:root {
  --bg: var(--tg-theme-bg-color, #0f1115);
  --fg: var(--tg-theme-text-color, #e8e8ea);
  --muted: var(--tg-theme-hint-color, #8a8f98);
  --card: var(--tg-theme-secondary-bg-color, #1a1d23);
  --accent: var(--tg-theme-button-color, #3b82f6);
  --accent-fg: var(--tg-theme-button-text-color, #fff);
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 15px/1.4 system-ui, sans-serif; }
header { display: flex; align-items: center; gap: 8px; padding: 10px 16px; position: sticky; top: 0; background: var(--bg); z-index: 1; }
header h1 { flex: 1; margin: 0; font-size: 17px; }
button { background: var(--accent); color: var(--accent-fg); border: 0; border-radius: 8px; padding: 6px 12px; font: inherit; cursor: pointer; }
main { padding: 0 16px 16px; }
#message { color: var(--muted); text-align: center; margin-top: 40px; }
#cams { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.cam { background: var(--card); border-radius: 12px; overflow: hidden; cursor: pointer; }
.cam img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: #000; }
.cam div { display: flex; justify-content: space-between; padding: 8px 12px; }
.cam .status { color: var(--muted); }
.cam.offline img { opacity: .4; }
#viewer.single .player { max-width: 1280px; margin: 0 auto; }
#viewer.grid { display: grid; gap: 8px; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.player { background: #000; border-radius: 12px; overflow: hidden; }
.player video-stream { display: block; width: 100%; aspect-ratio: 16 / 9; }
.player video { width: 100%; height: 100%; object-fit: contain; }
.player .bar { display: flex; gap: 8px; align-items: center; padding: 6px 10px; background: var(--card); }
.player .bar span { flex: 1; }
.player:fullscreen video-stream { height: 100%; aspect-ratio: auto; }
.player:fullscreen .bar { position: absolute; bottom: 0; left: 0; right: 0; opacity: .8; }
#compat-wrap { display: flex; align-items: center; gap: 4px; font-size: 13px; color: var(--muted); white-space: nowrap; }
#compat-hint { color: var(--muted); font-size: 13px; margin: 0 0 8px; }
#archive .chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
#archive .chips button { background: var(--card); color: var(--fg); }
#archive .chips button.active { background: var(--accent); color: var(--accent-fg); }
#archive-player video { width: 100%; max-height: 70vh; background: #000; border-radius: 12px; }
#archive-download, .button { display: inline-block; margin-top: 8px; background: var(--accent); color: var(--accent-fg); border-radius: 8px; padding: 6px 12px; text-decoration: none; }
#archive-empty { color: var(--muted); }