@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";
:root{--bg-primary:#0a0a0f;--bg-secondary:#101018;--bg-card:#16161f;--bg-card-hover:#1c1c28;--bg-elevated:#1e1e2a;--bg-input:#12121a;--accent:#7c6aff;--accent-hover:#6b58f0;--accent-soft:#7c6aff1f;--accent-glow:#7c6aff40;--text-primary:#eaeaf0;--text-secondary:#8888a0;--text-tertiary:#5a5a70;--border:#252535;--border-hover:#35354a;--success:#4ade80;--success-soft:#4ade801f;--warning:#fbbf24;--warning-soft:#fbbf241f;--danger:#f87171;--danger-soft:#f871711f;--info:#60a5fa;--info-soft:#60a5fa1f;--radius-sm:6px;--radius-md:10px;--radius-lg:14px;--radius-xl:20px;--shadow-sm:0 1px 3px #0000004d;--shadow-md:0 4px 12px #0006;--shadow-lg:0 8px 30px #00000080;--transition:.2s ease;--font:"Inter", -apple-system, BlinkMacSystemFont, sans-serif}[data-theme=light]{--bg-primary:#f5f5fa;--bg-secondary:#eeeef5;--bg-card:#fff;--bg-card-hover:#f8f8fc;--bg-elevated:#fff;--bg-input:#f0f0f6;--accent:#6b58f0;--accent-hover:#5a47e0;--accent-soft:#6b58f01a;--accent-glow:#6b58f026;--text-primary:#1a1a2e;--text-secondary:#6b6b80;--text-tertiary:#99a;--border:#e0e0ea;--border-hover:#d0d0dd;--success:#16a34a;--success-soft:#16a34a1a;--warning:#d97706;--warning-soft:#d977061a;--danger:#dc2626;--danger-soft:#dc26261a;--info:#2563eb;--info-soft:#2563eb1a;--shadow-sm:0 1px 3px #00000014;--shadow-md:0 4px 12px #0000001a;--shadow-lg:0 8px 30px #0000001f}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;font-size:16px}body{font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.6}a{color:var(--accent);text-decoration:none}.btn{border-radius:var(--radius-md);font-family:var(--font);cursor:pointer;transition:all var(--transition);border:none;align-items:center;gap:8px;padding:10px 20px;font-size:.875rem;font-weight:500;line-height:1.2;display:inline-flex}.btn-primary{background:var(--accent);color:#fff;box-shadow:0 0 20px var(--accent-glow)}.btn-primary:hover{background:var(--accent-hover);box-shadow:0 0 30px var(--accent-glow);transform:translateY(-1px)}.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--border-hover)}.btn-ghost{color:var(--text-secondary);background:0 0}.btn-ghost:hover{background:var(--accent-soft);color:var(--accent)}.btn-danger{background:var(--danger-soft);color:var(--danger)}.btn-danger:hover{background:var(--danger);color:#fff}.btn-sm{padding:6px 12px;font-size:.8rem}.btn-icon{border-radius:var(--radius-sm);padding:8px}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.input,.textarea{background:var(--bg-input);width:100%;color:var(--text-primary);border:1px solid var(--border);border-radius:var(--radius-md);font-family:var(--font);transition:all var(--transition);outline:none;padding:10px 14px;font-size:.9rem}.input:focus,.textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.input::placeholder,.textarea::placeholder{color:var(--text-tertiary)}.textarea{resize:vertical;min-height:120px;line-height:1.7}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);transition:all var(--transition);padding:20px}.card:hover{border-color:var(--border-hover)}.card-glass{-webkit-backdrop-filter:blur(20px);background:#16161f99;border:1px solid #ffffff0f}.tag{background:var(--accent-soft);color:var(--accent);transition:all var(--transition);border-radius:50px;align-items:center;gap:4px;padding:3px 10px;font-size:.75rem;font-weight:500;display:inline-flex}.tag-removable{cursor:pointer}.tag-removable:hover{background:var(--danger-soft);color:var(--danger)}.badge{border-radius:50px;align-items:center;padding:2px 8px;font-size:.7rem;font-weight:600;display:inline-flex}.badge-success{background:var(--success-soft);color:var(--success)}.badge-warning{background:var(--warning-soft);color:var(--warning)}.badge-info{background:var(--info-soft);color:var(--info)}.page-container{min-height:100vh;display:flex}.sidebar{background:var(--bg-secondary);border-right:1px