[data-ob-theme="audio-graph"] {
  --ag-signal: #fcd34d;
  --ag-frequency: #c4b5fd;
  --ag-clip: #fca5a5;
}

@media (prefers-color-scheme: light) {
  [data-ob-theme="audio-graph"] {
    --ag-signal: #805000;
    --ag-frequency: #6435a5;
    --ag-clip: #a12c2c;
  }
}

[data-ob-theme="audio-graph"] body {
  background-image: repeating-linear-gradient(0deg, transparent 0 3px, color-mix(in srgb, var(--ob-color-text) 2%, transparent) 3px 4px);
}

[data-ob-theme="audio-graph"] .ob-section > .ob-cover {
  display: none;
}

[data-ob-theme="audio-graph"] .ob-title {
  color: var(--ob-color-text);
  text-wrap: balance;
}

.ag-hero {
  padding-block: 1.5rem;
}

.ag-overture { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); align-items: center; gap: 2rem; margin-bottom: 4rem; }
.ag-overture-copy { min-width: 0; }
[data-ob-theme="audio-graph"] .ag-title-slot .ob-title { font-family: Georgia, "Times New Roman", serif; font-style: italic; font-weight: 400; letter-spacing: -0.045em; font-size: clamp(2.4rem, 5vw, 4.6rem); }
.ag-score { position: relative; min-width: 0; text-align: center; color: var(--ag-signal); }
.ag-score-art { position: relative; height: 21rem; overflow: hidden; border-block: 1px solid var(--ob-color-border); }
.ag-score-clef { position: absolute; left: 0; top: 0.5rem; font: 6rem / 1.4 Georgia, serif; }
.ag-staff { display: flex; justify-content: space-around; align-items: center; position: absolute; inset: 3rem 0 auto 3rem; height: 5rem; background: repeating-linear-gradient(0deg, transparent 0 calc(20% - 1px), currentColor calc(20% - 1px) 20%); }
.ag-staff span { position: relative; font: 4rem / 1 Georgia, serif; animation: ag-note-bob 3s ease-in-out infinite alternate; animation-play-state: paused; }
.ag-staff span:nth-child(2) { top: -0.8rem; animation-delay: -1s; }
.ag-staff span:nth-child(3) { top: 0.7rem; animation-delay: -2s; }
.ag-score-wave { position: absolute; left: 0; top: 10rem; width: 100%; height: 8rem; overflow: hidden; }
.ag-score-wave path { fill: none; stroke: currentColor; stroke-width: 2; animation: ag-wave-travel 3s linear infinite; animation-play-state: paused; }
.ag-score-disc { position: absolute; width: 5rem; height: 5rem; border: 1px solid currentColor; border-radius: 50%; right: 1rem; bottom: 1rem; background: repeating-radial-gradient(circle, var(--ob-color-surface) 0 3px, var(--ob-color-border) 4px, var(--ob-color-surface) 5px 7px); }
.ag-score-disc::after { content: ""; position: absolute; inset: 1.6rem; border-radius: 50%; background: currentColor; }
.ag-score > p { font: 0.7rem / 1.8 var(--ob-font-mono); letter-spacing: 0.15em; }
.ag-score-caption { display: block; color: var(--ob-color-subtle); font-size: 0.75rem; }
.ag-score-toggle { margin-top: 0.75rem; padding: 0.5rem 0.75rem; border: 1px solid var(--ob-color-border); border-radius: 20px; color: var(--ob-color-text); background: var(--ob-color-surface); cursor: pointer; font: 0.7rem / 1.8 var(--ob-font-mono); }
.ag-score-toggle[hidden] { display: none; }
.ag-score-toggle:focus-visible { outline: 2px solid currentColor; outline-offset: 4px; }
.ag-score[data-motion="running"] :is(.ag-staff span, .ag-score-wave path) { animation-play-state: running; }
@keyframes ag-note-bob { to { transform: translateY(-0.5rem); } }
@keyframes ag-wave-travel { to { transform: translateX(-480px); } }
@media (prefers-reduced-motion: reduce) {
  .ag-score :is(.ag-staff span, .ag-score-wave path) { animation: none; }
}

