:root {
  --bg: #17120e;
  --panel: #211a14;
  --panel-2: #2a2119;
  --rule: #3d3024;
  --text: #eadfc8;
  --muted: #a8977c;
  --accent: #c9a46a;
  --accent-ink: #1b140e;
  --paper: #f3ede0;
  --radius: 6px;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: radial-gradient(ellipse at 50% 0%, #241b14 0%, var(--bg) 60%) fixed;
  color: var(--text);
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 16px;
  min-height: 100vh;
}
.masthead { text-align: center; padding: 14px 16px 6px; }
.masthead h1 {
  font-family: 'IM Fell English SC', 'IM Fell English', Georgia, serif;
  font-weight: 400; font-size: 30px; letter-spacing: 0.06em; margin: 0;
}
.masthead p { margin: 2px 0 0; color: var(--muted); font-style: italic; font-size: 16px; }

.app {
  display: grid;
  grid-template-columns: 236px minmax(0, 1fr) 256px;
  gap: 16px;
  padding: 10px 16px 18px;
  align-items: start;
}
.panel {
  background: var(--panel);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 12px;
  position: sticky; top: 10px;
}
.panel h2 {
  font-family: 'IM Fell English SC', Georgia, serif;
  font-weight: 400; font-size: 15px; letter-spacing: 0.08em;
  color: var(--accent); margin: 14px 0 8px; border-bottom: 1px solid var(--rule); padding-bottom: 4px;
}
.panel h2:first-child { margin-top: 0; }

button {
  font: inherit; color: var(--text); background: var(--panel-2);
  border: 1px solid var(--rule); border-radius: 4px; padding: 6px 8px; cursor: pointer;
  transition: background .15s, border-color .15s;
}
button:hover { border-color: var(--accent); }
button.on { background: #3a2c1e; border-color: var(--accent); color: #fff6e4; }
button.primary {
  width: 100%; background: var(--accent); color: var(--accent-ink); border-color: var(--accent);
  font-family: 'IM Fell English SC', Georgia, serif; font-size: 18px; letter-spacing: 0.05em; padding: 9px;
}
button.primary:hover { background: #dbb87c; }
button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

.toolgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.tool { display: flex; align-items: center; gap: 6px; text-align: left; padding: 5px 6px; font-size: 15px; }
.tool svg { width: 20px; height: 20px; flex: none; stroke: currentColor; fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.tool kbd { margin-left: auto; font-family: inherit; font-size: 12px; color: var(--muted); }

.seg { display: flex; }
.seg button { flex: 1; border-radius: 0; margin-left: -1px; font-size: 15px; }
.seg button:first-child { border-radius: 4px 0 0 4px; margin-left: 0; }
.seg button:last-child { border-radius: 0 4px 4px 0; }

.legend { list-style: none; padding: 0; margin: 0; font-size: 14.5px; line-height: 1.35; color: var(--muted); }
.legend li { display: flex; gap: 8px; margin-bottom: 3px; }
.legend b { color: var(--text); width: 14px; text-align: center; flex: none; }

.stage { display: flex; flex-direction: column; align-items: center; gap: 8px; min-width: 0; }
.viewbar { display: flex; align-items: center; gap: 14px; width: 100%; max-width: 760px; }
.viewbar .seg { width: 260px; flex: none; }
.status { color: var(--muted); font-style: italic; font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.frame {
  position: relative;
  height: calc(100vh - 150px);
  min-height: 520px;
  aspect-ratio: 800 / 1060;
  max-width: 100%;
  box-shadow: 0 12px 40px rgba(0,0,0,.55), 0 0 0 1px #000;
  background: var(--paper);
}
.frame canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
#sketch { touch-action: none; cursor: crosshair; }
.frame[data-view="sketch"] #etch { visibility: hidden; }
.progress { position: absolute; left: 0; right: 0; bottom: 0; height: 3px; pointer-events: none; }
.progress span { display: block; height: 100%; width: 0; background: var(--accent); transition: opacity .4s; }

