.preview-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1050;
}
.preview-modal-content {
    background-color: white;
    padding: 20px;
    border-radius: 8px;
    width: 80vw;
    height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 5px 15px rgba(0,0,0,.5);
}
.preview-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #dee2e6;
    padding-bottom: 10px;
    margin-bottom: 15px;
}
.preview-modal-close {
    border: none;
    background: transparent;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
}
.preview-modal-body {
    flex-grow: 1;
    overflow: auto;
}
.preview-modal-body iframe {
    width: 100%;
    height: 100%;
    border: none;
}