/* ---------------- Library ---------------- */
.lib-page { max-width: 1180px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.lib-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; }
.lib-title { font-size: 28px; font-weight: 800; margin: 0 0 4px; letter-spacing: -0.02em; }
.lib-sub { margin: 0; color: var(--text-muted); font-size: 14.5px; }
.lib-head-actions .btn { cursor: pointer; }

.lib-toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.lib-search {
  flex: 1 1 240px; min-width: 0; font: inherit; font-size: 14px; padding: 10px 14px; border-radius: 10px;
  border: 1px solid var(--border-subtle); background: var(--bg-input); color: var(--text-main);
}
.lib-search:focus { outline: 2px solid var(--primary); outline-offset: 1px; }
.lib-filters { display: inline-flex; gap: 4px; background: var(--bg-input); border: 1px solid var(--border-subtle); border-radius: 10px; padding: 3px; }
.lib-chip { font: inherit; font-size: 13px; font-weight: 600; border: 0; background: none; color: var(--text-muted); padding: 7px 12px; border-radius: 8px; cursor: pointer; }
.lib-chip.active { background: var(--primary); color: #fff; }
.lib-select { font: inherit; font-size: 13.5px; padding: 9px 10px; border-radius: 10px; border: 1px solid var(--border-subtle); background: var(--bg-input); color: var(--text-main); width: auto; }

.lib-selectbar[hidden] { display: none; }
.lib-selectbar { display: flex; align-items: center; gap: 14px; font-size: 13.5px; color: var(--text-muted); }
.lib-select-all { display: flex; align-items: center; gap: 8px; cursor: pointer; margin: 0; }
.lib-select-all input { width: 16px; height: 16px; accent-color: var(--primary); margin: 0; }
.lib-selectbar .btn { margin-left: auto; }

.lib-drop { position: relative; border-radius: var(--radius-lg); }
.lib-drop-hint { display: none; }
.lib-drop.dragover { outline: 2px dashed var(--primary); outline-offset: 6px; }
.lib-drop.dragover .lib-drop-hint {
  display: grid; place-items: center; position: absolute; inset: 0; z-index: 5; border-radius: var(--radius-lg);
  background: rgba(10, 12, 16, 0.75); font-weight: 700; color: #fff;
}
.lib-uploading { padding: 10px 14px; border-radius: 10px; background: rgba(99, 102, 241, 0.12); border: 1px solid rgba(99, 102, 241, 0.3); font-size: 13.5px; }

.lib-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 14px; }
.lib-empty { grid-column: 1 / -1; text-align: center; padding: 44px 16px; color: var(--text-muted); border: 1px dashed var(--border-subtle); border-radius: var(--radius-lg); background: var(--bg-card); }
.lib-empty.err { color: var(--accent-rose); }
.lib-card { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: 14px; overflow: hidden; display: flex; flex-direction: column; transition: border-color .15s, transform .15s; }
.lib-card:hover { border-color: rgba(99, 102, 241, 0.45); }
.lib-card.picked { border-color: var(--primary); box-shadow: 0 0 0 2px var(--primary-glow); }
.lib-preview { position: relative; aspect-ratio: 4 / 5; background: #05070f; overflow: hidden; }
.lib-preview video, .lib-preview img { width: 100%; height: 100%; object-fit: cover; display: block; }
.lib-draft-icon { width: 100%; height: 100%; display: grid; place-items: center; color: #a5b4fc; background: linear-gradient(135deg, rgba(99, 102, 241, 0.25), rgba(168, 85, 247, 0.18)); }
.lib-badge { position: absolute; left: 8px; bottom: 8px; font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 99px; background: rgba(0, 0, 0, 0.6); color: #fff; }
.lib-badge.draft { background: rgba(99, 102, 241, 0.85); }
.lib-check { position: absolute; top: 8px; left: 8px; width: 26px; height: 26px; display: grid; place-items: center; border-radius: 8px; background: rgba(0, 0, 0, 0.55); cursor: pointer; margin: 0; }
.lib-check input { width: 16px; height: 16px; accent-color: var(--primary); margin: 0; }
.lib-meta { padding: 10px 12px 12px; display: flex; flex-direction: column; gap: 4px; flex: 1; }
.lib-name { font-weight: 650; font-size: 14px; line-height: 1.3; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.lib-caption { font-size: 12.5px; color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lib-info { font-size: 12px; color: var(--text-faint); }
.lib-actions { display: flex; gap: 6px; margin-top: auto; padding-top: 8px; flex-wrap: wrap; }
.lib-actions .btn { padding: 6px 9px; font-size: 12.5px; display: inline-flex; align-items: center; justify-content: center; }
.lib-actions .btn:first-child { flex: 1; }
.lib-actions .lib-del:hover { color: var(--accent-rose); border-color: var(--accent-rose); }
.lib-more { text-align: center; }
.lib-more .btn[hidden] { display: none; }

