/* NexoMath V66 · English escolar. Paleta de la plataforma. */
#enx66{--en:#274bb8;--en2:#5b5cf0;--ok:#16a66a;--no:#e5484d;--soft:#f6f7fc}
.enx-home{padding:22px}
.enx-home-top{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;flex-wrap:wrap}
.enx-home-top h3{margin:4px 0 6px;font-size:24px;letter-spacing:-.02em}
.enx-home-top p{margin:0;color:var(--muted);max-width:620px;line-height:1.55;font-size:14.5px}
.enx-seg{display:flex;background:#f1f3f8;border-radius:14px;padding:4px;gap:4px}
.enx-seg button{border:0;background:transparent;border-radius:11px;padding:9px 14px;font-weight:800;color:#555d70;font-size:14px}
.enx-seg button.on{background:#fff;color:var(--en);box-shadow:0 2px 8px rgba(30,40,90,.08)}
.enx-grades{display:flex;gap:7px;overflow-x:auto;scrollbar-width:none;padding:16px 1px 4px}
.enx-grades::-webkit-scrollbar{display:none}
.enx-grades button{flex:0 0 auto;border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 14px;font-weight:850;color:#5b6274;font-size:14px}
.enx-grades button.on{background:#17192d;color:#fff;border-color:#17192d}
.enx-gradeinfo{display:flex;gap:14px;align-items:center;margin:14px 0 16px;padding:14px 16px;border-radius:18px;background:linear-gradient(120deg,#eef2ff,#f7f4ff);border:1px solid #e1e5fb}
.enx-gradeinfo p{margin:3px 0 0;color:#4b5266;font-size:14px;line-height:1.5}
.enx-cefr{flex:0 0 auto;background:#17192d;color:#fff;border-radius:12px;padding:8px 11px;font-weight:900;font-size:13px}
.enx-units{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px}
.enx-unit{position:relative;text-align:left;border:1px solid var(--line);background:#fff;border-radius:20px;padding:16px 16px 14px;transition:transform .15s,box-shadow .2s;display:flex;flex-direction:column;gap:3px;min-height:168px}
.enx-unit:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(30,40,90,.08)}
.enx-unit .ico{font-size:30px;line-height:1}
.enx-unit small{font-size:11px;font-weight:900;letter-spacing:.12em;color:var(--en);margin-top:8px}
.enx-unit h4{margin:0;font-size:17px;line-height:1.3;color:var(--ink)}
.enx-unit p{margin:0 0 10px;color:var(--muted);font-size:13.5px;line-height:1.45}
.enx-unit-bar{margin-top:auto;height:6px;border-radius:9px;background:#edf0f6;overflow:hidden}
.enx-unit-bar i{display:block;height:100%;background:linear-gradient(90deg,#22c55e,#16a66a);border-radius:9px}
.enx-unit em{position:absolute;right:14px;top:14px;font-style:normal;font-size:12px;font-weight:800;color:#6b7280}
.enx-hwpick{margin:16px 0 12px}
.enx-hwpick label{display:grid;gap:6px;font-weight:800;font-size:13px;color:#4b5266;max-width:440px}
.enx-hwpick select{border:1px solid var(--line);border-radius:12px;padding:11px 12px;font:inherit;font-weight:700;background:#fff;color:var(--ink)}

/* ---------- Página de unidad ---------- */
.enx-unitpage{max-width:980px;margin:0 auto}
.enx-unit-head{display:flex;align-items:center;gap:14px;background:linear-gradient(125deg,#15172b 0%,#2b2e78 55%,#5b5cf0 100%);color:#fff;border-radius:26px;padding:20px 22px}
.enx-unit-head small{font-size:11.5px;letter-spacing:.12em;font-weight:850;opacity:.75}
.enx-unit-head h2{margin:4px 0 4px;font-size:clamp(23px,3.4vw,32px);letter-spacing:-.02em;line-height:1.15}
.enx-unit-head p{margin:0;opacity:.85;font-size:15px}
.enx-unit-head .t{flex:1;min-width:0}
.enx-back{flex:0 0 auto;width:42px;height:42px;border-radius:14px;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.12);color:#fff;font-size:20px;font-weight:900}
.enx-ring{--p:0;flex:0 0 auto;width:62px;height:62px;border-radius:50%;background:conic-gradient(#4ade80 calc(var(--p)*1%),rgba(255,255,255,.18) 0);display:grid;place-items:center;position:relative}
.enx-ring:before{content:"";position:absolute;inset:6px;border-radius:50%;background:#262a6b}
