align-items: center;
  margin-top: 18px;
  padding: clamp(20px, 4vw, 34px);
}
.audio-controls { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px; align-items: center; }
.clock { padding: 10px 12px; border: 1px solid var(--line); border-radius: 999px; color: #d7ece3; background: rgba(255,255,255,.05); }
.source-link { text-decoration: none; padding: 10px 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--mint); }
.transcript-tools {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 16px;
  padding: 14px;
}
#searchInput {
  flex: 1 1 280px;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 12px 14px;
  color: var(--text);
  background: rgba(2, 10, 9, .72);
  outline: none;
}
#searchInput:focus { border-color: var(--line-strong); }
.speaker-filter { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); }
.speaker-filter select {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 12px;
  color: var(--text);
  background: #0b1513;
}
.transcript-note, .copy-status, .result-count { margin: 12px 4px 0; }
.copy-status { min-height: 18px; color: var(--mint); }
.transcript-list { display: grid; gap: 12px; margin-top: 14px; }
.transcript-group { padding: 16px; box-shadow: none; }
.transcript-group.is-current { border-color: var(--line-strong); background: linear-gradient(180deg, rgba(36, 54, 49, .96), rgba(16, 25, 23, .88)); }
.transcript-head { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 8px; }
.transcript-speaker, .transcript-head strong { color: var(--amber); }
.transcript-module, .transcript-head span { color: var(--muted); font-size: 13px; }
.transcript-row-time { color: var(--mint); font-size: 12px; }
.transcript-group p { margin: 8px 0 0; color: #e2f0ea; line-height: 1.75; }
mark { color: #03120d; background: var(--amber); border-radius: 4px; padding: 0 2px; }

@keyframes breathe {
  0%, 100% { transform: scale(1); opacity: .75; }
  50% { transform: scale(1.08); opacity: 1; }
}

@media (max-width: 980px) {
  .hero-card, .brief-grid, .audio-card { grid-template-columns: 1fr; }
  .signal-lab { min-height: auto; }
  .meter-board { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .meter-title { grid-column: 1 / -1; }
  .takeaway-grid { grid-template-columns: 1fr; }
  .audio-controls { justify-content: flex-start; }
}

@media (max-width: 560px) {
  .interview-shell { width: min(100vw - 20px, 520px); padding: 12px 0 104px; }
  .hero-card, .signal-rail, .signal-lab, .evidence-card, .meter-board, .takeaway-card, .audio-card, .transcript-tools, .transcript-group { border-radius: 22px; }
  .hero-card { padding: 22px; min-height: auto; gap: 18px; }
  h1 { font-size: clamp(34px, 12vw, 52px); letter-spacing: -0.055em; line-height: 1; }
  .lede { font-size: 15px; }
  .hero-thesis { padding: 16px; }
  .mode-tabs { width: 100%; }
  .mode-tab { flex: 1 1 120px; }
  .brief-grid { gap: 12px; margin-top: 12px; }
  .signal-rail, .signal-lab, .evidence-card { padding: 14px; }
  #topicRail { grid-template-columns: 1fr; }
  .topic-button { padding: 12px; }
  .canvas-wrap { min-height: 300px; }
  #signalCanvas { height: 300px; }
  .canvas-guide { font-size: 12px; left: 12px; right: 12px; }
  .meter-board { grid-template-columns: 1fr; padding: 14px; }
  .audio-card { padding: 16px; }
  .audio-controls .primary, .audio-controls .source-link, .clock { width: 100%; justify-content: center; text-align: center; }
  .transcript-tools { display: grid; grid-template-columns: 1fr; padding: 12px; }
  #searchInput, .speaker-filter, .speaker-filter select, .transcript-tools .secondary { width: 100%; }
  .speaker-filter { justify-content: space-between; }
  .transcript-head { align-items: flex-start; }
}