.registration-page{min-height:100vh;display:flex;flex-direction:column;background:radial-gradient(at 0% 0%,rgba(212,175,55,.1) 0px,transparent 50%),radial-gradient(at 100% 100%,rgba(38,208,206,.1) 0px,transparent 50%),var(--color-bg)}.header-simple{padding:2rem 0;text-align:center}.back-link{display:inline-block;margin-bottom:1rem;font-size:.9rem;color:var(--color-text-muted);transition:var(--transition-fast)}.back-link:hover{color:var(--color-primary-dark)}.registration-main{flex:1}.registration-main .form-title{font-size:1.8rem}.sponsor-group{background-color:#d4af371a;padding:1.5rem;border-radius:8px;border:1px solid rgba(212,175,55,.3);margin-top:1rem}.sponsor-group label{display:flex;align-items:center;cursor:pointer;font-weight:700;color:#b8860b}.sponsor-group input[type=checkbox]{width:20px;height:20px;margin-right:12px;accent-color:#D4AF37}.sponsor-group .help_text_sponsor{font-size:.85rem;color:#6c7a89;margin-top:.5rem;margin-left:32px}