.payment-modal {
      display: none;
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0,0,0,0.8);
      z-index: 9999;
      justify-content: center;
      align-items: center;
    }
    
    .payment-content {
      background: white;
      padding: 30px;
      border-radius: 10px;
      max-width: 500px;
      width: 90%;
      text-align: center;
    }
    
    .payment-options {
      margin: 20px 0;
    }
    
    .payment-option {
      background: #f8f9fa;
      border: 2px solid #ddd;
      border-radius: 8px;
      padding: 15px;
      margin: 10px 0;
      cursor: pointer;
      transition: all 0.3s;
    }
    
    .payment-option:hover {
      border-color: #007bff;
      background: #e7f3ff;
    }
    
    .payment-option.selected {
      border-color: #28a745;
      background: #d4edda;
    }
    
    .payment-method-details {
      display: none;
      margin-top: 15px;
    }
    
    .payment-method-details.active {
      display: block;
    }
    
    .payment-input {
      width: 100%;
      padding: 10px;
      margin: 10px 0;
      border: 1px solid #ddd;
      border-radius: 5px;
    }
    
    .submit-payment {
      background: #28a745;
      color: white;
      border: none;
      padding: 12px 30px;
      border-radius: 5px;
      cursor: pointer;
      font-size: 16px;
      margin-top: 15px;
    }
    
    .submit-payment:hover {
      background: #218838;
    }
    
    .paystack-btn {
      background: #0c4b33;
      color: white;
      border: none;
      padding: 12px 30px;
      border-radius: 5px;
      cursor: pointer;
      font-size: 16px;
      margin-top: 15px;
    }
    
    .paystack-btn:hover {
      background: #083823;
    }