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

      @keyframes sp-slideOut {
        0% {
          transform: translateX(0);
          opacity: 1;
        }
        100% {
          transform: translateX(-100%);
          opacity: 0;
        }
      }

      @keyframes sp-shine {
        0% {
          background-position: -100% 50%;
        }
        100% {
          background-position: 200% 50%;
        }
      }

      @keyframes sp-pulse {
        0% {
          transform: scale(1);
        }
        50% {
          transform: scale(1.05);
        }
        100% {
          transform: scale(1);
        }
      }

      #sp-transaction {
        width: 220px;
        position: fixed;
        top: 60px;
        left: 15px;
        font-family: 'Poppins', sans-serif;
        font-weight: 600;
        background: linear-gradient(145deg, #111111, #1a1a1a);
        color: #d4af37;
        border-radius: 10px;
        border: 1px solid #d4af37;
        font-size: 10px;
        padding: 10px;
        z-index: 99999;
        text-align: left;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2),
                   0 0 20px rgba(212, 175, 55, 0.1);
        animation: sp-slideIn 0.3s ease-out;
        display: flex;
        align-items: center;
        gap: 8px;
        transform-origin: center left;
      }

      #sp-transaction.sp-slide-out {
        animation: sp-slideOut 0.3s ease-in forwards;
      }

      #sp-transaction::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(
          90deg,
          transparent,
          rgba(212, 175, 55, 0.1),
          transparent
        );
        background-size: 200% 100%;
        border-radius: 10px;
        animation: sp-shine 2s infinite linear;
      }

      #sp-transaction-icon {
        width: 26px;
        height: 26px;
        min-width: 26px;
        background: linear-gradient(145deg, #d4af37, #f1cf5e);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        animation: sp-pulse 2s infinite ease-in-out;
        box-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
      }

      #sp-transaction-icon svg {
        width: 14px;
        height: 14px;
        fill: #000;
        position: relative;
        z-index: 1;
      }

      #sp-transaction-content {
        flex-grow: 1;
      }

      #sp-username {
        color: #fff;
        font-weight: 700;
        margin-bottom: 2px;
        text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
      }

      #sp-amount {
        color: #d4af37;
        font-weight: 700;
        position: relative;
        text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
        font-size: 9px;
      }

      #sp-timestamp {
        font-size: 8px;
        color: #888;
        margin-top: 2px;
        font-weight: 400;
      }

      /* Responsive design */
      @media (max-width: 768px) {
        #sp-transaction {
          width: 200px;
          font-size: 9px;
          top: 50px;
          left: 12px;
        }
      }

      @media (max-width: 480px) {
        #sp-transaction {
          width: 180px;
          padding: 8px;
          font-size: 8px;
          top: 40px;
          left: 8px;
        }
        
        #sp-transaction-icon {
          width: 22px;
          height: 22px;
          min-width: 22px;
        }
        
        #sp-transaction-icon svg {
          width: 12px;
          height: 12px;
        }
      }