.course-page{background:#f7f9fc}.course-breadcrumb{align-items:center;color:#64748b;display:flex;gap:.55rem;font-size:.88rem;padding:1.1rem 1rem}.course-breadcrumb a{color:#285ecf;text-decoration:none}.course-cover{background:linear-gradient(135deg,#e8f1ff,#f7f3ff);border-bottom:1px solid #dce5f1;padding:3.4rem 1rem}.course-cover .container{max-width:920px}.course-cover h1{font-size:clamp(2rem,5vw,3.5rem);letter-spacing:-.035em;line-height:1.08;margin:.9rem 0}.course-cover p{color:#475569;font-size:1.08rem;line-height:1.7;max-width:800px}.course-meta{display:flex;flex-wrap:wrap;gap:.5rem}.course-meta span{background:#fff;border:1px solid #d7e1ee;border-radius:999px;color:#2856ad;font-size:.8rem;font-weight:800;padding:.42rem .7rem}.course-cover-actions{align-items:center;display:flex;gap:1rem;margin-top:1.3rem}.course-cover-actions>span{color:#64748b;font-size:.9rem}.course-layout{align-items:start;display:grid;gap:2rem;grid-template-columns:minmax(0,1fr) 260px;padding:2.5rem 1rem 5rem}.course-content{background:#fff;border:1px solid #e0e7f0;border-radius:20px;box-shadow:0 12px 34px rgba(15,23,42,.06);font-size:1.03rem;line-height:1.75;min-width:0;padding:clamp(1.2rem,4vw,3rem)}.course-content>.container{max-width:none;padding:0}.course-content h1{display:none}.course-content h2{border-bottom:2px solid #e7eef8;color:#10213f;font-size:1.75rem;margin:2.5rem 0 1.1rem;padding-bottom:.6rem}.course-content h2:first-child{margin-top:0}.course-content h3{color:#17315b;font-size:1.35rem;margin:2rem 0 .8rem}.course-content h4{font-size:1.1rem;margin:1.5rem 0 .6rem}.course-content p,.course-content li{color:#334155}.course-content img{border-radius:14px;height:auto;max-width:100%}.course-content figure{margin:1.8rem 0;text-align:center}.course-content figcaption{color:#64748b;font-size:.85rem;margin-top:.5rem}.course-content .callout{border-left:5px solid #2864ed;border-radius:12px;margin:1.5rem 0;padding:1rem 1.2rem}.course-content .callout.def{background:#eff6ff}.course-content .callout.exemple{background:#f0fdf4;border-color:#16a34a}.course-content .callout.bilan{background:#faf5ff;border-color:#8b5cf6}.course-content .label{font-weight:900;margin-bottom:.4rem}.course-content .table-wrap{overflow-x:auto}.course-content table{border-collapse:collapse;margin:1.5rem 0;width:100%}.course-content th,.course-content td{border:1px solid #d8e1ec;padding:.75rem;text-align:left}.course-content th{background:#edf4ff}.course-content iframe{border:0;border-radius:14px;min-height:420px;width:100%}.course-content footer{border-top:1px solid #e2e8f0;color:#64748b;margin-top:3rem;padding-top:1rem}.course-aside{position:sticky;top:95px}.course-aside-card{background:#fff;border:1px solid #dce4ef;border-radius:16px;padding:1rem}.course-aside-card strong{display:block;margin-bottom:.7rem}.course-aside nav{display:flex;flex-direction:column;gap:.25rem}.course-aside nav a{border-left:2px solid #dbe5f3;color:#475569;font-size:.86rem;line-height:1.35;padding:.42rem .6rem;text-decoration:none}.course-aside nav a:hover{border-color:#2864ed;color:#2864ed}.course-back{margin-top:1rem;width:100%}@media(max-width:900px){.course-layout{grid-template-columns:1fr}.course-aside{display:none}}@media(max-width:620px){.course-cover{padding:2.4rem 1rem}.course-cover-actions{align-items:flex-start;flex-direction:column}.course-content{border-radius:0;margin:0 -1rem;padding:1.25rem}.course-content h2{font-size:1.45rem}}
@media(max-width:900px){.course-layout{grid-template-columns:1fr;padding-top:1.5rem}.course-aside{display:block;order:-1;position:static}.course-aside-card{overflow:hidden}.course-aside nav{display:grid;gap:.35rem;grid-template-columns:repeat(2,minmax(0,1fr))}.course-aside nav a{border-left:0;border-radius:8px;background:#f5f8fc;padding:.55rem}.course-back{display:none}}
@media(max-width:620px){.course-breadcrumb{font-size:.78rem;overflow-x:auto;white-space:nowrap}.course-cover{padding:2rem 0}.course-cover .container{padding:0 18px}.course-cover h1{font-size:2rem}.course-cover p{font-size:1rem}.course-layout{padding:1rem 14px 3rem}.course-aside nav{grid-template-columns:1fr}.course-content{border-radius:14px;margin:0;padding:1.1rem}.course-content h2{font-size:1.4rem;scroll-margin-top:90px}.course-content h3{font-size:1.2rem}.course-content iframe{min-height:230px}.course-content table{font-size:.88rem}}


