.tt-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.tt-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: background-color .4s;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: transform .4s, opacity .4s; /* Added opacity transition */
    opacity: 1;
}

input:checked + .slider {
    background-color: #28a745;
}

input:focus + .slider {
    box-shadow: 0 0 1px #28a745;
}

input:checked + .slider:before {
    transform: translateX(20px);
}

.slider.round {
    border-radius: 24px;
}

.slider.round:before {
    border-radius: 50%;
}

/* --- Loading State --- */

input:disabled + .slider {
    cursor: not-allowed;
    opacity: 0.7;
}

/* Fade out the handle when loading/disabled */
input[type="checkbox"]:disabled + .slider:before {
    opacity: 0;
}

/* Wrapper for the spinner to handle translation */
.spinner-wrapper {
    display: block;
    position: absolute;
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    transition: transform .4s;
}

/* Move wrapper when switch is checked */
input:checked + .slider .spinner-wrapper {
    transform: translateX(20px);
}
input:checked:disabled + .slider .spinner-wrapper {
    transform: translateX(20px);
}

/* The actual spinner for rotation */
.spinner {
    display: block;
    width: 100%;
    height: 100%;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}