.enx-ring b{position:relative;font-size:14px}
.enx-goal{margin:12px 0;padding:12px 16px;border-radius:16px;background:#fffbea;border:1px solid #f4e3a3;font-size:14.5px;line-height:1.5;color:#4a3f12}
.enx-tabs{position:sticky;top:0;z-index:5;display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;padding:8px 2px;background:linear-gradient(var(--bg) 70%,transparent)}
.enx-tabs::-webkit-scrollbar{display:none}
.enx-tabs button{flex:0 0 auto;border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 14px;font-weight:800;font-size:14px;color:#4b5266}
.enx-tabs button.on{background:var(--p);border-color:var(--p);color:#fff}
.enx-panel{background:#fff;border:1px solid var(--line);border-radius:24px;padding:20px;box-shadow:var(--shadow);margin-top:6px}
.enx-ins{color:#4b5266;font-size:15px;line-height:1.55;margin:0 0 12px}
.enx-en,.enx-es{display:block;font-size:12.5px;color:#8a90a2;margin-top:2px;font-weight:500}
.enx-btn{border:0;border-radius:13px;padding:11px 16px;font-weight:850;background:var(--p);color:#fff;font-size:14.5px}
.enx-btn.ghost{background:#f1f3f8;color:#343947}
.enx-btn.sm{padding:8px 12px;font-size:13px}
.enx-btn:disabled{opacity:.5}
.enx-link{border:0;background:none;color:var(--p);font-weight:800;padding:6px 0;font-size:14px}
.enx-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px;align-items:center}
.enx-audio{border:1px solid #dfe3f3;background:#f4f5ff;color:#3b3f8f;border-radius:10px;padding:4px 9px;font-size:15px;line-height:1.2;flex:0 0 auto}
.enx-audio.on{background:#e3e6ff}
.enx-fb{min-height:22px;margin:10px 0 0;font-weight:700;color:#4b5266;font-size:14.5px}

/* Aprende */
.enx-learn section{margin-bottom:22px}
.enx-learn h4{font-size:18px;margin:0 0 6px;display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.enx-learn h4 small{font-size:12.5px;color:var(--muted);font-weight:600}
.enx-vocab{display:grid;grid-template-columns:repeat(auto-fill,minmax(128px,1fr));gap:9px}
.enx-v{border:1px solid var(--line);background:#fff;border-radius:16px;padding:12px 8px;display:flex;flex-direction:column;align-items:center;gap:3px;text-align:center;transition:transform .15s}
.enx-v:active{transform:scale(.97)}
.enx-v.seen{border-color:#c9cef8;background:#fafaff}
.enx-v .e{font-size:30px;line-height:1.1}
.enx-v b{font-size:15.5px;color:#25306e}
.enx-v small{font-size:12.5px;color:var(--muted)}
.enx-form{display:grid;gap:6px;margin:8px 0 10px}
.enx-form div{padding:10px 14px;border-radius:12px;background:#f4f5ff;border:1px dashed #cdd2ff;font-weight:800;color:#2d3170;font-size:15.5px}
.enx-rules{margin:0 0 12px;padding-left:20px;line-height:1.65;color:#3c4353;font-size:15px}
.enx-rules li{margin:3px 0}
.enx-examples{display:grid;gap:7px}
.enx-examples>div{display:flex;gap:10px;align-items:flex-start;padding:9px 12px;border-radius:13px;background:var(--soft,#f6f7fc);border:1px solid #edf0f6}
.enx-examples span{display:flex;flex-direction:column}
.enx-examples b{font-size:15.5px;color:#1f2a5a}
.enx-examples small{color:var(--muted);font-size:13px}
.enx-sound{padding:14px 16px;border-radius:16px;background:#f0fbf5;border:1px solid #c9ecd8}
.enx-sound p{margin:0;line-height:1.6;color:#245c3f}
.enx-next{text-align:right}

/* Juegos */
.enx-games{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:11px}
.enx-game{position:relative;overflow:hidden;text-align:left;border:1px solid var(--line);border-radius:20px;padding:16px;background:linear-gradient(160deg,#fbfbff,#f3f2fd);display:flex;flex-direction:column;gap:4px;min-height:160px}
.enx-game:after{content:"";position:absolute;right:-32px;top:-32px;width:92px;height:92px;border-radius:50%;background:#ecebfd}
.enx-game .ico{font-size:30px;position:relative;z-index:1}
