:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}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;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}#root{max-width:800px;margin:0 auto;padding:2rem}.todo-container{background:#fff;border-radius:8px;padding:2rem;box-shadow:0 2px 8px #0000001a}.todo-form{display:flex;gap:1rem;margin-bottom:2rem}.todo-input{flex:1;padding:.5rem;font-size:1rem;border:1px solid #ddd;border-radius:4px;outline:none}.todo-input:focus{border-color:#646cff}.add-button{padding:.5rem 1rem;font-size:1rem;color:#fff;background-color:#646cff;border:none;border-radius:4px;cursor:pointer;transition:background-color .2s}.add-button:hover{background-color:#535bf2}.todo-list{list-style:none;padding:0;margin:0}.todo-item{display:flex;align-items:center;padding:1rem;border-bottom:1px solid #eee;gap:1rem}.todo-item:last-child{border-bottom:none}.todo-checkbox{width:1.2rem;height:1.2rem;cursor:pointer}.todo-text{flex:1;font-size:1rem}.todo-item.completed .todo-text{text-decoration:line-through;color:#888}.delete-button{padding:.4rem .8rem;font-size:.9rem;color:#fff;background-color:#ff4d4d;border:none;border-radius:4px;cursor:pointer;transition:background-color .2s}.delete-button:hover{background-color:#f33}