.header {
  height: var(--header-height);
  flex: 0 0 var(--header-height);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #111e26 0%, var(--surface-alt) 62%, #0a161c 100%);
  border-bottom: 1px solid var(--dock-line);
  position: relative;
}

.header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  background: linear-gradient(90deg, var(--aurora-cyan), transparent 70%);
}

.header h1 {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
}