:root{--bg: #f3f5f8;--surface: #ffffff;--surface-2: #f8fafc;--border: #e3e8ef;--text: #1c2533;--muted: #64748b;--primary: #1d5fd1;--primary-soft: #e7efff;--ok: #15803d;--ok-soft: #dcfce7;--warn: #b45309;--warn-soft: #fef3c7;--high: #c2410c;--high-soft: #ffedd5;--danger: #b91c1c;--danger-soft: #fee2e2;--violet: #6d28d9;--violet-soft: #ede9fe;--sidebar: #0f1b2d;--radius: 10px;--shadow: 0 1px 2px rgba(15, 27, 45, .06), 0 4px 14px rgba(15, 27, 45, .05);font-family:Segoe UI,system-ui,-apple-system,Roboto,sans-serif;color:var(--text);font-size:14px;line-height:1.5}*{box-sizing:border-box}body{margin:0;background:var(--bg)}h1,h2,h3,h4{margin:0;line-height:1.25}h1{font-size:22px}h2{font-size:17px}h3{font-size:15px}code,.mono{font-family:Cascadia Code,Consolas,monospace;font-size:12.5px}a{color:var(--primary)}.app{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:var(--sidebar);color:#cbd5e1;display:flex;flex-direction:column;padding:18px 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