.register-container{max-width:400px;margin:60px auto;background:#fff;border-radius:16px;padding:40px 30px;box-shadow:0 10px 30px rgba(0,0,0,.08);font-family:Inter,sans-serif;color:#0f172a;text-align:center}.title{font-size:22px;font-weight:600;margin:0 0 16px;text-align:center}.form-group{margin-bottom:20px;text-align:center}label{display:block;margin-bottom:6px;font-size:14px;color:#4b5563;font-weight:600;text-align:center}.readonly-phone,input[type=text]{width:80%;padding:10px 12px;border:1.5px solid #d1d5db;border-radius:10px;background:#f9fafb;font-size:16px;color:#111827;transition:border-color .2s ease,box-shadow .2s ease;display:block;margin:0 auto}input[type=text]:focus{outline:none;border-color:#3a5bff;box-shadow:0 0 0 3px rgba(58,91,255,.2);background:#fff}.readonly-phone{background:#f3f4f6;color:#6b7280;cursor:not-allowed}.form-actions{display:flex;justify-content:center;gap:10px;margin-top:20px}.submit-button{flex:1;max-width:150px;background:#3a5bff;color:white;font-weight:600;border:none;border-radius:8px;padding:10px 0;font-size:14px;cursor:pointer;transition:background .2s ease}.submit-button:hover:enabled{background:#2a48e0}.submit-button:disabled{background:#9ca3af;cursor:not-allowed}.back-button{max-width:150px;padding:10px 0;margin-right:0;background:#eee;color:#333;border-radius:8px;font-size:14px}