:root{color-scheme:light;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}*{box-sizing:border-box}body{margin:0;background:#f4f6fb;color:#1f2937}.page{min-height:100vh;display:grid;place-items:center;padding:1.5rem}.card{width:min(680px,100%);background:#fff;border:1px solid #dbe2ef;border-radius:12px;padding:1.5rem;box-shadow:0 6px 24px #00000014}h1{margin-top:0}button{margin-top:1rem;border:none;border-radius:8px;background:#0f4c81;color:#fff;font-weight:600;padding:.7rem 1rem;cursor:pointer}button:hover{background:#0a3c66}button:disabled{opacity:.6;cursor:not-allowed}dl{display:grid;grid-template-columns:max-content 1fr;gap:.5rem 1rem;margin:1rem 0}dt{font-weight:700}@media (max-width: 560px){dl{grid-template-columns:1fr}}