<style>
    *, *::before, *::after { box-sizing: border-box; }
    body {
      font-family: Arial, sans-serif;
      font-size: 14px;
      color: #333;
      margin: 0;
      padding: 0;
      background: #f5f5f5;
    }
    .wrapper {
      max-width: 720px;
      margin: 0 auto;
      background: #fff;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }
    .header img {
      width: 100%;
      display: block;
    }
    .content {
      flex: 1;
      padding: 20px 30px;
    }
    .step-indicator {
      background: #e8f4f8;
      padding: 10px 16px;
      border-radius: 6px;
      font-size: 13px;
      color: #0082C8;
      font-weight: 600;
      margin-bottom: 20px;
    }
    h1 {
      font-size: 20px;
      color: #1a1a1a;
      margin: 0 0 8px 0;
    }
    .intro {
      font-size: 13px;
      color: #666;
      line-height: 1.6;
      margin-bottom: 24px;
    }
    .section-title {
      font-size: 15px;
      font-weight: 700;
      color: #1a1a1a;
      margin: 24px 0 6px 0;
    }
    .section-subtitle {
      font-size: 12px;
      color: #888;
      margin: 0 0 12px 0;
    }
    .form-group {
      margin-bottom: 14px;
    }
    .form-group input[type="text"],
    .form-group input[type="email"],
    .form-group select {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid #ccc;
      border-radius: 4px;
      font-size: 14px;
      font-family: Arial, sans-serif;
      box-sizing: border-box;
      transition: border-color 0.2s;
    }
    .form-group input:focus,
    .form-group select:focus {
      outline: none;
      border-color: #0082C8;
    }
    .divider {
      border: none;
      border-top: 1px solid #e0e0e0;
      margin: 24px 0;
    }
    .errors {
      color: #d32f2f;
      font-size: 13px;
      margin-bottom: 12px;
    }
    .btn-row {
      text-align: right;
      margin-top: 24px;
    }
    .noordhoff-btn {
      background-color: #0082C8;
      color: white;
      border: none;
      padding: 12px 32px;
      font-size: 14px;
      cursor: pointer;
      border-radius: 6px;
      font-weight: 500;
      font-family: Arial, sans-serif;
      transition: background-color 0.2s;
      text-decoration: none;
      display: inline-block;
    }
    .noordhoff-btn:hover {
      background-color: #006ba3;
    }
    .noordhoff-btn:disabled {
      background-color: #ccc;
      cursor: not-allowed;
    }
    .footer {
      padding: 16px 30px;
      font-size: 11px;
      color: #999;
      border-top: 1px solid #eee;
      text-align: center;
    }
    .footer a {
      color: #0082C8;
      text-decoration: none;
    }

    /* --- Product selection styles (used on step 2 and FE page) --- */
    .product-option {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      padding: 14px 16px;
      border: 1px solid #e0e0e0;
      border-radius: 4px;
      margin-bottom: 8px;
      cursor: pointer;
      transition: border-color 0.2s, background 0.2s;
    }
    .product-option:hover {
      border-color: #0082C8;
      background: #f8fcff;
    }
    .product-option.selected {
      border-color: #0082C8;
      background: #e8f4ff;
    }
    .product-option input[type="radio"] { display: none; }
    .product-name { font-size: 13px; }
    .product-price { font-size: 13px; font-weight: 600; color: #0082C8; white-space: nowrap; margin-left: 12px; }

    /* --- Product add panel --- */
    .product-panel {
      margin-top: 16px;
      padding-top: 16px;
      border-top: 1px solid #e0e0e0;
    }

    /* --- Already-ordered product row --- */
    .already-ordered-row {
      border: 1px solid #e8e8e8;
      border-radius: 4px;
      margin-bottom: 12px;
      background: #fafafa;
    }

    /* --- Info card (used for Jouw gegevens / Schoolgegevens) --- */
    .info-card {
      border: 1px solid #e0e0e0;
      border-radius: 6px;
      padding: 16px 20px;
      margin-bottom: 8px;
      background: #fafafa;
    }
    .info-card table { width: 100%; border-collapse: collapse; font-size: 13px; }
    .info-card td { padding: 5px 0; vertical-align: top; }
    .info-card td:first-child { font-weight: 600; width: 130px; color: #555; }
    .info-card .info-card-footer {
      font-size: 12px;
      color: #888;
      border-top: 1px solid #eee;
      padding-top: 10px;
      margin-top: 12px;
    }

