:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#142d49;background:#eff7fd}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at 50% 0,#d8f2ff,transparent 55%),#eff7fd}.shell{width:min(100% - 32px,520px);margin:clamp(38px,9vh,110px) auto 30px}.brand{display:flex;align-items:center;gap:15px;justify-content:center;margin-bottom:32px}.symbol{background:#087af1;color:#fff;border:3px solid #ffc444;width:62px;height:62px;border-radius:18px;display:grid;place-items:center;font-size:36px;font-weight:800}.eyebrow{font-size:10px;letter-spacing:2px;color:#4b6d8b;font-weight:700}.brand h1{font-size:26px;margin:3px 0 0;color:#0866ce}.panel{background:#fff;border:1px solid #c7dff5;border-radius:24px;padding:clamp(22px,5vw,38px);box-shadow:0 18px 45px #0b4a7c13}.step{font-size:11px;letter-spacing:2px;font-weight:800;color:#1477dc}h2{font-size:30px;line-height:1.15;margin:12px 0}.intro,.hint{color:#536d85;line-height:1.6}.intro{margin-bottom:26px}label{display:block;font-size:14px;font-weight:700;margin:17px 0 8px}input{width:100%;padding:14px;border:1px solid #9dc3e9;border-radius:12px;font-size:16px;color:#142d49;background:#f8fbff}input:focus{outline:3px solid #b6dbff;border-color:#1477dc}button{width:100%;padding:15px;border:0;border-radius:12px;background:#087af1;color:#fff;font-size:16px;font-weight:700;margin-top:24px}button:disabled{background:#a8c9ec;cursor:not-allowed}.message{min-height:0;color:#b32722;font-size:14px}.message:not(:empty){padding:12px;border-radius:10px;background:#fff2f1;margin-bottom:15px}.hint{font-size:13px;margin-top:22px}.notice{font-size:13px;padding:14px;background:#edf5ff;border-radius:12px;color:#385c80;line-height:1.5}footer{text-align:center;color:#607d98;font-size:13px;letter-spacing:1px;margin:30px 0}