:root {
  color-scheme: light;
  --ink: #1f2937;
  --ink-soft: #fff;
  --paper: #1f2937;
  --muted: #64748b;
  --dim: #788391;
  --line: #e5e7eb;
  --line-strong: #cbd5e1;
  --accent: #005da0;
  --accent-hot: #1d4ed8;
  --shell: #f7f7f5;
  --sans: Inter, "Helvetica Neue", Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

html { background: #f1eeeb; }
body {
  color: var(--ink);
  background: #f1eeeb url("./assets/honeycomb.svg?v=3ffaa204") repeat;
}
button { color: var(--ink); }
.skip-link { background: #fff; color: var(--ink); }
.topline {
  background: rgba(255,255,255,.92);
  border-bottom-color: var(--line);
  color: var(--muted);
}
.back-link { color: var(--accent); }
.back-link:hover { color: var(--accent-hot); }
.edition i { color: var(--ink); }
.edition b { color: #94a3b8; }
.live-mark i { background: #16834a; box-shadow: 0 0 0 3px #16834a1c; }
main {
  max-width: 1540px;
  margin: 24px auto 36px;
  padding: 0 clamp(18px, 3.2vw, 46px) 26px;
  border: 1px solid #e5e7eb;
  border-radius: 18px;
  background: rgba(255,255,255,.96);
  box-shadow: 0 16px 45px #1f293714;
}
.intro { padding-top: 30px; }
.eyebrow, .micro-label { color: #64748b; }
.intro h1 {
  color: #1f2937;
  font-size: clamp(2rem, 3.4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -.035em;
  text-transform: none;
  margin-top: 10px;
}
.thesis { color: #475569; }

.instrument-layout { gap: 14px; }
.control-rail, .sound-panel, .analysis-panel, .painting-tools {
  color: #1f2937;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  background: #f8fafc;
  box-shadow: 0 5px 16px #1f29370a;
}
.control-rail { padding: 18px 17px; }
.frequency-control, .mode-group, .note-keyboard, .mic-row { border-color: #e2e8f0; }
.frequency-readout output { color: #1f2937; font-weight: 600; }
.unit, .range-label, .hearing-band, .perception-note { color: #64748b; }
.hearing-line { background: linear-gradient(90deg,#94a3b8,#005da0 80%,#94a3b8); }
.hearing-line i { background: #005da0; }
.micro-value { color: #005da0; }
.number-input, .motif-control select {
  color: #1f2937;
  background: #fff;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
}
.number-input:focus, select:focus { border-color: #1d4ed8; box-shadow: 0 0 0 3px #1d4ed829; }
input[type=range]::-webkit-slider-runnable-track { background: linear-gradient(90deg,#005da0,#cbd5e1); }
input[type=range]::-moz-range-track { background: linear-gradient(90deg,#005da0,#cbd5e1); }
input[type=range]::-webkit-slider-thumb { background: #005da0; box-shadow: 0 0 0 4px #005da01c; }
input[type=range]::-moz-range-thumb { background: #005da0; box-shadow: 0 0 0 4px #005da01c; }
input:focus-visible, button:focus-visible, select:focus-visible { outline-color: #1d4ed8; }
.segmented button { color: #475569; border-radius: 7px; }
.segmented button[aria-selected="true"] {
  border-color: #bfdbfe;
  color: #064c7e;
  background: #eff6ff;
  font-weight: 700;
}
.segmented button:hover { color: #005da0; background: #eff6ff; }

