:root{--bg-primary: #0a0a0b;--bg-secondary: #0f0f11;--bg-tertiary: #141418;--bg-elevated: #1a1a1e;--surface-primary: #1a1a1e;--surface-secondary: #1f1f23;--surface-elevated: #252529;--surface-hover: #2a2a2f;--text-primary: #ffffff;--text-secondary: #b3b3b3;--text-muted: #808080;--text-disabled: #4d4d4d;--accent-primary: #0ea5e9;--accent-secondary: #0284c7;--accent-hover: #0369a1;--accent-light: rgba(14, 165, 233, .1);--success: #10b981;--success-light: rgba(16, 185, 129, .1);--error: #ef4444;--error-light: rgba(239, 68, 68, .1);--warning: #f59e0b;--warning-light: rgba(245, 158, 11, .1);--border-primary: #2a2a2f;--border-secondary: #333338;--border-accent: var(--accent-primary);--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-12: 3rem;--space-16: 4rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--radius-full: 9999px;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .35s ease}*,*:before,*:after{box-sizing:border-box}html{height:100%;scroll-behavior:smooth}body{margin:0;padding:0;height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:linear-gradient(135deg,var(--bg-primary) 0%,var(--bg-secondary) 100%);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{height:100%}.app{display:flex;flex-direction:column;height:100vh;background:var(--bg-primary)}.topbar{display:flex;align-items:center;padding:var(--space-4) var(--space-6);background:#1a1a1ecc;border-bottom:1px solid var(--border-primary);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);position:sticky;top:0;z-index:50}.brand{font-size:1.25rem;font-weight:700;letter-spacing:-.025em;background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.spacer{flex:1}.controls{display:flex;align-items:center;gap:var(--space-4)}.divider{width:1px;height:1.5rem;background:var(--border-primary)}.slider{display:flex;align-items:center;gap:var(--space-3);color:var(--text-secondary);font-size:.875rem}.slider input[type=range]{width:120px;height:6px;background:var(--surface-secondary);border-radius:var(--radius-full);outline:none;-webkit-appearance:none;-moz-appearance:none;appearance:none}.slider input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:18px;height:18px;background:var(--accent-primary);border-radius:50%;cursor:pointer;box-shadow:0 2px 8px #0ea5e94d;transition:all var(--transition-fast)}.slider input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.1);box-shadow:0 4px 12px #0ea5e966}.slider-value{color:var(--text-primary);font-variant-numeric:tabular-nums;font-weight:600;min-width:3rem;text-align:right}.layout{display:grid;grid-template-columns:800px 1fr;flex:1;min-height:0}.sidebar{background:var(--surface-primary);border-right:1px solid var(--border-primary);padding:var(--space-6);display:flex;flex-direction:column;gap:var(--space-6);overflow-y:auto;position:relative;min-width:300px;max-width:600px}.sidebar-resize-handle{position:absolute;top:0;right:0;width:4px;height:100%;background:transparent;cursor:col-resize;z-index:10}.sidebar-resize-handle:hover{background:var(--accent-primary);opacity:.3}.sidebar-resize-handle:active{background:var(--accent-primary);opacity:.6}.input{background:var(--surface-secondary);border:1px solid var(--border-primary);color:var(--text-primary);padding:var(--space-3) var(--space-4);border-radius:var(--radius-lg);font-size:.875rem;transition:all var(--transition-fast);width:100%}.input:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px var(--accent-light)}.input::placeholder{color:var(--text-muted)}.btn{background:var(--surface-secondary);border:1px solid var(--border-primary);color:var(--text-primary);padding:var(--space-3) var(--space-4);border-radius:var(--radius-lg);cursor:pointer;font-size:.875rem;font-weight:500;transition:all var(--transition-fast);display:inline-flex;align-items:center;gap:var(--space-2);text-decoration:none}.btn:hover{background:var(--surface-hover);border-color:var(--border-secondary);transform:translateY(-1px)}.btn.primary{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));border-color:var(--accent-primary);color:#fff;font-weight:600}.btn.primary:hover{background:linear-gradient(135deg,var(--accent-secondary),var(--accent-hover));transform:translateY(-1px);box-shadow:var(--shadow-lg)}.btn.danger{background:linear-gradient(135deg,var(--error),#dc2626);border-color:var(--error);color:#fff;font-weight:600}.btn.danger:hover{background:linear-gradient(135deg,#dc2626,#b91c1c);transform:translateY(-1px);box-shadow:var(--shadow-lg)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn:disabled:hover{transform:none}.folder-create{display:flex;gap:var(--space-3)}.folder-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:var(--space-2)}.folder-children{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:var(--space-1)}.folder-row{display:grid;grid-template-columns:1fr auto;align-items:center;gap:var(--space-3);padding:var(--space-1);border-radius:var(--radius-lg);transition:all var(--transition-fast)}.folder-row:hover{background:var(--surface-hover)}.folder-row.current{background:var(--accent-light);border:1px solid var(--accent-primary)}.folder-content{display:flex;align-items:center;gap:var(--space-2);min-width:0;flex:1}.expand-btn{background:transparent;border:none;color:var(--text-muted);cursor:pointer;padding:var(--space-1);border-radius:var(--radius-sm);transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center}.expand-placeholder{width:22px;height:22px}.move-modal{max-width:500px;width:90vw}.move-modal-body{padding:var(--space-4);max-height:400px;overflow-y:auto}.move-instructions{color:var(--text-secondary);font-size:.875rem;margin-bottom:var(--space-4)}.move-paths{display:flex;gap:var(--space-2);padding:var(--space-3) var(--space-4);margin-top:var(--space-2);border-top:1px solid var(--border-primary)}.