:root {
  --bg: #efe6d6;
  --surface: #faf5ec;
  --line: #d9cdb8;
  --text: #1f1b2e;
  --muted: #6e6676;
  --accent: #1c1660;
  --accent-ink: #faf5ec;
  --gold: #bc8530;
  --radius: 8px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15131c;
    --surface: #1e1b27;
    --line: #34303f;
    --text: #ece6da;
    --muted: #9c95a6;
    --accent: #d9a54b;
    --accent-ink: #15131c;
    --gold: #d9a54b;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg); color: var(--text);
  font: 14px/1.4 ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  display: flex; flex-direction: column;
}
button, input { font: inherit; color: inherit; }
button {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 7px 11px; cursor: pointer; min-height: 36px; white-space: nowrap;
}
button:hover { border-color: var(--muted); }
button:focus-visible, input:focus-visible { outline: 2px solid var(--gold); outline-offset: 1px; }
button.on, button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
button:disabled { opacity: .45; cursor: default; }

.bar {
  display: flex; align-items: center; gap: 12px; padding: 10px 16px;
  border-bottom: 1px solid var(--line); background: var(--surface);
  padding-top: max(10px, env(safe-area-inset-top));
}
.brand { font-weight: 650; letter-spacing: .02em; display: flex; align-items: center; gap: 8px; }
.mark { width: 18px; height: 18px; background:
  linear-gradient(var(--accent) 0 0) 0 0 / 100% 4px no-repeat,
  linear-gradient(var(--accent) 0 0) 0 0 / 4px 100% no-repeat,
  linear-gradient(var(--gold) 0 0) 7px 7px / 11px 4px no-repeat,
  linear-gradient(var(--gold) 0 0) 14px 7px / 4px 11px no-repeat; }
.tools { display: flex; gap: 6px; align-items: center; overflow-x: auto; flex: 1; scrollbar-width: none; }
.tools .sep { width: 1px; height: 22px; background: var(--line); margin: 0 4px; flex: none; }
.files { display: flex; gap: 6px; }

main { flex: 1; display: grid; grid-template-columns: 1fr 340px; min-height: 0; }
.stage { position: relative; display: grid; place-items: center; padding: 24px; min-height: 0; overflow: hidden; touch-action: none; }
#canvas { max-width: 100%; max-height: 100%; width: 100%; height: 100%; display: block; }
#canvas .cellhit { fill: transparent; }
.status { position: absolute; left: 16px; bottom: 12px; color: var(--muted); font: 12px ui-monospace, monospace; pointer-events: none; }

.panel { border-left: 1px solid var(--line); background: var(--surface); overflow-y: auto; padding-bottom: env(safe-area-inset-bottom); }
.panel section { padding: 14px 16px; border-bottom: 1px solid var(--line); }
.panel h2 { font-size: 11px; font-weight: 650; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin: 0 0 10px; }
.panel h3 { font-size: 12px; font-weight: 600; color: var(--muted); margin: 12px 0 6px; }
.row { display: flex; gap: 6px; align-items: center; margin: 6px 0; flex-wrap: wrap; }
.row .wide { flex: 1; }
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); }
.grid4 button { padding: 7px 4px; }
.arrows button { flex: 1; }
.seg { gap: 0; flex-wrap: nowrap; }
.seg button { flex: 1; border-radius: 0; }
.seg button:first-child { border-radius: var(--radius) 0 0 var(--radius); }
.seg button:last-child { border-radius: 0 var(--radius) var(--radius) 0; }
.seg button + button { border-left: none; }
#word, #word2 {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--bg); font-size: 18px; letter-spacing: .12em; text-transform: uppercase;
}
.hint { color: var(--muted); font-size: 12px; margin: 8px 0 0; }
.slider { display: grid; grid-template-columns: 64px 1fr 40px; align-items: center; gap: 8px; margin: 8px 0; }
.slider output { font: 12px ui-monospace, monospace; color: var(--muted); text-align: right; }
.slider input { accent-color: var(--accent); width: 100%; }
.check { display: flex; gap: 8px; align-items: center; margin-top: 8px; color: var(--muted); }
.check input { accent-color: var(--accent); }
.num { display: flex; gap: 4px; align-items: center; color: var(--muted); }
.num input { width: 64px; padding: 7px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); }
.colour { display: flex; gap: 8px; align-items: center; color: var(--muted); }
input[type=color] { width: 36px; height: 28px; padding: 0; border: 1px solid var(--line); border-radius: 6px; background: none; cursor: pointer; }

