.error-section {
      background: rgba(253, 121, 168, 0.1);
      border-left: 4px solid #fd79a8;
      border-radius: 8px;
      padding: 12px 16px;
      margin-top: 15px;
      display: flex;
      align-items: center;
      gap: 10px;
  }

  .error-section-icon {
      color: #fd79a8;
      font-size: 16px;
  }

  .error-section-title {
      color: #2d3436;
      font-size: 14px;
      font-weight: 600;
      margin: 0;
  }

  .success-section {
      background: rgba(0, 184, 148, 0.1);
      border-left: 4px solid #00b894;
  }
.error-alert-simple {
      background: #fee;
      border: 1px solid #fcc;
      border-left: 4px solid #e74c3c;
      border-radius: 8px;
      padding: 16px 20px;
      margin: 15px 0;
      animation: shake 0.5s ease-in-out;
  }

  @keyframes shake {
      0%, 20%, 40%, 60%, 80% { transform: translateX(-2px); }
      10%, 30%, 50%, 70%, 90% { transform: translateX(2px); }
  }

  .error-alert-simple .error-title {
      color: #721c24;
      font-size: 14px;
      margin-bottom: 10px;
      font-weight: 600;
  }

  .error-alert-simple .error-list {
      margin: 10px;
      padding-left: 20px;
  }

  .error-list {
      margin: 10px;
      padding-left: 20px;
  }

  .demo-section {
      background: white;
      padding: 20px;
      border-radius: 12px;
      margin: 30px 0;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  }

  .error-alert {
      background: linear-gradient(135deg, #ffeaa7 0%, #fab1a0 50%, #fd79a8 100%);
      border-radius: 12px;
      padding: 0;
      margin: 20px 0;
      box-shadow: 0 8px 25px rgba(253, 121, 168, 0.2);
      overflow: hidden;
      animation: slideInDown 0.5s ease-out;
  }

  .error-content {
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      padding: 20px;
      border-radius: 12px;
      margin: 3px;
      position: relative;
  }

  @media (max-width: 480px) {
      .error-alert,
      .success-alert,
      .warning-alert {
          margin: 15px 0;
      }

      .error-content,
      .success-content,
      .warning-content {
          padding: 15px;
      }

      .error-item {
          font-size: 13px;
      }

      .error-section {
          flex-direction: column;
          align-items: flex-start;
          gap: 8px;
      }
  }