.rpc-postal-status {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    line-height: 1.4;
    color: #5f6b76;
}

.rpc-postal-status.is-success {
    color: #0a7f33;
}

.rpc-postal-status.is-warning {
    color: #9a6b00;
}

input.rpc-loading {
    background-image: linear-gradient(90deg, rgba(0,0,0,0.04) 25%, rgba(0,0,0,0.11) 37%, rgba(0,0,0,0.04) 63%);
    background-size: 400% 100%;
    animation: rpc-shimmer 1.2s ease infinite;
}

input.rpc-success {
    border-color: #28a745 !important;
    box-shadow: 0 0 0 1px rgba(40, 167, 69, 0.25);
}

input.rpc-manual {
    border-color: #f0b400 !important;
    box-shadow: 0 0 0 1px rgba(240, 180, 0, 0.3);
    background-color: #fffef1;
}

@keyframes rpc-shimmer {
    0% {
        background-position: 100% 0;
    }
    100% {
        background-position: 0 0;
    }
}

@media (max-width: 768px) {
    .rpc-postal-status {
        font-size: 11px;
    }
}