/* ==========================================================================
   Single Product Page — Polished
   ========================================================================== */

.gm-single-product {
    padding-top: var(--gm-gap-md);
    padding-bottom: var(--gm-gap-2xl);
    background: #fff;
    min-height: 80vh;
}

/* ---------- Layout ---------- */
.gm-single-product-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--gm-gap-xl);
    align-items: start;
}

.gm-single-product-gallery {
    position: sticky;
    top: calc(var(--gm-header-h) + 20px);
}

/* ---------- Gallery ---------- */
.gm-gallery-main {
    border-radius: var(--gm-radius-lg);
    overflow: hidden;
    background: var(--gm-bg-light);
    margin-bottom: var(--gm-gap-sm);
    border: 1px solid var(--gm-border-light);
}

.gm-gallery-main-image {
    width: 100%;
    aspect-ratio: 1;
    object-fit: contain;
    cursor: zoom-in;
    transition: opacity 0.3s ease;
    padding: var(--gm-gap-md);
}

.gm-gallery-main-link {
    display: block;
}

.gm-gallery-thumbs {
    display: flex;
    gap: var(--gm-gap-xs);
    overflow-x: auto;
    padding: 2px;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.gm-gallery-thumbs::-webkit-scrollbar {
    display: none;
}

.gm-gallery-thumb {
    width: 68px;
    height: 68px;
    flex-shrink: 0;
    border-radius: var(--gm-radius-sm);
    overflow: hidden;
    border: 2px solid var(--gm-border-light);
    cursor: pointer;
    opacity: 0.6;
    transition: opacity var(--gm-transition), border-color var(--gm-transition), transform var(--gm-transition);
    background: var(--gm-bg-light);
}

.gm-gallery-thumb:hover {
    opacity: 0.85;
    border-color: var(--gm-border-hover);
}

.gm-gallery-thumb.is-active {
    opacity: 1;
    border-color: var(--gm-primary);
}

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


/* ---------- Product Details ---------- */

/* Meta row */
.gm-product-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.gm-product-meta-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.gm-product-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--gm-text-muted);
    background: var(--gm-bg-light);
    padding: 5px 10px;
    border-radius: var(--gm-radius-full);
    border: 1px solid var(--gm-border-light);
}

.gm-product-meta-item svg {
    opacity: 0.5;
}

.gm-product-meta-item + .gm-product-meta-item::before {
    display: none;
}

/* Action buttons (fav, share) */
.gm-product-meta-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.gm-sp-action-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--gm-border-light);
    background: var(--gm-bg-light);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--gm-text-muted);
    cursor: pointer;
    transition: border-color var(--gm-transition), color var(--gm-transition), background var(--gm-transition), transform 200ms ease;
}

.gm-sp-action-btn:hover {
    border-color: var(--gm-border-hover);
    color: var(--gm-text);
    background: var(--gm-bg-muted);
}

.gm-sp-action-btn.is-active {
    color: var(--gm-danger);
    border-color: rgba(239, 68, 68, 0.15);
    background: rgba(239, 68, 68, 0.06);
}

.gm-sp-action-btn.is-copied {
    color: var(--gm-success);
    border-color: rgba(22, 163, 74, 0.15);
    background: rgba(22, 163, 74, 0.06);
}

/* Title */
.gm-sp-title {
    font-size: 1.625rem;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
    color: var(--gm-text);
}

/* Price */
.gm-sp-price {
    display: flex;
    align-items: baseline;
    gap: 6px;
    font-size: 1.75rem;
    font-weight: 900;
    color: var(--gm-primary);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.gm-sp-price-currency {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gm-text-muted);
}

.gm-sp-price-na {
    font-size: 1rem;
    font-weight: 500;
    color: var(--gm-text-muted);
}

/* Divider */
.gm-sp-divider {
    height: 1px;
    background: var(--gm-border-light);
    margin-bottom: 20px;
}

/* Short description */
.gm-sp-description {
    font-size: 0.875rem;
    color: var(--gm-text-light);
    line-height: 1.7;
    margin-bottom: 20px;
    padding: 14px 16px;
    background: var(--gm-bg-light);
    border-radius: var(--gm-radius-sm);
    border-left: 3px solid var(--gm-accent);
}

.gm-sp-description p:last-child {
    margin-bottom: 0;
}


/* ==========================================================================
   Attributes — Compact Box Grid
   ========================================================================== */
.gm-product-attrs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-bottom: 20px;
}

