:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light;color:#213547;background-color:#fff;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}[data-theme=dark]{color:#ffffffde;background-color:#242424}[data-theme=dark] button{background-color:#2a2a2a}[data-theme=dark] button:hover{background-color:#3a3a3a}[data-theme=dark] input,[data-theme=dark] select{background-color:#1a1a1a;color:#fff;border-color:#444}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;color:#fff;cursor:pointer;transition:border-color .25s;margin:0 5px}button:hover{border-color:#646cff;background-color:#2a2a2a}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}input,select{padding:.5em;margin:0 5px;border-radius:4px;border:1px solid #ccc;font-size:1em}label{margin-right:5px;font-weight:500}.theme-toggle{position:fixed;top:20px;right:20px;z-index:1000}.switch{position:relative;display:inline-block;width:60px;height:34px}.switch input{opacity:0;width:0;height:0}.slider{position:absolute;cursor:pointer;inset:0;background-color:#ccc;transition:.4s;border-radius:34px}.slider:before{position:absolute;content:"☀️";height:26px;width:26px;left:4px;bottom:4px;background-color:#fff;transition:.4s;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:16px}input:checked+.slider{background-color:#646cff}input:checked+.slider:before{content:"🌙";transform:translate(26px)}