@import"https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700&display=swap";@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #6366f1;--primary-light: #818cf8;--secondary: #10b981;--accent: #f59e0b;--error: #ef4444;--success: #22c55e;--bg: #0f172a;--bg-main: #0f172a;--bg-card: #1e293b;--bg-hover: #334155;--text: #f8fafc;--text-muted: #94a3b8;--text-dim: #64748b;--radius: 12px;--radius-sm: 8px;--radius-lg: 20px;--transition: .2s cubic-bezier(.25, .46, .45, .94)}html,body,#root{height:100%}#root{display:flex;flex-direction:column}body{font-family:Outfit,Inter,-apple-system,sans-serif;background:var(--bg-main);color:var(--text);margin:0;padding:0;overflow-x:hidden}.site-header{background:#0f172af2;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.1);padding:.8rem 1rem;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;position:sticky;top:0;z-index:1000}.header-left{display:flex;justify-content:flex-start}.header-center{display:flex;flex-direction:column;align-items:center;text-align:center;white-space:nowrap}.header-right{display:flex;justify-content:flex-end}.logo-text{font-size:1rem;font-weight:700;background:linear-gradient(135deg,#60a5fa,#a78bfa);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;text-align:left}.greeting{font-size:1.1rem;color:var(--text);font-weight:600;margin:0}.stats-info{font-size:.7rem;color:var(--text-muted);margin:0}.main-nav{display:flex;gap:8px}.nav-item{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;color:var(--text-muted);background:transparent;border:none;cursor:pointer;transition:all .3s ease}.nav-item svg{width:20px;height:20px}.nav-item:hover{background:#ffffff1a;color:var(--text)}.nav-item.active{background:var(--primary);color:#fff;box-shadow:0 4px 12px #6366f14d}.app-content{flex:1;display:flex;justify-content:center;padding:1rem}.app{width:100%;max-width:500px;height:auto;min-height:500px;background:var(--bg-card);border-radius:var(--radius-lg);box-shadow:0 25px 50px -12px #00000080;display:flex;flex-direction:column;position:relative;overflow:hidden;padding:20px;flex:1}@media(min-width:768px){.app{max-width:700px}}.screen{flex:1;display:flex;flex-direction:column;overflow:hidden}.category-list,.topic-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;padding:10px 0}@media(max-width:360px){.category-list,.topic-list{grid-template-columns:1fr}}.category-item,.topic-item{background:linear-gradient(145deg,var(--bg-hover),#243045);border-radius:var(--radius);padding:15px;cursor:pointer;transition:all var(--transition);border:1px solid rgba(255,255,255,.05);display:flex;flex-direction:column;align-items:center;text-align:center;position:relative;min-height:110px;justify-content:center;gap:8px}.category-item:hover,.topic-item:hover{transform:translateY(-3px);box-shadow:0 10px 20px #0003;border-color:var(--primary)}.category-item span{font-size:1.15rem;font-weight:600;margin-bottom:4px}.category-item small{font-size:.75rem;color:var(--text-muted)}.topic-content{display:flex;flex-direction:column;align-items:center}.topic-content span{font-size:1.1rem;font-weight:600}.topic-best{font-size:.75rem;color:var(--text-muted)}.topic-stars{display:flex;gap:2px}.topic-stars .star{color:#475569;font-size:1.2rem}.topic-stars .star.filled{color:var(--accent);text-shadow:0 0 8px rgba(245,158,11,.4)}.badge-new{position:absolute;top:6px;right:6px;background:var(--accent);color:#000;font-size:.55rem;padding:2px 6px;border-radius:4px;font-weight:800;text-transform:uppercase}.home-leaderboard{margin-top:25px;background:#0003;padding:16px;border-radius:var(--radius)}.btn-link{background:none;border:none;color:var(--primary-light);cursor:pointer;font-size:.8rem;font-family:inherit;font-weight:500}.mini-rank-item{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.05);font-size:.9rem;align-items:center}.mini-rank-item:last-child{border-bottom:none}.mini-rank-item .rank{width:25px;height:25px;background:#ffffff1a;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.75rem;color:var(--text-muted)}.mini-rank-item .stars{color:var(--accent);font-weight:700}.new-record-banner{background:linear-gradient(90deg,#f59e0b,#d97706);color:#fff;text-align:center;padding:10px;border-radius:var(--radius) var(--radius) 0 0;font-weight:700;margin-bottom:-10px;z-index:10;position:relative;box-shadow:0 