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var(--border-color);background:var(--bg-secondary);color:var(--text-primary);font-family:inherit}.gap-fill-letter.input:focus{border-color:#6366f1;outline:none}.gap-fill-word.correct .gap-fill-letter.input{background:#10b98114;border-color:#10b981}.gap-fill-word.wrong .gap-fill-letter.input{background:#ef444414;border-color:#ef4444}.whack-target{margin-bottom:20px;font-size:16px;font-weight:700}.whack-target strong{color:#6366f1}.whack-grid{grid-template-columns:repeat(3,1fr);gap:14px;display:grid}.whack-hole{border-radius:var(--radius-lg);border:2px solid var(--border-color);background:var(--bg-secondary);color:var(--text-primary);cursor:pointer;padding:24px 10px;font-family:inherit;font-size:14px;font-weight:700;transition:all .15s}.whack-hole:hover:not(:disabled){border-color:#6366f1;transform:scale(1.03)}.whack-hole.correct{color:#059669;background:#10b98126;border-color:#10b981}.whack-hole.wrong{color:#dc2626;background:#ef444426;border-color:#ef4444}@media (max-width:480px){.whack-grid{grid-template-columns:repeat(2,1fr)}}.gameshow-game{position:relative}.gameshow-streak{color:#f59e0b;align-items:center;gap:6px;font-weight:800;display:flex}.gameshow-lifelines{justify-content:center;gap:10px;margin-bottom:18px;display:flex}.gameshow-prompt{color:#fff;border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);background:linear-gradient(135deg,#1e3a8a 0%,#4338ca 55%,#7c3aed 100%);padding:26px}.gameshow-option{border-width:2px;font-weight:700}.balloon-target{margin-bottom:16px;font-size:16px;font-weight:700}.balloon-target strong{color:#6366f1}.balloon-field{border:1px solid var(--border-color);border-radius:var(--radius-lg);background:linear-gradient(#6366f10f 0%,#0000 100%);height:320px;position:relative;overflow:hidden}.balloon{background:var(--balloon-color,#6366f1);color:#fff;cursor:pointer;box-shadow:var(--shadow-md);border:none;border-radius:50% 50% 50% 4%;padding:14px 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a:hover{text-decoration:underline}.image-quiz-picture{object-fit:cover;border-radius:var(--radius-xl);width:100%;max-width:340px;height:220px;box-shadow:var(--shadow-lg);border:3px solid var(--border-color);margin:0 auto;display:block}.image-quiz-frame{margin:0 auto 24px;display:inline-block;position:relative}.image-quiz-speak-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#0f172abf;border-radius:999px;padding:4px;position:absolute;bottom:12px;right:12px}.image-quiz-feedback-box{border-radius:var(--radius-md);background:#6366f11a;border:1px solid #6366f140;justify-content:center;align-items:center;gap:8px;margin-bottom:20px;padding:10px 18px;animation:.25s fadeIn;display:flex}.image-quiz-feedback-box .feedback-term{color:#6366f1;font-size:16px;font-weight:800}.image-quiz-feedback-box .feedback-def{color:var(--text-secondary);font-size:14.5px}.streak-badge{color:#fff;background:linear-gradient(135deg,#f97316,#ef4444);border-radius:999px;align-items:center;gap:6px;padding:4px 12px;font-size:12px;font-weight:800;animation:1.5s infinite pulse;display:inline-flex;box-shadow:0 4px 12px #ef444459}.speak-btn-wrapper{vertical-align:middle;align-items:center;gap:6px;display:inline-flex}.speak-btn{border:1px solid var(--border-color);background:var(--bg-secondary);color:var(--text-primary);cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:999px;justify-content:center;align-items:center;gap:8px;transition:all .2s;display:inline-flex}.speak-btn:hover{color:#fff;background:#6366f1;border-color:#6366f1;transform:scale(1.05);box-shadow:0 4px 14px #6366f159}.speak-btn.speaking{color:#fff;background:#6366f1;border-color:#6366f1;box-shadow:0 0 0 4px #6366f140}.speak-btn-xs{width:28px;height:28px;font-size:11px}.speak-btn-sm{width:32px;height:32px;font-size:13px}.speak-btn-md{padding:8px 14px;font-size:14px;font-weight:600}.speak-btn-lg{padding:12px 20px;font-size:16px;font-weight:700}.speak-btn-text{font-size:13.5px;font-weight:600}.speak-slow-btn{border:1px solid var(--border-color);background:var(--bg-secondary);width:32px;height:32px;color:var(--text-secondary);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;font-size:12px;transition:all .2s;display:inline-flex}.speak-slow-btn:hover{color:#f59e0b;background:#f59e0b1a;border-color:#f59e0b}.sound-wave-bars{align-items:center;gap:2px;height:14px;display:inline-flex}.sound-wave-bars .bar{background:#fff;border-radius:2px;width:3px;animation:.8s ease-in-out infinite alternate soundWave}.sound-wave-bars .bar-1{height:6px;animation-delay:.1s}.sound-wave-bars .bar-2{height:14px;animation-delay:.25s}.sound-wave-bars .bar-3{height:8px;animation-delay:.4s}@keyframes soundWave{0%{height:4px}to{height:14px}}.listening-hero-box{text-align:center;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);margin-bottom:28px;padding:36px 20px}.listening-sound-badge{color:#3b82f6;background:#3b82f61f;border-radius:999px;align-items:center;gap:8px;margin-bottom:20px;padding:6px 16px;font-size:13px;font-weight:700;display:inline-flex}.listening-audio-center{justify-content:center;margin-bottom:16px;display:flex}.listening-hint-text{color:var(--text-secondary);max-width:440px;margin:0 auto;font-size:13px}.spelling-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);text-align:center;max-width:540px;box-shadow:var(--shadow-md);margin:0 auto;padding:36px 28px}.spelling-sound-zone{flex-direction:column;align-items:center;gap:12px;margin-bottom:20px;display:flex}.spelling-hint-label{color:var(--text-secondary);font-size:13.5px;font-weight:500}.spelling-translation{color:var(--text-primary);background:var(--bg-primary);border-radius:var(--radius-md);align-items:center;gap:8px;margin-bottom:24px;padding:10px 16px;font-size:16px;display:inline-flex}.spelling-input-wrap{margin-bottom:20px}.spelling-input{text-align:center;border-radius:var(--radius-lg);border:2px solid var(--border-color);background:var(--bg-primary);width:100%;color:var(--text-primary);letter-spacing:1px;outline:none;padding:16px 20px;font-size:20px;font-weight:700;transition:all .2s}.spelling-input:focus{border-color:#6366f1;box-shadow:0 0 0 4px #6366f126}.spelling-input.correct{color:#059669;background:#10b98114;border-color:#10b981}.spelling-input.wrong{color:#dc2626;background:#ef444414;border-color:#ef4444}.spelling-feedback{border-radius:var(--radius-md);margin-top:18px;padding:14px;font-size:14.5px;font-weight:600}.spelling-feedback.success{color:#10b981;background:#10b9811f}.spelling-feedback.fail{color:#ef4444;background:#ef44441f}.hero-glow-3{filter:blur(80px);pointer-events:none;z-index:0;background:radial-gradient(circle,#ec489926 0%,#0000 70%);width:400px;height:400px;position:absolute;top:40%;left:50%;transform:translate(-50%,-50%)}.hero-interactive-grid{text-align:left;z-index:2;grid-template-columns:1fr 1fr;gap:24px;width:100%;max-width:1100px;margin:48px auto 0;display:grid;position:relative}@media (max-width:860px){.hero-interactive-grid{grid-template-columns:1fr}}.playground-card{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-radius:var(--radius-2xl);color:#fff;background:#1e293bd9;border:1px solid #ffffff1f;padding:24px;box-shadow:0 20px 40px #0006}.playground-header{margin-bottom:16px}.playground-badge{color:#a5b4fc;background:#6366f133;border:1px solid #6366f166;border-radius:999px;align-items:center;gap:8px;margin-bottom:8px;padding:4px 12px;font-size:12px;font-weight:700;display:inline-flex}.live-dot{background:#10b981;border-radius:50%;width:8px;height:8px;animation:1.5s infinite pulse;box-shadow:0 0 8px #10b981}.playground-header h3{color:#f1f5f9;font-size:16px;font-weight:700}.playground-search-bar{border-radius:var(--radius-lg);background:#0f172ab3;border:1px