.theme-toggle{padding:8px;background-color:var(--surface-color);border-radius:6px;font-size:18px;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center}.theme-toggle:hover{background-color:#e8eaed;transform:scale(1.1)}[data-theme=dark] .theme-toggle:hover{background-color:#374151}.notification-bell{position:relative;background:none;border:none;cursor:pointer;font-size:18px;padding:4px 8px;border-radius:6px;transition:background .15s;color:inherit}.notification-bell:hover{background:var(--bg-hover, rgba(255,255,255,.08))}.notification-badge{position:absolute;top:-2px;right:-2px;background:#f44;color:#fff;font-size:10px;font-weight:700;min-width:16px;height:16px;border-radius:8px;display:flex;align-items:center;justify-content:center;padding:0 3px;line-height:1}.header{position:fixed;top:0;left:0;right:0;height:60px;background-color:#fff;box-shadow:var(--shadow);z-index:1000}.header-content{display:flex;align-items:center;justify-content:space-between;height:100%;gap:32px}.logo{text-decoration:none;color:var(--primary-color)}.logo h1{font-size:24px;font-weight:600;margin:0}.nav{display:flex;gap:32px;flex:1}.user-section{display:flex;align-items:center;gap:16px}.user-name{font-size:14px;font-weight:500;color:var(--text-primary);text-decoration:none;transition:color .2s}.user-name:hover{color:var(--primary-color)}.logout-btn{padding:6px 16px;background-color:var(--surface-color);color:var(--text-primary);border-radius:6px;font-size:14px;font-weight:500;transition:background-color .2s}.logout-btn:hover{background-color:#e8eaed}.login-link{font-size:14px;font-weight:500;color:var(--text-primary);text-decoration:none}.login-link:hover{color:var(--primary-color);text-decoration:none}.register-btn{padding:6px 16px;background-color:var(--primary-color);color:#fff;border-radius:6px;font-size:14px;font-weight:500;text-decoration:none;transition:background-color .2s}.register-btn:hover{background-color:#1557b0;text-decoration:none}.nav-link{color:var(--text-primary);font-size:16px;font-weight:500;text-decoration:none;transition:color .2s}.nav-link:hover{color:var(--primary-color);text-decoration:none}@media (max-width: 768px){.nav{gap:16px}.nav-link{font-size:14px}.logo h1{font-size:20px}}.layout{display:flex;flex-direction:column;min-height:100vh}.main-content{flex:1;padding-top:60px}.admin-layout{display:flex;min-height:100vh;background:#f0f2f5;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,sans-serif}.admin-sidebar{width:220px;min-height:100vh;background:#0f172a;display:flex;flex-direction:column;position:fixed;top:0;left:0;z-index:100}.admin-logo{display:flex;align-items:center;gap:10px;padding:20px 16px;border-bottom:1px solid rgba(255,255,255,.08);color:#fff}.admin-logo-icon{font-size:28px}.admin-logo-text{font-size:14px;font-weight:600;line-height:1.4}.admin-logo-text small{font-size:11px;color:#64748b;font-weight:400}.admin-nav{flex:1;padding:12px 0;overflow-y:auto}.admin-nav-item{display:flex;align-items:center;gap:10px;padding:10px 16px;color:#94a3b8;text-decoration:none;font-size:13.5px;transition:all .15s;border-left:3px solid transparent}.admin-nav-item:hover{color:#e2e8f0;background:#ffffff0d}.admin-nav-item.active{color:#38bdf8;background:#38bdf81a;border-left-color:#38bdf8}.nav-icon{font-size:16px;width:20px;text-align:center}.nav-label{font-size:13px}.admin-sidebar-footer{padding:16px;border-top:1px solid rgba(255,255,255,.08)}.admin-user-info{display:flex;align-items:center;gap:8px;margin-bottom:10px}.admin-user-avatar{font-size:24px}.admin-username{color:#e2e8f0;font-size:13px;font-weight:500}.admin-role{color:#38bdf8;font-size:11px}.admin-logout-btn{width:100%;padding:8px;background:#ef444426;color:#f87171;border:1px solid rgba(239,68,68,.3);border-radius:6px;cursor:pointer;font-size:12px;transition:all .15s}.admin-logout-btn:hover{background:#ef444440}.admin-main{flex:1;margin-left:220px;min-height:100vh;padding:24px;box-sizing:border-box}.admin-page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.admin-page-title{font-size:22px;font-weight:700;color:#0f172a;margin:0}.admin-card{background:#fff;border-radius:10px;padding:20px;box-shadow:0 1px 3px #00000014;margin-bottom:16px}.admin-table-wrap{overflow-x:auto}.admin-table{width:100%;border-collapse:collapse;font-size:13px}.admin-table th{background:#f8fafc;color:#475569;font-weight:600;padding:10px 14px;text-align:left;border-bottom:1px solid #e2e8f0;white-space:nowrap}.admin-table td{padding:10px 14px;border-bottom:1px solid #f1f5f9;color:#334155;vertical-align:middle}.admin-table tr:last-child td{border-bottom:none}.admin-table tr:hover td{background:#f8fafc}.admin-filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px;align-items:center}.admin-filter-input{padding:7px 12px;border:1px solid #d1d5db;border-radius:6px;font-size:13px;outline:none;transition:border .15s;min-width:180px}.admin-filter-input:focus{border-color:#38bdf8}.admin-filter-select{padding:7px 12px;border:1px solid #d1d5db;border-radius:6px;font-size:13px;outline:none;background:#fff;cursor:pointer}.admin-btn{padding:6px 12px;border-radius:5px;font-size:12px;cursor:pointer;border:1px solid transparent;transition:all .15s;white-space:nowrap}.admin-btn-primary{background:#0ea5e9;color:#fff;border-color:#0ea5e9}.admin-btn-primary:hover{background:#0284c7}.admin-btn-danger{background:transparent;color:#ef4444;border-color:#fca5a5}.admin-btn-danger:hover{background:#fef2f2}.admin-btn-warning{background:transparent;color:#f59e0b;border-color:#fcd34d}.admin-btn-warning:hover{background:#fffbeb}.admin-btn-success{background:transparent;color:#10b981;border-color:#6ee7b7}.admin-btn-success:hover{background:#f0fdf4}.admin-btn-ghost{background:transparent;color:#64748b;border-color:#d1d5db}.admin-btn-ghost:hover{background:#f8fafc}.admin-badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:600}.badge-active{background:#dcfce7;color:#16a34a}.badge-banned{background:#fee2e2;color:#dc2626}.badge-pending{background:#fef3c7;color:#d97706}.badge-resolved{background:#dbeafe;color:#2563eb}.badge-rejected{background:#f1f5f9;color:#64748b}.badge-superuser{background:#ede9fe;color:#7c3aed}.badge-featured{background:#fef9c3;color:#a16207}.badge-hidden{background:#fee2e2;color:#dc2626}.admin-pagination{display:flex;align-items:center;gap:8px;margin-top:16px;justify-content:flex-end}.admin-page-btn{padding:6px 12px;border:1px solid #d1d5db;border-radius:5px;font-size:13px;cursor:pointer;background:#fff;color:#374151;transition:all .15s}.admin-page-btn:disabled{opacity:.4;cursor:not-allowed}.admin-page-btn:not(:disabled):hover{border-color:#38bdf8;color:#0ea5e9}.admin-page-info{font-size:13px;color:#64748b}.admin-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:1000}.admin-modal{background:#fff;border-radius:12px;padding:24px;width:100%;max-width:480px;box-shadow:0 20px 60px #0003}.admin-modal-title{font-size:16px;font-weight:700;color:#0f172a;margin:0 0 16px}.admin-modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:20px}.admin-form-group{margin-bottom:14px}.admin-form-label{display:block;font-size:12px;color:#475569;margin-bottom:5px;font-weight:500}.admin-form-input{width:100%;padding:8px 12px;border:1px solid #d1d5db;border-radius:6px;font-size:13px;outline:none;box-sizing:border-box}.admin-form-input:focus{border-color:#38bdf8}.admin-form-select{width:100%;padding:8px 12px;border:1px solid #d1d5db;border-radius:6px;font-size:13px;outline:none;background:#fff;box-sizing:border-box}.admin-loading,.admin-empty{text-align:center;padding:40px;color:#94a3b8;font-size:14px}.admin-actions{display:flex;gap:6px;flex-wrap:wrap}.admin-total-count{font-size:13px;color:#64748b;margin-bottom:12px}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}@media (max-width: 1100px){.stats-grid{grid-template-columns:repeat(2,1fr)}}.stat-card{background:#fff;border-radius:10px;padding:20px;display:flex;align-items:center;gap:16px;box-shadow:0 1px 3px #00000014;border-left:4px solid}.stat-card-blue{border-left-color:#0ea5e9}.stat-card-green{border-left-color:#10b981}.stat-card-orange{border-left-color:#f59e0b}.stat-card-red{border-left-color:#ef4444}.stat-icon{font-size:32px;opacity:.9}.stat-body{flex:1}.stat-value{font-size:26px;font-weight:700;color:#0f172a;line-height:1.2}.stat-label{font-size:12px;color:#64748b;margin-top:2px}.stat-sub{font-size:11px;color:#94a3b8;margin-top:3px}.chart-title{font-size:15px;font-weight:600;color:#0f172a;margin:0 