4px 15px #f59e0b66}.pulse{animation:pulse 1.5s infinite}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}.score-display{text-align:center;padding:30px 20px;background:var(--bg-hover);border-radius:var(--radius);margin-top:10px;position:relative;overflow:hidden}.score-display .score{font-size:4rem;font-weight:800;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1;margin:10px 0}.score-display .label{font-size:.9rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}.star-container{font-size:4.5rem;margin-bottom:15px;height:80px;display:flex;align-items:center;justify-content:center}@media(max-width:600px){.star-container{font-size:3rem;height:60px}}.star-anim{display:inline-block;animation:starFlyIn .8s cubic-bezier(.175,.885,.32,1.275) forwards;opacity:0;transform:scale(0)}.star-anim:nth-child(1){animation-delay:.1s}.star-anim:nth-child(2){animation-delay:.3s}.star-anim:nth-child(3){animation-delay:.5s}.star-anim:nth-child(4){animation-delay:.7s}.star-anim:nth-child(5){animation-delay:.9s}@keyframes starFlyIn{0%{opacity:0;transform:scale(5) rotate(-180deg) translateY(-50px)}60%{opacity:1;transform:scale(.8) rotate(10deg)}to{opacity:1;transform:scale(1) rotate(0)}}.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:20px 0}.stat-card{background:var(--bg-hover);padding:15px 10px;border-radius:var(--radius);text-align:center;border:1px solid rgba(255,255,255,.05)}.stat-card .value{font-size:1.5rem;font-weight:800;margin-bottom:5px}.stat-card .label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase}.stat-card.success .value{color:var(--success)}.stat-card.error .value{color:var(--error)}.stat-card.accent .value{color:var(--primary-light)}.stat-card.accent{border-color:var(--primary);background:#6366f11a}.btn-row{display:flex;gap:12px;margin-top:20px}.btn-row .btn{flex:1}.answer-btn.correct,.answer-btn.correct:disabled{background:#22c55e33!important;border-color:#4ade80!important;color:#4ade80!important;box-shadow:0 0 10px #4ade8033;opacity:1!important}.answer-btn.correct-pop,.answer-btn.correct-pop:disabled{animation:correctPop .5s cubic-bezier(.175,.885,.32,1.275);background:#22c55e!important;border-color:#4ade80!important;color:#fff!important;transform:scale(1.05);box-shadow:0 0 15px #22c55e99;opacity:1!important}.answer-btn.wrong,.answer-btn.wrong:disabled{background:#ef4444!important;border-color:#f87171!important;color:#fff!important;animation:shake .5s cubic-bezier(.36,.07,.19,.97) both;box-shadow:0 0 15px #ef444466;opacity:1!important}@keyframes correctPop{0%{transform:scale(1)}40%{transform:scale(1.15);box-shadow:0 0 20px #22c55ecc}to{transform:scale(1)}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-6px)}75%{transform:translate(6px)}}.screen-header{text-align:center;margin-bottom:20px}.screen-header h1{font-size:1.8rem;font-weight:700}.about-modal{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000d9;z-index:9999;display:flex;align-items:center;justify-content:center;padding:20px;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.about-content{background:var(--bg-card);border-radius:var(--radius-lg);padding:30px;max-width:400px;width:100%;text-align:center;position:relative;border:1px solid rgba(255,255,255,.1);animation:modalPop .3s ease;box-shadow:0 25px 50px -12px #00000080}.about-close{position:absolute;top:10px;right:15px;background:none;border:none;font-size:2rem;color:var(--text-muted);cursor:pointer}.about-close:hover{color:var(--text)}.about-content h2{margin-bottom:15px;color:var(--primary-light)}.about-content p{margin-bottom:15px;line-height:1.5;color:var(--text-dim)}.about-contact{margin-top:20px;font-size:.9rem;border-top:1px solid rgba(255,255,255,.05);padding-top:15px}.about-contact a{color:var(--primary);text-decoration:none;font-weight:500}.progress-row{display:flex;align-items:center;gap:8px;margin-bottom:10px}.progress-bar{flex:1;height:6px;background:#ffffff1a;border-radius:3px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--secondary));border-radius:3px;transition:width .4s ease}.progress-text{font-size:.75rem;color:var(--text-muted);min-width:35px;text-align:right}.question-card{background:var(--bg-hover);border-radius:var(--radius);padding:20px;text-align:center;margin-bottom:20px;box-shadow:inset 0 