/* ==========================================================================
   MOOC styles — Platform Tes Panel Digital Malaria
   Loaded on MOOC pages via {% block extra_css %}, after design-system.css.

   Only lesson-specific things live here: long-form typography, the lesson
   reading layout, and the interactive drill widgets. The shared vocabulary
   (.page-hero/.mooc-hero, .course-card, .stat-tile, brand tokens, the
   Bootstrap "primary" remap) is owned by design-system.css.
   ========================================================================== */

:root {
    --mooc-primary: var(--brand-600);
    --mooc-primary-dark: var(--brand-800);
    --mooc-secondary: var(--brand-500);
    --mooc-ink: var(--ink);
    --mooc-muted: var(--ink-muted);
    --mooc-surface: var(--surface);
    --mooc-bg: var(--page-bg);
    --mooc-border: var(--border);
    --mooc-amber: var(--warn);
    --mooc-amber-bg: var(--warn-bg);
    --mooc-radius: var(--radius);
}

/* --------------------------------------------------------------------------
   Long-form lesson typography
   -------------------------------------------------------------------------- */

.lesson-content {
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--mooc-ink);
    max-width: 46rem;
    margin: 0 auto;
}

.lesson-content h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin: 2rem 0 0.75rem;
    color: var(--mooc-primary-dark);
}

.lesson-content h4 {
    font-size: 1.15rem;
    font-weight: 700;
    margin: 0;
}

.lesson-content h5 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--mooc-primary-dark);
    margin: 1.25rem 0 0.5rem;
}

.lesson-content p { margin-bottom: 1rem; }

.mooc-lead {
    font-size: 1.15rem;
    color: #334155;
    border-left: 4px solid var(--mooc-secondary);
    padding-left: 1rem;
    margin: 0.25rem 0 1.5rem;
}

/* Species page header */
.mooc-species-header {
    background: linear-gradient(135deg, #0d9488 0%, #10b981 100%);
    color: #fff;
    border-radius: var(--mooc-radius);
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.5rem;
}
.mooc-species-header h3 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
}
.mooc-species-sub {
    margin: 0.35rem 0 0;
    opacity: 0.9;
    font-size: 0.95rem;
}

/* Morphology trait lists */
.mooc-traits {
    list-style: none;
    padding-left: 0;
    margin-bottom: 1.25rem;
}
.mooc-traits li {
    position: relative;
    padding: 0.35rem 0 0.35rem 1.75rem;
}
.mooc-traits li::before {
    content: "";
    position: absolute;
    left: 0.25rem;
    top: 0.85rem;
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 50%;
    background: var(--mooc-secondary);
}

/* Numbered procedure steps */
.mooc-steps {
    counter-reset: mooc-step;
    list-style: none;
    padding-left: 0;
    margin-bottom: 1.25rem;
}
.mooc-steps li {
    counter-increment: mooc-step;
    position: relative;
    padding: 0.4rem 0 0.4rem 2.6rem;
}
.mooc-steps li::before {
    content: counter(mooc-step);
    position: absolute;
    left: 0;
    top: 0.45rem;
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 50%;
    background: var(--mooc-primary);
    color: #fff;
    font-weight: 700;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Stage sections (Trofozoit / Skizon / Gametosit) */
.mooc-stage {
    border: 1px solid var(--mooc-border);
    border-radius: var(--mooc-radius);
    padding: 1.25rem 1.5rem;
    margin: 1.5rem 0;
    background: var(--mooc-surface);
}
.mooc-stage > h4 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-bottom: 0.75rem;
    margin-bottom: 0.75rem;
    border-bottom: 2px solid #ccfbf1;
    color: var(--mooc-primary-dark);
}

/* Figure cards */
.mooc-figure {
    background: var(--mooc-surface);
    border: 1px solid var(--mooc-border);
    border-radius: var(--mooc-radius);
    padding: 0.85rem;
    margin: 1.5rem 0;
    text-align: center;
    box-shadow: 0 2px 8px rgba(15, 118, 110, 0.06);
}
.mooc-figure img {
    max-width: 100%;
    height: auto;
    max-height: 420px;
    border-radius: 10px;
    cursor: zoom-in;
    transition: transform 0.2s ease;
}
.mooc-figure img:hover { transform: scale(1.015); }
.mooc-figure figcaption {
    font-size: 0.875rem;
    color: var(--mooc-muted);
    margin-top: 0.65rem;
    text-align: left;
    padding: 0 0.25rem;
    line-height: 1.5;
}
.mooc-fig-label {
    font-weight: 700;
    color: var(--mooc-primary-dark);
}

/* Callouts */
.mooc-callout {
    border-radius: var(--mooc-radius);
    padding: 1rem 1.25rem;
    margin: 1.25rem 0;
    border: 1px solid transparent;
}
.mooc-callout-title {
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}
.mooc-callout p:last-child,
.mooc-callout ol:last-child,
.mooc-callout ul:last-child { margin-bottom: 0; }

.mooc-callout-objective {
    background: #f0fdfa;
    border-color: #99f6e4;
}
.mooc-callout-objective .mooc-callout-title { color: var(--mooc-primary-dark); }

.mooc-callout-note {
    background: var(--mooc-amber-bg);
    border-color: #fde68a;
}
.mooc-callout-note .mooc-callout-title { color: var(--mooc-amber); }

.mooc-callout-example {
    background: #eff6ff;
    border-color: #bfdbfe;
}
.mooc-callout-example .mooc-callout-title { color: #1d4ed8; }

.mooc-callout-rbc {
    background: #fdf2f8;
    border-color: #fbcfe8;
}
.mooc-callout-rbc .mooc-callout-title { color: #be185d; }

/* Formula box */
.mooc-formula {
    background: var(--mooc-ink);
    color: #5eead4;
    border-radius: var(--mooc-radius);
    padding: 1rem 1.5rem;
    margin: 1.25rem 0;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 1rem;
    text-align: center;
    overflow-x: auto;
}

/* Comparison tables */
.mooc-table-wrap {
    overflow-x: auto;
    margin: 1.5rem 0 0.5rem;
    border-radius: var(--mooc-radius);
    border: 1px solid var(--mooc-border);
}
.mooc-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
    background: var(--mooc-surface);
    margin: 0;
}
.mooc-table caption {
    caption-side: top;
    padding: 0.85rem 1rem;
    color: var(--mooc-ink);
    background: #f0fdfa;
    border-bottom: 1px solid var(--mooc-border);
    font-size: 0.9rem;
    text-align: left;
}
.mooc-table th {
    background: var(--mooc-primary);
    color: #fff;
    padding: 0.6rem 0.75rem;
    text-align: left;
    white-space: nowrap;
}
.mooc-table td {
    padding: 0.55rem 0.75rem;
    border-top: 1px solid var(--mooc-border);
    vertical-align: top;
}
.mooc-table tbody tr:nth-child(even) { background: #f8fafc; }
.mooc-table .text-center { text-align: center; }
.mooc-table-footnote {
    font-size: 0.82rem;
    color: var(--mooc-muted);
    margin-bottom: 1.5rem;
}
.mooc-plus {
    font-weight: 700;
    color: var(--mooc-primary-dark);
    white-space: nowrap;
}

/* --------------------------------------------------------------------------
   Lesson page layout: sidebar outline + reading pane
   -------------------------------------------------------------------------- */

.lesson-layout { background: var(--mooc-bg); }

.lesson-sidebar {
    background: var(--mooc-surface);
    border: 1px solid var(--mooc-border);
    border-radius: var(--mooc-radius);
    overflow: hidden;
}

.lesson-sidebar-header {
    background: linear-gradient(135deg, #0d9488 0%, #10b981 100%);
    color: #fff;
    padding: 1rem 1.25rem;
}
.lesson-sidebar-header a { color: rgba(255, 255, 255, 0.85); text-decoration: none; font-size: 0.85rem; }
.lesson-sidebar-header a:hover { color: #fff; }
.lesson-sidebar-header .course-name {
    font-weight: 700;
    font-size: 0.95rem;
    margin: 0.35rem 0 0.6rem;
    line-height: 1.35;
}
.lesson-sidebar-header .progress {
    height: 6px;
    background: rgba(255, 255, 255, 0.25);
}
.lesson-sidebar-header .progress-bar { background: #fff; }

.lesson-outline {
    max-height: calc(100vh - 240px);
    overflow-y: auto;
}
.lesson-outline .module-label {
    display: block;
    padding: 0.75rem 1.25rem 0.35rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--mooc-muted);
}
.lesson-outline a.outline-item {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    padding: 0.5rem 1.25rem;
    font-size: 0.88rem;
    color: var(--mooc-ink);
    text-decoration: none;
    border-left: 3px solid transparent;
    line-height: 1.4;
}
.lesson-outline a.outline-item:hover { background: #f0fdfa; }
.lesson-outline a.outline-item.active {
    background: #ccfbf1;
    border-left-color: var(--mooc-primary);
    font-weight: 600;
}
.lesson-outline .outline-icon { flex-shrink: 0; margin-top: 0.1rem; }
.lesson-outline .outline-icon .bi-check-circle-fill { color: var(--mooc-secondary); }
.lesson-outline .outline-icon .bi-circle { color: #cbd5e1; }
.lesson-outline .outline-icon .bi-play-circle,
.lesson-outline .outline-icon .bi-question-circle { color: var(--mooc-muted); }

