.sidebar-card {
  background: #ffffff;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 6px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.06);
  padding: 16px;
}
.sidebar-logo {
  margin-bottom: 16px;
}
.sidebar-fixed {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 300px;
  padding: 24px 16px;
  background: #fafafa;
  border-right: 1px solid rgba(0,0,0,0.08);
  box-shadow: 2px 0 12px rgba(0,0,0,0.05);
  overflow-y: auto;
}
.content-with-sidebar {
  margin-left: 300px;
  padding: 24px;
}
.sidebar-card .section-title {
  font-weight: 600;
  margin: 0 0 8px 0;
  font-size: 16px;
}
.details-group {
  margin-bottom: 12px;
}
.details-group summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 4px;
  font-weight: 600;
}
.details-group summary::-webkit-details-marker { display: none; }
.details-group summary .title {
  display: inline-block;
}
.details-group summary .caret {
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 8px;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 6px solid #555;
  transition: transform 150ms ease;
  transform-origin: 50% 50%;
}
.details-group[open] summary .caret { transform: rotate(90deg); }

/* hide any default markers to avoid double carets */
summary::-webkit-details-marker, summary::marker {
  display: none;
  font-size: 0;
  color: transparent;
}
.sidebar-card .list-group-item {
  border: none;
  border-radius: 4px;
  margin-bottom: 4px;
  font-size: 14px;
  padding: 10px 12px;
}
.sidebar-card .list-group-item.active {
  background-color: #1976d2 !important;
  color: #fff !important;
}
.sidebar-spacer {
  height: 16px;
}

/* Unified theme across both demos */
body {
  color: #222;
  background-color: #f7f7f7;
}
.list-group-item {
  color: #222 !important;
  background: transparent;
}
.list-group-item:hover {
  background: rgba(25, 118, 210, 0.08);
}
a, .nav-link {
  color: #1976d2;
}
a:hover, .nav-link:hover {
  color: #125aa0;
  text-decoration: none;
}
h1, h2, h3, h4, h5, h6 { color: #1a1a1a; }