@import"https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800&display=swap";:root{--primary: #6C63FF;--primary-light: #8B83FF;--primary-dark: #5549E0;--secondary: #FF6B6B;--secondary-light: #FF8A8A;--success: #4CAF50;--success-light: #81C784;--warning: #FFC107;--warning-light: #FFD54F;--background: #F8F9FF;--surface: #FFFFFF;--text: #2D2D2D;--text-light: #6B6B6B;--text-muted: #9E9E9E;--border: #E8E8F0;--shadow: rgba(108, 99, 255, .15);--box-gray: #D1D5DB;--box-red: #EF4444;--box-orange: #F97316;--box-yellow: #EAB308;--box-lightgreen: #84CC16;--box-green: #22C55E}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;overflow-x:hidden}body{font-family:Nunito,sans-serif;font-size:16px;line-height:1.5;color:var(--text);background:var(--background);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-tap-highlight-color:transparent}#root{width:100%;max-width:480px;margin:0 auto;min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;position:relative;overflow:hidden}button{font-family:Nunito,sans-serif;cursor:pointer;border:none;outline:none;-webkit-tap-highlight-color:transparent;touch-action:manipulation}button:focus-visible{outline:3px solid var(--primary);outline-offset:2px}input{font-family:Nunito,sans-serif}input,select,textarea{font-size:16px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}@keyframes confetti-fall{0%{transform:translateY(-100vh) rotate(0);opacity:1}to{transform:translateY(100vh) rotate(720deg);opacity:0}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes flame{0%,to{transform:scaleY(1) scaleX(1)}25%{transform:scaleY(1.1) scaleX(.95)}50%{transform:scaleY(.95) scaleX(1.05)}75%{transform:scaleY(1.05) scaleX(.98)}}.mascot{display:flex;flex-direction:column;align-items:center;gap:4px;user-select:none;-webkit-user-select:none}.mascot-figure{font-size:4rem;line-height:1;display:flex;align-items:center;justify-content:center}.mascot.small .mascot-figure{font-size:2.5rem}.mascot.large .mascot-figure{font-size:6rem}.mascot-figure.idle{animation:mascotIdle 3s ease-in-out infinite}@keyframes mascotIdle{0%,to{transform:translateY(0) rotate(0)}25%{transform:translateY(-3px) rotate(-2deg)}50%{transform:translateY(0) rotate(0)}75%{transform:translateY(-3px) rotate(2deg)}}.mascot-figure.happy{animation:mascotHappy .5s ease-in-out 3}@keyframes mascotHappy{0%,to{transform:translateY(0) scale(1)}50%{transform:translateY(-15px) scale(1.1)}}.mascot-figure.sad{animation:mascotSad 2s ease-in-out infinite}@keyframes mascotSad{0%,to{transform:translateY(0) rotate(0)}50%{transform:translateY(3px) rotate(-3deg)}}.mascot-figure.celebrate{animation:mascotCelebrate .6s ease-in-out infinite}@keyframes mascotCelebrate{0%{transform:translateY(0) rotate(0) scale(1)}25%{transform:translateY(-20px) rotate(-10deg) scale(1.15)}50%{transform:translateY(0) rotate(0) scale(1)}75%{transform:translateY(-20px) rotate(10deg) scale(1.15)}to{transform:translateY(0) rotate(0) scale(1)}}.mascot-label{font-size:.85rem;font-weight:600;color:var(--text-light)}.numpad-container{display:flex;flex-direction:column;align-items:center;gap:12px;padding:16px;width:100%}.numpad-display{font-size:3rem;font-weight:800;color:var(--primary);min-height:60px;display:flex;align-items:center;justify-content:center;letter-spacing:4px;min-width:120px;position:relative}.numpad-display-cursor{display:inline-block;width:3px;height:40px;background:var(--primary);animation:blink 1s infinite;margin-left:2px;border-radius:2px}@keyframes blink{0%,50%{opacity:1}51%,to{opacity:0}}.numpad-grid{display:grid;grid-template-columns:repeat(3,80px);gap:10px;justify-content:center}.numpad-btn{width:80px;height:64px;font-size:1.6rem;font-weight:700;border-radius:16px;background:var(--surface);color:var(--text);border:2px solid var(--border);display:flex;align-items:center;justify-content:center;transition:all .15s