/* ==========================================================================
   TigerZF docs — full-width app shell (header + left site-nav + content +
   right page-nav). Layered on top of dbstyle.css (which styles content).
   The DOM is assembled by docs.js at load.
   ========================================================================== */

:root {
  --hdr-h: 56px;
  --left-w: 420px;
  --right-w: 420px;
  --accent: #c8641e;
  --accent-dark: #9c4c14;
  --ink: #24292f;
  --ink-soft: #57606a;
  --rule: #e3e6ea;
  --hdr-bg: #1b1f24;
  --side-bg: #fafbfc;
}

/* Override dbstyle's centered/max-width body → full width app shell */
html.tzf-docs, .tzf-docs body {
  max-width: none !important;
  margin: 0 !important;
  padding: 0 !important;
  background: #fff;
}
.tzf-docs body { overflow-x: hidden; }
/* larger, comfortable base for big monitors (1rem = 18px) */
html.tzf-docs { font-size: 18px; scroll-padding-top: 68px; } /* so #anchor jumps (search + links) clear the sticky header */
.tzf-docs body { font-size: 1rem; }

/* ---------- Header ---------- */
.tzf-header {
  position: sticky; top: 0; z-index: 50;
  height: var(--hdr-h);
  display: flex; align-items: center; gap: 1rem;
  padding: 0 1rem;
  background: var(--hdr-bg);
  color: #e8eaed;
  border-bottom: 1px solid #000;
}
.tzf-brand {
  font-weight: 800; font-size: 1.15rem; letter-spacing: .3px;
  color: #fff; text-decoration: none; white-space: nowrap;
  display: flex; align-items: center; gap: .5rem;
}
.tzf-brand b { color: var(--accent); }
.tzf-brand:hover { text-decoration: none; }
.tzf-header .spacer { flex: 1; }
.tzf-search {
  position: relative; width: min(420px, 42vw);
}
.tzf-search input {
  width: 100%; height: 34px;
  background: #2b3037; color: #e8eaed;
  border: 1px solid #3a4048; border-radius: 8px;
  padding: 0 2rem 0 2.1rem; font-size: .9rem; outline: none;
}
.tzf-search input::placeholder { color: #8a929c; }
.tzf-search input:focus { border-color: var(--accent); background: #31373f; }
.tzf-search .icn { position: absolute; left: .6rem; top: 50%; transform: translateY(-50%); color: #8a929c; font-size: .95rem; }
.tzf-search .kbd { position: absolute; right: .5rem; top: 50%; transform: translateY(-50%);
  font-size: .7rem; color: #8a929c; border: 1px solid #3a4048; border-radius: 4px; padding: .05rem .3rem; }
.tzf-menu-btn { display: none; background: none; border: 0; color: #e8eaed; font-size: 1.4rem; cursor: pointer; padding: .2rem .4rem; }

/* ---------- Language switcher (<details> dropdown, autonyms) ---------- */
.tzf-langpick { position: relative; flex: 0 0 auto; }
.tzf-langpick > summary {
  list-style: none; cursor: pointer; user-select: none;
  display: flex; align-items: center; gap: .4rem;
  height: 34px; padding: 0 .55rem;
  background: #2b3037; color: #e8eaed;
  border: 1px solid #3a4048; border-radius: 8px;
  font-size: .85rem; white-space: nowrap;
}
.tzf-langpick > summary::-webkit-details-marker { display: none; }
.tzf-langpick > summary:hover { border-color: var(--accent); background: #31373f; }
.tzf-langpick[open] > summary { border-color: var(--accent); }
.tzf-langpick .tzf-globe { font-size: .95rem; line-height: 1; }
.tzf-langpick .tzf-caret { font-size: .6rem; color: #8a929c; transition: transform .15s ease; }
.tzf-langpick[open] .tzf-caret { transform: rotate(180deg); }
.tzf-langpick > ul {
  position: absolute; right: 0; top: calc(100% + 6px); z-index: 60;
  margin: 0; padding: .3rem; min-width: 168px; list-style: none;
  background: #fff; color: var(--ink);
  border: 1px solid var(--rule); border-radius: 10px;
  box-shadow: 0 10px 28px rgba(0,0,0,.22);
}
.tzf-langpick > ul li { margin: 0; }
.tzf-langpick > ul a, .tzf-langpick > ul .cur {
  display: flex; align-items: center; justify-content: space-between;
  padding: .4rem .6rem; border-radius: 6px; font-size: .92rem; text-decoration: none;
}
.tzf-langpick > ul a { color: var(--ink); }
.tzf-langpick > ul a:hover { background: #f2f4f6; text-decoration: none; }
.tzf-langpick > ul .cur { color: var(--accent-dark); font-weight: 700; cursor: default; }
.tzf-langpick > ul .cur::after { content: "\2713"; margin-left: .6rem; }

