.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: var(--spacing-lg);
}

.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  display: grid;
  gap: var(--spacing-md);
}

.auth-card label {
  display: block;
}

.auth-card label span {
  display: block;
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}

.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  grid-template-rows: var(--topbar-height) 1fr;
  grid-template-areas:
    "topbar topbar"
    "sidebar view";
  min-height: 100vh;
}

#topbar {
  grid-area: topbar;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: 0 var(--spacing-lg);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 600;
}

.topbar-version {
  font-size: 11px;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  background: var(--color-surface-raised);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.topbar-spacer {
  flex: 1 1 auto;
}

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

.topbar-admin-email {
  color: var(--color-text-muted);
  font-size: 13px;
}

#sidebar {
  grid-area: sidebar;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  padding: var(--spacing-md) 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.nav {
  display: flex;
  flex-direction: column;
}

.nav-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 10px var(--spacing-lg);
  background: transparent;
  color: var(--color-text);
  border: 0;
  border-left: 3px solid transparent;
  border-radius: 0;
  font-weight: 500;
}

.nav-item:hover {
  background: var(--color-surface-raised);
  color: var(--color-text);
}

.nav-item.is-active {
  background: var(--color-surface-raised);
  border-left-color: var(--color-accent);
  color: var(--color-text);
}

.sidebar-footer {
  margin-top: auto;
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  font-size: 12px;
  color: var(--color-text-muted);
}

.sidebar-footer a {
  color: var(--color-text-muted);
}

.sidebar-footer a.is-active {
  color: var(--color-text);
  font-weight: 600;
}

.view {
  grid-area: view;
  padding: var(--spacing-lg);
  overflow-y: auto;
}

.page-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.page-header h1 {
  margin: 0;
}

.page-subtitle {
  color: var(--color-text-muted);
  font-size: 13px;
}

.page-actions {
  display: flex;
  gap: var(--spacing-sm);
}