:root{--bg-main: #f8fafc;--bg-card: #ffffff;--bg-card-subtle: #f1f5f9;--text-main: #0f172a;--text-muted: #64748b;--border-color: #e2e8f0;--brand-blue: #2563eb;--brand-blue-hover: #1d4ed8;--brand-blue-light: #eff6ff;--brand-green: #10b981;--brand-green-hover: #059669;--brand-green-light: #ecfdf5;--brand-purple: #8b5cf6;--brand-purple-light: #f5f3ff;--brand-orange: #f97316;--brand-orange-hover: #ea580c;--brand-orange-light: #fff7ed;--brand-red: #ef4444;--brand-red-light: #fef2f2;--accent-yellow: #f59e0b;--btn-shadow-blue: 0 4px 0 #1e40af;--btn-shadow-orange: 0 4px 0 #c2410c;--btn-shadow-green: 0 4px 0 #047857;--btn-shadow-purple: 0 4px 0 #6d28d9;--shadow-sm: 0 2px 4px rgba(15, 23, 42, .05);--shadow-md: 0 10px 25px -5px rgba(15, 23, 42, .08), 0 8px 10px -6px rgba(15, 23, 42, .04);--shadow-lg: 0 20px 30px -10px rgba(15, 23, 42, .12);--font-heading: "Outfit", sans-serif;--font-body: "Plus Jakarta Sans", sans-serif;--radius-sm: 8px;--radius-md: 16px;--radius-lg: 24px;--radius-full: 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#fca5a5}.grammar-label-badge.question{background-color:#f3e8ff;color:#6b21a8;border:1px solid #d8b4fe}.grammar-label-badge.generic{background-color:#e0f2fe;color:#0369a1;border:1px solid #7dd3fc}.formula-pill{background-color:#2563eb24;color:var(--brand-blue);font-weight:800;padding:.1rem .45rem;border-radius:var(--radius-sm);font-family:var(--font-heading)}.formula-op{color:var(--brand-orange);font-weight:900;margin:0 .1rem}.slide-examples-box{background-color:var(--bg-card-subtle);border-left:4px solid var(--brand-orange);border-radius:0 var(--radius-md) var(--radius-md) 0;padding:.7rem .9rem;margin-bottom:.6rem}.summary-card .summary-preview{font-size:clamp(.88rem,1vw,1rem);font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--text-main)}.mistakes-card{background-color:#fff1f2;border:2px solid var(--brand-red);border-radius:var(--radius-md);padding:.6rem .9rem;margin-top:.4rem}.mistakes-title{font-size:.8rem;font-weight:900;color:var(--brand-red);text-transform:uppercase;margin-bottom:.25rem;display:flex;justify-content:space-between;align-items:center;gap:.4rem}.mistakes-preview{color:#9f1239!important;font-weight:700!important}[data-projector=true] .mistakes-card{background-color:#3f1d24;border-color:#f87171}[data-projector=true] .mistakes-preview{color:#fecaca!important}.example-title{font-size:.85rem;font-weight:800;color:var(--brand-orange);text-transform:uppercase;margin-bottom:.4rem;display:flex;align-items:center;justify-content:space-between;gap:.3rem}.example-item{font-size:.98rem;font-weight:600;margin-bottom:.3rem}.slide-image-wrapper{border-radius:var(--radius-md);overflow:hidden;border:2px solid var(--border-color);box-shadow:var(--shadow-md);background-color:var(--bg-card-subtle)}.slide-image-wrapper img{width:100%;height:auto;max-height:clamp(180px,30vh,340px);object-fit:contain;display:block}.andi-slide-speech{display:flex;align-items:center;gap:.8rem;background-color:var(--brand-orange-light);border:2px dashed var(--brand-orange);border-radius:var(--radius-md);padding:.5rem .85rem;margin-top:.5rem;cursor:pointer;transition:var(--transition-fast);flex-shrink:0}.andi-slide-speech:hover{transform:translateY(-2px) scale(1.01);box-shadow:var(--shadow-md);border-color:var(--brand-orange-hover)}.andi-thumb{width:42px;height:42px;border-radius:var(--radius-full);border:3px solid var(--brand-orange);object-fit:cover;flex-shrink:0}.andi-speech-content{flex-grow:1}.andi-speaker-name{font-size:.8rem;font-weight:800;color:var(--brand-orange);text-transform:uppercase;display:flex;align-items:center;justify-content:space-between}.andi-expand-badge{background-color:var(--brand-orange);color:#fff;font-size:.7rem;font-weight:800;padding:.15rem .55rem;border-radius:var(--radius-full)}.andi-tip-text{font-size:clamp(.9rem,1.05vw,1.05rem);font-weight:700;color:var(--text-main);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4}.amplified-card-modal{background-color:var(--bg-card);border:5px solid var(--brand-blue);border-radius:var(--radius-lg);max-width:1300px;width:96vw;padding:clamp(1.25rem,2.5vw,2.75rem);box-shadow:0 0 50px #2563eb59;position:relative;max-height:94dvh;display:flex;flex-direction:column;overflow:hidden}.amplified-card-header{display:flex;align-items:center;gap:1rem;border-bottom:3px solid