/* QilbeeDB documentation — three-pane reference layout on the brand
   light system (tokens come from style.css). Left: section nav.
   Center: article, max ~46rem. Right (wide screens): on-this-page. */

/* ---------- header additions ---------- */

.docs-badge {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--violet);
  background: rgba(112, 56, 204, 0.09);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  text-decoration: none;
}
.docs-home-link {
  font-size: 0.9rem;
  color: var(--ink-dim);
  text-decoration: none;
}
.docs-home-link:hover { color: var(--ink); }

/* ---------- shell ---------- */

.docs-shell {
  display: grid;
  grid-template-columns: 17rem minmax(0, 1fr);
  gap: 0;
  max-width: 90rem;
  margin: 0 auto;
  padding: 0 clamp(1rem, 3vw, 2rem);
}

/* ---------- sidebar ---------- */

.docs-sidebar {
  position: sticky;
  top: 3.6rem;
  align-self: start;
  height: calc(100vh - 3.6rem);
  overflow-y: auto;
  padding: 1.6rem 1.4rem 3rem 0.2rem;
  border-right: 1px solid var(--line);
}

.docs-filter {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--ink);
  background: var(--paper-warm);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.5rem 0.7rem;
  margin-bottom: 1.4rem;
}
.docs-filter:focus { outline: 2px solid var(--violet); outline-offset: 1px; }

.docs-nav .nav-group { margin-bottom: 1.5rem; }
.docs-nav .group-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 0.5rem 0.6rem;
}
.docs-nav .sub-label {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink-dim);
  margin: 0.8rem 0 0.3rem 0.6rem;
}
.docs-nav a {
  display: block;
  font-size: 0.88rem;
  color: var(--ink-dim);
  text-decoration: none;
  padding: 0.3rem 0.6rem;
  border-radius: 7px;
  line-height: 1.45;
}
.docs-nav a:hover { color: var(--ink); background: rgba(32, 26, 38, 0.04); }
.docs-nav a[aria-current="page"] {
  color: var(--violet);
  background: rgba(112, 56, 204, 0.09);
  font-weight: 500;
}

/* ---------- main column ---------- */

.docs-main { min-width: 0; padding: 0 clamp(1rem, 3vw, 3rem); }

.docs-topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.1rem 0 0.4rem;
}
.docs-menu-btn {
  display: none;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink);
  background: var(--paper-warm);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0.4rem 0.95rem;
  cursor: pointer;
}

.docs-breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--ink-faint);
}
.docs-breadcrumb a { color: var(--ink-faint); text-decoration: none; }
.docs-breadcrumb a:hover { color: var(--violet); }
.docs-breadcrumb .sep { margin: 0 0.4rem; }
.docs-breadcrumb .current { color: var(--ink-dim); }

.docs-article {
  max-width: 46rem;
  padding: 0.6rem 0 4rem;
  font-size: 0.99rem;
}

.docs-article h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 3.4vw, 2.5rem);
  line-height: 1.12;
  letter-spacing: -0.012em;
  margin: 0.4rem 0 1rem;
}

.docs-article h2 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin: 2.6rem 0 0.9rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
}
.docs-article h3 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.08rem;
  margin: 1.9rem 0 0.6rem;
}
.docs-article h4 {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.98rem;
  margin: 1.4rem 0 0.5rem;
}

/* hover anchors from the toc extension */
.docs-article .headerlink {
  color: var(--ink-faint);
  text-decoration: none;
  margin-left: 0.4rem;
  opacity: 0;
}
.docs-article h2:hover .headerlink,
.docs-article h3:hover .headerlink,
.docs-article h4:hover .headerlink { opacity: 1; }

.docs-article p { margin: 0.85rem 0; color: var(--ink-dim); }
.docs-article li { color: var(--ink-dim); }
.docs-article strong { color: var(--ink); }
.docs-article ul, .docs-article ol { padding-left: 1.4rem; margin: 0.85rem 0; }
.docs-article li { margin: 0.35rem 0; }
.docs-article a { color: var(--violet); }
.docs-article hr { border: 0; border-top: 1px solid var(--line); margin: 2rem 0; }
.docs-article blockquote {
  border-left: 3px solid var(--line-strong);
  padding-left: 1rem;
  margin: 1rem 0;
  color: var(--ink-faint);
}

