/* PDF Popup Styles */
.pdf-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    z-index: 10000;
    display: none;
    justify-content: center;
    align-items: center;
    padding: 20px;
    box-sizing: border-box;
}

.pdf-popup-content {
    background: white;
    border-radius: 12px;
    width: 90%;
    max-width: 900px;
    height: 90%;
    max-height: 800px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    animation: pdfPopupSlideIn 0.3s ease-out;
}

@keyframes pdfPopupSlideIn {
    from {
        transform: scale(0.9) translateY(20px);
        opacity: 0;
    }
    to {
        transform: scale(1) translateY(0);
        opacity: 1;
    }
}

.pdf-popup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid #e5e5e5;
    background: #f8f9fa;
}

.pdf-popup-title {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: #333;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.pdf-popup-close {
    background: none;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #666;
    transition: all 0.2s ease;
    font-size: 14px;
}

.pdf-popup-close:hover {
    background: #e9ecef;
    color: #333;
}

.pdf-viewer {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    background: #f5f5f5;
}

.pdf-viewer embed {
    width: 100%;
    height: 100%;
    border: none;
}

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

.pdf-fallback {
    padding: 40px;
    text-align: center;
    color: #666;
    background: white;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.pdf-fallback h3 {
    margin: 0 0 16px 0;
    color: #333;
    font-size: 20px;
}

.pdf-fallback p {
    margin: 0 0 24px 0;
    line-height: 1.5;
}

.pdf-download-btn {
    background: #007AFF;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: background 0.2s ease;
}

.pdf-download-btn:hover {
    background: #0056b3;
}

.pdf-download-btn i {
    font-size: 16px;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .pdf-popup-content {
        width: 95%;
        height: 95%;
        margin: 10px;
    }
    
    .pdf-popup-header {
        padding: 16px 20px;
    }
    
    .pdf-popup-title {
        font-size: 16px;
    }
    
    .pdf-fallback {
        padding: 30px 20px;
    }
}