/* Gallery Page Styles - Artigea s.r.l. */

/* Gallery Page Layout */
.gallery-page {
    padding-top: 80px;
}

/* Gallery Hero Section */
.gallery-hero {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    padding: var(--spacing-16) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.gallery-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="white" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.gallery-hero__content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.gallery-hero__title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-6);
    color: white;
    line-height: 1.1;
}

.gallery-hero__description {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Gallery Filters */
.gallery-filters-section {
    padding: var(--spacing-12) 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.gallery__filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

.gallery__filter {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    background: var(--color-dark-lighter);
    color: var(--color-text);
    border: 2px solid var(--color-border);
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: var(--font-size-sm);
    min-height: 44px;
}

.gallery__filter:hover {
    background: var(--color-primary-subtle);
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.gallery__filter.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.gallery__filter i {
    font-size: var(--font-size-base);
}

/* Gallery Grid */
.gallery {
    padding: var(--spacing-20) 0;
    background: var(--color-dark-lighter);
}

.gallery__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-12);
    margin-bottom: var(--spacing-16);
    position: relative;
}

.gallery__item {
    background: var(--color-surface);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all var(--transition-normal);
    opacity: 1;
    transform: scale(1);
    box-shadow: var(--shadow-sm);
}

.gallery__item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.gallery__item.hidden {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}

.gallery__item.filtering {
    opacity: 0.5;
    pointer-events: none;
}

/* Before/After Container */
.before-after-container {
    position: relative;
    background: var(--color-dark-lighter);
}

.before-after-slider {
    position: relative;
    width: 100%;
    height: 300px;
    overflow: hidden;
    cursor: ew-resize;
    user-select: none;
    background: var(--color-dark-lighter);
}

.before-after-slider.dragging {
    cursor: ew-resize !important;
}

.before-image,
.after-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.before-image img,
.after-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    pointer-events: none;
}

/* The after image starts clipped to show only 50% */
.after-image {
    clip-path: inset(0 50% 0 0);
    overflow: hidden;
}

.image-label {
    position: absolute;
    top: var(--spacing-4);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: 20px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    z-index: 2;
    backdrop-filter: blur(4px);
}

.before-image .image-label {
    left: var(--spacing-4);
}

.after-image .image-label {
    right: var(--spacing-4);
}

.slider-handle {
    position: absolute;
    top: 0;
    left: 50%;
    width: 4px;
    height: 100%;
    background: var(--color-primary);
    transform: translateX(-50%);
    z-index: 3;
    cursor: ew-resize;
    box-shadow: 0 0 10px rgba(161, 78, 151, 0.5);
    pointer-events: none;
}

.slider-button {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-fast);
    cursor: ew-resize;
    pointer-events: none;
}

.slider-button:hover {
    background: var(--color-secondary);
    transform: translate(-50%, -50%) scale(1.1);
}

.slider-button::before {
    content: '⟷';
    font-size: var(--font-size-lg);
    font-weight: bold;
}

/* Smooth dragging cursor */
.before-after-slider.dragging * {
    cursor: ew-resize !important;
    pointer-events: none;
}

/* Gallery Item Info */
.gallery__item-info {
    padding: var(--spacing-6);
}

.gallery__item-info h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-3);
    font-size: var(--font-size-lg);
}

.gallery__item-info p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-4);
    line-height: 1.6;
}

.gallery__item-meta {
    display: flex;
    gap: var(--spacing-4);
    align-items: center;
    flex-wrap: wrap;
}

.gallery__category {
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: 12px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.gallery__location {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
}

.gallery__location::before {
    content: '📍';
    font-size: var(--font-size-xs);
}

.gallery__date {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
}

.gallery__date::before {
    content: '📅';
    font-size: var(--font-size-xs);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-16) var(--spacing-8);
    color: var(--color-text-muted);
    display: none;
    background: var(--color-surface);
    border-radius: 16px;
    border: 2px dashed var(--color-border);
}

.empty-state.show {
    display: block;
}

.empty-state i {
    font-size: 4rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-4);
    opacity: 0.5;
}

.empty-state h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-4);
    font-size: var(--font-size-xl);
}

