:root{--color-primary:#0061fe;--color-primary-hover:#0052d4;--color-primary-light:#e6f0ff;--color-text-primary:#1e1f21;--color-text-secondary:#5b616a;--color-bg-body:#f7f9fa;--color-bg-card:#fff;--color-border:#e8ebed;--color-hover:#f2f5f7;--color-active:#e6f0ff;--color-danger:#d62b2b;--color-danger-hover:#b51d1d;--color-danger-light:#fdf2f2;--color-success:#097138;--color-success-light:#ebf7ee;--font-stack:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--border-radius:4px;--box-shadow:0 1px 3px #0000000d, 0 1px 2px #00000014}*{box-sizing:border-box;margin:0;padding:0}body,html,#root{width:100%;height:100%;font-family:var(--font-stack);background-color:var(--color-bg-body);color:var(--color-text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow:hidden}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spinner{animation:.8s linear infinite 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var(--color-border);border-radius:var(--border-radius);background-color:var(--color-bg-card);width:100%;height:38px;color:var(--color-text-secondary);cursor:pointer;justify-content:center;align-items:center;gap:8px;font-family:inherit;font-size:13px;font-weight:500;display:flex}.btn-logout:hover{background-color:var(--color-danger-light);color:var(--color-danger);border-color:#f3c9c9}.main-content{flex-direction:column;flex-grow:1;height:100%;display:flex;overflow:hidden}.main-header{border-bottom:1px solid var(--color-border);background-color:var(--color-bg-card);flex-shrink:0;justify-content:space-between;align-items:center;height:64px;padding:0 24px;display:flex}.header-breadcrumbs{align-items:center;font-size:14px;display:flex}.crumb-root{color:var(--color-text-secondary);font-weight:400}.crumb-separator{color:var(--color-text-secondary);margin:0 8px}.crumb-active{color:var(--color-text-primary);font-weight:600}.search-files{max-width:320px;position:relative}.search-files 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video{object-fit:contain;width:100%;height:100%;max-height:100%}.preview-pdf-container{background-color:#fff;width:100%;height:100%}.preview-pdf-container iframe{border:none;width:100%;height:100%}.preview-text-container{color:#e3e3e3;text-align:left;background-color:#1a1a1a;width:100%;height:100%;padding:24px;overflow:auto}.preview-text-container pre{white-space:pre-wrap;font-family:Courier New,Courier,monospace;font-size:13px;line-height:1.6}.preview-loading{color:#fff;flex-direction:column;justify-content:center;align-items:center;gap:12px;display:flex}.preview-fallback{text-align:center;color:#bac4cc;flex-direction:column;justify-content:center;align-items:center;padding:40px;display:flex}.preview-fallback h3{color:#fff;margin-top:16px;margin-bottom:8px;font-size:18px;font-weight:500}.preview-fallback 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.actions-cell{justify-content:center!important}.btn-more-actions{width:40px!important;height:40px!important}}[data-theme=dark]{--color-primary:#3b82f6;--color-primary-hover:#60a5fa;--color-primary-light:#3b82f626;--color-text-primary:#f3f4f6;--color-text-secondary:#9ca3af;--color-bg-body:#0b0f19;--color-bg-card:#111827;--color-border:#1f2937;--color-hover:#1f2937;--color-active:#3b82f633;--color-danger-light:#ef44441a;--color-success-light:#10b9811a}.sub-toolbar{border-bottom:1px solid var(--color-border);background-color:var(--color-bg-card);flex-wrap:wrap;flex-shrink:0;justify-content:space-between;align-items:center;gap:16px;padding:12px 24px;display:flex}.sub-toolbar-left,.sub-toolbar-right{align-items:center;gap:12px;display:flex}.sub-toolbar-select{border:1px solid var(--color-border);border-radius:var(--border-radius);background-color:var(--color-bg-card);height:34px;color:var(--color-text-primary);cursor:pointer;outline:none;padding:0 8px;font-family:inherit;font-size:13px}.sub-toolbar-select:focus{border-color:var(--color-primary)}.sub-toolbar-btn{background-color:var(--color-bg-card);height:34px;color:var(--color-text-primary);border:1px