/* Blora Design 2.0 - transfer component */

blora-transfer {
  display: block;
  container-type: inline-size;
}

.blora-transfer {
  display: flex;
  gap: var(--blora-space-3);
  align-items: stretch;
  min-width: 0;
  max-width: 100%;
  flex-wrap: wrap;
}

@media (max-width: 560px) {
  .blora-transfer {
    flex-direction: column;
    align-items: stretch;
  }

  .blora-transfer__actions {
    flex-direction: row;
    justify-content: center;
  }

  .blora-transfer__panel {
    max-height: 12rem;
    width: 100%;
  }
}

.blora-transfer__panel {
  flex: 1 1 0;
  min-width: 0;
  border: var(--blora-border-subtle);
  border-radius: var(--blora-radius-md);
  background: var(--blora-color-surface-default);
  display: flex;
  flex-direction: column;
  max-height: 240px;
}

.blora-transfer__head {
  padding: var(--blora-space-3) var(--blora-space-4);
  border-bottom: 1px solid var(--blora-color-border-subtle);
  font-size: var(--blora-text-sm);
  font-weight: 500;
  color: var(--blora-color-text-emphasis);
}

.blora-transfer__list {
  flex: 1;
  overflow-y: auto;
  padding: var(--blora-space-2);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.blora-transfer__row {
  display: flex;
  align-items: center;
  gap: var(--blora-space-2);
  padding: 0.4em 0.5em;
  font-size: var(--blora-text-sm);
  color: var(--blora-color-text-emphasis);
  border-radius: var(--blora-radius-sm);
  cursor: pointer;
  user-select: none;
}

.blora-transfer__row:hover {
  background: var(--blora-color-surface-raised);
}

.blora-transfer__row input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.blora-transfer__check {
  width: 1.15em;
  height: 1.15em;
  flex: none;
  border: 1.5px solid var(--blora-color-text-subtle);
  border-radius: var(--blora-radius-xs);
  background: var(--blora-color-surface-default);
  display: inline-block;
  transition:
    background-color var(--blora-duration-fast) var(--blora-easing-standard),
    border-color var(--blora-duration-fast) var(--blora-easing-standard);
  position: relative;
  box-sizing: border-box;
  flex-shrink: 0;
}

/* Same optical-center recipe as .blora-checkbox__box — see checkbox.css */
.blora-transfer__check::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  box-sizing: border-box;
  width: 0.3em;
  height: 0.52em;
  border: solid var(--blora-color-text-on-accent);
  border-width: 0 0.15em 0.15em 0;
  opacity: 0;
  transform: translate(-50%, -60%) rotate(45deg) scale(0.4);
  transform-origin: center center;
  transition:
    opacity var(--blora-duration-fast) var(--blora-easing-overshoot),
    transform var(--blora-duration-fast) var(--blora-easing-overshoot);
}

.blora-transfer__row input:checked + .blora-transfer__check {
  background: var(--blora-color-action-primary-default);
  border-color: var(--blora-color-action-primary-default);
}

.blora-transfer__row input:checked + .blora-transfer__check::after {
  opacity: 1;
  transform: translate(-50%, -60%) rotate(45deg) scale(1);
}

.blora-transfer__row input:focus-visible + .blora-transfer__check {
  box-shadow: var(--blora-focus-ring-strong);
}

.blora-transfer__actions {
  display: flex;
  flex-direction: column;
  gap: var(--blora-space-2);
  flex: none;
}

.blora-transfer__actions .blora-button {
  display: inline-grid;
  place-items: center;
  width: var(--blora-button-height);
  min-inline-size: var(--blora-button-height);
  padding: 0;
}

.blora-transfer__actions .blora-button svg {
  display: block;
  width: 1.125rem;
  height: 1.125rem;
  margin: auto;
}

/* Responsive: stack vertically on narrow containers */
@container (max-width: 40rem) {
  .blora-transfer {
    flex-direction: column;
    align-items: stretch;
  }

  .blora-transfer__panel {
    width: 100%;
    min-height: 8rem;
    flex-basis: auto;
  }

  .blora-transfer__actions {
    flex-direction: row;
    justify-content: center;
  }

  .blora-transfer__actions .blora-button svg {
    rotate: 90deg;
  }
}