ease;user-select:none;-webkit-user-select:none;cursor:pointer;-webkit-tap-highlight-color:transparent}.numpad-btn:active{transform:scale(.95);background:var(--primary-light);color:#fff;border-color:var(--primary)}.numpad-btn-backspace{background:var(--background);color:var(--text-light);font-size:1.3rem}.numpad-btn-backspace:active{background:var(--secondary-light);color:#fff;border-color:var(--secondary)}.numpad-btn-ok{background:var(--primary);color:#fff;border-color:var(--primary);font-size:1.2rem;font-weight:800}.numpad-btn-ok:active{background:var(--primary-dark);transform:scale(.95)}.numpad-btn-ok:disabled{background:var(--box-gray);border-color:var(--box-gray);cursor:not-allowed;opacity:.5}.welcome-screen{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 20px;gap:24px;animation:fadeIn .5s ease}.welcome-step{display:flex;flex-direction:column;align-items:center;gap:20px;animation:slideUp .4s ease;text-align:center;max-width:340px}.welcome-title{font-size:1.8rem;font-weight:800;color:var(--primary)}.welcome-subtitle{font-size:1.1rem;color:var(--text-light);line-height:1.6}.welcome-input{padding:14px 20px;font-size:1.3rem;font-weight:700;text-align:center;border:3px solid var(--primary);border-radius:16px;background:var(--surface);color:var(--text);width:240px;outline:none;transition:border-color .2s}.welcome-input:focus{border-color:var(--primary-light);box-shadow:0 0 16px var(--shadow)}.welcome-input::placeholder{color:var(--text-muted);font-weight:400}.welcome-btn{padding:14px 36px;font-size:1.1rem;font-weight:700;color:#fff;background:var(--primary);border-radius:16px;transition:all .15s ease}.welcome-btn:active{transform:scale(.95)}.welcome-btn:disabled{background:var(--box-gray);cursor:not-allowed}.welcome-btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-light));padding:16px 44px;font-size:1.2rem;font-weight:800;border-radius:18px;box-shadow:0 4px 16px var(--shadow)}.welcome-btn-skip{background:transparent;color:var(--text-light);font-size:.95rem;font-weight:600;padding:10px 24px;text-decoration:underline;box-shadow:none}.welcome-btn-skip:active{color:var(--text)}.welcome-test-progress{display:flex;align-items:center;justify-content:center;gap:4px;flex-wrap:wrap;max-width:320px}.welcome-test-progress-dot{width:14px;height:14px;border-radius:50%;background:var(--border);transition:all .3s ease}.welcome-test-progress-dot.done{background:var(--text-muted)}.welcome-test-progress-dot.current{background:var(--primary);transform:scale(1.3);box-shadow:0 0 8px var(--shadow)}.welcome-test-question{font-size:2.8rem;font-weight:800;color:var(--text);letter-spacing:2px}.welcome-test-operator{color:var(--primary);margin:0 4px}.welcome-test-equals{color:var(--text-muted);margin-left:8px}.welcome-test-feedback{font-size:2.5rem;font-weight:800;animation:slideUp .2s ease}.welcome-test-feedback.correct{color:var(--success)}.welcome-test-feedback.incorrect{color:var(--secondary)}.welcome-test-hint{font-size:.9rem;color:var(--text-muted);font-style:italic}.welcome-dots{display:flex;gap:8px}.welcome-dot{width:10px;height:10px;border-radius:50%;background:var(--border);transition:all .3s ease}.welcome-dot.active{background:var(--primary);transform:scale(1.2)}.home-screen{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 20px;gap:24px;animation:fadeIn .4s ease}.home-greeting{font-size:1.6rem;font-weight:700;color:var(--text)}.home-greeting span{color:var(--primary)}.home-streak{display:flex;align-items:center;gap:8px;padding:10px 20px;background:var(--surface);border-radius:16px;border:2px solid var(--border)}.home-streak-flame{font-size:1.5rem;animation:flame 1s ease-in-out infinite;display:inline-block}.home-streak-count{font-size:1.2rem;font-weight:700;color:var(--secondary)}.home-streak-label{font-size:.9rem;color:var(--text-light)}.home-start-btn{padding:18px 48px;font-size:1.4rem;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-light));border-radius:20px;box-shadow:0 6px 20px var(--shadow);transition:all .2s ease;animation:pulse 2s ease-in-out infinite}.home-start-btn:active{transform:scale(.95);box-shadow:0 3px 10px var(--shadow)}.home-done-msg{padding:18px 32px;font-size:1.1rem;font-weight:700;color:var(--success);background:var(--surface);border-radius:20px;border:2px