.lab-loading[data-v-4cfd796d]{padding:60px;text-align:center;color:var(--color-text-muted)}*,*:before,*:after{box-sizing:border-box}:root{--color-bg: #f8f9fa;--color-surface: #fff;--color-border: #e2e8f0;--color-text: #1a202c;--color-text-muted: #718096;--color-primary: #4f46e5;--color-primary-hover: #4338ca;--color-success: #10b981;--color-warn: #f59e0b;--color-danger: #ef4444;--color-danger-bg: #fef2f2;--color-success-bg: #f0fdf4;--color-warn-bg: #fffbeb;--radius: 8px;--shadow: 0 1px 3px rgba(0, 0, 0, .08), 0 1px 2px rgba(0, 0, 0, .06)}body{background:var(--color-bg);color:var(--color-text);margin:0;line-height:1.6}.lab-layout{display:flex;min-height:100vh}.lab-sidebar{width:240px;background:var(--color-surface);border-right:1px solid var(--color-border);padding:24px 0;position:fixed;top:0;left:0;bottom:0;overflow-y:auto}.lab-main{margin-left:240px;flex:1;padding:32px;max-width:960px}.sidebar-title{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--color-text-muted);padding:0 20px 8px}.sidebar-nav{list-style:none;margin:0;padding:0}.sidebar-nav a{display:block;padding:8px 20px;color:var(--color-text);text-decoration:none;font-size:14px;border-left:3px solid transparent;transition:all .15s}.sidebar-nav a:hover{background:var(--color-bg)}.sidebar-nav a.router-link-active{color:var(--color-primary);border-left-color:var(--color-primary);background:#eef2ff;font-weight:500}.lab-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:24px;margin-bottom:20px;box-shadow:var(--shadow)}.lab-card h2{margin:0 0 4px;font-size:18px}.lab-card p{margin:0 0 16px;color:var(--color-text-muted);font-size:14px}.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}.compare-grid--triple{grid-template-columns:repeat(3,1fr)}@media (width <= 900px){.compare-grid--triple{grid-template-columns:1fr}}.compare-box{border:1px solid var(--color-border);border-radius:var(--radius);overflow:hidden}.compare-box__header{padding:10px 16px;font-size:13px;font-weight:600;display:flex;align-items:center;gap:6px}.compare-box__body{padding:16px}.compare-box--bad .compare-box__header{background:var(--color-danger-bg);color:var(--color-danger)}.compare-box--good .compare-box__header{background:var(--color-success-bg);color:var(--color-success)}.perf-badge{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:999px;font-size:13px;font-weight:600;margin-top:8px}.perf-badge--slow{background:var(--color-danger-bg);color:var(--color-danger)}.perf-badge--fast{background:var(--color-success-bg);color:var(--color-success)}.perf-badge--neutral{background:var(--color-warn-bg);color:var(--color-warn)}.code-snippet{background:#1e1e2e;color:#cdd6f4;border-radius:var(--radius);padding:16px;font-size:13px;line-height:1.7;overflow-x:auto;font-family:Fira Code,Cascadia Code,monospace;margin:12px 0;white-space:pre}.code-snippet .kw{color:#cba6f7}.code-snippet .fn{color:#89b4fa}.code-snippet .str{color:#a6e3a1}.code-snippet .cmt{color:#6c7086}.code-snippet .num{color:#fab387}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:6px;border:none;cursor:pointer;font-size:14px;font-weight:500;transition:all .15s}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-hover)}.btn-ghost{background:transparent;border:1px solid var(--color-border);color:var(--color-text)}.btn-ghost:hover{background:var(--color-bg)}.btn:disabled{opacity:.5;cursor:not-allowed}.metrics-row{display:flex;flex-wrap:wrap;gap:12px;margin:16px 0}.metric-item{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius);padding:12px 16px;min-width:120px}.metric-item__label{font-size:12px;color:var(--color-text-muted);margin-bottom:4px}.metric-item__value{font-size:22px;font-weight:700}.progress-bar{height:6px;background:var(--color-border);border-radius:3px;overflow:hidden;margin:8px 0}.progress-bar__fill{height:100%;background:var(--color-primary);border-radius:3px;transition:width .3s ease}.tip-box{border-radius:var(--radius);padding:14px 16px;font-size:14px;margin:16px 0;border-left:4px solid}.tip-box strong{display:block;margin-bottom:4px}.tip-box--info{background:#eff6ff;border-color:#3b82f6;color:#1e40af}.tip-box--warn{background:var(--color-warn-bg);border-color:var(--color-warn);color:#92400e}.tip-box--key{background:#faf5ff;border-color:#a855f7;color:#6b21a8}.home-hero{text-align:center;padding:48px 0 32px}.home-hero h1{font-size:32px;margin:0 0 8px}.home-hero p{color:var(--color-text-muted);font-size:16px}.lab-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin-top:32px}.lab-entry{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:20px;text-decoration:none;color:inherit;transition:box-shadow .15s,transform .15s;display:block}.lab-entry:hover{box-shadow:0 4px 12px #0000001a;transform:translateY(-2px)}.lab-entry__icon{font-size:28px;margin-bottom:10px}.lab-entry__title{font-weight:600;margin-bottom:4px}.lab-entry__desc{font-size:13px;color:var(--color-text-muted)}