.api-transfer-toggle {
  --toggle-width: 40px;
  --toggle-height: 22px;
  --toggle-padding: 3px;
  --toggle-shift: 18px;
  --toggle-thumb-size: 16px;

  display: inline-grid;
  grid-auto-flow: column;
  grid-template-columns: auto var(--toggle-width) auto;
  align-items: center;
  gap: 4px;
  background: #f8fafc;
  border: 1px solid rgba(148, 163, 184, 0.4);
  border-radius: 999px;
  padding: 3px 6px;
  cursor: pointer;
  user-select: none;
}

.api-transfer-toggle__label {
  font-size: 10px;
  font-weight: 600;
  color: #334155;
  line-height: 1;
}

.api-transfer-toggle__input {
  position: absolute;
  width: var(--toggle-width);
  height: var(--toggle-height);
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.api-transfer-toggle__button {
  --track-w: 56px;
  --track-h: 24px;
  --thumb: 18px;
  --shift: 30px;

  position: relative;
  width: var(--track-w);
  height: var(--track-h);
  border-radius: 999px;
  background: linear-gradient(180deg, #9ae84a 0%, #7bd629 100%);
  border: 2px solid #dde7fb;
  box-shadow: inset 0 1px 4px rgba(255, 255, 255, 0.35), 0 3px 8px rgba(99, 102, 241, 0.16);
  box-sizing: border-box;
  transition: background 0.2s ease;
  flex-shrink: 0;
}

.api-transfer-toggle__button::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 3px;
  width: var(--thumb);
  height: var(--thumb);
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #ffffff 0%, #f4f6fa 62%, #e5e9f0 100%);
  box-shadow: 0 2px 4px rgba(79, 70, 229, 0.24);
  transform: translate(var(--shift), -50%);
  transition: transform 0.2s ease;
}

.api-transfer-toggle__button::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: calc(3px + var(--shift) + (var(--thumb) / 2));
  transform: translate(-50%, -54%);
  font-size: 13px;
  line-height: 1;
  font-weight: 700;
  color: #84cc16;
  transition: left 0.2s ease, color 0.2s ease, content 0.2s ease;
}

.api-transfer-toggle__input:checked + .api-transfer-toggle__button {
  background: linear-gradient(180deg, #ff6b6b 0%, #ef4444 100%);
}

.api-transfer-toggle__input:checked + .api-transfer-toggle__button::before {
  transform: translate(0, -50%);
}

.api-transfer-toggle__input:checked + .api-transfer-toggle__button::after {
  content: '✕';
  left: calc(3px + (var(--thumb) / 2));
  color: #ef4444;
}

.header .api-transfer-toggle {
  padding: 2px 6px;
  gap: 4px;
}

.header .api-transfer-toggle .api-transfer-toggle__label {
  font-size: 9px;
}

.header .api-transfer-toggle .api-transfer-toggle__button {
  --track-w: 48px;
  --track-h: 22px;
  --thumb: 16px;
  --shift: 24px;
}

.header .api-transfer-toggle .api-transfer-toggle__button::after {
  font-size: 12px;
}

.api-transfer-toggle--inline {
  margin-left: 6px;
  padding: 3px 6px;
  gap: 5px;
}

.api-transfer-toggle--inline .api-transfer-toggle__label {
  font-size: 10px;
  color: #475569;
}

.api-transfer-toggle--inline .api-transfer-toggle__button {
  --track-w: 58px;
  --track-h: 26px;
  --thumb: 20px;
  --shift: 30px;

  border-width: 1.5px;
  box-shadow: inset 0 1px 3px rgba(255, 255, 255, 0.35), 0 2px 6px rgba(99, 102, 241, 0.14);
}

.api-transfer-toggle--inline .api-transfer-toggle__button::after {
  font-size: 14px;
}