/* ══════════════════════════════════════════════════════════════════
   Cours — catalogue, fiche, leçon, code coloré, progression
   ══════════════════════════════════════════════════════════════════ */

/* ── Cartes du catalogue ──────────────────────────────────────── */
.cours-grid { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }

.course-card {
    display: flex;
    flex-direction: column;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.course-card:hover {
    transform: translateY(-3px);
    border-color: var(--fushia-200);
    box-shadow: 0 12px 32px rgba(26, 30, 60, 0.08);
}

.course-card__thumb {
    position: relative;
    display: block;
    aspect-ratio: 16 / 10;
    background: var(--slate-100);
    overflow: hidden;
}

.course-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.35s ease;
}

.course-card:hover .course-card__thumb img { transform: scale(1.04); }

.course-card__thumb-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--fushia-50), var(--blue-50));
    color: var(--fushia-600);
    font-size: 2.25rem;
}

.course-card__techno {
    position: absolute;
    left: 12px;
    top: 12px;
    padding: 3px 9px;
    border-radius: 100px;
    background: rgba(15, 23, 42, 0.82);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    backdrop-filter: blur(4px);
}

.course-card__body {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 20px;
    flex: 1;
}

.course-card__niveau {
    align-self: flex-start;
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--fushia-700);
    background: var(--fushia-50);
    border: 1px solid var(--fushia-100);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
}

.course-card__title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    line-height: 1.35;
    margin: 0;
}

.course-card__title a { color: var(--color-dark); text-decoration: none; }
.course-card__title a:hover { color: var(--fushia-600); }

.course-card__excerpt {
    font-size: 0.875rem;
    line-height: 1.55;
    color: var(--color-muted);
    margin: 0;
}

.course-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 14px;
    margin-top: auto;
    padding-top: 10px;
    font-size: 0.78rem;
    color: var(--color-muted);
}

.course-card__meta i { color: var(--fushia-600); }

.course-card__progress {
    height: 4px;
    border-radius: 100px;
    background: var(--slate-200);
    overflow: hidden;
}

.course-card__progress span {
    display: block;
    height: 100%;
    background: var(--fushia-600);
    border-radius: inherit;
}

.course-card__footer { padding-top: 4px; }

/* ── Filtres secondaires ──────────────────────────────────────── */
.filter-bar__inner--secondary { margin-top: -2px; padding-top: 4px; }

/* ── Fiche cours ──────────────────────────────────────────────── */
.cours-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 48px;
    align-items: start;
}

.cours-layout__main { min-width: 0; }

.cours-panels {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.cours-panel {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.cours-panel h2 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    margin: 0 0 16px;
    color: var(--color-dark);
}

.cours-panel h2 i { color: var(--fushia-600); font-size: 1.05rem; }

.cours-checklist { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.cours-checklist li {
    display: flex;
    gap: 8px;
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--color-text);
}
.cours-checklist li i { color: var(--emerald-600); flex-shrink: 0; margin-top: 2px; }
.cours-checklist--neutral li i { color: var(--slate-400); }

.cours-filrouge {
    display: flex;
    gap: 14px;
    padding: 20px 22px;
    margin-bottom: 32px;
    border-radius: var(--radius-lg);
    background: var(--fushia-50);
    border: 1px solid var(--fushia-100);
}
.cours-filrouge > i { color: var(--fushia-600); font-size: 1.35rem; line-height: 1; }
.cours-filrouge strong { display: block; font-size: 0.85rem; color: var(--fushia-700); margin-bottom: 4px; }
.cours-filrouge p { margin: 0; font-size: 0.9rem; line-height: 1.6; color: var(--color-text); }

.cours-sommaire__title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin: 0 0 18px;
    color: var(--color-dark);
}

.cours-sommaire { display: grid; gap: 12px; }

.cours-sommaire__section {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-white);
    overflow: hidden;
}

.cours-sommaire__section summary {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 20px;
    cursor: pointer;
    list-style: none;
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-dark);
    transition: background var(--transition);
}
.cours-sommaire__section summary::-webkit-details-marker { display: none; }
.cours-sommaire__section summary:hover { background: var(--slate-50); }

