/* Application Layout Styles */

.app-header {
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border-primary);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}

.app-title {
  margin: 0;
  font-size: var(--font-size-xl);
}

.app-logo {
  color: var(--color-text-primary);
  transition: opacity var(--transition-fast);
  display: inline-block;
  white-space: nowrap;
}

.app-logo:hover {
  opacity: 0.8;
  text-decoration: none;
}

.app-logo:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

.app-nav {
  gap: var(--spacing-lg);
}

.theme-toggle {
  font-size: var(--font-size-lg);
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
}

.app-main {
  min-height: calc(100vh - 200px);
  padding: var(--spacing-xl) 0;
}

.app-footer {
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border-primary);
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-2xl);
  text-align: center;
}

.app-footer p {
  margin-bottom: 0;
  font-size: var(--font-size-sm);
}

/* Sidebar Layout for Room Management */
.sidebar-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
}

@media (min-width: 1024px) {
  .sidebar-layout {
    grid-template-columns: 250px 1fr;
  }
}

.sidebar {
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  border: 1px solid var(--color-border-primary);
  height: fit-content;
}

.sidebar-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.sidebar-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.sidebar-item {
  padding: var(--spacing-md);
  background-color: var(--color-bg-primary);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-primary);
  transition: all var(--transition-fast);
}

.sidebar-item:hover {
  background-color: var(--color-bg-tertiary);
  border-color: var(--color-primary);
}

.sidebar-item a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  color: var(--color-text-primary);
}

.sidebar-item a:hover {
  text-decoration: none;
  color: var(--color-primary);
}

/* Responsive */
@media (max-width: 768px) {
  .app-header {
    padding: var(--spacing-md) 0;
  }

  .app-header .container {
    flex-direction: row;
    align-items: center;
  }

  .app-title {
    font-size: var(--font-size-lg);
  }

  .app-main {
    min-height: calc(100vh - 150px);
    padding: var(--spacing-md) 0;
  }

  .sidebar-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    order: 2;
  }

  .app-nav {
    gap: var(--spacing-md);
  }
}