html,body{
  margin:0;height:100%;background:#020617;color:#e6f0ff;
  font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Arial,sans-serif;
  overflow:hidden
}
.screen{position:fixed;inset:0;display:none}
.screen.active{display:block}

/* LOCK */
.lock{
  height:100%;
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  background:radial-gradient(circle at top,#0b1a33,#020617 70%)
}
.lock-time{font-size:64px;font-weight:650;letter-spacing:-1px}
.lock-date{color:#8aa0c9;margin-top:8px}
.lock-hint{
  color:rgba(230,240,255,.80);
  margin-top:18px;
  padding:10px 14px;
  border:1px solid rgba(255,255,255,.10);
  border-radius:999px;
  background:rgba(0,0,0,.18)
}

/* DESKTOP */
#desktop{background:radial-gradient(circle at top,#0b1a33,#020617 70%)}
.wallpaper-text{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:96px;font-weight:750;letter-spacing:-2px;
  color:rgba(255,255,255,0.04);pointer-events:none;user-select:none
}

/* Desktop icons */
.icons{
  position:absolute;top:18px;left:18px;
  display:grid;grid-template-columns:repeat(1, 88px);
  gap:14px;
  z-index:200;
}
.icon{
  width:88px;
  text-align:center;
  cursor:pointer;
  user-select:none;
}
.icon .glyph{font-size:26px;line-height:28px}
.icon .label{
  display:block;
  font-size:12px;
  color:#e6f0ff;
  margin-top:6px;
  text-shadow:0 1px 10px rgba(0,0,0,.45);
}

/* TASKBAR (Win11-ish: no hard line) */
.taskbar{
  position:absolute;bottom:0;left:0;right:0;height:56px;
  background:rgba(10,18,36,.55);
  backdrop-filter:blur(18px);
  display:flex;align-items:center;padding:0 12px;
  z-index:1000;
  box-shadow:0 -8px 30px rgba(0,0,0,.45);
}
.start{
  width:42px;height:42px;border-radius:12px;border:none;
  background:rgba(255,255,255,.10);
  color:#e6f0ff;font-weight:800;cursor:pointer
}
.start:hover{background:rgba(255,255,255,.14)}
.task-center{flex:1;display:flex;justify-content:center;gap:10px}
.task-center button{
  width:42px;height:42px;border-radius:12px;border:none;
  background:rgba(255,255,255,.08);color:#e6f0ff;cursor:pointer
}
.task-center button.active{background:rgba(90,166,255,.22);outline:1px solid rgba(90,166,255,.25)}
.task-clock{font-size:13px;color:#8aa0c9;padding:0 6px}

/* START MENU */
#startMenu{
  position:absolute;bottom:66px;left:12px;width:260px;
  background:rgba(11,18,34,.92);
  border:1px solid rgba(255,255,255,.10);
  border-radius:16px;
  padding:10px;
  display:none;
  z-index:1100;
  box-shadow:0 24px 80px rgba(0,0,0,.55);
}
.startTitle{font-weight:700;font-size:13px;color:#e6f0ff;padding:6px 8px 10px}
.startList{display:flex;flex-direction:column;gap:6px}
#startMenu button{
  width:100%;
  text-align:left;
  border:none;
  border-radius:12px;
  padding:10px 10px;
  font-size:13px;
  color:#e6f0ff;
  background:rgba(255,255,255,.06);
  cursor:pointer;
}
#startMenu button:hover{background:rgba(255,255,255,.10)}
.startDivider{height:1px;background:rgba(255,255,255,.08);margin:10px 6px}
#startMenu button.danger{
  background:rgba(239,68,68,.14);
  border:1px solid rgba(239,68,68,.25);
  color:#ffd6d6;
}

