:root {
  color-scheme: light;
  --page: #f4f3f0;
  --surface-1: #fcfcfb;
  --border: #e2e0da;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #77756f;
  --grid: #ecebe7;
  --axis: #b9b7b0;
  --accent: #2a78d6;
  --accent-ink: #ffffff;
  --warn-bg: #fdf3dc;
  --warn-ink: #6b4a00;
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --ramp: #fcfcfb, #cde2fb, #86b6ef, #3987e5, #1c5cab, #0d366b;
  --diverging: #1c5cab, #86b6ef, #f0efec, #f0a3a2, #b42d2c;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    color-scheme: dark;
    --page: #121211;
    --surface-1: #1a1a19;
    --border: #2f2f2c;
    --text-primary: #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted: #94938a;
    --grid: #262624;
    --axis: #4a4a46;
    --accent: #3987e5;
    --warn-bg: #3a2e12;
    --warn-ink: #f3d18a;
    --series-1: #3987e5;
    --series-2: #d95926;
    --ramp: #1a1a19, #104281, #1c5cab, #3987e5, #86b6ef, #cde2fb;
    --diverging: #6da7ec, #1c5cab, #383835, #a83434, #e66767;
  }
}
:root[data-theme='dark'] {
  color-scheme: dark;
  --page: #121211;
  --surface-1: #1a1a19;
  --border: #2f2f2c;
  --text-primary: #ffffff;
  --text-secondary: #c3c2b7;
  --text-muted: #94938a;
  --grid: #262624;
  --axis: #4a4a46;
  --accent: #3987e5;
  --warn-bg: #3a2e12;
  --warn-ink: #f3d18a;
  --series-1: #3987e5;
  --series-2: #d95926;
  --ramp: #1a1a19, #104281, #1c5cab, #3987e5, #86b6ef, #cde2fb;
  --diverging: #6da7ec, #1c5cab, #383835, #a83434, #e66767;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--page);
  color: var(--text-primary);
  font: 14px/1.45 system-ui, -apple-system, 'Segoe UI', sans-serif;
}
h1 { font-size: 22px; margin: 4px 0 8px; }
h2 { font-size: 15px; margin: 0 0 10px; }
a { color: var(--accent); }
.sub { color: var(--text-secondary); margin: 0 0 12px; }
.note { color: var(--text-muted); font-size: 12px; margin: 6px 0 0; }
.mono { font-variant-numeric: tabular-nums; font-family: ui-monospace, monospace; font-size: 12px; }

.hero { max-width: 1100px; margin: 32px auto 8px; padding: 0 16px; }
.gallery {
  max-width: 1100px; margin: 0 auto 32px; padding: 0 16px;
  display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}
.tile {
  display: block; background: var(--surface-1); border: 1px solid var(--border); border-radius: 10px;
  padding: 16px; color: inherit; text-decoration: none; position: relative;
}
.tile:not(.soon):hover { border-color: var(--accent); }
.tile p { color: var(--text-secondary); margin: 0; }
.tile.soon { opacity: 0.6; cursor: default; }
.badge { display: inline-block; margin-top: 10px; font-size: 11px; color: var(--text-muted); border: 1px solid var(--border); border-radius: 999px; padding: 1px 8px; }

.instrument { display: grid; grid-template-columns: 340px minmax(0, 1fr); gap: 16px; padding: 16px; max-width: 1500px; margin: 0 auto; }
@media (max-width: 860px) { .instrument { grid-template-columns: 1fr; padding: 16px; } }
.panel {
  background: var(--surface-1); border: 1px solid var(--border); border-radius: 10px; padding: 14px;
  align-self: start; position: sticky; top: 16px; max-height: calc(100vh - 32px); overflow: auto;
}
@media (max-width: 860px) { .panel { position: static; max-height: none; } }
.back { font-size: 13px; text-decoration: none; }
fieldset { border: none; border-top: 1px solid var(--border); margin: 10px 0 0; padding: 8px 0 0; }
legend { font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-secondary); padding: 0 6px 0 0; }
.ctl { display: grid; grid-template-columns: 112px minmax(0, 1fr) auto; align-items: center; gap: 8px; margin: 5px 0; }
.ctl[hidden] { display: none; }
.ctl-name { color: var(--text-secondary); font-size: 13px; }
.ctl-unit { color: var(--text-muted); font-size: 12px; min-width: 34px; }
.ctl.preset { grid-template-columns: 60px minmax(0, 1fr); }
input, select {
  font: inherit; font-size: 13px; color: var(--text-primary); background: var(--page);
  border: 1px solid var(--border); border-radius: 6px; padding: 4px 6px; min-width: 0; width: 100%;
}
.inline select { width: auto; }
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.btn, .btn-small {
  font: inherit; border-radius: 6px; cursor: pointer; text-decoration: none; display: inline-block;
}
.btn { background: var(--accent); color: var(--accent-ink); border: none; padding: 8px 16px; font-weight: 600; }
.btn:disabled { opacity: 0.5; cursor: default; }
.btn-small { background: transparent; color: var(--text-primary); border: 1px solid var(--border); padding: 4px 10px; font-size: 13px; }
.run-row { display: flex; gap: 8px; align-items: center; margin-top: 14px; }
progress { width: 100%; margin-top: 8px; accent-color: var(--accent); }

.results { display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.card { background: var(--surface-1); border: 1px solid var(--border); border-radius: 10px; padding: 14px; min-width: 0; }
.card[hidden] { display: none; }
.card-head { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 8px; }
.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px 16px; }
.stats div { display: flex; flex-direction: column; }
.stats span { color: var(--text-muted); font-size: 12px; }
.stats b { font-weight: 600; font-variant-numeric: tabular-nums; }
.warnings { margin: 10px 0 0; padding: 0; list-style: none; }
.warnings li { background: var(--warn-bg); color: var(--warn-ink); border-radius: 6px; padding: 6px 10px; margin-top: 6px; font-size: 13px; }
.warnings li::before { content: '⚠ '; }
.audio-row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-top: 12px; }
audio { max-width: 100%; }

.canvas-wrap { position: relative; height: 220px; }
.canvas-wrap.tall { height: 320px; }
.canvas-wrap.short { height: 170px; }
.canvas-wrap canvas { width: 100%; height: 100%; display: block; }
.tooltip {
  position: absolute; pointer-events: none; white-space: pre; font-size: 12px; line-height: 1.4;
  background: var(--surface-1); color: var(--text-primary); border: 1px solid var(--border);
  border-radius: 6px; padding: 4px 8px; box-shadow: 0 2px 6px rgb(0 0 0 / 0.15); font-variant-numeric: tabular-nums;
}
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.seg button { font: inherit; font-size: 12px; background: transparent; color: var(--text-secondary); border: none; padding: 3px 10px; cursor: pointer; }
.seg button.on { background: var(--accent); color: var(--accent-ink); }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 12px; color: var(--text-secondary); }
.legend .sw { display: inline-block; width: 12px; height: 3px; border-radius: 2px; vertical-align: middle; margin-right: 5px; }
.legend .dash { display: inline-block; width: 0; height: 12px; border-left: 2px dashed; vertical-align: middle; margin-right: 5px; }
.viewer-bar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin: 6px 0; }
.viewer-bar input[type='range'] { flex: 1; min-width: 140px; padding: 0; border: none; background: none; accent-color: var(--accent); }
.inline { font-size: 12px; color: var(--text-secondary); display: inline-flex; gap: 6px; align-items: center; }