:root{--brand:#1f3b73}*{box-sizing:border-box}body{margin:0;font-family:system-ui,Segoe UI,Arial;background:#f7f8fb;color:#1b1e28}a{color:var(--brand)}.container{max-width:1000px;margin:0 auto;padding:16px}.site-header{background:#fff;border-bottom:1px solid #e5e7ef}.site-header .brand{font-weight:700;color:var(--brand)}.site-header nav a{margin-right:12px;text-decoration:none}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}.card{background:#fff;border:1px solid #e5e7ef;border-radius:8px;padding:16px}.btn{display:inline-block;background:var(--brand);color:#fff;padding:8px 12px;border-radius:6px;text-decoration:none}.alert{background:#ffe2e2;color:#991b1b;padding:10px;border-radius:6px}.form label{display:block;margin:10px 0}.form input{width:100%;padding:8px;border:1px solid #d1d5e6;border-radius:6px}.table{width:100%;border-collapse:collapse}.table th,.table td{border:1px solid #e5e7ef;padding:8px}.muted{color:#6b7280}.site-footer{background:#0f172a;color:#cbd5e1;padding:24px;margin-top:40px}