/* styles.css */
body {
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
}

.gradient-hero {
  background: radial-gradient(circle at 20% 20%, rgba(56, 189, 248, 0.15), transparent 35%),
              radial-gradient(circle at 80% 0%, rgba(99, 102, 241, 0.2), transparent 30%),
              linear-gradient(135deg, #0f172a, #0b1221);
}

.tab-pane-section { display: none; }
.tab-pane-section.active { display: block; }

.mechanics-list {
  max-height: 60vh;
  overflow-y: auto;
}

.mechanics-list .list-group-item {
  border: 1px solid var(--bs-border-color-translucent);
}

.mechanics-list .list-group-item.active {
  background-color: #0d6efd;
  border-color: #0d6efd;
}

.detail-badge {
  font-size: 0.85rem;
}

.guide-card {
  background: #fff;
  color: #0f172a;
  border: 1px solid var(--bs-border-color);
  border-radius: 0.75rem;
  padding: 1.5rem;
}

.guide-card h3 {
  margin-bottom: 1rem;
}

.info-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  background: var(--bs-light-bg-subtle);
  border: 1px solid var(--bs-border-color);
  margin-right: 0.35rem;
  margin-bottom: 0.35rem;
  font-size: 0.875rem;
}

.roadmap-card {
  border: 1px solid var(--bs-border-color);
  border-radius: 0.85rem;
  background: #fff;
  color: #0f172a;
  height: 100%;
}

.system-card {
  border: 1px solid var(--bs-border-color);
  border-radius: 0.85rem;
  background: #fff;
  color: #0f172a;
  height: 100%;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.system-card .status-tag {
  font-size: 0.85rem;
}

.text-muted-80 {
  color: rgba(0, 0, 0, 0.6);
}

@media (max-width: 768px) {
  .mechanics-list {
    max-height: 40vh;
  }
}