0 4px}.chart-total{font-size:12px;color:#64748b;margin-bottom:16px}.mini-chart{width:100%}.mini-chart-bars{display:flex;align-items:flex-end;height:120px;gap:4px;padding-bottom:24px;position:relative}.mini-bar-wrap{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;cursor:pointer}.mini-bar{width:100%;background:linear-gradient(to top,#0ea5e9,#38bdf8);border-radius:3px 3px 0 0;min-height:4px;transition:opacity .15s}.mini-bar-wrap:hover .mini-bar{opacity:.7}.mini-bar-date{font-size:10px;color:#94a3b8;margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}.alert-card{display:flex;align-items:center;gap:10px;background:#fffbeb;border:1px solid #fcd34d;font-size:14px;color:#78350f}.alert-icon{font-size:18px}.alert-link{margin-left:auto;color:#d97706;text-decoration:none;font-size:13px;font-weight:500}.alert-link:hover{text-decoration:underline}.home-page{min-height:calc(100vh - 60px)}.hero{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:80px 0;text-align:center}.hero-title{font-size:48px;font-weight:700;margin-bottom:20px}.hero-subtitle{font-size:20px;margin-bottom:40px;opacity:.9}.hero-actions{display:flex;gap:20px;justify-content:center}.btn{padding:12px 32px;border-radius:8px;font-size:16px;font-weight:600;text-decoration:none;transition:all .3s;display:inline-block}.btn-primary{background-color:#fff;color:#667eea}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 4px 12px #00000026;text-decoration:none}.btn-secondary{background-color:transparent;color:#fff;border:2px solid white}.btn-secondary:hover{background-color:#fff;color:#667eea;text-decoration:none}.features{padding:80px 0}.section-title{text-align:center;font-size:36px;font-weight:700;margin-bottom:60px}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:40px}.feature-card{padding:40px;background-color:var(--surface-color);border-radius:12px;text-align:center;transition:transform .3s}.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.feature-card h3{font-size:24px;margin-bottom:16px;color:var(--primary-color)}.feature-card p{color:var(--text-secondary);line-height:1.6}@media (max-width: 768px){.hero-title{font-size:32px}.hero-subtitle{font-size:16px}.hero-actions{flex-direction:column;align-items:center}.btn{width:200px}.section-title{font-size:28px}.feature-grid{grid-template-columns:1fr}}.rocket-list-page{padding:40px 0}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px}.page-title{font-size:32px;font-weight:700;margin:0}.compare-btn{padding:10px 20px;background-color:var(--primary-color);color:#fff;border-radius:6px;font-size:14px;font-weight:500;transition:background-color .2s}.compare-btn:hover{background-color:#1557b0}.filter-bar{display:flex;gap:12px;margin-bottom:40px;justify-content:center;flex-wrap:wrap}.filter-btn{padding:8px 20px;border-radius:20px;background-color:var(--surface-color);color:var(--text-primary);font-size:14px;font-weight:500;transition:all .2s}.filter-btn:hover{background-color:#e8eaed}.filter-btn.active{background-color:var(--primary-color);color:#fff}.rocket-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}.rocket-card{background-color:#fff;border-radius:12px;overflow:hidden;box-shadow:var(--shadow);transition:transform .3s,box-shadow .3s;text-decoration:none;color:inherit}.rocket-card:hover{transform:translateY(-4px);box-shadow:0 4px 12px #00000026;text-decoration:none}.rocket-image-placeholder{height:200px;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center}.rocket-icon{font-size:80px}.rocket-info{padding:20px}.rocket-info h3{font-size:20px;font-weight:600;margin-bottom:8px}.rocket-type{color:var(--text-secondary);font-size:14px;margin-bottom:16px}.rocket-specs{display:flex;gap:16px}.spec{flex:1;display:flex;flex-direction:column;gap:4px}.spec-label{font-size:12px;color:var(--text-secondary)}.spec-value{font-size:14px;font-weight:600;color:var(--text-primary)}@media (max-width: 640px){.rocket-grid{grid-template-columns:1fr 1fr;gap:16px}.rocket-image-placeholder{height:140px}.rocket-icon{font-size:56px}.rocket-info h3{font-size:16px}.page-header{flex-direction:column;gap:12px;align-items:flex-start}.page-title{font-size:24px}.compare-btn{width:100%}}@media (max-width: 400px){.rocket-grid{grid-template-columns:1fr}}.learning-path-page{padding:40px 0}.page-title{font-size:32px;font-weight:700;margin-bottom:12px;text-align:center}.page-subtitle{text-align:center;color:var(--text-secondary);font-size:16px;margin-bottom:48px}.path-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:32px}.path-card{background-color:#fff;padding:32px;border-radius:12px;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:transform .3s}.path-card:hover{transform:translateY(-4px);box-shadow:0 4px 12px #00000026}.path-header{margin-bottom:16px}.path-header h3{font-size:22px;font-weight:600;margin-bottom:12px}.path-meta{display:flex;gap:12px;align-items:center}.badge{padding:4px 12px;background-color:var(--primary-color);color:#fff;border-radius:12px;font-size:12px;font-weight:500}.duration{color:var(--text-secondary);font-size:14px}.path-description{color:var(--text-secondary);line-height:1.6;margin-bottom:24px;flex:1}.path-stats{display:flex;gap:32px;margin-bottom:16px}.stat{display:flex;flex-direction:column;gap:4px}.progress-bar{height:8px;background-color:var(--surface-color);border-radius:4px;overflow:hidden;margin-bottom:24px}.start-btn{width:100%;padding:12px;background-color:var(--primary-color);color:#fff;border-radius:8px;font-size:16px;font-weight:600;transition:background-color .2s}.start-btn:hover{background-color:#1557b0}@media (max-width: 768px){.path-grid{grid-template-columns:1fr}.page-title{font-size:24px}}.learning-path-detail-page{padding:40px 0}.path-header{margin-bottom:40px}.back-btn{padding:8px 16px;background-color:var(--surface-color);color:var(--text-primary);border-radius:6px;font-size:14px;margin-bottom:20px;transition:background-color .2s}.path-header h1{font-size:32px;font-weight:700;margin-bottom:12px}.path-description{font-size:16px;color:var(--text-secondary);margin-bottom:16px;line-height:1.6}.stages-list{display:flex;flex-direction:column;gap:32px}.stage-card{background-color:#fff;padding:32px;border-radius:12px;box-shadow:var(--shadow)}.stage-header h2{font-size:24px;font-weight:600;margin-bottom:8px}.stage-header p{color:var(--text-secondary);margin-bottom:24px}.lessons-list{display:flex;flex-direction:column;gap:16px;margin-bottom:24px}.lesson-item{display:flex;justify-content:space-between;align-items:center;padding:20px;background-color:var(--surface-color);border-radius:8px;transition:transform .2s}.lesson-item:hover{transform:translate(4px)}.lesson-info{flex:1}.lesson-info h3{font-size:18px;font-weight:600;margin-bottom:8px}.lesson-info p{font-size:14px;color:var(--text-secondary);margin-bottom:8px}.lesson-duration{font-size:12px;color:var(--text-secondary)}.lesson-btn{padding:10px 24px;background-color:var(--primary-color);color:#fff;border-radius:6px;font-size:14px;font-weight:500;transition:background-color .2s}.lesson-btn:hover{background-color:#1557b0}.stage-quiz{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;background-color:#e3f2fd;border-radius:8px;border:2px solid var(--primary-color)}.quiz-btn{padding:8px 20px;background-color:var(--primary-color);color:#fff;border-radius:6px;font-size:14px;font-weight:500;transition:background-color .2s}.quiz-btn:hover{background-color:#1557b0}@media (max-width: 768px){.path-header h1{font-size:24px}.stage-card{padding:20px}.lesson-item{flex-direction:column;align-items:flex-start;gap:12px}.lesson-btn{width:100%}}.video-player{width:100%;background-color:#000;border-radius:8px;overflow:hidden}.video-title{padding:16px;background-color:#000c;color:#fff;font-size:18px;font-weight:600}.video-container{position:relative;width:100%}.video-element{width:100%;display:block;cursor:pointer}.video-controls{display:flex;align-items:center;gap:12px;padding:12px 16px;background-color:#000000e6;color:#fff}.control-btn{background:none;border:none;color:#fff;font-size:20px;cursor:pointer;padding:4px 8px;transition:opacity .2s}.control-btn:hover{opacity:.7}.time-display{font-size:14px;font-family:monospace;white-space:nowrap}.seek-bar{flex:1;height:4px;cursor:pointer}.volume-bar{width:80px;height:4px;cursor:pointer}input[type=range]{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:#ffffff4d;border-radius:2px;outline:none}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:12px;height:12px;background:#fff;border-radius:50%;cursor:pointer}input[type=range]::-moz-range-thumb{width:12px;height:12px;background:#fff;border-radius:50%;cursor:pointer;border:none}.speed-control{display:flex;gap:4px;align-items:center}.speed-btn{background:#ffffff26;border:1px solid rgba(255,255,255,.3);color:#fff;font-size:12px;padding:2px 6px;border-radius:4px;cursor:pointer;transition:background .2s}.speed-btn:hover{background:#ffffff4d}.speed-btn.active{background:#4a9eff;border-color:#4a9eff}@media (max-width: 768px){.video-controls{gap:8px;padding:8px 12px}.control-btn{font-size:16px;padding:2px 4px}.time-display{font-size:12px}.volume-bar{width:60px}}.lesson-detail-page{min-height:calc(100vh - 60px);padding:40px 0;background-color:var(--background-color)}.lesson-header{margin-bottom:32px}.back-btn{padding:8px 16px;background-color:var(--surface-color);color:var(--text-primary);border-radius:6px;font-size:14px;font-weight:500;margin-bottom:16px;transition:background-color .2s}.lesson-header h1{font-size:32px;font-weight:700;margin-bottom:16px;color:var(--text-primary)}.lesson-meta{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.lesson-meta .duration,.lesson-meta .type{font-size:14px;color:var(--text-secondary)}.completed-badge{padding:4px 12px;background-color:#4caf50;color:#fff;border-radius:12px;font-size:12px;font-weight:600}.lesson-content{background-color:#fff;border-radius:12px;padding:32px;box-shadow:var(--shadow)}.text-content{padding:24px;background-color:var(--surface-color);border-radius:8px;line-height:1.8;font-size:16px;color:var(--text-primary)}.content-link{margin-top:24px;padding-top:24px;border-top:1px solid var(--border-color)}.content-link a{color:var(--primary-color);font-weight:600;text-decoration:none;transition:color .2s}.content-link a:hover{color:#1557b0;text-decoration:underline}.content-placeholder{padding:48px;text-align:center;background-color:var(--surface-color);border-radius:8px}.content-placeholder p{font-size:16px;color:var(--text-secondary);margin-bottom:8px}.content-placeholder .hint{font-size:14px;color:#999}.rich-text{line-height:1.8;font-size:16px;color:var(--text-primary)}.rich-text p{margin-bottom:16px}.model-viewer-placeholder{padding:48px;text-align:center;background:linear-gradient(135deg,#0f1b2d,#1a2a4a);border-radius:12px;color:#fff}.model-icon{font-size:64px;margin-bottom:16px}.model-viewer-placeholder p{font-size:18px;font-weight:600;margin-bottom:8px}.model-viewer-placeholder .hint{font-size:14px;color:#fff9;margin-top:16px}.view-model-btn{display:inline-block;margin-top:16px;padding:12px 24px;background-color:#4a9eff;color:#fff;border-radius:8px;font-size:14px;font-weight:600;text-decoration:none;transition:background-color .2s;cursor:pointer;border:none}.view-model-btn:hover{background-color:#2b7de9}.interactive-content{border-radius:8px;overflow:hidden}.interactive-frame{width:100%;height:500px;border:none;border-radius:8px}.interactive-placeholder{padding:48px;text-align:center;background-color:var(--surface-color);border-radius:8px}.interactive-icon{font-size:64px;margin-bottom:16px}.interactive-placeholder p{font-size:18px;font-weight:600;margin-bottom:8px;color:var(--text-primary)}.interactive-placeholder .hint{font-size:14px;color:var(--text-secondary);margin-bottom:24px}.lesson-description{margin-top:32px;padding-top:32px;border-top:1px solid var(--border-color)}.lesson-description h2{font-size:20px;font-weight:600;margin-bottom:16px;color:var(--text-primary)}.lesson-description p{font-size:16px;line-height:1.8;color:var(--text-secondary)}.progress-section{margin-top:32px;padding:24px;background-color:var(--surface-color);border-radius:8px}.progress-label{font-size:14px;font-weight:600;color:var(--text-primary);margin-bottom:12px}.progress-bar{height:8px;background-color:#e0e0e0;border-radius:4px;overflow:hidden;margin-bottom:8px}.progress-fill{height:100%;background-color:var(--primary-color);transition:width .3s ease}.progress-text{font-size:14px;color:var(--text-secondary);text-align:right}.lesson-actions{display:flex;gap:16px;margin-top:32px;padding-top:32px;border-top:1px solid var(--border-color)}.complete-btn,.next-btn{padding:12px 24px;border-radius:8px;font-size:16px;font-weight:600;transition:all .2s}.complete-btn{background-color:#4caf50;color:#fff}.complete-btn:hover{background-color:#45a049}.next-btn{background-color:var(--primary-color);color:#fff}.next-btn:hover{background-color:#1557b0}@media (max-width: 768px){.lesson-detail-page{padding:24px 0}.lesson-header h1{font-size:24px}.lesson-content{padding:20px}.lesson-actions{flex-direction:column}.complete-btn,.next-btn{width:100%}}.quiz-page{padding:40px 0;min-height:calc(100vh - 60px)}.quiz-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:32px;padding-bottom:24px;border-bottom:2px solid var(--border-color)}.quiz-info h1{font-size:28px;font-weight:700;margin-bottom:8px}.quiz-info p{color:var(--text-secondary);font-size:16px}.timer{display:flex;align-items:center;gap:8px;padding:12px 20px;background-color:var(--surface-color);border-radius:8px;font-size:20px;font-weight:600}.timer.warning{background-color:#ffebee;color:#d32f2f}.timer-icon{font-size:24px}.quiz-progress{margin-bottom:32px}.progress-bar{height:8px;background-color:var(--surface-color);border-radius:4px;overflow:hidden;margin-bottom:8px}.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary-color),var(--secondary-color));transition:width .3s}.progress-text{text-align:center;font-size:14px;color:var(--text-secondary)}.question-card{background-color:#fff;padding:40px;border-radius:12px;box-shadow:var(--shadow);margin-bottom:32px}.question-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.question-number{font-size:14px;font-weight:600;color:var(--primary-color)}.question-type{padding:4px 12px;background-color:var(--surface-color);border-radius:12px;font-size:12px;font-weight:500}.question-content h3{font-size:20px;font-weight:600;line-height:1.6;margin-bottom:24px}.options-list{display:flex;flex-direction:column;gap:12px}.option-item{display:flex;align-items:center;gap:12px;padding:16px 20px;background-color:var(--surface-color);border-radius:8px;cursor:pointer;transition:all .2s}.option-item:hover{background-color:#e8eaed}.option-item input[type=radio]{width:20px;height:20px;cursor:pointer}.option-item input[type=radio]:checked+.option-label{font-weight:600;color:var(--primary-color)}.option-label{flex:1;font-size:16px;line-height:1.5}.answer-input{width:100%;padding:16px;border:2px solid var(--border-color);border-radius:8px;font-size:16px;font-family:inherit;resize:vertical;transition:border-color .2s}.answer-input:focus{outline:none;border-color:var(--primary-color)}.quiz-navigation{display:flex;justify-content:space-between;align-items:center;gap:20px}.nav-btn{padding:12px 32px;background-color:var(--surface-color);color:var(--text-primary);border-radius:8px;font-size:16px;font-weight:500;transition:background-color .2s}.nav-btn:hover:not(:disabled){background-color:#e8eaed}.nav-btn:disabled{opacity:.5;cursor:not-allowed}.submit-btn{padding:12px 32px;background-color:var(--primary-color);color:#fff;border-radius:8px;font-size:16px;font-weight:600;transition:background-color .2s}.question-dots{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;flex:1}.dot{width:36px;height:36px;border-radius:50%;background-color:var(--surface-color);color:var(--text-secondary);font-size:14px;font-weight:500;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s}.dot:hover{background-color:#e8eaed}.dot.active{background-color:var(--primary-color);color:#fff}.dot.answered{background-color:var(--secondary-color);color:#fff}@media (max-width: 768px){.quiz-header{flex-direction:column;gap:16px}.question-card{padding:24px}.quiz-navigation{flex-direction:column}.nav-btn,.submit-btn{width:100%}.question-dots{order:-1;width:100%}}.quiz-result-page{padding:40px 0;min-height:calc(100vh - 60px)}.result-header{text-align:center;margin-bottom:48px}.result-icon{width:80px;height:80px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:48px;font-weight:700;margin:0 auto 