:root {
  --surface-panel: var(--bg);
  --surface-panel-strong: color-mix(in srgb, var(--text) 3%, transparent);
  --surface-delete: color-mix(in srgb, var(--muted) 88%, var(--text) 12%);
  --surface-insert: var(--accent);
  --surface-focus: color-mix(in srgb, var(--accent) 7%, transparent);
  --surface-mono: "SFMono-Regular", Menlo, Consolas, monospace;
  --surface-serif: Georgia, "Times New Roman", serif;
}

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

.rcpsp-surface-page .site-main > .page-hero {
  padding-inline: 0;
}

.rcpsp-surface-page {
  background: var(--bg);
}

.rcpsp-hero {
  display: grid;
  gap: 0.9rem;
}

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

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

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

.rcpsp-summary .eyebrow {
  margin-bottom: 0;
}

.rcpsp-summary-copy {
  display: grid;
  gap: 0.75rem;
  align-content: start;
}

.rcpsp-summary-text {
  max-width: 62ch;
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.6;
}

.rcpsp-summary-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;
}

.rcpsp-summary-panel {
  display: grid;
  gap: 0.85rem;
}

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

.rcpsp-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

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

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

.rcpsp-metric-value--numeric {
  letter-spacing: -0.03em;
}

.rcpsp-stage {
  display: grid;
  grid-template-columns: minmax(560px, 1.18fr) minmax(420px, 0.82fr);
  gap: clamp(2rem, 3vw, 4.2rem);
  align-items: start;
}

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

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

.rcpsp-section-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.58rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1;
}

.rcpsp-section-tag.is-phase {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 42%, transparent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.rcpsp-editor {
  position: relative;
  margin-top: 0.85rem;
  border: 1px solid var(--line);
  border-radius: 0;
  background: var(--surface-panel);
  overflow: hidden;
}

.rcpsp-editor-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 1rem;
  border-bottom: 1px solid var(--line);
  background: var(--surface-panel);
}

.rcpsp-editor-title {
  color: var(--muted);
  font-family: var(--surface-mono);
  font-size: 0.86rem;
}

.rcpsp-editor-body {
  position: relative;
  height: 720px;
  overflow: hidden;
  background: var(--bg);
  --editor-font-size: 12.4px;
  --editor-line-height: 21px;
  --editor-ln-col: 34px;
  --editor-pm-col: 14px;
  --editor-gap-col: 0.45rem;
  --editor-pad-x: 0.55rem;
}

.rcpsp-editor-focus {
  display: none;
}

.rcpsp-editor-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);
  border-radius: 0;
  color: color-mix(in srgb, var(--text) 88%, transparent);
  font-family: var(--surface-mono);
  font-size: var(--editor-font-size);
  line-height: 1;
  white-space: pre;
  pointer-events: none;
  transform-origin: left center;
  will-change: transform, opacity, height;
  transition: background-color 220ms ease, color 220ms ease;
}

.rcpsp-editor-line.equal {
  color: color-mix(in srgb, var(--text) 88%, transparent);
  background: transparent;
}

.rcpsp-editor-line.delete {
  color: var(--surface-delete);
  background: color-mix(in srgb, var(--text) 4%, transparent);
}

.rcpsp-editor-line.insert {
  color: var(--surface-insert);
  background: color-mix(in srgb, var(--accent) 7%, transparent);
}

.rcpsp-editor-line.baseline {
  color: color-mix(in srgb, var(--text) 72%, transparent);
  background: transparent;
}

.rcpsp-editor-line .ln {
  color: var(--muted);
  text-align: right;
}

.rcpsp-editor-line .pm {
  font-weight: 600;
  opacity: 0.95;
}

.rcpsp-editor-line .code {
  display: block;
  width: max-content;
  transform: none;
  transform-origin: left center;
}

.rcpsp-editor-line.delete .code {
  text-decoration: line-through;
  text-decoration-thickness: 1.5px;
}

.rcpsp-editor-line .kw {
  color: color-mix(in srgb, #4ba3ff 82%, var(--text));
  font-weight: 700;
}

.rcpsp-editor-line .fn {
  color: color-mix(in srgb, var(--accent) 58%, var(--text));
}

