body {
    background-color: #0d0d0d;
    color: white;
    font-family: Arial, sans-serif;
    text-align: center;
    margin: 0;
}
.container {
    width: 80%;
    margin: 20px auto;
    background: #1a1a1a;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 0 10px red;
}
.logo {
    width: 120px;
    margin-bottom: 10px;
}
.button {
    background-color: red;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 8px;
    cursor: pointer;
    margin: 5px;
    transition: 0.3s;
}
.button:hover { background-color: #b30000; }
.button-red { background-color: darkred; color: white; padding: 10px; border-radius: 8px; text-decoration: none; }
.button-red:hover { background-color: #ff3333; }
.login-container {
    margin-top: 80px;
    background: #1a1a1a;
    padding: 30px;
    border-radius: 10px;
    width: 350px;
    margin-left: auto;
    margin-right: auto;
    box-shadow: 0 0 10px red;
}
input[type="text"], input[type="password"], input[type="url"] {
    width: 80%;
    padding: 10px;
    border: none;
    border-radius: 5px;
    margin: 8px 0;
}
footer {
    margin-top: 20px;
    color: gray;
}
.erro {
    color: red;
    font-weight: bold;
}