:root{ --red:#ff2a2a; --green:#39ff88; --amber:#ffc24d; --ink:#dcdcdc; }
  *{box-sizing:border-box; margin:0; padding:0;}
  html,body{height:100%; background:#050507; overflow:hidden;}
  body{font-family:"Courier New",monospace; color:var(--ink);}
  #c3d{position:fixed; inset:0; display:block;}
  /* ---------- HUD ---------- */
  #hud{position:fixed; top:0; left:0; right:0; padding:12px 18px; display:flex; justify-content:space-between; align-items:flex-start; pointer-events:none; text-shadow:0 0 6px #000; z-index:4;}
  #hud .col{display:flex; flex-direction:column; gap:2px; font-size:13px;}
  #timer{font-size:46px; font-weight:bold; letter-spacing:2px; text-align:center; line-height:1;}
  #timerLabel{font-size:11px; text-align:center; opacity:.7; letter-spacing:3px;}
  #inv{display:flex; gap:8px; justify-content:flex-end;}
  .invItem{border:1px solid #444; background:rgba(0,0,0,.55); padding:4px 8px; font-size:12px; border-radius:3px;}
  .invItem.on{border-color:var(--amber); color:var(--amber);}
  #hint{position:fixed; bottom:10px; left:14px; font-size:11px; opacity:.55; pointer-events:none; z-index:4;}
  #cross{position:fixed; left:50%; top:50%; width:6px; height:6px; margin:-3px 0 0 -3px; border-radius:50%; background:rgba(255,255,255,.65); z-index:4; pointer-events:none; transition:transform .12s, background .12s;}
  #cross.hot{transform:scale(1.8); background:var(--amber);}
  #prompt{position:fixed; left:50%; bottom:96px; transform:translateX(-50%); background:rgba(0,0,0,.78); border:1px solid #555; padding:6px 14px; font-size:14px; border-radius:4px; pointer-events:none; white-space:nowrap; z-index:4;}
  #toasts{position:fixed; left:50%; bottom:140px; transform:translateX(-50%); display:flex; flex-direction:column-reverse; align-items:center; gap:6px; pointer-events:none; z-index:4;}
  .toast{background:rgba(10,10,14,.9); border:1px solid #6a5a2a; color:var(--amber); padding:6px 14px; font-size:13px; border-radius:4px; animation:toastIn .25s ease; max-width:640px; text-align:center;}
  @keyframes toastIn{from{opacity:0; transform:translateY(8px);} to{opacity:1;}}
  .hidden{display:none !important;}
  #unbar{position:fixed; left:50%; bottom:50%; transform:translate(-50%,60px); width:160px; height:10px; background:rgba(0,0,0,.7); border:1px solid #555; z-index:4;}
  #unbar i{display:block; height:100%; background:var(--amber); width:0;}
  /* ---------- Overlays ---------- */
  .overlay{position:fixed; inset:0; background:rgba(2,2,4,.93); display:flex; flex-direction:column; align-items:center; justify-content:center; text-align:center; padding:40px; z-index:20;}
  .overlay h1{font-size:42px; letter-spacing:6px; margin-bottom:18px;}
  .overlay p{max-width:560px; line-height:1.6; margin-bottom:12px; font-size:15px;}
  .overlay .small{font-size:12px; opacity:.6;}
  .overlay .key{display:inline-block; border:1px solid #666; padding:1px 7px; border-radius:3px; margin:0 2px; background:#111;}
  .blink{animation:blink 1.1s steps(2) infinite;}
  @keyframes blink{50%{opacity:.25;}}
  #death h1{color:var(--red); text-shadow:0 0 24px rgba(255,42,42,.6); animation:glitch .3s steps(2) 4;}
  @keyframes glitch{25%{transform:translate(-3px,1px) skewX(4deg);} 75%{transform:translate(3px,-1px) skewX(-4deg);}}
  #death .frag{color:#bbb; font-style:italic; border-left:2px solid var(--red); padding-left:14px; text-align:left;}
  #victory h1{color:var(--green); text-shadow:0 0 24px rgba(57,255,136,.5);}
  #resume{background:rgba(2,2,4,.7); cursor:pointer; z-index:10;}
  #resume h1{font-size:26px; letter-spacing:4px;}
  /* ---------- Nota / papel ---------- */
  #note{position:fixed; left:50%; top:50%; transform:translate(-50%,-50%) rotate(-1.5deg); width:380px; background:#e8e0c8; color:#222; padding:26px 28px; font-family:Georgia,serif; box-shadow:0 12px 40px rgba(0,0,0,.85); z-index:15;}
  #note h3{margin-bottom:10px; font-size:15px; border-bottom:1px solid #b9af90; padding-bottom:6px;}
  #note p{font-size:15px; line-height:1.55; white-space:pre-line;}
  #note .small{display:block; margin-top:14px; font-size:11px; color:#777; font-family:"Courier New",monospace;}
  /* ---------- Teclado numérico ---------- */
  #keypad{position:fixed; left:50%; top:50%; transform:translate(-50%,-50%); background:#15151c; border:1px solid #4a4a5a; padding:18px; z-index:15; border-radius:6px; box-shadow:0 10px 50px #000;}
  #keypad h3{font-size:13px; margin-bottom:8px; letter-spacing:2px; color:#aaa; text-align:center;}