24px}.result-icon.passed{background-color:#e8f5e9;color:#34a853}.result-icon.failed{background-color:#ffebee;color:#d32f2f}.result-header h1{font-size:32px;font-weight:700;margin-bottom:12px}.result-message{font-size:18px;color:var(--text-secondary)}.score-card{background-color:#fff;padding:48px;border-radius:12px;box-shadow:var(--shadow);margin-bottom:32px;display:flex;gap:48px;align-items:center}.score-circle{position:relative;width:200px;height:200px;flex-shrink:0}.score-circle svg{width:100%;height:100%}.score-text{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center}.score-number{font-size:48px;font-weight:700;color:var(--text-primary)}.score-unit{font-size:24px;color:var(--text-secondary);margin-left:4px}.score-details{flex:1;display:flex;flex-direction:column;gap:24px}.detail-item{display:flex;justify-content:space-between;align-items:center;padding-bottom:16px;border-bottom:1px solid var(--border-color)}.detail-item:last-child{border-bottom:none;padding-bottom:0}.detail-label{font-size:16px;color:var(--text-secondary)}.detail-value{font-size:20px;font-weight:600;color:var(--text-primary)}.feedback-section{margin-bottom:32px}.feedback-section h2{font-size:24px;font-weight:600;margin-bottom:24px}.feedback-list{display:flex;flex-direction:column;gap:16px}.feedback-item{background-color:#fff;padding:24px;border-radius:12px;box-shadow:var(--shadow);border-left:4px solid}.feedback-item.correct{border-left-color:#34a853}.feedback-item.incorrect{border-left-color:#d32f2f}.feedback-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.feedback-number{font-size:16px;font-weight:600}.feedback-status{padding:4px 12px;border-radius:12px;font-size:14px;font-weight:500}.feedback-status.correct{background-color:#e8f5e9;color:#34a853}.feedback-status.incorrect{background-color:#ffebee;color:#d32f2f}.feedback-content{display:flex;flex-direction:column;gap:12px}.correct-answer,.explanation{font-size:14px;line-height:1.6}.correct-answer strong,.explanation strong{color:var(--text-primary);margin-right:8px}.action-buttons{display:flex;gap:16px;justify-content:center}.btn{padding:12px 32px;border-radius:8px;font-size:16px;font-weight:600;transition:all .2s;text-decoration:none;display:inline-block}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:#1557b0;text-decoration:none}.btn-secondary{background-color:var(--surface-color);color:var(--text-primary)}.btn-secondary:hover{background-color:#e8eaed;text-decoration:none}@media (max-width: 768px){.score-card{flex-direction:column;padding:32px 24px;gap:32px}.score-circle{width:150px;height:150px}.score-number{font-size:36px}.score-unit{font-size:18px}.action-buttons{flex-direction:column}.btn{width:100%}}.auth-page{min-height:calc(100vh - 60px);display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);padding:40px 20px}.auth-container{width:100%;max-width:450px}.auth-card{background-color:#fff;padding:48px;border-radius:16px;box-shadow:0 10px 40px #0003}.auth-card h1{font-size:32px;font-weight:700;margin-bottom:8px;text-align:center}.auth-subtitle{text-align:center;color:var(--text-secondary);font-size:16px;margin-bottom:32px}.error-message{padding:12px 16px;background-color:#ffebee;color:#d32f2f;border-radius:8px;margin-bottom:24px;font-size:14px;text-align:center}.auth-form{display:flex;flex-direction:column;gap:20px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group input{padding:12px 16px;border:2px solid var(--border-color);border-radius:8px;font-size:16px;font-family:inherit;transition:border-color .2s}.form-group input:focus{outline:none;border-color:var(--primary-color)}.form-group input::placeholder{color:#999}.submit-btn{padding:14px;background-color:var(--primary-color);color:#fff;border-radius:8px;font-size:16px;font-weight:600;margin-top:8px;transition:background-color .2s}.submit-btn:disabled{opacity:.7;cursor:not-allowed}.auth-footer{margin-top:24px;text-align:center;font-size:14px;color:var(--text-secondary)}.auth-footer a{color:var(--primary-color);font-weight:600;margin-left:8px;text-decoration:none}.auth-footer a:hover{text-decoration:underline}@media (max-width: 768px){.auth-card{padding:32px 24px}.auth-card h1{font-size:24px}.auth-subtitle{font-size:14px}}.progress-dashboard{display:flex;flex-direction:column;gap:16px}.progress-item{padding:16px;background-color:var(--surface-color);border-radius:8px;transition:transform .2s;cursor:pointer}.progress-item:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.progress-item-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.progress-item-title{font-size:16px;font-weight:600;color:var(--text-primary)}.progress-percentage{font-size:14px;font-weight:700;color:var(--primary-color)}.progress-bar-container{height:8px;background-color:#e0e0e0;border-radius:4px;overflow:hidden;margin-bottom:8px}.progress-bar-fill{height:100%;background:linear-gradient(90deg,var(--primary-color),#764ba2);transition:width .3s ease}.progress-item-meta{display:flex;justify-content:space-between;font-size:12px;color:var(--text-secondary)}.empty-state{text-align:center;padding:32px;color:var(--text-secondary)}.empty-state p{margin-bottom:16px}.start-learning-btn{padding:10px 20px;background-color:var(--primary-color);color:#fff;border-radius:6px;font-size:14px;font-weight:500;transition:background-color .2s}.start-learning-btn:hover{background-color:#1557b0}.achievement-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:16px}.achievement-item{display:flex;flex-direction:column;align-items:center;padding:16px;background-color:var(--surface-color);border-radius:8px;text-align:center;transition:transform .2s}.achievement-item:hover{transform:translateY(-4px);box-shadow:0 4px 12px #0000001a}.achievement-item.locked{opacity:.5}.achievement-points{font-size:12px;font-weight:600;color:var(--primary-color);margin-top:4px}.empty-state .hint{font-size:12px;color:#999;margin-top:8px}.achievement-icon{font-size:48px;margin-bottom:8px}.achievement-item.locked .achievement-icon{filter:grayscale(100%)}.achievement-name{font-size:14px;font-weight:600;color:var(--text-primary);margin-bottom:4px}.achievement-description{font-size:12px;color:var(--text-secondary);line-height:1.4}.achievement-date{font-size:11px;color:#999;margin-top:8px}.empty-state{grid-column:1 / -1;text-align:center;padding:32px;color:var(--text-secondary)}@media (max-width: 768px){.achievement-list{grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:12px}.achievement-item{padding:12px}.achievement-icon{font-size:36px}.achievement-name{font-size:13px}.achievement-description{font-size:11px}}.profile-page{min-height:calc(100vh - 60px);padding:40px 0;background-color:var(--background-color)}.profile-header{background-color:#fff;padding:32px;border-radius:12px;box-shadow:var(--shadow);margin-bottom:32px}.profile-info{display:flex;align-items:center;gap:24px}.profile-avatar{width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,var(--primary-color),#764ba2);display:flex;align-items:center;justify-content:center;color:#fff;font-size:32px;font-weight:700}.profile-details h1{font-size:28px;font-weight:700;margin-bottom:8px;color:var(--text-primary)}.profile-email{font-size:14px;color:var(--text-secondary);margin-bottom:12px}.profile-stats{display:flex;gap:24px;margin-top:16px}.stat-item{display:flex;flex-direction:column;gap:4px}.stat-value{font-size:24px;font-weight:700;color:var(--primary-color)}.stat-label{font-size:12px;color:var(--text-secondary);text-transform:uppercase}.profile-content{display:grid;grid-template-columns:1fr 1fr;gap:32px}.content-section{background-color:#fff;padding:24px;border-radius:12px;box-shadow:var(--shadow)}.content-section.full-width{grid-column:1 / -1}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;padding-bottom:16px;border-bottom:2px solid var(--border-color)}.section-header h2{font-size:20px;font-weight:600;color:var(--text-primary)}.achievement-count{font-size:14px;color:var(--text-secondary);font-weight:500}.view-all-btn{padding:6px 12px;background-color:var(--surface-color);color:var(--text-primary);border-radius:6px;font-size:14px;font-weight:500;transition:background-color .2s}.view-all-btn:hover{background-color:#e8eaed}.error p{margin-bottom:16px;color:#d32f2f}.retry-btn{padding:10px 20px;background-color:var(--primary-color);color:#fff;border-radius:6px;font-size:14px;font-weight:500;transition:background-color .2s}@media (max-width: 968px){.profile-content{grid-template-columns:1fr}.content-section.full-width{grid-column:1}}@media (max-width: 768px){.profile-page{padding:24px 0}.profile-header{padding:20px}.profile-info{flex-direction:column;text-align:center}.profile-details h1{font-size:24px}.profile-stats{justify-content:center}.content-section{padding:20px}}.achievements-page{min-height:calc(100vh - 60px);padding:40px 0;background-color:var(--background-color)}.page-header{text-align:center;margin-bottom:40px}.page-header h1{font-size:36px;font-weight:700;color:var(--text-primary);margin-bottom:8px}.stats-bar{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:40px}.stat-card{background:var(--surface-color);border-radius:12px;padding:24px 32px;text-align:center;box-shadow:var(--shadow);min-width:120px}.stat-card .stat-value{font-size:32px;font-weight:700;color:var(--primary-color);margin-bottom:4px}.stat-card .stat-label{font-size:14px;color:var(--text-secondary)}.login-hint{text-align:center;padding:32px;background:var(--surface-color);border-radius:12px;margin-bottom:32px}.login-hint p{font-size:16px;color:var(--text-secondary);margin-bottom:16px}.login-btn{padding:10px 24px;background-color:var(--primary-color);color:#fff;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:background-color .2s}.login-btn:hover{background-color:#1557b0}.category-section{margin-bottom:40px}.category-title{font-size:22px;font-weight:700;color:var(--text-primary);margin-bottom:20px;padding-bottom:12px;border-bottom:2px solid var(--border-color)}.achievements-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}.achievement-card{position:relative;display:flex;align-items:flex-start;gap:16px;padding:20px;border-radius:12px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}.achievement-card:hover{transform:translateY(-2px);box-shadow:0 4px 16px #0000001f}.achievement-card.unlocked{background:var(--surface-color);border:1px solid rgba(74,158,255,.3)}.achievement-card.locked{background:var(--surface-color);opacity:.55;filter:grayscale(.6)}.achievement-icon{font-size:40px;flex-shrink:0;width:56px;height:56px;display:flex;align-items:center;justify-content:center}.achievement-info{flex:1}.achievement-info h3{font-size:16px;font-weight:700;color:var(--text-primary);margin-bottom:6px}.achievement-info p{font-size:14px;color:var(--text-secondary);line-height:1.5;margin-bottom:8px}.achievement-meta{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.points{font-size:13px;font-weight:600;color:var(--primary-color);background:#1a73e81a;padding:2px 8px;border-radius:10px}.unlocked-date{font-size:12px;color:var(--text-secondary)}.locked-label{font-size:12px;color:#999}.unlocked-badge{position:absolute;top:12px;right:12px;width:24px;height:24px;background-color:#4caf50;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700}.empty-state{text-align:center;padding:60px;color:var(--text-secondary);font-size:16px}@media (max-width: 768px){.achievements-page{padding:24px 0}.page-header h1{font-size:28px}.achievements-grid{grid-template-columns:1fr}.stats-bar{gap:12px}.stat-card{padding:16px 20px;min-width:100px}}.sort-bar{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:16px}.sort-group,.time-group{display:flex;gap:4px;background:var(--bg-secondary, #1a1a2e);border-radius:8px;padding:4px}.sort-btn,.time-btn{padding:6px 14px;border:none;background:transparent;color:var(--text-secondary, #aaa);border-radius:6px;cursor:pointer;font-size:14px;transition:all .2s}.sort-btn:hover,.time-btn:hover{background:var(--bg-hover, rgba(255,255,255,.08));color:var(--text-primary, #fff)}.sort-btn.active,.time-btn.active{background:var(--accent, #00d4ff);color:#000;font-weight:600}.tag-filter{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}.tag-filter-btn{padding:4px 12px;border:1px solid var(--border-color, rgba(255,255,255,.15));background:transparent;color:var(--text-secondary, #aaa);border-radius:20px;cursor:pointer;font-size:13px;transition:all .2s}.tag-filter-btn:hover{border-color:var(--accent, #00d4ff);color:var(--accent, #00d4ff)}.tag-filter-btn.active{background:var(--accent, #00d4ff);border-color:var(--accent, #00d4ff);color:#000;font-weight:600}.community-page{min-height:calc(100vh - 60px);padding:40px 0;background-color:var(--background-color)}.community-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:32px;flex-wrap:wrap;gap:16px}.community-header h1{font-size:36px;font-weight:700;color:var(--text-primary);margin-bottom:8px}.subtitle{font-size:16px;color:var(--text-secondary)}.create-btn{padding:12px 24px;background-color:var(--primary-color);color:#fff;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:background-color .2s;white-space:nowrap}.create-btn:hover{background-color:#1557b0}.filter-bar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:32px}.filter-btn{padding:8px 16px;border-radius:20px;border:1px solid var(--border-color);background:var(--surface-color);color:var(--text-secondary);font-size:14px;cursor:pointer;transition:all .2s}.filter-btn:hover,.filter-btn.active{background-color:var(--primary-color);color:#fff;border-color:var(--primary-color)}.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;margin-bottom:32px}.project-card{background:var(--surface-color);border-radius:12px;padding:20px;box-shadow:var(--shadow);cursor:pointer;transition:transform .2s,box-shadow .2s;position:relative;overflow:hidden}.project-card:hover{transform:translateY(-3px);box-shadow:0 6px 20px #0000001f}.project-category-badge{display:inline-block;padding:3px 10px;background:#1a73e81a;color:var(--primary-color);border-radius:10px;font-size:12px;font-weight:600;margin-bottom:12px}.project-title{font-size:18px;font-weight:700;color:var(--text-primary);margin-bottom:8px;line-height:1.4}.project-description{font-size:14px;color:var(--text-secondary);line-height:1.6;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.project-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}.project-footer{display:flex;align-items:center;justify-content:space-between;margin-bottom:4px}.author{font-size:13px;color:var(--text-secondary);font-weight:500}.project-stats{display:flex;gap:10px;font-size:13px;color:var(--text-secondary)}.project-date{font-size:12px;color:#999}.pagination{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:32px}.page-btn{padding:8px 20px;background:var(--surface-color);border:1px solid var(--border-color);border-radius:6px;font-size:14px;cursor:pointer;transition:all .2s;color:var(--text-primary)}.page-btn:hover:not(:disabled){background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.page-btn:disabled{opacity:.4;cursor:not-allowed}.page-info{font-size:14px;color:var(--text-secondary)}.empty-state{text-align:center;padding:80px 0;color:var(--text-secondary)}.empty-state p{font-size:18px;margin-bottom:24px}.loading{text-align:center;padding:60px;font-size:16px;color:var(--text-secondary)}.error{text-align:center;padding:48px}.error p{color:#d32f2f;font-size:16px;margin-bottom:16px}.header-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.search-form{display:flex;gap:6px}.search-input{padding:8px 14px;background:var(--surface-color);border:1px solid var(--border-color);border-radius:6px;color:var(--text-primary);font-size:14px;width:180px}.search-btn{padding:8px 14px;background:var(--primary-color);color:#fff;border:none;border-radius:6px;cursor:pointer;font-size:14px}.search-info{display:flex;align-items:center;gap:12px;margin-bottom:12px;font-size:14px;color:var(--text-secondary)}.clear-search{background:none;border:none;color:var(--primary-color);cursor:pointer;font-size:13px;text-decoration:underline}.project-card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.project-card-top .project-category-badge{margin-bottom:0}.featured-badge{font-size:11px;font-weight:700;color:#f59e0b;background:#f59e0b1a;padding:2px 8px;border-radius:10px;border:1px solid rgba(245,158,11,.3)}@media (max-width: 768px){.community-page{padding:24px 0}.community-header h1{font-size:28px}.projects-grid{grid-template-columns:1fr}}.rich-renderer{font-size:15px;line-height:1.7;color:var(--text-primary, #e0e0e0);word-break:break-word}.rich-renderer p{margin:.6em 0}.rich-renderer h1,.rich-renderer h2,.rich-renderer h3{margin:1em 0 .4em;font-weight:700}.rich-renderer