/* Progression de lecture du cours */
.course-reading-progress{
    background:rgba(219,234,254,.95);
    height:5px;
    left:0;
    position:sticky;
    right:0;
    top:var(--course-progress-top,72px);
    width:100%;
    z-index:48;
}
.course-reading-progress span{
    background:#2864ed;
    display:block;
    height:100%;
    transform:scaleX(0);
    transform-origin:left center;
    transition:transform .08s linear;
    width:100%;
}

@media(max-width:620px){
    .course-layout.container{
        margin:0;
        max-width:none;
        padding:0 0 3rem;
        width:100%;
    }
    .course-content{
        background:transparent;
        border:0;
        border-radius:0;
        box-shadow:none;
        font-size:1rem;
        line-height:1.72;
        margin:0;
        padding:1.35rem 18px 2rem;
        width:100%;
    }
    .course-content>.container{
        margin:0;
        max-width:none;
        padding:0;
        width:100%;
    }
    .course-aside{
        display:none;
    }
    .course-content p,
    .course-content li{
        overflow-wrap:anywhere;
    }
}

/* Barre de progression toujours visible sous le header et l'annonce */
.course-reading-progress{
    left:0;
    position:fixed;
    right:0;
    top:var(--course-progress-top,76px);
    z-index:995;
}

.trusted-video{aspect-ratio:16/9;background:#05070b;border-radius:18px;box-shadow:0 16px 35px rgba(15,23,42,.16);overflow:hidden}.trusted-video iframe{height:100%;min-height:0;width:100%}.video-companion{margin-top:2rem}.content-warning{background:#fff7ed;border-left:4px solid #f97316;border-radius:12px;color:#9a3412;padding:1rem}@media(max-width:620px){.trusted-video{border-radius:0;margin-left:-18px;margin-right:-18px}}


/* Ressources liées au cours v63 */
.course-linked-resources{
    background:#fff;
    border:1px solid #dfe7f1;
    border-radius:20px;
    grid-column:1/-1;
    margin-top:4px;
    padding:clamp(20px,4vw,32px);
}
.course-linked-resources>header{
    margin-bottom:22px;
}
.course-linked-resources>header>span{
    color:#155eef;
    font-size:.65rem;
    font-weight:950;
    letter-spacing:.09em;
    text-transform:uppercase;
}
.course-linked-resources>header h2{
    color:#101828;
    font-size:clamp(1.7rem,4vw,2.6rem);
    letter-spacing:-.055em;
    margin:6px 0 0;
}
.course-linked-group+.course-linked-group{
    border-top:1px solid #e4e7ec;
    margin-top:24px;
    padding-top:24px;
}
.course-linked-group>h3{
    font-size:1rem;
    margin:0 0 12px;
}
.course-linked-grid{
    display:grid;
    gap:12px;
    grid-template-columns:repeat(3,minmax(0,1fr));
}
.course-linked-card{
    background:#f8fafc;
    border:1px solid #dfe7f1;
    border-radius:15px;
    color:#101828;
    display:flex;
    flex-direction:column;
    min-height:150px;
    padding:17px;
    text-decoration:none;
    transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.course-linked-card:hover{
    border-color:#9db9ff;
    box-shadow:0 12px 28px rgba(16,24,40,.07);
    transform:translateY(-2px);
}
.course-linked-type{
    color:#155eef;
    font-size:.6rem;
    font-weight:950;
    margin-bottom:8px;
    text-transform:uppercase;
}
.course-linked-card strong{
    font-size:.88rem;
}
.course-linked-card p{
    color:#667085;
    font-size:.68rem;
    line-height:1.5;
    margin:8px 0 14px;
}
.course-linked-card b{
    color:#0b4cc9;
    font-size:.65rem;
    margin-top:auto;
}
@media(max-width:900px){
    .course-linked-grid{
        grid-template-columns:repeat(2,minmax(0,1fr));
    }
}
@media(max-width:620px){
    .course-linked-resources{
        border-left:0;
        border-radius:0;
        border-right:0;
        padding:22px 18px;
    }
    .course-linked-grid{
        grid-template-columns:1fr;
    }
}

