/* STELLAR site — shared design system.
   Retro-technical: phosphor accents, monospace hex, clean prose. Theme-aware.
   Type is shared with the home page (css/home.css): Instrument Serif for display,
   IBM Plex Sans / Plex Mono for everything else. */
@import url("https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:wght@400;500;600&display=swap");

:root{
  --bg:        #f4f1ea;
  --bg-panel:  #fffdf7;
  --bg-sunk:   #ece7db;
  --ink:       #23201a;
  --ink-soft:  #5c564a;
  --line:      #d8d1c0;
  --accent:    #b9531b;   /* burnt amber */
  --accent-2:  #1f6f6a;   /* teal */
  --link:      #1f6f6a;
  --hi:        #ffd97a;   /* changed-cell / highlight */
  --hi-edge:   #e0a92a;
  --code-bg:   #1d1b17;
  --code-ink:  #f3e9d2;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --wrap: 1120px;
  --serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
}
:root:not([data-theme="light"]){
  @media (prefers-color-scheme: dark){
    --bg:#07080b; --bg-panel:#0d0f14; --bg-sunk:#11141b; --ink:#e9e4d8; --ink-soft:#9097a6;
    --line:#1c212c; --accent:#ffb000; --accent-2:#4fd6c9; --link:#5fd6c9;
    --hi:#5a4a18; --hi-edge:#ffb000; --code-bg:#0a0906; --code-ink:#ffd07a;
  }
}
:root[data-theme="dark"]{
  --bg:#07080b; --bg-panel:#0d0f14; --bg-sunk:#11141b; --ink:#e9e4d8; --ink-soft:#9097a6;
  --line:#1c212c; --accent:#ffb000; --accent-2:#4fd6c9; --link:#5fd6c9;
  --hi:#5a4a18; --hi-edge:#ffb000; --code-bg:#0a0906; --code-ink:#ffd07a;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:var(--sans); line-height:1.6; font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--link); text-decoration:none}
a:hover{text-decoration:underline}
code,kbd,.mono{font-family:var(--mono)}

/* ---- top nav ---- */
.nav{position:sticky; top:0; z-index:40; background:var(--bg-panel);
  border-bottom:1px solid var(--line); backdrop-filter:saturate(1.2) blur(4px)}
.nav-inner{max-width:var(--wrap); margin:0 auto; display:flex; align-items:center;
  gap:6px; padding:10px 18px; flex-wrap:wrap}
.brand{font-family:var(--mono); font-weight:700; letter-spacing:.12em; color:var(--accent);
  margin-right:14px; font-size:15px}
.brand .dot{color:var(--accent-2)}
.nav a.tab{padding:6px 11px; border-radius:7px; color:var(--ink-soft); font-size:14px;
  font-weight:500}
.nav a.tab:hover{background:var(--bg-sunk); text-decoration:none; color:var(--ink)}
.nav a.tab.active{color:var(--ink); background:var(--bg-sunk);
  box-shadow:inset 0 -2px 0 var(--accent)}
.nav .spacer{flex:1}
.theme-btn{border:1px solid var(--line); background:var(--bg-sunk); color:var(--ink-soft);
  border-radius:7px; padding:5px 10px; cursor:pointer; font-size:13px; font-family:var(--mono)}
.theme-btn:hover{color:var(--ink)}

/* ---- layout ---- */
.wrap{max-width:var(--wrap); margin:0 auto; padding:32px 18px 80px}
.hero{padding:56px 18px 30px; text-align:center; border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,var(--bg-panel),transparent)}
.hero h1{font-family:var(--serif); font-weight:400; font-size:clamp(36px,5.4vw,58px); margin:.1em 0 .1em; letter-spacing:-.01em}
.hero .tag{font-family:var(--mono); color:var(--accent); letter-spacing:.18em;
  font-size:13px; text-transform:uppercase}
.hero p.lede{max-width:660px; margin:14px auto 0; color:var(--ink-soft); font-size:18px}

h1,h2{font-family:var(--serif); font-weight:400}
h1{font-size:clamp(36px,4.6vw,52px); letter-spacing:-.01em}
h2{font-size:32px; margin:44px 0 10px; letter-spacing:-.005em}
h2 .hx{font-family:var(--mono); color:var(--accent); font-size:.7em; margin-right:.4em}
h3{font-size:19px; margin:26px 0 8px}
p{margin:10px 0}
hr{border:none; border-top:1px solid var(--line); margin:36px 0}
.muted{color:var(--ink-soft)}
.small{font-size:13.5px}

