#testing-control-panel {
    width: fit-content;
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: center;
    margin-inline: auto;
    background-color: var(--main-background-color);
    border-radius: 14px;
    border: 1px solid var(--neutral-border-color);
    margin-block: 10px;
    padding: 10px;
    gap: 10px;
}

#tcp-stop-btn {
    color: red;
}
#tcp-start-btn {
    color: green;
}

.testing-control-panel-sticky {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 9997; /* Ниже overlay, выше остального контента */
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}