.cours-sommaire__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--fushia-600);
    color: #fff;
    font-size: 0.78rem;
    flex-shrink: 0;
}

.cours-sommaire__label { flex: 1; min-width: 0; font-size: 0.98rem; }

.cours-sommaire__count { font-size: 0.78rem; font-weight: 500; color: var(--color-muted); }

.cours-sommaire__chevron { color: var(--color-muted); transition: transform var(--transition); }
.cours-sommaire__section[open] .cours-sommaire__chevron { transform: rotate(180deg); }

.cours-sommaire__list {
    list-style: none;
    margin: 0;
    padding: 0 0 8px;
    border-top: 1px solid var(--color-border);
}

.cours-sommaire__list li + li { border-top: 1px solid var(--slate-100); }

.cours-sommaire__list a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px 12px 28px;
    font-size: 0.9rem;
    color: var(--color-text);
    text-decoration: none;
    transition: background var(--transition), color var(--transition);
}
.cours-sommaire__list a:hover { background: var(--slate-50); color: var(--fushia-700); }
.cours-sommaire__list a i { color: var(--slate-400); flex-shrink: 0; }
.cours-sommaire__list a span { flex: 1; min-width: 0; }
.cours-sommaire__list a em { font-style: normal; font-size: 0.76rem; color: var(--color-muted); flex-shrink: 0; }
.cours-sommaire__list li.is-done a i { color: var(--emerald-600); }

.cours-empty { font-size: 0.9rem; color: var(--color-muted); }

/* ── Progression ──────────────────────────────────────────────── */
.cours-progress {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    margin-bottom: 28px;
}

.cours-progress__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 8px;
    font-size: 0.82rem;
    color: var(--color-muted);
}
.cours-progress__head span { display: inline-flex; align-items: center; gap: 6px; }
.cours-progress__head strong { color: var(--fushia-700); font-size: 0.9rem; }

.cours-progress__bar {
    height: 6px;
    border-radius: 100px;
    background: var(--slate-200);
    overflow: hidden;
}
.cours-progress__bar span {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--fushia-500), var(--fushia-700));
    transition: width 0.4s ease;
}

/* ── Aside fiche cours ────────────────────────────────────────── */
.cours-layout__aside { display: grid; gap: 20px; position: sticky; top: 96px; }

.cours-aside-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.cours-aside-card__title { font-size: 0.95rem; margin: 0 0 14px; color: var(--color-dark); }

.cours-aside-card__meta { list-style: none; margin: 0 0 20px; padding: 0; display: grid; gap: 12px; }
.cours-aside-card__meta li {
    display: flex;
    align-items: center;
    gap: 9px;
    font-size: 0.85rem;
    color: var(--color-text);
}
.cours-aside-card__meta i { color: var(--fushia-600); flex-shrink: 0; }

.cours-aside-card__btn { width: 100%; justify-content: center; }

.cours-aside-card__hint {
    display: flex;
    gap: 6px;
    margin: 12px 0 0;
    font-size: 0.75rem;
    line-height: 1.5;
    color: var(--color-muted);
}

.cours-aside-card--accent {
    background: var(--surface-dark);
    border-color: var(--surface-dark);
    color: #E6EDF7;
}
.cours-aside-card--accent .cours-aside-card__title { color: #fff; }
.cours-aside-card--accent p { font-size: 0.85rem; line-height: 1.6; color: #B6C2D9; margin: 0 0 16px; }
.cours-aside-card--accent .btn--outline {
    border-color: rgba(255, 255, 255, 0.28);
    color: #fff;
    width: 100%;
    justify-content: center;
}
.cours-aside-card--accent .btn--outline:hover { background: rgba(255, 255, 255, 0.1); }

/* ── Bandeau CTA ──────────────────────────────────────────────── */
.cours-cta { padding: 0 0 80px; }
.cours-cta__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 36px 40px;
    border-radius: var(--radius-lg);
    background: var(--surface-dark);
    color: #E6EDF7;
}
.cours-cta__text { max-width: 620px; }
.cours-cta__text h2 { font-family: var(--font-heading); font-size: 1.35rem; color: #fff; margin: 0 0 8px; }
.cours-cta__text p { margin: 0; font-size: 0.9rem; line-height: 1.65; color: #B6C2D9; }
.cours-cta__actions { display: flex; flex-wrap: wrap; gap: 10px; }
.cours-cta__actions .btn--outline { border-color: rgba(255, 255, 255, 0.28); color: #fff; }
.cours-cta__actions .btn--outline:hover { background: rgba(255, 255, 255, 0.1); }

/* ── Page leçon ───────────────────────────────────────────────── */
.lesson-topbar {
    border-bottom: 1px solid var(--color-border);
    background: var(--color-white);
    margin-bottom: 36px;
}

.lesson-topbar__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 0;
}

.lesson-crumbs ol { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.lesson-crumbs li { display: inline-flex; align-items: center; gap: 4px; font-size: 0.78rem; color: var(--color-muted); }
.lesson-crumbs a { color: var(--color-muted); text-decoration: none; }
.lesson-crumbs a:hover { color: var(--fushia-600); }
.lesson-crumbs li[aria-current] span { color: var(--color-dark); font-weight: 600; }

.lesson-topbar__progress { display: flex; align-items: center; gap: 10px; font-size: 0.76rem; color: var(--color-muted); }
.lesson-topbar__progress .cours-progress__bar { width: 120px; }

.lesson-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 48px;
    align-items: start;
    padding-bottom: 80px;
}

.lesson-main { min-width: 0; }

.lesson-header { margin-bottom: 32px; }
.lesson-header h1 {
    font-family: var(--font-heading);
    font-size: clamp(1.6rem, 3vw, 2.1rem);
    line-height: 1.2;
    margin: 10px 0 14px;
    color: var(--color-dark);
}
.lesson-header__meta { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 0; font-size: 0.82rem; color: var(--color-muted); }
.lesson-header__meta span { display: inline-flex; align-items: center; gap: 6px; }
.lesson-header__meta i { color: var(--fushia-600); }

.lesson-header__objectif {
    display: flex;
    gap: 10px;
    margin: 20px 0 0;
    padding: 14px 18px;
    border-radius: var(--radius-md);
    background: var(--slate-50);
    border-left: 3px solid var(--fushia-500);
    font-size: 0.88rem;
    line-height: 1.55;
    color: var(--color-text);
}
.lesson-header__objectif i { color: var(--fushia-600); margin-top: 2px; }

.lesson-blocks { font-size: 1.0625rem; line-height: 1.75; color: var(--color-text); }
.lesson-blocks p { margin: 0; }
.lesson-blocks a { color: var(--fushia-700); text-decoration: underline; text-underline-offset: 2px; }
.lesson-blocks code {
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    font-size: 0.875em;
    background: var(--slate-100);
    color: var(--fushia-800);
    padding: 1px 5px;
    border-radius: 3px;
}
.lesson-block__heading { font-family: var(--font-heading); color: var(--color-dark); line-height: 1.3; margin: 44px 0 0; }
.lesson-blocks > .lesson-block__heading:first-child { margin-top: 0; }
.lesson-block__heading + * { margin-top: 14px; }
h2.lesson-block__heading { font-size: 1.4rem; }
h3.lesson-block__heading { font-size: 1.18rem; }
h4.lesson-block__heading { font-size: 1.02rem; }

.lesson-block__list {
    margin: 0;
    padding-left: 1.5em;
    list-style: disc outside;
}
ol.lesson-block__list { list-style: decimal outside; }
.lesson-block__list li { padding-left: 0.2em; line-height: 1.7; }
.lesson-block__list li + li { margin-top: 8px; }
.lesson-block__list li::marker { color: var(--fushia-600); font-weight: 600; }

.lesson-figure { margin: 0; }
.lesson-figure img { width: 100%; height: auto; border-radius: var(--radius-lg); display: block; }
.lesson-figure figcaption { margin-top: 10px; font-size: 0.8rem; color: var(--color-muted); text-align: center; }

.lesson-quote {
    margin: 0;
    padding: 18px 22px;
    border-left: 3px solid var(--fushia-500);
    background: var(--slate-50);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.lesson-quote p { margin: 0; font-style: italic; }
.lesson-quote cite { display: block; margin-top: 8px; font-size: 0.8rem; color: var(--color-muted); font-style: normal; }

.lesson-table { overflow-x: auto; }
.lesson-table table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.lesson-table th, .lesson-table td { padding: 11px 16px; border: 1px solid var(--color-border); text-align: left; }
.lesson-table th { background: var(--slate-50); font-weight: 600; color: var(--color-dark); }

.callout {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 18px 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--slate-50);
}
.callout__icon { font-size: 1.15rem; line-height: 1.5; margin-top: 1px; flex-shrink: 0; }
.callout__body p { margin: 0; font-size: 0.94rem; line-height: 1.65; }
.callout__title { font-weight: 700; margin-bottom: 6px !important; }
.callout--info { background: var(--blue-50); border-color: var(--blue-200); }
.callout--info .callout__icon, .callout--info .callout__title { color: var(--blue-700); }
.callout--astuce { background: var(--emerald-50); border-color: var(--emerald-200); }
.callout--astuce .callout__icon, .callout--astuce .callout__title { color: var(--emerald-700); }
.callout--attention { background: #FEF3F2; border-color: #FECDCA; }
.callout--attention .callout__icon, .callout--attention .callout__title { color: #B42318; }

/* ── Blocs de code ────────────────────────────────────────────── */
.code-block {
    margin: 0;
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--surface-dark);
    border: 1px solid #22304A;
}

.code-block__title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 9px 14px;
    background: #131C30;
    border-bottom: 1px solid #22304A;
    font-size: 0.76rem;
    font-weight: 600;
    color: #C7D3E6;
}
.code-block__title--bare { border-bottom: 1px solid #22304A; }
.code-block__lang {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: #8FA3C0;
}

.code-block__pre {
    position: relative;
    margin: 0;
    padding: 18px 20px;
    overflow-x: auto;
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    font-size: 0.82rem;
    line-height: 1.7;
    tab-size: 4;
}

.code-block__pre code {
    font: inherit;
    background: none;
    padding: 0;
    color: #E6EDF3;
    display: block;
}

.code-block--output { margin-top: 10px; }
.code-block--output .code-block__pre code { color: #9FE6C1; }

.code-copy {
    position: absolute;
    top: 8px;
    right: 8px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 9px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: rgba(19, 28, 48, 0.9);
    color: #C7D3E6;
    font-family: var(--font-body);
    font-size: 0.7rem;
    cursor: pointer;
    opacity: 0;
    transition: opacity var(--transition), background var(--transition);
}
.code-block:hover .code-copy, .code-copy:focus-visible { opacity: 1; }
.code-copy:hover { background: rgba(255, 255, 255, 0.14); }
.code-copy.is-copied { color: #6EE7B7; border-color: rgba(110, 231, 183, 0.5); }

/* Prism — thème maison aligné sur la charte */
.token.comment, .token.prolog, .token.doctype, .token.cdata { color: #7D8FA9; }
.token.punctuation { color: #A9B7CC; }
.token.property, .token.tag, .token.constant, .token.symbol, .token.deleted { color: #F0ABFC; }
.token.boolean, .token.number { color: #F5B57A; }
.token.selector, .token.attr-name, .token.string, .token.char, .token.builtin, .token.inserted { color: #7DD3A0; }
.token.operator, .token.entity, .token.url, .language-css .token.string, .style .token.string { color: #93C5FD; }
.token.atrule, .token.attr-value, .token.keyword { color: #C4B5FD; }
.token.function, .token.class-name { color: #93C5FD; }
.token.regex, .token.important, .token.variable { color: #FCA5A5; }
.token.important, .token.bold { font-weight: 700; }
.token.italic { font-style: italic; }

