.provenance-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-space-4);
  padding: var(--sp-space-4) var(--sp-space-6);
  background: linear-gradient(135deg, var(--sp-color-surface) 0%, color-mix(in oklch, var(--sp-color-primary) 8%, var(--sp-color-surface)) 100%);
  border: 1px solid var(--sp-color-border);
  border-left: 4px solid var(--sp-color-primary);
  border-radius: var(--sp-radius-lg);
  margin-bottom: var(--sp-space-6);
}

.provenance-header__badge {
  display: flex;
  align-items: center;
  gap: var(--sp-space-2);
}

.provenance-header__icon {
  color: var(--sp-color-primary);
  flex-shrink: 0;
}

.provenance-header__icon .antenna {
  fill: var(--sp-color-primary);
  animation: antenna-pulse 3s ease-in-out infinite;
}

.provenance-header__icon .eye {
  fill: var(--sp-color-primary);
}

@keyframes antenna-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.provenance-header__info {
  display: flex;
  flex-direction: column;
  gap: var(--sp-radius-xs);
}

.provenance-header__label {
  font-size: var(--sp-text-sm);
  font-weight: var(--sp-font-weight-semibold);
  color: var(--sp-color-text-primary);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.provenance-header__agent {
  font-size: var(--sp-text-sm);
  color: var(--sp-color-text-secondary);
}

.provenance-header__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-space-1);
  margin-left: auto;
}

.provenance-tag {
  display: inline-flex;
  align-items: center;
  padding: var(--sp-space-1) var(--sp-space-3);
  font-size: var(--sp-text-xs);
  font-weight: var(--sp-font-weight-medium);
  border-radius: var(--sp-radius-full);
  white-space: nowrap;
}

.provenance-tag--category {
  background: color-mix(in oklch, var(--sp-color-primary) 15%, transparent);
  color: var(--sp-color-primary);
}

.provenance-tag--audience {
  background: color-mix(in oklch, var(--sp-color-success) 15%, transparent);
  color: var(--sp-color-success);
}

.provenance-header__expand {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-space-1);
  padding: var(--sp-space-1) var(--sp-space-2);
  font-size: var(--sp-text-sm);
  font-weight: var(--sp-font-weight-medium);
  color: var(--sp-color-primary);
  background: transparent;
  border: 1px solid var(--sp-color-primary);
  border-radius: var(--sp-radius-md);
  cursor: pointer;
  transition: background-color var(--sp-duration-fast) var(--sp-ease-out), color var(--sp-duration-fast) var(--sp-ease-out), border-color var(--sp-duration-fast) var(--sp-ease-out), box-shadow var(--sp-duration-fast) var(--sp-ease-out);
  text-decoration: none;
  margin-left: auto;
}

.provenance-header__expand:hover {
  background: var(--sp-color-primary);
  color: white;
}

.provenance-header__expand svg {
  flex-shrink: 0;
}


.provenance-header__expand,
.provenance-backdrop,
.provenance-panel__close {
  scroll-margin-top: 100vh;
}

@media (max-width: 640px) {
  .provenance-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .provenance-header__tags {
    margin-left: 0;
    margin-top: var(--sp-space-1);
  }

  .provenance-header__expand {
    margin-left: 0;
    margin-top: var(--sp-space-2);
    width: 100%;
    justify-content: center;
  }
}


@media (prefers-color-scheme: dark) {
  .provenance-header {
    background: linear-gradient(135deg, var(--sp-color-surface) 0%, color-mix(in oklch, var(--sp-color-primary) 12%, var(--sp-color-surface)) 100%);
  }

  .provenance-strategy__item {
    background: color-mix(in oklch, var(--color-bg) 50%, var(--sp-color-surface));
  }

  .provenance-source-link,
  .provenance-adaptation {
    background: color-mix(in oklch, var(--color-bg) 50%, var(--sp-color-surface));
  }
}


@media (prefers-reduced-motion: reduce) {
  .provenance-header__icon .antenna,
  .workflow-progress__bar::after {
    animation: none;
    transition: none;
  }
}