/* ============================================================
   makeBIMI.com — MDX / Documentation Styles
   Linear aesthetic: stark white headings, deep code blocks,
   neon-accented blockquotes, sticky ToC sidebar
   ============================================================ */

/* ── LAYOUT ── */
.doc-layout {
  display: flex;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  gap: 48px;
  align-items: flex-start;
  min-height: calc(100vh - 56px);
}

/* ── TOC SIDEBAR ── */
.doc-toc {
  width: 220px;
  flex-shrink: 0;
  position: sticky;
  top: 80px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  padding: 24px 0;
  scrollbar-width: thin;
}
.doc-toc::-webkit-scrollbar { width: 3px; }
.doc-toc::-webkit-scrollbar-thumb { background: var(--border); }

.toc-header {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
  padding-left: 12px;
}
.toc-nav {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.toc-item {
  display: block;
  padding: 5px 12px;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  transition: all var(--transition);
  line-height: 1.4;
  text-decoration: none;
}
.toc-item:hover { color: var(--text-secondary); background: var(--bg-card); }
.toc-item.active {
  color: var(--accent);
  border-left-color: var(--accent);
  background: var(--accent-dim);
}
.toc-level-1 { font-weight: 600; }
.toc-level-2 { padding-left: 20px; }
.toc-level-3 { padding-left: 28px; font-size: 0.75rem; }
.toc-level-4 { padding-left: 36px; font-size: 0.73rem; }

/* ── MAIN CONTENT ── */
.doc-main {
  flex: 1;
  min-width: 0;
  padding: 40px 0 80px;
}

.doc-header {
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}
.doc-header .overline {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.doc-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.15;
}
.doc-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 16px;
}
.doc-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.doc-meta-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ── MARKDOWN ELEMENTS ── */

/* Headings — stark white, tight kerning */
.doc-body .md-h1 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin: 48px 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  line-height: 1.2;
}
.doc-body .md-h2 {
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin: 40px 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  line-height: 1.25;
}
.doc-body .md-h3 {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin: 28px 0 10px;
}
.doc-body .md-h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin: 20px 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.8rem;
}

/* Paragraphs */
.doc-body .md-p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
  font-size: 0.95rem;
}

/* Inline code */
.doc-body .md-inline-code {
  background: #121214;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 3px;
  padding: 1px 6px;
  font-family: var(--mono);
  font-size: 0.85em;
  color: var(--accent);
}

/* Code blocks — deep #121214 background */
.doc-body .md-code-block {
  background: #121214;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  margin: 20px 0;
  overflow: hidden;
}
.doc-body .md-code-lang {
  padding: 6px 14px;
  font-size: 0.7rem;
  font-family: var(--mono);
  color: var(--text-muted);
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.doc-body .md-code-block pre {
  margin: 0;
  padding: 16px 18px;
  overflow-x: auto;
}
.doc-body .md-code-block code {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.7;
  background: none;
  border: none;
  padding: 0;
}

/* Syntax highlighting */
.hl-kw  { color: var(--accent); }
.hl-str { color: var(--green); }
.hl-cmt { color: var(--text-muted); font-style: italic; }
.hl-num { color: var(--yellow); }

/* Blockquotes — neon-accented left border */
.doc-body .md-blockquote {
  border-left: 3px solid var(--accent);
  margin: 20px 0;
  padding: 12px 18px;
  background: var(--accent-dim);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-secondary);
  font-size: 0.93rem;
  line-height: 1.7;
}

/* Lists */
.doc-body .md-ul,
.doc-body .md-ol {
  margin: 16px 0;
  padding-left: 0;
  list-style: none;
}
.doc-body .md-li {
  padding: 7px 0 7px 20px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.93rem;
  line-height: 1.65;
  position: relative;
}
.doc-body .md-li:last-child { border-bottom: none; }
.doc-body .md-ul .md-li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.85em;
}
.doc-body .md-ol {
  counter-reset: ol-counter;
}
.doc-body .md-ol .md-li {
  counter-increment: ol-counter;
}
.doc-body .md-ol .md-li::before {
  content: counter(ol-counter) '.';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.8em;
  font-family: var(--mono);
}

/* Links */
.doc-body .md-link {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: rgba(99,102,241,0.3);
  text-underline-offset: 3px;
  transition: text-decoration-color var(--transition);
}
.doc-body .md-link:hover { text-decoration-color: var(--accent); }

/* HR */
.doc-body .md-hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 32px 0;
}

/* Doc footer */
.doc-footer {
  display: flex;
  gap: 12px;
  padding-top: 32px;
  margin-top: 48px;
  border-top: 1px solid var(--border);
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .doc-layout { flex-direction: column; gap: 0; padding: 0 16px; }
  .doc-toc { display: none; }
  .doc-main { padding: 24px 0 60px; }
}