@import"https://fonts.googleapis.com/css2?family=Nunito:wght@500;600;700;800;900&display=swap";:root{--teal-500: #0D9488;--teal-600: #0F766E;--teal-700: #115E59;--teal-50: #F0FDFA;--teal-100: #CCFBF1;--teal-200: #99F6E4;--orange-400: #FB923C;--orange-500: #F97316;--orange-600: #EA580C;--orange-50: #FFF7ED;--orange-200: #FED7AA;--orange-700: #C2410C;--slate-50: #F8FAFC;--slate-100: #F1F5F9;--slate-200: #E2E8F0;--slate-300: #CBD5E1;--slate-400: #94A3B8;--slate-500: #64748B;--slate-700: #334155;--slate-800: #1E293B;--slate-900: #0F172A;--green-50: #F0FDF4;--green-100: #D1FAE5;--green-400: #4ADE80;--green-500: #22C55E;--green-700: #15803D;--green-800: #166534;--red-50: #FEF2F2;--red-100: #FEE2E2;--red-300: #FCA5A5;--red-400: #F87171;--red-500: #EF4444;--red-700: #B91C1C;--red-800: #991B1B;--yellow-50: #FFFBEB;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 20px;--shadow-card: 0 2px 16px rgba(0,0,0,.06), 0 0 0 1px rgba(0,0,0,.03);--shadow-btn: 0 4px 20px rgba(13,148,136,.3);--font: "Nunito", "Segoe UI", system-ui, -apple-system, sans-serif}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0}body{font-family:var(--font);background:var(--slate-50);color:var(--slate-800);-webkit-font-smoothing:antialiased;overscroll-behavior:none}button{font-family:var(--font)}button:active{transform:scale(.97)}@keyframes floatBubble{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}@keyframes slideUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes slideDown{0%{opacity:0;transform:translate(-50%,-20px)}to{opacity:1;transform:translate(-50%)}}@keyframes shake{0%,to{transform:translate(0)}20%{transform:translate(-8px)}40%{transform:translate(8px)}60%{transform:translate(-4px)}80%{transform:translate(4px)}}@keyframes floatUp{0%{opacity:1;transform:translateY(0) scale(1)}to{opacity:0;transform:translateY(-28px) scale(1.1)}}@keyframes correctPulse{0%{box-shadow:0 2px 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cubic-bezier(.22,1,.36,1)}.logo-icon{width:72px;height:72px;border-radius:20px;background:linear-gradient(135deg,var(--teal-500),#14B8A6);display:flex;align-items:center;justify-content:center;box-shadow:0 8px 32px #0d948840}.logo-text{font-size:42px;font-weight:900;color:var(--slate-900);margin:0;letter-spacing:-1px}.logo-text .accent{color:var(--orange-500)}.tagline{font-size:18px;color:var(--slate-500);margin:0;font-weight:500;transition:all .6s cubic-bezier(.22,1,.36,1)}.bubble-row{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;max-width:320px;transition:all .6s ease}.bubble{padding:6px 14px;border-radius:20px;font-size:14px;font-weight:600;animation:floatBubble 3s ease-in-out infinite}.bubble-teal{background:#0d94881a;color:var(--teal-500)}.bubble-orange{background:#f9731614;color:var(--orange-600)}.splash-coins{display:flex;align-items:center;gap:6px;background:var(--yellow-50);padding:8px 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.2s}.settle-trigger:hover{background:var(--slate-200)}.top-center{display:flex;align-items:center}.top-counter{font-size:13px;font-weight:600;color:var(--slate-400)}.top-right{display:flex;align-items:center;gap:10px}.coin-badge{display:flex;align-items:center;gap:4px;background:var(--yellow-50);padding:4px 12px;border-radius:var(--radius-md);font-size:14px;position:relative}.coin-badge.pop{animation:coinBounce .5s ease}@keyframes coinBounce{0%{transform:scale(1)}30%{transform:scale(1.35)}60%{transform:scale(.95)}to{transform:scale(1)}}.coin-val{font-weight:700;color:var(--slate-800)}.floating-coin{position:absolute;top:-18px;right:-4px;color:var(--orange-500);font-weight:800;font-size:16px;animation:floatUp .8s ease forwards;pointer-events:none}.streak-badge{font-size:14px;font-weight:700;color:var(--orange-600);background:var(--orange-50);padding:4px 