.shield-banner {
    margin-top: 10px;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    line-height: 1.5;
}

.shield-hidden {
    display: none;
}

.shield-green {
    background: #e6f4ea;
    border: 1px solid #34a853;
    color: #1e7e34;
}

.shield-yellow {
    background: #fff8e1;
    border: 1px solid #f9a825;
    color: #8a6100;
}

.shield-red {
    background: #fdecea;
    border: 1px solid #d93025;
    color: #a50e0e;
}

.shield-countdown {
    margin-top: 8px;
    font-weight: 600;
}