/* The Masoretes — Andalusian & Arabic Scientific Tradition Course Stylesheet */
/* Sidebar and Collapsible Hub styling */
.sidebar-label-toggle,
.hub-cat-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.35rem;
    padding: 0.35rem 0.4rem 0.35rem 0.2rem;
    margin: 0 0 0.25rem 0;
    border: none;
    border-radius: 0.25rem;
    background: transparent !important;
    cursor: pointer;
    font: inherit;
    color: var(--as-muted, #5A6A80);
    text-align: left;
    transition: color 0.15s ease;
}

.hub-cat-toggle .sidebar-label,
.sidebar-label-toggle .sidebar-label {
    margin-bottom: 0 !important;
    cursor: pointer;
}

.hub-cat-chevron {
    font-size: 0.65rem;
    color: var(--as-muted, #5A6A80);
    transition: transform 0.2s ease, color 0.15s ease;
}

.hub-cat-toggle:hover .hub-cat-chevron,
.sidebar-label-toggle:hover .hub-cat-chevron {
    color: var(--as-blue-primary, #1E3A5F);
}

.hub-sidebar-section.is-collapsed .hub-cat-chevron,
.sidebar-section-collapsible.is-collapsed .hub-cat-chevron {
    transform: rotate(-90deg);
}

.hub-sidebar-section.is-collapsed .hub-sidebar-nav,
.sidebar-section-collapsible.is-collapsed .sidebar-nav {
    display: none;
}

/* Color Palette: Navy Blue (#1E3A5F), Royal Bright Blue (#0284C8), Gold (#D4AF37), Amber (#B8860B), Soft Pale Blue (#E0F2FE), Paper (#F8FAFC) */

@import url('https://fonts.googleapis.com/css2?family=Amiri:ital,wght@0,400;0,700;1,400;1,700&family=Cinzel:wght@500;600;700;800&family=Noto+Naskh+Arabic:wght@400;500;600;700&family=Noto+Sans+Arabic:wght@300;400;500;600;700&display=swap');

:root {
    --as-blue-primary: #1E3A5F;
    --as-blue-deep: #0f2238;
    --as-blue-bright: #0284C8;
    --as-blue-soft: #38BDF8;
    --as-blue-pale: #E0F2FE;
    --as-blue-mist: #F0F9FF;
    --as-blue-border: #BAE6FD;
    
    --as-gold: #D4AF37;
    --as-gold-dark: #B8860B;
    --as-gold-pale: #FEF3C7;
    --as-gold-wash: rgba(212, 175, 55, 0.12);
    --as-gold-border: rgba(212, 175, 55, 0.35);

    --as-emerald: #0D7A5F;
    --as-emerald-pale: #E6F7F2;
    --as-terracotta: #A8422B;
    --as-terracotta-pale: #FBECE8;

    --as-ink: #1E293B;
    --as-slate: #334155;
    --as-muted: #475569;
    --as-paper: #F8FAFC;
    --as-card-bg: #FFFFFF;
    --as-shadow: 0 4px 20px -2px rgba(30, 58, 95, 0.08), 0 2px 6px -1px rgba(30, 58, 95, 0.04);
    --as-shadow-lg: 0 10px 30px -4px rgba(30, 58, 95, 0.12), 0 4px 10px -2px rgba(30, 58, 95, 0.06);

    --radius-sm: 0.45rem;
    --radius-md: 0.65rem;
    --radius-lg: 0.85rem;
    --radius-xl: 1.15rem;
}

/* Arabic typography */
.arabic-text {
    font-family: 'Noto Naskh Arabic', 'Amiri', serif !important;
    direction: rtl;
    line-height: 1.8;
}

.arabic-display {
    font-family: 'Amiri', 'Noto Naskh Arabic', serif !important;
    direction: rtl;
    font-weight: 700;
}

/* Module Navigation Ribbon */
.as-module-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 20px 0 28px;
    padding: 10px;
    background: linear-gradient(135deg, var(--as-blue-mist) 0%, #FFFFFF 100%);
    border: 1px solid var(--as-blue-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--as-shadow);
}

.as-nav-tab-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 13px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--as-blue-primary);
    background: #FFFFFF;
    border: 1px solid rgba(2, 132, 200, 0.2);
    border-radius: var(--radius-sm);
    text-decoration: none !important;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.as-nav-tab-btn:hover {
    background: var(--as-blue-pale);
    color: var(--as-blue-deep);
    border-color: var(--as-blue-bright);
    transform: translateY(-1px);
}