var(--border-color);padding-bottom:1rem;margin-bottom:1.5rem}.amplified-card-icon{font-size:2.5rem}.amplified-card-header h2{font-size:1.8rem;font-weight:900;color:var(--brand-blue)}.amplified-card-body{font-size:clamp(1.15rem,1.6vw,1.6rem);font-weight:700;line-height:1.7;margin-bottom:1.5rem;flex:1 1 auto;min-height:0;overflow-y:auto;padding-right:.75rem}.amplified-card-body::-webkit-scrollbar{width:12px}.amplified-card-body::-webkit-scrollbar-track{background:var(--bg-card-subtle);border-radius:var(--radius-full)}.amplified-card-body::-webkit-scrollbar-thumb{background:var(--brand-blue);border-radius:var(--radius-full)}.amplified-card-body p{margin-bottom:1.25rem;font-size:inherit}.amplified-card-body .grammar-formula-row{font-size:inherit;margin-bottom:1.1rem;display:flex;align-items:center;flex-wrap:wrap;gap:.6rem}.modal-grammar-block{break-inside:avoid}.modal-grammar-block .formula-part{padding:.35rem 0 .35rem 1.6rem;border-top:2px dashed currentColor;margin-top:.4rem;opacity:.98}.modal-grammar-block .formula-part:first-of-type{border-top:none;margin-top:0}.modal-grammar-block .formula-part:before{content:"▸";font-size:1.1em;left:.35rem}.amplified-card-body .grammar-label-badge{font-size:1.25rem;padding:.35rem .85rem;border-radius:var(--radius-md)}.amplified-card-body .formula-pill{font-size:1.45rem;padding:.35rem .85rem;border-radius:var(--radius-md);background-color:#2563eb2e}.amplified-card-body .formula-op{font-size:1.6rem;margin:0 .3rem}.amplified-card-body .example-item{font-size:1.5rem;margin-bottom:1rem;background-color:var(--brand-orange-light);padding:1rem 1.4rem;border-radius:var(--radius-md);border-left:5px solid var(--brand-orange)}:fullscreen .app-header,:fullscreen .app-footer,:fullscreen .breadcrumb-bar,:-webkit-full-screen .app-header,:-webkit-full-screen .app-footer,:-webkit-full-screen .breadcrumb-bar{display:none!important}:fullscreen .slide-card-frame,:-webkit-full-screen .slide-card-frame{border-radius:var(--radius-md)}:fullscreen .slide-title,:-webkit-full-screen .slide-title{font-size:clamp(1.7rem,2.7vw,2.6rem)}:fullscreen .slide-explanation,:-webkit-full-screen .slide-explanation{font-size:clamp(1.15rem,1.5vw,1.5rem)}:fullscreen .grammar-formula-row,:-webkit-full-screen .grammar-formula-row{font-size:clamp(1.05rem,1.35vw,1.35rem)}:fullscreen .example-item,:-webkit-full-screen .example-item{font-size:clamp(1.02rem,1.3vw,1.3rem)}:fullscreen .slide-image-wrapper img,:-webkit-full-screen .slide-image-wrapper img{height:clamp(220px,36vh,460px)}[data-projector=true]{--bg-main: #090d16;--bg-card: #111827;--bg-card-subtle: #1f2937;--text-main: #ffffff;--text-muted: #d1d5db;--border-color: #374151;--brand-blue-light: rgba(59, 130, 246, .25);--brand-orange-light: rgba(249, 115, 22, .25);--brand-purple-light: rgba(168, 85, 247, .25);font-size:18px}[data-projector=true] .slide-card-frame{border:4px solid var(--brand-blue);background-color:#0d1322;box-shadow:0 0 35px #2563eb59}[data-projector=true] .slide-title{font-size:2.15rem;color:#60a5fa;text-shadow:0 2px 4px rgba(0,0,0,.5)}[data-projector=true] .slide-explanation{font-size:1.25rem;color:#f9fafb}[data-projector=true] .slide-grammar-card{background-color:#1e293b;border:3px solid #60a5fa}[data-projector=true] .grammar-card-header{color:#93c5fd;border-bottom-color:#93c5fd4d}[data-projector=true] .formula-pill{background-color:#1d4ed8;color:#fff;border:1px solid #93c5fd}[data-projector=true] .formula-op{color:#fb923c;font-weight:900}[data-projector=true] .andi-slide-speech{background-color:#1e293b;border:3px dashed #fb923c}[data-projector=true] .andi-tip-text{font-size:1.1rem;color:#fff}[data-projector=true] .btn-slide-nav{font-size:1.1rem;padding:.8rem 1.75rem}.slide-nav-bar{display:flex;align-items:center;justify-content:space-between;margin-top:.75rem;gap:1rem;flex-shrink:0}.btn-slide-nav{padding:.65rem 1.4rem;border-radius:var(--radius-md);font-size:.95rem;font-weight:800;display:flex;align-items:center;gap:.5rem;transition:var(--transition-fast)}.btn-prev{background-color:var(--bg-card-subtle);color:var(--text-main);border:2px solid var(--border-color)}.btn-next{background-color:var(--brand-blue);color:#fff;box-shadow:var(--btn-shadow-blue)}.btn-exercise-launch{background-color:var(--brand-green);color:#fff;box-shadow:var(--btn-shadow-green);font-size:1rem;padding:.75rem 1.6rem}.andi-modal-card{background-color:var(--bg-card);border:4px