:root {
  color-scheme: dark;
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1f232c;
  --text: #e8eaed;
  --muted: #9aa3b2;
  --accent: #5eead4;
  --danger: #f87171;
  --border: #262b35;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

a { color: inherit; text-decoration: none; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.center { text-align: center; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  padding: 12px 16px;
  background: rgba(15, 17, 21, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 8px; font-size: 16px; flex-wrap: wrap; }
.badge {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--accent);
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 12px;
  letter-spacing: 0.02em;
}
.notice {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--muted);
  margin: 0 0 16px;
}
.notice code {
  background: var(--panel-2);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--text);
}
.notice .event-link {
  display: inline-block;
  margin: 4px 6px 0 0;
  padding: 2px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--accent);
}
.filters { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.filters label { display: flex; align-items: center; gap: 6px; color: var(--muted); }
.filters input[type="date"] {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 8px;
  font: inherit;
}

button, .btn {
  cursor: pointer;
  background: var(--accent);
  color: #0a0d10;
  border: 0;
  border-radius: 8px;
  padding: 8px 12px;
  font: inherit;
  font-weight: 600;
}
button.ghost, .btn.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
button.danger, .btn.danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
}
button:disabled { opacity: 0.6; cursor: not-allowed; }

main { padding: 16px; max-width: 1400px; margin: 0 auto; }

.stats {
  margin: 0 0 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.stats > summary {
  list-style: none;
  cursor: pointer;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  user-select: none;
}
.stats > summary::-webkit-details-marker { display: none; }
.stats > summary::before {
  content: "▸";
  display: inline-block;
  transition: transform .15s ease;
  color: var(--accent);
}
.stats[open] > summary::before { transform: rotate(90deg); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  background: var(--border);
  border-top: 1px solid var(--border);
}
.stats-col {
  background: var(--panel);
  padding: 12px 14px;
}
.stats-col h3 {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: flex;
  gap: 8px;
  align-items: baseline;
}
.stats-col dl {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr auto;
  row-gap: 4px;
  column-gap: 16px;
  align-items: baseline;
}
.stats-col dt { color: var(--muted); font-size: 13px; }
.stats-col dd { margin: 0; font-variant-numeric: tabular-nums; font-weight: 600; font-size: 18px; }

.grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  transition: transform .12s ease, border-color .12s ease;
}
.card:hover { transform: translateY(-2px); border-color: var(--accent); }
.card .thumb {
  width: 100%;
  height: auto;
  background: #000;
  display: block;
}
.card .meta {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 10px;
  font-size: 12px;
  color: var(--muted);
}
.card .meta strong { color: var(--text); font-weight: 600; }

.skeleton {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  pointer-events: none;
}
.skeleton .ph {
  background: linear-gradient(100deg, var(--panel-2) 20%, #2a3140 40%, var(--panel-2) 60%);
  background-size: 250% 100%;
  animation: shimmer 1.4s linear infinite;
  border-radius: 4px;
}
.skeleton .ph-thumb {
  width: 100%;
  border-radius: 0;
}
.skeleton .ph-bar {
  height: 10px;
  margin: 8px 10px;
}
.skeleton .ph-bar.short { width: 40%; }
.skeleton .ph-bar.medium { width: 65%; }
.skeleton .ph-bar.long { width: 85%; }

@keyframes shimmer {
  0%   { background-position: 250% 0; }
  100% { background-position: -150% 0; }
}

dialog#viewer {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0;
  background: var(--panel);
  color: var(--text);
  max-width: min(900px, 96vw);
  width: 100%;
}
dialog#viewer::backdrop { background: rgba(0,0,0,0.7); }
dialog#viewer video {
  width: 100%;
  display: block;
  background: #000;
  max-height: 70vh;
}
dialog#viewer .close {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 10;
  pointer-events: auto;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  border-radius: 999px;
  width: 36px;
  height: 36px;
  font-size: 22px;
  line-height: 1;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
}
dialog#viewer .close:hover { background: rgba(0, 0, 0, 0.9); }
.viewer-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.viewer-meta .title { font-weight: 600; }
.viewer-meta .actions { display: flex; gap: 8px; flex-wrap: wrap; }

.qr-panel {
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  border-top: 1px solid var(--border);
  background: var(--panel-2);
}
.qr-panel img {
  width: min(280px, 70vw);
  height: auto;
  background: white;
  padding: 8px;
  border-radius: 8px;
}