body {
      background: #f8fafc;
      color: #0f172a;
    }
    .register-container {
      max-width: 900px;
      margin: 1.5rem auto 3rem;
      padding: 0 1.25rem 2rem;
    }
    /* Two-stage progress */
    .reg-steps {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      margin: 0 auto 1.25rem;
      max-width: 520px;
    }
    .reg-step {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: 999px;
      padding: 0.4rem 0.85rem 0.4rem 0.4rem;
      font: inherit;
      font-size: 13px;
      font-weight: 600;
      color: #64748b;
      cursor: pointer;
    }
    .reg-step:disabled { opacity: 0.55; cursor: not-allowed; }
    .reg-step.is-active {
      border-color: #0891b2;
      background: #ecfeff;
      color: #0e7490;
    }
    .reg-step.is-done {
      border-color: #a7f3d0;
      background: #ecfdf5;
      color: #047857;
    }
    .reg-step-num {
      width: 26px;
      height: 26px;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: #e2e8f0;
      color: #334155;
      font-size: 12px;
      font-weight: 800;
    }
    .reg-step.is-active .reg-step-num { background: #0891b2; color: #fff; }
    .reg-step.is-done .reg-step-num { background: #10b981; color: #fff; }
    .reg-step-line {
      flex: 0 0 28px;
      height: 2px;
      background: #e2e8f0;
    }
    .reg-promo {
      margin: 0 auto 1.5rem;
      max-width: 36rem;
      text-align: center;
      font-size: 13px;
      font-weight: 600;
      color: #0f172a;
      background: #fff;
      border: 1px solid #e2e8f0;
      border-radius: 10px;
      padding: 0.75rem 1rem;
      line-height: 1.45;
    }
    .reg-promo strong { color: #0a66c2; }
    .reg-promo a { color: #0a66c2; text-decoration: underline; }
    .reg-stage[hidden] { display: none !important; }
    .reg-change-role {
      background: none;
      border: none;
      color: #0a66c2;
      font: inherit;
      font-weight: 700;
      font-size: inherit;
      cursor: pointer;
      text-decoration: underline;
      padding: 0;
    }
    .reg-error {
      background: #fef2f2;
      color: #b91c1c;
      border: 1px solid #fecaca;
      border-radius: 8px;
      padding: 0.65rem 0.85rem;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 1rem;
    }
    .reg-check {
      display: flex !important;
      gap: 0.5rem;
      cursor: pointer;
      font-weight: 500 !important;
      align-items: flex-start;
    }
    .reg-check input { width: auto !important; margin-top: 0.2rem; flex-shrink: 0; }
    .reg-signin-hint {
      text-align: center;
      margin-top: 1.25rem;
      font-size: 14px;
      color: #64748b;
    }
    .reg-signin-hint a { color: #0891b2; font-weight: 600; text-decoration: none; }
    .card-pick {
      display: inline-block;
      margin-top: 0.5rem;
      font-size: 13px;
      font-weight: 800;
      color: #0891b2;
    }
    .register-header {
      text-align: center;
      margin: 0 0 1.75rem;
      padding: 1.25rem 1.25rem 1.15rem;
      background: #fff;
      border: 1px solid #e2e8f0;
      border-radius: 12px;
    }
    .register-header h1 {
      font-size: 1.75rem;
      font-weight: 800;
      color: #0f172a;
      margin: 0 0 0.45rem;
      letter-spacing: -0.02em;
      line-height: 1.2;
    }
    .register-header p {
      font-size: 15px;
      color: #334155;
      margin: 0;
      line-height: 1.5;
    }
    .register-header .reg-change-role {
      color: #0a66c2;
    }
    .register-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 1rem;
      margin-bottom: 1.5rem;
    }
    .register-card {
      background: #fff;
      border: 2px solid #e5e7eb;
      border-radius: 12px;
      padding: 1.35rem 1.25rem 1.15rem;
      text-align: center;
      transition: all 0.2s;
      cursor: pointer;
      font: inherit;
      width: 100%;
      color: inherit;
    }
    .register-card:hover {
      border-color: #0891b2;
      box-shadow: 0 4px 12px rgba(8, 145, 178, 0.1);
      transform: translateY(-2px);
    }
    .register-card.selected {
      background: #f0f9ff;
      border-color: #0891b2;
      box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.15);
    }
    .register-icon {
      width: 48px;
      height: 48px;
      border-radius: 10px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 0.75rem;
      border: 1px solid #cbd5e1;
      background: #0f172a;
      color: #fff;
    }
    .register-icon svg {
      display: block;
