/* Extend Furo's theme variables so every component follows the color mode. */
body {
  --sd-color-primary: var(--color-brand-primary);
  --sd-color-primary-highlight: var(--color-brand-content);
  --sd-color-primary-text: var(--color-background-primary);
  --sd-color-secondary: var(--color-foreground-secondary);
  --sd-color-secondary-highlight: var(--color-foreground-primary);
  --sd-color-secondary-text: var(--color-background-primary);
}

.lead {
  color: var(--color-foreground-secondary);
  font-size: 1.15rem;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0 2rem;
}
.hero-actions p { margin: 0; }
.hero-actions .sd-btn {
  padding: 0.6rem 1rem;
  border-radius: 0.3rem;
  font-weight: 600;
}

.content .architecture {
  margin: 1.8rem 0;
  padding: 1.2rem 1.4rem;
  border: 1px solid var(--color-background-border);
  border-left: 3px solid var(--color-brand-primary);
  border-radius: 0.3rem;
  background: var(--tirx-panel);
}
.architecture p:last-child { margin-bottom: 0; }
.architecture code { white-space: normal; }

.component-grid .sd-card {
  border: 1px solid var(--color-background-border);
  border-radius: 0.4rem;
  box-shadow: none !important;
  background: var(--color-background-primary);
  transition: border-color 0.15s ease, background-color 0.15s ease;
}
.component-grid .sd-card:hover, .component-grid .sd-card:focus-within {
  border-color: var(--color-brand-primary);
  background: var(--tirx-panel);
}
.component-grid .sd-card-title {
  font-family: var(--font-stack--monospace);
  font-size: 1.15rem;
  line-height: 1.3;
  overflow-wrap: anywhere;
}
.component-subtitle {
  color: var(--color-brand-content);
  font-size: 0.85rem;
  font-weight: 600;
}
.component-subtitle p { margin: 0; }
.component-grid .sd-card-body { padding: 1rem; font-size: 0.9rem; }
.component-grid .sd-card-footer {
  border-top-color: var(--color-background-border);
  color: var(--color-brand-content);
  font-size: 0.8rem;
}

.table-wrapper { max-width: 100%; overflow-x: auto; }
.content .highlight { border-radius: 0.4rem; }

.agent-loop-diagram { margin: 1.5rem 0; overflow-x: auto; }
.agent-loop-diagram svg { display: block; width: 100%; min-width: 640px; height: auto; }
.agent-loop-diagram .agent-panel {
  fill: var(--color-background-secondary);
  stroke: var(--color-background-border);
}
.agent-loop-diagram .component-panel {
  fill: var(--tirx-panel);
  stroke: var(--color-background-border);
}
.agent-loop-diagram .node-title { fill: var(--color-foreground-primary); }
.agent-loop-diagram .detail, .agent-loop-diagram .arrowhead {
  fill: var(--color-foreground-secondary);
}
.agent-loop-diagram .edges { stroke: var(--color-foreground-secondary); }

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--color-brand-primary);
  outline-offset: 3px;
}

@media (max-width: 767px) {
  .lead { font-size: 1.05rem; }
  .content .architecture { padding: 1rem; }
  .content { overflow-wrap: anywhere; }
}
@media (prefers-reduced-motion: reduce) {
  .component-grid .sd-card { transition: none; }
}