/* layout.css */
.app-layout {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

.sidebar {
  width: 250px;
  background-color: var(--surface-color);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
}

.sidebar-header {
  padding: var(--space-lg);
  border-bottom: 1px solid var(--border-color);
}

.sidebar-nav {
  padding: var(--space-md);
  flex-grow: 1;
  overflow-y: auto;
}

.main-wrapper {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.topnav {
  height: 60px;
  background-color: var(--surface-color);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-lg);
}

.main-content {
  flex-grow: 1;
  overflow-y: auto;
  padding: var(--space-xl);
  background-color: var(--bg-color);
}