solid var(--success);text-align:center}.home-nav{display:flex;gap:12px;margin-top:8px}.home-nav-btn{padding:12px 20px;font-size:.95rem;font-weight:700;color:var(--primary);background:var(--surface);border-radius:14px;border:2px solid var(--primary);transition:all .2s ease}.home-nav-btn:active{background:var(--primary);color:#fff;transform:scale(.95)}.home-top-bar{position:absolute;top:12px;right:12px;display:flex;gap:4px;align-items:center}.home-parent-btn{-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}.home-mute-btn,.home-parent-btn{width:36px;height:36px;font-size:1.1rem;color:var(--text-muted);background:transparent;border-radius:50%;display:flex;align-items:center;justify-content:center}.home-mute-btn.home-mode-active{background:var(--primary-light);color:#fff}.voice-input{display:flex;flex-direction:column;align-items:center;gap:16px;padding:16px;width:100%}.voice-mic{position:relative;width:140px;height:140px;border-radius:50%;background:var(--primary);color:#fff;border:none;display:flex;align-items:center;justify-content:center;font-size:3.5rem;cursor:pointer;transition:transform .15s ease,background .15s ease;box-shadow:0 6px 20px var(--shadow);-webkit-tap-highlight-color:transparent}.voice-mic:active:not(.disabled){transform:scale(.96)}.voice-mic.listening{background:var(--secondary);animation:pulse 1.4s ease-in-out infinite}.voice-mic.disabled{background:var(--box-gray);cursor:not-allowed;opacity:.6}.voice-mic-icon{position:relative;z-index:1;line-height:1}.voice-mic-ring{position:absolute;top:-10px;right:-10px;bottom:-10px;left:-10px;border-radius:50%;border:3px solid var(--secondary-light);opacity:.6;animation:voice-ring 1.4s ease-out infinite;pointer-events:none}@keyframes voice-ring{0%{transform:scale(.85);opacity:.7}to{transform:scale(1.3);opacity:0}}.voice-transcript{min-height:40px;font-size:1.2rem;font-weight:700;color:var(--text);text-align:center;padding:8px 16px;border-radius:12px;background:var(--surface);border:2px dashed var(--border);min-width:180px;max-width:90%}.voice-error{font-size:.95rem;color:var(--secondary);text-align:center;max-width:320px;line-height:1.4}.voice-keypad-link{background:transparent;color:var(--text-light);font-size:.95rem;font-weight:600;padding:8px 14px;border-radius:10px;text-decoration:underline}.voice-keypad-link:active{color:var(--primary)}.voice-keypad-link:disabled{opacity:.4;cursor:not-allowed}.voice-fallback{display:flex;flex-direction:column;align-items:center;gap:12px;width:100%}.voice-fallback-msg{font-size:1rem;color:var(--text-light);text-align:center;padding:0 16px}.voice-retry-btn{background:var(--primary-light);color:#fff;font-weight:700;font-size:.95rem;padding:10px 18px;border-radius:12px;border:none}.voice-retry-btn:active{background:var(--primary);transform:scale(.97)}.voice-retry-btn:disabled{opacity:.4;cursor:not-allowed}.dot-grid-wrapper{display:flex;flex-direction:column;align-items:center;gap:12px;padding:16px}.dot-grid-label{font-size:1.3rem;font-weight:700;color:var(--text)}.dot-grid-label span{color:var(--primary)}.dot-grid{display:flex;flex-direction:column;gap:var(--dot-gap, 6px);transition:transform .8s cubic-bezier(.4,0,.2,1)}.dot-grid.rotating{transform:rotate(90deg)}.dot-grid-row{display:flex;gap:var(--dot-gap, 6px);opacity:0;animation:rowAppear .4s ease forwards}.dot-grid-row.hidden{opacity:0;animation:none}.dot-grid-row.no-animation{opacity:1;animation:none}@keyframes rowAppear{0%{opacity:0;transform:translate(-10px)}to{opacity:1;transform:translate(0)}}.dot{width:var(--dot-size, 16px);height:var(--dot-size, 16px);border-radius:50%;background:var(--primary);flex-shrink:0}.dot-grid-wrapper.small .dot{width:10px;height:10px}.dot-grid-wrapper.small .dot-grid-row,.dot-grid-wrapper.small .dot-grid{gap:4px}.dot-grid-result{font-size:1.1rem;font-weight:600;color:var(--text-light);margin-top:4px;opacity:0;transition:opacity .3s ease}.dot-grid-result.visible{opacity:1}.dot-grid-result