/* WINDOW */
.window{
  position:absolute;top:90px;left:120px;width:min(1100px, 78%);height:min(700px, 72%);
  background:#020617;border:1px solid #1e2a44;
  border-radius:14px;overflow:hidden;z-index:900;
  box-shadow:0 30px 90px rgba(0,0,0,.55);
}
.window.hidden{display:none}
.window.maximized{
  top:0 !important;
  left:0 !important;
  width:100% !important;
  height:calc(100% - 56px) !important;
  border-radius:0 !important;
}
.window-bar{
  height:38px;background:rgba(255,255,255,.06);
  display:flex;justify-content:space-between;align-items:center;
  padding:0 10px;cursor:move;
}
.winTitle{display:flex;align-items:baseline;gap:10px}
.winTitle #winTitle{font-weight:700;font-size:13px}
.winSub{font-size:12px;color:#8aa0c9}
.winBtns{display:flex;gap:6px;align-items:center}
.winBtns button{
  width:32px;height:28px;border-radius:10px;
  background:rgba(255,255,255,.08);
  border:none;color:#e6f0ff;
  cursor:pointer
}
.winBtns button:hover{background:rgba(255,255,255,.12)}
.winBtns button.ghost{background:rgba(255,255,255,.05)}
.winBtns button.ghost:hover{background:rgba(255,255,255,.10)}

.browser-controls{
  display:flex;gap:6px;padding:6px;background:#020617;border-bottom:1px solid rgba(255,255,255,.06)
}
.browser-controls input{
  flex:1;background:#0b1222;border:1px solid #1e2a44;
  color:#e6f0ff;padding:8px;border-radius:10px;outline:none
}
.browser-controls button{
  border:none;border-radius:10px;padding:8px 10px;
  background:linear-gradient(90deg,#5aa6ff,#2f6bff);
  color:#fff;cursor:pointer;font-weight:650
}
.browser-controls button.ghost{
  background:rgba(255,255,255,.08);
  color:#e6f0ff;
}
.browser-controls button.ghost:hover{background:rgba(255,255,255,.12)}

.window iframe{
  width:100%;height:calc(100% - 38px - 48px);border:none;background:#0b1222
}
.embedNote{
  position:absolute;left:14px;bottom:70px;
  padding:10px 12px;border-radius:12px;
  background:rgba(0,0,0,.35);
  border:1px solid rgba(255,255,255,.10);
  color:rgba(230,240,255,.85);
  font-size:12px;
  max-width:380px;
  display:none;
}
.embedNote.show{display:block}

/* TOAST */
.toast{
  position:absolute;
  left:50%;
  transform:translateX(-50%);
  bottom:76px;
  padding:10px 14px;
  border-radius:999px;
  background:rgba(0,0,0,.45);
  border:1px solid rgba(255,255,255,.10);
  color:#e6f0ff;
  font-size:13px;
  opacity:0;
  pointer-events:none;
  transition:opacity .18s ease;
  z-index:1200;
}
.toast.show{opacity:1}



/* Boot screen */
.bootCard{width:min(520px,92vw);padding:22px 22px 18px;border:1px solid rgba(255,255,255,.12);border-radius:14px;background:rgba(0,0,0,.55);box-shadow:0 18px 60px rgba(0,0,0,.55)}
.bootTitle{font-size:22px;font-weight:700;letter-spacing:.4px;margin-bottom:10px}
.bootMsg{font-size:14px;opacity:.9;margin-bottom:10px}
.spinRow{display:flex;justify-content:center;margin:8px 0 10px}
.spinner{width:18px;height:18px;border-radius:999px;border:2px solid rgba(255,255,255,.25);border-top-color:rgba(255,255,255,.9);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.bootBarWrap{height:10px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden}
.bootBar{height:100%;border-radius:999px;background:rgba(255,255,255,.9);width:0%;transition:width .25s linear}
.bootMeta{display:flex;justify-content:flex-end;margin-top:8px}
.bootPct{font-size:12px;opacity:.85}

/* Taskbar clock stacked */
.clockWrap{display:flex;flex-direction:column;align-items:flex-end;gap:2px;cursor:pointer;user-select:none}
.clockTime{font-size:13px;line-height:13px}
.clockDateMini{font-size:11px;opacity:.75;line-height:11px}

/* Start menu extra button */
button.warn{background:#222;border:1px solid rgba(255,255,255,.18);color:#fff;margin-top:8px}
button.warn:hover{filter:brightness(1.12)}

/* Internal apps pane */
.internalPane.hidden{display:none}
.internalPane{display:block;padding:14px}

