/* 3D Gallery styles with category preview grid */

.gallery-3d-container {
    padding: 70px 0px 40px;
    background-color: #fff;
    min-height: 100vh;
}

/* Back Button*/
.asset-container {
    display: none;
}

.back-button {
    position: fixed;
    top: 20px;
    left: 20px;
    background: transparent;
    color: rgba(228, 61, 18, 0.9);
    border: none;
    padding: 0;
    cursor: pointer;
    font-size: 1.2rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s ease;
    z-index: 102;
}
.back-button:hover {
    color: rgba(228, 61, 18, 1);
}

/* Category Grid Layout */
.category-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    padding: 0;
    margin: 0;
    width: 100%;
    max-width: 100%;
}

.category-item {
    position: relative;
    overflow: hidden;
    background-color: #fff;
    transition: opacity 0.3s ease;
    border-radius: 0;
    box-shadow: none;
    cursor: pointer;
    aspect-ratio: 1/1;
}

.category-item:hover {
    opacity: 0.9;
}

.category-image {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.category-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.category-item:hover .category-image img {
    transform: scale(1.05);
}

/* Category Title Overlay */
.category-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.1) 0%, rgba(0, 0, 0, 0.8) 100%);
    transition: transform 0.5s ease;
    pointer-events: none;
}

.category-title {
    font-family: 'Comfortaa', sans-serif;
    font-size: 2.2rem;
    font-weight: 700;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 3px;
    text-align: center;
    margin: 0;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.8);
    transition: transform 0.5s ease;
}

/* Header will use existing header.css styles - no overrides needed */

/* Asset Grid for Individual Category Views */
.asset-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    padding: 0;
    margin: 0;
    width: 100%;
    max-width: 100%;
}

.asset-item {
    overflow: hidden;
    background-color: #fff;
    transition: opacity 0.3s ease;
    border-radius: 0;
    box-shadow: none;
    position: relative;
    cursor: pointer;
}

.asset-item:hover {
    opacity: 0.9;
}

.asset-image {
    width: 100%;
    aspect-ratio: 1/1;
    overflow: hidden;
}

.asset-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.asset-item:hover .asset-image img {
    transform: scale(1.05);
}

/* Loading and error states */
.loading {
    text-align: center;
    padding: 50px 0;
    color: #000;
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    grid-column: 1 / -1;
}

.error-message {
    text-align: center;
    padding: 30px;
    color: #000;
    max-width: 600px;
    margin: 0 auto;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 0.9rem;
    grid-column: 1 / -1;
}

/* Full-page Preview Modal */
.preview-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 1000;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.preview-modal.active {
    display: block;
    opacity: 1;
}

.preview-close {
    position: absolute;
    top: 20px;
    right: 20px;
    color: white;
    font-size: 40px;
    cursor: pointer;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1002;
    transition: opacity 0.3s ease;
}

.preview-close:hover {
    opacity: 0.7;
}

.preview-nav-left,
.preview-nav-right {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: white;
    font-size: 60px;
    cursor: pointer;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1002;
    transition: opacity 0.3s ease;
    user-select: none;
}

.preview-nav-left {
    left: 20px;
}

.preview-nav-right {
    right: 20px;
}

.preview-nav-left:hover,
.preview-nav-right:hover {
    opacity: 0.7;
}

.preview-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: calc(100% - 120px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.preview-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: opacity 0.3s ease;
}

.preview-thumbnails {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 120px;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 20px;
    overflow-x: auto;
    z-index: 1001;
}

.preview-thumbnail {
    width: 80px;
    height: 80px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color 0.3s ease, opacity 0.3s ease;
    flex-shrink: 0;
}

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

.preview-thumbnail:hover {
    border-color: rgba(255, 255, 255, 0.5);
}

.preview-thumbnail.active {
    border-color: white;
}

.preview-thumbnail:not(.active) {
    opacity: 0.7;
}

/* Responsive adjustments */
@media (max-width: 1200px) {
    .category-grid,
    .asset-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .category-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .category-grid,
    .asset-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .category-title {
        font-size: 1.2rem;
        letter-spacing: 1px;
    }
    
    .preview-close {
        top: 10px;
        right: 10px;
        font-size: 30px;
        width: 40px;
        height: 40px;
    }
    
    .preview-nav-left,
    .preview-nav-right {
        font-size: 40px;
        width: 60px;
        height: 60px;
    }
    
    .preview-nav-left {
        left: 10px;
    }
    
    .preview-nav-right {
        right: 10px;
    }
    
    .preview-thumbnails {
        height: 100px;
        padding: 15px;
    }
    
    .preview-thumbnail {
        width: 60px;
        height: 60px;
    }
    
    .preview-content {
        height: calc(100% - 100px);
    }
}

@media (max-width: 480px) {
    .gallery-3d-container {
        padding: 60px 0 20px;
    }
    
    .category-title {
        font-size: 1rem;
        letter-spacing: 1px;
    }
    
    .preview-thumbnails {
        height: 80px;
        padding: 10px;
        gap: 8px;
    }
    
    .preview-thumbnail {
        width: 50px;
        height: 50px;
    }
    
    .preview-content {
        height: calc(100% - 80px);
        padding: 15px;
    }
}

/* Scrollbar styling for thumbnails */
.preview-thumbnails::-webkit-scrollbar {
    height: 6px;
}

.preview-thumbnails::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
}

.preview-thumbnails::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 3px;
}

.preview-thumbnails::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}