.control-bar {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    display: flex;
    gap: 10px;
}
.control-btn {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(52,152,219,0.25);
}
.control-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(52,152,219,0.35);
}