/*
 * Interactive Mindmap Styles
 * -----------------------------------------------------------------------------
 * Works across all three course sites by using CSS custom-property fallbacks
 * (forest/ivory/terracotta on bioscience, blue/orange on combined, dark
 * navy/orange on PMC1101). Drop this file into each site's css/ folder.
 */

.mindmap-section {
  margin: 3rem 0;
  border: var(--border-width, 1px) solid
    var(--border-color-strong, var(--border-color, #333));
  border-radius: 8px;
  background: var(--bg-surface, var(--bg-secondary, #fff));
  box-shadow: 0 2px 0 var(--border-color-strong, rgba(0, 0, 0, 0.12));
  overflow: hidden;
}

.mindmap-section-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color, #ccc);
  background: var(--bg-secondary, var(--forest, #1a3a2a));
  color: var(--text-inverse, #f5f0e8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.mindmap-section-header h2 {
  margin: 0;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
}

.mindmap-section-header .mindmap-hint {
  font-size: 0.85rem;
  opacity: 0.85;
}

.mindmap-toolbar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.mindmap-toolbar button,
.mindmap-toolbar select {
  border: 1px solid var(--border-color, #555);
  background: var(--bg-primary, #fff);
  color: var(--text-primary, #111);
  padding: 0.4rem 0.75rem;
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  border-radius: 4px;
}

.mindmap-toolbar button:hover {
  background: var(--accent-primary, var(--terracotta, #c45d3e));
  color: var(--text-inverse, #fff);
  border-color: var(--accent-primary, var(--terracotta, #c45d3e));
}

/* ---------- layout: canvas + slide-over panel ---------- */
.mindmap-body {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  min-height: 580px;
}

.mindmap-canvas {
  position: relative;
  width: 100%;
  height: 620px;
  background:
    radial-gradient(
      circle at 50% 50%,
      var(--bg-surface, #fafafa) 0%,
      var(--bg-secondary, #f0ebe0) 80%
    );
  overflow: hidden;
  cursor: grab;
}
.mindmap-canvas:active {
  cursor: grabbing;
}

.mindmap-canvas.mindmap-loading {
  display: flex;
  align-items: center;
  justify-content: center;
}

.mindmap-loading-text,
.mindmap-error {
  color: var(--text-secondary, #555);
  font-style: italic;
}

.mindmap-svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* ---------- links ---------- */
.mindmap-link {
  fill: none;
  stroke: var(--border-color-strong, var(--moss, #5a7a5e));
  stroke-opacity: 0.55;
  stroke-width: 1.4;
  transition: stroke 0.2s, stroke-opacity 0.2s;
}
.mindmap-link.depth-1 {
  stroke-width: 2;
  stroke-opacity: 0.75;
}
.mindmap-link.depth-2 {
  stroke-width: 1.5;
}
.mindmap-link.depth-3 {
  stroke-width: 1;
  stroke-dasharray: 2 3;
  stroke-opacity: 0.45;
}

/* ---------- nodes ---------- */
.mindmap-node {
  cursor: pointer;
  outline: none;
}
.mindmap-node circle {
  fill: var(--bg-primary, #fff);
  stroke: var(--border-color-strong, var(--ink, #2a4858));
  stroke-width: 2;
  transition:
    fill 0.18s,
    stroke 0.18s,
    r 0.18s;
}
.mindmap-node:hover circle,
.mindmap-node:focus circle {
  fill: var(--accent-secondary, var(--gold, #d4a853));
  stroke: var(--accent-primary, var(--terracotta, #c45d3e));
}

.mindmap-node.depth-0 circle {
  fill: var(--accent-primary, var(--terracotta, #c45d3e));
  stroke: var(--text-primary, #222);
  stroke-width: 3;
}
.mindmap-node.depth-1 circle {
  fill: var(--moss, var(--bio-primary, #2563eb));
  stroke: var(--text-primary, #111);
}
.mindmap-node.depth-2 circle {
  fill: var(--accent-secondary, var(--gold, #d4a853));
  stroke: var(--border-color-strong, #555);
}
.mindmap-node.kind-term circle {
  fill: var(--success, #3a7a4a);
  stroke: var(--text-primary, #111);
}
.mindmap-node.kind-term:hover circle {
  fill: var(--accent-primary, var(--terracotta, #c45d3e));
}
.mindmap-node.collapsed circle {
  stroke-dasharray: 2 2;
}

.mindmap-label {
  font-family:
    "JetBrains Mono", "Source Serif 4", "Courier New", ui-monospace, monospace;
  font-size: 11px;
  fill: var(--text-primary, #222);
  pointer-events: none;
  paint-order: stroke;
  stroke: var(--bg-surface, #fff);
  stroke-width: 3.5px;
  stroke-linejoin: round;
}
.mindmap-node.depth-0 .mindmap-label {
  font-size: 14px;
  font-weight: 700;
}
.mindmap-node.depth-1 .mindmap-label {
  font-size: 12.5px;
  font-weight: 600;
}