/* ---- cards / grid ---- */
.grid{display:grid; gap:16px; grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.card{display:block; background:var(--bg-panel); border:1px solid var(--line);
  border-radius:12px; padding:18px 18px; color:inherit; transition:border-color .15s, transform .15s}
a.card:hover{border-color:var(--accent); text-decoration:none; transform:translateY(-2px)}
.card h3{margin:.1em 0 .3em}
.card .k{font-family:var(--mono); color:var(--accent-2); font-size:12px; letter-spacing:.1em;
  text-transform:uppercase}
.card p{color:var(--ink-soft); font-size:14.5px; margin:.35em 0 0}

/* ---- code / callouts ---- */
pre,.codeblock{background:var(--code-bg); color:var(--code-ink); border-radius:10px;
  padding:14px 16px; overflow-x:auto; font-family:var(--mono); font-size:13.5px; line-height:1.55}
:not(pre)>code{background:var(--bg-sunk); padding:.1em .38em; border-radius:5px; font-size:.9em}
.note{border-left:3px solid var(--accent); background:var(--bg-panel);
  padding:12px 16px; border-radius:0 8px 8px 0; margin:16px 0}
.note .lbl{font-family:var(--mono); font-size:12px; text-transform:uppercase;
  letter-spacing:.12em; color:var(--accent)}

/* ---- tables ---- */
.tblwrap{overflow-x:auto; border:1px solid var(--line); border-radius:10px; margin:16px 0}
table{border-collapse:collapse; width:100%; font-size:14px}
/* Core-map table: a wide Offset column reads better against the hex, and Notes
   does not need the lion's share of the row. Offset is sized in `ch` and set
   nowrap, so it scales with the font and can never break "+$00-$1F" across two
   lines the way a percentage width does when the text is zoomed. */
.coremap th:nth-child(1),.coremap td:nth-child(1){width:22ch; white-space:nowrap}
.coremap th:nth-child(3),.coremap td:nth-child(3){width:66%}
th,td{text-align:left; padding:8px 12px; border-bottom:1px solid var(--line); vertical-align:top}
thead th{background:var(--bg-sunk); font-family:var(--mono); font-size:12px;
  letter-spacing:.06em; text-transform:uppercase; color:var(--ink-soft); position:sticky; top:0}
tbody tr:hover{background:var(--bg-sunk)}
td.hex,.hex{font-family:var(--mono); color:var(--accent)}

/* ---- memory map bars ---- */
.memmap{display:flex; flex-direction:column; gap:3px; margin:16px 0}
.memrow{display:grid; grid-template-columns:132px 1fr; gap:10px; align-items:stretch}
.memrow .addr{font-family:var(--mono); color:var(--accent); font-size:12.5px; text-align:right;
  padding-top:9px}
.membar{background:var(--bg-panel); border:1px solid var(--line); border-left:4px solid var(--accent-2);
  border-radius:7px; padding:8px 12px}
.membar b{font-size:14px} .membar span{color:var(--ink-soft); font-size:13px}

/* ---- footer ---- */
.foot{border-top:1px solid var(--line); color:var(--ink-soft); font-size:13px;
  padding:22px 18px; text-align:center}
.foot a{color:var(--ink-soft); text-decoration:underline}

