.selection-album__section a.next-step-two {
    background: #54aeb5;
    color: white;
    font-size: 18px;
    padding: 16px 23px;
}

.computerBtn,
button.chooseStyles {
    color: white !important;
}

button.start-design {
    border-radius: 6px;
    color: white;
    font-size: 22px;
    padding: 13px 41px;
}

.virtualhide {
    display: none !important;
}

.sidebar {
    width: 126px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    overflow-y: auto;
    height: 100%;
    padding-right: 10px;
}

.thumbnail {
    width: 100%;
    height: 88px !important;
    cursor: pointer;
    border: 3px solid transparent;
    object-fit: cover;
    transition: all 0.3s;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.thumbnail.active {
    border: 1px solid #5e7c8b;
    border-radius: 4px;
}

.thumbnail:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.main-image-container {
    flex: 1;
    height: 100%;
    position: relative;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.main-image {
    width: 100%;
    height: 100% !important;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.navigation {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    transform: translateY(-50%);
    pointer-events: none;
}

.photo-album-container .main-image-container .navigation .nav-btn {
    width: 45px;
    height: 45px;
    padding: 11px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    pointer-events: auto;
    transition: all 0.3s;
    border: none;
}

.photo-album-container .main-image-container .navigation .nav-btn:hover {
    background-color: rgba(255, 255, 255, 1);
    transform: scale(1.1);
}

.photo-album-container .main-image-container .navigation .nav-btn svg {
    width: 20px;
    height: 20px;
    color: #333;
}

.service-button.active {
    background: #dddddd !important;
    border-radius: 14px !important;
}

.service-button:hover {
    background: #dddddd !important;
    border-radius: 14px !important;
}

input#uploadViaLink:focus {
    border-color: red;
    border-radius: 8px;
}

.select-style .select-style__checkbox .custom-checkbox {
    justify-content: center;
    display: flex;
    gap: 11px;
    font-size: 16px;
}

.select-style__checkbox .custom-checkbox .custom-checkbox__checkmark {
    position: relative !important;
}

.select-style__button #startorder {
    background: #54aeb4;
    color: white;
    font-size: 20px;
    padding: 17px;
    border-radius: 16px;
}

#computerBtn {
    color: white;
    border-radius: 9px;
    padding: 18px;
    font-size: 17px;
}

.popup-login__tab-btn.active,
.popup-login__tab-btn:hover {
    color: white;
    background-color: var(--e-global-color-twbb_link) !important;
    border-radius: 23px;
}

.popup-login__tab-btn {
    background-color: transparent !important;
}

.popup__submit {
    color: white !important;
    font-size: 19px !important;
}

/* Spinning Circle Loader */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-left-color: #3daab0;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}
 
#spinnerLoader.active{ 
    display: block !important;
}
#spinnerLoader{
    z-index: 9999999;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    z-index: 1001;
    padding: 20px;
}
.spinner-boddy{
    width: 100px;
    height: 100px;
    text-align: center;
    position: relative;
    top: 50%;
    left: 50%;
}

/* Animations */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Responsive enhancements */
@media (max-width: 1024px) {
    .selection-album__section a.next-step-two { font-size: 16px; padding: 12px 18px; }
    .select-style__wrap-card { gap: 12px; }
}

@media (max-width: 768px) {
    .sidebar { width: 90px; }
    .thumbnail { height: 70px !important; }
    .main-image-container { box-shadow: none; }
    .selection-album__section a.next-step-two { width: 100%; display: block; text-align: center; }
    .select-style__button #startorder { width: 100%; }
    #computerBtn { width: 100%; }
    .select-style__wrap-card .select-style__card { flex: 1 1 calc(50% - 10px); }
    /* Stack cover material options vertically */
    .selection-album__block.cover-type { display: block; width: 100%; }
    .cover-type .radio { display: block; }
}

@media (max-width: 576px) {
    .select-style__wrap-card { display: flex; flex-wrap: wrap; }
    .select-style__wrap-card .select-style__card { flex: 1 1 100%; }
    .photo-album-container .navigation { padding: 0 10px; }
    .photo-album-container .main-image-container .navigation .nav-btn { width: 40px; height: 40px; }
    button.start-design { width: 100%; font-size: 18px; padding: 12px 16px; }
    .upload-link input#uploadViaLink { width: 100%; }
}