/* ==========================================================================
   Print Engine CSS for EDU HD Rooms User Manual
   Optimized specifically for A4 Portrait Printing & High-Precision PDF Export
   ========================================================================== */

@page {
    size: A4 portrait;
    margin: 15mm 12mm 15mm 12mm;
}

@media screen {
    .print-only {
        display: none !important;
    }
}

@media print {
    /* Reset & Clean screen elements */
    *, *::before, *::after {
        box-shadow: none !important;
        text-shadow: none !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
        color-adjust: exact !important;
    }

    html, body {
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
        background: #ffffff !important;
        color: #1a1a1a !important;
        font-family: 'Sarabun', 'TH Sarabun New', sans-serif !important;
        font-size: 11pt !important;
        line-height: 1.5 !important;
    }

    /* Hide UI navigation, search bar, interactive buttons, modal */
    header,
    nav,
    .manual-navbar,
    .manual-header-banner,
    .role-filter-bar,
    .search-filter-wrapper,
    .action-btn-group,
    .btn-export-pdf,
    .btn-print-page,
    .sidebar-toc-floating,
    .lightbox-modal,
    .no-print,
    .footer-action-panel {
        display: none !important;
    }

    /* Show print only elements */
    .print-only {
        display: block !important;
    }

    /* Container adjustments */
    .manual-container {
        max-width: 100% !important;
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    /* -------------------------------------------------------------
       Print Cover Page
       ------------------------------------------------------------- */
    .print-cover-page {
        display: flex !important;
        flex-direction: column !important;
        justify-content: space-between !important;
        align-items: center !important;
        height: 255mm !important;
        max-height: 260mm !important;
        text-align: center !important;
        padding: 25mm 10mm 15mm 10mm !important;
        page-break-after: always !important;
        border: 2px solid #0d9488 !important;
        border-radius: 6px !important;
        background: #ffffff !important;
        box-sizing: border-box !important;
    }

    .print-cover-header {
        margin-top: 10mm;
    }

    .print-cover-logo {
        max-height: 110px !important;
        width: auto !important;
        margin-bottom: 20px !important;
    }

    .print-cover-title {
        font-size: 24pt !important;
        font-weight: 700 !important;
        color: #0f172a !important;
        margin: 0 0 10px 0 !important;
        line-height: 1.3 !important;
    }

    .print-cover-subtitle {
        font-size: 15pt !important;
        font-weight: 600 !important;
        color: #0d9488 !important;
        margin: 0 0 15px 0 !important;
    }

    .print-cover-desc {
        font-size: 12pt !important;
        color: #475569 !important;
        max-width: 80% !important;
        margin: 0 auto !important;
        line-height: 1.6 !important;
    }

    .print-cover-badge {
        display: inline-block !important;
        padding: 6px 18px !important;
        background: #f1f5f9 !important;
        border: 1px solid #cbd5e1 !important;
        border-radius: 20px !important;
        font-size: 11pt !important;
        font-weight: 600 !important;
        color: #334155 !important;
        margin-top: 15px !important;
    }

    .print-cover-footer {
        margin-bottom: 10mm;
        width: 100%;
        border-top: 1px solid #e2e8f0;
        padding-top: 15px;
    }

    .print-cover-org {
        font-size: 13pt !important;
        font-weight: 700 !important;
        color: #1e293b !important;
        margin-bottom: 4px;
    }

    .print-cover-univ {
        font-size: 12pt !important;
        color: #64748b !important;
    }

    .print-cover-date {
        font-size: 10pt !important;
        color: #94a3b8 !important;
        margin-top: 8px;
    }

    /* -------------------------------------------------------------
       Print Table of Contents
       ------------------------------------------------------------- */
    .print-toc-page {
        page-break-after: always !important;
        padding-top: 10mm;
    }

    .print-toc-title {
        font-size: 18pt !important;
        font-weight: 700 !important;
        color: #0f172a !important;
        border-bottom: 2px solid #0d9488 !important;
        padding-bottom: 8px !important;
        margin-bottom: 20px !important;
    }

    .print-toc-list {
        list-style: none !important;
        padding: 0 !important;
        margin: 0 !important;
    }

    .print-toc-item {
        display: flex !important;
        justify-content: space-between !important;
        align-items: baseline !important;
        padding: 7px 0 !important;
        border-bottom: 1px dotted #cbd5e1 !important;
        font-size: 11pt !important;
    }

    .print-toc-item.level-1 {
        font-weight: 700 !important;
        color: #0f172a !important;
        margin-top: 10px !important;
        font-size: 12pt !important;
    }

    .print-toc-item.level-2 {
        padding-left: 20px !important;
        color: #334155 !important;
    }

    /* -------------------------------------------------------------
       Page Breaks & Section Structure
       ------------------------------------------------------------- */
    /* Break before each role chapter */
    .manual-role-chapter {
        page-break-before: always !important;
        margin-top: 0 !important;
        padding-top: 5mm !important;
    }