.swatches { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; }
.scheme { display: flex; padding: 6px; gap: 0; border-radius: var(--radius); }
.scheme span { flex: 1; height: 18px; }
.scheme span:first-child { flex: 1.4; }
.scheme.on { outline: 2px solid var(--gold); outline-offset: 1px; background: var(--surface); color: inherit; }

.shapes { list-style: none; margin: 0; padding: 0; max-height: 200px; overflow-y: auto; }
.shapes li { display: flex; align-items: center; gap: 8px; padding: 4px 6px; border-radius: 6px; cursor: pointer; }
.shapes li.on { background: var(--bg); outline: 1px solid var(--line); }
.shapes li .name { flex: 1; font: 12px ui-monospace, monospace; }
.shapes li .count { color: var(--muted); font-size: 11px; }
.shapes li button { min-height: 26px; padding: 2px 8px; font-size: 12px; }

.credit { padding: 14px 16px 24px; color: var(--muted); font-size: 12px; }

@media (max-width: 760px) {
  body { height: auto; min-height: 100%; }
  .bar { flex-wrap: wrap; gap: 8px; padding: 8px 12px; }
  .brand { flex: 1; }
  .tools { order: 3; flex-basis: 100%; }
  main { grid-template-columns: 1fr; }
  .stage { height: min(100vw, 62vh); padding: 12px 12px 28px; position: sticky; top: 0; z-index: 1; background: var(--bg); border-bottom: 1px solid var(--line); }
  .panel { border-left: none; overflow: visible; }
  button { min-height: 40px; }
}

.templates { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.tpl { display: flex; flex-direction: column; align-items: stretch; gap: 6px; padding: 6px; min-height: 0; white-space: normal; text-align: left; }
.tpl svg { width: 100%; height: auto; aspect-ratio: 4 / 3; display: block; border-radius: 4px; background: var(--bg); }
.tpl span { font-size: 12px; line-height: 1.2; }
.tpl.on { outline: 2px solid var(--gold); outline-offset: 1px; background: var(--surface); color: inherit; border-color: var(--line); }
.field { display: grid; grid-template-columns: 76px 1fr; align-items: center; gap: 8px; margin: 8px 0; color: var(--muted); }
select { font: inherit; color: inherit; background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 7px 8px; min-height: 36px; }
.inks { gap: 4px; }
.inks .ink { position: relative; }
.inks button { min-height: 28px; padding: 2px 8px; }

#word2 { font-size: 14px; letter-spacing: .06em; }
[hidden] { display: none !important; }
#ansiCanvas { max-width: 100%; max-height: 100%; image-rendering: pixelated; display: block; }
#isoView { width: 100%; height: 100%; display: grid; place-items: center; }
#isoView svg { width: 100%; height: 100%; }
#isoView { position: relative; }
#orbitView { position: absolute; inset: 0; width: 100%; height: 100%; display: block; cursor: grab; }
#orbitView:focus { outline: none; }
#orbitView:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
#orbitView:active { cursor: grabbing; }
#isoSvg { width: 100%; height: 100%; display: grid; place-items: center; }
#isoSvg p { color: var(--muted); }
.importer { margin: 6px 0; } .importer summary { cursor: pointer; color: var(--muted); padding: 4px 0; }
#sysFont { flex: 1; padding: 7px 8px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg); min-width: 0; }