.controls .row2, .controls .row3 { display: grid; gap: 6px; margin-top: 6px; }
.controls .row2 { grid-template-columns: 1fr 1fr; }
.controls .toggles { margin: 2px 0 12px; }
.controls .row3 { grid-template-columns: 1fr 1fr 1fr; }
.slider { margin-bottom: 9px; }
.slider label { display: flex; justify-content: space-between; font-size: 15px; }
.slider label span { color: var(--muted); font-variant-numeric: tabular-nums; }
.slider input { width: 100%; accent-color: var(--accent); }
.check { display: flex; gap: 6px; align-items: center; font-size: 15px; margin-top: 6px; }
.check input { accent-color: var(--accent); }
.note { color: var(--muted); font-size: 14px; font-style: italic; line-height: 1.35; margin: 12px 0 0; }

/* The corner button that shows or hides the full interface */
.corner {
  position: fixed; top: 12px; right: 12px; z-index: 10;
  width: 36px; height: 36px; padding: 0; display: grid; place-items: center;
}
.corner svg { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; }
.quickbar, .qstatus { display: none; }

/* Minimal mode (the default): a white page, the plate, and three buttons */
body.minimal { background: #fff; color: #222; }
body.minimal .masthead, body.minimal .panel, body.minimal .viewbar { display: none; }
body.minimal .app { display: block; padding: 20px 16px 12px; }
body.minimal .frame { height: calc(100vh - 118px); background: #fff; box-shadow: 0 0 0 1px #e4e4e4; }
body.minimal button { background: #fff; color: #222; border-color: #cfcfcf; }
body.minimal button:hover { border-color: #222; }
body.minimal button.on { background: #222; color: #fff; border-color: #222; }
body.minimal button.primary { background: #222; color: #fff; border-color: #222; }
body.minimal button.primary:hover { background: #444; }
body.minimal button:focus-visible { outline-color: #222; }
body.minimal .progress span { background: #222; }
body.minimal .quickbar { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; }
body.minimal .quickbar .seg button { min-width: 78px; white-space: nowrap; color: #555; }
body.minimal .quickbar .seg button.on { background: #222; color: #fff; }
body.minimal .quickbar .seg { margin-right: 6px; }
body.minimal .quickbar button { min-width: 92px; font-size: 16px; }
/* the toggles read as switches, not actions: a dot that fills when on, greyed out when off */
body.minimal .quickbar > button[aria-pressed] { background: #fff; color: #9a9a9a; border-color: #e0e0e0; display: inline-flex; align-items: center; justify-content: center; gap: 7px; }
body.minimal .quickbar > button[aria-pressed]::before { content: ''; width: 8px; height: 8px; border-radius: 50%; border: 1.5px solid currentColor; }
body.minimal .quickbar button[aria-pressed="true"] { color: #222; border-color: #222; }
body.minimal .quickbar button[aria-pressed="true"]::before { background: currentColor; }
body.minimal .quickbar .primary { width: auto; min-width: 120px; padding: 6px 18px; font-size: 17px; }
body.minimal .qstatus { display: block; margin: 0; text-align: center; color: #8a8a8a; font-style: italic; font-size: 14px; min-height: 1.3em; }

/* Full-resolution capture mode (?full=1), used for testing */
body.full .masthead, body.full .panel, body.full .viewbar, body.full .corner, body.full .quickbar, body.full .qstatus { display: none; }
body.full .app { display: block; padding: 0; }
body.full .frame { height: auto; width: 800px; min-height: 0; box-shadow: none; }

@media (max-width: 1100px) {
  body.minimal .frame { height: auto; width: 100%; max-height: calc(100vh - 118px); }
  .app { grid-template-columns: 1fr; }
  .panel { position: static; }
  .stage { order: -1; }
  .frame { height: auto; width: 100%; min-height: 0; }
  .viewbar { flex-wrap: wrap; }
  .viewbar .seg { width: 100%; }
  .tools .toolgrid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
}
@media (max-width: 700px) {
  body.minimal .app { padding-top: 58px; }
}