/* Allgemeines Styling */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    height: 100vh;
    background: url('images/loginscreen.png') no-repeat center center fixed;
    background-size: cover;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Login Container */
.login-container {
    background-color: rgba(0, 0, 0, 0.6);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    text-align: center;
    width: 100%;
    max-width: 400px;
}

/* Titel */
h1 {
    color: white;
    margin-bottom: 20px;
    font-size: 28px;
    font-weight: bold;
}

/* Eingabefelder */
.input-group {
    margin: 15px 0;
}

.input-group label {
    display: block;
    color: white;
    font-weight: bold;
    margin-bottom: 5px;
}

.input-group input {
    width: 100%;
    padding: 10px;
    border-radius: 5px;
    border: none;
    font-size: 16px;
    box-sizing: border-box;
}

/* Button */
.btn {
    padding: 10px 20px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    width: 100%;
}

.btn:hover {
    background-color: #45a049;
}

/* Fehlermeldung */
.error-message {
    color: red;
    margin-bottom: 15px;
    font-weight: bold;
    display: none;
}