/* ------------------------------------------ */
/* ESTILOS GENERALES | STYLES */
body {
    font-family: 'Montserrat', sans-serif;
    margin: 0;
    padding: 0;
    background: radial-gradient(circle at center, #3b2a1a 0%, #1f140a 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
}

/* Título principal con estilo de casino | Main title with casino style */
h1 {
    margin-top: 30px;
    font-size: 3rem;
    color: #f3e5ab;
    text-shadow: 2px 2px 6px rgba(0, 0, 0, 0.6);
    background: rgba(0, 0, 0, 0.3);
    padding: 10px 25px;
    border-radius: 20px;
}

/* ------------------------------------------ */
/* MESA Y CARTAS | TABLE AND CARDS */
/* Área de la mesa (contenedor de cartas) | Table area (card container) */
.main-container {
    display: grid;
    grid-template-columns: repeat(4, 100px);
    grid-template-rows: repeat(2, 100px);
    gap: 20px;
    background: #755b3b;
    border: 5px solid #5a4229;
    border-radius: 25px;
    box-shadow: inset 0 0 15px rgba(0, 0, 0, 0.5), 0 8px 25px rgba(0, 0, 0, 0.6);
    padding: 60px;
    margin: auto;
    margin-top: 30px;
    justify-content: center;
}

/* Cada carta | Each card */
.container-image {
    width: 100px;
    height: 120px;
    perspective: 1000px;
    position: relative;
}

/* Transición suave | Smooth transition */
.transicion {
    transition: transform 0.3s ease;
}

/* Caras de la carta | Card faces */
.container-image img {
    position: absolute;
    width: 100px;
    height: 120px;
    border-radius: 12px;
    box-shadow: 0 5px 12px rgba(0, 0, 0, 0.4);
    backface-visibility: hidden;
    transition: transform 0.6s;
}

/* Cara frontal (pregunta) | Front face (question)*/
.container-disguise {
    transform: rotateY(0deg);
    cursor: pointer;
    z-index: 2;
}

/* Cara trasera (respuesta) | Back face (answer)*/
.container-show {
    transform: rotateY(180deg);
}

/* Animación de giro al hacer flip | Animation of flip */
.container-image.is-flipped .container-disguise {
    transform: rotateY(180deg);
}

.container-image.is-flipped .container-show {
    transform: rotateY(0deg);
}

/* ------------------------------------------ */
/* BOTÓN "MEZCLAR" | "SHUFFLE" BUTTON */
.container-button {
    margin-top: 25px;
    padding: 10px 20px;
    font-size: 1rem;
    font-weight: bold;
    background-color: #ddb66f;
    color: #5b3e1c;
    border: 3px solid #b08851;
    border-radius: 10px;
    box-shadow: 0 3px 0 #a07a45;
    cursor: pointer;
    transition: transform 0.2s, background-color 0.3s;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.container-button:hover {
    background-color: #e3c080;
    transform: scale(1.05);
}

.container-button:active {
    transform: scale(0.95);
    box-shadow: 0 2px 0 #8c6b3e;
}

/* ------------------------------------------ */
/* MENSAJE DE VICTORIA | WIN MESSAGE */
#win-message {
    font-size: 2.5rem;
    font-weight: bold;
    color: #fff9c4;
    background-color: rgba(0, 0, 0, 0.75);
    padding: 20px 40px;
    border-radius: 20px;
    margin-top: 20px;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.4);
    text-align: center;
    animation: pop 0.5s ease;
    z-index: 100;
}

/* Oculto por defecto | Hidden by default */
.win-hidden {
    display: none;
}

/* Animación de aparición | Appearance animation */
@keyframes pop {
    0% {
        transform: scale(0.6);
        opacity: 0;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* ------------------------------------------ */
/* RESPONSIVE */
/* Tablets */
@media (max-width: 991px) {
    h1 {
        font-size: 2.2rem;
    }

    .main-container {
        grid-template-columns: repeat(3, 100px);
        grid-template-rows: auto;
    }
}

/* Móviles grandes | Large mobiles */
@media (max-width: 768px) {
    .main-container {
        grid-template-columns: repeat(2, 100px);
        padding: 25px;
    }

    .container-button {
        font-size: 0.95rem;
    }
}

/* Móviles pequeños | Small mobiles */
@media (max-width: 480px) {
    h1 {
        font-size: 1.8rem;
    }

    .main-container {
        grid-template-columns: repeat(2, 90px);
        gap: 14px;
        padding: 20px;
    }

    .container-image {
        width: 90px;
        height: 110px;
    }

    .container-image img {
        width: 90px;
        height: 110px;
    }

    .container-button {
        padding: 8px 16px;
        font-size: 0.9rem;
    }
}