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

.sidebar {
  width: var(--sidebar-width);
  background-color: var(--sidebar-bg);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  transition: width var(--transition-normal);
  z-index: 10;
}

.sidebar-header {
  height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
}

.sidebar-header .logo {
  font-size: var(--font-size-h2);
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.sidebar-nav {
  flex: 1;
  padding: var(--spacing-md) 0;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  margin: 0 var(--spacing-sm);
  border-radius: var(--border-radius-md);
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  transition: background-color var(--transition-fast), color var(--transition-fast);
  margin-bottom: var(--spacing-xs);
}

.nav-item:hover {
  background-color: var(--sidebar-hover);
}

.nav-item.active {
  background-color: var(--sidebar-active-bg);
  color: var(--sidebar-active-text);
}

.nav-item .material-symbols-outlined {
  margin-right: var(--spacing-md);
  font-size: 20px;
}

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

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

.header-left, .header-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.content-area {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-xl);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-lg);
}

.fab-container {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  z-index: 100;
}