*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:Noto Sans SC,Outfit,system-ui,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;transition:background .4s ease,color .3s ease;overflow-x:hidden}body:before{content:"";position:fixed;top:0;left:0;right:0;bottom:0;background:radial-gradient(ellipse 80% 60% at 10% 0%,var(--glow-1) 0%,transparent 50%),radial-gradient(ellipse 60% 50% at 90% 10%,var(--glow-2) 0%,transparent 50%),radial-gradient(ellipse 50% 40% at 50% 100%,var(--glow-3) 0%,transparent 50%);pointer-events:none;z-index:0}#app{position:relative;z-index:1;min-height:100vh}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;background:none;font-family:inherit;color:inherit}input,select,textarea{font-family:inherit}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}h1{font-family:Outfit,sans-serif;font-weight:700}h2{font-family:Outfit,sans-serif;font-weight:600}h3{font-family:Outfit,sans-serif;font-weight:500}.hidden{display:none!important}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.app-header{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 24px;background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border-bottom:1px solid var(--border-color)}.header-left{flex:0 0 auto}.header-center{flex:1 1 auto;max-width:560px;margin:0 auto}.header-right{flex:0 0 auto;display:flex;align-items:center;gap:4px}.logo{display:flex;align-items:center;gap:8px}.logo-icon{font-size:1.5rem;filter:drop-shadow(0 0 8px var(--accent-glow))}.logo-text{font-size:1.25rem;font-weight:700;background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:-.02em}.search-container{position:relative;width:100%}.search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--text-muted);pointer-events:none}.search-input{width:100%;padding:10px 44px 10px 42px;background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-full);color:var(--text-primary);font-size:.9rem;transition:all var(--transition-normal)}.search-input::placeholder{color:var(--text-muted)}.search-input:focus{border-color:var(--accent);box-shadow:var(--shadow-glow);outline:none}.search-kbd{position:absolute;right:14px;top:50%;transform:translateY(-50%);padding:2px 8px;font-size:.7rem;font-family:Outfit,monospace;color:var(--text-muted);background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-xs);pointer-events:none;opacity:.7}.search-input:focus~.search-kbd{opacity:0}.icon-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-sm);transition:all var(--transition-fast);color:var(--text-secondary)}.icon-btn:hover{background:var(--primary-soft);color:var(--text-primary)}.icon-btn svg{width:18px;height:18px}.category-bar{display:flex;gap:8px;padding:12px 24px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}.category-bar::-webkit-scrollbar{display:none}.cat-chip{flex:0 0 auto;padding:6px 16px;font-size:.82rem;font-weight:500;border-radius:var(--radius-full);background:var(--bg-surface);border:1px solid var(--border-color);color:var(--text-secondary);transition:all var(--transition-normal);white-space:nowrap}.cat-chip:hover{background:var(--bg-card-hover);color:var(--text-primary);border-color:var(--border-hover)}.cat-chip.active{background:var(--primary-soft);border-color:var(--primary);color:var(--primary)}.sort-dropdown{position:absolute;top:56px;right:160px;z-index:200;display:flex;flex-direction:column;min-width:180px;padding:6px;background:var(--bg-modal);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);-webkit-backdrop-filter:blur(var(--glass-blur));backdrop-filter:blur(var(--glass-blur))}.sort-option{padding:10px 14px;font-size:.85rem;text-align:left;border-radius:var(--radius-sm);transition:background var(--transition-fast)}.sort-option:hover{background:var(--primary-soft)}.sort-option.active{color:var(--accent);font-weight:600}.main-content{padding:16px 24px 40px;max-width:1440px;margin:0 auto}.bookmarks-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;animation:fadeUp .4s