body {
    margin:0;
    font-family: Arial;
    background-color: #121212;
    color: white;
}
input, select, textarea {
    width: 100%;
    padding: 10px;
    margin:5px 0;
    border-radius: 8px;
    border: none;
}
button {
    width:100%;
    background:#ff0000;
    color:white;
    padding:10px;
    border:none;
    border-radius:8px;
    cursor:pointer;
}
button:hover {
    background:#c10000;
}
h2 {
    text-align:center;
    color:#ff0000;
}
.form-container, .login-container, .painel-container {
    background: #1e1e1e;
    max-width:400px;
    margin:50px auto;
    padding:20px;
    border-radius:10px;
    box-shadow: 0 0 10px #ff0000;
}
textarea {
    height:80px;
}
table {
    width:100%;
    border-collapse:collapse;
    margin-top:20px;
}
table th, table td {
    border:1px solid #444;
    padding:8px;
    text-align:center;
}
.btn-sair {
    background:#555;
    color:white;
    padding:5px 10px;
    text-decoration:none;
    border-radius:5px;
}
.btn-excluir {
    background:#ff0000;
    color:white;
    padding:5px 10px;
    text-decoration:none;
    border-radius:5px;
}