:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#123;background:#f7fbfb}body{margin:0}main{max-width:680px;margin:auto;padding:calc(24px + env(safe-area-inset-top)) 20px 48px}header{display:flex;justify-content:space-between;align-items:center;gap:12px}h1{font-size:1.5rem}input,button{font:inherit;padding:12px;margin:6px 4px 6px 0;border-radius:10px;border:1px solid #9bb}input{display:block;width:min(100%,360px);box-sizing:border-box}button{background:#0d5c63;color:#fff;border:0;cursor:pointer}section{margin-top:24px;padding:16px;background:#fff;border-radius:14px}.recovery{border:2px solid #b66;background:#fff7e8}.recovery code{display:block;font-size:1.25rem;padding:12px 0;word-break:break-all}.warn{color:#8a4600;font-weight:700}dl{display:grid;grid-template-columns:max-content 1fr;gap:6px 12px;margin:0}dt{font-weight:700}dd{margin:0;word-break:break-word}@media(display-mode:standalone){body{background:#eef7f7}}