:root{--sky:#29b6f6;--sky-light:#e1f5fe;--sun:#ffd54f;--sun-dark:#f9a825;--coral:#ff7043;--coral-light:#fbe9e7;--mint:#43a047;--mint-light:#e8f5e9;--purple:#7e57c2;--purple-light:#ede7f6;--pink:#ec407a;--pink-light:#fce4ec;--orange:#fb8c00;--orange-light:#fff3e0;--dark:#1a237e;--text:#37474f;--muted:#78909c;--white:#fff;--bg:#f0f4ff;--radius:18px;--radius-sm:10px;--shadow:0 8px 30px #0000001f;--shadow-lg:0 16px 48px #0000002e;--trans:.25s cubic-bezier(.4,0,.2,1)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);min-height:100vh;font-family:Nunito,sans-serif;overflow-x:hidden}h1,h2,h3{letter-spacing:.5px;font-family:Fredoka 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16px;font-size:.9rem;font-weight:700}.nav-back:hover{background:#eee}.success-overlay{z-index:500;background:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.success-card{text-align:center;box-shadow:var(--shadow-lg);background:#fff;border-radius:28px;width:90%;max-width:420px;padding:48px 40px;animation:.4s cubic-bezier(.34,1.56,.64,1) slideUp}.success-icon{margin-bottom:16px;font-size:4rem;animation:.5s starPop}.success-card h2{color:var(--dark);margin-bottom:8px;font-size:2rem}.success-card p{color:var(--muted);margin-bottom:24px;font-weight:600}.score-display{color:var(--mint);margin:16px 0;font-family:Fredoka One,cursive;font-size:3rem}.confetti-piece{pointer-events:none;z-index:600;border-radius:2px;width:10px;height:10px;animation:linear forwards confettiFall;position:fixed}.empty-state{text-align:center;color:var(--muted);padding:60px 20px}.empty-state .icon{margin-bottom:16px;font-size:3rem}.empty-state p{font-size:1rem;font-weight:700}#view-home{background:linear-gradient(135deg,#e3f2fd,#f3e5f5,#e8f5e9,#fff8e1) 0 0/400% 400%;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:20px;animation:8s infinite gradientBG;display:flex}.home-hero{text-align:center;margin-bottom:40px;animation:.6s fadeIn}.home-logo{background:linear-gradient(135deg,#1a237e,#7e57c2,#e91e63);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-family:Fredoka One,cursive;font-size:clamp(2.5rem,8vw,4.5rem)}.home-tagline{color:var(--muted);margin-top:8px;font-size:1.15rem;font-weight:600}.home-decorations{justify-content:center;gap:20px;margin:20px 0;font-size:2.5rem;display:flex}.home-decorations span{animation:3s ease-in-out infinite float}.home-decorations span:nth-child(2){animation-delay:.5s}.home-decorations span:nth-child(3){animation-delay:1s}.home-decorations span:nth-child(4){animation-delay:1.5s}.home-cards{flex-wrap:wrap;justify-content:center;gap:24px;display:flex}.home-card{text-align:center;cursor:pointer;width:220px;transition:transform var(--trans), box-shadow var(--trans);box-shadow:var(--shadow);border-radius:24px;padding:32px 24px;animation:.6s both fadeIn}.home-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-8px)scale(1.03)}.home-card.teacher-card{color:#fff;background:linear-gradient(135deg,#ff6f00,#ffb300);animation-delay:.1s}.home-card.student-card{color:#fff;background:linear-gradient(135deg,#1565c0,#00acc1);animation-delay:.2s}.home-card-icon{margin-bottom:12px;font-size:3rem}.home-card h2{margin-bottom:8px;font-family:Fredoka One,cursive;font-size:1.6rem}.home-card p{opacity:.9;font-size:.9rem;font-weight:600}#view-teacher{min-height:100vh;padding-bottom:40px}.wizard-body{max-width:780px;margin:0 auto;padding:24px 20px}.stepper{align-items:center;gap:0;padding:20px 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h2{color:var(--dark);margin-bottom:4px;font-size:1.5rem}.wizard-card .subtitle{color:var(--muted);margin-bottom:24px;font-size:.9rem;font-weight:600}.form-group{margin-bottom:18px}.form-label{color:var(--text);margin-bottom:6px;font-size:.875rem;font-weight:700;display:block}.form-input{border-radius:var(--radius-sm);width:100%;transition:border-color