2px 4px #0000001a}.question-label{font-size:.8rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:8px}.question-text{font-size:1.5rem;font-weight:700;line-height:1.4}.answers-grid{display:grid;gap:12px;flex:1;width:100%;align-content:center}.answers-grid.cols-2,.answers-grid.cols-4{grid-template-columns:1fr 1fr}.answer-btn{background:var(--bg-card);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-sm);padding:15px;color:var(--text);font-family:inherit;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all var(--transition);display:flex;align-items:center;justify-content:center;min-height:70px}.answer-btn:hover:not(:disabled){background:var(--bg-hover);border-color:var(--primary);transform:translateY(-2px)}.answer-btn.correct{background:var(--success);border-color:var(--success);color:#fff}.answer-btn.wrong{background:var(--error);border-color:var(--error);color:#fff}.answer-btn:disabled{opacity:.8;cursor:default}.answer-btn.wrong.shake{animation:shake .4s}.answer-wrapper{display:flex;flex-direction:row;align-items:center;gap:6px}.answer-wrapper .answer-btn{flex:1;min-height:60px}.answer-wrapper.with-audio .answer-btn{padding:10px 8px;font-size:1rem;min-height:55px}.tts-btn{background:#ffffff1a;border:1px solid rgba(255,255,255,.2);border-radius:8px;width:40px;height:40px;min-width:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1.2rem;transition:all .2s;flex-shrink:0}.tts-btn:hover{background:#fff3;border-color:var(--primary)}.tts-btn-large{background:none;border:none;cursor:pointer;font-size:1.5rem;padding:5px;opacity:.7;transition:opacity .2s}.tts-btn-large:hover{opacity:1}@media(max-width:400px){.answer-wrapper{gap:4px}.answer-wrapper.with-audio .answer-btn{padding:8px 6px;font-size:.9rem;min-height:50px}.tts-btn{width:34px;height:34px;min-width:34px;font-size:1rem}.question-text{font-size:1.2rem!important}.question-card{padding:12px}}.fraction-row{display:flex;align-items:center;justify-content:center;gap:12px}.fraction{display:inline-flex;flex-direction:column;align-items:center;vertical-align:middle}.fraction .num{border-bottom:2px solid currentColor;padding-bottom:2px;display:block;width:100%;text-align:center}.fraction .den{padding-top:2px;display:block;width:100%;text-align:center}.numpad-container{display:flex;flex-direction:column;align-items:center;gap:10px;width:100%;flex:1;justify-content:center}.numpad-display{background:var(--bg-main);border:2px solid var(--primary);border-radius:var(--radius-sm);padding:10px 20px;font-size:1.8rem;font-weight:700;color:var(--text);min-width:120px;text-align:center;box-shadow:0 4px 10px #0003;margin-bottom:5px}.numpad{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;width:100%;max-width:220px}.numpad-btn{background:var(--bg-hover);border:none;border-radius:var(--radius-sm);padding:0;font-family:inherit;font-size:1.3rem;font-weight:600;color:var(--text);cursor:pointer;transition:all .1s;aspect-ratio:1;display:flex;align-items:center;justify-content:center;height:60px}.numpad-btn:hover{background:#475569}.numpad-btn:active{transform:scale(.95)}.numpad-btn.action{background:var(--success);color:#fff}.numpad-btn.delete{background:var(--error);color:#fff}.celebration-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#22c55e66;z-index:9999;display:flex;align-items:center;justify-content:center;pointer-events:none;animation:fadeInOut .8s ease forwards;overflow:hidden}.celebration-content{display:flex;flex-direction:column;align-items:center;animation:zoomIn .4s cubic-bezier(.175,.885,.32,1.275)}.checkmark-icon{font-size:8rem;color:#fff;text-shadow:0 0 20px rgba(0,0,0,.5);line-height:1}.celebration-text{font-size:2.5rem;font-weight:800;color:#fff;text-shadow:0 0 10px rgba(0,0,0,.5);margin-top:-10px}@keyframes fadeInOut{0%{opacity:0}10%{opacity:1}80%{opacity:1}to{opacity:0}}@keyframes zoomIn{0%{transform:scale(0)}60%{transform:scale(1.2)}to{transform:scale(1)}}.confetti-piece{position:absolute;width:15px;height:15px;background:gold;top:50%;left:50%;opacity:0}.p1{background:red;animation:explode1 .6s ease-out forwards}.p2{background:#0f0;animation:explode2 .6s ease-out forwards}.p3{background:#00f;animation:explode3 .6s ease-out forwards}.p4{background:#ff0;animation:explode4 .6s ease-out forwards}.p5{background:#f0f;animation:explode5 .6s ease-out forwards}.p6{background:#0ff;animation:explode6 .6s ease-out forwards}@keyframes explode1{0%{opacity:1;transform:translate(0) rotate(0)}to{opacity:0;transform:translate(-100px,-100px) rotate(360deg)}}@keyframes explode2{0%{opacity:1;transform:translate(0) rotate(0)}to{opacity:0;transform:translate(100px,-80px) rotate(-180deg)}}@keyframes explode3{0%{opacity:1;transform:translate(0) rotate(0)}to{opacity:0;transform:translate(-80px,100px) rotate(90deg)}}@keyframes explode4{0%{opacity:1;transform:translate(0) rotate(0)}to{opacity:0;transform:translate(80px,120px) rotate(-45deg)}}@keyframes explode5{0%{opacity:1;transform:translate(0) rotate(0)}to{opacity:0;transform:translate(-120px) rotate(180deg)}}@keyframes explode6{0%{opacity:1;transform:translate(0) rotate(0)}to{opacity:0;transform:translate(120px) rotate(-180deg)}}.profile-card{background:var(--bg-hover);border-radius:var(--radius);padding:30px;text-align:center;margin:20px 0}.tips-list{display:flex;flex-direction:column;gap:15px;padding-bottom:20px}.tip-card{background:var(--bg-hover);border-radius:var(--radius);padding:20px;display:flex;align-items:flex-start;gap:15px;border:1px solid rgba(255,255,255,.05);transition:transform .2s}.tip-card:hover{transform:translateY(-2px);border-color:var(--primary)}.tip-icon{font-size:2rem;min-width:50px;height:50px;background:#ffffff0d;border-radius:50%;display:flex;align-items:center;justify-content:center}.tip-content h3{margin-bottom:5px;font-size:1.1rem;color:var(--primary-light)}.tip-content p{font-size:.95rem;color:var(--text-dim);line-height:1.4}.avatar{width:80px;height:80px;background:linear-gradient(135deg,var(--primary),#a78bfa);border-radius:50%;margin:0 auto 15px;display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:700;color:#fff}.stats-list{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:20px}.stat-row{background:#0003;padding:15px;border-radius:var(--radius-sm);display:flex;flex-direction:column}.stat-row span{font-size:.8rem;color:var(--text-muted)}.stat-row strong{font-size:1.4rem;color:var(--text);margin-top:4px}.sorting-container{width:100%;display:flex;flex-direction:column;gap:20px;align-items:center}.sorted-area{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;width:100%;min-height:60px;background:#0000001a;padding:10px;border-radius:var(--radius)}.sort-slot{min-width:60px;height:40px;background:var(--bg-main);border:2px dashed var(--bg-hover);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:var(--text-dim);font-size:.8rem;padding:0 8px}.sort-slot.filled{background:var(--primary);color:#fff;border-style:solid;border-color:var(--primary);animation:pop .3s ease}.pool-area{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.pool-btn{background-color:#ffffff1a;border:2px solid rgba(255,255,255,.2);color:#fff;padding:15px 20px;border-radius:12px;font-size:1.2rem;font-weight:600;cursor:pointer;transition:all .2s;box-shadow:0 4px 6px #0003}.pool-btn:hover{background-color:#fff3;transform:translateY(-2px);border-color:#ffffff80}.leaderboard-my-stats{display:flex;gap:15px;margin-bottom:25px}.leaderboard-my-stats .stat-box{flex:1;background:var(--bg-hover);padding:15px;border-radius:var(--radius);display:flex;flex-direction:column;align-items:center;border:1px solid rgba(255,255,255,.05)}.leaderboard-my-stats .stat-box.highlight{background:#f59e0b26;border-color:#f59e0b4d}.leaderboard-my-stats .value{font-size:1.5rem;font-weight:700;color:var(--text)}.leaderboard-my-stats .highlight .value{color:var(--accent)}.leaderboard-my-stats .label{font-size:.8rem;color:var(--text-muted);text-transform:uppercase;margin-top:5px}.leaderboard-list{display:flex;flex-direction:column;gap:8px;overflow-y:auto;max-height:60vh;padding-right:5px}.leaderboard-item{display:flex;align-items:center;background:var(--bg-hover);padding:10px 15px;border-radius:var(--radius-sm);gap:15px;border:1px solid transparent}.leaderboard-item.top-rank{background:linear-gradient(90deg,#ffffff0d,#ffffff05);border-color:#ffffff1a}.leaderboard-item .rank{font-size:1.2rem;font-weight:700;color:var(--text-muted);min-width:30px}.leaderboard-item.top-rank .rank{color:var(--accent)}.leaderboard-item .user-info{flex:1;display:flex;flex-direction:column}.leaderboard-item .name{font-weight:600;font-size:1rem}.leaderboard-item .time-info{font-size:.75rem;color:var(--text-dim)}.leaderboard-item .stars{font-weight:700;font-size:1.2rem;color:var(--text);display:flex;align-items:center;gap:5px}.leaderboard-item .star-icon{color:var(--accent);font-size:1rem}.empty-state{text-align:center;padding:20px;color:var(--text-muted)}.pool-btn:hover{border-color:var(--primary);transform:translateY(-2px)}.pool-btn.wrong-sort{border-color:var(--error);color:var(--error);animation:shake .4s}.modal-overlay{position:fixed;inset:0;width:100vw;height:100vh;background:#000000d9;display:flex;align-items:center;justify-content:center;z-index:9999;padding:20px;box-sizing:border-box}.modal{background:var(--bg-card);border-radius:var(--radius-lg);padding:30px;max-width:400px;width:90%;text-align:center;animation:modalPop .3s ease;box-shadow:0 25px 50px #00000080}.modal-content{background:var(--bg-card);border-radius:var(--radius);padding:25px;max-width:320px;text-align:center;animation:modalPop .3s ease}@keyframes modalPop{0%{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}.site-footer{padding:1rem;text-align:center;color:var(--text-muted);font-size:.85rem;border-top:1px solid rgba(255,255,255,.05);margin-top:auto}.site-footer a{color:var(--primary-light);text-decoration:none}.btn{padding:12px 20px;border:none;border-radius:var(--radius-sm);font-family:inherit;font-size:1rem;font-weight:600;cursor:pointer;transition:all var(--transition)}.btn-secondary{background:var(--bg-hover);color:var(--text)}.btn-secondary:hover{background:#475569}.btn-block{width:100%}.visitor-count{display:none}@media(max-width:767px){[id*=kofi-widget-overlay]{left:50%!important;transform:translate(-50%)!important;bottom:20px!important;right:auto!important}}.feedback-screen h1{font-size:2.5rem;margin-bottom:2rem;text-align:center;background:linear-gradient(135deg,#fbbf24,#f59e0b);-webkit-background-clip:text;-webkit-text-fill-color:transparent;filter:drop-shadow(0 2px 4px rgba(0,0,0,.3))}.feedback-container{max-width:800px;margin:0 auto;display:grid;grid-template-columns:1fr;gap:2rem;padding-bottom:4rem}.feedback-form-card{background:#1e293b;padding:2rem;border-radius:1.5rem;box-shadow:0 10px 25px -5px #0000004d;border:1px solid rgba(255,255,255,.05);position:relative;overflow:hidden}.feedback-form-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#6366f1,#a855f7,#ec4899)}.feedback-form-card h3{margin-bottom:1.5rem;font-size:1.4rem;color:#f1f5f9;display:flex;align-items:center;gap:.5rem}.feedback-form-card textarea{width:100%;background:#0f172a;border:2px solid #334155;color:#f8fafc;font-family:inherit;padding:1rem;border-radius:1rem;margin-bottom:1.5rem;resize:vertical;font-size:1rem;line-height:1.6;transition:all .2s;min-height:120px}.feedback-form-card textarea:focus{outline:none;border-color:#818cf8;box-shadow:0 0 0 3px #818cf833}.feedback-list h3{margin:1rem 0;font-size:1.2rem;color:#94a3b8;text-transform:uppercase;letter-spacing:.05em;font-weight:700}.feedback-item{background:#1e293b;padding:1.5rem;border-radius:1rem;margin-bottom:1rem;border:1px solid rgba(255,255,255,.05);display:flex;flex-direction:column;gap:.5rem;transition:transform .2s,box-shadow .2s}.feedback-item.resolved{border-left:4px solid #22c55e}.feedback-item:not(.resolved){border-left:4px solid #3b82f6}.feedback-header{display:flex;justify-content:space-between;align-items:center;padding-bottom:10px;border-bottom:1px solid rgba(255,255,255,.05);margin-bottom:10px}.feedback-header .author{font-weight:700;font-size:1.1rem;color:#fff;display:flex;align-items:center;gap:8px}.feedback-header .author:before{content:"👤";font-size:.9em;opacity:.7}.feedback-header .date{font-size:.85rem;color:#94a3b8;background:#ffffff0d;padding:4px 8px;border-radius:6px}.feedback-body{font-size:1.1rem;color:#e2e8f0;line-height:1.6;white-space:pre-wrap;background:#00000026;padding:15px;border-radius:8px}.feedback-footer{display:flex;justify-content:space-between;align-items:center;padding-top:5px;font-size:.9rem}.badge{padding:.4em .8em;border-radius:9999px;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em}.badge-success{background:#22c55e26;color:#4ade80;border:1px solid rgba(34,197,94,.3)}.badge-pending{background:#3b82f626;color:#60a5fa;border:1px solid rgba(59,130,246,.3)}.footer-cta-container{margin:2rem 