@import"https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap";:root{--color-forward: #10B981;--color-stop: #EF4444;--color-left: #3B82F6;--color-right: #F59E0B;--color-loop: #8B5CF6;--color-condition: #F97316;--bg-primary: #0F172A;--bg-secondary: #1E293B;--bg-tertiary: #334155;--bg-card: rgba(30, 41, 59, .8);--bg-glass: rgba(30, 41, 59, .6);--text-primary: #F8FAFC;--text-secondary: #94A3B8;--text-muted: #64748B;--accent-primary: #667EEA;--accent-secondary: #764BA2;--accent-gradient: linear-gradient(135deg, #667EEA 0%, #764BA2 100%);--accent-gradient-hover: linear-gradient(135deg, #7C8FF5 0%, #8B5CB5 100%);--color-success: #10B981;--color-error: #EF4444;--color-warning: #F59E0B;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .15);--shadow-md: 0 4px 16px rgba(0, 0, 0, .2);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .25);--shadow-glow: 0 0 30px rgba(102, 126, 234, .3);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s ease;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--space-3xl: 64px;--font-family: "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-family);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;color:var(--text-primary)}h1{font-size:clamp(2.5rem,5vw,4rem);font-weight:800}h2{font-size:clamp(2rem,4vw,3rem)}h3{font-size:clamp(1.5rem,3vw,2rem)}p{color:var(--text-secondary);font-size:1.1rem}a{color:inherit;text-decoration:none}.container{width:100%;max-width:1400px;margin:0 auto;padding:0 var(--space-lg)}.glass{background:var(--bg-glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.1)}.gradient-text{background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-md) var(--space-xl);font-family:var(--font-family);font-size:1.1rem;font-weight:600;border:none;border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-normal);text-decoration:none}.btn-primary{background:var(--accent-gradient);color:#fff;box-shadow:var(--shadow-md),var(--shadow-glow)}.btn-primary:hover{background:var(--accent-gradient-hover);transform:translateY(-2px);box-shadow:var(--shadow-lg),0 0 40px #667eea66}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid rgba(255,255,255,.1)}.btn-secondary:hover{background:var(--bg-secondary);border-color:#fff3}.btn-icon{width:48px;height:48px;padding:0;border-radius:var(--radius-md)}.btn-lg{padding:var(--space-lg) var(--space-2xl);font-size:1.25rem}.card{background:var(--bg-card);border-radius:var(--radius-xl);padding:var(--space-xl);border:1px solid rgba(255,255,255,.05);transition:all var(--transition-normal)}.card:hover{border-color:#ffffff1a;transform:translateY(-4px);box-shadow:var(--shadow-lg)}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}@keyframes slideInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-30px)}to{opacity:1;transform:translate(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes rotate{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes confetti{0%{transform:translateY(0) rotate(0);opacity:1}to{transform:translateY(-500px) rotate(720deg);opacity:0}}@media(max-width:768px){.container{padding:0 var(--space-md)}h1{font-size:2rem}h2{font-size:1.75rem}.btn{padding:var(--space-sm) var(--space-lg)}.btn-lg{padding:var(--space-md) var(--space-xl);font-size:1.1rem}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}::selection{background:var(--accent-primary);color:#fff}.home{padding-top:80px}.hero{position:relative;min-height:calc(100vh - 80px);display:flex;align-items:center;overflow:hidden;padding:var(--space-3xl) 0}.hero-bg{position:absolute;inset:0;z-index:-1}.hero-gradient{position:absolute;inset:0;background:radial-gradient(ellipse at 30% 20%,rgba(102,126,234,.15) 0%,transparent 50%),radial-gradient(ellipse at 70% 80%,rgba(118,75,162,.15) 0%,transparent 50%)}.hero-pattern{position:absolute;inset:0;background-image:radial-gradient(circle at 1px 1px,rgba(255,255,255,.03) 1px,transparent 0);background-size:40px 40px}.hero-content{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-3xl);align-items:center}.hero-text{max-width:600px}.hero-text h1{margin-bottom:var(--space-lg)}.hero-description{font-size:1.25rem;margin-bottom:var(--space-xl);line-height:1.7}.hero-actions{display:flex;gap:var(--space-md);flex-wrap:wrap}.hero-visual{display:flex;justify-content:center}.hero-card{padding:var(--space-xl);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg)}.hero-demo{display:flex;flex-direction:column;gap:var(--space-lg)}.demo-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}.demo-cell{width:50px;height:50px;background:var(--bg-tertiary);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.5rem}.demo-cell.start{background:#10b98133;border:2px