:root {
  color-scheme: dark;
  --bg: #121417;
  --panel: #1a1d21;
  --panel-2: #22262b;
  --line: #2e3339;
  --text: #eceae4;
  --text-2: #b4b2aa;
  --muted: #858379;
  --accent: #3987e5;
  --accent-ink: #ffffff;
  --warn: #d95926;
  --paper: #f4f1e8;
  --series-1: #3987e5;
  --radius: 8px;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--text); overflow: hidden; }
button, select, input { font: inherit; color: inherit; }
kbd { font-family: ui-monospace, monospace; font-size: 0.85em; padding: 0 4px; border: 1px solid var(--line); border-radius: 4px; background: var(--panel-2); }

.topbar {
  height: 48px; display: flex; align-items: center; gap: 16px; padding: 0 16px;
  border-bottom: 1px solid var(--line); background: var(--panel);
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 650; letter-spacing: 0.01em; color: var(--paper); }
.tabs { display: flex; gap: 4px; margin-left: 12px; }
.tab { background: none; border: 1px solid transparent; padding: 6px 14px; border-radius: 6px; color: var(--text-2); cursor: pointer; }
.tab:hover { color: var(--text); background: var(--panel-2); }
.tab.active { color: var(--text); background: var(--panel-2); border-color: var(--line); }
.status { margin-left: auto; color: var(--muted); font-size: 12.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

main { position: absolute; top: 48px; bottom: 0; left: 0; right: 0; }
.view { display: none; position: absolute; inset: 0; }
.view.active { display: flex; }

.panel {
  width: 320px; flex: none; overflow-y: auto; background: var(--panel); border-right: 1px solid var(--line);
  padding: 8px 14px 24px;
}
.group { padding: 12px 0; border-bottom: 1px solid var(--line); display: flex; flex-direction: column; gap: 8px; }
.group:last-child { border-bottom: none; }
.group h3 { margin: 0; font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-2); font-weight: 600; }
.hint { text-transform: none; letter-spacing: 0; font-weight: 400; color: var(--muted); margin-left: 6px; }
.row { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.grow { flex: 1; }
label { display: grid; grid-template-columns: 1fr auto; gap: 4px 8px; align-items: center; color: var(--text-2); font-size: 13px; }
label > input, label > select { grid-column: 1 / -1; }
label output { color: var(--text); font-variant-numeric: tabular-nums; text-align: right; }
label.check { display: flex; flex-direction: row; align-items: center; gap: 6px; cursor: pointer; white-space: nowrap; }
.muted { color: var(--muted); }
.small-text { font-size: 12.5px; line-height: 1.45; }

button {
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 6px; padding: 6px 10px; cursor: pointer;
  transition: background 0.12s, border-color 0.12s;
}
button:hover { border-color: #4a5058; background: #2a2f35; }
button:disabled { opacity: 0.45; cursor: default; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
button.primary:hover { background: #4b95ec; }
button.ghost { background: transparent; }
button.small { padding: 3px 9px; }
button.big { padding: 10px; font-size: 16px; margin-top: 4px; }
select { background: var(--panel-2); border: 1px solid var(--line); border-radius: 6px; padding: 5px 8px; flex: 1; }
input[type="range"] { width: 100%; accent-color: var(--accent); }
.seg { display: flex; gap: 0; }
.seg button { border-radius: 0; flex: 1; padding: 5px 6px; white-space: nowrap; }
.seg button:first-child { border-radius: 6px 0 0 6px; }
.seg button:last-child { border-radius: 0 6px 6px 0; }
.seg button + button { border-left: none; }
.seg button.on { background: #2b3e57; border-color: #3f6aa3; color: #fff; }
.quick button { flex: 1; padding: 4px 4px; font-size: 12.5px; }

.steps { margin: 0; padding: 0 0 0 22px; font-size: 12.5px; color: var(--text-2); display: flex; flex-direction: column; gap: 3px; max-height: 210px; overflow-y: auto; }
.steps li .noise { color: var(--muted); font-variant-numeric: tabular-nums; }
.steps li.warn { color: var(--warn); }
.stats { display: grid; grid-template-columns: auto 1fr; gap: 3px 12px; margin: 0; font-size: 12.5px; }
.stats dt { color: var(--muted); }
.stats dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }

.stage { position: relative; flex: 1; min-width: 0; overflow: hidden; }
.stage canvas { display: block; }
.stage-toolbar { position: absolute; top: 10px; left: 10px; display: flex; gap: 12px; align-items: center; z-index: 2;
  background: rgba(26, 29, 33, 0.85); padding: 6px 10px; border-radius: var(--radius); border: 1px solid var(--line); backdrop-filter: blur(4px); }
.axis-hint { position: absolute; bottom: 10px; left: 10px; font-size: 12px; color: var(--muted); background: rgba(18,20,23,0.7); padding: 4px 8px; border-radius: 6px; }
.toast { position: absolute; top: 60px; left: 50%; transform: translateX(-50%); background: #3b2418; border: 1px solid var(--warn); color: #ffd9c7; padding: 8px 14px; border-radius: var(--radius); font-size: 13px; z-index: 3; max-width: 80%; }

.hud { position: absolute; top: 10px; right: 10px; background: rgba(18,20,23,0.78); border: 1px solid var(--line); border-radius: var(--radius); padding: 8px 12px;
  font-variant-numeric: tabular-nums; font-size: 13px; display: grid; grid-template-columns: auto auto; gap: 2px 14px; min-width: 170px; }
.hud span:nth-child(odd) { color: var(--muted); }
.hud span:nth-child(even) { text-align: right; }
.result { position: absolute; top: 56px; left: 50%; transform: translateX(-50%); background: rgba(18,20,23,0.88); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 18px; display: flex; gap: 22px; text-align: center; }
.result div b { display: block; font-size: 22px; font-variant-numeric: tabular-nums; color: var(--paper); }
.result div span { font-size: 11.5px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.playbar { position: absolute; bottom: 10px; left: 50%; transform: translateX(-50%); width: min(560px, 90%); display: flex; gap: 8px; align-items: center;
  background: rgba(18,20,23,0.8); border: 1px solid var(--line); border-radius: var(--radius); padding: 6px 10px; }
.playbar select { flex: none; width: 76px; }

.bake-status { font-size: 12.5px; color: var(--text-2); line-height: 1.5; }
.progress { height: 6px; background: var(--panel-2); border-radius: 3px; overflow: hidden; }
.progress div { height: 100%; width: 0; background: var(--accent); transition: width 0.1s; }
details summary { cursor: pointer; color: var(--text-2); font-size: 13px; padding: 4px 0; }
details[open] summary { margin-bottom: 6px; }
.chart { margin-top: 6px; position: relative; }
.chart h4 { margin: 0 0 2px; font-size: 12px; font-weight: 600; color: var(--text-2); }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart .grid line { stroke: #2b2f34; stroke-width: 1; }
.chart .axis text { fill: var(--muted); font-size: 10px; }
.chart .zero { stroke: #4a4f56; stroke-width: 1; }
.chart .series { fill: none; stroke: var(--series-1); stroke-width: 2; stroke-linejoin: round; }
.chart .xhair { stroke: var(--text-2); stroke-width: 1; stroke-dasharray: 2 3; }
.chart .dot { fill: var(--series-1); stroke: var(--panel); stroke-width: 2; }
.chart .tip { position: absolute; pointer-events: none; background: #0e1012; border: 1px solid var(--line); border-radius: 6px; padding: 3px 7px; font-size: 11.5px; white-space: nowrap; color: var(--text); font-variant-numeric: tabular-nums; }

.history { margin: 0; padding-left: 22px; font-size: 12.5px; color: var(--text-2); display: flex; flex-direction: column; gap: 3px; }
.history li b { color: var(--text); font-variant-numeric: tabular-nums; }
.history .sw { display: inline-block; width: 9px; height: 9px; border-radius: 2px; margin-right: 6px; vertical-align: 0; }

dialog { background: var(--panel); color: var(--text); border: 1px solid var(--line); border-radius: 12px; max-width: 640px; padding: 20px 24px; line-height: 1.55; }
dialog::backdrop { background: rgba(0,0,0,0.6); }
dialog h2 { margin-top: 0; }
dialog p { color: var(--text-2); }
dialog p b { color: var(--text); }

@media (max-width: 760px) {
  .view.active { flex-direction: column-reverse; }
  .panel { width: 100%; height: 45%; border-right: none; border-top: 1px solid var(--line); padding: 4px 16px 24px; }
  .stage { height: 55%; flex: none; }
  .topbar { gap: 8px; padding: 0 12px; }
  .brand span, .status { display: none; }
  .tabs { margin-left: 0; }
  .result { gap: 12px; padding: 8px 10px; top: 52px; }
  .result div b { font-size: 17px; }
  .hud { font-size: 11.5px; min-width: 0; top: auto; bottom: 62px; right: 8px; padding: 6px 10px; }
  .stage-toolbar { right: 8px; left: 8px; top: 8px; flex-wrap: wrap; gap: 6px 10px; padding: 5px 8px; }
  .axis-hint { display: none; }
}