solid #ffffff26;align-items:center;gap:10px;margin-bottom:16px;padding:10px 14px;display:flex}.playground-search-bar input{color:#fff;background:0 0;border:none;outline:none;flex:1;font-family:inherit;font-size:14px}.clear-search-btn{color:#94a3b8;cursor:pointer;background:0 0;border:none}.playground-chips,.search-results-chips{flex-wrap:wrap;gap:8px;margin-bottom:20px;display:flex}.chip-btn{color:#e2e8f0;cursor:pointer;background:#ffffff14;border:1px solid #ffffff1f;border-radius:999px;align-items:center;gap:6px;padding:6px 12px;font-size:13px;font-weight:600;transition:all .2s;display:inline-flex}.chip-btn:hover,.chip-btn.active{color:#fff;background:#6366f1;border-color:#6366f1;transform:translateY(-1px)}.chip-level-badge{background:#0000004d;border-radius:4px;padding:2px 6px;font-size:10px;font-weight:800}.playground-showcase{border-radius:var(--radius-xl);background:#0f172a99;border:1px solid #ffffff14;flex-direction:column;gap:16px;padding:20px;display:flex}.showcase-level-tag{align-items:center;gap:8px;display:flex}.showcase-topic{color:#94a3b8;font-size:12px}.showcase-word-row{justify-content:space-between;align-items:center;gap:12px;display:flex}.showcase-word{color:#fff;letter-spacing:-.5px;font-size:24px;font-weight:900}.showcase-uzbek{color:#38bdf8;font-size:16px;font-weight:600}.showcase-tip{color:#94a3b8;margin:0;font-size:12px;line-height:1.5}.showcase-interactive-hint{color:#cbd5e1;align-items:center;gap:8px;margin-bottom:8px;font-size:12.5px;display:flex}.showcase-action-btns{flex-wrap:wrap;gap:8px;display:flex}.showcase-game-link{border-radius:var(--radius-md);color:#c7d2fe;background:#6366f133;border:1px solid #6366f166;align-items:center;gap:6px;padding:6px 12px;font-size:12px;font-weight:700;text-decoration:none;transition:all .2s;display:inline-flex}.showcase-game-link:hover{color:#fff;background:#6366f1}.mini-game-demo-card{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-radius:var(--radius-2xl);color:#fff;background:#1e293bd9;border:1px solid #ffffff1f;flex-direction:column;justify-content:space-between;padding:24px;display:flex;box-shadow:0 20px 40px #0006}.demo-card-top{justify-content:space-between;align-items:center;margin-bottom:18px;display:flex}.demo-badge{color:#6ee7b7;background:#10b98133;border:1px solid #10b98166;border-radius:999px;align-items:center;gap:6px;padding:4px 12px;font-size:12px;font-weight:700;display:inline-flex}.demo-step{color:#94a3b8;font-size:12.5px;font-weight:600}.demo-word-header{justify-content:space-between;align-items:center;margin-bottom:10px;display:flex}.demo-word-title{color:#fff;font-size:26px;font-weight:900}.demo-prompt-sub{color:#94a3b8;margin-bottom:16px;font-size:13.5px}.demo-options-grid{grid-template-columns:1fr 1fr;gap:10px;display:grid}@media (max-width:500px){.demo-options-grid{grid-template-columns:1fr}}.demo-opt-btn{border-radius:var(--radius-lg);color:#f1f5f9;cursor:pointer;text-align:left;background:#ffffff0f;border:1px solid #ffffff1f;padding:12px 14px;font-family:inherit;font-size:13px;font-weight:600;transition:all .15s}.demo-opt-btn:hover:not(:disabled){background:#6366f140;border-color:#6366f1;transform:translateY(-2px)}.demo-opt-btn.correct{color:#6ee7b7;background:#10b98140;border-color:#10b981}.demo-opt-btn.wrong{color:#fca5a5;background:#ef444440;border-color:#ef4444}.demo-finished-box{text-align:center;padding:20px 0}.demo-trophy{color:#f59e0b;margin-bottom:12px;font-size:42px;animation:1s infinite alternate bounce}.demo-score-text{color:#cbd5e1;margin:8px 0 20px;font-size:15px}.demo-finished-actions{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.audio-showcase-section{background:var(--bg-primary)}.audio-showcase-grid{grid-template-columns:1fr 1fr;align-items:center;gap:32px;display:grid}@media (max-width:860px){.audio-showcase-grid{grid-template-columns:1fr}}.audio-features-col{flex-direction:column;gap:18px;display:flex}.audio-feature-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);align-items:flex-start;gap:16px;padding:18px;display:flex}.audio-feat-icon{border-radius:var(--radius-lg);flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:18px;display:flex}.audio-feature-card h4{margin-bottom:4px;font-size:15.5px;font-weight:700}.audio-feature-card p{color:var(--text-secondary);margin:0;font-size:13.5px;line-height:1.5}.audio-interactive-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-2xl);box-shadow:var(--shadow-lg);padding:28px}.audio-card-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;margin-bottom:20px;display:flex}.live-indicator{color:#6366f1;align-items:center;gap:8px;font-size:13px;font-weight:700;display:inline-flex}.live-pulse{background:#6366f1;border-radius:50%;width:10px;height:10px;animation:1.5s infinite pulse}.audio-card-sub{color:var(--text-secondary);font-size:13px}.audio-samples-list{flex-direction:column;gap:14px;margin-bottom:24px;display:flex}.audio-sample-item{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);justify-content:space-between;align-items:center;gap:16px;padding:14px 18px;transition:all .2s;display:flex}.audio-sample-item:hover{border-color:#6366f1;transform:translate(4px)}.sample-word-row{align-items:center;gap:8px;margin-bottom:4px;display:flex}.sample-term{color:var(--text-primary);font-size:17px;font-weight:800}.sample-def{color:var(--text-secondary);margin-bottom:4px;font-size:13.5px;font-weight:500}.sample-tip{color:#94a3b8;font-size:11.5px}.audio-cta-box{text-align:center}.levels-grid{grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:16px;margin-bottom:32px;display:grid}.level-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);color:var(--text-primary);text-align:center;box-shadow:var(--shadow-sm);flex-direction:column;align-items:center;padding:20px 16px;text-decoration:none;transition:all .2s;display:flex}.level-card:hover{border-color:var(--level-accent,#6366f1);box-shadow:0 10px 24px #0000001a, 0 0 0 1px var(--level-accent,#6366f1);transform:translateY(-4px)}.level-card-icon{width:46px;height:46px;color:var(--level-accent,#6366f1);background:color-mix(in srgb, var(--level-accent,#6366f1) 15%, transparent);border-radius:50%;justify-content:center;align-items:center;margin-bottom:12px;font-size:18px;display:flex}.level-card-title{margin-bottom:4px;font-size:15px;font-weight:800}.level-card-count{color:var(--text-secondary);margin-bottom:14px;font-size:12.5px}.level-card-action{color:var(--level-accent,#6366f1);align-items:center;gap:6px;font-size:12px;font-weight:700;display:flex}.special-packs-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:18px;display:grid}.special-pack-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);justify-content:space-between;align-items:center;gap:16px;padding:20px;display:flex}.pack-icon{border-radius:var(--radius-lg);color:#6366f1;background:#6366f11f;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:18px;display:flex}.pack-info h4{margin-bottom:4px;font-size:15px;font-weight:700}.pack-info p{color:var(--text-secondary);margin:0 0 6px;font-size:12.5px}.pack-badge{color:#6366f1;background:#6366f11a;border-radius:4px;padding:2px 8px;font-size:11.5px;font-weight:700;display:inline-block}.testimonials-section{background:var(--bg-secondary);border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color)}.testimonials-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px;display:grid}.testimonial-card{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);flex-direction:column;justify-content:space-between;padding:28px;display:flex}.testimonial-stars{color:#f59e0b;margin-bottom:14px;font-size:14px}.testimonial-quote{color:var(--text-primary);margin-bottom:20px;font-size:14.5px;font-style:italic;line-height:1.65}.testimonial-author{align-items:center;gap:12px;display:flex}.author-avatar{color:#fff;background:linear-gradient(135deg,#6366f1,#a855f7);border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;font-size:13px;font-weight:800;display:flex}.author-name{color:var(--text-primary);font-size:14px;font-weight:700}.author-role{color:var(--text-secondary);font-size:12px}.faq-accordion{flex-direction:column;gap:12px;max-width:760px;margin:0 