.spinner-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background-color:#fff9;display:flex;justify-content:center;align-items:center;z-index:999}.spinner{border:6px solid var(--color-bg);border-top:6px solid var(--color-primary);border-radius:50%;width:60px;height:60px;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.form-page{min-height:100vh;width:100%;display:flex;flex-direction:column;justify-content:top;align-items:top;text-align:center;padding:3rem;background-image:url(https://www.transparenttextures.com/patterns/asfalt-dark.png);background-color:var(--color-header);background-repeat:repeat}.view-toggle-buttons button:disabled{background-color:#ccc;cursor:not-allowed}.tab-buttons{display:flex;justify-content:center;margin:1rem 0;gap:1rem}.tab{background:none;border:none;border-bottom:2px solid transparent;padding:.5rem 1rem;font-size:1rem;cursor:pointer;transition:border-color .2s;color:var(--color-primary)}.tab.active{border-bottom:2px solid var(--color-primary);font-weight:700}.product-logo{display:block;max-width:150px;margin:0 auto 1rem}@media (max-width: 400px){.product-logo{max-width:120px}}