/*
 * Glow Cards Effect - Light Theme Only
 * Adapted for iDeepX project
 * Creates glowing border effect that follows mouse pointer
 */

.glow-card {
    /* Variables for glow effect */
    --glow-sens: 30;
    --color-sens: calc(var(--glow-sens) + 20);
    --pointer-°: 45deg;
    --pointer-x: 50%;
    --pointer-y: 50%;
    --pointer-d: 0;

    /* Light theme colors */
    --glow-color: 280deg 90% 95%; /* Purple/violet glow */
    --glow-boost: 15%;
    --glow-blend: luminosity;
    --blend: darken;

    /* Card setup */
    position: relative;
    isolation: isolate;
    transform: translate3d(0, 0, 0.01px); /* GPU acceleration */
}

.glow-card::before,
.glow-card::after,
.glow-card > .glow {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    transition: opacity 0.25s ease-out;
    pointer-events: none;
}

/* Hide effect when not hovering */
.glow-card:not(:hover):not(.animating)::before,
.glow-card:not(:hover):not(.animating)::after,
.glow-card:not(:hover):not(.animating) > .glow {
    opacity: 0;
    transition: opacity 0.75s ease-in-out;
}

/* Layer 1: Colored mesh gradient border */
.glow-card::before {
    border: 1px solid transparent;
    z-index: 0;

    background:
        linear-gradient(rgba(255,255,255,0) 0% 100%) border-box,
        radial-gradient(at 80% 55%, hsla(268,100%,76%,1) 0px, transparent 50%) border-box,
        radial-gradient(at 69% 34%, hsla(349,100%,74%,1) 0px, transparent 50%) border-box,
        radial-gradient(at 8% 6%, hsla(136,100%,78%,1) 0px, transparent 50%) border-box,
        radial-gradient(at 41% 38%, hsla(192,100%,64%,1) 0px, transparent 50%) border-box,
        radial-gradient(at 86% 85%, hsla(186,100%,74%,1) 0px, transparent 50%) border-box,
        radial-gradient(at 82% 18%, hsla(52,100%,65%,1) 0px, transparent 50%) border-box,
        radial-gradient(at 51% 4%, hsla(12,100%,72%,1) 0px, transparent 50%) border-box,
        linear-gradient(#c299ff 0 100%) border-box;

    /* Opacity increases as pointer gets near edge */
    opacity: calc((var(--pointer-d) - var(--color-sens)) / (100 - var(--color-sens)));

    /* Border masked to a cone, following pointer */
    -webkit-mask-image:
        conic-gradient(
            from var(--pointer-°) at center,
            black 25%,
            transparent 40%,
            transparent 60%,
            black 75%
        );
    mask-image:
        conic-gradient(
            from var(--pointer-°) at center,
            black 25%,
            transparent 40%,
            transparent 60%,
            black 75%
        );
}

/* Layer 2: Mesh gradient background overlay */
.glow-card::after {
    border: 1px solid transparent;
    z-index: 0;

    background:
        radial-gradient(at 80% 55%, hsla(268,100%,76%,1) 0px, transparent 50%) padding-box,
        radial-gradient(at 69% 34%, hsla(349,100%,74%,1) 0px, transparent 50%) padding-box,
        radial-gradient(at 8% 6%, hsla(136,100%,78%,1) 0px, transparent 50%) padding-box,
        radial-gradient(at 41% 38%, hsla(192,100%,64%,1) 0px, transparent 50%) padding-box,
        radial-gradient(at 86% 85%, hsla(186,100%,74%,1) 0px, transparent 50%) padding-box,
        radial-gradient(at 82% 18%, hsla(52,100%,65%,1) 0px, transparent 50%) padding-box,
        radial-gradient(at 51% 4%, hsla(12,100%,72%,1) 0px, transparent 50%) padding-box,
        linear-gradient(#c299ff 0 100%) padding-box;

