:root{--bg-primary:#f8fafc;--bg-secondary:#fff;--bg-card:#fff;--bg-hover:#f1f5f9;--bg-selected:#e0e7ff;--border:#e2e8f0;--border-light:#cbd5e1;--accent:#4f46e5;--accent-hover:#4338ca;--accent-light:#4f46e51a;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#64748b;--danger:#dc2626;--danger-hover:#b91c1c;--success:#16a34a;--warning:#ea580c;--radius:8px;--radius-lg:12px;--shadow:0 10px 15px -3px #0000000d, 0 4px 6px -4px #0000000d;--shadow-sm:0 1px 3px 0 #0000000d, 0 1px 2px -1px #0000000d;--font:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--accent)}button{cursor:pointer;font-family:var(--font);border:none;transition:all .15s}input,textarea{font-family:var(--font);outline:none}a{color:inherit;text-decoration:none}.app-layout{flex-direction:column;height:100vh;display:flex;overflow:hidden}.app-header{background:var(--bg-secondary);border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;gap:16px;height:56px;padding:0 20px;display:flex}.app-header .logo{color:var(--text-primary);align-items:center;gap:10px;font-size:16px;font-weight:700;display:flex}.app-header .logo svg{color:var(--accent)}.app-body{flex:1;display:flex;overflow:hidden}.sidebar{background:var(--bg-secondary);border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;width:240px;display:flex;overflow:hidden}.sidebar-section{padding:12px 8px 8px}.sidebar-section-title{text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);padding:0 8px 6px;font-size:11px;font-weight:600}.resource-type-btn{border-radius:var(--radius);width:100%;color:var(--text-secondary);background:0 0;align-items:center;gap:10px;padding:8px 10px;font-size:13px;font-weight:500;display:flex}.resource-type-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.resource-type-btn.active{background:var(--accent-light);color:var(--accent-hover)}.resource-type-btn svg{opacity:.7;flex-shrink:0}.resource-type-btn.active svg{opacity:1}.sidebar-divider{background:var(--border);height:1px;margin:4px 12px}.folder-tree{flex:1;padding:4px 8px 16px;overflow-y:auto}.folder-tree-item{border-radius:var(--radius);cursor:pointer;color:var(--text-secondary);-webkit-user-select:none;user-select:none;align-items:center;gap:6px;padding:5px 8px;font-size:13px;transition:all .1s;display:flex}.folder-tree-item:hover{background:var(--bg-hover);color:var(--text-primary)}.folder-tree-item.active{background:var(--accent-light);color:var(--accent-hover)}.folder-tree-item .toggle-icon{width:16px;color:var(--text-muted);flex-shrink:0}.folder-tree-item .folder-icon{color:var(--warning);flex-shrink:0}.folder-tree-item .folder-name{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.folder-delete-btn{width:22px;height:22px;color:var(--text-muted);opacity:0;background:0 0;border:0;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;padding:0;display:inline-flex}.folder-tree-item:hover .folder-delete-btn,.folder-tree-item.active .folder-delete-btn{opacity:1}.folder-delete-btn:hover{color:var(--danger);background:#ef44441a}.folder-children{padding-left:16px}.main-panel{background:var(--bg-primary);flex-direction:column;flex:1;display:flex;overflow:hidden}.toolbar{border-bottom:1px solid var(--border);background:var(--bg-secondary);flex-wrap:wrap;align-items:center;gap:8px;padding:10px 16px;display:flex}.toolbar-btn{border-radius:var(--radius);background:var(--bg-hover);color:var(--text-secondary);border:1px solid var(--border);align-items:center;gap:6px;padding:7px 14px;font-size:13px;font-weight:500;display:inline-flex}.toolbar-btn:hover{background:var(--border-light);color:var(--text-primary)}.toolbar-btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.toolbar-btn.primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}.toolbar-btn.danger{color:var(--danger)}.toolbar-btn.danger:hover{border-color:var(--danger);background:#ef44441a}.toolbar-btn:disabled{opacity:.4;cursor:not-allowed}.toolbar-sep{background:var(--border);width:1px;height:24px;margin:0 4px}.toolbar-spacer{flex:1}.view-toggle{border:1px solid var(--border);border-radius:var(--radius);display:flex;overflow:hidden}.view-toggle-btn{color:var(--text-muted);background:0 0;padding:6px 10px}.view-toggle-btn:hover{background:var(--bg-hover);color:var(--text-secondary)}.view-toggle-btn.active{background:var(--accent-light);color:var(--accent)}.breadcrumb{color:var(--text-muted);border-bottom:1px solid var(--border);white-space:nowrap;align-items:center;gap:4px;min-height:35px;padding:8px 16px;font-size:13px;transition:background .15s,border-color .15s;display:flex;overflow-x:auto}.breadcrumb:hover{background:var(--bg-hover)}.breadcrumb.editing{background:var(--bg-primary);border-color:var(--accent)}.breadcrumb-input{width:100%;color:var(--text-primary);font-family:var(--font);background:0 