.gm-attr-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 2px;
    padding: 10px 12px;
    background: var(--gm-bg-light);
    border: 1px solid var(--gm-border-light);
    border-radius: var(--gm-radius-sm);
    transition: border-color var(--gm-transition);
}

.gm-attr-box:hover {
    border-color: var(--gm-border-hover);
}

.gm-attr-label {
    font-size: 0.625rem;
    font-weight: 600;
    color: var(--gm-text-muted);
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.gm-attr-value {
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--gm-text);
}


/* ==========================================================================
   Vendor Card — Dark Teal on Single Product
   ========================================================================== */
.gm-single-product-details .gm-vendor-card {
    border-radius: var(--gm-radius);
    padding: 18px 20px;
    background: linear-gradient(135deg, #0C3130 0%, #164544 100%);
    border: none;
    color: #fff;
    transition: transform var(--gm-transition);
}

.gm-single-product-details .gm-vendor-card:hover {
    border-color: transparent;
}

.gm-single-product-details .gm-vendor-avatar {
    border-color: rgba(255, 255, 255, 0.2);
    width: 46px;
    height: 46px;
}

.gm-single-product-details .gm-vendor-name {
    color: #fff;
    font-size: 0.9375rem;
}

.gm-single-product-details .gm-vendor-name:hover {
    color: var(--gm-accent);
}

.gm-single-product-details .gm-vendor-verified {
    background: var(--gm-accent-dark);
    color: #fff;
}

.gm-single-product-details .gm-vendor-stats {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.75rem;
}

.gm-single-product-details .gm-vendor-phone-btn {
    background: rgba(255, 188, 125, 0.12);
    border-color: rgba(255, 188, 125, 0.25);
    color: var(--gm-accent);
    font-weight: 600;
    font-size: 0.8125rem;
    padding: 8px 16px;
}

.gm-single-product-details .gm-vendor-phone-btn:hover {
    background: rgba(255, 188, 125, 0.2);
    border-color: rgba(255, 188, 125, 0.4);
    color: var(--gm-accent);
}

.gm-single-product-details .gm-vendor-phone-btn.gm-phone-revealed {
    background: rgba(255, 188, 125, 0.15);
    border-color: rgba(255, 188, 125, 0.3);
    color: var(--gm-accent);
}

.gm-single-product-details .gm-vendor-phone-reveal-label {
    background: none;
    color: var(--gm-accent);
    font-size: 0.8125rem;
    font-weight: 600;
    padding: 0;
    margin-left: 2px;
}

.gm-vendor-phone-icon {
    font-style: normal;
    display: inline-flex;
    align-items: center;
}


/* ==========================================================================
   Related Products
   ========================================================================== */
.gm-related {
    margin-top: var(--gm-gap-2xl);
    padding-top: var(--gm-gap-xl);
}

.gm-related-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: var(--gm-gap);
    margin-bottom: var(--gm-gap-md);
    border-bottom: 1px solid var(--gm-border-light);
    position: relative;
}

.gm-related-header::before {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--gm-primary);
    border-radius: 2px;
    z-index: 1;
}

.gm-related-title {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.gm-related-nav {
    display: flex;
    align-items: center;
    gap: 6px;
}

.gm-related-prev,
.gm-related-next {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--gm-border);
    background: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--gm-text-light);
    cursor: pointer;
    transition: border-color var(--gm-transition), color var(--gm-transition), background var(--gm-transition), transform var(--gm-transition);
}

.gm-related-prev:hover {
    border-color: var(--gm-border-hover);
    color: var(--gm-text);
}

.gm-related-next {
    background: var(--gm-primary);
    border-color: var(--gm-primary);
    color: #fff;
}

.gm-related-next:hover {
    background: var(--gm-primary-hover);
    border-color: var(--gm-primary-hover);
    color: #fff;
}

.gm-related-prev:active,
.gm-related-next:active {
    transform: scale(0.95);
}

.gm-related-grid {
    display: flex;
    gap: var(--gm-gap-md);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
    margin: -6px;
    padding: 6px;
}

.gm-related-grid::-webkit-scrollbar {
    display: none;
}

.gm-related-grid > .gm-product-card {
    flex: 0 0 calc(20% - 20px);
    min-width: 200px;
    scroll-snap-align: start;
}


/* ==========================================================================
   Breadcrumb
   ========================================================================== */
.gm-single-product .gm-breadcrumb {
    margin-bottom: var(--gm-gap-md);
}

