:root{color-scheme:light dark;--bg: #0f1115;--card: #171a21;--border: #2a2e38;--text: #e8e9ec;--muted: #9aa0ac;--accent: #5b8cff;--warn: #e0a030;--danger: #e0524a;--ok: #4caf7d}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}#app{width:100%;max-width:480px}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:28px}h1{font-size:1.3rem;margin:0 0 12px}p{color:var(--muted);line-height:1.5}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9em;word-break:break-all}button{width:100%;padding:12px 16px;border-radius:8px;border:none;background:var(--accent);color:#fff;font-size:1rem;font-weight:600;cursor:pointer;margin-top:8px}button:disabled{opacity:.4;cursor:not-allowed}button.secondary{background:transparent;border:1px solid var(--border);color:var(--text)}.token-item{display:flex;align-items:center;justify-content:space-between;padding:12px;border:1px solid var(--border);border-radius:8px;margin-bottom:8px}.token-item button{width:auto;margin:0;padding:8px 14px;font-size:.9rem}input[type=text]{width:100%;padding:10px 12px;border-radius:8px;border:1px solid var(--border);background:#0d0f14;color:var(--text);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9rem;margin:8px 0}.warning{background:#e0a0301f;border:1px solid var(--warn);color:var(--warn);border-radius:8px;padding:10px 12px;font-size:.85rem;margin:12px 0}.error{background:#e0524a1f;border:1px solid var(--danger);color:var(--danger);border-radius:8px;padding:10px 12px;font-size:.85rem;margin:12px 0}.success{background:#4caf7d1f;border:1px solid var(--ok);color:var(--ok);border-radius:8px;padding:10px 12px;font-size:.85rem;margin:12px 0}.confirm-row{display:flex;align-items:flex-start;gap:10px;margin:16px 0}.confirm-row input[type=checkbox]{margin-top:3px}a{color:var(--accent)}.field-label{font-size:.8rem;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin-top:14px;margin-bottom:2px}