/* ==========================================================================
   Lesson article — editorial reading layout (video units + exercises)
   Matches the public homepage + /espace dashboard design language.
   Self-contained tokens, scoped to .lesson-page so nothing leaks out.
   Bricolage + Hanken load globally. Loaded from
   html/com_content/article/lesson.php.
   ========================================================================== */

.lesson-page {
    --l-bg: #fbfaf7;
    --l-surface: #ffffff;
    --l-ink: #0e1320;
    --l-muted: #5b6472;
    --l-line: #e7e3da;
    --l-soft: #f3f1ea;
    --l-dark: #0d1424;
    --l-blue: #2563eb;
    --l-blue-strong: #1d4ed8;
    --l-blue-soft: #eef4ff;
    --l-green: #16a34a;
    --l-green-soft: #f0fdf4;
    --l-radius: 28px;
    --l-radius-sm: 16px;
    --l-shadow: 0 18px 50px rgba(13, 20, 36, .07);
    --l-display: 'Bricolage Grotesque', 'Hanken Grotesk', system-ui, sans-serif;
    --l-body: 'Hanken Grotesk', system-ui, -apple-system, 'Segoe UI', sans-serif;

    background: var(--l-bg);
    color: var(--l-ink);
    font-family: var(--l-body);
}

.lesson-page .container { max-width: 1100px; }

/* ==========================================================================
   Hero
   ========================================================================== */
.lesson-hero {
    padding: 44px 0 30px;
    border-bottom: 1px solid var(--l-line);
}

.lesson-back {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    color: var(--l-muted);
    text-decoration: none;
    font-weight: 600;
    font-size: .9rem;
    margin-bottom: 1.2rem;
    transition: color .2s ease;
}
.lesson-back:hover { color: var(--l-ink); }

.lesson-badge {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: var(--l-blue-soft);
    color: var(--l-blue);
    border-radius: 999px;
    padding: .45rem .95rem;
    font-size: .76rem;
    font-weight: 700;
    letter-spacing: .07em;
    text-transform: uppercase;
}

.lesson-hero h1 {
    font-family: var(--l-display);
    font-size: clamp(2.1rem, 4.6vw, 3.4rem);
    line-height: 1.03;
    letter-spacing: -.04em;
    font-weight: 700;
    color: var(--l-ink);
    margin: 1.2rem 0 1rem;
    max-width: 18ch;
}

.lesson-hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.4rem;
    color: var(--l-muted);
    font-size: .92rem;
    font-weight: 600;
}
.lesson-hero-meta span { display: inline-flex; align-items: center; gap: .5rem; }
.lesson-hero-meta i { color: var(--l-blue); }

/* ==========================================================================
   Objectifs callout (under the title — from the "objectifs" custom field)
   ========================================================================== */
.lesson-objectifs {
    margin: 1.6rem 0 1.7rem;
    max-width: 820px;
    background: var(--l-surface);
    border: 1px solid var(--l-line);
    border-left: 4px solid var(--l-blue);
    border-radius: var(--l-radius-sm);
    box-shadow: var(--l-shadow);
    padding: 1.4rem 1.6rem;
}
.lesson-objectifs-title {
    font-family: var(--l-display);
    font-size: 1.02rem;
    font-weight: 700;
    letter-spacing: .02em;
    color: var(--l-blue-strong);
    margin: 0 0 .85rem;
    display: inline-flex;
    align-items: center;
    gap: .55rem;
}
.lesson-objectifs-body { font-family: var(--l-body); color: var(--l-ink); font-size: .96rem; }
.lesson-objectifs-body > *:first-child { margin-top: 0; }
.lesson-objectifs-body p { margin: 0 0 .9rem; }
.lesson-objectifs-body p:last-child { margin-bottom: 0; }
.lesson-objectifs-body .objectif { font-weight: 600; }
.lesson-objectifs-body .ressource { font-weight: 700; margin-top: 1.1rem; }
.lesson-objectifs-body a { color: var(--l-blue); font-weight: 600; }
.lesson-objectifs-body hr { border: 0; border-top: 1px solid var(--l-line); margin: 1.1rem 0; }
.lesson-objectifs-body ul,
.lesson-objectifs-body ol { list-style: none; padding-left: 0; margin: .5rem 0 1rem; }
.lesson-objectifs-body li {
    position: relative;
    padding-left: 1.7rem;
    margin-bottom: .45rem;
    line-height: 1.5;
}
.lesson-objectifs-body li:last-child { margin-bottom: 0; }
.lesson-objectifs-body li::before {
    content: '';
    position: absolute;
    left: 3px; top: .55rem;
    width: 8px; height: 8px;
    background: var(--l-blue);
    border-radius: 50%;
}

