:root {
  --qubit-run-panel: var(--bg);
  --qubit-run-panel-soft: color-mix(in srgb, var(--text) 3%, transparent);
  --qubit-run-line: color-mix(in srgb, var(--text) 18%, transparent);
  --qubit-run-muted-line: color-mix(in srgb, var(--text) 34%, transparent);
  --qubit-run-mono: "SFMono-Regular", Menlo, Consolas, monospace;
  --qubit-run-serif: Georgia, "Times New Roman", serif;
}

.qubit-run-page {
  background: var(--bg);
}

.qubit-run-page .site-main {
  width: min(1680px, calc(100vw - (var(--content-gutter) * 2)));
  max-width: none;
  margin-inline: auto;
}

.qubit-run-page .site-main > .page-hero {
  padding-inline: 0;
}

.qubit-run-hero .page-title {
  max-width: none;
}

.qubit-run-surface {
  display: grid;
  gap: 1.35rem;
}

.qubit-run-summary {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(500px, 1fr);
  gap: clamp(1.8rem, 3vw, 3.4rem);
  align-items: start;
  padding-bottom: 1.35rem;
  border-bottom: 1px solid var(--line);
}

.qubit-run-summary-copy,
.qubit-run-summary-panel {
  display: grid;
  gap: 0.8rem;
  align-content: start;
}

.qubit-run-summary-text {
  max-width: 64ch;
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.6;
}

.qubit-run-link,
.qubit-run-small-link {
  width: fit-content;
  color: var(--text);
  font-size: 0.92rem;
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--accent) 62%, transparent);
  text-underline-offset: 0.24em;
}

.qubit-run-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.qubit-run-metric {
  min-height: 82px;
  padding: 0.9rem 0.95rem 0.75rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.qubit-run-metric-label {
  display: block;
  margin-bottom: 0.42rem;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.qubit-run-metric-value {
  display: block;
  font-size: 1.08rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.qubit-run-stage {
  display: grid;
  grid-template-columns: minmax(560px, 1.1fr) minmax(420px, 0.9fr);
  gap: clamp(2rem, 3vw, 4.2rem);
  align-items: start;
  min-width: 0;
}

.qubit-run-code,
.qubit-run-visual {
  min-width: 0;
}

.qubit-run-section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.qubit-run-section-title {
  margin: 0;
  font-size: 1.08rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.qubit-run-stage-label {
  color: var(--muted);
  font-size: 0.82rem;
}

.qubit-run-editor {
  margin-top: 0.85rem;
  border: 1px solid var(--line);
  background: var(--qubit-run-panel);
  overflow: hidden;
}

.qubit-run-editor-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 1rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--qubit-run-mono);
  font-size: 0.84rem;
}

.qubit-run-editor-head span:first-child {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.qubit-run-editor-head span:last-child {
  flex: 0 0 auto;
  white-space: nowrap;
  text-align: right;
}

.qubit-run-editor-body {
  position: relative;
  height: 490px;
  margin: 0;
  overflow: hidden;
  background: var(--bg);
  color: color-mix(in srgb, var(--text) 82%, transparent);
  font-family: var(--qubit-run-mono);
  --editor-font-size: 11.8px;
  --editor-line-height: 20px;
  --editor-ln-col: 34px;
  --editor-pm-col: 14px;
  --editor-gap-col: 0.45rem;
  --editor-pad-x: 0.55rem;
}

.qubit-run-editor-focus {
  display: none;
}

.qubit-run-code-line {
  position: absolute;
  left: 12px;
  right: 12px;
  display: grid;
  grid-template-columns: var(--editor-ln-col) var(--editor-pm-col) minmax(0, 1fr);
  gap: var(--editor-gap-col);
  align-items: center;
  height: var(--editor-line-height);
  padding: 0 var(--editor-pad-x);
  color: color-mix(in srgb, var(--text) 86%, transparent);
  font-size: var(--editor-font-size);
  line-height: 1;
  white-space: pre;
  pointer-events: none;
  transform-origin: left center;
  will-change: transform, opacity;
  transition: background-color 220ms ease, color 220ms ease;
}

.qubit-run-code-line.equal {
  background: transparent;
}

.qubit-run-code-line.insert {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 7%, transparent);
}

.qubit-run-code-line.delete {
  color: color-mix(in srgb, var(--muted) 88%, var(--text) 12%);
  background: color-mix(in srgb, var(--text) 4%, transparent);
}

.qubit-run-code-line.delete .code {
  text-decoration: line-through;
  text-decoration-thickness: 1.5px;
}

.qubit-run-code-line .ln {
  color: var(--muted);
  text-align: right;
  user-select: none;
}

.qubit-run-code-line .pm {
  font-weight: 600;
  opacity: 0.92;
}

.qubit-run-code-line .code {
  display: block;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.qubit-run-code-line .kw {
  color: var(--accent);
  font-weight: 700;
}

