:root{--ff-toolbar-navy: 26, 26, 46;--ff-toolbar-indigo: 99, 102, 241;--ff-chrome-panel: 15, 15, 23;--ff-chrome-ink: 226, 232, 240;--ff-chrome-ink-strong: 255, 255, 255;--ff-chrome-ink-faint: rgba(226, 232, 240, .35);--ff-chrome-accent-soft: 165, 180, 252;--ff-chrome-accent-bright: 199, 210, 254;--ff-chrome-shadow: 0, 0, 0;--ff-update-blue: #2b7fff;--ff-update-blue-rgb: 43, 127, 255;--ff-update-blue-bright: var(--ff-update-blue-bright);--ff-comet-bright: .5;--ff-comet-orbit-dur: 1.8s;--ff-comet-scale: 1}.ff-toolbar-trigger{position:fixed;bottom:calc(var(--ff-toolbar-bottom, 30px) + var(--ff-admob-banner-height, 0px));right:var(--ff-toolbar-right, 30px);width:52px;height:52px;border-radius:14px;background:rgba(var(--ff-toolbar-navy),.85);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border:1px solid rgba(var(--ff-toolbar-indigo),.25);cursor:move;z-index:9999;display:flex;align-items:center;justify-content:center;transition:all .25s 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768px){.ff-toolbar-trigger{width:46px;height:46px;border-radius:12px}.ff-toolbar-trigger-logo{width:34px;height:34px}.ff-toolbar-trigger-fallback{font-size:20px}.ff-toolbar-comet-field{--ff-comet-scale: calc(46 / 52)}.ff-toolbar-menu{min-width:280px;padding:24px 20px}.ff-toolbar-menu-items{gap:6px}.ff-toolbar-menu-item{padding:12px 14px;gap:12px}.ff-toolbar-menu-item-icon{width:32px;height:32px;font-size:18px;border-radius:8px}}@media (prefers-reduced-motion: reduce){.ff-toolbar-trigger,.ff-toolbar-menu,.ff-toolbar-menu-item,.ff-toolbar-menu-item-icon{animation:none!important;transition:none!important}.ff-toolbar-trigger:hover,.ff-toolbar-menu-item:hover{transform:none}.ff-toolbar-comet-dot{animation:none!important}.ff-toolbar-comet-field,.ff-toolbar-comet-orbit,.ff-toolbar-trigger-logo-inner{transition-duration:.01s!important}}.ff-toolbar-trigger.ff-toolbar-nofx{transition:none}:root{--ff-sheet-grip-w: 120px;--ff-sheet-grip-h: 44px;--ff-sheet-grip-gap: 8px;--ff-sheet-bar-w: 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linear}}.sr-only,.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}button,[role=button]{touch-action:manipulation}:root{--ff-toolbar-navy: 90, 70, 50;--ff-toolbar-indigo: 240, 120, 0;--ff-chrome-panel: 51, 38, 26;--ff-chrome-ink: 251, 244, 233;--ff-chrome-ink-strong: 255, 255, 255;--ff-chrome-accent-soft: 255, 176, 87;--ff-chrome-accent-bright: 255, 231, 204;--ff-chrome-shadow: 90, 70, 50;--ff-chrome-ink-faint: #e6d5bd}@font-face{font-family:"Press Start 2P";src:local("Press Start 2P"),url(/en/apps/cat-tetris/assets/fonts/press-start-2p._wFEWmAB.woff2) format("woff2");font-weight:400;font-display:swap}:root{--ct-cream-50: #FFF6FB;--ct-cream-100: #FFE9F4;--ct-pink-200: #FFC9E0;--ct-pink-300: #FFB0D2;--ct-pink-400: #FF8FBC;--ct-rose-500: #FF5C9E;--ct-rose-600: #E83C84;--ct-grape-700: #6B4E8E;--ct-grape-500: #8B7AA8;--ct-grape-300: #B9A9D0;--ct-screen-900: #241640;--ct-screen-800: 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var(--ct-pink-400);--ct-shell-pad: var(--ct-space-16);--ct-shell-radius: var(--ct-radius-xl);--ct-screen-frame-radius: var(--ct-radius-md);--ct-hud-radius: var(--ct-radius-md);--ct-touch-size: 64px;--ct-focus: 0 0 0 4px rgba(232,60,132,.35);--ct-font-body: "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", sans-serif;--ct-font-pixel: "Press Start 2P", "PingFang TC", "Microsoft JhengHei", "Noto Sans