.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
  background-color: var(--background-color);
  border-bottom: 1px solid var(--border-color);
  height: 60px;
  box-sizing: border-box;
  width: 100%;
}

.app-header__left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.app-header__menu-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-color);
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background-color 0.2s;
}

.app-header__menu-btn:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

.app-header__title {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
  color: var(--text-color);
}