/* La progression est exactement collée sous le dernier élément supérieur. */
.course-reading-progress{
    top:var(--course-progress-top,0px)!important;
}


/* Mise en page du cours et sommaire latéral v65 */
.course-layout{
    align-items:start;
    display:grid;
    gap:24px;
    grid-template-columns:minmax(0,1fr) 290px;
}
.course-main-column{
    min-width:0;
}
.course-aside{
    display:grid;
    gap:12px;
    position:sticky;
    top:calc(var(--course-progress-top,76px) + 22px);
}
.course-aside-card{
    background:#fff;
    border:1px solid #dfe7f1;
    border-radius:18px;
    box-shadow:0 12px 32px rgba(16,24,40,.05);
    padding:19px;
}
.course-aside-kicker{
    color:#155eef;
    display:block;
    font-size:.58rem;
    font-weight:950;
    letter-spacing:.1em;
    margin-bottom:5px;
    text-transform:uppercase;
}
.course-aside-card>strong{
    color:#101828;
    display:block;
    font-size:1rem;
    margin-bottom:13px;
}
.course-aside nav{
    display:grid;
    gap:6px;
}
.course-aside nav a{
    background:#f7f9fc;
    border-left:3px solid transparent;
    border-radius:9px;
    color:#475467;
    font-size:.68rem;
    line-height:1.35;
    padding:8px 10px;
    text-decoration:none;
    transition:
        background .16s ease,
        border-color .16s ease,
        color .16s ease;
}
.course-aside nav a:hover{
    background:#edf4ff;
    border-left-color:#155eef;
    color:#0b4cc9;
}
.course-aside .course-back{
    display:flex;
    justify-content:center;
    text-align:center;
}

/* Nouveau bloc Pour aller plus loin v65 */
.course-next-section{
    background:#f7f9fc;
    border:1px solid #dfe7f1;
    border-radius:22px;
    grid-column:1/-1;
    margin-top:8px;
    overflow:hidden;
}
.course-next-heading{
    align-items:end;
    background:#fff;
    border-bottom:1px solid #dfe7f1;
    display:grid;
    gap:30px;
    grid-template-columns:minmax(0,.8fr) minmax(280px,1.2fr);
    padding:clamp(23px,4vw,36px);
}
.course-next-heading>div>span{
    color:#155eef;
    display:block;
    font-size:.62rem;
    font-weight:950;
    letter-spacing:.1em;
    text-transform:uppercase;
}
.course-next-heading h2{
    color:#101828;
    font-size:clamp(2rem,5vw,3.4rem);
    letter-spacing:-.065em;
    line-height:1;
    margin:7px 0 0;
}
.course-next-heading>p{
    color:#667085;
    font-size:.78rem;
    line-height:1.65;
    margin:0;
    max-width:650px;
}
.course-next-block{
    padding:clamp(20px,4vw,32px);
}
.course-next-block+.course-next-block{
    border-top:1px solid #dfe7f1;
}
.course-next-block-heading{
    align-items:center;
    display:grid;
    gap:13px;
    grid-template-columns:auto 1fr;
    margin-bottom:14px;
}
.course-next-icon{
    align-items:center;
    background:#edf4ff;
    border-radius:13px;
    color:#155eef;
    display:flex;
    font-size:.92rem;
    font-weight:950;
    height:44px;
    justify-content:center;
    width:44px;
}
.course-next-icon-exercise{
    background:#ecfdf3;
    color:#067647;
}
.course-next-block-heading h3{
    color:#101828;
    font-size:1rem;
    margin:0 0 3px;
}
.course-next-block-heading p{
    color:#667085;
    font-size:.66rem;
    margin:0;
}
.course-next-list{
    background:#fff;
    border:1px solid #dfe7f1;
    border-radius:16px;
    overflow:hidden;
}
.course-next-row{
    align-items:center;
    color:#101828;
    display:grid;
    gap:15px;
    grid-template-columns:46px minmax(0,1fr) auto;
    min-height:78px;
    padding:13px 16px;
    text-decoration:none;
    transition:background .16s ease;
}
.course-next-row+.course-next-row{
    border-top:1px solid #e8edf4;
}
.course-next-row:hover{
    background:#f8fbff;
}
.course-next-number{
    align-items:center;
    background:#f2f4f7;
    border-radius:10px;
    color:#667085;
    display:flex;
    font-size:.62rem;
    font-weight:950;
    height:38px;
    justify-content:center;
    width:38px;
}
.course-next-copy{
    display:grid;
    gap:4px;
    min-width:0;
}
.course-next-copy strong{
    font-size:.78rem;
    line-height:1.3;
}
.course-next-copy small{
    color:#667085;
    display:-webkit-box;
    font-size:.62rem;
    line-height:1.45;
    overflow:hidden;
    -webkit-box-orient:vertical;
    -webkit-line-clamp:2;
}
.course-next-action{
    align-items:center;
    color:#155eef;
    display:flex;
    font-size:.65rem;
    font-weight:950;
    gap:7px;
    white-space:nowrap;
}
.course-next-action b{
    font-size:.9rem;
}
@media(max-width:960px){
    .course-layout{
        grid-template-columns:minmax(0,1fr) 250px;
    }
}
@media(max-width:820px){
    .course-layout{
        grid-template-columns:1fr;
    }
    .course-aside{
        order:-1;
        position:static;
    }
    .course-aside-card{
        border-radius:14px;
    }
    .course-aside nav{
        grid-template-columns:repeat(2,minmax(0,1fr));
    }
    .course-next-heading{
        align-items:start;
        grid-template-columns:1fr;
    }
}
@media(max-width:620px){
    .course-aside{
        display:block!important;
        padding:0 18px;
    }
    .course-aside .course-back{
        display:none;
    }
    .course-aside nav{
        grid-template-columns:1fr;
    }
    .course-next-section{
        border-left:0;
        border-radius:0;
        border-right:0;
    }
    .course-next-row{
        align-items:start;
        grid-template-columns:38px minmax(0,1fr);
    }
    .course-next-action{
        grid-column:2;
        justify-self:start;
    }
}