TC", monospace}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--ct-font-body);background:var(--ct-bg-page);color:var(--ct-text);min-height:100vh;padding:var(--ct-space-12);position:relative;overflow-x:hidden;-webkit-text-size-adjust:100%}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;z-index:0;pointer-events:none;background:radial-gradient(circle at 12% 18%,rgba(255,201,224,.45) 0,transparent 42%),radial-gradient(circle at 88% 78%,rgba(186,169,208,.3) 0,transparent 46%);animation:ctBgDrift 22s var(--ct-ease) infinite 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var(--ct-pink-200);line-height:1.1}.ct-stage{display:flex;flex-direction:column;align-items:center;gap:var(--ct-space-16)}.ct-console{position:relative;width:100%;max-width:420px;background:var(--ct-bg-shell);border-radius:var(--ct-shell-radius);box-shadow:var(--ct-shadow-shell);padding:var(--ct-shell-pad);padding-top:var(--ct-space-24);display:grid;grid-template-columns:1fr;gap:var(--ct-space-12)}.ct-console:before{content:"";position:absolute;top:-14px;left:50%;width:120px;height:22px;transform:translate(-50%);background:radial-gradient(circle at 22% 100%,var(--ct-pink-300) 0 11px,transparent 12px),radial-gradient(circle at 78% 100%,var(--ct-pink-300) 0 11px,transparent 12px);pointer-events:none}.ct-console:after{content:"🐾";position:absolute;bottom:8px;right:14px;font-size:1rem;opacity:.5;pointer-events:none}.ct-screen{position:relative;background:var(--ct-bg-screen);border-radius:var(--ct-screen-frame-radius);padding:var(--ct-space-12);box-shadow:var(--ct-glow-screen),inset 0 2px 12px #0006;border:2px solid rgba(67,229,208,.35);overflow:hidden;display:flex;justify-content:center}.ct-screen:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:repeating-linear-gradient(to bottom,rgba(255,255,255,.05) 0,rgba(255,255,255,.05) 1px,transparent 1px,transparent 4px);opacity:.06;z-index:2}#gameCanvas{display:block;max-width:100%;height:auto;border-radius:var(--ct-radius-sm);position:relative;z-index:1}.ct-hud{display:flex;gap:var(--ct-space-8)}.ct-hud--primary{align-items:stretch}.ct-hud--secondary{justify-content:center;gap:var(--ct-space-16)}.ct-stat{background:var(--ct-bg-hud);border-radius:var(--ct-hud-radius);padding:var(--ct-space-8) var(--ct-space-12);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--ct-space-4);border:1px solid 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.ct-stat__value{font-size:var(--ct-fs-sm)}.ct-hud--secondary .ct-stat:nth-child(1) .ct-stat__value{color:var(--ct-hud-level)}.ct-hud--secondary .ct-stat:nth-child(2) .ct-stat__value{color:var(--ct-hud-lines)}.ct-keyhint{display:none;font-size:var(--ct-fs-sm);color:var(--ct-text-muted);line-height:2}.ct-keycap{display:inline-block;min-width:1.6em;padding:1px 6px;margin:0 2px;text-align:center;background:#ffffffb3;border:1px solid var(--ct-border);border-radius:var(--ct-radius-sm);font-weight:700;color:var(--ct-text)}.ct-controls{display:flex;align-items:center;justify-content:center;gap:var(--ct-space-16);width:100%;max-width:420px;padding:var(--ct-space-8) 0 var(--ct-space-4)}.ct-key-col{display:flex;flex-direction:column;gap:var(--ct-space-12)}.ct-key{width:var(--ct-touch-size);height:var(--ct-touch-size);min-width:var(--ct-touch-size);min-height:var(--ct-touch-size);font-size:1.8rem;font-weight:700;color:var(--ct-on-primary);background:var(--ct-primary-hover);border:none;border-radius:var(--ct-radius-lg);box-shadow:var(--ct-shadow-btn);cursor:pointer;touch-action:manipulation;-moz-user-select:none;user-select:none;-webkit-user-select:none;transition:transform var(--ct-dur-fast) var(--ct-ease-jelly),box-shadow var(--ct-dur-fast) var(--ct-ease)}.ct-key:active{transform:translateY(4px);box-shadow:0 1px 0 