body {
  font-family: Arial, sans-serif;
  background-color: #f7f7f7;
  color: #333;
  margin: 0;
  padding: 20px;
}

.container {
  max-width: 1100px;
  margin: auto;
}

h1 {
  text-align: center;
  margin-bottom: 20px;
}

.btn-adicionar {
  background-color: #007bff;
  color: white;
  padding: 10px 20px;
  font-size: 16px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  margin-bottom: 15px;
}

.btn-adicionar:hover {
  background-color: #0056b3;
}

.tabela-operacoes {
  width: 100%;
  border-collapse: collapse;
  background: white;
  box-shadow: 0 0 8px rgba(0,0,0,0.1);
}

.tabela-operacoes th,
.tabela-operacoes td {
  border: 1px solid #ccc;
  padding: 10px;
  text-align: center;
}

.tabela-operacoes th {
  background-color: #e6e6e6;
  font-weight: bold;
}

.icone-acao {
  cursor: pointer;
  margin: 0 5px;
  font-size: 18px;
}

.icone-acao:hover {
  color: #007bff;
}