/* Layout: lab manual rail on the left, simulated Windows 11 machine on the right.
   Panel tokens follow the viewer theme; the simulated OS has its own light/dark world driven by its settings. */
:root{
  --bg:#eef1f4; --panel:#fbfcfd; --ink:#18202a; --muted:#5b6673; --line:#d6dde4;
  --accent:#0b6e7f; --accent-ink:#ffffff; --ok:#2e7d4f; --warn:#a76600; --bad:#b3261e; --chip:#e4ecef;
  --font-ui:"IBM Plex Sans",system-ui,"Segoe UI",sans-serif; --font-mono:"IBM Plex Mono","Cascadia Mono",Consolas,monospace;
  --font-win:"Segoe UI Variable Text","Segoe UI","Noto Sans",system-ui,sans-serif;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0f1418; --panel:#161d23; --ink:#e3e9ee; --muted:#93a1ad; --line:#2a343d;
  --accent:#4fb7c9; --accent-ink:#06232a; --ok:#5cc489; --warn:#e2a443; --bad:#f2786f; --chip:#1f2a31; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0f1418; --panel:#161d23; --ink:#e3e9ee; --muted:#93a1ad; --line:#2a343d;
  --accent:#4fb7c9; --accent-ink:#06232a; --ok:#5cc489; --warn:#e2a443; --bad:#f2786f; --chip:#1f2a31; color-scheme:dark}
html,body{height:100%}
body{background:var(--bg);color:var(--ink);font-family:var(--font-ui);margin:0;overflow:hidden}
button{font:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

#app{display:flex;height:100%;min-height:0}
#rail{width:380px;flex:0 0 380px;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0;transition:margin .2s}
#app.rail-hidden #rail{margin-left:-380px}
#stage{flex:1;min-width:0;position:relative;display:flex;flex-direction:column}

/* ---------- Lab rail ---------- */
.rail-head{padding:14px 16px 10px;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:8px}
.brand{display:flex;align-items:center;gap:10px}
.brand b{font-size:15px;letter-spacing:.01em}
.brand small{display:block;color:var(--muted);font-size:11.5px;letter-spacing:.04em;text-transform:uppercase}
.brand .logo{width:30px;height:30px;border-radius:7px;background:var(--accent);display:grid;grid-template-columns:1fr 1fr;gap:2px;padding:6px}
.brand .logo i{background:var(--accent-ink);border-radius:1.5px;opacity:.9}
.lab-select{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--ink);font:inherit;font-size:13.5px}
.rail-tools{display:flex;gap:6px;flex-wrap:wrap}
.btn{border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:6px;padding:6px 10px;font-size:12.5px}
.btn:hover{border-color:var(--accent)}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.rail-body{flex:1;overflow:auto;padding:14px 16px 24px;display:flex;flex-direction:column;gap:14px}
.lab-meta{display:flex;flex-direction:column;gap:6px}
.lab-meta .eyebrow{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);font-weight:600}
.lab-meta h2{margin:0;font-size:19px;line-height:1.25;text-wrap:balance}
.lab-meta p{margin:0;color:var(--muted);font-size:13px;line-height:1.5}
.scenario{border-left:3px solid var(--warn);background:var(--chip);padding:10px 12px;border-radius:0 6px 6px 0;font-size:13px;line-height:1.5}
.scenario b{display:block;font-size:11px;letter-spacing:.07em;text-transform:uppercase;color:var(--warn);margin-bottom:3px}
.progress{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.bar{flex:1;height:6px;background:var(--chip);border-radius:3px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--ok);transition:width .4s}
.tasks{display:flex;flex-direction:column;gap:8px;list-style:none;margin:0;padding:0}
.task{border:1px solid var(--line);border-radius:8px;padding:10px 12px;background:var(--panel);display:flex;flex-direction:column;gap:6px}
.task.done{border-color:color-mix(in srgb,var(--ok) 45%,var(--line))}
.task.current{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}
.task-top{display:flex;gap:10px;align-items:flex-start}
.tick{flex:0 0 20px;height:20px;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;font-size:11px;font-weight:700;color:var(--muted);font-variant-numeric:tabular-nums}
.task.done .tick{background:var(--ok);border-color:var(--ok);color:#fff}
.task-title{font-size:13.5px;font-weight:600;line-height:1.35;min-width:0}
.task-desc{font-size:12.8px;color:var(--muted);line-height:1.5;margin-left:30px}
.task-desc code,.steps code,.quiz code{font-family:var(--font-mono);font-size:12px;background:var(--chip);padding:1px 4px;border-radius:3px;color:var(--ink)}
.task-actions{margin-left:30px;display:flex;gap:6px;flex-wrap:wrap}
.link{background:none;border:none;color:var(--accent);padding:0;font-size:12px;text-decoration:underline;text-underline-offset:2px}
.steps{margin:0 0 0 30px;padding:8px 10px 8px 26px;background:var(--chip);border-radius:6px;font-size:12.5px;line-height:1.55}
.hint{margin-left:30px;font-size:12.5px;background:color-mix(in srgb,var(--warn) 14%,transparent);border-radius:6px;padding:7px 10px;line-height:1.5}
.quiz{margin-left:30px;display:flex;flex-direction:column;gap:5px}
.quiz label{display:flex;gap:8px;align-items:flex-start;font-size:12.8px;padding:5px 8px;border:1px solid var(--line);border-radius:6px;cursor:pointer}
.quiz label.wrong{border-color:var(--bad);color:var(--bad)}
.quiz label.right{border-color:var(--ok);color:var(--ok)}
.quiz .explain{font-size:12.3px;color:var(--muted);line-height:1.5}
.objectives{margin:0;padding-left:18px;font-size:12.8px;color:var(--muted);line-height:1.55}
.section-label{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:600}
.rail-foot{border-top:1px solid var(--line);padding:8px 16px;font-size:11px;color:var(--muted)}

