body { font-family: sans-serif; background: #fff; margin: 0; padding: 0; }
header { background: #1a4d1a; color: white; padding: 20px; text-align: center; }
main { padding: 20px; max-width: 800px; margin: auto; }
input, textarea, select { width: 100%; padding: 8px; margin: 5px 0; }
button { padding: 10px 15px; background: #2e8b57; color: white; border: none; cursor: pointer; }
button.logout { background: #a00; float: right; }
.aba { display: none; margin-top: 20px; }
table { width: 100%; border-collapse: collapse; margin-top: 10px; }
td, th { border: 1px solid #ccc; padding: 8px; }
nav { margin-bottom: 15px; }
.erro { color: red; display: none; }