:root{font-family:Inter,Microsoft YaHei,sans-serif;color:#202124;background:#f4f5f2}*{box-sizing:border-box}body{margin:0;min-width:320px}main{width:min(680px,calc(100% - 32px));margin:9vh auto}header{border-bottom:2px solid #202124;padding-bottom:24px}.eyebrow{color:#087f5b;font-size:12px;font-weight:700}h1{margin:8px 0;font-size:42px;letter-spacing:0}.summary{margin:0;color:#666}form{display:flex;gap:10px;padding:28px 0 18px}form input{flex:1;min-width:0;padding:13px 14px;border:1px solid #bbb;border-radius:4px;font:inherit;background:#fff}button{border:0;border-radius:4px;padding:0 22px;background:#087f5b;color:#fff;font:inherit;font-weight:700;cursor:pointer}ul{list-style:none;padding:0;margin:0;border-top:1px solid #d6d8d3}li{min-height:58px;display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid #d6d8d3}label{display:flex;align-items:center;gap:12px;min-width:0;overflow-wrap:anywhere}label input{width:18px;height:18px;accent-color:#087f5b;flex:none}.done{color:#888;text-decoration:line-through}.delete{width:38px;height:38px;padding:0;background:transparent;color:#9b2c2c;font-size:25px}.empty{color:#777;padding:30px 0;text-align:center}.error{padding:12px;color:#8a1c1c;background:#fde8e8;border-radius:4px;cursor:pointer}@media (max-width: 480px){main{margin-top:40px}h1{font-size:34px}form{flex-direction:column}form button{height:44px}}