#tx-loading {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 14, 39, 0.8);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 9999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
}

#tx-loading.active {
    display: flex;
}

#tx-loading .spinner-border {
    width: 3rem;
    height: 3rem;
    border-width: 0.3em;
}

#tx-hash-display {
    margin-top: 1rem;
    padding: 0.5rem 1rem;
    background: var(--crypto-bg-elevated);
    border-radius: var(--crypto-radius-md);
    border: 1px solid var(--crypto-border);
}