:root{--color-brand-primary: #6366f1;--color-brand-secondary: #8b5cf6;--color-brand-accent: #f59e0b;--color-bg-primary: #0f172a;--color-bg-secondary: #1e293b;--color-bg-card: #334155;--color-bg-elevated: #475569;--color-text-primary: #f8fafc;--color-text-secondary: #94a3b8;--color-text-muted: #64748b;--color-success: #22c55e;--color-warning: #f59e0b;--color-error: #ef4444;--color-info: #3b82f6;--color-fluid-1: #ef4444;--color-fluid-2: #f97316;--color-fluid-3: #eab308;--color-fluid-4: #22c55e;--color-fluid-5: #06b6d4;--color-fluid-6: #3b82f6;--color-fluid-7: #8b5cf6;--color-fluid-8: #ec4899;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.5rem;--space-6: 2rem;--space-7: 3rem;--space-8: 4rem;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: 1rem;--radius-xl: 1.5rem;--radius-full: 9999px;--font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 2rem;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .25);--shadow-md: 0 4px 6px rgba(0, 0, 0, .25);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .25);--shadow-xl: 0 20px 25px rgba(0, 0, 0, .25);--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .35s ease;--z-base: 0;--z-elevated: 10;--z-overlay: 100;--z-modal: 1000;--z-toast: 2000;--focus-ring-color: var(--color-brand-primary);--focus-ring-width: 3px;--focus-ring-offset: 2px;--animation-duration-fast: .15s;--animation-duration-base: .25s;--animation-duration-slow: .35s}@media (prefers-color-scheme: light){:root.auto-theme{--color-bg-primary: #f8fafc;--color-bg-secondary: #f1f5f9;--color-bg-card: #e2e8f0;--color-bg-elevated: #cbd5e1;--color-text-primary: #0f172a;--color-text-secondary: #475569;--color-text-muted: #64748b}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}.particles,.confetti,.sparkle{display:none!important}.game-btn:active,.game-card:active,.icon-btn:active{transform:none!important}}.reduced-motion *,.reduced-motion *:before,.reduced-motion *:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.reduced-motion .particles,.reduced-motion .confetti,.reduced-motion .sparkle{display:none!important}.colorblind-deuteranopia{--color-fluid-1: #d55e00;--color-fluid-2: #e69f00;--color-fluid-3: #f0e442;--color-fluid-4: #009e73;--color-fluid-5: #56b4e9;--color-fluid-6: #0072b2;--color-fluid-7: #cc79a7;--color-fluid-8: #999999;--color-success: #009e73;--color-error: #d55e00}.colorblind-protanopia{--color-fluid-1: #e69f00;--color-fluid-2: #f0e442;--color-fluid-3: #009e73;--color-fluid-4: #56b4e9;--color-fluid-5: #0072b2;--color-fluid-6: #cc79a7;--color-fluid-7: #d55e00;--color-fluid-8: #999999;--color-success: #009e73;--color-error: #e69f00}.colorblind-tritanopia{--color-fluid-1: #e69f00;--color-fluid-2: #f0e442;--color-fluid-3: #009e73;--color-fluid-4: #d55e00;--color-fluid-5: #cc79a7;--color-fluid-6: #0072b2;--color-fluid-7: #56b4e9;--color-fluid-8: #999999;--color-success: #009e73;--color-error: #d55e00}.colorblind-patterns .fluid-segment-1{background-image:repeating-linear-gradient(45deg,transparent,transparent 3px,rgba(0,0,0,.3) 3px,rgba(0,0,0,.3) 6px)}.colorblind-patterns .fluid-segment-2{background-image:repeating-linear-gradient(90deg,transparent,transparent 3px,rgba(0,0,0,.3) 3px,rgba(0,0,0,.3) 6px)}.colorblind-patterns .fluid-segment-3{background-image:repeating-linear-gradient(0deg,transparent,transparent 3px,rgba(0,0,0,.3) 3px,rgba(0,0,0,.3) 6px)}.colorblind-patterns .fluid-segment-4{background-image:radial-gradient(circle at center,rgba(0,0,0,.3) 2px,transparent 2px);background-size:8px 8px}.colorblind-patterns .fluid-segment-5{background-image:repeating-linear-gradient(-45deg,transparent,transparent 3px,rgba(0,0,0,.3) 3px,rgba(0,0,0,.3) 6px)}.colorblind-patterns .fluid-segment-6{background-image:linear-gradient(45deg,rgba(0,0,0,.2) 25%,transparent 25%,transparent 75%,rgba(0,0,0,.2) 75%);background-size:8px 8px}.colorblind-patterns .fluid-segment-7{border:3px solid rgba(0,0,0,.4)}.colorblind-patterns .fluid-segment-8{border:3px dashed rgba(0,0,0,.4)}@media (prefers-contrast: more){:root{--color-bg-primary: #000000;--color-bg-secondary: #1a1a1a;--color-bg-card: #333333;--color-bg-elevated: #4a4a4a;--color-text-primary: #ffffff;--color-text-secondary: #e0e0e0;--color-text-muted: #c0c0c0;--color-brand-primary: #ffffff;--color-brand-secondary: #e0e0e0}.game-card,.game-btn,.game-board,.toast,.game-overlay-content{border:2px solid var(--color-text-primary)}}.high-contrast{--color-bg-primary: #000000;--color-bg-secondary: #1a1a1a;--color-bg-card: #333333;--color-bg-elevated: #4a4a4a;--color-text-primary: #ffffff;--color-text-secondary: #e0e0e0;--color-text-muted: #c0c0c0;--color-brand-primary: #ffffff;--color-brand-secondary: #e0e0e0}.high-contrast .game-card,.high-contrast .game-btn,.high-contrast .game-board,.high-contrast .toast,.high-contrast .game-overlay-content{border:2px solid var(--color-text-primary)}.high-contrast .game-btn-primary{background-color:#fff;color:#000}:focus{outline:2px solid var(--color-brand-primary);outline-offset:2px}:focus:not(:focus-visible){outline:none}:focus-visible{outline:3px solid var(--color-brand-primary);outline-offset:3px}.game-btn:focus-visible,.icon-btn:focus-visible{outline:3px solid var(--color-brand-accent);outline-offset:2px;box-shadow:0 0 0 6px #f59e0b4d}a:focus-visible{outline:3px solid var(--color-brand-accent);outline-offset:2px;border-radius:var(--radius-sm)}.skip-link{position:absolute;top:-100%;left:50%;transform:translate(-50%);padding:var(--space-3) var(--space-5);background-color:var(--color-brand-primary);color:#fff;font-weight:600;border-radius:var(--radius-lg);z-index:var(--z-toast);transition:top .2s ease}.skip-link:focus{top:var(--space-4);outline:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.sr-only-focusable:focus,.sr-only-focusable:active{position:static;width:auto;height:auto;overflow:visible;clip:auto;white-space:normal}.game-btn,.icon-btn,.game-card-link{min-height:44px;min-width:44px}[tabindex="0"]:focus-visible{outline:3px solid var(--color-brand-accent);outline-offset:2px}.animating{pointer-events:none}.loading-spinner{display:inline-block;width:24px;height:24px;border:3px solid var(--color-bg-card);border-top-color:var(--color-brand-primary);border-radius:50%;animation:spin 1s linear infinite}@media (prefers-reduced-motion: reduce){.loading-spinner{animation:none;border-top-color:var(--color-brand-primary);border-right-color:var(--color-brand-primary);opacity:.7}}@keyframes spin{to{transform:rotate(360deg)}}.skeleton{background:linear-gradient(90deg,var(--color-bg-card) 25%,var(--color-bg-elevated) 50%,var(--color-bg-card) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-md)}@media (prefers-reduced-motion: reduce){.skeleton{animation:none;background:var(--color-bg-card)}}@media (hover: none) and (pointer: coarse){.game-btn,.icon-btn,.badge,.install-btn,.install-dismiss{min-height:48px;min-width:48px}.game-header-controls{gap:var(--space-3)}.game-controls{gap:var(--space-4)}}@media (prefers-reduced-data: reduce){:root{--font-sans: system-ui, sans-serif;--font-mono: ui-monospace, monospace}}@media print{.install-banner,.update-notification,.toast-container,.game-overlay{display:none!important}body{background:#fff;color:#000}}.gpu-accelerated{transform:translateZ(0);will-change:transform;backface-visibility:hidden;perspective:1000px}.game-card,.game-btn,.toast,.game-overlay,.install-banner{transform:translateZ(0);backface-visibility:hidden}.gpu-accelerated:not(.animating){will-change:auto}@supports (height: 100dvh){body,.game-container{min-height:100dvh}.game-board{min-height:calc(100dvh - 200px)}}@supports not (height: 100dvh){body,.game-container{min-height:-webkit-fill-available}}@supports (padding: max(0px)){body{padding-left:max(0px,env(safe-area-inset-left));padding-right:max(0px,env(safe-area-inset-right));padding-bottom:max(0px,env(safe-area-inset-bottom))}.game-header{padding-top:max(var(--space-3),env(safe-area-inset-top))}.game-controls,.install-banner{padding-bottom:max(var(--space-4),env(safe-area-inset-bottom))}}.game-btn,.game-card,.icon-btn,.install-btn,.install-dismiss{touch-action:manipulation}.scrollable{-webkit-overflow-scrolling:touch;overscroll-behavior:contain}.no-select{-webkit-user-select:none;user-select:none}.game-board{-webkit-touch-callout:none}.loading-overlay{position:fixed;inset:0;background-color:var(--color-bg-primary);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-4);z-index:var(--z-modal)}.loading-text{color:var(--color-text-secondary);font-size:var(--text-sm)}.skeleton-card{background:var(--color-bg-secondary);border-radius:var(--radius-xl);padding:var(--space-5)}.skeleton-image{aspect-ratio:16/9;background:linear-gradient(90deg,var(--color-bg-card) 25%,var(--color-bg-elevated) 