.collection-shell{max-width:900px;margin:0 auto;padding:40px;color:var(--text-primary);box-sizing:border-box}.section-title{font-size:1.8em;margin:0 0 24px;color:var(--text-primary);padding-bottom:10px}.collections-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.collection-card-link{text-decoration:none;color:inherit}.post-card.collection-card{padding:16px;background:var(--component-bg-blur-alt);border:1px solid var(--border-color-blur);border-radius:8px;cursor:pointer;transition:transform .2s,border-color .2s}.post-card.collection-card:hover{transform:translateY(-2px);border-color:var(--component-text-primary-hover)}.collection-card-title{font-size:1.1em;margin:0 0 8px;font-weight:600;color:var(--component-text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.collection-card-desc{margin:0;color:var(--component-text-secondary);font-size:.92em;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.detail-header{margin-bottom:12px}.back-btn{background:transparent;border:none;color:var(--component-text-secondary);border-radius:6px;padding:6px 0;cursor:pointer}.back-btn:hover{color:var(--component-text-primary-hover)}.layer-detail #collection-title{margin:0 0 8px;color:var(--component-text-primary)}.layer-detail #collection-desc{margin:0 0 16px;color:var(--component-text-secondary)}.collection-tree{background:transparent;border:none;border-radius:0;padding:0}.mini-card{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:8px;background:transparent;border:1px solid transparent;cursor:pointer;transition:background .12s ease,transform .08s ease,border-color .12s ease}.mini-card.post{background:#0000}.mini-card.group-header{font-weight:700;font-variation-settings:"wght" 700;color:var(--component-text-primary)}.mini-card .caret{width:18px;height:18px;display:inline-flex;align-items:center;justify-content:center;border-radius:4px;background:transparent;border:0;color:var(--component-text-secondary);margin-left:auto}.mini-card .mini-title{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1 1 auto}.mini-icon{width:18px;height:18px;display:inline-flex;align-items:center;justify-content:center;margin-right:8px;color:var(--component-text-secondary);flex:0 0 18px}.mini-icon svg{display:block;width:18px!important;height:18px!important}.children-container{margin-left:12px;border-left:none;padding-left:12px}.children-container[hidden]{display:none}.mini-card.group-header:hover{background:var(--component-bg-hover);border-color:var(--component-text-primary-hover)}.mini-card.group-header.active{background:var(--component-bg-hover);border-color:var(--accent-color)}.mini-card.post:hover{background:var(--component-bg-hover);border-color:color-mix(in srgb,var(--component-text-primary-hover) 70%,transparent)}.mini-card .caret svg{transition:transform .12s linear;transform-origin:center;display:block!important;width:18px!important;height:18px!important}.mini-card .caret.expanded svg{transform:rotate(180deg)}.mini-card .caret{min-width:18px;min-height:18px;padding:0}.collection-tree ul{list-style:none;margin:0;padding:0}.collection-tree li{margin:8px 0;position:relative}.collection-tree strong{color:var(--component-text-primary);font-weight:600;font-variation-settings:"wght" 600;display:inline-block;margin-bottom:2px}.collection-tree a{color:var(--accent-color);text-decoration:none;border-bottom:1px solid transparent;transition:border-color .2s ease,color .2s ease}.collection-tree a:hover{color:var(--component-text-primary-hover);border-bottom-color:currentColor}@media(max-width:768px){.collection-shell{padding:20px 14px}.collections-grid{grid-template-columns:1fr;gap:10px}.post-card.collection-card{border-radius:12px;padding:12px 14px}.post-card.collection-card:hover{transform:none;background:var(--component-bg-hover)}}.collection-temp-bg{position:fixed;top:0;left:0;width:100%;height:100%;z-index:-1;pointer-events:none;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease}.collection-temp-bg.visible{opacity:1;visibility:visible}.collection-temp-bg-image{position:absolute;top:0;left:0;width:100%;height:100%;background-size:cover;background-position:center;background-repeat:no-repeat;filter:blur(10px);transform:scale(1.05)}.collection-temp-bg-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:#0000004d}@media(prefers-color-scheme:dark){.collection-temp-bg-overlay{background:#0009}}@media(prefers-color-scheme:light){.collection-temp-bg-overlay{background:#ffffff80}}:root[data-theme=dark] .collection-temp-bg-overlay{background:#0009}:root[data-theme=light] .collection-temp-bg-overlay{background:#ffffff80}