body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 20px;
}
.container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
h1 {
    text-align: center;
    color: #333;
}
.input-section label {
    display: block;
    margin: 10px 0 5px;
}
.input-section input, .input-section select {
    width: 100%;
    padding: 8px;
    margin-bottom: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}
.table-section {
    margin: 20px 0;
}
table {
    width: 100%;
    border-collapse: collapse;
}
th, td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}
th {
    background-color: #f2f2f2;
}
select, textarea {
    width: 100%;
    padding: 5px;
    border: 1px solid #ddd;
    border-radius: 4px;
}
.button-section {
    text-align: center;
    margin: 20px 0;
}
button {
    padding: 10px 20px;
    margin: 0 10px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}
button:hover {
    background-color: #45a049;
}
.result-section {
    margin-top: 20px;
    padding: 15px;
    background-color: #e8f5e9;
    border-radius: 4px;
    display: none;
}
.progress-bar {
    width: 100%;
    height: 20px;
    background-color: #ddd;
    border-radius: 10px;
    overflow: hidden;
}
.progress {
    height: 100%;
    background-color: #4CAF50;
    text-align: right;
    color: white;
    padding-right: 10px;
    transition: width 0.3s ease;
}