/* Transition du sommaire avant « Pour aller plus loin » */
.course-aside{
    opacity:1;
    transform:translateY(0);
    transition:opacity .24s ease,transform .28s ease;
}
.course-aside.is-leaving{
    opacity:0;
    pointer-events:none;
    transform:translateY(-14px);
}
@media(max-width:820px){
    .course-aside,
    .course-aside.is-leaving{
        opacity:1;
        pointer-events:auto;
        transform:none;
    }
}

/* Centrage limité au pied auteur/date du contenu */
.course-content footer{
    align-items:center;
    display:flex;
    flex-wrap:wrap;
    gap:8px 20px;
    justify-content:center;
    text-align:center;
}
.course-content footer p{
    margin:0;
}
.course-content footer a,
.course-content footer time{
    font-size:inherit;
}

/* Tableaux de cours */
.course-content .course-table-shell,
.course-content .table-wrap{
    background:#fff;
    border:1px solid #dce5f0;
    border-radius:16px;
    box-shadow:0 10px 28px rgba(16,24,40,.045);
    margin:1.7rem 0;
    max-width:100%;
    overflow:auto;
    overscroll-behavior-inline:contain;
    scrollbar-color:#b8c7df #f2f5f9;
    scrollbar-width:thin;
}
.course-content .course-table-shell:focus-visible,
.course-content .table-wrap:focus-visible{
    outline:3px solid rgba(21,94,239,.22);
    outline-offset:3px;
}
.course-content .course-table-shell table,
.course-content .table-wrap table{
    border-collapse:separate;
    border-spacing:0;
    font-size:.82rem;
    line-height:1.5;
    margin:0;
    min-width:620px;
    width:100%;
}
.course-content .course-table-shell caption,
.course-content .table-wrap caption{
    background:#f8fafc;
    border-bottom:1px solid #dce5f0;
    color:#344054;
    font-size:.72rem;
    font-weight:900;
    padding:13px 16px;
    text-align:left;
}
.course-content .course-table-shell th,
.course-content .course-table-shell td,
.course-content .table-wrap th,
.course-content .table-wrap td{
    border:0;
    border-bottom:1px solid #e8edf4;
    border-right:1px solid #e8edf4;
    padding:12px 14px;
    text-align:left;
    vertical-align:top;
}
.course-content .course-table-shell th:last-child,
.course-content .course-table-shell td:last-child,
.course-content .table-wrap th:last-child,
.course-content .table-wrap td:last-child{
    border-right:0;
}
.course-content .course-table-shell tr:last-child td,
.course-content .table-wrap tr:last-child td{
    border-bottom:0;
}
.course-content .course-table-shell thead th,
.course-content .table-wrap thead th{
    background:#edf4ff;
    color:#1d2939;
    font-size:.68rem;
    font-weight:950;
    letter-spacing:.015em;
    position:sticky;
    top:0;
    z-index:1;
}
.course-content .course-table-shell tbody tr:nth-child(even),
.course-content .table-wrap tbody tr:nth-child(even){
    background:#fafbfd;
}
.course-content .course-table-shell tbody tr:hover,
.course-content .table-wrap tbody tr:hover{
    background:#f2f7ff;
}
.course-content .course-table-shell td:first-child,
.course-content .table-wrap td:first-child{
    color:#344054;
    font-weight:750;
}
@media(max-width:620px){
    .course-content .course-table-shell,
    .course-content .table-wrap{
        border-left:0;
        border-radius:0;
        border-right:0;
        margin-left:-18px;
        margin-right:-18px;
    }
    .course-content .course-table-shell table,
    .course-content .table-wrap table{
        font-size:.76rem;
        min-width:560px;
    }
}

