.shell-header {
  z-index: 20;
  display: flex;
  min-width: 0;
  height: var(--header-height);
  color: var(--paper);
  background: var(--ink);
  border-bottom: 1px solid var(--paper);
}
.start-control {
  display: flex;
  flex: 0 0 112px;
  align-items: center;
  justify-content: space-between;
  width: 112px;
  height: 48px;
  padding: 0 16px;
  border: 0;
  border-right: 1px solid var(--paper);
  color: var(--paper);
  background: var(--ink);
  font-size: 14px;
  text-align: left;
}
.start-control:hover { color: var(--ink); background: var(--paper); }
.start-control:focus-visible, .brand:focus-visible { outline-offset: -5px; }
.start-mark { font-size: 23px; font-weight: 300; line-height: 1; }
.brand {
  display: flex;
  align-items: center;
  min-width: 0;
  padding: 0 24px;
  text-decoration: none;
}
.brand-wordmark {
  font-family: "Courier New", Courier, monospace;
  font-size: clamp(12px, 1.25vw, 16px);
  font-weight: 600;
  letter-spacing: 0;
  white-space: nowrap;
}
.header-version {
  display: flex;
  flex: 0 0 clamp(144px, 14vw, 224px);
  align-items: center;
  justify-content: center;
  margin-left: auto;
  padding: 0 24px;
  border-left: 1px solid var(--paper);
  font-size: 12px;
  white-space: nowrap;
}