*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--blue-dark: #1e3a5f;--blue-mid: #2c5f8a;--blue-soft: #5b8cbd;--blue-pale: #d6e6f5;--cream: #f4efe6;--sidebar-bg: #e3f0fa;--correct-green: #2e7d32;--correct-light: #e8f5e9;--wrong-red: #c62828;--wrong-light: #ffebee;--mustard: #f9a826;--warm-accent: #f9a826;--amber: #f59e0b;--amber-dk: #b45309}::selection{background:#2c5f8a40;color:#1e3a5f}.sidebar-top .broom{font-size:3rem;display:block;transform:rotate(-18deg);margin-bottom:8px;filter:drop-shadow(0 2px 4px rgba(0,0,0,.12))}.nav-btn{width:100%;background:var(--cream);border:2px solid transparent;border-radius:60px;padding:16px 18px;font-family:Nunito,sans-serif;font-weight:800;font-size:1.1rem;color:var(--blue-dark);cursor:pointer;transition:all .17s ease;display:flex;align-items:center;gap:14px;box-shadow:0 2px 6px #0000000f;text-align:left}.nav-btn 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#ffb347;font-weight:600;color:#3a2a1f}.pair-discussion p{margin-bottom:8px;font-size:1rem}.vocab-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px;margin-bottom:24px}.vocab-card{background:#ffffffd9;border:2px solid rgba(44,95,138,.25);border-radius:28px;padding:24px 16px;text-align:center;cursor:pointer;transition:all .25s ease;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.vocab-card:hover{transform:translateY(-6px);background:#fff;border-color:var(--blue-soft);box-shadow:0 12px 28px #0000001f}.vocab-word{font-size:1.45rem;font-weight:800;color:var(--blue-dark);margin-top:14px}.vocab-meaning{font-size:.85rem;color:var(--blue-mid);margin-top:10px;display:none;line-height:1.45}.vocab-card.active .vocab-meaning{display:block}.vocab-card.active{background:linear-gradient(135deg,#e8f0f8,#d4e4f0);border-color:var(--blue-dark);transform:scale(1.02)}.vocab-image{width:130px;height:130px;margin:0 auto 14px;background-size:contain;background-repeat:no-repeat;background-position:center;border-radius:20px;transition:transform .2s;display:flex;align-items:center;justify-content:center;background-color:#f0f4f8}.vocab-card:hover .vocab-image{transform:scale(1.05)}.vocab-image img{width:160px;height:160px;object-fit:contain;border-radius:16px}.dialogue-box{background:#ffffffe6;border-radius:28px;padding:28px;display:flex;gap:28px;align-items:flex-start;flex-wrap:wrap;margin-bottom:20px}.char-col{display:flex;flex-direction:column;align-items:center;gap:24px;min-width:90px}.char-avatar{width:56px;height:56px;border-radius:50%;background:var(--cream);border:3px solid var(--blue-soft);display:flex;align-items:center;justify-content:center;font-size:2.2rem;box-shadow:0 4px 12px #00000017}.char-name{font-size:.9rem;font-weight:800;color:var(--blue-dark);text-align:center}.bubbles-col{flex:1;display:flex;flex-direction:column;gap:14px;min-width:220px}.bubble{border-radius:24px;padding:14px 22px;font-size:1rem;font-weight:600;line-height:1.5;max-width:84%;cursor:pointer;transition:all .2s ease;position:relative;border:2px solid transparent}.bubble:hover{transform:scale(1.02);filter:brightness(.98);box-shadow:0 4px 12px #0000001a}.bubble:active{transform:scale(.99)}.bubble .spk{display:block;font-size:.75rem;font-weight:900;text-transform:uppercase;letter-spacing:.5px;opacity:.52;margin-bottom:5px}.bubble.speaking{animation:pulse .5s ease-in-out 2;background:#ffe8b6;border-color:#ffa000}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.02);background:#fff3cd}to{transform:scale(1)}}.b-left{background:#e3f2fd;border:1.5px solid #90caf9;color:#0d47a1;border-bottom-left-radius:6px;align-self:flex-start}.b-right{background:#d6e6f5;border:1.5px solid #7dafe0;color:#1e3a5f;border-bottom-right-radius:6px;align-self:flex-end;text-align:right}.bubble.active-line{border-color:var(--blue-mid);box-shadow:0 0 0 3px #2c5f8a2e}.speaker-icon{display:inline-block;margin-left:8px;font-size:.8rem;opacity:.6;transition:opacity .2s}.bubble:hover .speaker-icon{opacity:1}.dialogue-play-bar{display:flex;align-items:center;gap:14px;background:#ffffffb3;border:1.5px solid rgba(30,58,95,.12);border-radius:60px;padding:12px 20px;margin-bottom:20px;flex-wrap:wrap}.btn-play-all{background:var(--blue-dark);border:none;border-radius:60px;padding:10px 24px;color:#fff;font-family:Nunito,sans-serif;font-weight:800;font-size:.95rem;cursor:pointer;display:flex;align-items:center;gap:8px;box-shadow:0 4px #0f2b44;transition:all .13s}.btn-play-all:active{transform:translateY(2px);box-shadow:0 2px #0f2b44}.btn-play-all:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-stop-all{background:#c0392b;border:none;border-radius:60px;padding:10px 20px;color:#fff;font-family:Nunito,sans-serif;font-weight:800;font-size:.95rem;cursor:pointer;display:flex;align-items:center;gap:8px;box-shadow:0 4px #7f2318;transition:all .13s}.btn-stop-all:active{transform:translateY(2px);box-shadow:0 2px #7f2318}.dialogue-status{font-size:.88rem;font-weight:700;color:var(--blue-mid);font-style:italic}.reading-text{background:#ffffffbf;border-radius:24px;padding:24px 28px;margin-bottom:24px;border:1px solid rgba(44,95,138,.2);line-height:1.7;font-size:1rem;color:#1a3a55}.activity-card{background:#ffffffb3;border-radius:24px;padding:20px 24px;margin-bottom:20px;border:1px solid rgba(44,95,138,.15)}.activity-title{font-size:1.2rem;font-weight:800;color:var(--blue-dark);margin-bottom:16px;display:flex;align-items:center;gap:10px;border-bottom:2px solid var(--blue-soft);padding-bottom:8px}.matching-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.col-a .match-item,.col-b .match-item{background:#fff9;padding:12px 16px;border-radius:16px;margin-bottom:12px;font-weight:600}.col-a .match-item{border-left:4px solid var(--blue-soft);cursor:pointer;transition:all .2s}.col-a .match-item.selected{background:var(--blue-pale);border-left-color:var(--blue-dark)}.col-a .match-item.matched{background:#c8e6c9;border-left-color:#2e7d32;cursor:default}.col-b .match-item{border-right:4px solid var(--blue-soft);cursor:pointer;transition:all .2s}.col-b .match-item.matched-correct{background:#c8e6c9;border-right-color:#2e7d32;opacity:.8;cursor:default;pointer-events:none}.match-feedback{margin-top:16px;font-weight:700}.reset-match-btn,.reset-tf-btn{background:var(--blue-soft);border:none;border-radius:40px;padding:8px 20px;color:#fff;font-weight:700;margin-top:12px;cursor:pointer;transition:.2s}.reset-match-btn:hover,.reset-tf-btn:hover{background:var(--blue-dark);transform:translateY(-2px)}.tf-grid{display:flex;flex-direction:column;gap:12px}.tf-item{background:#ffffffb3;border-radius:20px;padding:16px 20px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:15px;border:1px solid rgba(44,95,138,.2)}.tf-text{font-weight:700;color:var(--blue-dark);font-size:1rem;flex:1}.tf-buttons{display:flex;gap:12px}.tf-btn{padding:8px 24px;border-radius:40px;border:none;font-weight:800;font-size:.9rem;cursor:pointer;transition:all .15s ease}.tf-btn-true{background:#c8e6c9;color:#2e7d32}.tf-btn-false{background:#ffcdd2;color:#c62828}.tf-btn.selected-true{background:#2e7d32;color:#fff;box-shadow:0 2px 8px #2e7d324d}.tf-btn.selected-false{background:#c62828;color:#fff;box-shadow:0 2px 8px #c628284d}.tf-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.tf-btn:hover:not(:disabled){transform:translateY(-2px)}.song-box{background:linear-gradient(135deg,#fffde7,#fff9c4 80%);border:2px solid rgba(255,193,7,.3);border-radius:28px;padding:28px 32px;margin-bottom:0}.stanza{margin-bottom:16px;padding:12px 18px;background:#fff9;border-left:6px solid #ffc107;border-radius:16px}.poem-line{font-size:1.12rem;font-weight:600;color:#3e2c00;line-height:1.7}.song-author{text-align:right;font-style:italic;font-weight:700;color:var(--blue-mid);font-size:1rem;margin-top:12px}.audio-row{display:flex;align-items:center;gap:14px;margin-top:24px;flex-wrap:wrap}.btn-play{background:var(--blue-dark);border:none;border-radius:60px;padding:14px 32px;color:#fff;font-family:Nunito,sans-serif;font-weight:800;font-size:1.05rem;cursor:pointer;display:flex;align-items:center;gap:10px;box-shadow:0 5px #0f2b44;transition:all .13s}.btn-play:active{transform:translateY(3px);box-shadow:0 2px #0f2b44}.btn-stop{background:#e74c3c;border:none;border-radius:60px;padding:14px 32px;color:#fff;font-family:Nunito,sans-serif;font-weight:800;font-size:1.05rem;cursor:pointer;display:flex;align-items:center;gap:10px;box-shadow:0 5px #922b21;transition:all .13s}.btn-stop:active{transform:translateY(3px);box-shadow:0 2px #922b21}.audio-status{font-size:.95rem;font-weight:700;color:#6c757d;font-style:italic}.two-column-layout{display:flex;gap:28px;margin-bottom:24px;flex-wrap:wrap}.poem-column{flex:2;min-width:280px}.questions-column{flex:1.2;min-width:260px;display:flex;flex-direction:column;gap:20px}.q-side-card{background:#ffffffb3;border:2px solid rgba(30,58,95,.15);border-radius:24px;padding:20px 22px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);transition:all .3s ease}.q-side-card.correct-answer{background:linear-gradient(135deg,#e8f5e9,#c8e6c9);border-color:#2e7d32;box-shadow:0 4px 15px #2e7d3233}.q-side-card.wrong-answer{background:linear-gradient(135deg,#ffebee,#ffcdd2);border-color:#c62828;box-shadow:0 4px 15px #c6282833}.q-side-title{font-size:1.1rem;font-weight:900;color:var(--blue-dark);margin-bottom:18px;display:flex;align-items:center;gap:8px;border-bottom:2px solid