@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap";:root{--bg-body: #090e17;--bg-sidebar: #090e17;--bg-card: #151d2a;--bg-card-hover:#242f3d;--bg-card-inner:#1f2937;--bg-input: #1A1A1A;--bg-badge: #1A1A1A;--border: #242f3d;--border-hover: #3b4252;--accent: #ffffff;--accent-fg: #000000;--text-primary: #ffffff;--text-secondary:#a1a1aa;--text-muted: #666666;--text-bright: #ffffff;--radius-sm: 8px;--radius-md: 16px;--sidebar-width: 280px;--topbar-height: 64px}.light-theme{--bg-body: #f4f6f8;--bg-sidebar: #ffffff;--bg-card: #ffffff;--bg-card-hover:#eef2f6;--bg-card-inner:#f1f5f9;--bg-input: #f3f4f6;--bg-badge: #f3f4f6;--border: #e2e8f0;--border-hover: #cbd5e1;--accent: #4f46e5;--accent-fg: #ffffff;--text-primary: #0f172a;--text-secondary:#334155;--text-muted: #64748b;--text-bright: #0f172a}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:Inter,sans-serif;background:var(--bg-body);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow:hidden}.app-layout{display:flex;height:100vh}.sidebar{width:var(--sidebar-width);background:var(--bg-sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0;transition:transform .3s cubic-bezier(.4,0,.2,1);z-index:40}.sidebar-logo{display:flex;align-items:center;gap:12px;padding:24px 20px}.sidebar-logo .logo-icon{width:32px;height:32px;background:var(--accent);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--accent-fg)}.sidebar-logo span{font-size:15px;font-weight:700;color:var(--text-bright);letter-spacing:-.01em}.sidebar-nav{padding:8px 12px}.sidebar-section-title{padding:16px 20px 8px;font-size:11px;text-transform:uppercase;letter-spacing:.05em;font-weight:600;color:var(--text-muted)}.sidebar-nav-item{display:flex;align-items:center;gap:12px;padding:10px 12px;margin-bottom:4px;border-radius:var(--radius-sm);cursor:pointer;font-size:13px;font-weight:500;color:var(--text-secondary);border:none;background:transparent;width:100%;transition:all .2s ease}.sidebar-nav-item:hover{background:var(--bg-card-hover);color:var(--text-primary)}.sidebar-nav-item.active{background:var(--bg-card-hover);color:var(--text-primary);font-weight:600}.sidebar-nav-item.active svg{color:var(--text-primary)}.sidebar-nav-count{margin-left:auto;font-size:11px;font-weight:600;opacity:.8;background:var(--bg-badge);padding:2px 8px;border-radius:12px}.folder-actions{display:flex;gap:4px;margin-left:auto;z-index:10}.sidebar-nav-item .folder-actions{opacity:0;transition:opacity .2s}.sidebar-nav-item:hover .folder-actions{opacity:1}.pinned-actions{display:none;margin-left:auto}.sidebar-nav-item:hover .pinned-actions{display:flex}.sidebar-nav-item:hover .pinned-actions+.sidebar-nav-count{display:none}.folder-menu-trigger{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:4px;border-radius:4px;display:flex;align-items:center;justify-content:center}.folder-menu-trigger:hover{color:var(--text-primary);background:var(--bg-card-hover)}.folder-menu-dropdown{position:absolute;right:0;top:100%;margin-top:4px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:0 4px 12px #0000004d;width:160px;display:flex;flex-direction:column;padding:4px;z-index:999;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.folder-menu-dropdown button{background:none;border:none;color:var(--text-secondary);padding:8px 12px;border-radius:var(--radius-sm);cursor:pointer;font-size:13px;display:flex;align-items:center;gap:8px;text-align:left}.folder-menu-dropdown button:hover{background:var(--bg-card-hover);color:var(--text-primary)}.topbar{height:var(--topbar-height);padding:0 32px;display:flex;align-items:center;background:var(--bg-sidebar);border-bottom:1px solid var(--border);z-index:30;position:sticky;top:0}.topbar-search{flex:1;max-width:480px;position:relative}.topbar-search input{width:100%;padding:10px 16px 10px 40px;background:var(--bg-input);border:1px