/* Mode lecture grand écran */
.course-focus-exit{
    display:none;
}
.course-content:fullscreen,
.course-content.is-course-focus{
    background:#fff;
    border:0;
    border-radius:0;
    box-shadow:none;
    height:100%;
    margin:0;
    max-width:none;
    overflow:auto;
    padding:clamp(28px,5vw,72px) clamp(22px,8vw,120px);
    width:100%;
}
.course-content:fullscreen .course-focus-exit,
.course-content.is-course-focus .course-focus-exit{
    background:#fff;
    border:1px solid #d0d5dd;
    border-radius:999px;
    color:#344054;
    cursor:pointer;
    display:block;
    font-weight:800;
    margin:0 0 28px auto;
    padding:9px 14px;
    position:sticky;
    right:18px;
    top:18px;
    z-index:5;
}
body.course-focus-mode{
    overflow:hidden;
}
body.course-focus-mode .site-header,
body.course-focus-mode .announcement,
body.course-focus-mode .course-reading-progress,
body.course-focus-mode .course-cover,
body.course-focus-mode .course-aside,
body.course-focus-mode .course-next-section,
body.course-focus-mode .site-footer,
body.course-focus-mode .site-social-rail,
body.course-focus-mode .site-scroll-top{
    display:none!important;
}
body.course-focus-mode .course-page,
body.course-focus-mode .course-layout,
body.course-focus-mode .course-main-column{
    display:block;
    margin:0;
    max-width:none;
    padding:0;
    width:100%;
}
@media(prefers-reduced-motion:reduce){
    .course-aside{
        transition:none;
    }
}


/* Bouton d'ouverture du mode lecture v68 */
.course-focus-launch{
    align-items:center;
    appearance:none;
    background:#ffffff;
    border:1px solid #cfd9e8;
    border-radius:12px;
    color:#174ebc;
    cursor:pointer;
    display:inline-flex;
    font:inherit;
    font-size:.78rem;
    font-weight:850;
    gap:8px;
    justify-content:center;
    min-height:42px;
    padding:10px 14px;
    transition:
        background .18s ease,
        border-color .18s ease,
        box-shadow .18s ease,
        transform .18s ease;
}
.course-focus-launch:hover{
    background:#edf4ff;
    border-color:#9db9ff;
    box-shadow:0 8px 22px rgba(23,78,188,.10);
    transform:translateY(-1px);
}
.course-focus-launch:focus-visible{
    outline:3px solid rgba(40,100,237,.22);
    outline-offset:3px;
}

/* Bandeau blanc du mode lecture v68 */
.course-focus-toolbar{
    display:none;
}
.course-content:fullscreen,
.course-content.is-course-focus{
    padding-top:0!important;
}
.course-content:fullscreen .course-focus-toolbar,
.course-content.is-course-focus .course-focus-toolbar{
    align-items:center;
    background:#fff;
    border-bottom:1px solid #e4e7ec;
    display:flex;
    justify-content:space-between;
    left:0;
    margin:0 calc(clamp(22px,8vw,120px) * -1) 30px;
    min-height:64px;
    padding:10px clamp(22px,8vw,120px);
    position:sticky;
    right:0;
    top:0;
    width:calc(100% + (clamp(22px,8vw,120px) * 2));
    z-index:20;
}
.course-focus-toolbar>span{
    color:#667085;
    font-size:.68rem;
    font-weight:900;
    letter-spacing:.08em;
    text-transform:uppercase;
}
.course-content:fullscreen .course-focus-exit,
.course-content.is-course-focus .course-focus-exit{
    align-items:center;
    background:#fff;
    border:1px solid #d0d5dd;
    border-radius:999px;
    color:#344054;
    cursor:pointer;
    display:inline-flex;
    font:inherit;
    font-size:.72rem;
    font-weight:850;
    margin:0;
    padding:9px 14px;
    position:static;
}
.course-content:fullscreen .course-focus-exit:hover,
.course-content.is-course-focus .course-focus-exit:hover{
    background:#f2f4f7;
}
@media(max-width:620px){
    .course-focus-launch{
        width:100%;
    }
    .course-content:fullscreen .course-focus-toolbar,
    .course-content.is-course-focus .course-focus-toolbar{
        margin-left:-22px;
        margin-right:-22px;
        padding-left:18px;
        padding-right:18px;
        width:calc(100% + 44px);
    }
}

