body { font: 16px system-ui, sans-serif; background: #f3f5f7; color: #182c3c; margin: 0; }
main { max-width: 1100px; margin: 30px auto; padding: 24px; background: white; border-radius: 12px; }
form { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; padding: 16px 0; }
label { display: grid; gap: 6px; }
input, select, button { font: inherit; padding: 9px; }
button { cursor: pointer; }
pre { white-space: pre-wrap; overflow-wrap: anywhere; max-height: 350px; overflow: auto; background: #f3f5f7; padding: 12px; }
li { padding: 8px; }
.toolbar { display: flex; gap: 16px; align-items: center; }
[hidden] { display: none !important; }