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var(--border);margin-bottom:14px}.sidebar-title{margin:0;font-size:11px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;color:var(--text-dim)}.sidebar-empty{font-size:12px;color:var(--text-faint);margin:0;padding:4px}.tree-list,.tree-children{list-style:none;margin:0;padding:0}.tree-children{margin-left:14px;padding-left:0;border-left:1px solid var(--border)}.tree-children .tree-row{padding-left:8px}.tree-row{display:grid;grid-template-columns:16px 1fr;align-items:center;gap:2px;margin:1px 0}.tree-toggle{width:16px;height:22px;border:0;background:transparent;color:var(--text-faint);cursor:pointer;padding:0;font-size:12px;line-height:1;display:inline-flex;align-items:center;justify-content:center}.tree-toggle:disabled{cursor:default;visibility:hidden}.tree-toggle span{display:inline-block;transition:transform .15s ease}.tree-toggle span.open{transform:rotate(90deg);color:var(--text)}.tree-label{border:0;background:transparent;padding:4px 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ease}.upload-submit:hover:not(:disabled){background:#fff}.upload-submit:disabled{background:var(--text-faint);color:var(--bg);cursor:default}.upload-progress{flex:1;height:4px;background:var(--surface-hover);border:1px solid var(--border);overflow:hidden}.upload-progress-bar{height:100%;background:var(--text);transition:width .15s ease}.upload-progress-count{font-size:12px;color:var(--text-dim);flex-shrink:0;font-variant-numeric:tabular-nums}@media(prefers-reduced-motion:reduce){.upload-tray{animation:none}}@media(max-width:800px){.page{grid-template-columns:1fr}.sidebar{position:relative;height:auto;border-right:0;border-bottom:1px solid var(--border);padding:20px 18px}.content{padding:24px 20px 48px}.upload-fab{right:16px;bottom:16px;padding:12px 16px}.upload-tray{right:0;left:0;bottom:0;width:100%;max-width:100%;max-height:86vh;border-left:0;border-right:0;border-bottom:0;animation:sheet-in .2s ease}@keyframes sheet-in{0%{transform:translateY(100%)}}.upload-source{padding:16px 6px}.upload-item-remove{opacity:1;width:22px;height:22px;background:#000000b8}}@media(max-width:800px)and (prefers-reduced-motion:reduce){.upload-tray{animation:none}}