/* ---- opcode reference ---- */
.op-controls{display:flex; gap:10px; flex-wrap:wrap; align-items:center; margin:18px 0}
.op-search{flex:1; min-width:200px; padding:9px 12px; border:1px solid var(--line);
  border-radius:9px; background:var(--bg-panel); color:var(--ink); font-size:15px}
.op-search:focus{outline:2px solid var(--accent-2); outline-offset:1px}
.chip{border:1px solid var(--line); background:var(--bg-panel); color:var(--ink-soft);
  padding:5px 11px; border-radius:20px; font-size:13px; cursor:pointer; font-family:var(--mono)}
.chip:hover{color:var(--ink)}
.chip.on{background:var(--accent); border-color:var(--accent); color:#1a1206; font-weight:600}
.op-group h3{position:sticky; top:52px; background:var(--bg); padding:8px 0 4px;
  border-bottom:1px solid var(--line); z-index:5}
.op-group .rng{font-family:var(--mono); color:var(--ink-soft); font-size:.7em; margin-left:.5em}
.op-row{display:grid; grid-template-columns:56px 150px 120px 1fr; gap:12px; padding:9px 10px;
  border-bottom:1px solid var(--line); align-items:baseline; scroll-margin-top:110px}
.op-row:hover{background:var(--bg-panel)}
.op-row:target{background:var(--hi); outline:1px solid var(--hi-edge); border-radius:6px}
.op-row .oc{font-family:var(--mono); color:var(--accent); font-weight:700}
.op-row .nm{font-family:var(--mono); font-weight:600}
.op-row .ops{font-family:var(--mono); color:var(--accent-2); font-size:13px}
.op-row .ds{color:var(--ink-soft); font-size:14px}
.op-count{font-family:var(--mono); color:var(--ink-soft); font-size:13px}
@media (max-width:680px){
  .op-row{grid-template-columns:48px 1fr; gap:4px 10px}
  .op-row .ops,.op-row .ds{grid-column:1/-1}
}

/* ================= core visualizer ================= */
.coreview{border:1px solid var(--line); border-radius:12px; background:var(--bg-panel); overflow:hidden}
.cv-status{display:flex; flex-direction:column; gap:3px; padding:10px 14px;
  background:var(--code-bg); color:var(--code-ink); font-size:13px}
.cv-s-row{display:flex; flex-wrap:wrap; gap:16px; align-items:center}
.cv-s-counters{opacity:.9}
.cv-s-op{color:var(--accent); font-weight:700; font-size:14px}
.cv-s-pl,.cv-s-cc,.cv-s-steps{color:var(--code-ink); opacity:.85}
.cv-s-steps b{color:var(--accent); font-weight:700; opacity:1}
.cv-grid{display:grid; gap:1px; background:var(--line);
  grid-template-columns:1fr; padding:1px}
@media(min-width:720px){ .cv-grid{grid-template-columns:1.4fr 1fr} .cv-regs{grid-row:span 2} }
.cv-sec{background:var(--bg-panel); padding:12px 14px}
.cv-sec h4{margin:0 0 8px; font-family:var(--mono); font-size:12px; letter-spacing:.1em;
  text-transform:uppercase; color:var(--ink-soft)}
.cv-reggrid{display:grid; grid-template-columns:repeat(4,1fr); gap:6px}
.cv-acclist{display:grid; grid-template-columns:repeat(2,1fr); gap:6px}
.cv-cell{display:flex; flex-direction:column; gap:1px; padding:6px 8px; border:1px solid var(--line);
  border-radius:7px; background:var(--bg); transition:background .35s, border-color .35s}
.cv-lab{font-family:var(--mono); font-size:10.5px; letter-spacing:.05em; color:var(--ink-soft);
  text-transform:uppercase}
.cv-val{font-size:14px; color:var(--ink); font-weight:600}
.cv-cell.chg{background:var(--hi); border-color:var(--hi-edge)}
.cv-cell.chg .cv-val{color:var(--ink)}
.cv-s-spacer{flex:1}
.cv-toggle{border:1px solid rgba(255,255,255,.2); background:transparent; color:var(--code-ink);
  border-radius:6px; padding:3px 9px; font-size:12px; font-family:var(--mono); cursor:pointer}
.cv-toggle:hover{border-color:var(--accent); color:var(--accent)}