    }
    .register-icon-org {
      background: #0f172a;
      border-color: #0f172a;
      color: #fff;
    }
    .register-icon-pro {
      background: #0a66c2;
      border-color: #0a66c2;
      color: #fff;
    }
    .register-icon-supplier {
      background: #334155;
      border-color: #334155;
      color: #fff;
    }
    .register-card h2 {
      font-size: 1.05rem;
      font-weight: 700;
      color: #0f172a;
      margin: 0 0 0.35rem;
    }
    .register-card p {
      font-size: 13px;
      color: #475569;
      margin: 0 0 0.85rem;
    }
    .register-card ul {
      text-align: left;
      font-size: 13px;
      color: #334155;
      margin: 0 0 1rem;
      padding: 0;
      list-style: none;
    }
    .register-card li {
      margin-bottom: 0.45rem;
      display: flex;
      gap: 0.55rem;
      align-items: flex-start;
      line-height: 1.4;
    }
    .register-card li::before {
      content: "";
      width: 6px;
      height: 6px;
      margin-top: 0.4rem;
      border-radius: 50%;
      background: #0a66c2;
      flex-shrink: 0;
    }
    /* Plan picker (step 2) */
    .reg-plans {
      margin: 0 0 1.5rem;
    }
    .reg-plans-head {
      text-align: center;
      margin-bottom: 0.85rem;
    }
    .reg-plans-title {
      margin: 0 0 0.25rem;
      font-size: 1.15rem;
      font-weight: 800;
      color: #0f172a;
    }
    .reg-plans-sub {
      margin: 0;
      font-size: 13px;
      color: #64748b;
      line-height: 1.45;
    }
    .reg-plans-foot {
      text-align: center;
      margin: 0.75rem 0 0;
      font-size: 13px;
    }
    .reg-plans-foot a { color: #0a66c2; font-weight: 600; }
    .reg-plan-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 0.85rem;
    }
    .reg-plan-card {
      position: relative;
      display: flex;
      flex-direction: column;
      align-items: flex-start;
      text-align: left;
      background: #fff;
      border: 2px solid #e2e8f0;
      border-radius: 12px;
      padding: 1.1rem 1rem 1rem;
      font: inherit;
      cursor: pointer;
      transition: border-color .15s, box-shadow .15s, transform .15s;
      width: 100%;
      color: inherit;
    }
    .reg-plan-card:hover {
      border-color: #0a66c2;
      box-shadow: 0 6px 16px rgba(10, 102, 194, 0.1);
      transform: translateY(-1px);
    }
    .reg-plan-card.selected {
      border-color: #0a66c2;
      background: #f0f9ff;
      box-shadow: 0 0 0 3px rgba(10, 102, 194, 0.15);
    }
    .reg-plan-card.is-recommended {
      border-color: #67e8f9;
    }
    .reg-plan-badge {
      position: absolute;
      top: -0.55rem;
      right: 0.75rem;
      font-size: 10px;
      font-weight: 800;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      background: #0a66c2;
      color: #fff;
      padding: 0.2rem 0.5rem;
      border-radius: 999px;
    }
    .reg-plan-promo {
      font-size: 10px;
      font-weight: 800;
      letter-spacing: 0.03em;
      text-transform: uppercase;
      color: #b45309;
      background: #fef3c7;
      border: 1px solid #fcd34d;
      border-radius: 999px;
      padding: 0.15rem 0.45rem;
      margin-bottom: 0.4rem;
    }
    .reg-plan-type {
      font-size: 11px;
      font-weight: 800;
      letter-spacing: 0.05em;
      text-transform: uppercase;
      color: #64748b;
      margin-bottom: 0.2rem;
    }
    .reg-plan-name {
      font-size: 1.1rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 0.35rem;
    }
    .reg-plan-price {
      display: flex;
      flex-wrap: wrap;
      align-items: baseline;
      gap: 0.25rem 0.4rem;
      margin-bottom: 0.65rem;
    }
    .reg-plan-price strong {
      font-size: 1.5rem;
      font-weight: 800;
      color: #0a66c2;
      letter-spacing: -0.02em;
    }
    .reg-plan-period {
      font-size: 12px;
      font-weight: 600;
      color: #64748b;
    }
    .reg-plan-was {
      font-size: 13px;
      color: #94a3b8;
      font-weight: 600;
    }
    .reg-plan-features {
      list-style: none;
      margin: 0 0 0.75rem;
      padding: 0;
      font-size: 12.5px;
      color: #475569;
      line-height: 1.4;
      width: 100%;
    }
    .reg-plan-features li {
      padding: 0.2rem 0 0.2rem 1.1rem;
      position: relative;
    }
    .reg-plan-features li::before {
      content: "✓";
      position: absolute;
      left: 0;
      color: #0891b2;
      font-weight: 800;
    }
    .reg-plan-extras {