var(--blue-soft);padding-bottom:10px}.quiz-side-grid{display:flex;flex-direction:column;gap:12px}.quiz-side-btn{width:100%;margin:0;padding:14px 18px;font-size:.98rem;font-weight:800;border-radius:40px;border:2px solid #b7d4e8;background:linear-gradient(90deg,#e9f2f9 60%,#f1f7fc);color:var(--blue-dark);box-shadow:0 2px 8px #1e3a5f12;cursor:pointer;transition:all .18s;outline:none;text-align:center;line-height:1.3}.quiz-side-btn:hover{background:linear-gradient(90deg,#d6e6f5 60%,#e9f2f9);border-color:#5b8cbd;color:#0f2b44;transform:translateY(-2px) scale(1.02)}.quiz-side-btn.correct{background:linear-gradient(90deg,#a5d6a7 60%,#81c784);border-color:#2e7d32;color:#1b5e20}.quiz-side-btn.wrong{background:linear-gradient(90deg,#ef9a9a 60%,#e57373);border-color:#c62828;color:#b71c1c;animation:shake .18s 1}.quiz-side-btn:disabled{opacity:.7;cursor:not-allowed;transform:none}.story-book{background:#ffffffbf;border-radius:28px;padding:36px 44px;border:2px solid rgba(30,58,95,.13);box-shadow:0 4px 24px #1e3a5f12;position:relative;overflow:hidden}.story-book:before{content:"";position:absolute;left:0;top:0;bottom:0;width:6px;background:linear-gradient(180deg,var(--blue-soft),var(--blue-dark));border-radius:28px 0 0 28px}.story-title{font-size:1.55rem;font-weight:900;color:var(--blue-dark);margin-bottom:24px;padding-bottom:14px;border-bottom:2px dashed rgba(30,58,95,.15);display:flex;align-items:center;gap:10px}.story-content{display:flex;gap:28px;flex-wrap:wrap}.story-text{flex:2;min-width:280px}.story-image-container{flex:1;min-width:200px;max-width:280px;display:flex;flex-direction:column;align-items:center;justify-content:flex-start}.story-image-container img{width:100%;height:auto;border-radius:20px;box-shadow:0 8px 20px #0000001a;transition:transform .3s ease;object-fit:cover}.story-image-container img:hover{transform:scale(1.02)}.img-caption{margin-top:12px;font-size:.85rem;font-weight:600;color:var(--blue-mid);text-align:center;font-style:italic}.story-paragraph{font-size:1.08rem;font-weight:600;color:#2a3a4a;line-height:1.85;margin-bottom:16px;text-indent:2em;transition:background .2s;border-radius:8px;padding:4px 8px}.story-paragraph:first-of-type{text-indent:0}.story-paragraph:hover{background:#5b8cbd14}.story-source{margin-top:20px;font-size:.88rem;font-style:italic;color:var(--blue-mid);text-align:right;opacity:.7}.story-tts-bar{display:flex;align-items:center;gap:12px;background:#ffffffa6;border:1.5px solid rgba(30,58,95,.12);border-radius:60px;padding:10px 20px;margin-bottom:20px;flex-wrap:wrap}.btn-read-aloud{background:var(--blue-dark);border:none;border-radius:60px;padding:11px 28px;color:#fff;font-family:Nunito,sans-serif;font-weight:800;font-size:1rem;cursor:pointer;display:flex;align-items:center;gap:8px;box-shadow:0 4px #0f2b44;transition:all .13s}.btn-read-aloud:active{transform:translateY(2px);box-shadow:0 2px #0f2b44}.btn-read-aloud:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-stop-read{background:#e74c3c;border:none;border-radius:60px;padding:11px 28px;color:#fff;font-family:Nunito,sans-serif;font-weight:800;font-size:1rem;cursor:pointer;display:flex;align-items:center;gap:8px;box-shadow:0 4px #922b21;transition:all .13s}.btn-stop-read:active{transform:translateY(2px);box-shadow:0 2px #922b21}.story-status{font-size:.92rem;font-weight:700;color:var(--blue-mid);font-style:italic}.story-paragraph.reading-now{background:#ffc1072e;border-left:4px solid #ffc107;text-indent:0;padding-left:14px}.exercise-container{background:#ffffffbf;border-radius:28px;padding:28px 32px;margin-bottom:24px;border:2px solid rgba(30,58,95,.13)}.exercise-title{font-size:1.3rem;font-weight:900;color:var(--blue-dark);margin-bottom:24px;padding-bottom:12px;border-bottom:2px solid var(--blue-soft);display:flex;align-items:center;gap:10px}.question-item{margin-bottom:28px;padding:12px;border-radius:16px;background:#ffffff80}.question-item .question-text{font-weight:800;color:var(--blue-dark);margin-bottom:14px;font-size:1rem}.tf-row{display:flex;gap:16px;justify-content:flex-start}.option-btn{padding:12px 16px;border:2px solid #b7d4e8;border-radius:40px;background:linear-gradient(90deg,#e9f2f9,#f1f7fc);font-family:Nunito,sans-serif;font-weight:800;font-size:.95rem;color:var(--blue-dark);cursor:pointer;transition:all .2s;text-align:center}.tf-row .option-btn{min-width:120px;flex:0 1 auto}.option-btn:hover:not(:disabled){background:linear-gradient(90deg,#d6e6f5,#e9f2f9);transform:translateY(-2px)}.option-btn.correct{background:linear-gradient(90deg,#a5d6a7,#81c784);border-color:#2e7d32;color:#1b5e20}.option-btn.wrong{background:linear-gradient(90deg,#ef9a9a,#e57373);border-color:#c62828;color:#b71c1c;animation:shake .18s 1}.option-btn:disabled{opacity:.7;cursor:not-allowed}.exercise-nav{display:flex;justify-content:space-between;align-items:center;margin-top:24px;padding-top:20px;border-top:1.5px solid rgba(30,58,95,.1)}.nav-exercise-btn{background:var(--blue-dark);border:none;border-radius:60px;padding:12px 32px;color:#fff;font-weight:800;cursor:pointer;box-shadow:0 4px #0f2b44;transition:.13s}.nav-exercise-btn:active{transform:translateY(2px);box-shadow:0 2px #0f2b44}.nav-exercise-btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.exercise-counter{font-weight:800;color:var(--blue-mid);background:#2c5f8a1a;padding:8px 18px;border-radius:40px}.fill-blank-input{border:2px solid #b7d4e8;border-radius:40px;padding:10px 18px;font-family:Nunito,sans-serif;font-weight:700;width:220px;margin-right:12px;background:#f4f9fe}.fill-feedback{margin-left:12px;font-size:.9rem;font-weight:700}.btn-check-fill{background:var(--blue-dark);border:none;border-radius:40px;padding:10px 24px;color:#fff;font-weight:800;cursor:pointer;box-shadow:0 3px #0f2b44;transition:.13s}.btn-check-fill:active{transform:translateY(2px)}.order-container{display:flex;flex-direction:column;gap:12px;margin:16px 0;background:#fff9;border-radius:20px;padding:16px}.order-item{background:#ffffffe6;border:2px solid #b7d4e8;border-radius:16px;padding:14px 18px;display:flex;align-items:center;gap:14px;cursor:grab;-webkit-user-select:none;user-select:none;transition:all .2s;font-size:1rem;font-weight:700;color:var(--blue-dark)}.order-item:active{cursor:grabbing}.order-item.dragging{opacity:.4;border-style:dashed}.order-item.drag-over{border-color:var(--blue-soft);background:#d6e6f5;transform:scale(1.01)}.order-handle{font-size:1.3rem;cursor:grab;opacity:.5;flex-shrink:0}.order-number{width:32px;height:32px;border-radius:50%;background:var(--blue-dark);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:.9rem;flex-shrink:0}.order-item.order-correct{border-color:#2e7d32;background:linear-gradient(90deg,#e8f5e9,#c8e6c9)}.order-item.order-wrong{border-color:#c62828;background:linear-gradient(90deg,#ffebee,#ffcdd2)}.btn-check-order{background:var(--blue-dark);border:none;border-radius:40px;padding:12px 32px;color:#fff;font-weight:800;cursor:pointer;box-shadow:0 4px #0f2b44;margin-top:8px;width:100%}.btn-check-order:active{transform:translateY(2px)}.order-feedback{margin-top:12px;font-weight:800;text-align:center;padding:10px;border-radius:40px}.open-textarea{width:100%;min-height:120px;border:2px solid #b7d4e8;border-radius:16px;padding:12px 16px;font-family:Nunito,sans-serif;font-weight:600;background:#f4f9fe;resize:vertical}.open-hint{background:#5b8cbd17;border-radius:12px;padding:10px 14px;margin-bottom:14px;font-style:italic;font-size:.9rem}.grammar-card{background:#ffffffbf;border-radius:28px;padding:28px;margin-bottom:28px}.sentence-item{background:#fef7e0;border-radius:60px;padding:14px 22px;margin-bottom:14px;display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-weight:600;font-size:1rem}.sentence-text{flex:1;font-size:1rem;line-height:1.5}.blank-slot{display:inline-block;min-width:110px;background:#fff2df;border-bottom:3px solid #f9a826;border-radius:30px;padding:4px 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80px)}.left-panel{flex:2;background:#ffffffbf;border-radius:28px;padding:24px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.right-panel{flex:1;background:#2c5f8a26;border-radius:28px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;flex-direction:column;height:fit-content;max-height:100%;position:sticky;top:20px;border:1px solid rgba(255,255,255,.5)}.right-panel .options-title{background:var(--blue-dark);color:#fff;padding:18px;text-align:center;font-weight:800;border-radius:28px 28px 0 0;font-size:1.2rem}.right-options-scroll{padding:20px;display:flex;flex-direction:column;gap:14px;overflow-y:auto;max-height:500px}.right-option{background:#fff;border:2px solid var(--blue-soft);border-radius:60px;padding:14px;text-align:center;font-weight:800;font-size:1.2rem;cursor:pointer;transition:all .1s}.right-option:hover{background:#c8e6c9;transform:scale(1.02)}.right-option.selected-opt{background:#a5d6a7;border-color:#2e7d32;box-shadow:0 2px 8px 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dashed #1565c0}.noun-drop-box.drag-over{box-shadow:0 0 0 4px #ffa00073;transform:scale(1.015)}.drop-box-title{font-size:1rem;font-weight:900;margin-bottom:4px;display:flex;align-items:center;gap:8px}.box-countable .drop-box-title{color:#1b5e20}.box-uncountable .drop-box-title{color:#0d47a1}.drop-box-hint{font-size:.78rem;font-weight:700;opacity:.6;margin-bottom:6px}.drop-area{flex:1;min-height:90px;display:flex;flex-wrap:wrap;gap:8px;align-content:flex-start;padding:8px 