:root{--youth-green:#2864ed;--youth-green-dark:#1f55c9;--youth-soft:#eef4ff;--youth-line:#cbdcff}
.youth-page{background:#f8fafc;min-height:70vh;padding-bottom:72px}
.youth-hero{background:radial-gradient(600px 250px at 8% 0%,rgba(40,100,237,.16),transparent 72%),linear-gradient(135deg,#eef4ff,#fff);border-bottom:1px solid var(--youth-line);padding:48px 0}
.youth-hero h1{font-size:clamp(2.3rem,5vw,4.4rem);letter-spacing:-.05em;margin:12px 0}
.youth-hero p{color:#475569;line-height:1.7;max-width:800px}
.youth-kicker{background:#fff;border:1px solid var(--youth-line);border-radius:999px;color:var(--youth-green-dark);display:inline-flex;font-size:.76rem;font-weight:950;letter-spacing:.07em;padding:7px 11px;text-transform:uppercase}
.youth-contributor-link{margin-top:14px}
.youth-catalogue{padding-top:30px}
.youth-filters{align-items:end;background:#fff;border:1px solid #dbe4f0;border-radius:22px;box-shadow:0 12px 34px rgba(15,23,42,.06);display:grid;gap:13px;grid-template-columns:minmax(230px,1.5fr) repeat(4,minmax(130px,.7fr));padding:18px}
.youth-filters label{color:#334155;display:block;font-size:.76rem;font-weight:900;margin-bottom:6px}
.youth-filters input,.youth-filters select{background:#fff;border:1px solid #cbd5e1;border-radius:11px;font:inherit;min-height:44px;padding:9px 11px;width:100%}
.youth-filter-actions{display:flex;gap:7px;grid-column:1/-1;justify-content:flex-end}
.youth-results-head{align-items:center;display:flex;gap:7px;margin:24px 0 14px}
.youth-results-head strong{color:var(--youth-green-dark);font-size:1.35rem}
.youth-grid{display:grid;gap:20px;grid-template-columns:repeat(3,minmax(0,1fr))}
.youth-card{background:#fff;border:1px solid #dbe4f0;border-radius:21px;box-shadow:0 13px 34px rgba(15,23,42,.065);display:flex;flex-direction:column;overflow:hidden;position:relative}
.youth-card-media{align-items:center;background:linear-gradient(135deg,#e8f0ff,#f6f9ff);display:flex;height:185px;justify-content:center;overflow:hidden;position:relative;text-decoration:none}
.youth-card-media img{height:100%;object-fit:cover;width:100%}
.youth-card-media>span:not(.youth-format){font-size:3rem}
.youth-format{background:rgba(15,23,42,.85);border-radius:8px;bottom:10px;color:#fff;font-size:.68rem;font-weight:900;padding:6px 8px;position:absolute;right:10px}
.youth-card-body{display:flex;flex:1;flex-direction:column;padding:18px}
.youth-tags,.youth-article-tags{display:flex;flex-wrap:wrap;gap:6px}
.youth-tags span,.youth-article-tags span{background:#f1f5f9;border-radius:999px;color:#475569;font-size:.67rem;font-weight:850;padding:5px 8px}
.youth-tags .is-reviewed,.youth-article-tags .is-reviewed{background:#e8f0ff;color:#214fba}
.youth-card h2{font-size:1.23rem;line-height:1.3;margin:13px 0 8px}
.youth-card-body>p{color:#64748b;line-height:1.6;margin:0 0 15px}
.youth-author{border-top:1px solid #e2e8f0;margin-top:auto;padding-top:13px}
.youth-author strong,.youth-author small{display:block}.youth-author small{color:#64748b;margin-top:2px}
.youth-card-footer{align-items:center;display:flex;gap:10px;justify-content:space-between;margin-top:15px}
.youth-card-footer>span{color:#64748b;font-size:.78rem}
@media(max-width:1000px){.youth-filters{grid-template-columns:repeat(2,minmax(0,1fr))}.youth-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:650px){.youth-hero{padding:35px 0}.youth-filters,.youth-grid{grid-template-columns:1fr}.youth-filter-actions{align-items:stretch;flex-direction:column}.youth-filter-actions>*{justify-content:center;width:100%}}

/* V5.42 — annuaire et profils scientifiques Articles jeunesse */
