/* ============================================
   DARSEN GALLERY DETAIL - Modern DJ Style
   ============================================ */

:root {
    /* Color Palette - DJ Dark Theme */
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-card: #1a1a1a;
    --accent-primary: #ff006e;
    --accent-secondary: #8338ec;
    --accent-tertiary: #3a86ff;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #666666;
    --border-color: #2a2a2a;
    --glow-primary: rgba(255, 0, 110, 0.3);
    --glow-secondary: rgba(131, 56, 236, 0.3);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* Background Animation */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, var(--glow-primary) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, var(--glow-secondary) 0%, transparent 50%),
        var(--bg-primary);
    opacity: 0.3;
    z-index: -1;
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.5; }
}

/* Header */
.gallery-header {
    text-align: center;
    padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
    position: relative;
    border-bottom: 1px solid var(--border-color);
}

.header-content {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
}

.back-button {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 400;
    transition: all var(--transition-normal);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 6px;
}

.back-button:hover {
    color: var(--accent-primary);
    transform: translateY(-50%) translateX(-5px);
}

.back-button svg {
    transition: transform var(--transition-normal);
}

.back-button:hover svg {
    transform: translateX(-3px);
}

.gallery-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    letter-spacing: 0.05em;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary), var(--accent-tertiary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.gallery-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-secondary);
    font-weight: 300;
    letter-spacing: 0.1em;
}

/* Gallery Grid */
.gallery-main {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
        gap: var(--spacing-lg);
    }
}

@media (min-width: 1200px) {
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    }
}

/* Gallery Item */
.gallery-item {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    border-radius: 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-normal);
    opacity: 0;
    animation: fadeInUp 0.6s ease-out forwards;
}

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

.gallery-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 1;
    border-radius: 12px;
}

.gallery-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.5),
        0 0 30px var(--glow-primary);
    border-color: var(--accent-primary);
}

.gallery-item:hover::before {
    opacity: 0.1;
}

.gallery-image-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
    display: block;
}

.gallery-item:hover .gallery-image {
    transform: scale(1.15);
}

/* Shine Effect */
.gallery-shine {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(255, 255, 255, 0.15) 50%,
        transparent 70%
    );
    transform: rotate(45deg);
    transition: all var(--transition-slow);
    opacity: 0;
    z-index: 2;
}

.gallery-item:hover .gallery-shine {
    animation: shine 0.8s ease-in-out;
}

@keyframes shine {
    0% {
        opacity: 0;
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.lightbox.active {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 90%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-image {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.lightbox-info {
    margin-top: var(--spacing-md);
    text-align: center;
}

.lightbox-counter {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.05em;
}

/* Lightbox Controls */
.lightbox-close,
.lightbox-nav {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
    z-index: 10000;
}

.lightbox-close:hover,
.lightbox-nav:hover {
    background: rgba(255, 0, 110, 0.3);
    border-color: var(--accent-primary);
    transform: scale(1.1);
    box-shadow: 0 0 20px var(--glow-primary);
}

.lightbox-close {
    top: var(--spacing-md);
    right: var(--spacing-md);
}

.lightbox-prev {
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-next {
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-prev:hover,
.lightbox-next:hover {
    transform: translateY(-50%) scale(1.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .gallery-main {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .gallery-header {
        padding: var(--spacing-md) var(--spacing-sm);
    }
    
    .back-button {
        position: relative;
        transform: none;
        margin-bottom: var(--spacing-sm);
        display: inline-flex;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: var(--spacing-md);
    }
    
    .lightbox-nav {
        width: 40px;
        height: 40px;
    }
    
    .lightbox-prev {
        left: var(--spacing-xs);
    }
    
    .lightbox-next {
        right: var(--spacing-xs);
    }
    
    .lightbox-close {
        top: var(--spacing-xs);
        right: var(--spacing-xs);
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-item {
        aspect-ratio: 3 / 2;
    }
}