.enx-game h5{margin:6px 0 0;font-size:16.5px;color:var(--ink)}
.enx-game p{margin:0 0 10px;font-size:13.5px;color:var(--muted);line-height:1.45}
.enx-game .play{margin-top:auto;align-self:flex-start;background:#eceaff;color:var(--p);font-weight:900;border-radius:12px;padding:7px 14px;font-size:14px}
.enx-game.done .play{background:#e5f7ed;color:#0e7a49}
.enx-game.sel{outline:2px solid var(--p);outline-offset:1px}
.enx-gamebox{margin-top:16px;border:1px solid var(--line);border-radius:22px;padding:18px;background:#fff;scroll-margin-top:70px}
.enx-gamehead{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.enx-gamehead h4{margin:0;font-size:20px}
.enx-x{border:0;background:#f1f3f8;border-radius:10px;width:36px;height:36px;font-weight:900}
.enx-bar{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:12.5px;color:var(--muted);font-weight:700}
.enx-bar i{flex:1;height:7px;border-radius:9px;background:#edf0f6;overflow:hidden}
.enx-bar b{display:block;height:100%;width:0;background:var(--p);border-radius:9px;transition:width .35s}
.enx-bar em{font-style:normal}
.enx-result{display:flex;gap:14px;align-items:center;margin-top:16px;padding:14px 16px;border-radius:18px;flex-wrap:wrap}
.enx-result.good{background:#eaf9f1;border:1px solid #bfe9d2}
.enx-result.retry{background:#fff6ec;border:1px solid #f6d9b3}
.enx-result-ico{font-size:34px}
.enx-result p{margin:2px 0 0;color:#4b5266}
.enx-result>div{flex:1;min-width:180px}

/* Memory */
.enx-memory{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.enx-card{position:relative;height:96px;border-radius:18px;border:0;padding:0;background:transparent;perspective:600px}
.enx-card span{position:absolute;inset:0;border-radius:18px;display:grid;place-items:center;backface-visibility:hidden;transition:transform .35s;padding:6px;text-align:center;font-weight:800;line-height:1.25}
.enx-card .back{background:linear-gradient(135deg,#6366f1,#8b7cf6);color:#fff;font-size:30px;font-weight:900;box-shadow:inset 0 0 0 3px rgba(255,255,255,.35)}
.enx-card .face{background:#fff;border:2px solid #dfe3f3;transform:rotateY(180deg);color:#24306a;font-size:15.5px;overflow-wrap:anywhere}
.enx-card .face.emo{font-size:38px}
.enx-card.open .back{transform:rotateY(180deg)}
.enx-card.open .face{transform:rotateY(360deg)}
.enx-card.match .face{border-color:#86d3a9;background:#eef9f3;color:#0f6b40}

/* Etapas comunes */
.enx-stage{min-height:120px}
.enx-bigaudio{display:flex;justify-content:center;gap:12px;margin:6px 0 14px}
.enx-play{border:0;background:linear-gradient(135deg,#5b5cf0,#7c3aed);color:#fff;border-radius:22px;width:96px;height:86px;font-size:30px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;box-shadow:0 10px 24px rgba(91,92,240,.28)}
.enx-play small{font-size:12px;font-weight:800}
.enx-play.slow{background:#eef0ff;color:#3b3f8f;box-shadow:none}
.enx-opts{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:9px}
.enx-opts.col{grid-template-columns:1fr}
.enx-opts button{border:2px solid #e2e5f0;background:#fff;border-radius:15px;padding:13px 14px;font-weight:750;font-size:16px;color:#252b45;text-align:left;line-height:1.45}
.enx-opts.emo{grid-template-columns:repeat(auto-fit,minmax(90px,1fr))}
.enx-opts.emo button{text-align:center}
.enx-opts .e,.enx-clue .e{font-size:44px;line-height:1}
.enx-opts button.ok,.enx-chips button.ok{border-color:#3fbf7f;background:#eaf9f1}
.enx-opts button.no{border-color:#f0a3a6;background:#fff3f3;opacity:.75}
.enx-clue{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;margin-bottom:12px;font-size:18px}
.enx-slots{display:flex;justify-content:center;gap:7px;flex-wrap:wrap;margin:6px 0 14px}