.youth-author-directory-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.youth-author-directory-card{display:grid;grid-template-columns:76px minmax(0,1fr);gap:15px;align-items:start;background:#fff;border:1px solid #dbe5ec;border-radius:20px;padding:18px;text-decoration:none;color:#1f3447;box-shadow:0 10px 28px rgba(16,46,68,.055);transition:.18s ease}.youth-author-directory-card:hover{transform:translateY(-2px);border-color:#9bb8f4;box-shadow:0 16px 34px rgba(16,46,68,.09)}.youth-author-directory-photo{width:76px;height:76px;border-radius:50%;overflow:hidden;background:linear-gradient(145deg,#e4edff,#f2f6ff);display:grid;place-items:center;color:#285dbe;font-weight:950;font-size:1.25rem}.youth-author-directory-photo img{width:100%;height:100%;object-fit:cover}.youth-author-directory-card h2{margin:.1rem 0 .25rem;font-size:1.08rem;color:#17324d}.youth-author-directory-card p{margin:0;color:#536c80;font-size:.84rem}.youth-author-directory-card small{display:block;margin-top:.25rem;color:#7a8d9c;line-height:1.4}.youth-author-directory-stats{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.youth-author-directory-stats span{display:inline-flex;align-items:center;gap:4px;padding:5px 8px;background:#f2f7f7;border-radius:999px;color:#526d76;font-size:.7rem;font-weight:800}.youth-author-directory-stats strong{color:#0f6d72}
.youth-public-author-hero{margin-top:34px;background:linear-gradient(135deg,#eef4ff,#fff);border:1px solid #d5e1fb;border-radius:26px;padding:26px 28px;box-shadow:0 14px 36px rgba(18,61,68,.055)}.youth-author-back{display:inline-flex;margin-bottom:22px;color:#5f7889;text-decoration:none;font-size:.82rem;font-weight:850}.youth-public-author-main{display:flex;gap:20px;align-items:center}.youth-public-author-photo{width:112px;height:112px;border-radius:50%;overflow:hidden;display:grid;place-items:center;background:#dceeee;color:#285dbe;font-size:2rem;font-weight:950;flex:0 0 112px}.youth-public-author-photo img{width:100%;height:100%;object-fit:cover}.youth-public-author-main h1{margin:.35rem 0 .2rem;color:#17324d;font-size:clamp(2rem,5vw,3.25rem);letter-spacing:-.04em}.youth-public-author-title{margin:0;color:#3f596d;font-weight:850}.youth-public-author-org{margin:.25rem 0 0;color:#778b9a}.youth-public-author-bio{max-width:900px;margin:22px 0 0;color:#52697b;line-height:1.7}.youth-public-author-links{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.youth-public-author-links a{display:inline-flex;padding:8px 11px;border:1px solid #cfe0e4;border-radius:999px;background:#fff;text-decoration:none;color:#285d88;font-size:.76rem;font-weight:850}.youth-public-author-contribs{padding-top:24px;padding-bottom:70px}.youth-public-author-section{margin-top:22px}.youth-profile-article-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.youth-profile-article-card{display:grid;gap:7px;background:#fff;border:1px solid #dce6ed;border-radius:17px;padding:16px;text-decoration:none;color:#17324d;box-shadow:0 7px 20px rgba(18,52,74,.045)}.youth-profile-article-card>span{width:max-content;padding:4px 7px;border-radius:999px;background:#edf3ff;color:#285dbe;font-size:.66rem;font-weight:900}.youth-profile-article-card h3{margin:0;font-size:1rem}.youth-profile-article-card p{margin:0;color:#687d8d;font-size:.82rem;line-height:1.5}.youth-profile-article-card small{color:#8a9aa7}.youth-profile-article-card:hover{border-color:#9bb8f4;background:#f9fbff}
