/* Header */
.app-header {
  background: var(--header-bg);
  border-bottom: 1px solid var(--border);
  padding: 8px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.app-header .brand {
  display: flex;
  align-items: center;
  gap: 8px;
}
.app-header .brand img {
  height: 47px;
}
.app-header .brand strong {
  font-size: 18px;
}
.app-header .brand small {
  display: block;
  font-size: 12px;
  color: var(--text-secondary);
}

/* Navigation */
.main-nav {
  display: flex;
  gap: 16px;
}
.main-nav a {
  color: var(--text-secondary);
  font-weight: 600;
  padding: 6px 8px;
  border-radius: var(--radius-control);
  transition: background 0.15s ease;
}
.main-nav a.active {
  color: var(--primary);
  background: var(--primary-soft);
}
.main-nav a:hover {
  background: var(--surface-soft);
  color: var(--text-main);
}

/* Main content area */
#main-content {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
}

/* Dashboard grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

/* Footer (optional) */
.app-footer {
  padding: 12px 16px;
  font-size: 12px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  background: var(--header-bg);
}