solid transparent;border-radius:20px;color:var(--text-primary);font-size:14px;outline:none;transition:all .2s}.topbar-search input:focus{border-color:var(--border-hover);background:var(--bg-card)}.topbar-search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-muted);width:16px;height:16px}.topbar-right{margin-left:auto;display:flex;gap:16px;align-items:center}.sync-indicator{display:flex;align-items:center;gap:6px;padding:4px 10px;background:var(--bg-card);border:1px solid var(--border);border-radius:20px;margin-right:8px;color:var(--text-primary);font-size:11px;font-weight:500}.sync-indicator.syncing{border-color:var(--accent)}.sync-indicator.error{border-color:#ef4444}.topbar-btn{background:transparent;border:1px solid var(--border);color:var(--text-secondary);padding:8px 16px;border-radius:20px;cursor:pointer;font-size:13px;font-weight:500;display:flex;align-items:center;gap:8px;transition:all .2s}.topbar-btn:hover{background:var(--bg-card-hover);color:var(--text-primary);border-color:var(--border-hover)}.topbar-btn.accent{background:var(--accent);border-color:var(--accent);color:var(--accent-fg)}.topbar-btn.accent:hover{opacity:.9}.main-area{flex:1;display:flex;flex-direction:column;overflow:hidden;background:var(--bg-body)}.main-scroll{flex:1;overflow-y:auto;padding:32px}.section-heading{display:flex;align-items:center;margin-bottom:24px;gap:12px}.section-heading h2{font-size:20px;font-weight:600;letter-spacing:-.02em;color:var(--text-primary)}.section-dot{width:6px;height:6px;background:var(--accent);border-radius:50%;flex-shrink:0}.section-count{background:var(--bg-badge);padding:2px 10px;border-radius:12px;font-size:12px;font-weight:600;color:var(--text-secondary)}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:12px}.data-card{background:var(--bg-card-inner, var(--bg-card));border:1px solid var(--border);border-radius:var(--radius-md);padding:16px 16px 12px;display:flex;flex-direction:column;align-items:center;cursor:pointer;transition:all .2s;position:relative}.data-card:hover{background:var(--bg-card-hover);border-color:var(--border-hover)}.card-avatar{margin-bottom:16px}.card-title{color:var(--text-primary);font-weight:600;font-size:13px;margin-bottom:4px;text-align:center;width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.card-subtitle{color:var(--text-muted);font-size:12px;text-align:center;width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-bottom:16px}.card-actions{display:flex;justify-content:center;gap:16px;width:100%;padding-top:16px;border-top:1px solid transparent}.card-action-btn{background:transparent;border:none;color:var(--text-muted);cursor:pointer;display:flex;align-items:center;gap:6px;font-size:12px;font-weight:500;transition:color .2s}.card-action-btn:hover{color:var(--text-primary)}.card-action-btn svg{width:14px;height:14px}.downloads-list{display:flex;flex-direction:column;gap:8px}.download-row{display:flex;align-items:center;gap:16px;padding:12px 20px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);transition:all .2s}.download-row:hover{border-color:var(--border-hover)}.download-num{font-size:12px;font-weight:600;color:var(--text-muted);width:24px}.download-input{background:transparent;border:none;color:var(--text-primary);font-size:14px;outline:none;flex:1}.download-input.title-input{font-weight:500;flex:1}.download-input.url-input{color:var(--text-muted);flex:2;font-size:13px}.download-remove{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:4px;border-radius:4px}.download-remove:hover{color:#ef4444;background:#ef44441a}.download-actions{display:flex;padding:16px 0}.mobile-menu-btn,.mobile-close-btn{display:none}@media (max-width: 768px){.sidebar{position:fixed;z-index:100;left:0;top:0;bottom:0;transform:translate(-100%);box-shadow:0 0 40px #00000080}.sidebar.mobile-open{transform:translate(0)}.mobile-menu-btn{display:block;background:none;border:none;color:var(--text-primary);margin-right:16px;cursor:pointer}.topbar{padding:0 20px}.topbar-search{display:none}}.animate-spin{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:120px 0;color:var(--text-muted);gap:16px}.empty-state svg{color:var(--border-hover);width:48px;height:48px}.detail-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000c;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:99;opacity:0;pointer-events:none;transition:opacity .3s}.detail-overlay.open{opacity:1;pointer-events:auto}.bookmark-modal{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);width:90%;max-width:440px;z-index:100;box-shadow:0 20px 40px #0006;padding:32px}.bm-modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.bm-modal-header h2{font-size:20px;font-weight:700;color:var(--text-bright);letter-spacing:-.02em}.detail-close{background:transparent;border:none;color:var(--text-muted);cursor:pointer;padding:4px;border-radius:4px}.detail-close:hover{color:var(--text-primary);background:var(--bg-input)}.bm-import-section{background:var(--bg-input);padding:20px;border-radius:var(--radius-sm);margin-bottom:24px;border:1px solid var(--border)}.bm-import-section h3{font-size:14px;font-weight:600;margin-bottom:6px;color:var(--text-primary)}.bm-import-section p{font-size:12px;color:var(--text-muted);margin-bottom:16px;line-height:1.5}.bm-import-btn,.bm-add-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:12px;border-radius:var(--radius-sm);font-size:13px;font-weight:600;cursor:pointer;transition:all .2s}.bm-import-btn{background:transparent;border:1px solid var(--border);color:var(--text-primary)}.bm-import-btn:hover{background:var(--bg-card-hover);border-color:var(--border-hover)}.bm-add-btn{background:var(--accent);border:1px solid var(--accent);color:var(--accent-fg);margin-top:12px}.bm-add-btn:hover{opacity:.9}.bm-divider{display:flex;align-items:center;margin:24px 0;gap:12px}.bm-divider:before,.bm-divider:after{content:"";flex:1;height:1px;background:var(--border)}.bm-divider span{font-size:10px;text-transform:uppercase;letter-spacing:.05em;font-weight:700;color:var(--text-muted)}.bm-field{margin-bottom:16px}.bm-field label{display:block;font-size:12px;font-weight:600;color:var(--text-muted);margin-bottom:8px;text-transform:uppercase;letter-spacing:.03em}.bm-field input{width:100%;padding:12px 16px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:14px;outline:none;transition:all .2s}.bm-field input:focus{border-color:var(--border-hover);background:var(--bg-card)}.bulk-action-bar{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:var(--bg-card);border:1px solid var(--border);box-shadow:0 10px 30px #0006;padding:12px 24px;border-radius:30px;display:flex;align-items:center;justify-content:space-between;gap:20px;z-index:1000;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);animation:slideUp .3s cubic-bezier(.4,0,.2,1)}.bulk-info{font-size:13px;font-weight:600;color:var(--text-primary);white-space:nowrap}.bulk-actions{display:flex;gap:8px;align-items:center}.bulk-btn{background:transparent;border:1px solid var(--border);color:var(--text-secondary);padding:8px 16px;border-radius:20px;cursor:pointer;font-size:12px;font-weight:600;display:flex;align-items:center;gap:8px;transition:all .2s ease}.bulk-btn:hover{background:var(--bg-card-hover);color:var(--text-primary);border-color:var(--border-hover)}.bulk-btn.accent{background:var(--accent);border-color:var(--accent);color:var(--accent-fg)}.bulk-btn.accent:hover{opacity:.9}.bulk-btn.danger{background:#ef44441a;border-color:#ef444433;color:#ef4444}.bulk-btn.danger:hover{background:#ef444433;color:#ef4444}@keyframes slideUp{0%{opacity:0;transform:translate(-50%,20px)}to{opacity:1;transform:translate(-50%)}}