strong{color:var(--primary);font-weight:800}.strategy-hint{background:linear-gradient(135deg,#fff8e1,#fff3c4);border:2px solid #ffd54f;border-radius:16px;padding:12px 16px;text-align:left;animation:strategyHintIn .3s ease}.strategy-hint.feedback{max-width:320px;margin:12px auto}.strategy-hint.intro{margin:16px auto;max-width:360px}.strategy-hint-title{display:flex;align-items:flex-start;gap:8px;font-size:.95rem;font-weight:600;color:#5d4037;margin-bottom:8px;line-height:1.3}.strategy-hint-bulb{font-size:1.2rem;line-height:1;flex-shrink:0}.strategy-hint-lines{font-family:Courier New,ui-monospace,monospace;font-size:1.05rem;font-weight:700;color:#6d4c41;line-height:1.6;padding-left:4px}.strategy-hint-line{white-space:nowrap}.strategy-hint-recall{margin-top:10px;padding-top:10px;border-top:1px dashed #ffd54f;font-size:.85rem;font-style:italic;line-height:1.4;color:#6d4c41}@keyframes strategyHintIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.feedback-overlay{position:fixed;top:0;left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:center;z-index:200;animation:fadeIn .2s ease;padding:20px}.feedback-overlay.correct{background:#4caf5026}.feedback-overlay.incorrect{background:#ff6b6b1a}.feedback-card{background:var(--surface);border-radius:24px;padding:32px 24px;text-align:center;max-width:360px;width:100%;animation:scaleIn .3s cubic-bezier(.4,0,.2,1);box-shadow:0 12px 40px #00000026}.feedback-emoji{font-size:4rem;line-height:1;margin-bottom:12px}.feedback-emoji.celebrate{animation:mascotCelebrate .6s ease-in-out 2}@keyframes mascotCelebrate{0%{transform:scale(1) rotate(0)}25%{transform:scale(1.2) rotate(-10deg)}50%{transform:scale(1) rotate(0)}75%{transform:scale(1.2) rotate(10deg)}to{transform:scale(1) rotate(0)}}.feedback-star{font-size:3rem;line-height:1;margin-bottom:8px;animation:starPop .5s ease}@keyframes starPop{0%{transform:scale(0) rotate(-180deg);opacity:0}60%{transform:scale(1.3) rotate(10deg);opacity:1}to{transform:scale(1) rotate(0);opacity:1}}.feedback-message{font-size:1.5rem;font-weight:800;margin-bottom:8px}.feedback-message.correct{color:var(--success)}.feedback-message.incorrect{color:var(--secondary)}.feedback-sub{font-size:1rem;color:var(--text-light);margin-bottom:12px}.feedback-answer{font-size:1.3rem;font-weight:700;color:var(--primary);margin-bottom:16px;background:var(--background);padding:8px 16px;border-radius:12px;display:inline-block}.feedback-dotgrid{margin-top:8px}.feedback-ok-btn{margin-top:20px;background:var(--primary);color:#fff;border:none;border-radius:12px;padding:12px 40px;font-size:1.1rem;font-weight:700;cursor:pointer;min-width:120px;min-height:48px;transition:transform .1s ease,background .2s ease}.feedback-ok-btn:active{transform:scale(.96)}.session-screen{flex:1;display:flex;flex-direction:column;animation:fadeIn .3s ease}.session-header{display:flex;align-items:center;padding:12px 16px 4px;gap:8px}.session-mascot{flex-shrink:0}.session-progress{display:flex;align-items:center;justify-content:center;gap:4px;flex:1;min-width:0;padding:4px 4px 4px 0;overflow:hidden}.session-progress-dot{flex:0 1 24px;min-width:14px;aspect-ratio:1;border-radius:50%;background:var(--border);display:flex;align-items:center;justify-content:center;font-size:.65rem;transition:all .3s ease}.session-progress-dot.correct{background:var(--success);color:#fff;font-size:.7rem}.session-progress-dot.incorrect{background:var(--secondary);color:#fff;font-size:.7rem}.session-progress-dot.current{background:var(--primary);transform:scale(1.2);box-shadow:0 0 8px var(--shadow)}.session-intro{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;gap:16px;animation:slideUp .4s ease}.session-intro-title{font-size:1.4rem;font-weight:700;color:var(--primary)}.session-intro-explanation{font-size:1.1rem;color:var(--text);text-align:center;line-height:1.6}.session-intro-explanation strong{color:var(--primary);font-weight:800}.session-intro-commutativity{font-size:1rem;color:var(--text-light);text-align:center;font-style:italic}.session-intro-btn{margin-top:8px;padding:14px 