ease}.bookmarks-grid.list-view{grid-template-columns:1fr;gap:8px}@keyframes fadeUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.nav-card{position:relative;display:flex;flex-direction:column;padding:18px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:all var(--transition-normal);cursor:pointer;overflow:hidden}.nav-card:before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--primary),var(--accent));opacity:0;transition:opacity var(--transition-normal)}.nav-card:hover{background:var(--bg-card-hover);border-color:var(--border-hover);box-shadow:var(--shadow-md);transform:translateY(-2px)}.nav-card:hover:before{opacity:1}.nav-card.pinned{border-color:var(--warning)}.nav-card.pinned:after{content:"📌";position:absolute;top:10px;right:10px;font-size:.8rem}.card-header{display:flex;align-items:center;gap:12px;margin-bottom:10px}.card-favicon{width:32px;height:32px;border-radius:var(--radius-sm);object-fit:contain;background:var(--bg-surface);flex-shrink:0}.card-title{font-size:.95rem;font-weight:600;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.card-desc{font-size:.8rem;color:var(--text-secondary);line-height:1.5;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.card-url{font-size:.72rem;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-bottom:10px}.card-footer{display:flex;align-items:center;justify-content:space-between;margin-top:auto}.card-tags{display:flex;gap:4px;flex-wrap:wrap;flex:1}.tag{padding:2px 8px;font-size:.68rem;font-weight:500;border-radius:var(--radius-full);white-space:nowrap}.tag-1{color:var(--tag-1);background:var(--tag-1-bg)}.tag-2{color:var(--tag-2);background:var(--tag-2-bg)}.tag-3{color:var(--tag-3);background:var(--tag-3-bg)}.tag-4{color:var(--tag-4);background:var(--tag-4-bg)}.tag-5{color:var(--tag-5);background:var(--tag-5-bg)}.tag-6{color:var(--tag-6);background:var(--tag-6-bg)}.tag-7{color:var(--tag-7);background:var(--tag-7-bg)}.tag-8{color:var(--tag-8);background:var(--tag-8-bg)}.card-freq{display:flex;align-items:center;gap:4px;font-size:.72rem;color:var(--text-muted);flex-shrink:0}.freq-bar{width:40px;height:4px;background:var(--bg-surface);border-radius:2px;overflow:hidden}.freq-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:2px;transition:width var(--transition-normal)}.card-actions{position:absolute;top:8px;right:8px;display:flex;gap:2px;opacity:0;transition:opacity var(--transition-fast)}.nav-card:hover .card-actions{opacity:1}.card-action-btn{width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-xs);background:var(--bg-surface);color:var(--text-muted);transition:all var(--transition-fast)}.card-action-btn:hover{background:var(--primary-soft);color:var(--text-primary)}.card-action-btn.delete:hover{background:#f8717126;color:var(--danger)}.card-action-btn svg{width:14px;height:14px}.list-view .nav-card{flex-direction:row;align-items:center;padding:12px 18px;gap:16px}.list-view .card-header{margin-bottom:0;flex:0 0 auto}.list-view .card-desc{display:none}.list-view .card-url{margin-bottom:0;flex:1}.list-view .card-footer{flex:0 0 auto}.list-view .card-tags{display:none}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:50vh;text-align:center;animation:fadeUp .5s ease}.empty-icon{font-size:4rem;margin-bottom:16px;filter:drop-shadow(0 0 20px var(--accent-glow))}.empty-state h2{font-size:1.4rem;margin-bottom:8px;background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.empty-state p{color:var(--text-secondary);margin-bottom:24px;font-size:.9rem}.empty-actions{display:flex;gap:12px}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;font-size:.85rem;font-weight:500;border-radius:var(--radius-sm);transition:all var(--transition-normal);border:1px solid transparent}.btn-primary{background:linear-gradient(135deg,var(--primary),color-mix(in srgb,var(--primary),var(--accent) 40%));color:#fff;border-color:transparent}.btn-primary:hover{box-shadow:0 4px 16px #818cf84d;transform:translateY(-1px)}.btn-secondary{background:var(--bg-surface);border-color:var(--border-color);color:var(--text-primary)}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--border-hover)}.btn-ghost{color:var(--text-secondary)}.btn-ghost:hover{color:var(--text-primary);background:var(--bg-surface)}.btn-danger{background:#f871711a;color:var(--danger);border-color:#f8717133}.btn-danger:hover{background:#f8717133}.modal{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;display:flex;align-items:center;justify-content:center;animation:modalIn .2s ease}@keyframes modalIn{0%{opacity:0}to{opacity:1}}.modal-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.modal-content{position:relative;width:90%;max-width:480px;max-height:85vh;overflow-y:auto;background:var(--bg-modal);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:24px;animation:modalContentIn .25s ease}.modal-wide{max-width:560px}@keyframes modalContentIn{0%{opacity:0;transform:scale(.96) translateY(8px)}to{opacity:1;transform:scale(1) translateY(0)}}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.modal-header h2{font-size:1.15rem}.modal-close{color:var(--text-muted)}.modal-close:hover{color:var(--text-primary)}.modal-form{display:flex;flex-direction:column;gap:16px}.form-group{display:flex;flex-direction:column;gap:6px}.form-group label{font-size:.8rem;font-weight:500;color:var(--text-secondary)}.form-group input,.form-group select,.form-group textarea{padding:10px 14px;background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.88rem;transition:border-color var(--transition-fast)}.form-group input:focus,.form-group select:focus{border-color:var(--accent);outline:none}.form-hint{font-size:.72rem;color:var(--text-muted)}.form-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:8px}.settings-body{display:flex;flex-direction:column;gap:24px}.settings-section h3{font-size:.95rem;margin-bottom:14px;padding-bottom:8px;border-bottom:1px solid var(--border-color)}.settings-actions{display:flex;flex-wrap:wrap;gap:8px}.import-body{display:flex;flex-direction:column;gap:16px}.import-droparea{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:40px 20px;border:2px dashed var(--border-color);border-radius:var(--radius-md);text-align:center;cursor:pointer;transition:all var(--transition-normal);color:var(--text-secondary)}.import-droparea:hover,.import-droparea.dragover{border-color:var(--accent);background:var(--accent-glow)}.import-hint{font-size:.75rem;color:var(--text-muted)}.import-list{max-height:260px;overflow-y:auto;display:flex;flex-direction:column;gap:6px}.import-item{display:flex;align-items:center;gap:10px;padding:8px 12px;background:var(--bg-surface);border-radius:var(--radius-sm);font-size:.82rem}.import-item-icon{width:20px;height:20px;border-radius:4px;object-fit:contain;background:var(--bg-input)}.import-item-title{flex:1;color:var(--text-primary)}.import-item-url{color:var(--text-muted);font-size:.72rem;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.drop-zone{position:fixed;top:0;right:0;bottom:0;left:0;z-index:999;display:flex;align-items:center;justify-content:center;background:#0009;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);animation:fadeUp .2s ease}.drop-zone-content{display:flex;flex-direction:column;align-items:center;gap:16px;padding:60px;border:3px dashed var(--accent);border-radius:var(--radius-xl);color:var(--accent);font-size:1.1rem;animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}.toast-container{position:fixed;bottom:24px;right:24px;z-index:2000;display:flex;flex-direction:column;gap:8px}.toast{display:flex;align-items:center;gap:10px;padding:12px 18px;background:var(--bg-modal);border:1px solid var(--border-color);border-radius:var(--radius-sm);box-shadow:var(--shadow-md);font-size:.85rem;animation:toastIn .3s ease;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.toast.success{border-left:3px solid var(--success)}.toast.error{border-left:3px solid var(--danger)}.toast.info{border-left:3px solid var(--info)}@keyframes