.radar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.75);
    display: none;
    z-index: 999999;
}

.radar-overlay-content {
    background: white;
    max-width: 500px;
    margin: 120px auto;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
}

.radar-modes {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 25px;
}

.radar-mode-btn {
    padding: 20px;
    font-size: 1.4rem;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    background: #f4f4f4;
    transition: 0.2s;
}

.radar-mode-btn:hover {
    background: #e0e0e0;
}