/* ============================================
   SOUNDWAVE — SINGLE PRODUCT PAGE STYLES
   ============================================ */

/* Breadcrumb already defined in shop.css — import that or copy needed bits */
.breadcrumb-bar {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 20px 0;
}

.breadcrumb-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.breadcrumb a {
    font-size: 13px;
    color: var(--text-muted);
    transition: color var(--transition);
}

.breadcrumb a:hover {
    color: var(--primary);
}

.breadcrumb .separator {
    color: var(--text-muted);
    font-size: 9px;
}

.breadcrumb .current {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-dark);
}

/* --- Product Section --- */
.product-section {
    padding: 36px 0 60px;
}

.product-top {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

/* --- Gallery --- */
.product-gallery {
    position: sticky;
    top: 160px;
    align-self: start;
}

.gallery-main {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    margin-bottom: 12px;
}

.gallery-main img {
    width: 100%;
    height: 480px;
    object-fit: cover;
    display: block;
    transition: opacity .3s ease, transform .4s ease;
}

.gallery-main {
    cursor: crosshair;
}

/* Inner Zoom Lens */
.zoom-lens {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
    background-repeat: no-repeat;
    pointer-events: none;
    opacity: 0;
    transition: opacity .3s ease;
}

.zoom-lens.active {
    opacity: 1;
}

/* Fullscreen Lightbox */
.lightbox-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, .85);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    transition: opacity .3s ease;
    cursor: zoom-out;
}

.lightbox-overlay.active {
    opacity: 1;
}

.lightbox-overlay img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
}

.lightbox-close {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, .15);
    color: white;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    backdrop-filter: blur(4px);
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, .3);
    transform: scale(1.1);
}

.gallery-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    z-index: 2;
}

.gallery-zoom {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    background: var(--white);
    border: none;
    border-radius: 50%;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: var(--text-dark);
    transition: all var(--transition);
    z-index: 2;
}

.gallery-zoom:hover {
    background: var(--primary);
    color: var(--white);
    transform: scale(1.1);
}

.gallery-thumbs {
    display: flex;
    gap: 10px;
}

.thumb {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    background: var(--white);
    box-shadow: var(--shadow-sm);
    padding: 0;
}

.thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumb:hover {
    border-color: var(--text-muted);
}

.thumb.active {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(59, 59, 152, .2);
}

/* --- Product Info --- */
.product-info {
    padding-top: 4px;
}

.pi-brand-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.pi-brand {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: .5px;
}

.pi-share {
    display: flex;
    gap: 6px;
}

.pi-share button {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--white);
    color: var(--text-body);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: all var(--transition);
}

.pi-share button:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(59, 59, 152, .06);
}

.pi-title {
    font-size: 26px;
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1.3;
    margin-bottom: 14px;
}

.pi-rating {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
    flex-wrap: wrap;
}

.pi-rating .stars {
    display: flex;
    gap: 2px;
    color: #F59E0B;
    font-size: 14px;
}

.rating-text {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-dark);
}

.review-count {
    font-size: 13px;
    color: var(--primary);
    text-decoration: underline;
}

.pi-sep {
    color: var(--border);
}

.pi-sold {
    font-size: 13px;
    color: var(--accent-red);
    font-weight: 500;
}

.pi-sold i {
    margin-right: 2px;
}

/* Price Block */
.pi-price-block {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 16px;
    padding: 16px 20px;
    background: linear-gradient(135deg, rgba(59, 59, 152, .06), rgba(59, 59, 152, .04));
    border-radius: var(--radius-md);
    border: 1px solid rgba(59, 59, 152, .1);
}

.pi-price {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
}

.pi-old-price {
    font-size: 18px;
    color: var(--text-muted);
    text-decoration: line-through;
}

.pi-save {
    font-size: 13px;
    font-weight: 600;
    color: var(--success);
    background: rgba(16, 185, 129, .1);
    padding: 4px 12px;
    border-radius: 50px;
}

/* Flash Sale */
.flash-sale-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: linear-gradient(90deg, #ea1d22, #c81a1e);
    border-radius: var(--radius-md);
    padding: 12px 20px;
    color: var(--white);
    margin-bottom: 20px;
}

.fsb-info {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
}

.fsb-info i {
    font-size: 18px;
    color: #FDE68A;
}

.fsb-timer {
    display: flex;
    align-items: center;
    gap: 4px;
}

.fsb-timer .cd-box {
    background: rgba(255, 255, 255, .2);
    backdrop-filter: blur(4px);
    padding: 4px 10px;
    border-radius: 6px;
    text-align: center;
}

.fsb-timer .cd-box span {
    display: block;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.2;
}

.fsb-timer .cd-box small {
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: .5px;
    opacity: .8;
}

.fsb-timer .cd-sep {
    font-weight: 700;
    font-size: 16px;
}

/* Key Highlights */
.pi-highlights {
    list-style: none;
    padding: 0;
    margin: 0 0 22px;
}

