:root{--bg:#f6f7f9;--surface:#ffffff;--surface-2:#f9fafb;--border:#e5e7eb;--border-strong:#d1d5db;--text:#0f172a;--muted:#64748b;--faint:#94a3b8;--primary:#4f46e5;--primary-hover:#4338ca;--primary-soft:#eef2ff;--green:#16a34a;--green-soft:#dcfce7;--red:#dc2626;--red-soft:#fee2e2;--amber-soft:#fef9c3;--blue-soft:#dbeafe;--radius:12px;--radius-sm:8px;--shadow:0 1px 2px rgba(15,23,42,0.04),0 1px 3px rgba(15,23,42,0.06)}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.55;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}h1{font-size:22px;font-weight:650}h1,h2{margin:0}h2{font-size:16px;font-weight:600}.container{max-width:920px;margin:0 auto;padding:0 20px}.appbar{background:var(--surface);border-bottom:1px solid var(--border)}.appbar-inner{max-width:920px;margin:0 auto;padding:12px 20px;justify-content:space-between}.appbar-inner,.brand{display:flex;align-items:center}.brand{gap:9px;font-weight:650;font-size:16px;color:var(--text)}.brand:hover{text-decoration:none}.brand-dot{width:18px;height:18px;border-radius:6px;background:linear-gradient(135deg,var(--primary),#818cf8)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.card-pad{padding:18px 20px}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--surface);color:var(--text);font-size:14px;font-weight:500;cursor:pointer;transition:background .12s,border-color .12s}.btn:hover{background:var(--surface-2);text-decoration:none}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-sm{padding:5px 10px;font-size:13px}.btn-danger{color:var(--red);border-color:var(--border-strong)}.btn-danger:hover{background:var(--red-soft)}.btn-ghost{border-color:transparent;background:transparent}.input,.select{padding:9px 11px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);font-size:14px;background:var(--surface);color:var(--text);outline:none;transition:border-color .12s,box-shadow .12s}.input:focus,.select:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}.label{font-size:13px;font-weight:500;color:var(--muted)}.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:600}.badge-green{background:var(--green-soft);color:#166534}.badge-red{background:var(--red-soft);color:#991b1b}.badge-blue{background:var(--blue-soft);color:#1e40af}.badge-gray{background:#eef1f4;color:#475569}.muted{color:var(--muted)}.faint{color:var(--faint)}.small{font-size:13px}.row{display:flex;align-items:center;gap:10px}.codeblock{display:block;background:#0f172a;color:#e2e8f0;border-radius:var(--radius-sm);padding:10px 12px;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:12.5px;overflow-x:auto;white-space:pre}.divider{height:1px;background:var(--border);border:0;margin:16px 0}