/* ---------- header ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--fg);
  text-decoration: none;
  font-weight: 650;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #fff, var(--violet) 40%, var(--magenta) 85%);
  box-shadow: 0 0 18px rgba(139, 92, 246, 0.8);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: rgba(7, 6, 11, 0.5);
  backdrop-filter: blur(12px);
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.6);
  animation: ping 2s ease-out infinite;
}

@keyframes ping {
  0% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.6); }
  100% { box-shadow: 0 0 0 8px rgba(52, 211, 153, 0); }
}

@media (max-width: 520px) {
  .status-pill { font-size: 0; gap: 0; padding: 0.55rem; }
}