:root{font-family: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}}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:#f2f2f2}.app-container{max-width:700px;margin:40px auto;background:#fff;padding:30px;border-radius:12px;box-shadow:0 4px 12px #0000001a}h1{text-align:center;margin-bottom:20px}form{display:flex;gap:10px;margin-bottom:20px}form input{flex:1;padding:10px;border:1px solid #ccc;border-radius:8px}form button{padding:10px 20px;background:#007bff;border:none;color:#fff;border-radius:8px;cursor:pointer}form button:hover{background:#005ad3}.task-item{background:#fafafa;margin-bottom:10px;padding:12px;border-radius:8px;display:flex;align-items:center;justify-content:space-between;border:1px solid #e5e5e5}.task-left{display:flex;align-items:center;gap:10px}.task-title.completed{text-decoration:line-through;color:#777}.delete-btn{background:#ff4d4f;border:none;padding:8px 12px;border-radius:8px;color:#fff;cursor:pointer}.delete-btn:hover{background:#c00}body{font-family:Arial,Helvetica,sans-serif;background:#f4f6f9;margin:0;padding:0;color:#333}.container{max-width:600px;margin:40px auto;background:#fff;padding:30px;border-radius:10px;box-shadow:0 4px 15px #0000001a}h1{text-align:center;margin-bottom:20px;color:#2d3e50}.task-form{display:flex;gap:10px}.task-input{flex:1;padding:10px;border:1px solid #bbb;border-radius:6px;font-size:16px}.add-btn{padding:10px 16px;background-color:#3498db;border:none;color:#fff;border-radius:6px;cursor:pointer;font-size:15px}.add-btn:hover{background-color:#217dbb}.task-item{display:flex;align-items:center;justify-content:space-between;background:#fafafa;padding:12px;margin:8px 0;border-radius:6px;border:1px solid #e2e2e2}.task-item span{flex:1;margin-left:10px;font-size:16px}.done{text-decoration:line-through;color:#888}.delete-btn{background:#e74c3c;color:#fff;border:none;padding:6px 10px;border-radius:5px;cursor:pointer}.delete-btn:hover{background:#c0392b}