/* Light by default; dark follows the OS (prefers-color-scheme). */
:root {
  --fg: #1d1d1d;
  --fg-dim: #5f5f5f;
  --bg: #fafafa;
  --accent: #19706f;
  --card: #ffffff;
  --panel: #f2f2f2;
  --control: #ffffff;
  --control-hover: #ececec;
  --border: #d4d4d4;
  --code-bg: #efefef;
  --mark-bg: #ffe58a;
  --mark-fg: #1d1d1d;
  --error: #b3261e;
  --focus: #1a73e8;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fg: #ddd;
    --fg-dim: #9a9a9a;
    --bg: #111;
    --accent: #6aa;
    --card: #1a1a1a;
    --panel: #141414;
    --control: #1f1f1f;
    --control-hover: #2a2a2a;
    --border: #333;
    --code-bg: #181818;
    --mark-bg: #4a3d00;
    --mark-fg: #ffe066;
    --error: #ff8a80;
    --focus: #8ab4f8;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: var(--bg);
  color: var(--fg);
  margin: 0;
  line-height: 1.5;
}
a { color: var(--accent); }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.vh {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip { position: absolute; left: -999px; top: .5rem; background: var(--card); padding: .3rem .6rem; z-index: 10; }
.skip:focus { left: .5rem; }
header {
  padding: 1.5rem 2rem 0;
  border-bottom: 1px solid var(--border);
}
header h1 { margin: 0 0 .25rem; font-size: 1.25rem; font-weight: 600; }
header .sub { margin: 0 0 1rem; color: var(--fg-dim); font-size: .85rem; }
main { padding: 1.5rem 2rem; max-width: 1100px; }

/* search form */
#search { margin-bottom: 1rem; }
#search .row { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
#search input, #search button, #search select {
  font: inherit;
  background: var(--control);
  color: var(--fg);
  border: 1px solid var(--border);
  padding: .4rem .6rem;
  border-radius: 3px;
}
#search input[type="checkbox"], #search input[type="radio"] { padding: 0; accent-color: var(--accent); }
#q { flex: 1 1 18rem; min-width: 0; }
#search button { cursor: pointer; }
#search button:hover { background: var(--control-hover); }
label.inline { display: inline-flex; align-items: center; gap: .35rem; color: var(--fg-dim); font-size: .85rem; }
label.check { cursor: pointer; }
.help { margin: .4rem 0 .75rem; color: var(--fg-dim); font-size: .75rem; }
.help code { background: var(--code-bg); padding: 0 .25em; border-radius: 2px; }

.facets { display: grid; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); gap: .5rem .75rem; }
.facet { border: 1px solid var(--border); border-radius: 3px; padding: .35rem .6rem .5rem; margin: 0; min-width: 0; }
.facet legend { color: var(--fg-dim); font-size: .75rem; padding: 0 .25rem; }
.facet .opts { display: flex; flex-wrap: wrap; gap: .2rem .6rem; max-height: 9.5rem; overflow-y: auto; }
.facet-tags { grid-column: 1 / -1; }
.facet-tags .opts { max-height: 14rem; }
.opt { display: inline-flex; align-items: center; gap: .3rem; font-size: .8rem; cursor: pointer; word-break: break-word; }
.opt .count { color: var(--fg-dim); font-size: .7rem; }
.opt.zero { opacity: .45; }
.tag-mode { display: flex; gap: 1rem; font-size: .75rem; color: var(--fg-dim); margin-bottom: .3rem; }
.tag-mode label { display: inline-flex; align-items: center; gap: .3rem; cursor: pointer; }
button.linkish, #search button.linkish {
  background: none; border: 0; padding: .2rem 0; color: var(--accent);
  text-decoration: underline; cursor: pointer; font: inherit; font-size: .8rem;
}
.error { color: var(--error); font-size: .85rem; }

#search #advanced { margin-top: .75rem; color: var(--fg-dim); font-size: .8rem; }
#search #advanced summary { cursor: pointer; padding: .25rem 0; }
#search .adv-body { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: .5rem; }
#search .adv-body fieldset { border: 1px solid var(--border); border-radius: 3px; padding: .35rem .6rem .6rem; margin: 0; }
#search .adv-body legend { font-size: .75rem; }
#search .range label { display: inline-flex; align-items: center; gap: .3rem; margin-right: .5rem; }
#search .range input[type="number"] { width: 6.5rem; }
.meta-filters { flex: 1 1 22rem; }
.meta-row { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: .4rem; }
.meta-row input { flex: 1 1 6rem; min-width: 5rem; }
.meta-row select { max-width: 14rem; }
#search button.icon { padding: .2rem .55rem; }

.chips { display: flex; flex-wrap: wrap; gap: .35rem; margin-bottom: .5rem; }
.chip {
  font: inherit; font-size: .75rem; cursor: pointer;
  background: var(--panel); color: var(--fg);
  border: 1px solid var(--accent); border-radius: 999px; padding: .1rem .6rem;
}
.chip:hover { background: var(--control-hover); }

