/* Light is the default: much of the Modelica documentation embeds images drawn
   for a white page. Dark is opt-in and puts a white mat behind those images. */
:root,
:root[data-theme="light"] {
  color-scheme: light;
  --bg: #ffffff;
  --bg-soft: #f6f7f9;
  --bg-code: #f2f4f7;
  --bg-sidebar: #fafbfc;
  --fg: #1d2127;
  --fg-soft: #5b6472;
  --accent: #a6231f;
  --border: #d9dde3;
  --link: #0b5ea8;
  --hover: #eef1f5;
  --mat: transparent;
  --measure: 46rem;
  --sidebar: 19rem;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #14171b;
  --bg-soft: #1b1f25;
  --bg-code: #1f242b;
  --bg-sidebar: #171b20;
  --fg: #e4e7ec;
  --fg-soft: #a2acba;
  --accent: #ef8a86;
  --border: #2c323a;
  --link: #6fb3f2;
  --hover: #232830;
  --mat: #ffffff;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;
    --bg: #14171b;
    --bg-soft: #1b1f25;
    --bg-code: #1f242b;
    --bg-sidebar: #171b20;
    --fg: #e4e7ec;
    --fg-soft: #a2acba;
    --accent: #ef8a86;
    --border: #2c323a;
    --link: #6fb3f2;
    --hover: #232830;
    --mat: #ffffff;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── shell ────────────────────────────────────────────────────────────────── */

.om-shell { display: flex; align-items: flex-start; }

.om-sidebar {
  flex: 0 0 var(--sidebar);
  width: var(--sidebar);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 0.9rem 0.6rem 2rem;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
}

.om-content { flex: 1 1 auto; min-width: 0; }

.om-brand {
  display: block;
  padding: 0 0.4rem 0.7rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--fg);
}

.om-search {
  width: 100%;
  padding: 0.4rem 0.6rem;
  font: inherit;
  font-size: 0.9rem;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.om-search:focus { outline: 2px solid var(--link); outline-offset: -1px; }

.om-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 1.25rem;
}

.om-iconbutton {
  flex: none;
  width: 2rem;
  height: 2rem;
  font-size: 1rem;
  line-height: 1;
  color: var(--fg-soft);
  background: none;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
}

.om-iconbutton:hover { background: var(--hover); border-color: var(--border); }

#om-sidebar-toggle { display: none; }
#om-theme { margin-left: auto; }

.om-crumbs {
  flex: 1 1 auto;
  min-width: 0;
  font: 0.85rem/1.5 ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  word-break: break-word;
}

.om-crumbs .om-sep { color: var(--fg-soft); }
.om-crumbs .om-current { color: var(--accent); font-weight: 600; }

main {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 1.5rem 1.25rem 4rem;
}

/* ── tree ─────────────────────────────────────────────────────────────────── */

.om-nav { margin-top: 0.8rem; font-size: 0.85rem; }

.om-tree { list-style: none; margin: 0; padding: 0; }
.om-tree .om-tree { padding-left: 0.85rem; }
.om-collapsed { display: none; }

.om-row {
  display: flex;
  align-items: baseline;
  gap: 0.15rem;
  border-radius: 5px;
  padding: 0.05rem 0.2rem;
}

.om-row:hover { background: var(--hover); }

.om-row > a {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--fg);
  padding: 0.1rem 0;
}

.om-row > a.om-here { color: var(--accent); font-weight: 600; }

.om-twisty {
  flex: none;
  width: 1.1rem;
  font-size: 0.65rem;
  line-height: 1;
  color: var(--fg-soft);
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0;
}

.om-twisty:disabled { cursor: default; opacity: 0; }

.om-tree-version { flex: none; font-size: 0.7rem; color: var(--fg-soft); }

.om-loading { color: var(--fg-soft); font-size: 0.8rem; padding: 0.3rem 0.4rem; margin: 0; }

/* ── search results ───────────────────────────────────────────────────────── */

.om-results-heading {
  margin: 1rem 0 0.3rem;
  padding: 0 0.2rem;
  font-size: 0.7rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--fg-soft);
  border: 0;
}

.om-results { list-style: none; margin: 0; padding: 0; }

.om-results a {
  display: block;
  padding: 0.3rem 0.4rem;
  border-radius: 5px;
  color: var(--fg);
}

.om-results a:hover { background: var(--hover); text-decoration: none; }

.om-result-name { display: block; font-weight: 600; }

.om-result-path,
.om-result-desc {
  display: block;
  font-size: 0.75rem;
  color: var(--fg-soft);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.om-result-path { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

.om-more {
  display: block;
  width: 100%;
  margin-top: 1rem;
  padding: 0.45rem;
  font: inherit;
  font-size: 0.8rem;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
}

