/* ═══════════════════════════════════════════════════════════════
   APP HEADER
   ═══════════════════════════════════════════════════════════════ */
.app-header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  height: 56px;
  padding: 0 var(--space-6);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  gap: var(--space-6);
}
.app-header__brand { display: flex; align-items: center; gap: var(--space-3); }
.app-header__logo {
  width: 28px; height: 28px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--brand-golden) 0%, var(--brand-orange) 50%, var(--brand-red) 100%);
  display: flex; align-items: center; justify-content: center;
  color: var(--wine-400);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: -0.04em;
  text-decoration: none;
}
.app-header__title {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  text-decoration: none;
}
.app-header__title span { color: var(--text-tertiary); font-weight: 400; margin-left: var(--space-2); }

.app-header__status {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
}
.app-header__status-item { display: flex; align-items: center; gap: 6px; }
.app-header__status-item svg { width: 14px; height: 14px; }
.status-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--success-400);
  box-shadow: 0 0 8px var(--success-400);
  animation: pulse 2s ease-in-out infinite;
}
.status-dot--info { background: var(--info-400); box-shadow: 0 0 8px var(--info-400); }
.status-dot--warn { background: var(--warn-color); box-shadow: 0 0 8px var(--warn-color); }
.status-dot--fail { background: var(--fail-color); box-shadow: 0 0 8px var(--fail-color); }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }