.lib-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0 0 1rem;
}
.lib-sys-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.55rem;
  margin-bottom: 1.1rem;
}
.lib-sys-card {
  display: grid;
  gap: 0.25rem;
  text-align: left;
  padding: 0.95rem 0.85rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  font: inherit;
}
.lib-sys-card:hover { border-color: var(--accent); }
.lib-sys-card strong { font-size: 0.98rem; }
.lib-sys-card.is-liked {
  background: linear-gradient(135deg, rgba(232, 180, 35, 0.16), var(--surface));
}
.lib-sys-card.is-douyin {
  background: linear-gradient(135deg, rgba(254, 44, 85, 0.14), var(--surface));
}
.lib-pl-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.7rem;
}
.lib-pl-card {
  padding: 0.85rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
}
.lib-pl-card h3 { margin: 0 0 0.3rem; font-size: 1rem; }
.lib-pl-actions { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 0.55rem; }
.lib-cat-row { display: flex; flex-wrap: wrap; gap: 0.35rem; margin: 0 0 0.8rem; }
.lib-cat-chip {
  border: 1px solid var(--border);
  background: transparent;
  color: inherit;
  border-radius: 999px;
  padding: 0.25rem 0.7rem;
  font-size: 0.8rem;
  cursor: pointer;
}
.lib-cat-chip.is-on { border-color: var(--accent); color: var(--accent); }
.lib-cat-toggles { display: grid; gap: 0.4rem; }
.lib-cat-toggles label { display: flex; gap: 0.5rem; align-items: center; }
#pl-import-dialog, #pl-create-dialog, #pl-douyin-dialog, #pl-cats-dialog { max-width: 460px; width: calc(100% - 2rem); }
#pl-import-dialog textarea, #pl-douyin-dialog textarea { width: 100%; }
@media (max-width: 720px) {
  .lib-sys-grid { grid-template-columns: 1fr 1fr; }
}