/* General Styles */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #181818; /* Deep dark gray */
    color: #d4d4d4; /* Soft light gray for text */
    text-align: center;
}

header {
    background-color: #1e1e1e; /* Slightly lighter dark gray */
    color: #d4d4d4;
    padding: 20px;
    border-bottom: 2px solid #5e5e5e; /* Subtle gray highlight */
}

main {
    padding: 20px;
}

h1, h2 {
    margin: 10px 0;
    color: #ffffff; /* Bright white for headings */
}

/* Chart Section */
#chart-section {
    margin: 20px auto;
    max-width: 600px;
}

/* Table Styles */
#data-table {
    margin: 20px auto;
    border-collapse: collapse;
    width: 80%;
    background-color: #242424; /* Dark gray for table background */
    color: #d4d4d4; /* Light gray text */
    border-radius: 8px;
    overflow: hidden;
}

#data-table th, #data-table td {
    border: 1px solid #333333; /* Subtle dark border */
    padding: 12px 16px;
    text-align: left;
}

#data-table th {
    background-color: #333333; /* Slightly lighter dark gray for headers */
    color: #f0f0f0; /* Off-white text for headers */
    font-weight: bold;
    text-transform: uppercase;
}

#data-table tr:nth-child(even) {
    background-color: #2a2a2a; /* Slightly lighter for alternating rows */
}

#data-table tr:hover {
    background-color: #3a3a3a; /* Hover effect with medium gray */
    color: #ffffff; /* Bright white text on hover */
    cursor: pointer;
}

/* Footer */
footer {
    margin-top: 20px;
    font-size: 0.9em;
    color: #666666; /* Muted gray for footer text */
}