36px;font-size:1.1rem;font-weight:700;color:#fff;background:var(--primary);border-radius:16px}.session-intro-btn:active{transform:scale(.95)}.session-question{flex:1;display:flex;flex-direction:column;align-items:center;animation:slideUp .3s ease}.session-question-text{font-size:2.8rem;font-weight:800;color:var(--text);padding:24px 20px 12px;letter-spacing:2px}.session-question-text .operator{color:var(--primary);margin:0 4px}.session-question-text .equals{color:var(--text-muted);margin-left:8px}.session-numpad-area{flex:1;display:flex;align-items:center;justify-content:center;width:100%}.badge{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px;border-radius:16px;background:var(--surface);border:2px solid var(--border);transition:transform .15s ease;min-width:90px}.badge:active{transform:scale(.95)}.badge.earned{border-color:var(--warning);box-shadow:0 2px 12px #ffc10733}.badge.locked{opacity:.5;filter:grayscale(.8)}.badge-icon{font-size:2rem;line-height:1}.badge.locked .badge-icon{filter:grayscale(1);opacity:.4}.badge-name{font-size:.8rem;font-weight:700;color:var(--text);text-align:center;line-height:1.2}.badge-date{font-size:.7rem;color:var(--text-muted)}.badge.locked .badge-name{color:var(--text-muted)}.recap-screen{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 20px;gap:20px;animation:slideUp .4s ease}.recap-title{font-size:1.6rem;font-weight:800;color:var(--text)}.recap-message{font-size:1.1rem;font-weight:600;color:var(--text-light);text-align:center;line-height:1.6;max-width:300px}.recap-badges{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}.recap-new-badge{animation:scaleIn .5s ease backwards}.recap-btn{margin-top:12px;padding:16px 40px;font-size:1.2rem;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-light));border-radius:18px;box-shadow:0 4px 16px var(--shadow)}.recap-btn:active{transform:scale(.95)}.recap-stats{display:flex;gap:16px;font-size:.9rem;color:var(--text-light)}.recap-stat{display:flex;flex-direction:column;align-items:center;gap:2px}.recap-stat-value{font-size:1.2rem;font-weight:800;color:var(--text)}.recap-progress{width:100%;max-width:280px;display:flex;flex-direction:column;align-items:center;gap:8px}.recap-progress-label{font-size:.95rem;font-weight:600;color:var(--text-light)}.recap-progress-bar{width:100%;height:14px;background:var(--border);border-radius:7px;overflow:hidden}.recap-progress-fill{height:100%;background:linear-gradient(90deg,var(--success),var(--success-light, #66bb6a));border-radius:7px;transition:width 1s ease}.recap-table-complete{display:flex;flex-direction:column;align-items:center;gap:8px;padding:24px 28px;background:linear-gradient(135deg,#fff8e1,#fff3e0);border:2px solid var(--warning-light);border-radius:20px;animation:tableCelebrate .6s ease backwards;text-align:center}.recap-table-complete-icon{font-size:3rem;animation:starPop .5s ease backwards}.recap-table-complete-title{font-size:1.3rem;font-weight:800;color:var(--text);line-height:1.4}.recap-table-complete-subtitle{font-size:.95rem;font-weight:600;color:var(--text-light)}@keyframes tableCelebrate{0%{opacity:0;transform:scale(.7) translateY(-10px)}60%{transform:scale(1.05) translateY(0)}to{opacity:1;transform:scale(1) translateY(0)}}.progress-grid-container{padding:16px;animation:fadeIn .3s ease}.progress-grid-title{font-size:1.3rem;font-weight:700;text-align:center;margin-bottom:12px;color:var(--text)}.progress-grid{display:grid;grid-template-columns:32px repeat(8,1fr);grid-template-rows:32px repeat(8,1fr);gap:3px;max-width:360px;margin:0 auto}.progress-grid-header{display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:700;color:var(--text-light)}.progress-grid-cell{aspect-ratio:1;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:.65rem;font-weight:700;color:#fff;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease;position:relative;border:none;min-width:0;min-height:0;padding:0}.progress-grid-cell:active{transform:scale(.9)}.progress-grid-cell.box-0{background:var(--box-gray);color:var(--text-muted)}.progress-grid-cell.box-1{background:var(--box-red)}.progress-grid-cell.box-2{background:var(--box-orange)}.progress-grid-cell.box-3{background:var(--box-yellow);color:var(--text)}.progress-grid-cell.box-4{background:var(--box-lightgreen)}.progress-grid-cell.box-5{background:var(--box-green)}.progress-grid-star{position:absolute;top:-2px;right:-2px;font-size:.55rem;line-height:1}.progress-grid-cell.diagonal{border:2px