.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 10px;
    padding: 20px;
}

.grid-container img {
    width: 100%;
    cursor: pointer;
    transition: transform 0.2s;
}

.grid-container img:hover { transform: scale(1.05); }

/* Modal Styling */
.modal {
    display: none;
    position: fixed;
    z-index: 100;
    left: 0; top: 0;
    width: 100%; height: 100%;
    background-color: rgba(0,0,0,0.9);
}

.modal-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 80%;
}

#caption {
    margin-top: 20px;
    text-align: center;
    color: #ccc;
    font-family: sans-serif;
    font-size: 1.2rem;
    font-weight: bold;
}

.nav-buttons { text-align: center; margin-top: 15px; }
.close { position: absolute; top: 20px; right: 35px; color: white; font-size: 40px; cursor: pointer; }