/*
20260319 ChatGPT
$Header$
*/

body {
    font-family: Arial, Helvetica, sans-serif;
    margin: 0;
    padding: 0;
    background: #f4f6f8;
    color: #222;
}

header,
footer {
    background: #1f2933;
    color: #fff;
    padding: 1rem 1.5rem;
}

header h1,
footer p {
    margin: 0;
}

.subtitle {
    margin-top: 0.5rem;
    color: #d9e2ec;
}

main {
    max-width: 1100px;
    margin: 1.5rem auto;
    padding: 0 1rem;
}

.card {
    background: #fff;
    border: 1px solid #d9e2ec;
    border-radius: 8px;
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0.5rem;
}

th,
td {
    border: 1px solid #cbd2d9;
    padding: 0.55rem 0.7rem;
    text-align: left;
    vertical-align: top;
}

th {
    background: #e9eff5;
}

.scenario-block {
    margin-bottom: 1.5rem;
}

.small-note {
    color: #52606d;
    font-size: 0.92rem;
}

.mono {
    font-family: "Courier New", Courier, monospace;
}