.enx-slots i{width:40px;height:48px;border-radius:12px;border:2px dashed #cdd2ea;display:grid;place-items:center;font-style:normal;font-size:24px;font-weight:900;color:#2b2f6b;text-transform:lowercase}
.enx-slots i.on{border-style:solid;border-color:#a9b0ff;background:#f5f6ff}
.enx-slots i.ok{border-color:#3fbf7f;background:#eaf9f1}
.enx-slots i.no{border-color:#e5484d;background:#fff1f1}
.enx-tiles{display:flex;justify-content:center;gap:8px;flex-wrap:wrap}
.enx-tiles button{min-width:46px;height:50px;border-radius:14px;border:2px solid #dfe3f3;background:#fff;font-size:22px;font-weight:900;color:#2b2f6b;box-shadow:0 3px 0 #dfe3f3}
.enx-tiles button:disabled{opacity:.25;box-shadow:none}
.enx-tiles.words button{font-size:16.5px;font-weight:800;height:auto;padding:10px 14px}
.enx-tiles.sm button{font-size:14.5px;padding:7px 10px;min-width:0}
.enx-build-line{min-height:58px;border:2px dashed #d5d9ec;border-radius:16px;padding:8px;display:flex;flex-wrap:wrap;gap:7px;align-items:center;margin:12px 0}
.enx-build-line .ph{color:#a2a8bb;font-size:14px;padding-left:6px}
.enx-build-line button{border:0;background:#eceaff;color:#2d2a7a;border-radius:12px;padding:9px 13px;font-weight:800;font-size:16px}
.enx-build-line.ok{border-color:#3fbf7f;background:#f0fbf5}
.enx-build-line.no{border-color:#e5484d;animation:enxShake .35s}
.enx-build-line.sm{min-height:44px;font-weight:700;padding:8px 12px;cursor:pointer}
.enx-builder-top{display:flex;justify-content:center}
.enx-sentence{font-size:19px;line-height:1.6;font-weight:650;color:#1f2540;padding:14px 16px;border-radius:16px;background:#f7f8fd;border:1px solid #edf0f6;margin-bottom:12px}
.enx-gap{display:inline-block;min-width:70px;border-bottom:3px solid var(--p);color:transparent}
.enx-sentence mark{background:#dff6e9;color:#0e6b40;border-radius:6px;padding:0 4px}
.enx-type{display:flex;gap:8px}
.enx-type input{flex:1;min-width:0;border:2px solid #dfe3f3;border-radius:13px;padding:11px 13px;font:inherit;font-size:16.5px}
.enx-type input.ok{border-color:#3fbf7f}.enx-type input.no{border-color:#e5484d;animation:enxShake .35s}
.enx-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.enx-chips button{border:2px solid #dfe3f3;background:#fff;border-radius:999px;padding:8px 14px;font-weight:800;font-size:15px;color:#2b2f6b}
.enx-chips button.sel{border-color:var(--p);background:#eef0ff}
.enx-buckets{display:grid;grid-template-columns:repeat(var(--n),minmax(0,1fr));gap:10px}
.enx-bucket{border:2px dashed #cdd2ea;border-radius:18px;padding:10px;min-height:120px;background:#fafbff;cursor:pointer;transition:background .2s}
.enx-bucket h5{margin:0 0 8px;font-size:15px;text-align:center;color:#2d3170}
.enx-bucket div{display:flex;flex-wrap:wrap;gap:6px}
.enx-bucket span{background:#eaf9f1;border:1px solid #bfe9d2;color:#0f6b40;border-radius:999px;padding:4px 10px;font-weight:700;font-size:13.5px}
.enx-bucket.flash{background:#eaf9f1}
.enx-bucket.shake{animation:enxShake .35s;border-color:#e5484d}
@keyframes enxShake{25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}
textarea{font:inherit}
.enx-stage textarea,.enx-write{width:100%;border:2px solid #dfe3f3;border-radius:14px;padding:12px;font-size:16px;line-height:1.55;resize:vertical}
.enx-diff{margin-top:10px;font-size:17px;line-height:1.8}
.enx-diff span{padding:2px 4px;border-radius:6px}
.enx-diff .ok{background:#e5f7ed;color:#0e6b40}.enx-diff .no{background:#ffe9e9;color:#b42328}

/* Sopa de letras */
.enx-ws-wrap{display:grid;grid-template-columns:auto minmax(150px,1fr);gap:16px;align-items:start}
.enx-ws{display:grid;grid-template-columns:repeat(var(--n),minmax(0,1fr));gap:3px;width:min(100%,calc(var(--n)*40px));user-select:none}
.enx-ws button{aspect-ratio:1;border:0;border-radius:8px;background:#f3f4fa;font-weight:900;font-size:clamp(12px,2.6vw,17px);color:#2b2f55;padding:0}
