/* Reset e base */
html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  background-color: #f9f9f9;
  color: #333;
  box-sizing: border-box;
}

/* Body como flex container, coluna */
body {
  display: flex;
  flex-direction: column;
  height: 100vh; /* altura total da viewport */
  padding: 10px 20px;
}

/* Título no topo, fixo */
h1 {
  margin: 0 0 15px 0;
  color: #2c3e50;
  flex-shrink: 0;
}

/* Formulário fixo abaixo do título */
form#formUsuario {
  background-color: #fff;
  border: 1px solid #ccc;
  padding: 20px;
  margin-bottom: 15px;
  border-radius: 8px;
  width: 100%;
  max-width: 600px;
  box-sizing: border-box;
  flex-shrink: 0;
}

/* Labels e inputs */
form#formUsuario label {
  display: block;
  margin-top: 10px;
  font-weight: bold;
}

form#formUsuario input,
form#formUsuario select {
  width: 100%;
  padding: 8px;
  margin-top: 4px;
  margin-bottom: 10px;
  border-radius: 4px;
  border: 1px solid #ccc;
  box-sizing: border-box;
}

/* Botão salvar */
form#formUsuario button {
  background-color: #3498db;
  color: #fff;
  padding: 10px 16px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

form#formUsuario button:hover {
  background-color: #2980b9;
}

/* Container da tabela deve crescer e rolar */
#tabelaContainer {
  flex-grow: 1; /* ocupa o espaço restante */
  overflow-y: auto;
  background-color: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
}

/* Tabela ocupando 100% da largura */
table#tabelaUsuarios {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px; /* evita encolher demais */
}

/* Células */
table#tabelaUsuarios th,
table#tabelaUsuarios td {
  border: 1px solid #ddd;
  padding: 10px;
  text-align: left;
  word-wrap: break-word;
}

/* Cabeçalho */
table#tabelaUsuarios th {
  background-color: #f2f2f2;
  color: #444;
}

/* Linha hover */
table#tabelaUsuarios tr:hover {
  background-color: #f1f1f1;
}

/* Botões de ação */
table#tabelaUsuarios button {
  padding: 6px 10px;
  margin-right: 5px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

table#tabelaUsuarios button.editar {
  background-color: #f39c12;
  color: #fff;  
}

table#tabelaUsuarios button.excluir {
  background-color: #e74c3c;
  color: #fff;
}