/* ---------- Header search: live dropdown ---------- */
.tzf-search-results {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0; z-index: 60;
  display: none; max-height: min(70vh, 30rem); overflow-y: auto;
  background: #fff; color: var(--ink);
  border: 1px solid var(--rule); border-radius: 10px;
  box-shadow: 0 12px 30px rgba(0,0,0,.22);
}
.tzf-search-results.open { display: block; }
.tzf-sr-item { display: block; padding: .5rem .7rem; border-bottom: 1px solid var(--rule); text-decoration: none; }
.tzf-sr-item:last-of-type { border-bottom: 0; }
.tzf-sr-item:hover, .tzf-sr-item.active { background: #fbe9d9; }
.tzf-sr-title { display: block; color: var(--accent-dark); font-weight: 600; font-size: .9rem; }
.tzf-sr-snip { display: block; color: var(--ink-soft); font-size: .82rem; line-height: 1.4; margin-top: .12rem; }
.tzf-search-results mark, .tzf-search-page mark { background: #fff1a8; color: inherit; padding: 0 .08em; border-radius: 2px; }
.tzf-sr-empty { padding: .7rem .8rem; color: var(--ink-soft); font-size: .88rem; }
.tzf-sr-all { display: block; padding: .5rem .7rem; text-align: center; font-size: .82rem; font-weight: 600;
  color: var(--accent-dark); text-decoration: none; background: #fafbfc; border-top: 1px solid var(--rule);
  position: sticky; bottom: 0; }
.tzf-sr-all:hover, .tzf-sr-all.active { background: #fbe9d9; }

/* ---------- Search results page ---------- */
.tzf-search-form input { width: 100%; max-width: 34rem; height: 40px; box-sizing: border-box;
  border: 1px solid var(--rule); border-radius: 8px; padding: 0 .8rem; font-size: 1rem; outline: none; margin: .3rem 0 1rem; }
.tzf-search-form input:focus { border-color: var(--accent); }
.tzf-search-count, .tzf-search-hint { color: var(--ink-soft); }
.tzf-search-list { list-style: none; padding: 0; margin: 1rem 0; }
.tzf-search-list li { padding: .8rem 0; border-bottom: 1px solid var(--rule); }
.tzf-search-list .tzf-sr-title { font-size: 1.05rem; }
.tzf-search-list .tzf-sr-snip { margin: .25rem 0 0; }

/* ---------- Layout grid ---------- */
.tzf-layout {
  display: grid;
  grid-template-columns: var(--left-w) minmax(0, 1fr) var(--right-w);
  align-items: start;
}

/* ---------- Left site nav ---------- */
.tzf-sidenav {
  position: sticky; top: var(--hdr-h);
  height: calc(100vh - var(--hdr-h));
  overflow: hidden;
  display: flex; flex-direction: column;
  background: var(--side-bg);
  border-right: 1px solid var(--rule);
}
.tzf-filter { padding: .7rem .7rem .5rem; border-bottom: 1px solid var(--rule); }
.tzf-filter input {
  width: 100%; height: 32px; box-sizing: border-box;
  border: 1px solid var(--rule); border-radius: 7px;
  padding: 0 .6rem; font-size: .95rem; outline: none;
}
.tzf-filter input:focus { border-color: var(--accent); }
.tzf-nav-scroll { overflow-y: auto; padding: .5rem .25rem 2rem; flex: 1; }

/* nav tree (built from DocBook <dl class="toc">) */
.site-nav-tree dl { margin: 0; }
.site-nav-tree dd { margin: 0 0 0 .75rem; }
.site-nav-tree dt { margin: 0; list-style: none; }
.site-nav-tree dt > span { display: flex; align-items: baseline; }
.site-nav-tree a {
  display: block; flex: 1; min-width: 0;
  padding: .2rem .4rem; border-radius: 6px;
  color: var(--ink); font-size: .92rem; line-height: 1.4;
  text-decoration: none;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.site-nav-tree span.part > a  { font-weight: 700; color: #1b1f24; white-space: normal; }
.site-nav-tree span.chapter > a { font-weight: 600; white-space: normal; }
.site-nav-tree a:hover { background: #eef0f2; text-decoration: none; }
.site-nav-tree a.active { background: #fbe9d9; color: var(--accent-dark); font-weight: 600; }

/* collapse toggles injected by JS */
.tzf-toggle {
  flex: 0 0 auto; width: 1.1rem; height: 1.3rem; margin-right: .1rem;
  border: 0; background: none; cursor: pointer; color: var(--ink-soft);
  font-size: .7rem; line-height: 1.3rem; text-align: center; user-select: none;
}
.tzf-toggle::before { content: "\25B8"; display: inline-block; transition: transform .12s ease; }
.tzf-node.open > span > .tzf-toggle::before { transform: rotate(90deg); }
.tzf-node:not(.open) + dd { display: none; }
.tzf-node.hit > span > a { background: #fff6cc; }

