.nav-auth {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  position: relative;
}

/* Lab fuel — all pages that load nav-auth.css */
.nav-fuel-badge {
  font-family: var(--font-mono, 'Space Mono', ui-monospace, monospace);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.45rem 0.55rem;
  border-radius: 4px;
  border: 1px solid currentColor;
  line-height: 1;
  white-space: nowrap;
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.92);
}

body.feed-theme .nav-fuel-badge {
  border-color: var(--feed-border, #e5e5e5);
}

body.challenge-theme .nav-fuel-badge {
  background: rgba(15, 15, 15, 0.85);
}

.nav-account-stats {
  padding: 0.35rem 0.85rem 0.2rem;
  font-family: var(--font-mono, 'Space Mono', ui-monospace, monospace);
}

.nav-account-stat-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  column-gap: 1rem;
  padding: 0.22rem 0;
}

.nav-account-stat-label {
  color: var(--muted, #64748b);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.6rem;
  font-weight: 700;
}

.nav-account-stat-value {
  font-size: 0.85rem;
  font-weight: 700;
  text-align: right;
  white-space: nowrap;
}

.nav-account-stat-buy {
  display: flex;
  justify-content: flex-end;
  padding: 0 0 0.35rem;
}

.nav-account-fuel-buy {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #6366f1;
  text-decoration: none;
  padding: 0.15rem 0;
}

.nav-account-fuel-buy:hover {
  color: #4f46e5;
  text-decoration: underline;
}

.nav-account-wrap {
  position: relative;
}

#nav-account-trigger {
  font-family: var(--font-mono, 'Space Mono', ui-monospace, monospace);
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
  padding: 0.45rem 0.75rem;
  border-radius: 4px;
  border: 1px solid var(--border, #1f2835);
  background: transparent;
  color: var(--accent, #3dff9c);
  max-width: min(52vw, 14rem);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#nav-account-trigger:hover {
  border-color: var(--cyan, #22d3ee);
  box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.15);
}

#nav-account-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 0.35rem);
  min-width: 15.5rem;
  max-width: min(92vw, 18rem);
  padding: 0.55rem 0;
  border-radius: 6px;
  border: 1px solid var(--cyan, #22d3ee);
  background: var(--bg-elevated, #0d1118);
  box-shadow:
    0 0 0 1px rgba(34, 211, 238, 0.12),
    0 12px 36px rgba(0, 0, 0, 0.55);
  z-index: 50;
}

#nav-account-menu:not(.hidden) {
  display: block;
}

.nav-account-head {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.35rem 0.85rem 0.55rem;
}

.nav-account-avatar {
  flex-shrink: 0;
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 4px;
  border: 1px solid var(--cyan, #22d3ee);
  background: rgba(34, 211, 238, 0.08);
  font-family: var(--font-mono, 'Space Mono', ui-monospace, monospace);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--cyan, #22d3ee);
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-account-meta {
  min-width: 0;
  flex: 1;
}

.nav-account-name {
  font-family: var(--font-mono, 'Space Mono', ui-monospace, monospace);
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--fg, #e6edf3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-account-email {
  font-family: var(--font-mono, 'Space Mono', ui-monospace, monospace);
  font-size: 0.62rem;
  color: var(--muted, #8b949e);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-account-divider {
  height: 1px;
  margin: 0.25rem 0;
  background: var(--border, #1f2835);
  border: none;
}

#nav-total-cpe.nav-account-stat-value {
  color: var(--fg, #e6edf3);
}

body.feed-theme .nav-account-stat-label {
  color: var(--feed-muted, #64748b);
}

body.feed-theme #nav-total-cpe.nav-account-stat-value {
  color: var(--feed-fg, #1a1a1a);
}

body.challenge-theme .nav-account-stat-label {
  color: var(--challenge-muted, #888);
}

body.challenge-theme #nav-total-cpe.nav-account-stat-value {
  color: var(--challenge-fg, #e8e8e8);
}

.nav-account-link {
  display: block;
  padding: 0.45rem 0.85rem;
  font-family: var(--font-mono, 'Space Mono', ui-monospace, monospace);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent, #3dff9c);
  text-decoration: none;
  border: none;
  background: transparent;
  text-align: left;
  width: 100%;
  cursor: pointer;
}

.nav-account-link:hover {
  background: rgba(34, 211, 238, 0.08);
  color: var(--cyan, #22d3ee);
}

.nav-account-signout {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0.45rem 0.85rem;
  font-family: var(--font-mono, 'Space Mono', ui-monospace, monospace);
  font-size: 0.72rem;
  font-weight: 700;
  text-align: left;
  border: none;
  background: transparent;
  color: var(--fg, #e6edf3);
  cursor: pointer;
}

.nav-account-signout:hover {
  background: rgba(61, 255, 156, 0.08);
  color: var(--accent, #3dff9c);
}