:root{
    --bg:#020302;
    --screen:#071008;
    --fg:#aaffb1;
    --hi:#d9ffdd;
    --dim:#5d9a65;
  }
  *{box-sizing:border-box}
  html,body{margin:0;width:100%;height:100%;overflow:hidden;background:var(--bg)}
  body{
    height:100vh;display:grid;place-items:center;padding:10px;
    font-family:"Courier New",Courier,monospace;color:var(--fg)
  }
  .terminal{
    width:min(920px,97vw);height:min(94vh,860px);padding:20px 24px;border-radius:18px;
    background:radial-gradient(circle at center,rgba(80,180,90,.07),transparent 65%),var(--screen);
    border:1px solid #173a1b;
    box-shadow:0 0 0 8px #0d120e,0 0 0 10px #1b211c,0 24px 80px rgba(0,0,0,.82),inset 0 0 70px rgba(0,0,0,.7);
    position:relative;overflow:hidden
  }
  .terminal:after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background:repeating-linear-gradient(to bottom,rgba(255,255,255,.018) 0 1px,transparent 1px 4px)
  }
  #cornerHint{
    position:absolute;top:12px;right:18px;z-index:5;
    color:var(--dim);font-size:.72rem;letter-spacing:.04em
  }
  #helpBtn{
    font:inherit;color:var(--dim);background:transparent;border:0;padding:0;
    cursor:pointer;text-decoration:underline;text-underline-offset:2px
  }
  #helpBtn:hover{color:var(--fg)}
  .screen{position:relative;z-index:1;height:100%;min-height:0;text-shadow:0 0 7px rgba(120,255,130,.22)}
  .hidden{display:none!important}
  .title{display:flex;height:100%;flex-direction:column;align-items:center;justify-content:center;text-align:center}
  h1{margin:0;color:var(--hi);font-size:clamp(2.4rem,8vw,5rem);letter-spacing:.24em}
  .sub{margin-top:22px;color:var(--dim);line-height:1.7}
  .press{margin-top:58px;color:var(--hi);animation:blink 1s steps(1) infinite;cursor:pointer;-webkit-tap-highlight-color:transparent}
  @keyframes blink{50%{opacity:0}}
  .game{display:grid;grid-template-rows:34% 66%;gap:10px;height:100%;min-height:0}
  .mapwrap{display:grid;place-items:center;border-bottom:1px solid rgba(100,180,110,.2);padding:4px 0 10px;min-height:0;overflow:hidden}
  #map{margin:0;white-space:pre;color:var(--hi);font-size:clamp(11px,1.35vw,16px);line-height:1.00}
  .console{min-height:0;display:flex;flex-direction:column}
  #contextline{
    color:var(--hi);font-size:.78rem;line-height:1.35;margin-bottom:2px;
    letter-spacing:.06em
  }
  #exitline{
    color:var(--dim);font-size:.72rem;line-height:1.35;margin-bottom:8px;
    letter-spacing:.04em
  }
  #roomdesc{
    white-space:pre-wrap;line-height:1.26;flex:1;min-height:0;overflow:hidden;
    padding-right:4px;font-size:.84rem;color:var(--fg);margin-bottom:6px
  }
  #response{
    white-space:pre-wrap;line-height:1.26;max-height:28%;min-height:2.2em;
    overflow-x:hidden;overflow-y:auto;
    padding-right:4px;font-size:.84rem;color:var(--hi);margin-bottom:6px;
    border-top:1px solid rgba(100,180,110,.12);padding-top:6px
  }
  #response:empty{display:none}
  .game.prototype-complete{
    grid-template-rows:1fr
  }
  .game.prototype-complete .mapwrap{display:none}
  .game.prototype-complete #roomdesc{display:none}
  .game.prototype-complete #inventory{display:none}
  .game.prototype-complete #exitline{display:none}
  .game.prototype-complete .console{
    justify-content:center;text-align:center;padding-top:8px
  }
  .game.prototype-complete #contextline{
    margin-bottom:12px;color:var(--dim)
  }
  .game.prototype-complete #response{
    flex:0 1 auto;max-height:none;overflow:visible;
    border-top:0;padding-top:0;margin-bottom:16px;
    line-height:1.32;font-size:.86rem
  }
  .game.prototype-complete #finishedBar{
    margin-bottom:16px
  }
  .game.prototype-complete .prompt{
    justify-content:center;max-width:420px;margin:0 auto;width:100%
  }
  #inventory{
    color:var(--dim);font-size:.78rem;line-height:1.4;margin-bottom:6px;
    border-bottom:1px solid rgba(100,180,110,.14);padding-bottom:6px
  }
  #finishedBar{margin-bottom:8px;text-align:center}
  .playagain{
    font:inherit;font-size:.82rem;letter-spacing:.12em;color:var(--hi);
    background:transparent;border:1px solid rgba(100,180,110,.45);
    border-radius:4px;padding:6px 14px;cursor:pointer;
    animation:blink 1.2s steps(1) infinite
  }
  .playagain:hover{border-color:var(--fg)}
  .prompt{margin-top:8px;display:flex;gap:8px;align-items:center;color:var(--hi)}
  #cmd{
    flex:1;border:0;outline:0;background:transparent;color:var(--hi);font:inherit;
    caret-color:var(--hi);text-transform:uppercase
  }
  @media(max-width:700px){
    body{padding:4px}
    .terminal{width:99vw;height:98vh;padding:16px 12px}
    .game{grid-template-rows:31% 69%}
    #map{font-size:11px}
    #roomdesc,#response{font-size:.8rem}
    #cornerHint{font-size:.62rem;right:10px}
  }