4px}.placed-chip{padding:6px 16px;border-radius:40px;font-weight:800;font-size:.9rem;animation:popIn .22s ease}.box-countable .placed-chip{background:#c8e6c9;color:#1b5e20;border:2px solid #2e7d32}.box-uncountable .placed-chip{background:#bbdefb;color:#0d47a1;border:2px solid #1565c0}@keyframes popIn{0%{transform:scale(.7);opacity:0}to{transform:scale(1);opacity:1}}.noun-word-pool{background:#ffffffb3;border:2px solid rgba(30,58,95,.1);border-radius:22px;padding:16px 20px;margin-bottom:20px}.noun-word-pool 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cubic-bezier(.25,.8,.25,1);font-family:Nunito,sans-serif;color:var(--blue-dark);box-shadow:0 3px #1e3a5f0d;position:relative;overflow:hidden}.right-option-btn:active{transform:translateY(1px);box-shadow:0 1px #1e3a5f0d}.table-row{background:#fff;border-radius:24px;padding:24px 30px;margin-bottom:20px;display:flex;gap:24px;align-items:center;flex-wrap:wrap;border:1px solid rgba(30,58,95,.08);box-shadow:0 2px 8px #00000005;transition:all .2s}.table-row:hover{border-color:var(--blue-pale);transform:translate(2px)}.table-field-label{font-weight:900;background:#f4f6f8;color:var(--blue-dark);padding:10px 24px;border-radius:30px;font-size:.9rem;min-width:180px;text-align:center;flex-shrink:0;letter-spacing:.5px;text-transform:uppercase}.table-blank{display:inline-block;min-width:220px;background:#fffbf0;border:2px dashed #f9a826;border-radius:40px;padding:10px 30px;font-weight:800;color:#b45116;text-align:center;cursor:pointer;transition:all .25s cubic-bezier(.175,.885,.32,1.275);font-size:1.1rem;box-shadow:inset 0 2px 4px #00000008}.table-blank:hover{background:#fff8e1;border-color:#ffb74d;transform:scale(1.02);box-shadow:0 4px 12px #f9a82633}.table-blank.filled{background:#e8f5e9;border:2px solid #2e7d32;border-style:solid;color:#1b5e20;cursor:default;box-shadow:0 4px 12px #2e7d3233;animation:popIn .3s}.table-blank.wrong-attempt{background:#ffebee;border-color:#c62828;animation:shake .3s ease-in-out;border-style:solid}.speaker-label{font-weight:900;background:var(--blue-dark);color:#fff!important;padding:8px 16px;border-radius:30px;font-size:.9rem;min-width:50px;text-align:center;flex-shrink:0;box-shadow:0 2px 6px #0000001a}.pg-footer{display:flex;justify-content:flex-end;align-items:center;margin-top:auto;padding-top:22px;flex-wrap:wrap;gap:12px}.btn-check{background:#27ae60;border:none;border-radius:60px;padding:11px 28px;color:#fff;font-family:Nunito,sans-serif;font-weight:800;font-size:1rem;cursor:pointer;box-shadow:0 4px 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h3{font-weight:900;color:var(--blue-dark);margin:0}.close-popup{background:#e74c3c;border:none;width:36px;height:36px;border-radius:50%;color:#fff;font-weight:900;font-size:1.2rem;cursor:pointer;transition:.2s}.close-popup:hover{background:#c0392b}.quiz-question-container{margin-bottom:20px}.quiz-question-text{font-weight:800;color:var(--blue-dark);margin-bottom:20px;font-size:1.1rem}.quiz-options{display:flex;flex-direction:column;gap:12px;margin-bottom:20px}.quiz-option{display:flex;align-items:center;gap:14px;padding:12px 18px;background:#f4efe6;border-radius:60px;cursor:pointer;transition:all .2s;border:2px solid transparent;font-weight:600}.quiz-option:hover{background:#d6e6f5;transform:translate(5px)}.quiz-option.correct-highlight{background:linear-gradient(90deg,#a5d6a7,#81c784);border-color:#2e7d32}.quiz-option.wrong-highlight{background:linear-gradient(90deg,#ef9a9a,#e57373);border-color:#c62828}.quiz-feedback{margin-top:12px;font-size:.9rem;font-weight:700;padding:10px 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.15s}.ls-play:hover{background:#2c5f8a;transform:scale(1.08)}.ls-prog-row{display:flex;align-items:center;gap:8px}.ls-time{font-size:.68rem;font-weight:700;color:#2c5f8a;width:32px;text-align:center;font-variant-numeric:tabular-nums}.ls-track{flex:1;height:3px;background:#00000026;border-radius:99px;cursor:pointer}.ls-fill{height:100%;background:linear-gradient(90deg,#1e3a5f,#5b8cbd);border-radius:99px;width:0%;transition:width .3s linear;pointer-events:none}.hint-box{background:linear-gradient(135deg,#d6e6f5,#e8f0f8);border:2px solid #5b8cbd;border-radius:20px;padding:14px 20px;font-size:1rem;font-weight:600;color:#1e3a5f;display:flex;align-items:center;gap:8px;margin-bottom:18px}.quiz-wrapper{margin-top:16px}@keyframes 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var(--blue-soft);min-height:90px}.sit-label{font-size:.75rem;font-weight:900;color:var(--blue-mid);text-transform:uppercase;letter-spacing:.05em;margin-bottom:8px}.sit-text{font-size:1.1rem;font-weight:800;color:var(--blue-dark);margin-bottom:10px}.clue-badge{display:inline-block;background:#e6f1fb;color:#185fa5;border-radius:30px;font-size:.82rem;font-weight:800;padding:5px 14px}.dice-ans-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:16px}.dice-input{flex:1;min-width:180px;padding:10px 18px;border-radius:40px;border:2px solid var(--blue-pale);font-family:Nunito,sans-serif;font-size:.95rem;font-weight:700;color:var(--blue-dark);outline:none;transition:border-color .18s}.dice-input:focus{border-color:var(--blue-mid)}.model-ans-box{display:none;margin-top:12px;background:#e3f0fa;border-radius:14px;padding:12px 18px;font-size:.95rem;font-weight:700;color:var(--blue-dark)}.model-ans-box.show{display:block;animation:pgIn .2s 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16px;font-size:.92rem;font-weight:700;line-height:1.55;max-width:78%}.sc-txt.req{background:#e3f0fa;color:var(--blue-dark)}.sc-txt.resp{background:#e8f5e9;color:#1b5e20}.sc-lbl{font-size:.7rem;font-weight:900;opacity:.6;margin-bottom:3px}.group-badge-card{background:#fffae9;border-radius:60px;padding:12px 20px;margin-bottom:24px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;border:1px solid #ffe2aa;box-shadow:0 2px 8px #00000008}.group-label{font-weight:900;color:var(--blue-dark);background:#e3ecf3;padding:6px 18px;border-radius:60px}.member-tag{display:flex;gap:6px;flex-wrap:wrap;font-size:.85rem;font-weight:700;color:#4b6f3b}.sections-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:1.5rem;margin:1rem 0 1.8rem}.section-card{background:#ffffffd9;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);border-radius:28px;border:1px solid rgba(255,255,255,.7);overflow:hidden;transition:.2s;box-shadow:0 6px 14px #0000000d}.section-header{background:#dceafa;padding:1rem 1.5rem;font-weight:800;font-size:1.2rem;border-bottom:2px solid var(--blue-pale);display:flex;gap:10px;align-items:center}.notice-block{padding:1rem 1.5rem;border-bottom:1px solid #ecf3e6}.nepali-text{background:#f1ede4;padding:10px;border-radius:20px;font-family:monospace;font-weight:600;margin-bottom:8px;color:#2b4f2b}.eng-trans{color:#1e5a5a;font-weight:700;margin:6px 0;font-size:.9rem;background:#fef4e8;padding:6px 12px;border-radius:30px;display:inline-block}.btn-collect{background:var(--blue-mid);border:none;border-radius:40px;padding:8px 16px;font-weight:800;color:#fff;cursor:pointer;margin-top:8px;transition:.15s;font-size:.8rem}.btn-collect:disabled{background:#b0c4de;cursor:default;transform:none}.btn-collect:not(:disabled):hover{background:#0f4c6b;transform:scale(.97)}.chart-panel{background:#fef7e8;border-radius:1.5rem;padding:1.2rem;margin-top:1.8rem;box-shadow:inset 0 0 0 1px #ffe1aa,0 5px 12px #0000000d}.collected-badge{background:#fff;border-radius:40px;padding:8px 16px;margin:8px 0;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;border:1px solid #ecd9b4}.remove-req{background:#e2cfb3;border:none;border-radius:30px;padding:2px 12px;font-weight:700;cursor:pointer}.applicable-area{background:#f5f9ef;border-radius:24px;padding:18px;margin-top:20px}.applicable-item{background:#fff;border-radius:60px;margin:10px 0;padding:8px 16px;display:flex;align-items:center;gap:12px}.wallposter{background:#fffcf0;border-radius:1.8rem;border:3px dashed #aecf9e;padding:1.5rem;margin:1rem 0;text-align:center}.poster-header{background:#ffe2a4;padding:12px;border-radius:40px;font-weight:900;font-size:1.3rem}.poster-list{text-align:left;margin:16px 0;list-style-type:none}.poster-list li{background:#ecf5e6;margin:8px 0;padding:8px 16px;border-radius:40px}.btn-sticky{background:var(--blue-dark);border:none;border-radius:60px;padding:12px 28px;color:#fff;font-weight:800;cursor:pointer;margin-top:12px}.btn-reset-icon{background:#e4cfb3;border:none;border-radius:30px;padding:8px 16px;font-weight:700}.story-card{background:#ffffffe6;border-radius:28px;padding:28px;box-shadow:0 8px 24px #0000000d;border:1px solid #eee;margin-bottom:24px}.story-para{background:#fffef7;padding:14px 20px;border-radius:20px;margin-bottom:12px;font-size:.98rem;line-height:1.7;border-left:5px solid var(--mustard);cursor:pointer;transition:.2s;font-weight:500}.story-para:hover{background:#fff3e0;transform:translate(3px)}.dialogue-item{background:#fff;border-radius:24px;padding:20px 24px;margin-bottom:18px;display:flex;gap:20px;align-items:center;flex-wrap:wrap;border:1px solid rgba(30,58,95,.08)}.quote-text{flex:2;font-weight:700;font-style:italic;color:#2f2a24;font-size:1rem}.speaker-blank{display:inline-block;min-width:160px;background:#fffbf0;border:2px dashed var(--mustard);border-radius:40px;padding:10px 