solid var(--brand-orange);border-radius:var(--radius-lg);max-width:720px;width:92%;padding:2rem;box-shadow:var(--shadow-lg);position:relative;text-align:center}.andi-modal-avatar{width:150px;height:150px;border-radius:var(--radius-full);border:5px solid var(--brand-orange);object-fit:cover;margin:0 auto 1rem;box-shadow:var(--shadow-md)}.andi-modal-title{font-size:1.4rem;font-weight:900;color:var(--brand-orange);margin-bottom:.5rem}.andi-modal-speech-bubble{background-color:var(--brand-orange-light);border:3px solid var(--brand-orange);border-radius:var(--radius-lg);padding:1.5rem;margin-bottom:1.5rem;position:relative}.andi-modal-tip-text{font-size:1.4rem;font-weight:800;color:var(--text-main);line-height:1.5}.exercise-container{background-color:var(--bg-card);border:3px solid var(--brand-green);border-radius:var(--radius-lg);padding:2rem;box-shadow:var(--shadow-lg);margin:1rem 0 2.5rem}.exercise-header{display:flex;align-items:center;justify-content:space-between;border-bottom:2px solid var(--border-color);padding-bottom:1rem;margin-bottom:1.5rem}.exercise-type-badge{background-color:var(--brand-green-light);color:var(--brand-green);font-size:.8rem;font-weight:800;padding:.35rem .8rem;border-radius:var(--radius-full);text-transform:uppercase}.exercise-question-title{font-size:1.4rem;font-weight:800;margin-bottom:1.25rem}.options-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1rem;margin-bottom:1.5rem}.option-card{background-color:var(--bg-card-subtle);border:3px solid var(--border-color);border-radius:var(--radius-md);padding:1rem 1.25rem;font-size:1.05rem;font-weight:700;cursor:pointer;display:flex;align-items:center;gap:.85rem;transition:var(--transition-fast);text-align:left}.option-card:hover{border-color:var(--brand-blue);background-color:var(--brand-blue-light)}.option-card.correct{border-color:var(--brand-green)!important;background-color:var(--brand-green-light)!important;color:var(--brand-green)!important}.option-card.incorrect{border-color:var(--brand-red)!important;background-color:var(--brand-red-light)!important;color:var(--brand-red)!important}.option-letter{width:34px;height:34px;border-radius:var(--radius-full);background-color:var(--bg-card);border:2px solid var(--border-color);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:.95rem;flex-shrink:0}.correct-answer-reveal-box{background-color:var(--brand-green-light);border:2px solid var(--brand-green);border-radius:var(--radius-md);padding:1rem 1.25rem;margin-top:1.25rem}.reveal-title{font-size:.9rem;font-weight:800;color:var(--brand-green);text-transform:uppercase;margin-bottom:.35rem}.reveal-text{font-size:1.1rem;font-weight:800}.exercise-action-bar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem;margin-top:1.5rem;padding-top:1.25rem;border-top:2px solid var(--border-color)}.btn-reveal-solution{background-color:var(--brand-purple);color:#fff;box-shadow:var(--btn-shadow-purple);padding:.7rem 1.25rem;border-radius:var(--radius-md);font-size:.9rem;font-weight:800}.exercise-title-group{display:flex;flex-direction:column;gap:.35rem}.matching-columns{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-bottom:1.5rem}.matching-item{background-color:var(--bg-card-subtle);border:3px solid var(--border-color);border-radius:var(--radius-md);padding:.85rem 1.1rem;font-size:1rem;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:.75rem;margin-bottom:.75rem;transition:var(--transition-fast)}.matching-item:hover{border-color:var(--brand-blue);background-color:var(--brand-blue-light)}.matching-item.active{border-color:var(--brand-purple);background-color:var(--brand-purple-light);color:var(--brand-purple)}.matching-item.matched{border-color:var(--brand-green);background-color:var(--brand-green-light);color:var(--brand-green);cursor:default}.matching-item.incorrect{border-color:var(--brand-red);background-color:var(--brand-red-light);color:var(--brand-red)}@media (max-width: 640px){.matching-columns{grid-template-columns:1fr}}.writing-box{margin-bottom:1rem}.writing-input{width:100%;font-family:var(--font-body);font-size:1.15rem;font-weight:700;color:var(--text-main);background-color:var(--bg-card-subtle);border:3px solid var(--border-color);border-radius:var(--radius-md);padding:.9rem 1.15rem;transition:var(--transition-fast)}.writing-input:focus{outline:none;border-color:var(--brand-blue);background-color:var(--bg-card)}.score-summary-card{background-color:var(--bg-card);border:3px