.lesson-pane {
    background: var(--mooc-surface);
    border: 1px solid var(--mooc-border);
    border-radius: var(--mooc-radius);
}
.lesson-pane-header {
    padding: 1.5rem 2rem 1.25rem;
    border-bottom: 1px solid var(--mooc-border);
}
.lesson-pane-body { padding: 2rem; }
.lesson-pane-footer {
    padding: 1rem 2rem;
    border-top: 1px solid var(--mooc-border);
    background: #f8fafc;
    border-radius: 0 0 var(--mooc-radius) var(--mooc-radius);
}

.lesson-kicker {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--mooc-primary);
    margin-bottom: 0.25rem;
}
.lesson-title { font-weight: 700; margin-bottom: 0.35rem; }
.lesson-meta { color: var(--mooc-muted); font-size: 0.88rem; }
.lesson-meta i { margin-right: 0.25rem; }

@media (max-width: 767.98px) {
    .lesson-pane-body { padding: 1.25rem; }
    .lesson-pane-header, .lesson-pane-footer { padding: 1rem 1.25rem; }
    .lesson-outline { max-height: none; }
}

/* Image lightbox */
.mooc-lightbox {
    position: fixed;
    inset: 0;
    z-index: 1080;
    background: rgba(15, 23, 42, 0.92);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    cursor: zoom-out;
}
.mooc-lightbox img {
    max-width: 100%;
    max-height: 92vh;
    border-radius: 10px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
}
.mooc-lightbox .lightbox-caption {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 1rem;
    text-align: center;
    color: #e2e8f0;
    font-size: 0.9rem;
    padding: 0 2rem;
}

/* --------------------------------------------------------------------------
   Course catalog & detail
   -------------------------------------------------------------------------- */

/* .mooc-hero and .course-card skins now live in design-system.css so that
   Beranda, Dasbor and PME can wear the same ones. */

.course-card-banner {
    height: 150px;
    background: linear-gradient(135deg, #134e4a 0%, #0d9488 60%, #10b981 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}
.course-card-banner i { font-size: 3rem; color: rgba(255, 255, 255, 0.9); }
.course-card-banner img { width: 100%; height: 100%; object-fit: cover; }
.course-card-banner .banner-badge {
    position: absolute;
    top: 0.75rem;
    left: 0.75rem;
}

/* Module accordion on course detail */
.module-accordion .accordion-item {
    border: 1px solid var(--mooc-border);
    border-radius: var(--mooc-radius) !important;
    margin-bottom: 0.75rem;
    overflow: hidden;
}
.module-accordion .accordion-button {
    font-weight: 600;
    color: var(--mooc-ink);
    padding: 1rem 1.25rem;
}
.module-accordion .accordion-button:not(.collapsed) {
    background: #f0fdfa;
    color: var(--mooc-primary-dark);
    box-shadow: none;
}
.module-accordion .accordion-button:focus { box-shadow: 0 0 0 0.2rem rgba(13, 148, 136, 0.15); }
.module-accordion .module-count {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--mooc-muted);
    white-space: nowrap;
}

.lesson-row {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.7rem 0.5rem;
    border-radius: 10px;
    text-decoration: none;
    color: var(--mooc-ink);
}
a.lesson-row:hover { background: #f0fdfa; }
.lesson-row + .lesson-row { border-top: 1px solid #f1f5f9; }
.lesson-row .lesson-type-icon {
    width: 2.1rem;
    height: 2.1rem;
    flex-shrink: 0;
    border-radius: 50%;
    background: #f0fdfa;
    color: var(--mooc-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}
.lesson-row.locked { color: var(--mooc-muted); }
.lesson-row.locked .lesson-type-icon { background: #f1f5f9; color: #94a3b8; }
.lesson-row .lesson-row-meta { font-size: 0.8rem; color: var(--mooc-muted); }
.lesson-row .done-icon { color: var(--mooc-secondary); }

/* .stat-tile is shared — see design-system.css */

/* --------------------------------------------------------------------------
   Interactive components (mooc-interactive.js)
   -------------------------------------------------------------------------- */

