body {
    font-family: sans-serif;
    margin: 2rem;
    background-color: #f5f5f5;
}
table {
    border-collapse: collapse;
    margin-bottom: 2rem;
}
table, th, td {
    border: 1px solid #ccc;
}
th, td {
    padding: 0.5rem 1rem;
}
table:first-of-type {
    background-color: #f0f8ff;
    font-weight: bold;
}
.delta-red {
    background-color: #ffcccc; /* light red */
    color: #900;
}
.delta-orange {
    background-color: #ffe5cc; /* light orange */
    color: #b35c00;
}
.delta-yellow {
    background-color: #ffff00; /* light yellow */
    color: #000000;
}
.delta-green {
    background-color: #ccffcc; /* light green */
    color: #006600;
}
.delta-blue {
    background-color: #cce5ff; /* light blue */
    color: #004080;
}
.delta-black {
    background-color: #000000; /* black */
    color: #ff0000;
}

/* Drill-down link styles */
.metric-link {
    color: #0066cc;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
}

.metric-link:hover {
    color: #004499;
    text-decoration: underline;
    background-color: rgba(0, 102, 204, 0.1);
    padding: 2px 4px;
    border-radius: 3px;
}

/* Visual indicator for clickable metrics */
td .metric-link:after {
    content: " 🔗";
    font-size: 0.8em;
    opacity: 0.6;
}

td .metric-link:hover:after {
    opacity: 1;
}