:root {
  color-scheme: dark;
  --bg: #0b0f14;
  --fg: #f5f7fa;
  --muted: #8a97a6;
  --accent: #3b82f6;
  --band: #111821;
  --line: #1b2430;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--fg);
  font: 18px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}
main { min-height: 100dvh; display: flex; flex-direction: column; }

/* Language picker */
.picker {
  margin: auto;
  display: grid;
  gap: 14px;
  padding: 24px;
  width: min(440px, 92vw);
}
.lang-btn {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 18px 20px;
  border: 1px solid #223;
  border-radius: 14px;
  background: var(--band);
  color: var(--fg);
  cursor: pointer;
  text-align: start;
}
.lang-btn .native { font-size: 24px; font-weight: 600; }
.lang-btn .en { color: var(--muted); font-size: 14px; }
.lang-btn:active { border-color: var(--accent); }

/* Caption view */
#view { flex: 1; display: flex; flex-direction: column; min-height: 0; }
.bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  padding-top: max(10px, env(safe-area-inset-top));
}
.lang-name { font-weight: 600; }
.status { margin-inline-start: auto; font-size: 13px; color: var(--muted); }
.status.live { color: #34d399; }
.status.connecting, .status.offline { color: #f59e0b; }
.change {
  background: none;
  border: 1px solid #2a3744;
  color: var(--muted);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 13px;
  cursor: pointer;
}

.captions {
  flex: 1;
  overflow-y: auto;
  padding: 16px clamp(16px, 5vw, 48px);
  display: flex;
  flex-direction: column;
  gap: 10px;
  -webkit-overflow-scrolling: touch;
}
.caption { margin: 0; font-size: clamp(20px, 5vw, 30px); color: var(--muted); }
.caption:last-child { color: var(--fg); font-weight: 600; }

.lyric {
  background: var(--band);
  border-top: 1px solid var(--line);
  padding: 16px clamp(16px, 5vw, 48px);
  padding-bottom: max(16px, env(safe-area-inset-bottom));
  font-size: clamp(20px, 5.5vw, 32px);
  font-weight: 600;
  text-align: center;
  animation: fade 240ms ease;
}
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }