/* Formula function reference (docs/users/formulas/functions.md).
   Card layout mirroring the polars-expr-transformer playground. */

.fn-search {
  width: 100%;
  padding: 0.6rem 1rem;
  margin: 0.5rem 0 0.9rem;
  font-size: 0.75rem;
  font-family: var(--md-text-font-family);
  color: var(--md-default-fg-color);
  background: var(--md-default-bg-color);
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.6rem;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.fn-search:focus {
  outline: none;
  border-color: var(--md-primary-fg-color);
}

.fn-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.2rem;
}

.fn-chip {
  padding: 0.22rem 0.85rem;
  font-size: 0.68rem;
  font-family: var(--md-text-font-family);
  color: var(--md-default-fg-color--light);
  background: var(--md-default-bg-color);
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 2rem;
  cursor: pointer;
}

.fn-chip span {
  opacity: 0.55;
  margin-left: 0.1rem;
}

.fn-chip:hover {
  border-color: var(--md-primary-fg-color--light);
  color: var(--md-primary-fg-color);
}

.fn-chip.active {
  color: var(--md-primary-fg-color);
  border-color: var(--md-primary-fg-color);
  font-weight: 700;
}

.fn-category {
  scroll-margin-top: 4rem;
}

.md-typeset .fn-category h2 {
  color: var(--md-primary-fg-color);
  font-weight: 700;
  margin: 1.6em 0 0.8em;
}

.fn-category .fn-count {
  font-weight: 400;
  color: var(--md-default-fg-color--light);
  font-size: 0.85em;
}

.fn-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
  gap: 0.9rem;
}

.fn-card {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.7rem;
  background: var(--md-default-bg-color);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  scroll-margin-top: 4rem;
}

.fn-card:target {
  border-color: var(--md-primary-fg-color);
}

/* The filtering JS toggles the `hidden` attribute; without this rule the
   display values above would override the browser's [hidden] handling. */
.fn-card[hidden],
.fn-category[hidden] {
  display: none;
}

.fn-card header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
}

.md-typeset .fn-sig {
  padding: 0;
  background: none;
  font-weight: 700;
  font-size: 0.72rem;
  color: var(--md-primary-fg-color);
  word-break: break-word;
}

.md-typeset .fn-try {
  flex-shrink: 0;
  padding: 0.1rem 0.55rem;
  font-size: 0.62rem;
  white-space: nowrap;
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.45rem;
  color: var(--md-typeset-a-color);
}

.md-typeset .fn-try:hover {
  border-color: var(--md-accent-fg-color);
  color: var(--md-accent-fg-color);
}

.md-typeset .fn-desc {
  margin: 0;
  font-size: 0.68rem;
  color: var(--md-default-fg-color);
}

.fn-example {
  padding: 0.5rem 0.7rem;
  font-size: 0.66rem;
  line-height: 1.5;
  background: var(--md-code-bg-color);
  border: 1px solid var(--md-default-fg-color--lightest);
  border-radius: 0.5rem;
  font-family: var(--md-code-font-family);
}

.md-typeset .fn-example code {
  padding: 0;
  background: none;
}

.fn-arrow {
  color: var(--md-default-fg-color--light);
}

.md-typeset .fn-result {
  color: #2e9e5b;
}

[data-md-color-scheme="slate"] .md-typeset .fn-result {
  color: #6fd596;
}

.fn-ctx {
  display: block;
  margin-top: 0.1rem;
  color: var(--md-default-fg-color--light);
}

/* Reset Material's admonition-style <details> inside cards to a plain
   text disclosure, like the playground. */
.md-typeset .fn-card details.fn-params {
  display: block;
  margin: auto 0 0;
  padding: 0;
  border: none;
  border-radius: 0;
  background: none;
  box-shadow: none;
  font-size: 0.62rem;
}

.md-typeset .fn-card .fn-params > summary {
  display: block;
  margin: 0;
  padding: 0;
  min-height: 0;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.62rem;
  color: var(--md-default-fg-color--light);
}

.md-typeset .fn-card .fn-params > summary:hover {
  color: var(--md-primary-fg-color);
}

.md-typeset .fn-card .fn-params > summary::before,
.md-typeset .fn-card .fn-params > summary::after {
  display: none;
}

.md-typeset .fn-card .fn-params > summary::-webkit-details-marker {
  display: none;
}

.fn-toggle {
  display: inline-block;
  transition: transform 0.15s;
}

.fn-params[open] .fn-toggle {
  transform: rotate(90deg);
}

.md-typeset .fn-card .fn-params ul {
  margin: 0.4em 0 0;
  padding-left: 1.1em;
  font-size: 0.62rem;
  color: var(--md-default-fg-color--light);
  list-style: disc;
}

.md-typeset .fn-card .fn-params li {
  margin: 0 0 0.2em;
}

.md-typeset .fn-no-results {
  font-size: 0.75rem;
  color: var(--md-default-fg-color--light);
  font-style: italic;
}