/* ── Actions et navigation de leçon ───────────────────────────── */
.lesson-actions { margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--color-border); }

.lesson-done.is-done {
    background: var(--emerald-600);
    border-color: var(--emerald-600);
    color: #fff;
}

.lesson-empty {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 22px 24px;
    border-radius: var(--radius-lg);
    background: var(--slate-50);
    border: 1px dashed var(--color-border);
    font-size: 0.9rem;
    color: var(--color-muted);
}

.lesson-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 36px; }

.lesson-nav__link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 18px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-white);
    text-decoration: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.lesson-nav__link:hover { border-color: var(--fushia-300); box-shadow: 0 6px 18px rgba(26, 30, 60, 0.06); }
.lesson-nav__link--next { text-align: right; justify-content: flex-end; }
.lesson-nav__link span { min-width: 0; }
.lesson-nav__link em { display: block; font-style: normal; font-size: 0.72rem; color: var(--color-muted); margin-bottom: 2px; }
.lesson-nav__link strong { display: block; font-size: 0.88rem; line-height: 1.35; color: var(--color-dark); font-weight: 600; }
.lesson-nav__link i { color: var(--fushia-600); flex-shrink: 0; }

/* ── Sommaire latéral de leçon ────────────────────────────────── */
.lesson-aside { position: sticky; top: 96px; max-height: calc(100vh - 120px); overflow-y: auto; }

.lesson-toc {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-white);
    padding: 14px;
    font-size: 0.82rem;
}

.lesson-toc__head {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px 14px;
    border-bottom: 1px solid var(--color-border);
    font-weight: 700;
    color: var(--color-dark);
    text-decoration: none;
}
.lesson-toc__head i { color: var(--fushia-600); }

.lesson-toc__section { padding-top: 14px; }
.lesson-toc__section-title {
    display: flex;
    gap: 6px;
    margin: 0 0 6px;
    padding: 0 8px;
    font-size: 0.76rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-muted);
}
.lesson-toc__section ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 1px; }
.lesson-toc__section li a,
.lesson-toc__section li > span {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 7px 10px;
    border-radius: var(--radius-sm);
    color: var(--color-text);
    text-decoration: none;
    line-height: 1.45;
    transition: background var(--transition), color var(--transition);
}
.lesson-toc__section li a:hover { background: var(--slate-50); color: var(--fushia-700); }
.lesson-toc__section li i { flex-shrink: 0; margin-top: 2px; color: var(--slate-400); }
.lesson-toc__section li.is-done i { color: var(--emerald-600); }
.lesson-toc__section li.is-current > span {
    background: var(--fushia-50);
    color: var(--fushia-800);
    font-weight: 600;
}
.lesson-toc__section li.is-current i { color: var(--fushia-600); }

/* ── Aperçu live d'un bloc de code ─────────────────────────────── */
.code-preview {
    margin-top: 10px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--color-white);
}
.code-preview__bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 14px;
    background: var(--slate-50);
    border-bottom: 1px solid var(--color-border);
    font-size: 0.76rem;
    font-weight: 600;
    color: var(--color-muted);
}
.code-preview__label { display: inline-flex; align-items: center; gap: 6px; }
.code-preview__label i { color: var(--fushia-600); }
.code-preview__actions { display: inline-flex; align-items: center; gap: 4px; }
.code-preview__actions button {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    background: none;
    color: var(--color-muted);
    font-family: var(--font-body);
    font-size: 0.72rem;
    cursor: pointer;
    transition: background var(--transition), color var(--transition);
}
.code-preview__actions button:hover { background: var(--color-white); border-color: var(--color-border); color: var(--color-dark); }
.code-preview__stage { position: relative; background: #fff; }
.code-preview__stage iframe {
    display: block;
    width: 100%;
    border: 0;
    height: 220px;
    background: #fff;
}
.code-preview__placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 120px;
    font-size: 0.8rem;
    color: var(--color-muted);
}
.code-preview--stopped .code-preview__stage { display: none; }
.code-preview__note {
    margin: 0;
    padding: 8px 14px;
    border-top: 1px solid var(--color-border);
    font-size: 0.72rem;
    color: var(--color-muted);
    background: var(--slate-50);
}

