/* ============================================
   PRODUCT DETAIL PAGE SPECIFIC STYLES
   ============================================ */

/* --- Grid layout --- */
.product-detail__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

/* --- Gallery --- */
.product-detail__gallery {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.gallery-main {
    border-radius: 1.2rem;
    overflow: hidden;
    background: var(--color-light-gray);
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
}
.gallery-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.gallery-main img:hover {
    transform: scale(1.02);
}

.gallery-thumbs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.8rem;
}
.gallery-thumbs .thumb {
    border-radius: 0.8rem;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition);
    opacity: 0.7;
}
.gallery-thumbs .thumb.active,
.gallery-thumbs .thumb:hover {
    border-color: var(--color-gold);
    opacity: 1;
}

/* --- Info --- */
.product-detail__name {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}
.product-detail__rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-gold);
    margin-bottom: 1rem;
}
.product-detail__rating span {
    color: var(--color-gray);
    font-size: 0.9rem;
}
.product-detail__price {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.2rem;
}
.product-detail__price .price--current {
    font-size: 1.6rem;
    font-weight: 700;
}
.product-detail__price .price--old {
    font-size: 1.1rem;
    color: #999;
    text-decoration: line-through;
}
.product-detail__price .price--discount {
    background: #e74c3c;
    color: #fff;
    padding: 0.2rem 0.8rem;
    border-radius: 2rem;
    font-size: 0.85rem;
    font-weight: 600;
}
.product-detail__desc {
    color: var(--color-gray);
    line-height: 1.8;
    margin-bottom: 1.8rem;
}

/* --- Options (Color / Size) --- */
.product-detail__option {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.2rem;
    flex-wrap: wrap;
}
.option-label {
    font-weight: 600;
    min-width: 60px;
}
.option-colors,
.option-sizes {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}
.option-colors .color-circle {
    width: 28px;
    height: 28px;
}
.option-colors .color-circle.active {
    border:2px solid var(--color-gold);
}
.option-sizes .size-tag {
    padding: 0.3rem 1rem;
    font-size: 0.85rem;
    background: var(--color-light-gray);
    border-radius: 2rem;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all var(--transition);
}
.option-sizes .size-tag.active,
.option-sizes .size-tag:hover {
    background: var(--color-gold);
    color: var(--color-white);
    border-color: var(--color-gold);
}

/* --- Actions (qty + add to cart) --- */
.product-detail__actions {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    flex-wrap: wrap;
    margin: 1.8rem 0;
}
.quantity-selector {
    display: flex;
    align-items: center;
    border: 1px solid #ddd;
    border-radius: 2.5rem;
    overflow: hidden;
}
.quantity-selector .qty-btn {
    background: none;
    border: none;
    width: 44px;
    height: 44px;
    font-size: 1.2rem;
    cursor: pointer;
    transition: background var(--transition);
}
.quantity-selector .qty-btn:hover {
    background: var(--color-light-gray);
}
.quantity-selector input {
    width: 60px;
    height: 44px;
    border: none;
    text-align: center;
    font-size: 1rem;
    font-family: var(--font-primary);
    outline: none;
    border-left: 1px solid #ddd;
    border-right: 1px solid #ddd;
}
.quantity-selector input::-webkit-inner-spin-button {
    -webkit-appearance: none;
}
.btn--add-cart {
    padding: 0.9rem 2.5rem;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
}

/* --- Meta & Share --- */
.product-detail__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    font-size: 0.95rem;
    color: var(--color-gray);
    padding: 1rem 0;
    border-top: 1px solid #eee;
    border-bottom: 1px solid #eee;
    margin-bottom: 1.2rem;
}
.product-detail__meta i {
    margin-left: 0.4rem;
    color: var(--color-gold);
}
.product-detail__meta a {
    color: var(--color-gold);
    transition: color var(--transition);
}
.product-detail__meta a:hover {
    color: var(--color-gold-dark);
}
.product-detail__share {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.product-detail__share a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-light-gray);
    color: var(--color-gray);
    transition: all var(--transition);
}
.product-detail__share a:hover {
    background: var(--color-gold);
    color: var(--color-white);
}

/* ============================================
   TABS
   ============================================ */
.product-tabs {
    margin: 3rem 0 4rem;
    border: 1px solid #eee;
    border-radius: 1.2rem;
    overflow: hidden;
}
.tabs-header {
    display: flex;
    background: var(--color-light-gray);
    border-bottom: 1px solid #eee;
    overflow-x: auto;
}
.tab-btn {
    padding: 1rem 2rem;
    background: none;
    border: none;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-gray);
    cursor: pointer;
    transition: all var(--transition);
    border-bottom: 3px solid transparent;
    white-space: nowrap;
}
.tab-btn:hover {
    color: var(--color-black);
}
.tab-btn.active {
    color: var(--color-gold-dark);
    border-bottom-color: var(--color-gold);
}
.tabs-content {
    padding: 2rem;
}
.tab-pane {
    display: none;
    animation: fadeIn 0.4s ease;
}
.tab-pane.active {
    display: block;
}
.tab-pane p {
    margin-bottom: 0.8rem;
    color: var(--color-gray);
}
.tab-pane strong {
    color: var(--color-black);
}