.rcpsp-editor-line .str {
  color: color-mix(in srgb, var(--accent) 42%, var(--text));
}

.rcpsp-editor-line .cm {
  color: var(--muted);
  font-style: italic;
}

.rcpsp-editor-line .num {
  color: color-mix(in srgb, var(--accent) 52%, var(--text));
}

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

.rcpsp-score-pulse,
.rcpsp-schedule-card {
  background: var(--surface-panel);
  border: 1px solid var(--line);
  border-radius: 0;
}

.rcpsp-score-pulse,
.rcpsp-schedule-card {
  padding: 0.9rem 0.95rem 0.7rem;
}

.rcpsp-score-label {
  color: var(--muted);
  font-size: 0.76rem;
  font-variant-numeric: tabular-nums;
}

.rcpsp-score-svg,
.rcpsp-dispatch-svg,
.rcpsp-schedule-svg {
  display: block;
  width: 100%;
  overflow: visible;
}

.rcpsp-score-svg {
  height: 270px;
  margin-top: 0.5rem;
}

.rcpsp-dispatch-svg {
  height: 600px;
}

.rcpsp-schedule-svg {
  height: 350px;
}

.rcpsp-score-svg text,
.rcpsp-dispatch-svg text,
.rcpsp-schedule-svg text {
  font-family: var(--surface-serif);
}

.rcpsp-figure-title {
  fill: var(--text);
  font-family: var(--surface-serif);
  font-size: 12px;
  font-style: italic;
}

.rcpsp-axis-title,
.rcpsp-axis-tick,
.rcpsp-note,
.rcpsp-legend text,
.rcpsp-gap-row-title,
.rcpsp-gap-value,
.rcpsp-gap-delta {
  fill: var(--muted);
  font-family: var(--surface-serif);
}

.rcpsp-axis-title {
  font-size: 10.5px;
  text-anchor: middle;
}

.rcpsp-axis-tick {
  font-size: 9.5px;
  font-variant-numeric: tabular-nums;
}

.rcpsp-note,
.rcpsp-legend text {
  font-size: 9px;
}

.rcpsp-gap-row-title {
  fill: var(--text);
  font-size: 11px;
  font-weight: 700;
}

.rcpsp-dispatch-label {
  fill: var(--muted);
  font-family: var(--surface-serif);
  font-size: 9.4px;
  font-weight: 400;
}

.rcpsp-gap-value {
  fill: var(--muted);
  font-size: 10px;
  font-variant-numeric: tabular-nums;
}

.rcpsp-gap-value-current {
  fill: var(--text);
  font-weight: 700;
}

.rcpsp-gap-delta {
  fill: color-mix(in srgb, var(--accent) 70%, var(--text));
  font-size: 9px;
  font-variant-numeric: tabular-nums;
}

.rcpsp-paper-axis {
  stroke: color-mix(in srgb, var(--text) 58%, transparent);
  stroke-width: 1;
  fill: none;
}

.rcpsp-paper-grid {
  stroke: color-mix(in srgb, var(--text) 16%, transparent);
  stroke-width: 0.8;
  fill: none;
}

.rcpsp-score-proposal {
  fill: color-mix(in srgb, var(--text) 28%, transparent);
}

.rcpsp-score-proposal.is-clipped {
  fill: color-mix(in srgb, var(--text) 18%, transparent);
}

.rcpsp-score-legend text {
  fill: var(--muted);
  font-family: var(--surface-serif);
  font-size: 8.8px;
}

.rcpsp-score-legend-best {
  stroke: var(--text);
  stroke-width: 2.1;
  stroke-linecap: round;
}

.rcpsp-score-legend-proposal {
  fill: color-mix(in srgb, var(--text) 28%, transparent);
}

.rcpsp-score-best {
  fill: none;
  stroke: var(--text);
  stroke-width: 2.3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.rcpsp-score-baseline,
.rcpsp-gap-seed {
  fill: var(--bg);
  stroke: color-mix(in srgb, var(--text) 55%, transparent);
  stroke-width: 2;
}

.rcpsp-score-accepted,
.rcpsp-score-current,
.rcpsp-gap-current {
  fill: var(--bg);
  stroke: var(--accent);
  stroke-width: 2;
}

