#sdl-remote-bidding-modal.sdl-modal {
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background: rgba(0,0,0,0.6);
    display: none;
}

.sdl-modal-content {
    background: #fff;
    margin: 5% auto;
    padding: 30px 40px 30px;
    border-radius: 8px;
    width: 90%;
    max-width: 500px;
    position: relative;
    box-shadow: 0 2px 16px rgba(0,0,0,0.2);
}

.sdl-modal-close {
    position: absolute;
    top: 10px;
    right: 20px;
    font-size: 2rem;
    color: #333;
    cursor: pointer;
    font-weight: bold;
}