.provenance-toggle {
  position: fixed;
  top: 0;
  left: -100vw;
  opacity: 0;
  pointer-events: none;
  width: 1px;
  height: 1px;
}


.provenance-button {
  position: absolute;
  bottom: var(--sp-space-2);
  right: var(--sp-space-2);
  width: 32px;
  height: 32px;
  padding: 4px;
  background: color-mix(in oklch, var(--sp-color-primary) 8%, transparent);
  border: 1px solid transparent;
  border-radius: var(--sp-corners-sm);
  cursor: pointer;
  transition: background-color var(--sp-duration-normal) var(--sp-ease-default), border-color var(--sp-duration-normal) var(--sp-ease-default), transform var(--sp-duration-normal) var(--sp-ease-default);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--sp-z-base);
}

.provenance-button:hover {
  background: color-mix(in oklch, var(--sp-color-primary) 15%, transparent);
  border-color: color-mix(in oklch, var(--sp-color-primary) 30%, transparent);
  transform: scale(1.1);
}

.provenance-button:active {
  transform: scale(0.95);
}


.provenance-toggle:focus-visible + .provenance-button {
  outline: 2px solid var(--sp-color-primary);
  outline-offset: 2px;
}


.provenance-icon {
  width: 20px;
  height: 20px;
  color: var(--sp-color-text-secondary);
  transition: color var(--sp-duration-fast) var(--sp-ease-default);
}

.provenance-button:hover .provenance-icon {
  color: var(--sp-color-primary);
}

.provenance-icon .eye {
  transition: fill var(--sp-duration-fast) var(--sp-ease-default), filter var(--sp-duration-fast) var(--sp-ease-default);
}

.provenance-button:hover .provenance-icon .eye {
  fill: var(--sp-color-primary);
  filter: drop-shadow(0 0 3px var(--sp-color-primary));
}

.provenance-icon .antenna {
  animation: pulse-antenna 2s infinite ease-in-out;
}

@keyframes pulse-antenna {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}


.provenance-button--header {
  position: relative;
  bottom: auto;
  right: auto;
  margin-left: var(--sp-space-2);
  vertical-align: middle;
  display: inline-flex;
}


.provenance-backdrop {
  position: fixed;
  inset: 0;
  background: oklch(0 0 0 / 0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--sp-duration-normal) var(--sp-ease-default);
  z-index: calc(var(--sp-z-modal) - 1);
  backdrop-filter: blur(2px);

  cursor: pointer;
}


.provenance-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 400px;
  max-width: 90vw;
  height: 100vh;
  background: var(--sp-color-surface);
  border-left: 1px solid var(--sp-color-border);
  box-shadow: var(--sp-shadow-lg);
  transform: translateX(100%);
  transition: transform var(--sp-duration-normal) cubic-bezier(0.4, 0, 0.2, 1);
  z-index: var(--sp-z-modal);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}


.provenance-toggle:checked ~ .provenance-backdrop {
  opacity: 1;
  pointer-events: auto;
}

.provenance-toggle:checked ~ .provenance-panel {
  transform: translateX(0);
}


body:has(.provenance-toggle:checked) {
  overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
  .provenance-button,
  .provenance-icon,
  .provenance-icon .eye,
  .provenance-backdrop,
  .provenance-panel {
    transition: none;
  }

  .provenance-icon .antenna {
    animation: none;
  }

  .provenance-button:hover {
    transform: none;
  }
}