0;padding:1.5rem;background:linear-gradient(to bottom right,#ffffff08,#ffffff03);border-radius:1rem;border:1px dashed rgba(255,255,255,.15);text-align:center}.pulse-effect{animation:shadow-pulse 2s infinite}@keyframes shadow-pulse{0%{box-shadow:0 0 #6366f166}70%{box-shadow:0 0 0 10px #6366f100}to{box-shadow:0 0 #6366f100}}.answer-wrapper{display:flex;align-items:stretch;width:100%;gap:8px}.answer-wrapper .answer-btn{flex:1;display:flex;align-items:center;justify-content:center}.tts-btn{width:50px;min-width:50px;background:#6366f14d!important;border:2px solid var(--primary)!important;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1.4rem;color:var(--text);transition:all .2s ease;padding:0}.tts-btn:hover{background:var(--primary)!important;color:#fff;transform:scale(1.05);box-shadow:0 0 15px #6366f199}.tts-btn:active{transform:scale(.95)}.error-overlay{background:#000000e6!important}.error-modal{background:linear-gradient(145deg,#1e293b,#0f172a)!important;border:2px solid var(--error)!important;max-width:90vw;width:400px;padding:25px;border-radius:var(--radius-lg);text-align:center}.error-title{color:var(--error);font-size:1.5rem;margin-bottom:20px}.error-details{background:#0000004d;border-radius:var(--radius);padding:15px;margin-bottom:20px;text-align:left}.error-row{display:flex;flex-direction:column;gap:4px;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.1)}.error-row:last-child{border-bottom:none}.error-row .label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.error-row .value{font-size:1.1rem;font-weight:600;word-break:break-word}.error-row.wrong .value{color:var(--error);text-decoration:line-through;opacity:.7}.error-row.correct .value{color:var(--success);font-size:1.3rem}@media(max-width:480px){.error-modal{width:95vw;padding:15px}.error-title{font-size:1.2rem}.error-row .value{font-size:1rem}.error-row.correct .value{font-size:1.1rem}}.learning-overlay{background:#000000eb!important}.learning-modal{background:linear-gradient(145deg,#1e293b,#0f172a)!important;border:2px solid var(--primary)!important;max-width:95vw;width:500px;max-height:85vh;padding:25px;border-radius:var(--radius-lg);text-align:center;position:relative;display:flex;flex-direction:column}.learning-close{position:absolute;top:10px;right:15px;background:none;border:none;font-size:2rem;color:var(--text-muted);cursor:pointer;line-height:1;z-index:10}.learning-close:hover{color:var(--text)}.learning-title{color:var(--primary-light);font-size:1.5rem;margin-bottom:20px;padding-right:30px}.learning-content{flex:1;overflow-y:auto;text-align:left;padding:10px;margin-bottom:15px}.learning-text{font-size:1rem;line-height:1.6}.learning-text p{margin-bottom:12px}.learning-section{margin-bottom:20px;padding:15px;background:#0003;border-radius:var(--radius)}.learning-section h3{color:var(--primary-light);margin-bottom:10px;font-size:1.1rem}.learning-letters{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}.learning-letters span{width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);font-weight:700;font-size:1.2rem}.learning-letters.vowels span{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff}.learning-letters.consonants span{background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff}.learning-example{background:#6366f133;padding:12px;border-radius:var(--radius-sm);margin:10px 0;text-align:center;font-size:1.1rem}.learning-examples{display:flex;flex-direction:column;gap:8px}.example-row{display:flex;justify-content:space-between;padding:8px 12px;background:#0003;border-radius:var(--radius-sm)}.example-row .word{font-weight:600;color:var(--primary-light)}.example-row .count{color:var(--success)}.cases-list,.planet-list{display:flex;flex-direction:column;gap:8px}.case-item,.planet-item{display:flex;align-items:center;gap:10px;padding:10px 12px;background:#0003;border-radius:var(--radius-sm)}.case-num,.planet-num{width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:var(--primary);border-radius:50%;font-weight:700;font-size:.9rem}.planet-name{font-weight:600;color:var(--primary-light)}.learning-table-container{overflow-x:auto}.multiplication-table{width:100%;border-collapse:collapse;font-size:.85rem}.multiplication-table th,.multiplication-table td{padding:6px;text-align:center;border:1px