solid var(--border);z-index:40;flex-direction:column;width:260px;padding:20px 0;transition:transform .3s;display:flex;position:fixed;top:0;bottom:0;left:0}.sidebar-logo{border-bottom:1px solid var(--border);margin-bottom:8px;padding:0 20px 20px}.sidebar-logo h1{background:linear-gradient(135deg, var(--accent), #a78bfa);-webkit-text-fill-color:transparent;letter-spacing:-.5px;-webkit-background-clip:text;background-clip:text;font-size:1.4rem;font-weight:800}.sidebar-nav{flex-direction:column;flex:1;gap:2px;padding:8px 12px;display:flex}.sidebar-link{border-radius:var(--radius-md);color:var(--text-secondary);transition:all var(--transition);cursor:pointer;text-align:left;width:100%;font-size:.9rem;font-weight:500;font-family:var(--font);background:0 0;border:none;align-items:center;gap:10px;padding:10px 12px;display:flex}.sidebar-link:hover{background:var(--accent-soft);color:var(--text-primary)}.sidebar-link.active{background:var(--accent-soft);color:var(--accent)}.sidebar-footer{border-top:1px solid var(--border);padding:12px 16px}.main-content{flex:1;min-height:100vh;margin-left:260px}.auth-page{background:var(--bg-primary);background-image:radial-gradient(circle at 30% 20%, var(--accent-soft) 0%, transparent 50%), radial-gradient(circle at 70% 80%, #a78bfa14 0%, transparent 50%);justify-content:center;align-items:center;min-height:100vh;display:flex}.auth-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);width:100%;max-width:420px;box-shadow:var(--shadow-lg);padding:40px}.auth-card h1{background:linear-gradient(135deg, var(--accent), #a78bfa);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:4px;font-size:1.8rem;font-weight:700}.auth-card p{color:var(--text-secondary);margin-bottom:28px;font-size:.9rem}.form-group{margin-bottom:18px}.form-group label{color:var(--text-secondary);margin-bottom:6px;font-size:.85rem;font-weight:500;display:block}.form-error{color:var(--danger);margin-top:4px;font-size:.8rem}.auth-error{background:var(--danger-soft);color:var(--danger);border-radius:var(--radius-md);margin-bottom:16px;padding:10px 14px;font-size:.85rem}.auth-footer{text-align:center;color:var(--text-secondary);margin-top:20px;font-size:.85rem}.notes-header{border-bottom:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:24px 32px;display:flex}.notes-header h2{font-size:1.3rem;font-weight:700}.search-bar{flex:1;align-items:center;gap:8px;max-width:400px;display:flex}.search-bar .input{background:var(--bg-secondary)}.notes-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;padding:24px 32px;display:grid}.note-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition);flex-direction:column;gap:12px;padding:20px;display:flex}.note-card:hover{border-color:var(--accent);box-shadow:0 8px 25px #0000004d, 0 0 0 1px var(--accent-glow);transform:translateY(-2px)}.note-card-title{font-size:1.05rem;font-weight:600;line-height:1.3}.note-card-preview{color:var(--text-secondary);-webkit-line-clamp:3;-webkit-box-orient:vertical;font-size:.85rem;line-height:1.6;display:-webkit-box;overflow:hidden}.note-card-footer{justify-content:space-between;align-items:center;margin-top:auto;padding-top:8px;display:flex}.note-card-date{color:var(--text-tertiary);font-size:.75rem}.note-card-tags{flex-wrap:wrap;gap:4px;display:flex}.editor-container{height:100vh;display:flex}.editor-main{flex-direction:column;flex:1;display:flex;overflow:hidden}.editor-toolbar{border-bottom:1px solid var(--border);background:var(--bg-secondary);align-items:center;gap:12px;padding:12px 24px;display:flex}.editor-title-input{width:100%;color:var(--text-primary);font-family:var(--font);border:none;border-bottom:1px solid var(--border);background:0 0;outline:none;padding:16px 