.stagebar{display:flex;align-items:center;gap:8px;padding:6px 10px;background:var(--panel);border-bottom:1px solid var(--line);font-size:12.5px;color:var(--muted);flex-wrap:wrap}
.stagebar .sp{flex:1}
.stagebar .pill{padding:2px 8px;border-radius:10px;background:var(--chip);color:var(--ink);font-variant-numeric:tabular-nums}

@media (max-width: 820px){
  body{overflow:auto}
  #app{flex-direction:column;height:auto}
  #rail{width:auto;flex:none;max-height:none;border-right:none;border-bottom:1px solid var(--line)}
  #app.rail-hidden #rail{margin-left:0;display:none}
  #stage{height:760px;flex:none}
}

/* ---------- Simulated Windows 11 ---------- */
.sim{--w-bg:#f3f3f3;--w-card:#fbfbfb;--w-card2:#ffffff;--w-ink:#1b1b1b;--w-muted:#5f5f5f;--w-line:#e0e0e0;--w-acc:#0067c0;--w-acc-ink:#fff;--w-hover:rgba(0,0,0,.05);
  --w-task:rgba(238,238,240,.86);--w-menu:rgba(242,242,244,.96);--w-sel:#e5f0fb;--w-ok:#0f7b0f;--w-bad:#c42b1c;--w-warn:#9d5d00;--w-field:#fff;
  position:relative;flex:1;min-height:0;overflow:hidden;font-family:var(--font-win);font-size:13px;color:var(--w-ink);user-select:none;
  background:radial-gradient(120% 90% at 70% 110%,#1d5fd1 0%,#3d8af0 22%,rgba(0,0,0,0) 48%),radial-gradient(90% 70% at 30% 105%,#5ca7ff 0%,rgba(0,0,0,0) 45%),linear-gradient(160deg,#cfe3fa 0%,#a9c9ef 45%,#7aa7e4 100%)}
.sim.dark{--w-bg:#202020;--w-card:#2b2b2b;--w-card2:#323232;--w-ink:#f3f3f3;--w-muted:#b3b3b3;--w-line:#3a3a3a;--w-acc:#4cc2ff;--w-acc-ink:#002033;--w-hover:rgba(255,255,255,.06);
  --w-task:rgba(32,32,36,.88);--w-menu:rgba(40,40,44,.97);--w-sel:#24394d;--w-ok:#6ccb5f;--w-bad:#ff99a4;--w-warn:#fce100;--w-field:#2d2d2d;
  background:radial-gradient(120% 90% at 70% 110%,#0a3a96 0%,#1257c9 22%,rgba(0,0,0,0) 48%),radial-gradient(90% 70% at 30% 105%,#2a6fd8 0%,rgba(0,0,0,0) 45%),linear-gradient(160deg,#0b1730 0%,#0e2550 50%,#123a7a 100%)}
.sim.safemode{background:#000}
.sim.safemode::before,.sim.safemode::after{content:"Safe Mode";position:absolute;color:#fff;font-size:14px;z-index:1}
.sim.safemode::before{top:8px;left:10px}.sim.safemode::after{top:8px;right:10px}
.sim input,.sim select,.sim textarea{font-family:var(--font-win);font-size:13px;color:var(--w-ink);background:var(--w-field);border:1px solid var(--w-line);border-bottom-color:#8a8a8a;border-radius:4px;padding:5px 8px}
.sim input[type=checkbox],.sim input[type=radio]{accent-color:var(--w-acc)}
#desk{position:absolute;inset:0 0 48px 0}
.dicons{position:absolute;top:8px;left:8px;display:flex;flex-direction:column;gap:4px;z-index:1}
.dicon{width:76px;padding:6px 2px;border-radius:4px;color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.6);display:flex;flex-direction:column;align-items:center;gap:4px;font-size:12px;text-align:center;border:1px solid transparent;background:none}
.dicon:hover{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.25)}

.taskbar{position:absolute;left:0;right:0;bottom:0;height:48px;background:var(--w-task);backdrop-filter:blur(30px);border-top:1px solid rgba(0,0,0,.08);display:flex;align-items:center;padding:0 8px;z-index:5000}
.tb-center{position:absolute;left:50%;transform:translateX(-50%);display:flex;gap:2px;align-items:center}
.sim.tb-left .tb-center{left:8px;transform:none}
.tb-btn{height:40px;min-width:40px;border:none;background:transparent;border-radius:4px;display:grid;place-items:center;position:relative;color:var(--w-ink)}
.tb-btn:hover{background:var(--w-hover)}
.tb-btn.open::after{content:"";position:absolute;bottom:2px;width:6px;height:3px;border-radius:2px;background:var(--w-muted)}
.tb-btn.active::after{width:16px;background:var(--w-acc)}
.tb-right{margin-left:auto;display:flex;align-items:center;gap:2px}
.tray{height:40px;border:none;background:transparent;color:var(--w-ink);border-radius:4px;display:flex;align-items:center;gap:8px;padding:0 8px;font-size:12px}
.tray:hover{background:var(--w-hover)}
.clock{text-align:right;line-height:1.25;font-size:12px;font-variant-numeric:tabular-nums}
.tb-search{height:32px;width:190px;border-radius:16px;border:1px solid var(--w-line);background:var(--w-card);display:flex;align-items:center;gap:8px;padding:0 12px;color:var(--w-muted);font-size:13px;margin:0 4px}

