:root {
  --header-background-color: #fbfbfb;
  --header-background-color-hover: #f0f0f0;
  --header-border-radius: 8px;
  --header-border-color: #1d1d1d;
}
header{
  color: #141414;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding:0 16px;
  height: 40px;
  border-bottom: 0.5px solid #1d1d1d;
  background: var(--header-background-color);
  gap: 12px;
  position: relative;
  margin-bottom: 10px;
}
.header-dropdown-wrapper{
  display: flex;
}
.header-scalingbtn,
.header-alignbtn {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  width: fit-content;
  height: fit-content;
  background: transparent;
}

header .pressed{
  outline: inset 1px #eee;
  outline-offset: -4px;
  border-radius: var(--header-border-radius);
}

.header-alignbtn .icon-btn:not(.active){ display: none; }

header .icon-btn{
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  flex-shrink:0;
  transition: background 0.15s, color 0.15s;
  border-radius: var(--header-border-radius);
  cursor: pointer;
}
header .icon-btn:hover{
  background: var(--header-background-color-hover);
}
header .icon-btn svg{
  width:16px;
  height: 16px;
  fill: currentColor;
}
.header-title{
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
  flex: 1;
  text-align: center;
  overflow: hidden;
}

header .dropdown{
  position: absolute;
  top: 40px;
  left: 0px;
  background: var(--header-background-color);
  border:0.5px solid var(--header-border-color);
  border-left: 0;
  border-radius: 0 0 var(--header-border-radius) 0;
  padding: 6px;
  display: none;
  flex-direction: column;
  gap: 2px;
  z-index: 100;
  min-width: 180px;
  box-shadow: none;
}
header .dropdown.open{ display:flex }
header .dropdown a{
  font-size: 13px;
  text-decoration: none;
  padding: 7px 10px;
  border-radius: var(--header-border-radius);
  transition: background 0.12s;
}
.dropdown a:hover{ background:var(--header-background-color-hover); }