.enx-ws button.sel{background:#ffe08a}
.enx-ws button.hit{background:#c7f0d8;color:#0e6b40}
.enx-ws-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px;align-content:flex-start}
.enx-ws-list li{border:1px solid var(--line);border-radius:12px;padding:6px 10px;font-size:14px;display:flex;gap:6px;align-items:center;background:#fff}
.enx-ws-list li span{font-size:20px}
.enx-ws-list li.done{background:#eaf9f1;border-color:#bfe9d2;text-decoration:line-through;color:#0e6b40}

/* Crucigrama */
.enx-cw-wrap{display:grid;grid-template-columns:auto minmax(200px,1fr);gap:18px;align-items:start}
.enx-cw{display:grid;grid-template-columns:repeat(var(--w),34px);grid-auto-rows:34px;gap:2px;overflow-x:auto;max-width:100%}
.enx-cw .cell{position:relative;background:#fff;border:2px solid #bfc5df;border-radius:6px;display:block}
.enx-cw .cell sup{position:absolute;left:2px;top:0;font-size:9px;font-weight:800;color:#5b5cf0;line-height:1.2}
.enx-cw input{width:100%;height:100%;border:0;background:transparent;text-align:center;font-weight:900;font-size:17px;text-transform:uppercase;color:#1f2540;padding:0;border-radius:4px}
.enx-cw input:focus{outline:2px solid var(--p);background:#f4f5ff}
.enx-cw .cell.ok{border-color:#3fbf7f;background:#eefaf3}.enx-cw .cell.no{border-color:#e5484d;background:#fff1f1}.enx-cw .cell.hinted{background:#fff8dc}
.enx-cw-clues h5{margin:0 0 6px;font-size:15px}
.enx-cw-clues ol{margin:0 0 12px;padding-left:24px;line-height:1.7;font-size:14.5px}
.enx-cw-clues .e{font-size:22px;vertical-align:middle}

/* Pintar por números */
.enx-paint{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(170px,1fr);gap:16px;align-items:start}
.enx-paint svg{width:100%;height:auto;border-radius:18px;border:1px solid var(--line);background:#fff}
.enx-paint .reg{cursor:pointer}
.enx-paint .reg text{font:800 13px Inter,system-ui,sans-serif;fill:#3b3f5c;pointer-events:none}
.enx-paint .reg.done text{display:none}
.enx-key{display:grid;gap:6px}
.enx-key>div{display:flex;align-items:center;gap:8px;font-size:15px;padding:6px 10px;border-radius:12px;background:#f7f8fd}
.enx-key b{width:24px;height:24px;border-radius:50%;background:#17192d;color:#fff;display:grid;place-items:center;font-size:13px}
.enx-key span{color:#6b7280;font-weight:700;min-width:44px}
.sw-word{border:0;background:#fff;border-radius:8px;padding:3px 8px;font-weight:900;color:#2d3170;border:1px solid #e0e3f2}
.enx-palette{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px}
.enx-palette button{display:flex;align-items:center;gap:6px;border:2px solid #e2e5f0;background:#fff;border-radius:999px;padding:6px 12px 6px 6px;font-weight:800;font-size:14px;color:#2b2f55}
.enx-palette i{width:22px;height:22px;border-radius:50%;background:var(--c);border:1px solid rgba(0,0,0,.15)}
.enx-palette button.sel{border-color:#17192d;box-shadow:0 0 0 2px #17192d inset}

/* Habilidades */
.enx-skill-head h4{margin:0 0 6px;font-size:20px}
.enx-player{display:flex;gap:9px;align-items:center;flex-wrap:wrap;margin-bottom:10px}
.enx-wave{display:inline-flex;gap:3px;align-items:end;height:22px}
.enx-wave i{width:4px;border-radius:3px;background:#c9cdf8;height:40%}
.enx-wave i:nth-child(2){height:80%}.enx-wave i:nth-child(3){height:55%}.enx-wave i:nth-child(4){height:100%}
.enx-transcript{margin:8px 0 14px;border:1px solid var(--line);border-radius:14px;padding:10px 14px;background:#fbfbfe}
.enx-transcript summary{font-weight:800;cursor:pointer}
.enx-transcript p{margin:7px 0;line-height:1.6}
.enx-text{position:relative;padding:18px 20px;border-radius:18px;background:#fffdf6;border:1px solid #f1e6c4;margin-bottom:16px;font-size:16.5px;line-height:1.8;color:#2a2f40}
