body {
    font-family: Arial, sans-serif;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #121212; /* Dark background */
    color: #ffffff; /* Light text color */
}

.container {
    background-color: #1e1e1e; /* Dark container background */
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3); /* Softer shadow for dark mode */
    text-align: center;
}

h1 {
    color: #ffffff; /* Light heading color */
    margin-bottom: 20px;
}

.input-group {
    display: flex;
    margin-bottom: 20px;
}

.url-input {
    padding: 10px;
    border: 1px solid #555; /* Darker border for input */
    border-radius: 4px 0 0 4px;
    flex-grow: 1;
    background-color: #333; /* Dark input background */
    color: #ffffff; /* Light input text color */
}

.url-input::placeholder {
    color: #ccc; /* Lighter placeholder text */
}

.generate-button {
    padding: 10px 20px;
    background-color: #007bff; /* Keep button color */
    color: white;
    border: none;
    border-radius: 0 4px 4px 0;
    cursor: pointer;
}

.generate-button:hover {
    background-color: #0056b3; /* Darken button on hover */
}

.results-area {
    padding: 20px;
    border: 1px solid #555; /* Darker border for results */
    border-radius: 4px;
    background-color: #333; /* Dark results area background */
    color: #ffffff; /* Light results text color */
    text-align: left;
}

.results-area p {
    margin-top: 0;
}

.results-area strong {
    font-weight: bold;
    color: #eee; /* Slightly lighter strong text */
}