/* Gallery Styles */

.gallery-container {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: var(--spacing-md);
    padding-top: calc(var(--header-height) + var(--spacing-md));
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--gallery-gap);
    margin-top: var(--spacing-md);
}

.gallery-item {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: var(--border-radius);
    cursor: pointer;
    opacity: 0;
    transform: scale(0.95);
    transition: transform var(--transition-speed) ease, 
                opacity var(--transition-speed) ease;
}

.gallery-item.loaded {
    opacity: 1;
    transform: scale(1);
}

.gallery-item:hover {
    transform: scale(1.02);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-speed) ease;
}

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

/* Lightbox Styles */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    opacity: 0;
    transition: opacity var(--transition-speed) ease;
}

.lightbox.active {
    display: flex;
    opacity: 1;
}

.lightbox-content {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-image {
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
    transform: scale(0.95);
    transition: transform var(--transition-speed) ease;
}

.lightbox.active .lightbox-image {
    transform: scale(1);
}

/* Lightbox Navigation and Controls */
#lightbox .lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 var(--spacing-md);
    box-sizing: border-box;
    pointer-events: none;
    z-index: 1001;
}

#lightbox .lightbox-button {
    position: relative;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    color: rgba(255, 255, 255, 0.9);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    pointer-events: auto;
    backdrop-filter: blur(4px);
    padding: 0;
    margin: 0;
    outline: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

#lightbox .lightbox-button svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
    transition: transform 0.2s ease;
}

#lightbox .lightbox-button:hover {
    color: white;
    background: rgba(0, 0, 0, 0.7);
    transform: scale(1.05);
}

#lightbox .lightbox-button:hover svg {
    transform: scale(1.1);
}

#lightbox .lightbox-button:active {
    transform: scale(0.95);
}

#lightbox .lightbox-controls {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    display: flex;
    gap: var(--spacing-sm);
    z-index: 1001;
}

#lightbox .lightbox-control-button {
    position: relative;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    color: rgba(255, 255, 255, 0.9);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    backdrop-filter: blur(4px);
    padding: 0;
    margin: 0;
    outline: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

#lightbox .lightbox-control-button svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
    transition: transform 0.2s ease;
}

#lightbox .lightbox-control-button:hover {
    color: white;
    background: rgba(0, 0, 0, 0.7);
    transform: scale(1.05);
}

#lightbox .lightbox-control-button:hover svg {
    transform: scale(1.1);
}

#lightbox .lightbox-control-button:active {
    transform: scale(0.95);
}

#lightbox .share-tooltip {
    position: absolute;
    top: calc(100% + 8px);
    right: 50%;
    transform: translateX(50%) translateY(-10px);
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 0.875rem;
    opacity: 0;
    transition: all 0.2s ease;
    pointer-events: none;
    white-space: nowrap;
    backdrop-filter: blur(4px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    z-index: 1002;
}

#lightbox .lightbox-control-button:hover .share-tooltip {
    opacity: 1;
    transform: translateX(50%) translateY(0);
    pointer-events: auto;
}

/* Error States */
.error-message {
    text-align: center;
    color: var(--text-color);
    padding: var(--spacing-lg);
    background: var(--subtle-color);
    border-radius: var(--border-radius);
    margin: var(--spacing-lg) 0;
}

.gallery-item.error {
    background-color: var(--subtle-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
    font-size: 0.9rem;
    text-align: center;
    padding: var(--spacing-md);
}

.gallery-item.error::after {
    content: 'Failed to load image';
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: var(--spacing-sm);
    }

    .lightbox-button {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }

    .lightbox-control-button {
        width: 36px;
        height: 36px;
        font-size: 1.125rem;
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: var(--spacing-xs);
    }

    .lightbox-button {
        width: 36px;
        height: 36px;
        font-size: 1.125rem;
    }

    .lightbox-control-button {
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }
}