.art-column { gap: 0; }
.canvas-frame {
  min-height: 430px;
  border: 1px solid #94a3b8;
  border-radius: 13px;
  background: #0c1928;
  box-shadow: 0 0 0 5px #e2e8f0, 0 0 0 7px #cbd5e1, 0 9px 22px #0f172a20;
  margin: 7px;
}
.canvas-frame::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 34px;
  z-index: 1;
  pointer-events: none;
  border-bottom: 1px solid #9fc4e125;
  background: linear-gradient(180deg,#d8e8f20b,#0c192800);
}
.canvas-frame::after {
  background: radial-gradient(ellipse at 50% 48%,transparent 48%,#02091442 100%);
  border: 1px solid #e2f1ff18;
  border-radius: inherit;
}
.canvas-coordinate { z-index: 2; left: 18px; right: 18px; color: #b9d5e8; }
.coordinate-top { top: 13px; color: #c6e0f3; }
.coordinate-bottom { bottom: 12px; color: #91aabd; }
.canvas-crosshair { z-index: 1; opacity: .55; }
.canvas-crosshair i { background: #63c7f3; }
.canvas-message { z-index: 3; color: #cfe9fa; }
.preset-row { border-color: #e2e8f0; padding-top: 14px; }
.preset-row button, .note-keyboard button { color: #475569; border-radius: 7px; }
.preset-row button:hover, .preset-row button.is-active,
.note-keyboard button:hover, .note-keyboard button.is-active {
  border-color: #bfdbfe;
  color: #064c7e;
  background: #eff6ff;
}
.mode-note { color: #64748b; }

.lower-instrument { gap: 14px; }
.sound-panel, .analysis-panel { background: #f8fafc; padding: 16px 17px; }
.panel-heading { margin-bottom: 14px; }
.instrument-options span { color: #475569; border-color: #cbd5e1; border-radius: 7px; background: #fff; }
.instrument-options input:checked + span { color: #064c7e; border-color: #93c5fd; background: #eff6ff; }
.note-keyboard button { padding: 6px 8px; }
.primary-button {
  border-color: #005da0;
  border-radius: 8px;
  background: #005da0;
  color: #fff;
  font-family: var(--sans);
  font-weight: 700;
}
.primary-button:hover { border-color: #1d4ed8; background: #1d4ed8; color: #fff; }
.text-button, .paint-actions button, .mic-button { color: #005da0; }
.text-button:hover, .paint-actions button:hover, .mic-button:hover { color: #1d4ed8; }
.sound-safety, .mic-help { color: #64748b; }
#signal-canvas {
  border: 1px solid #94a3b8;
  border-radius: 8px;
  background: #0c1928;
  box-shadow: inset 0 0 18px #02091455;
}
.signal-note { margin: 5px 0 0; color: #64748b; font: 8px var(--mono); letter-spacing: .045em; }
.analysis-readings span, .meter { color: #64748b; }
.analysis-readings strong { color: #1f2937; }
.meter { background: #cbd5e1; }
.meter b { background: #16834a; }
.mic-status { color: #64748b; }
.mic-status[data-state=active] { color: #16834a; }
.mic-status[data-state=denied], .mic-status[data-state=unsupported] { color: #b42318; }
.mic-sensitivity { margin-top: 9px; padding-top: 8px; border-top: 1px solid #cbd5e1; }
.mic-sensitivity label { display: flex; justify-content: space-between; color: #64748b; font: 8px var(--mono); letter-spacing: .1em; }
.mic-sensitivity output { color: #005da0; }
.mic-sensitivity input { display: block; width: 100%; margin: 5px 0 2px; }
.mic-sensitivity p { margin: 0; color: #64748b; font-size: 9px; }
.painting-tools { background: #f8fafc; padding: 14px 16px; }
.painting-caption { color: #475569; }
.footnote p { color: #005da0; }
.footnote > span { color: #64748b; }

@media (max-width: 640px) {
  main { margin: 12px 8px 24px; padding: 0 13px 19px; border-radius: 14px; }
  .intro h1 { font-size: clamp(2rem, 8vw, 2.6rem); line-height: 1.16; }
  .canvas-frame { margin: 5px; min-height: 52vh; }
  .canvas-coordinate { left: 12px; right: 12px; }
  .control-rail, .sound-panel, .analysis-panel { border-radius: 12px; }
}

.output-mixer{display:grid;grid-template-columns:1fr auto;align-items:center;gap:5px 12px;margin-top:12px;padding-top:10px;border-top:1px solid #e2e8f0}
.output-mixer label{display:flex;justify-content:space-between;gap:12px}
.output-mixer output{color:#005da0;font:9px var(--mono)}
.output-mixer>span{color:#8290a1;font:7px var(--mono);letter-spacing:.07em;text-align:right}