/* ===== Main Content ===== */
.main-content {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  transition: margin-left 0.25s ease;
}
.sidebar.collapsed ~ .main-content { margin-left: var(--sidebar-collapsed); }

/* ===== Page Sections ===== */
.page { display: none; padding: 24px; }
.page.active { display: block; }

/* ===== Chart Row ===== */
.chart-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}
.chart-card { min-height: 280px; }

/* ===== Section Toolbar ===== */
.section-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.section-title { font-size: 18px; font-weight: 700; letter-spacing: -0.02em; }
.toolbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}