/* NexoMath V42 · Lengua integral */
.v42-lang{display:grid;gap:18px;min-width:0}.v42-lang-road{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:14px 18px;border:1px solid #e0e5f1;border-radius:18px;background:#f8f9ff}.v42-lang-road div{display:grid;gap:3px}.v42-lang-road small{font-size:12px;font-weight:900;letter-spacing:.08em;color:#6169ba}.v42-lang-road b{font-size:clamp(19px,2vw,25px);color:#161a35}.v42-lang-road>span{font-weight:900;color:#5458d8;background:#eceeff;padding:8px 12px;border-radius:999px}
.v42-help-first{display:grid;grid-template-columns:1fr 1fr;gap:14px;order:-1}.v42-help-first>div{border-radius:18px;padding:16px;border:2px solid #e0e5ef;display:grid;gap:8px}.v42-help-first>div:first-child{background:#eef5ff;border-color:#8eb4f4}.v42-help-first>div:last-child{background:#fff5c8;border-color:#e4bd43}.v42-help-first b{font-size:18px;color:#1c285a}.v42-help-first span,.v42-help-first li{font-size:16px;line-height:1.5;color:#454d68}.v42-help-first ol{margin:0;padding-left:22px;display:grid;gap:5px}
.v42-foundation{display:flex;align-items:center;gap:16px;padding:18px;border:2px solid #dce6f1;border-radius:22px;background:linear-gradient(135deg,#eef9ff,#fff9df)}.v42-owl{font-size:54px}.v42-foundation small{font-weight:950;letter-spacing:.13em;color:#555be5}.v42-foundation h3{font-size:clamp(24px,3vw,34px);margin:3px 0}.v42-foundation p{margin:0;font-size:17px;color:#4d5569}.v42-big-example{min-height:110px;display:grid;place-items:center;text-align:center;padding:22px;border:2px solid #6c63f0;border-radius:24px;background:#f1f0ff;font-size:clamp(28px,5vw,54px);font-weight:1000;color:#171b45;letter-spacing:.04em}.v42-word-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(135px,1fr));gap:10px}.v42-word-cards button{min-height:62px;border:2px solid #dce2ee;background:#fff;border-radius:16px;font-size:18px;font-weight:900;color:#25294a}.v42-instruction{display:grid;gap:5px;padding:15px 17px;border-radius:17px;background:#eef1ff}.v42-instruction b{font-size:17px;color:#2d3995}.v42-instruction span{line-height:1.5;color:#4e566e}.v42-concept,.v42-reading-card,.v42-activity,.v42-speaking,.v42-task-intro{border:1px solid #dfe4ef;background:#fff;border-radius:22px;padding:20px}.v42-concept h3,.v42-activity h3,.v42-task-intro h3{margin:0 0 8px;font-size:clamp(22px,2.6vw,31px)}.v42-concept p,.v42-reading-card p,.v42-speaking p{font-size:17px;line-height:1.65;color:#343b50;white-space:pre-line}.v42-reading-card small{font-weight:950;letter-spacing:.1em;color:#6066d3}.v42-evidence-row,.v42-sentence-list{display:grid;gap:9px}.v42-evidence-row{grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}.v42-evidence-row button,.v42-sentence-list button{border:1px solid #dde3ef;background:#f8f9fd;border-radius:15px;padding:14px;text-align:left;display:grid;gap:5px;font-size:15px;color:#30384d}.v42-evidence-row b{color:#595cdf}.v42-sentence-list button.selected{border-color:#46a777;background:#eaf8f0}.v42-subtitle{margin:0;font-size:18px}.v42-options{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin-top:14px}.v42-options button{min-height:66px;border:2px solid #dce2ef;background:#fff;border-radius:18px;font-size:17px;font-weight:900;color:#242843;padding:12px}.v42-options button:hover{border-color:#5b5cf0}.v42-feedback{margin-top:13px;padding:12px 14px;border-radius:14px;background:#fff4e4;font-weight:850;color:#995a00}.v42-feedback.good{background:#eaf8f0;color:#087849}.v42-reading-kid{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:center;padding:22px;border:2px solid #dce4f2;border-radius:22px;background:#fff}.v42-reading-kid p{margin:0;font-size:clamp(26px,4vw,42px);font-weight:1000}.v42-reading-kid button{width:62px;height:62px;border-radius:50%;border:2px solid #6c63ef;background:#fff;font-size:25px}.v42-writing-plan{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}.v42-writing-plan button{border:1px solid #dfe4ef;border-radius:13px;background:#f7f8fd;padding:12px;font-weight:900}.v42-draft{width:100%;min-height:190px;border:2px solid #dce2ee;border-radius:18px;padding:16px;font:inherit;resize:vertical}.v42-write-footer{display:flex;justify-content:space-between;color:#616a7c;font-weight:800}.v42-checks{display:grid;gap:8px}.v42-checks label{padding:11px 13px;border:1px solid #e2e6ef;border-radius:12px}.v42-speak-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.v42-speak-steps span{display:grid;gap:5px;padding:13px;background:#f4f6ff;border-radius:15px}.v42-speak-steps b{display:grid;place-items:center;width:30px;height:30px;border-radius:10px;background:#5b5cf0;color:#fff}.v42-task-list{display:grid;gap:10px}.v42-task-list label{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:start;padding:15px;border:1px solid #dfe4ef;border-radius:16px;background:#fff}.v42-task-list label:has(input:checked){background:#eaf8f0;border-color:#65b78c}.v42-task-list input{width:20px;height:20px}.v42-task-list span{display:grid;gap:4px}.v42-task-list small{color:#72798b}.v42-finish{min-height:220px;display:grid;place-items:center;align-content:center;text-align:center;gap:8px;border-radius:24px;background:linear-gradient(135deg,#e8f8ef,#f1efff);font-size:40px}.v42-finish b{font-size:28px}.v42-finish span{font-size:17px;color:#566071}
/* Regla visual: la guía de Matemáticas debe estar antes del ejercicio. */
.s2-exercise-guide{margin-top:0!important;margin-bottom:16px!important}.v40-guide-first{order:-1}
@media(max-width:760px){.v42-help-first{grid-template-columns:1fr}.v42-lang-road{align-items:flex-start;flex-direction:column}.v42-writing-plan{grid-template-columns:1fr 1fr}.v42-speak-steps{grid-template-columns:1fr}.v42-options{grid-template-columns:1fr}.v42-reading-kid{grid-template-columns:1fr}.v42-reading-kid button{justify-self:start}.v42-evidence-row{grid-template-columns:1fr}}
.v42-match{display:grid;gap:12px;padding:17px;border:2px solid #dddff5;border-radius:20px;background:#fbfbff}.v42-match-head{display:grid;gap:4px}.v42-match-head b{font-size:19px;color:#292d68}.v42-match-head span{color:#5d6579}.v42-match-cols{display:grid;grid-template-columns:1fr 1fr;gap:14px}.v42-match-cols>div{display:grid;gap:8px}.v42-match-cols small{font-weight:1000;color:#555be5}.v42-match-cols button{min-height:54px;border:2px solid #dce2ee;background:#fff;border-radius:14px;font-size:17px;font-weight:900;color:#292d4c}.v42-match-cols button.selected{border-color:#5b5cf0;background:#efefff}.v42-match-cols button.done{border-color:#4aaa78;background:#e9f8f0;color:#087849}.v42-match-cols button.done::after{content:' ✓'}@media(max-width:620px){.v42-match-cols{grid-template-columns:1fr}}