/* code */
.docs-article code {
  font-family: var(--font-mono);
  font-size: 0.86em;
  background: #F3EFE9;
  border-radius: 5px;
  padding: 0.12em 0.38em;
  color: #5B3A9E;
}
.docs-article pre {
  position: relative;
  background: #F8F5F1;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1rem 1.1rem;
  overflow-x: auto;
  margin: 1rem 0;
  line-height: 1.55;
}
.docs-article pre code {
  background: none;
  padding: 0;
  color: var(--ink);
  font-size: 0.85rem;
}
.docs-article .highlight { margin: 1rem 0; }
.docs-article .highlight pre { margin: 0; }

.copy-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--ink-faint);
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.22rem 0.55rem;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s ease;
}
pre:hover .copy-btn, .copy-btn:focus-visible { opacity: 1; }
.copy-btn:hover { color: var(--violet); border-color: var(--violet); }

/* tables */
.table-wrap { overflow-x: auto; margin: 1rem 0; }
.docs-article table {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.9rem;
}
.docs-article th {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: left;
  color: var(--ink-dim);
  background: var(--paper-warm);
  border-bottom: 1px solid var(--line-strong);
  padding: 0.55rem 0.8rem;
}
.docs-article td {
  border-bottom: 1px solid var(--line);
  padding: 0.55rem 0.8rem;
  color: var(--ink-dim);
  vertical-align: top;
}

/* admonitions */
.admonition {
  border: 1px solid var(--line);
  border-left: 3px solid var(--blue);
  border-radius: 10px;
  background: var(--paper-warm);
  padding: 0.9rem 1.1rem;
  margin: 1.2rem 0;
  font-size: 0.94rem;
}
.admonition-title {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  margin: 0 0 0.4rem;
}
.admonition.warning, .admonition.caution, .admonition.danger { border-left-color: var(--orange); }
.admonition.tip, .admonition.success { border-left-color: #2E9E6B; }
.admonition.note, .admonition.info { border-left-color: var(--blue); }

/* mermaid */
pre.mermaid {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1rem;
  text-align: center;
}

/* footer of article */
.docs-foot { margin-top: 3rem; }
.docs-edit {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
  text-decoration: none;
}
.docs-edit:hover { color: var(--violet); }

.docs-prevnext {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
  margin-top: 1.4rem;
}
.docs-prevnext a {
  display: block;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  text-decoration: none;
  min-width: 0;
}
.docs-prevnext a:hover { border-color: var(--violet); }
.docs-prevnext .pn-dir {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.25rem;
}
.docs-prevnext .pn-title { color: var(--ink); font-weight: 500; font-size: 0.92rem; }
.docs-prevnext .pn-next { text-align: right; grid-column: 2; }

/* ---------- right rail ---------- */

.docs-toc {
  display: none;
  position: sticky;
  top: 3.6rem;
  align-self: start;
  max-height: calc(100vh - 3.6rem);
  overflow-y: auto;
  padding: 1.8rem 0.2rem 3rem 1.4rem;
}
.docs-toc .toc-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 0.7rem;
}
.docs-toc ul { list-style: none; padding: 0; margin: 0; border-left: 1px solid var(--line); }
.docs-toc li ul { border-left: 0; padding-left: 0.9rem; }
.docs-toc a {
  display: block;
  font-size: 0.82rem;
  color: var(--ink-dim);
  text-decoration: none;
  padding: 0.24rem 0 0.24rem 0.9rem;
  margin-left: -1px;
  border-left: 1px solid transparent;
  line-height: 1.4;
}
.docs-toc a:hover { color: var(--ink); }
.docs-toc a.active { color: var(--violet); border-left-color: var(--violet); }

/* ---------- docs footer ---------- */

.docs-footer {
  border-top: 1px solid var(--line);
  background: var(--paper-warm);
  padding: 1.4rem clamp(1rem, 3vw, 2rem);
}
.docs-footer p {
  max-width: 90rem;
  margin: 0 auto;
  font-size: 0.8rem;
  color: var(--ink-faint);
}
.docs-footer a { color: var(--ink-dim); text-decoration: none; }
.docs-footer a:hover { color: var(--violet); }

/* ---------- responsive ---------- */

@media (min-width: 78rem) {
  .docs-shell { grid-template-columns: 17rem minmax(0, 1fr) 14rem; }
  .docs-toc { display: block; }
}

@media (max-width: 60rem) {
  .docs-shell { grid-template-columns: 1fr; }
  .docs-sidebar {
    display: none;
    position: fixed;
    top: 3.4rem;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 45;
    height: auto;
    background: var(--paper);
    border-right: 0;
    padding: 1.2rem clamp(1rem, 4vw, 2rem) 3rem;
  }
  .docs-sidebar.open { display: block; }
  .docs-menu-btn { display: inline-block; }
  .docs-main { padding: 0; }
}