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

:root {
    --color-white: #ffffff;
    --color-black: #000000;
    --color-gray-dark: #1a1a1a;
    --color-gray: #808080;
    --color-gray-light: #cccccc;
    --font-display: 'Playfair Display', serif;
    --font-mono: 'Space Mono', monospace;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-mono);
    background: var(--color-black);
    color: var(--color-white);
    overflow-x: hidden;
    cursor: none;
}

.grain-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='2.5' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 9999;
    opacity: 0.5;
}

.cursor-dot,
.cursor-outline {
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 20000;
    mix-blend-mode: difference;
}

.cursor-dot {
    width: 8px;
    height: 8px;
    background: var(--color-white);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease;
}

.cursor-outline {
    width: 30px;
    height: 30px;
    border: 1px solid var(--color-white);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.15s ease-out;
}

.gallery-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-dark);
    padding: 2rem 0;
}

.header-content {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.back-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-white);
    text-decoration: none;
    font-size: 0.85rem;
    letter-spacing: 0.2em;
    transition: all 0.3s ease;
}

.back-arrow {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.back-link:hover .back-arrow {
    transform: translateX(-5px);
}

.gallery-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 900;
    letter-spacing: 0.1em;
    text-align: center;
    flex: 1;
}

.filter-controls {
    display: flex;
    gap: 1rem;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--color-gray);
    color: var(--color-white);
    padding: 0.6rem 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-white);
    color: var(--color-black);
    border-color: var(--color-white);
}

.filter-btn[data-filter="original"]:hover,
.filter-btn[data-filter="original"].active {
    background: #a8d8a8;
    color: var(--color-black);
    border-color: #a8d8a8;
}

.filter-btn[data-filter="fanart"]:hover,
.filter-btn[data-filter="fanart"].active {
    background: #d8a8c8;
    color: var(--color-black);
    border-color: #d8a8c8;
}

.layout-toggle {
    position: fixed;
    right: 3rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid var(--color-gray-dark);
    padding: 1rem;
    backdrop-filter: blur(10px);
}

.toggle-btn {
    width: 44px;
    height: 44px;
    background: transparent;
    border: 1px solid var(--color-gray);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.toggle-btn:hover,
.toggle-btn.active {
    background: var(--color-white);
    color: var(--color-black);
    border-color: var(--color-white);
}

.gallery-main {
    padding: 4rem 3rem;
    min-height: calc(100vh - 200px);
}

.gallery-container {
    max-width: 1600px;
    margin: 0 auto;
}

.grid-layout {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.masonry-layout {
    column-count: 3;
    column-gap: 2rem;
}

.masonry-layout .artwork-item {
    break-inside: avoid;
    margin-bottom: 2rem;
}

.list-layout {
    display: flex;
    flex-direction: column;
    gap: 0;
    max-width: 1200px;
    margin: 0 auto;
}

.list-layout .artwork-item {
    border-bottom: 1px solid var(--color-gray-dark);
}

.list-layout .artwork-inner {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 2rem;
    padding: 2rem 0;
}

.list-layout .artwork-inner img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.list-layout .artwork-overlay {
    position: static;
    opacity: 1;
    background: transparent;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 0;
}

.list-layout .artwork-number {
    position: static;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.list-layout .artwork-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.list-layout .artwork-meta {
    margin-top: 1rem;
}

.artwork-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease forwards;
}



.artwork-item:nth-child(1) { animation-delay: 0.1s; }
.artwork-item:nth-child(2) { animation-delay: 0.2s; }
.artwork-item:nth-child(3) { animation-delay: 0.3s; }
.artwork-item:nth-child(4) { animation-delay: 0.4s; }
.artwork-item:nth-child(5) { animation-delay: 0.5s; }
.artwork-item:nth-child(6) { animation-delay: 0.6s; }

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

.artwork-item.hidden {
    display: none;
}

.grid-layout .artwork-inner,
.masonry-layout .artwork-inner {
    position: relative;
    aspect-ratio: 3/4;
    border: 1px solid var(--color-gray-dark);
    transition: all 0.5s ease;
}

.artwork-inner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: none;
    transition: all 0.5s ease;
}

.artwork-item:hover .artwork-inner img {
    filter: brightness(0.4);
}

.artwork-inner.placeholder {
    background: 
        repeating-linear-gradient(
            45deg,
            var(--color-gray-dark),
            var(--color-gray-dark) 10px,
            var(--color-black) 10px,
            var(--color-black) 20px
        );
}

.artwork-inner.placeholder::after {
    content: 'NO IMAGE';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.8rem;
    letter-spacing: 0.3em;
    opacity: 0.3;
}

.grid-layout .artwork-overlay,
.masonry-layout .artwork-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.92);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.artwork-item:hover .artwork-overlay {
    opacity: 1;
}

.artwork-item:hover .artwork-inner {
    border-color: var(--color-white);
    transform: scale(1.02);
}

.artwork-number {
    font-size: 3rem;
    font-weight: 700;
    opacity: 0.2;
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
}

.artwork-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-align: center;
    margin-bottom: 1rem;
}

.artwork-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.75rem;
    letter-spacing: 0.3em;
}

.artwork-year,
.artwork-category {
    opacity: 0.7;
}

.artwork-type {
    font-size: 0.65rem;
    letter-spacing: 0.25em;
    padding: 0.2rem 0.5rem;
    border: 1px solid currentColor;
}

.original-tag {
    color: #a8d8a8;
    border-color: #a8d8a8;
}

.fanart-tag {
    color: #d8a8c8;
    border-color: #d8a8c8;
}

.load-more-wrapper {
    display: flex;
    justify-content: center;
    margin-top: 4rem;
}

.load-more-btn {
    background: transparent;
    border: 1px solid var(--color-white);
    color: var(--color-white);
    padding: 1.2rem 3rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    letter-spacing: 0.2em;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 1rem;
    position: relative;
    overflow: hidden;
}

.load-more-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--color-white);
    transition: left 0.3s ease;
}

.load-more-btn:hover::before {
    left: 0;
}

.btn-text,
.btn-arrow {
    position: relative;
    z-index: 1;
    transition: color 0.3s ease;
}

.load-more-btn:hover .btn-text,
.load-more-btn:hover .btn-arrow {
    color: var(--color-black);
}

.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.98);
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    display: flex;
    gap: 3rem;
    align-items: center;
}

.lightbox-image {
    max-width: 60%;
    max-height: 75vh;
    filter: none;
    border: 1px solid var(--color-white);
}

.lightbox-info {
    max-width: 400px;
}

.lightbox-number {
    font-size: 1.5rem;
    font-weight: 700;
    opacity: 0.3;
    display: block;
    margin-bottom: 1rem;
}

.lightbox-title {
    font-family: var(--font-display);
    font-size: 1.0rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    letter-spacing: 0.05em;
}

.lightbox-meta {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--color-gray-dark);
}

.lightbox-year,
.lightbox-category {
    font-size: 0.85rem;
    letter-spacing: 0.3em;
}

.lightbox-description {
    line-height: 1.8;
    opacity: 0.8;
    font-size: 0.95rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-gray-dark);
    white-space: pre-wrap;
}

.lightbox-close,
.lightbox-nav {
    position: absolute;
    background: transparent;
    border: 1px solid var(--color-white);
    color: var(--color-white);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 2rem;
    transition: all 0.3s ease;
}

.lightbox-close {
    top: 2rem;
    right: 2rem;
}

.lightbox-close:hover,
.lightbox-nav:hover {
    background: var(--color-white);
    color: var(--color-black);
}

.lightbox-prev {
    left: 2rem;
}

.lightbox-next {
    right: 2rem;
}

.gallery-footer {
    background: var(--color-black);
    border-top: 1px solid var(--color-gray-dark);
    padding: 3rem 0;
}

.footer-content {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-content p {
    font-size: 0.75rem;
    letter-spacing: 0.3em;
    opacity: 0.7;
}

.footer-link {
    color: var(--color-white);
    text-decoration: none;
    font-size: 0.85rem;
    letter-spacing: 0.2em;
    transition: opacity 0.3s ease;
}

.footer-link:hover {
    opacity: 0.7;
}

@media (max-width: 1200px) {
    .masonry-layout {
        column-count: 2;
    }
}

@media (max-width: 1024px) {
    .header-content {
        flex-direction: column;
        gap: 1.5rem;
        padding: 0 2rem;
    }

    .gallery-title {
        font-size: 2.5rem;
    }

    .layout-toggle {
        right: 1rem;
    }

    .gallery-main {
        padding: 3rem 2rem;
    }

    .grid-layout {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 1.5rem;
    }

    .lightbox-content {
        flex-direction: column;
        gap: 2rem;
    }

    .lightbox-image {
        max-width: 90%;
    }
}

@media (max-width: 768px) {
    .filter-controls {
        flex-wrap: wrap;
        justify-content: center;
    }

    .filter-btn {
        padding: 0.5rem 1rem;
    }

    .masonry-layout {
        column-count: 1;
    }

    .list-layout .artwork-inner {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .list-layout .artwork-inner img {
        height: 300px;
    }

    .cursor-dot,
    .cursor-outline {
        display: none;
    }

    body {
        cursor: auto;
    }

    .layout-toggle {
        position: static;
        transform: none;
        flex-direction: row;
        justify-content: center;
        margin: 2rem auto;
        width: fit-content;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}