/* ==========================================================================
   New ACS Manual Stylesheet - Screen & Print Optimization
   คณะครุศาสตร์และการพัฒนามนุษย์ มหาวิทยาลัยราชภัฏร้อยเอ็ด
   ========================================================================== */

:root {
    --primary-color: #009d63;
    --primary-dark: #007a4d;
    --primary-light: #e6f7f0;
    --student-color: #0d6efd;
    --student-light: #e7f1ff;
    --staff-color: #198754;
    --staff-light: #d1e7dd;
    --admin-color: #dc3545;
    --admin-light: #f8d7da;
    --dark-text: #212529;
    --muted-text: #6c757d;
    --border-color: #e2e8f0;
    --bg-surface: #ffffff;
    --bg-canvas: #f8fafc;
}

body {
    font-family: 'Sarabun', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--dark-text);
    background-color: var(--bg-canvas);
    line-height: 1.65;
    font-size: 15px;
}

/* Header & Navigation */
.manual-header {
    background: linear-gradient(135deg, #007a4d 0%, #009d63 50%, #10b981 100%);
    color: #ffffff;
    padding: 2.5rem 0 2rem;
    box-shadow: 0 4px 20px rgba(0, 157, 99, 0.2);
}

.manual-header .logo-badge {
    background: rgba(255, 255, 255, 0.95);
    padding: 8px 16px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.role-tab-btn {
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.6rem 1.25rem;
    border-radius: 50rem;
    transition: all 0.2s ease;
    border: 2px solid transparent;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.role-tab-btn.btn-all {
    background-color: #ffffff;
    color: #1e293b;
    border-color: #e2e8f0;
}
.role-tab-btn.btn-all:hover, .role-tab-btn.btn-all.active {
    background-color: #1e293b;
    color: #ffffff;
    border-color: #1e293b;
}

.role-tab-btn.btn-student {
    background-color: #ffffff;
    color: var(--student-color);
    border-color: #cfe2ff;
}
.role-tab-btn.btn-student:hover, .role-tab-btn.btn-student.active {
    background-color: var(--student-color);
    color: #ffffff;
    border-color: var(--student-color);
}

.role-tab-btn.btn-staff {
    background-color: #ffffff;
    color: var(--staff-color);
    border-color: #badbcc;
}
.role-tab-btn.btn-staff:hover, .role-tab-btn.btn-staff.active {
    background-color: var(--staff-color);
    color: #ffffff;
    border-color: var(--staff-color);
}

.role-tab-btn.btn-admin {
    background-color: #ffffff;
    color: var(--admin-color);
    border-color: #f5c2c7;
}
.role-tab-btn.btn-admin:hover, .role-tab-btn.btn-admin.active {
    background-color: var(--admin-color);
    color: #ffffff;
    border-color: var(--admin-color);
}

/* Sticky Sidebar Table of Contents */
.manual-sidebar {
    position: sticky;
    top: 1.5rem;
    max-height: calc(100vh - 3rem);
    overflow-y: auto;
    padding: 1.25rem;
    background: #ffffff;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
}

.manual-sidebar::-webkit-scrollbar {
    width: 6px;
}
.manual-sidebar::-webkit-scrollbar-thumb {
    background-color: #cbd5e1;
    border-radius: 10px;
}

.manual-sidebar h6 {
    font-weight: 700;
    color: #334155;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.8rem;
    margin-bottom: 0.85rem;
}

.manual-toc-list {
    list-style: none;
    padding-left: 0;
    margin-bottom: 1.25rem;
}

.manual-toc-list li {
    margin-bottom: 0.35rem;
}

.manual-toc-list a {
    color: #475569;
    text-decoration: none;
    font-size: 0.9rem;
    display: block;
    padding: 0.35rem 0.65rem;
    border-radius: 8px;
    transition: all 0.15s ease-in-out;
}

.manual-toc-list a:hover {
    color: var(--primary-color);
    background-color: var(--primary-light);
    transform: translateX(3px);
}

/* Content Sections */
.manual-card {
    background: #ffffff;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
    padding: 2rem;
    margin-bottom: 2rem;
    scroll-margin-top: 2rem;
}

.manual-card-header {
    border-bottom: 2px solid #f1f5f9;
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}

.manual-card-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.section-badge-student {
    background-color: var(--student-light);
    color: var(--student-color);
    border: 1px solid #cfe2ff;
    padding: 0.25rem 0.75rem;
    border-radius: 50rem;
    font-size: 0.8rem;
    font-weight: 600;
}

.section-badge-staff {
    background-color: var(--staff-light);
    color: var(--staff-color);
    border: 1px solid #badbcc;
    padding: 0.25rem 0.75rem;
    border-radius: 50rem;
    font-size: 0.8rem;
    font-weight: 600;
}

.section-badge-admin {
    background-color: var(--admin-light);
    color: var(--admin-color);
    border: 1px solid #f5c2c7;
    padding: 0.25rem 0.75rem;
    border-radius: 50rem;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Step Cards */
.step-container {
    position: relative;
    padding-left: 3rem;
    margin-bottom: 1.5rem;
}