.flyout{position:absolute;bottom:58px;background:var(--w-menu);backdrop-filter:blur(40px);border:1px solid var(--w-line);border-radius:8px;box-shadow:0 16px 40px rgba(0,0,0,.28);z-index:6000}
.startmenu{left:50%;transform:translateX(-50%);width:min(620px,calc(100% - 20px));max-height:calc(100% - 70px);display:flex;flex-direction:column}
.sim.tb-left .startmenu{left:10px;transform:none}
.sm-search{margin:22px 28px 10px;padding:8px 14px;border-radius:18px;border:1px solid var(--w-line);border-bottom:2px solid var(--w-acc);background:var(--w-field);width:auto}
.sm-body{padding:8px 28px 14px;overflow:auto;flex:1}
.sm-h{display:flex;justify-content:space-between;font-weight:600;margin:8px 0}
.sm-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(88px,1fr));gap:4px}
.sm-app{border:none;background:transparent;border-radius:6px;padding:10px 4px;display:flex;flex-direction:column;align-items:center;gap:6px;font-size:12px;color:var(--w-ink);text-align:center}
.sm-app:hover{background:var(--w-hover)}
.sm-foot{border-top:1px solid var(--w-line);padding:10px 28px;display:flex;justify-content:space-between;align-items:center;background:rgba(0,0,0,.03);border-radius:0 0 8px 8px}
.sm-res{display:flex;flex-direction:column;gap:2px}
.sm-row{display:flex;align-items:center;gap:10px;border:none;background:transparent;color:var(--w-ink);padding:8px;border-radius:6px;text-align:left;width:100%}
.sm-row:hover{background:var(--w-hover)}
.sm-row small{color:var(--w-muted);display:block}
.qs{right:10px;width:340px;padding:14px;display:flex;flex-direction:column;gap:12px}
.qs-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.qs-tile{border:1px solid var(--w-line);border-radius:6px;padding:12px 4px;background:var(--w-card);color:var(--w-ink);font-size:12px;display:flex;flex-direction:column;align-items:center;gap:6px}
.qs-tile.on{background:var(--w-acc);color:var(--w-acc-ink);border-color:var(--w-acc)}

.menu{position:absolute;min-width:220px;background:var(--w-menu);backdrop-filter:blur(40px);border:1px solid var(--w-line);border-radius:8px;box-shadow:0 10px 30px rgba(0,0,0,.25);padding:4px;z-index:9000;font-size:13px}
.menu button{display:flex;width:100%;align-items:center;gap:10px;border:none;background:transparent;color:var(--w-ink);text-align:left;padding:6px 12px;border-radius:4px}
.menu button:hover:not(:disabled){background:var(--w-hover)}
.menu button:disabled{color:var(--w-muted);cursor:default}
.menu hr{border:none;border-top:1px solid var(--w-line);margin:4px 0}

.win{position:absolute;background:var(--w-bg);border:1px solid var(--w-line);border-radius:8px;box-shadow:0 18px 50px rgba(0,0,0,.30);display:flex;flex-direction:column;overflow:hidden;min-width:280px;min-height:160px;max-width:100%;max-height:100%}
.win.inactive{box-shadow:0 8px 24px rgba(0,0,0,.18)}
.win.max{left:0!important;top:0!important;width:100%!important;height:100%!important;border-radius:0}
.win.min{display:none}
.titlebar{height:32px;flex:0 0 32px;display:flex;align-items:center;gap:8px;padding-left:10px;font-size:12px;cursor:default}
.win.inactive .titlebar{color:var(--w-muted)}
.titlebar .t{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.wbtn{width:46px;height:32px;border:none;background:transparent;color:var(--w-ink);font-size:14px;display:grid;place-items:center}
.wbtn:hover{background:var(--w-hover)}.wbtn.x:hover{background:#c42b1c;color:#fff}
.wbody{flex:1;min-height:0;overflow:auto;position:relative;user-select:text}
.resizer{position:absolute;right:0;bottom:0;width:14px;height:14px;cursor:nwse-resize}