10px;border-radius:var(--radius-md);animation:streakPop .3s ease}@keyframes 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ease}.card.ad-bg{background:linear-gradient(135deg,var(--teal-50) 0%,var(--orange-50) 100%)}.card-image-wrap{margin:-24px -20px 16px;border-radius:var(--radius-xl) var(--radius-xl) 0 0;overflow:hidden;background:var(--slate-100);max-height:160px}.card-image{width:100%;height:160px;object-fit:cover;display:block}.correct-badge{position:absolute;top:16px;right:16px;width:36px;height:36px;border-radius:50%;background:var(--green-400);display:flex;align-items:center;justify-content:center;animation:correctCheck .4s cubic-bezier(.34,1.56,.64,1);box-shadow:0 2px 8px #22c55e4d;z-index:2}.correct-badge svg{width:20px;height:20px}.card-type-label{display:flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:var(--slate-400);text-transform:uppercase;letter-spacing:1px;margin-bottom:16px}.speaker-area{width:100%;background:linear-gradient(135deg,var(--teal-50),var(--slate-50));border:2px dashed #99F6E4;border-radius:var(--radius-lg);padding:24px 16px;display:flex;flex-direction:column;align-items:center;gap:10px;cursor:pointer;margin-bottom:20px}.speaker-icon{width:56px;height:56px;border-radius:50%;background:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px #0d948826}.target-text{font-size:22px;font-weight:700;color:var(--slate-900);margin:0;line-height:1.4}.hint-text{font-size:13px;color:var(--slate-400);margin:0}.options-area{display:flex;flex-direction:column;gap:8px}.choose-label{font-size:13px;font-weight:600;color:var(--slate-400);margin:0 0 4px}.option-btn{display:flex;align-items:center;gap:12px;width:100%;padding:14px 16px;border-radius:14px;font-size:15px;font-weight:600;cursor:pointer;text-align:left;transition:all .15s ease;background:#fff;border:2px solid var(--slate-200);color:var(--slate-800)}.option-btn:hover{border-color:var(--slate-300)}.option-btn.option-selected{border-color:var(--teal-500);background:var(--teal-50)}.option-btn.option-correct{border-color:var(--green-400);background:var(--green-50);color:var(--green-800)}.option-btn.option-wrong{border-color:var(--red-400);background:var(--red-50);color:var(--red-800)}.option-letter{width:28px;height:28px;border-radius:8px;background:var(--slate-100);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:var(--slate-500);flex-shrink:0}.sentence-area{background:#fafafa;border-radius:var(--radius-lg);padding:24px 20px;margin-bottom:20px}.sentence-text{font-size:20px;font-weight:600;color:var(--slate-800);margin:0;line-height:1.6;text-align:center}.blank-slot{display:inline-block;padding:2px 16px;border-radius:8px;border:2px dashed var(--slate-300);margin:0 4px;font-weight:700;min-width:60px;text-align:center;transition:all .2s ease;background:var(--slate-100);color:var(--teal-500)}.blank-slot.blank-active{border-color:var(--teal-500);background:var(--teal-50)}.blank-slot.blank-correct{border-color:var(--green-400);background:var(--green-100);color:var(--green-800)}.blank-slot.blank-wrong{border-color:var(--red-400);background:var(--red-100);color:var(--red-800)}.chip-row{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.chip-btn{display:flex;align-items:center;gap:6px;padding:10px 18px;border-radius:var(--radius-md);border:2px solid var(--slate-200);background:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:all .15s ease;color:var(--slate-800)}.chip-btn:hover{border-color:var(--slate-300)}.chip-btn.chip-active{border-color:var(--teal-500);background:var(--teal-50);color:var(--teal-500)}.chip-btn.chip-correct{border-color:var(--green-400);background:var(--green-100);color:var(--green-800)}.chip-btn.chip-wrong{border-color:var(--red-400);background:var(--red-100);color:var(--red-800)}.chip-btn.chip-filled-teal{background:var(--teal-500);color:#fff;border:none;padding:10px 24px}.chip-btn.chip-filled-orange{background:var(--orange-500);color:#fff;border:none;padding:10px 24px}.reorder-slot{min-height:56px;border:2px dashed var(--slate-300);border-radius:14px;padding:12px;display:flex;flex-wrap:wrap;gap:6px;align-items:center;justify-content:center;margin-bottom:16px;transition:all .2s ease;background:#fafafa}.reorder-slot.reorder-active{border-color:var(--teal-500)}.reorder-slot.reorder-correct{border-color:var(--green-400);background:var(--green-50)}.reorder-slot.reorder-wrong{border-color:var(--red-400);background:var(--red-50)}.reorder-chip{padding:6px 14px;border-radius:10px;font-size:15px;font-weight:600;border:none;cursor:pointer;background:#e0f2fe;color:#0369a1}.reorder-chip.rc-correct{background:var(--green-100);color:var(--green-800)}.reorder-chip.rc-wrong{background:var(--red-100);color:var(--red-800)}.check-btn{width:100%;margin-top:16px;padding:14px;border-radius:14px;background:linear-gradient(135deg,var(--teal-500),var(--teal-600));color:#fff;border:none;font-size:16px;font-weight:700;cursor:pointer;box-shadow:0 4px 16px #0d948840}.mic-area{display:flex;flex-direction:column;align-items:center;gap:12px;margin-top:8px}.mic-btn{width:72px;height:72px;border-radius:50%;border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;background:linear-gradient(135deg,var(--teal-500),var(--teal-600));box-shadow:0 4px 20px #0d94884d}.mic-btn.mic-active{background:linear-gradient(135deg,var(--red-500),#DC2626);box-shadow:0 0 0 8px #ef444426,0 4px 20px #ef44444d;transform:scale(1.1);animation:pulseRing 1.5s infinite}.mic-label{font-size:13px;color:var(--slate-500);font-weight:600;margin:0;transition:color .2s}.mic-label.mic-label-active{color:var(--red-500)}.mic-error{text-align:center;padding:8px;color:#dc2626;font-size:13px;font-weight:600}.mic-hint-banner{text-align:center;padding:10px 16px;margin:8px 16px;background:var(--orange-50, #FFF7ED);border:1px solid var(--orange-200, #FED7AA);border-radius:12px;color:var(--orange-700, #C2410C);font-size:13px;font-weight:600;animation:fadeInUp .3s ease}.skip-btn{display:block;margin:16px auto 0;background:none;border:none;color:var(--slate-400);font-size:13px;font-weight:600;cursor:pointer;padding:8px 16px;border-radius:8px;transition:color .2s}.skip-btn:hover{color:var(--slate-500)}.retry-area{display:flex;gap:10px;justify-content:center;padding:12px 16px;animation:fadeInUp .3s ease}.retry-btn{flex:1;max-width:180px;padding:12px 16px;border-radius:var(--radius-md);border:1.5px solid var(--teal-500);background:var(--teal-50);color:var(--teal-700);font-size:15px;font-weight:700;cursor:pointer;transition:all .2s}.retry-btn:active{transform:scale(.97);background:var(--teal-100, #CCFBF1)}.give-up-btn{padding:12px 16px;border-radius:var(--radius-md);border:1px solid var(--slate-200);background:#fff;color:var(--slate-500);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s}.give-up-btn:active{background:var(--slate-50)}.playback-area{display:flex;justify-content:center;gap:12px;margin-top:12px}.playback-btn{display:flex;align-items:center;gap:6px;padding:8px 16px;border-radius:20px;border:1.5px solid var(--teal-200);background:var(--teal-50, #f0fdfa);color:var(--teal-700);font-size:13px;font-weight:600;cursor:pointer;transition:all .2s ease}.playback-btn:hover{background:var(--teal-100, #ccfbf1)}.playback-btn.playback-active{border-color:var(--teal-500);background:var(--teal-100, #ccfbf1)}.score-result{border-radius:14px;border:2px solid;padding:16px;margin-bottom:16px;text-align:center;animation:slideUp .3s ease}.score-result.score-pass{background:var(--green-50);border-color:#86efac}.score-result.score-partial{background:#fffbeb;border-color:#fde68a}.score-result.score-fail{background:var(--red-50);border-color:var(--red-300)}.score-header{display:flex;align-items:center;gap:8px;justify-content:center;margin-bottom:10px}.score-pct{font-weight:800;font-size:18px}.score-pass .score-pct{color:var(--green-800)}.score-partial .score-pct{color:#92400e}.score-fail .score-pct{color:var(--red-800)}.word-results{display:flex;flex-wrap:wrap;gap:6px;justify-content:center}.word-result{font-size:17px;font-weight:700;transition:all .3s ease}.word-result.word-matched{color:var(--green-800)}.word-result.word-missed{color:var(--slate-300);text-decoration:underline;text-decoration-color:var(--red-300)}.heard-text{font-size:12px;color:var(--slate-400);margin:8px 0 0;font-style:italic}.ad-card-inner{text-align:center;padding:40px 20px}.ad-title{margin:0 0 8px;color:var(--teal-500);font-size:18px;font-weight:700}.ad-desc{margin:0 0 20px;color:var(--slate-500);font-size:14px;line-height:1.6}.ad-actions{display:flex;gap:10px;justify-content:center}.feedback-bar{padding:16px 20px;display:flex;align-items:center;justify-content:space-between;position:sticky;bottom:64px;background:var(--red-50);border-top:2px solid var(--red-300);animation:slideUp .25s ease}.feedback-content{display:flex;align-items:center;gap:10px}.feedback-title{margin:0;font-weight:700;color:var(--red-800);font-size:15px}.feedback-hint{margin:2px 0 0;font-size:13px;color:#6b7280}.next-btn{padding:10px 24px;border-radius:var(--radius-md);border:none;background:var(--teal-500);color:#fff;font-size:14px;font-weight:700;cursor:pointer;white-space:nowrap}.feedback-bar-partial{padding:16px 20px;display:flex;align-items:center;justify-content:space-between;position:sticky;bottom:64px;background:#fffbeb;border-top:2px solid #FDE68A;animation:slideUp .25s ease}.feedback-title-partial{margin:0;font-weight:700;color:#92400e;font-size:15px}.report-btn{width:36px;height:36px;border-radius:10px;border:1px solid var(--slate-200);background:#fff;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--slate-400)}.settle-overlay{position:fixed;inset:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:50;animation:fadeIn .2s ease;padding:20px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.settle-dialog{background:#fff;border-radius:var(--radius-xl);padding:28px 24px;max-width:340px;width:100%;box-shadow:0 16px 48px #00000026;animation:popIn .3s ease}.settle-dialog-title{margin:0 0 8px;font-size:20px;font-weight:800;color:var(--slate-900);text-align:center}.settle-dialog-sub{margin:0 0 20px;font-size:14px;color:var(--slate-500);text-align:center;line-height:1.6}.settle-dialog-actions{display:flex;gap:10px}.settle-cancel{flex:1;padding:12px;border-radius:var(--radius-md);border:2px solid var(--slate-200);background:#fff;font-size:14px;font-weight:700;cursor:pointer;color:var(--slate-700)}.settle-confirm-btn{flex:1;padding:12px;border-radius:var(--radius-md);border:none;background:var(--teal-500);color:#fff;font-size:14px;font-weight:700;cursor:pointer}.settle-container{max-width:400px;width:100%}.settle-emoji{font-size:56px;text-align:center}.settle-title{text-align:center;color:var(--slate-800);margin:12px 0 20px;font-size:24px;font-weight:800}.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:16px}.stat-card{display:flex;flex-direction:column;align-items:center;gap:4px;background:#fff;border-radius:var(--radius-lg);padding:16px 12px;box-shadow:0 2px 8px #0000000a}.stat-icon{font-size:22px}.stat-value{font-size:24px;font-weight:800;color:var(--slate-800)}.stat-value.accent-orange{color:var(--orange-500)}.stat-label{font-size:12px;font-weight:600;color:var(--slate-400);text-transform:uppercase;letter-spacing:.5px}.total-coins{text-align:center;padding:12px;background:var(--yellow-50);border-radius:var(--radius-md);margin-bottom:16px;font-size:15px;color:var(--slate-700)}.total-coins