/* PR development graph — Quarto embed (Mandalay Bay / Posit docs) */

.pr-graph-page #title-block-header {
  margin-bottom: 0.75rem;
}

.pr-graph-shell {
  --prg-bg: #eef0f3;
  --prg-panel: #f7f8fa;
  --prg-border: #d5d9e0;
  --prg-ink: #1f2430;
  --prg-muted: #5c6575;
  --prg-accent: #c5050c;
  --prg-edge: rgba(90, 130, 180, 0.35);
  --prg-draft: #9aa3b2;
  --prg-open: #2f6fed;
  --prg-merged: #2f9e5d;
  --prg-closed: #c0392b;
  --prg-review: #7b5cff;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--prg-ink);
  background:
    linear-gradient(180deg, #f4f6f8 0%, var(--prg-bg) 55%, #e6e9ee 100%);
  border: 1px solid var(--prg-border);
  border-radius: 0.35rem;
  overflow: hidden;
  margin: 0.5rem 0 1.5rem;
  /* Fixed viewport so the node list scrolls instead of pushing the canvas off-screen */
  height: min(78vh, 820px);
  max-height: 820px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  position: relative;
  /* Isolate from Quarto page-columns grid placement */
  grid-column: 1 / -1;
  width: 100%;
  contain: layout;
}

.pr-graph-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 1rem;
  padding: 0.65rem 0.9rem;
  border-bottom: 1px solid var(--prg-border);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(6px);
}

.pr-graph-brand {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.pr-graph-brand .dot {
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  background: var(--prg-accent);
  box-shadow: 0 0 0 3px rgba(197, 5, 12, 0.15);
}

.pr-graph-brand .meta {
  font-weight: 500;
  color: var(--prg-muted);
  font-size: 0.85rem;
}

.pr-graph-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-left: auto;
}

.pr-graph-filters button,
.pr-graph-zoom button {
  appearance: none;
  border: 1px solid var(--prg-border);
  background: #fff;
  color: var(--prg-ink);
  border-radius: 0.3rem;
  padding: 0.28rem 0.65rem;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.pr-graph-filters button:hover,
.pr-graph-zoom button:hover {
  border-color: rgba(197, 5, 12, 0.45);
  color: var(--prg-accent);
}

.pr-graph-filters button.active {
  background: rgba(197, 5, 12, 0.08);
  border-color: var(--prg-accent);
  color: var(--prg-accent);
}

.pr-graph-body {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  min-height: 0;
  min-width: 0;
  overflow: hidden;
}

.pr-graph-sidebar {
  border-right: 1px solid var(--prg-border);
  background: var(--prg-panel);
  display: flex;
  flex-direction: column;
  min-height: 0;
  min-width: 0;
  overflow: hidden;
}

.pr-graph-sidebar header {
  padding: 0.7rem 0.85rem 0.45rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--prg-muted);
  text-transform: uppercase;
}

.pr-graph-search {
  margin: 0 0.75rem 0.55rem;
  padding: 0.4rem 0.55rem;
  border: 1px solid var(--prg-border);
  border-radius: 0.3rem;
  font-size: 0.85rem;
  width: calc(100% - 1.5rem);
  background: #fff;
}

.pr-graph-list {
  overflow: auto;
  flex: 1;
  padding: 0 0.35rem 0.75rem;
}

.pr-graph-item {
  display: grid;
  grid-template-columns: 1rem 1fr;
  gap: 0.45rem;
  align-items: start;
  width: 100%;
  text-align: left;
  border: 0;
  background: transparent;
  padding: 0.4rem 0.5rem;
  border-radius: 0.3rem;
  cursor: pointer;
  color: inherit;
}

.pr-graph-item:hover,
.pr-graph-item.active {
  background: rgba(197, 5, 12, 0.07);
}

.pr-graph-item .status {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  margin-top: 0.28rem;
  border: 2px solid transparent;
  position: relative;
}

.pr-graph-item .status.MERGED {
  background: var(--prg-merged);
}
.pr-graph-item .status.OPEN {
  background: transparent;
  border-color: var(--prg-open);
}
.pr-graph-item .status.DRAFT {
  background: var(--prg-draft);
}
.pr-graph-item .status.CLOSED {
  background: var(--prg-closed);
}

.pr-graph-item .id {
  font-weight: 700;
  font-size: 0.82rem;
  color: var(--prg-accent);
}

.pr-graph-item .title {
  display: block;
  font-size: 0.8rem;
  color: var(--prg-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.pr-graph-canvas-wrap {
  position: relative;
  min-width: 0;
  min-height: 0;
  height: 100%;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 50% 40%, rgba(255, 255, 255, 0.65), transparent 60%),
    repeating-linear-gradient(
      180deg,
      transparent,
      transparent 28px,
      rgba(0, 0, 0, 0.015) 28px,
      rgba(0, 0, 0, 0.015) 29px
    );
}

.pr-graph-canvas-wrap canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
  cursor: grab;
  touch-action: none;
}

.pr-graph-canvas-wrap canvas.dragging {
  cursor: grabbing;
}

.pr-graph-tooltip {
  position: absolute;
  z-index: 5;
  pointer-events: none;
  max-width: 280px;
  padding: 0.55rem 0.7rem;
  border-radius: 0.35rem;
  background: rgba(28, 32, 40, 0.92);
  color: #fff;
  font-size: 0.8rem;
  line-height: 1.35;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.12s ease, transform 0.12s ease;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.pr-graph-tooltip.visible {
  opacity: 1;
  transform: translateY(0);
}

.pr-graph-tooltip strong {
  display: block;
  margin-bottom: 0.2rem;
}

.pr-graph-tooltip a {
  color: #ffd0d2;
  pointer-events: auto;
}

.pr-graph-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.1rem;
  padding: 0.55rem 0.85rem;
  border-top: 1px solid var(--prg-border);
  background: rgba(255, 255, 255, 0.8);
}

.pr-graph-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 0.9rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--prg-muted);
}

.pr-graph-legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.pr-graph-legend i {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  display: inline-block;
}

.pr-graph-legend i.draft { background: var(--prg-draft); }
.pr-graph-legend i.open {
  background: transparent;
  border: 2px solid var(--prg-open);
  box-sizing: border-box;
}
.pr-graph-legend i.merged { background: var(--prg-merged); }
.pr-graph-legend i.closed { background: var(--prg-closed); }

.pr-graph-timeline {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex: 1;
  min-width: 180px;
}

.pr-graph-timeline label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--prg-muted);
  white-space: nowrap;
}

.pr-graph-timeline input[type="range"] {
  flex: 1;
  accent-color: var(--prg-accent);
}

.pr-graph-timeline .date {
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
  color: var(--prg-ink);
  min-width: 5.5rem;
}

.pr-graph-zoom {
  display: flex;
  gap: 0.3rem;
  margin-left: auto;
}

.pr-graph-empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--prg-muted);
  font-size: 0.95rem;
  pointer-events: none;
}

@media (max-width: 820px) {
  .pr-graph-body {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(160px, 32%) minmax(0, 1fr);
  }

  .pr-graph-sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--prg-border);
  }

  .pr-graph-shell {
    height: min(85vh, 720px);
  }

  .pr-graph-filters {
    margin-left: 0;
  }
}