/* full (detailed) core block — hidden until toggled */
.cv-full{display:none; border-top:1px solid var(--line); background:var(--bg-panel); padding:12px 14px}
.coreview.cv-showfull .cv-full{display:block}
.cv-full>h4{margin:0 0 10px; font-family:var(--mono); font-size:12px; letter-spacing:.1em;
  text-transform:uppercase; color:var(--ink-soft)}
.cv-fulltbl{display:grid; grid-template-columns:repeat(auto-fill,minmax(250px,1fr)); gap:2px 18px}
.cv-fgroup{grid-column:1/-1; font-family:var(--mono); font-size:11px; letter-spacing:.1em;
  text-transform:uppercase; color:var(--accent); margin:10px 0 2px; padding-bottom:2px;
  border-bottom:1px solid var(--line)}
.cv-frow{display:grid; grid-template-columns:52px 1fr auto; gap:8px; align-items:baseline;
  padding:3px 6px; border-radius:5px; transition:background .35s}
.cv-frow.chg{background:var(--hi)}
.cv-foff{color:var(--ink-soft); font-size:11.5px}
.cv-flab{font-size:13px; color:var(--ink)}
.cv-fval{font-size:13px; font-weight:600; color:var(--accent-2); text-align:right; white-space:nowrap}
.cv-frow.chg .cv-fval{color:var(--ink)}

/* ================= disassembly side panel ================= */
.dis-panel{font-family:var(--mono); font-size:12.5px; background:var(--code-bg); color:var(--code-ink);
  border-radius:10px; overflow:auto; height:100%; padding:6px 0}
.dis-row{display:grid; grid-template-columns:44px 108px 76px 1fr; gap:8px; padding:2px 12px;
  white-space:nowrap; scroll-margin-top:40px; border-left:3px solid transparent}
.dis-addr{color:#8a8266} .dis-bytes{color:#c9b98c; opacity:.8}
.dis-name{color:var(--accent); font-weight:700} .dis-ops{color:#7fc9c0}
.dis-row.dis-cur{background:rgba(255,176,0,.16); border-left-color:var(--accent)}
.dis-row.dis-end{opacity:.6}
:root[data-theme="light"] .dis-addr,:root:not([data-theme="dark"]) .dis-addr{color:#a99}

/* ================= simulator layout ================= */
.sim-controls{display:flex; flex-wrap:wrap; gap:8px; align-items:center; margin:14px 0}
.sim-controls button{border:1px solid var(--line); background:var(--bg-panel); color:var(--ink);
  border-radius:8px; padding:7px 14px; cursor:pointer; font-size:14px; font-weight:600}
.sim-controls button:hover:not(:disabled){border-color:var(--accent); color:var(--accent)}
.sim-controls button:disabled{opacity:.4; cursor:not-allowed}
.sim-controls button.primary{background:var(--accent); border-color:var(--accent); color:#1a1206}
.sim-controls select,.sim-controls input[type=text]{border:1px solid var(--line); background:var(--bg-panel);
  color:var(--ink); border-radius:8px; padding:7px 10px; font-size:14px}
.sim-controls .grow{flex:1}
.sim-blurb{color:var(--ink-soft); font-size:13.5px; margin:2px 0 6px; min-height:1.2em}