strong{color:var(--orange-500);font-weight:800;font-size:18px}.settle-nav-row{display:flex;gap:10px;margin-bottom:20px}.settle-nav-btn{flex:1;padding:14px 12px;border-radius:var(--radius-lg);font-size:14px;font-weight:700;cursor:pointer;border:none;transition:all .15s;text-align:center}.settle-nav-btn:active{transform:scale(.97)}.settle-nav-primary{background:linear-gradient(135deg,var(--teal-500),var(--teal-600));color:#fff;box-shadow:0 3px 10px #0d948840}.settle-nav-secondary{background:#fff;color:var(--slate-700);border:1.5px solid var(--slate-200)}.settle-nav-secondary:active{background:var(--slate-50)}.perfect-badge{display:flex;align-items:center;justify-content:center;gap:8px;padding:16px;background:var(--green-50);border:2px solid #86EFAC;border-radius:var(--radius-md);margin-bottom:16px;font-size:16px;font-weight:700;color:var(--green-800)}.settle-actions{display:flex;flex-direction:column;gap:10px;margin-top:20px;align-items:stretch}.settle-actions 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#0000000a}.settle-stat-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px}.settle-stat-num{font-size:16px;font-weight:800;color:var(--slate-800);display:flex;align-items:center;gap:4px}.settle-stat-desc{font-size:11px;color:var(--slate-400);font-weight:600}.settle-stat-divider{width:1px;background:var(--slate-100);margin:4px 0}.settle-tag-row{display:flex;justify-content:center;gap:6px;margin-bottom:14px;flex-wrap:wrap}.settle-tag{padding:4px 10px;border-radius:20px;font-size:12px;font-weight:600;background:var(--slate-50);color:var(--slate-500);border:1px solid var(--slate-100)}.settle-tag-gold{background:#eab3081a;color:var(--orange-600, #EA580C);border-color:#eab30833}.share-btn{width:100%;padding:10px;border-radius:var(--radius-md);border:1.5px solid var(--slate-200);background:#fff;font-size:14px;font-weight:600;color:var(--slate-600);cursor:pointer;transition:all 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var(--slate-100);background:#fff;font-size:10px;font-weight:600;color:var(--slate-600);cursor:pointer;transition:all .15s}.room-action-btn span:first-child{font-size:20px}.room-action-btn:active{background:var(--slate-50);transform:scale(.95)}.record-container{max-width:440px;width:100%;padding:0 16px;text-align:center}.record-hero{margin-bottom:28px}.record-mic-icon{font-size:56px;margin-bottom:12px;animation:micPulse 2s ease-in-out infinite}@keyframes micPulse{0%,to{transform:scale(1)}50%{transform:scale(1.08)}}.record-title{font-size:24px;font-weight:800;color:var(--slate-800);margin:0 0 8px}.record-desc{font-size:14px;color:var(--slate-400);margin:0;line-height:1.5}.record-preview-list{display:flex;flex-direction:column;gap:12px;text-align:left;margin-bottom:20px}.record-preview-item{display:flex;align-items:center;gap:14px;padding:16px;border-radius:var(--radius-lg);background:#fff;border:1.5px solid var(--slate-100);box-shadow:0 1px 4px #00000008}.record-preview-emoji{font-size:28px;flex-shrink:0}.record-preview-item div{display:flex;flex-direction:column;gap:2px}.record-preview-name{font-size:15px;font-weight:700;color:var(--slate-700)}.record-preview-sub{font-size:12px;color:var(--slate-400)}.record-hint{font-size:12px;color:var(--slate-400);text-align:center}.profile-container{text-align:center;max-width:400px;width:100%}.profile-avatar{width:80px;height:80px;border-radius:50%;background:var(--slate-100);display:flex;align-items:center;justify-content:center;font-size:36px;margin:0 auto 16px}.profile-name{font-size:22px;font-weight:800;color:var(--slate-800);margin:0 0 16px}.profile-coin-display{display:flex;align-items:center;justify-content:center;gap:10px;background:var(--yellow-50);padding:16px 24px;border-radius:var(--radius-lg);margin:0 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