/* ==========================================================================
   Body
   ========================================================================== */
.lesson-body-wrap { padding: 36px 0 80px; }

.lesson-body {
    max-width: 820px;
    font-size: 1.06rem;
    line-height: 1.85;
    color: #2c3340;
}

/* Defeat hardcoded inline fonts baked into stored content */
.lesson-body,
.lesson-body p,
.lesson-body li,
.lesson-body span { font-family: var(--l-body) !important; }
.lesson-body h2,
.lesson-body h3,
.lesson-body h4 { font-family: var(--l-display) !important; }

/* Neutralise leftover Bootstrap scaffolding in stored content */
.lesson-body .container,
.lesson-body .container-fluid { max-width: none; width: auto; padding: 0; margin: 0; }
.lesson-body .row { margin: 0; --bs-gutter-x: 0; }
.lesson-body [class*="col-"] { width: 100%; max-width: 100%; flex: 0 0 100%; padding: 0; }
.lesson-body .mt-5, .lesson-body .mt-4 { margin-top: 1.5rem !important; }

.lesson-body > *:first-child { margin-top: 0; }

/* Headings */
.lesson-body h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    letter-spacing: -.02em;
    color: var(--l-ink);
    margin: 2.6rem 0 1.1rem;
    padding-bottom: .65rem;
    border-bottom: 2px solid var(--l-line);
}
.lesson-body h2.subtitle {
    border-bottom: 0;
    color: var(--l-blue);
    font-size: .95rem;
    text-transform: uppercase;
    letter-spacing: .1em;
    font-weight: 700;
    margin: 0 0 .35rem;
    padding-bottom: 0;
}
.lesson-body h3 {
    font-size: 1.32rem;
    font-weight: 700;
    color: var(--l-ink);
    margin: 2rem 0 .9rem;
}

.lesson-body p { margin: 0 0 1.15rem; }

.lesson-body a {
    color: var(--l-blue-strong);
    text-decoration: none;
    border-bottom: 1px solid rgba(37, 99, 235, .35);
    transition: border-color .2s ease, color .2s ease;
}
.lesson-body a:hover { color: var(--l-ink); border-bottom-color: var(--l-ink); }

.lesson-body hr { border: 0; border-top: 1px solid var(--l-line); margin: 2.2rem 0; }

/* Lists */
.lesson-body ul,
.lesson-body ol { padding-left: 0; list-style: none; margin: 0 0 1.4rem; }

.lesson-body ul li,
.lesson-body ol li {
    position: relative;
    padding: .5rem 0 .5rem 1.85rem;
    border-bottom: 1px solid var(--l-line);
}
.lesson-body ul li:last-child,
.lesson-body ol li:last-child { border-bottom: 0; }

.lesson-body ul li::before {
    content: '';
    position: absolute;
    left: 2px; top: 1rem;
    width: 8px; height: 8px;
    background: var(--l-blue);
    border-radius: 50%;
}
.lesson-body ul li a,
.lesson-body ol li a { font-weight: 600; }

.lesson-body ol { counter-reset: l-counter; }
.lesson-body ol li { counter-increment: l-counter; padding-left: 2.4rem; }
.lesson-body ol li::before {
    content: counter(l-counter);
    position: absolute;
    left: 0; top: .55rem;
    width: 24px; height: 24px;
    background: var(--l-blue);
    color: #fff;
    border-radius: 50%;
    font-size: .72rem; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
}