    /* --- Order list (used on steps 4 & 5) --- */
    .order-list {
      border: 1px solid #c8e0f0;
      border-radius: 6px;
      background: #e8f4ff;
      overflow: visible;
      margin-bottom: 24px;
    }
    .order-list-row {
      padding: 10px 14px;
      font-size: 13px;
      border-bottom: 1px solid #c8e0f0;
    }
    .order-list-row:last-child { border-bottom: none; }
    .order-list-row .olrow-title {
      font-weight: 600;
      color: #1a1a1a;
      margin-bottom: 3px;
    }
    .order-list-row .olrow-bottom {
      display: flex;
      justify-content: space-between;
      align-items: baseline;
      font-size: 12px;
      color: #555;
    }
    .order-list-row .olrow-meta { flex: 1; }
    .order-list-row .olrow-price {
      font-weight: 600;
      color: #1a1a1a;
      white-space: nowrap;
      margin-left: 16px;
    }

    /* Overstap tooltip */
    .overstap-tip {
      border-bottom: 1px dashed #0082C8;
      color: #0082C8;
      cursor: help;
      position: relative;
    }
    .overstap-tip:hover::after {
      content: attr(data-tip);
      position: absolute;
      top: 100%;
      left: 0;
      background: #1a1a1a;
      color: #fff;
      font-size: 11px;
      padding: 5px 8px;
      border-radius: 4px;
      white-space: nowrap;
      margin-top: 4px;
      z-index: 100;
      pointer-events: none;
    }

    /* --- Order summary styles (used on steps 4 & 5) --- */
    .order-card {
      border: 1px solid #e0e0e0;
      border-radius: 6px;
      padding: 16px;
      margin-bottom: 12px;
    }
    .order-card h3 { font-size: 14px; margin: 0 0 10px 0; }
    .order-card table { font-size: 13px; width: 100%; }
    .order-card td { padding: 3px 0; }
    .order-card .label { font-weight: 600; width: 130px; vertical-align: top; }

    /* --- Radio/checkbox visual styles --- */
    .radio-group label {
      display: inline-block;
      padding: 8px 20px;
      border: 1px solid #ccc;
      border-radius: 4px;
      margin-right: 8px;
      cursor: pointer;
      font-size: 13px;
      transition: all 0.2s;
    }
    .radio-group input[type="radio"] { display: none; }
    .radio-group input[type="radio"]:checked + label {
      border-color: #0082C8;
      background: #e8f4ff;
      color: #0082C8;
      font-weight: 600;
    }

    .checkbox-group label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      cursor: pointer;
    }

    /* --- Custom school picker --- */
    .school-picker-wrapper { position: relative; }
    .school-picker { position: relative; }
    .school-search-input {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid #ccc;
      border-radius: 4px;
      font-size: 14px;
      font-family: Arial, sans-serif;
      box-sizing: border-box;
      transition: border-color 0.2s;
    }
    .school-search-input:focus {
      outline: none;
      border-color: #0082C8;
    }
    .school-dropdown {
      position: absolute;
      top: 100%;
      left: 0;
      right: 0;
      background: #fff;
      border: 1px solid #ccc;
      border-top: none;
      border-radius: 0 0 4px 4px;
      max-height: 260px;
      overflow-y: auto;
      z-index: 1000;
      box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    }
    .school-dropdown ul {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .school-dropdown ul li {
      padding: 10px 14px;
      font-size: 13px;
      cursor: pointer;
      border-bottom: 1px solid #f0f0f0;
    }
    .school-dropdown ul li:last-child { border-bottom: none; }
    .school-dropdown ul li:hover { background: #f0f8ff; }
    .school-dropdown ul li.no-results {
      color: #999;
      cursor: default;
      font-style: italic;
    }
    .school-dropdown ul li.no-results:hover { background: none; }

    /* --- Business email error --- */
    .business-email-error {
      color: #d32f2f;
      font-size: 13px;
      display: block;
      margin-top: 4px;
    }

    /* --- Maintenance mode --- */
    .maintenance {
      text-align: center;
      padding: 80px 30px;
      color: #666;
    }
    .maintenance h2 {
      font-size: 18px;
      color: #333;
    }

    /* --- Debug bar --- */
    .debug-bar {
      background: #fff3cd;
      padding: 6px 12px;
      font-size: 11px;
      color: #856404;
    }

    @media (max-width: 640px) {
      .content { padding: 16px; }
      .wrapper { max-width: 100%; }
    }
  </style>