:root{--bg: #f6f7fb;--card: #ffffff;--text: #0f172a;--muted: #6b7280;--ring: #e5e7eb}*{box-sizing:border-box}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial;background:var(--bg);color:var(--text)}.wrap{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:32px}.card{width:100%;max-width:560px;background:var(--card);border:1px solid var(--ring);border-radius:16px;padding:24px;box-shadow:0 6px 24px #0f172a0f}h2{margin:0 0 16px}.grid{display:grid;gap:10px}.row{display:flex;gap:10px;margin-top:12px}input,select,button{padding:10px 12px;border:1px solid var(--ring);border-radius:10px;font-size:14px}button{cursor:pointer;background:#0ea5e9;color:#fff;border:none;transition:transform .02s ease}button:disabled{background:#94a3b8;cursor:not-allowed}button:active{transform:translateY(1px)}.addr{margin-top:14px;color:var(--muted)}.addr code{color:#111827}.addr a{color:#0ea5e9;text-decoration:none}.addr a:hover{text-decoration:underline}