:root{font-family:system-ui,sans-serif;color:#1c2940;background:#f1f5fa}body{margin:0;padding:40px 18px}main{max-width:760px;margin:auto;background:white;border:1px solid #d7dfeb;border-radius:16px;padding:32px}h1{font-size:28px}.label{color:#535cc0;font-weight:700}p{line-height:1.8}.buttons{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0}button{border:0;background:#5146d7;color:white;border-radius:8px;padding:14px 18px;font:inherit;cursor:pointer}button:disabled{opacity:.5;cursor:wait}pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#f1f5fa;padding:16px;border-radius:8px;min-height:30px}.note{font-size:14px;color:#506078}.pass{color:#126332}.fail{color:#a72020}