/* Rude Valley shell and header, using the shared design-system tokens. */
.lab-page {
  margin: 0;
  min-height: 100dvh;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-ui);
}

.lab-header,
.lab-header * {
  box-sizing: border-box;
}

.lab-header {
  color-scheme: dark;
  width: min(1200px, calc(100% - var(--space-8)));
  margin: var(--space-6) auto 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 14px 14px 0 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-ui);
  font-size: 14px;
  line-height: 1.5;
}

.lab-statusbar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--space-4);
  min-height: 52px;
  padding: var(--space-3) var(--space-6);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.lab-window-lights { display: inline-flex; gap: var(--space-2); }
.lab-window-lights i { width: 10px; height: 10px; border-radius: 50%; background: var(--color-window-close); }
.lab-window-lights i:nth-child(2) { background: var(--color-window-ready); }
.lab-window-lights i:nth-child(3) { background: var(--color-window-open); }
.lab-build { color: var(--color-text-muted); font-size: 13px; white-space: nowrap; }
.lab-status { display: inline-flex; justify-self: end; align-items: center; gap: var(--space-2); color: var(--color-accent); font-size: 13px; }
.lab-status-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.lab-header-body { padding: var(--space-4) var(--space-3) var(--space-3); }
.lab-wordmark { display: inline-block; padding: 0 1px; color: var(--color-text); font-family: var(--font-ui); font-size: 22px; font-weight: 700; line-height: 1.5; letter-spacing: -1.5px; text-decoration: none; }
.lab-wordmark span { color: var(--color-accent); }
.lab-tagline { margin: var(--space-1) 0 var(--space-3); color: var(--color-text-muted); font-size: 10px; line-height: 1.6; letter-spacing: 2px; }
.lab-nav { display: flex; flex-wrap: wrap; gap: var(--space-1); }
.lab-nav-item { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-6); min-height: 50px; padding: var(--space-3); border: 1px solid transparent; border-radius: var(--radius-sm); color: var(--color-text-muted); text-decoration: none; white-space: nowrap; transition: background-color 120ms ease, color 120ms ease, border-color 120ms ease; }
.lab-nav-icon { display: inline-grid; place-items: center; width: 12px; font-size: 15px; }
.lab-nav-item[aria-current] { background: var(--color-nav-active); border-color: var(--color-nav-active-border); color: var(--color-accent); }
.lab-nav-item[href]:hover { background: var(--color-surface-raised); color: var(--color-accent-hover); border-color: var(--color-border); }
.lab-header a:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.lab-nav-item--disabled { cursor: default; }
.lab-nav-soon { padding: 1px var(--space-1); border: 1px solid var(--color-border); border-radius: var(--radius-sm); font-size: 9px; line-height: 1.5; text-transform: uppercase; letter-spacing: .5px; }

@media (max-width: 640px) {
  .lab-header { margin-top: var(--space-4); }
  .lab-statusbar { gap: var(--space-2); padding-inline: var(--space-3); }
  .lab-build { font-size: 10px; }
  .lab-status { font-size: 10px; gap: var(--space-1); }
  .lab-window-lights { gap: var(--space-1); }
  .lab-window-lights i { width: 7px; height: 7px; }
  .lab-nav { display: flex; }
  .lab-nav-item { justify-content: flex-start; gap: var(--space-3); min-height: 44px; font-size: 12px; }
  .lab-nav-soon { margin-left: auto; font-size: 8px; }
}

@media (max-width: 360px) {
  .lab-statusbar { grid-template-columns: auto 1fr; }
  .lab-build { grid-column: 1 / -1; grid-row: 2; }
  .lab-status { grid-column: 2; grid-row: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .lab-nav-item { transition: none; }
}