22px;font-weight:800;color:#b45116;text-align:center;cursor:pointer;transition:.2s;font-size:.95rem}.speaker-blank.filled{background:#e8f5e9;border:2px solid var(--correct-green);color:#1b5e20;border-style:solid}.speaker-blank.wrong-attempt{background:#ffebee;border-color:var(--wrong-red);animation:shake .3s}.sort-container{display:flex;gap:20px;flex-wrap:wrap;margin:20px 0}.sort-col h4{font-weight:900;color:var(--blue-dark);border-bottom:2px solid var(--mustard);padding-bottom:8px;margin-bottom:14px}.expr-card-sort{background:#fff;border-radius:50px;padding:10px 16px;margin-bottom:10px;display:flex;justify-content:space-between;align-items:center;gap:8px;font-weight:600;border:1px solid #ece0cf;box-shadow:0 1px 3px #0000000d}.expr-text-sm{flex:1;font-size:.85rem}.move-btns{display:flex;gap:6px}.icon-move{background:#e5d9ca;border:none;border-radius:30px;padding:4px 12px;font-size:.7rem;font-weight:800;cursor:pointer}.icon-move.req{background:#e1b382;color:#fff}.icon-move.res{background:#8db7aa;color:#fff}.dice-area{background:#f8f2e6;border-radius:28px;padding:28px;text-align:center}.dice-btn{background:var(--blue-dark);border:none;color:#fff;font-size:1.5rem;padding:14px 28px;border-radius:60px;font-weight:700;cursor:pointer;margin-bottom:20px}.situation-card{background:#fff;border-radius:28px;padding:20px;margin:16px 0}.request-input{width:100%;padding:14px;border-radius:60px;border:2px solid var(--blue-pale);margin-top:12px;font-family:monospace;font-size:1rem}.roleplay-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;margin-top:12px}.role-card{background:#fff;border-radius:28px;padding:18px;border-left:8px solid var(--mustard);cursor:pointer;transition:.15s}.role-card:hover{transform:scale(1.01);background:#fffef5}.speech-bubble{background:#f5efe0;border-radius:16px;padding:10px;margin-top:8px}.btn-check-answer{background:#2c5f8a;border:none;border-radius:60px;padding:12px 32px;color:#fff;font-weight:800;margin-top:16px;margin-left:12px;cursor:pointer;box-shadow:0 4px #1e3a5f;transition:all .15s}.btn-check-answer:active{transform:translateY(2px);box-shadow:0 2px #1e3a5f}.btn-check-answer:hover{transform:translateY(-2px);background:var(--blue-mid)}.letter-card{background:#ffffffbf;border:2px solid rgba(30,58,95,.15);border-radius:28px;padding:20px 26px;margin-bottom:24px;transition:.2s}.letter-card h3{font-weight:800;color:var(--blue-dark);border-left:6px solid var(--blue-mid);padding-left:14px;margin-bottom:16px}.sample-letter-body{background:#fefcf7;border-radius:20px;padding:20px;font-family:monospace;font-size:.9rem;white-space:pre-line;border:1px solid #cbd5e0;margin:15px 0}.btn-read,.btn-copy-sample{background:var(--blue-mid);border:none;border-radius:40px;padding:8px 20px;font-weight:700;color:#fff;margin-right:12px}.builder-form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px 28px}.builder-field{display:flex;flex-direction:column;gap:6px}.builder-field label{font-weight:800;color:var(--blue-dark);font-size:.85rem}.builder-field input,.builder-field select,.builder-field textarea{padding:10px 16px;border-radius:60px;border:2px solid var(--blue-soft);background:#fefdfa;font-family:Nunito,sans-serif;font-weight:600}.builder-field textarea{border-radius:24px;resize:vertical}.preview-letter{background:#f1f7fe;border-radius:28px;padding:20px;margin-top:24px;border:1px solid var(--blue-soft)}.preview-letter h4{font-weight:900;color:var(--blue-dark)}.letter-preview-text{background:#fff;padding:16px;border-radius:20px;font-family:monospace;white-space:pre-line;font-size:.85rem}.action-buttons{display:flex;gap:14px;flex-wrap:wrap;margin:18px 0 8px}.btn-primary-custom{background:var(--blue-dark);border:none;border-radius:60px;padding:10px 26px;font-weight:800;color:#fff;transition:.2s}.btn-secondary-custom{background:#f39c12;border:none;border-radius:60px;padding:10px 26px;font-weight:800;color:#fff}.rules-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:22px}.rule-card{background:#ffffffc7;border:2px solid rgba(30,58,95,.12);border-radius:16px;padding:14px 16px;display:flex;align-items:flex-start;gap:10px;box-shadow:0 3px 10px #0000000f}.rule-icon{font-size:1.4rem;flex-shrink:0}.rule-title{font-size:.95rem;font-weight:900;color:var(--blue-dark);margin-bottom:3px}.rule-text{font-size:.88rem;font-weight:700;color:var(--blue-dark);line-height:1.55}.step-card{background:#ffffffc7;border:2px solid rgba(30,58,95,.12);border-radius:20px;margin-bottom:14px;overflow:hidden;box-shadow:0 3px 10px #00000012;transition:all .18s ease}.step-card:hover{box-shadow:0 8px 22px #1e3a5f21}.step-card.open{border-color:var(--blue-soft)}.step-header{display:flex;align-items:center;gap:14px;padding:16px 20px;cursor:pointer;-webkit-user-select:none;user-select:none}.step-num-badge{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1rem;font-weight:900;color:#fff;flex-shrink:0}.step-title-wrap{flex:1}.step-title{font-size:1.05rem;font-weight:900;color:var(--blue-dark)}.step-label{font-size:.78rem;font-weight:800;color:var(--blue-mid)}.step-arrow{font-size:1.1rem;color:var(--blue-mid);transition:transform .22s ease;flex-shrink:0}.step-card.open .step-arrow{transform:rotate(90deg)}.step-body{display:none;padding:0 22px 20px 70px;font-size:.95rem;font-weight:700;color:#444;line-height:1.7}.step-card.open .step-body{display:block;animation:pgIn .2s ease}.step-desc{margin-bottom:12px}.step-example{background:var(--blue-pale);border-left:4px solid var(--blue-soft);border-radius:0 12px 12px 0;padding:12px 16px;font-size:.9rem;font-weight:700;color:var(--blue-dark);white-space:pre-line;margin-bottom:12px;line-height:1.8}.step-actions{display:flex;gap:10px;flex-wrap:wrap}.btn-speak{background:var(--blue-dark);border:none;border-radius:30px;padding:9px 20px;color:#fff;font-family:Nunito,sans-serif;font-weight:800;font-size:.88rem;cursor:pointer;display:flex;align-items:center;gap:7px;box-shadow:0 4px #0f2b44;transition:all .13s}.btn-speak:active{transform:translateY(2px);box-shadow:0 2px #0f2b44}.btn-speak.speaking{background:var(--amber);box-shadow:0 4px 0 var(--amber-dk);color:#fff}.sample-letter{background:#ffffffd9;border:2px solid rgba(30,58,95,.14);border-radius:20px;overflow:hidden;margin-bottom:22px;box-shadow:0 4px 16px #00000014}.sample-header{background:var(--blue-dark);color:#fff;padding:12px 22px;font-weight:900;font-size:1rem;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.sample-body{padding:22px 28px;font-size:.95rem;font-weight:700;color:#333;line-height:2;white-space:pre-line}.s-heading{color:#1565c0;font-weight:800}.s-recipient{color:#2e7d32;font-weight:800}.s-subject{color:#e65100;font-weight:800;font-style:italic}.s-body{color:#333}.s-closing{color:#c62828;font-weight:800}.s-signature{color:#6a1b9a;font-weight:800}.btn-read-letter{background:var(--blue-dark);border:none;border-radius:30px;padding:8px 18px;color:#fff;font-family:Nunito,sans-serif;font-weight:800;font-size:.85rem;cursor:pointer;box-shadow:0 3px #0f2b44;transition:all .13s;display:flex;align-items:center;gap:6px}.btn-read-letter:active{transform:translateY(2px);box-shadow:0 1px #0f2b44}.btn-read-letter.speaking{background:var(--amber);box-shadow:0 3px 0 var(--amber-dk)}.form-card{background:#ffffffc7;border:2px solid rgba(30,58,95,.12);border-radius:20px;padding:20px 22px;margin-bottom:18px;box-shadow:0 3px 10px #00000012}.form-card-title{font-size:1rem;font-weight:900;color:var(--blue-dark);margin-bottom:14px;display:flex;align-items:center;gap:8px}.field-wrap{margin-bottom:13px}.field-label{display:block;font-size:.83rem;font-weight:800;color:var(--blue-mid);margin-bottom:5px}.req{color:var(--wrong-red);margin-left:2px}.field-input,.field-textarea,.field-select{width:100%;border:2px solid rgba(30,58,95,.15);border-radius:12px;padding:11px 14px;font-family:Nunito,sans-serif;font-size:.93rem;font-weight:700;color:var(--blue-dark);background:#ffffffe0;outline:none;transition:border-color .2s}.field-input:focus,.field-textarea:focus,.field-select:focus{border-color:var(--blue-soft);box-shadow:0 0 0 3px #5b8cbd2e}.field-textarea{resize:vertical;min-height:80px;line-height:1.7}.field-hint{font-size:.74rem;font-weight:700;color:#aaa;margin-top:4px}.btn-generate{background:var(--blue-dark);border:none;border-radius:60px;padding:16px 44px;color:#fff;font-family:Nunito,sans-serif;font-weight:900;font-size:1.1rem;cursor:pointer;display:flex;align-items:center;gap:10px;box-shadow:0 5px #0f2b44;transition:all .13s;margin:4px auto 22px}.btn-generate:active{transform:translateY(3px);box-shadow:0 2px #0f2b44}.btn-generate:hover{background:var(--blue-mid)}.generated-box{display:none;background:#ffffffeb;border:2px solid rgba(30,58,95,.18);border-radius:20px;overflow:hidden;margin-bottom:22px;box-shadow:0 4px 16px #0000001a;animation:pgIn .3s ease}.generated-box.visible{display:block}.gen-header{background:var(--blue-dark);color:#fff;padding:14px 24px;font-weight:900;font-size:1rem;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.gen-actions{display:flex;gap:10px;flex-wrap:wrap}.btn-copy-letter{background:#ffffff2e;border:2px solid rgba(255,255,255,.45);border-radius:30px;padding:8px 18px;color:#fff;font-family:Nunito,sans-serif;font-weight:800;font-size:.85rem;cursor:pointer;transition:all .15s;display:flex;align-items:center;gap:6px}.btn-copy-letter:hover{background:#ffffff4d}.gen-body{padding:26px 