.alert-container {
      position: fixed;
      top: 20px;
      right: 20px;
      z-index: 9999;
    }

    .alert {
      display: flex;
      align-items: center;
      justify-content: space-between;
      background-color: #ffffff;
      color: #333;
      padding: 16px 20px;
      margin-bottom: 10px;
      border-left: 5px solid #007bff;
      border-radius: 6px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
      min-width: 300px;
      max-width: 400px;
      animation: slideIn 0.5s ease;
    }

    .alert.success {
      border-left-color: #28a745;
    }

    .alert.error {
      border-left-color: #dc3545;
    }

    .alert.warning {
      border-left-color: #ffc107;
    }

    .alert .message {
      flex: 1;
      font-size: 15px;
    }

    .alert .close-btn {
      margin-left: 15px;
      background: transparent;
      border: none;
      font-size: 18px;
      cursor: pointer;
      color: #888;
    }

    .alert .close-btn:hover {
      color: #000;
    }

    @keyframes slideIn {
      from {
        opacity: 0;
        transform: translateX(100%);
      }
      to {
        opacity: 1;
        transform: translateX(0);
      }
    }