/* 학술행사 본문의 PDF 뷰어 — pdf_viewer.js 와 함께 불러온다 (conference/guide · registration · abstract_register) */

.pdf-viewer-container {
    width: 100%;
    margin: 20px 0;
    border: 1px solid #ddd;
    border-radius: 4px;
    overflow: hidden;
}

.pdf-viewer-iframe {
    width: 100%;
    height: 800px;
    border: none;
}

.pdf-canvas-container {
    position: relative;
    width: 100%;
    text-align: center;
    background: #f5f5f5;
    padding: 20px 0;
}

.pdf-canvas {
    max-width: 100%;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    background: white;
}

.pdf-controls {
    padding: 10px;
    background: #f8f9fa;
    text-align: center;
    border-bottom: 1px solid #dee2e6;
}

.pdf-controls button {
    margin: 0 5px;
    padding: 5px 15px;
    border: 1px solid #6c757d;
    background: white;
    border-radius: 3px;
    cursor: pointer;
}

.pdf-controls button:hover {
    background: #e9ecef;
}

.pdf-page-info {
    display: inline-block;
    margin: 0 15px;
    font-size: 14px;
}

.pdf-error {
    padding: 20px;
    text-align: center;
    color: #dc3545;
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    border-radius: 4px;
    margin: 20px 0;
}