:root {
      --brand-primary: var(--account-brand);
      --brand-primary-hover: color-mix(in srgb, var(--brand-primary) 85%, black);
      --brand-primary-tint: color-mix(in srgb, var(--brand-primary) 8%, white);
      --brand-primary-light: color-mix(in srgb, var(--brand-primary) 14%, white);
      --brand-primary-focus: color-mix(in srgb, var(--brand-primary) 35%, transparent);
      
      --brand-deep-dark: #02230a;
      --brand-deep-card: rgba(255, 255, 255, 0.07);
      --brand-deep-border: rgba(255, 255, 255, 0.14);
      --brand-deep-text: #e2f5e5;
      
      --color-bg-page: #f9fbf9;
      --color-surface-white: #ffffff;
      --color-text-main: #0f172a;
      --color-text-secondary: #475569;
      --color-text-muted: #64748b;
      --color-border: #e2e8f0;
      --color-border-input: #cbd5e1;
      
      --color-error: #dc2626;
      --color-error-bg: #fef2f2;
      --color-error-border: #fecaca;
      
      --color-success: #16a34a;
      --color-success-bg: #f0fdf4;
      --color-success-border: #bbf7d0;

      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --radius-full: 9999px;

      --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
      --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
      --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
      --shadow-input-focus: 0 0 0 3px var(--brand-primary-focus);

      --font-family-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      --font-family-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      
      --transition-standard: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    }

    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      font-family: var(--font-family-body);
      color: var(--color-text-main);
      background-color: var(--color-bg-page);
      line-height: 1.5;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      min-height: 100vh;
    }

    /* Page container */
    .vtunaija-register-page {
      display: flex;
      min-height: 100vh;
      width: 100%;
      position: relative;
    }

    /* LEFT BRAND PANEL (Desktop 42%) */
    .register-left-panel {
      display: none;
      width: 44%;
      background: linear-gradient(155deg, #02200a 0%, #03320f 40%, #084918 100%);
      color: #ffffff;
      padding: 48px 48px;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
      overflow: hidden;
    }

    .register-left-panel::before {
      content: '';
      position: absolute;
      inset: 0;
      background-image: radial-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px);
      background-size: 24px 24px;
      opacity: 0.7;
      pointer-events: none;
    }

    .register-left-panel::after {
      content: '';
      position: absolute;
      top: -15%;
      right: -15%;
      width: 500px;
      height: 500px;
      background: radial-gradient(circle, rgba(0, 190, 40, 0.2) 0%, transparent 70%);
      border-radius: 50%;
      pointer-events: none;
    }

    .panel-brand-header {
      position: relative;
      z-index: 2;
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .brand-logo-icon {
      width: 42px;
      height: 42px;
      border-radius: var(--radius-md);
      background: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
      flex-shrink: 0;
    }

    .brand-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 12px;
      border-radius: var(--radius-full);
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.2);
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--brand-deep-text);
    }

    .panel-brand-content {
      position: relative;
      z-index: 2;
      margin: 40px 0;
    }

    .panel-title {
      font-family: var(--font-family-heading);
      font-size: clamp(2rem, 2.5vw, 2.65rem);
      font-weight: 800;
      line-height: 1.18;
      letter-spacing: -0.025em;
      color: #ffffff;
      margin-bottom: 16px;
    }

    .panel-subtitle {
      font-size: 1.05rem;
      color: rgba(226, 245, 229, 0.88);
      max-width: 480px;
      line-height: 1.6;
      margin-bottom: 32px;
    }

    /* Service ecosystem tiles */
    .services-grid {
      display: flex;
      flex-direction: column;
      gap: 12px;
      max-width: 500px;
    }

    .service-tile-full {
      background: var(--brand-deep-card);
      border: 1px solid var(--brand-deep-border);
      border-radius: var(--radius-md);
      padding: 14px 18px;
      display: flex;
      align-items: center;
      gap: 14px;
      backdrop-filter: blur(8px);
      transition: var(--transition-standard);
    }

    .service-tile-full:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: rgba(255, 255, 255, 0.28);
      transform: translateY(-1px);
    }

    .service-icon-box {
      width: 38px;
      height: 38px;
      border-radius: var(--radius-sm);
      background: rgba(255, 255, 255, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #72f790;
      flex-shrink: 0;
    }