/* Review items */
.review-item {
    padding: 1rem 0;
    border-bottom: 1px solid #f0f0f0;
}
.review-item:last-child {
    border-bottom: none;
}
.review-item strong {
    display: inline-block;
    margin-left: 0.8rem;
}
.review-item span {
    color: var(--color-gold);
}
.review-item p {
    margin-top: 0.3rem;
    color: var(--color-gray);
}

/* ============================================
   RELATED PRODUCTS
   ============================================ */
.related-products {
    margin-top: 4rem;
}
.related-products__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 992px) {
    .product-detail__grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .product-detail__gallery {
        max-width: 500px;
        margin: 0 auto;
    }
    .product-detail__name {
        font-size: 1.6rem;
    }
}

@media (max-width: 576px) {
    .product-detail__actions {
        flex-direction: column;
        align-items: stretch;
    }
    .quantity-selector {
        align-self: center;
    }
    .btn--add-cart {
        justify-content: center;
    }
    .tabs-header {
        flex-wrap: nowrap;
        justify-content: flex-start;
    }
    .tab-btn {
        padding: 0.8rem 1.2rem;
        font-size: 0.9rem;
    }
    .tabs-content {
        padding: 1.2rem;
    }
    .related-products__grid {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }
    .product-detail__price .price--current {
        font-size: 1.3rem;
    }
}

.review-item__header {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 0.3rem;
}
.review-item__rating i {
    font-size: 0.9rem;
}
.review-item__date {
    color: var(--color-gray);
    font-size: 0.8rem;
}
.review-item__message {
    margin: 0.3rem 0 0.8rem;
    color: var(--color-gray);
    line-height: 1.7;
}
.review-item {
    padding: 1rem 0;
    border-bottom: 1px solid #f0f0f0;
}
.review-item:last-child {
    border-bottom: none;
}
.review-form-wrapper {
    background: var(--color-light-gray);
    border-radius: 1rem;
    padding: 1.5rem;
}
.review-form-wrapper .form-group label {
    font-weight: 500;
    font-size: 0.95rem;
}
.review-form-wrapper .form-group input,
.review-form-wrapper .form-group select,
.review-form-wrapper .form-group textarea {
    width: 100%;
    padding: 0.6rem 1rem;
    border: 1px solid #ddd;
    border-radius: 0.8rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color var(--transition);
    background: var(--color-white);
    outline: none;
}
.review-form-wrapper .form-group input:focus,
.review-form-wrapper .form-group select:focus,
.review-form-wrapper .form-group textarea:focus {
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.12);
}
.alert-info {
    background: #e8f0fe;
    border: 1px solid #d2e3fc;
    color: #1a56db;
    padding: 1rem 1.2rem;
    border-radius: 0.8rem;
}
.btn-link {
    color: var(--color-gold);
    font-weight: 500;
    text-decoration: underline;
}
.btn-link:hover {
    color: var(--color-gold-dark);
}
.text-muted {
    color: var(--color-gray);
}
.rounded {
    border-radius: 1rem;
}
.bg-light {
    background: var(--color-light-gray);
}
.p-4 {
    padding: 1.5rem;
}
.mt-4 {
    margin-top: 2rem;
}
.mb-3 {
    margin-bottom: 1rem;
}

/* ============================================
   RATING STARS
   ============================================ */
.rating-stars {
    display: flex;
    gap: 0.5rem;
    direction: ltr; /* stars are left-to-right */
    justify-content: flex-start;
    font-size: 2.2rem;
    cursor: pointer;
    user-select: none;
}

.rating-stars .star {
    color: #ddd;
    transition: color 0.15s ease, transform 0.15s ease;
    line-height: 1;
}

.rating-stars .star:hover,
.rating-stars .star.hover {
    color: var(--color-gold);
    transform: scale(1.1);
}

.rating-stars .star.active {
    color: var(--color-gold);
}

.rating-label {
    margin-top: 0.4rem;
    font-size: 0.95rem;
    color: var(--color-gray);
    min-height: 1.8rem;
    transition: color 0.2s;
}

.rating-label.has-rating {
    color: var(--color-gold-dark);
    font-weight: 500;
}

/* Adjust star size on small screens */
@media (max-width: 576px) {
    .rating-stars {
        font-size: 1.8rem;
        gap: 0.3rem;
    }
}

