body {
    font-family: Courier, monospace;   /* ✅ changed to Courier */
    background: linear-gradient(to right, #e0f7fa, #f1f8e9);
    margin: 0;
    padding: 13px;
    color: #333;
}

h1 {
    font-family: Courier, monospace;   /* ✅ headings use Courier */
    font-size: 2rem;
    font-weight: 600;
    color: #2e7d32;
    margin-bottom: 10px;
    text-align: center;
}

h3 {
    font-family: Courier, monospace;   /* ✅ subheadings use Courier */
    font-size: 1.2rem;
    font-weight: 500;
    color: #388e3c;
    margin-top: 30px;
    margin-bottom: 10px;
}

table.db-table th {
    font-family: Courier, monospace;   /* ✅ table headers use Courier */
    background: #4caf50;
    color: white;
    text-align: left;   /* ✅ headings left aligned */
    padding: 10px;
    font-size: 0.95rem;
    font-weight: 600;
}

table.db-table td {
    font-family: Courier, monospace;   /* ✅ table data uses Courier */
    padding: 10px;
    border-top: 1px solid #ddd;
    font-size: 0.9rem;
}
canvas {
    margin: 20px auto;
    display: block;
    max-width: 600px;   /* ✅ reduced from 900px */
    height: 300px;      /* ✅ fixed height so they don’t stretch */
}