.collections-toolbar{display:grid;gap:12px;margin:14px 0 16px;padding:12px;border:1px solid var(--line,#e7e8f0);border-radius:18px;background:#fff;box-shadow:0 10px 28px rgba(32,35,86,.05)}
.collections-toolbar-top{display:flex;gap:10px;align-items:center;justify-content:space-between;min-width:0}
.collections-segments{display:flex;gap:8px;overflow:auto;padding-bottom:2px;scrollbar-width:none;min-width:0}.collections-segments::-webkit-scrollbar{display:none}.collections-segments button{border:0;border-radius:999px;padding:9px 13px;background:#eef0f6;color:#636678;font-weight:800;white-space:nowrap;flex:0 0 auto}.collections-segments button.active{background:var(--brand,#5b5ce2);color:#fff}.collection-search-wrap{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:8px;padding:0 12px;border:1px solid var(--line,#e7e8f0);border-radius:14px;background:#f8f9fc}.collection-search-wrap span{color:#7b7e90}.collection-search-wrap input{width:100%;min-width:0;margin:0;border:0!important;box-shadow:none!important;background:transparent!important;padding:12px 0!important;outline:none}
.collection-rich-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:16px;align-items:start}.collection-rich-card{min-width:0;overflow:hidden;border:1px solid var(--line,#e7e8f0);border-radius:22px;background:#fff;box-shadow:0 14px 34px rgba(32,35,86,.08)}.collection-cover{position:relative;aspect-ratio:16/9;background:linear-gradient(135deg,#262864,#7865ef);display:grid;grid-template-columns:repeat(2,1fr);grid-template-rows:repeat(2,1fr);gap:2px;overflow:hidden}.collection-cover img{width:100%;height:100%;object-fit:cover}.collection-cover .cover-fallback{grid-column:1/-1;grid-row:1/-1;display:grid;place-items:center;color:#fff;font-weight:900;font-size:36px}.visibility-pill{position:absolute;left:10px;top:10px;padding:6px 9px;border-radius:999px;background:rgba(14,16,38,.72);color:#fff;font-size:10px;font-weight:900;text-transform:uppercase;backdrop-filter:blur(8px)}.collection-rich-body{padding:15px;display:grid;gap:10px;min-width:0}.collection-rich-body h3{margin:0;font-size:20px;overflow-wrap:anywhere}.collection-rich-body p{margin:0;color:var(--muted,#717486);line-height:1.45;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}.collection-meta{display:flex;gap:12px;flex-wrap:wrap;color:var(--muted,#717486);font-size:12px}.collection-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.collection-actions button{min-width:0;border:0;border-radius:12px;padding:10px 12px;font-weight:800}.collection-actions .primary{background:var(--brand,#5b5ce2);color:#fff}.collection-actions .secondary{background:#eef0f6}.collection-actions .danger{background:#fff0f3;color:#b52c46}
.collection-detail-stack{display:grid;gap:14px}.collection-back{justify-self:start}.collection-hero-card{display:grid;grid-template-columns:minmax(220px,.9fr) minmax(0,1.1fr)}.collection-hero-card .collection-cover{height:100%;aspect-ratio:auto;min-height:220px}.collection-detail-grid{margin-top:2px;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}.collection-saved-item{display:grid;grid-template-columns:72px minmax(0,1fr) auto;align-items:center;gap:10px;padding:10px;border:1px solid var(--line,#e7e8f0);border-radius:16px;background:#fff;min-width:0}.collection-saved-item img,.collection-item-fallback{width:72px;height:72px;border-radius:12px;object-fit:cover;background:linear-gradient(135deg,#25275f,#6d5ce8)}.collection-item-fallback{display:grid;place-items:center;color:#fff;font-size:11px;font-weight:900}.collection-saved-item div{min-width:0;display:grid;gap:3px}.collection-saved-item strong,.collection-saved-item small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.collection-saved-item small{color:var(--muted,#717486)}.collection-saved-item button{border:0;border-radius:10px;padding:9px 10px;background:#eef0ff;color:var(--brand,#5b5ce2);font-weight:850}
.collection-sheet{border:0;border-radius:24px 24px 0 0;padding:0;max-width:620px;width:min(100%,620px);max-height:82vh;margin:auto auto 0;box-shadow:0 -24px 80px rgba(20,22,64,.25);overflow:hidden}.collection-sheet::backdrop{background:rgba(13,15,35,.48)}.collection-sheet form{padding:20px;max-height:82vh;display:grid;gap:12px}.sheet-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:2px}.sheet-head h3{margin:0}.sheet-head p{margin:3px 0 0}.sheet-close{border:0;background:#eef0f6;border-radius:50%;width:36px;height:36px;font-size:20px;flex:0 0 auto}.collection-choice-list{display:grid;gap:9px;max-height:46vh;overflow:auto;margin:4px 0}.collection-choice{display:grid;grid-template-columns:22px minmax(0,1fr) 24px;align-items:center;gap:10px;padding:12px;border:1px solid var(--line,#e7e8f0);border-radius:14px}.collection-choice input{width:20px;height:20px;margin:0}.collection-choice strong{display:block}.collection-choice small{display:block;color:var(--muted,#717486)}.collection-choice.selected,.collection-choice:has(input:checked){border-color:var(--brand,#5b5ce2);background:#f5f3ff;box-shadow:0 0 0 2px rgba(91,92,226,.08)}.collection-choice-check{opacity:0;color:var(--brand,#5b5ce2);font-size:18px;text-align:center}.collection-choice.selected .collection-choice-check,.collection-choice:has(input:checked) .collection-choice-check{opacity:1}.collection-quick-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.collection-empty{grid-column:1/-1;padding:26px;border:1px dashed var(--line,#e7e8f0);border-radius:20px;text-align:center;color:var(--muted,#717486);background:#fafaff}.collection-empty strong{display:block;color:var(--ink,#25273a);font-size:18px;margin-bottom:6px}.collection-empty p{margin:0 0 12px}.collection-state{min-height:150px;display:grid;place-items:center;align-content:center}.add-to-collection-button{border:0;border-radius:12px;padding:10px 12px;background:#eef0ff;color:var(--brand,#5b5ce2);font-weight:850}.rich-action.collection-assigned,[data-add-to-collections][data-collection-assigned="true"]{background:#eef0ff!important;border-color:#cbc8ff!important;color:var(--brand,#5b5ce2)!important;box-shadow:inset 0 0 0 1px rgba(91,92,226,.08)}.collection-title-row{display:flex;align-items:center;justify-content:space-between;gap:10px;min-width:0}.collection-title-row h3{overflow:hidden;text-overflow:ellipsis}.collection-count-pill{flex:0 0 auto;min-width:30px;height:30px;padding:0 8px;border-radius:999px;display:grid;place-items:center;background:#f0f0ff;color:var(--brand,#5b5ce2);font-size:12px;font-weight:900}
html,body{max-width:100%;overflow-x:hidden}.page-shell,.panel,.library-panel,.discover-panel,.creator-panel,.knowledge-grid,.knowledge-card,.collection-rich-grid,.collection-rich-card{min-width:0;max-width:100%}
@media(max-width:760px){.page-shell{width:100%!important;padding:14px 10px 96px!important}.library-panel,.discover-panel,.creator-panel{width:100%;padding:16px 12px!important;border-radius:20px!important;overflow:hidden}.library-panel .panel-heading,.discover-panel .panel-heading{gap:10px;margin-bottom:14px}.library-panel .panel-heading h2,.discover-panel .panel-heading h2{font-size:30px;line-height:1.05}.library-panel .panel-heading .muted,.discover-panel .panel-heading .muted{font-size:14px;line-height:1.45}.search{width:100%;max-width:100%;font-size:16px;padding:13px 14px}.library-summary{display:flex!important;flex-wrap:wrap!important;overflow:visible!important;gap:7px!important;width:100%}.library-summary span{min-width:0!important;white-space:nowrap;flex:0 0 auto}.filter-row{display:flex!important;flex-wrap:wrap!important;overflow:visible!important;gap:7px!important;width:100%;margin-bottom:14px!important;padding:0!important}.filter-pill{flex:0 0 auto;max-width:100%;padding:9px 13px!important;font-size:13px}.knowledge-grid{grid-template-columns:minmax(0,1fr)!important;width:100%;gap:14px}.knowledge-card{width:100%;max-width:100%;border-radius:18px!important}.knowledge-media{width:100%;aspect-ratio:16/10}.knowledge-primary-actions{grid-template-columns:repeat(4,minmax(0,1fr))!important;width:100%;gap:6px!important;padding:10px!important}.rich-action{min-width:0!important;padding:8px 4px!important}.rich-action span{font-size:10px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.knowledge-body{min-width:0;padding:13px!important}.knowledge-body>*{max-width:100%}.collections-toolbar{padding:10px;border-radius:16px;width:100%;min-width:0}.collections-toolbar-top{align-items:stretch;flex-direction:column}.collections-toolbar-top>.button{width:100%}.collections-segments{width:100%;margin:0 -2px;padding:0 2px 3px}.collection-search-wrap{width:100%;min-width:0}.collection-rich-grid{grid-template-columns:minmax(0,1fr)!important;gap:12px;width:100%}.collection-rich-card{width:100%;border-radius:18px}.collection-rich-body{padding:13px}.collection-rich-body h3{font-size:18px}.collection-actions{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.collection-actions button{padding:11px 6px;font-size:12px}.collection-hero-card{display:block}.collection-hero-card .collection-cover{min-height:0;aspect-ratio:16/9}.collection-sheet{width:calc(100% - 8px)!important;max-height:86dvh;margin:auto 4px 0!important}.collection-sheet form{padding:16px;max-height:86dvh;overflow:auto}.collection-quick-actions{grid-template-columns:1fr}.collection-quick-actions .button{width:100%}.collection-detail-grid{grid-template-columns:minmax(0,1fr)!important}.collection-saved-item{grid-template-columns:64px minmax(0,1fr) auto}.collection-saved-item img,.collection-item-fallback{width:64px;height:64px}}
@media(max-width:390px){.library-panel,.discover-panel,.creator-panel{padding-inline:10px!important}.page-shell{padding-inline:8px!important}.collections-segments button{padding:8px 11px;font-size:12px}.collection-meta{gap:8px;font-size:11px}.collection-actions button{font-size:11px}.collection-search-wrap{padding:0 10px}.filter-pill{padding:8px 11px!important;font-size:12px}.rich-action span{display:inline!important;font-size:9px}.rich-action.icon-only span{display:none!important}.collection-saved-item{grid-template-columns:56px minmax(0,1fr)}.collection-saved-item img,.collection-item-fallback{width:56px;height:56px}.collection-saved-item button{grid-column:1/-1;width:100%}}