.sim-body{display:grid; gap:14px; grid-template-columns:1fr; align-items:start}
.sim-body.side-open{grid-template-columns:1fr 380px}
@media(max-width:900px){ .sim-body.side-open{grid-template-columns:1fr} }
.sim-main{display:flex; flex-direction:column; gap:14px; min-width:0}
.sim-side{min-width:0}
.sim-side .dis-panel{height:520px}
.sim-side h4,.term-wrap h4,.fp-wrap h4{margin:0 0 6px; font-family:var(--mono); font-size:12px;
  letter-spacing:.1em; text-transform:uppercase; color:var(--ink-soft)}
/* The terminal is a VT100 (js/vt100.js), so it holds an 80-column screen and must
   NOT wrap or break words - a wrapped line would push the rest of the screen down
   and the picture full-screen programs draw would come apart. */
.term{background:var(--code-bg); color:var(--code-ink); border-radius:10px; padding:12px 14px;
  font-family:var(--mono); font-size:13px; white-space:pre; word-break:normal;
  overflow:auto;
  /* The terminal is a VT100 screen, so it is 24 rows tall and 80 columns wide on
     EVERY page - not only inside .io-row, which is what the old rule keyed on and
     why the VM Core page got a 6-line box. 1.35em tracks the font size, which
     vt100.fit() shrinks when the column is too narrow for 80 columns; the 24px is
     the 12px top and bottom padding, since box-sizing is border-box. */
  height:calc(24 * 1.35em + 24px);
  /* width, not max-width: the terminal is a block in a flex/grid parent on some
     pages, and a bare max-width let it collapse to zero content width. */
  width:min(100%, calc(80ch + 28px))}
/* reverse video: ESC[7m. STELLAR's full-screen programs paint solid blocks with it
   (a space in reverse video), which is how the ball and the invaders are drawn. */
.term .rev{background:var(--code-ink); color:var(--code-bg)}
/* 24-line terminal: height is derived from the line box so it stays exactly 24
   rows if the font size changes */
.term{line-height:1.35}

/* the terminal takes live keystrokes when focused */
.term[tabindex]{cursor:text; outline:none; box-shadow:inset 0 0 0 1px transparent; transition:box-shadow .15s}
.term[tabindex]:focus{box-shadow:inset 0 0 0 1px var(--accent), 0 0 0 3px rgba(198,93,42,.18)}

/* ---- serial terminal + Elf2K front panel, side by side ----
   The panel takes a fixed column just wide enough for the lamp, the two
   digits and (later) a 4-column hex keypad; the terminal keeps the rest, so
   it stays wider than half on a roomy screen. Stacks on narrow viewports. */
.io-row{display:grid; grid-template-columns:1fr 208px; gap:14px; align-items:start}
@media(max-width:700px){ .io-row{grid-template-columns:1fr} }
.term-wrap{min-width:0}
.fp-wrap{min-width:0}
.fp{background:var(--code-bg); border-radius:10px; padding:14px 12px 12px;
  display:flex; flex-direction:column; align-items:center; gap:12px;
  min-height:120px; box-shadow:inset 0 1px 0 rgba(255,255,255,.06)}
.fp-qwrap{display:flex; align-items:center; gap:8px; align-self:flex-start}
.fp-q{width:14px; height:14px; border-radius:50%; background:#3a1414;
  border:1px solid rgba(255,255,255,.18); box-shadow:inset 0 1px 2px rgba(0,0,0,.6);
  transition:background .12s, box-shadow .12s}
.fp-q.on{background:#ff4436; box-shadow:0 0 10px 2px rgba(255,68,54,.55), inset 0 0 3px rgba(255,255,255,.5)}
.fp-qlab{font-family:var(--mono); font-size:11px; letter-spacing:.16em; color:var(--code-ink); opacity:.75}
.fp-display{display:flex; gap:10px; padding:10px 14px; border-radius:8px;
  background:#0b0d10; box-shadow:inset 0 2px 6px rgba(0,0,0,.7)}
.fp-digit{width:38px; height:68px; display:block}
/* brightness comes from the fill-opacity attribute the renderer sets, so the
   digits still read correctly if this stylesheet is stale; CSS adds the glow */
.fp-seg{fill:#ff4436; transition:fill-opacity .1s, filter .1s}
.fp-seg.on{filter:drop-shadow(0 0 3px rgba(255,68,54,.65))}
.fp-cap{font-size:11px; color:var(--code-ink); opacity:.7; letter-spacing:.04em}