    .service-tile-text h4 {
      font-size: 0.95rem;
      font-weight: 600;
      color: #ffffff;
      margin-bottom: 2px;
    }

    .service-tile-text p {
      font-size: 0.8rem;
      color: rgba(226, 245, 229, 0.75);
      line-height: 1.35;
    }

    .services-subgrid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
    }

    .service-tile-compact {
      background: var(--brand-deep-card);
      border: 1px solid var(--brand-deep-border);
      border-radius: var(--radius-md);
      padding: 12px 14px;
      display: flex;
      align-items: center;
      gap: 12px;
      backdrop-filter: blur(8px);
    }

    .service-tile-compact .service-icon-box {
      width: 32px;
      height: 32px;
    }

    .service-tile-compact h4 {
      font-size: 0.85rem;
      font-weight: 600;
      color: #ffffff;
      margin-bottom: 1px;
    }

    .service-tile-compact p {
      font-size: 0.72rem;
      color: rgba(226, 245, 229, 0.7);
    }

    .panel-footer-meta {
      position: relative;
      z-index: 2;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid rgba(255, 255, 255, 0.15);
      padding-top: 24px;
      font-size: 0.82rem;
      color: rgba(226, 245, 229, 0.75);
    }

    .meta-item {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* RIGHT REGISTRATION PANEL (Desktop 56%) */
    .register-right-panel {
      flex: 1;
      width: 100%;
      background: var(--color-surface-white);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: flex-start;
      padding: 40px 24px 60px 24px;
      overflow-y: auto;
    }

    .form-wrapper {
      width: 100%;
      max-width: 620px;
      margin: 0 auto;
    }

    /* Mobile Brand Bar (Visible on mobile/tablet) */
    .mobile-brand-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 24px;
    }

    .mobile-logo-group {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .mobile-logo-icon {
      width: 36px;
      height: 36px;
      background: var(--brand-primary);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #ffffff;
    }

    .mobile-logo-text {
      font-family: var(--font-family-heading);
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--color-text-main);
      letter-spacing: -0.02em;
    }

    /* Header block */
    .form-header {
      margin-bottom: 28px;
    }

    .form-title {
      font-family: var(--font-family-heading);
      font-size: clamp(1.75rem, 2.2vw, 2.2rem);
      font-weight: 800;
      color: var(--color-text-main);
      letter-spacing: -0.025em;
      margin-bottom: 8px;
      line-height: 1.2;
    }

    .form-subtitle {
      font-size: 0.95rem;
      color: var(--color-text-secondary);
      line-height: 1.5;
    }

    /* Summary error alert banner */
    .summary-alert {
      display: none;
      align-items: flex-start;
      gap: 12px;
      background: var(--color-error-bg);
      border: 1px solid var(--color-error-border);
      border-radius: var(--radius-md);
      padding: 14px 16px;
      margin-bottom: 24px;
      color: var(--color-error);
      font-size: 0.88rem;
    }

    .summary-alert.is-visible {
      display: flex;
    }

    /* Form Sections */
    .form-section {
      margin-bottom: 28px;
    }

    .section-header {
      display: flex;
      align-items: center;
      gap: 10px;
      padding-bottom: 12px;
      margin-bottom: 18px;
      border-bottom: 1px solid var(--color-border);
    }

    .section-badge {
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: var(--brand-primary-tint);
      color: var(--brand-primary);
      font-size: 0.75rem;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .section-title {
      font-family: var(--font-family-heading);
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--color-text-main);
      letter-spacing: -0.01em;
    }

    /* Form Grids */
    .form-grid-2 {
      display: grid;
      grid-template-columns: 1fr;
      gap: 16px;
    }

    .form-group {
      display: flex;
      flex-direction: column;
      position: relative;
    }

    .form-label {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--color-text-main);
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .form-label .required-mark {
      color: var(--color-error);
      margin-left: 2px;
    }

    .input-wrapper {
      position: relative;
      display: flex;
      align-items: center;
      width: 100%;
    }

    .input-icon {
      position: absolute;
      left: 14px;
      color: var(--color-text-muted);
      pointer-events: none;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: var(--transition-standard);
    }