var(--trans);background:#fafafa;border:2px solid #e0e0e0;padding:12px 16px;font-family:inherit;font-size:.95rem}.form-input:focus{border-color:var(--purple);background:#fff}.form-input.error{border-color:var(--coral)}textarea.form-input{resize:vertical;min-height:120px}.form-hint{color:var(--muted);margin-top:4px;font-size:.8rem;font-weight:600}.section-card{border-radius:var(--radius);background:#fff;border:2px solid #eee;margin-bottom:16px;overflow:hidden}.section-header{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:12px;padding:14px 20px;display:flex}.section-badge{color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:.85rem;font-weight:800;display:flex}.section-body{padding:0 20px 20px}.video-item{border-radius:var(--radius-sm);background:#fafafa;border:2px dashed #e0e0e0;align-items:center;gap:10px;margin-bottom:8px;padding:10px;display:flex}.video-item input{background:0 0;border:none;flex:1;padding:8px 12px;font-size:.875rem}.btn-icon{width:32px;height:32px;transition:background var(--trans);border-radius:8px;justify-content:center;align-items:center;font-size:1rem;display:flex}.btn-icon.danger:hover{background:var(--coral-light);color:var(--coral)}.btn-add-video{border:2px dashed var(--sky);border-radius:var(--radius-sm);width:100%;color:var(--sky);transition:background var(--trans);background:0 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a{color:var(--purple);text-decoration:underline}.eye-btn{color:var(--muted);background:0 0;font-size:1rem;position:absolute;top:50%;right:12px;transform:translateY(-50%)}.input-wrap{align-items:center;display:flex;position:relative}.input-wrap .form-input{padding-right:40px}.generate-area{text-align:center;padding:20px 0}.btn-generate{color:#fff;letter-spacing:.5px;transition:transform var(--trans), box-shadow var(--trans);background:linear-gradient(135deg,#7e57c2,#e91e63);border-radius:50px;padding:16px 40px;font-family:Fredoka One,cursive;font-size:1.3rem;box-shadow:0 8px 24px #7e57c266}.btn-generate:hover{transform:translateY(-3px);box-shadow:0 12px 32px #7e57c280}.btn-generate:disabled{opacity:.6;cursor:not-allowed;transform:none}.generating-status{color:var(--purple);justify-content:center;align-items:center;gap:10px;margin-top:20px;font-weight:700;display:flex}.spinner{border:3px solid #e0e0e0;border-top-color:var(--purple);border-radius:50%;width:24px;height:24px;animation:1s linear infinite spin}.q-preview-tabs{flex-wrap:wrap;gap:8px;margin-bottom:20px;display:flex}.q-tab{cursor:pointer;transition:all var(--trans);color:var(--muted);background:#f5f5f5;border:2px solid #0000;border-radius:20px;padding:8px 18px;font-size:.85rem;font-weight:700}.q-tab.active{background:var(--purple);color:#fff;border-color:var(--purple)}.q-count{background:#ffffff4d;border-radius:50%;justify-content:center;align-items:center;width:20px;height:20px;margin-left:4px;font-size:.75rem;display:inline-flex}.preview-list{flex-direction:column;gap:10px;display:flex}.preview-item{border-radius:var(--radius-sm);border-left:4px solid var(--purple);background:#f8f9fa;padding:12px 16px;font-size:.875rem}.preview-item strong{color:var(--dark)}.wizard-nav{justify-content:space-between;align-items:center;margin-top:28px;display:flex}.btn-prev{color:var(--text);transition:background var(--trans);background:#f5f5f5;border-radius:12px;padding:12px 24px;font-size:.95rem;font-weight:700}.btn-prev:hover{background:#e0e0e0}.btn-next{background:linear-gradient(135deg,var(--purple),#5c6bc0);color:#fff;transition:all var(--trans);border-radius:12px;padding:12px 28px;font-size:.95rem;font-weight:800;box-shadow:0 