body {
    font-family: Arial, sans-serif;
    background-color: #2c3e50;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

.error-message {
    color: #e74c3c;
    text-align: center;
    margin-top: 1em;
}

.login-container {
    background-color: #34495e;
    padding: 2em;
    border-radius: 5px;
    box-shadow: 0px 0px 10px 0px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 300px;
}

.input-container {
    margin-bottom: 1em;
}

input {
    width: 100%;
    padding: 10px;
    box-sizing: border-box;
    border-radius: 5px;
    border: 1px solid #2980b9;
    background-color: #2c3e50;
    color: white;
}

input:focus {
    outline: none;
    box-shadow: 0 0 5px rgba(81, 203, 238, 1);
}

button {
    width: 100%;
    padding: 10px;
    background-color: #2980b9;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #3498db;
}

p#message {
    color: #e74c3c;
    text-align: center;
    margin-top: 1em;
}