solid var(--brand-green);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:2.5rem 2rem;text-align:center;max-width:640px;margin-left:auto;margin-right:auto}.score-summary-card.band-bajo{border-color:var(--brand-orange)}.score-trophy-img{width:120px;height:120px;object-fit:cover;border-radius:var(--radius-full);border:4px solid var(--brand-green);margin:0 auto 1.25rem;display:block;box-shadow:var(--shadow-md)}.score-title{font-family:var(--font-heading);font-size:1.8rem;font-weight:900;margin-bottom:.5rem}.score-subtitle{font-size:1.05rem;color:var(--text-muted);font-weight:600;margin-bottom:1.5rem}.score-percent-badge{display:inline-block;font-family:var(--font-heading);font-size:2.4rem;font-weight:900;color:var(--brand-green);margin-bottom:.25rem}.score-band-label{display:block;font-size:.9rem;font-weight:800;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);margin-bottom:1.5rem}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background-color:#0f172abf;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;display:flex;align-items:center;justify-content:center;padding:1rem}.modal-card{background-color:var(--bg-card);border-radius:var(--radius-lg);border:3px solid var(--brand-blue);max-width:620px;width:100%;max-height:90vh;overflow-y:auto;padding:1.75rem;position:relative}.modal-close-btn{position:absolute;top:.75rem;right:.75rem;background:none;border:none;font-size:1.4rem;cursor:pointer;color:var(--text-muted)}.image-modal-card{position:relative;width:96vw;height:92vh;max-width:96vw;max-height:92vh;background:#fff;padding:1.5rem;border-radius:var(--radius-lg);border:5px solid var(--brand-blue);box-shadow:0 0 50px #00000080;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:hidden}.image-modal-card img{max-width:100%;max-height:calc(92vh - 3.5rem);object-fit:contain;display:block;border-radius:var(--radius-md)}[data-theme=dark] .image-modal-card,[data-projector=true] .image-modal-card{background-color:#0f172a;border-color:#3b82f6;box-shadow:0 0 50px #3b82f666}.modal-grammar-block{border-radius:var(--radius-md);padding:1.25rem 1.5rem;margin-bottom:1.25rem;box-shadow:var(--shadow-sm);transition:var(--transition-fast)}.modal-grammar-block.affirmative{background-color:#ecfdf5;border:3px solid #10b981;color:#064e3b}.modal-grammar-block.negative{background-color:#fef2f2;border:3px solid #ef4444;color:#7f1d1d}.modal-grammar-block.question{background-color:#f5f3ff;border:3px solid #8b5cf6;color:#4c1d95}.modal-grammar-block.generic{background-color:#eff6ff;border:3px solid #2563eb;color:#1e40af}[data-theme=dark] .modal-grammar-block.affirmative,[data-projector=true] .modal-grammar-block.affirmative{background-color:#10b98138;border-color:#34d399;color:#a7f3d0}[data-theme=dark] .modal-grammar-block.negative,[data-projector=true] .modal-grammar-block.negative{background-color:#ef444438;border-color:#f87171;color:#fecaca}[data-theme=dark] .modal-grammar-block.question,[data-projector=true] .modal-grammar-block.question{background-color:#8b5cf638;border-color:#c084fc;color:#e9d5ff}[data-theme=dark] .modal-grammar-block.generic,[data-projector=true] .modal-grammar-block.generic{background-color:#2563eb38;border-color:#60a5fa;color:#bfdbfe}.modal-grammar-formula-text{font-size:1.55rem;font-weight:800;line-height:1.8}@keyframes fadeIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn .25s ease}.app-footer{margin-top:auto;background-color:var(--bg-card);border-top:2px solid var(--border-color);padding:1rem 0;text-align:center;font-size:.85rem;color:var(--text-muted)}.footer-content{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.5rem}@media (max-height: 830px){.slide-image-wrapper img{height:auto;max-height:clamp(140px,21vh,200px)}.slide-side-column #btn-zoom-infographic{display:none}.summary-card .summary-preview{-webkit-line-clamp:1}.slide-examples-box,.mistakes-card{padding:.4rem .7rem;margin:0}.slide-grammar-card{padding:.55rem .8rem;margin-bottom:.45rem}.grammar-formula-row{margin-bottom:.3rem}}.slide-content-grid>div>*:last-child{margin-bottom:0}.sv2-stage{display:flex;flex-direction:column;height:calc(100vh - 76px);max-width:1320px;margin:0 auto;padding:.6rem 1.5rem .85rem;min-height:0}.sv2-topbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-shrink:0;padding-bottom:.5rem}.sv2-crumbs{display:flex;align-items:center;gap:.45rem;font-size:.85rem;font-weight:700;color:var(--text-muted);white-space:nowrap}.sv2-topbar-center{display:flex;align-items:center;gap:.75rem;flex:1;justify-content:center;min-width:0}.sv2-counter{font-size:.85rem;font-weight:800;color:var(--text-muted);white-space:nowrap}.sv2-progress-track{width:min(260px,30vw);height:9px;background-color:var(--bg-card-subtle);border-radius:var(--radius-full);overflow:hidden}.sv2-progress-fill{height:100%;background-color:var(--sv2-accent, var(--brand-blue));border-radius:var(--radius-full);transition:width .3s ease}.sv2-proj-btn{white-space:nowrap}.sv2-slide{flex:1;min-height:0;background-color:var(--bg-card);border:3px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:clamp(1rem,2.4vh,2rem) clamp(1.25rem,2.5vw,2.75rem);display:flex;flex-direction:column;justify-content:center;overflow:auto;border-top:6px solid var(--sv2-accent, var(--brand-blue))}.sv2-slide-title{font-family:Fredoka,Outfit,sans-serif;font-size:clamp(1.55rem,3.1vh + .55rem,2.6rem);font-weight:600;color:var(--text-main);line-height:1.18;margin-bottom:clamp(.5rem,1.2vh,1rem)}.sv2-paragraph{font-size:clamp(1.02rem,1.75vh + .32rem,1.42rem);line-height:1.62;color:var(--text-main);margin-bottom:clamp(.55rem,1.4vh,1rem);max-width:68ch}.sv2-paragraph b{color:var(--sv2-accent, var(--brand-blue))}.sv2-topic-badge{display:inline-block;background-color:var(--sv2-accent, var(--brand-blue));color:#fff;font-size:clamp(.72rem,1.1vh + .2rem,.92rem);font-weight:800;letter-spacing:.06em;padding:.32rem .9rem;border-radius:var(--radius-full);margin-bottom:clamp(.5rem,1.2vh,.9rem)}.sv2-phase-badge{display:inline-block;background-color:var(--brand-blue-light);color:var(--brand-blue);border:2px solid var(--brand-blue);font-size:clamp(.8rem,1.2vh + .2rem,1rem);font-weight:900;letter-spacing:.05em;padding:.4rem 1.1rem;border-radius:var(--radius-full);margin-bottom:clamp(.7rem,1.6vh,1.2rem)}.sv2-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem}.sv2-expand-btn{flex-shrink:0;background-color:var(--bg-card-subtle);border:2px solid var(--sv2-accent, var(--brand-blue));color:var(--sv2-accent, var(--brand-blue));font-weight:800;font-size:.85rem;padding:.45rem .9rem;border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-fast)}.sv2-expand-btn:hover{background-color:var(--sv2-accent, var(--brand-blue));color:#fff}.sv2-hook{text-align:center;display:flex;flex-direction:column;align-items:center;gap:clamp(.5rem,1.4vh,1rem)}.sv2-hook-title{font-family:Fredoka,sans-serif;font-size:clamp(2rem,5.2vh,3.8rem);font-weight:700;color:var(--sv2-accent, var(--brand-blue));line-height:1.1}.sv2-hook-img{width:clamp(110px,19vh,190px);height:clamp(110px,19vh,190px);object-fit:cover;border-radius:var(--radius-full);border:5px solid var(--sv2-accent, var(--brand-blue));box-shadow:var(--shadow-md)}.sv2-hook-question{font-size:clamp(1.2rem,2.4vh + .4rem,1.85rem);font-weight:800;color:var(--text-main);max-width:26ch;line-height:1.4}.sv2-hook-note{background-color:var(--brand-orange-light);color:var(--brand-orange);border:2px dashed var(--brand-orange);font-size:clamp(.9rem,1.4vh + .25rem,1.1rem);font-weight:700;padding:.55rem 1.2rem;border-radius:var(--radius-md)}.sv2-concept{display:grid;grid-template-columns:1.35fr 1fr;gap:clamp(1.25rem,2.5vw,2.5rem);align-items:center;min-height:0}.sv2-concept-media{display:flex;flex-direction:column;align-items:center;gap:.5rem;min-width:0}.sv2-concept-media img{max-width:100%;max-height:52vh;object-fit:contain;border-radius:var(--radius-md);border:3px solid var(--border-color);cursor:zoom-in;background-color:var(--bg-card-subtle)}.sv2-img-hint{font-size:.8rem;font-weight:700;color:var(--text-muted)}.sv2-gblocks{display:flex;flex-direction:column;gap:clamp(.55rem,1.3vh,1rem);margin-top:clamp(.3rem,.9vh,.7rem)}.sv2-gblock{border:3px solid;border-radius:var(--radius-md);padding:clamp(.6rem,1.4vh,1rem) clamp(.9rem,1.6vw,1.4rem)}.sv2-gblock-label{display:inline-block;color:#fff;font-size:clamp(.78rem,1.15vh + .2rem,.98rem);font-weight:900;letter-spacing:.04em;padding:.28rem .8rem;border-radius:var(--radius-sm);margin-bottom:.4rem}.sv2-gblock-formula{font-size:clamp(1.05rem,1.95vh + .3rem,1.55rem);font-weight:800;line-height:1.5}.sv2-gblock-note{font-size:clamp(.85rem,1.3vh + .2rem,1.05rem);font-weight:600;opacity:.75;margin-top:.3rem;color:var(--text-main)}.sv2-keywords{display:flex;align-items:center;flex-wrap:wrap;gap:.5rem;margin-top:clamp(.6rem,1.5vh,1.1rem)}.sv2-keywords-label{font-size:clamp(.82rem,1.2vh + .2rem,1rem);font-weight:800;color:var(--text-muted);text-transform:uppercase}.sv2-chip{background-color:var(--brand-purple-light);color:var(--brand-purple);border:2px solid var(--brand-purple);font-size:clamp(.85rem,1.3vh + .2rem,1.05rem);font-weight:800;padding:.3rem .85rem;border-radius:var(--radius-full)}.sv2-vgroup{margin-top:clamp(.5rem,1.2vh,.9rem)}.sv2-vgroup-label{display:block;font-size:clamp(.9rem,1.4vh + .25rem,1.15rem);font-weight:900;color:var(--brand-purple);margin-bottom:.4rem}.sv2-vitems{display:flex;flex-wrap:wrap;gap:clamp(.4rem,.9vh,.65rem)}.sv2-vchip{background-color:var(--bg-card-subtle);border:2.5px solid var(--sv2-accent, var(--brand-blue));border-radius:var(--radius-sm);padding:.35rem .8rem;display:inline-flex;align-items:baseline;gap:.4rem}.sv2-vchip b{font-size:clamp(.95rem,1.6vh + .25rem,1.3rem);font-weight:800;color:var(--text-main)}.sv2-vchip small{font-size:clamp(.72rem,1.05vh + .18rem,.9rem);font-weight:600;color:var(--text-muted)}.sv2-example-list{display:flex;flex-direction:column;gap:clamp(.45rem,1.1vh,.8rem);margin-top:clamp(.3rem,.8vh,.6rem)}.sv2-example{display:flex;align-items:flex-start;gap:.85rem;background-color:var(--bg-card-subtle);border-left:5px solid var(--sv2-accent, var(--brand-blue));border-radius:var(--radius-sm);padding:clamp(.45rem,1.1vh,.8rem) clamp(.8rem,1.4vw,1.2rem)}.sv2-example-num{flex-shrink:0;width:clamp(26px,3.4vh,34px);height:clamp(26px,3.4vh,34px);border-radius:var(--radius-full);background-color:var(--sv2-accent, var(--brand-blue));color:#fff;font-weight:900;font-size:clamp(.85rem,1.4vh,1.05rem);display:flex;align-items:center;justify-content:center;margin-top:.15rem}.sv2-example-en{font-size:clamp(1.02rem,1.8vh + .3rem,1.45rem);font-weight:700;color:var(--text-main);line-height:1.45}.sv2-example-en b{color:var(--sv2-accent, var(--brand-blue))}.sv2-example-es{font-size:clamp(.85rem,1.35vh + .2rem,1.08rem);font-weight:500;color:var(--text-muted);font-style:italic;margin-top:.1rem}.sv2-andi{display:flex;align-items:center;gap:.9rem;background-color:var(--brand-orange-light);border:2.5px solid var(--brand-orange);border-radius:var(--radius-md);padding:clamp(.5rem,1.2vh,.85rem) clamp(.8rem,1.4vw,1.2rem);margin-top:clamp(.6rem,1.5vh,1.1rem);cursor:pointer;transition:var(--transition-fast)}.sv2-andi:hover{box-shadow:var(--shadow-md)}.sv2-andi-avatar{width:clamp(46px,6.5vh,64px);height:clamp(46px,6.5vh,64px);object-fit:cover;border-radius:var(--radius-full);border:3px solid var(--brand-orange);flex-shrink:0}.sv2-andi-text{font-size:clamp(.92rem,1.5vh + .25rem,1.2rem);font-weight:600;color:var(--text-main);line-height:1.5}.sv2-andi-text b{color:var(--brand-orange)}.sv2-practice{display:flex;flex-direction:column;align-items:center;text-align:center;gap:clamp(.5rem,1.3vh,1rem)}.sv2-phase-badge.sv2-phase-practice{background-color:var(--brand-green-light);color:var(--brand-green);border-color:var(--brand-green)}.sv2-practice-question{font-family:Fredoka,sans-serif;font-size:clamp(1.4rem,2.9vh + .5rem,2.3rem);font-weight:600;color:var(--text-main);max-width:34ch;line-height:1.3}.sv2-practice-options{display:flex;flex-direction:column;gap:clamp(.5rem,1.2vh,.9rem);width:min(680px,100%);margin-top:clamp(.3rem,.8vh,.6rem)}.sv2-poption{display:flex;align-items:center;gap:.9rem;background-color:var(--bg-card-subtle);border:3px solid var(--border-color);border-radius:var(--radius-md);padding:clamp(.65rem,1.5vh,1rem) 1.2rem;font-size:clamp(1rem,1.75vh + .3rem,1.4rem);font-weight:700;color:var(--text-main);cursor:pointer;text-align:left;transition:var(--transition-fast)}.sv2-poption:hover{border-color:var(--sv2-accent, var(--brand-blue))}.sv2-poption.correct{border-color:var(--brand-green);background-color:var(--brand-green-light);color:var(--brand-green)}.sv2-poption.incorrect{border-color:var(--brand-red);background-color:var(--brand-red-light);color:var(--brand-red)}.sv2-poption.disabled{opacity:.45;cursor:default}.sv2-poption-letter{flex-shrink:0;width:34px;height:34px;border-radius:var(--radius-full);background-color:var(--bg-card);border:2px solid