.empty-state p {
    margin-bottom: var(--spacing-6);
    font-size: var(--font-size-lg);
}

/* Loading State */
.loading-state {
    text-align: center;
    padding: var(--spacing-16) var(--spacing-8);
    color: var(--color-text-muted);
    display: none;
}

.loading-state.show {
    display: block;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top: 3px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-4);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Gallery CTA */
.gallery-cta {
    padding: var(--spacing-16) 0;
    background: var(--color-primary-subtle);
}

.gallery__cta {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    padding: var(--spacing-12);
    border-radius: 16px;
    text-align: center;
    color: white;
}

.gallery__cta h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-4);
    color: white;
}

.gallery__cta p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-8);
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.gallery__cta-actions {
    display: flex;
    gap: var(--spacing-4);
    justify-content: center;
    flex-wrap: wrap;
}

.gallery__cta .btn--outline {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.gallery__cta .btn--outline:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: white;
    transform: translateY(-2px);
}

/* Mobile Responsive */
@media (max-width: 767px) {
    .gallery-page {
        padding-top: 70px;
    }
    
    .gallery-hero {
        padding: var(--spacing-12) 0;
    }
    
    .gallery-hero__title {
        font-size: var(--font-size-2xl);
    }
    
    .gallery-hero__description {
        font-size: var(--font-size-base);
    }
    
    .gallery-filters-section {
        padding: var(--spacing-8) 0;
    }
    
    .gallery__filters {
        gap: var(--spacing-2);
        margin-bottom: var(--spacing-8);
    }
    
    .gallery__filter {
        padding: var(--spacing-2) var(--spacing-4);
        font-size: var(--font-size-xs);
        flex-direction: column;
        gap: var(--spacing-1);
        min-width: 80px;
    }
    
    .gallery__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
    }
    
    .before-after-slider {
        height: 250px;
    }
    
    .gallery__item-info {
        padding: var(--spacing-4);
    }
    
    .gallery__item-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-2);
    }
    
    .gallery__cta {
        padding: var(--spacing-8);
    }
    
    .gallery__cta h3 {
        font-size: var(--font-size-xl);
    }
    
    .gallery__cta p {
        font-size: var(--font-size-base);
    }
    
    .gallery__cta-actions {
        flex-direction: column;
        gap: var(--spacing-3);
    }
    
    .gallery__cta-actions .btn {
        width: 100%;
    }
    
    .slider-button {
        width: 35px;
        height: 35px;
    }
    
    .image-label {
        font-size: var(--font-size-xs);
        padding: var(--spacing-1) var(--spacing-3);
    }
}

/* Tablet Responsive */
@media (min-width: 768px) and (max-width: 1023px) {
    .gallery__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-10);
    }
    
    .gallery__filters {
        gap: var(--spacing-3);
    }
    
    .gallery__filter {
        padding: var(--spacing-2) var(--spacing-4);
        font-size: var(--font-size-sm);
    }
}

/* Animation for filter transitions */
.gallery__item {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

/* Accessibility improvements */
.gallery__filter:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.before-after-slider:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .gallery__item {
        border-width: 2px;
    }
    
    .image-label {
        background: rgba(0, 0, 0, 0.9);
        border: 1px solid white;
    }
    
    .slider-handle {
        box-shadow: 0 0 0 2px white;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .gallery__item,
    .after-image,
    .slider-button,
    .slider-handle {
        transition: none;
    
    .gallery__item:hover {
        transform: none;
    }
    
    .loading-spinner {
        animation: none;
    }
}

/* Print styles */
@media print {
    .gallery-hero,
    .gallery-filters-section,
    .gallery-cta,
    .footer {
        display: none !important;
    }
    
    .gallery__item {
        break-inside: avoid;
        margin-bottom: var(--spacing-4);
    }
    
    .before-after-slider {
        height: auto;
    }
    
    /* For print, show both images stacked */
    .before-image,
    .after-image {
        position: relative;
        height: auto;
        margin-bottom: var(--spacing-2);
    }
    
    .after-image {
        clip-path: none;
    }
    
    .slider-handle {
        display: none;
    }
}
}