var(--ct-rose-600)}.ct-btn{font-family:var(--ct-font-body);font-size:var(--ct-fs-body);font-weight:800;letter-spacing:1px;padding:var(--ct-space-12) var(--ct-space-24);border:none;border-radius:var(--ct-radius-lg);cursor:pointer;touch-action:manipulation;transition:transform var(--ct-dur-fast) var(--ct-ease-jelly),box-shadow var(--ct-dur-fast) var(--ct-ease),background var(--ct-dur) var(--ct-ease);min-height:48px}.ct-btn--primary{color:var(--ct-on-primary);background:var(--ct-primary-hover);box-shadow:var(--ct-shadow-btn)}.ct-btn--primary:hover{background:var(--ct-primary)}.ct-btn--primary:active{transform:translateY(4px);box-shadow:0 1px 0 var(--ct-rose-600)}.ct-btn--ghost{color:var(--ct-text-on-dark);background:#ffffff24;border:2px solid rgba(255,255,255,.4)}.ct-btn--ghost:hover{background:#ffffff3d}.ct-btn:focus-visible,.ct-key:focus-visible,.ct-faq summary:focus-visible{outline:3px solid 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rgba(255,107,214,.5)}.ct-overlay__title:before{content:"🐱";display:block;font-size:2.6rem;margin-bottom:var(--ct-space-8)}.ct-overlay__intro{font-size:var(--ct-fs-body);line-height:1.7;margin-bottom:var(--ct-space-12);opacity:.95}.ct-overlay__hint{font-size:var(--ct-fs-sm);line-height:1.6;opacity:.75;margin-bottom:var(--ct-space-16)}.ct-result{text-align:center;color:var(--ct-text-on-dark);max-width:96%;display:flex;flex-direction:column;align-items:center;gap:var(--ct-space-4)}.ct-result__cat{font-size:3.4rem;line-height:1;margin-bottom:var(--ct-space-4);animation:ctJellyIn var(--ct-dur-slow) var(--ct-ease-jelly)}@keyframes ctJellyIn{0%{transform:scale(.2);opacity:0}60%{transform:scale(1.25);opacity:1}to{transform:scale(1)}}.ct-result__brand{font-size:var(--ct-fs-h3);font-weight:800;color:#fff;text-shadow:0 0 10px 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var(--ct-border);overflow:hidden}.ct-faq>summary{cursor:pointer;list-style:none;padding:var(--ct-space-16);font-size:var(--ct-fs-h3);font-weight:700;color:var(--ct-primary-hover)}.ct-faq>summary::-webkit-details-marker{display:none}.ct-faq>summary:before{content:"🐾 "}.ct-faq[open]>summary:before{content:"🐾 "}.ct-faq__item{padding:0 var(--ct-space-16) var(--ct-space-16)}.ct-faq__item h3{font-size:var(--ct-fs-body);font-weight:700;color:var(--ct-text);margin-bottom:var(--ct-space-4)}.ct-faq__item p{font-size:var(--ct-fs-sm);line-height:1.7;color:var(--ct-text-muted)}.ct-footer{text-align:center;padding:var(--ct-space-24) 0 var(--ct-space-12);font-size:var(--ct-fs-caption);color:var(--ct-text-faint)}.ct-cat-animation{position:fixed;pointer-events:none;z-index:1000;font-size:3.4rem;animation:catRun 2.5s ease-out forwards;filter:drop-shadow(0 4px 8px rgba(255,182,217,.6))}@keyframes catRun{0%{opacity:1;transform:translateY(0) scale(1) rotate(0)}25%{opacity:1;transform:translateY(-50px) translate(30px) scale(1.3) rotate(-10deg)}50%{opacity:1;transform:translateY(-120px) translate(80px) scale(1.4) rotate(10deg)}75%{opacity:.8;transform:translateY(-180px) translate(120px) scale(1.2) rotate(-5deg)}to{opacity:0;transform:translateY(-250px) translate(150px) scale(.6) rotate(0)}}@media (min-width: 361px){.ct-stat--score .ct-stat__value{font-size:var(--ct-fs-score)}.ct-controls{gap:var(--ct-space-24)}.ct-result__score{font-size:var(--ct-fs-hero)}}@media (min-width: 768px){.ct-console,.ct-controls{max-width:460px}#nextCanvas{width:72px;height:72px}}@media (min-width: 1024px){.ct-console{max-width:880px;grid-template-columns:160px auto 200px;grid-template-areas:"keyhint screen primary" "keyhint screen 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