auto;display:flex}.faq-item{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);transition:all .2s;overflow:hidden}.faq-item.open{box-shadow:var(--shadow-md);border-color:#6366f1}.faq-question{text-align:left;width:100%;color:var(--text-primary);cursor:pointer;background:0 0;border:none;justify-content:space-between;align-items:center;gap:16px;padding:18px 22px;font-family:inherit;font-size:15.5px;font-weight:700;display:flex}.faq-chevron{color:var(--text-secondary);font-size:14px;transition:transform .25s}.faq-chevron.rotate{color:#6366f1;transform:rotate(180deg)}.faq-answer{color:var(--text-secondary);padding:0 22px 20px;font-size:14.5px;line-height:1.65}.cta-banner{position:relative;overflow:hidden}.cta-glow{filter:blur(50px);pointer-events:none;background:radial-gradient(circle,#fff3 0%,#0000 70%);width:300px;height:300px;position:absolute;top:-50px;right:-50px}.cta-actions{flex-wrap:wrap;justify-content:center;gap:16px;margin-top:24px;display:flex}.btn-lg{padding:16px 32px;font-size:16px;font-weight:700}.marketing-footer{background:var(--bg-secondary);border-top:1px solid var(--border-color);padding:48px 32px 28px;display:block}.footer-top{flex-wrap:wrap;justify-content:space-between;gap:40px;max-width:1180px;margin:0 auto 36px;display:flex}.footer-brand{max-width:320px}.footer-tagline{color:var(--text-secondary);margin-top:12px;font-size:13.5px;line-height:1.6}.footer-links-group{flex-wrap:wrap;gap:48px;display:flex}.footer-col{flex-direction:column;gap:10px;display:flex}.footer-col h4{color:var(--text-primary);margin-bottom:4px;font-size:14px;font-weight:800}.footer-col a{color:var(--text-secondary);font-size:13.5px;text-decoration:none;transition:color .15s}.footer-col a:hover{color:#6366f1}.footer-bottom{border-top:1px solid var(--border-color);text-align:center;max-width:1180px;color:var(--text-secondary);flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;margin:0 auto;padding-top:24px;font-size:13px;display:flex}.excel-help-btn{color:#6366f1;cursor:pointer;background:0 0;border:none;align-items:center;gap:4px;font-size:12.5px;font-weight:600;display:inline-flex}.excel-help-btn:hover{text-decoration:underline}.excel-help-card{border-radius:var(--radius-lg);background:#10b98114;border:1px solid #10b98140;margin-bottom:14px;padding:14px 18px;font-size:13px}.excel-help-title{color:var(--text-primary);align-items:center;gap:6px;margin-bottom:8px;font-weight:700;display:flex}.excel-help-steps{color:var(--text-secondary);margin:0;padding-left:20px;line-height:1.6}.excel-help-steps kbd{background:var(--bg-secondary);border:1px solid var(--border-color);color:var(--text-primary);border-radius:4px;padding:1px 6px;font-size:11px;font-weight:700}.bulk-actions-row{flex-wrap:wrap;align-items:center;gap:10px;margin-top:10px;display:flex}.file-upload-btn{cursor:pointer;margin:0}.set-builder-section-head{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;margin:24px 0 12px;padding-bottom:8px;display:flex}.section-head-title{align-items:center;gap:10px;font-size:14.5px;font-weight:700;display:flex}.row-counter-badge{color:#6366f1;background:#6366f11f;border-radius:999px;padding:2px 8px;font-size:11.5px;font-weight:700}.btn-link-danger{color:#ef4444;cursor:pointer;background:0 0;border:none;align-items:center;gap:6px;font-size:12.5px;font-weight:600;display:inline-flex}.btn-link-danger:hover{text-decoration:underline}