/* Size unit toggle (in / cm / mm) — product form */

#ccf-isolated-container .ccf-form-label--with-size-unit {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  margin-bottom: 6px;
}

#ccf-isolated-container .ccf-form-label--with-size-unit .ccf-form-label-text {
  flex: 1 1 auto;
  min-width: 0;
}

#ccf-isolated-container .ccf-size-unit-toggle {
  --ccf-unit-h: 26px;
  --ccf-unit-pad: 2px;
  --ccf-unit-w: 34px;
  position: relative;
  display: inline-grid;
  grid-template-columns: repeat(3, var(--ccf-unit-w));
  align-items: stretch;
  flex: 0 0 auto;
  height: var(--ccf-unit-h);
  padding: var(--ccf-unit-pad);
  border-radius: 999px;
  background: linear-gradient(180deg, #eef4fb 0%, #e4eef8 100%);
  border: 1px solid rgba(85, 139, 202, 0.28);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.85),
    0 1px 2px rgba(58, 109, 168, 0.08);
  user-select: none;
  -webkit-user-select: none;
}

#ccf-isolated-container .ccf-size-unit-thumb {
  position: absolute;
  top: var(--ccf-unit-pad);
  left: var(--ccf-unit-pad);
  width: var(--ccf-unit-w);
  height: calc(var(--ccf-unit-h) - (var(--ccf-unit-pad) * 2));
  border-radius: 999px;
  background: linear-gradient(160deg, #6aa0d6 0%, #558BCA 55%, #4a7db8 100%);
  box-shadow:
    0 2px 6px rgba(85, 139, 202, 0.45),
    0 0 0 1px rgba(255, 255, 255, 0.25) inset;
  transform: translateX(0%);
  transition: transform 0.42s cubic-bezier(0.34, 1.45, 0.64, 1);
  pointer-events: none;
  z-index: 0;
}

#ccf-isolated-container .ccf-size-unit-btn {
  position: relative;
  z-index: 1;
  appearance: none;
  -webkit-appearance: none;
  border: 0;
  background: transparent;
  margin: 0;
  padding: 0;
  height: 100%;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: lowercase;
  color: #64748b;
  cursor: pointer;
  border-radius: 999px;
  transition: color 0.25s ease, transform 0.25s ease;
  line-height: 1;
}

#ccf-isolated-container .ccf-size-unit-btn:hover {
  color: #334155;
}

#ccf-isolated-container .ccf-size-unit-btn.is-active {
  color: #fff;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.12);
}

#ccf-isolated-container .ccf-size-unit-btn:focus-visible {
  outline: 2px solid rgba(85, 139, 202, 0.55);
  outline-offset: 2px;
}

#ccf-isolated-container .ccf-size-unit-btn:active {
  transform: scale(0.94);
}

/* Closed select + open list swap */
#ccf-isolated-container .ccf-form-select-wrap.ccf-size-unit-swap,
#ccf-isolated-container .ccf-form-group.ccf-size-unit-swap .ccf-form-select-wrap {
  animation: ccfSizeUnitWrap 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

#ccf-isolated-container .ccf-form-select-wrap.ccf-size-unit-swap .ccf-form-select-trigger,
#ccf-isolated-container .ccf-size-unit-swap .ccf-form-select-trigger {
  animation: ccfSizeUnitTrigger 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

#ccf-isolated-container .ccf-size-unit-option-in {
  animation: ccfSizeUnitOption 0.48s cubic-bezier(0.22, 1, 0.36, 1) both;
  animation-delay: calc(var(--ccf-size-unit-i, 0) * 28ms);
}

@keyframes ccfSizeUnitWrap {
  0% {
    filter: blur(0);
  }
  35% {
    filter: blur(1.2px);
  }
  100% {
    filter: blur(0);
  }
}

@keyframes ccfSizeUnitTrigger {
  0% {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
  28% {
    transform: translateY(4px) scale(0.985);
    opacity: 0.35;
  }
  55% {
    transform: translateY(-3px) scale(1.015);
    opacity: 1;
  }
  100% {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

@keyframes ccfSizeUnitOption {
  0% {
    opacity: 0;
    transform: translateY(8px) scale(0.96);
    filter: blur(2px);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

/* Soft glow pulse on the group while swapping */
#ccf-isolated-container .ccf-form-group.ccf-size-unit-enabled.ccf-size-unit-swap {
  animation: ccfSizeUnitGlow 0.55s ease;
}

@keyframes ccfSizeUnitGlow {
  0%, 100% {
    filter: none;
  }
  40% {
    filter: drop-shadow(0 0 10px rgba(85, 139, 202, 0.22));
  }
}

@media (prefers-reduced-motion: reduce) {
  #ccf-isolated-container .ccf-size-unit-thumb {
    transition: none;
  }
  #ccf-isolated-container .ccf-form-select-wrap.ccf-size-unit-swap,
  #ccf-isolated-container .ccf-form-select-wrap.ccf-size-unit-swap .ccf-form-select-trigger,
  #ccf-isolated-container .ccf-size-unit-option-in,
  #ccf-isolated-container .ccf-form-group.ccf-size-unit-enabled.ccf-size-unit-swap {
    animation: none !important;
  }
}