/* Fundo geral */
body{
  margin:0;
  padding:0;
  background: linear-gradient(180deg, #4da3ff 0%, #bfe0ff 100%);
  font-family: Verdana, Arial, sans-serif;
}

/* Card central */
.container{
  width: 850px;
  margin: 40px auto;
  background: white;
  border: 3px solid #003399;
  box-shadow: 0px 0px 15px rgba(0,0,0,0.2);
  padding: 20px;
  border-radius: 6px;
}

/* Título principal */
h1{
  color: #003399;
  margin-top: 0;
  border-bottom: 3px solid #009900;
  padding-bottom: 8px;
}

/* Subtítulos */
h2{
  color: #009900;
}

/* Navegação */
nav{
  margin-bottom: 15px;
}

nav a{
  color: #003399;
  font-weight: bold;
  text-decoration: none;
  margin-right: 15px;
}

nav a:hover{
  color: #cc0000;
}

/* Postagens */
.post{
  border: 2px solid #003399;
  padding: 10px;
  margin-bottom: 12px;
  background: #f4f9ff;
  border-radius: 4px;
}

.post h3{
  margin: 0 0 5px 0;
  color: #003399;
}

/* Botões */
button{
  background: #cc0000;
  color: white;
  border: 2px solid #990000;
  padding: 6px 12px;
  cursor: pointer;
  font-weight: bold;
  border-radius: 4px;
}

button:hover{
  background: #009900;
  border-color: #006600;
}

/* Inputs */
input, textarea{
  border: 2px solid #003399;
  padding: 6px;
  font-family: Verdana;
  border-radius: 4px;
}

textarea{
  resize: none;
}

/* Perfil */
.perfil-card{
  border: 2px solid #009900;
  padding: 10px;
  border-radius: 4px;
}