#results { display: grid; gap: .75rem; }
#results:focus { outline: none; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  padding: .75rem 1rem;
  border-radius: 3px;
  min-width: 0;
}
.card h2 { margin: 0 0 .25rem; font-size: 1rem; font-weight: 600; word-break: break-word; }
.card .desc { margin: .1rem 0 .3rem; font-size: .85rem; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.card .snippet { margin: .1rem 0 .3rem; font-size: .8rem; color: var(--fg-dim); word-break: break-word; }
mark { background: var(--mark-bg); color: var(--mark-fg); padding: 0 .1em; border-radius: 2px; }
.card .meta { color: var(--fg-dim); font-size: .8rem; word-break: break-word; }
.card .cid { font-size: .75rem; opacity: .7; word-break: break-all; }
.card audio, .card video { width: 100%; margin-top: .5rem; }
.card video { max-height: 18rem; background: #000; }
.versions { margin-top: .5rem; font-size: .8rem; }
.versions summary { cursor: pointer; color: var(--fg-dim); }
.versions ul { margin: .3rem 0 0; padding-left: 1.2rem; }
.versions li { word-break: break-all; }
.status { color: var(--fg-dim); font-style: italic; }
.empty { color: var(--fg-dim); }
.more-wrap { margin: 1rem 0; }
#more { font: inherit; cursor: pointer; background: var(--control); color: var(--fg); border: 1px solid var(--border); border-radius: 3px; padding: .45rem 1rem; }
#more:hover { background: var(--control-hover); }

.badges { display: flex; flex-wrap: wrap; gap: .35rem; margin: .15rem 0 .35rem; }
.badge {
  font-size: .7rem;
  padding: .1rem .4rem;
  border-radius: 3px;
  border: 1px solid var(--border);
  color: var(--fg-dim);
}
.badge-schema { color: var(--accent); border-color: var(--accent); }
.badge-hit { color: var(--mark-fg); background: var(--mark-bg); border-color: transparent; }
.thumbs { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .5rem; }
.thumbs img {
  height: 5rem; width: auto; max-width: 9rem;
  object-fit: cover; border: 1px solid var(--border); border-radius: 3px;
}
.filelist { list-style: none; padding: 0; margin: .5rem 0 0; }
.filelist li { padding: .15rem 0; font-size: .8rem; word-break: break-all; }
.filelist .role { color: var(--fg-dim); font-size: .72rem; }

@media (max-width: 600px) {
  header { padding: 1rem 16px 0; }
  main { padding: 1rem 16px; }
  #q { flex-basis: 100%; }
  .facets { grid-template-columns: 1fr; }
  #search .adv-body fieldset { flex: 1 1 100%; }
  .meta-row select { max-width: none; flex: 1 1 8rem; }
  .meta dt { display: block; width: auto; }
}

/* /ipfs/<cid>/ entry page */
main.entry h1 { margin-top: 0; font-size: 1.5rem; }
.meta dt {
  display: inline-block;
  width: 7rem;
  color: var(--fg-dim);
  font-size: .8rem;
}
.meta dd {
  display: inline;
  margin: 0;
  font-size: .85rem;
}
.meta dd::after { content: "\A"; white-space: pre; }
.entry audio, .entry .preview-video { width: 100%; margin: 1rem 0; }
.entry .preview-img { max-width: 100%; height: auto; margin: 1rem 0; border: 1px solid var(--border); border-radius: 3px; }
.body { margin: 1.5rem 0; }
.body h1, .body h2, .body h3 { font-weight: 600; }
.body pre, .body code {
  background: var(--code-bg);
  padding: .15em .35em;
  border-radius: 2px;
  font-size: .85em;
}
.body pre { padding: .75rem 1rem; overflow-x: auto; }
.files ul { list-style: none; padding: 0; }
.files li { padding: .25rem 0; font-size: .85rem; }
.files .role { color: var(--fg-dim); font-size: .75rem; }
.files .size { color: var(--fg-dim); font-size: .75rem; }

/* Read-aloud control (Web Speech API TTS) */
.read-aloud {
  display: flex; flex-wrap: wrap; align-items: center; gap: .5rem;
  margin: 1.25rem 0 .5rem; padding: .5rem .65rem;
  border: 1px solid var(--border); border-radius: 4px; background: var(--panel);
  font-size: .85rem;
}
.read-aloud button {
  cursor: pointer; border: 1px solid var(--border); border-radius: 3px;
  background: var(--control); color: var(--fg); padding: .3rem .6rem; font-size: .85rem;
}
.read-aloud button:hover { background: var(--control-hover); }
.read-aloud .ra-rate { color: var(--fg-dim); display: inline-flex; align-items: center; gap: .35rem; }
.read-aloud .ra-voice { max-width: 14rem; background: var(--control); color: var(--fg); border: 1px solid var(--border); border-radius: 3px; padding: .25rem; }
.read-aloud .ra-status { color: var(--fg-dim); font-size: .75rem; margin-left: auto; }

/* Word currently being spoken by read-aloud (CSS Custom Highlight API) */
::highlight(read-aloud) {
  background: var(--mark-bg);
  color: var(--mark-fg);
}