solid var(--color-forward)}.demo-cell.end{background:#ef444433;border:2px solid var(--color-stop)}.robot{animation:float 2s ease-in-out infinite}.demo-commands{display:flex;justify-content:center;gap:var(--space-sm)}.demo-command{width:44px;height:44px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.25rem;color:#fff;box-shadow:var(--shadow-sm)}.commands-section{padding:var(--space-3xl) 0;background:var(--bg-secondary)}.section-header{text-align:center;margin-bottom:var(--space-2xl)}.section-header h2{margin-bottom:var(--space-sm)}.commands-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:var(--space-md)}.command-card{display:flex;flex-direction:column;align-items:center;gap:var(--space-sm);padding:var(--space-lg);background:var(--bg-tertiary);border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-normal)}.command-card:hover{box-shadow:0 0 20px color-mix(in srgb,var(--command-color) 30%,transparent)}.command-icon{width:60px;height:60px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.75rem;color:#fff}.command-name{font-weight:600;font-size:.9rem;color:var(--text-secondary)}.features-section{padding:var(--space-3xl) 0}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-lg)}.feature-card{text-align:center}.feature-icon{font-size:3rem;margin-bottom:var(--space-md);display:block}.feature-card h3{margin-bottom:var(--space-sm);font-size:1.25rem}.feature-card p{font-size:1rem}.how-section{padding:var(--space-3xl) 0;background:var(--bg-secondary)}.steps-grid{display:flex;flex-direction:column;gap:var(--space-lg);max-width:800px;margin:0 auto}.step-card{display:grid;grid-template-columns:auto 1fr auto;gap:var(--space-xl);align-items:center;padding:var(--space-xl);background:var(--bg-tertiary);border-radius:var(--radius-xl)}.step-number{width:60px;height:60px;background:var(--accent-gradient);border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700;color:#fff}.step-content h3{margin-bottom:var(--space-xs);font-size:1.25rem}.step-content p{font-size:1rem}.step-visual{display:flex;align-items:center;justify-content:center}.mini-grid{display:flex;align-items:center;gap:var(--space-sm);font-size:2rem}.arrow{color:var(--text-muted)}.mini-commands{display:flex;gap:4px}.mini-cmd{width:36px;height:36px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:#fff;font-size:1rem}.celebration{font-size:3rem;animation:bounce 1s ease-in-out infinite}.cta-section{padding:var(--space-3xl) 0}.cta-card{display:flex;align-items:center;justify-content:space-between;gap:var(--space-xl);padding:var(--space-2xl);border-radius:var(--radius-xl);background:linear-gradient(135deg,#667eea1a,#764ba21a),var(--bg-glass)}.cta-content h2{margin-bottom:var(--space-sm)}.cta-content p{font-size:1.1rem}.footer{padding:var(--space-2xl) 0;background:var(--bg-secondary);border-top:1px solid rgba(255,255,255,.05)}.footer-content{text-align:center}.footer-logo{display:inline-flex;align-items:center;gap:var(--space-sm);font-size:1.25rem;font-weight:700;margin-bottom:var(--space-sm)}.footer-text{font-size:.95rem;margin-bottom:var(--space-sm)}.footer-credit{font-size:.9rem;color:var(--text-muted)}@media(max-width:1024px){.hero-content{grid-template-columns:1fr;text-align:center}.hero-text{max-width:100%}.hero-actions{justify-content:center}.commands-grid{grid-template-columns:repeat(3,1fr)}.features-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:768px){.hero{min-height:auto;padding:var(--space-2xl) 0}.hero-card{display:none}.commands-grid{grid-template-columns:repeat(2,1fr)}.features-grid{grid-template-columns:1fr}.step-card{grid-template-columns:1fr;text-align:center}.step-number{margin:0 auto}.step-visual{order:-1}.cta-card{flex-direction:column;text-align:center}}.game-page{padding-top:100px;min-height:100vh;background:radial-gradient(ellipse at 20% 30%,rgba(102,126,234,.08) 0%,transparent 50%),radial-gradient(ellipse at 80% 70%,rgba(118,75,162,.08) 0%,transparent 50%)}.game-container{padding-bottom:var(--space-2xl)}.game-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md) var(--space-xl);border-radius:var(--radius-xl);margin-bottom:var(--space-xl)}.level-info{display:flex;align-items:center;gap:var(--space-md)}.level-badge{background:var(--accent-gradient);padding:var(--space-xs) var(--space-md);border-radius:var(--radius-full);font-size:.85rem;font-weight:600;color:#fff}.level-info h2{font-size:1.25rem;margin:0}.level-nav{display:flex;align-items:center;gap:var(--space-md)}.level-progress{font-weight:600;color:var(--text-secondary)}.game-layout{display:grid;grid-template-columns:200px 