#gcm-banner {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    z-index: 9999;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 20px;
}

.gcm-box {
    background: #ffffff;
    max-width: 420px;
    width: 100%;
    border-radius: 14px;
    padding: 20px 22px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    animation: slideUp 0.4s ease;
}

.gcm-box h4 {
    margin: 0 0 8px;
    font-size: 18px;
    color: #111;
}

.gcm-box p {
    font-size: 14px;
    color: #555;
    line-height: 1.5;
}

.gcm-actions {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

#gcm-accept {
    flex: 1;
    background: #0d6efd;
    color: #fff;
    border: none;
    padding: 10px;
    border-radius: 8px;
    cursor: pointer;
}

#gcm-decline {
    flex: 1;
    background: #f1f1f1;
    color: #333;
    border: none;
    padding: 10px;
    border-radius: 8px;
    cursor: pointer;
}

@keyframes slideUp {
    from { transform: translateY(30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}