solid rgba(255,255,255,.4)}.fact-detail-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:100;animation:fadeIn .2s ease;padding:20px}.fact-detail-card{background:var(--surface);border-radius:20px;padding:24px;text-align:center;max-width:320px;width:100%;animation:scaleIn .2s ease;box-shadow:0 8px 32px #00000026}.fact-detail-card h3{font-size:1.8rem;color:var(--primary);margin-bottom:8px}.fact-detail-card p{color:var(--text-light);margin-bottom:4px;font-size:.95rem}.fact-detail-close{margin-top:16px;padding:10px 32px;background:var(--primary);color:#fff;border-radius:12px;font-size:1rem;font-weight:700}.progress-screen{flex:1;display:flex;flex-direction:column;animation:fadeIn .3s ease}.progress-header{display:flex;align-items:center;padding:16px 20px;gap:12px}.progress-back-btn{width:40px;height:40px;border-radius:12px;background:var(--surface);border:2px solid var(--border);font-size:1.2rem;display:flex;align-items:center;justify-content:center;color:var(--text)}.progress-back-btn:active{transform:scale(.9)}.progress-title{font-size:1.3rem;font-weight:700;color:var(--text)}.progress-stats-summary{display:flex;justify-content:center;gap:20px;padding:8px 20px 16px}.progress-stat{display:flex;flex-direction:column;align-items:center;gap:2px}.progress-stat-value{font-size:1.4rem;font-weight:800;color:var(--primary)}.progress-stat-label{font-size:.8rem;color:var(--text-light)}.progress-legend{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;padding:12px 20px}.progress-legend-item{display:flex;align-items:center;gap:4px;font-size:.75rem;color:var(--text-light)}.progress-legend-dot{width:12px;height:12px;border-radius:4px}.badges-screen{flex:1;display:flex;flex-direction:column;animation:fadeIn .3s ease}.badges-header{display:flex;align-items:center;padding:16px 20px;gap:12px}.badges-back-btn{width:40px;height:40px;border-radius:12px;background:var(--surface);border:2px solid var(--border);font-size:1.2rem;display:flex;align-items:center;justify-content:center;color:var(--text)}.badges-back-btn:active{transform:scale(.9)}.badges-title{font-size:1.3rem;font-weight:700;color:var(--text)}.badges-count{font-size:.9rem;color:var(--text-light);text-align:center;margin-bottom:8px}.badges-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;padding:12px 20px}.rules-screen{flex:1;display:flex;flex-direction:column;animation:fadeIn .3s ease}.rules-header{display:flex;align-items:center;padding:16px 20px;gap:12px}.rules-back-btn{width:40px;height:40px;border-radius:12px;background:var(--surface);border:2px solid var(--border);font-size:1.2rem;display:flex;align-items:center;justify-content:center;color:var(--text)}.rules-back-btn:active{transform:scale(.9)}.rules-title{font-size:1.3rem;font-weight:700;color:var(--text)}.rules-content{display:flex;flex-direction:column;gap:24px;padding:12px 20px 32px;overflow-y:auto}.rule-card{background:var(--surface);border-radius:20px;padding:24px 20px;border:2px solid var(--border);animation:slideUp .4s ease both}.rule-card:nth-child(2){animation-delay:.1s}.rule-card-icon{font-size:2.4rem;text-align:center;margin-bottom:8px}.rule-card-heading{font-size:1.2rem;font-weight:800;color:var(--primary);text-align:center;margin-bottom:12px}.rule-card-message{font-size:1.05rem;font-weight:700;color:var(--text);text-align:center;margin-bottom:16px;line-height:1.4}.rule-examples{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}.rule-example{background:var(--background);border-radius:14px;padding:10px 16px;font-size:1.15rem;font-weight:700;color:var(--text);border:2px solid var(--border);animation:scaleIn .3s ease