/* ── Quiz de fin de cours ──────────────────────────────────────── */
.quiz-page { padding: 40px 0 80px; }
.quiz-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 48px; align-items: start; }
.quiz-main { min-width: 0; }
.quiz-intro { margin-bottom: 32px; }
.quiz-intro h1 { font-family: var(--font-heading); font-size: clamp(1.5rem, 3vw, 2rem); line-height: 1.2; margin: 0 0 12px; color: var(--color-dark); }
.quiz-intro p { margin: 0; font-size: 0.95rem; line-height: 1.7; color: var(--color-text); }

.quiz-rules {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-top: 20px;
    padding: 14px 18px;
    border-radius: var(--radius-md);
    background: var(--fushia-50);
    border: 1px solid var(--fushia-200);
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--fushia-900);
}
.quiz-rules i { margin-top: 2px; color: var(--fushia-600); }

.quiz-form { display: grid; gap: 18px; }

.quiz-question {
    padding: 22px 24px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-white);
}
.quiz-question__head { display: flex; align-items: flex-start; gap: 10px; margin: 0 0 16px; }
.quiz-question__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    border-radius: 50%;
    background: var(--slate-100);
    color: var(--color-muted);
    font-size: 0.72rem;
    font-weight: 700;
}
.quiz-question__text { margin: 0; font-size: 1rem; font-weight: 600; line-height: 1.5; color: var(--color-dark); }
.quiz-question__text code,
.quiz-choice span code {
    font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    font-size: 0.88em;
    font-weight: 400;
    background: var(--slate-100);
    color: var(--fushia-800);
    padding: 1px 5px;
    border-radius: 3px;
}

.quiz-choices { display: grid; gap: 8px; }
.quiz-choice {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 11px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: border-color var(--transition), background var(--transition);
}
.quiz-choice:hover { border-color: var(--fushia-300); background: var(--slate-50); }
.quiz-choice input { margin: 3px 0 0; accent-color: var(--fushia-600); flex-shrink: 0; }
.quiz-choice span { font-size: 0.92rem; line-height: 1.55; color: var(--color-text); }
.quiz-choice:has(input:checked) { border-color: var(--fushia-500); background: var(--fushia-50); }

.quiz-question.is-correct { border-color: var(--emerald-300); }
.quiz-question.is-wrong { border-color: #FECDCA; }
.quiz-choice.is-correct { border-color: var(--emerald-500); background: var(--emerald-50); }
.quiz-choice.is-wrong { border-color: #F04438; background: #FEF3F2; }

.quiz-feedback {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--color-border);
    font-size: 0.86rem;
    line-height: 1.6;
    color: var(--color-text);
}
.quiz-feedback i { margin-top: 2px; flex-shrink: 0; }
.quiz-feedback--ok i { color: var(--emerald-600); }
.quiz-feedback--ko i { color: #D92D20; }

.quiz-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 8px; }
.quiz-actions__hint { font-size: 0.82rem; color: var(--color-muted); }

.quiz-result {
    padding: 24px 26px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    background: var(--color-white);
}
.quiz-result--pass { border-color: var(--emerald-300); background: var(--emerald-50); }
.quiz-result--fail { border-color: #FECDCA; background: #FEF3F2; }
.quiz-result__score { display: flex; align-items: baseline; gap: 8px; margin: 0 0 6px; }
.quiz-result__score strong { font-family: var(--font-heading); font-size: 2rem; line-height: 1; color: var(--color-dark); }
.quiz-result__score span { font-size: 0.9rem; color: var(--color-muted); }
.quiz-result p { margin: 0; font-size: 0.92rem; line-height: 1.65; }