50%,var(--color-bg-card) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-lg);margin-bottom:var(--space-4)}.skeleton-text{height:1em;background:linear-gradient(90deg,var(--color-bg-card) 25%,var(--color-bg-elevated) 50%,var(--color-bg-card) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-sm);margin-bottom:var(--space-2)}.skeleton-text.short{width:60%}.skeleton-text.medium{width:80%}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.btn-press{transition:transform .1s ease}.btn-press:active{transform:scale(.95)}@keyframes successPulse{0%,to{box-shadow:0 0 #22c55e66}50%{box-shadow:0 0 0 10px #22c55e00}}.success-pulse{animation:successPulse .6s ease-out}@keyframes gentleBounce{0%,to{transform:translateY(0)}50%{transform:translateY(-4px)}}.bounce{animation:gentleBounce .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.fade-in{animation:fadeIn .3s ease}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.scale-in{animation:scaleIn .3s ease}@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)}}.slide-up{animation:slideUp .3s ease}.slide-down{animation:slideDown .3s ease}.error-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-6);text-align:center;color:var(--color-text-secondary)}.error-state-icon{font-size:3rem;margin-bottom:var(--space-4)}.error-state-title{font-size:var(--text-lg);font-weight:600;color:var(--color-text-primary);margin-bottom:var(--space-2)}.error-state-message{font-size:var(--text-sm);margin-bottom:var(--space-4)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-8);text-align:center}.empty-state-icon{font-size:4rem;margin-bottom:var(--space-4);opacity:.5}.empty-state-title{font-size:var(--text-lg);font-weight:600;color:var(--color-text-primary);margin-bottom:var(--space-2)}.empty-state-message{font-size:var(--text-sm);color:var(--color-text-secondary);max-width:280px}.defer-render{content-visibility:auto}.contain-layout{contain:layout}.contain-paint{contain:paint}.contain-strict{contain:strict}@media (max-width: 600px){.hide-mobile{display:none!important}}@media (min-width: 601px){.hide-desktop{display:none!important}}@media (hover: none){.touch-only{display:block}.hover-only{display:none}}@media (hover: hover){.touch-only{display:none}.hover-only{display:block}}body{font-family:var(--font-sans);background-color:var(--color-bg-primary);color:var(--color-text-primary);min-height:100vh;display:flex;flex-direction:column}.game-container{display:flex;flex-direction:column;min-height:100vh;max-width:480px;margin:0 auto;padding:var(--space-4)}.game-header{display:flex;justify-content:space-between;align-items:center;padding:var(--space-3) 0;margin-bottom:var(--space-4)}.game-header h1{font-size:var(--text-xl);font-weight:700}.game-header-controls{display:flex;gap:var(--space-2)}.game-stats{display:flex;justify-content:space-around;padding:var(--space-3);background-color:var(--color-bg-secondary);border-radius:var(--radius-lg);margin-bottom:var(--space-4)}.game-stat{display:flex;flex-direction:column;align-items:center;gap:var(--space-1)}.game-stat-value{font-size:var(--text-xl);font-weight:700;color:var(--color-brand-primary)}.game-stat-label{font-size:var(--text-xs);color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em}.game-board{flex:1;display:flex;align-items:center;justify-content:center;padding:var(--space-4);background-color:var(--color-bg-secondary);border-radius:var(--radius-xl);margin-bottom:var(--space-4);min-height:300px}.game-controls{display:flex;gap:var(--space-3);justify-content:center;padding:var(--space-4) 0}.back-link{display:inline-flex;align-items:center;gap:var(--space-1);font-size:var(--text-sm);color:var(--color-text-secondary);transition:color var(--transition-fast)}.back-link:hover{color:var(--color-brand-primary)}.game-overlay{position:fixed;inset:0;background-color:#000c;display:flex;align-items:center;justify-content:center;z-index:var(--z-overlay);opacity:0;visibility:hidden;transition:opacity var(--transition-base),visibility var(--transition-base)}.game-overlay.active{opacity:1;visibility:visible}.game-overlay-content{background-color:var(--color-bg-secondary);padding:var(--space-6);border-radius:var(--radius-xl);text-align:center;max-width:320px}.game-overlay-title{font-size:var(--text-2xl);font-weight:700;margin-bottom:var(--space-4)}.game-overlay-title.win{color:var(--color-success)}.game-overlay-title.lose{color:var(--color-error)}@media (hover: none){.game-btn:active{transform:scale(.95)}}