.hound-modal-overlay {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.5);
      backdrop-filter: blur(4px);
      z-index: 999999;
      justify-content: center;
      align-items: center;
    }

    .hound-modal-overlay.active {
      display: flex;
    }

    .hound-modal {
      background: #ffffff;
      border-radius: 16px;
      max-width: 600px;
      width: 90%;
      max-height: 90vh;
      overflow-y: auto;
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
      position: relative;
      animation: modalSlideIn 0.3s ease-out;
    }

    @keyframes modalSlideIn {
      from { opacity: 0; transform: translateY(-20px); }
      to { opacity: 1; transform: translateY(0); }
    }

    .hound-modal-header {
      background: linear-gradient(135deg, #003da5 0%, #0052cc 100%);
      color: white;
      padding: 24px 30px;
      border-radius: 16px 16px 0 0;
    }

    .hound-modal-header h2 {
      font-size: 1.5rem;
      font-weight: 600;
      margin-bottom: 8px;
    }

    .hound-modal-header p {
      font-size: 0.95rem;
      opacity: 0.9;
    }

    .hound-close-btn {
      position: absolute;
      top: 16px;
      right: 16px;
      background: rgba(255, 255, 255, 0.2);
      border: none;
      color: white;
      width: 32px;
      height: 32px;
      border-radius: 50%;
      cursor: pointer;
      font-size: 1.2rem;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background 0.2s;
    }

    .hound-close-btn:hover {
      background: rgba(255, 255, 255, 0.3);
    }

    .hound-modal-body {
      padding: 30px;
    }

    .hound-intro {
      color: #374151;
      font-size: 0.95rem;
      line-height: 1.6;
      margin-bottom: 24px;
      padding: 16px;
      background: #f0f9ff;
      border-radius: 8px;
      border-left: 4px solid #003da5;
    }

    .hound-section {
      margin-bottom: 20px;
    }

    .hound-section-title {
      color: #003da5;
      font-size: 1rem;
      font-weight: 600;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .hound-section-title::before {
      content: '';
      width: 4px;
      height: 18px;
      background: #003da5;
      border-radius: 2px;
    }

    .hound-list {
      list-style: none;
      padding-left: 12px;
    }

    .hound-list li {
      color: #4b5563;
      font-size: 0.9rem;
      line-height: 1.8;
      position: relative;
      padding-left: 20px;
    }

    .hound-list li::before {
      content: '▪';
      color: #003da5;
      position: absolute;
      left: 0;
    }

    .hound-list li b {
      color: #1f2937;
    }

    .hound-form {
      margin-top: 30px;
      padding-top: 24px;
      border-top: 1px solid #e5e7eb;
    }

    .hound-form-group {
      margin-bottom: 16px;
    }

    .hound-form-group label {
      display: block;
      color: #374151;
      font-size: 0.9rem;
      font-weight: 500;
      margin-bottom: 8px;
    }

    .hound-input {
      width: 100%;
      padding: 14px 16px;
      border: 2px solid #e5e7eb;
      border-radius: 8px;
      font-size: 1rem;
      transition: border-color 0.2s, box-shadow 0.2s;
    }

    .hound-input:focus {
      outline: none;
      border-color: #003da5;
      box-shadow: 0 0 0 3px rgba(0, 61, 165, 0.1);
    }

    .hound-input::placeholder {
      color: #9ca3af;
    }

    .hound-submit-btn {
      width: 100%;
      padding: 16px 24px;
      background: linear-gradient(135deg, #003da5 0%, #0052cc 100%);
      color: white;
      border: none;
      border-radius: 8px;
      font-size: 1rem;
      font-weight: 600;
      cursor: pointer;
      transition: transform 0.2s, box-shadow 0.2s;
    }

    .hound-submit-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(0, 61, 165, 0.4);
    }

    .hound-submit-btn:disabled {
      background: #9ca3af;
      cursor: not-allowed;
      transform: none;
      box-shadow: none;
    }

    .hound-loading, .hound-success, .hound-error {
      display: none;
      text-align: center;
      padding: 40px 20px;
    }

    .hound-loading.active, .hound-success.active, .hound-error.active {
      display: block;
    }

    .hound-spinner {
      width: 50px;
      height: 50px;
      border: 4px solid #e5e7eb;
      border-top-color: #003da5;
      border-radius: 50%;
      animation: spin 1s linear infinite;
      margin: 0 auto 20px;
    }

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

    .hound-success-icon {
      width: 60px;
      height: 60px;
      background: #10b981;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 20px;
      color: white;
      font-size: 2rem;
    }

    .hound-error-icon {
      width: 60px;
      height: 60px;
      background: #ef4444;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 20px;
      color: white;
      font-size: 2rem;
    }

    .hound-success h3, .hound-error h3 {
      color: #1f2937;
      margin-bottom: 10px;
    }

    .hound-success p, .hound-error p {
      color: #6b7280;
    }

    .hound-retry-btn {
      margin-top: 20px;
      padding: 12px 24px;
      background: #003da5;
      color: white;
      border: none;
      border-radius: 8px;
      cursor: pointer;
      font-size: 0.9rem;
    }

    .hound-trigger-btn {
      padding: 16px 32px;
      background: linear-gradient(135deg, #003da5 0%, #0052cc 100%);
      color: white;
      border: none;
      border-radius: 8px;
      font-size: 1rem;
      font-weight: 600;
      cursor: pointer;
      transition: transform 0.2s, box-shadow 0.2s;
    }

    .hound-trigger-btn:hover {
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(0, 61, 165, 0.4);
    }

    .demo-container {
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
    }