solid var(--color-border);border-radius:var(--border-radius);cursor:pointer;justify-content:center;align-items:center;gap:6px;padding:0 12px;font-family:inherit;font-size:13px;font-weight:500;transition:all .15s;display:inline-flex}.sub-toolbar-btn:hover{background-color:var(--color-hover)}.sub-toolbar-btn.active{background-color:var(--color-primary-light);color:var(--color-primary);border-color:var(--color-primary)}.folder-item-btn{position:relative}.pin-btn{opacity:0;color:var(--color-text-secondary);cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;margin-left:auto;padding:4px;transition:all .15s;display:inline-flex}.folder-item-btn:hover .pin-btn,.folder-item-btn.active .pin-btn,.pin-btn.pinned{opacity:1}.pin-btn.pinned{color:#f59e0b}.pin-btn:hover{background-color:var(--color-hover)}.hide-btn{opacity:0;color:var(--color-text-secondary);cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;margin-left:4px;padding:4px;transition:all .15s;display:inline-flex}.folder-item-btn:hover .hide-btn,.folder-item-btn.active .hide-btn{opacity:.6}.hide-btn:hover{background-color:var(--color-hover);color:#ef4444!important;opacity:1!important}.file-checkbox-wrapper{justify-content:center;align-items:center;margin-right:12px;display:flex}.file-checkbox{cursor:pointer;width:16px;height:16px;accent-color:var(--color-primary)}.grid-checkbox-wrapper{z-index:10;background-color:var(--color-bg-card);border-radius:var(--border-radius);border:1px solid var(--color-border);box-shadow:var(--box-shadow);justify-content:center;align-items:center;padding:4px;display:flex;position:absolute;top:10px;left:10px}.multi-select-bar{background-color:var(--color-bg-card);border:1px solid var(--color-border);z-index:100;border-radius:8px;align-items:center;gap:20px;padding:12px 24px;animation:.2s cubic-bezier(.16,1,.3,1) slideUp;display:flex;position:fixed;bottom:24px;left:55%;transform:translate(-50%);box-shadow:0 10px 15px -3px #00000026,0 4px 6px -2px #0000001a}@keyframes slideUp{0%{opacity:0;transform:translate(-50%,100px)}to{opacity:1;transform:translate(-50%)}}.multi-select-bar span{color:var(--color-text-primary);font-size:14px;font-weight:500}.zoom-controls{z-index:20;background-color:#1e1f21d9;border-radius:20px;align-items:center;gap:8px;padding:6px 12px;display:flex;position:absolute;bottom:24px;left:50%;transform:translate(-50%)}.zoom-btn{color:#fff;cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:6px;transition:background-color .15s;display:flex}.zoom-btn:hover{background-color:#fff3}.zoom-scale-text{color:#fff;text-align:center;-webkit-user-select:none;user-select:none;min-width:44px;font-size:12px;font-weight:600}.preview-image-wrapper{cursor:grab;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:relative;overflow:hidden}.preview-image-wrapper:active{cursor:grabbing}.preview-image-wrapper img{object-fit:contain;-webkit-user-select:none;user-select:none;-webkit-user-drag:none;max-width:100%;max-height:100%;transition:transform .1s ease-out}.badge-readonly{color:var(--color-danger);background-color:var(--color-danger-light);border:1px solid #d62b2b33;border-radius:12px;align-items:center;margin-left:8px;padding:2px 8px;font-size:11px;font-weight:600;display:inline-flex}.theme-toggle-btn{border:1px solid var(--color-border);border-radius:var(--border-radius);color:var(--color-text-secondary);cursor:pointer;background:0 0;justify-content:center;align-items:center;width:34px;height:34px;transition:all .15s;display:flex}.theme-toggle-btn:hover{background-color:var(--color-hover);color:var(--color-primary)}.url-upload-form input{background-color:var(--color-bg-card);color:var(--color-text-primary)}.grid-item-card.folder-card{background-color:var(--color-hover);border-color:#d1d5db}[data-theme=dark] .grid-item-card.folder-card{background-color:var(--color-hover);border-color:#374151}.folder-card .grid-thumbnail-container{background-color:var(--color-bg-card);color:#f59e0b}.crumb-separator{color:var(--color-text-secondary)}.crumb-btn{color:var(--color-primary);cursor:pointer;border-radius:var(--border-radius);background:0 