/* Reset básico */
body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #4c4c4c, #2b2b2b);
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

/* Container principal */
.login-container {
    background-color: #333;
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    text-align: center;
    width: 100%;
    max-width: 400px;
}

/* Logo */
.logo {
    max-width: 200px;
    margin-bottom: 20px;
}

/* Título */
h1 {
    font-size: 24px;
    margin-bottom: 20px;
}

/* Mensagem de erro */
.error-message {
    color: #ff6b6b;
    font-size: 14px;
    margin-bottom: 20px;
}

/* Estilização dos campos do formulário */
.form-group {
    margin-bottom: 20px;
    text-align: left;
}

label {
    display: block;
    font-size: 14px;
    margin-bottom: 5px;
}

input {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 5px;
    font-size: 14px;
    background-color: #555;
    color: #fff;
    outline: none;
}

input::placeholder {
    color: #bbb;
}

/* Botão de envio */
.btn-submit {
    width: 100%;
    padding: 10px;
    font-size: 16px;
    background-color: #28a745;
    border: none;
    border-radius: 5px;
    color: #fff;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn-submit:hover {
    background-color: #218838;
}