/* =========================
   STEP 1 – KIES PRODUCT
   ========================= */

/* Dark active step row */
.stepRow--dark{
  background: var(--soft);
  border: 1px solid var(--stroke);
}

.stepRow--dark .stepNum{
  border-color: var(--stroke-strong);
  color: var(--heading);
  background: transparent;
}

.stepRow--dark .stepText{
  color: var(--heading);
}

.stepRow--dark .stepArrow{
  width:48px;
  height:28px;
  border-radius: 8px;
  background: var(--card);
  border: 1px solid var(--stroke);
  display:grid;
  place-items:center;
}

.stepRow--dark .stepArrow svg{
  width:14px;
  height:14px;
  fill: var(--heading);
  opacity:0.90;
  transition: transform 180ms ease;
}

/* =========================
   SLIDING PANEL
   ========================= */

.stepPanel{
  overflow: hidden;
  max-height: 0;
  transition: max-height 250ms ease;
  background: var(--card);
  border-radius: 0 0 var(--radius) var(--radius);
  border: 1px solid var(--stroke);
  border-top: 0;
  margin-top: 0;
  box-shadow: 0 8px 20px color-mix(in oklab, var(--heading) 4%, transparent);
}

.panelInner{
  padding: 10px 10px 12px;
}

@media (max-width: 480px){
  .panelInner{
    padding: 8px 8px 10px;
  }
}

/* =========================
   SECTION TITLES
   ========================= */

.panelTitle{
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.panelSubtitle{
  margin: -2px 0 10px;
  font-size: 13px;
  line-height: 1.35;
  color: var(--text-secondary);
  opacity: 0.9;
}

@media (max-width: 480px){
  .panelTitle{ font-size: 11px; margin-bottom: 6px; }
  .panelSubtitle{ font-size: 12px; margin: -2px 0 8px; }
}

.panelTitle--spaced{
  margin-top: 14px;
}

/* =========================
   RADIO LIST – TYPE DEUR
   ========================= */

.radioList{
  display:flex;
  flex-direction:column;
  gap: 6px;
}

.radioRow{
  display:grid;
  grid-template-columns: 16px 1fr 18px;
  align-items:center;
  gap: 8px;
  padding: 8px 8px;
  border-radius: 8px;
  transition: background 150ms var(--ease-out), box-shadow 150ms var(--ease-out);
}

@media (max-width: 480px){
  .radioRow{
    grid-template-columns: 14px 1fr 16px;
    gap: 6px;
    padding: 6px 6px;
  }
}

.radioRow:focus-within{
  box-shadow: var(--focus-ring);
  background: color-mix(in srgb, var(--cta) 6%, transparent);
}

@media (hover:hover){
  .radioRow:hover{
    background: color-mix(in srgb, var(--heading) 3%, transparent);
  }
}

.radioRow input{
  position:absolute;
  opacity:0;
  pointer-events:none;
}

.radioDot{
  width:14px;
  height:14px;
  border-radius: 999px;
  border: 1.5px solid color-mix(in srgb, var(--heading) 20%, transparent);
  display:grid;
  place-items:center;
}

.radioRow input:checked + .radioDot{
  border-color: var(--accent);
}

.radioRow input:checked + .radioDot::after{
  content:"";
  width:6px;
  height:6px;
  border-radius: 999px;
  background: var(--accent);
}

.radioLabel{
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

@media (max-width: 480px){
  .radioLabel{ font-size: 13px; }
}

@media (max-width: 480px){
  .radioLabel{ font-size: 12px; }
  .radioDot{ width: 12px; height: 12px; }
  .radioRow input:checked + .radioDot::after{ width: 5px; height: 5px; }
}

/* info icon */
.infoIcon{
  width:16px;
  height:16px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--heading) 20%, transparent);
  display:grid;
  place-items:center;
  font-size: 11px;
  font-weight: 800;
  color: var(--text-secondary);
  opacity: 0.85;
}

/* =========================
   AFMETING
   ========================= */

.sizeGrid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

@media (max-width: 480px){
  .sizeGrid{ gap: 6px; }
}

.fieldBlock{
  display:flex;
  flex-direction:column;
}

.fieldLabel{
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
}

@media (max-width: 480px){
  .fieldLabel{ font-size: 10px; margin-bottom: 4px; }
}

