:root { 
    --bg: #000; --panel: #050505; --border: #111;
    --rgb-memes: #00ff88; --rgb-news: #ff3e3e; --rgb-art: #0077ff; --rgb-wiki: #ffa500;
}
body { font-family: 'Inter', sans-serif; background: var(--bg); color: #fff; margin: 0; overflow-x: hidden; touch-action: pan-y; -webkit-font-smoothing: antialiased; min-height: 100vh; display: flex; flex-direction: column; }

/* Fixed Minimal Header */
header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: #000;
    z-index: 5000;
    backdrop-filter: blur(15px);
    text-align: center;
    isolation: isolate;
}
header::before {
    content: "";
    position: absolute;
    inset: 0;
    background: #000;
    z-index: -1;
}
h1 { font-size: 0.9rem; letter-spacing: 10px; margin: 0 0 1rem 0; font-weight: 700; text-transform: uppercase; cursor: pointer; }
.slogan { font-size: 0.55rem; letter-spacing: 3px; color: #444; margin-top: -8px; text-transform: uppercase; margin-bottom: 1.5rem; }
nav { display: flex; justify-content: center; gap: 20px; overflow-x: auto; -webkit-overflow-scrolling: touch; }
nav a { text-decoration: none; color: #555; font-size: 0.65rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; transition: 0.3s; padding-bottom: 5px; border-bottom: 2px solid transparent; }
nav a.active { color: #fff; border-color: #fff; }

.query-status {
    display: none;
    margin-top: 10px;
    justify-content: center;
    align-items: center;
    gap: 7px;
    min-height: 14px;
    color: #5a5a5a;
    font-size: 0.52rem;
    letter-spacing: 0.9px;
    text-transform: lowercase;
}
.query-status.active { display: inline-flex; }
.query-spinner {
    width: 9px;
    height: 9px;
    border: 1px solid #2c2c2c;
    border-top-color: #6a6a6a;
    border-radius: 50%;
    animation: spin 0.9s linear infinite;
    flex-shrink: 0;
}

.global-loading-overlay {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    z-index: 9000;
    background: rgba(0, 0, 0, 0.36);
}
.global-loading-overlay.active {
    display: flex;
}
.global-loading-card {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: rgba(4, 4, 4, 0.92);
    border: 1px solid #232323;
    border-radius: 999px;
    padding: 12px 18px;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.03), 0 14px 40px rgba(0, 0, 0, 0.55);
}
.global-loading-spinner {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid #2f2f2f;
    border-top-color: #c7c7c7;
    animation: spin 0.8s linear infinite;
}
.global-loading-text {
    color: #c2c2c2;
    font-size: 0.73rem;
    letter-spacing: 1.1px;
    text-transform: lowercase;
}

.subnav {
    display: none;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    flex-wrap: wrap;
    position: relative;
    z-index: 3;
    background: #000;
}
.subnav.active { display: flex; }
.subnav button {
    border: 1px solid var(--border);
    background: #080808;
    color: #8a8a8a;
    border-radius: 999px;
    padding: 6px 12px;
    font-size: 0.56rem;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    cursor: pointer;
    transition: 0.2s;
    font-weight: 700;
}
.subnav button:hover {
    color: #fff;
    border-color: #333;
}
.subnav[data-mode="news"] button.active {
    color: #fff;
    border-color: var(--rgb-news);
    background: rgba(255, 62, 62, 0.15);
}
.subnav[data-mode="memes"] button.active {
    color: #fff;
    border-color: var(--rgb-memes);
    background: rgba(0, 255, 136, 0.12);
}

.travel-controls {
    display: none;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 12px;
    position: relative;
    z-index: 3;
    background: #000;
}
.travel-controls.active { display: flex; }
.travel-btn {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--panel);
    color: #ddd;
    font-size: 0.9rem;
    line-height: 1;
    cursor: pointer;
    transition: 0.2s;
}
.travel-btn:hover {
    border-color: var(--rgb-wiki);
    color: #fff;
    background: #101010;
}
.travel-day-btn {
    width: auto;
    min-width: 280px;
    height: 30px;
    border-radius: 999px;
    padding: 0 14px;
    border-color: var(--rgb-wiki);
    background: rgba(255, 165, 0, 0.1);
    color: #ffd38a;
    font-size: 0.58rem;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    font-weight: 700;
}
.travel-day-btn:hover {
    background: rgba(255, 165, 0, 0.2);
    color: #fff;
}

