.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: 2px;
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.3);
    backdrop-filter: blur(6px);
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
    color: #06b6d4;
}

.symbol-grid div:hover {
    background: rgba(6, 182, 212, 0.2);
    border-color: rgba(6, 182, 212, 0.5);
    transform: scale(1.05);
}

.demo-status {
    text-align: center;
    font-size: 14px;
    color: #cbd5e1;
    margin-top: 12px;
    letter-spacing: 0.5px;
    font-weight: 600;
}