both}.rule-example:nth-child(1){animation-delay:.15s}.rule-example:nth-child(2){animation-delay:.25s}.rule-example:nth-child(3){animation-delay:.35s}.rule-example:nth-child(4){animation-delay:.45s}.rule-example-highlight{color:var(--primary)}.rule-card-tip{font-size:.9rem;color:var(--text-light);text-align:center;margin-top:14px;font-style:italic}.rules-intro-screen{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 20px;gap:24px;animation:fadeIn .5s ease}.rules-intro-step{display:flex;flex-direction:column;align-items:center;gap:16px;animation:slideUp .4s ease;text-align:center;max-width:360px}.rules-intro-icon{font-size:3rem;animation:scaleIn .4s ease}.rules-intro-title{font-size:1.7rem;font-weight:800;color:var(--primary)}.rules-intro-subtitle{font-size:1.05rem;color:var(--text-light);line-height:1.6}.rules-intro-message{font-size:1.1rem;font-weight:700;color:var(--text);line-height:1.5}.rules-intro-examples{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:4px}.rules-intro-example{background:var(--surface);border-radius:14px;padding:10px 16px;font-size:1.15rem;font-weight:700;color:var(--text);border:2px solid var(--border);animation:scaleIn .3s ease both}.rules-intro-example:nth-child(1){animation-delay:.2s}.rules-intro-example:nth-child(2){animation-delay:.35s}.rules-intro-highlight{color:var(--primary)}.rules-intro-tip{font-size:.95rem;color:var(--text-light);font-style:italic;line-height:1.4}.rules-intro-btn{padding:14px 36px;font-size:1.1rem;font-weight:700;color:#fff;background:var(--primary);border-radius:16px;transition:all .15s ease;margin-top:4px}.rules-intro-btn:active{transform:scale(.95)}.rules-intro-btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-light));padding:16px 44px;font-size:1.15rem;font-weight:800;border-radius:18px;box-shadow:0 4px 16px var(--shadow)}.rules-intro-dots{display:flex;gap:8px}.rules-intro-dot{width:10px;height:10px;border-radius:50%;background:var(--border);transition:all .3s ease}.rules-intro-dot.active{background:var(--primary);transform:scale(1.2)}.glisse-demo{display:flex;align-items:center;justify-content:center;gap:12px;margin:8px 0 4px}.glisse-side{display:flex;flex-direction:column;align-items:center;gap:6px}.glisse-labels{display:grid;grid-template-columns:44px 44px;gap:4px;font-size:.7rem;font-weight:700;color:var(--text-light);text-transform:uppercase;letter-spacing:1px}.glisse-labels span{text-align:center}.glisse-row{display:grid;grid-template-columns:44px 44px;gap:4px}.glisse-cell{width:44px;height:52px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:800;color:var(--text);background:var(--surface);border:2px solid var(--border);border-radius:8px}.glisse-cell.empty{background:transparent;border-style:dashed;border-color:var(--border)}.glisse-cell.slide-in-left{animation:glisseSlideLeft .9s ease-out both;animation-delay:.2s;color:var(--primary)}.glisse-cell.fade-in-zero{animation:glisseFadeZero .5s ease-out both;animation-delay:.9s;color:var(--primary)}.glisse-caption{font-size:1.05rem;font-weight:800;color:var(--primary)}.glisse-arrow{display:flex;flex-direction:column;align-items:center;gap:2px;color:var(--text-light)}.glisse-arrow-label{font-size:.8rem;font-weight:700}.glisse-arrow-icon{font-size:1.3rem;color:var(--primary)}@keyframes glisseSlideLeft{0%{transform:translate(48px);opacity:0}60%{transform:translate(0);opacity:1}to{transform:translate(0);opacity:1}}@keyframes glisseFadeZero{0%{opacity:0;transform:scale(.6)}to{opacity:1;transform:scale(1)}}.parent-dashboard{flex:1;display:flex;flex-direction:column;animation:fadeIn .3s ease;padding-bottom:24px}.parent-header{display:flex;align-items:center;padding:16px 20px;gap:12px}.parent-back-btn{width:40px;height:40px;border-radius:12px;background:var(--surface);border:2px solid var(--border);font-size:1.2rem;display:flex;align-items:center;justify-content:center;color:var(--text)}.parent-back-btn:active{transform:scale(.9)}.parent-title{font-size:1.3rem;font-weight:700;color:var(--text)}.parent-section{padding:0 20px;margin-bottom:20px}.parent-section