/* Minimal fallback styles (site still readable if Tailwind CDN is blocked).
   Tailwind is loaded via CDN for the intended design. */
:root{
  --bg:#f8fafc; --card:#ffffff; --text:#0f172a; --muted:#475569;
  --border:#e2e8f0; --brand:#1d4ed8; --brand2:#1e40af; --good:#16a34a;
  --warn:#f59e0b; --bad:#dc2626;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,"Noto Sans","Liberation Sans",sans-serif;background:var(--bg);color:var(--text)}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1024px;margin:0 auto;padding:0 16px}
.header{position:sticky;top:0;background:var(--card);border-bottom:1px solid var(--border);z-index:50}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.nav a{margin-left:14px;font-weight:600;color:var(--text);font-size:14px}
main{padding:32px 0}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:20px;box-shadow:0 8px 24px rgba(15,23,42,.06)}
.btn{display:inline-block;border:0;background:var(--brand2);color:#fff;font-weight:800;padding:14px 16px;border-radius:14px;cursor:pointer;width:100%}
.btn:hover{filter:brightness(0.95)}
.grid{display:grid;gap:14px}
select,input{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:12px;background:#fff}
.small{font-size:13px;color:var(--muted)}
.footer{border-top:1px solid var(--border);padding:22px 0;color:var(--muted);font-size:13px}
.badge{display:inline-block;padding:4px 10px;border-radius:999px;font-weight:800;font-size:11px;letter-spacing:.04em;text-transform:uppercase}
.badge.good{background:#dcfce7;color:#166534}
.badge.warn{background:#fef3c7;color:#92400e}
.badge.bad{background:#fee2e2;color:#991b1b}
.score{font-size:56px;font-weight:900;line-height:1;margin:0}
.kv{display:flex;gap:10px;flex-wrap:wrap}
.kv span{background:#eef2ff;color:#1e40af;border:1px solid #c7d2fe;border-radius:999px;padding:6px 10px;font-weight:700;font-size:12px}
.prose h1,.prose h2,.prose h3{margin-top:0}
.prose p{color:var(--muted);line-height:1.6}
.notice{background:#eff6ff;border:1px solid #bfdbfe;border-radius:14px;padding:14px}
code{background:#f1f5f9;padding:2px 6px;border-radius:6px}