1fr 280px;gap:var(--space-xl);align-items:start}.command-palette{padding:var(--space-lg);border-radius:var(--radius-xl)}.command-palette h3{font-size:1rem;margin-bottom:var(--space-xs)}.palette-hint{font-size:.8rem;color:var(--text-muted);margin-bottom:var(--space-md)}.command-list{display:flex;flex-direction:column;gap:var(--space-sm)}.command-block{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-md);border-radius:var(--radius-md);cursor:grab;color:#fff;font-weight:600;box-shadow:var(--shadow-sm);transition:all var(--transition-normal)}.command-block:active{cursor:grabbing}.command-icon{font-size:1.25rem}.command-name{font-size:.9rem}.game-board-wrapper{display:flex;flex-direction:column;align-items:center;gap:var(--space-lg)}.game-board{display:grid;gap:6px;padding:var(--space-lg);border-radius:var(--radius-xl);background:var(--bg-card)}.grid-cell{width:55px;height:55px;background:var(--bg-tertiary);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.75rem;position:relative;transition:all var(--transition-normal)}.grid-cell.start{background:#10b98126;border:2px dashed var(--color-forward)}.grid-cell.target{background:#ef444426;border:2px dashed var(--color-stop)}.grid-cell.obstacle{background:#64748b4d}.robot{font-size:2rem;filter:drop-shadow(0 2px 4px rgba(0,0,0,.3));z-index:10}.target-icon{animation:pulse 2s ease-in-out infinite}.obstacle-icon{font-size:1.5rem;opacity:.8}.hint-box{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-md) var(--space-lg);background:#f59e0b1a;border:1px solid rgba(245,158,11,.3);border-radius:var(--radius-lg)}.hint-icon{font-size:1.25rem}.hint-text{font-size:.95rem;color:var(--text-secondary)}.program-area{padding:var(--space-lg);border-radius:var(--radius-xl);display:flex;flex-direction:column;min-height:400px}.program-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-md)}.program-header h3{font-size:1rem;margin:0}.btn-clear{background:none;border:none;color:var(--text-muted);font-size:.85rem;cursor:pointer;padding:var(--space-xs) var(--space-sm);border-radius:var(--radius-sm);transition:all var(--transition-normal)}.btn-clear:hover:not(:disabled){color:var(--color-error);background:#ef44441a}.btn-clear:disabled{opacity:.5;cursor:not-allowed}.program-drop-zone{flex:1;min-height:200px;padding:var(--space-md);border:2px dashed var(--bg-tertiary);border-radius:var(--radius-lg);display:flex;flex-direction:column;transition:all var(--transition-normal);overflow-y:auto}.program-drop-zone.active{border-color:var(--accent-primary);background:#667eea0d}.drop-hint{flex:1;display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:.9rem;text-align:center}.program-list{display:flex;flex-direction:column;gap:var(--space-sm)}.program-block{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-md);color:#fff;font-weight:600;position:relative;transition:all var(--transition-normal)}.program-block.executing{box-shadow:0 0 20px currentColor;transform:scale(1.05)}.program-index{width:20px;height:20px;background:#0003;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;font-size:.75rem}.program-icon{font-size:1.25rem;flex:1}.program-remove{width:24px;height:24px;background:#0003;border:none;border-radius:var(--radius-full);color:#fff;font-size:1rem;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:.7;transition:all var(--transition-normal)}.program-remove:hover:not(:disabled){opacity:1;background:#ef444480}.program-remove:disabled{cursor:not-allowed}.program-controls{display:flex;gap:var(--space-sm);margin-top:var(--space-lg)}.control-btn{flex:1;padding:var(--space-md);font-size:.95rem}.control-btn span:first-child{font-size:1.1rem}.success-overlay{position:fixed;inset:0;background:#0f172ae6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000}.success-modal{position:relative;padding:var(--space-2xl);border-radius:var(--radius-xl);text-align:center;max-width:400px;overflow:hidden}.success-confetti{position:absolute;inset:0;pointer-events:none;overflow:hidden}.confetti-piece{position:absolute;bottom:0;width:10px;height:10px;border-radius:2px}.success-icon{font-size:4rem;margin-bottom:var(--space-md)}.success-modal h2{font-size:2rem;margin-bottom:var(--space-xs)}.success-modal>p{font-size:1.1rem;margin-bottom:var(--space-xl)}.success-stats{display:flex;justify-content:center;gap:var(--space-xl);margin-bottom:var(--space-xl)}.stat{display:flex;flex-direction:column;gap:var(--space-xs)}.stat-value{font-size:1.75rem;font-weight:700;color:var(--text-primary)}.stat-label{font-size:.85rem;color:var(--text-muted)}.stars{flex-direction:row;gap:var(--space-xs)}.star{font-size:1.5rem;opacity:.3;filter:grayscale(1);transition:all