24px;font-size:1.5rem;font-weight:700}.editor-title-input::placeholder{color:var(--text-tertiary)}.editor-body{flex:1;display:flex;overflow:hidden}.editor-textarea{resize:none;color:var(--text-primary);background:0 0;border:none;outline:none;flex:1;padding:24px;font-family:SF Mono,Fira Code,Cascadia Code,monospace;font-size:.9rem;line-height:1.8}.editor-preview{border-left:1px solid var(--border);flex:1;padding:24px;font-size:.9rem;line-height:1.8;overflow-y:auto}.editor-preview h1,.editor-preview h2,.editor-preview h3{margin:16px 0 8px;font-weight:600}.editor-preview h1{font-size:1.5rem}.editor-preview h2{font-size:1.25rem}.editor-preview h3{font-size:1.1rem}.editor-preview p{margin-bottom:12px}.editor-preview ul,.editor-preview ol{margin-bottom:12px;padding-left:24px}.editor-preview code{background:var(--bg-secondary);border-radius:4px;padding:2px 6px;font-size:.85em}.editor-preview pre{background:var(--bg-secondary);border-radius:var(--radius-md);margin-bottom:12px;padding:16px;overflow-x:auto}.editor-preview pre code{background:0 0;padding:0}.editor-preview blockquote{border-left:3px solid var(--accent);color:var(--text-secondary);margin-bottom:12px;padding-left:16px}.ai-panel{background:var(--bg-secondary);border-left:1px solid var(--border);flex-direction:column;width:340px;display:flex;overflow-y:auto}.ai-panel-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.ai-panel-header h3{align-items:center;gap:8px;font-size:.95rem;font-weight:600;display:flex}.ai-section{border-bottom:1px solid var(--border);padding:16px 20px}.ai-section h4{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:10px;font-size:.8rem;font-weight:600}.ai-summary{color:var(--text-secondary);font-size:.85rem;line-height:1.6}.ai-action-item{color:var(--text-secondary);align-items:flex-start;gap:8px;padding:6px 0;font-size:.85rem;display:flex}.ai-action-item:before{content:"○";color:var(--accent);margin-top:3px;font-size:.7rem}.ai-loading{color:var(--text-tertiary);align-items:center;gap:8px;font-size:.85rem;display:flex}.ai-loading .spinner{border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;width:16px;height:16px;animation:.8s linear infinite spin}.insights-page{padding:32px}.insights-page h2{margin-bottom:24px;font-size:1.5rem;font-weight:700}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:32px;display:grid}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);transition:all var(--transition);padding:20px}.stat-card:hover{border-color:var(--accent)}.stat-card-value{margin-bottom:4px;font-size:2rem;font-weight:800}.stat-card-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-size:.8rem;font-weight:500}.stat-card-icon{margin-bottom:8px;font-size:1.5rem}.insights-section{margin-bottom:32px}.insights-section h3{align-items:center;gap:8px;margin-bottom:16px;font-size:1.1rem;font-weight:600;display:flex}.activity-chart{align-items:flex-end;gap:8px;height:140px;padding:16px 0;display:flex}.activity-bar-group{flex-direction:column;flex:1;align-items:center;gap:4px;display:flex}.activity-bar{background:var(--accent);border-radius:4px 4px 0 0;width:100%;max-width:40px;min-height:4px;transition:height .5s}.activity-bar.updated{background:#a78bfa80}.activity-label{color:var(--text-tertiary);font-size:.7rem}.tag-cloud{flex-wrap:wrap;gap:8px;display:flex}.tag-cloud-item{background:var(--bg-card);border:1px solid var(--border);color:var(--text-secondary);transition:all var(--transition);cursor:default;border-radius:50px;padding:6px 14px;font-size:.8rem}.tag-cloud-item:hover{border-color:var(--accent);color:var(--accent)}.tag-count{color:var(--text-primary);margin-left:4px;font-weight:700}.shared-page{background:var(--bg-primary);background-image:radial-gradient(circle at 50% 0%, var(--accent-soft) 0%, transparent 