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--radius-full);background:var(--surface-secondary);border:1px solid var(--border-primary);color:var(--text-secondary);font-size:.8rem}.chip.accent{background:var(--accent-light);border-color:var(--accent-primary);color:var(--text-primary)}.move-search{margin-bottom:var(--space-3)}.folder-option{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);transition:all var(--transition-fast);margin:var(--space-1) 0}.folder-option.root-option{background:var(--surface-secondary);border:1px solid var(--border-primary);cursor:pointer;width:100%;text-align:left;margin-bottom:var(--space-4)}.folder-option.root-option:hover{background:var(--surface-hover)}.folder-option.selected{background:var(--accent-light);border:1px solid var(--accent-primary)}.folder-option.disabled{opacity:.4;pointer-events:none}.folder-select-btn{display:flex;align-items:center;gap:var(--space-2);background:transparent;border:none;color:var(--text-primary);cursor:pointer;padding:var(--space-2);border-radius:var(--radius-md);transition:all var(--transition-fast);flex:1}.folder-select-btn:hover:not(:disabled){background:var(--surface-hover)}.folder-select-btn:disabled{cursor:not-allowed}.folder{width:100%;text-align:left;display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);background:transparent;border:none;border-radius:var(--radius-lg);color:var(--text-primary);cursor:pointer;transition:all var(--transition-fast);min-width:0}.folder-icon{font-size:1.25rem;opacity:.8;flex-shrink:0;display:flex;align-items:center}.folder-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500;flex:1;min-width:0}.folder-inline-actions{margin-left:auto;display:inline-flex;gap:6px;flex-shrink:0}.icon-btn{background:transparent;border:none;color:var(--text-muted);padding:4px;border-radius:var(--radius-sm);cursor:pointer}.icon-btn:hover{background:var(--surface-2);color:var(--text-primary)}.actions{display:flex;gap:var(--space-2);opacity:1}.contextmenu{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);padding:4px;min-width:180px}.contextmenu-item{width:100%;background:transparent;border:none;color:var(--text-primary);padding:8px 10px;display:flex;align-items:center;gap:8px;border-radius:var(--radius-sm);cursor:pointer}.contextmenu-item:hover{background:var(--accent-light)}.contextmenu-item.danger{color:var(--error)}.muted{color:var(--text-muted);padding:var(--space-4);text-align:center;font-style:italic}.uploader{display:flex;flex-direction:column;gap:var(--space-4)}.hidden-file-input{display:none}.dropzone{border:2px dashed var(--border-secondary);border-radius:var(--radius-xl);min-height:120px;display:grid;place-items:center;background:var(--surface-secondary);cursor:pointer;transition:all var(--transition-normal);position:relative;overflow:hidden}.dropzone:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,var(--accent-light),transparent);opacity:0;transition:opacity var(--transition-normal)}.dropzone:hover:before,.dropzone.drag:before{opacity:1}.dropzone.drag{border-color:var(--accent-primary);background:var(--accent-light);transform:scale(1.02)}.dropzone-content{text-align:center;z-index:1;position:relative}.dz-title{font-weight:600;color:var(--text-primary);margin-bottom:var(--space-1)}.dz-sub{color:var(--text-muted);font-size:.875rem}.dz-uploading{color:var(--accent-primary);font-size:.875rem;margin-top:var(--space-2);font-weight:500}.spin{animation:spinIcon 1s linear infinite}@keyframes spinIcon{to{transform:rotate(360deg)}}.content{padding:var(--space-6);min-width:0;background:var(--bg-secondary);overflow-y:auto}.toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-6)}.breadcrumb{display:flex;align-items:center;gap:var(--space-2);flex:1;min-width:0}.breadcrumb-separator{color:var(--text-muted);font-size:.875rem;margin:0 var(--space-1)}.toolbar-actions{display:flex;align-items:center;gap:var(--space-4)}.badge{display:inline-flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-4);background:var(--surface-primary);border:1px solid var(--border-primary);border-radius:var(--radius-full);color:var(--text-secondary);font-size:.875rem;font-weight:500}.selection-info{display:flex;align-items:center;gap:var(--space-4)}.selection-hint{color:var(--text-muted);font-size:.875rem;display:flex;align-items:center;gap:var(--space-2)}.selection-hint kbd{background:var(--surface-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-sm);padding:var(--space-1) var(--space-2);font-size:.75rem;font-family:monospace;color:var(--text-primary)}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:var(--space-6)}.card{position:relative;margin:0;background:var(--surface-primary);border:1px solid var(--border-primary);border-radius:var(--radius-xl);overflow:hidden;display:flex;flex-direction:column;transition:all