/* ========================================
   Product Detail Page Styles
   ======================================== */

.product-page {
    padding-top: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
    min-height: 80vh;
}

.product-layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

@media (max-width: 992px) {
    .product-layout {
        grid-template-columns: 1fr;
    }
}

/* Product Media Gallery */
.product-media {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--color-bg-secondary);
    box-shadow: var(--shadow-lg);
    aspect-ratio: 4/3;
}

.media-container {
    width: 100%;
    height: 100%;
    position: relative;
}

.media-image, .media-3d {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transition: opacity var(--transition-base), transform var(--transition-base);
}

.media-image {
    object-fit: cover;
    z-index: 1;
}

.media-3d {
    z-index: 2;
    opacity: 0;
    pointer-events: none;
    background: radial-gradient(circle at center, rgba(255,255,255,0.8) 0%, rgba(245,240,235,0.2) 100%);
}

.media-3d model-viewer {
    width: 100%;
    height: 100%;
    --poster-color: transparent;
}

/* 3D Toggle Active State */
.product-media.show-3d .media-image {
    opacity: 0;
    transform: scale(0.95);
    pointer-events: none;
}

.product-media.show-3d .media-3d {
    opacity: 1;
    pointer-events: auto;
}

.btn-3d-toggle {
    position: absolute;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    z-index: 10;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 30px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--color-primary);
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
}

.btn-3d-toggle:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
}

/* Product Info Container */
.product-info-container {
    position: sticky;
    top: 100px;
}

.breadcrumb {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.breadcrumb a {
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

.product-title {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.product-price-large {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.product-price-large .original {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    text-decoration: line-through;
    font-weight: 500;
}

.product-description {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--spacing-xl);
}

/* Add to Cart Area */
.add-to-cart-area {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

@media (max-width: 480px) {
    .add-to-cart-area {
        flex-direction: column;
    }
}

.quantity-wrapper {
    display: flex;
    align-items: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-primary);
    height: 50px;
}

.quantity-wrapper button {
    width: 40px;
    height: 100%;
    background: transparent;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--color-text-secondary);
    transition: background var(--transition-fast);
}

.quantity-wrapper button:hover {
    background: var(--color-border);
    color: var(--color-primary);
}

.quantity-wrapper input {
    width: 50px;
    height: 100%;
    border: none;
    border-left: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border);
    text-align: center;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--color-primary);
    background: transparent;
    -moz-appearance: textfield;
}

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

.btn-add-cart {
    flex: 1;
    height: 50px;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.stock-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.stock-status.in-stock::before {
    content: '';
    display: block;
    width: 10px;
    height: 10px;
    background: #10b981;
    border-radius: 50%;
}

.stock-status.out-of-stock::before {
    content: '';
    display: block;
    width: 10px;
    height: 10px;
    background: #ef4444;
    border-radius: 50%;
}

/* Glassmorphic Features Box */
.product-features {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.feature-list {
    list-style: none;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
    font-weight: 500;
}

.feature-list li svg {
    color: var(--color-accent);
}