.enx-text p{margin:0 0 10px}
.enx-text>.enx-audio{float:right;margin:0 0 6px 10px}
.enx-q{font-size:16.5px;font-weight:700;margin-bottom:10px;line-height:1.5}
.enx-speak{display:grid;gap:9px}
.enx-say{display:grid;grid-template-columns:1fr auto;gap:6px 10px;align-items:center;padding:12px 14px;border:1px solid var(--line);border-radius:16px;background:#fff}
.enx-say .t{font-weight:800;font-size:16.5px;color:#1f2a5a}
.enx-say .t small{display:block;font-weight:500;color:var(--muted);font-size:13px}
.enx-say .a{display:flex;gap:7px}
.enx-say .r{grid-column:1/-1;margin:0;font-size:14px;color:#4b5266}
.enx-say.ok{border-color:#9fdcbc;background:#f2fbf6}
.enx-mic{border:0;background:#fde8ec;border-radius:12px;width:42px;height:36px;font-size:18px}
.enx-mic.on{background:#e5484d;animation:enxPulse 1s infinite}
@keyframes enxPulse{50%{box-shadow:0 0 0 8px rgba(229,72,77,.15)}}
.enx-open{margin-top:16px;padding:14px 16px;border-radius:16px;background:#f7f8fd}
.enx-open h5{margin:0 0 8px;font-size:15.5px}
.enx-oq{padding:8px 0;border-bottom:1px solid #eceff6;font-weight:700;display:flex;justify-content:space-between;gap:8px;align-items:center}
.enx-frame{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}
.enx-frame span{background:#eef0ff;color:#2d3170;border-radius:10px;padding:5px 10px;font-weight:700;font-size:14px}
.enx-checks{list-style:none;padding:0;margin:10px 0;display:grid;gap:5px}
.enx-checks li{padding:7px 10px 7px 34px;border-radius:11px;background:#f6f7fb;position:relative;font-size:14px;color:#4b5266}
.enx-checks li:before{content:"○";position:absolute;left:12px;top:6px;font-weight:900;color:#aab0c4}
.enx-checks li.ok{background:#eaf9f1;color:#0e6b40}.enx-checks li.ok:before{content:"✓";color:#16a66a}
.enx-checks b{margin-left:4px}
.enx-model{border:1px solid var(--line);border-radius:12px;padding:10px 14px}
.enx-model summary{font-weight:800;cursor:pointer}
.enx-model p{line-height:1.65;margin:8px 0 0}

/* Tarea */
.enx-hw-head{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:12px}
.enx-hw-head small{color:var(--en);font-weight:900;letter-spacing:.08em}
.enx-hw-head h4{margin:2px 0 3px;font-size:19px}
.enx-hw-head p{margin:0;color:var(--muted);font-size:14px}
.enx-hw-score{flex:0 0 auto;font-size:15px;font-weight:800;background:#f1f3f8;border-radius:14px;padding:10px 14px}
.enx-hw-score b{font-size:22px}
.enx-hw-score.done{background:#eaf9f1;color:#0e6b40}
.enx-hw{margin:0;padding-left:24px;display:grid;gap:10px}
.enx-hw>li{padding:12px 14px;border:1px solid var(--line);border-radius:16px;background:#fff}
.enx-hw>li::marker{font-weight:900;color:var(--p)}
.enx-hw>li.done{background:#f5fbf8;border-color:#cdebdc}
.enx-hw .q{font-weight:700;margin-bottom:8px;line-height:1.5}
.enx-hw .fb{margin:6px 0 0;font-size:14px;font-weight:700;color:#0e6b40}
.enx-hw .enx-opts button{padding:10px 12px;font-size:15px}
.enx-nb{margin-top:18px;padding:16px 18px;border-radius:18px;background:#fffbea;border:1px solid #f4e3a3}
.enx-nb h4{margin:0 0 8px}
.enx-nb ol{margin:0;padding-left:22px}
.enx-nb li{margin:8px 0}
.enx-nb p{margin:2px 0 0;line-height:1.55;color:#4a4325}

/* Niños: más grande y más amable */
.enx-unitpage.kids .enx-ins{font-size:16.5px}
.enx-unitpage.kids .enx-v b{font-size:17px}
.enx-unitpage.kids .enx-v .e{font-size:38px}
.enx-unitpage.kids .enx-tabs button{font-size:15px}

@media(max-width:760px){
 .enx-home{padding:16px}
 .enx-units{grid-template-columns:1fr 1fr;gap:9px}
 .enx-unit{min-height:150px;padding:13px}
 .enx-unit h4{font-size:15.5px}.enx-unit p{font-size:12.5px}
 .enx-unit-head{padding:16px;border-radius:20px;gap:10px}
 .enx-ring{width:52px;height:52px}
 .enx-panel{padding:14px;border-radius:20px}
 .enx-tabs button span{display:inline}