.gm-single-product .gm-breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 6px;
    list-style: none;
    font-size: 0.8125rem;
    color: var(--gm-text-muted);
    flex-wrap: wrap;
}

.gm-single-product .gm-breadcrumb-item a {
    color: var(--gm-text-muted);
    transition: color var(--gm-transition);
}

.gm-single-product .gm-breadcrumb-item a:hover {
    color: var(--gm-primary);
}

.gm-single-product .gm-breadcrumb-current,
.gm-single-product .gm-breadcrumb-item:last-child {
    color: var(--gm-text);
    font-weight: 600;
}

.gm-single-product .gm-breadcrumb-sep {
    color: var(--gm-border-hover);
    font-size: 0.75rem;
}


/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
    .gm-single-product-layout {
        gap: var(--gm-gap-lg);
    }

    .gm-gallery-thumb {
        width: 58px;
        height: 58px;
    }

    .gm-sp-title {
        font-size: 1.375rem;
    }

    .gm-sp-price {
        font-size: 1.5rem;
    }
}

@media (max-width: 767px) {
    .gm-single-product {
        padding-top: var(--gm-gap);
        padding-bottom: var(--gm-gap-xl);
    }

    .gm-single-product-layout {
        grid-template-columns: 1fr;
        gap: var(--gm-gap-md);
    }

    .gm-single-product-gallery {
        position: static;
    }

    .gm-gallery-main {
        border-radius: var(--gm-radius);
    }

    .gm-gallery-main-image {
        padding: var(--gm-gap);
    }

    .gm-gallery-thumb {
        width: 52px;
        height: 52px;
    }

    .gm-product-meta {
        margin-bottom: var(--gm-gap);
    }

    .gm-product-meta-item {
        font-size: 0.6875rem;
        padding: 4px 8px;
    }

    .gm-sp-action-btn {
        width: 32px;
        height: 32px;
    }

    .gm-sp-action-btn svg {
        width: 14px;
        height: 14px;
    }

    .gm-sp-title {
        font-size: 1.25rem;
        margin-bottom: 6px;
    }

    .gm-sp-price {
        font-size: 1.375rem;
        margin-bottom: var(--gm-gap);
    }

    .gm-sp-price-currency {
        font-size: 0.875rem;
    }

    .gm-sp-description {
        padding: 12px 14px;
        font-size: 0.8125rem;
        margin-bottom: var(--gm-gap);
    }

    .gm-product-attrs {
        gap: 6px;
        margin-bottom: var(--gm-gap);
    }

    .gm-attr-box {
        padding: 10px 10px;
    }

    .gm-attr-label {
        font-size: 0.5625rem;
    }

    .gm-attr-value {
        font-size: 0.75rem;
    }

    .gm-single-product-details .gm-vendor-card {
        padding: 14px 16px;
    }

    .gm-single-product-details .gm-vendor-avatar {
        width: 40px;
        height: 40px;
    }

    .gm-related {
        margin-top: var(--gm-gap-xl);
        padding-top: var(--gm-gap-lg);
    }

    .gm-related-grid {
        gap: var(--gm-gap);
    }

    .gm-related-grid > .gm-product-card {
        flex: 0 0 calc(33.333% - 12px);
        min-width: 180px;
    }

    .gm-related-title {
        font-size: 1.125rem;
    }

    .gm-related-nav {
        display: none;
    }
}

@media (max-width: 480px) {
    .gm-single-product {
        padding-top: var(--gm-gap-sm);
    }

    .gm-gallery-main {
        border-radius: var(--gm-radius-sm);
    }

    .gm-gallery-thumb {
        width: 46px;
        height: 46px;
        border-radius: 6px;
    }

    .gm-product-meta-left {
        gap: 4px;
    }

    .gm-product-meta-item {
        font-size: 0.625rem;
        padding: 3px 6px;
        gap: 3px;
    }

    .gm-sp-title {
        font-size: 1.125rem;
    }

    .gm-sp-price {
        font-size: 1.25rem;
    }

    .gm-product-attrs {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
    }

    .gm-attr-box {
        padding: 8px 8px;
    }

    .gm-single-product-details .gm-vendor-card {
        flex-direction: column;
        align-items: stretch;
    }

    .gm-single-product-details .gm-vendor-phone-btn {
        justify-content: center;
        width: 100%;
        padding: 8px 14px;
    }

    .gm-related-grid {
        gap: var(--gm-gap-sm);
    }

    .gm-related-grid > .gm-product-card {
        flex: 0 0 calc(50% - 6px);
        min-width: 150px;
    }
}