'use client'import React from 'react';import { BarChart3, TrendingUp, AlertCircle, Sigma } from 'lucide-react';import { motion } from 'motion/react';import { clsx, type ClassValue } from "clsx"import { twMerge } from "tailwind-merge"import { ResponsiveContainer, BarChart, Bar, XAxis, Tooltip, Cell, ReferenceLine } from 'recharts';function cn(...inputs: ClassValue[]) {   return twMerge(clsx(inputs))}interface DistributionData {   range: string;   count: number;   [key: string]: any;}interface PredictionDistCardProps {   className?: string;   title?: string;   skewLabel?: string;   sampleCount?: string;   data?: DistributionData[];   meanValue?: string;   medianValue?: string;   lowConfValue?: string;}const DEFAULT_DATA: DistributionData[] = [   { range: '0-0.2', count: 50 },   { range: '0.2-0.4', count: 120 },   { range: '0.4-0.6', count: 300 },   { range: '0.6-0.8', count: 850 },   { range: '0.8-1.0', count: 1200 },];const DEFAULT_TITLE = "Predictions";const DEFAULT_SKEW_LABEL = "SKEW: -0.42";const DEFAULT_SAMPLE_COUNT = "2.5k Samples";const DEFAULT_MEAN_VALUE = "0.82";const DEFAULT_MEDIAN_VALUE = "0.85";const DEFAULT_LOW_CONF_VALUE = "5.2%";export const PredictionDistCard: React.FC<PredictionDistCardProps> = ({   className = "",   title = DEFAULT_TITLE,   skewLabel = DEFAULT_SKEW_LABEL,   sampleCount = DEFAULT_SAMPLE_COUNT,   data = DEFAULT_DATA,   meanValue = DEFAULT_MEAN_VALUE,   medianValue = DEFAULT_MEDIAN_VALUE,   lowConfValue = DEFAULT_LOW_CONF_VALUE,}) => {   return (      <motion.div         initial={{ opacity: 0, y: 20 }}         animate={{ opacity: 1, y: 0 }}         transition={{ duration: 0.5, delay: 0.2 }}         className={cn(            "relative overflow-hidden rounded-2xl border border-border bg-card text-card-foreground shadow-sm transition-all hover:border-cyan-300 dark:hover:border-cyan-700 hover:shadow-md flex flex-col h-full",            className         )}      >         <div className="p-5 flex flex-col h-full relative z-10">            <div className="flex items-start justify-between mb-2">               <div>                  <h3 className="font-bold text-lg text-foreground">                     {title}                  </h3>                  <div className="flex items-center gap-2 mt-1">                     <div className="px-2 py-0.5 rounded-full bg-cyan-50 dark:bg-cyan-900/20 border border-cyan-100 dark:border-cyan-800 text-[10px] font-bold text-cyan-600 dark:text-cyan-400">                        {skewLabel}                     </div>                     <span className="text-xs text-muted-foreground">{sampleCount}</span>                  </div>               </div>               <div className="rounded-lg border-2 border-cyan-100 dark:border-cyan-800 p-2 text-cyan-500 dark:text-cyan-400 flex items-center justify-center">                  <BarChart3 className="h-5 w-5" />               </div>            </div>            <div className="flex-1 w-full min-h-[100px] relative mt-2">               <ResponsiveContainer width="100%" height="100%">                  <BarChart data={data}>                     <XAxis                        dataKey="range"                        axisLine={false}                        tickLine={false}                        tick={{ fontSize: 9, fill: '#71717a' }}                        interval={0}                     />                     <Tooltip                        cursor={{ fill: 'transparent' }}                        content={({ active, payload }) => {                           if (active && payload && payload.length) {                              return (                                 <div className="rounded-lg border border-zinc-200 dark:border-zinc-700 bg-white dark:bg-zinc-800 p-2 shadow-sm text-xs">                                    <span className="font-bold text-cyan-600 dark:text-cyan-400">                                       {payload[0].payload.range}:                                    </span> {payload[0].value} samples                                 </div>                              );                           }                           return null;                        }}                     />                     <ReferenceLine x="0.8-1.0" stroke="#f43f5e" strokeDasharray="3 3" label={{ value: 'Mean', position: 'top', fontSize: 10, fill: '#f43f5e' }} />                     <Bar dataKey="count" radius={[4, 4, 0, 0]}>                        {data.map((entry, index) => (                           <Cell key={`cell-${index}`} fill={index > 3 ? '#06b6d4' : '#e4e4e7'} />                        ))}                     </Bar>                  </BarChart>               </ResponsiveContainer>            </div>            <div className="grid grid-cols-3 gap-2 mt-4 pt-4 border-t border-border">               <div className="text-center">                  <div className="text-[10px] text-muted-foreground font-medium mb-0.5 flex items-center justify-center gap-1"><Sigma className="w-3 h-3" /> Mean</div>                  <div className="text-sm font-bold text-foreground">{meanValue}</div>               </div>               <div className="text-center border-l border-r border-border">                  <div className="text-[10px] text-muted-foreground font-medium mb-0.5 flex items-center justify-center gap-1"><TrendingUp className="w-3 h-3" /> Median</div>                  <div className="text-sm font-bold text-foreground">{medianValue}</div>               </div>               <div className="text-center">                  <div className="text-[10px] text-muted-foreground font-medium mb-0.5 flex items-center justify-center gap-1"><AlertCircle className="w-3 h-3" /> Low Conf</div>                  <div className="text-sm font-bold text-foreground">{lowConfValue}</div>               </div>            </div>            <div className="absolute -bottom-4 -right-4 z-0 opacity-5 pointer-events-none">               <BarChart3 className="w-40 h-40 text-cyan-500" />            </div>         </div>      </motion.div>   );};