.ag-kicker,
.ag-panel-bar,
.ag-article-label {
  font: 0.75rem / 1.8 var(--ob-font-mono);
}

.ag-kicker {
  color: var(--ob-color-accent-soft);
  letter-spacing: 0.08em;
}

.ag-title-slot {
  max-width: 52rem;
}

.ag-lede {
  max-width: 65ch;
}

.ag-synth {
  margin-top: 2.5rem;
  border: 6px double var(--ob-color-border);
  border-inline-width: 14px;
  border-radius: 20px;
}

.ag-synth-intro { padding: 1.5rem 1.5rem 0; }
[data-ob-theme="audio-graph"] .ag-synth h2 { margin: 0 0 1rem; padding: 0; border: 0; font-size: clamp(1.8rem, 4vw, 3rem); line-height: 1.15; }
.ag-synth-intro p { max-width: 65ch; color: var(--ob-color-muted); }
.ag-synth-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 2rem; padding: 1.5rem; }
.ag-synth-controls { min-width: 0; }
.ag-synth-controls[hidden] { display: none; }
.ag-synth-controls label { display: flex; justify-content: space-between; gap: 0.5rem; margin-block: 1rem 0.5rem; font: 0.8rem / 1.6 var(--ob-font-mono); }
.ag-synth-controls label:first-child { margin-top: 0; }
.ag-synth-controls output { color: var(--ob-color-accent-soft); white-space: nowrap; }
.ag-synth-controls :is(input, select) { box-sizing: border-box; width: 100%; accent-color: var(--ob-color-accent); }
.ag-synth-controls input { min-height: 2rem; margin-inline: 0; cursor: pointer; }
.ag-synth-controls select { padding: 0.6rem; border: 1px solid var(--ob-color-border); border-radius: 6px; background: var(--ob-color-surface-raised); color: var(--ob-color-text); font: inherit; }
.ag-transport { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.5rem; }
.ag-transport button { padding: 0.65rem 1rem; border: 1px solid var(--ob-color-accent-border); border-radius: 6px; background: var(--ob-color-accent); color: var(--ob-color-accent-contrast); font: 0.8rem / 1.8 var(--ob-font-mono); cursor: pointer; }
.ag-transport [data-ag-stop] { background: var(--ob-color-surface-raised); border-color: var(--ag-clip); color: var(--ag-clip); }
.ag-transport button:disabled { background: var(--ob-color-surface-raised); border-color: var(--ob-color-border); color: var(--ob-color-subtle); cursor: default; }
.ag-synth :is(button, select, input):focus-visible { outline: 2px solid var(--ob-color-accent-soft); outline-offset: 4px; }
.ag-synth [role="status"] { font-size: 0.85rem; color: var(--ob-color-muted); }
.ag-synth-monitor { min-width: 0; align-self: center; border: 1px solid var(--ob-color-border); border-radius: 8px; overflow: hidden; }
.ag-live-routing { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; padding: 1rem; margin: 0; border-top: 1px solid var(--ob-color-border); list-style: none; color: var(--ag-signal); font: 0.65rem / 1.8 var(--ob-font-mono); }
.ag-live-routing li:not(:last-child)::after { content: " \2192"; }

.ag-module {
  min-width: 0;
  overflow: hidden;
  background: var(--ob-color-surface);
  box-shadow: inset 0 0 0 1px var(--ob-color-page), 0 12px 0 var(--ob-color-surface-raised);
}

.ag-panel-bar {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--ob-color-border);
  color: var(--ob-color-muted);
}

.ag-panel-bar strong {
  color: var(--ob-color-accent-soft);
  font-weight: 500;
}

.ag-scope {
  position: relative;
  padding: 1rem;
  background-image:
    linear-gradient(rgb(245 158 11 / 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgb(245 158 11 / 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
}

.ag-wave {
  display: block;
  width: 100%;
  height: auto;
  color: var(--ob-color-accent-soft);
}

.ag-wave path {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

.ag-wave .ag-axis {
  stroke: var(--ob-color-border);
  stroke-width: 1;
}

.ag-caption {
  margin: 0;
  padding: 0.75rem 1rem;
  color: var(--ob-color-subtle);
  font-size: 0.8rem;
}