/* drag-and-drop target for opening a .lst */
.sim-body.dropping{outline:2px dashed var(--accent); outline-offset:6px; border-radius:12px}
.status-line{font-family:var(--mono); font-size:12.5px; color:var(--ink-soft); margin-top:4px}
.speed-row{display:flex; align-items:center; gap:8px; font-size:13px; color:var(--ink-soft)}
/* simulator clock: one button per speed, like the home page's clock row */
.clock-row{display:flex; flex-wrap:wrap; align-items:center; gap:6px; margin:-4px 0 12px}
.clock-lbl{font-family:var(--mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--ink-soft); margin-right:4px}
#clockBtns{display:flex; flex-wrap:wrap; gap:4px}
#clockBtns button{border:1px solid var(--line); background:var(--bg-panel); color:var(--ink);
  font-family:var(--mono); font-size:12px; padding:4px 9px; border-radius:6px; cursor:pointer}
#clockBtns button:hover{border-color:var(--accent); color:var(--accent)}
#clockBtns button[aria-checked="true"]{background:var(--accent); border-color:var(--accent); color:#1a1206; font-weight:600}
.clock-now{font-size:12px; color:var(--ink-soft); margin-left:6px}

/* ================= scheduler / multi-core ================= */
.cidp{border:1px solid var(--line); border-radius:12px; background:var(--bg-panel); overflow:hidden; margin:14px 0}
.cidp-sys{display:flex; flex-wrap:wrap; gap:14px; padding:10px 14px; background:var(--code-bg);
  color:var(--code-ink); font-family:var(--mono); font-size:12.5px}
.cidp-sys b{color:var(--accent); font-weight:700}
.cidp-tblwrap{overflow-x:auto}
.cidp table{width:100%; border-collapse:collapse; font-size:13px}
.cidp th,.cidp td{padding:7px 12px; border-bottom:1px solid var(--line); text-align:left; white-space:nowrap}
.cidp thead th{background:var(--bg-sunk); font-family:var(--mono); font-size:11px; letter-spacing:.06em;
  text-transform:uppercase; color:var(--ink-soft)}
.cidp td.mono,.cidp .mono{font-family:var(--mono)}
.cidp tr.vm-active{background:var(--hi)}
.cidp tr.vm-active td:first-child{box-shadow:inset 3px 0 0 var(--accent)}
.st{display:inline-block; padding:1px 8px; border-radius:20px; font-size:11px; font-family:var(--mono); font-weight:600}
.st.s01{background:#1f6f6a22; color:var(--accent-2); border:1px solid var(--accent-2)}   /* active */
.st.s00{background:var(--bg-sunk); color:var(--ink-soft); border:1px solid var(--line)}   /* done */
.st.s02,.st.s03,.st.s04{background:#ffb00022; color:var(--accent); border:1px solid var(--accent)}
.st.s05,.st.s06{background:#b9531b22; color:var(--accent); border:1px solid var(--accent)}