.om-more:hover:not(:disabled) { background: var(--hover); }

/* ── page ─────────────────────────────────────────────────────────────────── */

h1 { font-size: 1.9rem; line-height: 1.2; margin: 0.4rem 0 0.6rem; }

h2 {
  font-size: 1.2rem;
  margin: 2.2rem 0 0.6rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--border);
}

h3 { font-size: 1.05rem; margin: 1.6rem 0 0.4rem; }

.om-restriction {
  display: block;
  font: 600 0.7rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--fg-soft);
  margin-bottom: 0.35rem;
}

.om-summary { font-size: 1.05rem; color: var(--fg-soft); margin: 0 0 0.6rem; }
.om-version { font-size: 0.85rem; color: var(--fg-soft); margin: 0; }

/* The icon belongs beside the name, the way a class is shown everywhere else. */
.om-title {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin: 0.4rem 0 0.6rem;
}

.om-title h1 { margin: 0; }

.om-icon {
  flex: none;
  width: 3rem;
  height: 3rem;
  object-fit: contain;
  margin-top: 0.5rem;
}

.om-graphics { margin: 1.5rem 0; }

.om-diagram {
  display: block;
  max-width: 100%;
  max-height: 32rem;
  padding: 0.75rem;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.om-icon-small {
  width: 1.15rem;
  height: 1.15rem;
  object-fit: contain;
  vertical-align: -0.22rem;
  margin-right: 0.35rem;
}

.om-row .om-icon-small { width: 1rem; height: 1rem; margin-right: 0.3rem; }

/* Library artwork is drawn for a white page; in dark mode give it one. */
main img, .om-icon, .om-icon-small { background: var(--mat); border-radius: 2px; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.5rem 0 1rem;
  font-size: 0.95rem;
}

th, td {
  text-align: left;
  vertical-align: top;
  padding: 0.45rem 0.6rem;
  border-bottom: 1px solid var(--border);
}

th {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-soft);
}

tbody tr:hover { background: var(--bg-soft); }

.om-contents .om-name { white-space: nowrap; }

.om-extends {
  margin: 0.8rem 0 0;
  font-size: 0.9rem;
  color: var(--fg-soft);
}

.om-members { font-size: 0.9rem; }

/* Type, Name and Default are all Modelica identifiers, so they share one
   monospace face. A fixed line-height keeps that face's smaller size from
   shifting the row: every cell gets the same line box, and `baseline` then
   lines the first lines up exactly. */
.om-members td {
  line-height: 1.45rem;
  vertical-align: baseline;
}

.om-members .om-type,
.om-members .om-name,
.om-members .om-default {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.92em;
  /* A qualified type or a call-shaped default is long; wrap it rather than let
     the table scroll sideways. */
  overflow-wrap: break-word;
}

.om-members .om-name { font-weight: 400; }

.om-members .om-group td {
  padding-top: 1rem;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-soft);
  border-bottom: 0;
}

.om-from { font-weight: 400; font-size: 0.75rem; color: var(--fg-soft); }

.om-source { white-space: nowrap; }

.om-mark {
  width: 1.1rem;
  height: 1.1rem;
  vertical-align: -0.2rem;
  color: var(--fg-soft);
}

.om-source a:hover .om-mark { color: var(--fg); }

.om-badge {
  margin-left: 0.5rem;
  padding: 0.05rem 0.35rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--fg-soft);
}

/* Library documentation writes its own tables, which can be any width; keep
   those inside the measure. Ours lay out as tables so their columns line up. */
:is(#info, #revisions) :is(table, pre) { overflow-x: auto; display: block; }

img { max-width: 100%; height: auto; }

pre, code {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.875rem;
}

pre {
  background: var(--bg-code);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem 0.9rem;
  white-space: pre-wrap;
  word-break: break-word;
}

code { background: var(--bg-code); border-radius: 4px; padding: 0.1em 0.3em; }
pre code { background: none; padding: 0; }

blockquote {
  margin: 1rem 0;
  padding-left: 1rem;
  border-left: 3px solid var(--border);
  color: var(--fg-soft);
}

hr { border: 0; border-top: 1px solid var(--border); margin: 2rem 0; }

.om-footer {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 1rem 1.25rem 3rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--fg-soft);
}

/* ── narrow ───────────────────────────────────────────────────────────────── */

@media (max-width: 64rem) {
  .om-sidebar {
    position: fixed;
    z-index: 20;
    left: 0;
    top: 0;
    transform: translateX(-100%);
    transition: transform 0.15s ease-out;
    box-shadow: 0 0 2rem rgb(0 0 0 / 0.25);
  }
  .om-sidebar-open .om-sidebar { transform: none; }
  #om-sidebar-toggle { display: block; }
}

@media (max-width: 30rem) {
  body { font-size: 15px; }
  h1 { font-size: 1.5rem; }
  .om-contents .om-name { white-space: normal; }
}