:root{
  --bg:#0b0b0b;
  --panel:#c8c8c8;
  --panel2:#dedede;
  --ink:#080808;
  --line:#2a2a2a;
  --green:#8cff9a;
  --amber:#ffcc75;
  --blue:#85a7ff;
  --shadow:rgba(0,0,0,.55);
  --mono:"Courier New",Courier,monospace;
  --sans:Tahoma,Verdana,Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;width:100%;height:100%;overflow:hidden;background:#000;color:#fff;font-family:var(--sans)}
button,input{font:inherit}
.hidden{display:none!important}

/* BOOT */
#boot{
  position:fixed;inset:0;background:#020202;color:#ddd;z-index:10000;
  display:flex;align-items:center;justify-content:center;font-family:var(--mono);
}
.bootbox{width:min(760px,90vw)}
.bootlogo{font-size:clamp(22px,5vw,46px);line-height:.95;letter-spacing:-3px;margin-bottom:22px}
.bootlogo b{color:var(--green);font-weight:400}
.bootline{font-size:13px;line-height:1.7;white-space:pre-wrap}
.cursor{display:inline-block;width:8px;height:14px;background:#ddd;vertical-align:-2px;animation:blink .9s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
#connectBtn{
  margin-top:24px;background:#050505;border:1px solid #777;color:#eee;padding:10px 14px;
  font-family:var(--mono);cursor:pointer;text-transform:uppercase;letter-spacing:1px
}
#connectBtn:hover{background:#151515;color:var(--green)}

/* DESKTOP */
#desktop{
  position:fixed;inset:0 0 30px 0;overflow:hidden;
  background:
    radial-gradient(circle at 20% 20%,rgba(255,255,255,.025),transparent 32%),
    linear-gradient(135deg,#111 0%,#080808 55%,#121212 100%);
}
#desktop:before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.12;
  background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:4px 4px;
}
.watermark{
  position:absolute;right:24px;bottom:18px;font:12px var(--mono);color:#484848;text-align:right;line-height:1.45
}
.desktop-icon{
  position:absolute;width:88px;min-height:78px;text-align:center;color:#eee;font:12px var(--sans);
  user-select:none;cursor:default;padding:5px;border:1px solid transparent;
}
.desktop-icon.selected{border:1px dotted #b9b9b9;background:rgba(255,255,255,.04)}
.glyph{
  width:42px;height:42px;margin:0 auto 5px;display:flex;align-items:center;justify-content:center;
  font:27px var(--mono);color:#ddd;border:1px solid #777;background:#171717;box-shadow:2px 2px 0 #000;
}
.desktop-icon[data-app="terminal"] .glyph{color:var(--green)}
.desktop-icon[data-app="browser"] .glyph{color:var(--blue)}
.desktop-icon[data-app="program22"] .glyph{color:var(--amber)}
.desktop-icon[data-app="trash"] .glyph{color:#aaa}

/* WINDOWS */
.window{
  position:absolute;min-width:320px;min-height:180px;background:var(--panel);color:var(--ink);
  border:2px solid #efefef;border-right-color:#3e3e3e;border-bottom-color:#3e3e3e;
  box-shadow:10px 10px 30px var(--shadow);display:none;overflow:hidden;
}
.window.active{display:block}
.titlebar{
  height:26px;background:#101010;color:#eee;display:flex;align-items:center;justify-content:space-between;
  padding:0 4px 0 7px;font:bold 12px var(--sans);cursor:move;user-select:none;
}
.titlebar .caption{display:flex;gap:7px;align-items:center}
.winbuttons{display:flex;gap:3px}
.winbutton{
  width:20px;height:18px;padding:0;border:1px solid #f5f5f5;border-right-color:#555;border-bottom-color:#555;
  background:#c9c9c9;color:#000;font:bold 11px var(--sans);cursor:pointer;line-height:15px
}
.menu{height:24px;border-bottom:1px solid #777;padding:4px 7px;font-size:11px;background:#d7d7d7}
.menu span{margin-right:14px}
.window-body{height:calc(100% - 50px);overflow:auto;background:#efefef}

/* TERMINAL */
#terminalWin{left:15%;top:13%;width:min(720px,78vw);height:min(470px,67vh)}
.terminal-body{height:100%;background:#050705;color:#a6ffad;font:13px/1.45 var(--mono);padding:9px;overflow:auto}
.terminal-line{white-space:pre-wrap}
.terminal-entry{display:flex;align-items:flex-start}
.prompt{white-space:pre;color:#a6ffad}
#termInput{
  flex:1;min-width:1px;background:transparent;border:0;outline:0;color:#a6ffad;font:13px/1.45 var(--mono);
  caret-color:#fff;padding:0;margin:0
}

