feat: HistoryPage + SettingsPage — white + blue theme

frontend/src/pages/HistoryPage.tsx

@@ -1,66 +1,63 @@
-import React, { useState, useEffect } from 'react';
+import { useState, useEffect } from 'react';
 
 export function HistoryPage() {
   const [history, setHistory] = useState<any[]>([]);
   const [selected, setSelected] = useState<any>(null);
 
-  useEffect(() => { setHistory(JSON.parse(localStorage.getItem('tg_history') || '[]')); }, []);
-
-  const timeAgo = (ts: number) => {
-    const d = Date.now() - ts;
-    if (d < 60000) return 'just now';
-    if (d < 3600000) return `${Math.floor(d/60000)}m ago`;
-    if (d < 86400000) return `${Math.floor(d/3600000)}h ago`;
-    return `${Math.floor(d/86400000)}d ago`;
-  };
+  useEffect(() => {
+    const h = JSON.parse(localStorage.getItem('tg_history') || '[]');
+    setHistory(h);
+    if (h.length) setSelected(h[0]);
+  }, []);
 
   return (
-    <div className="max-w-[1400px] mx-auto px-6 py-6">
-      <div className="flex items-center justify-between mb-6">
-        <div><h1 className="text-xl font-bold">Generation History</h1><p className="text-xs text-gray-500 mt-0.5">{history.length} runs saved locally</p></div>
-        {history.length > 0 && <button onClick={() => { localStorage.removeItem('tg_history'); setHistory([]); setSelected(null); }} className="px-3 py-1.5 text-[11px] text-red-400 border border-red-500/20 rounded-lg hover:bg-red-500/5 transition">Clear All</button>}
+    <div className="max-w-7xl mx-auto px-6 py-8">
+      <div className="mb-6">
+        <h1 className="text-2xl font-bold text-slate-900">Generation History</h1>
+        <p className="text-slate-500 text-sm mt-1">Previous test generation runs (stored locally)</p>
       </div>
 
       {history.length === 0 ? (
-        <div className="text-center py-24"><div className="text-4xl mb-4 opacity-30">📋</div><p className="text-gray-500 text-sm">No history yet. Generate some tests first.</p></div>
+        <div className="card p-12 text-center">
+          <div className="text-4xl mb-4 opacity-30">📋</div>
+          <p className="text-slate-500">No history yet. Generate some tests first!</p>
+        </div>
       ) : (
-        <div className="grid lg:grid-cols-[280px_1fr] gap-4 h-[calc(100vh-180px)]">
-          <div className="space-y-1.5 overflow-y-auto pr-2">
+        <div className="grid lg:grid-cols-[280px_1fr] gap-6">
+          {/* List */}
+          <div className="space-y-2 max-h-[600px] overflow-y-auto">
             {history.map((item, i) => (
               <button key={i} onClick={() => setSelected(item)}
-                className={`w-full text-left p-3 rounded-xl border transition-all ${selected === item ? 'bg-emerald-500/5 border-emerald-500/20' : 'bg-white/[0.01] border-white/[0.04] hover:border-white/[0.08]'}`}>
-                <div className="flex items-center justify-between mb-1">
-                  <span className="text-[10px] font-mono text-emerald-400/70">{item.run_id || item.test_suite_id || '—'}</span>
-                  <span className="text-[10px] text-gray-600">{timeAgo(item._time)}</span>
-                </div>
-                <div className="text-[11px] text-gray-400 truncate">{item._input || '(no preview)'}</div>
-                <div className="flex items-center gap-2 mt-1.5">
-                  <span className="text-[10px] px-1.5 py-0.5 rounded bg-blue-500/10 text-blue-400">{item._tab}</span>
-                  {item.quality && <span className="text-[10px] px-1.5 py-0.5 rounded bg-emerald-500/10 text-emerald-400">Grade {item.quality.grade}</span>}
-                  {item.behavior_coverage && <span className="text-[10px] text-gray-500">{item.behavior_coverage.coverage_pct}%</span>}
+                className={`w-full text-left p-3 rounded-lg border transition-all ${
+                  selected === item ? 'bg-blue-50 border-blue-200' : 'bg-white border-slate-200 hover:border-slate-300'
+                }`}>
+                <div className="text-sm font-medium text-slate-900 truncate">{item.run_id || `Run ${i + 1}`}</div>
+                <div className="text-xs text-slate-500 mt-1">{item._input?.slice(0, 60) || 'No description'}</div>
+                <div className="flex items-center gap-2 mt-2">
+                  {item.quality && <span className={`text-[10px] px-2 py-0.5 rounded-full font-semibold ${
+                    item.quality.grade === 'A' ? 'bg-green-50 text-green-700' : 'bg-blue-50 text-blue-700'
+                  }`}>Grade {item.quality.grade}</span>}
+                  <span className="text-[10px] text-slate-400">{item.processing_time_ms?.toFixed(0)}ms</span>
                 </div>
               </button>
             ))}
           </div>
 
-          <div className="bg-white/[0.01] border border-white/[0.04] rounded-xl overflow-hidden flex flex-col">
+          {/* Detail */}
+          <div className="card overflow-hidden flex flex-col">
             {selected ? (
               <>
-                <div className="flex items-center justify-between px-4 py-2.5 border-b border-white/[0.04]">
-                  <div className="flex items-center gap-3">
-                    {selected.quality && <span className={`text-xs font-bold px-2 py-0.5 rounded ${selected.quality.grade === 'A' ? 'bg-emerald-500/10 text-emerald-300' : 'bg-blue-500/10 text-blue-300'}`}>Grade {selected.quality.grade}</span>}
-                    <span className="text-[11px] text-gray-500">{selected.processing_time_ms?.toFixed(0)}ms</span>
-                    {selected.iterations_performed > 0 && <span className="text-[11px] text-purple-400">🔄 {selected.iterations_performed} iterations</span>}
-                  </div>
+                <div className="px-5 py-3 border-b border-slate-100 bg-slate-50/50 flex items-center justify-between">
+                  <span className="text-sm font-medium text-slate-900">{selected.run_id}</span>
                   <button onClick={() => navigator.clipboard.writeText(selected.test_files?.[0]?.code || selected.test_code || '')}
-                    className="px-3 py-1 text-[11px] bg-emerald-500/10 text-emerald-400 rounded-lg hover:bg-emerald-500/20 transition">Copy</button>
+                    className="px-3 py-1 rounded-lg bg-blue-50 text-blue-700 text-xs font-medium hover:bg-blue-100">Copy Code</button>
                 </div>
-                <pre className="flex-1 overflow-auto p-4 text-[12px] text-gray-300 font-mono leading-[1.7]">
-                  {selected.test_files?.[0]?.code || selected.test_code || 'No code available'}
+                <pre className="flex-1 overflow-auto p-5 text-sm text-slate-800 font-mono leading-[1.7]">
+                  {selected.test_files?.[0]?.code || selected.test_code || 'No code'}
                 </pre>
               </>
             ) : (
-              <div className="flex-1 flex items-center justify-center text-gray-500 text-sm">Select a run to view</div>
+              <div className="flex-1 flex items-center justify-center text-slate-500 text-sm">Select a run to view</div>
             )}
           </div>
         </div>