/* Picker popup */
.lib-picker-overlay { position: fixed; inset: 0; z-index: 1000; background: rgba(5, 7, 12, 0.72); backdrop-filter: blur(4px); display: grid; place-items: center; padding: 16px; }
.lib-picker { width: min(920px, 100%); max-height: min(86vh, 900px); display: flex; flex-direction: column; background: var(--bg-card-elevated); border: 1px solid var(--border-subtle); border-radius: var(--radius-lg); box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.8); overflow: hidden; }
.lib-picker-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 18px 8px; }
.lib-picker-head h3 { margin: 0; font-size: 18px; }
.lib-picker-x { border: 0; background: none; color: var(--text-muted); font-size: 24px; cursor: pointer; line-height: 1; }
.lib-picker-tools { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 0 18px 10px; }
.lib-picker-upload { cursor: pointer; margin: 0; }
.lib-picker-status { margin: 0 18px 8px; padding: 8px 12px; border-radius: 8px; background: rgba(99, 102, 241, 0.12); font-size: 13px; }
.lib-picker-status[hidden] { display: none; }
.lib-picker-grid { flex: 1; overflow: auto; padding: 4px 18px 10px; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
.lib-picker-grid .lib-card { cursor: pointer; }
.lib-picker-more { text-align: center; padding-bottom: 6px; }
.lib-picker-more .btn[hidden] { display: none; }
.lib-picker-foot { display: flex; align-items: center; gap: 8px; padding: 12px 18px; border-top: 1px solid var(--border-subtle); }
.lib-picker-count { margin-right: auto; font-size: 13px; color: var(--text-muted); }

/* Studio: save/open drafts, and "from your Library" next to the upload areas */
.studio-library-bar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; justify-content: space-between; margin: 0 0 14px; padding: 10px 14px; border: 1px solid var(--border-subtle); border-radius: var(--radius-md); background: var(--bg-card); }
.studio-library-hint { font-size: 13px; color: var(--text-muted); }
.studio-library-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.studio-library-actions .btn, .library-pick-row .btn, .ai-ref-head .btn { display: inline-flex; align-items: center; gap: 6px; }
.library-pick-row { display: flex; align-items: center; justify-content: center; gap: 10px; margin-top: 10px; font-size: 12.5px; color: var(--text-faint); }

@media (max-width: 560px) {
  .lib-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .lib-picker-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lib-selectbar { flex-wrap: wrap; }
  .studio-library-actions { width: 100%; }
  .studio-library-actions .btn { flex: 1; justify-content: center; }
}
.lib-upload-btn {
  display: inline-flex; align-items: center; gap: 6px; cursor: pointer; margin: 0; padding: 10px 18px; border-radius: 10px;
  font-weight: 700; font-size: 14px; color: #fff; background: linear-gradient(135deg, #6366f1, #a855f7); box-shadow: 0 6px 18px var(--primary-glow);
}
.lib-upload-btn:hover { filter: brightness(1.08); }