body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#111827;color:#f3f4f6;line-height:1.5}select{background:#1f2937;border:1px solid #374151;color:#f3f4f6;padding:8px 16px;border-radius:8px;margin-left:12px}button{border:#111827 1px solid;background:#111827;color:#9ca3af;padding:8px 16px;border-radius:8px;cursor:pointer}button:hover{background:#1f2937;color:#f3f4f6}button.selected{background:#1f2937}