:root {
  --panel-max: 960px;
  --panel-gap: clamp(1rem, 4vw, 3rem);
  --nav-h: 52px;
}

.dash-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg, #f7f6f2);
  border-bottom: 1px solid var(--color-border, #d4d1ca);
  display: flex;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  height: var(--nav-h);
}
.dash-nav::-webkit-scrollbar { display: none; }

.dash-nav-btn {
  flex: 0 0 auto;
  padding: 0 1.25rem;
  height: 100%;
  border: none;
  border-bottom: 3px solid transparent;
  background: none;
  color: var(--color-text-muted, #7a7974);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
  white-space: nowrap;
  transition: color 160ms, border-color 160ms;
}
.dash-nav-btn:hover { color: var(--color-text, #28251d); }
.dash-nav-btn.active {
  color: var(--color-primary, #01696f);
  border-bottom-color: var(--color-primary, #01696f);
}

.dash-panel {
  display: none;
  padding-top: var(--panel-gap);
  padding-bottom: calc(var(--panel-gap) * 2);
  min-height: calc(100vh - var(--nav-h));
}
.dash-panel.active { display: block; }