/* * ==================================================
 * LOADER DE TRANSICIÓN — COMPONENTE COMPARTIDO
 *
 * ! Selector visual: .wod-loader-transicion. Cada documento
 * ! aporta su propia instancia con ID propio:
 * ! - index.html      -> #loaderInicialHome (carga inicial
 * !   Home y transición interna Home → Catálogo, controlado
 * !   por window.wodLoader, bootstrap inline en index.html).
 * ! - detalle-juego.html -> #loaderDetalleJuego (controlador
 * !   propio inline en detalle-juego.html).
 * ! Cada instancia vive fija por encima del contenido de su
 * ! documento y permanece siempre en el DOM (nunca se elimina).
 * ================================================== */

.wod-loader-transicion {
    --wod-loader-magenta: #ff2ec4;
    --wod-loader-cian: var(--accent-global);
    --wod-loader-violeta: #7c3aed;
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 22px;
    overflow: hidden;
    background:
        radial-gradient(ellipse 900px 650px at 18% 15%, rgba(255, 46, 196, .16), transparent 60%),
        radial-gradient(ellipse 850px 700px at 85% 82%, rgba(15, 240, 252, .14), transparent 60%),
        radial-gradient(ellipse 1200px 900px at 50% 100%, rgba(124, 58, 237, .18), transparent 65%),
        linear-gradient(160deg, #05060d 0%, #0a0a17 35%, #130a24 65%, #070709 100%);
    background-color: var(--bg-dark);
    padding:
        env(safe-area-inset-top)
        env(safe-area-inset-right)
        env(safe-area-inset-bottom)
        env(safe-area-inset-left);
    opacity: 1;
    transition: opacity .25s ease;
}

/* ! Estado de salida: desbloquea la interacción de inmediato,
 * ! sin esperar a que termine el fundido. */
.wod-loader-transicion.wod-loader-salida {
    opacity: 0;
    pointer-events: none;
}

/* * Patrón tecnológico ambiental (grid + diagonales HUD). */
.wod-loader-transicion::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    opacity: .07;
    background-image:
        linear-gradient(rgba(15, 240, 252, .5) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 46, 196, .5) 1px, transparent 1px),
        repeating-linear-gradient(45deg, rgba(124, 58, 237, .4) 0 1px, transparent 1px 34px);
    background-size: 42px 42px, 42px 42px, auto;
    pointer-events: none;
}

/* * Halo violeta central, tercera capa de profundidad. */
.wod-loader-transicion::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background: radial-gradient(circle 480px at 50% 55%, rgba(124, 58, 237, .35), transparent 70%);
    filter: blur(70px);
    opacity: .5;
}

/* * Luces ambientales magenta/cian. */
.wod-loader-transicion .wod-loader-ambiente {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.wod-loader-transicion .wod-loader-ambiente::before,
.wod-loader-transicion .wod-loader-ambiente::after {
    content: "";
    position: absolute;
    width: min(70vw, 620px);
    height: min(70vw, 620px);
    border-radius: 50%;
    filter: blur(90px);
    opacity: .55;
}

.wod-loader-transicion .wod-loader-ambiente::before {
    top: -10%;
    left: -12%;
    background: radial-gradient(circle, var(--wod-loader-magenta), transparent 70%);
}

.wod-loader-transicion .wod-loader-ambiente::after {
    bottom: -14%;
    right: -10%;
    background: radial-gradient(circle, var(--wod-loader-cian), transparent 70%);
}

/* * Fragmentos decorativos (cruces, triángulos, esquinas HUD). */
.wod-loader-transicion .wod-loader-deco {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}

.wod-loader-transicion .wod-loader-frag {
    position: absolute;
    opacity: .5;
}

.wod-loader-transicion .wod-loader-frag--cruz {
    top: 22%;
    left: 20%;
    width: 12px;
    height: 12px;
}

.wod-loader-transicion .wod-loader-frag--cruz::before,
.wod-loader-transicion .wod-loader-frag--cruz::after {
    content: "";
    position: absolute;
    background: var(--wod-loader-cian);
}

.wod-loader-transicion .wod-loader-frag--cruz::before {
    top: 50%;
    left: 0;
    width: 100%;
    height: 1.5px;
    transform: translateY(-50%);
}

.wod-loader-transicion .wod-loader-frag--cruz::after {
    top: 0;
    left: 50%;
    width: 1.5px;
    height: 100%;
    transform: translateX(-50%);
}

.wod-loader-transicion .wod-loader-frag--cruz.wod-loader-frag--b {
    top: auto;
    left: auto;
    right: 18%;
    bottom: 26%;
}

.wod-loader-transicion .wod-loader-frag--cruz.wod-loader-frag--b::before,
.wod-loader-transicion .wod-loader-frag--cruz.wod-loader-frag--b::after {
    background: var(--wod-loader-magenta);
}

.wod-loader-transicion .wod-loader-frag--triangulo {
    top: 68%;
    left: 14%;
    width: 0;
    height: 0;
    border-left: 7px solid transparent;
    border-right: 7px solid transparent;
    border-bottom: 11px solid rgba(124, 58, 237, .55);
    transform: rotate(15deg);
}

.wod-loader-transicion .wod-loader-frag--triangulo.wod-loader-frag--b {
    top: 16%;
    left: auto;
    right: 16%;
    border-bottom-color: rgba(15, 240, 252, .5);
    transform: rotate(-25deg) scale(.8);
}

