body {
    font-family: 'Segoe UI', Arial, Helvetica, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: #1a1a1a;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
}

h1 { color: #1a237e; border-bottom: 3px solid #1a237e; padding-bottom: 8px; }
h2 { color: #283593; border-bottom: 2px solid #c5cae9; padding-bottom: 6px; margin-top: 30px; }
h3 { color: #3949ab; margin-top: 20px; }

table {
    border-collapse: collapse;
    width: 100%;
    margin: 16px 0;
    font-size: 13px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.12);
}

thead tr {
    background-color: #283593;
    color: #ffffff;
    font-weight: bold;
}

th {
    border: 1px solid #1a237e;
    padding: 10px 12px;
    text-align: left;
}

td {
    border: 1px solid #c5cae9;
    padding: 8px 12px;
    text-align: left;
}

tbody tr:nth-child(odd) {
    background-color: #e8eaf6;
}

tbody tr:nth-child(even) {
    background-color: #ffffff;
}

tbody tr:hover {
    background-color: #c5cae9;
}

/* Bold first column in tables */
td:first-child {
    font-weight: 600;
    color: #1a237e;
}

code {
    background-color: #f5f5f5;
    border: 1px solid #e0e0e0;
    border-radius: 3px;
    padding: 1px 5px;
    font-size: 12px;
}

pre {
    background-color: #263238;
    color: #eeffff;
    border-radius: 6px;
    padding: 14px;
    overflow-x: auto;
    font-size: 12px;
    line-height: 1.5;
}

pre code {
    background: none;
    border: none;
    color: inherit;
    padding: 0;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 16px auto;
    border-radius: 4px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

blockquote {
    border-left: 4px solid #283593;
    background-color: #e8eaf6;
    padding: 10px 16px;
    margin: 16px 0;
}

strong { color: #1a237e; }

ul, ol { margin: 8px 0; }
li { margin: 4px 0; }