34px;font-size:.97rem;font-weight:700;color:#2a2a2a;line-height:2.1}.gen-heading{color:#1565c0;font-weight:800;display:block}.gen-recipient,.gen-salutation{color:#2e7d32;font-weight:800;display:block}.gen-subject{color:#e65100;font-weight:800;font-style:italic;display:block}.gen-para{color:#2a2a2a;display:block}.gen-closing{color:#c62828;font-weight:800;display:block}.gen-signature{color:#6a1b9a;font-weight:800;display:block}.gen-blank{display:block;height:8px}.field-error{border-color:var(--wrong-red)!important;box-shadow:0 0 0 3px #c6282826!important}.field-error-msg{font-size:.75rem;font-weight:800;color:var(--wrong-red);margin-top:3px}.reply-card{background:#ffffffeb;border-radius:32px;box-shadow:0 12px 28px #00000014;overflow:hidden;margin:24px 0}.reply-card-header{display:flex;align-items:center;justify-content:space-between;background:#f8fafc;padding:18px 24px;border-bottom:1px solid #e9edf2;flex-wrap:wrap;gap:12px}.reply-card-title{font-size:1.3rem;font-weight:700;color:#1e3a5f;display:flex;align-items:center;gap:8px}.reply-card-actions{display:flex;gap:12px}.btn-reply-read{border:none;border-radius:40px;padding:8px 18px;font-size:.85rem;font-weight:600;font-family:inherit;cursor:pointer;transition:all .2s ease;display:inline-flex;align-items:center;gap:6px;background:#2c5f2d;color:#fff}.btn-reply-read:hover{background:#1f4520;transform:translateY(-1px)}.reply-card-body{padding:28px 32px;font-size:1rem;line-height:1.65;white-space:pre-wrap;color:#1f2d3d}.study-heading{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}.word-highlight{background:transparent;color:#1a1a2e;border-radius:4px;padding:0 2px;font-weight:700}.speech-word.active-word{background-color:#ffeb3b;color:#1e3a5f;border-radius:4px;transition:background .05s linear}.highlight-word{cursor:pointer;text-decoration:underline;text-decoration-style:dotted;text-underline-offset:3px;background-color:transparent;padding:0 4px;border-radius:12px}.highlight-word:hover{background-color:transparent;color:var(--blue-dark)}.syllables-intro{background:linear-gradient(135deg,#e8f0f8,#f4efe6);border-radius:24px;padding:18px 24px;margin-bottom:24px;font-weight:700;color:var(--blue-dark)}.rare-question-card{background:linear-gradient(135deg,#fff3e0,#ffe0b5);border-radius:28px;padding:24px;margin-bottom:28px;text-align:center;border:2px solid var(--mustard)}.rare-word{font-size:2rem;font-weight:900;color:var(--blue-dark);margin-bottom:16px}.rare-buttons{display:flex;gap:16px;justify-content:center;margin:16px 0}.syllable-answer-btn{background:var(--blue-dark);border:none;border-radius:60px;padding:12px 28px;color:#fff;font-weight:800;cursor:pointer;transition:all .2s}.syllable-answer-btn:hover{transform:translateY(-2px);background:var(--blue-mid)}.syllable-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:20px;margin:20px 0}.syllable-card{background:linear-gradient(135deg,#fff,#f0f4f8);border-radius:24px;padding:20px;text-align:center;cursor:pointer;transition:all .25s ease;border:1px solid rgba(124,185,232,.3)}.syllable-card:hover{transform:translateY(-5px);border-color:var(--blue-soft);box-shadow:0 12px 24px #0000001a}.syllable-card.speaking{background:#d4e8ff;transform:scale(.98)}.syllable-word{font-size:1.3rem;font-weight:800;color:var(--blue-dark);margin-bottom:8px}.syllable-example{font-size:.85rem;font-weight:600;color:var(--blue-mid);margin-bottom:10px}.syllable-hint{font-size:.7rem;color:var(--blue-soft);font-weight:600}.syllable-tip{background:#e8f0f8;border-radius:20px;padding:16px 20px;margin:20px 0;border-left:5px solid var(--mustard)}.section-title{font-size:1.1rem;font-weight:900;color:var(--blue-dark);margin-bottom:16px;padding-bottom:8px;border-bottom:2px solid var(--blue-soft)}.two-panel-exercise{display:flex;gap:28px;flex-wrap:wrap}.grammar-table-wrapper{background:#ffffffd9;border-radius:28px;padding:24px;margin-bottom:24px;overflow-x:auto;box-shadow:0 4px 12px #0000000d}.tense-table{width:100%;border-collapse:collapse;background:#fff;border-radius:20px;overflow:hidden}.tense-table th,.tense-table td{padding:14px 18px;border-bottom:1px solid #e2e8f0;text-align:left;font-weight:600;vertical-align:top}.tense-table th{background:#2c5f8a;color:#fff;font-weight:800;text-transform:uppercase;font-size:.9rem}.tense-table tr:last-child td{border-bottom:none}.highlight-cell{background-color:#fff3cd;border-radius:8px;padding:4px 8px;font-weight:800;color:#b45116;display:inline-block;border:1px solid #ffeeba}.grammar-note{background:#e8f0f8;border-left:5px solid var(--mustard);padding:16px 20px;border-radius:12px;font-weight:700;color:#2c3e50;margin-top:16px;line-height:1.6}.speak-table-btn{background:#1e3a5f;border:none;border-radius:60px;padding:10px 24px;color:#fff;font-weight:800;margin-top:16px;cursor:pointer;display:inline-flex;align-items:center;gap:8px;transition:all .2s;box-shadow:0 4px #0f2b44}.speak-table-btn:hover{background:#2c5f8a;transform:translateY(-2px)}.speak-table-btn:active{transform:translateY(1px);box-shadow:0 2px #0f2b44}.stop-speech-btn{background:#c62828;border:none;border-radius:60px;padding:10px 24px;color:#fff;font-weight:800;margin-left:12px;cursor:pointer;display:inline-flex;align-items:center;gap:8px;transition:all .2s;box-shadow:0 4px #8e0000}.stop-speech-btn:hover{background:#b71c1c;transform:scale(1.02)}.stop-speech-btn:active{transform:scale(.98)}.popout-story{background:#fffef7;border-radius:28px;padding:28px 32px;margin-top:24px;border:2px solid var(--mustard);box-shadow:0 12px 28px #0000001a;animation:slideDown .4s cubic-bezier(.175,.885,.32,1.275);max-height:500px;overflow-y:auto;z-index:10}.popout-story.hidden{display:none}.popout-story .story-title{font-size:1.5rem;font-weight:900;color:var(--blue-dark);border-left:6px solid var(--mustard);padding-left:20px;margin-bottom:20px;display:flex;justify-content:space-between;align-items:center}.popout-story .story-paragraph{font-size:1.05rem;line-height:1.8;margin-bottom:20px;font-weight:600;color:#2c3e4e;text-indent:1.5em}.popout-story .story-paragraph:first-of-type{text-indent:0}.close-story{background:#0000000d;border:none;width:32px;height:32px;border-radius:50%;font-size:1.2rem;cursor:pointer;display:flex;align-items:center;justify-content:center;font-weight:800;color:#666;transition:all .2s;flex-shrink:0}.close-story:hover{background:#ffebee;color:#c62828;transform:rotate(90deg)}@keyframes slideDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.text-story-btn{background:linear-gradient(135deg,#1e3a5f,#2c5f8a);border:none;border-radius:60px;padding:12px 32px;font-weight:800;font-size:1rem;color:#fff;cursor:pointer;display:inline-flex;align-items:center;gap:10px;transition:all .2s;box-shadow:0 4px #0f2b44}.text-story-btn:hover{transform:translateY(-2px);background:linear-gradient(135deg,#2c5f8a,#3a749e);box-shadow:0 6px #0f2b44}.text-story-btn:active{transform:translateY(1px);box-shadow:0 2px #0f2b44}.discuss-card{background:#fffffff2;border-radius:32px;padding:32px;box-shadow:0 12px 30px #0000000d;border:1px solid rgba(255,255,255,.8)}.discuss-question{font-size:1.4rem;font-weight:900;color:var(--blue-dark);margin-bottom:24px;border-left:6px solid #f9a826;padding-left:24px;line-height:1.4}textarea{width:100%;border-radius:20px;border:2px solid var(--blue-pale);padding:20px;font-family:Nunito,sans-serif;font-size:1rem;line-height:1.6;resize:vertical;transition:.2s;background:#fafdff;color:#334e68}textarea:focus{outline:none;border-color:var(--blue-mid);box-shadow:0 0 0 4px #2c5f8a1a;background:#fff}.festival-para{background:#f5f9ff;padding:16px 24px;border-radius:16px;margin-bottom:16px;font-size:1rem;border-left:4px solid var(--blue-soft);font-weight:600;line-height:1.8;color:#222;cursor:pointer;transition:all .2s}.festival-para:hover{background:#e1effa;transform:translate(6px)}.festival-para.speaking{background:#fff5fb;border-color:#e91e8c;box-shadow:0 4px 18px #e91e8c2e}.btn-group{display:flex;gap:16px;margin-top:24px;flex-wrap:wrap;align-items:center}.habits-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px;margin-top:16px}.habit-input-wrap{background:#f5f9ff;border-radius:16px;padding:12px 16px;border:2px dashed #b0c9e0;display:flex;align-items:center;gap:10px}.habit-num{font-weight:900;color:var(--blue-dark);font-size:1rem;min-width:20px}.habit-input{border:none;background:transparent;font-family:Nunito,sans-serif;font-weight:700;font-size:1rem;color:var(--blue-dark);outline:none;flex:1}.habit-input::placeholder{color:#aac4df}.audio-section{background:var(--blue-dark);border-radius:24px;padding:28px;margin-bottom:20px;color:#fff;display:flex;align-items:center;gap:24px;box-shadow:0 10px 30px #1e3a5f4d}.audio-icon{font-size:3.5rem;flex-shrink:0}.audio-info{flex:1}.audio-title{font-size:1.2rem;font-weight:900;margin-bottom:4px}.audio-desc{font-size:.9rem;opacity:.75;font-weight:600;margin-bottom:16px}.play-btn{background:#f9a826;border:none;border-radius:50px;padding:12px 32px;color:var(--blue-dark);font-family:Nunito,sans-serif;font-weight:900;font-size:1.05rem;cursor:pointer;display:inline-flex;align-items:center;gap:8px;box-shadow:0 4px #c07e0f;transition:all .13s;margin-right:12px}.play-btn:active{transform:translateY(2px);box-shadow:0 2px #c07e0f}.play-btn.playing{background:#e74c3c;box-shadow:0 4px #a93226}.progress-bar-wrap{height:8px;background:#fff3;border-radius:99px;margin-top:12px;overflow:hidden}.progress-bar-fill{height:8px;background:#f9a826;border-radius:99px;transition:width .3s linear;width:0%}.transcript-card{background:#ffffffe6;border-radius:24px;padding:24px 28px;margin-bottom:20px;border-left:5px solid var(--blue-soft)}.transcript-title{font-size:1rem;font-weight:900;color:var(--blue-dark);margin-bottom:14px;display:flex;align-items:center;gap:8px}.transcript-para{background:#f5f9ff;border-radius:16px;padding:12px 20px;margin-bottom:10px;font-size:.97rem;border-left:4px solid var(--blue-soft);font-weight:600;line-height:1.75;color:#222;cursor:pointer;transition:all .2s}.transcript-para:hover{background:#e1effa;transform:translate(4px)}.transcript-para.speaking{background:#fff5fb;border-color:#e91e8c;box-shadow:0 4px 18px #e91e8c2e}.habit-list-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;margin-top:16px}.habit-chip{background:#fff;border-radius:20px;padding:16px 20px;border:2px solid var(--blue-pale);font-weight:700;color:var(--blue-dark);font-size:.95rem;display:flex;align-items:center;gap:10px;box-shadow:0 2px 8px #0000000a;cursor:pointer;transition:all .2s;-webkit-user-select:none;user-select:none}.habit-chip:hover{background:#e3f0fa;border-color:var(--blue-soft);transform:translateY(-2px)}.habit-chip.checked{background:var(--blue-dark);color:#fff;border-color:var(--blue-dark);box-shadow:0 6px 16px #1e3a5f4d}.habit-chip .chip-icon{font-size:1.3rem;flex-shrink:0}.habit-chip .chip-label{flex:1}.habit-chip .chip-check{font-size:1.2rem;opacity:0;transition:opacity .2s}.habit-chip.checked .chip-check{opacity:1}.share-box{background:#ffffffe6;border-radius:20px;padding:20px 24px;margin-top:20px;border:2px dashed #b0c9e0}.share-box-title{font-weight:900;color:var(--blue-dark);font-size:1rem;margin-bottom:10px}.share-box-text{font-weight:600;color:#334e68;font-size:.97rem;line-height:1.7}.text-center{text-align:center}.text-right{text-align:right}.text-left{text-align:left}.text-justify{text-align:justify}.font-light{font-weight:300}.font-normal{font-weight:400}.font-bold{font-weight:700}.font-black{font-weight:900}.mt-2{margin-top:8px}.mt-3{margin-top:16px}.mt-4{margin-top:24px}.mb-2{margin-bottom:8px}.mb-3{margin-bottom:16px}.mb-4{margin-bottom:24px}.text-muted{color:#6c757d}.text-primary{color:var(--blue-dark)}.text-success{color:var(--correct-green)}.text-danger{color:var(--wrong-red)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,.select:focus-visible{outline:3px solid var(--mustard);outline-offset:2px}@media 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#eee;margin-bottom:20px}.warmup-q{font-size:1.1rem;font-weight:800;color:var(--blue-dark);margin-bottom:10px}.warmup-hint{font-size:.95rem;color:#666;line-height:1.6}.study-card{background:#ffffffe6;border-radius:28px;padding:28px;margin-bottom:20px}.rule-sentence{background:#f5f9ff;padding:12px 20px;border-radius:16px;margin-bottom:10px;border-left:4px solid var(--blue-soft);font-weight:600;line-height:1.75;cursor:pointer;transition:all .2s}.rule-sentence:hover{background:#e1effa;transform:translate(4px)}.rule-sentence.speaking{background:#fff5fb;border-color:#e91e8c;box-shadow:0 4px 18px #e91e8c2e}.highlight-word{background:#f9e45b;color:var(--blue-dark);font-weight:800;padding:0 4px;border-radius:12px;cursor:pointer}.two-panel-wrap{display:flex;gap:40px;flex:1;min-height:0;margin-bottom:20px}.two-panel-left{flex:2.5;background:#ffffffd9;border-radius:32px;padding:32px;overflow-y:auto;box-shadow:0 4px 20px #00000008;border:1px solid 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.speak-icon{opacity:1;transform:scale(1.1)}.mcq-exercise-card{background:linear-gradient(135deg,#fff,#f8fbff);border:2px solid #e6effc;border-radius:20px;padding:24px;margin-bottom:20px;transition:all .3s ease}.mcq-exercise-card[data-answered=true]{border-color:#b8e986;background:linear-gradient(135deg,#fff,#f1f8e9)}.mcq-exercise-q{font-size:1.1rem;font-weight:700;color:var(--blue-dark);margin-bottom:18px;line-height:1.5}.mcq-exercise-opts{display:flex;flex-wrap:wrap;gap:10px}.mcq-opt-btn{padding:10px 20px;border:2px solid #d4e4ff;background:#fff;border-radius:50px;cursor:pointer;font-size:.95rem;font-weight:700;color:#4a5a6a;transition:all .2s ease;font-family:Nunito,sans-serif}.mcq-opt-btn:hover:not(:disabled){border-color:#5b8cbd;background:#f0f7ff;transform:translateY(-2px)}.mcq-opt-btn.mcq-correct{background:var(--correct-green)!important;border-color:var(--correct-green)!important;color:#fff!important;box-shadow:0 4px 12px 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.s-sub{display:none}.nav-list{flex-direction:row;flex-wrap:nowrap;overflow-x:auto;gap:8px;padding-bottom:0}.nav-btn{padding:8px 16px;white-space:nowrap;font-size:.9rem}.nav-btn .num{display:none}.content-panel{padding:20px}}.sidebar{width:280px;min-width:240px;flex-shrink:0;background:var(--sidebar-bg);border-right:1.5px solid rgba(30,58,95,.1);display:flex;flex-direction:column;padding:32px 20px 24px}.sidebar-top{text-align:center;margin-bottom:28px}.sidebar-top .s-emoji{font-size:3rem;display:block;transform:rotate(-10deg);margin-bottom:8px;filter:drop-shadow(0 2px 4px rgba(0,0,0,.12))}.sidebar-top .s-title{font-size:1.3rem;font-weight:900;color:var(--blue-dark);line-height:1.2}.sidebar-top .s-sub{font-size:.95rem;font-weight:700;color:var(--blue-mid)}.nav-list{display:flex;flex-direction:column;gap:14px;flex:1}.nav-btn{width:100%;background:var(--cream);border:2px solid transparent;border-radius:60px;padding:16px 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#0000000a}.dialogue-row{display:flex;gap:14px;align-items:flex-end}.dialogue-row.right{flex-direction:row-reverse}.avatar{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.4rem;flex-shrink:0;box-shadow:0 3px 10px #0000001a}.avatar.left-av{background:linear-gradient(135deg,#1e3a5f,#2a6dd9)}.avatar.right-av{background:linear-gradient(135deg,#e91e8c,#9c27b0)}.bubble{max-width:62%;padding:12px 18px;border-radius:20px;font-weight:600;font-size:.97rem;line-height:1.55;cursor:pointer;transition:all .18s;position:relative;box-shadow:0 3px 10px #00000014;-webkit-user-select:none;user-select:none}.bubble.left-bubble{background:#f0f6ff;border:2px solid #d4e3ff;color:#1a2a40;border-bottom-left-radius:6px}.bubble.right-bubble{background:#fce4f4;border:2px solid #f3b8e2;color:#4a1040;border-bottom-right-radius:6px}.bubble:hover{transform:scale(1.02);box-shadow:0 6px 18px #00000024}.bubble.speaking.left-bubble{background:#dbeeff;border-color:#2a6dd9;box-shadow:0 4px 18px #2a6dd940}.bubble.speaking.right-bubble{background:#ffe0f5;border-color:#e91e8c;box-shadow:0 4px 18px #e91e8c40}.bubble-speaker{font-size:.72rem;font-weight:900;text-transform:uppercase;letter-spacing:.05em;opacity:.55;margin-bottom:4px}.speak-icon{font-size:.85rem;opacity:.4;margin-left:6px;vertical-align:middle}.char-legend{display:flex;gap:20px;justify-content:center;margin-bottom:16px;flex-wrap:wrap}.char-chip{display:flex;align-items:center;gap:8px;background:#fff;border-radius:40px;padding:8px 18px;font-weight:800;font-size:.9rem;color:var(--blue-dark);box-shadow:0 2px 8px #00000012;border:1.5px solid #e3eaf5}.exercise-block{background:#ffffffe0;border-radius:24px;padding:26px 28px;margin-bottom:20px;box-shadow:0 3px 14px #0000000a;border:1px solid rgba(255,255,255,.6)}.exercise-title{font-size:1rem;font-weight:900;color:var(--blue-dark);margin-bottom:18px;padding-left:14px;border-left:5px solid #f9a826}.mcq-card{background:#fff;border-radius:18px;padding:18px 20px;margin-bottom:14px;border:1.5px solid #e8f0ff;box-shadow:0 2px 8px #00000008;transition:border-color .2s}.mcq-card[data-answered=true]{border-color:var(--correct-green);background:linear-gradient(135deg,#f0faf2,#e8f5e9)}.mcq-q{font-size:.97rem;font-weight:700;color:#1e3a5f;margin-bottom:14px;line-height:1.5}.mcq-opts{display:flex;flex-wrap:wrap;gap:10px}.mcq-btn{padding:10px 20px;border:2.5px solid #5b8dee;background:linear-gradient(135deg,#fff,#f0f5ff);border-radius:50px;cursor:pointer;font-size:.88rem;font-weight:700;color:#2c3e6b;transition:all .18s ease;box-shadow:0 3px 8px #5b8dee1a;display:flex;align-items:center;gap:6px;font-family:Nunito,sans-serif}.mcq-btn:hover:not(:disabled){background:linear-gradient(135deg,#e8f0ff,#d4e3ff);border-color:#3a6fd8;transform:translateY(-2px)}.mcq-prefix{font-size:.72rem;font-weight:900;color:#2c5f8a;opacity:.65;min-width:18px}.mcq-btn.mcq-correct{background:linear-gradient(135deg,#43e97b,#38f9d7)!important;border-color:#27ae60!important;color:#fff!important;transform:translateY(-2px) scale(1.04);cursor:default}.mcq-btn.mcq-wrong{background:linear-gradient(135deg,#ff6b6b,#ff4757)!important;border-color:#c0392b!important;color:#fff!important;animation:mcqShake .45s ease}@keyframes mcqShake{0%,to{transform:translate(0)}25%{transform:translate(-6px)}75%{transform:translate(6px)}}.mcq-fb{min-height:18px;margin-top:10px;font-size:.86rem;font-weight:700}.fb-correct{color:#27ae60}.fb-wrong{color:#e74c3c}.score-panel{background:#ffffffe6;border-radius:20px;padding:22px 26px;margin-top:14px;display:none;border:1px solid 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#0f2b44;transition:all .13s}.btn-next:active{transform:translateY(3px);box-shadow:0 2px #0f2b44}.btn-reset{background:#f39c12;border:none;border-radius:60px;padding:10px 26px;color:#fff;font-family:Nunito,sans-serif;font-weight:800;font-size:.95rem;cursor:pointer;margin-top:14px;box-shadow:0 