/* ══════════════════════════════════════════════════
   EQUATE — Docs Styles  (css/docs.css)
   ══════════════════════════════════════════════════ */

/* Ensure docs pages have the same body background as index.html */
.docs-page {
  background: var(--bg);
}

.docs-page:not(.docs-ready) .docs-content {
  visibility: hidden;
}

/* Top nav must sit above sidebar and main content (no overlap) */
.docs-page nav {
  z-index: 100;
}

/* ── DOCS LAYOUT ──
   Reserve space for fixed nav (60px) so sidebar and main start below it. */
.docs-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: calc(100vh - 60px);
  margin-top: 60px;
  direction: ltr;
}

/* Sidebar: always first column (left); main content second (right).
   z-index below main nav (100) so nav always sits on top. */
.docs-sidebar {
  grid-column: 1;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 60px;
  align-self: start;
  height: calc(100vh - 60px);
  max-height: calc(100vh - 60px);
  overflow-y: auto;
  border-right: 1px solid var(--border);
  padding: 32px 0;
  background: var(--bg);
  transition: background 0.3s ease, border-color 0.3s ease;
  z-index: 1;
}

.docs-sidebar > nav {
  flex: 1;
  min-height: 0;
}

.docs-sidebar::-webkit-scrollbar { width: 4px; }
.docs-sidebar::-webkit-scrollbar-track { background: transparent; }
.docs-sidebar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

.sidebar-search {
  padding: 0 20px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

.sidebar-search-input {
  width: 100%;
  padding: 8px 12px 8px 34px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-2);
  font-family: 'Epilogue', sans-serif;
  font-size: 0.82rem;
  color: var(--ink);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  position: relative;
}
.sidebar-search-input:focus {
  border-color: var(--salmon);
  box-shadow: 0 0 0 2px var(--salmon-light);
  background: var(--bg);
}
.sidebar-search-input::placeholder { color: var(--ink-muted); }

.sidebar-search-wrap {
  position: relative;
}
.sidebar-search-wrap svg {
  position: absolute;
  left: 10px; top: 50%;
  transform: translateY(-50%);
  width: 14px; height: 14px;
  stroke: var(--ink-muted); fill: none;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
  pointer-events: none;
}

.sidebar-section {
  padding: 0 20px;
  margin-bottom: 8px;
}

.sidebar-section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--ink-muted);
  padding: 12px 0 6px;
  display: block;
}

.sidebar-nav { list-style: none; }

.sidebar-nav a {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.82rem;
  color: var(--ink-muted);
  text-decoration: none;
  transition: color 0.15s, background 0.15s;
  line-height: 1.4;
}
.sidebar-nav a:hover { color: var(--ink); background: var(--bg-2); }
.sidebar-nav a.active { color: var(--ink); background: var(--salmon-light); font-weight: 600; }

.sidebar-nav .nav-icon {
  width: 14px; height: 14px; flex-shrink: 0; opacity: 0.5;
}
.sidebar-nav a.active .nav-icon { opacity: 1; }

/* ── DOCS MAIN ── */
.docs-main {
  grid-column: 2;
  padding: 48px 64px;
  min-width: 0;
  max-width: 860px;
}

/* ── DOCS CONTENT TYPOGRAPHY ── */
.docs-content h1 {
  font-family: 'Epilogue', sans-serif;
  font-weight: 800; font-size: 2rem;
  letter-spacing: -0.035em; color: var(--ink);
  margin-bottom: 12px; line-height: 1.15;
}

.docs-content .doc-lead {
  font-size: 1.05rem; color: var(--ink-muted);
  line-height: 1.75; margin-bottom: 40px;
  padding-bottom: 32px; border-bottom: 1px solid var(--border);
}

.docs-content h2 {
  font-family: 'Epilogue', sans-serif;
  font-weight: 800; font-size: 1.35rem;
  letter-spacing: -0.025em; color: var(--ink);
  margin-top: 52px; margin-bottom: 14px;
  padding-top: 52px; border-top: 1px solid var(--border);
  scroll-margin-top: 80px;
}
.docs-content h2:first-of-type { margin-top: 0; padding-top: 0; border-top: none; }

