:root {
  color-scheme: dark;
  --ink: #f3f3ef;
  --muted: #9ba09b;
  --surface: #151817;
  --surface-2: #1d211f;
  --line: #323834;
  --accent: #b8ff5a;
  --accent-dark: #20330d;
  --danger: #ff7b72;
  --warning: #ffca5c;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; min-height: 100vh; color: var(--ink); background: #0b0d0c; }
button, input { font: inherit; }
button { border: 1px solid var(--line); border-radius: 0.55rem; padding: 0.66rem 0.9rem; color: var(--ink); background: var(--surface-2); cursor: pointer; }
button:hover:not(:disabled), button:focus-visible { border-color: var(--accent); outline: none; }
button:disabled { cursor: not-allowed; opacity: 0.45; }
select, input { width: 100%; accent-color: var(--accent); color: var(--ink); background: #0f1210; border: 1px solid var(--line); border-radius: 0.45rem; padding: 0.5rem; }
.primary { color: #10130e; border-color: var(--accent); background: var(--accent); font-weight: 700; }
.app-header { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem clamp(1rem, 3vw, 2.5rem); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: baseline; gap: 0.8rem; }
.brand h1 { margin: 0; letter-spacing: 0.22em; font-size: 1.15rem; }
.brand span, .status-cluster { color: var(--muted); font-size: 0.8rem; }
.status-cluster { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 0.5rem 1rem; }
.storage-warning { color: var(--warning); }
.storage-ready { color: var(--accent); }
main { display: grid; grid-template-columns: minmax(260px, 340px) 1fr; min-height: calc(100vh - 65px); }
.sidebar { padding: 1.25rem; border-right: 1px solid var(--line); background: #101311; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.section-heading h2 { margin: 0; font-size: 0.95rem; letter-spacing: 0.08em; text-transform: uppercase; }
.drop-zone { padding: 1rem; margin-bottom: 1rem; text-align: center; color: var(--muted); border: 1px dashed var(--line); border-radius: 0.75rem; }
.drop-zone.is-dragging { color: var(--accent); border-color: var(--accent); background: var(--accent-dark); }
.exhibit-list { display: grid; gap: 0.75rem; }
.exhibit-card { padding: 1rem; border: 1px solid var(--line); border-radius: 0.8rem; background: var(--surface); }
.exhibit-card.is-active { border-color: var(--accent); box-shadow: inset 3px 0 var(--accent); }
.exhibit-card h3, .exhibit-card p { margin: 0 0 0.55rem; }
.exhibit-card .description { color: #c7cbc7; font-size: 0.9rem; line-height: 1.45; }
.exhibit-card .meta { color: var(--muted); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 0.72rem; }
.workspace { display: grid; grid-template-rows: minmax(300px, 1fr) minmax(220px, 38vh); min-width: 0; }
.stage { display: grid; place-items: center; padding: clamp(1.5rem, 5vw, 5rem); background: radial-gradient(circle at 50% 45%, #1a211c, #0b0d0c 62%); }
.stage-card { width: min(660px, 100%); padding: clamp(1.5rem, 4vw, 3rem); border: 1px solid var(--line); border-radius: 1rem; background: rgba(16, 19, 17, 0.88); }
.eyebrow { color: var(--accent); letter-spacing: 0.12em; text-transform: uppercase; font-size: 0.75rem; }
.stage-card h2 { margin: 0.35rem 0 0.7rem; font-size: clamp(1.7rem, 4vw, 3rem); }
.stage-card p { color: var(--muted); line-height: 1.55; }
.runtime-readout { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75rem; margin: 1.5rem 0; }
.runtime-readout div { padding: 0.8rem; border: 1px solid var(--line); border-radius: 0.55rem; overflow: hidden; }
.runtime-readout dt { color: var(--muted); font-size: 0.72rem; text-transform: uppercase; }
.runtime-readout dd { margin: 0.35rem 0 0; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; overflow-wrap: anywhere; }
.grammar-panel { margin: 1rem 0; padding-top: 0.8rem; border-top: 1px solid var(--line); }
.grammar-panel h3 { margin: 0 0 0.7rem; font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; }
.parameter-control { display: grid; grid-template-columns: minmax(8rem, 1fr) minmax(8rem, 1.5fr) auto; gap: 0.65rem; align-items: center; margin: 0.55rem 0; }
.parameter-control label { color: #d9ddd9; font-size: 0.82rem; }
.compact { padding: 0.45rem 0.6rem; font-size: 0.75rem; }
.override-badge { margin-left: 0.5rem; padding: 0.12rem 0.35rem; color: var(--accent); background: var(--accent-dark); border-radius: 999px; font-size: 0.62rem; text-transform: uppercase; }
.resolved-values { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.35rem 1rem; padding: 0; list-style: none; }
.resolved-values li { display: flex; justify-content: space-between; gap: 1rem; min-width: 0; font-size: 0.76rem; }
.resolved-values code { color: var(--muted); overflow: hidden; text-overflow: ellipsis; }
.resolved-values output, #condition-result { color: var(--accent); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.diagnostics-panel { min-height: 0; padding: 1rem 1.25rem; border-top: 1px solid var(--line); background: var(--surface); overflow: auto; }
.count { display: inline-grid; place-items: center; min-width: 1.6rem; min-height: 1.6rem; border-radius: 999px; color: var(--accent); background: var(--accent-dark); }
.diagnostic-list { display: grid; gap: 0.55rem; padding: 0; margin: 0; list-style: none; }
.diagnostic { display: grid; grid-template-columns: 4.5rem minmax(9rem, auto) 1fr; gap: 0.65rem; align-items: baseline; padding: 0.7rem; border-left: 3px solid var(--line); background: #101311; font-size: 0.82rem; }
.diagnostic.error { border-color: var(--danger); }
.diagnostic.warning { border-color: var(--warning); }
.diagnostic.info { border-color: var(--accent); }
.diagnostic .severity, .diagnostic small { color: var(--muted); font-size: 0.68rem; }
.diagnostic small { grid-column: 3; }
.empty { color: var(--muted); text-align: center; }
[hidden] { display: none !important; }
@media (max-width: 760px) {
  main { grid-template-columns: 1fr; }
  .sidebar { border-right: 0; border-bottom: 1px solid var(--line); }
  .workspace { grid-template-rows: auto auto; }
  .diagnostic { grid-template-columns: 1fr; }
  .diagnostic small { grid-column: 1; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; } }

.audio-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  margin-bottom: 0.75rem;
}

.audio-controls label {
  margin-left: auto;
  font-size: 0.85rem;
}

.audio-buses {
  display: grid;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}

.sound-list {
  display: grid;
  gap: 0.35rem;
}

.sound-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.35rem 0.55rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 0.4rem;
}

.stage-canvas {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  margin: 0 0 1rem;
  border-radius: 6px;
  background: #000;
  border: 1px solid rgba(255, 255, 255, 0.08);
}