/* Hero Image for Time Travel */
.hero-section { max-width: 900px; margin: 15px auto; border: 1px solid var(--border); overflow: hidden; aspect-ratio: 16/6; }
.hero-section img { width: 100%; height: 100%; object-fit: cover; opacity: 0.8; }

/* Main Content Containment */
#hero-container,
#content-main,
#mood-search-section {
    position: relative;
    z-index: 1;
}
#content-main { max-width: 1400px; margin: 0 auto; padding: 10px; width: 100%; flex: 1; }

/* Lane Layout - Compact Mode */
.lane { margin-bottom: 3px; border-bottom: 1px solid var(--border); display: none; }
.lane.visible { display: block; }

.lane-header { padding: 15px 25px; display: flex; flex-direction: column; justify-content: center; align-items: center; cursor: pointer; background: var(--panel); text-align: center; gap: 3px; position: relative; }
.lane-header:hover { background: #111; }
.lane-title-row { display: inline-flex; align-items: center; justify-content: center; gap: 10px; }
.lane-dot { width: 8px; height: 8px; border-radius: 50%; background: #333; flex-shrink: 0; display: inline-block; }
.lane-title { font-size: 0.7rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: #eee; text-align: center; }
.lane-meta { font-size: 0.45rem; color:#444; letter-spacing:1px; text-align: center; }

/* Grid Logic - Fixed 3 Columns */
.lane-grid { 
    display: grid; 
    grid-template-columns: repeat(3, 1fr); 
    gap: 4px; 
    background: transparent; 
    max-width: 800px; 
    margin: 0 auto;
    overflow: hidden; 
    transition: max-height 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* If a lane has less than 3 images, center them and avoid empty grid columns */
.lane-grid.count-1,
.lane-grid.count-2 {
    display: flex;
    justify-content: center;
    width: 100%;
    max-width: 800px;
}
.lane-grid.count-1 .item,
.lane-grid.count-2 .item {
    flex: 0 0 calc((100% - 8px) / 3);
    max-width: calc((100% - 8px) / 3);
}

/* Hide items beyond first row (3 images) */
.lane-grid .item:nth-child(n+4) { display: none; }

/* Show all 9 when expanded */
.lane.expanded .lane-grid .item:nth-child(n+4) { display: block; }

.item { 
    position: relative; 
    aspect-ratio: 1/1; 
    overflow: hidden; 
    background: #000; 
    display: block;
    cursor: pointer;
}

.item-link {
    display: block;
    width: 100%;
    height: 100%;
    text-decoration: none;
    color: inherit;
}

.item img { 
    width: 100%; 
    height: 100%; 
    object-fit: cover;
    opacity: 0.7; 
    transition: 0.4s; 
}

.item img.error { display: none; }
.item:hover img { opacity: 1; filter: grayscale(0%); transform: scale(1.03); }

/* RGB Indicators */
.cat-memes .lane-dot { background: var(--rgb-memes); }
.cat-news .lane-dot { background: var(--rgb-news); }
.cat-art .lane-dot { background: var(--rgb-art); }
.cat-wiki .lane-dot { background: var(--rgb-wiki); }
.cat-timetravel .lane-dot { background: var(--rgb-wiki); }

.overlay { position: absolute; bottom: 0; left: 0; right: 0; padding: 15px; background: linear-gradient(transparent, rgba(0,0,0,0.9)); pointer-events: none; }
.item-title { font-size: 0.65rem; color: #ccc; line-height: 1.3; display: -webkit-box; line-clamp: 2; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.shuffle-stream {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
    max-width: 800px;
    margin: 0 auto;
}
.shuffle-sentinel {
    height: auto;
    min-height: 30px;
    margin: 12px auto;
    max-width: 800px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.loading-indicator {
    text-align: center;
    color: #5f5f5f;
    font-size: 0.58rem;
    letter-spacing: 1px;
    text-transform: lowercase;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.loading-spinner {
    width: 12px;
    height: 12px;
    border: 1px solid #2d2d2d;
    border-top-color: #858585;
    border-radius: 50%;
    animation: spin 0.85s linear infinite;
}
@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Mood Search & Pills Section */
.mood-search-section {
    display: none;
    max-width: 1200px;
    margin: 0 auto;
    padding: 12px 20px;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: var(--header-sticky-offset, 0px);
    z-index: 4200;
    background: #000;
}
.mood-search-section.active { display: block; }
body[data-mode="art"] .mood-search-section { display: block; }

