.lecture-hero{background:linear-gradient(135deg,#fff9e8,#f3f9ff);border-bottom:2px solid var(--seyes)}
.lecture-hero-inner{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(280px,.7fr);gap:42px;align-items:center;padding-block:42px}
.lecture-hero h1{font-size:clamp(2.35rem,5vw,4rem);line-height:1;color:var(--encre)}
.lecture-hero h1 span{color:var(--rouge)}.lecture-hero p{max-width:700px;font-size:1.08rem;color:var(--gris);margin-top:12px}
.lecture-hero img{width:min(100%,440px);justify-self:center;border-radius:26px;box-shadow:var(--shadow)}
.lecture-actions{display:flex;gap:10px;flex-wrap:wrap}.lecture-actions .btn.secondary{background:#fff;color:var(--encre);border:2px solid var(--encre)}
.lecture-path{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.lecture-path-card{background:#fff;border:2px solid var(--seyes);border-radius:20px;padding:22px;display:flex;flex-direction:column;min-height:240px}
.lecture-path-card small{font-weight:800;color:var(--rouge);text-transform:uppercase;letter-spacing:.05em}
.lecture-path-card h2{color:var(--encre);font-size:1.45rem;margin:8px 0 5px}.lecture-path-card p{color:var(--gris);flex:1}
.lecture-path-card .btn{align-self:flex-start;padding:9px 17px}
.lecture-note{margin-top:24px;padding:18px 20px;border-radius:16px;background:#fff9e8;border-left:5px solid var(--jaune)}
.lecture-book{display:grid;grid-template-columns:minmax(250px,360px) 1fr;gap:36px;align-items:center;margin:24px 0 40px}
.lecture-book img{width:100%;border:2px solid var(--seyes);border-radius:18px;box-shadow:var(--shadow)}
.lecture-book h2{color:var(--encre);font-size:2rem}.lecture-book ul{margin:12px 0 0 20px}
.syllable-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:22px}
.syllable-card{display:grid;grid-template-columns:68px 1fr;gap:12px;align-items:center;background:#fff;border:2px solid var(--seyes);border-radius:16px;padding:12px;transition:.16s}
.syllable-card:hover{transform:translateY(-2px);border-color:var(--encre);box-shadow:var(--shadow)}
.syllable-card img{width:68px;aspect-ratio:1;object-fit:contain;background:#f8fbfe;border-radius:12px}
.syllable-card b{display:block;color:var(--encre);font-family:"Baloo 2",cursive;font-size:1.12rem}.syllable-card span{font-size:.78rem;color:var(--gris)}
.lecture-detail{display:grid;grid-template-columns:minmax(270px,420px) 1fr;gap:42px;align-items:start;padding-top:26px}
.lecture-preview{border:2px solid var(--seyes);border-radius:20px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}.lecture-preview img{display:block;width:100%}
.lecture-detail h1{font-size:clamp(2rem,4vw,2.8rem);line-height:1.05;color:var(--encre)}
.lecture-word-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:20px 0}.lecture-word{margin:0;text-align:center;border:2px solid var(--seyes);border-radius:14px;background:#fff;padding:8px}.lecture-word img{width:100%;aspect-ratio:1;object-fit:contain}.lecture-word figcaption{font-weight:800;color:var(--encre);font-size:.85rem}
.sound-link{display:inline-flex;margin-top:8px;font-weight:800;text-decoration:underline;text-underline-offset:4px}
.tool-word-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:22px}.tool-word-card{border:2px solid var(--seyes);border-radius:18px;padding:18px;background:#fff}.tool-word-card img{width:145px;float:left;margin-right:18px;border:1px solid var(--seyes);border-radius:12px}.tool-word-card h2{color:var(--encre)}

.lt-app{--lt-card:#fff;max-width:980px;margin:28px auto;background:#f5fafe;border:2px solid var(--seyes);border-radius:26px;padding:24px;box-shadow:var(--shadow)}
.lt-app:fullscreen,.lt-app.is-expanded{max-width:none;width:100%;min-height:100vh;border-radius:0;display:grid;align-content:center;padding:clamp(20px,5vw,70px);background:#f5fafe}
.lt-mode-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.lt-mode{border:2px solid var(--seyes);background:#fff;color:var(--encre);border-radius:14px;padding:11px;font-weight:800;cursor:pointer}.lt-mode[aria-selected=true]{background:var(--encre);border-color:var(--encre);color:#fff}
.lt-stage{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.72fr);gap:24px;align-items:stretch;margin-top:20px}
.lt-columns{display:flex;justify-content:center;gap:14px}.lt-column{display:grid;grid-template-rows:auto 44px minmax(100px,1fr) 44px;gap:8px;min-width:128px;text-align:center}.lt-column-label{font-weight:800;color:var(--gris);font-size:.82rem}.lt-arrow{border:2px solid var(--seyes);background:#fff;color:var(--encre);border-radius:12px;font-size:1.35rem;cursor:pointer}.lt-arrow:hover{border-color:var(--encre)}
.lt-value{display:grid;place-items:center;border-radius:18px;background:#fff;border:3px solid var(--encre);color:var(--encre);font-family:"Baloo 2",cursive;font-size:clamp(2.5rem,7vw,4.5rem);line-height:1;padding:12px}
.lt-output{display:grid;place-items:center;align-content:center;text-align:center;border-radius:20px;background:#fff9e8;border:2px solid #f0d47a;padding:22px}.lt-output small{font-weight:800;color:var(--gris)}
.lt-result{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;margin:8px 0}.lt-result span{font-family:"Baloo 2",cursive;color:var(--rouge);font-size:clamp(2.4rem,6vw,4.3rem);font-weight:800}.lt-result b{color:var(--gris);font-size:1.4rem}.lt-result-label{font-weight:800;color:var(--encre);font-size:1.12rem}
.lt-badge{display:inline-block;margin-top:10px;padding:4px 10px;border-radius:999px;font-weight:800;font-size:.78rem}.lt-badge.is-real{background:#dff2e4;color:#266b37}.lt-badge.is-invented{background:#e8eef9;color:#465577}
.lt-actions{display:flex;justify-content:center;gap:9px;flex-wrap:wrap;margin-top:20px}.lt-actions button{border:0;border-radius:999px;padding:10px 17px;background:var(--encre);color:#fff;font-weight:800;cursor:pointer}.lt-actions button:nth-child(2){background:var(--rouge)}.lt-actions button:last-child{background:#fff;color:var(--encre);border:2px solid var(--encre)}
.lt-help{max-width:760px;margin:15px auto 0;text-align:center;color:var(--gris);font-size:.86rem}.lt-live{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

@media(max-width:920px){.lecture-path{grid-template-columns:1fr}.syllable-grid{grid-template-columns:repeat(2,1fr)}.lecture-detail,.lecture-book{grid-template-columns:1fr}.lecture-detail>div:last-child{order:-1}.lecture-hero-inner{grid-template-columns:1fr;text-align:center}.lecture-hero p{margin-inline:auto}.lecture-actions{justify-content:center}.lecture-hero img{max-width:360px}.lt-stage{grid-template-columns:1fr}}
@media(max-width:620px){.syllable-grid,.tool-word-grid{grid-template-columns:1fr}.lecture-word-grid{grid-template-columns:repeat(2,1fr)}.lt-app{padding:14px}.lt-mode-tabs{grid-template-columns:1fr}.lt-columns{gap:7px}.lt-column{min-width:0;flex:1}.lt-value{font-size:2.5rem}.lt-actions{display:grid}.tool-word-card img{float:none;width:120px;margin:0 auto 10px;display:block}}