/* ===== Holographic card visuals (scoped to .badge-modal) =====
 * Ported from SparkingCard demo. CSS custom properties drive 3D tilt
 * and multi-layer shine; the JS in badge-card.js mutates them on
 * pointer move via a spring solver. */

:root {
    --badge-card-aspect: 0.718;          /* Pokemon TCG card ratio */
    --badge-card-radius: 4.55% / 3.5%;
}

.badge-modal .card {
    width: min(72vw, 320px);
    aspect-ratio: var(--badge-card-aspect);
    border-radius: var(--badge-card-radius);
    perspective: 600px;
}

.badge-modal .card__rotator {
    --tilt-left-right: 0deg;
    --tilt-up-down: 0deg;
    --pointer-x: 50%;
    --pointer-y: 50%;
    --pointer-from-center: 0;
    --effect-intensity: 0;
    --background-x: 50%;
    --background-y: 50%;
    --space: 6%;
    --angle: 133deg;
    /* External foil texture, same CDN as the demo */
    --foil: url("https://i.imgur.com/vu5azD2.jpeg");
    --imgsize: 60% 30%;

    width: 100%;
    height: 100%;
    display: grid;
    border-radius: inherit;
    transform: rotateY(var(--tilt-left-right)) rotateX(var(--tilt-up-down));
    transform-origin: center;
    will-change: transform;
    box-shadow: 0 18px 36px rgba(0, 0, 0, 0.42), 0 4px 12px rgba(0, 0, 0, 0.34);
}

.badge-modal .card__front,
.badge-modal .card__front > * {
    grid-area: 1 / 1;
    width: 100%;
    height: 100%;
    border-radius: inherit;
}

.badge-modal .card__front {
    display: grid;
    overflow: hidden;
}

.badge-modal .card__front img {
    display: block;
    object-fit: cover;
    user-select: none;
    pointer-events: none;
}

/* Shine layer 1: foil texture × repeating rainbow × pointer-following radial.
 * Three background-image layers blended with `difference / luminosity / soft-light`,
 * then the whole layer color-dodged onto the artwork. Opacity ties to pointer
 * intensity so the effect fades out when the mouse leaves. */
.badge-modal .card__shine {
    display: grid;
    background-image: var(--foil),
        repeating-linear-gradient(-33deg,
            hsl(2, 70%, 47%) calc(var(--space) * 1),
            hsl(228, 60%, 64%) calc(var(--space) * 2),
            hsl(176, 55%, 39%) calc(var(--space) * 3),
            hsl(123, 68%, 35%) calc(var(--space) * 4),
            hsl(283, 75%, 57%) calc(var(--space) * 5),
            hsl(2, 70%, 47%) calc(var(--space) * 6)),
        repeating-linear-gradient(var(--angle),
            hsla(227, 53%, 12%, 0.5) 0%,
            hsl(180, 10%, 50%) 2.5%,
            hsl(83, 50%, 35%) 5%,
            hsl(180, 10%, 50%) 7.5%,
            hsla(227, 53%, 12%, 0.5) 10%,
            hsla(227, 53%, 12%, 0.5) 15%),
        radial-gradient(farthest-corner circle at var(--pointer-x) var(--pointer-y),
            hsla(189, 76%, 77%, 0.6) 0%,
            hsla(147, 59%, 77%, 0.6) 25%,
            hsla(271, 55%, 69%, 0.6) 50%,
            hsla(355, 56%, 72%, 0.6) 75%);
    background-size: var(--imgsize), 1100% 1100%, 600% 600%, 200% 200%;
    background-blend-mode: difference, luminosity, soft-light, normal;
    mix-blend-mode: color-dodge;
    background-position: center, var(--background-x) var(--background-y),
        var(--background-x) var(--background-y),
        var(--background-x) var(--background-y);
    opacity: var(--effect-intensity);
    filter: brightness(calc((var(--pointer-from-center) * 0.4) + 0.4)) contrast(2) saturate(1);
}

