body {
    font-family: Arial, sans-serif;
    margin: 24px;
    background: #f8f9fb;
    color: #1f2937;
}

.card {
    background: #fff;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    padding: 16px;
    max-width: 760px;
}

.row {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.row--top-space {
    margin-top: 12px;
}

button {
    padding: 8px 12px;
    border: 1px solid #1d4ed8;
    background: #2563eb;
    color: #fff;
    border-radius: 6px;
    cursor: pointer;
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

ul {
    padding-left: 18px;
}

code {
    background: #eef2ff;
    padding: 2px 6px;
    border-radius: 4px;
}

.small {
    color: #4b5563;
    font-size: 14px;
}