.wod-loader-transicion .wod-loader-frag--hud {
    top: 30%;
    right: 22%;
    width: 16px;
    height: 16px;
    border-top: 2px solid var(--wod-loader-magenta);
    border-right: 2px solid var(--wod-loader-magenta);
    opacity: .55;
}

.wod-loader-transicion .wod-loader-frag--hud.wod-loader-frag--b {
    top: auto;
    right: auto;
    bottom: 24%;
    left: 24%;
    border-top: none;
    border-right: none;
    border-bottom: 2px solid var(--wod-loader-cian);
    border-left: 2px solid var(--wod-loader-cian);
}

/* * Núcleo: barrido luminoso + logo de marca. */
.wod-loader-transicion .wod-loader-nucleo {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: clamp(380px, 30vw, 460px);
    aspect-ratio: 1536 / 1024;
}

.wod-loader-transicion .wod-loader-nucleo::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
    background: linear-gradient(115deg,
        transparent 40%,
        rgba(255, 255, 255, .55) 48%,
        rgba(15, 240, 252, .35) 52%,
        transparent 60%);
    background-size: 250% 250%;
    background-position: -120% -120%;
    mix-blend-mode: screen;
    opacity: 0;
    animation: wodLoaderBarrido 5.5s ease-in-out 2s infinite;
}

.wod-loader-transicion .wod-loader-logo-img {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    object-fit: contain;
    opacity: 0;
    transform: scale(.94);
    filter:
        drop-shadow(0 0 14px rgba(255, 46, 196, .35))
        drop-shadow(0 0 22px rgba(15, 240, 252, .25));
    animation:
        wodLoaderEntrada .6s cubic-bezier(.2, .8, .2, 1) .05s forwards,
        wodLoaderRespirar 3.6s ease-in-out 1s infinite;
}

@keyframes wodLoaderBarrido {

    0%,
    78% {
        background-position: -120% -120%;
        opacity: 0;
    }

    82% {
        opacity: .8;
    }

    92%,
    100% {
        background-position: 120% 120%;
        opacity: 0;
    }
}

@keyframes wodLoaderEntrada {
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes wodLoaderRespirar {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.015);
    }
}

/* * Indicador de carga: punto — línea — energía — línea — punto. */
.wod-loader-transicion .loader-inicial-indicador {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 10px;
    width: min(220px, 60vw);
}

.wod-loader-transicion .loader-inicial-punto {
    flex: 0 0 auto;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--wod-loader-cian);
    box-shadow: 0 0 8px rgba(15, 240, 252, .8);
    opacity: .85;
}

.wod-loader-transicion .loader-inicial-linea {
    position: relative;
    flex: 1 1 auto;
    height: 2px;
    overflow: hidden;
    border-radius: 2px;
    background: linear-gradient(90deg,
        rgba(15, 240, 252, 0),
        rgba(124, 58, 237, .55),
        rgba(255, 46, 196, 0));
}

.wod-loader-transicion .loader-inicial-brillo {
    position: absolute;
    inset: 0 auto 0 0;
    width: 42%;
    background: linear-gradient(90deg,
        transparent,
        var(--wod-loader-cian),
        var(--wod-loader-magenta),
        transparent);
    animation: wodLoaderIndicadorFlujo 1.8s ease-in-out infinite;
}

@keyframes wodLoaderIndicadorFlujo {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(330%);
    }
}

/* * Texto discreto bajo el indicador. */
.wod-loader-transicion .loader-inicial-texto {
    margin: 0;
    z-index: 1;
    font-size: .72rem;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--text-muted);
    text-shadow: 0 0 10px rgba(15, 240, 252, .25);
}

/* * ==================================================
 * RESPONSIVE — TABLET
 * ================================================== */
@media (max-width: 991px) {
    .wod-loader-transicion .wod-loader-nucleo {
        width: clamp(300px, 38vw, 380px);
    }

    .wod-loader-transicion .wod-loader-deco {
        opacity: .7;
    }
}

/* * ==================================================
 * RESPONSIVE — MÓVIL
 * ================================================== */
@media (max-width: 576px) {
    .wod-loader-transicion {
        gap: 16px;
    }

    .wod-loader-transicion .wod-loader-nucleo {
        width: clamp(240px, 62vw, 290px);
    }

    .wod-loader-transicion .wod-loader-ambiente::before,
    .wod-loader-transicion .wod-loader-ambiente::after {
        width: 62vw;
        height: 62vw;
        filter: blur(60px);
    }

    .wod-loader-transicion::before {
        opacity: .045;
        background-size: 30px 30px, 30px 30px, auto;
    }

    .wod-loader-transicion .wod-loader-deco {
        opacity: .45;
    }

    .wod-loader-transicion .loader-inicial-indicador {
        width: min(180px, 70vw);
    }

    .wod-loader-transicion .loader-inicial-texto {
        font-size: .66rem;
        letter-spacing: .14em;
    }
}

/* * ==================================================
 * MOVIMIENTO REDUCIDO
 *
 * Sin respiración, barrido ni flujo del indicador;
 * salida casi instantánea, pero siempre visible el
 * estado final (fondo, logo, composición).
 * ================================================== */
@media (prefers-reduced-motion: reduce) {
    .wod-loader-transicion {
        transition: opacity .01s linear;
    }

    .wod-loader-transicion .wod-loader-nucleo::after {
        display: none;
    }

    .wod-loader-transicion .wod-loader-logo-img {
        animation: none;
        opacity: 1;
        transform: none;
    }

    .wod-loader-transicion .loader-inicial-brillo {
        animation: none;
        opacity: .5;
        transform: translateX(60%);
    }
}