/* ============================================
   RATING STARS WITH INDIVIDUAL LABELS
   ============================================ */
.rating-stars-wrapper {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
}

.rating-stars {
    display: flex;
    gap: 1rem;
    direction: ltr;
    cursor: pointer;
    user-select: none;
}

.star-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.15rem;
    transition: transform 0.15s ease;
}

.star-item:hover {
    transform: translateY(-2px);
}

.star-item .star {
    font-size: 2.2rem;
    color: #ddd;
    transition: color 0.15s ease, transform 0.15s ease;
    line-height: 1;
}

.star-item .star-label {
    font-size: 0.65rem;
    color: #aaa;
    transition: color 0.15s ease;
    white-space: nowrap;
    opacity: 0;
    transform: translateY(-4px);
    transition: opacity 0.2s ease, transform 0.2s ease, color 0.2s ease;
}

/* Show label on hover */
.star-item:hover .star-label {
    opacity: 1;
    transform: translateY(0);
}

/* Star colors */
.star-item .star.active {
    color: var(--color-gold);
}

.star-item .star.hover {
    color: var(--color-gold);
}

.star-item .star-label.active,
.star-item .star-label.hover {
    color: var(--color-gold-dark);
    font-weight: 600;
}

/* Rating label below stars */
.rating-label {
    font-size: 0.95rem;
    color: var(--color-gray);
    min-height: 1.8rem;
    transition: color 0.2s;
    margin-top: 0.2rem;
}

.rating-label.has-rating {
    color: var(--color-gold-dark);
    font-weight: 500;
}

/* Responsive */
@media (max-width: 576px) {
    .rating-stars {
        gap: 0.6rem;
    }
    .star-item .star {
        font-size: 1.8rem;
    }
    .star-item .star-label {
        font-size: 0.55rem;
    }
}

.review-item__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-black);
    margin: 0.3rem 0 0.2rem;
}
.review-item__rating i {
    font-size: 0.9rem;
    margin: 0 0.05rem;
}
/* ============================================
   GALLERY THUMBNAILS - WORKING VERSION
   ============================================ */
.gallery-thumbs-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.gallery-thumbs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.8rem;
    max-height: 200px; /* فقط ۴ تصویر اول قابل مشاهده است */
    overflow: hidden;
    transition: max-height 0.5s ease;
}

.gallery-thumbs.show-all {
    max-height: 2000px; /* مقدار بزرگ برای نمایش همه تصاویر */
}

.gallery-thumbs .thumb {
    border-radius: 0.8rem;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition);
    opacity: 0.7;
}

.gallery-thumbs .thumb.active,
.gallery-thumbs .thumb:hover {
    border-color: var(--color-gold);
    opacity: 1;
}

/* ============================================
   GALLERY CONTROLS
   ============================================ */
.gallery-controls {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    margin-top: 0.5rem;
}

.gallery-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.5rem 1.2rem;
    border: 2px solid var(--color-gold);
    border-radius: 2.5rem;
    background: transparent;
    color: var(--color-gold-dark);
    font-family: var(--font-primary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    user-select: none;
}

.gallery-btn:hover {
    background: var(--color-gold);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(201, 169, 110, 0.35);
}

.gallery-btn--less {
    border-color: #e74c3c;
    color: #e74c3c;
}

.gallery-btn--less:hover {
    background: #e74c3c;
    border-color: #e74c3c;
    color: var(--color-white);
    box-shadow: 0 6px 20px rgba(231, 76, 60, 0.3);
}

.gallery-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

@media (max-width: 576px) {
    .gallery-thumbs {
        grid-template-columns: repeat(3, 1fr);
        max-height: 150px;
    }
    .gallery-thumbs.show-all {
        max-height: 1500px;
    }
    .gallery-btn {
        font-size: 0.75rem;
        padding: 0.4rem 1rem;
    }
}

/* ============================================
   WISHLIST BUTTON
   ============================================ */
.product-detail__wishlist {
    margin: 1rem 0 0.5rem;
}

.wishlist-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: none;
    border: none;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    color: var(--color-gray);
    cursor: pointer;
    padding: 0.5rem 0;
    transition: all 0.3s ease;
}

.wishlist-toggle i {
    font-size: 1.4rem;
    transition: all 0.3s ease;
    color: #ddd;
}

.wishlist-toggle .fas.fa-heart {
    color: #e74c3c;
}

.wishlist-toggle:hover i {
    transform: scale(1.15);
}

.wishlist-toggle .wishlist-text {
    font-weight: 500;
}

.wishlist-toggle.active i {
    animation: heartBeat 0.4s ease;
}

@keyframes heartBeat {
    0% { transform: scale(1); }
    50% { transform: scale(1.3); }
    100% { transform: scale(1); }
}