.search-input-container { margin-bottom: 15px; display: flex; justify-content: center; }
.search-input-container input { 
    width: min(100%, 800px); 
    max-width: 800px;
    padding: 12px 15px; 
    background: var(--panel); 
    border: 1px solid var(--border); 
    color: #fff; 
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    letter-spacing: 1px;
    border-radius: 20px;
    transition: 0.3s;
    text-align: center;
}
.search-input-container input:focus { outline: none; border-color: var(--rgb-art); box-shadow: 0 0 10px rgba(0, 119, 255, 0.3); }
.search-input-container input::placeholder { color: #555; }

.search-suggestions {
    max-width: 800px;
    margin: 0 auto 14px;
    display: none;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: center;
}
.search-suggestions.visible { display: flex; }
.suggestion-chip {
    padding: 7px 12px;
    background: #0a0a0a;
    border: 1px solid #1a1a1a;
    color: #b5b5b5;
    font-size: 0.6rem;
    letter-spacing: 0.8px;
    border-radius: 999px;
    cursor: pointer;
    transition: 0.2s;
    text-transform: uppercase;
}
.suggestion-chip:hover {
    border-color: var(--rgb-art);
    color: #fff;
    background: #101010;
}
.suggestion-chip.active {
    border-color: var(--rgb-art);
    color: #fff;
    background: rgba(0, 119, 255, 0.2);
}
.suggestion-chip.hint {
    cursor: default;
    color: #6f6f6f;
    border-style: dashed;
}

.pills-container { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; transition: 0.2s opacity, 0.2s max-height; }
.pills-container.hidden { display: flex; }
.search-input-container { position: relative; display: flex; justify-content: center; }
.search-input-container input:focus { outline: none; }
.pill { 
    padding: 8px 16px; 
    background: var(--panel);
    border: 1px solid var(--border);
    color: #999;
    font-size: 0.65rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: 20px;
    cursor: pointer;
    transition: 0.3s;
    font-weight: 600;
    white-space: nowrap;
}
.pill:hover { 
    background: #111;
    color: #fff;
    border-color: var(--rgb-art);
}
.pill.active { 
    background: var(--rgb-art);
    color: #000;
    border-color: var(--rgb-art);
}

.visually-hidden {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

footer { padding: 4rem; text-align: center; font-size: 0.5rem; color: #222; letter-spacing: 4px; border-top: 1px solid var(--border); margin-top: auto; }
.footer-docs {
    margin-top: 12px;
    letter-spacing: 1.5px;
    font-size: 0.52rem;
    color: #474747;
    text-transform: uppercase;
}
.footer-docs a {
    color: #525252;
    text-decoration: none;
    border-bottom: 1px dotted #333;
}
.footer-docs a:hover {
    color: #9b9b9b;
    border-bottom-color: #666;
}

/* Responsive Breakpoints */
@media (max-width: 900px) {
    .lane-grid { grid-template-columns: repeat(2, 1fr); max-width: 100%; }
    .shuffle-stream { grid-template-columns: repeat(2, 1fr); max-width: 100%; }
    .lane-grid.count-1 .item,
    .lane-grid.count-2 .item {
        flex-basis: calc((100% - 4px) / 2);
        max-width: calc((100% - 4px) / 2);
    }
}
@media (max-width: 600px) {
    header { padding: 1rem; }
    .lane-header { padding: 10px 15px; }
    .travel-controls { gap: 8px; }
    .travel-day-btn {
        min-width: 210px;
        font-size: 0.52rem;
        letter-spacing: 0.9px;
        padding: 0 10px;
    }
    .lane-grid { grid-template-columns: repeat(1, 1fr); max-width: 100%; }
    .shuffle-stream { grid-template-columns: repeat(1, 1fr); max-width: 100%; }
    .lane-grid.count-1 .item,
    .lane-grid.count-2 .item {
        flex-basis: 100%;
        max-width: 100%;
    }
    .search-suggestions {
        justify-content: flex-start;
    }
}