4px #c07e0f;transition:all .13s;display:inline-block}.btn-reset:active{transform:translateY(2px);box-shadow:0 2px #c07e0f}.toast-msg{position:fixed;bottom:30px;left:50%;transform:translate(-50%);background-color:var(--blue-dark);color:#fff;padding:12px 28px;border-radius:60px;z-index:9999;font-weight:700;box-shadow:0 4px 12px #0003;font-family:Nunito,sans-serif;font-size:1rem;white-space:nowrap;animation:slideUp .3s ease}@keyframes slideUp{0%{opacity:0;transform:translate(-50%,20px)}to{opacity:1;transform:translate(-50%)}}@media (max-width: 900px){body{height:auto;overflow:auto;align-items:flex-start}.blob{display:none}.canvas{flex-direction:column;width:100vw;height:auto;min-height:100vh;border-radius:0;border:none}.sidebar{width:100%;flex-direction:row;flex-wrap:wrap;padding:16px;gap:10px;border-right:none;border-bottom:1.5px solid rgba(30,58,95,.12)}.sidebar-top{margin-bottom:0}.sidebar-foot{display:none}.nav-list{flex-direction:row;flex-wrap:wrap;flex:unset}.nav-btn{flex:1 1 auto;min-width:100px;font-size:.88rem;padding:10px 12px}.content-panel{padding:20px 18px;overflow-y:visible;max-height:none}.bubble{max-width:80%}}.tick-card{background:#ffffffe6;border-radius:28px;padding:28px 32px;margin-bottom:20px}.tick-pair{background:#fff;border-radius:20px;padding:18px 22px;margin-bottom:20px;border:1px solid var(--blue-pale);box-shadow:0 2px 8px #00000008}.tick-option{display:flex;justify-content:space-between;align-items:center;padding:10px 16px;margin:8px 0;background:#f8fafc;border-radius:60px;cursor:pointer;transition:all .2s;border:2px solid transparent;font-weight:700}.tick-option:hover{background:#eef2ff;transform:translate(6px)}.tick-option.correct{background:linear-gradient(135deg,#c8e6c9,#a5d6a7);border-color:#2e7d32;color:#1b5e20;cursor:default;pointer-events:none}.tick-option.wrong{background:linear-gradient(135deg,#ffcdd2,#ef9a9a);border-color:#c62828;color:#b71c1c;text-decoration:line-through;cursor:default;pointer-events:none}.tick-status-icon{font-size:1.2rem;font-weight:800}.reason-card{background:#ffffffe6;border-radius:28px;padding:28px;margin-bottom:20px}.reason-item{background:#fff;border-radius:20px;padding:16px 20px;margin-bottom:16px;border-left:5px solid var(--mustard)}.reason-sentence{font-weight:800;color:var(--blue-dark);margin-bottom:12px;font-size:1rem}.reason-input{width:100%;padding:10px 16px;border-radius:60px;border:2px solid var(--blue-pale);font-family:Nunito,sans-serif;font-weight:600}.reason-feedback{margin-top:8px;font-size:.85rem;font-weight:700}.match-container{display:flex;gap:30px;flex-wrap:wrap;margin:20px 0}.match-col{flex:1;background:#ffffffd9;border-radius:24px;padding:20px}.match-col h3{font-weight:800;color:var(--blue-dark);margin-bottom:16px;text-align:center}.match-item{background:#fff;border:2px solid var(--blue-pale);border-radius:60px;padding:12px 18px;margin-bottom:12px;cursor:pointer;transition:.15s;font-weight:700;display:flex;justify-content:space-between;align-items:center}.match-item.selected{background:#c8e6c9;border-color:#2e7d32;transform:scale(1.02)}.match-item.matched{background:#e8f5e9;border-color:#2e7d32;opacity:.7;cursor:default;pointer-events:none}.match-feedback{margin-top:20px;font-weight:800;text-align:center}.survey-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;margin:20px 0}.survey-card{background:#fff;border-radius:24px;padding:18px;border:2px solid var(--blue-pale);transition:.2s}.survey-card h3{font-size:1rem;font-weight:800;color:var(--blue-dark);margin-bottom:10px;display:flex;align-items:center;gap:8px}.survey-input{width:100%;padding:10px 14px;border-radius:60px;border:2px solid #e2edf7;font-family:Nunito,sans-serif;font-weight:600;margin-top:8px}.btn-report{background:var(--blue-dark);border:none;border-radius:60px;padding:12px 24px;color:#fff;font-weight:800;margin-top:20px;cursor:pointer}.btn-reset,.btn-answer{background:transparent;border:2px solid var(--blue-pale);border-radius:60px;padding:12px 28px;font-size:.9rem;font-weight:800;cursor:pointer;color:var(--blue-dark);transition:all .2s;font-family:Nunito,sans-serif;margin-right:12px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.btn-reset:hover,.btn-answer:hover{background:#1e3a5f14;border-color:var(--blue-mid);transform:translateY(-2px)}.btn-answer:hover{border-color:var(--pink-accent);color:var(--pink-accent)}#answerPanel{margin-top:28px;padding:20px 28px;background:#e3f2fde6;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);border-radius:28px;display:none;border:1px solid rgba(30,58,95,.15)}#answerPanel .ap-title{font-weight:900;color:#1565c0;margin-bottom:12px;font-size:1rem}.story-card{background:#ffffffd9;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);border-radius:28px;padding:28px 30px;margin-bottom:28px;border-left:8px solid var(--pink-accent);box-shadow:0 12px 28px #00000014;transition:all .2s}.story-card-title{font-size:1.3rem;font-weight:800;color:var(--blue-dark);margin-bottom:16px;display:flex;align-items:center;gap:12px}.story-card-body{font-size:1rem;font-weight:600;color:#2c3e6b;line-height:1.9;text-align:justify}.story-card-hint{margin-top:16px;font-size:.85rem;color:#6c757d;font-style:italic;text-align:right;border-top:1px dashed rgba(0,0,0,.1);padding-top:12px}#answerPanel .ap-para{font-size:.98rem;font-weight:600;color:#1e3a5f;line-height:1.9;text-align:justify}#answerPanel .ap-para em{font-style:normal;font-weight:900;color:#2e7d32;background:#2e7d601f;border-radius:12px;padding:2px 6px}.intro-card{background:linear-gradient(135deg,#fff9f0,#fff5e6);border-radius:20px;padding:20px 24px;margin-bottom:18px;border:2px solid #ffcc80;display:flex;align-items:flex-start;gap:14px}.intro-icon{font-size:2.2rem;flex-shrink:0}.intro-title{font-size:1rem;font-weight:900;color:#b45116;margin-bottom:5px}.intro-body{font-size:.92rem;font-weight:600;color:#5d4037;line-height:1.75}.step-list{display:flex;flex-direction:column;gap:12px;margin-bottom:20px}.step-item{display:flex;align-items:flex-start;gap:14px;background:#ffffffd9;border-radius:16px;padding:14px 18px;border-left:4px solid var(--blue-soft)}.step-num{width:32px;height:32px;border-radius:50%;background:var(--blue-dark);color:#fff;font-weight:900;font-size:.9rem;display:flex;align-items:center;justify-content:center;flex-shrink:0}.step-text{font-size:.93rem;font-weight:700;color:#334e68;line-height:1.65}.source-tray{background:#ffffffd9;border-radius:22px;padding:20px;margin-bottom:18px;border:2px dashed #90caf9}.tray-label{font-size:.82rem;font-weight:900;color:var(--blue-mid);text-transform:uppercase;letter-spacing:.08em;margin-bottom:12px}.tap-hint{background:#fff3e0;border:1px solid #ffcc80;border-radius:10px;padding:6px 12px;font-size:.8rem;font-weight:700;color:#e65100;display:inline-block;margin-bottom:12px}.drop-zone-section{background:#ffffffd9;border-radius:22px;padding:20px;margin-bottom:18px;border:1px solid rgba(30,58,95,.08)}.pic-grid,.drop-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.pic-card{background:#fff;border-radius:16px;border:3px solid #bbdefb;overflow:hidden;cursor:grab;transition:all .2s;-webkit-user-select:none;user-select:none;box-shadow:0 4px 12px #0000000f}.pic-card:hover{transform:translateY(-4px) scale(1.02);box-shadow:0 12px 28px #1e3a5f2e;border-color:var(--blue-soft)}.pic-card.dragging{opacity:.35;transform:scale(.95);cursor:grabbing}.pic-card.selected-card{border-color:#f9a826;box-shadow:0 0 0 4px #f9a8264d;transform:scale(1.03)}.pic-card img{display:block;width:100%;height:120px;object-fit:cover}.pic-card-label{text-align:center;padding:5px 8px 9px;font-size:.8rem;font-weight:800;color:var(--blue-mid)}.drop-slot{background:#f0f7ff;border-radius:16px;border:3px dashed #90caf9;min-height:155px;display:flex;flex-direction:column;align-items:center;justify-content:center;transition:all .2s;position:relative;overflow:hidden}.drop-slot.drag-over{background:#e3f2fd;border-color:var(--blue-mid);transform:scale(1.02)}.drop-slot.filled{border-style:solid;border-color:#a5d6a7;background:#f1f8e9}.drop-slot.correct{border-color:#2e7d32;background:#e8f5e9}.drop-slot.wrong{border-color:#c62828;background:#ffebee;animation:shake .4s}.drop-slot-num{font-size:1.5rem;font-weight:900;color:#b0c4de;line-height:1}.drop-slot-lbl{font-size:.72rem;font-weight:800;color:#90a4ae;text-transform:uppercase;letter-spacing:.06em}.slot-badge{position:absolute;top:7px;right:7px;width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.95rem;font-weight:900;z-index:10}.slot-badge.ok{background:#2e7d32;color:#fff}.slot-badge.bad{background:#c62828;color:#fff}.slot-order-label{position:absolute;bottom:0;left:0;right:0;background:#1e3a5fd9;color:#fff;font-size:.76rem;font-weight:800;text-align:center;padding:4px 5px;border-radius:0 0 12px 12px}.slot-img{display:block;width:100%;height:120px;object-fit:cover}.remove-btn{position:absolute;top:7px;left:7px;background:#00000080;border:none;border-radius:50%;width:24px;height:24px;color:#fff;cursor:pointer;font-size:13px;display:flex;align-items:center;justify-content:center;z-index:20;transition:background .15s}.remove-btn:hover{background:#c62828d9}.success-banner{background:linear-gradient(135deg,#e8f5e9,#c8e6c9);border:2px solid #66bb6a;border-radius:20px;padding:20px 