4px 16px #7e57c24d}.btn-next:hover{transform:translateY(-2px);box-shadow:0 8px 24px #7e57c266}.btn-publish{background:linear-gradient(135deg,var(--mint),#00897b);color:#fff;transition:all var(--trans);border-radius:12px;padding:14px 32px;font-family:Fredoka One,cursive;font-size:1.2rem;font-weight:800;box-shadow:0 4px 16px #43a0474d}.btn-publish:hover{transform:translateY(-2px);box-shadow:0 8px 24px #43a04766}#view-student{min-height:100vh}.lesson-hero{color:#fff;text-align:center;background:linear-gradient(135deg,#1a237e 0%,#283593 40%,#1565c0 100%);padding:32px 24px}.lesson-hero h1{margin-bottom:8px;font-size:clamp(1.5rem,4vw,2.5rem)}.lesson-hero p{opacity:.8;font-weight:600}.section-nav{background:#fff;border-bottom:2px solid #eee;gap:12px;padding:16px 24px;display:flex;overflow-x:auto;box-shadow:0 2px 8px #0000000f}.section-tab{cursor:pointer;white-space:nowrap;transition:all var(--trans);color:var(--muted);background:#f5f5f5;border:2px solid #0000;border-radius:20px;padding:10px 20px;font-size:.875rem;font-weight:700}.section-tab.active{background:var(--dark);color:#fff}.section-tab.completed{border-color:var(--mint);color:var(--mint);background:var(--mint-light)}.video-section{max-width:900px;margin:24px auto;padding:0 20px}.video-section-title{color:var(--dark);align-items:center;gap:10px;margin-bottom:16px;font-size:1.2rem;display:flex}.video-carousel{position:relative}.video-wrapper{border-radius:var(--radius);box-shadow:var(--shadow);aspect-ratio:16/9;background:#000;overflow:hidden}.video-wrapper iframe,.video-wrapper video{border:none;width:100%;height:100%}.video-controls{justify-content:space-between;align-items:center;margin-top:12px;display:flex}.video-dots{gap:8px;display:flex}.video-dot{cursor:pointer;width:10px;height:10px;transition:background var(--trans);background:#e0e0e0;border-radius:50%}.video-dot.active{background:var(--dark)}.video-nav-btn{color:var(--text);transition:all var(--trans);background:#fff;border:2px solid #e0e0e0;border-radius:10px;padding:8px 16px;font-size:.875rem;font-weight:700}.video-nav-btn:hover{border-color:var(--dark)}.video-nav-btn:disabled{opacity:.4;cursor:not-allowed}.no-video-placeholder{aspect-ratio:16/9;border-radius:var(--radius);color:#fff9;background:linear-gradient(135deg,#263238,#37474f);flex-direction:column;justify-content:center;align-items:center;gap:12px;font-size:1.1rem;font-weight:700;display:flex}.section-complete-bar{justify-content:center;margin:20px 0;display:flex}.btn-complete-section{background:linear-gradient(135deg,var(--mint),#00897b);color:#fff;transition:all var(--trans);border-radius:50px;padding:12px 28px;font-size:.95rem;font-weight:800;box-shadow:0 4px 16px #43a0474d}.btn-complete-section:hover{transform:translateY(-2px);box-shadow:0 8px 24px #43a04766}.activities-section{max-width:900px;margin:32px auto;padding:0 20px 60px}.activities-header{text-align:center;margin-bottom:28px}.activities-header h2{color:var(--dark);margin-bottom:8px;font-size:1.8rem}.activities-header p{color:var(--muted);font-weight:600}.student-name-row{border-radius:var(--radius);box-shadow:var(--shadow);background:#fff;align-items:center;gap:12px;margin-bottom:24px;padding:16px 20px;display:flex}.student-name-row label{color:var(--text);flex-shrink:0;font-weight:700}.student-name-row input{transition:border-color var(--trans);border:2px solid #e0e0e0;border-radius:8px;flex:1;padding:10px 14px;font-family:inherit;font-size:.95rem}.student-name-row input:focus{border-color:var(--sky)}.game-grid{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin-bottom:32px;display:grid}.game-btn{border-radius:var(--radius);text-align:center;cursor:pointer;box-shadow:var(--shadow);transition:all