/**
 * Gallery Specific Styles
 * Before/After Image Slider and Gallery Functionality
 */

/* Filter Buttons */
.filter-btn {
    @apply px-6 py-3 rounded-full border-2 border-gray-300 text-gray-600 font-medium transition-all duration-300 hover:border-indigo-500 hover:text-indigo-600 bg-white;
}

.filter-btn.active {
    @apply bg-gradient-to-r from-indigo-600 to-purple-600 text-white border-transparent shadow-lg;
}

.filter-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Gallery Items */
.gallery-item {
    opacity: 1;
    transform: scale(1);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.gallery-item.fade-out {
    opacity: 0;
    transform: scale(0.9);
}

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

/* Transform Cards */
.transform-card {
    @apply bg-white rounded-2xl shadow-lg overflow-hidden transition-all duration-300 hover:shadow-2xl;
    transform: translateY(0);
}

.transform-card:hover {
    transform: translateY(-8px);
}

/* Before/After Container */
.before-after-container {
    position: relative;
    height: 256px;
    overflow: hidden;
    background: #f3f4f6;
    cursor: grab;
}

.before-after-container:active {
    cursor: grabbing;
}

.image-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.image-wrapper.before {
    clip-path: polygon(0 0, 50% 0, 50% 100%, 0 100%);
    transition: clip-path 0.3s ease;
}

.image-wrapper.after {
    clip-path: polygon(50% 0, 100% 0, 100% 100%, 50% 100%);
    transition: clip-path 0.3s ease;
}

.image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.transform-card:hover .image-wrapper img {
    transform: scale(1.05);
}

/* Image Labels */
.image-label {
    position: absolute;
    top: 12px;
    padding: 4px 12px;
    background: rgba(0, 0, 0, 0.8);
    color: white;
    font-size: 12px;
    font-weight: 600;
    border-radius: 12px;
    backdrop-filter: blur(4px);
    letter-spacing: 0.5px;
}

.image-wrapper.before .image-label {
    left: 12px;
}

.image-wrapper.after .image-label {
    right: 12px;
}

/* Slider Handle */
.slider-handle {
    position: absolute;
    top: 0;
    left: 50%;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, #4f46e5, #7c3aed);
    transform: translateX(-50%);
    cursor: ew-resize;
    transition: all 0.3s ease;
    z-index: 10;
}

.slider-handle:hover {
    width: 6px;
    box-shadow: 0 0 20px rgba(79, 70, 229, 0.5);
}

.slider-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    cursor: ew-resize;
}

.slider-button:hover {
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.slider-button i {
    color: #4f46e5;
    font-size: 16px;
}

/* Card Info */
.card-info {
    @apply p-6;
}

.card-info h4 {
    @apply text-gray-900 mb-3;
}

/* Tags */
.tag {
    @apply inline-block px-3 py-1 bg-gradient-to-r from-indigo-100 to-purple-100 text-indigo-700 text-xs font-semibold rounded-full;
}

/* Hover Effects for Better UX */
.before-after-container:hover .slider-handle {
    opacity: 1;
}

.before-after-container:hover .image-label {
    opacity: 0.9;
}

/* Mobile Optimizations */
@media (max-width: 768px) {
    .before-after-container {
        height: 200px;
    }
    
    .slider-button {
        width: 32px;
        height: 32px;
    }
    
    .slider-button i {
        font-size: 14px;
    }
    
    .image-label {
        font-size: 10px;
        padding: 2px 8px;
    }
    
    .filter-btn {
        @apply px-4 py-2 text-sm;
    }
}

/* Animation for filter transitions */
@keyframes filterFadeOut {
    from {
        opacity: 1;
        transform: scale(1);
    }
    to {
        opacity: 0;
        transform: scale(0.8);
    }
}

@keyframes filterFadeIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Loading Animation */
.gallery-loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #e5e7eb;
    border-radius: 50%;
    border-top-color: #4f46e5;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { 
        transform: rotate(360deg); 
    }
}

/* Masonry-like layout for larger screens */
@media (min-width: 1024px) {
    .gallery-grid-masonry {
        column-count: 3;
        column-gap: 2rem;
        column-fill: balance;
    }
    
    .gallery-grid-masonry .gallery-item {
        display: inline-block;
        width: 100%;
        margin-bottom: 2rem;
        break-inside: avoid;
    }
}

/* Lightbox Modal (for future enhancement) */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    opacity: 1;
    pointer-events: all;
}

.lightbox-content {
    max-width: 90vw;
    max-height: 90vh;
    position: relative;
}

.lightbox-close {
    position: absolute;
    top: -40px;
    right: 0;
    color: white;
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.5);
    transition: background 0.3s ease;
}

.lightbox-close:hover {
    background: rgba(0, 0, 0, 0.8);
}

/* Accessibility Improvements */
.before-after-container:focus {
    outline: 2px solid #4f46e5;
    outline-offset: 2px;
}

.filter-btn:focus {
    outline: 2px solid #4f46e5;
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .slider-handle {
        background: #000000;
    }
    
    .slider-button {
        border: 2px solid #000000;
    }
    
    .image-label {
        background: #000000;
        border: 1px solid #ffffff;
    }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    .gallery-item,
    .transform-card,
    .image-wrapper img,
    .slider-handle,
    .slider-button {
        transition: none;
    }
    
    .transform-card:hover {
        transform: none;
    }
}

/* Print styles */
@media print {
    .filter-btn,
    .slider-handle,
    .slider-button {
        display: none;
    }
    
    .before-after-container {
        height: auto;
    }
    
    .image-wrapper.before,
    .image-wrapper.after {
        clip-path: none;
        position: static;
        height: auto;
    }
    
    .image-wrapper.after {
        margin-top: 1rem;
    }
}