:root{--bg:#F2F2F2;--card:#fff;--text:#1A1A1A;--muted:#777;--border:#E3E3E3;--accent:#F5C400;--danger:#D64545;--success:#2E9E5B;--warning:#E58A1F}@media (prefers-color-scheme:dark){:root{--bg:#111;--card:#222;--text:#F5F5F5;--muted:#A7A7A7;--border:#333}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 -apple-system,Inter,Segoe UI,Roboto,sans-serif}a{color:inherit}.layout{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.nav{background:#111;color:#fff;padding:20px 14px;position:-webkit-sticky;position:sticky;top:0;height:100vh}.nav .brand{background:var(--accent);color:#111;font-weight:800;font-size:12px;letter-spacing:.5px;padding:4px 8px;border-radius:6px;display:inline-block;margin-bottom:18px}.nav a{display:block;padding:8px 10px;border-radius:8px;color:#ddd;text-decoration:none;font-weight:600}.nav a.active,.nav a:hover{background:#222;color:#fff}.nav .section{color:#777;font-size:11px;text-transform:uppercase;letter-spacing:.5px;margin:16px 10px 6px}main{padding:28px;max-width:1200px}h1{font-size:24px;margin:0 0 16px}h2{font-size:18px;margin:24px 0 10px}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px;margin-bottom:14px}.grid{display:grid;grid-gap:14px;gap:14px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:8px 6px;border-bottom:1px solid var(--border);vertical-align:top;font-size:14px}th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.4px}.btn{display:inline-block;background:var(--accent);color:#111;border:0;border-radius:10px;padding:9px 14px;font-weight:700;cursor:pointer;text-decoration:none;font-size:14px}.btn.secondary{background:var(--card);border:1px solid var(--border);color:var(--text)}.btn.danger{background:var(--danger);color:#fff}.btn.small{padding:5px 10px;font-size:13px}input,select,textarea{width:100%;padding:9px 10px;border:1px solid var(--border);border-radius:10px;background:var(--card);color:var(--text);font:inherit}textarea{min-height:120px;font-family:ui-monospace,Menlo,monospace;font-size:13px}label{display:block;font-size:12px;color:var(--muted);letter-spacing:.4px;margin:10px 0 4px}.badge,label{text-transform:uppercase}.badge{display:inline-block;font-size:11px;font-weight:700;padding:2px 8px;border-radius:6px;background:var(--border)}.badge.ok{background:var(--success);color:#fff}.badge.warn{background:var(--warning);color:#fff}.badge.bad{background:var(--danger);color:#fff}.badge.accent{background:var(--accent);color:#111}.muted{color:var(--muted)}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.stat{font-size:28px;font-weight:800}.flag{color:var(--danger);font-weight:600}pre{background:var(--bg);padding:10px;border-radius:8px;overflow:auto;font-size:12px}