.unitInput{
  display:flex;
  align-items:stretch;
  border: 1px solid color-mix(in srgb, var(--heading) 8%, transparent);
  border-radius: 8px;
  overflow:hidden;
  background: var(--soft);
  transition: border-color 120ms var(--ease-out), box-shadow 120ms var(--ease-out);
}

.unitInput:focus-within{
  border-color: var(--accent);
  box-shadow: var(--focus-ring);
}

.unitInput input{
  width:100%;
  border:0;
  outline:none;
  background: transparent;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-sm);
}

@media (max-width: 480px){
  .unitInput input{ padding: 6px 8px; font-size: 16px; }
}

@media (max-width: 480px){
  .unitInput input{ padding: 5px 6px; }
}

/* Prevent iOS Safari auto-zoom on input focus */
@media (max-width: 768px){
  .unitInput input{ font-size: 16px; }
}

.unit{
  width:38px;
  display:grid;
  place-items:center;
  background: color-mix(in srgb, var(--heading) 3%, transparent);
  border-left: 1px solid color-mix(in srgb, var(--heading) 6%, transparent);
  font-weight: 700;
  font-size: 12px;
  color: var(--text-secondary);
}

@media (max-width: 480px){
  .unit{ width: 32px; font-size: 11px; }
}

@media (max-width: 480px){
  .unit{ width: 28px; font-size: 10px; }
}

/* =========================
   SEGMENTED CONTROLS
   ========================= */

.seg{
  display:flex;
  background: var(--soft);
  border: 1px solid color-mix(in srgb, var(--heading) 6%, transparent);
  border-radius: 8px;
  overflow:hidden;
  width: max-content;
}

.seg--wide{
  width:100%;
}

.segBtn{
  border:0;
  background: transparent;
  padding: 7px 0;
  width: 44px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  opacity: 0.70;
  cursor: pointer;
  transition: background 120ms var(--ease-out), color 120ms var(--ease-out), opacity 120ms var(--ease-out);
}

@media (max-width: 480px){
  .segBtn{ padding: 6px 0; font-size: 12px; min-height: 36px; }
}

@media (max-width: 480px){
  .segBtn{ padding: 5px 0; font-size: 11px; min-height: 32px; }
}

.segBtn:focus-visible{
  box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--cta) 50%, transparent);
}

.seg--wide .segBtn{
  width: auto;
  flex: 1 1 0;
}

.segBtn.is-active{
  background: color-mix(in srgb, var(--accent) 12%, var(--card));
  color: var(--heading);
  opacity: 1;
}

/* Mobile: keep segments readable up to 6 options */
@media (max-width: 480px){
  .seg{ width:100%; }

  .segBtn{
    width: auto;
    flex: 1 1 0;
    min-width: 36px;
  }
}

@media (max-width: 480px){
  .segBtn{ font-size: 12px; }
}

/* =========================
   CHECKBOX – BOVENLICHT
   ========================= */

.checkRow{
  display:flex;
  align-items:center;
  gap: 8px;
  padding: 3px 0;
}

.checkRow input{
  position:absolute;
  opacity:0;
  pointer-events:none;
}

.checkBox{
  width:15px;
  height:15px;
  border-radius: 3px;
  border: 1.5px solid color-mix(in srgb, var(--heading) 25%, transparent);
  background: var(--card);
  position: relative;
}

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

.checkRow input:checked + .checkBox::after{
  content:"";
  position:absolute;
  left:3px;
  top:0.5px;
  width:4px;
  height:8px;
  border: 1.5px solid var(--cta-text);
  border-top:0;
  border-left:0;
  transform: rotate(45deg);
}

.checkText{
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

/* =========================
   DESKTOP ENHANCEMENTS
   ========================= */

@media (min-width: 1025px){
  .panelInner{
    padding: 24px 28px 28px;
  }

  .panelTitle{
    font-size: 14px;
    margin-bottom: 14px;
    letter-spacing: 0.04em;
  }

  .panelSubtitle{
    font-size: 14px;
    margin: -4px 0 12px;
    line-height: 1.5;
  }

  .panelTitle--spaced{
    margin-top: 28px;
  }

  .radioList{
    gap: 10px;
  }

  .radioRow{
    padding: 14px 16px;
    border-radius: 12px;
    border: 1px solid transparent;
    transition: background var(--t-fast) var(--ease-out), 
                border-color var(--t-fast) var(--ease-out),
                box-shadow var(--t-fast) var(--ease-out);
  }

