/**
 * PDF Protection and Viewer Styles
 */

.pdf-viewer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    display: none;
    justify-content: center;
    align-items: center;
}

.pdf-viewer-overlay.active {
    display: flex;
}

.pdf-viewer-container {
    position: relative;
    width: 90%;
    height: 90%;
    max-width: 1000px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
}

.pdf-viewer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
    border-radius: 8px 8px 0 0;
}

.pdf-viewer-title {
    font-size: 16px;
    font-weight: 600;
    color: #212529;
    margin: 0;
    max-width: 70%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pdf-viewer-controls {
    display: flex;
    gap: 10px;
}

.pdf-viewer-btn {
    padding: 8px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: background-color 0.3s ease;
}

.pdf-viewer-btn.download {
    background: #007bff;
    color: white;
}

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

.pdf-viewer-btn.close {
    background: #6c757d;
    color: white;
}

.pdf-viewer-btn.close:hover {
    background: #545b62;
}

.pdf-viewer-content {
    flex: 1;
    padding: 20px;
    overflow: hidden;
    position: relative;
}

.pdf-viewer-iframe {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 4px;
}

.pdf-viewer-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    font-size: 16px;
    color: #6c757d;
}

.pdf-viewer-error {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    padding: 20px;
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    border-radius: 4px;
    max-width: 400px;
}

.pdf-viewer-error h3 {
    margin: 0 0 10px 0;
    font-size: 18px;
}

.pdf-viewer-error p {
    margin: 0;
    font-size: 14px;
}

/* PDF Protection Warning */
.pdf-protection-warning {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(220, 53, 69, 0.9);
    color: white;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 12px;
    z-index: 10;
    pointer-events: none;
}

/* Disable text selection and right-click for PDF viewer */
.pdf-viewer-container {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.pdf-viewer-iframe {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    pointer-events: auto;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .pdf-viewer-container {
        width: 95%;
        height: 95%;
    }

    .pdf-viewer-header {
        padding: 10px 15px;
    }

    .pdf-viewer-title {
        font-size: 14px;
        max-width: 60%;
    }

    .pdf-viewer-btn {
        padding: 6px 12px;
        font-size: 12px;
    }

    .pdf-viewer-content {
        padding: 15px;
    }
}

@media (max-width: 480px) {
    .pdf-viewer-container {
        width: 100%;
        height: 100%;
        border-radius: 0;
    }

    .pdf-viewer-header {
        border-radius: 0;
    }

    .pdf-viewer-title {
        max-width: 50%;
    }
}

/* Animation for smooth opening/closing */
.pdf-viewer-overlay {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.pdf-viewer-overlay.active {
    opacity: 1;
}

.pdf-viewer-container {
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.pdf-viewer-overlay.active .pdf-viewer-container {
    transform: scale(1);
}

/* Hide buttons in iframe */
.pdf-viewer-iframe #printButton,
.pdf-viewer-iframe #downloadButton {
	display: none !important;
}

/* PDF overlay protection */
#pdf-overlay {
    pointer-events: none !important;
}


/* Prevent context menu on iframe */
.pdf-viewer-iframe {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Safari-specific PDF viewer styles */
@supports (-webkit-appearance: none) {
    .pdf-viewer-iframe {
        background: #ffffff !important;
    }
}

/* Safari PDF overlay protection */
#safari-pdf-overlay {
    pointer-events: none !important;
    background: transparent !important;
}

/* Ensure proper Safari PDF rendering */
@media screen and (-webkit-min-device-pixel-ratio: 0) {
    .pdf-viewer-content {
        background: #ffffff !important;
    }
    
    .pdf-viewer-iframe {
        background: #ffffff !important;
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
    }
}