:root {
    --bg-color: #0f0f11;
    --card-bg: #18181b;
    --text-main: #e4e4e7;
    --text-muted: #a1a1aa;
    --accent: #facc15; /* Banana Yellow */
    --border: #27272a;
    --font-sans: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.site-header {
    padding: 40px 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 40px;
    text-align: center;
}

.site-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.highlight {
    color: var(--accent);
}

/* Filter Styles */
.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 30px;
    padding: 0 10px;
}

.filter-btn {
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
}

.filter-btn:hover {
    background-color: #27272a;
    color: var(--text-main);
    transform: translateY(-1px);
}

.filter-btn.active {
    background-color: var(--accent);
    color: #000;
    border-color: var(--accent);
    font-weight: 600;
}

/* Type Colors for Filter Buttons */
.filter-btn.type-physics { color: #60a5fa; border-color: rgba(59, 130, 246, 0.3); }
.filter-btn.type-physics:hover, .filter-btn.type-physics.active { background-color: rgba(59, 130, 246, 0.15); color: #60a5fa; border-color: #60a5fa; }

.filter-btn.type-cinematic { color: #a78bfa; border-color: rgba(139, 92, 246, 0.3); }
.filter-btn.type-cinematic:hover, .filter-btn.type-cinematic.active { background-color: rgba(139, 92, 246, 0.15); color: #a78bfa; border-color: #a78bfa; }

.filter-btn.type-typography { color: #34d399; border-color: rgba(16, 185, 129, 0.3); }
.filter-btn.type-typography:hover, .filter-btn.type-typography.active { background-color: rgba(16, 185, 129, 0.15); color: #34d399; border-color: #34d399; }

.filter-btn.type-multi { color: #fbbf24; border-color: rgba(245, 158, 11, 0.3); }
.filter-btn.type-multi:hover, .filter-btn.type-multi.active { background-color: rgba(245, 158, 11, 0.15); color: #fbbf24; border-color: #fbbf24; }

.filter-btn.type-stylized { color: #f472b6; border-color: rgba(236, 72, 153, 0.3); }
.filter-btn.type-stylized:hover, .filter-btn.type-stylized.active { background-color: rgba(236, 72, 153, 0.15); color: #f472b6; border-color: #f472b6; }

.filter-btn.type-surreal { color: #22d3ee; border-color: rgba(6, 182, 212, 0.3); }
.filter-btn.type-surreal:hover, .filter-btn.type-surreal.active { background-color: rgba(6, 182, 212, 0.15); color: #22d3ee; border-color: #22d3ee; }

.filter-btn.type-maps { color: #facc15; border-color: rgba(234, 179, 8, 0.3); }
.filter-btn.type-maps:hover, .filter-btn.type-maps.active { background-color: rgba(234, 179, 8, 0.15); color: #facc15; border-color: #facc15; }

.filter-btn.type-pattern { color: #f87171; border-color: rgba(239, 68, 68, 0.3); }
.filter-btn.type-pattern:hover, .filter-btn.type-pattern.active { background-color: rgba(239, 68, 68, 0.15); color: #f87171; border-color: #f87171; }

.filter-btn.type-editing { color: #818cf8; border-color: rgba(99, 102, 241, 0.3); }
.filter-btn.type-editing:hover, .filter-btn.type-editing.active { background-color: rgba(99, 102, 241, 0.15); color: #818cf8; border-color: #818cf8; }

/* Type Badge Colors */
.type-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}

