.hub-callout {
  border-radius: 0.9rem;
  border-left: 4px solid transparent;
  padding: 1.25rem;
  margin: 1.5rem 0;
  box-shadow: 0 18px 30px rgba(15, 23, 42, 0.08);
  background-color: #f8fafc;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.prose-lg .hub-callout :where(p):not(:where(.not-prose, .not-prose *)) {
  margin-top: 0;
  margin-bottom: 0;
}
.hub-callout:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 50px rgba(15, 23, 42, 0.12);
}
.hub-callout__header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}
.hub-callout__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
}
.hub-callout__body > *:first-child { margin-top: 0; }
.hub-callout__body > *:last-child { margin-bottom: 0; }
.hub-callout__body p { margin-top: 0; margin-bottom: 0.85rem; }
.hub-callout__body p:last-child { margin-bottom: 0; }
.hub-callout__body ul,
.hub-callout__body ol {
  padding-left: 1.35rem;
  margin: 0.6rem 0;
}
.hub-callout__body ul { list-style-type: disc; list-style-position: outside; }
.hub-callout__body ol { list-style-type: decimal; list-style-position: outside; }
.hub-callout__body li { margin-bottom: 0.35rem; }
.hub-callout__body li:last-child { margin-bottom: 0; }
.hub-callout__body a {
  color: inherit;
  text-decoration: underline dotted;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
}
.hub-callout__body a::after {
  content: "";
  width: 1rem;
  height: 1rem;
  background: currentColor;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M15 3h6v6'/%3E%3Cpath d='M10 14 21 3'/%3E%3Cpath d='M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6'/%3E%3C/svg%3E") center / contain no-repeat;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M15 3h6v6'/%3E%3Cpath d='M10 14 21 3'/%3E%3Cpath d='M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6'/%3E%3C/svg%3E") center / contain no-repeat;
}
.hub-callout--info { background-color: #eff6ff; color: #1e3a8a; border-left-color: #3b82f6; }
.hub-callout--success { background-color: #ecfdf5; color: #14532d; border-left-color: #22c55e; }
.hub-callout--warning { background-color: #fefce8; color: #713f12; border-left-color: #eab308; }
.hub-callout--danger { background-color: #fef2f2; color: #7f1d1d; border-left-color: #ef4444; }
.hub-callout--neutral { background-color: #f9fafb; color: #111827; border-left-color: #9ca3af; }
.hub-callout--accent { background-color: #eef2ff; color: #312e81; border-left-color: #6366f1; }
.hub-callout__title {
  margin: 0;
}
.dark .hub-callout { color: #f8fafc; }
.dark .hub-callout--info { background-color: rgba(37, 99, 235, 0.18); border-left-color: #60a5fa; color: #dbeafe; }
.dark .hub-callout--success { background-color: rgba(22, 163, 74, 0.22); border-left-color: #4ade80; color: #bbf7d0; }
.dark .hub-callout--warning { background-color: rgba(234, 179, 8, 0.25); border-left-color: #facc15; color: #fde68a; }
.dark .hub-callout--danger { background-color: rgba(239, 68, 68, 0.25); border-left-color: #f87171; color: #fecaca; }
.dark .hub-callout--neutral { background-color: rgba(51, 65, 85, 0.7); border-left-color: #cbd5f5; color: #e5e7eb; }
.dark .hub-callout--accent { background-color: rgba(99, 102, 241, 0.24); border-left-color: #c084fc; color: #e0e7ff; }