:root {
  --bg: #0f1115;
  --panel: #151922;
  --fg: #e6e8ee;
  --muted: #9aa3af;
  --accent: #5e9cff;
  --danger: #ff5e7d;
  --radius: 12px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 14px/1.4 system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

.topbar {
  position: sticky; top: 0;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  background: rgba(21, 25, 34, 0.9);
  backdrop-filter: blur(6px);
  padding: 10px 12px;
  border-bottom: 1px solid #1d2330;
}
.brand { font-weight: 700; letter-spacing: .3px; }
.controls { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.controls input {
  background: #0f1320; color: var(--fg);
  border: 1px solid #1c2434; border-radius: 8px; padding: 8px 10px; outline: none;
}
.controls button {
  background: #1b2332; color: var(--fg); border: 1px solid #2b354a; border-radius: 8px;
  padding: 8px 12px; cursor: pointer;
}
.controls button:hover { border-color: var(--accent); }
.controls button.danger:hover { border-color: var(--danger); }
.controls .chk { display: inline-flex; gap: 6px; align-items: center; color: var(--muted); }

main { padding: 12px; max-width: 1400px; margin: 0 auto; }
#status { color: var(--muted); margin: 6px 2px 12px; min-height: 20px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 12px;
}
.tile {
  background: var(--panel);
  border: 1px solid #1d2330;
  border-radius: var(--radius);
  overflow: hidden;
  display: grid;
  grid-template-rows: 1fr auto;
  min-height: 180px;
}
.tile video {
  width: 100%; height: 100%;
  background: #0a0c11;
  object-fit: contain;
}
.tile .meta {
  display: flex; align-items: center; justify-content: space-between;
  padding: 6px 10px; color: var(--muted); border-top: 1px solid #1d2330;
}
.tile .name { color: var(--fg); font-weight: 600; }

button:disabled { opacity: 0.5; cursor: not-allowed; }