      background: #f0f9ff;
      border-top: 1px solid #bae6fd;
      margin: 0.75rem 0 0.75rem -1.25rem;
      padding: 0.75rem 0 0.75rem 1.25rem;
      width: calc(100% + 2.5rem);
    }
    .reg-extras-label {
      display: block;
      font-size: 11px;
      font-weight: 700;
      color: #0369a1;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 0.4rem;
    }
    .reg-extras-list {
      list-style: none;
      margin: 0;
      padding: 0;
      font-size: 12px;
      color: #0369a1;
      line-height: 1.3;
    }
    .reg-extras-list li {
      padding: 0.15rem 0 0.15rem 1rem;
      position: relative;
    }
    .reg-extras-list li::before {
      content: "★";
      position: absolute;
      left: 0;
      color: #0369a1;
      font-size: 10px;
    }
    .reg-plan-pick {
      margin-top: auto;
      font-size: 12px;
      font-weight: 800;
      color: #0a66c2;
    }
    .reg-plan-card.selected .reg-plan-pick::after {
      content: " ✓";
    }

    .register-form {
      background: #fff;
      border: 1px solid #e5e7eb;
      border-radius: 12px;
      padding: 1.5rem 1.5rem 1.75rem;
      margin-bottom: 1rem;
      box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
    }
    @media (max-width: 560px) {
      .reg-step-label { display: none; }
      .reg-step { padding: 0.35rem; }
      .form-row { grid-template-columns: 1fr; }
    }
    .form-group {
      margin-bottom: 1.5rem;
    }
    .form-group label {
      display: block;
      font-weight: 600;
      color: #1e3a5f;
      margin-bottom: 0.5rem;
      font-size: 14px;
    }
    .form-group input,
    .form-group select,
    .form-group textarea {
      width: 100%;
      padding: 10px 12px;
      border: 1px solid #e5e7eb;
      border-radius: 8px;
      font-size: 14px;
      font-family: inherit;
      transition: all 0.2s;
    }
    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
      outline: none;
      border-color: #0891b2;
      box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.1);
    }
    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1rem;
    }
    .form-actions {
      display: flex;
      gap: 1rem;
      margin-top: 2rem;
    }
    .btn {
      flex: 1;
      padding: 12px 24px;
      border: none;
      border-radius: 8px;
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.2s;
    }
    .btn-primary {
      background: #0891b2;
      color: #fff;
    }
    .btn-primary:hover {
      background: #06b6d4;
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(8, 145, 178, 0.3);
    }
    .btn-secondary {
      background: #faf9f7;
      color: #1e3a5f;
      border: 1px solid #e5e7eb;
    }
    .btn-secondary:hover {
      background: #f0f0f0;
    }
    .form-hidden {
      display: none;
    }
    .country-selector {
      position: relative;
      display: inline-block;
    }
    .country-selector-btn {
      background: none;
      border: 1px solid #e5e7eb;
      padding: 8px 12px;
      border-radius: 6px;
      cursor: pointer;
      font-size: 14px;
      font-weight: 500;
      color: #1e3a5f;
      transition: all 0.2s;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .country-selector-btn:hover {
      border-color: #0891b2;
      background: #f0f9ff;
    }
    .country-selector-dropdown {
      position: absolute;
      top: 100%;
      left: 0;
      background: #fff;
      border: 1px solid #e5e7eb;
      border-radius: 8px;
      min-width: 200px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
      z-index: 1000;
      display: none;
      margin-top: 8px;
    }
    .country-selector-dropdown.active {
      display: block;
    }
    .country-option {
      padding: 10px 16px;
      cursor: pointer;
      transition: background 0.2s;
      border-bottom: 1px solid #f0f0f0;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .country-option:last-child {
      border-bottom: none;
    }
    .country-option:hover {
      background: #f0f9ff;
      color: #0891b2;
    }
    .country-option.active {
      background: #f0f9ff;
      color: #0891b2;
      font-weight: 600;
    }
    .header-left {
      display: flex;
      align-items: center;
      gap: 2rem;
    }
    @media (max-width: 768px) {
      .register-grid {
        grid-template-columns: 1fr;
      }
      .form-row {
        grid-template-columns: 1fr;
      }
      .form-actions {
        flex-direction: column;
      }
    }