/* Quick check - inline formative MCQ */
.mooc-quickcheck {
    border: 1px solid #99f6e4;
    background: #f0fdfa;
    border-radius: var(--mooc-radius);
    padding: 1.1rem 1.25rem;
    margin: 1.75rem 0;
}
.mooc-quickcheck .mooc-callout-title { color: var(--mooc-primary-dark); }
.mooc-quickcheck .qc-question { font-weight: 600; margin-bottom: 0.75rem; }
.qc-option {
    display: block;
    width: 100%;
    text-align: left;
    background: var(--mooc-surface);
    border: 1px solid var(--mooc-border);
    border-radius: 10px;
    padding: 0.55rem 0.9rem;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease;
}
.qc-option:hover:not(:disabled) { border-color: var(--mooc-primary); background: #ecfeff; }
.qc-option:disabled { cursor: default; opacity: 0.85; }
.qc-option.qc-right { border-color: #16a34a; background: #f0fdf4; font-weight: 600; }
.qc-option.qc-wrong { border-color: #dc2626; background: #fef2f2; }
.qc-feedback { font-size: 0.92rem; margin-top: 0.5rem; }
.qc-feedback-right { color: #166534; }
.qc-feedback-wrong { color: #991b1b; }
.qc-retry {
    margin-top: 0.5rem;
    background: none;
    border: 1px solid var(--mooc-border);
    border-radius: 8px;
    padding: 0.25rem 0.75rem;
    font-size: 0.85rem;
    cursor: pointer;
    color: var(--mooc-ink);
}
.qc-retry:hover { border-color: var(--mooc-primary); color: var(--mooc-primary-dark); }

/* Flash cards - trait -> species drills */
.mooc-flashcards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 0.9rem;
    margin: 1.5rem 0;
}
.mooc-flashcard {
    perspective: 900px;
    min-height: 150px;
    cursor: pointer;
    outline-offset: 3px;
}
.mooc-flashcard .fc-inner {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 150px;
    transition: transform 0.45s;
    transform-style: preserve-3d;
}
.mooc-flashcard.fc-flipped .fc-inner { transform: rotateY(180deg); }
.mooc-flashcard .fc-front,
.mooc-flashcard .fc-back {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    border-radius: 12px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 0.92rem;
    line-height: 1.45;
}
.mooc-flashcard .fc-front {
    background: var(--mooc-surface);
    border: 1px solid var(--mooc-border);
    box-shadow: 0 2px 8px rgba(15, 118, 110, 0.08);
}
.mooc-flashcard .fc-back {
    background: linear-gradient(135deg, #0d9488 0%, #10b981 100%);
    color: #fff;
    font-weight: 700;
    transform: rotateY(180deg);
}
.mooc-flashcard .fc-tap {
    margin-top: 0.6rem;
    font-size: 0.75rem;
    color: var(--mooc-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.mooc-flashcard .fc-back .fc-tap { color: rgba(255, 255, 255, 0.8); }

/* Calculators */
.mooc-calc {
    border: 1px solid #bfdbfe;
    background: #eff6ff;
    border-radius: var(--mooc-radius);
    padding: 1.1rem 1.25rem;
    margin: 1.75rem 0;
}
.mooc-calc .mooc-callout-title { color: #1d4ed8; }
.mooc-calc .calc-fields {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin: 0.75rem 0;
}
.mooc-calc label {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: #1e3a8a;
    flex: 1 1 160px;
}
.mooc-calc input {
    border: 1px solid #bfdbfe;
    border-radius: 10px;
    padding: 0.5rem 0.75rem;
    font-size: 1rem;
    width: 100%;
}
.mooc-calc input:focus { outline: 2px solid var(--mooc-primary); border-color: transparent; }
.mooc-calc .calc-result { margin-top: 0.25rem; }
.mooc-calc .calc-steps {
    background: var(--mooc-surface);
    border-radius: 10px;
    padding: 0.6rem 0.9rem;
    margin-top: 0.5rem;
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 0.92rem;
    overflow-x: auto;
}
.mooc-calc .calc-note {
    margin-top: 0.5rem;
    font-size: 0.88rem;
    color: var(--mooc-amber);
    background: var(--mooc-amber-bg);
    border-radius: 10px;
    padding: 0.5rem 0.9rem;
}
.mooc-calc .calc-hint { font-size: 0.88rem; color: var(--mooc-muted); }

/* Hard guarantee: nothing inside lesson content may overflow its column */
.lesson-content img { max-width: 100%; height: auto; }
.lesson-content table { max-width: 100%; }
.lesson-content { overflow-wrap: break-word; }