/* ---------- Content ---------- */
.tzf-content {
  min-width: 0;
  padding: 1.5rem clamp(1rem, 4vw, 3rem) 4rem;
}
.tzf-content > .content-inner { max-width: 54rem; }

/* "not translated yet" notice (shown by a language's _fallback.php) */
.tzf-xlate-note {
  margin: 0 0 1.3rem; padding: .6rem .9rem;
  background: #fff8e6; border: 1px solid #f0d488; border-left: 4px solid var(--accent);
  border-radius: 6px; font-size: .9rem; color: #6b5300;
}
.tzf-xlate-note a { color: var(--accent-dark); font-weight: 600; }

/* ---------- Right page nav ---------- */
.tzf-pagenav {
  position: sticky; top: var(--hdr-h);
  height: calc(100vh - var(--hdr-h));
  overflow-y: auto;
  padding: 1.5rem .9rem 2rem;
  border-left: 1px solid var(--rule);
  font-size: 1rem;
}
.tzf-pagenav .hd { text-transform: uppercase; letter-spacing: .5px; font-size: .7rem;
  color: var(--ink-soft); font-weight: 700; margin-bottom: .5rem; }
.tzf-pagenav .tzf-links { position: relative; padding-left: .55rem; }
.tzf-marker {
  position: absolute; left: 0; top: 0; width: 2px; height: 0; border-radius: 2px;
  background: var(--accent); opacity: 0;
  transition: transform .18s cubic-bezier(.4,0,.2,1), height .18s cubic-bezier(.4,0,.2,1), opacity .2s;
}
.tzf-marker.on { opacity: 1; }
.tzf-pagenav a { display: block; color: var(--ink-soft); text-decoration: none;
  padding: .18rem .5rem; line-height: 1.35; }
.tzf-pagenav a.lvl-3 { padding-left: 1.2rem; font-size: .9rem; }
.tzf-pagenav a:hover { color: var(--ink); }
.tzf-pagenav a.active { color: var(--accent-dark); font-weight: 600; }
.tzf-pagenav.empty { display: none; }
/* single-section pages have no "On this page" — drop the right rail so content isn't left with a blank column */
html.tzf-no-pagenav .tzf-layout { grid-template-columns: var(--left-w) minmax(0, 1fr); }

/* ---------- DocBook prev/up/next nav: honor cell alignment ---------- */
.navheader td[align="center"], .navfooter td[align="center"],
.navheader th[align="center"], .navfooter th[align="center"] { text-align: center; }
.navheader td[align="right"], .navfooter td[align="right"],
.navheader th[align="right"], .navfooter th[align="right"] { text-align: right; }

/* ---------- Responsive ---------- */
@media (max-width: 1400px) {
  .tzf-layout { grid-template-columns: var(--left-w) minmax(0, 1fr); }
  .tzf-pagenav { display: none; }
}
@media (max-width: 1024px) {
  .tzf-menu-btn { display: block; }
  .tzf-layout { grid-template-columns: 1fr; }
  .tzf-sidenav {
    position: fixed; top: var(--hdr-h); left: 0; z-index: 40;
    width: min(85vw, var(--left-w)); height: calc(100vh - var(--hdr-h));
    transform: translateX(-100%); transition: transform .2s ease;
    box-shadow: 2px 0 12px rgba(0,0,0,.15);
  }
  .tzf-docs.nav-open .tzf-sidenav { transform: none; }
  .tzf-docs.nav-open::after {
    content: ""; position: fixed; inset: var(--hdr-h) 0 0 0; background: rgba(0,0,0,.35); z-index: 30;
  }
  .tzf-search { width: auto; flex: 1; }
}

/* ---------- Syntax highlighting (highlight.js php, light theme) ---------- */
pre.programlisting code.language-php { background: transparent; padding: 0; color: var(--ink); font: inherit; }
.hljs-comment, .hljs-quote                        { color: #6e7781; font-style: italic; }
.hljs-keyword, .hljs-literal, .hljs-type,
.hljs-meta .hljs-keyword, .hljs-selector-tag      { color: #cf222e; }
.hljs-string, .hljs-attr, .hljs-regexp            { color: #0a3069; }
.hljs-variable, .hljs-template-variable           { color: #953800; }
.hljs-title, .hljs-title.function_, .hljs-name    { color: #8250df; }
.hljs-title.class_, .hljs-built_in,
.hljs-number, .hljs-symbol, .hljs-params          { color: #0550ae; }
.hljs-meta                                        { color: #6e7781; }
.hljs-operator, .hljs-punctuation                 { color: var(--ink-soft); }