/* V4.18 — réactions de cours, compteurs privés */
.course-reactions{margin:1.15rem 0 0;background:#fff;border:1px solid #dbe5ef;border-radius:16px;padding:1rem 1.1rem;display:flex;align-items:center;justify-content:space-between;gap:1rem}.course-reactions>div{display:grid;gap:.18rem}.course-reactions strong{color:#183650;font-size:.98rem}.course-reactions>div>span{color:#6b7f92;font-size:.82rem}.course-reaction-actions{display:flex;gap:.55rem}.course-reaction-btn{appearance:none;border:1px solid #c8d5e2;background:#fff;color:#36536d;border-radius:999px;padding:.58rem .82rem;display:inline-flex;align-items:center;gap:.4rem;font:inherit;font-weight:800;cursor:pointer}.course-reaction-btn:hover{background:#f5f9fd;border-color:#9fb6cc}.course-reaction-btn.is-active{background:#173f63;border-color:#173f63;color:#fff;box-shadow:0 3px 10px rgba(23,63,99,.14)}.course-reaction-login{white-space:nowrap}@media(max-width:680px){.course-reactions{align-items:stretch;flex-direction:column}.course-reaction-actions{width:100%}.course-reaction-btn{flex:1;justify-content:center}.course-reaction-login{text-align:center;white-space:normal}}

/* V4.19 — partage de cours */
.course-public-actions{display:flex;justify-content:flex-end;margin:1rem 0 .45rem}.content-share-btn{appearance:none;border:1px solid #c8d5e2;background:#fff;color:#173f63;border-radius:999px;padding:.62rem .9rem;font:inherit;font-weight:850;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:.42rem;transition:background .16s ease,border-color .16s ease,transform .16s ease}.content-share-btn:hover{background:#f5f9fd;border-color:#9fb6cc;transform:translateY(-1px)}.content-share-btn.is-shared{background:#eaf7ef;border-color:#b8dfc6;color:#21613a}@media(max-width:680px){.course-public-actions{justify-content:stretch}.content-share-btn{width:100%}}