h3{font-size:1rem;font-weight:700;color:var(--text);margin-bottom:10px;padding-bottom:6px;border-bottom:2px solid var(--border)}.parent-histogram{display:flex;align-items:flex-end;gap:8px;height:120px;padding:8px 0}.parent-histogram-bar{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:4px}.parent-histogram-fill{width:100%;border-radius:6px 6px 0 0;transition:height .5s ease;min-height:4px}.parent-histogram-label{font-size:.75rem;font-weight:700;color:var(--text-light)}.parent-histogram-count{font-size:.7rem;font-weight:600;color:var(--text-muted)}.parent-evolution-chart{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:12px 8px 4px;overflow:hidden}.parent-evolution-chart svg{width:100%;height:auto;display:block}.parent-hard-facts{display:flex;flex-direction:column;gap:6px}.parent-hard-fact{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;background:var(--surface);border-radius:10px;border:1px solid var(--border)}.parent-hard-fact-name{font-weight:700;color:var(--text)}.parent-hard-fact-errors{font-size:.85rem;color:var(--secondary);font-weight:600}.parent-time-table{display:grid;grid-template-columns:repeat(4,1fr);gap:4px}.parent-time-cell{padding:6px;text-align:center;border-radius:6px;font-size:.75rem}.parent-time-cell.header{font-weight:700;color:var(--text);background:var(--border)}.parent-time-cell.fast{background:#4caf5026;color:var(--success);font-weight:600}.parent-time-cell.medium{background:#ffc10726;color:#d4a007;font-weight:600}.parent-time-cell.slow{background:#ff6b6b26;color:var(--secondary);font-weight:600}.parent-stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.parent-stat-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:12px;text-align:center}.parent-stat-value{font-size:1.4rem;font-weight:800;color:var(--primary)}.parent-stat-label{font-size:.75rem;color:var(--text-light)}.parent-session-history{display:flex;flex-direction:column;gap:6px}.parent-session-row{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;background:var(--surface);border-radius:10px;border:1px solid var(--border);font-size:.85rem}.parent-session-date{font-weight:600;color:var(--text);flex:1}.parent-session-score{font-weight:700;color:var(--primary);margin-right:12px}.parent-session-time{font-weight:600;color:var(--text-light);min-width:40px;text-align:right}.parent-reset-btn{width:32px;height:32px;border-radius:8px;background:var(--surface);border:1px solid var(--border);font-size:1rem;color:var(--text-muted);display:flex;align-items:center;justify-content:center;flex-shrink:0}.parent-reset-btn:active{background:var(--border)}.parent-reset-confirm-btn{padding:4px 10px;font-size:.75rem;font-weight:700;border-radius:8px;background:var(--secondary);color:#fff;flex-shrink:0}.parent-reset-tables{display:flex;flex-wrap:wrap;gap:8px}.parent-reset-table-btn{padding:8px 14px;font-size:.85rem;font-weight:700;border-radius:10px;background:var(--surface);border:1px solid var(--border);color:var(--text);transition:all .15s}.parent-reset-table-btn:active{transform:scale(.95)}.parent-reset-table-btn.confirming{background:var(--secondary);border-color:var(--secondary);color:#fff;font-size:.75rem}.parent-actions{display:flex;gap:10px;padding:0 20px}.parent-action-btn{flex:1;padding:12px;font-size:.9rem;font-weight:700;border-radius:12px;border:2px solid var(--primary);color:var(--primary);background:var(--surface);transition:all .15s}.parent-action-btn:active{background:var(--primary);color:#fff;transform:scale(.95)}.parent-import-area{margin-top:8px;padding:0 20px}.parent-import-textarea{width:100%;padding:10px;border:2px solid var(--border);border-radius:10px;font-family:monospace;font-size:.75rem;min-height:60px;resize:vertical}.parent-import-confirm{margin-top:8px;padding:8px 20px;font-size:.85rem;font-weight:700;color:#fff;background:var(--success);border-radius:10px}.app{flex:1;display:flex;flex-direction:column;background:var(--background);min-height:100vh;min-height:100dvh}.app-loading{flex:1;display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:var(--text-light)}