/* SIGN IN */
#scr-signin{background:radial-gradient(circle at top,#0b1a33,#020617 70%)}
.signin{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px}
.signinText{font-size:13px;color:rgba(230,240,255,.85)}

/* Context menu */
.ctxMenu{position:absolute;min-width:180px;background:rgba(11,18,34,.95);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:6px;z-index:1500;box-shadow:0 24px 80px rgba(0,0,0,.6)}
.ctxMenu.hidden{display:none}
.ctxMenu button{width:100%;text-align:left;border:none;border-radius:10px;padding:9px 10px;background:rgba(255,255,255,.06);color:#e6f0ff;font-size:13px;cursor:pointer}
.ctxMenu button:hover{background:rgba(255,255,255,.10)}

/* Browser controls: resizable address bar */
.browser-controls input#addressBar{resize:horizontal;overflow:auto;min-width:240px;max-width:100%}

/* Internal: Files */
.internalCard{border:1px solid rgba(255,255,255,.10);border-radius:14px;background:rgba(0,0,0,.35);padding:12px;box-shadow:0 18px 60px rgba(0,0,0,.35)}
.internalTitle{font-weight:700;font-size:13px;margin-bottom:8px}
.filesTop{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:10px}
.crumb{font-size:12px;color:rgba(230,240,255,.85)}
.filesTop .btn{border:none;border-radius:10px;padding:8px 10px;background:rgba(255,255,255,.08);color:#e6f0ff;cursor:pointer;font-size:12px}
.filesTop .btn:hover{background:rgba(255,255,255,.12)}
.filesList{display:grid;grid-template-columns:repeat(auto-fill, minmax(160px,1fr));gap:10px}
.fileItem{border:1px solid rgba(255,255,255,.10);border-radius:12px;padding:10px;background:rgba(255,255,255,.04);cursor:pointer;user-select:none}
.fileItem:hover{background:rgba(255,255,255,.06)}
.fileGlyph{font-size:18px}
.fileName{margin-top:6px;font-size:12px;line-height:14px}
.fileMeta{margin-top:4px;font-size:11px;color:#8aa0c9}
.editorBox{width:100%;height:360px;resize:vertical;background:#0b1222;border:1px solid #1e2a44;color:#e6f0ff;border-radius:12px;padding:10px;outline:none;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;font-size:12px;line-height:16px}

/* Internal: Calendar grid */
.calGrid{margin-top:10px;display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.calCell{padding:8px 6px;border:1px solid rgba(255,255,255,.08);border-radius:10px;background:rgba(255,255,255,.04);text-align:center;font-size:12px}
.calCell.muted{opacity:.55}
.calCell.today{outline:1px solid rgba(90,166,255,.35);background:rgba(90,166,255,.14)}

/* Calculator */
.calcDisp{background:#0b1222;border:1px solid #1e2a44;border-radius:12px;padding:12px;font-size:18px;text-align:right;margin-top:10px}
.calcWrap{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:10px}
.calcBtn{border:none;border-radius:12px;padding:12px;background:rgba(255,255,255,.06);color:#e6f0ff;cursor:pointer;font-size:14px}
.calcBtn:hover{background:rgba(255,255,255,.10)}
.calcBtn.op{background:rgba(90,166,255,.12);border:1px solid rgba(90,166,255,.20)}
.calcBtn.eq{background:rgba(255,255,255,.14)}

/* Signing in screen */
.signin{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;background:radial-gradient(circle at top,#0b1a33,#020617 70%)}
.signinText{margin-top:10px;color:rgba(230,240,255,.90);font-size:13px}

/* Context menu */
.ctxMenu{position:absolute;min-width:170px;background:rgba(11,18,34,.96);border:1px solid rgba(255,255,255,.12);border-radius:14px;box-shadow:0 24px 80px rgba(0,0,0,.55);padding:6px;z-index:1500}
.ctxMenu.hidden{display:none}
.ctxMenu button{width:100%;text-align:left;border:none;border-radius:10px;padding:10px 10px;font-size:13px;color:#e6f0ff;background:rgba(255,255,255,.06);cursor:pointer}
.ctxMenu button:hover{background:rgba(255,255,255,.10)}