/* En-tête de cours : auteur compact + actions v4.20 */
.course-cover .container{max-width:980px}
.course-cover h1{max-width:900px;margin-bottom:.7rem}
.course-cover> .container > p{margin-top:0;max-width:850px}
.course-header-lower{align-items:center;display:flex;gap:14px;justify-content:space-between;margin-top:1.35rem}
.course-author-chip{align-items:center;border-radius:14px;color:#1b2c43;display:inline-flex;gap:.68rem;min-width:0;padding:.35rem .45rem .35rem .35rem;text-decoration:none;transition:background .16s ease,transform .16s ease}
.course-author-chip:hover{background:rgba(255,255,255,.68);transform:translateY(-1px)}
.course-author-chip img,.course-author-avatar-fallback{background:#fff;border:1px solid rgba(116,139,166,.22);border-radius:50%;box-shadow:0 3px 10px rgba(34,57,82,.08);height:38px;object-fit:cover;width:38px}
.course-author-avatar-fallback{align-items:center;display:inline-flex;justify-content:center;font-size:1rem}
.course-author-chip>span:last-child{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.course-author-chip strong{font-size:.9rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.course-author-chip small{color:#64748b;font-size:.7rem;font-weight:700;margin-top:.2rem}
.course-header-actions{align-items:center;display:flex;flex-wrap:wrap;gap:.55rem;justify-content:flex-end}
.course-header-actions form{margin:0}
.course-header-actions .btn-secondary{min-height:39px;padding:.58rem .78rem}
.course-header-share{white-space:nowrap}
.course-duration{color:#64748b;font-size:.78rem;margin-top:.65rem;text-align:right}
.teacher-course-page .teacher-course-author{display:none}
.course-public-actions{display:none!important}
@media(max-width:720px){
  .course-header-lower{align-items:flex-start;flex-direction:column}
  .course-header-actions{justify-content:flex-start;width:100%}
  .course-header-actions .btn-secondary,.course-header-actions .course-focus-launch{width:auto}
  .course-duration{text-align:left}
}
@media(max-width:460px){
  .course-header-actions{display:grid;grid-template-columns:1fr 1fr}
  .course-header-actions .course-focus-launch{grid-column:1/-1}
  .course-header-actions .btn-secondary,.course-header-actions .course-focus-launch,.course-header-actions form,.course-header-actions form .btn-secondary{width:100%}
}
/* V4.36 — signalement cours/images */
.creator-course-report{margin-top:1.6rem;padding-top:1rem;border-top:1px solid #e2e8f0;text-align:right}.creator-course-report a,.course-image-report-link,.course-image-actions a{font-size:.8rem;color:#64748b;text-decoration:underline;text-underline-offset:3px}.course-image-report-wrap{display:inline-flex;flex-direction:column;align-items:flex-start;max-width:100%}.course-image-report-wrap>img{max-width:100%}.course-image-unavailable{min-height:180px;border:1px dashed #cbd5e1;border-radius:14px;background:#f8fafc;color:#64748b;display:grid;place-items:center;text-align:center;padding:1rem}.teacher-course-media .sv-media-warning{padding:1rem;border-radius:14px;background:#fff7ed;border:1px solid #fed7aa;color:#9a3412}.teacher-course-media .sv-media-warning p{margin:.45rem 0 .8rem}.course-image-actions{margin-top:.4rem}
/* V4.39 — médias de cours : signalement contextuel */
.teacher-course-media{position:relative}.teacher-course-media-visual{position:relative;display:inline-block;max-width:100%}.teacher-course-media-visual[hidden]{display:none!important}.teacher-course-media-visual>img{display:block;max-width:100%}.course-image-report-action{position:absolute;top:.65rem;right:.65rem;z-index:3;border:1px solid rgba(255,255,255,.72);background:rgba(15,23,42,.78);backdrop-filter:blur(8px);color:#fff;border-radius:999px;padding:.45rem .72rem;font-size:.76rem;font-weight:750;line-height:1;cursor:pointer;box-shadow:0 8px 24px rgba(15,23,42,.18)}.course-image-report-action:hover{background:#0f172a}.course-media-report-modal[hidden]{display:none!important}.course-media-report-modal{position:fixed;inset:0;z-index:10050;display:grid;place-items:center;padding:1rem}.course-media-report-backdrop{position:absolute;inset:0;background:rgba(15,23,42,.58);backdrop-filter:blur(5px)}.course-media-report-card{position:relative;width:min(560px,100%);max-height:min(760px,calc(100vh - 2rem));overflow:auto;background:#fff;border:1px solid #e2e8f0;border-radius:22px;box-shadow:0 30px 90px rgba(15,23,42,.3)}.course-media-report-card>header{padding:1.4rem 1.45rem 1.1rem;border-bottom:1px solid #e8eef3;display:flex;justify-content:space-between;gap:1rem}.course-media-report-card>header span{display:block;color:#64748b;font-size:.76rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;margin-bottom:.28rem}.course-media-report-card h2{margin:0;color:#0f172a;font-size:1.35rem}.course-media-report-card header p{margin:.45rem 0 0;color:#64748b;line-height:1.5;font-size:.92rem}.course-media-report-close{width:36px;height:36px;flex:0 0 36px;border:1px solid #dbe5ec;border-radius:11px;background:#fff;font-size:1.35rem;cursor:pointer}.course-media-report-card form{padding:1.25rem 1.45rem 1.45rem;display:grid;gap:1rem}.course-media-report-card label{display:grid;gap:.45rem;font-size:.88rem;font-weight:750;color:#334155}.course-media-report-card label span{font-weight:500;color:#94a3b8}.course-media-report-card select,.course-media-report-card textarea{width:100%;border:1px solid #cfdce5;border-radius:12px;background:#fff;padding:.78rem .85rem;color:#0f172a;font:inherit;outline:none}.course-media-report-card select:focus,.course-media-report-card textarea:focus{border-color:#4c8ab5;box-shadow:0 0 0 3px rgba(76,138,181,.12)}.course-media-report-card footer{display:flex;justify-content:flex-end;gap:.7rem;padding-top:.2rem}.course-media-report-cancel,.course-media-report-submit{border-radius:11px;padding:.72rem 1rem;font-weight:750;cursor:pointer}.course-media-report-cancel{background:#fff;border:1px solid #d6e0e7;color:#334155}.course-media-report-submit{background:#1f4e79;border:1px solid #1f4e79;color:#fff}.course-media-report-feedback{border-radius:11px;padding:.75rem .85rem;font-size:.88rem}.course-media-report-feedback.success{background:#ecfdf5;color:#166534;border:1px solid #bbf7d0}.course-media-report-feedback.error{background:#fff1f2;color:#991b1b;border:1px solid #fecdd3}body.course-media-report-open{overflow:hidden}
/* V4.39 — auteurs multiples */
.course-author-multi{font:inherit;text-align:left;cursor:pointer}.course-authors-modal[hidden]{display:none!important}.course-authors-modal{position:fixed;inset:0;z-index:10040;display:grid;place-items:center;padding:1rem}.course-authors-backdrop{position:absolute;inset:0;background:rgba(15,23,42,.55);backdrop-filter:blur(5px)}.course-authors-card{position:relative;width:min(520px,100%);background:#fff;border:1px solid #e2e8f0;border-radius:20px;box-shadow:0 28px 90px rgba(15,23,42,.28);overflow:hidden}.course-authors-card>header{display:flex;justify-content:space-between;gap:1rem;padding:1.15rem 1.2rem;border-bottom:1px solid #e8eef3}.course-authors-card>header span{display:block;font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:#64748b;font-weight:800}.course-authors-card h2{margin:.2rem 0 0;font-size:1.25rem}.course-authors-card>header button{width:36px;height:36px;border:1px solid #dbe5ec;background:#fff;border-radius:11px;font-size:1.3rem;cursor:pointer}.course-authors-list{display:grid;padding:.8rem}.course-author-identity{display:flex;align-items:center;gap:.75rem;padding:.72rem;border-radius:13px;color:#0f172a;text-decoration:none}.course-author-identity:hover{background:#f6f9fb}.course-author-identity img,.course-author-identity .course-author-avatar-fallback{width:42px;height:42px;border-radius:50%;object-fit:cover;display:grid;place-items:center;background:#edf3f7;flex:0 0 42px}.course-author-identity>span{display:grid;min-width:0}.course-author-identity small{color:#64748b;font-size:.78rem}.course-author-identity>b{margin-left:auto;color:#94a3b8;font-size:1.4rem}body.course-authors-open{overflow:hidden}