toastIn{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@media(max-width:768px){.app-header{flex-wrap:wrap;padding:10px 16px;gap:8px}.header-left{order:1}.header-right{order:2}.header-center{order:3;flex:1 0 100%;max-width:100%}.main-content{padding:12px 16px 32px}.bookmarks-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}.category-bar{padding:10px 16px}}@media(max-width:480px){.logo-text{display:none}.bookmarks-grid{grid-template-columns:1fr}.empty-actions{flex-direction:column}}.bookmarks-container{display:flex;flex-direction:column;gap:32px;padding-bottom:40px}.category-group{display:flex;flex-direction:column;gap:16px}.category-header{font-size:1.25rem;font-weight:600;color:var(--text-primary);display:flex;align-items:center;gap:8px;padding-bottom:8px;border-bottom:1px solid var(--border-color)}.category-count{font-size:.85rem;font-weight:500;background:var(--bg-surface);border:1px solid var(--border-color);padding:2px 10px;border-radius:12px;color:var(--text-secondary)}.sortable-ghost{opacity:.4;transform:scale(.98)}.sortable-drag{cursor:grabbing!important}:root,[data-theme=dark]{--bg-primary: #0a0a12;--bg-secondary: rgba(18, 18, 30, .92);--bg-card: rgba(22, 22, 38, .75);--bg-card-hover: rgba(30, 30, 52, .85);--bg-surface: rgba(28, 28, 48, .6);--bg-modal: rgba(14, 14, 24, .96);--bg-input: rgba(30, 30, 50, .7);--text-primary: #e8e8f0;--text-secondary: #a0a0b8;--text-muted: #606078;--accent: #6ee7b7;--accent-glow: rgba(110, 231, 183, .15);--accent-hover: #5fd4a8;--primary: #818cf8;--primary-soft: rgba(129, 140, 248, .12);--border-color: rgba(255, 255, 255, .06);--border-hover: rgba(255, 255, 255, .12);--danger: #f87171;--warning: #fbbf24;--success: #34d399;--info: #60a5fa;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .4);--shadow-md: 0 4px 16px rgba(0, 0, 0, .5);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .6);--shadow-glow: 0 0 20px var(--accent-glow);--glass-blur: 20px;--glass-bg: rgba(22, 22, 38, .65);--glow-1: rgba(129, 140, 248, .08);--glow-2: rgba(110, 231, 183, .06);--glow-3: rgba(167, 139, 250, .05);--radius-xs: 6px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--radius-full: 999px;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s ease;--tag-1: #818cf8;--tag-1-bg: rgba(129, 140, 248, .12);--tag-2: #6ee7b7;--tag-2-bg: rgba(110, 231, 183, .12);--tag-3: #f472b6;--tag-3-bg: rgba(244, 114, 182, .12);--tag-4: #fbbf24;--tag-4-bg: rgba(251, 191, 36, .12);--tag-5: #60a5fa;--tag-5-bg: rgba(96, 165, 250, .12);--tag-6: #a78bfa;--tag-6-bg: rgba(167, 139, 250, .12);--tag-7: #fb923c;--tag-7-bg: rgba(251, 146, 60, .12);--tag-8: #34d399;--tag-8-bg: rgba(52, 211, 153, .12)}[data-theme=light]{--bg-primary: #f4f4f8;--bg-secondary: rgba(255, 255, 255, .95);--bg-card: rgba(255, 255, 255, .85);--bg-card-hover: rgba(255, 255, 255, .95);--bg-surface: rgba(240, 240, 248, .8);--bg-modal: rgba(255, 255, 255, .98);--bg-input: rgba(240, 240, 248, .9);--text-primary: #1a1a2e;--text-secondary: #555570;--text-muted: #9090a8;--accent: #059669;--accent-glow: rgba(5, 150, 105, .1);--accent-hover: #047857;--primary: #6366f1;--primary-soft: rgba(99, 102, 241, .08);--border-color: rgba(0, 0, 0, .06);--border-hover: rgba(0, 0, 0, .12);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);--shadow-md: 0 4px 16px rgba(0, 0, 0, .1);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .12);--shadow-glow: 0 0 20px var(--accent-glow);--glass-bg: rgba(255, 255, 255, .7);--glow-1: rgba(99, 102, 241, .06);--glow-2: rgba(5, 150, 105, .04);--glow-3: rgba(167, 139, 250, .04);--tag-1: #6366f1;--tag-1-bg: rgba(99, 102, 241, .08);--tag-2: #059669;--tag-2-bg: rgba(5, 150, 105, .08);--tag-3: #db2777;--tag-3-bg: rgba(219, 39, 119, .08);--tag-4: #d97706;--tag-4-bg: rgba(217, 119, 6, .08);--tag-5: #2563eb;--tag-5-bg: rgba(37, 99, 235, .08);--tag-6: #7c3aed;--tag-6-bg: rgba(124, 58, 237, .08);--tag-7: #ea580c;--tag-7-bg: rgba(234, 88, 12, .08);--tag-8: #0d9488;--tag-8-bg: rgba(13, 148, 136, .08)}