24px;text-align:center;margin-bottom:18px}.success-banner-emoji{font-size:2.6rem;margin-bottom:5px}.success-banner-title{font-size:1.25rem;font-weight:900;color:#1b5e20;margin-bottom:3px}.success-banner-sub{font-size:.9rem;font-weight:700;color:#2e7d32}.story-title{font-size:1rem;font-weight:900;color:var(--blue-dark);margin-bottom:14px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}.listen-btn{background:#e3f0fa;border:none;border-radius:30px;padding:6px 16px;font-family:Nunito,sans-serif;font-weight:800;font-size:.82rem;color:var(--blue-dark);cursor:pointer;transition:background .15s}.listen-btn:hover{background:#bbdefb}.story-sequence{display:flex;flex-direction:column;gap:10px}.story-step{display:flex;gap:12px;align-items:flex-start;background:#f5f9ff;border-radius:14px;padding:12px 16px;border-left:4px solid var(--blue-soft)}.story-step-num{width:30px;height:30px;border-radius:50%;background:var(--blue-dark);color:#fff;font-weight:900;font-size:.9rem;display:flex;align-items:center;justify-content:center;flex-shrink:0}.story-step-text{font-size:.95rem;font-weight:700;color:#334e68;line-height:1.65}.past-word{background:#fff9c4;padding:0 5px;border-radius:8px;font-weight:900;color:#b45116}.storyboard-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-bottom:20px}.scene-card{background:#fff;border-radius:24px;padding:24px;cursor:pointer;border:2.5px solid #e3eaf5;box-shadow:0 4px 14px #0000000a;transition:all .25s cubic-bezier(.25,.8,.25,1);position:relative;overflow:hidden}.scene-card:hover{transform:translateY(-3px);border-color:var(--blue-soft);box-shadow:0 8px 24px #2c5f8a1f}.scene-card:active{transform:translateY(0)}.scene-card .scene-emoji{font-size:2.2rem;margin-bottom:10px;display:block}.scene-card .scene-text{font-size:.95rem;font-weight:700;color:#334e68;line-height:1.6}.scene-card .scene-order-badge{position:absolute;top:12px;right:12px;width:36px;height:36px;border-radius:50%;background:#e0e0e0;color:#999;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:.95rem;transition:all .3s}.scene-card.correct-placed{border-color:var(--correct-green);background:#f8fdf9;box-shadow:0 4px 16px #2e7d3226}.scene-card.correct-placed .scene-order-badge{background:var(--correct-green);color:#fff;animation:popIn .3s}.scene-card.wrong-attempt{border-color:var(--wrong-red);animation:shake .35s ease-in-out}.scene-card.disabled-card{opacity:.4;pointer-events:none}.scene-progress{background:#fff;border-radius:60px;padding:14px 28px;margin-bottom:20px;display:flex;align-items:center;gap:16px;border:2px solid var(--blue-pale);box-shadow:0 2px 8px #00000008}.scene-progress-dots{display:flex;gap:8px}.scene-dot{width:28px;height:28px;border-radius:50%;background:#e0e0e0;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.8rem;color:#999;transition:all .3s}.scene-dot.done{background:var(--correct-green);color:#fff;animation:popIn .3s}.scene-dot.current{background:var(--blue-mid);color:#fff;box-shadow:0 0 0 4px #2c5f8a33}.vote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-bottom:20px}.vote-card{background:#fff;border-radius:24px;padding:28px;border:2.5px solid #e3eaf5;box-shadow:0 4px 14px #0000000a;transition:all .25s;display:flex;flex-direction:column;gap:12px}.vote-card:hover{border-color:var(--blue-soft);transform:translateY(-2px);box-shadow:0 8px 24px #2c5f8a1a}.vote-card.voted{border-color:var(--correct-green);background:#f8fdf9;box-shadow:0 6px 20px #2e7d3226}.vote-card.disabled-vote{opacity:.5;pointer-events:none}.vote-group-tag{display:inline-block;background:var(--blue-dark);color:#fff;padding:4px 14px;border-radius:30px;font-size:.82rem;font-weight:800;align-self:flex-start}.vote-title{font-size:1.15rem;font-weight:900;color:var(--blue-dark)}.vote-desc{font-size:.92rem;font-weight:600;color:#555;line-height:1.65;flex:1}.vote-btn{align-self:flex-start;background:var(--blue-dark);color:#fff;border:none;border-radius:60px;padding:12px 28px;font-family:Nunito,sans-serif;font-weight:800;font-size:1rem;cursor:pointer;transition:all .2s;box-shadow:0 4px #0f2b44}.vote-btn:hover{background:var(--blue-mid)}.vote-btn:active{transform:translateY(2px);box-shadow:0 2px #0f2b44}.vote-btn.voted-btn{background:var(--correct-green);box-shadow:0 4px #1b5e20;pointer-events:none}.vote-result{display:none;margin-top:8px;padding:12px 18px;border-radius:14px;background:#e8f5e9;font-weight:800;color:var(--correct-green);font-size:.95rem;animation:slideUp .3s ease}.vote-result.visible{display:block}.assembled-story{display:none;margin-top:24px;background:linear-gradient(135deg,#fff8e1,#fff3e0);border-radius:24px;padding:28px;border:2px solid #ffe0b2;box-shadow:0 6px 20px #f9a8261f;animation:slideUp .4s ease}.assembled-story.visible{display:block}.assembled-title{font-size:1.1rem;font-weight:900;color:#b45116;margin-bottom:14px;display:flex;align-items:center;gap:8px}.assembled-text{font-size:1.05rem;font-weight:700;color:#334e68;line-height:1.9}.assembled-text .filled-word{background:#c8e6c9;color:#1b5e20;padding:2px 10px;border-radius:14px;font-weight:800}.right-wordbank{flex:1;background:var(--color-bg, #ffffff);border:.5px solid #e3eaf5;border-radius:16px;align-self:start;position:sticky;top:20px;overflow:hidden}.right-wordbank .word-title{background:#1e3a5f;color:#fff;font-size:.92rem;font-weight:700;padding:13px 18px;border-radius:16px 16px 0 0;display:flex;align-items:center;gap:8px;letter-spacing:.01em}.right-wordbank .word-subtitle{font-size:.75rem;color:#5b8cbd;padding:10px 18px 0;font-weight:600}.right-wordbank .word-list{display:flex;flex-wrap:wrap;gap:7px;padding:12px 16px 14px}.ls-chip{display:inline-flex;align-items:center;padding:5px 13px;border-radius:20px;border:1.5px solid #d0dff0;background:#f4f8ff;color:#1a2a40;font-size:.82rem;font-weight:600;font-family:Nunito,sans-serif;cursor:pointer;transition:background .15s,border-color .15s,color .15s}.ls-chip:hover{background:#e0ecff;border-color:#2a6dd9;color:#0a1f4a}.ls-chip.selected{background:#1e3a5f;border-color:#1e3a5f;color:#fff}.right-wordbank .word-notice{display:flex;align-items:center;gap:8px;background:#fff8e1;border:1.5px solid #ffe082;border-radius:10px;margin:0 16px 16px;padding:9px 13px;font-size:.78rem;font-weight:700;color:#5a3e00}.email-paragraph{background:#f5f9ff;padding:12px 18px;border-radius:16px;margin-bottom:14px;font-size:.97rem;border-left:4px solid var(--blue-soft);font-weight:600;line-height:1.7;color:#1f2e3f}.email-greeting{font-size:1.2rem;font-weight:800;color:var(--blue-dark);margin:12px 0 8px}.highlight-word{background:#f9e45b;padding:0 4px;border-radius:12px;cursor:pointer;transition:.1s;display:inline-block}.highlight-word:hover{background:#ffd966;transform:scale(1.02)}.word-span{display:inline-block;transition:background .1s linear;border-radius:4px;padding:0 1px}.word-span.active-highlight{background-color:#ffb74d!important;color:#1e3a5f!important;transform:scale(1.02);box-shadow:0 0 0 1px #f57c00}.audio-controls{display:flex;gap:16px;margin-bottom:20px;background:#fff2e0;padding:14px 20px;border-radius:60px;width:fit-content;align-items:center}.audio-btn{background:var(--blue-dark);border:none;color:#fff;font-weight:800;padding:8px 24px;border-radius:40px;cursor:pointer;font-family:inherit}.audio-btn.pause{background:#c0392b}.two-panel-wrap{display:flex;gap:40px;margin-bottom:20px;flex-wrap:wrap}.two-panel-left{flex:2.5;background:#ffffffd9;border-radius:32px;padding:32px}.two-panel-right{flex:1;background:#2c5f8a14;border-radius:32px;padding:0;position:sticky;top:0}.right-panel-title{background:var(--blue-dark);color:#fff;padding:20px;text-align:center;font-weight:800;border-radius:32px 32px 0 0;font-size:1.2rem}.right-options-scroll{padding:24px;display:flex;flex-direction:column;gap:16px;max-height:500px;overflow-y:auto}.twisters-wrap{display:flex;flex-direction:column;gap:1.6rem;margin-top:1rem}.twister-block{background:#ffffffd9;border-radius:20px;box-shadow:0 4px 14px #00000012;padding:1.2rem 1.4rem}.twister-block-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:.8rem;flex-wrap:wrap;gap:8px}.twister-label{font-weight:800;font-size:1.05rem;color:#2c5f8a}.twister-play-btn{background:#1e3a5f;border:none;border-radius:60px;padding:7px 20px;color:#fff;font-weight:700;font-size:.85rem;cursor:pointer;transition:background .18s;font-family:Nunito,sans-serif}.twister-play-btn:hover{background:#2c5f8a}.twister-lines{display:flex;flex-direction:column;gap:.35rem}.twister-line{display:flex;align-items:center;gap:.7rem;cursor:pointer;padding:.45rem .7rem;border-radius:40px;transition:background .18s}.twister-line:hover{background:#e8f0f8}.twister-line.speaking{background:#d4e8ff}.twister-line-icon{font-size:.85rem;opacity:.55;flex-shrink:0}.twister-line-text{font-size:1rem;line-height:1.55;color:#1e3a5f;font-weight:600}.tts-word.tts-active{background:#ffd600;color:#111;border-radius:4px;box-shadow:0 1px 6px #ffb40059}.pic-img-wrapper{position:relative!important;width:100%!important;height:180px!important;aspect-ratio:unset!important;background:#f0f6fc!important;overflow:hidden!important;flex-shrink:0!important}@media (min-width: 1280px){.pic-img-wrapper{height:240px!important}}@media (max-width: 600px){.pic-img-wrapper{height:150px!important}}.pic-img{position:absolute!important;top:0!important;right:0!important;bottom:0!important;left:0!important;width:100%!important;height:100%!important;object-fit:cover!important;object-position:center top!important;padding:0!important}