.layout-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.layout-main-container {
  display: flex;
  flex: 1;
  min-height: 0;
  position: relative;
}

.layout-sidebar {
  display: none; /* Mobile-first: Ẩn sidebar trên mobile */
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background-color: var(--bg-secondary);
  border-right: 1px solid var(--border-subtle);
  overflow-y: auto;
  position: sticky;
  top: var(--topbar-height);
  height: calc(100vh - var(--topbar-height));
}

.layout-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* Tablet / Desktop Breakpoint */
@media (min-width: 900px) {
  .layout-sidebar {
    display: flex;
    flex-direction: column;
  }
}