/* common app widgets */
.pad{padding:16px 20px}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.col{display:flex;flex-direction:column;gap:8px}
.grow{flex:1;min-width:0}
.wb{border:1px solid var(--w-line);background:var(--w-card2);color:var(--w-ink);border-radius:4px;padding:5px 14px;font-size:13px;min-height:30px}
.wb:hover:not(:disabled){background:var(--w-card)}
.wb:disabled{opacity:.5;cursor:default}
.wb.acc{background:var(--w-acc);color:var(--w-acc-ink);border-color:var(--w-acc)}
.wb.acc:hover:not(:disabled){filter:brightness(1.08);background:var(--w-acc)}
.wb.sm{padding:2px 10px;min-height:24px;font-size:12px}
.card{background:var(--w-card);border:1px solid var(--w-line);border-radius:6px;padding:12px 16px;display:flex;align-items:center;gap:14px}
.card + .card{margin-top:3px}
.card .grow small{display:block;color:var(--w-muted);font-size:12px;margin-top:2px}
.card.click{cursor:pointer}.card.click:hover{background:var(--w-card2)}
.h1{font-size:26px;font-weight:600;margin:0 0 14px}
.h2{font-size:14px;font-weight:600;margin:16px 0 8px}
.muted{color:var(--w-muted)}
.okc{color:var(--w-ok)}.badc{color:var(--w-bad)}.warnc{color:var(--w-warn)}
.toggle{width:40px;height:20px;border-radius:10px;border:1px solid var(--w-muted);background:transparent;position:relative;flex:0 0 40px;padding:0}
.toggle::after{content:"";position:absolute;top:3px;left:4px;width:12px;height:12px;border-radius:50%;background:var(--w-muted);transition:left .15s}
.toggle.on{background:var(--w-acc);border-color:var(--w-acc)}
.toggle.on::after{left:23px;background:var(--w-acc-ink)}
.tlabel{display:flex;align-items:center;gap:10px;font-size:13px}
table.grid{border-collapse:collapse;width:100%;font-size:12.5px}
table.grid th{position:sticky;top:0;background:var(--w-card);text-align:left;font-weight:400;color:var(--w-muted);border-bottom:1px solid var(--w-line);padding:5px 8px;white-space:nowrap}
table.grid td{padding:4px 8px;white-space:nowrap;border-bottom:1px solid transparent}
table.grid tr.sel td{background:var(--w-sel)}
table.grid tbody tr:hover td{background:var(--w-hover)}
table.grid tr.sel:hover td{background:var(--w-sel)}
.tree{font-size:12.5px;padding:4px}
.tree .node{display:flex;align-items:center;gap:5px;padding:2px 4px;border-radius:3px;cursor:default;white-space:nowrap}
.tree .node:hover{background:var(--w-hover)}
.tree .node.sel{background:var(--w-sel)}
.tree .kids{padding-left:16px}
.tree .tw{width:12px;display:inline-block;text-align:center;color:var(--w-muted);font-size:10px}
.split{display:flex;height:100%;min-height:0}
.split > .side{width:220px;flex:0 0 220px;border-right:1px solid var(--w-line);overflow:auto;background:var(--w-card)}
.split > .main{flex:1;min-width:0;overflow:auto}
.toolbar{display:flex;gap:2px;padding:4px 6px;border-bottom:1px solid var(--w-line);background:var(--w-card);flex-wrap:wrap;align-items:center}