.quiz-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 10px;
    border-radius: 999px;
    font-size: 0.74rem;
    font-weight: 600;
}
.quiz-badge--pass { background: var(--emerald-50); color: var(--emerald-700); border: 1px solid var(--emerald-200); }
.quiz-badge--fail { background: var(--slate-100); color: var(--color-muted); border: 1px solid var(--color-border); }

.cours-quiz-panel { margin-top: 40px; }
.cours-quiz-panel p { margin: 12px 0 0; font-size: 0.92rem; line-height: 1.7; color: var(--color-text); }
.cours-quiz-panel__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 18px; }

/* ── Rythme vertical de la leçon ──────────────────────────────────
   Bloc volontairement placé en fin de fichier : il doit primer sur les
   marges intrinsèques des composants (.code-block, .lesson-figure, .callout…). */
.lesson-blocks > * { margin-top: 26px; margin-bottom: 0; }
.lesson-blocks > *:first-child { margin-top: 0; }
.lesson-blocks > p { margin-top: 18px; }
.lesson-blocks > p:first-child { margin-top: 0; }
.lesson-blocks > .lesson-block__heading { margin-top: 44px; }
.lesson-blocks > .lesson-block__heading:first-child { margin-top: 0; }
.lesson-blocks > .lesson-block__heading + * { margin-top: 14px; }
.lesson-blocks > .code-preview { margin-top: 10px; }

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .cours-layout, .lesson-layout, .quiz-layout { grid-template-columns: 1fr; gap: 28px; }
    .cours-layout__aside, .lesson-aside { position: static; max-height: none; }
    .quiz-aside { order: -1; }
}

@media (max-width: 640px) {
    .cours-cta__inner { padding: 24px 20px; }
    .cours-cta__actions { width: 100%; }
    .cours-cta__actions .btn { flex: 1; justify-content: center; }
    .lesson-topbar__progress .cours-progress__bar { width: 80px; }
    .lesson-nav { grid-template-columns: 1fr; }
    .lesson-nav__link--next { justify-content: space-between; text-align: left; }
    .code-block__pre { font-size: 0.76rem; padding: 12px; }
    .code-copy { opacity: 1; }
    .cours-sommaire__list a { padding-left: 18px; }
    .cours-sommaire__count { display: none; }
    .lesson-blocks > .lesson-block__heading { margin-top: 32px; }
    .lesson-blocks > .lesson-block__heading + * { margin-top: 12px; }
    .lesson-blocks { font-size: 1rem; }
    .quiz-page { padding: 24px 0 56px; }
    .quiz-question { padding: 18px 16px; }
    .code-preview__stage iframe { height: 180px; }
    .code-preview__note { display: none; }
}

/* ══════════════════════════════════════════════════════════════════
   Rythme vertical — hero, sections, état vide
   ══════════════════════════════════════════════════════════════════ */
.page-hero.cours-hero { padding-block: 40px 44px; }
.page-hero.cours-hero .page-hero__breadcrumb { margin-bottom: 16px; }
.page-hero.cours-hero h1 { margin-bottom: 14px; }
.page-hero.cours-hero .page-hero__lead { max-width: 640px; line-height: 1.6; }
.page-hero.cours-hero .page-hero__actions { margin-top: 24px; }
.page-hero.cours-hero .page-hero__note { margin-top: 18px; }

.cours-page.section { padding-block: 36px 64px; }
.cours-page .loop-intro { margin-bottom: 32px; }
.cours-page .cours-grid { gap: 24px; }

.cours-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    padding: 56px 24px;
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--slate-50);
    text-align: center;
}
.cours-empty-state i {
    font-size: 2rem;
    line-height: 1;
    color: var(--fushia-400);
}
.cours-empty-state p {
    margin: 0;
    max-width: 46ch;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--color-muted);
}

.course-card__done {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin: 0;
    padding-top: 10px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--emerald-600);
}
.course-card__done--valide { color: var(--fushia-700); }

@media (max-width: 640px) {
    .page-hero.cours-hero { padding-block: 32px 36px; }
    .cours-page.section { padding-block: 28px 48px; }
    .cours-empty-state { padding: 40px 20px; }
}