:root {
    --background-color: #0a0a0a;
    --text-color: #e0e0e0;
    --primary-accent: #141414;
    --secondary-accent: #222222;
    --tertiary-accent: #333333;
    --light-accent: #bbbbbb;
    --border-color: #2a2a2a;
    --highlight-border: #444444;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --blur-intensity: 5px;
    --global-radius: 6px;
    --transition-speed: 0.3s;
    --animation-duration: 0.6s;
    --reveal-duration: 1.2s;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    padding: 20px;
    overflow-x: hidden;
}

body.lightbox-open {
    overflow: hidden;
}

header {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px 0;
}

header h1 {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--light-accent);
    text-shadow: 0 0 10px rgba(224, 224, 224, 0.1);
    animation: fadeInDown var(--animation-duration) ease-out;
}

.gallery-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.gallery-item {
    background-color: var(--primary-accent);
    border: 1px solid var(--border-color);
    border-radius: var(--global-radius);
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform var(--transition-speed) ease-out, box-shadow var(--transition-speed) ease-out, border-color var(--transition-speed) ease-out;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUpItem var(--animation-duration) ease-out forwards;
    display: flex;
    flex-direction: column;
}

.gallery-item:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    border-color: var(--highlight-border);
}

.gallery-item-media-wrapper {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background-color: var(--secondary-accent);
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.noise-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 300 300"><filter id="n"><feTurbulence type="fractalNoise" baseFrequency="0.7" numOctaves="10" stitchTiles="stitch"/></filter><rect width="100%" height="100%" filter="url(%23n)" opacity="0.15"/></svg>');
    z-index: 2;
    opacity: 1;
    transition: opacity 0.5s ease-out;
}

.noise-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.gallery-item-media-wrapper img,
.gallery-item-media-wrapper video {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    
    opacity: 0;
    filter: blur(20px) saturate(0) contrast(0.5);
    transform: scale(1.2);
    
    transition: transform var(--reveal-duration) cubic-bezier(0.25, 1, 0.5, 1),
                filter var(--reveal-duration) cubic-bezier(0.25, 1, 0.5, 1),
                opacity calc(var(--reveal-duration) / 2) ease-in;
}

.gallery-item-media-wrapper .loaded {
    opacity: 1;
    filter: blur(0) saturate(1) contrast(1);
    transform: scale(1);
}


.gallery-item:hover .gallery-item-media-wrapper .loaded {
    transform: scale(1.05);
}

.gallery-item .filename {
    padding: 12px 15px;
    font-size: 0.9rem;
    text-align: center;
    color: var(--light-accent);
    background-color: var(--secondary-accent);
    word-break: break-all;
    transition: background-color var(--transition-speed) ease-out;
    margin-top: auto;
}

.gallery-item:hover .filename {
    background-color: var(--tertiary-accent);
}

.lightbox {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(var(--blur-intensity));
    animation: fadeInLightbox var(--transition-speed) ease-out;
}

.lightbox.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-content {
    position: relative;
    background-color: var(--primary-accent);
    margin: auto;
    padding: 20px;
    border: 1px solid var(--border-color);
    border-radius: var(--global-radius);
    width: 90%;
    max-width: 1000px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.5);
    animation: scaleUpLightbox var(--transition-speed) ease-out;
    display: flex;
    flex-direction: column;
}

.lightbox-close {
    color: var(--light-accent);
    position: absolute;
    top: 10px;
    right: 25px;
    font-size: 35px;
    font-weight: bold;
    transition: color var(--transition-speed) ease;
    z-index: 1;
}

.lightbox-close:hover,
.lightbox-close:focus {
    color: var(--text-color);
    text-decoration: none;
}

.lightbox-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.lightbox-info {
    display: flex;
    flex-direction: column;
    font-size: 0.85rem;
    color: var(--light-accent);
    margin-right: 15px;
}

.lightbox-info span {
    margin-bottom: 4px;
}
.lightbox-info span:last-child {
    margin-bottom: 0;
}

.lightbox-download-btn {
    background-color: var(--tertiary-accent);
    color: var(--text-color);
    padding: 8px 15px;
    text-decoration: none;
    border-radius: var(--global-radius);
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
    white-space: nowrap;
    align-self: flex-start;
}

.lightbox-download-btn:hover {
    background-color: var(--highlight-border);
    border-color: var(--light-accent);
}


#lightbox-media-container {
    display: flex;
    justify-content: center;
    align-items: center;
    max-height: 70vh;
    min-height: 200px;
}

#lightbox-media-container img,
#lightbox-media-container video {
    max-width: 100%;    
    max-height: 100%;   
    display: block;     
    object-fit: contain;
    border-radius: calc(var(--global-radius) / 2);
}

#lightbox-media-container video {
    outline: none;
}


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

@keyframes scaleUpLightbox {
    from { transform: scale(0.95); opacity: 0.7; }
    to { transform: scale(1); opacity: 1; }
}

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

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

@media (max-width: 768px) {
    header h1 {
        font-size: 2.2rem;
    }
    .gallery-container {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }
    .lightbox-content {
        width: 95%;
        padding: 15px;
    }
    .lightbox-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .lightbox-info {
        margin-right: 0;
        margin-bottom: 10px;
    }
    .lightbox-download-btn {
        align-self: stretch;
        text-align: center;
    }
    #lightbox-media-container {
        max-height: 65vh;
    }
}