.step-num {
    position: absolute;
    left: 0;
    top: 0;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    background: var(--primary-color);
    color: #ffffff;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    box-shadow: 0 4px 8px rgba(0, 157, 99, 0.25);
}

.step-container.step-student .step-num {
    background: var(--student-color);
    box-shadow: 0 4px 8px rgba(13, 110, 253, 0.25);
}

.step-container.step-staff .step-num {
    background: var(--staff-color);
    box-shadow: 0 4px 8px rgba(25, 135, 84, 0.25);
}

.step-container.step-admin .step-num {
    background: var(--admin-color);
    box-shadow: 0 4px 8px rgba(220, 53, 69, 0.25);
}

.step-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.4rem;
}

.step-desc {
    color: #475569;
    margin-bottom: 0.75rem;
}

/* UI Mockup Display Frame */
.ui-mockup-window {
    background: #ffffff;
    border-radius: 12px;
    border: 1px solid #cbd5e1;
    overflow: hidden;
    margin: 1.25rem 0;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
}

.ui-mockup-header {
    background: #f1f5f9;
    padding: 8px 14px;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    gap: 6px;
}

.ui-mockup-dots {
    display: flex;
    gap: 5px;
}

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

.ui-mockup-url {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    padding: 2px 10px;
    font-size: 0.75rem;
    color: #64748b;
    flex-grow: 1;
    margin-left: 10px;
    max-width: 400px;
}

.ui-mockup-body {
    padding: 1.25rem;
    background: #f8fafc;
}

/* Visual Callout Marker */
.callout-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #ef4444;
    color: #ffffff;
    font-size: 0.8rem;
    font-weight: 700;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.25);
    margin: 0 4px;
    vertical-align: middle;
}

/* Notice & Alert Boxes */
.manual-alert {
    border-radius: 10px;
    padding: 1rem 1.25rem;
    margin: 1rem 0;
    font-size: 0.95rem;
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
}

.manual-alert-tip {
    background-color: #ecfdf5;
    border-left: 4px solid #10b981;
    color: #065f46;
}

.manual-alert-warning {
    background-color: #fffbeb;
    border-left: 4px solid #f59e0b;
    color: #92400e;
}

.manual-alert-info {
    background-color: #eff6ff;
    border-left: 4px solid #3b82f6;
    color: #1e40af;
}

/* Export PDF Dropdown / Floating Button */
.export-panel {
    background: #ffffff;
    border: 1px solid #cbd5e1;
    border-radius: 12px;
    padding: 1rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
    margin-bottom: 1.5rem;
}

/* Print Cover Page for Web Preview (Hidden by default, shown in print or export mode) */
.print-cover-page {
    display: none;
}

/* ==========================================================================
   PRINT OPTIMIZATION (@media print) - Standard A4 PDF Output
   ========================================================================== */

@page {
    size: A4 portrait;
    margin: 15mm 15mm 18mm 15mm;
}

@media print {
    /* Hide Screen-Only Elements */
    .no-print,
    .manual-header .role-tab-btn,
    .manual-sidebar,
    .export-panel,
    .navbar,
    footer.no-print,
    #menu-toggle,
    .search-box-container,
    .btn-print-action {
        display: none !important;
    }

    body {
        background-color: #ffffff !important;
        color: #000000 !important;
        font-size: 13px !important;
        line-height: 1.5 !important;
    }

    .container, .container-fluid {
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        margin: 0 !important;
    }

    .col-lg-9, .col-lg-8, .col-md-12 {
        width: 100% !important;
        max-width: 100% !important;
        flex: 0 0 100% !important;
    }

    /* Print Header / Document Cover */
    .print-cover-page {
        page-break-after: always;
        display: flex !important;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        text-align: center;
        min-height: 85vh;
        border: 4px double #009d63;
        border-radius: 15px;
        padding: 4rem 2rem;
        margin-bottom: 2rem;
        box-sizing: border-box;
    }

    .print-cover-page img {
        max-height: 160px;
        margin-bottom: 2rem;
    }

    .print-cover-page h1 {
        font-size: 26pt !important;
        color: #007a4d !important;
        font-weight: 700 !important;
        margin-bottom: 1rem;
    }

    .print-cover-page h2 {
        font-size: 18pt !important;
        color: #334155 !important;
        margin-bottom: 1.5rem;
    }

    .print-cover-meta {
        margin-top: 5rem;
        border-top: 1px solid #cbd5e1;
        padding-top: 1.5rem;
        font-size: 12pt;
        color: #475569;
    }

    /* Page Breaks and Layout */
    .manual-card {
        border: 1px solid #cbd5e1 !important;
        box-shadow: none !important;
        padding: 1.2rem !important;
        margin-bottom: 1.5rem !important;
        page-break-inside: avoid !important;
    }

    .page-break-before {
        page-break-before: always !important;
    }

    .manual-card-title {
        font-size: 15pt !important;
        color: #0f172a !important;
    }

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

    .ui-mockup-header {
        background: #e2e8f0 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .ui-mockup-body {
        background: #f8fafc !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .step-num {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .callout-badge {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }

    .badge, .section-badge-student, .section-badge-staff, .section-badge-admin {
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
        border: 1px solid #94a3b8 !important;
    }
}