:root {
  --bg: #0f1115;
  --card-bg: #1a1d24;
  --tile-bg: #20242c;
  --text: #e8e9ec;
  --text-muted: #9aa0aa;
  --accent: #5b8def;
  --ready: #3fb950;
  --busy: #d29922;
  --error: #f85149;
  --card-min: 220px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

header {
  border-bottom: 1px solid #262a33;
  background: var(--card-bg);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header h1 {
  margin: 0;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.icon-button {
  background: none;
  border: 1px solid #333844;
  color: var(--text);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 6px 12px;
  border-radius: 8px;
}

.icon-button:hover {
  background: var(--tile-bg);
}

.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin: 20px 0;
}

.stat-tile {
  background: var(--tile-bg);
  border-radius: 12px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-tile .stat-value {
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1;
}

.stat-tile .stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.stat-tile.ready .stat-value {
  color: var(--ready);
}

.stat-tile.busy .stat-value {
  color: var(--busy);
}

.stat-tile.error .stat-value {
  color: var(--error);
}

.settings-panel {
  background: var(--tile-bg);
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.settings-panel input[type="range"] {
  flex: 1 1 160px;
  max-width: 240px;
}

.retention-note {
  margin-left: auto;
  font-size: 0.78rem;
  opacity: 0.8;
}

.hidden {
  display: none !important;
}

#empty-state {
  color: var(--text-muted);
  text-align: center;
  margin-top: 60px;
}

main {
  padding-bottom: 32px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--card-min, 220px), 1fr));
  gap: 16px;
}

.card {
  background: var(--card-bg);
  border-radius: 12px;
  overflow: hidden;
  cursor: default;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.card.clickable {
  cursor: pointer;
}

.card.clickable:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
}

.thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #262a33;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 2rem;
  overflow: hidden;
}

.thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-body {
  padding: 12px;
}

.filename {
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
}

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
}

.delete-button {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  padding: 4px 6px;
  border-radius: 6px;
  opacity: 0.6;
}

.delete-button:hover {
  opacity: 1;
  background: color-mix(in srgb, var(--error) 20%, transparent);
}

.badge.ready {
  background: color-mix(in srgb, var(--ready) 25%, transparent);
  color: var(--ready);
}

.badge.busy {
  background: color-mix(in srgb, var(--busy) 25%, transparent);
  color: var(--busy);
}

.badge.error {
  background: color-mix(in srgb, var(--error) 25%, transparent);
  color: var(--error);
}

.modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 16px;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
}

.modal-content {
  position: relative;
  width: min(92vw, 960px);
  z-index: 51;
}

.modal-content video {
  width: 100%;
  max-height: 80vh;
  border-radius: 8px;
  background: black;
}

.modal-close {
  position: absolute;
  top: -44px;
  right: 0;
  background: none;
  border: none;
  color: var(--text);
  font-size: 2rem;
  cursor: pointer;
  line-height: 1;
}

.token-content {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 28px;
  width: min(90vw, 360px);
}

.token-content h2 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.token-content p {
  margin: 0 0 16px;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.token-content input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid #333844;
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
  margin-bottom: 12px;
}

.token-content button {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: white;
  font-size: 0.95rem;
  cursor: pointer;
  font-weight: 600;
}

@media (max-width: 640px) {
  .header-inner {
    padding: 14px 16px;
  }

  header h1 {
    font-size: 1.05rem;
  }

  .page {
    padding: 0 12px;
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin: 14px 0;
  }

  .stat-tile {
    padding: 10px 12px;
  }

  .stat-tile .stat-value {
    font-size: 1.3rem;
  }

  .grid {
    grid-template-columns: repeat(auto-fill, minmax(min(var(--card-min, 220px), 45vw), 1fr));
    gap: 10px;
  }

  .settings-panel {
    justify-content: space-between;
  }

  .modal-close {
    top: -38px;
    font-size: 1.7rem;
  }
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f6f8;
    --card-bg: #ffffff;
    --tile-bg: #eef0f4;
    --text: #1a1d24;
    --text-muted: #6b7280;
  }

  header {
    border-bottom-color: #e2e4e9;
  }

  .icon-button {
    border-color: #d7dae1;
  }

  .thumb {
    background: #e9ebef;
  }
}