:root {
  --bg: #f7f7f5;
  --panel: #ffffff;
  --ink: #1d1f23;
  --muted: #5f6670;
  --line: #d9dce1;
  --accent: #2463eb;
  --stage: #eef0f3;
  --chart-grid: #e6e8ec;
  --c-live: #2463eb;
  --c-apo: #ec4899;
  --c-nec: #6b7280;
  --c-g1: #2463eb;
  --c-s: #16a34a;
  --c-g2: #d97706;
  --c-m: #dc2626;
  --c-o2: #0891b2;
  --c-drug: #9333ea;
  --radius: 8px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111317;
    --panel: #181b20;
    --ink: #e7e9ec;
    --muted: #9aa3ad;
    --line: #2b3038;
    --accent: #6b9bff;
    --stage: #0c0e11;
    --chart-grid: #262a31;
    --c-live: #6b9bff;
    --c-g1: #6b9bff;
  }
}
:root[data-theme="dark"] {
  --bg: #111317;
  --panel: #181b20;
  --ink: #e7e9ec;
  --muted: #9aa3ad;
  --line: #2b3038;
  --accent: #6b9bff;
  --stage: #0c0e11;
  --chart-grid: #262a31;
  --c-live: #6b9bff;
  --c-g1: #6b9bff;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.45 var(--font);
  display: flex;
  flex-direction: column;
}

.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  flex-wrap: wrap;
}
.brand { font-size: 15px; }
.loaders { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); font-size: 12px; }
.fine { font-size: 12px; margin: 12px 0 0; }

.button, select, button {
  font: inherit;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 6px 10px;
  cursor: pointer;
}
.button:hover, select:hover { border-color: var(--accent); }
button:disabled, select:disabled, input:disabled { opacity: 0.5; cursor: default; }

main {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  min-height: 0;
}

#stage-wrap { position: relative; background: var(--stage); min-height: 320px; }
#stage { position: absolute; inset: 0; }
#stage canvas { display: block; width: 100%; height: 100%; }

.drop {
  position: absolute;
  inset: 24px;
  display: grid;
  place-items: center;
  text-align: center;
  border: 2px dashed var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  padding: 16px;
}
.drop.hover { border-color: var(--accent); color: var(--ink); }

.legend, .inspect {
  position: absolute;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px 10px;
  font-size: 12px;
  max-width: calc(100% - 32px);
}
.legend { left: 16px; bottom: 16px; }
.inspect { right: 16px; top: 16px; min-width: 180px; }
.inspect table { border-collapse: collapse; }
.inspect td { padding: 1px 6px 1px 0; }
.swatch { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 4px; vertical-align: middle; }
.ramp { width: 160px; height: 10px; border-radius: 2px; margin: 4px 0; }

#panel {
  min-width: 0;
  background: var(--panel);
  border-left: 1px solid var(--line);
  padding: 12px 16px 16px;
  overflow-y: auto;
}
.meta { margin-bottom: 10px; overflow-wrap: anywhere; }
.controls { display: grid; gap: 8px; margin-bottom: 8px; }
.row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.row input[type="range"] { flex: 1; min-width: 0; }
.check { display: inline-flex; align-items: center; gap: 4px; }

.chart { margin: 12px 0 0; }
.chart figcaption { font-size: 12px; color: var(--muted); margin-bottom: 2px; }
.chart svg { width: 100%; height: 130px; display: block; }
.chart svg text { fill: var(--muted); font-size: 10px; font-family: var(--font); }
.chart .grid { stroke: var(--chart-grid); stroke-width: 1; }
.chart .series { fill: none; stroke-width: 1.8; }
.chart .cursor { stroke: var(--ink); stroke-width: 1; stroke-dasharray: 3 3; opacity: 0.6; }

@media (max-width: 860px) {
  main { grid-template-columns: minmax(0, 1fr); grid-template-rows: 60vh auto; }
  #panel { border-left: none; border-top: 1px solid var(--line); }
}