*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif;background:#f6f7f9;color:#1a1a1a}a{color:#2b5fd9}button,input,select{font:inherit;padding:.5rem;border-radius:4px;border:1px solid #ccc}button{cursor:pointer;background:#2b5fd9;color:white;border:none;padding:.6rem 1rem}button:disabled{background:#999;cursor:not-allowed}button.secondary{background:#e5e7eb;color:#1a1a1a}.container{max-width:720px;margin:0 auto;padding:1.5rem}.card{background:white;border-radius:8px;padding:1.25rem;margin-bottom:1rem;box-shadow:0 1px 2px rgba(0,0,0,.06)}.field{flex-direction:column;gap:.25rem;margin-bottom:.75rem}.field,.row{display:flex}.row{gap:.75rem;flex-wrap:wrap}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:.5rem;border-bottom:1px solid #eee}.error{color:#b91c1c;font-size:.9rem}nav{background:white;border-bottom:1px solid #eee;padding:.75rem 1.5rem;display:flex;gap:1rem;align-items:center}nav .spacer{flex:1 1}