/* docs — traditional two-column documentation layout */

.docwrap {
  display: grid;
  grid-template-columns: 15rem minmax(0, 1fr);
  gap: 4.5rem;
  max-width: 74rem;
  margin: 0 auto;
  padding: 0 2rem;
}

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

.side {
  position: sticky;
  top: 0;
  align-self: start;
  max-height: 100vh;
  overflow-y: auto;
  padding: 2.8rem 0 2rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.5;
}

.side-title {
  font-size: 0.66rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 1rem;
}

.side ul { list-style: none; margin: 0; padding: 0; }
.side > ul > li { margin-bottom: 0.15rem; }
.side > ul > li > a {
  display: block;
  padding: 0.35rem 0.7rem;
  border-radius: 6px;
  color: var(--ink-dim);
}
.side > ul > li > a:hover { color: var(--cyan); background: var(--hover-bg); text-decoration: none; }
.side > ul > li.current > a {
  color: var(--cyan-deep);
  background: rgba(98, 174, 239, 0.12);
  font-weight: 500;
}

/* nested section links for the current page */
.side .sections {
  margin: 0.3rem 0 0.6rem 0.7rem;
  padding-left: 0.85rem;
  border-left: 1px solid var(--line);
}
.side .sections li a {
  display: block;
  padding: 0.22rem 0.55rem 0.22rem 1.4rem;
  margin-left: -0.9rem;
  color: var(--ink-faint);
  border-left: 1px solid transparent;
}
.side .sections li a:hover { color: var(--cyan); text-decoration: none; }
.side .sections li a.active {
  color: var(--cyan-deep);
  border-left-color: var(--cyan-deep);
}
.side .sections li.sub a { padding-left: 2.2rem; font-size: 0.72rem; }

/* ---------- content column ---------- */

.doc { padding: 2.8rem 0 2rem; min-width: 0; }

.doc-title { font-size: clamp(1.9rem, 4vw, 2.6rem); color: var(--heading); margin: 0.5rem 0 0.8rem; }
.doc-lede { color: var(--ink-dim); font-size: 1.08rem; max-width: 40em; }

article { padding-top: 1.8rem; max-width: 46rem; }

article h2, article h3, article h4 { scroll-margin-top: 2rem; }

article h2 {
  font-size: 1.5rem;
  color: var(--heading);
  margin: 3rem 0 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-soft);
}
article h3 {
  font-family: var(--mono);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--cyan);
  margin: 2.2rem 0 0.8rem;
}
article h4 {
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink);
  margin: 1.8rem 0 0.6rem;
}
article p { margin-bottom: 1.1rem; color: var(--prose); }
article ul, article ol { margin: 0 0 1.2rem 1.4rem; color: var(--prose); }
article li { margin-bottom: 0.5rem; }
article pre { margin: 1.4rem 0; }
article strong { color: var(--ink); font-weight: 500; }
article em { color: var(--ink); }

article table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.92rem;
}
article th {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: left;
  color: var(--ink-faint);
  padding: 0.5rem 0.8rem;
  border-bottom: 1px solid var(--line);
}
article td {
  padding: 0.6rem 0.8rem;
  border-bottom: 1px solid var(--line-soft);
  color: var(--ink-dim);
  vertical-align: top;
}

/* prev / next footer links */
.doc-pager {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  max-width: 46rem;
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line-soft);
  font-family: var(--mono);
  font-size: 0.8rem;
}
.doc-pager a { color: var(--ink-dim); }
.doc-pager a:hover { color: var(--cyan); text-decoration: none; }

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

@media (max-width: 900px) {
  .docwrap { grid-template-columns: 1fr; gap: 0; }
  .side {
    position: static;
    max-height: none;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--line-soft);
  }
  .doc { padding-top: 2rem; }
}

/* docs hub cards (Overview page) */
.doc-list { margin-top: 2.5rem; display: grid; gap: 1.2rem; max-width: 46rem; }
.doc-card {
  display: block;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg-raised);
  padding: 1.6rem 1.8rem;
  transition: border-color 0.2s, background 0.2s;
}
.doc-card:hover { border-color: rgba(38, 121, 157, 0.35); background: var(--hover-bg); text-decoration: none; }
.doc-card h3 { font-size: 1.25rem; font-weight: 400; color: var(--heading); margin-bottom: 0.4rem; font-family: var(--serif); }
.doc-card p { color: var(--ink-dim); font-size: 0.95rem; }
.doc-card .go { font-family: var(--mono); font-size: 0.72rem; color: var(--cyan-deep); }