60%);justify-content:center;min-height:100vh;padding:40px 20px;display:flex}.shared-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);width:100%;max-width:720px;box-shadow:var(--shadow-lg);padding:40px}.shared-card h1{margin-bottom:16px;font-size:2rem;font-weight:800}.shared-meta{color:var(--text-secondary);flex-wrap:wrap;align-items:center;gap:16px;margin-bottom:24px;font-size:.85rem;display:flex}.shared-content{font-size:.95rem;line-height:1.8}.toast-container{z-index:1000;flex-direction:column;gap:8px;display:flex;position:fixed;bottom:20px;right:20px}.toast{border-radius:var(--radius-md);background:var(--bg-elevated);border:1px solid var(--border);color:var(--text-primary);box-shadow:var(--shadow-lg);align-items:center;gap:8px;padding:12px 20px;font-size:.85rem;animation:.3s slideInRight;display:flex}.toast-success{border-left:3px solid var(--success)}.toast-error{border-left:3px solid var(--danger)}.toast-info{border-left:3px solid var(--info)}.empty-state{text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:60px 20px;display:flex}.empty-state-icon{opacity:.5;margin-bottom:16px;font-size:3rem}.empty-state h3{margin-bottom:8px;font-size:1.1rem;font-weight:600}.empty-state p{color:var(--text-secondary);margin-bottom:20px;font-size:.9rem}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:100;background:#0009;justify-content:center;align-items:center;animation:.2s fadeIn;display:flex;position:fixed;inset:0}.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);width:90%;max-width:480px;box-shadow:var(--shadow-lg);padding:28px;animation:.2s scaleIn}.modal h3{margin-bottom:16px;font-size:1.1rem;font-weight:600}.modal-actions{justify-content:flex-end;gap:8px;margin-top:20px;display:flex}.kbd{background:var(--bg-secondary);border:1px solid var(--border);color:var(--text-tertiary);font-size:.7rem;font-family:var(--font);border-radius:4px;justify-content:center;align-items:center;padding:2px 6px;display:inline-flex}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--border-hover)}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes slideInRight{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-in{animation:.3s forwards slideUp}.save-indicator{color:var(--text-tertiary);align-items:center;gap:6px;font-size:.8rem;display:flex}.save-dot{border-radius:50%;width:6px;height:6px}.save-dot.saved{background:var(--success)}.save-dot.saving{background:var(--warning);animation:1s infinite pulse}.save-dot.unsaved{background:var(--text-tertiary)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}@media (max-width:768px){.sidebar{transform:translate(-100%)}.sidebar.open{transform:translate(0)}.main-content{margin-left:0}.notes-header{padding:16px}.notes-grid{grid-template-columns:1fr;padding:16px}.ai-panel,.editor-preview{display:none}.insights-page{padding:16px}}.theme-toggle{cursor:pointer;color:var(--text-secondary);border-radius:var(--radius-sm);transition:all var(--transition);background:0 0;border:none;padding:8px;font-size:1.2rem}.theme-toggle:hover{color:var(--accent);background:var(--accent-soft)}.filter-bar{border-bottom:1px solid var(--border);align-items:center;gap:8px;padding:12px 32px;display:flex;overflow-x:auto}.filter-chip{background:var(--bg-card);border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;transition:all var(--transition);white-space:nowrap;font-size:.8rem;font-family:var(--font);border-radius:50px;padding:5px 14px}.filter-chip:hover{border-color:var(--accent);color:var(--accent)}.filter-chip.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent)}.w-3{width:.75rem}.h-3{height:.75rem}.w-4{width:1rem}.h-4{height:1rem}.w-5{width:1.25rem}.h-5{height:1.25rem}.w-6{width:1.5rem}.h-6{height:1.5rem}.w-12{width:3rem}.h-12{height:3rem}.w-16{width:4rem}.h-16{height:4rem}svg{flex-shrink:0;display:block}