var(--trans);background:#fff;border:3px solid #0000;padding:24px 16px;position:relative;overflow:hidden}.game-btn:before{content:"";opacity:0;transition:opacity var(--trans);position:absolute;inset:0}.game-btn:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}.game-btn.active{border-color:var(--sun)}.game-btn.flashcard-btn:before{background:linear-gradient(135deg,var(--sky-light),#e3f2fd)}.game-btn.wordle-btn:before{background:linear-gradient(135deg,var(--mint-light),#f1f8e9)}.game-btn.memory-btn:before{background:linear-gradient(135deg,var(--purple-light),#ede7f6)}.game-btn.fillblank-btn:before{background:linear-gradient(135deg,var(--orange-light),#fff8e1)}.game-btn.mcq-btn:before{background:linear-gradient(135deg,var(--pink-light),#fce4ec)}.game-btn.active:before{opacity:1}.game-btn-content{z-index:1;position:relative}.game-icon{margin-bottom:8px;font-size:2.5rem}.game-label{color:var(--dark);font-family:Fredoka One,cursive;font-size:1rem}.game-sub{color:var(--muted);margin-top:4px;font-size:.78rem;font-weight:600}.game-badge{background:var(--mint);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:24px;height:24px;font-size:.75rem;font-weight:800;display:flex;position:absolute;top:10px;right:10px}.game-container{border-radius:var(--radius);box-shadow:var(--shadow);background:#fff;min-height:400px;animation:.4s fadeIn;overflow:hidden}.game-header{border-bottom:2px solid #f5f5f5;align-items:center;gap:12px;padding:20px 24px;display:flex}.game-header h3{color:var(--dark);font-size:1.3rem}.game-progress{color:var(--muted);margin-left:auto;font-size:.875rem;font-weight:700}.game-body{padding:24px}.submit-row{flex-wrap:wrap;justify-content:center;gap:16px;margin-top:32px;display:flex}.btn-submit{color:#fff;transition:all var(--trans);background:linear-gradient(135deg,#e91e63,#c2185b);border-radius:50px;padding:16px 36px;font-family:Fredoka One,cursive;font-size:1.2rem;box-shadow:0 6px 20px #e91e6359}.btn-submit:hover{transform:translateY(-3px);box-shadow:0 10px 28px #e91e6373}.btn-download{border:2px solid var(--muted);color:var(--text);transition:all var(--trans);background:#fff;border-radius:50px;padding:16px 28px;font-size:.95rem;font-weight:800}.btn-download:hover{border-color:var(--text)}.flashcard-stage{flex-direction:column;align-items:center;gap:24px;display:flex}.flashcard-progress{color:var(--muted);font-size:.9rem;font-weight:700}.flashcard-wrap{perspective:1000px;cursor:pointer;width:100%;max-width:480px;height:260px}.flashcard{width:100%;height:100%;transform-style:preserve-3d;transition:transform .6s cubic-bezier(.4,0,.2,1);position:relative}.flashcard.flipped{transform:rotateY(180deg)}.flashcard-face{border-radius:var(--radius);text-align:center;backface-visibility:hidden;flex-direction:column;justify-content:center;align-items:center;padding:28px;display:flex;position:absolute;inset:0}.flashcard-front{color:#fff;background:linear-gradient(135deg,#1565c0,#1e88e5)}.flashcard-back{color:#fff;background:linear-gradient(135deg,#e91e63,#f06292);transform:rotateY(180deg)}.flashcard-face h3{margin-bottom:8px;font-size:1.4rem}.flashcard-face p{opacity:.9;font-size:1rem;line-height:1.5}.flashcard-hint{opacity:.7;margin-top:12px;font-size:.78rem}.flashcard-nav{align-items:center;gap:20px;display:flex}.flashcard-nav button{transition:all var(--trans);color:var(--text);background:#fff;border:2px solid #e0e0e0;border-radius:12px;padding:10px 20px;font-size:.9rem;font-weight:800}.flashcard-nav button:hover:not(:disabled){border-color:var(--dark);transform:translateY(-2px)}.flashcard-nav button:disabled{opacity:.4;cursor:not-allowed}.fc-star{font-size:1.5rem}.fc-known-area{gap:12px;display:flex}.btn-known{background:var(--mint-light);color:var(--mint);transition:all