 .enx-vocab{grid-template-columns:repeat(auto-fill,minmax(102px,1fr))}
 .enx-games{grid-template-columns:1fr 1fr;gap:9px}
 .enx-game{min-height:150px;padding:13px}.enx-game h5{font-size:15px}.enx-game p{font-size:12.5px}
 .enx-gamebox{padding:14px}
 .enx-memory{grid-template-columns:repeat(4,minmax(0,1fr));gap:7px}
 .enx-card{height:78px}.enx-card .face{font-size:13px}.enx-card .face.emo{font-size:30px}
 .enx-ws-wrap,.enx-cw-wrap,.enx-paint{grid-template-columns:1fr}
 .enx-ws{width:100%}
 .enx-cw{grid-template-columns:repeat(var(--w),minmax(22px,30px));grid-auto-rows:minmax(22px,30px)}
 .enx-cw input{font-size:14px}
 .enx-buckets{grid-template-columns:1fr}
 .enx-bucket{min-height:70px}
 .enx-sentence{font-size:17px}
 .enx-slots i{width:34px;height:42px;font-size:20px}
 .enx-tiles button{min-width:42px;height:46px;font-size:20px}
 .enx-hw{padding-left:20px}
 .enx-opts{grid-template-columns:1fr 1fr}
 .enx-opts.col{grid-template-columns:1fr}
 .enx-hw-head{flex-direction:column;align-items:flex-start}
}
@media(max-width:420px){.enx-memory{grid-template-columns:repeat(3,minmax(0,1fr))}.enx-units,.enx-games{grid-template-columns:1fr 1fr}}

/* ================= V67 · English ================= */
.enx-en-main{display:block}
.enx-ins .enx-es,.enx-hw .enx-es,.enx-nb .enx-es{display:block;font-size:12.5px;color:#8a90a2;margin-top:3px;font-weight:500;font-style:italic}
.enx-pic{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;line-height:1.1;width:100%}
.enx-pic .e{font-size:42px;line-height:1}
.enx-pic small{display:block;font-size:13px;font-weight:800;color:#4b5266;line-height:1.2;text-align:center;max-width:100%;overflow-wrap:anywhere}
.enx-pic.word b{font-size:17px;color:#25306e;padding:10px 4px;line-height:1.25;text-align:center}
.enx-sw{display:inline-block;width:44px;height:44px;border-radius:50%;background:var(--c);border:2px solid rgba(0,0,0,.14);box-shadow:inset 0 -4px 0 rgba(0,0,0,.08)}
.enx-num{display:inline-grid;place-items:center;min-width:52px;height:44px;padding:0 8px;border-radius:12px;background:linear-gradient(180deg,#5b8def,#3f6fd6);color:#fff;font:900 26px/1 Inter,system-ui,sans-serif;letter-spacing:.5px;box-shadow:inset 0 -3px 0 rgba(0,0,0,.18)}
.enx-v .enx-sw,.enx-v .enx-num{margin-bottom:2px}
.enx-opts.emo button{padding:12px 8px;min-height:96px}
.enx-card .face.emo{font-size:15px}
.enx-card .face.emo .enx-pic .e{font-size:34px}
.enx-card .face.emo .enx-pic small{font-size:12px}
.enx-card .face.emo .enx-sw{width:34px;height:34px}
.enx-clue{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.enx-clue .enx-sw,.enx-clue .enx-num{flex:0 0 auto}
.enx-cw-clues .enx-pic{display:inline-flex;flex-direction:row;gap:6px;width:auto;vertical-align:middle}
.enx-cw-clues .enx-pic .e{font-size:24px}.enx-cw-clues .enx-pic .enx-sw{width:22px;height:22px}.enx-cw-clues .enx-pic .enx-num{min-width:30px;height:24px;font-size:15px}
.enx-hw .lead{font-size:12.5px;font-weight:900;letter-spacing:.03em;color:#5b5cf0;text-transform:uppercase;margin-bottom:3px}
.enx-hw .lead .enx-es{text-transform:none;letter-spacing:0;display:inline;margin-left:6px}
.enx-hw .q .enx-es{display:block}
.enx-audio.sm{font-size:14px;padding:3px 8px}
/* Sopa de letras multicolor */
.enx-ws button{transition:background .25s,transform .12s}
.enx-ws button.sel{background:#ffe08a;transform:scale(1.06);box-shadow:0 0 0 2px #f2b705 inset}
.enx-ws button.drag{background:#fff1b8;box-shadow:0 0 0 2px #f2b705 inset}
.enx-ws button.hit{color:#13213f;box-shadow:inset 0 -2px 0 rgba(0,0,0,.1)}
.enx-ws.complete button:not(.hit){opacity:.55}
.enx-ws-list li{flex-direction:column;align-items:flex-start;gap:0;line-height:1.2;padding:6px 11px}
.enx-ws-list li b{font-size:15px}
