:root{--fg:#111827;--muted:#6b7280;--brand:#2563eb}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--fg);background:#f8fafc}.container{max-width:960px;margin:0 auto;padding:0 20px}.card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:24px;box-shadow:0 1px 2px rgba(0,0,0,.04)}.btn{display:inline-block;background:var(--brand);color:#fff;border:none;border-radius:8px;padding:12px 20px;font-size:16px;font-weight:600;cursor:pointer}.btn:disabled{opacity:.6;cursor:progress}.input{width:100%;padding:12px 14px;border:1px solid #d1d5db;border-radius:8px;font-size:15px}.field{margin-bottom:14px}.label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.error{color:#dc2626;font-size:14px;margin-top:10px}.result{margin-top:20px}.score{font-size:42px;font-weight:800;color:var(--brand)}.pill{display:inline-block;padding:4px 10px;border-radius:999px;font-size:13px;font-weight:600;margin-right:6px}.pill.critical{background:#fee2e2;color:#b91c1c}.pill.serious{background:#ffedd5;color:#c2410c}.pill.moderate{background:#fef3c7;color:#b45309}.pill.minor{background:#e0f2fe;color:#0369a1}h1{font-size:28px;line-height:1.2;margin-bottom:8px}p.sub{color:var(--muted);font-size:16px;margin-top:0}