    /* Prevent breaking inside critical UI items */
    .manual-section,
    .manual-step-card,
    .mockup-container,
    .workflow-card,
    .callout-box,
    .info-table,
    .step-badge-group {
        page-break-inside: avoid !important;
        break-inside: avoid !important;
    }

    /* Headings */
    h1, h2, h3, h4 {
        page-break-after: avoid !important;
        break-after: avoid !important;
        color: #0f172a !important;
    }

    .role-chapter-header {
        border-bottom: 2px solid #334155;
        padding-bottom: 10px;
        margin-bottom: 20px;
    }

    .role-chapter-header h2 {
        font-size: 18pt !important;
        font-weight: 700 !important;
        margin: 0 0 5px 0 !important;
    }

    .role-chapter-header p {
        font-size: 11pt !important;
        color: #64748b !important;
        margin: 0 !important;
    }

    .section-title {
        font-size: 14pt !important;
        font-weight: 700 !important;
        color: #0d9488 !important;
        margin: 25px 0 12px 0 !important;
        display: flex !important;
        align-items: center !important;
        gap: 8px !important;
    }

    /* -------------------------------------------------------------
       Visual Mockups & Vector Images in Print
       ------------------------------------------------------------- */
    .mockup-container {
        border: 1px solid #cbd5e1 !important;
        background: #ffffff !important;
        border-radius: 6px !important;
        padding: 10px !important;
        margin: 15px 0 !important;
        text-align: center !important;
    }

    .mockup-container svg,
    .mockup-container img {
        max-width: 100% !important;
        height: auto !important;
        display: block !important;
        margin: 0 auto !important;
    }

    .mockup-caption {
        font-size: 9.5pt !important;
        color: #64748b !important;
        margin-top: 8px !important;
        font-style: italic !important;
    }

    /* -------------------------------------------------------------
       Callout Boxes in Print
       ------------------------------------------------------------- */
    .callout-box {
        border-left: 4px solid #0d9488 !important;
        background: #f8fafc !important;
        padding: 10px 14px !important;
        margin: 12px 0 !important;
        border-radius: 0 6px 6px 0 !important;
        font-size: 10pt !important;
    }

    .callout-box.tip {
        border-left-color: #0d9488 !important;
    }

    .callout-box.warning {
        border-left-color: #f59e0b !important;
        background: #fffbeb !important;
    }

    .callout-box.danger {
        border-left-color: #ef4444 !important;
        background: #fef2f2 !important;
    }

    .callout-box.info {
        border-left-color: #3b82f6 !important;
        background: #eff6ff !important;
    }

    .callout-title {
        font-weight: 700 !important;
        font-size: 10.5pt !important;
        margin-bottom: 4px !important;
    }

    /* -------------------------------------------------------------
       Step Instruction Cards in Print
       ------------------------------------------------------------- */
    .manual-step-card {
        border: 1px solid #e2e8f0 !important;
        border-radius: 6px !important;
        padding: 12px 14px !important;
        margin-bottom: 12px !important;
        background: #ffffff !important;
    }

    .step-card-header {
        display: flex !important;
        align-items: center !important;
        gap: 10px !important;
        margin-bottom: 8px !important;
    }

    .step-num-badge {
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        width: 24px !important;
        height: 24px !important;
        border-radius: 50% !important;
        background: #0d9488 !important;
        color: #ffffff !important;
        font-weight: 700 !important;
        font-size: 10pt !important;
    }

    .step-card-title {
        font-size: 12pt !important;
        font-weight: 700 !important;
        color: #1e293b !important;
        margin: 0 !important;
    }

    /* -------------------------------------------------------------
       Tables in Print
       ------------------------------------------------------------- */
    table.manual-table {
        width: 100% !important;
        border-collapse: collapse !important;
        margin: 12px 0 !important;
        font-size: 10pt !important;
    }

    table.manual-table th,
    table.manual-table td {
        border: 1px solid #cbd5e1 !important;
        padding: 6px 10px !important;
        text-align: left !important;
    }

    table.manual-table th {
        background: #f1f5f9 !important;
        font-weight: 700 !important;
        color: #0f172a !important;
    }

    /* -------------------------------------------------------------
       Numbered Callouts Legend in Print
       ------------------------------------------------------------- */
    .callout-number-legend {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 8px !important;
        margin-top: 10px !important;
        padding: 10px !important;
        background: #f8fafc !important;
        border: 1px solid #e2e8f0 !important;
        border-radius: 6px !important;
        font-size: 9.5pt !important;
    }

    .callout-item {
        display: flex !important;
        align-items: center !important;
        gap: 8px !important;
    }

    .callout-dot {
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        min-width: 20px !important;
        height: 20px !important;
        border-radius: 50% !important;
        background: #ef4444 !important;
        color: #ffffff !important;
        font-weight: 700 !important;
        font-size: 9pt !important;
    }
}