:root {
    --bg: #0f0f11;
    --fg: #ededf0;
    --muted: #8a8a92;
    --card: #1a1a1e;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--fg);
    font: 16px/1.5 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

header {
    padding: 2.5rem 1rem 1rem;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 1.7rem;
    letter-spacing: 0.02em;
}

header p {
    margin: 0.4rem 0 0;
    color: var(--muted);
    font-size: 0.95rem;
}

/* Justified rows: JS groups gifs into rows and sets each img's exact width/height
   (gap here MUST stay 12px — the layout math in index.html depends on it). */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 12px;
    overflow-x: hidden;
}

.row {
    display: flex;
    gap: 12px;
}

main img {
    display: block;
    background: var(--card);
}

.empty {
    text-align: center;
    color: var(--muted);
    padding: 3rem 1rem;
}

@media (max-width: 480px) {
    main {
        padding: 0.75rem;
    }
}