:root{--brand:#1747c9;--brand-hover:#123aa6;--brand-soft:#e8eefc;--bg:#f4f6fa;--surface:#fff;--surface-2:#f8fafc;--text:#0f172a;--muted:#5b6b82;--border:#e2e8f0;--danger:#c62828;--danger-soft:#fdecec;--success:#15803d;--success-soft:#e7f6ec;--warn:#b45309;--warn-soft:#fdf3e2;--sidebar:#0b1633;--sidebar-text:#b7c3dc;--radius:10px;--shadow:0 1px 2px #0f172a0f, 0 4px 16px #0f172a0d;color:var(--text);background:var(--bg);font-family:Inter,Segoe UI,system-ui,-apple-system,sans-serif;font-size:14px;line-height:1.5}*{box-sizing:border-box}body{background:var(--bg);margin:0}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{margin:0;line-height:1.25}h1{font-size:22px;font-weight:650}h2{font-size:16px;font-weight:650}code,.mono{font-family:ui-monospace,Cascadia Mono,Consolas,monospace;font-size:12.5px}.page-loading{height:100vh;color:var(--muted);place-items:center;display:grid}.btn{border:1px solid 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