.ag-hero-actions { display: flex; flex-wrap: wrap; gap: 1rem 2rem; margin-top: 1.5rem; font: 0.8rem / 1.8 var(--ob-font-mono); }
.ag-hero-actions a:first-child { padding: 0.5rem 0.85rem; border: 1px solid var(--ob-color-accent-border); border-radius: 6px; }
.ag-learning-path { margin-top: 3rem; }
.ag-learning-path ol { display: grid; grid-template-columns: minmax(0, 1fr); padding: 0; list-style: none; border-block: 1px solid var(--ob-color-border); }
.ag-learning-path a { display: grid; grid-template-columns: 8rem minmax(0, 1fr) minmax(0, 1.3fr); align-items: center; gap: 1.5rem; box-sizing: border-box; padding: 1.25rem; border-bottom: 1px solid var(--ob-color-border); color: var(--ob-color-text); text-decoration: none; }
.ag-learning-path a:hover { background: var(--ob-color-surface-raised); }
.ag-learning-path span { display: block; color: var(--ob-color-subtle); font: 0.7rem / 1.8 var(--ob-font-mono); }
.ag-learning-path strong { display: block; margin-block: 0.75rem; font-size: 1.15rem; }
.ag-learning-path p { color: var(--ob-color-muted); font-size: 0.85rem; }
.ag-hero-actions a:focus-visible,
.ag-learning-path a:focus-visible { outline: 2px solid var(--ob-color-accent-soft); outline-offset: 4px; }

.ag-article-label {
  display: inline-block;
  margin-block: 0 1rem;
  padding: 0.2rem 0.75rem;
  border: 1px solid var(--ob-color-accent-border);
  border-radius: 6px;
  color: var(--ob-color-accent-soft);
  background: var(--ob-color-surface);
}

[data-ob-theme="audio-graph"] .ob-series-parts-full {
  display: grid;
  gap: 1rem;
}

[data-ob-theme="audio-graph"] .ob-part {
  padding: 1.25rem;
  border: 1px solid var(--ob-color-border);
  border-radius: var(--ob-radius);
  background: var(--ob-color-surface);
}

[data-ob-theme="audio-graph"] .ob-part:is(:hover, :focus-visible) {
  background: var(--ob-color-surface-raised);
  border-color: var(--ob-color-accent-soft);
}

[data-ob-theme="audio-graph"] .ob-part-number {
  color: var(--ob-color-accent-soft);
  font-family: var(--ob-font-mono);
}

[data-ob-theme="audio-graph"] .ob-post-header {
  padding-block: 1.5rem;
  border-bottom: 1px solid var(--ob-color-border);
}

[data-ob-theme="audio-graph"] .ob-prose pre {
  --ob-color-text: #edf6f2;
  --ob-color-muted: #c0d0ca;
  --ob-color-subtle: #a7bcb4;
  --ob-color-surface: #111622;
  --ob-color-border: #485b65;
  --ob-color-accent-soft: #6ee7b7;
}

[data-ob-theme="audio-graph"] .ob-code-title {
  background: #111622;
  color: #c0d0ca;
}

[data-ob-theme="audio-graph"] .ob-line::before {
  opacity: 1;
}

[data-ob-theme="audio-graph"] .ob-prose :not(pre) > code {
  background: var(--ob-color-surface-raised);
  color: var(--ob-color-accent-soft);
}

[data-ob-theme="audio-graph"] .ob-prose h2 {
  border-top: 1px solid var(--ob-color-border);
  padding-top: 1rem;
}

@media (max-width: 900px) {
  .ag-overture,
  .ag-learning-path a,
  .ag-synth-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 540px) {
  [data-ob-theme="audio-graph"] .ob-part {
    padding: 1rem;
    gap: 0.75rem;
  }
  .ag-synth { border-inline-width: 6px; }
  .ag-synth-grid { padding: 1rem; }
}

@media print {
  [data-ob-theme="audio-graph"] body,
  .ag-scope {
    background-image: none;
  }

}