:root{--phosphor: #6cff6c;--phosphor-dim: #2a7a2a;--bg: #050a05;--warn: #ffb84d}*{box-sizing:border-box}html,body{margin:0;padding:0;background:#000;color:var(--phosphor);font-family:Menlo,Monaco,Courier New,monospace}body{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:clamp(12px,3vw,28px);padding:clamp(8px,2vw,24px);min-height:100vh}.crt{position:relative;padding:clamp(12px,3vw,32px) clamp(16px,4vw,48px);background:var(--bg);border-radius:16px;box-shadow:0 0 60px #6cff6c26,inset 0 0 80px #6cff6c0d;max-width:100%}.crt:after{content:"";position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(to bottom,#0000 0 2px,#00000040 2px 3px);border-radius:16px;mix-blend-mode:multiply}#scene{margin:0;font-size:clamp(6px,min(3.4vw,2.6vh),16px);line-height:1;letter-spacing:.02em;white-space:pre;color:var(--phosphor);text-shadow:0 0 4px rgba(108,255,108,.6),0 0 12px rgba(108,255,108,.25)}#scene .key-hit{background:var(--phosphor);color:var(--bg)}@keyframes flicker{0%,to{opacity:1}50%{opacity:.97}}.crt{animation:flicker 4s infinite}.controls{display:flex;align-items:center;justify-content:center;gap:clamp(8px,4vw,24px);font-family:Menlo,Monaco,Courier New,monospace}.controls button{font-family:inherit;font-size:clamp(28px,9vw,44px);font-weight:700;line-height:1;background:transparent;color:var(--phosphor);border:none;padding:8px 14px;margin:0;cursor:pointer;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent;touch-action:manipulation;text-shadow:0 0 4px rgba(108,255,108,.6),0 0 12px rgba(108,255,108,.25)}.controls button:active{color:var(--bg);background:var(--phosphor);text-shadow:none}#btn-y{font-size:clamp(36px,12vw,56px);padding:6px 18px}@media (min-width: 1024px){.controls{display:none}}@media (max-width: 1023px){body{justify-content:center;padding-top:clamp(8px,3vw,24px);padding-bottom:calc(env(safe-area-inset-bottom,0px) + clamp(80px,22vw,120px))}.controls{position:fixed;left:0;right:0;bottom:0;padding:clamp(8px,2vw,14px) clamp(8px,4vw,24px);padding-bottom:calc(env(safe-area-inset-bottom,0px) + clamp(8px,2vw,14px));background:linear-gradient(to top,#000000eb,#0000);z-index:10}}