:root {
  --color-lexicon-header: #000;
  --color-lexicon-header-text: #fff;
  --color-lexicon-text: #000;
  --color-lexicon-accent: #ff4747;
}

.lexicon-section {
  padding: 16px;
  width: 100%;

  font-family: sans-serif;
  font-size: 16px;

  color: var(--color-lexicon-text);

}

.lexicon-header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;

  padding: 16px 8px;
  margin-bottom: 8px;

  background: var(--color-lexicon-header);
  color: var(--color-lexicon-header-text);
  border-radius: 16px;
}

.lexicon-header h2 {
  font-size: 20px;
  font-weight: bold;
  text-align: center;

  line-height: 1.2;
  white-space: normal;
  word-break: break-word;
  cursor: default;
}

.lexicon-body {
  display: block;
  height: 0;
  padding: 0 8px;

  opacity: 0;
  pointer-events: none;
  overflow: hidden;

  transition: opacity 0.5s ease;
}

.lexicon-body.is-active {
  opacity: 1;
  height: auto;
  pointer-events: auto;
}

.lexicon-keyword-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.keyword-card {
  padding: 12px;
  text-align: center;

  border: 1px solid var(--color-lexicon-text);
  border-radius: 8px;
  background: none;
  color: var(--color-lexicon-text);

  user-select: none;
  cursor: pointer;

  transition:
    background 0.3s ease,
    color 0.3s ease;
}

.keyword-card:hover {
  background: var(--color-lexicon-header);
  color: var(--color-lexicon-header-text);
}

.lexicon-keyword-detail {
  white-space: pre-wrap;
  line-height: 1.5;

  border: 1px solid #444;
  padding: 8px;
  border-radius: 6px;

  overflow: hidden;
  transition: max-height 0.3s ease;
}

.lexicon-detail-container {
  position: relative;
}

.lexicon-keyword-detail-gradient {
  position: absolute;
  height: 128px;

  left: 0;
  right: 0;
  bottom: 0;

  background: linear-gradient(
    to bottom,
    rgba(255,255,255,0),
    rgba(255,255,255,1)
  );
}

.lexicon-keyword-detail-overlay {
  display: none;
  position: fixed;
  inset: 0;

  background: rgba(0,0,0,0.8);
  z-index: 900;
}

.lexicon-keyword-detail-overlay.show {
  display: flex;
}

.lexicon-overlay-container {
  display: flex;
  flex-direction: column;

  height: 100%;
  width: 100%;
}

.lexicon-overlay-bar {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  
  width: 100%;
  background: var(--color-lexicon-header);
}

.lexicon-overlay-scroll {
  flex-grow: 1;
  flex-shrink: 1;
  flex-basis: 0;

  min-height: 0;
  overflow-y: auto;
  padding: 8px;

  font-size: 18px;
  background: var(--color-lexicon-header-text);
}

.lexicon-header button,
.lexicon-toggle-show-button,
.lexicon-close-button {
  display: flex;
  align-items: center;
  justify-content: center;

  cursor: pointer;
  border: 1px solid var(--color-lexicon-header-text);
  border-radius: 6px;

  transition:
    text-shadow 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease;
}

.lexicon-header button:hover,
.lexicon-header button:active,
.lexicon-toggle-show-button:hover,
.lexicon-toggle-show-button:active,
.lexicon-close-button:hover,
.lexicon-close-button:active {
  text-shadow: 0 0 16px var(--color-lexicon-accent);
  border-color: var(--color-lexicon-accent);
  color: var(--color-lexicon-accent);
}

.lexicon-header button {
  width: 32px;
  height: 32px;
  
  background: var(--color-lexicon-header);
  color: var(--color-lexicon-header-text);
}

.lexicon-toggle-show-button {
  margin-top: 8px;
  width: 100%;
  padding: 8px 0px;

  border-radius: 16px;
  background: var(--color-lexicon-header);
  color: var(--color-lexicon-header-text);
}

.lexicon-close-button {
  width: 32px;
  height: 32px;
  margin: 8px 16px;

  font-size: 32px;

  background: none;
  border: none;
  color: var(--color-lexicon-header-text);
}

@media (max-width: 700px) {
  .lexicon-section {
    padding: 8px;
  }

  .lexicon-keyword-list {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}