pre{background:var(--code-bg, rgba(0,0,0,.35));border-radius:6px;padding:12px;overflow-x:auto;margin:10px 0}.rich-renderer code{font-family:Consolas,Monaco,monospace;font-size:14px}.rich-renderer blockquote{border-left:3px solid var(--accent, #00d4ff);margin:10px 0;padding:8px 16px;color:var(--text-secondary, #aaa);font-style:italic}.rich-renderer img{max-width:100%;border-radius:6px;margin:8px 0}.rich-renderer ul,.rich-renderer ol{padding-left:1.5em;margin:.6em 0}.rich-renderer a{color:var(--accent, #00d4ff);text-decoration:none}.rich-renderer a:hover{text-decoration:underline}.rich-renderer-pre{white-space:pre-wrap;background:var(--code-bg, rgba(0,0,0,.2));border-radius:6px;padding:12px;font-size:14px}.rich-renderer iframe{max-width:100%}.rich-renderer>div{margin:8px 0}.comment-thread{margin-top:32px}.comment-thread-title{font-size:18px;font-weight:600;margin-bottom:16px;color:var(--text-primary, #e0e0e0)}.comment-form{display:flex;flex-direction:column;gap:8px;margin-bottom:24px}.comment-input,.reply-input{width:100%;padding:10px 14px;background:var(--bg-input, rgba(255,255,255,.05));border:1px solid var(--border-color, rgba(255,255,255,.15));border-radius:8px;color:var(--text-primary, #e0e0e0);font-size:14px;resize:vertical;box-sizing:border-box;font-family:inherit}.comment-input:focus,.reply-input:focus{outline:none;border-color:var(--accent, #00d4ff)}.submit-comment-btn{align-self:flex-end;padding:8px 20px;background:var(--accent, #00d4ff);color:#000;border:none;border-radius:6px;cursor:pointer;font-size:14px;font-weight:600;transition:opacity .2s}.submit-comment-btn:disabled{opacity:.5;cursor:not-allowed}.submit-comment-btn:hover:not(:disabled){opacity:.85}.login-to-comment{margin-bottom:24px}.login-btn{padding:10px 24px;background:transparent;border:1px solid var(--accent, #00d4ff);color:var(--accent, #00d4ff);border-radius:6px;cursor:pointer;font-size:14px;transition:all .2s}.login-btn:hover{background:var(--accent, #00d4ff);color:#000}.comments-list{display:flex;flex-direction:column;gap:0}.no-comments{color:var(--text-secondary, #888);text-align:center;padding:32px}.comment-item{padding:14px 0;border-bottom:1px solid var(--border-color, rgba(255,255,255,.06))}.comment-item.depth-1{margin-left:24px;padding-left:16px;border-left:2px solid var(--border-color, rgba(255,255,255,.1))}.comment-item.depth-2{margin-left:24px;padding-left:16px;border-left:2px solid var(--accent-dim, rgba(0,212,255,.3))}.comment-header{display:flex;align-items:center;gap:12px;margin-bottom:6px}.comment-author{font-weight:600;font-size:14px;color:var(--accent, #00d4ff)}.comment-date{font-size:12px;color:var(--text-muted, #666)}.comment-content{font-size:14px;line-height:1.6;color:var(--text-primary, #ddd);margin:0 0 8px;white-space:pre-wrap;word-break:break-word}.comment-actions{display:flex;gap:12px;align-items:center}.comment-like-btn,.comment-reply-btn,.comment-expand-btn{background:none;border:none;cursor:pointer;font-size:13px;color:var(--text-secondary, #888);padding:2px 6px;border-radius:4px;transition:all .15s}.comment-like-btn:hover,.comment-reply-btn:hover,.comment-expand-btn:hover{color:var(--text-primary, #ddd);background:var(--bg-hover, rgba(255,255,255,.06))}.comment-like-btn.liked{color:#ff6b9d}.comment-replies{margin-top:8px}.reply-form{margin-top:10px;display:flex;flex-direction:column;gap:8px}.reply-actions{display:flex;gap:8px;justify-content:flex-end}.reply-cancel-btn{padding:6px 14px;background:transparent;border:1px solid var(--border-color, rgba(255,255,255,.2));color:var(--text-secondary, #888);border-radius:5px;cursor:pointer;font-size:13px}.reply-submit-btn{padding:6px 14px;background:var(--accent, #00d4ff);color:#000;border:none;border-radius:5px;cursor:pointer;font-size:13px;font-weight:600}.reply-submit-btn:disabled{opacity:.5;cursor:not-allowed}.project-detail-page{min-height:calc(100vh - 60px);padding:40px 0;background-color:var(--background-color)}.project-detail-card{background:var(--surface-color);border-radius:16px;padding:32px;box-shadow:var(--shadow);margin-bottom:32px}.project-detail-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:16px;gap:16px}.category-badge{display:inline-block;padding:4px 12px;background:#1a73e81a;color:var(--primary-color);border-radius:12px;font-size:13px;font-weight:600;margin-bottom:12px}.project-detail-header h1{font-size:28px;font-weight:700;color:var(--text-primary);margin-bottom:12px;line-height:1.3}.author-row{display:flex;gap:16px;align-items:center}.author{font-size:14px;font-weight:600;color:var(--primary-color)}.date{font-size:13px;color:var(--text-secondary)}.owner-actions{display:flex;gap:8px;flex-shrink:0}.delete-btn{padding:8px 16px;background-color:#f44336;color:#fff;border-radius:6px;font-size:14px;cursor:pointer;transition:background-color .2s}.delete-btn:hover{background-color:#c62828}.project-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}.tag{font-size:13px;color:var(--text-secondary);background:var(--background-color);padding:4px 10px;border-radius:10px}.project-description-full{font-size:16px;line-height:1.8;color:var(--text-primary);margin-bottom:24px}.project-content-section{margin-bottom:24px;padding-top:24px;border-top:1px solid var(--border-color)}.project-content-section h2{font-size:18px;font-weight:600;margin-bottom:16px;color:var(--text-primary)}.content-pre{background:var(--background-color);border-radius:8px;padding:16px;font-size:13px;overflow-x:auto;color:var(--text-secondary);font-family:monospace;line-height:1.6}.action-bar{display:flex;align-items:center;gap:20px;padding-top:24px;border-top:1px solid var(--border-color)}.like-btn{padding:10px 20px;border-radius:20px;border:1px solid var(--border-color);background:var(--surface-color);font-size:16px;cursor:pointer;transition:all .2s;color:var(--text-primary)}.like-btn:hover{background:#1a73e814;border-color:var(--primary-color)}.like-btn.liked{background:#f4433614;border-color:#f44336}.views{font-size:14px;color:var(--text-secondary)}.comments-section{background:var(--surface-color);border-radius:16px;padding:32px;box-shadow:var(--shadow)}.comments-section h2{font-size:22px;font-weight:700;color:var(--text-primary);margin-bottom:24px}.comment-form{margin-bottom:32px}.comment-input{width:100%;padding:12px 16px;border:1px solid var(--border-color);border-radius:8px;font-size:14px;resize:vertical;margin-bottom:12px;background:var(--background-color);color:var(--text-primary);font-family:inherit}.comment-input:focus{outline:none;border-color:var(--primary-color)}.submit-comment-btn{padding:10px 24px;background-color:var(--primary-color);color:#fff;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:background-color .2s}.submit-comment-btn:hover:not(:disabled){background-color:#1557b0}.submit-comment-btn:disabled{opacity:.6;cursor:not-allowed}.login-to-comment{margin-bottom:32px;text-align:center}.login-btn{padding:10px 24px;background-color:var(--primary-color);color:#fff;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer}.comments-list{display:flex;flex-direction:column;gap:16px}.comment-item{padding:16px;background:var(--background-color);border-radius:8px}.comment-header{display:flex;align-items:center;gap:12px;margin-bottom:8px}.comment-author{font-size:14px;font-weight:600;color:var(--primary-color)}.comment-date{font-size:12px;color:var(--text-secondary)}.comment-content{font-size:14px;line-height:1.6;color:var(--text-primary)}.no-comments{text-align:center;padding:32px;color:var(--text-secondary);font-size:15px}.loading,.error{text-align:center;padding:48px;font-size:16px;color:var(--text-secondary)}.error p{color:#d32f2f;margin-bottom:16px}.retry-btn{padding:10px 20px;background-color:var(--primary-color);color:#fff;border-radius:6px;font-size:14px;cursor:pointer}.project-meta{flex:1}.meta-badges{display:flex;align-items:center;gap:8px;margin-bottom:12px}.featured-badge-lg{font-size:13px;font-weight:700;color:#f59e0b;background:#f59e0b1f;padding:3px 10px;border-radius:10px;border:1px solid rgba(245,158,11,.3)}.header-right-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}.author-link{font-size:14px;font-weight:600;color:var(--primary-color);background:none;border:none;cursor:pointer;padding:0;text-decoration:none}.author-link:hover{text-decoration:underline}.more-menu-wrapper{position:relative}.more-btn{padding:6px 