/* ---------- detail panel (slide-over) ---------- */
.mindmap-panel {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: min(420px, 90%);
  background: var(--bg-primary, var(--ivory, #f5f0e8));
  border-left: 2px solid var(--border-color-strong, #333);
  box-shadow: -6px 0 20px rgba(0, 0, 0, 0.18);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.28s ease;
  z-index: 3;
  padding: 1.5rem 1.25rem 2rem;
  color: var(--text-primary, #222);
}
.mindmap-panel.open {
  transform: translateX(0);
}

.mindmap-panel-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: transparent;
  border: 1px solid var(--border-color, #aaa);
  color: var(--text-primary, #222);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
}
.mindmap-panel-close:hover {
  background: var(--accent-primary, var(--terracotta, #c45d3e));
  color: var(--text-inverse, #fff);
  border-color: var(--accent-primary, var(--terracotta, #c45d3e));
}

.mindmap-panel-kind {
  font-family:
    "JetBrains Mono", ui-monospace, "Courier New", monospace;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-muted, var(--text-tertiary, #777));
  margin-bottom: 0.25rem;
}

.mindmap-panel-title {
  margin: 0 0 0.5rem;
  font-size: 1.55rem;
  line-height: 1.2;
  color: var(--accent-primary, var(--terracotta, #c45d3e));
}

.mindmap-panel-pron {
  font-style: italic;
  color: var(--text-secondary, #555);
  margin: 0 0 1rem;
  font-size: 0.95rem;
}

.mindmap-panel-image {
  position: relative;
  margin: 0 0 1.25rem;
  border: 1px solid var(--border-color, #ccc);
  background: var(--bg-secondary, #eee);
  border-radius: 6px;
  overflow: hidden;
  aspect-ratio: 16/10;
}
.mindmap-panel-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.mindmap-panel-image-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted, #888);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  opacity: 0;
}
.mindmap-panel-image.placeholder .mindmap-panel-image-fallback,
.mindmap-panel-image.broken .mindmap-panel-image-fallback {
  opacity: 1;
}
.mindmap-panel-image.broken img {
  display: none;
}

.mindmap-panel-video {
  position: relative;
  margin: 0 0 1.25rem;
  border: 2px solid var(--accent-color, #00ff00);
  background: #000;
  border-radius: 6px;
  overflow: hidden;
}
.mindmap-panel-video video {
  display: block;
  width: 100%;
  height: auto;
  background: #1c1c1c;
}
.mindmap-panel-video-caption {
  padding: 0.4rem 0.7rem;
  background: var(--bg-secondary, #111);
  color: var(--accent-color, #00ff00);
  font-family: "JetBrains Mono", "Courier New", monospace;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-top: 1px solid var(--border-color, #333);
}

.mindmap-panel-section {
  margin: 0 0 1.15rem;
  padding-bottom: 1rem;
  border-bottom: 1px dashed var(--border-color, #ccc);
}
.mindmap-panel-section:last-child {
  border-bottom: none;
}
.mindmap-panel-section h3 {
  margin: 0 0 0.4rem;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  color: var(--text-primary, #222);
}
.mindmap-panel-section p {
  margin: 0;
  line-height: 1.55;
  font-size: 0.95rem;
  color: var(--text-secondary, #444);
}

.mindmap-panel-section.simplified {
  background: var(--success-bg, rgba(58, 122, 74, 0.08));
  padding: 0.75rem 0.85rem;
  border-radius: 4px;
  border-bottom: none;
}
.mindmap-panel-section.complex {
  background: var(--warning-bg, rgba(212, 168, 83, 0.1));
  padding: 0.75rem 0.85rem;
  border-radius: 4px;
  border-bottom: none;
}
.mindmap-panel-section.clinical {
  background: var(--error-bg, rgba(168, 50, 50, 0.08));
  padding: 0.75rem 0.85rem;
  border-radius: 4px;
  border-bottom: none;
}

.mindmap-related-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.mindmap-related-list li {
  background: var(--bg-secondary, #eee);
  border: 1px solid var(--border-color, #bbb);
  color: var(--text-primary, #222);
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-family:
    "JetBrains Mono", ui-monospace, "Courier New", monospace;
  text-transform: capitalize;
}

/* ---------- responsive ---------- */
@media (max-width: 720px) {
  .mindmap-canvas {
    height: 520px;
  }
  .mindmap-panel {
    width: 100%;
    border-left: none;
    border-top: 2px solid var(--border-color-strong, #333);
  }
}

@media (prefers-reduced-motion: reduce) {
  .mindmap-panel,
  .mindmap-node circle,
  .mindmap-link {
    transition: none;
  }
}