body,html{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;color:#111;background:#f7f7f5}a{color:#174ea6;text-decoration:none}.topnav{display:flex;justify-content:space-between;align-items:center;padding:.75rem 1.25rem;background:#fff;border-bottom:1px solid #e5e5e5}.topnav .brand{font-weight:700;color:#111}.topnav nav{display:flex;gap:1rem}.container{max-width:960px;margin:0 auto;padding:1.5rem}.card{background:#fff;border:1px solid #e5e5e5;border-radius:8px;padding:1rem 1.25rem;margin-bottom:1rem}.btn{display:inline-block;background:#111;color:#fff;padding:.5rem .9rem;border-radius:6px;border:none;cursor:pointer}input,select,textarea{width:100%;padding:.5rem;margin:.35rem 0 .85rem;border:1px solid #ccc;border-radius:6px;box-sizing:border-box}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:.5rem;border-bottom:1px solid #eee}.muted{color:#666;font-size:.9rem}.warn{background:#fff8e6;border:1px solid #f0d78c;padding:.75rem 1rem;border-radius:6px;margin-bottom:1rem}