.pdf-preview {
    border: 1px solid #d7deeb;
    border-radius: 8px;
    overflow: hidden;
    background: #f8faff;
}

.pdf-preview[hidden] { display: none; }

.pdf-preview-heading {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 14px;
    border-bottom: 1px solid #dfe5ee;
}

.pdf-preview-heading strong { display: block; }
.pdf-preview-heading small {
    display: block;
    margin-top: 3px;
    color: #71809b;
    overflow-wrap: anywhere;
}

.pdf-preview-close {
    padding: 0 8px;
    background: transparent;
    color: #60708d;
    font-size: 25px;
    line-height: 1;
}

.pdf-preview iframe {
    display: block;
    width: 100%;
    height: 520px;
    border: 0;
    background: white;
}

.pdf-preview-message {
    margin: 0;
    padding: 20px;
    color: #71809b;
}

@media (max-width: 800px) {
    .pdf-preview iframe { height: 380px; }
}