/* Modal Styles */
.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);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background-color: #fff;
    margin: 5% auto;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    width: 90%;
    max-width: 600px;
    position: relative;
    transition: transform 0.3s ease;
}

.close {
    position: absolute;
    top: 10px;
    right: 20px;
    color: #aaa;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close:hover,
.close:focus {
    color: #333;
}

.modal-header {
    text-align: center;
    margin-bottom: 15px;
    font-size: 1.6rem;
    color: #0056b3;
}

.image-container {
    position: relative;
    display: block;
}

.modal-image {
    display: block;
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 0 auto;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: opacity 0.3s ease;
}

.loading-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-top: 4px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Spinner Animation */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

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

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .modal-content {
        margin: 0;
        width: 100%;
        height: 100%;
        border-radius: 0;
    }

    .modal-header {
        font-size: 1.5rem;
    }

    .modal-image {
        margin-top: 10px;
    }
    
    .loading-spinner {
        width: 30px;
        height: 30px;
        margin: -15px 0 0 -15px;
    }
}