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var(--border);border-radius:8px;background:#fff;cursor:pointer;font-size:.85rem;font-weight:600;text-align:left}.stage-card:hover:not(:disabled){background:#f8fafc}.stage-card:disabled{opacity:.5;cursor:not-allowed}.stage-card.done{border-color:#bbf7d0;background:#f0fdf4}.stage-ico{font-size:1.1rem}.stage-card .tag{margin-left:auto}.stage-actions{display:flex;justify-content:space-between;gap:10px;align-items:center;background:#fff;padding:12px 0 2px;margin-top:12px;border-top:1px solid var(--border)}.assistida-tag{color:var(--ok);font-weight:700;font-size:.9rem}.video-frame{position:relative;width:100%;padding-top:56.25%;border-radius:10px;overflow:hidden;background:#000}.video-frame iframe{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;border:0}.video-stage{margin-top:12px}.video-layout{display:grid;grid-template-columns:1fr;gap:16px}.video-layout.split{grid-template-columns:3fr 2fr;align-items:start}.video-col{min-width:0}.video-el{width:100%;max-height:60vh;border-radius:10px;background:#000;display:block}.video-wrap{position:relative;width:100%;line-height:0}.video-play-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;border:none;cursor:pointer;border-radius:10px;background:#00000047;transition:background .2s}.video-play-overlay:hover{background:#0006}.play-circle{width:76px;height:76px;border-radius:50%;background:#fffffff2;color:var(--primary);display:grid;place-items:center;font-size:1.9rem;padding-left:6px;box-shadow:0 6px 18px #00000059}.video-play-overlay:hover .play-circle{transform:scale(1.05)}.pdf-col{display:flex;flex-direction:column;border:1px solid var(--border);border-radius:10px;overflow:hidden}.pdf-col-head{display:flex;justify-content:space-between;align-items:center;padding:8px 10px;background:#f8fafc;border-bottom:1px solid var(--border);font-weight:600}.pdf-doc{overflow:auto;-webkit-overflow-scrolling:touch;background:#525659;position:relative}.pdf-doc-host{display:flex;flex-direction:column;align-items:center;gap:12px;padding:12px}.pdf-page{max-width:100%;height:auto;background:#fff;box-shadow:0 2px 10px #0006;border-radius:2px}.pdf-doc-status{color:#e2e8f0;text-align:center;padding:16px;margin:0}.pdf-doc-split{height:60vh}.pdf-doc-full{flex:1;min-height:0}.pdf-viewer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;display:flex;flex-direction:column;background:#fff}.pdf-viewer-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 14px;padding-top:max(10px,env(safe-area-inset-top));border-bottom:1px solid var(--border);background:#fff;flex-shrink:0}.pdf-viewer-title{font-weight:600}@media (max-width: 640px){.pdf-viewer-title{display:none}}@media (max-width: 820px){.video-layout.split{grid-template-columns:1fr}.pdf-doc-split{height:50vh}}.exercise-stage{margin-top:12px}.exercise-top{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px}.exercise-progress{height:6px;background:#e2e8f0;border-radius:4px;overflow:hidden;margin-bottom:16px}.exercise-progress>div{height:100%;background:var(--primary);transition:width .3s}.q-card{border:1px solid var(--border);border-radius:12px;padding:20px;display:flex;flex-direction:column;gap:12px;align-items:center;text-align:center}.q-title{font-weight:700}.q-frase-alvo{font-size:1.5rem;font-weight:800;color:#036}.q-translate{font-style:italic}.q-controls{display:flex;gap:10px;align-items:center;flex-wrap:wrap;justify-content:center}.q-img{max-width:220px;border-radius:8px}.btn.primary.gravando-btn{background:var(--danger);animation:pulseRec 1.1s ease-in-out infinite}@keyframes pulseRec{0%,to{box-shadow:0 0 #dc262680}50%{box-shadow:0 0 0 8px #dc262600}}.q-frase{font-size:1.15rem;display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:center}.q-frase input{width:auto;min-width:140px;display:inline-block}.q-alts{display:flex;flex-direction:column;gap:8px;width:100%;max-width:420px}.q-alts label{display:flex;align-items:center;gap:8px;padding:10px 12px;border:1px solid var(--border);border-radius:8px;cursor:pointer;font-weight:500;margin:0}.q-alts label.sel{border-color:var(--primary);background:#eff6ff}.q-alts input{width:auto}.q-assoc{display:flex;flex-direction:column;gap:10px;width:100%;max-width:560px;text-align:left}.assoc-row{display:flex;align-items:center;gap:10px}.assoc-prompt{flex:1;font-weight:500}.assoc-row select{width:auto;flex:1;min-width:140px}.assoc-ok{color:var(--ok)}.assoc-err{color:var(--danger);font-size:.85rem}.exercise-result{text-align:center;padding:24px;border-radius:12px;display:flex;flex-direction:column;align-items:center;gap:8px;border:2px solid var(--border)}.exercise-result.ok{border-color:#bbf7d0;background:#f0fdf4}.exercise-result.err{border-color:#fecaca;background:#fef2f2}.exercise-result h3{margin:4px 0}.result-emoji{font-size:3rem}.result-score{font-size:2.6rem;font-weight:800;color:var(--primary)}.result-actions{display:flex;gap:10px;margin-top:12px}.q-aviso-ios{background:#fffbeb;border:1px solid #fde68a;color:#92400e;border-radius:10px;padding:10px 12px;font-size:.85rem;line-height:1.4;margin:4px auto 8px;max-width:460px}.q-result{font-weight:700}.q-result.ok{color:var(--ok)}.q-result.err{color:var(--danger)}.q-actions{display:flex;gap:10px;margin-top:6px;flex-wrap:wrap;justify-content:center}@media (max-width: 640px){.topbar{padding:10px 14px;gap:8px}.topbar>div:first-child{display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px;min-width:0}.topbar .actions{gap:6px;flex-wrap:wrap;justify-content:flex-end}.topbar .actions .btn{padding:7px 10px;font-size:.8rem}.plano-pill{margin-left:0}.container{padding:14px}.dash-hero{padding:16px}.dash-hero-top h2{font-size:1.15rem}.dash-pct{font-size:1.4rem}.dash-toolbar{flex-direction:column;align-items:stretch;gap:10px}.dash-search{max-width:none}.level-filter{overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:2px}.level-filter button{flex-shrink:0}.modulo-title{font-size:.98rem}.lesson-row{padding:11px 12px;gap:10px}.lr-title{white-space:normal}.lr-tags{gap:6px;flex-wrap:wrap;justify-content:flex-end}.lr-tag.lock-date{white-space:normal}.modal{padding:14px}.player-head h3{font-size:1.05rem}.stage-menu{gap:8px;margin-top:12px;max-width:none}.stage-card{height:40px;padding:0 12px;font-size:.85rem}.stage-ico{font-size:1.1rem}.stage-actions{flex-wrap:wrap;gap:8px}.video-el{max-height:42vh}.pdf-doc-split{height:46vh}.exercise-top{flex-direction:column;align-items:flex-start;gap:2px}.q-card{padding:14px}.q-frase-alvo{font-size:1.15rem}.q-frase{font-size:1rem}.q-frase input{min-width:110px}.q-assoc{max-width:100%}.assoc-row{flex-wrap:wrap}.result-emoji{font-size:2.4rem}.result-score{font-size:2rem}.exercise-result{padding:18px 14px}}