.btn {
  display: inline-block;
  padding: 0.5rem 0.9rem;
  border-radius: 6px;
  border: 1px solid #0366d6;
  color: #0366d6;
  background: transparent;
  text-decoration: none !important;
}
.btn:hover { background: rgba(3,102,214,0.08); }
.btn-primary {
  background: #0366d6;
  color: #fff !important;
}
.btn-primary:hover { background: #035fc8; }
.btn-outline { background: transparent; }

.lmm-wrap { display:flex; gap:28px; }
.lmm-sidebar { width:240px; flex:0 0 240px; }
.lmm-main { flex:1 1 auto; min-width:0; }

.sidebar { position:sticky; top:24px; padding-right:12px; }
.sidebar-title { font-weight:600; margin:0 0 10px; font-size:16px; }
.sidebar-nav { list-style:none; padding-left:0; margin:0; }
.sidebar-nav li { margin:8px 0; }
.sidebar-nav a { text-decoration:none; }
.sidebar-sep { border-top:1px solid #e1e4e8; margin:12px 0; }

/* Light typographic polish */
h1,h2,h3 { letter-spacing: -0.2px; }
p, li { line-height: 1.6; }

/* active nav state (match current page) */
.sidebar-nav a[aria-current="page"],
.sidebar-nav a.active {
  color: #24292e;
  font-weight: 600;
  border-left: 3px solid #0366d6;
  padding-left: 8px;
}

/* nicer content width */
.lmm-main { max-width: 980px; }