12px;background:var(--surface-color);border:1px solid var(--border-color);border-radius:6px;cursor:pointer;font-size:16px;color:var(--text-secondary);letter-spacing:2px}.more-menu{position:absolute;right:0;top:100%;margin-top:4px;background:var(--surface-color);border:1px solid var(--border-color);border-radius:8px;padding:6px;min-width:140px;z-index:100;box-shadow:0 4px 16px #0003}.menu-item{display:block;width:100%;text-align:left;padding:8px 12px;border:none;background:transparent;color:var(--text-primary);font-size:14px;cursor:pointer;border-radius:5px;transition:background .15s}.menu-item:hover{background:var(--background-color)}.menu-item.report-item{color:#e53935}.favorite-btn{padding:10px 20px;border-radius:20px;border:1px solid var(--border-color);background:var(--surface-color);font-size:16px;cursor:pointer;transition:all .2s;color:var(--text-primary)}.favorite-btn:hover{background:#f59e0b14;border-color:#f59e0b}.favorite-btn.favorited{background:#f59e0b1a;border-color:#f59e0b;color:#f59e0b}.share-btn{padding:10px 20px;border-radius:20px;border:1px solid var(--border-color);background:var(--surface-color);font-size:14px;cursor:pointer;transition:all .2s;color:var(--text-primary)}.share-btn:hover{background:var(--background-color)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000}.modal-content{background:var(--surface-color);border-radius:12px;padding:28px;width:100%;max-width:420px;box-shadow:0 8px 32px #0000004d}.modal-content h2{font-size:20px;font-weight:700;margin-bottom:20px;color:var(--text-primary)}.modal-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:16px}.cancel-btn{padding:8px 18px;background:transparent;border:1px solid var(--border-color);color:var(--text-secondary);border-radius:6px;cursor:pointer;font-size:14px}.submit-btn{padding:8px 18px;background:var(--primary-color);color:#fff;border:none;border-radius:6px;cursor:pointer;font-size:14px;font-weight:600}.submit-btn:disabled{opacity:.5;cursor:not-allowed}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:14px;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.form-input{width:100%;padding:8px 12px;border:1px solid var(--border-color);border-radius:6px;background:var(--background-color);color:var(--text-primary);font-size:14px;box-sizing:border-box;font-family:inherit}@media (max-width: 768px){.project-detail-page{padding:24px 0}.project-detail-header{flex-direction:column}.project-detail-card{padding:20px}}.rich-editor{border:1px solid var(--border-color, rgba(255,255,255,.15));border-radius:8px;overflow:hidden;background:var(--bg-input, rgba(255,255,255,.04))}.rich-toolbar{display:flex;align-items:center;gap:2px;padding:6px 8px;border-bottom:1px solid var(--border-color, rgba(255,255,255,.1));background:var(--bg-secondary, rgba(255,255,255,.03));flex-wrap:wrap}.tb-btn{padding:4px 8px;border:none;background:transparent;color:var(--text-secondary, #aaa);border-radius:4px;cursor:pointer;font-size:13px;transition:all .15s}.tb-btn:hover{background:var(--bg-hover, rgba(255,255,255,.1));color:var(--text-primary, #fff)}.tb-divider{width:1px;height:18px;background:var(--border-color, rgba(255,255,255,.15));margin:0 4px}.rich-content{min-height:200px;padding:12px 16px;outline:none;color:var(--text-primary, #e0e0e0);font-size:15px;line-height:1.7}.rich-content:empty:before{content:attr(data-placeholder);color:var(--text-muted, #666)}.rich-content pre{background:var(--code-bg, rgba(0,0,0,.3));border-radius:6px;padding:12px;overflow-x:auto;margin:8px 0}.rich-content code{font-family:Consolas,Monaco,monospace;font-size:14px}.rich-content blockquote{border-left:3px solid var(--accent, #00d4ff);margin:8px 0;padding:8px 16px;color:var(--text-secondary, #aaa);font-style:italic}.rich-content img{max-width:100%;border-radius:6px;margin:8px 0}.create-project-page{min-height:calc(100vh - 60px);padding:40px 0;background-color:var(--background-color)}.back-btn{padding:8px 16px;background-color:var(--surface-color);color:var(--text-primary);border-radius:6px;font-size:14px;font-weight:500;margin-bottom:24px;transition:background-color .2s;cursor:pointer}.back-btn:hover{background-color:#e8eaed}.form-card{background:var(--surface-color);border-radius:16px;padding:40px;box-shadow:var(--shadow);max-width:720px;margin:0 auto}.form-card h1{font-size:28px;font-weight:700;color:var(--text-primary);margin-bottom:8px}.form-subtitle{font-size:15px;color:var(--text-secondary);margin-bottom:32px}.form-error{padding:12px 16px;background:#ffebee;color:#c62828;border-radius:8px;font-size:14px;margin-bottom:24px}.create-form{display:flex;flex-direction:column;gap:24px}.form-group{display:flex;flex-direction:column;gap:8px;position:relative}.form-group label{font-size:14px;font-weight:600;color:var(--text-primary)}.form-input{padding:12px 16px;border:1px solid var(--border-color);border-radius:8px;font-size:15px;background:var(--background-color);color:var(--text-primary);font-family:inherit;transition:border-color .2s;width:100%;box-sizing:border-box}.form-input:focus{outline:none;border-color:var(--primary-color)}.form-textarea{resize:vertical;min-height:140px;line-height:1.6}.char-count{font-size:12px;color:var(--text-secondary);text-align:right}.field-hint{font-size:12px;color:var(--text-secondary)}.form-checkbox{flex-direction:row;align-items:center}.form-checkbox label{display:flex;align-items:center;gap:10px;cursor:pointer;font-weight:400}.form-checkbox input[type=checkbox]{width:18px;height:18px;cursor:pointer}.form-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:8px}.cancel-btn{padding:12px 28px;background:var(--surface-color);border:1px solid var(--border-color);border-radius:8px;font-size:15px;color:var(--text-primary);cursor:pointer;transition:all .2s}.cancel-btn:hover{background:var(--background-color)}.submit-btn{padding:12px 32px;background-color:var(--primary-color);color:#fff;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;transition:background-color .2s}.submit-btn:hover:not(:disabled){background-color:#1557b0}.submit-btn:disabled{opacity:.6;cursor:not-allowed}@media (max-width: 768px){.create-project-page{padding:24px 0}.form-card{padding:24px}.form-card h1{font-size:22px}.form-actions{flex-direction:column-reverse}.cancel-btn,.submit-btn{width:100%}}.notifications-page{min-height:calc(100vh - 60px);padding:40px 0;background:var(--background-color)}.notif-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;flex-wrap:wrap;gap:12px}.notif-header h1{font-size:28px;font-weight:700;color:var(--text-primary)}.notif-actions{display:flex;align-items:center;gap:16px}.toggle-label{display:flex;align-items:center;gap:6px;font-size:14px;color:var(--text-secondary);cursor:pointer}.mark-all-btn{padding:6px 16px;background:var(--primary-color);color:#fff;border:none;border-radius:6px;font-size:13px;cursor:pointer}.unread-tip{font-size:13px;color:var(--text-secondary);margin-bottom:16px}.notif-list{display:flex;flex-direction:column;gap:0}.notif-item{display:flex;align-items:flex-start;gap:14px;padding:16px;border-bottom:1px solid var(--border-color);cursor:pointer;transition:background .15s;position:relative}.notif-item:hover{background:var(--surface-color)}.notif-item.unread{background:#1a73e80a}.notif-icon{font-size:22px;flex-shrink:0;margin-top:2px}.notif-body{flex:1;min-width:0}.notif-title{font-size:15px;font-weight:600;color:var(--text-primary);margin-bottom:4px}.notif-content{font-size:13px;color:var(--text-secondary);margin-bottom:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.notif-date{font-size:12px;color:var(--text-muted, #888)}.unread-dot{width:8px;height:8px;background:var(--primary-color);border-radius:50%;flex-shrink:0;margin-top:8px}.loading,.empty{text-align:center;padding:48px;color:var(--text-secondary);font-size:16px}.ucp-page{min-height:calc(100vh - 60px);padding:40px 0;background:var(--background-color)}.ucp-profile-card{display:flex;align-items:center;gap:24px;background:var(--surface-color);border-radius:16px;padding:28px;box-shadow:var(--shadow);margin-bottom:20px}.ucp-avatar{width:72px;height:72px;border-radius:50%;background:linear-gradient(135deg,#1a73e8,#00d4ff);display:flex;align-items:center;justify-content:center;font-size:32px;font-weight:700;color:#fff;flex-shrink:0}.ucp-info{flex:1}.ucp-username{font-size:24px;font-weight:700;color:var(--text-primary);margin-bottom:4px}.ucp-level{font-size:15px;font-weight:600;margin-bottom:4px}.ucp-points{font-size:13px;color:var(--text-secondary);margin-bottom:10px}.ucp-progress{display:flex;align-items:center;gap:10px}.progress-bar{flex:1;max-width:200px;height:6px;background:var(--border-color);border-radius:3px;overflow:hidden}.progress-fill{height:100%;border-radius:3px;transition:width .5s ease}.progress-label{font-size:12px;color:var(--text-secondary);white-space:nowrap}.ucp-stats-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:20px}.stat-card{background:var(--surface-color);border-radius:10px;padding:16px 8px;text-align:center;box-shadow:var(--shadow)}.stat-value{font-size:24px;font-weight:700;color:var(--text-primary);margin-bottom:4px}.stat-label{font-size:12px;color:var(--text-secondary)}.ucp-badges{background:var(--surface-color);border-radius:12px;padding:20px;margin-bottom:20px;box-shadow:var(--shadow)}.ucp-badges h2{font-size:16px;font-weight:600;color:var(--text-primary);margin-bottom:12px}.badges-list{display:flex;flex-wrap:wrap;gap:8px}.badge-chip{padding:4px 12px;background:#f59e0b1f;color:#f59e0b;border-radius:20px;font-size:13px;font-weight:600;border:1px solid rgba(245,158,11,.3)}.ucp-projects h2{font-size:20px;font-weight:700;color:var(--text-primary);margin-bottom:16px}.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.project-card{background:var(--surface-color);border-radius:12px;padding:18px;cursor:pointer;transition:transform .2s,box-shadow .2s;box-shadow:var(--shadow)}.project-card:hover{transform:translateY(-2px);box-shadow:0 4px 16px #0000001a}.project-card.featured{border:1px solid rgba(245,158,11,.3)}.project-card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.project-category-badge{font-size:12px;color:var(--primary-color);background:#1a73e81a;padding:2px 8px;border-radius:8px;font-weight:600}.project-title{font-size:16px;font-weight:700;color:var(--text-primary);margin-bottom:6px}.project-description{font-size:13px;color:var(--text-secondary);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:10px}.project-footer{display:flex;align-items:center;justify-content:space-between}.project-stats{display:flex;gap:10px;font-size:12px;color:var(--text-secondary)}.project-date{font-size:12px;color:var(--text-secondary)}.no-projects{text-align:center;padding:32px;color:var(--text-secondary)}.loading,.error{text-align:center;padding:48px;color:var(--text-secondary);font-size:16px}@media (max-width: 768px){.ucp-stats-grid{grid-template-columns:repeat(3,1fr)}.projects-grid{grid-template-columns:1fr}.ucp-profile-card{flex-direction:column;align-items:flex-start}}.search-page{min-height:calc(100vh - 60px);padding:40px 0;background:var(--background-color)}.search-title{font-size:28px;font-weight:700;color:var(--text-primary);margin-bottom:20px}.search-form{display:flex;gap:10px;margin-bottom:20px}.search-input{flex:1;padding:12px 16px;border:1px solid var(--border-color);border-radius:8px;background:var(--surface-color);color:var(--text-primary);font-size:16px}.search-input:focus{outline:none;border-color:var(--primary-color)}.search-btn{padding:12px 24px;background:var(--primary-color);color:#fff;border:none;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer}.result-count{font-size:14px;color:var(--text-secondary);margin-bottom:16px}.search-results{display:flex;flex-direction:column;gap:16px}.result-item{background:var(--surface-color);border-radius:12px;padding:20px;cursor:pointer;transition:box-shadow .2s,transform .2s;box-shadow:var(--shadow)}.result-item:hover{transform:translateY(-2px);box-shadow:0 4px 16px #0000001f}.result-header{display:flex;align-items:center;gap:8px;margin-bottom:8px}.result-category{font-size:12px;color:var(--primary-color);background:#1a73e81a;padding:2px 8px;border-radius:8px;font-weight:600}.featured-badge{font-size:11px;color:#f59e0b;background:#f59e0b1a;padding:2px 8px;border-radius:8px;border:1px solid rgba(245,158,11,.3);font-weight:700}.result-title{font-size:18px;font-weight:700;color:var(--text-primary);margin-bottom:8px}.result-title mark,.result-description mark{background:#1a73e833;color:var(--primary-color);border-radius:2px;padding:0 2px}.result-description{font-size:14px;color:var(--text-secondary);line-height:1.6;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.result-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}.tag{font-size:12px;color:var(--text-secondary);background:var(--background-color);padding:2px 8px;border-radius:8px}.result-footer{display:flex;align-items:center;gap:16px;font-size:13px;color:var(--text-secondary)}.stats{display:flex;gap:12px;margin-left:auto}.no-results{text-align:center;padding:48px;color:var(--text-secondary);font-size:16px}.loading{text-align:center;padding:48px;color:var(--text-secondary)}.back-btn{padding:8px 16px;background:var(--surface-color);color:var(--text-primary);border:none;border-radius:6px;cursor:pointer;font-size:14px;margin-bottom:24px;transition:background .2s}.back-btn:hover{background:var(--background-color)}.app{display:flex;flex-direction:column;min-height:100vh}.container{max-width:1200px;margin:0 auto;padding:0 20px;width:100%}.page{flex:1;padding:20px 0}@media (max-width: 768px){.container{padding:0 16px}.page{padding:16px 0}}.loading{display:flex;justify-content:center;align-items:center;min-height:200px;font-size:16px;color:var(--text-secondary)}.error{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:200px;padding:40px;text-align:center}.error p{color:#d32f2f;font-size:16px;margin-bottom:20px}.retry-btn{padding:10px 24px;background-color:var(--primary-color);color:#fff;border-radius:6px;font-size:14px;font-weight:500;transition:background-color .2s}.retry-btn:hover{background-color:#1557b0}.empty-state{display:flex;justify-content:center;align-items:center;min-height:300px;color:var(--text-secondary);font-size:16px}.tag{display:inline-block;padding:4px 12px;background-color:var(--surface-color);color:var(--text-secondary);border-radius:12px;font-size:12px;font-weight:500;margin-right:8px;margin-bottom:8px}.rocket-tags,.path-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.tags-section{margin:20px 0}.tags-section .tag{background-color:var(--primary-color);color:#fff}.parts-section,.animations-section{margin-top:32px}.parts-section h3,.animations-section h3{font-size:18px;font-weight:600;margin-bottom:16px}.parts-list{display:flex;flex-direction:column;gap:16px}.part-item{padding:16px;background-color:var(--surface-color);border-radius:8px}.part-item h4{font-size:16px;font-weight:600;margin-bottom:8px}.part-item p{font-size:14px;color:var(--text-secondary);margin-bottom:8px;line-height:1.5}.part-category{display:inline-block;padding:4px 8px;background-color:var(--primary-color);color:#fff;border-radius:4px;font-size:12px}.animations-list{display:flex;flex-direction:column;gap:12px}.animation-item{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background-color:var(--surface-color);border-radius:8px}.animation-item .duration{color:var(--text-secondary);font-size:14px}.model-versions{display:flex;flex-direction:column;gap:8px}.version-link{padding:8px 12px;background-color:var(--surface-color);color:var(--text-primary);border-radius:6px;font-size:14px;text-decoration:none;transition:background-color .2s}.version-link:hover{background-color:#e8eaed;text-decoration:none}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #1a73e8;--secondary-color: #34a853;--background-color: #ffffff;--surface-color: #f8f9fa;--text-primary: #202124;--text-secondary: #5f6368;--border-color: #dadce0;--shadow: 0 1px 3px rgba(0, 0, 0, .12), 0 1px 2px rgba(0, 0, 0, .24)}[data-theme=dark]{--primary-color: #4a9eff;--secondary-color: #5cb85c;--background-color: #1a1a1a;--surface-color: #2d2d2d;--text-primary: #e8eaed;--text-secondary: #9aa0a6;--border-color: #3c4043;--shadow: 0 1px 3px rgba(0, 0, 0, .3), 0 1px 2px rgba(0, 0, 0, .4)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--background-color);color:var(--text-primary);line-height:1.6;transition:background-color .3s ease,color .3s ease}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}#root{min-height:100vh}a{color:var(--primary-color);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;border:none;outline:none;font-family:inherit}input,textarea,select{font-family:inherit;font-size:inherit}