.pi-highlights li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 6px 0;
    font-size: 13px;
    color: var(--text-body);
    line-height: 1.5;
}

.pi-highlights li i {
    color: var(--success);
    margin-top: 3px;
    flex-shrink: 0;
}

/* Options */
.pi-option {
    margin-bottom: 20px;
}

.option-label {
    display: block;
    font-size: 13px;
    color: var(--text-body);
    margin-bottom: 10px;
}

.option-label strong {
    color: var(--text-dark);
}

.color-swatches {
    display: flex;
    gap: 10px;
}

.swatch {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 3px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    outline: 2px solid transparent;
    outline-offset: 2px;
    padding: 0;
}

.swatch:hover {
    outline-color: var(--text-muted);
}

.swatch.active {
    outline-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(59, 59, 152, .2);
}

.variant-btns {
    display: flex;
    gap: 8px;
}

.var-btn {
    padding: 10px 20px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-body);
    cursor: pointer;
    transition: all var(--transition);
    font-family: var(--font);
}

.var-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.var-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

/* Cart Row */
.pi-cart-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.qty-control {
    display: flex;
    align-items: center;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--white);
}

.qty-btn {
    width: 42px;
    height: 44px;
    background: var(--bg);
    border: none;
    font-size: 18px;
    color: var(--text-dark);
    cursor: pointer;
    transition: background var(--transition);
    font-family: var(--font);
}

.qty-btn:hover {
    background: var(--border);
}

.qty-control input {
    width: 50px;
    height: 44px;
    text-align: center;
    border: none;
    border-left: 1px solid var(--border);
    border-right: 1px solid var(--border);
    font-size: 15px;
    font-weight: 600;
    color: var(--text-dark);
    font-family: var(--font);
    -moz-appearance: textfield;
}

.qty-control input::-webkit-inner-spin-button,
.qty-control input::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.add-to-cart-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0 28px;
    height: 48px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    font-family: var(--font);
}

.btn-buy-now {
    background: var(--cta);
    color: var(--white);
    border: none;
    border-radius: 50px;
    padding: 0 28px;
    height: 48px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    font-family: var(--font);
}

.btn-buy-now:hover {
    background: var(--cta-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(234, 29, 34, .3);
}

/* Stock */
.pi-stock {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

.in-stock {
    font-size: 13px;
    font-weight: 600;
    color: var(--success);
    display: flex;
    align-items: center;
    gap: 6px;
}

.stock-note {
    font-size: 13px;
    color: var(--text-muted);
}

/* Actions Row */
.pi-actions {
    display: flex;
    gap: 20px;
    margin-bottom: 22px;
    flex-wrap: wrap;
}

.pia-link {
    font-size: 13px;
    color: var(--text-body);
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color var(--transition);
}

.pia-link:hover {
    color: var(--primary);
}

.pia-link i {
    font-size: 16px;
}

.wa-single-order {
    background: #25D366;
    color: var(--white) !important;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: all var(--transition);
}

.wa-single-order:hover {
    background: #128C7E;
    color: var(--white) !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

/* Guarantees */
.pi-guarantees {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    padding: 18px;
    background: var(--bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.pg-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.pg-item i {
    font-size: 22px;
    color: var(--primary);
    flex-shrink: 0;
}

.pg-item strong {
    font-size: 12px;
    color: var(--text-dark);
    display: block;
}

.pg-item span {
    font-size: 11px;
    color: var(--text-muted);
}

/* ===================================================
   PRODUCT TABS
   =================================================== */
.product-tabs {
    margin-bottom: 50px;
}

.tab-nav {
    display: flex;
    border-bottom: 2px solid var(--border);
    gap: 0;
    margin-bottom: 30px;
    overflow-x: auto;
}

.tab-btn {
    padding: 14px 28px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
    font-family: var(--font);
}

.tab-btn:hover {
    color: var(--text-dark);
}

.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
    animation: fadeIn .3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Description Tab */
.desc-content {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 40px;
}

.desc-text h3 {
    font-size: 22px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 16px;
}

.desc-text h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 28px 0 12px;
}

.desc-text p {
    font-size: 14px;
    color: var(--text-body);
    line-height: 1.8;
    margin-bottom: 14px;
}

.desc-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 28px;
}

.df-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    transition: all var(--transition);
}

.df-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    border-color: rgba(59, 59, 152, .2);
}

.df-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, rgba(59, 59, 152, .1), rgba(59, 59, 152, .1));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--primary);
    margin-bottom: 12px;
}

.df-card h5 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.df-card p {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.5;
    margin: 0;
}

.desc-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: sticky;
    top: 160px;
    align-self: start;
}

.desc-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-lg);
}

/* Specs Tab */
.spec-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.spec-table tr {
    border-bottom: 1px solid var(--border);
}