solid rgba(255,255,255,.1)}.multiplication-table th{background:var(--primary);color:#fff;font-weight:600}.multiplication-table tbody tr:nth-child(2n){background:#0003}.multiplication-table tbody tr:hover{background:#6366f133}.topic-learn-btn{position:absolute;top:8px;right:8px;width:22px;height:22px;display:flex;align-items:center;justify-content:center;background:#6366f1cc;border:none;border-radius:50%;font-size:.75rem;font-weight:700;color:#fff;cursor:pointer;transition:all .2s ease;z-index:5}.topic-learn-btn:hover{transform:scale(1.15);background:var(--primary)}.topic-item{position:relative}.topic-item-row{display:flex;flex-direction:column;align-items:center;gap:8px;width:100%}.topic-item-main{display:flex;flex-direction:column;align-items:center;cursor:pointer;width:100%}@media(max-width:480px){.learning-modal{width:98vw;max-height:90vh;padding:15px}.learning-title{font-size:1.2rem}.multiplication-table{font-size:.75rem}.multiplication-table th,.multiplication-table td{padding:4px 2px}.learning-letters span{width:32px;height:32px;font-size:1rem}}.breadcrumb{display:flex;align-items:center;gap:15px;padding:10px 0;margin-bottom:10px}.breadcrumb-back{background:#ffffff1a;border:none;color:var(--text);padding:8px 14px;border-radius:var(--radius-sm);cursor:pointer;font-size:.85rem;transition:all .2s ease}.breadcrumb-back:hover{background:#fff3}.breadcrumb-path{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--text-muted)}.breadcrumb-link{cursor:pointer;color:var(--primary-light);transition:color .2s ease}.breadcrumb-link:hover{color:var(--primary);text-decoration:underline}.breadcrumb-sep{opacity:.5}.breadcrumb-current{color:var(--text);font-weight:500}@media(max-width:480px){.breadcrumb{flex-direction:column;align-items:flex-start;gap:8px}.breadcrumb-back{padding:6px 12px;font-size:.8rem}}.topic-item.locked{opacity:.7;background:linear-gradient(145deg,#2a2a3a,#1e1e2e)}.topic-item.locked:hover{transform:none;border-color:#ffffff1a}.lock-icon{font-size:.9rem}.topic-locked-info{font-size:.75rem;color:var(--accent);font-weight:500}.locked-popup{background:var(--bg-card);border-radius:var(--radius-lg);padding:30px;max-width:350px;width:90%;text-align:center;border:2px solid var(--accent);animation:modalPop .3s ease}.locked-popup-icon{font-size:3rem;margin-bottom:15px}.locked-popup h3{color:var(--accent);margin-bottom:15px;font-size:1.3rem}.locked-popup p{color:var(--text-muted);line-height:1.6;margin-bottom:10px}.locked-popup-progress{margin-top:15px!important;padding:10px;background:#0003;border-radius:var(--radius-sm)}.math-rocket-game{position:fixed;top:0;left:0;width:100vw;height:100vh;background:linear-gradient(180deg,#0a0a2e,#1a1a4e,#2d1f5e 60%,#1a0a3e);overflow:hidden;touch-action:none;-webkit-user-select:none;user-select:none;z-index:9999}.mr-back-btn{position:absolute;top:15px;left:15px;z-index:300;background:linear-gradient(135deg,#6432c8cc,#321464e6);border:2px solid rgba(200,150,255,.5);border-radius:25px;padding:10px 20px;color:#fff;font-family:Outfit,sans-serif;font-size:14px;font-weight:600;cursor:pointer;transition:all .3s ease}.mr-back-btn:hover{background:linear-gradient(135deg,#9664ffcc,#6432c8e6);transform:scale(1.05)}.mr-stars{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;overflow:hidden}.mr-star{position:absolute;background:#fff;border-radius:50%;animation:mrTwinkle 2s infinite}@keyframes mrTwinkle{0%,to{opacity:.3}50%{opacity:1}}#gameCanvas{display:block;width:100%;height:100%}.mr-ui-overlay{position:absolute;top:60px;left:0;width:100%;padding:15px;display:flex;justify-content:space-between;align-items:flex-start;pointer-events:none;z-index:100}.mr-score-panel{background:linear-gradient(135deg,#6432c8cc,#321464e6);border:2px solid rgba(200,150,255,.5);border-radius:15px;padding:12px 20px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 0 20px #9664ff4d,inset 0 0 20px #ffffff1a}.mr-score-label{font-family:Orbitron,monospace;font-size:10px;color:#c8b4ffcc;text-transform:uppercase;letter-spacing:2px}.mr-score-value{font-family:Orbitron,monospace;font-size:24px;font-weight:900;color:#fff;text-shadow:0 0 10px rgba(200,150,255,.8)}.mr-question-panel{position:absolute;top:130px;left:50%;transform:translate(-50%);background:linear-gradient(135deg,#ffc832e6,#ff9600e6);border:3px