currentColor;display:flex;align-items:center;justify-content:center;font-weight:900}.sv2-practice-reveal{width:min(680px,100%);border-radius:var(--radius-md);padding:clamp(.6rem,1.4vh,1rem) 1.2rem;font-size:clamp(.95rem,1.55vh + .28rem,1.25rem);font-weight:600;line-height:1.5;text-align:left}.sv2-practice-reveal.good{background-color:var(--brand-green-light);border:2.5px solid var(--brand-green);color:var(--text-main)}.sv2-practice-reveal.bad{background-color:var(--brand-red-light);border:2.5px solid var(--brand-red);color:var(--text-main)}.sv2-practice-hint{font-size:.95rem;font-weight:700;color:var(--text-muted)}.sv2-closure{display:flex;flex-direction:column;align-items:center;text-align:center;gap:clamp(.5rem,1.2vh,.9rem)}.sv2-phase-badge.sv2-phase-closure{background-color:var(--brand-purple-light);color:var(--brand-purple);border-color:var(--brand-purple)}.sv2-closure-list{display:flex;flex-direction:column;gap:clamp(.45rem,1.1vh,.8rem);width:min(760px,100%);text-align:left}.sv2-closure-item{display:flex;align-items:flex-start;gap:.85rem;background-color:var(--bg-card-subtle);border:2px solid var(--border-color);border-radius:var(--radius-md);padding:clamp(.55rem,1.3vh,.9rem) 1.1rem;font-size:clamp(1rem,1.7vh + .3rem,1.35rem);font-weight:700;line-height:1.5}.sv2-closure-num{flex-shrink:0;width:32px;height:32px;border-radius:var(--radius-full);background-color:var(--brand-purple);color:#fff;font-weight:900;display:flex;align-items:center;justify-content:center}.sv2-closure-note{font-size:clamp(.9rem,1.4vh + .25rem,1.15rem);font-weight:600;color:var(--text-muted);max-width:60ch}.sv2-go-exercises{background-color:var(--brand-green);box-shadow:var(--btn-shadow-green);font-size:clamp(1rem,1.7vh + .3rem,1.3rem);padding:.85rem 2rem}.sv2-navbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-shrink:0;padding-top:.6rem}.sv2-nav-btn{font-family:var(--font-heading);font-size:clamp(.95rem,1.5vh + .3rem,1.2rem);font-weight:800;padding:.7rem 1.6rem;border-radius:var(--radius-md);cursor:pointer;transition:var(--transition-fast);border:3px solid var(--border-color);background-color:var(--bg-card);color:var(--text-main)}.sv2-nav-btn.sv2-next{background-color:var(--sv2-accent, var(--brand-blue));border-color:var(--sv2-accent, var(--brand-blue));color:#fff;box-shadow:var(--btn-shadow-blue)}.sv2-nav-btn.sv2-next:hover{filter:brightness(1.08)}.sv2-nav-btn.sv2-prev:hover{border-color:var(--sv2-accent, var(--brand-blue))}.sv2-nav-btn:disabled{opacity:.35;cursor:not-allowed}.sv2-nav-hint{font-size:.82rem;font-weight:600;color:var(--text-muted);text-align:center}body[data-projector] .sv2-paragraph{font-size:clamp(1.2rem,2.15vh + .4rem,1.7rem);max-width:62ch}body[data-projector] .sv2-slide-title{font-size:clamp(1.9rem,3.8vh + .6rem,3.1rem)}body[data-projector] .sv2-example-en{font-size:clamp(1.2rem,2.2vh + .35rem,1.75rem)}body[data-projector] .sv2-example-es{font-size:clamp(1rem,1.6vh + .25rem,1.3rem)}body[data-projector] .sv2-gblock-formula{font-size:clamp(1.25rem,2.4vh + .35rem,1.9rem)}body[data-projector] .sv2-vchip b{font-size:clamp(1.1rem,2vh + .3rem,1.6rem)}body[data-projector] .sv2-andi-text{font-size:clamp(1.05rem,1.8vh + .3rem,1.45rem)}body[data-projector] .sv2-nav-hint{display:none}@media (max-width: 920px){.sv2-stage{height:auto;min-height:calc(100vh - 76px)}.sv2-slide{justify-content:flex-start}.sv2-concept{grid-template-columns:1fr}.sv2-concept-media{order:-1}.sv2-concept-media img{max-height:30vh}.sv2-topbar{flex-wrap:wrap}.sv2-topbar-center{order:3;width:100%}.sv2-nav-hint{display:none}}main.sv2-stage~.app-footer{display:none}.exercise-xl{min-height:calc(100vh - 220px);display:flex;flex-direction:column}.exercise-xl .exercise-question-title{font-family:Fredoka,Outfit,sans-serif;font-size:clamp(1.5rem,2.8vh + .6rem,2.4rem);font-weight:600;line-height:1.3;margin:clamp(.8rem,2vh,1.5rem) 0 clamp(.9rem,2.2vh,1.6rem)}.exercise-step-label{font-size:clamp(.95rem,1.5vh + .3rem,1.25rem);font-weight:700;color:var(--text-muted)}.exercise-step-label b{color:var(--brand-blue);font-size:1.15em}.exercise-progress-track{flex:1;max-width:340px;height:10px;background-color:var(--bg-card-subtle);border-radius:var(--radius-full);overflow:hidden;margin:0 1rem}.exercise-progress-fill{height:100%;background-color:var(--brand-green);border-radius:var(--radius-full);transition:width .3s ease}.exercise-instruction{color:var(--text-muted);font-weight:600;font-size:clamp(.95rem,1.4vh + .3rem,1.2rem);margin-bottom:1.25rem}.options-grid-xl{grid-template-columns:1fr;max-width:860px;gap:clamp(.7rem,1.6vh,1.1rem);flex:1;align-content:center}.option-card-xl{font-size:clamp(1.15rem,2vh + .4rem,1.6rem);padding:clamp(.9rem,2vh,1.35rem) 1.5rem;position:relative}.option-card-xl .option-letter{width:44px;height:44px;font-size:1.2rem}.option-card-xl .option-text{flex:1}.say-inline{flex-shrink:0;font-size:1.3rem;padding:.3rem .5rem;border-radius:var(--radius-sm);cursor:pointer;opacity:.65;transition:var(--transition-fast)}.say-inline:hover{opacity:1;transform:scale(1.15)}.matching-col-title{margin-bottom:.7rem;color:var(--brand-purple);font-size:clamp(1rem,1.5vh + .3rem,1.25rem)}.matching-item-xl{font-size:clamp(1.1rem,1.9vh + .35rem,1.5rem);padding:clamp(.85rem,1.9vh,1.25rem) 1.3rem;margin-bottom:clamp(.7rem,1.5vh,1rem)}.writing-input-xl{font-size:clamp(1.25rem,2.1vh + .4rem,1.7rem);padding:clamp(1rem,2.2vh,1.4rem) 1.4rem;max-width:860px}.writing-hint{font-size:clamp(1rem,1.5vh + .3rem,1.3rem);font-weight:700;color:var(--brand-orange);margin-bottom:1rem}.exercise-xl .exercise-action-bar{margin-top:auto}.exercise-xl .btn-reveal-solution,.exercise-xl .exercise-action-bar .btn-primary{font-size:clamp(1rem,1.6vh + .3rem,1.3rem);padding:clamp(.75rem,1.7vh,1.05rem) 1.7rem}.score-detail-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem;margin-bottom:1.4rem}.score-detail-chip{font-size:.95rem;font-weight:800;padding:.4rem .8rem;border-radius:var(--radius-full);border:2px solid}.score-detail-chip.good{background-color:var(--brand-green-light);border-color:var(--brand-green);color:var(--brand-green)}.score-detail-chip.bad{background-color:var(--brand-red-light);border-color:var(--brand-red);color:var(--brand-red)}.sv2-say-btn{background-color:var(--brand-blue-light);border:2px solid var(--brand-blue);color:var(--brand-blue);border-radius:var(--radius-full);font-size:clamp(.95rem,1.5vh,1.2rem);width:clamp(34px,4.6vh,44px);height:clamp(34px,4.6vh,44px);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition-fast);flex-shrink:0;vertical-align:middle}.sv2-say-btn:hover{background-color:var(--brand-blue);color:#fff;transform:scale(1.08)}.sv2-example .sv2-say-btn{align-self:center;margin-left:auto}.sv2-vchip-say{cursor:pointer;transition:var(--transition-fast)}.sv2-vchip-say:hover{border-color:var(--brand-orange);transform:translateY(-2px)}.sv2-vchip-icon{font-size:.8em;opacity:.6}.sv2-practice-multi{align-items:stretch;text-align:left;justify-content:flex-start;gap:clamp(.6rem,1.4vh,1rem);overflow:auto}.sv2-practice-header{display:flex;align-items:center;justify-content:space-between;gap:1rem}.sv2-practice-progress{font-size:clamp(.85rem,1.3vh + .2rem,1.05rem);font-weight:800;color:var(--text-muted)}.sv2-pquestion{background-color:var(--bg-card-subtle);border:2px solid var(--border-color);border-radius:var(--radius-md);padding:clamp(.7rem,1.6vh,1.1rem) clamp(.9rem,1.8vw,1.4rem)}.sv2-pquestion-title{display:flex;align-items:center;gap:.7rem;font-family:var(--font-heading);font-size:clamp(1.05rem,1.8vh + .35rem,1.5rem);font-weight:800;line-height:1.35;margin-bottom:clamp(.5rem,1.2vh,.85rem)}.sv2-pquestion-num{flex-shrink:0;width:clamp(28px,3.6vh,36px);height:clamp(28px,3.6vh,36px);border-radius:var(--radius-full);background-color:var(--brand-green);color:#fff;font-size:clamp(.9rem,1.4vh,1.1rem);display:flex;align-items:center;justify-content:center}.sv2-practice-multi .sv2-practice-options{width:100%;gap:clamp(.4rem,1vh,.7rem)}.sv2-practice-multi .sv2-poption{padding:clamp(.55rem,1.3vh,.85rem) 1.1rem;font-size:clamp(1rem,1.6vh + .3rem,1.3rem);background-color:var(--bg-card)}.sv2-practice-multi .sv2-practice-reveal{width:100%;margin-top:.5rem;font-size:clamp(.9rem,1.4vh + .25rem,1.15rem)}.icfes-passage-box{background:linear-gradient(135deg,#fffbeb,#fef3c7);border:2px solid #f59e0b;border-radius:16px;padding:1.4rem 1.6rem;margin-bottom:1.4rem}.icfes-passage-tag{font-weight:800;font-size:.95rem;color:#b45309;text-transform:uppercase;letter-spacing:.04em;margin-bottom:.6rem}.icfes-passage-text{font-size:1.35rem;line-height:1.75;color:#1e293b;margin:0 0 .8rem}.icfes-say{font-size:1rem;font-weight:700;background:#fff;border:2px solid #f59e0b;border-radius:999px;padding:.35rem .9rem;cursor:pointer;color:#b45309}.icfes-options .option-card{align-items:flex-start;text-align:left}