/* Shine layer 2: sunpillar rainbow stripes on top, lighten-blended.
 * The `::after` doubles up so the rainbow is visible even on dark artwork. */
.badge-modal .card__shine::after {
    --sunpillar-1: hsl(2, 100%, 73%);
    --sunpillar-2: hsl(53, 100%, 69%);
    --sunpillar-3: hsl(93, 100%, 69%);
    --sunpillar-4: hsl(176, 100%, 76%);
    --sunpillar-5: hsl(228, 100%, 74%);
    --sunpillar-6: hsl(283, 100%, 73%);

    content: "";
    grid-area: 1 / 1;
    border-radius: inherit;
    background-image: repeating-linear-gradient(0deg,
            var(--sunpillar-6) calc(var(--space) * 1),
            var(--sunpillar-1) calc(var(--space) * 2),
            var(--sunpillar-2) calc(var(--space) * 3),
            var(--sunpillar-3) calc(var(--space) * 4),
            var(--sunpillar-4) calc(var(--space) * 5),
            var(--sunpillar-5) calc(var(--space) * 6),
            var(--sunpillar-6) calc(var(--space) * 7)),
        repeating-linear-gradient(var(--angle),
            #0e152e 0%,
            hsl(180, 10%, 60%) 3.8%,
            hsl(180, 29%, 66%) 4.5%,
            hsl(180, 10%, 60%) 5.2%,
            #0e152e 10%,
            #0e152e 12%);
    background-blend-mode: hue, normal;
    background-size: 200% 700%, 300% 100%;
    background-position: 0% var(--background-y),
        var(--background-x) var(--background-y);
    mix-blend-mode: lighten;
    opacity: calc((0.3 * var(--effect-intensity)) + var(--effect-intensity) *
            var(--pointer-from-center) * 0.5);
}

/* Glare: white spotlight that tracks the pointer, hard-light blended.
 * This is what reads as "specular highlight" to the eye. */
.badge-modal .card__glare {
    background-image: radial-gradient(farthest-corner circle at var(--pointer-x) var(--pointer-y),
            hsla(0, 0%, 100%, 0.75) 0%,
            hsl(0, 0%, 0%) 120%);
    mix-blend-mode: hard-light;
    opacity: calc((0.2 * var(--effect-intensity)) + var(--effect-intensity) *
            var(--pointer-from-center) * 0.8);
}

/* ===== Thumbnail (in nickname row) =====
 * Small card-shaped button. A diagonal shimmer sweeps across it on a
 * loop to hint that there's something special inside — the full
 * pointer-driven hologram is reserved for the modal. */

.profile-badge-thumb {
    width: 36px;
    aspect-ratio: var(--badge-card-aspect);
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    padding: 0;
    margin: 0;
    background: transparent;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
    transition: transform 180ms ease, box-shadow 180ms ease;
}

.profile-badge-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    pointer-events: none;
}

/* Continuous diagonal shimmer sweep across the thumb — 2.4s loop,
 * dwells off-screen 40% of the cycle so it feels occasional, not frantic. */
.profile-badge-thumb::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg,
            transparent 35%,
            rgba(255, 255, 255, 0.55) 50%,
            transparent 65%);
    transform: translateX(-120%);
    animation: badge-thumb-shimmer 2.4s ease-in-out infinite;
    pointer-events: none;
}

.profile-badge-thumb:hover {
    transform: translateY(-1px) scale(1.05);
    box-shadow: 0 4px 12px rgba(255, 200, 230, 0.45);
}

.profile-badge-thumb:focus-visible {
    outline: 2px solid #FF6B9D;
    outline-offset: 2px;
}

@keyframes badge-thumb-shimmer {
    0%   { transform: translateX(-120%); }
    60%  { transform: translateX(120%); }
    100% { transform: translateX(120%); }
}

/* ===== Modal overlay ===== */
.badge-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: badge-modal-fade 200ms ease forwards;
}

.badge-modal[hidden] {
    display: none;
}

.badge-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(8, 10, 16, 0.78);
    backdrop-filter: blur(6px);
    cursor: pointer;
}

.badge-modal__content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
}

.badge-modal__name {
    color: #f7f3ea;
    font-size: 0.95rem;
    letter-spacing: 0.08em;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.6);
}

.badge-modal__close {
    position: absolute;
    top: 24px;
    right: 28px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.22);
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    font-size: 1.2rem;
    line-height: 1;
    cursor: pointer;
    z-index: 2;
}

.badge-modal__close:hover {
    background: rgba(255, 255, 255, 0.18);
}

body.badge-modal-open {
    overflow: hidden;
}

@keyframes badge-modal-fade {
    from { opacity: 0; }
    to   { opacity: 1; }
}