0;border:none;outline:none;padding:0;font-size:13px}.breadcrumb-item{cursor:pointer;border-radius:4px;padding:2px 6px}.breadcrumb-item:hover{background:var(--bg-hover);color:var(--text-primary)}.breadcrumb-item.active{color:var(--text-primary);cursor:default}.breadcrumb-item.active:hover{background:0 0}.breadcrumb-sep{color:var(--border-light)}.file-area{flex:1;padding:16px;overflow-y:auto}.empty-state{height:100%;color:var(--text-muted);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:12px;display:flex}.empty-state svg{opacity:.3}.empty-state p{font-size:14px}.file-grid{grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:12px;display:grid}.file-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);cursor:pointer;-webkit-user-select:none;user-select:none;transition:all .15s;position:relative;overflow:hidden}.file-card:hover{border-color:var(--border-light);box-shadow:var(--shadow-sm);transform:translateY(-1px)}.file-card.selected{border-color:var(--accent);background:var(--bg-selected)}.file-card-thumb{aspect-ratio:1;background:var(--bg-secondary);justify-content:center;align-items:center;width:100%;display:flex;overflow:hidden}.file-card-thumb img{object-fit:contain;width:auto;max-width:100%;height:auto;max-height:100%}.file-card-thumb .file-icon{color:var(--text-muted)}.file-card-info{border-top:1px solid var(--border);padding:8px}.file-card-name{color:var(--text-primary);text-overflow:ellipsis;white-space:nowrap;font-size:11px;font-weight:500;overflow:hidden}.file-card-size{color:var(--text-muted);margin-top:2px;font-size:10px}.file-card-checkbox{width:18px;height:18px;accent-color:var(--accent);opacity:0;transition:opacity .15s;position:absolute;top:6px;left:6px}.file-card:hover .file-card-checkbox,.file-card.selected .file-card-checkbox{opacity:1}.file-list{border-collapse:collapse;width:100%}.file-list thead th{text-align:left;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;border-bottom:1px solid var(--border);padding:8px 12px;font-size:11px;font-weight:600}.file-list tbody tr{cursor:pointer;transition:background .1s}.file-list tbody tr:hover{background:var(--bg-hover)}.file-list tbody tr.selected{background:var(--bg-selected)}.file-list td{border-bottom:1px solid var(--border);color:var(--text-secondary);padding:10px 12px;font-size:13px}.file-list td:first-child{color:var(--text-primary)}.file-list .file-row-icon{align-items:center;gap:8px;display:flex}.file-list .file-thumb-sm{object-fit:cover;border-radius:4px;width:28px;height:28px}.context-menu{z-index:1000;background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow);min-width:180px;padding:4px;animation:.1s fadeIn;position:fixed}.context-menu-item{border-radius:var(--radius);color:var(--text-secondary);cursor:pointer;text-align:left;background:0 0;align-items:center;gap:10px;width:100%;padding:8px 12px;font-size:13px;transition:all .1s;display:flex}.context-menu-item:hover{background:var(--bg-hover);color:var(--text-primary)}.context-menu-item.danger{color:var(--danger)}.context-menu-item.danger:hover{background:#ef44441a}.context-menu-sep{background:var(--border);height:1px;margin:4px 0}.modal-overlay{z-index:2000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0f172a59;justify-content:center;align-items:center;animation:.15s fadeIn;display:flex;position:fixed;inset:0}.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow);width:100%;max-width:480px;animation:.15s slideUp;overflow:hidden}.modal-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.modal-title{font-size:15px;font-weight:600}.modal-close{color:var(--text-muted);background:0 0;border-radius:4px;padding:4px;display:flex}.modal-close:hover{background:var(--bg-hover);color:var(--text-primary)}.modal-body{padding:20px}.modal-footer{border-top:1px solid var(--border);justify-content:flex-end;gap:8px;padding:12px 20px;display:flex}.form-input{background:var(--bg-primary);border:1px solid var(--border-light);border-radius:var(--radius);width:100%;color:var(--text-primary);padding:8px 12px;font-size:14px;transition:border-color .15s}.form-input:focus{border-color:var(--accent)}.form-label{color:var(--text-secondary);margin-bottom:6px;font-size:13px;font-weight:500;display:block}.dropzone{border:2px dashed var(--border-light);border-radius:var(--radius-lg);text-align:center;cursor:pointer;color:var(--text-muted);padding:40px 20px;transition:all .2s}.dropzone:hover,.dropzone.active{border-color:var(--accent);background:var(--accent-light);color:var(--accent)}.dropzone-icon{margin-bottom:12px}.dropzone-text{font-size:14px;font-weight:500}.dropzone-hint{opacity:.7;margin-top:4px;font-size:12px}.upload-list{flex-direction:column;gap:8px;margin-top:16px;display:flex}.upload-item{align-items:center;gap:10px;font-size:13px;display:flex}.upload-item-name{text-overflow:ellipsis;white-space:nowrap;color:var(--text-primary);flex:1;overflow:hidden}.upload-item-size{color:var(--text-muted);white-space:nowrap}.progress-bar{background:var(--border);border-radius:2px;flex:1;height:4px;overflow:hidden}.progress-fill{background:var(--accent);border-radius:2px;height:100%;transition:width .3s}.preview-modal .modal{max-width:90vw;max-height:90vh}.preview-content{justify-content:center;align-items:center;min-height:300px;display:flex}.preview-content img{object-fit:contain;border-radius:var(--radius);max-width:100%;max-height:70vh}.login-page{background:radial-gradient(ellipse at top, #e0e7ff 0%, var(--bg-primary) 60%);justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-lg);width:100%;max-width:380px;box-shadow:var(--shadow);padding:40px}.login-logo{color:var(--text-primary);justify-content:center;align-items:center;gap:10px;margin-bottom:32px;font-size:20px;font-weight:700;display:flex}.login-logo svg{color:var(--accent)}.login-form{flex-direction:column;gap:16px;display:flex}.login-btn{background:var(--accent);color:#fff;border-radius:var(--radius);margin-top:4px;padding:10px;font-size:14px;font-weight:600}.login-btn:hover{background:var(--accent-hover)}.login-error{color:var(--danger);text-align:center;font-size:13px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(360deg)}}.spinner{animation:.8s linear infinite spin}.status-bar{color:var(--text-muted);border-top:1px solid var(--border);background:var(--bg-secondary);flex-shrink:0;justify-content:space-between;align-items:center;padding:4px 16px;font-size:12px;display:flex}.tree-action-btn{cursor:pointer;font-size:11px;font-weight:500;transition:color .15s}.tree-action-btn:hover:not(:disabled){color:var(--accent)}.tree-action-btn:disabled{opacity:.5;cursor:not-allowed}.folder-tree-item.drag-over,.breadcrumb-item.drag-over{outline-offset:-2px;background:var(--accent-light)!important;color:var(--accent-hover)!important;outline:2px dashed var(--accent)!important}.stats-widget{border-radius:var(--radius-lg);border:1px solid var(--border);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:var(--shadow-sm);background:#fff9;flex-direction:column;gap:8px;margin:12px 8px;padding:12px;transition:all .2s;display:flex}.stats-widget:hover{box-shadow:var(--shadow);background:#ffffffd9}.stats-widget-header{color:var(--text-primary);justify-content:space-between;align-items:center;display:flex}.stats-refresh-btn{color:var(--text-muted);background:0 0;border-radius:4px;align-items:center;padding:2px;display:flex}.stats-refresh-btn:hover:not(:disabled){background:var(--bg-hover);color:var(--text-primary)}.stats-refresh-btn:disabled{opacity:.5}.stats-total{margin-bottom:6px;font-size:11px}.stats-total-used{color:var(--text-primary);font-size:15px;font-weight:700}.stats-total-limit{color:var(--text-muted)}.stats-progress-container{background:var(--bg-hover);border-radius:3px;height:6px;margin-bottom:10px;overflow:hidden}.stats-progress-bar{width:100%;height:100%;display:flex}.progress-segment{height:100%;transition:width .3s}.progress-segment.images{background:var(--accent)}.progress-segment.videos{background:#a78bfa}.progress-segment.files{background:#34d399}.stats-breakdown{flex-direction:column;gap:4px;display:flex}.stats-breakdown-item{color:var(--text-secondary);align-items:center;font-size:11px;display:flex}.stats-breakdown-item .bullet{border-radius:50%;flex-shrink:0;width:6px;height:6px;margin-right:6px}.stats-breakdown-item .bullet.images{background:var(--accent)}.stats-breakdown-item .bullet.videos{background:#a78bfa}.stats-breakdown-item .bullet.files{background:#34d399}.stats-breakdown-item .label{flex:1}.stats-breakdown-item .val{color:var(--text-primary);font-weight:500}.app-loading-screen{background:radial-gradient(circle at center, var(--bg-secondary) 0%, var(--bg-primary) 100%);width:100vw;height:100vh;font-family:var(--font);flex-direction:column;justify-content:center;align-items:center;display:flex}.app-loading-spinner{border:3px solid var(--border);border-top:3px solid var(--accent);border-radius:50%;width:48px;height:48px;margin-bottom:16px;animation:1s linear infinite app-spin}.app-loading-text{color:var(--text-secondary);letter-spacing:.025em;font-size:14px;font-weight:500;animation:1.5s ease-in-out infinite app-pulse}@keyframes app-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes app-pulse{0%,to{opacity:.6}50%{opacity:1}}