var(--transition-normal);cursor:pointer}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl);border-color:var(--border-secondary)}.card.selected{border-color:var(--accent-primary);box-shadow:0 0 0 2px var(--accent-light)}.thumb{width:100%;height:180px;object-fit:cover;display:block;background:var(--bg-primary);transition:transform var(--transition-normal)}.card:hover .thumb{transform:scale(1.05)}.caption{display:flex;flex-direction:column;gap:var(--space-2);padding:var(--space-4);font-size:.875rem}.name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500;color:var(--text-primary)}.actions{display:flex;gap:var(--space-2);align-items:center;opacity:0;transition:opacity var(--transition-fast)}.card:hover .actions{opacity:1}.icon-btn{background:var(--surface-secondary);border:1px solid var(--border-primary);color:var(--text-muted);padding:var(--space-2);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center}.icon-btn:hover{color:var(--text-primary);background:var(--surface-hover);transform:scale(1.1)}.select-toggle{position:absolute;top:var(--space-3);left:var(--space-3);padding:var(--space-2);border-radius:var(--radius-md);border:1px solid var(--border-primary);background:#0009;color:var(--text-primary);cursor:pointer;opacity:0;transition:all var(--transition-fast);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.card:hover .select-toggle{opacity:1}.meta-overlay{position:absolute;bottom:var(--space-16);right:var(--space-3);display:flex;gap:var(--space-2);padding:var(--space-2) var(--space-3);border-radius:var(--radius-full);background:#0009;color:var(--text-primary);font-size:.75rem;font-weight:500;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);opacity:0;transition:opacity var(--transition-fast)}.card:hover .meta-overlay{opacity:1}.empty{color:var(--text-muted);text-align:center;padding:var(--space-16) var(--space-8);font-size:1.125rem}.drop-overlay{position:fixed;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;background:#0ea5e91a;color:var(--accent-primary);pointer-events:none;font-weight:700;font-size:1.5rem;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#000c;display:grid;place-items:center;z-index:100;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.modal-content{background:var(--surface-primary);border:1px solid var(--border-primary);border-radius:var(--radius-2xl);max-width:90vw;max-height:90vh;display:flex;flex-direction:column;overflow:hidden;box-shadow:var(--shadow-xl)}.preview{max-width:90vw;max-height:70vh;object-fit:contain;background:var(--bg-primary)}.modal-actions{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-4);border-top:1px solid var(--border-primary);background:var(--surface-secondary)}.meta{color:var(--text-secondary);font-weight:500}.toast-container{position:fixed;right:var(--space-6);bottom:var(--space-6);display:flex;flex-direction:column;gap:var(--space-3);z-index:110}.toast{padding:var(--space-4) var(--space-5);border-radius:var(--radius-xl);background:var(--surface-primary);border:1px solid var(--border-primary);color:var(--text-primary);font-weight:500;box-shadow:var(--shadow-xl);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);animation:slideInRight .3s ease}.toast.success{border-color:var(--success);background:var(--success-light)}.toast.error{border-color:var(--error);background:var(--error-light)}.toast.info{border-color:var(--accent-primary);background:var(--accent-light)}@keyframes slideInRight{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}.bulkbar{position:fixed;left:50%;transform:translate(-50%);bottom:var(--space-6);background:var(--surface-primary);border:1px solid var(--border-primary);border-radius:var(--radius-full);padding:var(--space-3) var(--space-5);display:flex;align-items:center;gap:var(--space-4);box-shadow:var(--shadow-xl);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);z-index:90;font-weight:500}@media (max-width: 1024px){.layout{grid-template-columns:350px 1fr!important}.sidebar{padding:var(--space-4);min-width:300px;max-width:800px}.content{padding:var(--space-4)}.grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:var(--space-4)}}@media (max-width: 768px){.layout{grid-template-columns:1fr!important}.sidebar{border-right:none;border-bottom:1px solid var(--border-primary);padding:var(--space-4);width:100%!important;min-width:unset;max-width:unset}.sidebar-resize-handle{display:none}.topbar{padding:var(--space-3) var(--space-4)}.controls{gap:var(--space-2)}.grid{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:var(--space-3)}.bulkbar{bottom:var(--space-4);left:var(--space-4);right:var(--space-4);transform:none}}button:focus-visible,.btn:focus-visible,.link:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}.btn.loading{position:relative;color:transparent}.btn.loading:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;background:inherit;border-radius:inherit}.btn.loading:before{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:16px;height:16px;border:2px solid transparent;border-top:2px solid currentColor;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg)}}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--surface-primary)}::-webkit-scrollbar-thumb{background:var(--border-secondary);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}