body {
    font-family: sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    background-color: #f4f4f4;
    color: #333;
}

.container {
    max-width: 800px;
    margin: auto;
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h1, h2 {
    color: #333;
}

label {
    display: block;
    margin-bottom: 5px;
}

input[type="file"],
select,
button {
    display: block;
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box; /* Ensures padding doesn't affect width */
}

.dataframe th, .dataframe td { 
    border: 1px solid #ddd; 
    padding: 8px; 
    text-align: left; 
    white-space: nowrap !important; 
    overflow: hidden !important; 
    text-overflow: ellipsis !important; 
    max-width: 180px !important; 
}

button {
    background-color: #5cb85c;
    color: white;
    border: none;
    cursor: pointer;
}

button:hover {
    background-color: #4cae4c;
}

#results {
    margin-top: 20px;
    padding: 15px;
    border: 1px solid #eee;
    background-color: #f9f9f9;
    border-radius: 4px;
}