/* Reset básico */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Arial", sans-serif;
}

/* Fundo geral da página */
body {
  background-color: #e9e9e9; /* cinza claro */
  display: flex;
  justify-content: center;
  padding: 20px 0;
}

/* Container principal */
.container {
  max-width: 1000px;
  margin: 0 auto;
  background-color: #fff;
  border: 1px solid #ccc;
  box-shadow: 0 0 5px rgba(0,0,0,0.1);
}

/* Cabeçalho superior (fundo azul) */
header {
  background-color: #2c4d87;
  color: white;
  padding: 6px 20px;
  font-size: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Linha logo e sistema */
.top-bar {
  background-color: #f5f5f5;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #ccc;
}

.top-bar .logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.top-bar .logo img {
  height: 30px;
}

.top-bar .titulo-sistema {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.top-bar .titulo-sistema .nome {
  font-size: 20px;
  font-weight: bold;
  color: #3a3a3a;
}

.top-bar .titulo-sistema .descricao {
  font-size: 14px;
  color: #555;
}

/* Botão de login no topo direito */
.login-btn {
  background-color: #fff5e5;
  border: 1px solid #e0c7a2;
  border-radius: 10px;
  padding: 8px 15px;
  font-size: 13px;
  color: #8b5e2a;
  text-decoration: none;
  box-shadow: inset 0 1px 1px #fff;
}

.login-btn:hover {
  background-color: #fde6c8;
}

/* Área principal */
main {
  display: flex;
  background-color: #f9f9f9;
  min-height: 500px;
}

/* Menu lateral */
aside {
  width: 200px;
  background-color: #f3f3f3;
  border-right: 1px solid #ccc;
}

aside ul {
  list-style: none;
}

aside ul li a {
  display: block;
  padding: 10px 15px;
  text-decoration: none;
  color: #333;
  border-bottom: 1px solid #ddd;
}

aside ul li a:hover,
aside ul li.active a {
  background-color: #445b93;
  color: white;
}

/* Conteúdo principal */
section.conteudo {
  flex: 1;
  background-color: white;
  padding: 20px;
}

section.conteudo h2 {
  font-size: 16px;
  color: #333;
  margin-bottom: 10px;
}

.conteudo .box {
  border: 1px solid #ddd;
  padding: 20px;
  min-height: 300px;
}

/* Rodapé */
footer {
  background-color: #2c4d87;
  color: white;
  text-align: center;
  font-size: 12px;
  padding: 8px;
}