/* File Explorer */
.fileTop{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.filePath{font-size:12px;color:#8aa0c9;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fileBtns{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.fileBtns button{border:none;border-radius:10px;padding:8px 10px;background:rgba(255,255,255,.08);color:#e6f0ff;cursor:pointer;font-size:12px}
.fileBtns button:hover{background:rgba(255,255,255,.12)}
.fileList{display:grid;grid-template-columns:repeat(auto-fill, minmax(160px, 1fr));gap:10px}
.fileItem{border:1px solid rgba(255,255,255,.10);border-radius:14px;background:rgba(255,255,255,.04);padding:10px;cursor:pointer;user-select:none}
.fileItem:hover{background:rgba(255,255,255,.06)}
.fileGlyph{font-size:18px}
.fileName{margin-top:6px;font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* Text editor */
.textEditor{display:flex;flex-direction:column;gap:10px}
.textEditor textarea{width:100%;min-height:360px;resize:vertical;background:#0b1222;border:1px solid #1e2a44;border-radius:14px;color:#e6f0ff;padding:12px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:12px;outline:none}

/* Address bar resizable */
.browser-controls input#addressBar{resize:horizontal;min-width:240px;max-width:100%;overflow:auto}
.internalCard{border:1px solid rgba(255,255,255,.12);border-radius:14px;background:rgba(0,0,0,.45);padding:16px}
.internalTitle{font-size:16px;font-weight:700;margin-bottom:6px}
.miniText{font-size:12px;opacity:.78}
.calN{font-variant-numeric:tabular-nums}

/* Calendar */
.calGrid{margin-top:12px;display:grid;grid-template-columns:repeat(7,1fr);gap:8px}
.calCell{border:1px solid rgba(255,255,255,.10);border-radius:10px;min-height:34px;display:flex;align-items:center;justify-content:center;font-size:12px}
.calCell.muted{opacity:.55}
.calCell.today{outline:2px solid rgba(255,255,255,.35)}

/* Calculator */
.calcDisp{border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:10px 12px;font-size:18px;text-align:right;margin:10px 0 12px;background:rgba(0,0,0,.35)}
.calcWrap{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.calcBtn{border:1px solid rgba(255,255,255,.14);border-radius:12px;background:rgba(0,0,0,.25);color:#fff;padding:10px 0;font-size:14px;cursor:pointer}
.calcBtn:hover{filter:brightness(1.15)}
.calcBtn.op{background:rgba(255,255,255,.10)}
.calcBtn.eq{background:rgba(255,255,255,.20)}




/* FORCE: boot + signin true center */
#scr-boot.screen.active{display:flex;align-items:center;justify-content:center}
#scr-signin.screen.active{display:flex;align-items:center;justify-content:center}

/* Lock screen video */
.lock{position:relative;overflow:hidden;background:#000}
.lockVideoWrap{position:absolute;inset:0;z-index:0}
.lockVideo{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;transform:scale(1.12)}
.lockOverlay{position:relative;z-index:1;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  background:linear-gradient(to bottom, rgba(0,0,0,.35), rgba(0,0,0,.55));
}
.lockLoginBtn{margin-top:10px;padding:10px 16px;border-radius:12px;border:1px solid rgba(255,255,255,.25);background:rgba(0,0,0,.35);color:#e6f0ff}

/* Context menu additions */
.ctxSep{height:1px;background:rgba(255,255,255,.12);margin:6px 0}
.ctxMenu .danger{color:#ffb4b4}

/* Trash icon won't cover clock: place bottom-left */


/* Desktop video wallpaper */
.desktop{position:relative;overflow:hidden}
.desktopVideoWrap{position:absolute;inset:0;z-index:0}
.desktopVideo{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;transform:scale(1.12)}
.desktopBrand{
  position:absolute;
  top:50%;
  left:50%;
  transform:translate(-50%,-50%);
  font-size:64px;
  font-weight:600;
  letter-spacing:2px;
  color:#ffffff;
  opacity:0.85;
  pointer-events:none;
}
#icons{position:relative;z-index:1}
#taskbar{position:relative;z-index:2}


/* Prevent blurry first frame */
.desktopVideo, .lockVideo {
  opacity: 0;
  transition: opacity 0.6s ease;
}
.desktopVideo.ready, .lockVideo.ready {
  opacity: 1;
}