/* ============================================================
 * Babel Arcaea Code — Markmap Arcaea styles
 * Interactive Markdown mindmap layer for Sakurairo blogs.
 * ============================================================ */

.arcaea-markmap-box {
  position: relative;
  margin: 2rem 0;
  padding: 0;
  max-width: 100%;
  min-height: 180px;
  max-height: 82vh;
  overflow: hidden;
  border: 1px solid rgba(230, 238, 255, 0.78);
  border-radius: 10px;
  background: rgba(8, 21, 42, 0.42);
  -webkit-backdrop-filter: blur(12px) saturate(130%);
  backdrop-filter: blur(12px) saturate(130%);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.arcaea-markmap-toolbar {
  position: absolute;
  top: 10px;
  right: 12px;
  z-index: 3;
  display: flex;
  gap: 8px;
  pointer-events: auto;
}

.arcaea-markmap-toolbar button {
  border: 1px solid rgba(230, 238, 255, 0.22);
  border-radius: 999px;
  padding: 5px 11px;
  background: rgba(8, 12, 20, 0.72);
  color: rgba(238, 244, 255, 0.94);
  font-family: "FiraCode Nerd Font", "Fira Code", "JetBrains Mono", Consolas, monospace;
  font-size: 12px;
  cursor: pointer;
  -webkit-backdrop-filter: blur(10px) saturate(130%);
  backdrop-filter: blur(10px) saturate(130%);
  -webkit-transition: background-color 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
  transition: background-color 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
}

.arcaea-markmap-toolbar button:hover {
  border-color: rgba(138, 216, 255, 0.58);
  background: rgba(139, 167, 255, 0.16);
}

.arcaea-markmap-diagram {
  display: block;
  width: 100%;
  height: min(72vh, 720px);
  min-height: 240px;
}

.arcaea-markmap-source {
  display: none !important;
}

.arcaea-markmap-diagram svg,
.arcaea-markmap-diagram .markmap {
  width: 100%;
  height: 100%;
  background: transparent;
  font-family: "FiraCode Nerd Font", "Fira Code", "JetBrains Mono", "Noto Sans SC", sans-serif;
}

.arcaea-markmap-diagram svg text {
  fill: rgba(238, 244, 255, 0.94) !important;
  font-family: "FiraCode Nerd Font", "Fira Code", "JetBrains Mono", "Noto Sans SC", sans-serif !important;
  font-weight: 500;
}

.arcaea-markmap-diagram svg path {
  stroke: rgba(160, 220, 255, 0.62);
}

.arcaea-markmap-diagram svg circle {
  fill: rgba(157, 180, 255, 0.86);
  stroke: rgba(230, 238, 255, 0.72);
}

.arcaea-markmap-diagram .markmap-link {
  stroke: rgba(160, 220, 255, 0.58) !important;
}

.arcaea-markmap-diagram .markmap-node>circle {
  cursor: pointer;
}

.arcaea-markmap-empty,
.arcaea-markmap-error {
  padding: 1.25rem 1.5rem;
  color: rgba(238, 244, 255, 0.72);
  font-family: "Noto Sans SC", "Microsoft YaHei", -apple-system, sans-serif;
}

.arcaea-markmap-error {
  color: rgba(255, 178, 178, 0.92);
}

@media (max-width: 768px) {
  .arcaea-markmap-box {
    min-height: 380px;
    max-height: 70vh;
  }

  .arcaea-markmap-diagram {
    height: 66vh;
    min-height: 380px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .arcaea-markmap-toolbar button {
    transition: none !important;
  }
}

/* ── Pre-rendered (static SVG) markmap ── */

.arcaea-markmap-box.arcaea-markmap-prerendered {
  min-height: auto;
  overflow: visible;
  background: transparent;
  border: none;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.arcaea-markmap-box.arcaea-markmap-prerendered svg.arcaea-markmap-diagram {
  display: block;
  width: 100%;
  height: auto;
  min-height: 0;
  max-height: none;
}