.copy-channel-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;

  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);

  background: rgba(0, 0, 0, 0.5);
  animation: copy-channel-fade-in var(--dur-base) var(--ease-standard);
}

@keyframes copy-channel-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.copy-channel-modal {
  width: 100%;
  max-width: 440px;
  max-height: 90vh;
  overflow-y: auto;

  animation: copy-channel-scale-in var(--dur-base) var(--ease-standard);
}

@keyframes copy-channel-scale-in {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.copy-channel-modal__header {
  margin-bottom: var(--space-5);
}

.copy-channel-modal__header h2 {
  margin: 0;
  font-size: var(--font-md);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.copy-channel-modal__header p {
  margin: var(--space-1) 0 0;
  font-size: var(--font-sm);
  line-height: 1.4;
  color: var(--text-muted);
}

/* Source -> destination */

.copy-channel-modal__transfer {
  display: flex;
  align-items: flex-end;
  gap: var(--space-3);
}

.copy-channel-modal__field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);

  flex: 1;
  min-width: 0;
}

.copy-channel-modal__field label {
  font-size: var(--font-sm);
  color: var(--text-muted);
}

.copy-channel-modal__arrow {
  display: flex;
  align-items: center;
  justify-content: center;

  height: var(--card-control-height);
  color: var(--text-muted);

  flex: 0 0 auto;
}

.copy-channel-modal__arrow svg {
  width: var(--space-5);
  height: var(--space-5);
}

.copy-channel-modal__summary {
  margin: var(--space-3) 0 var(--space-5);

  font-size: var(--font-sm);
  line-height: 1.4;
  color: var(--text-muted);
}

/* Footer actions */

.copy-channel-modal__actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
}

@media (max-width: 600px) {
  .copy-channel-modal__transfer {
    flex-direction: column;
    align-items: stretch;
  }

  .copy-channel-modal__arrow {
    height: auto;
    transform: rotate(90deg);
  }
}