MediaWiki:Common.css

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/******************************
 * Psychedelic Prog Background
 ******************************/

/* Base CSS variables for the dynamic background. JS will override these. */
:root {
    --psy-color-1: #ff7a18; /* warm orange */
    --psy-color-2: #af002d; /* deep crimson */
    --psy-color-3: #00e6ff; /* electric cyan */
    --psy-color-4: #7cff6b; /* neon green */
    --psy-grid-color: rgba(255, 255, 255, 0.06);
}

/* Turn on this class from Common.js */
body.psychedelic-wiki {
    background: #040010;
    color: #f5f5f5;
    overflow-x: hidden;
}

/* Main content card slightly translucent so the background shows through */
body.psychedelic-wiki #content,
body.psychedelic-wiki .mw-body {
    background: rgba(3, 3, 16, 0.9);
    border-radius: 12px;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.8);
}

/* Lava-lamp blobs & nebulas */
body.psychedelic-wiki::before {
    content: "";
    position: fixed;
    inset: -20vh;
    z-index: -2;
    pointer-events: none;

    background:
        radial-gradient(circle at 10% 0%,  var(--psy-color-1) 0, transparent 55%),
        radial-gradient(circle at 85% 15%, var(--psy-color-2) 0, transparent 55%),
        radial-gradient(circle at 20% 85%, var(--psy-color-3) 0, transparent 55%),
        radial-gradient(circle at 80% 90%, var(--psy-color-4) 0, transparent 55%);

    opacity: 0.9;
    filter: blur(2px) saturate(1.3);
    mix-blend-mode: screen;
    animation: psy-clouds 60s ease-in-out infinite alternate;
}

/* Neon diagonal grid – subtle, like prog album art */
body.psychedelic-wiki::after {
    content: "";
    position: fixed;
    inset: -20vh;
    z-index: -1;
    pointer-events: none;

    background-image:
        linear-gradient(120deg, var(--psy-grid-color) 1px, transparent 1px),
        linear-gradient(-120deg, var(--psy-grid-color) 1px, transparent 1px);
    background-size: 120px 120px;
    opacity: 0.7;
    mix-blend-mode: soft-light;
    animation: psy-grid-drift 80s linear infinite;
}

/* When the background is toggled off */
body.psychedelic-wiki.psychedelic-wiki-off::before,
body.psychedelic-wiki.psychedelic-wiki-off::after {
    opacity: 0;
    transition: opacity 0.6s ease-out;
}

/* Keyframes for slow motion “space clouds” */
@keyframes psy-clouds {
    0% {
        transform: translate3d(-2%, -2%, 0) scale(1.05);
        filter: blur(3px) hue-rotate(0deg);
    }
    50% {
        transform: translate3d(2%, 2%, 0) scale(1.1);
        filter: blur(2px) hue-rotate(40deg);
    }
    100% {
        transform: translate3d(-3%, 3%, 0) scale(1.08);
        filter: blur(3px) hue-rotate(80deg);
    }
}

/* Grid drifting sideways forev*