.as-nav-tab-btn.active {
    background: linear-gradient(135deg, var(--as-blue-primary) 0%, #152B47 100%);
    color: #FFFFFF !important;
    border-color: var(--as-blue-primary);
    box-shadow: 0 2px 8px rgba(30, 58, 95, 0.25);
}

.as-nav-tab-btn.active i {
    color: var(--as-gold);
}

/* Course Header & Eyebrow */
.as-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: 'Cinzel', serif !important;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--as-gold-dark);
    margin-bottom: 8px;
}

.as-badge {
    display: inline-block;
    padding: 3px 9px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: 9999px;
    background: var(--as-gold-pale);
    color: var(--as-gold-dark);
    border: 1px solid var(--as-gold-border);
}

.as-badge-blue {
    background: var(--as-blue-pale);
    color: var(--as-blue-primary);
    border: 1px solid var(--as-blue-border);
}

.as-badge-emerald {
    background: var(--as-emerald-pale);
    color: var(--as-emerald);
    border: 1px solid rgba(13, 122, 95, 0.25);
}

/* Section Titles */
.as-section-title {
    font-family: 'Cinzel', serif !important;
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--as-blue-primary);
    margin: 32px 0 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 2px solid var(--as-gold-border);
    padding-bottom: 8px;
}

.as-section-title i {
    color: var(--as-gold-dark);
    font-size: 1.25rem;
}

.as-section-sub {
    font-size: 0.98rem;
    color: var(--as-muted);
    line-height: 1.6;
    margin-bottom: 22px;
}

/* Cards and Grid Layouts */
.as-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin: 24px 0;
}

.as-module-card {
    background: #FFFFFF;
    border: 1px solid var(--as-blue-border);
    border-radius: var(--radius-lg);
    padding: 22px;
    box-shadow: var(--as-shadow);
    transition: all 0.25s ease;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.as-module-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--as-gold) 0%, var(--as-blue-bright) 100%);
    opacity: 0;
    transition: opacity 0.25s ease;
}

.as-module-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--as-shadow-lg);
    border-color: var(--as-blue-bright);
}

.as-module-card:hover::before {
    opacity: 1;
}

.as-card-icon {
    width: 46px;
    height: 46px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--as-blue-pale) 0%, var(--as-blue-mist) 100%);
    color: var(--as-blue-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 14px;
    border: 1px solid var(--as-blue-border);
}

.as-module-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--as-blue-primary);
    margin-bottom: 8px;
    line-height: 1.35;
}

.as-module-card p {
    font-size: 0.9rem;
    color: var(--as-muted);
    line-height: 1.55;
    flex-grow: 1;
    margin-bottom: 16px;
}

.as-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 14px;
    border-top: 1px solid #EDF2F7;
    font-size: 0.82rem;
}

.as-btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 16px;
    min-width: 142px;
    height: 38px;
    box-sizing: border-box;
    background: linear-gradient(135deg, var(--as-blue-primary) 0%, #173252 100%);
    color: #FFFFFF !important;
    border-radius: var(--radius-sm);
    font-size: 0.86rem;
    font-weight: 600;
    text-decoration: none !important;
    text-align: center;
    white-space: nowrap;
    box-shadow: 0 2px 6px rgba(30, 58, 95, 0.2);
    transition: all 0.2s ease;
}

.as-card-footer .as-btn-primary,
.as-module-card .as-card-footer .as-btn-primary {
    width: 142px;
    min-width: 142px;
    max-width: 142px;
    height: 38px;
    padding: 0 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
}

.as-btn-primary:hover {
    background: var(--as-blue-bright);
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(2, 132, 200, 0.3);
}

.as-btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: #FFFFFF;
    color: var(--as-blue-primary) !important;
    border: 1px solid var(--as-blue-border);
    border-radius: var(--radius-sm);
    font-size: 0.86rem;
    font-weight: 600;
    text-decoration: none !important;
    transition: all 0.2s ease;
}

.as-btn-outline:hover {
    background: var(--as-blue-pale);
    border-color: var(--as-blue-bright);
    color: var(--as-blue-deep) !important;
}

/* Callout Box / Primary Source Manuscript Panel */
.as-manuscript-panel {
    background: linear-gradient(135deg, #FCFDFE 0%, var(--as-blue-mist) 100%);
    border-left: 4px solid var(--as-gold);
    border-top: 1px solid var(--as-blue-border);
    border-right: 1px solid var(--as-blue-border);
    border-bottom: 1px solid var(--as-blue-border);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    padding: 20px 24px;
    margin: 24px 0;
    box-shadow: var(--as-shadow);
}

.as-manuscript-panel-title {
    font-family: 'Cinzel', serif !important;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--as-blue-primary);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.as-manuscript-panel-title i {
    color: var(--as-gold-dark);
}

