.hbn{max-width:520px;margin:auto;font-family:system-ui}
.card{background:#0f0f12;color:#fff;padding:28px;border-radius:20px;box-shadow:0 30px 80px rgba(0,0,0,.6)}
input{width:100%;padding:16px;border-radius:14px;border:1px solid #2a2a30;background:#1a1a1f;color:#fff;margin-bottom:14px}
.check{display:flex;align-items:center;gap:12px}
.check input{position:absolute;opacity:0}
.fake-box{width:20px;height:20px;border-radius:6px;border:2px solid #444;background:#1a1a1f}
.check input:checked + .fake-box{background:linear-gradient(135deg,#ff2d2d,#b30000)}
button{width:100%;padding:16px;border-radius:14px;background:linear-gradient(135deg,#ff2d2d,#b30000);color:#fff;border:0;font-weight:900}