var(--trans);border-radius:10px;padding:8px 16px;font-size:.85rem;font-weight:700}.btn-known:hover{background:var(--mint);color:#fff}.btn-unknown{background:var(--coral-light);color:var(--coral);transition:all var(--trans);border-radius:10px;padding:8px 16px;font-size:.85rem;font-weight:700}.btn-unknown:hover{background:var(--coral);color:#fff}.wordle-stage{flex-direction:column;align-items:center;gap:20px;display:flex}.wordle-hint-box{background:var(--sun-dark);color:#fff;border-radius:var(--radius-sm);text-align:center;padding:10px 20px;font-size:.95rem;font-weight:700}.wordle-grid{flex-direction:column;gap:6px;display:flex}.wordle-row{gap:6px;display:flex}.wordle-cell{width:52px;height:52px;color:var(--dark);text-transform:uppercase;border:2.5px solid #e0e0e0;border-radius:8px;justify-content:center;align-items:center;font-family:Fredoka One,cursive;font-size:1.4rem;transition:all .2s;display:flex}.wordle-cell.correct{color:#fff;background:#43a047;border-color:#43a047}.wordle-cell.present{color:#fff;background:#fb8c00;border-color:#fb8c00}.wordle-cell.absent{color:#fff;background:#78909c;border-color:#78909c}.wordle-cell.current-row{border-color:var(--purple)}.wordle-input-row{align-items:center;gap:10px;display:flex}.wordle-input{border-radius:var(--radius-sm);text-transform:uppercase;letter-spacing:4px;text-align:center;width:200px;transition:border-color var(--trans);border:2.5px solid #e0e0e0;padding:12px 16px;font-family:Fredoka One,cursive;font-size:1.1rem}.wordle-input:focus{border-color:var(--purple)}.btn-wordle-submit{background:var(--purple);color:#fff;border-radius:var(--radius-sm);transition:all var(--trans);padding:12px 20px;font-size:.9rem;font-weight:800}.btn-wordle-submit:hover{background:#6a1b9a}.wordle-keyboard{flex-direction:column;align-items:center;gap:6px;display:flex}.wordle-key-row{gap:5px;display:flex}.wordle-key{min-width:34px;color:var(--dark);cursor:pointer;text-align:center;background:#e0e0e0;border-radius:6px;padding:12px 8px;font-family:Nunito,sans-serif;font-size:.85rem;font-weight:800;transition:all .15s}.wordle-key:hover{transform:translateY(-1px)}.wordle-key.correct{color:#fff;background:#43a047}.wordle-key.present{color:#fff;background:#fb8c00}.wordle-key.absent{color:#fff;background:#90a4ae}.wordle-key.wide{min-width:54px;font-size:.75rem}.wordle-status{color:var(--purple);min-height:24px;font-size:1rem;font-weight:700}.wordle-word-nav{align-items:center;gap:12px;display:flex}.wordle-word-nav button{transition:all var(--trans);background:#fff;border:2px solid #e0e0e0;border-radius:10px;padding:8px 16px;font-size:.875rem;font-weight:700}.wordle-word-nav button:hover:not(:disabled){border-color:var(--dark)}.wordle-word-nav button:disabled{opacity:.4}.memory-stage{flex-direction:column;align-items:center;gap:20px;display:flex}.memory-info{gap:20px;display:flex}.memory-stat{border-radius:var(--radius-sm);text-align:center;background:#f5f5f5;padding:10px 20px}.memory-stat-num{color:var(--dark);font-family:Fredoka One,cursive;font-size:1.5rem}.memory-stat-label{color:var(--muted);font-size:.78rem;font-weight:700}.memory-grid{gap:10px;width:100%;display:grid}.mem-card-wrap{perspective:800px;cursor:pointer}.mem-card{width:100%;transform-style:preserve-3d;border-radius:12px;transition:transform .5s cubic-bezier(.4,0,.2,1);position:relative}.mem-card.flipped{transform:rotateY(180deg)}.mem-card-face{backface-visibility:hidden;text-align:center;border-radius:12px;justify-content:center;align-items:center;padding:8px;font-size:.85rem;font-weight:700;line-height:1.3;display:flex;position:absolute;inset:0}.mem-card-back-face{background:linear-gradient(135deg,#3949ab,#5c6bc0)}.mem-card-back-face:after{content:"?";color:#ffffffb3;font-family:Fredoka