@media(max-width:980px){.youth-author-directory-grid,.youth-profile-article-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:650px){.youth-author-directory-grid,.youth-profile-article-grid{grid-template-columns:1fr}.youth-public-author-main{align-items:flex-start;flex-direction:column}.youth-public-author-photo{width:92px;height:92px;flex-basis:92px}.youth-public-author-hero{margin-top:18px;padding:20px}}
.youth-author-role-badges{display:flex;gap:6px;flex-wrap:wrap;margin-top:9px}.youth-author-role-badges span{display:inline-flex;padding:5px 8px;border-radius:999px;background:#edf3ff;color:#285dbe;font-size:.67rem;font-weight:900}

/* V5.43 — barre catalogue alignée sur Cours / Maladies */
.youth-catalog-summary{align-items:center;display:flex;justify-content:space-between;gap:1rem;margin:1.25rem 0}.youth-catalog-summary .course-catalog-summary-main{align-items:center;display:flex;gap:.85rem;justify-content:space-between;flex-wrap:wrap;width:100%}.youth-catalog-summary .course-catalog-summary-main>p{margin:0 auto 0 0;color:#64748b}.youth-catalog-summary .course-catalog-summary-actions{align-items:center;display:flex;gap:.6rem;flex-wrap:wrap;justify-content:flex-end}.youth-catalog-summary .courses-discover-channels{background:#f1f6ff;border:1px solid #cfddf7;border-radius:999px;color:#285d88;font-size:.78rem;font-weight:850;padding:.45rem .68rem;text-decoration:none}.youth-catalog-summary .courses-discover-channels:hover{background:#e8f0ff}@media(max-width:650px){.youth-catalog-summary .course-catalog-summary-main{align-items:flex-start}.youth-catalog-summary .course-catalog-summary-actions{margin-left:auto}}

/* V5.44 — navigation unifiée Articles jeunesse */
.youth-section-nav{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:22px auto 0;max-width:1180px;padding:0 20px}.youth-section-nav a{display:inline-flex;align-items:center;min-height:38px;padding:8px 13px;border:1px solid #d4e0f6;border-radius:999px;background:#fff;color:#315b92;text-decoration:none;font-size:.78rem;font-weight:850;box-shadow:0 4px 14px rgba(40,100,237,.04)}.youth-section-nav a:hover,.youth-section-nav a.is-active{background:#2864ed;border-color:#2864ed;color:#fff}.youth-authors-page .youth-hero{background:radial-gradient(620px 260px at 10% 0%,rgba(40,100,237,.16),transparent 72%),linear-gradient(135deg,#eef4ff,#fff);border-bottom-color:#d3e0fb}.youth-author-directory-card:hover{border-color:#9bb8f4}.youth-public-author-hero{background:linear-gradient(135deg,#eef4ff,#fff);border-color:#d6e2fb}.youth-public-author-links a{border-color:#d4e0f6;color:#285d88}.youth-profile-article-card>span{background:#edf3ff;color:#285dbe}.youth-profile-article-card:hover{border-color:#a9c0f2;background:#f9fbff}.youth-author-role-badges span{background:#edf3ff;color:#285dbe}
.youth-platform-label{display:inline-flex!important;width:max-content;margin-top:7px;padding:4px 7px;border-radius:999px;background:#edf3ff;color:#285dbe!important;font-size:.64rem!important;font-weight:900}.youth-public-author-hero.is-platform{overflow:hidden}.youth-public-author-banner{height:170px;margin:-26px -28px 24px;background-position:center;background-size:cover;border-bottom:1px solid #d9e4f7}.youth-public-author-hero.is-platform .youth-public-author-photo{border-radius:22px;background:#fff;border:1px solid #d4e0f5;padding:9px}.youth-public-author-hero.is-platform .youth-public-author-photo img{object-fit:contain}.youth-public-author-hero.is-platform .youth-public-author-main h1{color:#163b80}@media(max-width:650px){.youth-public-author-banner{height:120px;margin:-20px -20px 18px}}

.youth-public-author-manage{display:flex;justify-content:flex-end;margin:0 0 16px}