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

.provenance-button {
  position: absolute;
  bottom: var(--sp-spacing-sm);
  right: var(--sp-spacing-sm);
  width: 32px;
  height: 32px;
  padding: var(--sp-space-1);
  background: rgba(var(--sp-color-primary-rgb), 0.08);
  border: 1px solid transparent;
  border-radius: var(--sp-radius-md);
  cursor: pointer;
  transition: all var(--sp-animation-normal) ease;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--sp-z-content);
}

.provenance-button:hover {
  background: rgba(var(--sp-color-primary-rgb), 0.15);
  border-color: rgba(var(--sp-color-primary-rgb), 0.3);
  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-animation-fast) ease;
}

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

.provenance-icon .eye {
  transition: all var(--sp-animation-fast) ease;
}

.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-spacing-sm);
  vertical-align: middle;
  display: inline-flex;
}

.provenance-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--sp-animation-normal) ease;
  z-index: calc(var(--sp-z-modal) - 1);
  backdrop-filter: blur(2px);
  -webkit-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-animation-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;
}

.provenance-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-spacing-lg);
  border-bottom: 1px solid var(--sp-color-border);
  background: linear-gradient(
    135deg,
    rgba(var(--sp-color-primary-rgb), 0.08) 0%,
    rgba(var(--sp-color-primary-rgb), 0.02) 100%
  );
}

.provenance-panel__header h2 {
  font-family: var(--sp-font-heading);
  font-size: var(--sp-font-size-sm);
  font-weight: var(--sp-font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--sp-color-text-primary);
  margin: 0;
}

.provenance-panel__close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--sp-color-border);
  border-radius: var(--sp-radius-md);
  color: var(--sp-color-text-secondary);
  cursor: pointer;
  transition: all var(--sp-animation-fast) ease;
}

.provenance-panel__close:hover {
  background: rgba(var(--sp-color-primary-rgb), 0.1);
  border-color: var(--sp-color-primary);
  color: var(--sp-color-text-primary);
}

.provenance-panel__close:focus {
  outline: 2px solid var(--sp-color-primary);
  outline-offset: 2px;
}

.provenance-panel__content {
  flex: 1;
  overflow-y: auto;
  padding: var(--sp-spacing-lg);
}

.provenance-agent {
  display: flex;
  align-items: center;
  gap: var(--sp-spacing-md);
  padding: var(--sp-spacing-lg);
  background: linear-gradient(
    135deg,
    rgba(var(--sp-color-primary-rgb), 0.1) 0%,
    rgba(var(--sp-color-primary-rgb), 0.04) 100%
  );
  border: 1px solid var(--sp-color-border);
  border-radius: var(--sp-radius-lg);
  margin-bottom: var(--sp-spacing-lg);
}

.provenance-agent__avatar {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(var(--sp-color-primary-rgb), 0.15);
  border: 1px solid rgba(var(--sp-color-primary-rgb), 0.2);
  border-radius: var(--sp-radius-lg);
}

.provenance-robot-large {
  width: 36px;
  height: 36px;
  color: var(--sp-color-text-secondary);
}

.provenance-robot-large .eye {
  fill: var(--sp-color-primary);
  animation: robot-blink 4s infinite ease-in-out;
}

@keyframes robot-blink {
  0%, 90%, 100% { opacity: 1; }
  95% { opacity: 0.3; }
}

.provenance-robot-large .smile {
  stroke: var(--sp-color-text-secondary);
}

.provenance-agent__info {
  flex: 1;
  min-width: 0;
}

.provenance-agent__info h3 {
  font-family: var(--sp-font-heading);
  font-size: var(--sp-font-size-lg);
  font-weight: var(--sp-font-weight-bold);
  color: var(--sp-color-text-primary);
  margin: 0 0 var(--sp-spacing-xs);
  text-transform: uppercase;
}

.provenance-agent__handle {
  font-size: var(--sp-font-size-sm);
  color: var(--sp-color-text-secondary);
  font-family: 'Monaco', 'Courier New', monospace;
}