/* V4.41 — signature auteur compacte pour les cours coécrits */
.course-author-compact{border:0;background:transparent;padding:.2rem .15rem;gap:.65rem;box-shadow:none}
.course-author-compact:hover{background:transparent;transform:none}
.course-author-stack{display:flex;align-items:center;min-width:38px;padding-right:4px}
.course-author-stack-avatar{width:36px!important;height:36px!important;border-radius:50%;object-fit:cover;background:#fff;border:2px solid #fff!important;box-shadow:0 3px 12px rgba(15,23,42,.13);display:grid;place-items:center;flex:0 0 36px}
.course-author-stack-avatar+ .course-author-stack-avatar{margin-left:-13px}
.course-author-stack-name{display:block!important;line-height:1!important}
.course-author-stack-name strong{font-size:.91rem!important;white-space:nowrap}
@media(max-width:640px){.course-author-stack-avatar{width:32px!important;height:32px!important;flex-basis:32px}.course-author-stack-avatar+ .course-author-stack-avatar{margin-left:-12px}.course-author-stack-name strong{font-size:.86rem!important}}

/* V4.48 — abonnement dans l’en-tête : même famille visuelle que Partager / Lire en grand écran */
.course-header-follow{display:flex;align-items:center;margin:0}.course-header-follow .course-header-subscribe{min-height:39px;margin:0;white-space:nowrap}.course-header-follow .course-header-subscribe[name="action"][value="unfollow"]{background:#eef4ff;border-color:#b8cbed;color:#1d4f9f}@media(max-width:620px){.course-header-actions form.course-header-follow{width:100%}.course-header-follow .course-header-subscribe{width:100%}}

/* V4.49 — lecteur enseignant strictement identique au lecteur SVsansT */
.teacher-course-page .course-layout{grid-template-columns:minmax(0,1fr) 260px!important;align-items:start!important}
.teacher-course-page .course-main-column{max-width:none!important;width:auto!important;margin:0!important;min-width:0!important}
@media(max-width:900px){.teacher-course-page .course-layout{grid-template-columns:1fr!important}.teacher-course-page .course-aside{display:block!important;order:-1!important;position:static!important}}
@media(min-width:901px){.teacher-course-page .course-aside{display:block!important;position:sticky!important;top:95px!important;order:initial!important}}
/* V4.51 — entrée vers l'assistant depuis le lecteur */
.course-ai-launch{display:inline-flex;align-items:center;justify-content:center;text-decoration:none}