/* Base styles */
.grid-container {
    display: grid;
    gap: 0 0;
    padding: 0;
    margin: 0;
    width: 100%;
}

.subfigure {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    padding: 3px;
    margin-bottom: 0;
    transition: transform 0.3s ease; /* Only transition the transform property */
    box-sizing: border-box;
}

.subfigure:hover {
    transform: scale(0.98);
}

.subfigure img {
    width: 100%;
    height: auto;
}

.subfigure-caption {
    text-align: center;
    font-size: 1.2rem;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding: 0 5px;
    box-sizing: border-box;
}

.main-caption {
    text-align: left;
    margin-top: 20px;
    grid-column: 1 / -1;
}

.enlarged-figure {
    display: none;
    grid-column: 1 / -1;
    margin: 20px 0;
    text-align: center;
}

.enlarged-figure img {
    max-width: 100%;
    height: auto;
}

.active {
    display: block;
}

.selected {
    border: 3px solid hsl(171, 100%, 41%);
    padding: 0;
    transform: scale(0.98);
}

/* Position subfigures and enlarged figures */
.grid-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-flow: dense;
}

/* Position enlarged figures after their respective rows */
.enlarged-figure[id="enlarged-figure-0"],
.enlarged-figure[id="enlarged-figure-1"],
.enlarged-figure[id="enlarged-figure-2"],
.enlarged-figure[id="enlarged-figure-3"] {
    grid-row: 2;
}

.enlarged-figure[id="enlarged-figure-4"],
.enlarged-figure[id="enlarged-figure-5"],
.enlarged-figure[id="enlarged-figure-6"],
.enlarged-figure[id="enlarged-figure-7"] {
    grid-row: 3;
}

.enlarged-figure[id="enlarged-figure-8"],
.enlarged-figure[id="enlarged-figure-9"],
.enlarged-figure[id="enlarged-figure-10"],
.enlarged-figure[id="enlarged-figure-11"] {
    grid-row: 4;
}

/* Main caption stays at the bottom */
.main-caption {
    grid-column: 1 / -1;
    grid-row: 5;
}

/* Responsive grid layouts */
@media screen and (max-width: 1023px) {
    .grid-container {
        grid-template-columns: repeat(3, 1fr);
    }

    /* Adjust enlarged figure positions for 3-column layout */
    .enlarged-figure[id="enlarged-figure-0"],
    .enlarged-figure[id="enlarged-figure-1"],
    .enlarged-figure[id="enlarged-figure-2"] {
        grid-row: 2;
    }

    .enlarged-figure[id="enlarged-figure-3"],
    .enlarged-figure[id="enlarged-figure-4"],
    .enlarged-figure[id="enlarged-figure-5"] {
        grid-row: 3;
    }

    .enlarged-figure[id="enlarged-figure-6"],
    .enlarged-figure[id="enlarged-figure-7"],
    .enlarged-figure[id="enlarged-figure-8"] {
        grid-row: 4;
    }

    .enlarged-figure[id="enlarged-figure-9"],
    .enlarged-figure[id="enlarged-figure-10"],
    .enlarged-figure[id="enlarged-figure-11"] {
        grid-row: 5;
    }

    .main-caption {
        grid-row: 6;
    }
}

@media screen and (max-width: 767px) {
    .grid-container {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Adjust enlarged figure positions for 2-column layout */
    .enlarged-figure[id="enlarged-figure-0"],
    .enlarged-figure[id="enlarged-figure-1"] {
        grid-row: 2;
    }

    .enlarged-figure[id="enlarged-figure-2"],
    .enlarged-figure[id="enlarged-figure-3"] {
        grid-row: 3;
    }

    .enlarged-figure[id="enlarged-figure-4"],
    .enlarged-figure[id="enlarged-figure-5"] {
        grid-row: 4;
    }

    .enlarged-figure[id="enlarged-figure-6"],
    .enlarged-figure[id="enlarged-figure-7"] {
        grid-row: 5;
    }

    .enlarged-figure[id="enlarged-figure-8"],
    .enlarged-figure[id="enlarged-figure-9"] {
        grid-row: 6;
    }

    .enlarged-figure[id="enlarged-figure-10"],
    .enlarged-figure[id="enlarged-figure-11"] {
        grid-row: 7;
    }

    .main-caption {
        grid-row: 8;
        font-size: 0.9rem;
    }
}

/* Hover effect indicator */
.subfigure {
    position: relative;
    overflow: hidden;
}

.subfigure::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(171, 171, 171, 0.1);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.subfigure:hover::before {
    opacity: 1;
}