Toggle Switch Button

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Toggle Switch</title>
    <style>
        /*
         Component: Accessible Toggle Switch
         Description: A CSS-only switch based on a semantic checkbox.
        */

:root {
            --toggle-width: 50px;
            --toggle-height: 28px;
            --toggle-padding: 3px;
            --toggle-bg-on: #007bff;
            --toggle-bg-off: #ccc;
            --toggle-handle-color: #fff;
            --toggle-focus-outline: #007bff;
        }

.toggle-switch-container-1 {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: #333;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            padding: 2rem;
        }

.toggle-checkbox-1 {
            /* Visually hide the checkbox but keep it accessible */
            opacity: 0;
            width: 0;
            height: 0;
            position: absolute;
        }

.toggle-label-1 {
            display: inline-block;
            width: var(--toggle-width);
            height: var(--toggle-height);
            background-color: var(--toggle-bg-off);
            border-radius: var(--toggle-height);
            cursor: pointer;
            position: relative;
            transition: background-color 0.2s ease-in-out;
        }

.toggle-label-1::after {
            /* This is the handle of the switch */
            content: '';
            position: absolute;
            top: var(--toggle-padding);
            left: var(--toggle-padding);
            width: calc(var(--toggle-height) - (var(--toggle-padding) * 2));
            height: calc(var(--toggle-height) - (var(--toggle-padding) * 2));
            background-color: var(--toggle-handle-color);
            border-radius: 50%;
            transition: transform 0.2s ease-in-out;
        }

/* --- State Changes --- */
        .toggle-checkbox-1:checked + .toggle-label-1 {
            background-color: var(--toggle-bg-on);
        }

.toggle-checkbox-1:checked + .toggle-label-1::after {
            transform: translateX(calc(var(--toggle-width) - var(--toggle-height)));
        }

/* --- Accessibility --- */
        .toggle-checkbox-1:focus-visible + .toggle-label-1 {
            outline: 2px solid var(--toggle-focus-outline);
            outline-offset: 3px;
        }
    </style>
</head>
<body>

<div class="toggle-switch-container-1">
        <label for="autoUpdates">Enable Auto-Updates</label>
        <div class="toggle-control">
             <input class="toggle-checkbox-1" type="checkbox" id="autoUpdates" role="switch" checked>
             <label class="toggle-label-1" for="autoUpdates"></label>
        </div>
    </div>

</body>
</html>