body {
    font-family: Arial, sans-serif;
    background-color: #f8f9fa;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 800px;
    margin: 50px auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 5px;
}

h1 {
    text-align: center;
    color: #333;
}

h2 {
    margin-bottom: 10px;
    color: #333;
}

form {
    margin-bottom: 20px;
}

input[type="text"],
input[type="number"],
textarea {
    width: calc(100% - 22px);
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

textarea {
    height: 100px;
}

.form-row {
    display: flex;
    justify-content: space-between;
}

.form-group {
    width: calc(50% - 11px);
}

button {
    width: 100%;
    padding: 10px;
    background-color: #007BFF;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background-color: #0056b3;
}

#download-button {
    background-color: #28a745;
    margin-bottom: 20px;
}

#download-button:hover {
    background-color: #218838;
}

#results {
    margin-top: 20px;
}

.item {
    padding: 10px;
    border-bottom: 1px solid #ccc;
}

.item h3 {
    margin: 0;
    font-size: 18px;
}

.item p {
    margin: 5px 0 0;
    color: #555;
}

#overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    flex-direction: column;
}
#throbber {
    border: 16px solid #f3f3f3;
    border-radius: 50%;
    border-top: 16px solid #007BFF;
    width: 120px;
    height: 120px;
    animation: spin 2s linear infinite;
}

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

#current-item {
    margin-top: 20px;
    font-size: 18px;
    color: #333;
}

#progress-container {
    background: #fff;
    padding: 20px;
    border-radius: 5px;
    text-align: center;
}

#progress-bar {
    width: 100%;
    background: #ccc;
    border-radius: 5px;
    overflow: hidden;
    margin-top: 10px;
}

#progress-fill {
    width: 0;
    height: 20px;
    background: #007BFF;
}

#pagination-top,
#pagination-bottom {
    margin-top: 20px;
    text-align: center;
}

.page-button {
    padding: 10px;
    margin: 5px;
    background-color: #007BFF;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.page-button:hover {
    background-color: #0056b3;
}

.page-button.active {
    background-color: #0056b3;
}