.as-manuscript-text {
    font-style: italic;
    color: var(--as-slate);
    line-height: 1.7;
    margin-bottom: 12px;
}

.as-manuscript-cite {
    font-size: 0.82rem;
    color: var(--as-muted);
    font-weight: 600;
    text-align: right;
}

/* Interactive Canvas Studio Container */
.as-studio-container {
    background: #FFFFFF;
    border: 1px solid var(--as-blue-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--as-shadow-lg);
    overflow: hidden;
    margin: 28px 0;
}

.as-studio-header {
    background: linear-gradient(135deg, var(--as-blue-primary) 0%, #152B47 100%);
    color: #FFFFFF;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.as-studio-title {
    font-family: 'Cinzel', serif !important;
    font-size: 1.15rem;
    font-weight: 700;
    color: #FFFFFF;
    display: flex;
    align-items: center;
    gap: 10px;
}

.as-studio-title i {
    color: var(--as-gold);
}

.as-studio-workspace {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 0;
    background: #FAFAFA;
}

@media (max-width: 860px) {
    .as-studio-workspace {
        grid-template-columns: 1fr;
    }
}

.as-canvas-view {
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: #FFFFFF;
    border-right: 1px solid #E2E8F0;
    min-height: 480px;
}

.as-interactive-canvas {
    background: #FFFFFF;
    border: 1px solid var(--as-blue-border);
    border-radius: var(--radius-md);
    box-shadow: inset 0 2px 8px rgba(0,0,0,0.04);
    max-width: 100%;
    height: auto;
}

.as-canvas-controls {
    padding: 24px;
    background: var(--as-blue-mist);
    display: flex;
    flex-direction: column;
    gap: 18px;
    overflow-y: auto;
}

.as-control-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.as-control-label {
    font-size: 0.84rem;
    font-weight: 700;
    color: var(--as-blue-primary);
    display: flex;
    justify-content: space-between;
}

.as-control-input-range {
    width: 100%;
    accent-color: var(--as-blue-bright);
}

.as-control-select {
    padding: 8px 12px;
    border: 1px solid var(--as-blue-border);
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    background: #FFFFFF;
    color: var(--as-ink);
}

.as-tool-btn-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 10px;
}

/* Timeline Components */
.as-timeline {
    position: relative;
    padding-left: 28px;
    margin: 28px 0;
    border-left: 3px solid var(--as-gold-border);
}

.as-timeline-item {
    position: relative;
    margin-bottom: 24px;
}

.as-timeline-item::before {
    content: '';
    position: absolute;
    left: -34px;
    top: 4px;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: #FFFFFF;
    border: 3px solid var(--as-gold-dark);
}

.as-timeline-item.active::before {
    background: var(--as-gold);
    border-color: var(--as-blue-primary);
}

.as-timeline-date {
    font-family: 'Cinzel', serif !important;
    font-weight: 700;
    font-size: 0.88rem;
    color: var(--as-gold-dark);
    margin-bottom: 4px;
}

.as-timeline-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--as-blue-primary);
    margin-bottom: 6px;
}

.as-timeline-desc {
    font-size: 0.9rem;
    color: var(--as-muted);
    line-height: 1.6;
}

/* Comparison and Structure Tables */
.as-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 20px 0;
    background: #FFFFFF;
    border: 1px solid var(--as-blue-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--as-shadow);
}

.as-table th {
    background: var(--as-blue-primary);
    color: #FFFFFF;
    font-weight: 600;
    font-size: 0.86rem;
    padding: 12px 16px;
    text-align: left;
    border: none;
}

.as-table td {
    padding: 12px 16px;
    font-size: 0.88rem;
    color: var(--as-slate);
    border-top: 1px solid #EDF2F7;
    line-height: 1.5;
}

.as-table tr:nth-child(even) td {
    background: var(--as-blue-mist);
}

.as-table tr:hover td {
    background: var(--as-blue-pale);
}

/* Interactive Quiz Cards */
.as-quiz-card {
    background: #FFFFFF;
    border: 1px solid var(--as-blue-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--as-shadow);
    margin-bottom: 24px;
}

.as-quiz-question {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--as-blue-primary);
    margin-bottom: 16px;
    line-height: 1.45;
}

.as-quiz-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.as-quiz-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--as-blue-mist);
    border: 1px solid var(--as-blue-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.92rem;
    color: var(--as-slate);
    transition: all 0.2s ease;
}

.as-quiz-option:hover {
    background: var(--as-blue-pale);
    border-color: var(--as-blue-bright);
}