    .form-input, .form-select {
      width: 100%;
      height: 48px;
      padding: 0 16px 0 42px;
      background: #ffffff;
      border: 1.5px solid var(--color-border-input);
      border-radius: var(--radius-md);
      font-family: var(--font-family-body);
      font-size: 0.92rem;
      color: var(--color-text-main);
      transition: var(--transition-standard);
      outline: none;
      -webkit-appearance: none;
      appearance: none;
    }

    .form-input::placeholder {
      color: #94a3b8;
    }

    .form-input:hover, .form-select:hover {
      border-color: #94a3b8;
    }

    .form-input:focus, .form-select:focus {
      border-color: var(--brand-primary);
      box-shadow: var(--shadow-input-focus);
    }

    .form-select {
      cursor: pointer;
      padding-right: 40px;
    }

    .select-chevron {
      position: absolute;
      right: 14px;
      color: var(--color-text-muted);
      pointer-events: none;
      display: flex;
      align-items: center;
    }

    /* With right icon (e.g. visibility toggles) */
    .has-trailing-btn .form-input {
      padding-right: 48px;
    }

    .btn-toggle-pass {
      position: absolute;
      right: 8px;
      top: 50%;
      transform: translateY(-50%);
      width: 36px;
      height: 36px;
      border: none;
      background: transparent;
      border-radius: var(--radius-sm);
      color: var(--color-text-muted);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      transition: var(--transition-standard);
    }

    .btn-toggle-pass:hover {
      color: var(--color-text-main);
      background: #f1f5f9;
    }

    .btn-toggle-pass:focus-visible {
      outline: 2px solid var(--brand-primary);
      outline-offset: 1px;
    }

    /* Helper and Error Messages */
    .field-hint {
      font-size: 0.76rem;
      color: var(--color-text-muted);
      margin-top: 5px;
    }

    .field-error {
      font-size: 0.78rem;
      color: var(--color-error);
      margin-top: 5px;
      display: none;
      align-items: center;
      gap: 5px;
      font-weight: 500;
    }

    .field-error.is-active {
      display: flex;
    }

    .form-group.has-error .form-input,
    .form-group.has-error .form-select {
      border-color: var(--color-error);
      background-color: #fffbfa;
    }

    .form-group.has-error .form-input:focus,
    .form-group.has-error .form-select:focus {
      box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.18);
    }

    .form-group.has-error .input-icon {
      color: var(--color-error);
    }

    /* LIVE PASSWORD REQUIREMENTS CHECKLIST */
    .password-checklist-card {
      margin-top: 10px;
      padding: 14px 16px;
      background: #f8fafc;
      border: 1px solid var(--color-border);
      border-radius: var(--radius-md);
      transition: var(--transition-standard);
    }

    .checklist-header {
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--color-text-secondary);
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .checklist-status-badge {
      font-size: 0.72rem;
      font-weight: 600;
      padding: 2px 8px;
      border-radius: var(--radius-full);
      background: #e2e8f0;
      color: var(--color-text-muted);
    }

    .checklist-status-badge.all-met {
      background: var(--color-success-bg);
      color: var(--color-success);
      border: 1px solid var(--color-success-border);
    }

    .checklist-items {
      list-style: none;
      display: grid;
      grid-template-columns: 1fr;
      gap: 6px;
    }

    .rule-item {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.8rem;
      color: var(--color-text-muted);
      transition: color 0.18s ease;
    }

    .rule-icon {
      width: 16px;
      height: 16px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      font-size: 0.65rem;
      background: #e2e8f0;
      color: #64748b;
      transition: var(--transition-standard);
    }

    /* Rule states: Neutral, Unmet (Red), Met (Green) */
    .rule-item.rule-neutral {
      color: var(--color-text-muted);
    }
    .rule-item.rule-neutral .rule-icon {
      background: #e2e8f0;
      color: #94a3b8;
    }

    .rule-item.rule-unmet {
      color: var(--color-error);
      font-weight: 500;
    }
    .rule-item.rule-unmet .rule-icon {
      background: var(--color-error-bg);
      color: var(--color-error);
      border: 1px solid var(--color-error-border);
    }

    .rule-item.rule-met {
      color: var(--color-success);
      font-weight: 500;
    }
    .rule-item.rule-met .rule-icon {
      background: var(--color-success-bg);
      color: var(--color-success);
      border: 1px solid var(--color-success-border);
    }

