/* 
 * HERO BATTLE ANIMATION STYLES
 * Handles the Anime Pop Card Battle visualization
 */

/* Container Setup */
[data-hero-battle] {
    position: relative;
    overflow: hidden;
    /* Ensure content sits above battle */
    isolation: isolate; 
}

[data-arena] {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none; /* Pass clicks through to content */
    background: radial-gradient(circle at center, rgba(30, 30, 45, 0.4) 0%, rgba(10, 10, 20, 0.9) 100%);
}

/* Speedlines Overlay */
[data-speedlines] {
    position: absolute;
    inset: -50%; /* Oversize to allow rotation/movement */
    width: 200%;
    height: 200%;
    background: repeating-linear-gradient(
        90deg,
        transparent 0,
        transparent 40px,
        rgba(255, 255, 255, 0.03) 40px,
        rgba(255, 255, 255, 0.03) 41px
    );
    opacity: 0.08;
    transform: rotate(15deg);
    mask-image: radial-gradient(circle at center, transparent 20%, black 80%);
    -webkit-mask-image: radial-gradient(circle at center, transparent 20%, black 80%);
    z-index: 1;
}

/* Cards */
[data-card] {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200px; /* Base mobile size */
    height: 300px;
    transform: translate(-50%, -50%);
    z-index: 10;
    will-change: transform, opacity;
    /* Default hidden state for entrance */
    opacity: 0; 
}

@media (min-width: 768px) {
    [data-card] {
        width: 260px;
        height: 380px;
    }
}

/* Card Images */
[data-card] img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* FX Layers */
[data-flash] {
    position: absolute;
    inset: 0;
    background-color: white;
    opacity: 0;
    mix-blend-mode: overlay;
    z-index: 50;
    pointer-events: none;
}

[data-slash] {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 120%;
    max-width: none;
    transform: translate(-50%, -50%) scale(0.5) rotate(-15deg);
    opacity: 0;
    mix-blend-mode: screen;
    z-index: 40;
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.8));
}

/* Shockwave */
[data-shockwave] {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    z-index: 30;
    pointer-events: none;
}

[data-shockwave-ring] {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 4px solid rgba(255, 255, 255, 0.8);
    opacity: 0;
    transform: scale(0);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.4);
}

/* Sparks Container */
[data-sparks] {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    z-index: 45;
}

/* Spark Particle */
.battle-spark {
    position: absolute;
    width: 4px;
    height: 4px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 0 4px #fff, 0 0 8px rgba(255, 215, 0, 0.8);
    pointer-events: none;
    opacity: 0;
}

/* Prefers Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    [data-card] {
        opacity: 1 !important;
        transform: translate(-50%, -50%) !important;
    }
    
    [data-card="a"] {
        transform: translate(-120%, -50%) rotate(-5deg) !important;
    }
    
    [data-card="b"] {
        transform: translate(20%, -50%) rotate(5deg) !important;
    }

    [data-speedlines],
    [data-flash],
    [data-slash],
    [data-shockwave],
    [data-sparks] {
        display: none !important;
    }
}