/* Admonitions */
.admonition {
  border-radius: 0.5rem;
  padding: 1rem 1.25rem;
  margin: 1rem 0;
  font-size: 0.875rem;
  line-height: 1.5;
}
.admonition-title {
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.admonition-tip {
  background-color: #eff6ff;
  border-left: 4px solid #3b82f6;
  color: #1e40af;
}
.admonition-tip .admonition-title { color: #1d4ed8; }
.admonition-note {
  background-color: #f9fafb;
  border-left: 4px solid #9ca3af;
  color: #374151;
}
.admonition-note .admonition-title { color: #4b5563; }
.admonition-warning {
  background-color: #fffbeb;
  border-left: 4px solid #f59e0b;
  color: #92400e;
}
.admonition-warning .admonition-title { color: #b45309; }

/* Screenshots */
.screenshot {
  border: 1px solid #e5e7eb;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  margin: 1.5rem 0;
}
.screenshot img {
  display: block;
  width: 100%;
  height: auto;
}
.screenshot-caption {
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
  color: #6b7280;
  background: #f9fafb;
  border-top: 1px solid #e5e7eb;
  text-align: center;
}

/* Prose overrides for topic content */
.prose h2 { font-size: 1.25rem; font-weight: 700; margin-top: 2rem; margin-bottom: 0.75rem; color: #1f2937; }
.prose h3 { font-size: 1.125rem; font-weight: 600; margin-top: 1.5rem; margin-bottom: 0.5rem; color: #1f2937; }
.prose h4 { font-size: 1rem; font-weight: 600; margin-top: 1.25rem; margin-bottom: 0.5rem; color: #374151; }
.prose p { margin-bottom: 0.75rem; color: #4b5563; }
.prose ul { margin-bottom: 0.75rem; padding-left: 1.25rem; }
.prose li { margin-bottom: 0.25rem; color: #4b5563; }
.prose code { background: #f3f4f6; padding: 0.125rem 0.375rem; border-radius: 0.25rem; font-size: 0.8125rem; }
.prose pre { background: #f3f4f6; border-radius: 0.5rem; padding: 0.75rem 1rem; overflow-x: auto; margin: 0.75rem 0; }
.prose pre code { background: none; padding: 0; font-size: 0.8125rem; }
.prose a { color: #2563eb; text-decoration: none; }
.prose a:hover { text-decoration: underline; }
.prose strong { color: #1f2937; }

/* Keyboard shortcuts */
kbd {
  display: inline-block;
  padding: 0.125rem 0.375rem;
  font-size: 0.75rem;
  font-family: ui-monospace, SFMono-Regular, monospace;
  color: #374151;
  background: #f9fafb;
  border: 1px solid #d1d5db;
  border-radius: 0.25rem;
  box-shadow: 0 1px 0 #d1d5db;
}

/* Card grid on landing page */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}
.topic-card {
  display: block;
  text-decoration: none;
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 0.75rem;
  padding: 1.25rem;
  transition: box-shadow 0.15s, border-color 0.15s;
}
.topic-card:hover {
  border-color: #93c5fd;
  box-shadow: 0 4px 6px -1px rgba(0,0,0,0.07);
  text-decoration: none;
}
.topic-card h3 { font-size: 1rem; font-weight: 600; color: #1f2937; margin: 0 0 0.375rem 0; }
.topic-card p { font-size: 0.8125rem; color: #6b7280; line-height: 1.5; margin: 0; }