/* BROWSER */
#browserWin{left:25%;top:7%;width:min(780px,74vw);height:min(560px,74vh)}
.browser-toolbar{padding:6px;background:#d5d5d5;border-bottom:1px solid #777;display:flex;gap:5px}
.browser-toolbar button{height:24px;min-width:28px;border:1px solid #fff;border-right-color:#666;border-bottom-color:#666;background:#ccc}
.address{flex:1;background:#fff;border:1px inset #888;padding:4px 7px;font:12px var(--mono);white-space:nowrap;overflow:hidden}
.browser-main{display:grid;grid-template-columns:235px 1fr;height:calc(100% - 38px)}
.history-pane{background:#d8d8d8;border-right:1px solid #777;padding:8px;overflow:auto}
.history-title{font:bold 11px var(--sans);margin-bottom:7px}
.history-item{font:11px/1.3 var(--sans);padding:5px 3px;border-bottom:1px dotted #999;cursor:pointer}
.history-item:hover{background:#eee}
.history-item small{display:block;color:#555;font:10px var(--mono);margin-top:2px}
.browser-page{background:#fafafa;padding:18px;color:#111;overflow:auto;font:14px/1.5 Georgia,serif}
.browser-page h1{font:24px Georgia,serif;margin:.2em 0 .5em}
.browser-page code{background:#eee;padding:2px 4px}
.browser-page .artifact{border:1px solid #aaa;padding:10px;background:#f1f1e8;font-family:var(--mono);white-space:pre-wrap}
.tiny{font-size:10px;color:#666}

/* PROGRAM22 */
#program22Win{left:40%;top:19%;width:min(510px,65vw);height:min(440px,62vh)}
.p22-head{background:#262626;color:#f3f3f3;padding:8px 10px;font:11px var(--mono);display:flex;justify-content:space-between}
.p22-log{height:calc(100% - 76px);background:#f3f3ee;padding:10px;overflow:auto;font:12px/1.45 var(--mono)}
.p22-msg{margin:0 0 8px}
.p22-msg .who{font-weight:bold}
.p22-inputrow{height:42px;background:#d2d2d2;border-top:1px solid #888;padding:6px;display:flex;gap:5px}
#p22Input{flex:1;border:1px inset #888;padding:5px;font:12px var(--mono)}
.sendbtn{width:62px}

/* TRASH / TEXT WINDOW */
#trashWin{left:8%;top:27%;width:440px;height:325px}
#sessionWin{right:4%;top:10%;width:390px;height:320px}
.file-list{padding:8px;background:#eee;height:100%;font:12px var(--mono)}
.file-row{padding:7px;border-bottom:1px dotted #aaa;cursor:pointer}
.file-row:hover{background:#fff}
.text-doc{padding:14px;font:12px/1.5 var(--mono);white-space:pre-wrap}
.session-card{margin:12px;border:1px inset #888;background:#eee;padding:12px;font:12px/1.5 var(--mono)}
.session-light{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 6px var(--green);margin-right:6px}
.session-button{margin-top:12px;padding:6px 8px;background:#ccc;border:1px solid white;border-right-color:#666;border-bottom-color:#666}
.warning{background:#111;color:#ffcf6e;padding:8px;margin-top:10px}

/* TASKBAR */
#taskbar{
  position:fixed;left:0;right:0;bottom:0;height:30px;background:#c8c8c8;color:#111;
  border-top:2px solid #eee;display:flex;align-items:center;padding:2px 4px;gap:4px;z-index:9000;
}
#startBtn,.taskbtn,#sessionBtn{
  height:24px;background:#c8c8c8;border:1px solid #fff;border-right-color:#555;border-bottom-color:#555;
  padding:2px 8px;font:bold 11px var(--sans);
}
#startBtn{min-width:76px;text-align:left}
#tasks{display:flex;gap:3px;flex:1;min-width:0}
.taskbtn{font-weight:normal;max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.taskbtn.current{border:1px inset #777;background:#aaa}
#sessionBtn{font:11px var(--mono);white-space:nowrap}
#clock{font:11px var(--mono);padding:0 6px;min-width:72px;text-align:center}

/* START MENU */
#startMenu{
  position:fixed;left:3px;bottom:29px;width:235px;background:#c8c8c8;color:#111;border:2px solid #eee;
  border-right-color:#444;border-bottom-color:#444;z-index:9500;display:none;padding:3px;
}
.start-row{padding:8px 9px;font:12px var(--sans);cursor:pointer;display:flex;justify-content:space-between}
.start-row:hover{background:#111;color:#fff}
.start-side{position:absolute;left:-26px;bottom:-2px;width:26px;height:100%;background:#333;color:#aaa;
  writing-mode:vertical-rl;transform:rotate(180deg);font:bold 15px var(--sans);padding:8px 4px;letter-spacing:1px}

/* OCCUPIED */
#occupied{
  position:fixed;inset:0;background:#050505;color:#ddd;z-index:11000;display:none;
  align-items:center;justify-content:center;font:13px/1.6 var(--mono)
}
.occupied-box{border:1px solid #555;padding:24px;width:min(520px,88vw)}
.occupied-box h2{font-size:16px;color:var(--amber);margin-top:0}
.occupied-box button{margin-top:12px;background:#111;color:#ddd;border:1px solid #777;padding:7px 10px;font-family:var(--mono)}

@media (max-width:720px){
  .window{max-width:96vw!important;left:2vw!important;top:5vh!important;width:96vw!important;height:78vh!important}
  .browser-main{grid-template-columns:160px 1fr}
  .desktop-icon{width:76px}
  #sessionBtn{display:none}
}