.toolbar button{border:none;background:transparent;color:var(--w-ink);padding:4px 8px;border-radius:4px;font-size:12.5px;display:flex;align-items:center;gap:5px}
.toolbar button:hover:not(:disabled){background:var(--w-hover)}
.toolbar button:disabled{opacity:.45}
.menubar{display:flex;gap:2px;padding:2px 4px;font-size:12.5px;border-bottom:1px solid var(--w-line);background:var(--w-card)}
.menubar button{border:none;background:transparent;color:var(--w-ink);padding:3px 8px;border-radius:3px}
.menubar button:hover{background:var(--w-hover)}
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--w-line);padding:0 8px;flex-wrap:wrap}
.tabs button{border:none;background:transparent;color:var(--w-ink);padding:7px 12px;font-size:12.5px;border-bottom:2px solid transparent}
.tabs button.on{border-bottom-color:var(--w-acc);font-weight:600}
.classic{background:var(--w-card2)}
.fieldset{border:1px solid var(--w-line);border-radius:4px;padding:10px 12px;margin:8px 0;display:flex;flex-direction:column;gap:6px}
.fieldset > legend{padding:0 4px;font-size:12px;color:var(--w-muted)}
.kv{display:grid;grid-template-columns:160px 1fr;gap:4px 12px;font-size:12.5px}
.kv > div:nth-child(odd){color:var(--w-muted)}
.statusbar{border-top:1px solid var(--w-line);padding:3px 10px;font-size:11.5px;color:var(--w-muted);background:var(--w-card)}
.meter{height:8px;border-radius:4px;background:var(--w-line);overflow:hidden}
.meter i{display:block;height:100%;background:var(--w-acc)}
.meter.red i{background:var(--w-bad)}
.navlist{display:flex;flex-direction:column;gap:2px;padding:8px}
.navlist button{border:none;background:transparent;color:var(--w-ink);text-align:left;padding:8px 12px;border-radius:4px;display:flex;align-items:center;gap:12px;font-size:13px;position:relative}
.navlist button:hover{background:var(--w-hover)}
.navlist button.on{background:var(--w-hover);font-weight:600}
.navlist button.on::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:2px;background:var(--w-acc)}
.crumb{font-size:26px;font-weight:600;margin:0 0 16px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumb span.link2{color:var(--w-muted);cursor:pointer}
.crumb span.link2:hover{color:var(--w-ink)}
a.wl,.wl{color:var(--w-acc);cursor:pointer;text-decoration:none;background:none;border:none;padding:0;font-size:13px}
a.wl:hover,.wl:hover{text-decoration:underline}
.badge{display:inline-block;padding:1px 8px;border-radius:10px;font-size:11px;background:var(--w-line)}
.badge.ok{background:rgba(15,123,15,.15);color:var(--w-ok)}.badge.bad{background:rgba(196,43,28,.14);color:var(--w-bad)}.badge.warn{background:rgba(157,93,0,.15);color:var(--w-warn)}
.progressline{height:4px;background:var(--w-line);border-radius:2px;overflow:hidden}
.progressline i{display:block;height:100%;background:var(--w-acc);transition:width .3s}
.progressline.ind i{width:30%;animation:ind 1.2s infinite linear}
@keyframes ind{from{margin-left:-30%}to{margin-left:100%}}