.qubit-run-code-line .fn {
  color: color-mix(in srgb, var(--accent) 72%, var(--text));
}

.qubit-run-code-line .cm {
  color: var(--muted);
  font-style: italic;
}

.qubit-run-code-line .num {
  color: color-mix(in srgb, var(--text) 78%, transparent);
}

.qubit-run-visual {
  display: grid;
  gap: 1rem;
}

.qubit-run-card {
  border: 1px solid var(--line);
  background: var(--qubit-run-panel);
  padding: 1rem;
}

.qubit-run-card--circuit {
  padding: 1.25rem 1.35rem;
}

.qubit-run-score-svg,
.qubit-run-circuit-svg,
.qubit-run-topology-svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.qubit-run-title {
  fill: var(--text);
  font-family: var(--qubit-run-serif);
  font-size: 15px;
  font-style: italic;
}

.qubit-run-label {
  fill: var(--muted);
  font-family: var(--qubit-run-serif);
  font-size: 11px;
}

.qubit-run-value {
  fill: var(--text);
  font-family: var(--qubit-run-mono);
  font-size: 11px;
}

.qubit-run-axis,
.qubit-run-grid,
.qubit-run-wire {
  fill: none;
  stroke: var(--qubit-run-muted-line);
  stroke-linecap: round;
}

.qubit-run-grid {
  stroke: var(--qubit-run-line);
  stroke-width: 0.8;
}

.qubit-run-axis {
  stroke-width: 1;
}

.qubit-run-candidate {
  fill: color-mix(in srgb, var(--text) 20%, transparent);
  opacity: 0.28;
}

.qubit-run-candidate.is-visible {
  fill: color-mix(in srgb, var(--text) 34%, transparent);
  opacity: 0.68;
}

.qubit-run-best {
  fill: none;
  stroke: var(--text);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.qubit-run-best--full {
  stroke: color-mix(in srgb, var(--text) 34%, transparent);
  stroke-width: 1.4;
}

.qubit-run-accepted-ring {
  fill: var(--bg);
  stroke: var(--accent);
  stroke-width: 2;
}

.qubit-run-baseline-ring {
  fill: var(--bg);
  stroke: color-mix(in srgb, var(--text) 55%, transparent);
  stroke-width: 1.7;
}

.qubit-run-current-ring {
  fill: var(--bg);
  stroke: var(--text);
  stroke-width: 1.8;
}

.qubit-run-step-marker {
  fill: var(--bg);
  opacity: 0.4;
  stroke: color-mix(in srgb, var(--text) 48%, transparent);
  stroke-width: 1.4;
}

.qubit-run-step-marker.is-visible {
  opacity: 1;
  stroke: var(--text);
  stroke-width: 1.8;
}

.qubit-run-step-marker.is-accepted {
  stroke: var(--accent);
  stroke-width: 2;
}

.qubit-run-code-milestone-line {
  stroke: color-mix(in srgb, var(--text) 46%, transparent);
  stroke-dasharray: 3 5;
  stroke-linecap: round;
  stroke-width: 1;
}

.qubit-run-code-milestone {
  fill: color-mix(in srgb, var(--text) 86%, transparent);
  stroke: none;
}

.qubit-run-gate {
  fill: var(--bg);
  stroke: var(--accent);
  stroke-width: 1.7;
}

.qubit-run-swap {
  stroke: var(--accent);
  stroke-linecap: round;
  stroke-width: 1.8;
}

.qubit-run-cnot {
  stroke: color-mix(in srgb, var(--text) 62%, transparent);
  stroke-width: 1.4;
}

.qubit-run-bar-baseline {
  fill: color-mix(in srgb, var(--text) 18%, transparent);
}

.qubit-run-bar-accepted {
  fill: color-mix(in srgb, var(--accent) 72%, transparent);
}

.qubit-run-marker {
  stroke: color-mix(in srgb, var(--text) 58%, transparent);
  stroke-width: 1.5;
}

.qubit-run-compressed-reference {
  stroke: color-mix(in srgb, var(--text) 52%, transparent);
  stroke-linecap: round;
  stroke-width: 1.25;
}

.qubit-run-compressed-active {
  stroke: color-mix(in srgb, var(--accent) 92%, transparent);
  stroke-linecap: round;
  stroke-width: 1.55;
}


@media (max-width: 980px) {
  .qubit-run-summary,
  .qubit-run-stage {
    grid-template-columns: 1fr;
  }

  .qubit-run-visual {
    order: -1;
  }

  .qubit-run-summary {
    gap: 1.4rem;
  }

  .qubit-run-metrics {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .qubit-run-editor-body {
    height: 380px;
    --editor-font-size: 9.2px;
    --editor-line-height: 17px;
    --editor-ln-col: 24px;
    --editor-pm-col: 10px;
  }

  .qubit-run-code-line {
    left: 8px;
    right: 8px;
    gap: 0.35rem;
  }

  .qubit-run-card {
    padding: 0.85rem;
  }
}