.type-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.type-physics { background-color: rgba(59, 130, 246, 0.15); color: #60a5fa; border: 1px solid rgba(59, 130, 246, 0.3); }
.type-cinematic { background-color: rgba(139, 92, 246, 0.15); color: #a78bfa; border: 1px solid rgba(139, 92, 246, 0.3); }
.type-typography { background-color: rgba(16, 185, 129, 0.15); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3); }
.type-multi { background-color: rgba(245, 158, 11, 0.15); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.3); }
.type-stylized { background-color: rgba(236, 72, 153, 0.15); color: #f472b6; border: 1px solid rgba(236, 72, 153, 0.3); }
.type-surreal { background-color: rgba(6, 182, 212, 0.15); color: #22d3ee; border: 1px solid rgba(6, 182, 212, 0.3); }
.type-maps { background-color: rgba(234, 179, 8, 0.15); color: #facc15; border: 1px solid rgba(234, 179, 8, 0.3); }
.type-pattern { background-color: rgba(239, 68, 68, 0.15); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.3); }
.type-editing { background-color: rgba(99, 102, 241, 0.15); color: #818cf8; border: 1px solid rgba(99, 102, 241, 0.3); }

.subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.github-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: #24292e;
    color: white;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: 600;
    transition: background-color 0.2s;
}

.github-btn:hover {
    background-color: #2f363d;
}

/* Gallery Layout */
.gallery {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

/* Case Card */
.case-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    display: grid;
    /* Desktop: Prompt (25%) | Ref (15%) | Case Image (60%) */
    grid-template-columns: 1.5fr 0.8fr 3fr;
}

/* Column 1: Prompt & Meta */
.case-info {
    padding: 24px;
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.case-header {
    margin-bottom: 16px;
}

.case-id {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent);
    margin-bottom: 4px;
    display: block;
}

.case-title {
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.3;
}

.case-prompt-container {
    flex-grow: 1;
    margin-bottom: 20px;
    overflow-y: auto;
    max-height: 400px;
}

.case-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 8px;
    font-weight: 600;
}

.case-prompt {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    background-color: rgba(0,0,0,0.3);
    padding: 12px;
    border-radius: 6px;
    color: #d4d4d8;
    white-space: pre-wrap;
    border: 1px solid var(--border);
}

.case-meta {
    border-top: 1px solid var(--border);
    padding-top: 16px;
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.meta-item a {
    color: var(--text-main);
    text-decoration: none;
    border-bottom: 1px dotted var(--text-muted);
}

.meta-item a:hover {
    color: var(--accent);
    border-bottom-style: solid;
}

/* Column 2: References */
.case-refs {
    background-color: #131316;
    border-right: 1px solid var(--border);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
    overflow-y: auto;
}

.ref-item {
    width: 100%;
    max-width: 160px;
}

.ref-item img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    border: 1px solid var(--border);
    transition: transform 0.2s;
    cursor: pointer;
}

.ref-item img:hover {
    transform: scale(1.05);
    border-color: var(--text-muted);
}

.no-ref {
    color: var(--text-muted);
    font-size: 0.8rem;
    text-align: center;
    font-style: italic;
    margin-top: 50%;
}

/* Column 3: Case Image (Main) */
.case-visual {
    position: relative;
    background-color: #000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    min-height: 400px;
}

.case-visual img {
    width: 100%;
    height: auto;
    object-fit: contain; /* Ensure the whole image is visible */
    max-width: 100%;
}

/* Footer */
.site-footer {
    margin-top: 60px;
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 900px) {
    .case-card {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto;
    }

    .case-visual {
        order: -1; /* Image on top for mobile */
        min-height: 300px;
        max-height: 500px;
        border-bottom: 1px solid var(--border);
    }

    .case-refs {
        flex-direction: row;
        overflow-x: auto;
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding: 16px;
        justify-content: flex-start;
    }
    
    .ref-item {
        width: 100px;
        flex-shrink: 0;
    }

    .case-info {
        border-right: none;
    }
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease;
}

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

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

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8);
    animation: zoomIn 0.3s ease;
}

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

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 40px;
    color: #ffffff;
    font-size: 48px;
    font-weight: 300;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10000;
    line-height: 1;
    user-select: none;
}

.lightbox-close:hover {
    color: var(--accent);
    transform: rotate(90deg);
}

#lightbox-caption {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-main);
    background-color: rgba(0, 0, 0, 0.8);
    padding: 12px 24px;
    border-radius: 6px;
    font-size: 0.9rem;
    max-width: 80%;
    text-align: center;
}