.cores-grid{display:grid; gap:12px; grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.mini{border:1px solid var(--line); border-radius:11px; background:var(--bg-panel); overflow:hidden;
  transition:border-color .2s, box-shadow .2s}
.mini.active{border-color:var(--accent); box-shadow:0 0 0 2px var(--accent)}
.mini-head{display:flex; align-items:center; gap:8px; padding:8px 12px; background:var(--bg-sunk);
  border-bottom:1px solid var(--line)}
.mini-head .vmname{font-family:var(--mono); font-weight:700}
.mini-head .cpu-badge{margin-left:auto; font-family:var(--mono); font-size:10.5px; padding:2px 8px;
  border-radius:20px; background:var(--accent); color:#1a1206; font-weight:700}
.mini-head .cpu-badge.idle{background:transparent; color:var(--ink-soft); border:1px solid var(--line)}
.mini-body{padding:10px 12px}
.mini-op{font-family:var(--mono); font-size:13px; color:var(--accent); font-weight:700}
.mini-pl{font-family:var(--mono); font-size:12px; color:var(--ink-soft)}
.mini-quantum{margin:8px 0 6px}
.mini-quantum .qlab{font-family:var(--mono); font-size:10.5px; text-transform:uppercase;
  letter-spacing:.08em; color:var(--ink-soft)}
.qbar{height:7px; background:var(--bg-sunk); border-radius:5px; overflow:hidden; margin-top:3px}
.qbar > i{display:block; height:100%; background:var(--accent-2); transition:width .2s}
.mini-regs{display:grid; grid-template-columns:repeat(4,1fr); gap:3px; margin-top:8px}
.mini-regs .rc{font-family:var(--mono); font-size:10.5px; padding:2px 4px; border-radius:4px;
  background:var(--bg); border:1px solid var(--line); transition:background .35s}
.mini-regs .rc.chg{background:var(--hi); border-color:var(--hi-edge)}
.mini-regs .rc .l{color:var(--ink-soft)}
.arrow-note{font-size:12px; color:var(--ink-soft); font-family:var(--mono)}
.mini-expand{margin-left:6px; border:1px solid var(--line); background:var(--bg-panel); color:var(--ink-soft);
  border-radius:6px; padding:1px 7px; cursor:pointer; font-size:12px; line-height:1.4}
.mini-expand:hover{color:var(--accent); border-color:var(--accent)}
.mini.expanded .mini-expand{background:var(--accent); border-color:var(--accent); color:#1a1206}
.vmdetail{margin:14px 0 0; border:1px solid var(--accent); border-radius:12px; overflow:hidden}
.vmdetail-head{display:flex; align-items:center; gap:10px; padding:8px 14px; background:var(--bg-sunk);
  border-bottom:1px solid var(--line)}
.vmdetail-head .vd-title{font-family:var(--mono); font-weight:700; color:var(--accent)}
.vmdetail-head .vd-badge{font-family:var(--mono); font-size:11px; padding:2px 8px; border-radius:20px;
  background:var(--accent); color:#1a1206; font-weight:700}
.vmdetail-head .vd-badge.idle{background:transparent; color:var(--ink-soft); border:1px solid var(--line)}
.vmdetail-head .spacer{flex:1}

/* ================= memory page viewer ================= */
.mv-wrap h4{margin:0 0 6px; font-family:var(--mono); font-size:12px;
  letter-spacing:.1em; text-transform:uppercase; color:var(--ink-soft)}
.mv{background:var(--code-bg); color:var(--code-ink); border-radius:10px; padding:10px 12px}
.mv-bar{display:flex; gap:8px; align-items:center; margin-bottom:8px}
.mv-bar button{font-family:var(--mono); padding:2px 9px; border-radius:6px; cursor:pointer;
  border:1px solid rgba(255,255,255,.2); background:transparent; color:var(--code-ink)}
.mv-bar button:hover{background:rgba(255,255,255,.08)}
.mv-page{font-family:var(--mono); font-size:12.5px; padding:3px 6px; border-radius:6px;
  border:1px solid rgba(255,255,255,.2); background:var(--code-bg); color:var(--code-ink)}
.mv-grid{font-size:12.5px; line-height:1.5; overflow-x:auto}
.mv-row{display:flex; gap:12px; white-space:pre}
.mv-addr{color:var(--accent); opacity:.85}
.mv-hex{display:flex; gap:5px}
.mv-b{width:2ch; text-align:center}
.mv-b.zero{opacity:.32}
.mv-ascii{opacity:.72; letter-spacing:.02em}

/* breakpoints in the disassembly */
.dis-row{cursor:pointer}
.dis-row:hover{background:rgba(255,255,255,.06)}
.dis-row.dis-bp{background:rgba(214,64,48,.20)}
.dis-row.dis-bp .dis-addr{color:#ff5a48; font-weight:700}
.dis-row.dis-bp .dis-addr::before{content:'●'; margin-right:4px; color:#ff5a48}

