/* LVL Learn guides — dark theme, no external deps */
.lg-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 4rem;
}
.lg-wrap-wide {
  max-width: 1000px;
}
.lg-crumbs {
  font-size: 0.85rem;
  color: var(--muted, #a8b6d4);
  margin: 0 0 1.25rem;
  line-height: 1.5;
}
.lg-crumbs a { color: #93c5fd; }
.lg-track {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #a5b4fc;
  margin-bottom: 0.5rem;
}
.lg-wrap h1 {
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  line-height: 1.15;
  margin: 0 0 0.75rem;
  letter-spacing: -0.03em;
}
.lg-lede {
  font-size: 1.1rem;
  color: var(--muted, #a8b6d4);
  line-height: 1.7;
  margin: 0 0 1.5rem;
}
.lg-meta {
  font-size: 0.85rem;
  color: var(--faint, #7d8dad);
  margin: 0 0 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(148, 163, 184, 0.14);
}
.lg-body h2 {
  font-size: 1.25rem;
  margin: 2rem 0 0.75rem;
  letter-spacing: -0.02em;
}
.lg-body h3 {
  font-size: 1.05rem;
  margin: 1.5rem 0 0.5rem;
}
.lg-body p {
  margin: 0 0 1rem;
  color: #d6deef;
  line-height: 1.75;
}
.lg-body ul, .lg-body ol {
  margin: 0 0 1.15rem;
  padding-left: 1.25rem;
  color: #d6deef;
  line-height: 1.7;
}
.lg-body li { margin: 0.35rem 0; }
.lg-body a { color: #93c5fd; }
.lg-body code {
  font-family: ui-monospace, "IBM Plex Mono", Menlo, monospace;
  font-size: 0.88em;
  color: #a5b4fc;
  background: rgba(15, 23, 42, 0.8);
  padding: 0.1em 0.35em;
  border-radius: 4px;
}
.lg-body pre {
  overflow-x: auto;
  padding: 1rem 1.1rem;
  border-radius: 12px;
  border: 1px solid rgba(148, 163, 184, 0.16);
  background: #070b14;
  color: #cbd5e1;
  font-family: ui-monospace, "IBM Plex Mono", Menlo, monospace;
  font-size: 0.8rem;
  line-height: 1.65;
  margin: 0 0 1.25rem;
}
.lg-body pre code {
  background: none;
  padding: 0;
  color: inherit;
  font-size: inherit;
}
.lg-callout {
  border-left: 4px solid #818cf8;
  background: rgba(99, 102, 241, 0.1);
  border-radius: 0 12px 12px 0;
  padding: 0.9rem 1.1rem;
  margin: 1.25rem 0;
  color: #c7d2fe;
  line-height: 1.6;
  font-size: 0.95rem;
}
.lg-callout strong { color: #e0e7ff; }
.lg-related {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(148, 163, 184, 0.14);
}
.lg-related h2 { font-size: 1.1rem; margin: 0 0 0.75rem; }
.lg-related ul { margin: 0; padding-left: 1.1rem; }
.lg-related li { margin: 0.4rem 0; color: var(--muted, #a8b6d4); }
.lg-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.5rem 0;
}
.lg-index-hero { max-width: 40rem; margin-bottom: 1.5rem; }
.lg-track-block { margin: 2.25rem 0; }
.lg-track-block h2 {
  font-size: 1.2rem;
  margin: 0 0 0.85rem;
  color: #e0e7ff;
}
.lg-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}
.lg-card {
  display: flex;
  flex-direction: column;
  padding: 1.15rem 1.2rem;
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.16);
  background: rgba(14, 20, 36, 0.9);
  text-decoration: none;
  color: inherit;
  min-height: 100%;
  transition: border-color 0.15s, transform 0.15s;
}
.lg-card:hover {
  border-color: rgba(129, 140, 248, 0.45);
  transform: translateY(-2px);
}
.lg-card .lg-track { margin-bottom: 0.4rem; }
.lg-card h3 {
  font-size: 1.05rem;
  margin: 0 0 0.45rem;
  color: #f4f7ff;
  line-height: 1.3;
}
.lg-card p {
  margin: 0;
  color: var(--muted, #a8b6d4);
  font-size: 0.9rem;
  line-height: 1.55;
  flex: 1;
}
.lg-card .more {
  margin-top: 0.85rem;
  color: #93c5fd;
  font-weight: 600;
  font-size: 0.88rem;
}
@media (max-width: 640px) {
  .lg-wrap { padding: 1.15rem 1rem 3rem; }
}