body {
    font-family: 'Roboto', sans-serif;
    display: flex;
    flex-direction: column;  /* Changed to column to accommodate footer */
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #121212;
    color: #e0e0e0;
    position: relative;
}

.container {
    background-color: #1e1e1e;
    padding: 2em;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.5);
    text-align: center;
    max-width: 400px;
    width: 100%;
    position: relative;
    z-index: 1; /* Ensure it is above the body blur */
}

h1 {
    margin-bottom: 1em;
    color: #ffffff;
}

input[type="text"] {
    width: calc(100% - 2em);
    padding: 0.75em;
    margin-bottom: 1em;
    border: 1px solid #333;
    border-radius: 5px;
    font-size: 1em;
    background-color: #333;
    color: #e0e0e0;
}

input[type="submit"] {
    background-color: #007bff;
    color: white;
    padding: 0.75em 1.5em;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1em;
}

input[type="submit"]:hover {
    background-color: #0056b3;
}

input[type="submit"]:disabled {
    background-color: #0056b3;
    cursor: not-allowed;
}

.loader {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 2s linear infinite;
    position: fixed; /* Changed to fixed to stay on top */
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: none;
    z-index: 1000; /* Higher z-index to stay on top */
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

#errorMessage {
    color: red;
    display: none;
    margin-top: 1em;
    padding: 0.5em;  /* Add padding to the error message */
}

body.loading .container {
    filter: blur(5px);
}

body.loading .loader {
    display: block;
}

footer {
    position: absolute;
    bottom: 10px;
    left: 10px;
    font-size: 0.9em;
    color: #888;
}