.rcpsp-score-current {
  fill: var(--accent);
}

.rcpsp-score-y-tick {
  text-anchor: end;
}

.rcpsp-score-x-value {
  text-anchor: middle;
}

.rcpsp-score-x-label,
.rcpsp-score-y-label {
  fill: color-mix(in srgb, var(--text) 78%, transparent);
  font-size: 12px;
}

.rcpsp-score-y-label {
  font-size: 13px;
}

.rcpsp-score-x-tick {
  fill: none;
  stroke: color-mix(in srgb, var(--text) 42%, transparent);
  stroke-width: 0.8;
}

.rcpsp-gap-optimum,
.rcpsp-gap-track {
  fill: color-mix(in srgb, var(--text) 10%, transparent);
  stroke: color-mix(in srgb, var(--text) 26%, transparent);
}

.rcpsp-gap-optimum-line {
  stroke: color-mix(in srgb, var(--text) 52%, transparent);
  stroke-width: 1;
}

.rcpsp-gap-hatch-line {
  stroke: color-mix(in srgb, var(--accent) 54%, transparent);
  stroke-width: 1;
}

.rcpsp-gap-accepted-guide {
  stroke: var(--accent);
  stroke-width: 1;
  stroke-dasharray: 3 4;
  opacity: 0.72;
}

.rcpsp-gap-seed-fill {
  fill: color-mix(in srgb, var(--text) 30%, transparent);
}

.rcpsp-dispatch-svg .rcpsp-gap-seed-fill {
  opacity: 0.58;
}

.rcpsp-gap-current-fill,
.rcpsp-schedule-bar {
  fill: color-mix(in srgb, var(--accent) 72%, transparent);
}

.rcpsp-schedule-optimum-fill {
  fill: color-mix(in srgb, var(--text) 13%, transparent);
  stroke: color-mix(in srgb, var(--text) 24%, transparent);
}

.rcpsp-schedule-excess-fill {
  fill: color-mix(in srgb, var(--accent) 36%, transparent);
  stroke: color-mix(in srgb, var(--accent) 48%, transparent);
}

.rcpsp-schedule-excess-hatch {
  fill: url(#rcpsp-excess-hatch);
  opacity: 0.9;
}

.rcpsp-gap-seed-marker {
  stroke: color-mix(in srgb, var(--text) 48%, transparent);
  stroke-width: 1.2;
}

.rcpsp-gap-current-marker {
  stroke: var(--accent);
  stroke-width: 1.15;
}

.rcpsp-gap-current-dot {
  fill: var(--bg);
  stroke: var(--accent);
  stroke-width: 2;
}

.rcpsp-schedule-final {
  stroke: var(--accent);
  stroke-width: 1.2;
  stroke-dasharray: 4 4;
}

.rcpsp-schedule-gantt-lane {
  stroke: color-mix(in srgb, var(--text) 16%, transparent);
}

.rcpsp-gantt-label {
  fill: var(--bg);
  font-family: var(--surface-mono) !important;
  font-size: 7.5px;
  font-weight: 700;
}

.rcpsp-gantt-label-external {
  fill: var(--text);
  font-size: 7px;
}

.rcpsp-schedule-load,
.rcpsp-schedule-load-current {
  fill: color-mix(in srgb, var(--accent) 72%, transparent);
}

.rcpsp-schedule-load-seed {
  fill: none;
  stroke: #7a7f87;
  stroke-width: 1.45;
  opacity: 0.95;
}

.rcpsp-capacity {
  stroke: var(--text);
  stroke-width: 1;
  stroke-dasharray: 5 5;
}


@media (max-width: 1100px) {
  .rcpsp-summary {
    grid-template-columns: 1fr;
  }

  .rcpsp-stage {
    grid-template-columns: 1fr;
  }

  .rcpsp-visual {
    order: -1;
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--line);
    padding-top: 1rem;
  }
}

@media (max-width: 760px) {
  .rcpsp-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .rcpsp-editor-body {
    height: 620px;
  }

  .rcpsp-editor-line {
    left: 8px;
    right: 8px;
    gap: 0.25rem;
    padding: 0 0.2rem;
    font-size: 0.58rem;
    grid-template-columns: 24px 10px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .rcpsp-editor-focus,
  .rcpsp-editor-line {
    transition: none;
  }
}