*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;background:#f4f5f7;font-family:Inter,"Segoe UI",Arial,sans-serif;color:#202833}
.box{width:min(380px,calc(100% - 32px));background:#fff;border:1px solid #e5e8ec;border-radius:14px;padding:28px}h1{font-size:20px;margin:0 0 4px;color:#ed6b26}h2{font-size:15px;margin:0 0 18px;color:#555;font-weight:500}
label{display:grid;gap:6px;font-size:13px;font-weight:600;margin-bottom:12px}input{font:inherit;border:1px solid #d9dde3;border-radius:8px;padding:11px 12px}button{width:100%;background:#ed6b26;color:#fff;border:0;border-radius:9px;padding:12px;font-weight:700;font-size:15px;cursor:pointer}
.err{background:#fdecea;color:#b72d22;padding:10px 12px;border-radius:8px;font-size:13px;margin-bottom:12px}.hint{font-size:12px;color:#77808d}