/**
 * Custom PDF Print Formats
 * Handles A4 Landscape and 16:9 presentation formats
 */

/* Hide UI elements during PDF export (print-pdf mode) */
html.reveal-print #clock,
html[data-pdf-format] #clock,
html.reveal-print .notes-toggle-btn,
html[data-pdf-format] .notes-toggle-btn,
html.reveal-print .performance-mode-toggle-btn,
html[data-pdf-format] .performance-mode-toggle-btn,
html.reveal-print .pdf-export-button,
html[data-pdf-format] .pdf-export-button,
html.reveal-print .notes-overlay,
html[data-pdf-format] .notes-overlay,
html.reveal-print .taskbar,
html[data-pdf-format] .taskbar {
    display: none !important;
    visibility: hidden !important;
}

/* Hide rain effects and parallax layers */
html.reveal-print .rain-canvas,
html[data-pdf-format] .rain-canvas,
html.reveal-print .matrix-rain-canvas,
html[data-pdf-format] .matrix-rain-canvas,
html.reveal-print .parallax-layer,
html[data-pdf-format] .parallax-layer {
    display: none !important;
}

/* Hide excluded system slides by ID */
html.reveal-print #intro-slide,
html[data-pdf-format] #intro-slide,
html.reveal-print #load-tutorial,
html[data-pdf-format] #load-tutorial,
html.reveal-print #dynamic-tutorial,
html[data-pdf-format] #dynamic-tutorial,
html.reveal-print section[data-excluded-from-pdf],
html[data-pdf-format] section[data-excluded-from-pdf],
html.reveal-print .pdf-excluded,
html[data-pdf-format] .pdf-excluded {
    display: none !important;
    visibility: hidden !important;
    height: 0 !important;
    width: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    page-break-after: avoid !important;
    position: absolute !important;
    left: -9999px !important;
}

/* A4 Landscape Format (297mm x 210mm) */
@media print {
    @page {
        margin: 0;
    }
    
    /* When pdfFormat=a4-landscape is set */
    html[data-pdf-format="a4-landscape"] {
        @page {
            size: 297mm 210mm;
            margin: 0;
        }
    }
    
    /* When pdfFormat=16x9 is set */
    html[data-pdf-format="16x9"] {
        @page {
            size: 1920px 1080px;
            margin: 0;
        }
    }
}

/* A4 Landscape specific adjustments */
html[data-pdf-format="a4-landscape"].reveal-print {
    .pdf-page {
        width: 297mm !important;
        height: 210mm !important;
        box-sizing: border-box !important;
    }
    
    .reveal .slides section {
        /* Optimize for A4 landscape - generous padding to prevent cropping */
        max-width: 270mm !important;
        max-height: 185mm !important;
        padding: 12mm !important;
        margin: 0 auto !important;
        box-sizing: border-box !important;
        
        /* Ensure content scales properly */
        font-size: 0.9em !important;
    }
    
    /* Scale down content to fit better within margins */
    .reveal .slides {
        zoom: 0.9;
    }
    
    /* Ensure images don't overflow */
    .reveal .slides section img {
        max-width: 100% !important;
        max-height: 150mm !important;
        object-fit: contain !important;
    }
    
    /* Ensure tables fit */
    .reveal .slides section table {
        font-size: 0.85em !important;
        max-width: 100% !important;
    }
    
    /* Ensure code blocks fit */
    .reveal .slides section pre {
        max-width: 100% !important;
        font-size: 0.7em !important;
    }
}

/* 16:9 format specific adjustments */
html[data-pdf-format="16x9"].reveal-print {
    .pdf-page {
        width: 1920px !important;
        height: 1080px !important;
    }
    
    .reveal .slides section {
        /* Optimize for 16:9 */
        max-width: 1880px !important;
        max-height: 1040px !important;
    }
}