.docs-content h3 {
  font-family: 'Epilogue', sans-serif;
  font-weight: 700; font-size: 1rem;
  letter-spacing: -0.015em; color: var(--ink);
  margin-top: 28px; margin-bottom: 10px;
  scroll-margin-top: 80px;
}

.docs-content p {
  font-size: 0.9rem; color: var(--ink-soft);
  line-height: 1.8; margin-bottom: 16px;
}

.docs-content ul, .docs-content ol {
  padding-left: 20px; margin-bottom: 16px;
}
.docs-content li {
  font-size: 0.9rem; color: var(--ink-soft);
  line-height: 1.8; margin-bottom: 5px;
}

.docs-content a {
  color: var(--salmon); text-decoration: none;
  text-underline-offset: 3px;
}
.docs-content a:hover { color: var(--salmon-dark); }

.docs-content strong { font-weight: 700; color: var(--ink); }

/* ── INLINE CODE ── */
.docs-content code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82em;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  color: var(--salmon-dark);
}

/* ── CODE BLOCKS ── */
.code-block {
  position: relative;
  margin: 20px 0 24px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.code-block-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 16px;
  background: var(--bg-3);
  border-bottom: 1px solid var(--border);
}

.code-block-lang {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.09em;
  color: var(--ink-muted);
}

.code-copy-btn {
  display: flex; align-items: center; gap: 5px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem; font-weight: 600;
  color: var(--ink-muted);
  background: transparent; border: none;
  cursor: pointer; padding: 3px 8px;
  border-radius: 4px; transition: all 0.15s;
}
.code-copy-btn:hover { background: var(--border); color: var(--ink); }
.code-copy-btn svg { width: 12px; height: 12px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

.code-block pre {
  margin: 0; padding: 20px;
  background: var(--bg-2);
  overflow-x: auto;
  font-size: 0;
}

.code-block code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem; line-height: 1.7;
  background: transparent; border: none;
  padding: 0; border-radius: 0;
  color: var(--ink-soft);
  white-space: pre;
  display: block;
}

/* syntax highlights */
.tok-kw  { color: #e8735a; }          /* keyword / orange-salmon */
.tok-str { color: #22c55e; }          /* string  / green */
.tok-cmt { color: var(--ink-muted); } /* comment / muted */
.tok-fn  { color: #60a5fa; }          /* function / blue */
.tok-num { color: #a78bfa; }          /* number  / violet */

/* ── CALLOUT BOXES ── */
.doc-callout {
  border-radius: var(--radius);
  padding: 16px 18px;
  margin: 20px 0;
  border: 1px solid;
  display: flex; gap: 12px;
  font-size: 0.86rem; line-height: 1.7;
}

.doc-callout-icon { font-size: 1rem; flex-shrink: 0; margin-top: 1px; }

.doc-callout-note  { background: #eff6ff; border-color: #bfdbfe; color: #1e40af; }
.doc-callout-warn  { background: #fffbeb; border-color: #fde68a; color: #92400e; }
.doc-callout-tip   { background: #f0fdf4; border-color: #bbf7d0; color: #166534; }
.doc-callout-danger{ background: #fff1f2; border-color: #fecdd3; color: #9f1239; }

@media (prefers-color-scheme: dark) {
  .sidebar-nav a.active { background: rgba(232,115,90,.15); color: var(--salmon); }
  .docs-content code { color: var(--salmon); }
  .doc-callout-note  { background: #0d1f3c; border-color: #1e3a6e; color: #93c5fd; }
  .doc-callout-warn  { background: #2d1f00; border-color: #78350f; color: #fcd34d; }
  .doc-callout-tip   { background: #052e16; border-color: #14532d; color: #86efac; }
  .doc-callout-danger{ background: #2d0d14; border-color: #7f1d1d; color: #fca5a5; }
}

/* ── ON-PAGE NAV / TOC ── */
.docs-toc {
  position: sticky;
  top: 80px;
  padding: 0 0 0 32px;
  border-left: 1px solid var(--border);
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  font-size: 0.75rem;
  color: var(--ink-muted);
  min-width: 180px;
  align-self: start;
}

