body { font-family: Arial, sans-serif; margin: 20px; max-width: 960px; }
h1 { margin-bottom: 6px; }
.muted { color: #666; font-size: 14px; margin-bottom: 18px; }
.row { display: flex; gap: 10px; align-items: center; margin: 8px 0; flex-wrap: wrap; }
label { min-width: 170px; font-weight: 600; }
input, select, button { padding: 8px; font-size: 14px; }
input[type=text] { width: 560px; max-width: 100%; }
button { cursor: pointer; }
.actions { margin-top: 14px; display: flex; gap: 10px; }
.panel { border: 1px solid #ddd; border-radius: 8px; padding: 14px; margin-top: 14px; }
pre { background: #f6f8fa; padding: 12px; border-radius: 6px; overflow: auto; }