:root{--paper:#f4f1ec;--ink:#181717;--muted:#5c5a57;--card:#fff;--line:#e4dfd7;--good:#2f6b3a;--warn:#8a5a00}*{box-sizing:border-box}body{background:var(--paper);color:var(--ink);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.shell{max-width:440px;margin:0 auto;padding:48px 24px 64px}.center{text-align:center}h1{margin:0 0 12px;font-size:24px;line-height:1.3}h2{margin:0 0 8px;font-size:17px}p{margin:0 0 16px;font-size:16px;line-height:1.5}.code{letter-spacing:3px;background:var(--card);text-align:center;border-radius:12px;margin:24px 0;padding:16px;font-size:32px;font-weight:700}.button{background:var(--ink);color:#fff;width:100%;font:inherit;text-align:center;cursor:pointer;border:0;border-radius:12px;padding:16px;font-size:18px;font-weight:600;text-decoration:none;display:block}.button.secondary{color:var(--ink);border:1px solid var(--line);background:0 0;padding:12px;font-size:16px}.button:disabled{opacity:.6;cursor:default}.hint{color:var(--muted);margin-top:20px;font-size:14px}.draft{background:var(--card);text-align:left;white-space:pre-wrap;overflow-wrap:anywhere;border-radius:12px;margin:20px 0;padding:16px}.card{background:var(--card);border-radius:12px;margin:0 0 16px;padding:20px}.status{font-size:14px;font-weight:600}.status.good{color:var(--good)}.status.warn{color:var(--warn)}label{margin:12px 0 6px;font-size:14px;font-weight:600;display:block}input[type=text],select{border:1px solid var(--line);width:100%;font:inherit;background:#fff;border-radius:10px;padding:12px}.toggle{align-items:center;gap:10px;font-size:16px;font-weight:400;display:flex}.stack>*+*{margin-top:12px}.spaced{margin-top:16px}