/* Callout paragraphs from stored content */
.lesson-body .objectif,
.lesson-body .ressource,
.lesson-body .ressources {
    border-left: 4px solid var(--l-blue);
    background: var(--l-blue-soft);
    padding: .9rem 1.2rem;
    margin: 1.2rem 0;
    border-radius: 0 var(--l-radius-sm) var(--l-radius-sm) 0;
    font-weight: 600;
    color: #1e2a44;
}
.lesson-body .livrable {
    border-left: 4px solid var(--l-green);
    background: var(--l-green-soft);
    padding: .9rem 1.2rem;
    margin: 1.2rem 0;
    border-radius: 0 var(--l-radius-sm) var(--l-radius-sm) 0;
    font-weight: 600;
    color: #14532d;
}
.lesson-body .livrable::before {
    content: "\f0ae"; /* fa-tasks */
    font-family: "Font Awesome 6 Free", "Font Awesome 5 Free", sans-serif;
    font-weight: 900;
    margin-right: .55rem;
    color: var(--l-green);
}
.lesson-body .instruction {
    border-left: 4px solid var(--l-muted);
    background: var(--l-soft);
    padding: .85rem 1.2rem;
    margin: 1.1rem 0;
    border-radius: 0 var(--l-radius-sm) var(--l-radius-sm) 0;
    color: #2c3340;
}
.lesson-body .presentation { margin: 0 0 1.15rem; }

/* "Unité d'apprentissage" blocks as cards */
.lesson-body [id^="ua"] {
    background: var(--l-surface);
    border: 1px solid var(--l-line);
    border-radius: var(--l-radius-sm);
    padding: 1.6rem 1.7rem;
    margin: 1.5rem 0;
    box-shadow: 0 1px 8px rgba(13, 20, 36, .04);
}
.lesson-body [id^="ua"] h3 {
    margin-top: 0;
    padding-bottom: .8rem;
    border-bottom: 1px solid var(--l-line);
}

/* Code */
.lesson-body pre {
    background: var(--l-dark);
    color: #e6edf3;
    padding: 1.2rem 1.4rem;
    border-radius: var(--l-radius-sm);
    overflow-x: auto;
    margin: 1.4rem 0;
    font-size: .92rem;
    line-height: 1.6;
}
.lesson-body pre code { background: none; color: inherit; padding: 0; }
.lesson-body code {
    background: var(--l-soft);
    color: var(--l-blue-strong);
    padding: .15em .45em;
    border-radius: 6px;
    font-size: .9em;
    font-family: 'SFMono-Regular', Menlo, Consolas, monospace;
}

/* Blockquote / images / tables */
.lesson-body blockquote {
    border-left: 4px solid var(--l-blue);
    background: var(--l-blue-soft);
    padding: 1.1rem 1.4rem;
    margin: 1.4rem 0;
    border-radius: 0 var(--l-radius-sm) var(--l-radius-sm) 0;
    font-style: italic;
    color: #344;
}
.lesson-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--l-radius-sm);
    margin: 1.4rem 0;
    box-shadow: var(--l-shadow);
}
.lesson-body .lesson-shot { margin: 1.4rem 0; }
.lesson-body .lesson-shot img {
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid rgba(0, 0, 0, .08);
    border-radius: var(--l-radius-sm);
    box-shadow: var(--l-shadow);
}
.lesson-body .lesson-shot figcaption { margin-top: .5rem; font-size: .875rem; opacity: .75; }

.lesson-body .lesson-video iframe {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    border: 0;
    border-radius: var(--l-radius-sm);
    margin: 1.4rem 0;
    box-shadow: var(--l-shadow);
}
.lesson-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    border-radius: var(--l-radius-sm);
    overflow: hidden;
    box-shadow: 0 1px 8px rgba(13, 20, 36, .05);
}
.lesson-body th {
    background: var(--l-dark);
    color: #fff;
    padding: .85rem 1.1rem;
    text-align: left;
    font-weight: 700;
}
.lesson-body td { padding: .75rem 1.1rem; border-bottom: 1px solid var(--l-line); }
.lesson-body tr:nth-child(even) td { background: var(--l-soft); }

/* Footer bits */
.lesson-edit { margin-top: 2rem; }
.lesson-tags { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--l-line); }
.lesson-status { margin-bottom: 1.5rem; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 767px) {
    .lesson-hero { padding: 28px 0 22px; }
    .lesson-hero h1 { max-width: none; }
    .lesson-body-wrap { padding: 26px 0 56px; }
    .lesson-body [id^="ua"] { padding: 1.25rem 1.2rem; }
}

@media (prefers-reduced-motion: reduce) {
    .lesson-page * { transition-duration: .001ms !important; }
}