.product-page-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

@media (min-width: 768px) {
    .product-page-container {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }
}

/* Image Gallery */
.product-gallery {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.main-image-container {
    width: 100%;
    aspect-ratio: 1;
    border-radius: var(--radius);
    overflow: hidden;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.main-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    cursor: zoom-in;
    transition: transform 0.3s ease;
}

.thumbnail-list {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
}

.thumbnail-item {
    width: 80px;
    height: 80px;
    flex-shrink: 0;
    border-radius: 8px;
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    opacity: 0.6;
    transition: all 0.2s ease;
}

.thumbnail-item:hover, .thumbnail-item.active {
    opacity: 1;
    border-color: var(--red-bright);
}

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

/* Product Info */
.product-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.product-title-large {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text);
    margin: 0;
    line-height: 1.2;
}

.product-price-large {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--red-bright);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.product-currency-large {
    font-size: 1.5rem;
}

.contact-seller-button {
    background: #25D366;
    color: white;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: 12px;
    text-align: center;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
    border: 2px solid rgba(37, 211, 102, 0.4);
    width: 100%;
}

.contact-seller-button:hover {
    background: #1EBE5A;
    color: #e0fff0;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

.contact-seller-button svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.product-meta-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    background: rgba(0,0,0,0.15);
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.meta-item {
    display: flex;
    flex-direction: column;
}

.meta-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.25rem;
}

.meta-value {
    font-weight: 600;
    color: var(--text);
}

.product-desc-section {
    margin-top: 1rem;
    line-height: 1.6;
    color: var(--text-sub);
    white-space: pre-wrap;
}

/* Admin Action overrides */
.admin-action-bar {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

/* Helper classes */
.max-w-1000 {
    max-width: 1000px;
}

.p-2rem {
    padding: 2rem;
}

.placeholder-svg {
    width: 80px; 
    height: 80px; 
    fill: rgba(255,255,255,0.1);
}