:root{
  --nbia-bg:#ffffff;
  --nbia-text:#0f1012;
  --nbia-muted:#5d6772;
  --nbia-border:#e5e7eb;

  /* standaard (niet geselecteerd) = wit */
  --nbia-pill:#ffffff;
  --nbia-pill-border:#dedcd3;

  /* geselecteerd = gebroken wit */
  --nbia-pill-selected:#f7f6f1;

  --nbia-primary:#0f1012; /* alleen knoppen */
  --nbia-primary-text:#ffffff;
  --nbia-ghost:#f3f4f6;
  --nbia-radius:18px;
}

.nbia-form-wrap{
  max-width: 520px;
  margin: 0 auto;
  padding: 20px 16px;
}

.nbia-form{
  background: var(--nbia-bg);
  border: 1px solid var(--nbia-border);
  border-radius: var(--nbia-radius);
  padding: 22px 18px;
  box-shadow: 0 8px 24px rgba(15,16,18,.06);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

.nbia-h2{
  margin: 0 0 8px 0;
  font-size: 28px;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--nbia-text);
}

.nbia-muted{
  margin: 0 0 18px 0;
  color: var(--nbia-muted);
  font-size: 15px;
  line-height: 1.45;
}

.nbia-steps{
  display:flex;
  justify-content:flex-end;
  gap:8px;
  margin-bottom: 10px;
}

.nbia-dot{
  width: 34px;
  height: 6px;
  border-radius: 999px;
  background: #e5e7eb;
  display:inline-block;
}
.nbia-dot.is-active{ background: #0f1012; }

.nbia-step{ display:none; }
.nbia-step.is-active{ display:block; }

.nbia-fieldset{
  border:0;
  padding:0;
  margin: 0 0 18px 0;
}

.nbia-choice-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:12px;
}

@media (max-width: 420px){
  .nbia-choice-grid{ grid-template-columns: 1fr; }
}

.nbia-choice{ display:block; cursor:pointer; }
.nbia-choice input{ position:absolute; opacity:0; pointer-events:none; }

.nbia-choice__pill{
  display:flex;
  align-items:center;
  justify-content:center;
  width:100%;
  padding: 14px 14px;
  border-radius: 999px;
  background: var(--nbia-pill); /* wit */
  border: 1px solid var(--nbia-pill-border);
  color: var(--nbia-text);
  font-weight: 600;
  font-size: 15px;
  min-height: 46px;
  transition: transform .06s ease, border-color .12s ease, box-shadow .12s ease, background .12s ease;
}

/* geselecteerd = gebroken wit (geen zwarte fill) */
.nbia-choice input:checked + .nbia-choice__pill{
  background: var(--nbia-pill-selected);
  color: var(--nbia-text);
  border-color: rgba(15,16,18,.45);
  box-shadow: 0 10px 24px rgba(15,16,18,.10);
}

.nbia-choice__pill:active{ transform: scale(.99); }

.nbia-fieldgroup{
  margin: 0 0 14px 0;
}

.nbia-label{
  display:block;
  margin: 0 0 8px 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--nbia-text);
}

.nbia-input{
  width: 100%;
  border: 1px solid var(--nbia-border);
  border-radius: 14px;
  padding: 14px 14px;
  font-size: 16px;
  line-height: 1.2;
  background: #fff;
  color: var(--nbia-text);
  outline: none;
  min-height: 50px;
  box-sizing: border-box;
}

select.nbia-input{
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, #6b7280 50%),
                    linear-gradient(135deg, #6b7280 50%, transparent 50%);
  background-position: calc(100% - 18px) calc(50% + 1px), calc(100% - 12px) calc(50% + 1px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 38px;
}

.nbia-input:focus{
  border-color: rgba(15,16,18,.55);
  box-shadow: 0 0 0 4px rgba(15,16,18,.08);
}

.nbia-row{
  display:flex;
  gap:10px;
  align-items:center;
  justify-content:space-between;
  margin-top: 14px;
}

.nbia-btn{
  appearance:none;
  border:0;
  border-radius: 14px;
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 700;
  cursor:pointer;
  transition: transform .06s ease, box-shadow .12s ease, opacity .12s ease;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height: 48px;
  text-decoration:none;
}

.nbia-btn--primary{
  background: var(--nbia-primary); /* #0f1012 */
  color: var(--nbia-primary-text);
  box-shadow: 0 10px 24px rgba(15,16,18,.16);
  width: 100%;
}
.nbia-step[data-step="2"] .nbia-btn--primary{ flex: 1; width:auto; }

.nbia-btn--ghost{
  background: var(--nbia-ghost);
  color: var(--nbia-text);
  border: 1px solid var(--nbia-border);
  min-width: 140px;
}

.nbia-btn:active{ transform: scale(.99); }

.nbia-errors{
  margin-top: 10px;
  padding: 12px 12px;
  border-radius: 14px;
  background: #fff5f5;
  border: 1px solid #fecaca;
  color: #7f1d1d;
  font-size: 14px;
}


/* mobile centering */
@media (max-width: 520px){
  .nbia-steps{justify-content:center;}
.nbia-h2,
  .nbia-muted{
    text-align: center;
  }
  .nbia-choice-grid{
    justify-items: center;
  }
  .nbia-choice{
    width: 100%;
    display:flex;
    justify-content:center;
  }
  .nbia-choice__pill{
    width: 100%;
    max-width: 360px;
  }
}