  #kpDisplay{background:#000; color:var(--green); font-size:26px; letter-spacing:10px; text-align:center; padding:6px; margin-bottom:10px; min-height:42px; border:1px solid #333;}
  #kpGrid{display:grid; grid-template-columns:repeat(3,58px); gap:6px;}
  #kpGrid button{font-family:inherit; font-size:18px; padding:10px 0; background:#23232e; color:#ddd; border:1px solid #444; cursor:pointer; border-radius:3px;}
  #kpGrid button:hover{background:#33334a;}
  #kpHintBtn{margin-top:8px; width:100%; font-family:inherit; font-size:12px; padding:6px; background:#2a2416; color:var(--amber); border:1px solid #6a5a2a; cursor:pointer; border-radius:3px;}
  #kpClose{margin-top:6px; width:100%; font-family:inherit; font-size:11px; padding:4px; background:transparent; color:#888; border:1px solid #333; cursor:pointer; border-radius:3px;}
  #kpWarn{font-size:11px; color:#888; text-align:center; margin-top:6px;}
  /* ---------- Diário ---------- */
  #journal{position:fixed; inset:40px 15%; background:rgba(8,8,12,.97); border:1px solid #3a3a4a; z-index:18; padding:24px 30px; overflow-y:auto;}
  #journal h2{letter-spacing:4px; font-size:18px; color:var(--amber); margin-bottom:4px;}
  #journal .sub{font-size:12px; opacity:.6; margin-bottom:16px;}
  #journal ul{list-style:none;}
  #journal li{padding:7px 0 7px 14px; border-left:2px solid #4a4a2a; margin-bottom:6px; font-size:14px; line-height:1.45;}
  #journal li.codeline{border-left-color:var(--green); color:#cfe;}
  #journal .empty{opacity:.5; font-style:italic;}
  #vignette{position:fixed; inset:0; pointer-events:none; z-index:3; box-shadow:0 0 140px 50px rgba(0,0,0,.8) inset;}
  #redflash{position:fixed; inset:0; pointer-events:none; z-index:5; background:radial-gradient(ellipse at center, transparent 25%, rgba(160,0,0,.6) 100%); opacity:0; transition:opacity .4s;}
  #pulse{position:fixed; inset:0; pointer-events:none; z-index:5; background:radial-gradient(ellipse at center, transparent 55%, rgba(130,0,0,.32) 100%); opacity:0;}
  #grain{position:fixed; inset:-50%; width:200%; height:200%; pointer-events:none; z-index:6; opacity:.055; animation:grain .5s steps(5) infinite;}
  @keyframes grain{0%{transform:translate(0,0)}20%{transform:translate(-2%,1.5%)}40%{transform:translate(1.5%,-2%)}60%{transform:translate(-1%,-1%)}80%{transform:translate(2%,1%)}100%{transform:translate(0,0)}}
  #loaderr{position:fixed; inset:0; z-index:50; background:#050507; display:flex; align-items:center; justify-content:center; text-align:center; padding:30px;}
  /* ---------- menu / corredor ---------- */
  .menuRow{display:flex; gap:10px; align-items:center; margin:5px 0; font-size:13px;}
  .menuRow input[type=range]{width:150px;}
  .mbtn{font-family:inherit; font-size:14px; letter-spacing:2px; padding:10px 22px; background:#1a1a24; color:var(--ink); border:1px solid #555; border-radius:4px; cursor:pointer; margin:4px;}
  .mbtn:hover{background:#2a2a3a;}
  .mbtn.primary{border-color:var(--amber); color:var(--amber); font-size:17px;}
  .mbtn.danger{border-color:#a33; color:#c66; font-size:11px; padding:6px 14px;}
  #wallForm{display:flex; flex-direction:column; gap:8px; margin:14px 0; align-items:center;}
  #wallForm input{font-family:inherit; font-size:14px; padding:8px 12px; background:#101018; border:1px solid #555; color:var(--ink); width:300px; border-radius:3px;}
  #corridor{overflow-y:auto; justify-content:flex-start; padding-top:46px;}
  #corridor h2{letter-spacing:5px; color:var(--amber);}
  #corridor .sub{font-size:12px; opacity:.6; margin:6px 0 4px;}
  #wallList{display:flex; flex-wrap:wrap; gap:18px; justify-content:center; max-width:920px; margin:18px 0;}
  .wframe{background:#15151c; border:6px solid #6e5526; padding:14px 16px; width:240px; text-align:left; box-shadow:0 8px 30px #000;}
  .wframe.gold{border-color:#d4af37; box-shadow:0 0 24px rgba(212,175,55,.35);}
  .wframe .wname{font-size:15px; color:var(--amber); letter-spacing:1px;}
  .wframe .wmsg{font-size:13px; color:#ccc; font-family:Georgia,serif; font-style:italic; margin:8px 0; line-height:1.4;}
  .wframe .wmeta{font-size:10px; opacity:.55;}
  #loadbar{width:280px; height:8px; background:#101018; border:1px solid #444; border-radius:4px; margin-top:8px; overflow:hidden;}
  #loadbar i{display:block; height:100%; width:0; background:var(--amber); transition:width .25s;}
  #menuAch{font-size:11px; opacity:.7; max-width:560px; margin-top:6px;}