    /* CONFIRM PASSWORD LIVE MATCHING FEEDBACK */
    .match-feedback-box {
      margin-top: 6px;
      font-size: 0.8rem;
      display: none;
      align-items: center;
      gap: 6px;
      padding: 6px 10px;
      border-radius: var(--radius-sm);
      font-weight: 500;
      transition: var(--transition-standard);
    }

    .match-feedback-box.is-mismatch {
      display: flex;
      background: var(--color-error-bg);
      color: var(--color-error);
      border: 1px solid var(--color-error-border);
    }

    .match-feedback-box.is-matched {
      display: flex;
      background: var(--color-success-bg);
      color: var(--color-success);
      border: 1px solid var(--color-success-border);
    }

    /* ACTION & SUBMIT BUTTON */
    .form-actions {
      margin-top: 24px;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .btn-primary-register {
      width: 100%;
      height: 52px;
      background: var(--brand-primary);
      color: #ffffff;
      border: none;
      border-radius: var(--radius-md);
      font-family: var(--font-family-body);
      font-size: 1rem;
      font-weight: 700;
      letter-spacing: 0.01em;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      box-shadow: 0 4px 12px color-mix(in srgb, var(--brand-primary) 30%, transparent);
      transition: var(--transition-standard);
      position: relative;
    }

    .btn-primary-register:hover {
      background: var(--brand-primary-hover);
      transform: translateY(-1px);
      box-shadow: 0 6px 16px color-mix(in srgb, var(--brand-primary) 40%, transparent);
    }

    .btn-primary-register:active {
      transform: translateY(0);
    }

    .btn-primary-register:focus-visible {
      outline: 3px solid var(--brand-primary-focus);
      outline-offset: 2px;
    }

    .btn-primary-register.is-loading {
      opacity: 0.85;
      pointer-events: none;
      cursor: not-allowed;
    }

    .btn-spinner {
      display: none;
      width: 20px;
      height: 20px;
      border: 2.5px solid rgba(255, 255, 255, 0.35);
      border-top-color: #ffffff;
      border-radius: 50%;
      animation: spin 0.75s linear infinite;
    }

    .btn-primary-register.is-loading .btn-spinner {
      display: inline-block;
    }

    @keyframes spin {
      to { transform: rotate(360deg); }
    }

    /* Secondary Navigation (Sign-in prompt) */
    .signin-prompt {
      text-align: center;
      font-size: 0.92rem;
      color: var(--color-text-secondary);
    }

    .signin-link {
      color: var(--brand-primary);
      font-weight: 700;
      text-decoration: none;
      margin-left: 4px;
      transition: var(--transition-standard);
    }

    .signin-link:hover {
      text-decoration: underline;
      color: var(--brand-primary-hover);
    }

    /* Support & Legal footer */
    .form-footer-support {
      margin-top: 36px;
      padding-top: 24px;
      border-top: 1px solid var(--color-border);
      text-align: center;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .support-prompt {
      font-size: 0.88rem;
      color: var(--color-text-muted);
    }

    .support-link {
      color: var(--brand-primary);
      font-weight: 600;
      text-decoration: none;
    }

    .support-link:hover {
      text-decoration: underline;
    }

    .legal-links {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      font-size: 0.8rem;
      color: var(--color-text-muted);
      flex-wrap: wrap;
    }

    .legal-links a {
      color: var(--color-text-muted);
      text-decoration: none;
      transition: var(--transition-standard);
    }

    .legal-links a:hover {
      color: var(--color-text-main);
      text-decoration: underline;
    }

    /* ACCESSIBILITY UTILITIES */
    .sr-only {
      position: absolute;
      width: 1px;
      height: 1px;
      padding: 0;
      margin: -1px;
      overflow: hidden;
      clip: rect(0, 0, 0, 0);
      white-space: nowrap;
      border: 0;
    }

    /* RESPONSIVE BREAKPOINTS */
    @media (min-width: 640px) {
      .form-grid-2 {
        grid-template-columns: repeat(2, 1fr);
      }
      .checklist-items {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (min-width: 992px) {
      .register-left-panel {
        display: flex;
      }
      .mobile-brand-bar {
        display: none;
      }
      .register-right-panel {
        padding: 56px 48px;
      }
    }

    @media (min-width: 1280px) {
      .register-left-panel {
        padding: 60px 56px;
      }
      .register-right-panel {
        padding: 60px 64px;
      }
    }

    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
      }
    }