:root {
  --bg: #0b0e14;
  --bg-soft: #131826;
  --card: #171d2e;
  --card-hover: #1e2740;
  --line: #263049;
  --text: #e8ecf5;
  --muted: #8b95ad;
  --accent: #5eead4;
  --accent-2: #818cf8;
  --danger: #f87171;
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
  background:
    radial-gradient(1000px 500px at 85% -10%, rgba(129, 140, 248, 0.12), transparent 60%),
    radial-gradient(800px 400px at 0% 0%, rgba(94, 234, 212, 0.08), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 28px clamp(20px, 5vw, 56px) 12px;
}

.brand { display: flex; align-items: center; gap: 14px; }

.brand-mark {
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0b0e14;
  font-size: 18px;
  font-weight: 700;
}

.brand h1 { margin: 0; font-size: 22px; letter-spacing: 0.5px; }
.brand-sub { margin: 2px 0 0; color: var(--muted); font-size: 12px; }

.topbar-actions { display: flex; align-items: center; gap: 14px; }

.search {
  width: min(320px, 60vw);
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--text);
  font-size: 14px;
  outline: none;
}
.search:focus { border-color: var(--accent-2); }
.search::placeholder { color: var(--muted); }

.sort-select {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--text);
  font-size: 13px;
  outline: none;
  cursor: pointer;
}
.sort-select:focus { border-color: var(--accent-2); }

.edit-btn {
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
}
.edit-btn:hover { border-color: var(--accent-2); }
.edit-btn.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0b0e14;
  font-weight: 700;
  border-color: transparent;
}

.count { color: var(--muted); font-size: 13px; white-space: nowrap; }

main { flex: 1; padding: 16px clamp(20px, 5vw, 56px) 40px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 18px;
}

.card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
  text-align: left;
  padding: 0;
  color: inherit;
  font: inherit;
  border-width: 1px;
  border-style: solid;
}
.card:hover, .card:focus-visible {
  transform: translateY(-3px);
  background: var(--card-hover);
  border-color: var(--accent-2);
}

.cover {
  aspect-ratio: 16 / 9;
  display: grid;
  place-items: center;
  font-size: 42px;
  font-weight: 800;
  color: rgba(11, 14, 20, 0.55);
  background: linear-gradient(135deg, var(--c1, #334), var(--c2, #556));
  background-size: cover;
  background-position: center;
}

.card-body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card-title { margin: 0; font-size: 16px; font-weight: 650; }
.card-desc {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 39px;
}
.card-meta { margin-top: auto; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.tag {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--accent);
  background: rgba(94, 234, 212, 0.06);
}
.ver { margin-left: auto; font-size: 11px; color: var(--muted); }

.empty { color: var(--muted); text-align: center; padding: 60px 0; }

.footer {
  padding: 20px clamp(20px, 5vw, 56px) 28px;
  color: var(--muted);
  font-size: 12px;
  border-top: 1px solid var(--line);
}
.footer code { color: var(--accent); background: var(--bg-soft); padding: 1px 6px; border-radius: 6px; }

.player {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(5, 7, 12, 0.86);
  backdrop-filter: blur(6px);
  display: flex;
  flex-direction: column;
  padding: clamp(8px, 3vh, 32px) clamp(8px, 4vw, 48px);
}
.player[hidden] { display: none; }

.player-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
}
.player-title { font-weight: 650; }
.player-actions { display: flex; align-items: center; gap: 10px; }
.player-actions a {
  color: var(--accent);
  text-decoration: none;
  font-size: 13px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
}
.player-actions a:hover { border-color: var(--accent); }
#player-close {
  width: 32px; height: 32px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--text);
  cursor: pointer;
  font-size: 14px;
}
#player-close:hover { border-color: var(--danger); color: var(--danger); }

#player-frame {
  flex: 1;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.edit-hint {
  margin: 4px 0 14px;
  padding: 8px 14px;
  border: 1px solid var(--accent-2);
  border-radius: 10px;
  background: rgba(129, 140, 248, 0.08);
  color: var(--text);
  font-size: 12.5px;
}

.card.editing { cursor: move; border-style: dashed; }
.card.editing:hover { transform: none; }
.card.dragging { opacity: 0.4; }
.card-hidden { opacity: 0.38; }

.cover { position: relative; }
.eye-btn {
  position: absolute;
  top: 8px; right: 8px;
  width: 30px; height: 30px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  background: rgba(11, 14, 20, 0.6);
  font-size: 15px;
  cursor: pointer;
}
.hidden-badge {
  position: absolute;
  left: 8px; top: 8px;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(248, 113, 113, 0.85);
  color: #0b0e14;
  font-size: 11px;
  font-weight: 700;
}

.editable {
  outline: none;
  border-radius: 6px;
  cursor: text;
}
.editable:hover { background: rgba(129, 140, 248, 0.1); }
.editable:focus { background: var(--bg); box-shadow: 0 0 0 1px var(--accent-2); }
.card-desc.editable {
  -webkit-line-clamp: unset;
  display: block;
  overflow: visible;
  min-height: 39px;
}

.tags-input {
  flex: 1;
  min-width: 0;
  padding: 5px 8px;
  border-radius: 8px;
  border: 1px dashed var(--line);
  background: transparent;
  color: var(--text);
  font-size: 12px;
  outline: none;
}
.tags-input:focus { border-style: solid; border-color: var(--accent-2); }

.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  z-index: 80;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  font-size: 13px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.45);
}
.toast[hidden] { display: none; }

.sort-select:disabled { opacity: 0.5; cursor: not-allowed; }