body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: system-ui, sans-serif;
    background-color: #121212;
    color: #ffffff;
}

:root {
    --viewport-height: 100vh;
}

@supports (height: 100dvh) {
    :root {
        --viewport-height: 100dvh;
    }
}

.game-play-fullscreen {
    position: relative;
    width: 100%;
    height: var(--viewport-height);
    display: flex;
    justify-content: center;
    align-items: center;
    background: radial-gradient(circle at center, #1e1e1e, #0a0a0a);
    overflow: hidden;
}

.game-iframe {
    width: 100%;
    height: 100%;
    border: none;
}
/* Opcional: mejor experiencia en pantallas grandes */

@media (min-width: 1024px) {
    .game-iframe {
        max-width: 1200px;
        margin: 0 auto;
    }
}

.return-button {
    position: absolute;
    top: 1rem;
    left: 1rem;
    z-index: 10;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.game-play-fullscreen:hover .return-button {
    opacity: 1;
}