/* modal */
.modal-back{position:absolute;inset:0;background:rgba(0,0,0,.25);z-index:11000;display:grid;place-items:center;padding:12px}
.modal{background:var(--w-bg);border:1px solid var(--w-line);border-radius:8px;box-shadow:0 24px 60px rgba(0,0,0,.35);width:min(480px,100%);max-height:100%;display:flex;flex-direction:column;overflow:hidden}
.modal .mt{padding:10px 14px;font-size:12px;display:flex;justify-content:space-between;align-items:center}
.modal .mb{padding:4px 22px 18px;overflow:auto;display:flex;flex-direction:column;gap:10px;user-select:text}
.modal .mb h3{margin:0;font-size:19px;font-weight:600}
.modal .mf{padding:14px 22px;background:var(--w-card);border-top:1px solid var(--w-line);display:flex;justify-content:flex-end;gap:8px;flex-wrap:wrap}

/* toasts */
.toasts{position:absolute;right:12px;bottom:60px;display:flex;flex-direction:column;gap:8px;z-index:7000;width:340px;max-width:calc(100% - 24px)}
.toast{background:var(--w-menu);border:1px solid var(--w-line);border-radius:8px;box-shadow:0 10px 30px rgba(0,0,0,.25);padding:12px 14px;display:flex;gap:10px;animation:tin .25s}
.toast b{display:block;margin-bottom:2px}
@keyframes tin{from{transform:translateY(12px);opacity:0}}