.as-quiz-option.selected {
    background: var(--as-blue-primary);
    color: #FFFFFF;
    border-color: var(--as-blue-primary);
}

.as-quiz-option.correct {
    background: #DEF7EC;
    color: #03543F;
    border-color: #31C48D;
    font-weight: 600;
}

.as-quiz-option.incorrect {
    background: #FDE8E8;
    color: #9B1C1C;
    border-color: #F98080;
}

.as-quiz-feedback {
    margin-top: 16px;
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    line-height: 1.6;
    display: none;
}

.as-quiz-feedback.show {
    display: block;
}

.as-quiz-feedback.correct-feedback {
    background: #DEF7EC;
    border-left: 4px solid #31C48D;
    color: #03543F;
}

.as-quiz-feedback.incorrect-feedback {
    background: #FDE8E8;
    border-left: 4px solid #F98080;
    color: #9B1C1C;
}

/* Calligraphy Nuqta Canvas Guide */
.as-nuqta-canvas-wrapper {
    position: relative;
    width: 100%;
    max-width: 500px;
    height: 380px;
    margin: 0 auto 16px;
    background: #FFFDF9;
    border: 1px solid var(--as-gold-border);
    border-radius: var(--radius-md);
    box-shadow: inset 0 2px 8px rgba(212, 175, 55, 0.1);
}

.as-nuqta-canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* Astrolabe Simulator Frame */
.as-astrolabe-viewport {
    position: relative;
    width: 400px;
    height: 400px;
    max-width: 100%;
    margin: 0 auto;
    border-radius: 50%;
    box-shadow: 0 8px 30px rgba(30, 58, 95, 0.25), inset 0 0 15px rgba(212, 175, 55, 0.3);
    border: 6px solid var(--as-gold-dark);
    background: #0f1c2e;
    overflow: hidden;
}

/* Original course illustration system */
.as-course-hero {
    position: relative;
    margin: 0 0 30px;
    overflow: hidden;
    border: 1px solid var(--as-gold-border);
    border-radius: var(--radius-xl);
    background: var(--as-blue-deep);
    box-shadow: var(--as-shadow-lg);
}

.as-course-hero img {
    display: block;
    width: 100%;
    aspect-ratio: 3 / 2;
    object-fit: cover;
}

.as-course-hero figcaption {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    padding: 36px 18px 14px;
    color: #fff;
    font-size: 0.78rem;
    line-height: 1.45;
    background: linear-gradient(transparent, rgba(6, 14, 24, 0.88));
}

.as-module-card-media {
    margin: -22px -22px 18px;
    overflow: hidden;
    border-bottom: 1px solid var(--as-blue-border);
    background: var(--as-blue-deep);
}

.as-module-card-media img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    transition: transform 0.45s ease;
}

.as-module-card:hover .as-module-card-media img {
    transform: scale(1.035);
}

.as-progress-status {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 8px;
    color: var(--as-muted);
    font-size: 0.78rem;
    font-weight: 600;
}

.as-progress-status strong {
    color: var(--as-blue-primary);
}

.as-module-card.is-visited {
    border-color: rgba(13, 122, 95, 0.42);
}

.as-module-card.is-visited::after {
    content: 'Visited';
    position: absolute;
    top: 12px;
    right: 12px;
    z-index: 2;
    padding: 4px 9px;
    border-radius: 999px;
    color: #fff;
    background: rgba(13, 122, 95, 0.94);
    box-shadow: 0 2px 8px rgba(3, 84, 63, 0.25);
    font-size: 0.67rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.as-nav-tab-btn.is-visited:not(.active) {
    border-color: rgba(13, 122, 95, 0.34);
    background: var(--as-emerald-pale);
}

.as-original-note {
    margin-top: 10px;
    color: var(--as-muted);
    font-size: 0.72rem;
    font-style: italic;
    text-align: right;
}

/* Responsive adjustments */
@media (max-width: 640px) {
    .as-module-nav {
        gap: 6px;
        padding: 6px;
    }
    .as-nav-tab-btn {
        padding: 5px 9px;
        font-size: 0.75rem;
    }
    .as-card-grid {
        grid-template-columns: 1fr;
    }
    .as-studio-header {
        padding: 12px 16px;
    }
    .as-canvas-view, .as-canvas-controls {
        padding: 16px;
    }
    .as-course-hero figcaption {
        position: static;
        padding: 11px 14px;
        background: var(--as-blue-deep);
    }
    .as-progress-status {
        align-items: flex-start;
        flex-direction: column;
        gap: 2px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .as-module-card,
    .as-module-card-media img,
    .as-nav-tab-btn {
        transition: none !important;
    }
}