body {
    font-family: sans-serif;
    background-color: #f0f0f0;
    color: #333;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    background-color: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    max-width: 500px;
    width: 100%;
}

h1 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: #c0392b;
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

input[type="url"],
input[type="number"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

button[type="submit"] {
    background-color: #c0392b;
    color: #fff;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
    font-size: 1rem;
}

button[type="submit"]:hover {
    background-color: #a03022;
}

.hidden {
    display: none;
}

#progress-container {
    margin-top: 2rem;
}

.progress-bar {
    background-color: #eee;
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-fill {
    background-color: #c0392b;
    height: 20px;
    width: 0%;
    transition: width 0.5s ease-in-out;
}