.header {
    height: 64px;
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 10;
}

.header-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}