.flux-pay-now-mini {
    display: inline-flex; 
    align-items: center; 
    gap: .5rem;
    padding: .65rem 2rem; 
    border-radius: .5rem; 
    border: 0;
    text-decoration: none; 
    cursor: pointer; 
    font-weight: 600;
    transition: transform .15s ease, box-shadow .15s ease, opacity .15s ease;
    background: linear-gradient(135deg,#667eea 0%,#764ba2 100%);
    color: #fff;
    border: 1px solid #eff6f2 !important;
    position: relative;
}

.flux-pay-now-mini:hover { 
    background-color: #eff6f2 !important; 
    border: 1px solid white !important; 
    color: black !important; 
}

.flux-pay-now-mini:disabled,
.flux-pay-now-mini[aria-busy="true"] { 
    opacity: .7; 
    cursor: not-allowed; 
    transform: none; 
}

.flux-paynow-icon { 
    height: 80px; 
    scale: 2.5; 
}

.flux-spinner {
    width: 20px; 
    height: 20px; 
    border-radius: 50%;
    border: 2px solid transparent;
    border-top-color: black;
    animation: flux-spin 1s linear infinite;
    display: none;
    color: black !important;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.flux-pay-now-mini.is-loading .flux-spinner { 
    display: block; 
}

.flux-pay-now-mini.is-loading span:not(.flux-spinner) { 
    opacity: 0; 
}

@keyframes flux-spin { 
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Checkout page styles */
#customer_details, .woocommerce-billing-fields, .woocommerce-shipping-fields, h3 {
    display: none !important;
}