/* terminal */
.term{background:#0c0c0c;color:#cccccc;font-family:"Cascadia Mono","IBM Plex Mono",Consolas,monospace;font-size:13px;line-height:1.35;height:100%;overflow:auto;padding:6px 10px;white-space:pre-wrap;word-break:break-word;cursor:text}
.term.ps{background:#012456;color:#eeedf0}
.term .ln{min-height:1.35em}
.term .in{display:flex}
.term .in input{flex:1;background:transparent;border:none;outline:none;color:inherit;font:inherit;padding:0;margin:0;border-radius:0}
.term .err{color:#f48771}.term.ps .err{color:#ff6b6b;background:transparent}
.term .yel{color:#f9f1a5}.term .grn{color:#16c60c}.term .cy{color:#61d6d6}

/* full screens (boot, UEFI, setup, WinRE...) */
.screen{position:absolute;inset:0;z-index:10000;display:flex;flex-direction:column;user-select:none}
.scr-black{background:#000;color:#fff;align-items:center;justify-content:center}
.scr-blue{background:#0063b1;color:#fff}
.scr-re{background:#0b5bb5;color:#fff;padding:40px 6%;overflow:auto}
.re-h{font-size:28px;font-weight:300;margin:0 0 28px}
.re-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px 26px;max-width:900px}
.re-opt{display:flex;gap:14px;align-items:flex-start;border:none;background:transparent;color:#fff;text-align:left;padding:10px;font-size:15px}
.re-opt:hover{background:rgba(255,255,255,.12)}
.re-opt small{display:block;font-size:12px;opacity:.85;margin-top:2px}
.re-ic{width:40px;height:40px;flex:0 0 40px;border:2px solid #fff;border-radius:4px;display:grid;place-items:center;font-size:18px}
.re-back{border:none;background:transparent;color:#fff;font-size:15px;display:flex;align-items:center;gap:10px;margin-bottom:20px;padding:4px}
.re-btn{background:#fff;color:#0b5bb5;border:none;padding:8px 22px;font-size:14px}
.re-btn.ghost{background:transparent;color:#fff;border:2px solid #fff}
.spinner{width:40px;height:40px;position:relative}
.spinner i{position:absolute;inset:0;animation:spin 1.6s infinite cubic-bezier(.5,.1,.5,.9)}
.spinner i::before{content:"";position:absolute;top:0;left:50%;width:5px;height:5px;border-radius:50%;background:currentColor}
.spinner i:nth-child(2){animation-delay:.12s}.spinner i:nth-child(3){animation-delay:.24s}.spinner i:nth-child(4){animation-delay:.36s}.spinner i:nth-child(5){animation-delay:.48s}
@keyframes spin{to{transform:rotate(360deg)}}
.uefi{background:#0a2a5c;color:#dfe8f5;font-family:"IBM Plex Mono",Consolas,monospace;font-size:13px;padding:0;overflow:auto}
.uefi .uh{background:#c7d3e6;color:#0a2a5c;padding:6px 14px;display:flex;justify-content:space-between;font-weight:600}
.uefi .ut{display:flex;gap:2px;background:#163d7a;padding:0 10px;flex-wrap:wrap}
.uefi .ut button{background:transparent;border:none;color:#dfe8f5;font:inherit;padding:6px 14px}
.uefi .ut button.on{background:#dfe8f5;color:#0a2a5c}
.uefi .ub{display:flex;gap:20px;padding:18px;flex-wrap:wrap}
.uefi .ul{flex:1;min-width:280px;display:flex;flex-direction:column;gap:2px}
.uefi .ur{width:260px;border-left:1px solid #3a5f99;padding-left:16px;color:#9fb4d4;font-size:12px;line-height:1.5}
.uefi .it{display:flex;justify-content:space-between;gap:16px;padding:4px 8px;border:none;background:transparent;color:inherit;font:inherit;text-align:left;width:100%}
.uefi .it:hover,.uefi .it.sel{background:#dfe8f5;color:#0a2a5c}
.uefi .it span:last-child{color:#ffe28a}
.uefi .it:hover span:last-child,.uefi .it.sel span:last-child{color:#0a2a5c}
