Fix Market Monitor timezone issues and DBManager styling typo (cleaned)

backend/app/routers/oc.py

@@ -19,8 +19,9 @@ async def list_purchase_orders(
     List purchase orders for a specific date (ddmmaaaa).
     """
     if not date:
-        from datetime import datetime
-        date = datetime.now().strftime("%d%m%Y")
+        from datetime import datetime, timedelta, timezone
+        chile_tz = timezone(timedelta(hours=-4))
+        date = datetime.now(chile_tz).strftime("%d%m%Y")
 
     # Try to fetch current OC data from the live API
     ocs = await get_ocs_by_date(date, status)

backend/app/services/mercado_publico.py

@@ -257,7 +257,8 @@ async def get_tenders_by_filters(
     else:
         # Default to today if no date is provided for specific filters
         if status or org_code or provider_code:
-            params["fecha"] = datetime.now().strftime("%d%m%Y")
+            chile_tz = timezone(timedelta(hours=-4))
+            params["fecha"] = datetime.now(chile_tz).strftime("%d%m%Y")
 
     if status:
         # Map friendly status to MP codes
@@ -288,7 +289,8 @@ async def fetch_tenders(
     date: Optional[str] = None,
     type_code: Optional[str] = None
 ) -> List[Tender]:
-    search_date = normalize_mp_date(date if date else datetime.now().strftime("%Y-%m-%d"))
+    chile_tz = timezone(timedelta(hours=-4))
+    search_date = normalize_mp_date(date if date else datetime.now(chile_tz).strftime("%Y-%m-%d"))
     
     if not date:
         tenders = await get_active_tenders()

backend/app/services/sync.py

@@ -1,5 +1,5 @@
 from sqlalchemy.orm import Session
-from datetime import datetime
+from datetime import datetime, timedelta, timezone
 from app.models.tender import TenderModel
 from app.models.oc import OCModel
 from app.services.mercado_publico import fetch_tenders, get_tender_by_code
@@ -91,7 +91,8 @@ async def sync_purchase_orders_to_db(db: Session, date: str = None, status: str
     Fetches purchase orders from Mercado Público and saves them in the local database.
     """
     if not date:
-        date = datetime.now().strftime("%d%m%Y")
+        chile_tz = timezone(timedelta(hours=-4))
+        date = datetime.now(chile_tz).strftime("%d%m%Y")
 
     try:
         api_orders = await get_ocs_by_date(date, status)
@@ -147,7 +148,8 @@ def clean_expired_tenders(db: Session):
     """
     Removes tenders where closing_date is in the past.
     """
-    now = datetime.now()
+    chile_tz = timezone(timedelta(hours=-4))
+    now = datetime.now(chile_tz)
     expired = db.query(TenderModel).filter(TenderModel.closing_date < now).delete()
     db.commit()
     print(f"[Sync] Cleaned {expired} expired tenders.")

frontend/components/DBManager.tsx

@@ -31,9 +31,9 @@ export default function DBManager({ onFilterClick, lang }: Props) {
     setMessage(null);
     try {
       const result = await syncDatabase();
-      setMessage({ 
-        type: 'success', 
-        text: `Sync complete! New: ${result.tenders?.new || 0} tenders, ${result.purchase_orders?.new || 0} OCs.` 
+      setMessage({
+        type: 'success',
+        text: `Sync complete! New: ${result.tenders?.new || 0} tenders, ${result.purchase_orders?.new || 0} OCs.`
       });
       await loadStats();
     } catch (e) {
@@ -45,7 +45,7 @@ export default function DBManager({ onFilterClick, lang }: Props) {
 
   const handleClear = async () => {
     if (!confirm("Are you sure you want to delete ALL local tenders and purchase orders? This cannot be undone.")) return;
-    
+
     setIsActionInProgress(true);
     setMessage(null);
     try {
@@ -74,7 +74,7 @@ export default function DBManager({ onFilterClick, lang }: Props) {
           <h2 className="text-3xl font-black text-white tracking-tight">{t.databaseTitle}</h2>
           <p className="text-slate-400 mt-1">{t.databaseDesc}</p>
         </div>
-        
+
         <div className="flex items-center gap-3">
           <button
             onClick={handleSync}
@@ -131,8 +131,8 @@ export default function DBManager({ onFilterClick, lang }: Props) {
           </h3>
           <div className="space-y-4">
             {stats?.top_buyers?.map((buyer: any, idx: number) => (
-              <button 
-                key={idx} 
+              <button
+                key={idx}
                 onClick={() => onFilterClick?.("buyer", buyer.name)}
                 className="w-full flex items-center justify-between p-4 rounded-2xl bg-white/[0.03] border border-white/5 hover:bg-white/[0.08] hover:border-cyan/30 transition-all group/row cursor-pointer text-left"
               >
@@ -156,14 +156,14 @@ export default function DBManager({ onFilterClick, lang }: Props) {
             <span>💡</span> Persistence Insights
           </h3>
           <div className="space-y-6">
-             <div className="p-4 rounded-2xl bg-blue-500/5 border border-blue-500/10">
-               <p className="text-xs text-blue-400 font-bold mb-1">Local Mode Active</p>
-               <p className="text-xs text-slate-400 leading-relaxed">System is prioritizing local database for faster search. Global sync updates the local cache with the latest Mercado Público data.</p>
-             </div>
-             <div className="p-4 rounded-2xl bg-purple-500/5 border border-purple-500/10">
-               <p className="text-xs text-purple-400 font-bold mb-1">Integrity Check</p>
-               <p className="text-xs text-slate-400 leading-relaxed">All nested data (attachments, items, criteria) is successfully serialized as JSON in the SQLite storage.</p>
-             </div>
+            <div className="p-4 rounded-2xl bg-blue-500/5 border border-blue-500/10">
+              <p className="text-xs text-blue-400 font-bold mb-1">Local Mode Active</p>
+              <p className="text-xs text-slate-400 leading-relaxed">System is prioritizing local database for faster search. Global sync updates the local cache with the latest Mercado Público data.</p>
+            </div>
+            <div className="p-4 rounded-2xl bg-purple-500/5 border border-purple-500/10">
+              <p className="text-xs text-purple-400 font-bold mb-1">Integrity Check</p>
+              <p className="text-xs text-slate-400 leading-relaxed">All nested data (attachments, items, criteria) is successfully serialized as JSON in the SQLite storage.</p>
+            </div>
           </div>
         </div>
       </div>