.checkbox {
  display: inline-flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  user-select: none;
  font-size: var(--t-sm);
  color: var(--ink-2);
  line-height: 1.4;
}

.checkbox input { position: absolute; opacity: 0; width: 0; height: 0; }

.checkbox__box {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px; height: 18px;
  background: var(--bg-1);
  border: 1.5px solid var(--line-strong);
  border-radius: 4px;
  transition: background var(--d-fast) var(--ease-std), border-color var(--d-fast) var(--ease-std);
  margin-top: 1px;
}

.checkbox:hover .checkbox__box { border-color: var(--accent); }

.checkbox input:focus-visible + .checkbox__box {
  box-shadow: 0 0 0 2px var(--bg-0), 0 0 0 4px var(--accent);
}

.checkbox input:checked + .checkbox__box {
  background: var(--accent);
  border-color: var(--accent);
}

.checkbox__box::after {
  content: "";
  width: 10px; height: 6px;
  border-left: 2px solid var(--ink-on-accent);
  border-bottom: 2px solid var(--ink-on-accent);
  transform: rotate(-45deg) translateY(-1px);
  opacity: 0;
  transition: opacity var(--d-fast) var(--ease-std);
}

.checkbox input:checked + .checkbox__box::after { opacity: 1; }

.checkbox__text { display: block; }
.checkbox__text a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }

.checkbox--lg { font-size: var(--t-base); }
.checkbox--lg .checkbox__box { width: 22px; height: 22px; }

.radio {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
  font-size: var(--t-sm);
  color: var(--ink-2);
}

.radio input { position: absolute; opacity: 0; width: 0; height: 0; }

.radio__dot {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px; height: 18px;
  background: var(--bg-1);
  border: 1.5px solid var(--line-strong);
  border-radius: 50%;
  transition: border-color var(--d-fast) var(--ease-std);
}

.radio:hover .radio__dot { border-color: var(--accent); }

.radio__dot::after {
  content: "";
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  transform: scale(0);
  transition: transform var(--d-fast) var(--ease-spring);
}

.radio input:checked + .radio__dot { border-color: var(--accent); }
.radio input:checked + .radio__dot::after { transform: scale(1); }

.toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: 38px; height: 22px;
  background: var(--bg-3);
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: background var(--d-base) var(--ease-std);
}

.toggle input { position: absolute; opacity: 0; width: 0; height: 0; }

.toggle__thumb {
  position: absolute;
  left: 2px; top: 2px;
  width: 18px; height: 18px;
  background: var(--ink-1);
  border-radius: 50%;
  transition: transform var(--d-base) var(--ease-spring), background var(--d-base) var(--ease-std);
}

.toggle input:checked ~ .toggle__thumb {
  transform: translateX(16px);
  background: var(--ink-on-accent);
}

.toggle:has(input:checked) {
  background: var(--accent);
}

.toggle--locked { opacity: 0.5; pointer-events: none; }