.symbol-grid {
    display: grid;
    grid-template-columns: repeat(3, 64px);
    grid-template-rows: repeat(3, 64px);
    gap: 8px;
    justify-content: center;
    margin: 30px auto;
    cursor: pointer;
}

.symbol-grid div {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    border-radius: 12px;
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(6px);
    transition: background 0.2s ease;
}

.symbol-grid div:hover {
    background: rgba(255,255,255,0.22);
}

.demo-status {
    text-align: center;
    font-size: 14px;
    color: #e0e0e0;
    margin-top: 12px;
}