:root {
  --bg: #0b0f14;
  --panel: #0f1620;
  --ink: #e8eef7;
  --muted: #9bb0c7;
  --grid: #223042;
  --accent: #5ad1ff;
  --accent2: #ff6ad5;
  --warn: #ffd166;
  --ok: #7CFF9B;
  --tdr: #eb5e34;
}
html, body { height: 100%; background: var(--bg); color: var(--ink); margin: 0; font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 18px 14px 28px; }
h1 { font-size: 20px; margin: 0 0 10px; font-weight: 650; letter-spacing: 0.2px; }
.row { display: grid; grid-template-columns: 1fr; gap: 12px; }
.panel { background: var(--panel); border: 1px solid #1b2736; border-radius: 14px; padding: 12px; box-shadow: 0 10px 30px rgba(0,0,0,0.25); }
.controls { display: grid; grid-template-columns: 1fr; gap: 10px; align-items: end; }
button {
  background: #162234; border: 1px solid #24364e; color: var(--ink);
  padding: 8px 10px; border-radius: 10px; cursor: pointer; font-weight: 600;
}
button:hover { border-color: #35557a; }
button:active { transform: translateY(1px); }
.pill {
  display: inline-flex; gap: 8px; align-items: center;
  background: #101a28; border: 1px solid #24364e; border-radius: 999px;
  padding: 6px 10px; color: var(--muted); font-size: 14px;
}
.pill b { color: var(--ink); font-weight: 650; }
.controls .readouts { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.transport { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 8px; }
label { font-size: 14px; color: var(--muted); display: grid; gap: 6px; }
label > span.lbl { white-space: nowrap; }
input[type="number"], input[type="range"], select {
  width: 100%;
  background: #0c1420; color: var(--ink);
  border: 1px solid #24364e; border-radius: 10px;
  padding: 8px 10px; box-sizing: border-box;
  font-variant-numeric: tabular-nums;
}
input[type="range"] { padding: 0; height: 36px; }
.cfg { display: grid; grid-template-columns: repeat(12, 1fr); gap: 10px; margin-top: 10px; }
.cfg > label { grid-column: span 3; }
.cfg > label.wide { grid-column: span 6; }
.cfg-vert { display: grid; gap: 8px; align-content: start; margin-top: 10px; }
.cfg-inputs-row { display: flex; gap: 8px; }
.cfg-inputs-row .cfg-row { flex: 1; }
.cfg-panels-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.cfg-row {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 8px;
  align-items: center;
  font-size: 15px;
  color: var(--muted);
  background: #101a28;
  border: 1px solid #24364e;
  border-radius: 10px;
  padding: 8px 10px;
}
#RLOpen { padding: 3px 8px; font-size: 15px; line-height: 1; border-radius: 7px; }
#RLOpen.active { border-color: var(--accent); color: var(--accent); }
#RL:disabled { opacity: 0.35; }
.cfg-extra {
  display: grid;
  gap: 8px;
  background: #101a28;
  border: 1px solid #24364e;
  border-radius: 10px;
  padding: 8px 10px;
  color: var(--muted);
  font-size: 14px;
}
.eq-panel {
  background: #101a28;
  border: 1px solid #24364e;
  border-radius: 10px;
  padding: 10px;
  margin-top: 10px;
}
.eq-title { font-size: 14px; color: var(--ink); font-weight: 650; margin: 2px 0 6px; }
.eq-lines { color: var(--muted); font-size: 15px; line-height: 1.5; }
.calc-values { color: var(--muted); font-size: 14px; line-height: 1.45; margin-top: 6px; }
.wave-values {
  margin-top: 6px;
  max-height: 170px;
  overflow: auto;
  border-top: 1px solid #24364e;
  padding-top: 6px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}
.note { color: var(--muted); font-size: 14px; line-height: 1.35; margin-top: 10px; }
canvas { width: 100%; height: auto; display: block; border-radius: 12px; }
.legend { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 10px; }
.key { display: inline-flex; gap: 8px; align-items: center; font-size: 14px; color: var(--muted); }
.swatch { width: 12px; height: 12px; border-radius: 3px; background: var(--accent); }
.swatch.ref { background: var(--accent2); }
.swatch.sum { background: var(--ok); }
.divider { height: 1px; background: #1b2736; margin: 10px 0; }
.small { font-size: 14px; color: var(--muted); }
input[type="checkbox"]{ width: 16px; height: 16px; accent-color: var(--accent); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace; font-variant-numeric: tabular-nums; }
.seg-z0-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 2px; }
.seg-z0-list input { width: 72px; flex: 0 0 72px; }