  .radioRow:hover{
    background: color-mix(in srgb, var(--heading) 4%, transparent);
    border-color: color-mix(in srgb, var(--heading) 8%, transparent);
  }

  .radioLabel{
    font-size: 16px;
  }

  .radioDot{
    width: 18px;
    height: 18px;
    border-width: 2px;
  }

  .radioRow input:checked + .radioDot::after{
    width: 8px;
    height: 8px;
  }

  .sizeGrid{
    gap: 24px;
  }

  .fieldBlock{
    min-width: 180px;
  }

  .fieldLabel{
    font-size: 13px;
    margin-bottom: 8px;
  }

  .unitInput{
    border-radius: 10px;
  }

  .unitInput input{
    font-size: 18px;
    padding: 16px 18px;
  }

  .unit{
    width: 44px;
    font-size: 13px;
    font-weight: 700;
  }

  .seg{
    gap: 6px;
    width: 100%;
    border-radius: 10px;
  }

  .segBtn{
    padding: 12px 18px;
    font-size: 15px;
    width: auto;
    flex: 1 1 0;
    min-width: 48px;
    white-space: normal;
    line-height: 1.2;
    min-height: 48px;
    border-radius: 8px;
    transition: background var(--t-fast) var(--ease-out),
                color var(--t-fast) var(--ease-out),
                transform var(--t-fast) var(--ease-out);
  }

  .segBtn:hover:not(.is-active){
    background: color-mix(in srgb, var(--heading) 6%, transparent);
  }

  .segBtn.is-active{
    background: color-mix(in srgb, var(--accent) 15%, var(--card));
    box-shadow: 0 2px 8px color-mix(in srgb, var(--accent) 15%, transparent);
  }

  .checkRow{
    padding: 8px 0;
  }

  .checkBox{
    width: 18px;
    height: 18px;
    border-radius: 4px;
  }

  .checkText{
    font-size: 15px;
  }

  .infoIcon{
    width: 18px;
    height: 18px;
    font-size: 12px;
  }
}

/* =========================
   CTA – KIES VERDELING
   ========================= */

.panelCta{
  display:flex;
  justify-content:center;
  padding: var(--space-md) 0 var(--space-xs);
  border-top: 1px solid color-mix(in srgb, var(--heading) 6%, transparent);
  margin-top: var(--space-md);
}

.nextBtn{
  border:0;
  background: var(--green);
  color: var(--cta-text);
  font-size: var(--text-sm);
  font-weight: 700;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  display:flex;
  align-items:center;
  gap: var(--space-xs);
  box-shadow: 0 6px 16px color-mix(in oklab, var(--heading) 8%, transparent);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.nextBtn:hover{
  transform: translateY(-2px);
  box-shadow: 0 8px 20px color-mix(in oklab, var(--heading) 12%, transparent);
}

.nextBtn:active{
  transform: translateY(0);
}

@media (min-width: 1025px){
  .panelCta{
    padding: 28px 0 12px;
    margin-top: 28px;
  }

  .nextBtn{
    padding: 14px 24px;
    font-size: 16px;
    gap: 10px;
    border-radius: 12px;
    box-shadow: 0 8px 20px color-mix(in srgb, var(--accent) 25%, transparent);
    transition: transform var(--t-med) var(--ease-out), 
                box-shadow var(--t-med) var(--ease-out);
  }

  .nextBtn:hover{
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 28px color-mix(in srgb, var(--accent) 35%, transparent);
  }

  .nextArrow svg{
    width: 16px;
    height: 16px;
  }
}

/* Large desktop (1440px+) */
@media (min-width: 1400px){
  .panelInner{
    padding: 28px 32px 32px;
  }

  .panelTitle{
    font-size: 15px;
    margin-bottom: 16px;
  }

  .radioRow{
    padding: 16px 18px;
  }

  .radioLabel{
    font-size: 17px;
  }

  .unitInput input{
    font-size: 20px;
    padding: 18px 20px;
  }

  .segBtn{
    padding: 14px 20px;
    font-size: 16px;
    min-height: 52px;
  }

  .nextBtn{
    padding: 16px 28px;
    font-size: 17px;
  }
}

.nextArrow svg{
  width:12px;
  height:12px;
  fill: var(--cta-text);
  opacity:0.90;
}