/* ================= CIDP system registers ================= */
.sysreg{display:grid; gap:1px; background:var(--line); border:1px solid var(--line);
  border-radius:12px; overflow:hidden; grid-template-columns:repeat(auto-fit,minmax(215px,1fr))}
.sr-cell{background:var(--bg-panel); padding:9px 12px; display:grid;
  grid-template-columns:1fr auto; gap:1px 8px; align-items:baseline}
.sr-lab{font-size:12px; letter-spacing:.04em; text-transform:uppercase; color:var(--ink-soft)}
.sr-addr{font-size:11px; color:var(--accent-2); opacity:.9}
.sr-val{font-size:17px; font-weight:700; color:var(--accent)}
.sr-dec{font-size:13px; color:var(--ink); text-align:right}
/* raw byte + address shown beside the decoded badges in the CIDP table */
.cidp-raw{display:block; font-size:11px; color:var(--ink-soft); opacity:.8; margin-top:2px}
.st-busy{background:#8a6d1f}
.st-ready{background:#1f6f3f}
.st-error{background:#8a2f22}
.st-unk{background:#555}


/* ---- Stellar C page (stellarc.html) ---- */
.sc-badge{display:inline-block; margin-left:8px; padding:1px 7px; border-radius:999px;
  border:1px solid var(--accent); color:var(--accent); font-size:10.5px; letter-spacing:.12em}
.sc-grid{display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:14px; margin-top:10px}
@media(max-width:900px){ .sc-grid{grid-template-columns:1fr} }
.sc-pane{min-width:0}
.sc-pane h4{margin:0 0 6px; font-family:var(--mono); font-size:12px; letter-spacing:.1em;
  text-transform:uppercase; color:var(--ink-soft)}
.sc-h4note{text-transform:none; letter-spacing:0; font-weight:400}
.sc-editor{display:flex; background:var(--code-bg); border-radius:10px; height:540px; overflow:hidden;
  border:1px solid transparent}
.sc-editor:focus-within{border-color:var(--accent)}
.sc-gutter{font-family:var(--mono); font-size:13px; line-height:1.5; padding:12px 8px 12px 10px;
  color:var(--code-ink); opacity:.4; text-align:right; white-space:pre; user-select:none;
  overflow:hidden; min-width:3.4em}
.sc-errline{background:#b3261e; color:#fff; border-radius:3px; padding:0 3px; opacity:1}
.sc-src{flex:1; min-width:0; border:0; resize:none; margin:0; background:transparent; color:var(--code-ink);
  font-family:var(--mono); font-size:13px; line-height:1.5; padding:12px 12px 12px 6px; white-space:pre;
  overflow:auto; outline:none; tab-size:4}
.sc-out{height:540px; overflow:auto; margin:0; font-size:12px; line-height:1.5; white-space:pre}
.sc-err{color:#ff8a7a; white-space:pre-wrap}

/* ---- touch screens: keyboard + keys under the terminal (js/term-input.js) ---- */
.term-keys{position:relative; display:flex; flex-wrap:wrap; gap:6px; margin-top:8px}
.term-keys button{min-width:44px; min-height:40px; padding:6px 10px; border:1px solid var(--line);
  background:var(--bg-panel); color:var(--ink); border-radius:8px; font-family:var(--mono);
  font-size:15px; touch-action:manipulation; -webkit-user-select:none; user-select:none}
.term-keys button:active{border-color:var(--accent); color:var(--accent)}
/* the textarea that makes the phone offer its keyboard: present, focusable, invisible.
   16px stops iOS zooming the page when it takes focus. */
.term-kbd{position:absolute; left:0; top:0; width:1px; height:1px; opacity:0; border:0; padding:0;
  margin:0; resize:none; font-size:16px; caret-color:transparent; pointer-events:none}
.term.term-typing{box-shadow:inset 0 0 0 1px var(--accent), 0 0 0 3px rgba(198,93,42,.18)}
/* while the phone keyboard is up the key row floats just above it (js/term-input.js) */
.term-keys.term-keys-float{position:fixed; z-index:60; margin:0; padding:6px 8px; flex-wrap:nowrap;
  background:var(--bg-panel); border-top:1px solid var(--line); box-shadow:0 -4px 14px rgba(0,0,0,.25)}
.term-keys.term-keys-float button{flex:1 1 0; min-width:0; padding:6px 0; font-size:14px; overflow:hidden}