* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: #0f1115;
  color: #e8eaed;
  line-height: 1.5;
}

header, main, footer {
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem 1.25rem;
}

h1 { margin: 0 0 0.25rem; font-size: 1.5rem; }
.subtitle { margin: 0; color: #9aa0a6; font-size: 0.95rem; }

.player-card, .translation-card {
  background: #1a1d24;
  border: 1px solid #2a2f3a;
  border-radius: 12px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.video-wrap {
  position: relative;
  background: #000;
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background: rgba(0,0,0,.65);
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 12px;
}

.hint { font-size: 0.85rem; color: #9aa0a6; margin: 0.75rem 0 0; }

.stream-picker {
  display: grid;
  gap: 0.35rem;
  margin-top: 0.75rem;
}

.stream-picker label {
  font-size: 0.85rem;
  color: #9aa0a6;
}
code { background: #252932; padding: 2px 6px; border-radius: 4px; font-size: 0.85em; }

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  cursor: pointer;
}

.lang-panel {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.lang-panel.hidden { display: none; }

select {
  width: 100%;
  max-width: 320px;
  padding: 0.5rem;
  border-radius: 6px;
  border: 1px solid #3c4048;
  background: #252932;
  color: inherit;
}

button {
  padding: 0.65rem 1rem;
  border: none;
  border-radius: 8px;
  background: #3b82f6;
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  margin-right: 0.5rem;
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

button.secondary {
  background: #374151;
}

.status-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.dot::before {
  content: '● ';
}

.dot.off { color: #9aa0a6; }
.dot.on { color: #34d399; }
.dot.err { color: #f87171; }

#transcript {
  margin-top: 1rem;
  min-height: 4rem;
  max-height: 12rem;
  overflow: auto;
  background: #0f1115;
  border: 1px solid #2a2f3a;
  border-radius: 8px;
  padding: 0.75rem;
  font-size: 0.8rem;
  white-space: pre-wrap;
}

footer {
  color: #6b7280;
  font-size: 0.85rem;
  border-top: 1px solid #2a2f3a;
}