/* =========================================================================
   Blora Design 2.0 - Radio component
   Spec §11.1: Native input + visual dot, no JS required
   ========================================================================= */

blora-radio {
  display: inline-block;
}

.blora-radio {
  display: inline-flex;
  align-items: center;
  gap: var(--blora-space-2);
  cursor: pointer;
  user-select: none;
  font-size: var(--blora-text-sm);
  color: var(--blora-color-text-emphasis);
}

.blora-radio > input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.blora-radio__dot {
  width: 1.15em;
  height: 1.15em;
  flex: none;
  flex-shrink: 0;
  box-sizing: border-box;
  border: 1.5px solid var(--blora-color-text-subtle);
  border-radius: 50%;
  background: var(--blora-color-surface-default);
  display: grid;
  place-items: center;
  position: relative;
  transition:
    background var(--blora-duration-fast) var(--blora-easing-standard),
    border-color var(--blora-duration-fast) var(--blora-easing-standard),
    box-shadow var(--blora-duration-fast) var(--blora-easing-standard);
}

/*
 * Inner disc: 50% + translate(-50%, -50%) stays on the geometric center
 * at fractional DPR / 125% zoom. inset+margin:auto + scale() snaps 1px
 * off on those devices. Grid place-items is the fallback if transform
 * is later removed. transform-origin is the disc center so scale stays put.
 */
.blora-radio__dot::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0.375em;
  height: 0.375em;
  margin: 0;
  border-radius: 50%;
  background: var(--blora-color-action-primary-default);
  transform: translate(-50%, -50%) scale(0);
  transform-origin: center center;
  transition: transform var(--blora-duration-fast) var(--blora-easing-overshoot);
}

.blora-radio > input:checked + .blora-radio__dot {
  border-color: var(--blora-color-action-primary-default);
}

.blora-radio > input:checked + .blora-radio__dot::after {
  transform: translate(-50%, -50%) scale(1);
}

.blora-radio > input:focus-visible + .blora-radio__dot {
  box-shadow: var(--blora-focus-ring-strong);
}

.blora-radio > input:disabled + .blora-radio__dot {
  opacity: 0.4;
}