/* Page-specific overrides */
  body {
    background: var(--salie-waas);
    font-size: 16px;
    padding: 2rem 1rem;
  }

  .calculator {
    max-width: 480px;
    margin: 0 auto;
    background: var(--wit);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
  }

  .calc-header {
    background: var(--groen-donker);
    color: var(--wit);
    padding: 1.5rem 2rem;
  }
  .calc-header h1 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
    letter-spacing: -0.01em;
  }
  .calc-header p {
    font-size: 0.85rem;
    opacity: 0.75;
    font-weight: 400;
  }

  .calc-body {
    padding: 1.75rem 2rem 2rem;
  }

  .field {
    margin-bottom: 1.25rem;
  }
  .field label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--groen-donker);
    margin-bottom: 0.4rem;
  }
  .field select,
  .field input[type="number"] {
    width: 100%;
    padding: 0.7rem 0.9rem;
    border: 1.5px solid var(--lijn);
    border-radius: var(--radius);
    font-family: 'DM Sans', sans-serif;
    font-size: 1rem;
    color: var(--tekst);
    background: var(--wit);
    transition: border-color 0.2s;
    -webkit-appearance: none;
  }
  .field select:focus,
  .field input:focus {
    outline: none;
    border-color: var(--groen-salie);
  }
  .field select:focus-visible,
  .field input:focus-visible {
    outline: 3px solid var(--groen-salie);
    outline-offset: 2px;
  }
  .field .hint {
    font-size: 0.8rem;
    color: var(--tekst-3);
    margin-top: 0.3rem;
  }

  .btn-bereken {
    width: 100%;
    padding: 14px 36px;
    background: var(--groen-salie);
    color: var(--wit);
    border: none;
    border-radius: var(--radius);
    font-family: 'DM Sans', sans-serif;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.25s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1), transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(58, 125, 92, 0.3);
    margin-top: 0.25rem;
    line-height: 1;
  }
  .btn-bereken:hover {
    background: #327050;
    box-shadow: 0 4px 16px rgba(58, 125, 92, 0.35);
    transform: translateY(-1px);
  }
  .btn-bereken:focus-visible {
    outline: 3px solid var(--groen-salie);
    outline-offset: 3px;
  }

  .result {
    background: var(--salie-waas);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.5rem;
    margin-top: 1.25rem;
    display: none;
    border-top: 3px solid var(--groen-salie);
  }
  .result.visible {
    display: block;
  }

  .result-number {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--groen-donker);
    letter-spacing: -0.02em;
  }
  .result-unit {
    font-size: 1rem;
    font-weight: 500;
    color: var(--tekst-2);
  }
  .result-detail {
    font-size: 0.85rem;
    color: var(--tekst-2);
    margin-top: 0.4rem;
  }

  .breakdown {
    margin-top: 1rem;
    border-top: 1px solid var(--salie-diep);
    padding-top: 0.75rem;
  }
  .breakdown-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    padding: 0.25rem 0;
    color: var(--tekst-2);
  }
  .breakdown-row.total {
    font-weight: 700;
    color: var(--groen-donker);
    border-top: 1px solid var(--lijn);
    margin-top: 0.4rem;
    padding-top: 0.5rem;
    font-size: 0.9rem;
  }

  .tip {
    background: var(--salie-waas);
    border-left: 3px solid var(--groen-salie);
    padding: 0.9rem 1.1rem;
    margin-top: 1.5rem;
    font-size: 0.85rem;
    color: var(--tekst-2);
    border-radius: 0 var(--radius) var(--radius) 0;
    line-height: 1.55;
  }

  /* Responsive */
  @media (max-width: 520px) {
    body { padding: 1rem 0.5rem; }
    .calc-header { padding: 1.25rem 1.5rem; }
    .calc-body { padding: 1.5rem; }
    .result-number { font-size: 1.8rem; }
  }