solid rgba(255,255,200,.6);border-radius:20px;padding:15px 35px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 0 30px #ffc83280,inset 0 0 20px #fff3;z-index:100}.mr-question-text{font-family:Orbitron,monospace;font-size:28px;font-weight:700;color:#1a0a3e;text-shadow:0 2px 0 rgba(255,255,255,.3)}.mr-start-screen,.mr-game-over-screen{position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(180deg,#0a0a2ef2,#2d1f5ef2);display:flex;flex-direction:column;justify-content:center;align-items:center;z-index:200;padding:20px}.mr-game-over-screen{display:none}.mr-game-title{font-family:Orbitron,monospace;font-size:clamp(32px,8vw,64px);font-weight:900;color:#fff;text-shadow:0 0 30px rgba(255,200,50,.8),0 0 60px rgba(255,150,0,.5);margin-bottom:10px;text-align:center}.mr-game-subtitle{font-family:Outfit,sans-serif;font-size:clamp(14px,3vw,20px);color:#c8b4ffcc;margin-bottom:40px;text-align:center}.mr-difficulty-selector{display:flex;gap:15px;flex-wrap:wrap;justify-content:center;margin-bottom:30px}.mr-difficulty-btn{font-family:Orbitron,monospace;font-size:14px;font-weight:600;padding:12px 25px;border:2px solid rgba(200,150,255,.5);border-radius:25px;background:linear-gradient(135deg,#6432c899,#321464cc);color:#fff;cursor:pointer;transition:all .3s ease}.mr-difficulty-btn:hover,.mr-difficulty-btn.active{background:linear-gradient(135deg,#9664ffcc,#6432c8e6);border-color:#ffc864cc;box-shadow:0 0 20px #c896ff80;transform:scale(1.05)}.mr-start-btn{font-family:Orbitron,monospace;font-size:clamp(18px,4vw,24px);font-weight:700;padding:18px 50px;border:3px solid rgba(255,200,100,.8);border-radius:35px;background:linear-gradient(135deg,#ffc832e6,#ff9600e6);color:#1a0a3e;cursor:pointer;transition:all .3s ease;text-shadow:0 1px 0 rgba(255,255,255,.3);box-shadow:0 0 30px #ffc83280}.mr-start-btn:hover{transform:scale(1.1);box-shadow:0 0 50px #ffc832cc}.mr-instructions{margin-top:30px;font-size:clamp(12px,2.5vw,16px);color:#c8b4ffb3;text-align:center;max-width:400px;line-height:1.6}.mr-instructions strong{color:#ffc864e6}.mr-game-over-title{font-family:Orbitron,monospace;font-size:clamp(28px,7vw,48px);font-weight:900;color:#ff6b6b;text-shadow:0 0 30px rgba(255,100,100,.8);margin-bottom:20px}.mr-final-score{font-family:Orbitron,monospace;font-size:clamp(40px,10vw,72px);font-weight:900;color:#fff;text-shadow:0 0 30px rgba(255,200,50,.8);margin-bottom:10px}.mr-score-subtitle{font-size:18px;color:#c8b4ffcc;margin-bottom:40px}.mr-mobile-controls{position:absolute;bottom:20px;left:20px;z-index:150;pointer-events:none}@media(min-width:601px){.mr-mobile-controls{display:none}}@media(max-width:600px){.mr-mobile-controls{display:block}}.mr-joystick-container{width:120px;height:120px;background:radial-gradient(circle,#6432c84d,#32146480);border:2px solid rgba(200,150,255,.4);border-radius:50%;position:relative;pointer-events:auto}.mr-joystick-knob{position:absolute;width:50px;height:50px;background:radial-gradient(circle,#ffc864e6,#ff9632e6);border:2px solid rgba(255,255,200,.6);border-radius:50%;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 0 20px #ffc83280}.mr-pause-btn{position:absolute;top:60px;right:15px;width:50px;height:50px;background:linear-gradient(135deg,#6432c8cc,#321464e6);border:2px solid rgba(200,150,255,.5);border-radius:50%;display:flex;justify-content:center;align-items:center;cursor:pointer;z-index:150;font-size:20px;color:#fff}@media(max-width:600px){.mr-pause-btn{display:none}}.mr-lives-panel{display:flex;gap:8px}.mr-life-heart{font-size:24px;filter:drop-shadow(0 0 5px rgba(255,100,150,.8))}.mr-life-heart.lost{opacity:.3;filter:grayscale(1)}.mr-level-panel{background:linear-gradient(135deg,#32c864cc,#146432e6);border:2px solid rgba(150,255,200,.5);border-radius:15px;padding:12px 20px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 0 20px #64ff964d}.mr-correct-flash{position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle,rgba(100,255,100,.3),transparent);pointer-events:none;animation:mrFlash .5s ease-out forwards;z-index:99}.mr-wrong-flash{position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle,rgba(255,100,100,.3),transparent);pointer-events:none;animation:mrFlash .5s ease-out forwards;z-index:99}@keyframes mrFlash{0%{opacity:1}to{opacity:0}}