.zedai-app{max-width:500px;margin:2rem auto;padding:2rem;border-radius:8px;background:#f9f9f9;box-shadow:0 2px 8px #0000001a}h1{text-align:center}form{display:flex;gap:1rem;margin-bottom:1rem}input[type=text]{flex:1;padding:.5rem;border-radius:4px;border:1px solid #ccc}button{padding:.5rem 1rem;border-radius:4px;border:none;background:#007bff;color:#fff;cursor:pointer}ul{list-style:none;padding:0}li{margin-bottom:1rem;background:#fff;padding:1rem;border-radius:4px;box-shadow:0 1px 4px #0000000d}