/* ========================================
   GALLERY COMPONENT - BEM METHODOLOGY
   ======================================== */

/* ===== GALLERY CONTAINER ===== */
.gallery {
    position: relative;
}

.gallery__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    padding: 0;
    margin: 0;
}

/* ===== GALLERY ITEM ===== */
.gallery__item {
    position: relative;
    background-color: var(--color-bg-primary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(139, 69, 19, 0.15);
    transition: all var(--transition-normal);
    cursor: pointer;
    user-select: none;
    border: 2px solid transparent;
}

.gallery__item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 24px rgba(139, 69, 19, 0.25);
    border-color: var(--color-accent);
}

.gallery__item:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.gallery__item:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* ===== GALLERY IMAGE CONTAINER ===== */
.gallery__image-container {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.gallery__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
    filter: grayscale(100%);
}

.gallery__item:hover .gallery__image {
    transform: scale(1.1);
    filter: grayscale(0%);
}

/* ===== GALLERY OVERLAY ===== */
.gallery__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        transparent 40%,
        rgba(0, 0, 0, 0.7) 100%
    );
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-lg);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 1;
}

.gallery__item:hover .gallery__overlay {
    opacity: 1;
}

.gallery__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

.gallery__description {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    opacity: 0.9;
    line-height: var(--line-height-normal);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

/* ===== GALLERY LOADING STATES ===== */
.gallery__item--loading {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.gallery__item--loading .gallery__image {
    opacity: 0;
}

/* ===== GALLERY LAZY LOADING ===== */
.gallery__image[data-src] {
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.gallery__image[data-src].loaded {
    opacity: 1;
}

/* ===== GALLERY EMPTY STATE ===== */
.gallery__empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-4xl) var(--spacing-xl);
    color: var(--color-text-secondary);
}

.gallery__empty-icon {
    font-size: var(--font-size-5xl);
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.gallery__empty-title {
    font-size: var(--font-size-2xl);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

.gallery__empty-description {
    font-size: var(--font-size-lg);
    max-width: 500px;
    margin: 0 auto;
}

/* ===== GALLERY FILTERS ===== */
.gallery__filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    justify-content: center;
}

.gallery__filter {
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    border: 2px solid var(--color-primary);
    border-radius: var(--border-radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: var(--font-weight-medium);
}

.gallery__filter:hover,
.gallery__filter:focus {
    background-color: var(--color-primary);
    color: var(--color-text-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.gallery__filter--active {
    background-color: var(--color-primary);
    color: var(--color-text-light);
}

.gallery__filter:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* ===== GALLERY PAGINATION ===== */
.gallery__pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-2xl);
}

.gallery__pagination-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    border: 1px solid var(--color-primary);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: var(--font-weight-medium);
}

.gallery__pagination-btn:hover,
.gallery__pagination-btn:focus {
    background-color: var(--color-primary);
    color: var(--color-text-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.gallery__pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.gallery__pagination-btn--active {
    background-color: var(--color-primary);
    color: var(--color-text-light);
}

.gallery__pagination-info {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin: 0 var(--spacing-lg);
}

/* ===== GALLERY SEARCH ===== */
.gallery__search {
    max-width: 400px;
    margin: 0 auto var(--spacing-2xl);
    position: relative;
}

.gallery__search-input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg) var(--spacing-md) var(--spacing-3xl);
    border: 2px solid var(--color-primary);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-base);
    background-color: var(--color-bg-primary);
    transition: all var(--transition-fast);
}

.gallery__search-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

.gallery__search-icon {
    position: absolute;
    left: var(--spacing-lg);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-secondary);
    font-size: var(--font-size-lg);
    pointer-events: none;
}

.gallery__search-clear {
    position: absolute;
    right: var(--spacing-lg);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    font-size: var(--font-size-lg);
    padding: var(--spacing-xs);
    border-radius: var(--border-radius-full);
    transition: all var(--transition-fast);
    opacity: 0;
    visibility: hidden;
}

.gallery__search-clear--visible {
    opacity: 1;
    visibility: visible;
}

.gallery__search-clear:hover,
.gallery__search-clear:focus {
    background-color: var(--color-bg-secondary);
    color: var(--color-text-primary);
}

/* ===== GALLERY ANIMATIONS ===== */
.gallery__item {
    animation: fadeInUp 0.6s ease-out;
}

.gallery__item:nth-child(1) { animation-delay: 0.1s; }
.gallery__item:nth-child(2) { animation-delay: 0.2s; }
.gallery__item:nth-child(3) { animation-delay: 0.3s; }
.gallery__item:nth-child(4) { animation-delay: 0.4s; }
.gallery__item:nth-child(5) { animation-delay: 0.5s; }
.gallery__item:nth-child(6) { animation-delay: 0.6s; }
.gallery__item:nth-child(7) { animation-delay: 0.7s; }
.gallery__item:nth-child(8) { animation-delay: 0.8s; }
.gallery__item:nth-child(9) { animation-delay: 0.9s; }
.gallery__item:nth-child(10) { animation-delay: 1.0s; }
.gallery__item:nth-child(11) { animation-delay: 1.1s; }
.gallery__item:nth-child(12) { animation-delay: 1.2s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== GALLERY ACCESSIBILITY ===== */
.gallery__item[aria-hidden="true"] {
    display: none;
}

.gallery__item:focus-within {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* ===== GALLERY KEYBOARD NAVIGATION ===== */
.gallery__item:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.gallery__item:focus .gallery__overlay {
    opacity: 1;
}

/* ===== GALLERY PRINT STYLES ===== */
@media print {
    .gallery__overlay {
        opacity: 1;
        background: rgba(0, 0, 0, 0.8);
    }
    
    .gallery__item {
        break-inside: avoid;
        page-break-inside: avoid;
    }
    
    .gallery__item:hover {
        transform: none;
    }
}