.container {
  max-width: var(--container-lg);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.container-wide {
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.container-home {
  width: min(1465px, calc(100% - (var(--space-4) * 2)));
  margin: 0 auto;
}

.section {
  padding: var(--space-8) 0;
}

.section-sm {
  padding: var(--space-4) 0;
}

.section-lg {
  padding: var(--space-7) 0;
}

.page-shell {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
  background: var(--color-bg);
}

.page-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky, 40);
}

.page-content {
  flex: 1;
  
}

.page-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.content-grid {
  display: grid;
  gap: var(--space-5);
}

.sidebar-layout {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 3fr 1.2fr;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.cluster {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.cluster-between {
  justify-content: space-between;
  width: 100%;
}