.enx-ws-list li small{font-size:11.5px;color:#8a90a2}
.enx-ws-list li .e{font-size:20px}.enx-ws-list li .enx-sw{width:18px;height:18px}.enx-ws-list li .enx-num{min-width:26px;height:20px;font-size:13px}
.enx-ws-list li.done{background:color-mix(in srgb,var(--wc,#51cf66) 30%,#fff);border-color:var(--wc,#51cf66);text-decoration:none;color:#13213f;box-shadow:inset 4px 0 0 var(--wc,#51cf66)}
.enx-ws-list li.done b{text-decoration:line-through;text-decoration-thickness:2px}
.enx-ws-count{margin-top:6px;font-weight:800;color:#4b5266}
/* Pinta por números */
.enx-paint .lbl{cursor:pointer}
.enx-paint .lbl text{font:900 12px Inter,system-ui,sans-serif;fill:#22263f;pointer-events:none}
.enx-paint .lbl.done{opacity:0;pointer-events:none;transition:opacity .3s}
.enx-paint .reg.blink>*:first-child,.enx-paint .lbl.blink circle{animation:enxBlink .5s ease-in-out 5}
@keyframes enxBlink{50%{fill:#ffe066;stroke:#e03131;stroke-width:4}}
.enx-key>div.done{background:#eaf9f1;text-decoration:line-through;opacity:.75}
.enx-left{font-weight:800;color:#4b5266}
.enx-paint.complete svg{box-shadow:0 0 0 4px #51cf66}
/* Diálogos: reparto de voces */
.enx-cast{display:flex;flex-wrap:wrap;gap:7px;margin:10px 0 4px}
.enx-castchip{display:flex;flex-direction:column;border-radius:12px;padding:6px 11px;border:1px solid;line-height:1.2}
.enx-castchip.f{background:#fff0f6;border-color:#fcc2d7;color:#a61e4d}
.enx-castchip.m{background:#e7f5ff;border-color:#a5d8ff;color:#1864ab}
.enx-castchip small{font-size:11.5px;opacity:.85}
.enx-voices{margin:6px 0 10px}.enx-voices summary{cursor:pointer;font-weight:800;color:#4b5266;font-size:14px}
.enx-transcript p.now{background:#fff9db;border-radius:10px;box-shadow:inset 3px 0 0 #fab005}
.enx-audio.speaking,.enx-btn.speaking{box-shadow:0 0 0 3px #b2f2bb}
.nv67-panel{border:1px solid #e3e6f2;border-radius:14px;padding:12px;background:#fafbff;display:grid;gap:8px;font-size:14px}
.nv67-panel p{margin:0}.nv67-panel label{display:grid;gap:4px;font-weight:800;color:#4b5266}
.nv67-panel select{border:1px solid #d7dbea;border-radius:10px;padding:8px;font:inherit;background:#fff;max-width:100%}
.nv67-row{display:flex;gap:8px;flex-wrap:wrap}.nv67-row button{border:1px solid #d7dbea;border-radius:10px;background:#fff;padding:8px 12px;font-weight:800;cursor:pointer}
.nv67-tip{font-size:12.5px;color:#6b7280}
@media(max-width:620px){.enx-ws-wrap{grid-template-columns:1fr}.enx-paint{grid-template-columns:1fr}.enx-opts.emo{grid-template-columns:repeat(auto-fit,minmax(88px,1fr))}}
/* Grammar Lab V67 */
.enx-gchart{display:grid;gap:7px;margin:8px 0 12px}
.enx-gchart>div{display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:8px;background:linear-gradient(90deg,#eef2ff,#fff);border:1px solid #dfe4fb;border-radius:13px;padding:8px 10px}
.enx-gchart>div>span{font-size:20px;text-align:center}
.enx-gchart b{font-size:15px;color:#25306e;line-height:1.35}
.enx-watch{margin-top:12px;border:1px solid #ffd8a8;background:#fff9f0;border-radius:15px;padding:10px 12px}
.enx-watch h5{margin:0 0 8px;font-size:15px;color:#c2410c}.enx-watch h5 small{font-weight:600;color:#9a6b3f;margin-left:4px}
.enx-wrow{display:grid;gap:2px;padding:7px 0;border-top:1px dashed #fcd9b0}
.enx-wrow:first-of-type{border-top:0}
.enx-wrow .bad{color:#c92a2a;text-decoration:line-through;text-decoration-color:rgba(201,42,42,.5)}
.enx-wrow .good{color:#2b8a3e;font-weight:800}
.enx-wrow small{color:#7c6a55}
.enx-gr-mini{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0 12px}
.enx-gr-mini span{font-size:12.5px;background:#f1f3ff;border:1px solid #dfe4fb;border-radius:10px;padding:5px 9px;color:#33407a}
.enx-fb small.enx-es{display:block;font-size:12.5px;color:#7c6a55;font-style:italic;margin-top:3px}