.mindmap-mode-switch {
  display: inline-flex;
  gap: 0.2rem;
  margin: 0 0 1.25rem;
  padding: 0.22rem;
  border: 1px solid var(--hr-border);
  border-radius: 0.75rem;
  background: var(--btn-bg);
  box-shadow: 0 2px 8px rgba(7, 17, 27, 0.08);
}

.mindmap-mode-switch__item {
  padding: 0.42rem 0.85rem;
  border-radius: 0.55rem;
  color: var(--font-color);
  font-size: 0.86rem;
  line-height: 1.4;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.mindmap-mode-switch__item:hover {
  background: var(--text-bg-hover);
  color: var(--text-highlight-color);
}

.mindmap-mode-switch__item.is-active {
  background: var(--card-bg);
  color: var(--text-highlight-color);
  font-weight: 600;
  box-shadow: 0 1px 5px rgba(7, 17, 27, 0.14);
}

.layout.mindmap-layout.hide-aside {
  width: min(96%, 1600px);
  max-width: 1600px;
}

.layout.mindmap-layout > #post {
  width: 100%;
  padding: 1.4rem;
}

.mindmap-reader {
  position: relative;
  overflow: hidden;
  width: 100%;
  border: 1px solid var(--hr-border);
  border-radius: 10px;
  background: var(--card-bg);
}

.mindmap-toolbar {
  display: flex;
  position: relative;
  z-index: 2;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: 3rem;
  padding: 0.55rem 0.7rem;
  border-bottom: 1px solid var(--hr-border);
  background: var(--card-bg);
}

.mindmap-toolbar__hint {
  margin: 0;
  color: var(--font-color);
  font-size: 0.78rem;
  opacity: 0.78;
}

.mindmap-toolbar__actions {
  display: flex;
  flex-shrink: 0;
  gap: 0.38rem;
}

.mindmap-tool {
  min-width: 2.2rem;
  min-height: 2.1rem;
  padding: 0.34rem 0.62rem;
  border: 1px solid var(--hr-border);
  border-radius: 0.5rem;
  background: var(--btn-bg);
  color: var(--font-color);
  font: inherit;
  font-size: 0.78rem;
  line-height: 1;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.mindmap-tool:hover,
.mindmap-tool:focus-visible {
  background: var(--text-bg-hover);
  color: var(--text-highlight-color);
  outline: none;
}

.mindmap-tool:active {
  transform: translateY(1px);
}

.mindmap-depth-control {
  display: inline-flex;
  align-items: stretch;
  overflow: hidden;
  min-height: 2.1rem;
  border: 1px solid var(--hr-border);
  border-radius: 0.5rem;
  background: var(--btn-bg);
  color: var(--font-color);
  font-size: 0.78rem;
  line-height: 1;
  white-space: nowrap;
}

.mindmap-depth-control > span {
  display: inline-flex;
  align-items: center;
  padding: 0.34rem 0.38rem;
}

.mindmap-depth-select,
.mindmap-depth-apply {
  border: 0;
  border-left: 1px solid var(--hr-border);
  background: var(--card-bg);
  color: var(--font-color);
  font: inherit;
  cursor: pointer;
}

.mindmap-depth-select {
  min-width: 3.4rem;
  padding: 0.3rem;
  text-align: center;
}

.mindmap-depth-select option {
  background: var(--card-bg);
  color: var(--font-color);
}

.mindmap-depth-apply {
  padding: 0.34rem 0.58rem;
}

.mindmap-depth-select:hover,
.mindmap-depth-select:focus-visible,
.mindmap-depth-apply:hover,
.mindmap-depth-apply:focus-visible {
  background: var(--text-bg-hover);
  color: var(--text-highlight-color);
  outline: none;
}

.mindmap-depth-select:disabled,
.mindmap-depth-apply:disabled {
  cursor: wait;
  opacity: 0.65;
}

.mindmap-canvas {
  position: relative;
  width: 100%;
  height: 75vh;
  min-height: 560px;
  background-image: radial-gradient(circle, rgba(127, 127, 127, 0.13) 1px, transparent 1px);
  background-size: 22px 22px;
}

#mindmap-svg {
  display: block;
  width: 100%;
  height: 100%;
  color: var(--font-color);
  cursor: grab;
  touch-action: none;
  --markmap-a-color: #1683c4;
  --markmap-a-hover-color: #49b1f5;
  --markmap-code-bg: var(--btn-bg);
  --markmap-code-color: var(--font-color);
  --markmap-circle-open-bg: var(--card-bg);
  --markmap-highlight-bg: var(--blockquote-bg);
  --markmap-text-color: var(--font-color);
}

#mindmap-svg:active {
  cursor: grabbing;
}

#mindmap-svg .markmap-foreign,
#mindmap-svg .markmap-foreign > div,
#mindmap-svg .markmap-foreign > div > div {
  max-width: 320px;
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: break-word;
}

#mindmap-svg .markmap-foreign img {
  display: block;
  width: auto;
  height: auto;
  max-width: 240px;
  max-height: 180px;
  margin-top: 0.3rem;
  object-fit: contain;
}

.mindmap-status {
  position: absolute;
  top: 50%;
  left: 50%;
  margin: 0;
  padding: 0.65rem 0.9rem;
  border-radius: 0.6rem;
  background: var(--btn-bg);
  color: var(--font-color);
  font-size: 0.85rem;
  transform: translate(-50%, -50%);
}

.mindmap-reader.is-error .mindmap-status {
  color: #d9534f;
}

.mindmap-noscript {
  margin: 0;
  padding: 0.8rem;
  color: var(--font-color);
}

.mindmap-reader:fullscreen {
  width: 100vw;
  height: 100vh;
  border: 0;
  border-radius: 0;
  background: var(--global-bg);
}

.mindmap-reader:fullscreen .mindmap-canvas {
  height: calc(100vh - 3.2rem);
  min-height: 0;
}

[data-theme='dark'] #mindmap-svg {
  --markmap-a-color: #60b8e8;
  --markmap-a-hover-color: #8fd3f4;
}

@media (max-width: 768px) {
  .layout.mindmap-layout > #post {
    padding: 0.8rem 0.55rem !important;
  }

  .mindmap-mode-switch {
    margin-bottom: 0.85rem;
  }

  .mindmap-toolbar {
    align-items: flex-end;
    flex-direction: column;
  }

  .mindmap-toolbar__hint {
    align-self: flex-start;
  }

  .mindmap-toolbar__actions {
    flex-wrap: wrap;
    width: 100%;
  }

  .mindmap-tool {
    flex: 1;
    padding-right: 0.38rem;
    padding-left: 0.38rem;
  }

  .mindmap-depth-control {
    flex: 1 0 100%;
    width: 100%;
  }

  .mindmap-depth-select {
    flex: 1;
  }

  .mindmap-canvas {
    height: 68vh;
    min-height: 420px;
  }

  #mindmap-svg .markmap-foreign,
  #mindmap-svg .markmap-foreign > div,
  #mindmap-svg .markmap-foreign > div > div {
    max-width: 260px;
  }

  #mindmap-svg .markmap-foreign img {
    max-width: 200px;
    max-height: 150px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mindmap-mode-switch__item,
  .mindmap-tool {
    transition: none;
  }
}