    /* Complex mask for squircle cut-out effect */
    -webkit-mask-image:
        linear-gradient(to bottom, black, black),
        radial-gradient(ellipse at 50% 50%, black 40%, transparent 65%),
        radial-gradient(ellipse at 66% 66%, black 5%, transparent 40%),
        radial-gradient(ellipse at 33% 33%, black 5%, transparent 40%),
        radial-gradient(ellipse at 66% 33%, black 5%, transparent 40%),
        radial-gradient(ellipse at 33% 66%, black 5%, transparent 40%),
        conic-gradient(from var(--pointer-°) at center, transparent 5%, black 15%, black 85%, transparent 95%);
    mask-image:
        linear-gradient(to bottom, black, black),
        radial-gradient(ellipse at 50% 50%, black 40%, transparent 65%),
        radial-gradient(ellipse at 66% 66%, black 5%, transparent 40%),
        radial-gradient(ellipse at 33% 33%, black 5%, transparent 40%),
        radial-gradient(ellipse at 66% 33%, black 5%, transparent 40%),
        radial-gradient(ellipse at 33% 66%, black 5%, transparent 40%),
        conic-gradient(from var(--pointer-°) at center, transparent 5%, black 15%, black 85%, transparent 95%);

    -webkit-mask-composite: source-out, source-over, source-over, source-over, source-over, source-over;
    mask-composite: subtract, add, add, add, add, add;

    /* Opacity increases as pointer gets near edge */
    opacity: calc((var(--pointer-d) - var(--color-sens)) / (100 - var(--color-sens)));
    mix-blend-mode: var(--blend);
}

/* Layer 3: Glowing light effect */
.glow-card > .glow {
    --outset: 20px; /* Reduced from 40px for smaller cards */

    /* Outer padding so glow can overflow without being masked */
    inset: calc(var(--outset) * -1);
    pointer-events: none;
    z-index: 0;

    /* Glow masked to a cone, following pointer */
    -webkit-mask-image:
        conic-gradient(
            from var(--pointer-°) at center,
            black 2.5%,
            transparent 10%,
            transparent 90%,
            black 97.5%
        );
    mask-image:
        conic-gradient(
            from var(--pointer-°) at center,
            black 2.5%,
            transparent 10%,
            transparent 90%,
            black 97.5%
        );

    /* Opacity increases as pointer gets near edge */
    opacity: calc((var(--pointer-d) - var(--glow-sens)) / (100 - var(--glow-sens)));
    mix-blend-mode: var(--glow-blend);
}

.glow-card > .glow::before {
    content: "";
    position: absolute;
    inset: var(--outset);
    border-radius: inherit;

    /* Multiple layered box-shadows for glow effect */
    box-shadow:
        inset 0 0 0 1px hsl(var(--glow-color) / 100%),
        inset 0 0 1px 0 hsl(var(--glow-color) / calc(var(--glow-boost) + 60%)),
        inset 0 0 3px 0 hsl(var(--glow-color) / calc(var(--glow-boost) + 50%)),
        inset 0 0 6px 0 hsl(var(--glow-color) / calc(var(--glow-boost) + 40%)),
        inset 0 0 15px 0 hsl(var(--glow-color) / calc(var(--glow-boost) + 30%)),
        inset 0 0 25px 2px hsl(var(--glow-color) / calc(var(--glow-boost) + 20%)),
        inset 0 0 50px 2px hsl(var(--glow-color) / calc(var(--glow-boost) + 10%)),
        0 0 1px 0 hsl(var(--glow-color) / calc(var(--glow-boost) + 60%)),
        0 0 3px 0 hsl(var(--glow-color) / calc(var(--glow-boost) + 50%)),
        0 0 6px 0 hsl(var(--glow-color) / calc(var(--glow-boost) + 40%)),
        0 0 15px 0 hsl(var(--glow-color) / calc(var(--glow-boost) + 30%)),
        0 0 25px 2px hsl(var(--glow-color) / calc(var(--glow-boost) + 20%)),
        0 0 50px 2px hsl(var(--glow-color) / calc(var(--glow-boost) + 10%));
}

/* Inner wrapper maintains z-index above effect layers */
.glow-card > .inner {
    position: relative;
    z-index: 1;
    border-radius: inherit;
}