.image-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.image-modal.show {
    opacity: 1;
}

.modal-content {
    display: block;
    position: relative;
    margin: auto;
    max-width: 90%;
    max-height: 90vh;
    top: 50%;
    transform: translateY(-50%) scale(0.9);
    transition: transform 0.3s ease;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.3);
}

.image-modal.show .modal-content {
    transform: translateY(-50%) scale(1);
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 30px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
    z-index: 1001;
    cursor: pointer;
}

.close-modal:hover,
.close-modal:focus {
    color: var(--primary-color);
    text-decoration: none;
    transform: rotate(90deg);
}

.modal-caption {
    position: absolute;
    bottom: 20px;
    left: 0;
    width: 100%;
    text-align: center;
    color: white;
    padding: 10px 0;
    background-color: rgba(0, 0, 0, 0.7);
    font-size: 18px;
}

/* Animation for modal */
@keyframes zoomIn {
    from {transform: translateY(-50%) scale(0);}
    to {transform: translateY(-50%) scale(1);}
}

@keyframes fadeIn {
    from {opacity: 0;}
    to {opacity: 1;}
}

/* Responsive adjustments */
@media screen and (max-width: 768px) {
    .close-modal {
        top: 10px;
        right: 15px;
        font-size: 30px;
    }
    
    .modal-caption {
        font-size: 16px;
        padding: 8px 0;
    }
}