var(--transition-normal)}.star.filled{opacity:1;filter:grayscale(0)}.success-actions{display:flex;gap:var(--space-md);justify-content:center}.success-actions .btn{min-width:140px}@media(max-width:1200px){.game-layout{grid-template-columns:1fr;max-width:600px;margin:0 auto}.command-palette{order:1}.command-list{flex-direction:row;flex-wrap:wrap}.command-block{flex:1;min-width:100px;justify-content:center}.game-board-wrapper{order:2}.program-area{order:3;min-height:auto}.program-drop-zone{min-height:120px}.program-list{flex-direction:row;flex-wrap:wrap}.program-block{flex:0 0 auto}}@media(max-width:600px){.game-header{flex-direction:column;gap:var(--space-md)}.grid-cell{width:45px;height:45px;font-size:1.5rem}.robot{font-size:1.75rem}.success-modal{margin:var(--space-md);padding:var(--space-xl)}.success-actions{flex-direction:column}.success-actions .btn{width:100%}}.loop-modal-overlay{position:fixed;inset:0;background:#0f172ad9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000}.loop-modal{padding:var(--space-xl);border-radius:var(--radius-xl);text-align:center;max-width:320px;width:90%}.loop-modal-header{display:flex;align-items:center;justify-content:center;gap:var(--space-sm);margin-bottom:var(--space-sm)}.loop-modal-icon{font-size:2rem}.loop-modal-header h3{font-size:1.25rem;margin:0}.loop-modal-hint{font-size:.9rem;color:var(--text-muted);margin-bottom:var(--space-lg)}.loop-count-options{display:flex;gap:var(--space-md);justify-content:center;margin-bottom:var(--space-lg)}.loop-count-btn{display:flex;flex-direction:column;align-items:center;gap:var(--space-xs);padding:var(--space-md) var(--space-lg);background:linear-gradient(135deg,#8b5cf6,#a855f7);border:none;border-radius:var(--radius-lg);cursor:pointer;color:#fff;box-shadow:var(--shadow-md);transition:all var(--transition-normal)}.loop-count-btn:hover{box-shadow:0 0 20px #8b5cf680}.count-number{font-size:1.75rem;font-weight:700}.count-label{font-size:.75rem;opacity:.9}.loop-cancel-btn{background:none;border:none;color:var(--text-muted);font-size:.9rem;cursor:pointer;padding:var(--space-sm) var(--space-md);transition:all var(--transition-normal)}.loop-cancel-btn:hover{color:var(--text-primary)}.repeat-count{font-size:.85rem;font-weight:700;background:#00000040;padding:2px 8px;border-radius:var(--radius-full);margin-left:auto}.loop-block{position:relative}.program-block.executing{animation:pulse-glow .5s ease-in-out}@keyframes pulse-glow{0%,to{box-shadow:0 0 20px currentColor;transform:scale(1.05)}50%{box-shadow:0 0 30px currentColor;transform:scale(1.1)}}.robot.jumping{animation:jump-bounce .5s ease-out}@keyframes jump-bounce{0%{transform:translateY(0) scale(1)}30%{transform:translateY(-15px) scale(1.1)}50%{transform:translateY(-20px) scale(1.15)}70%{transform:translateY(-10px) scale(1.05)}to{transform:translateY(0) scale(1)}}.loop-children-zone{margin-top:10px;padding:10px;background:#0003;border-radius:8px;min-height:60px;border:2px dashed rgba(255,255,255,.2);display:flex;flex-direction:column;gap:8px}.loop-placeholder{color:#fff6;text-align:center;font-size:.9rem;padding:10px}.program-block.loop-block{flex-direction:column;align-items:stretch;padding:10px}.program-block.loop-block .block-content{display:flex;align-items:center;gap:12px}.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;padding:var(--space-md) 0}.navbar-container{display:flex;align-items:center;justify-content:space-between;gap:var(--space-xl)}.navbar-logo{display:flex;align-items:center;gap:var(--space-sm);font-size:1.5rem;font-weight:700}.logo-icon{font-size:2rem;animation:float 3s ease-in-out infinite}.logo-text{letter-spacing:-.5px}.navbar-links{display:flex;align-items:center;gap:var(--space-lg)}.nav-link{position:relative;font-weight:500;color:var(--text-secondary);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-md);transition:all var(--transition-normal)}.nav-link:hover{color:var(--text-primary);background:#ffffff0d}.nav-link.active{color:var(--text-primary)}.nav-link.active:after{content:"";position:absolute;bottom:-4px;left:50%;transform:translate(-50%);width:20px;height:3px;background:var(--accent-gradient);border-radius:var(--radius-full)}.navbar-cta{padding:var(--space-sm) var(--space-lg)}.cta-icon{font-size:.8rem}@media(max-width:768px){.navbar-links{display:none}.navbar-logo{font-size:1.25rem}.logo-icon{font-size:1.5rem}}