.spec-table tr:last-child {
    border-bottom: none;
}

.spec-table tr:hover {
    background: rgba(59, 59, 152, .02);
}

.spec-table th {
    padding: 14px 24px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-dark);
    background: var(--bg);
    width: 200px;
    text-align: left;
    vertical-align: top;
}

.spec-table td {
    padding: 14px 24px;
    font-size: 13px;
    color: var(--text-body);
}

/* Delivery Tab */
.delivery-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.del-block {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 28px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border);
}

.del-block h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.del-block h4 i {
    color: var(--primary);
    font-size: 20px;
}

.del-block ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.del-block li {
    position: relative;
    padding: 8px 0 8px 20px;
    font-size: 13px;
    color: var(--text-body);
    line-height: 1.6;
}

.del-block li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
}

/* Reviews Tab */
.reviews-summary {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 32px;
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 28px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border);
    margin-bottom: 24px;
}

.rs-score {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.big-score {
    font-size: 52px;
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1;
    margin-bottom: 8px;
}

.rs-stars {
    font-size: 18px;
    color: #F59E0B;
    margin-bottom: 6px;
    display: flex;
    gap: 2px;
}

.rs-total {
    font-size: 12px;
    color: var(--text-muted);
}

.rs-bars {
    display: flex;
    flex-direction: column;
    gap: 8px;
    justify-content: center;
}

.bar-row {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: var(--text-body);
}

.bar-row span:first-child {
    width: 30px;
    text-align: right;
    font-weight: 600;
    font-size: 12px;
}

.bar-row span:last-child {
    width: 30px;
    font-size: 12px;
    color: var(--text-muted);
}

.bar-track {
    flex: 1;
    height: 8px;
    background: var(--border);
    border-radius: 4px;
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #F59E0B, #FBBF24);
    border-radius: 4px;
}

/* Review Cards */
.review-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border);
    margin-bottom: 14px;
}

.rc-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.rc-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), #5252B8);
    color: var(--white);
    font-size: 14px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.rc-meta {
    flex: 1;
}

.rc-meta strong {
    font-size: 14px;
    color: var(--text-dark);
    display: block;
}

.rc-date {
    font-size: 12px;
    color: var(--text-muted);
}

.rc-stars {
    font-size: 13px;
    color: #F59E0B;
    display: flex;
    gap: 2px;
}

.rc-verified {
    font-size: 11px;
    color: var(--success);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
}

.rc-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.rc-text {
    font-size: 13px;
    color: var(--text-body);
    line-height: 1.7;
    margin-bottom: 14px;
}

.rc-helpful {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    color: var(--text-muted);
}

.rc-helpful button {
    background: none;
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 4px 12px;
    font-size: 12px;
    color: var(--text-body);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all var(--transition);
    font-family: var(--font);
}

.rc-helpful button:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.load-more-btn {
    display: block;
    margin: 24px auto 0;
    padding: 12px 36px;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    font-family: var(--font);
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
}

/* Related Products */
.related-section {
    margin-bottom: 10px;
}

.related-section .products-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

/* =============================================
   RESPONSIVE — PRODUCT PAGE
   ============================================= */
@media (max-width: 1024px) {
    .product-top {
        gap: 28px;
    }

    .desc-content {
        grid-template-columns: 1fr 300px;
        gap: 28px;
    }

    .delivery-content {
        grid-template-columns: 1fr;
    }

    .pi-guarantees {
        grid-template-columns: 1fr;
    }

    .related-section .products-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .product-top {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .product-gallery {
        position: relative;
        top: auto;
    }

    .gallery-main img {
        height: 360px;
    }

    .pi-title {
        font-size: 22px;
    }

    .pi-price {
        font-size: 26px;
    }

    .pi-cart-row {
        flex-wrap: wrap;
    }

    .add-to-cart-btn,
    .btn-buy-now {
        flex: 1;
        min-width: 140px;
    }

    .desc-content {
        grid-template-columns: 1fr;
    }

    .desc-image {
        position: relative;
        top: auto;
    }

    .desc-features {
        grid-template-columns: 1fr;
    }

    .reviews-summary {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .rs-bars {
        padding: 0 20px;
    }

    .tab-btn {
        padding: 12px 18px;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .gallery-main img {
        height: 280px;
    }

    .thumb {
        width: 60px;
        height: 60px;
    }

    .pi-price-block {
        flex-wrap: wrap;
        gap: 8px;
    }

    .flash-sale-bar {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    .pi-cart-row {
        flex-direction: column;
    }

    .qty-control {
        width: 100%;
        justify-content: center;
    }

    .add-to-cart-btn,
    .btn-buy-now {
        width: 100%;
    }

    .pi-actions {
        flex-direction: column;
        gap: 12px;
    }

    .related-section .products-row {
        grid-template-columns: 1fr;
    }

    .rc-header {
        flex-direction: column;
        align-items: flex-start;
    }
}