.uefi .uf{margin-top:auto;background:#163d7a;padding:6px 14px;display:flex;gap:18px;flex-wrap:wrap;font-size:12px}
.uefi .uf button{background:none;border:none;color:#ffe28a;font:inherit;padding:0}
.post{background:#000;color:#ddd;font-family:"IBM Plex Mono",Consolas,monospace;padding:30px;font-size:14px}
.setupwin{background:linear-gradient(135deg,#3b1f6e,#1d3f8f);align-items:center;justify-content:center;padding:12px}
.setupbox{background:#fff;color:#1b1b1b;width:min(720px,100%);min-height:420px;max-height:100%;display:flex;flex-direction:column;box-shadow:0 10px 40px rgba(0,0,0,.4);font-family:var(--font-win)}
.setupbox .st{padding:8px 12px;font-size:12px;border-bottom:1px solid #ddd;display:flex;align-items:center;gap:8px}
.setupbox .sb{padding:22px 34px;flex:1;overflow:auto;display:flex;flex-direction:column;gap:12px;font-size:13px}
.setupbox .sb h2{font-size:18px;font-weight:400;margin:0;color:#1b1b1b}
.setupbox .sf{padding:12px 20px;display:flex;justify-content:flex-end;gap:8px;border-top:1px solid #eee}
.setupbox .wb{background:#fdfdfd;color:#1b1b1b;border-color:#bbb}
.setupbox .wb.acc{background:#0067c0;color:#fff;border-color:#0067c0}
.setupbox table.grid th{background:#f3f3f3;color:#555}
.setupbox table.grid tr.sel td{background:#cce4f7}
.setupbox input,.setupbox select{background:#fff;color:#1b1b1b;border-color:#bbb}
.oobe{background:linear-gradient(135deg,#e9eef7,#cfdcf0);color:#1b1b1b;align-items:center;justify-content:center;padding:12px}
.oobe-card{background:#fff;border-radius:10px;width:min(860px,100%);min-height:440px;display:flex;box-shadow:0 10px 40px rgba(0,0,0,.18);overflow:hidden;flex-wrap:wrap}
.oobe-art{flex:1 1 280px;background:linear-gradient(160deg,#dbe8fb,#9ec2f3);display:grid;place-items:center;font-size:22px;color:#0b3b82;padding:30px;text-align:center}
.oobe-main{flex:1 1 320px;padding:34px;display:flex;flex-direction:column;gap:12px}
.oobe-main h2{font-size:24px;font-weight:600;margin:0}
.oobe-main .wb{background:#fdfdfd;color:#1b1b1b;border-color:#bbb}.oobe-main .wb.acc{background:#0067c0;color:#fff;border-color:#0067c0}
.oobe-main input,.oobe-main select{background:#fff;color:#1b1b1b;border-color:#bbb}
.bsod{background:#0078d7;color:#fff;padding:8% 10%;font-size:16px;gap:18px;overflow:auto}
.bsod .face{font-size:90px;line-height:1}
.lock{background:radial-gradient(120% 90% at 70% 110%,#1d5fd1 0%,#3d8af0 22%,rgba(0,0,0,0) 48%),linear-gradient(160deg,#355f97,#1b2f55);color:#fff;align-items:center;justify-content:center;gap:16px}
.lock .avatar{width:120px;height:120px;border-radius:50%;background:rgba(255,255,255,.25);display:grid;place-items:center;font-size:48px}
.lock .users{position:absolute;left:20px;bottom:20px;display:flex;flex-direction:column;gap:4px}
.lock .users button{background:transparent;border:none;color:#fff;display:flex;align-items:center;gap:10px;padding:6px 12px;border-radius:4px;font-size:14px}
.lock .users button:hover,.lock .users button.on{background:rgba(255,255,255,.18)}
.fkeys{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:20px}
.fkeys button{background:#222;color:#eee;border:1px solid #555;padding:6px 12px;font-family:inherit;font-size:13px;border-radius:3px}
.fkeys button:hover{background:#333}

@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms!important;transition:none!important}}