body{font-family:Arial;margin:0;background:#f4f4f4}
.topo{background:white;padding:10px;text-align:center}
.menu{display:flex;gap:6px;padding:10px;background:white;border-bottom:1px solid #ddd}
.menu button{padding:8px 12px;background:#f1f1f1;border:1px solid #ccc;border-radius:8px}
.aba{display:none;padding:20px}
.aba.ativa{display:block}
input,select{display:block;margin:6px 0;padding:8px;border-radius:6px;border:1px solid #ccc}
button{padding:8px 12px;margin:6px 0;border:none;background:#2c6be0;color:white;border-radius:8px}
li{list-style:none;padding:4px;border-bottom:1px solid #ddd}