.blocka-gallery-card {
    background: var(--Background-Color-Dark, #18182f);
    border-radius: 1em;
    box-shadow: 0 2px 12px #0005;
    padding: 0.7em;
    display: flexbox;
    align-items: center;
    justify-content: center;
    width: 120px;
    height: 120px;
    transition: transform 0.15s, box-shadow 0.15s;
}

.blocka-gallery-card.selected {
    box-shadow: 0 4px 24px var(--Primary-Color);
    border-color: var(--Primary-Color);
}

.blocka-gallery-card img {
    max-width: 100%;
    max-height: 100%;
    border-radius: 0.7em;
    object-fit: cover;
}
.blocka-gallery-card:hover {
    transform: scale(1.06);
    box-shadow: 0 4px 24px #0008;
}


/* Modal Gallery */
.blocka-gallery-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(18,14,38,0.85);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}
.blocka-gallery-modal.active {
    display: flex;
}
.blocka-gallery-modal__content {
    background: var(--Background-Color-Blueish);
    border-radius: 1em;
    padding: 2em;
    max-width: 90vw;
    max-height: 90vh;
    box-shadow: 0 4px 24px #0008;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}
.blocka-gallery-modal__close {
    position: absolute;
    top: 1em;
    right: 1em;
    background: none;
    border: none;
    color: var(--Primary-Color);
    font-size: 2rem;
    cursor: pointer;
}
.blocka-gallery-modal__title {
    color: var(--Primary-Color);
    margin-bottom: 1em;
}
.blocka-gallery-modal__images {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        grid-template-rows: repeat(2, 120px);
        gap: 1.5em;
        justify-items: center;
        align-items: center;
        min-width: 320px;
        min-height: 260px;
}

@media (max-width: 700px) {
    .blocka-gallery-modal__images {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(6, 100px);
        min-width: 0;
        min-height: 0;
    }
}
.blocka-menu__options--row {
    display: flex;
    flex-direction: row;
    gap: 2.2em;
    justify-content: center;
    margin-bottom: 0.2em;
    margin-top: 2.2em;
    padding-top: 0.5em;
}
.blocka-menu__howto, .blocka-menu__gallery {
    font-size: 0.95rem;
    padding: 0.5em 0;
    width: 110px;
    background: var(--Secondary-Color-Purple);
    color: var(--N-Light-Gray);
    font-weight: 600;
    border: none;
    border-radius: 0.2em;
    box-shadow: 0 2px 8px var(--Primary-Color-Dark, #2D8A81);
    opacity: 0.82;
    transition: background 0.2s, color 0.2s, opacity 0.2s, transform 0.1s;
    margin-bottom: 0;
    margin-top: 0;
}

.blocka-menu__howto:hover, .blocka-menu__gallery:hover {
    background: var(--Secondary-Color-Purple-Dark);
    color: var(--Primary-Color);
    opacity: 1;
    transform: translateY(-2px) scale(1.03);
}

.blocka-menu {
    min-height: 70vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    background: var(--Background-Color-Dark);
    border-radius: 0 0 1.5em 1.5em;
    box-shadow: 0 4px 24px var(--Primary-Color-Dark, #2D8A81);
    padding: 0;
    margin: 0;
}
.blocka-menu__container {
    max-width: 480px;
    width: 100%;
    margin: 0.7em auto 1.2em auto;
    background: var(--Background-Color-Blueish);
    border-radius: 1.5em;
    box-shadow: 0 4px 24px #0002;
    padding: 2.5em 1.5em;
}
.blocka-menu__title {
    font-size: 2.5rem;
    margin-bottom: 0.5em;
    color: var(--Primary-Color);
}
.blocka-menu__subtitle {
    margin-bottom: 2em;
    color: var(--N-Gray);
}
.blocka-menu__play {
    width: 100%;
    margin-bottom: 2.5em;
    font-size: 2.2rem;
    padding: 1.3em 0;
    background: var(--Primary-Color);
    color: #fff;
    box-shadow: 0 4px 16px var(--Primary-Color-Dark, #2D8A81);
    border: none;
    border-radius: 0.3em;
    font-weight: 800;
    letter-spacing: 1px;
    transition: background 0.2s, color 0.2s, transform 0.1s;
    display: block;
}
.blocka-menu__play:hover {
    background: var(--Primary-Color-Dark, #2D8A81);
    color: #fff;
    transform: translateY(-2px) scale(1.04);
}
.blocka-menu__options {
    display: flex;
    flex-direction: row;
    gap: 0.7em;
    justify-content: center;
    margin-bottom: 0.2em;
}
.blocka-menu__howto, .blocka-menu__gallery {
    font-size: 0.95rem;
    padding: 0.5em 0;
    width: 110px;
    background: var(--Secondary-Color-Purple);
    color: var(--N-Light-Gray);
    font-weight: 600;
    border: none;
    border-radius: 0.2em;
    box-shadow: 0 2px 8px var(--Primary-Color-Dark, #2D8A81);
    opacity: 0.82;
    transition: background 0.2s, color 0.2s, opacity 0.2s, transform 0.1s;
    margin-bottom: 0;
}
.blocka-menu__howto:hover, .blocka-menu__gallery:hover {
    background: var(--Secondary-Color-Purple-Dark);
    color: var(--Primary-Color);
    opacity: 1;
    transform: translateY(-2px) scale(1.03);
}