.docs-toc-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--ink-muted); margin-bottom: 10px; display: block;
}

.docs-toc a {
  display: block; padding: 4px 0;
  color: var(--ink-muted); text-decoration: none;
  transition: color 0.15s; line-height: 1.5;
}
.docs-toc a:hover { color: var(--ink); }
.docs-toc a.active { color: var(--salmon); font-weight: 600; }
.docs-toc a.toc-h3 { padding-left: 12px; font-size: 0.72rem; }

/* Three-column docs layout (with TOC) */
.docs-layout-3col {
  display: grid;
  grid-template-columns: 260px 1fr 200px;
}

/* ── BREADCRUMB ── */
.docs-breadcrumb {
  display: flex; align-items: center; gap: 7px;
  font-size: 0.75rem; color: var(--ink-muted);
  font-family: 'JetBrains Mono', monospace;
  margin-bottom: 24px;
}
.docs-breadcrumb a { color: var(--ink-muted); text-decoration: none; transition: color 0.15s; }
.docs-breadcrumb a:hover { color: var(--ink); }
.docs-breadcrumb .sep { opacity: 0.4; }
.docs-breadcrumb .current { color: var(--ink-soft); font-weight: 600; }

/* ── DOC NAV PREV/NEXT ── */
.doc-nav {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  margin-top: 64px; padding-top: 32px; border-top: 1px solid var(--border);
}

.doc-nav-link {
  display: flex; flex-direction: column;
  padding: 16px 20px; border-radius: var(--radius);
  border: 1px solid var(--border); text-decoration: none;
  transition: border-color 0.15s, background 0.15s;
}
.doc-nav-link:hover { border-color: var(--salmon); background: var(--bg-2); }
.doc-nav-link.prev { text-align: left; }
.doc-nav-link.next { text-align: right; }

.doc-nav-dir {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.09em;
  color: var(--salmon); margin-bottom: 4px;
}
.doc-nav-title {
  font-size: 0.88rem; font-weight: 700; color: var(--ink);
  font-family: 'Epilogue', sans-serif;
}

/* ── DOCS SEARCH RESULTS ── */
#search-results {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: absolute;
  left: 20px; right: 20px;
  top: calc(100% + 4px);
  z-index: 50;
  box-shadow: 0 8px 32px rgba(0,0,0,.12);
  overflow: hidden;
  display: none;
}
#search-results.open { display: block; }

.search-result-item {
  display: block; padding: 10px 14px;
  font-size: 0.82rem; color: var(--ink-soft);
  text-decoration: none; line-height: 1.5;
  transition: background 0.1s;
  border-bottom: 1px solid var(--border);
}
.search-result-item:last-child { border-bottom: none; }
.search-result-item:hover { background: var(--bg-2); }
.search-result-item strong { color: var(--ink); font-weight: 700; }
.search-result-section {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--salmon); display: block; margin-bottom: 2px;
}

/* ── MOBILE DOCS ── */
.sidebar-toggle {
  display: none;
  align-items: center; gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-2);
  font-size: 0.78rem; font-weight: 600;
  color: var(--ink); cursor: pointer;
  font-family: 'Epilogue', sans-serif;
  transition: all 0.15s;
}

@media (max-width: 1100px) {
  .docs-layout-3col { grid-template-columns: 260px 1fr; }
  .docs-toc { display: none; }
}

@media (max-width: 780px) {
  .docs-layout,
  .docs-layout-3col {
    grid-template-columns: 1fr;
    display: block;
  }
  .docs-sidebar {
    position: fixed;
    left: -280px; top: 60px; bottom: 0;
    width: 280px; z-index: 90;
    border-right: 1px solid var(--border);
    box-shadow: 4px 0 24px rgba(0,0,0,.1);
    transition: left 0.3s ease, background 0.3s ease;
  }
  .docs-sidebar.open { left: 0; }
  .docs-main { padding: 32px 20px; }
  .sidebar-toggle { display: flex; }
  .doc-nav { grid-template-columns: 1fr; }
}