/* ==========================================================================
   E-Documents Manual Styling (Screen & Print CSS)
   ========================================================================== */

/* --- Screen Display Enhancements --- */
.manual-container {
    max-width: 1140px;
    margin: 0 auto;
}

.manual-header-banner {
    background: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
    color: #ffffff;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    box-shadow: 0 10px 25px rgba(13, 110, 253, 0.15);
    margin-bottom: 2rem;
}

.manual-nav-tabs .nav-link {
    font-size: 1.05rem;
    font-weight: 600;
    color: #495057;
    padding: 0.75rem 1.25rem;
    border-radius: 10px;
    margin-right: 0.5rem;
    border: 1px solid transparent;
    transition: all 0.2s ease-in-out;
}

.manual-nav-tabs .nav-link:hover {
    background-color: #f1f5f9;
    color: #0d6efd;
}

.manual-nav-tabs .nav-link.active {
    background-color: #0d6efd;
    color: #ffffff;
    border-color: #0d6efd;
    box-shadow: 0 4px 12px rgba(13, 110, 253, 0.25);
}

/* Step Card Flow */
.step-flow-item {
    position: relative;
    padding-left: 3rem;
    margin-bottom: 1.75rem;
}

.step-flow-item::before {
    content: "";
    position: absolute;
    left: 1.15rem;
    top: 2.5rem;
    bottom: -1rem;
    width: 2px;
    background-color: #dee2e6;
}

.step-flow-item:last-child::before {
    display: none;
}

.step-flow-badge {
    position: absolute;
    left: 0;
    top: 0;
    width: 2.3rem;
    height: 2.3rem;
    border-radius: 50%;
    background-color: #0d6efd;
    color: white;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(13, 110, 253, 0.3);
    z-index: 2;
}

.step-flow-badge.bg-success {
    background-color: #198754 !important;
    box-shadow: 0 4px 10px rgba(25, 135, 84, 0.3);
}

.step-flow-badge.bg-info {
    background-color: #0dcaf0 !important;
    color: #000;
    box-shadow: 0 4px 10px rgba(13, 202, 240, 0.3);
}

.step-flow-badge.bg-danger {
    background-color: #dc3545 !important;
    box-shadow: 0 4px 10px rgba(220, 53, 69, 0.3);
}

/* UI Mockup Display Box */
.ui-mockup-box {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
    margin: 1.25rem 0;
}

.ui-mockup-header {
    background: #f8fafc;
    padding: 0.6rem 1rem;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    gap: 6px;
}

.ui-mockup-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}
.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.ui-mockup-body {
    padding: 1.25rem;
    background: #ffffff;
}

/* Callout Box */
.manual-callout {
    border-left: 4px solid #0d6efd;
    background-color: #f0f7ff;
    padding: 1rem 1.25rem;
    border-radius: 0 10px 10px 0;
    margin: 1.25rem 0;
}

.manual-callout.warning {
    border-left-color: #ffc107;
    background-color: #fffdf5;
}

.manual-callout.success {
    border-left-color: #198754;
    background-color: #f2fbf6;
}

.manual-callout.danger {
    border-left-color: #dc3545;
    background-color: #fdf2f2;
}

/* Feature Badge */
.feature-pill {
    background-color: #e9ecef;
    color: #495057;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    border-radius: 50rem;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

/* Printable Book Cover */
.print-cover-page {
    display: none;
}

/* ==========================================================================
   PRINT MEDIA STYLES (@media print)
   Optimized for Standard A4 Paper Output without cutoffs
   ========================================================================== */
@media print {
    @page {
        size: A4 portrait;
        margin: 15mm 12mm 15mm 12mm;
    }

    /* Hide Web UI Elements */
    .navbar,
    .no-print,
    .btn,
    .nav-tabs,
    .breadcrumb,
    footer,
    .alert-dismissible .btn-close,
    #navbar-example2,
    .sidebar-link,
    .manual-nav-tabs {
        display: none !important;
    }

    /* Reset Body & Backgrounds for high quality printing */
    body {
        background-color: #ffffff !important;
        color: #111827 !important;
        font-size: 10.5pt !important;
        line-height: 1.5 !important;
        font-family: 'Sarabun', sans-serif !important;
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }

    .container, .manual-container, .col-lg-10, .col-12 {
        max-width: 100% !important;
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    .card {
        border: 1px solid #cbd5e1 !important;
        box-shadow: none !important;
        margin-bottom: 1.5rem !important;
        border-radius: 8px !important;
    }

    .manual-header-banner {
        background: #f8fafc !important;
        color: #0f172a !important;
        border: 2px solid #0d6efd !important;
        box-shadow: none !important;
        padding: 1.5rem 1rem !important;
        margin-bottom: 1.5rem !important;
    }

    .manual-header-banner h1, 
    .manual-header-banner h2, 
    .manual-header-banner h3 {
        color: #0d6efd !important;
    }

    /* Display the official Print Cover Page */
    .print-cover-page {
        display: flex !important;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        min-height: 85vh;
        text-align: center;
        page-break-after: always !important;
        break-after: page !important;
        padding: 3rem 1.5rem;
        border: 3px double #0d6efd;
        border-radius: 12px;
        margin-bottom: 2rem;
    }

    /* Section & Chapter Page Breaks */
    .chapter-section {
        page-break-before: always !important;
        break-before: page !important;
        padding-top: 0.5rem;
    }

    .chapter-section:first-of-type {
        page-break-before: avoid !important;
        break-before: avoid !important;
    }

    /* Prevent breaking inside critical UI blocks */
    .step-flow-item,
    .card,
    .table-responsive,
    table,
    tr,
    .ui-mockup-box,
    .manual-callout,
    .diagram-container,
    .alert {
        page-break-inside: avoid !important;
        break-inside: avoid !important;
    }

    /* Prevent orphan headings */
    h1, h2, h3, h4, h5, h6 {
        page-break-after: avoid !important;
        break-after: avoid !important;
        color: #0f172a !important;
    }

    /* Tab Contents in Print Mode: Show all chapters */
    .tab-content > .tab-pane {
        display: block !important;
        opacity: 1 !important;
        visibility: visible !important;
    }

    .print-only-active .tab-pane:not(.active) {
        display: none !important;
    }

    /* Clean links (don't show ugly URL suffixes) */
    a {
        text-decoration: none !important;
        color: #0d6efd !important;
    }

    a[href]::after {
        content: "" !important;
    }

    /* Step flow adjustments for print */
    .step-flow-item {
        padding-left: 2.2rem !important;
        margin-bottom: 1rem !important;
    }

    .step-flow-badge {
        width: 1.6rem !important;
        height: 1.6rem !important;
        font-size: 0.85rem !important;
        border: 1px solid #333 !important;
    }

    .step-flow-item::before {
        left: 0.8rem !important;
    }

    .ui-mockup-box {
        box-shadow: none !important;
        border: 1px solid #94a3b8 !important;
    }
}