:root {
  --bg: oklch(0.17 0.015 255);
  --bg-raised: oklch(0.21 0.018 255);
  --bg-inset: oklch(0.14 0.012 255);
  --border: oklch(0.30 0.02 255);
  --text: oklch(0.93 0.01 255);
  --text-dim: oklch(0.68 0.02 255);
  --accent: oklch(0.82 0.13 172);
  --accent-ink: oklch(0.22 0.05 172);
  --danger: oklch(0.66 0.21 25);
  --violet: oklch(0.74 0.14 300);
  --radius: 0.75rem;
  --font-sans: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
}

.hidden { display: none !important; }

/* ---------- top bar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-raised);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand { display: flex; align-items: center; gap: 0.65rem; min-width: 0; }
.brand-mark {
  color: var(--accent);
  display: grid;
  place-items: center;
  width: 36px; height: 36px;
  border-radius: 10px;
  background: color-mix(in oklab, var(--accent) 14%, transparent);
}
.brand-text { display: flex; align-items: center; gap: 0.5rem; }
.brand-name { font-weight: 700; font-size: 1.1rem; letter-spacing: -0.01em; }
.badge {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  border: 1px solid color-mix(in oklab, var(--accent) 45%, transparent);
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
}
.tagline { color: var(--text-dim); font-size: 0.85rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.status-pill {
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  white-space: nowrap;
}
.status-idle { color: var(--text-dim); }
.status-loading { color: oklch(0.85 0.13 85); border-color: color-mix(in oklab, oklch(0.85 0.13 85) 40%, transparent); }
.status-ready { color: var(--accent); border-color: color-mix(in oklab, var(--accent) 45%, transparent); }
.status-error { color: var(--danger); border-color: color-mix(in oklab, var(--danger) 45%, transparent); }

/* ---------- layout ---------- */
.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 1rem;
  padding: 1rem 1.5rem;
  max-width: 1360px;
  margin: 0 auto;
}
.col-main, .col-side { display: flex; flex-direction: column; gap: 1rem; min-width: 0; }

.card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
}
.card h2 { margin: 0 0 0.6rem; font-size: 0.95rem; font-weight: 600; letter-spacing: -0.01em; }
.card-title-row { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; margin-bottom: 0.6rem; }
.card-title-row h2 { margin: 0; }
.hint { color: var(--text-dim); font-size: 0.8rem; margin: 0.6rem 0 0; }

/* ---------- viewport ---------- */
.viewport-wrap { position: relative; border-radius: calc(var(--radius) - 4px); overflow: hidden; background: var(--bg-inset); }
.viewport-wrap video { display: none; }
.viewport-wrap canvas { display: block; width: 100%; height: auto; }

.rec-badge {
  position: absolute;
  top: 0.75rem; left: 0.75rem;
  display: flex; align-items: center; gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  background: oklch(0.2 0.02 255 / 0.8);
  border: 1px solid color-mix(in oklab, var(--danger) 55%, transparent);
  color: var(--text);
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  backdrop-filter: blur(6px);
}
.rec-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--danger); animation: pulse 1.1s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

.viewport-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 0.85rem;
}
.source-group, .record-group, .playback-group { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; }

/* ---------- buttons ---------- */
.btn {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
  background: var(--bg-inset);
  border: 1px solid var(--border);
  border-radius: 0.55rem;
  padding: 0.5rem 0.9rem;
  cursor: pointer;
  transition: transform 120ms ease, background 150ms ease, border-color 150ms ease;
}
.btn:hover:not(:disabled) { border-color: color-mix(in oklab, var(--text) 30%, var(--border)); transform: translateY(-1px); }
.btn:active:not(:disabled) { transform: scale(0.97); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-accent { background: var(--accent); color: var(--accent-ink); border-color: transparent; font-weight: 600; }
.btn-accent:hover:not(:disabled) { background: color-mix(in oklab, var(--accent) 88%, white); }
.btn-record { color: oklch(0.85 0.09 25); border-color: color-mix(in oklab, var(--danger) 45%, transparent); }
.btn-small { padding: 0.35rem 0.7rem; font-size: 0.8rem; }
.select {
  background: var(--bg-inset);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 0.55rem;
  padding: 0.35rem 0.5rem;
  font-size: 0.8rem;
}

/* ---------- timeline ---------- */
.timeline {
  position: relative;
  height: 44px;
  background: var(--bg-inset);
  border: 1px solid var(--border);
  border-radius: 0.55rem;
  overflow: hidden;
}
.segment {
  position: absolute;
  top: 0; bottom: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.68rem;
  font-weight: 600;
  color: oklch(0.15 0.02 255);
  overflow: hidden;
  white-space: nowrap;
  cursor: pointer;
  opacity: 0.92;
}
.segment:hover { opacity: 1; }
.playhead {
  position: absolute;
  top: 0; bottom: 0;
  width: 2px;
  background: white;
  box-shadow: 0 0 6px oklch(1 0 0 / 0.6);
  z-index: 2;
  pointer-events: none;
}
.scrubber { width: 100%; margin-top: 0.6rem; accent-color: var(--accent); }
.timeline-meta {
  display: flex; justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 0.15rem;
}

/* ---------- chips ---------- */
.chip-grid { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: 0.6rem; }
.chip {
  display: flex; align-items: center; gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text);
  background: var(--bg-inset);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  cursor: pointer;
  transition: border-color 150ms ease, background 150ms ease;
}
.chip:disabled { opacity: 0.45; cursor: not-allowed; }
.chip .dot { width: 9px; height: 9px; border-radius: 50%; }
.chip.active { background: color-mix(in oklab, var(--chip-color, var(--accent)) 22%, transparent); border-color: var(--chip-color, var(--accent)); }

/* ---------- stats ---------- */
.stats-list { margin: 0; }
.stat-row {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 0.35rem 0;
  border-bottom: 1px solid color-mix(in oklab, var(--border) 55%, transparent);
}
.stat-row dt { color: var(--text-dim); font-size: 0.82rem; }
.stat-row dd { margin: 0; font-family: var(--font-mono); font-size: 0.85rem; }
.task-breakdown { margin-top: 0.7rem; display: flex; flex-direction: column; gap: 0.45rem; }
.task-line { display: flex; align-items: center; gap: 0.5rem; font-size: 0.8rem; }
.task-line .dot { width: 9px; height: 9px; border-radius: 50%; flex: none; }
.task-line .task-name { flex: 1; color: var(--text-dim); }
.task-line .task-time { font-family: var(--font-mono); font-size: 0.78rem; }
.task-line .bar { height: 4px; border-radius: 2px; }

/* ---------- export ---------- */
.export-preview {
  margin: 0;
  background: var(--bg-inset);
  border: 1px solid var(--border);
  border-radius: 0.55rem;
  padding: 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  line-height: 1.45;
  color: var(--text-dim);
  max-height: 300px;
  overflow: auto;
  white-space: pre;
}

/* ---------- consent ---------- */
.check-row {
  display: flex; align-items: flex-start; gap: 0.5rem;
  font-size: 0.85rem;
  padding: 0.3rem 0;
  cursor: pointer;
}
.check-row input { accent-color: var(--accent); margin-top: 0.2rem; }

.footer {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.78rem;
  padding: 1.25rem 1rem 2rem;
}

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .tagline { display: none; }
}