One,cursive;font-size:1.8rem}.mem-card-front-face{color:var(--dark);background:#fff;border:2.5px solid #e0e0e0;transform:rotateY(180deg)}.mem-card.matched .mem-card-front-face{background:var(--mint-light);border-color:var(--mint);color:var(--mint)}.mem-card.wrong-flash .mem-card-front-face{background:var(--coral-light);border-color:var(--coral)}.fill-stage{flex-direction:column;gap:20px;display:flex}.fill-item{border-radius:var(--radius-sm);border-left:4px solid var(--orange);background:#f8f9fa;padding:20px}.fill-item-num{color:var(--orange);text-transform:uppercase;letter-spacing:1px;margin-bottom:8px;font-size:.78rem;font-weight:800}.fill-sentence{color:var(--dark);font-size:1.05rem;font-weight:600;line-height:1.8}.fill-input-inline{border:none;border-bottom:2.5px solid var(--orange);color:var(--purple);text-align:center;min-width:80px;transition:border-color var(--trans);background:0 0;padding:2px 8px;font-family:inherit;font-size:1rem;font-weight:700;display:inline-block}.fill-input-inline:focus{border-color:var(--purple);outline:none}.fill-input-inline.correct{border-color:var(--mint);color:var(--mint)}.fill-input-inline.wrong{border-color:var(--coral);color:var(--coral)}.fill-hint{color:var(--muted);margin-top:8px;font-size:.8rem;font-style:italic}.fill-check-row{justify-content:center;margin-top:20px;display:flex}.btn-check{background:var(--orange);color:#fff;transition:all var(--trans);border-radius:12px;padding:12px 28px;font-size:.95rem;font-weight:800}.btn-check:hover{background:#e65100}.fill-result{text-align:center;border-radius:8px;margin-top:12px;padding:10px;font-weight:700}.fill-result.good{background:var(--mint-light);color:var(--mint)}.fill-result.bad{background:var(--coral-light);color:var(--coral)}.mcq-stage{flex-direction:column;gap:24px;display:flex}.mcq-item{border-radius:var(--radius-sm);background:#f8f9fa;padding:20px}.mcq-q-num{color:var(--pink);text-transform:uppercase;letter-spacing:1px;margin-bottom:8px;font-size:.78rem;font-weight:800}.mcq-question{color:var(--dark);margin-bottom:16px;font-size:1.05rem;font-weight:700;line-height:1.5}.mcq-options{flex-direction:column;gap:8px;display:flex}.mcq-option{border-radius:var(--radius-sm);cursor:pointer;transition:all var(--trans);text-align:left;background:#fff;border:2px solid #e0e0e0;align-items:center;gap:12px;padding:12px 16px;font-family:inherit;font-size:.9rem;font-weight:600;display:flex}.mcq-option:hover{border-color:var(--pink);background:var(--pink-light)}.mcq-option.selected{border-color:var(--purple);background:var(--purple-light);color:var(--purple)}.mcq-option.correct-ans{border-color:var(--mint);background:var(--mint-light);color:var(--mint)}.mcq-option.wrong-ans{border-color:var(--coral);background:var(--coral-light);color:var(--coral)}.mcq-opt-letter{width:28px;height:28px;transition:background var(--trans);background:#e0e0e0;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:.8rem;font-weight:800;display:flex}.mcq-option.selected .mcq-opt-letter{background:var(--purple);color:#fff}.mcq-option.correct-ans .mcq-opt-letter{background:var(--mint);color:#fff}.mcq-option.wrong-ans .mcq-opt-letter{background:var(--coral);color:#fff}.mcq-explanation{color:#e65100;background:#fff8e1;border-radius:8px;margin-top:10px;padding:10px 14px;font-size:.85rem;font-weight:600;display:none}.mcq-explanation.show{display:block}.mcq-submit-row{justify-content:center;display:flex}.btn-mcq-submit{background:var(--pink);color:#fff;transition:all var(--trans);border-radius:12px;padding:12px 28px;font-size:.95rem;font-weight:800}.btn-mcq-submit:hover{background:#ad1457}