0;border:none;padding:2px 4px;font-family:inherit;font-size:14px;transition:all .15s}.crumb-btn:hover{background-color:var(--color-hover);text-decoration:underline}.crumb-active-text{color:var(--color-text-primary);padding:2px 4px;font-size:14px;font-weight:600}.create-folder-bar{border-left:1px solid var(--color-border);align-items:center;gap:8px;margin-left:4px;padding-left:12px;display:flex}.create-folder-input{border:1px solid var(--color-border);border-radius:var(--border-radius);background-color:var(--color-bg-card);height:34px;color:var(--color-text-primary);outline:none;width:140px;padding:0 10px;font-family:inherit;font-size:13px;transition:all .15s}.create-folder-input:focus{border-color:var(--color-primary);width:180px}.share-modal-content{flex-direction:column;gap:16px;padding:8px 0;display:flex}.share-select-group{flex-direction:column;gap:6px;display:flex}.share-select-group label{color:var(--color-text-secondary);font-size:12px;font-weight:600}.share-link-box{gap:8px;margin-top:8px;display:flex}.share-link-box input{border:1px solid var(--color-border);border-radius:var(--border-radius);background-color:var(--color-bg-body);height:36px;color:var(--color-text-primary);outline:none;flex-grow:1;padding:0 12px;font-family:inherit;font-size:13px}.qr-code-container{border:1px solid var(--color-border);border-radius:var(--border-radius);background-color:#fff;flex-direction:column;justify-content:center;align-self:center;align-items:center;gap:8px;width:fit-content;margin-top:16px;padding:16px;display:flex}.qr-code-container span{color:#5b616a;font-size:11px;font-weight:500}.btn-icon.share-btn{color:var(--color-text-secondary);transition:color .15s}.btn-icon.share-btn:hover{color:var(--color-primary);background-color:var(--color-hover)}.btn-more-actions{display:none}.action-sheet-backdrop{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);z-index:1000;background-color:#0006;justify-content:center;align-items:flex-end;display:flex;position:fixed;inset:0}.action-sheet{background-color:var(--color-bg-card);box-sizing:border-box;border:1px solid var(--color-border);border-bottom:none;border-top-left-radius:16px;border-top-right-radius:16px;width:100%;max-width:500px;padding:16px 16px 24px;animation:.25s cubic-bezier(.16,1,.3,1) forwards slideUpActionSheet;box-shadow:0 -4px 16px #00000026}@keyframes slideUpActionSheet{0%{transform:translateY(100%)}to{transform:translateY(0)}}.action-sheet-header{border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:flex-start;margin-bottom:16px;padding-bottom:12px;display:flex}.action-sheet-file-info{flex:1;align-items:center;gap:12px;margin-right:12px;display:flex;overflow:hidden}.action-sheet-file-info svg{color:var(--color-primary);flex-shrink:0}.action-sheet-file-text{text-align:left;flex-direction:column;display:flex;overflow:hidden}.action-sheet-title{color:var(--color-text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:15px;font-weight:600;overflow:hidden}.action-sheet-subtitle{color:var(--color-text-secondary);margin-top:2px;font-size:12px}.action-sheet-close-btn{color:var(--color-text-secondary);cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:4px;transition:background-color .15s;display:flex}.action-sheet-close-btn:hover{background-color:var(--color-hover);color:var(--color-text-primary)}.action-sheet-body{flex-direction:column;gap:8px;display:flex}.action-sheet-item{border-radius:var(--border-radius);width:100%;color:var(--color-text-primary);text-align:left;cursor:pointer;box-sizing:border-box;background:0 0;border:none;align-items:center;gap:12px;padding:12px;font-size:14px;font-weight:500;text-decoration:none;transition:background-color .15s;display:flex}.action-sheet-item:hover{background-color:var(--color-hover)}.action-sheet-item svg{color:var(--color-text-secondary)}.action-sheet-item.danger,.action-sheet-item.danger svg{color:var(--color-danger)}