.collection-backup{border:1px solid var(--line);border-radius:var(--radius-xl);background:var(--paper-light);color:var(--ink);min-width:0;margin:12px 0;font-size:.875rem}.collection-backup>summary{cursor:pointer;min-height:44px;padding:10px 14px;font-weight:600}.collection-backup p{overflow-wrap:anywhere;margin:8px 14px;line-height:1.6}.collection-backup .soft-disclosure-content>p:first-child{color:var(--muted)}.collection-backup-actions{border-radius:var(--radius-xl);background:var(--surface-subtle);flex-wrap:wrap;gap:4px;margin:12px 14px;padding:4px;display:flex}.collection-backup-actions button{border-radius:var(--radius-md);max-width:100%;min-height:44px;font:inherit;color:var(--ink);overflow-wrap:anywhere;background:0 0;border:0;justify-content:center;align-items:center;gap:8px;padding:8px 12px;font-weight:500;display:inline-flex}.collection-backup-actions button>svg{flex-shrink:0}.collection-backup-actions button:disabled{opacity:.4}.collection-backup-preview{border-top:1px solid var(--line);padding:8px 0 4px}.collection-backup-preview>p{font-weight:600}.collection-backup-preview .collection-backup-actions{background:0 0;gap:8px;padding:0}.collection-backup-actions .collection-backup-merge{background:var(--primary);color:var(--paper-light);padding-inline:16px}@media (hover:hover){.collection-backup-actions button:not(:disabled):hover{background:var(--paper-light)}.collection-backup-preview button:not(:disabled):hover{background:var(--surface-subtle)}.collection-backup-actions .collection-backup-merge:not(:disabled):hover{background:var(--primary-hover)}}.watch-later-shelf{margin-bottom:20px;font-size:.875rem}.watch-later-shelf :is(button,.video-play-button),.watch-later-save{min-height:44px;color:var(--ink);font:inherit;cursor:pointer}.watch-later-toggle,.watch-later-save{border:1px solid var(--line);border-radius:var(--radius-md);background:var(--paper-light);overflow-wrap:anywhere;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;max-width:100%;padding:8px 12px;display:inline-flex}.watch-later-toggle[aria-expanded=true]{background:var(--blush);border-color:var(--primary)}.watch-later-toggle b{font-variant-numeric:tabular-nums}.watch-later-toggle svg,.watch-later-save svg{flex:none}.watch-later-panel{border-bottom:1px solid var(--line);padding:16px 0}.watch-later-panel p{margin:0 0 12px;line-height:1.6}.watch-later-local{color:var(--muted)}.watch-later-panel ul{grid-template-columns:repeat(auto-fit,minmax(min(100%,25rem),1fr));gap:0 24px;margin:0;padding:0;list-style:none;display:grid}.watch-later-panel li{border-top:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:4px 12px;min-width:0;padding:10px 0;display:flex}.watch-later-panel .video-play-button{text-align:left;flex:16rem;grid-template-columns:72px minmax(0,1fr);align-items:center;gap:12px;min-width:0;padding:0;display:grid}.watch-later-panel img{aspect-ratio:16/9;object-fit:cover;width:72px;height:auto}.watch-later-panel strong,.watch-later-panel small{overflow-wrap:anywhere;line-height:1.5;display:block}.watch-later-panel strong{font-size:.875rem}.watch-later-panel small{color:var(--muted);margin-top:4px;font-size:.75rem}.watch-later-remove{overflow-wrap:anywhere;background:0 0;border:0;align-items:center;gap:4px;max-width:100%;padding:8px;display:inline-flex}.watch-later-remove svg{flex:none}.video-guide-list .watch-later-save{background:0 0;border-color:#0000;margin:0 0 8px;padding:6px 8px;font-size:.875rem}.watch-later-save[aria-pressed=true]{color:var(--primary)}.watch-later-save:disabled{opacity:.55;cursor:default}.watch-later-save:hover:not(:disabled),.watch-later-remove:hover{background:var(--surface-subtle)}.watch-later-error{overflow-wrap:anywhere;line-height:1.6}.watch-later-error button{border:1px solid var(--line);border-radius:var(--radius-md);background:var(--paper-light);margin-left:8px;padding:8px;display:inline-block}.watch-later-surface{border:1px solid var(--line);background:var(--paper-light);border-radius:22px;width:fit-content;max-width:100%}.watch-later-surface[data-open=true]{border-radius:var(--radius-xl);border-color:var(--primary);width:100%}.watch-later-surface[data-moving=true]{overflow:clip}.watch-later-surface .watch-later-toggle{border-radius:inherit;background:0 0;border:0;justify-content:flex-start}.watch-later-toggle b{background:var(--surface-subtle);border-radius:50%;place-items:center;min-width:1.6em;min-height:1.6em;padding:0 4px;font-size:.8rem;display:grid}.watch-later-toggle>svg:last-child{margin-left:2px}.watch-later-toggle[aria-expanded=true]>svg:last-child{transform:rotate(180deg)}.watch-later-surface .watch-later-panel{border-bottom:0;padding:8px 16px 16px}.watch-later-save svg{transform-origin:50%}@media (prefers-reduced-motion:no-preference){.watch-later-surface{transition:border-radius .24s,border-color .16s}.watch-later-toggle>svg:last-child{transition:transform .22s cubic-bezier(.2,.8,.2,1)}}.watch-later-panel[aria-hidden=true]{opacity:0}.watch-later-selection-header{justify-content:flex-end;padding-bottom:8px;display:flex}.watch-later-selection-header button,.watch-later-batch button{border:1px solid var(--line);border-radius:var(--radius-md);background:var(--paper-light);padding:8px 12px}.watch-later-selection{cursor:pointer;justify-content:center;align-items:center;min-width:44px;min-height:44px;display:flex}.watch-later-selection input{width:20px;height:20px;accent-color:var(--primary)}.watch-later-panel li[data-selected=true]{background:var(--surface-subtle);box-shadow:inset 3px 0 var(--primary)}.watch-later-panel li:has(.watch-later-selection){grid-template-columns:44px minmax(0,1fr);display:grid}.watch-later-batch{border:1px solid var(--primary);background:var(--paper-light);border-radius:var(--radius-xl);z-index:1;flex-wrap:wrap;align-items:center;gap:8px;margin-top:12px;padding:12px;display:flex;position:sticky;bottom:12px}.watch-later-batch strong{margin-right:auto}.watch-later-batch button:disabled{opacity:.45;cursor:default}.watch-later-panel:has(.watch-later-selection)>.watch-later-batch{scroll-margin-bottom:100px}@media (prefers-reduced-motion:no-preference){.watch-later-batch{animation:.16s ease-out watch-later-batch-enter}}@keyframes watch-later-batch-enter{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}