body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #222; 
    color: #eee;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    /*  */
    background-image: url('https://source.unsplash.com/1600x900/?coding,data,server,backend,developer');
    /* */
}

.container {
    background-color: rgba(0, 0, 0, 0.75); 
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.4); 
    text-align: center;
    max-width: 400px;
    width: 90%;
}

h1 {
    color: #00ffff; 
    margin-bottom: 30px;
    font-size: 1.8em;
}

.input-group {
    margin-bottom: 20px;
    text-align: left;
}

label {
    display: block;
    margin-bottom: 8px;
    color: #bbb;
    font-size: 1.1em;
}

input[type="email"], 
input[type="password"] {
    width: calc(100% - 20px);
    padding: 12px;
    border: 1px solid #00ffff;
    border-radius: 5px;
    background-color: #333;
    color: #fff;
    font-size: 1em;
    outline: none;
    box-shadow: 0 0 8px rgba(0, 255, 255, 0.3);
}

input[type="email"]:focus, 
input[type="password"]:focus {
    border-color: #00e6e6;
    box-shadow: 0 0 12px rgba(0, 255, 255, 0.6);
}

button {
    background-color: #00ffff;
    color: #000;
    padding: 12px 25px;
    border: none;
    border-radius: 5px;
    font-size: 1.1em;
    cursor: pointer;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
    font-weight: bold;
    text-transform: uppercase;
}

button:hover {
    background-color: #00e6e6;
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.8);
}

.error {
    color: #ff4d4d; 
    margin-top: 20px;
    font-weight: bold;
}

.success {
    color: #4CAF50; 
    margin-top: 20px;
    font-weight: bold;
}
.error {
    color: red;
    font-weight: bold;
    
    /* background-image: url('caminho/para/icone-err.png'); */
    /* background-repeat: no-repeat; */
    /* padding-left: 25px; */
}

.success {
    color: green;
    font-weight: bold;
    /* background-image: url('sucesso.png'); */
    /* background-repeat: no-repeat; */
    /* padding-left: 25px; */
}