#sudocode-sbtt-container {
    position: fixed;
    z-index: 99999;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
}

#sudocode-sbtt-container.sudocode-sbtt-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#sudocode-sbtt-button {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    transition: background-color 0.3s ease;
    z-index: 2;
}

.sudocode-sbtt-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.sudocode-sbtt-progress-svg {
    position: absolute;
    top: 0;
    left: 0;
    transform: rotate(-90deg);
    z-index: 3; 
    pointer-events: none;
}

.sudocode-sbtt-ring-fill {
    transition: stroke-dashoffset 0.1s linear;
}