/* Mise en page du prototype et des fiches ; aucun changement du CSS commun. */
.hc-header { padding: 1rem max(1rem, calc((100vw - 960px) / 2)); border-bottom: 1px solid var(--line); }
.hc-header a { color: var(--text); }
.hc-main { max-width: 960px; margin: auto; padding: 1.5rem 1rem 4rem; }
.hc-main [hidden] { display: none !important; }
.hc-main h1 { font-size: clamp(1.7rem, 5vw, 2.6rem); }
.hc-main a { color: var(--cyan); overflow-wrap: anywhere; }
.hc-main .ardoise { margin-top: 2rem; }
.hc-main .ardoise::before { inset: -10px; }
.hc-main .enonce { white-space: pre-line; overflow-wrap: anywhere; }
.hc-main .hc-consigne { font-family: var(--font-sans); font-size: 1rem; color: #cbd4e4; margin: 0 0 .65rem; }
.hc-main #qEnonce { font-size: clamp(1.7rem, 5vw, 2.25rem); line-height: 1.35; }
.hc-main .hc-parcours { color: #dbe3ef; line-height: 1.7; }
.hc-main .choix button { font-size: 1.2rem; }
.hc-main .choix button.faux { text-decoration: none; }
.hc-choix-statut { display: block; font-family: var(--font-sans); font-size: .78rem; line-height: 1.35; margin-top: .4rem; }
.hc-main #qVerdict:not(:empty) { margin-top: 1.4rem; padding-top: 1.2rem; border-top: 1px solid var(--line); }
.hc-main #qVerdict:empty, .hc-main #qAide:empty { display: none; }
.hc-main .hc-verdict-titre { display: block; font-size: 1.45rem; line-height: 1.3; }
.hc-main #qVerdict p, .hc-main #qAide p { color: #dbe3ef; font-size: 1.05rem; line-height: 1.65; }
.hc-main .hc-reponse-attendue strong { display: inline; font-size: 1.15rem; color: var(--text); }
.hc-suite { margin: 1.3rem 0 .8rem; }
#qPartage { border-top: 1px solid var(--line); padding-top: 1rem; margin-top: 1.3rem; }
.hc-partage-actions { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1rem; font-size: .9rem; }
#qPartage .hint { margin: .55rem 0; }
.hc-main .card { padding: 1.2rem; }
.hc-main button:focus-visible, .hc-main a:focus-visible, .hc-main summary:focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; }
.hc-main .verdict h3, .hc-correction h2 { margin: 1.2rem 0 .3rem; font-size: .95rem; letter-spacing: .06em; }
.hc-main .verdict p { margin: .4rem 0; }
.hc-correction { border: 1px solid var(--line); border-radius: 14px; padding: 1rem; }
.hc-correction summary { cursor: pointer; }
.hc-list li { padding: .7rem 0; }
#qLienTexte { display: block; width: 100%; margin: .4rem 0 .7rem; }
#qErreur { color: var(--warn); }
.hc-navigation { display: flex; flex-wrap: wrap; gap: .75rem 1.2rem; margin: 1.5rem 0; padding: 1rem; border: 1px solid var(--line); border-radius: 12px; }
.hc-navigation a { display: inline-flex; align-items: center; min-height: 44px; }
.hc-position { line-height: 1.7; color: #cbd4e4; }
.hc-public-nav { display: flex; flex-wrap: wrap; gap: .4rem 1.3rem; margin-bottom: .8rem; }
.hc-public-nav a { display: inline-flex; align-items: center; min-height: 44px; }
.hc-public-copy { margin: 1rem 0; font-size: .9rem; }
.hc-public-copy input { display: block; width: 100%; margin: .5rem 0; }
.hc-formats { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--line); font-size: .9rem; }
.hc-main .katex { font-size: 1.12em; white-space: nowrap; }
.hc-main #qEnonce { line-height: 1.65; }
.hc-main .math-unavailable { white-space: pre-wrap; overflow-wrap: anywhere; }
@media(max-width: 420px) { .hc-main .ardoise { padding: 1rem; } }