/* Search: the button in the bar and the dialog it opens (site.js builds the dialog).
 *
 * The dialog is one square panel over a blurred, darkened page: the input on top, a status
 * line, the results grouped by kind, and the keys at the foot. The active result carries the
 * liquid's bar on its left edge; matched words are lit in turquoise. It rises in like every
 * other surface (motion.css stops it under reduced motion), and it fits a 320 pixel screen. */

/* The button: a square key in the bar. On a narrow screen only its icon shows; its label stays
 * for assistive technology. The shortcut shows only where there is a keyboard to press it. */
.nav__search {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  min-block-size: 2.25rem;
  min-inline-size: 2.25rem;
  padding: 0 var(--space-sm);
  border: var(--rule-hair) solid var(--color-rule-2);
  background:
    linear-gradient(180deg, var(--color-gloss) 0%, transparent 100%),
    var(--color-paper-2);
  box-shadow: inset 0 1px 0 var(--color-gloss-edge);
  color: var(--color-ink-2);
  font: inherit;
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition:
    border-color var(--dur-short) var(--ease-out),
    color var(--dur-short) var(--ease-out),
    transform var(--dur-short) var(--ease-out);
}

.nav__search-icon,
.search__icon {
  flex: none;
  inline-size: 1rem;
  block-size: 1rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
}

.nav__kbd {
  padding: 0.2em 0.4em;
  border: var(--rule-hair) solid var(--color-rule-2);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  line-height: 1;
}

@media (hover: hover) and (pointer: fine) {
  .nav__search:hover {
    border-color: var(--color-accent);
    color: var(--color-ink);
    transform: translateY(var(--nudge));
  }
}

.nav__search:active {
  transform: translateY(var(--press));
}

@media (max-width: 47.99rem) {
  .nav__search {
    padding: 0;
  }

  .nav__search-label {
    position: absolute;
    inline-size: 1px;
    block-size: 1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
  }
}

@media (max-width: 47.99rem), (hover: none), (pointer: coarse) {
  .nav__kbd {
    display: none;
  }
}

/* The dialog. */

.search,
.search kbd {
  font-variant-ligatures: none;
}

html:has(.search[open]) {
  overflow: hidden;
}

.search {
  --search-top: clamp(1rem, 10vh, 6rem);

  inline-size: min(40rem, 100vw - 2rem);
  max-inline-size: none;
  max-block-size: min(40rem, 100dvh - var(--search-top) - 1rem);
  margin: var(--search-top) auto auto;
  padding: 0;
  overflow: hidden;
  border: var(--rule-hair) solid var(--color-rule-2);
  background:
    linear-gradient(180deg, var(--color-gloss) 0%, transparent 30%),
    radial-gradient(120% 60% at 0% 0%, var(--color-card-emit) 0%, transparent 60%),
    var(--color-paper-2);
  box-shadow:
    inset 0 1px 0 var(--color-gloss-edge),
    0 40px 80px -30px var(--color-shadow),
    0 0 0 1px var(--color-shade);
  color: var(--color-ink-2);
}

.search[open] {
  display: flex;
  flex-direction: column;
}

.search::backdrop {
  background: oklch(6% 0.014 245 / 0.62);
  -webkit-backdrop-filter: blur(6px) saturate(120%);
  backdrop-filter: blur(6px) saturate(120%);
}

.search__bar {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-sm) var(--space-sm) var(--space-md);
  border-block-end: var(--rule-hair) solid var(--color-rule);
  color: var(--color-accent);
}

/* Sixteen pixels at least, so a phone does not zoom in on focus. */
.search__input {
  flex: 1;
  min-width: 0;
  min-block-size: 2.25rem;
  padding: 0;
  border: 0;
  outline: 0;
  background: none;
  color: var(--color-ink);
  font: inherit;
  font-size: max(1rem, var(--text-md));
  caret-color: var(--color-accent);
}

.search__input::placeholder {
  color: var(--color-muted);
  opacity: 1;
}

.search__close {
  flex: none;
  min-block-size: 2rem;
  min-inline-size: 2.75rem;
  padding: 0 var(--space-xs);
  border: var(--rule-hair) solid var(--color-rule-2);
  background: var(--color-paper);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--text-micro);
  cursor: pointer;
}

.search__close:hover {
  border-color: var(--color-accent);
  color: var(--color-ink);
}