.blocka-howto-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(18,14,38,0.85);
        gap: 2.2em;
    align-items: center;
    justify-content: center;
}
.blocka-howto-modal.active {
    display: flex;
}
.blocka-howto-modal__content {
    background: var(--Background-Color-Blueish);
    border-radius: 1em;
    padding: 2em;
    max-width: 90vw;
    max-height: 90vh;
    box-shadow: 0 4px 24px #0008;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}
.blocka-howto-modal__close {
    position: absolute;
    top: 1em;
    right: 1em;
    background: none;
    border: none;
    color: var(--Primary-Color);
    font-size: 2rem;
    cursor: pointer;
}
.blocka-howto-modal__title {
    color: var(--Primary-Color);
    margin-bottom: 1em;
}
.blocka-howto-modal__animation {
    width: 220px;
    height: 220px;
    margin-bottom: 1em;
    display: flex;
    align-items: center;
    justify-content: center;
}
.blocka-howto-modal__desc {
    color: var(--N-Light-Gray);
    font-size: 1.1rem;
    text-align: center;
    max-width: 350px;
}
/* Blocka Menu principal - Inspirado en los ejemplos visuales del usuario */

#blocka-menu {
    min-height: 60vh;
    width: 1300px;
    display: flex;
    flex-direction: column;
    align-self: center;
    align-items: center;
    justify-content: flex-start;
    background: var(--Background-Color-Dark);
    background-image: url(../media/portada_BLOCKA.png);
    border-radius: 0 0 1.5em 1.5em;
    box-shadow: 0 4px 24px var(--Primary-Color-Dark, #2D8A81);
    padding: 0;
    margin: 0 auto;
}
#blocka-menu .container {
    max-width: 420px;
    width: 100%;
    margin: 3em auto 2em auto;
    background: var(--Background-Color-Blueish);
    box-shadow: 0 2px 8px var(--Primary-Color-Dark, #2D8A81);
    padding: 2.5em 1.5em;
    text-align: center;
    border-radius: 1.5em;
}
#blocka-menu h1 {
    font-size: 3rem;
    color: var(--Primary-Color);
    font-weight: 700;
    margin-bottom: 0.2em;
    letter-spacing: 1px;
    font-family: var(--Default-Font);
}
#blocka-menu .subtitle {
    font-size: 2rem;
    color: var(--N-Gray);
    margin-bottom: 2.5em;
    font-weight: 400;
    font-family: var(--Default-Font);
}
#blocka-menu .menu-options {
    display: flex;
    flex-direction: column;
    gap: 1.2em;
    align-items: center;
    margin-top: 1.5em;
}
#blocka-menu .btn-main, #blocka-menu .btn-secondary {
    width: 320px;
    max-width: 90vw;
    padding: 1em 0;
    font-size: 1.5rem;
    font-weight: 700;
    border: none;
    border-radius: 0.2em;
    background: var(--Secondary-Color-Purple);
    color: var(--N-Light-Gray);
    margin: 0 auto;
    box-shadow: 0 2px 8px var(--Primary-Color-Dark, #2D8A81);
    transition: background 0.2s, color 0.2s, transform 0.1s;
    cursor: pointer;
    font-family: var(--Default-Font);
}
#blocka-menu .btn-main:hover, #blocka-menu .btn-secondary:hover {
    background: var(--Secondary-Color-Purple-Dark);
    color: var(--Primary-Color);
    transform: translateY(-2px) scale(1.03);
}
#blocka-menu .btn-secondary {
    background: var(--Secondary-Color-Purple);
    color: var(--N-Light-Gray);
    font-weight: 700;
}

#difficulty-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-top: 20px;
}
#difficulty-buttons button {
    padding: 12px 32px;
    font-size: 1.1rem;
    border-radius: 8px;
    border: none;
    background: var(--color-accent, #84E9DD);
    color: #18143a;
    font-family: 'Poppins', Helvetica, Arial, sans-serif;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}
#difficulty-buttons button:hover {
    background: #18143a;
    color: #84E9DD;
    border: 2px solid #84E9DD;
}