body {
    background-image: url("/assets/img/papelFundo.png");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    margin: 0;
    padding: 0;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Card central */
.login-card {
    background: white;
    width: 70%;
    max-width: 580px;
    border-radius: 12px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
    padding: 40px;
}

/* Container interno */
.containerLogin {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

/* Logo */
.logo {
    flex-shrink: 0;
}

.logo img {
    width: 100%;
    max-width: 220px;
    height: auto;
    display: block;
}

/* Formulário */
form {
    width: 100%;
    max-width: 300px;
}

/* ── Responsividade ── */
@media (max-width: 640px) {
    .login-card {
        padding: 32px 24px;
    }

    .containerLogin {
        flex-direction: column;
        align-items: center;
        gap: 28px;
    }

    .logo img {
        max-width: 160px;
    }

    form {
        max-width: 100%;
    }
}

@media (max-width: 400px) {
    .login-card {
        padding: 24px 16px;
    }
}

/* Campos */
.formLogin {
    margin-bottom: 20px;
}

.form-label {
    font-size: 14px;
    font-weight: 600;
    color: #555;
}

.form-control {
    border-radius: 6px;
    border: 1px solid #ccc;
    padding: 8px 10px;
    font-size: 14px;
}

.form-control:focus {
    border-color: #163C25;
    box-shadow: 0 0 0 0.2rem rgba(247,197,110,0.3);
}

.btn-custom {
    background-color: #163C25;
    color: white;
    border-radius: 6px;
    font-weight: 600;
    padding: 8px;
    transition: 0.3s ease;
}

.btn-custom:hover {
    background-color: #3A5A40;
    color: black;
}

.alert-top {
    position: fixed;        
    top: 20px;              
    left: 50%;
    transform: translateX(-50%);
    
    background-color: #ff4d4d;
    color: white;
    
    padding: 12px 25px;
    border-radius: 8px;
    
    font-weight: 500;
    text-align: center;
    
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    
    z-index: 9999;         
}