.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0; top: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.7);
    justify-content: center;
    align-items: center;
}
.modal-content {
    background: #fff;
    padding: 1rem;
    border-radius: 8px;
    max-width: 90vw;
    max-height: 90vh;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
    text-align: center;
    position: relative;
}
.modal-content img {
    max-width: 100%;
    max-height: 70vh;
}
.close-modal {
    background: #e74c3c;
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    font-size: 1.2rem;
    position: absolute;
    top: 10px;
    right: 10px;
    cursor: pointer;
}
@media (max-width: 600px) {
    .modal-content img {
        max-height: 40vh;
    }
}