.search__close-word {
  display: none;
}

@media (hover: none), (pointer: coarse) {
  .search__close-key {
    display: none;
  }

  .search__close-word {
    display: inline;
  }
}

.search__status {
  padding: var(--space-sm) var(--space-md) 0;
  color: var(--color-muted);
  font-size: var(--text-sm);
}

.search__status:empty {
  display: none;
}

.search__results {
  flex: 1;
  min-block-size: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 0 var(--space-xs) var(--space-sm);
}

.search__results:empty {
  display: none;
}

.search__group {
  display: grid;
  padding-block-start: var(--space-sm);
}

.search__label {
  display: flex;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-2xs) var(--space-sm);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--text-micro);
}

.search__hit {
  position: relative;
  display: grid;
  gap: var(--space-3xs);
  min-width: 0;
  padding: var(--space-xs) var(--space-sm) var(--space-xs) var(--space-md);
  color: var(--color-ink-2);
  text-decoration: none;
  scroll-margin-block: var(--space-xl) var(--space-sm);
}

/* The liquid's bar beside the result the keys point at. */
.search__hit::before {
  content: "";
  position: absolute;
  inset-block: var(--space-2xs);
  inset-inline-start: var(--space-3xs);
  inline-size: 2px;
  background: var(--fill-liquid);
  box-shadow: 0 0 10px 0 var(--color-glow);
  opacity: 0;
  transform: scaleY(0.4);
  transition:
    opacity var(--dur-micro) var(--ease-out),
    transform var(--dur-short) var(--ease-out);
}

.search__hit.is-active {
  background: var(--color-card-lit);
}

.search__hit.is-active::before {
  opacity: 1;
  transform: none;
}

.search__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-sm);
  min-width: 0;
}

.search__title {
  min-width: 0;
  overflow: hidden;
  color: var(--color-ink);
  font-weight: 500;
  white-space: nowrap;
  text-overflow: ellipsis;
}

/* An API title is its owner's path, then its name: the path gives way first, so the name
 * shows whole for as long as it fits. */
.search__hit--api .search__title {
  display: flex;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

.search__path,
.search__name {
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.search__path {
  flex: 0 1 auto;
  color: var(--color-muted);
  font-weight: 400;
}

.search__name {
  flex: 0 0.001 auto;
}

.search__meta {
  display: inline-flex;
  flex: none;
  min-width: 0;
  gap: var(--space-2xs);
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--text-micro);
}

/* Where a Learn or home page result sits gives way before its title does. */
.search__hit--learn .search__meta,
.search__hit--site .search__meta {
  flex: 0 1 auto;
}

.search__where {
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.search__kind {
  padding: 0.1em 0.45em;
  border: var(--rule-hair) solid var(--color-rule-2);
  color: var(--color-accent);
}

.search__kind--platform {
  color: var(--color-accent-3);
}

.search__sig,
.search__text {
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.search__sig {
  color: var(--color-syn-function);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
}

.search__text {
  color: var(--color-muted);
  font-size: var(--text-sm);
}

/* On a phone a result's text takes two lines rather than one. */
@media (max-width: 29.99rem) {
  .search__text {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    white-space: normal;
    overflow-wrap: anywhere;
  }

  .search__head {
    flex-wrap: wrap;
    row-gap: var(--space-3xs);
  }
}

.search mark {
  background: oklch(82% 0.13 188 / 0.16);
  box-shadow: inset 0 -1px 0 var(--color-accent);
  color: var(--color-ink);
}

.search__more {
  color: var(--color-accent);
  font-size: var(--text-sm);
  cursor: pointer;
}

.search__help {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2xs) var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  border-block-start: var(--rule-hair) solid var(--color-rule);
  color: var(--color-muted);
  font-size: var(--text-xs);
}

.search__help kbd {
  padding: 0.1em 0.4em;
  border: var(--rule-hair) solid var(--color-rule-2);
  font-family: var(--font-mono);
  font-size: var(--text-micro);
}

.search__help kbd + kbd {
  margin-inline-start: calc(-1 * var(--space-2xs));
}

@media (hover: none), (pointer: coarse) {
  .search__help {
    display: none;
  }
}

/* It rises in as every surface does, over a backdrop that fades up. */
.search[open] {
  animation: rise-in var(--dur-short) var(--ease-out);
}

.search[open]::backdrop {
  animation: fade-in var(--dur-short) var(--ease-out);
}