body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background-color: #f4f4f4;
}

.container {
    max-width: 1200px;
    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;
}

form {
    margin-bottom: 20px;
    text-align: center;
}

input[type="file"] {
    margin: 10px 0;
}

button {
    padding: 10px 20px;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

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

a {
    display: inline-block;
    margin: 10px 0;
    color: #007bff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.charts {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}

canvas {
    max-width: 48%;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th, td {
    padding: 10px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background-color: #007bff;
    color: white;
}

tr:hover {
    background-color: #f5f5f5;
}