diff --git a/ui/app/globals.css b/ui/app/globals.css
index 9eaa4e84..37756b40 100644
--- a/ui/app/globals.css
+++ b/ui/app/globals.css
@@ -70,36 +70,36 @@
 
 :root {
   --radius: 0.5rem;
-  --background: oklch(0.9900 0 0);
+  --background: oklch(0.99 0 0);
   --foreground: oklch(0 0 0);
   --card: oklch(1 0 0);
   --card-foreground: oklch(0 0 0);
-  --popover: oklch(0.9900 0 0);
+  --popover: oklch(0.99 0 0);
   --popover-foreground: oklch(0 0 0);
   --primary: oklch(0 0 0);
   --primary-foreground: oklch(1 0 0);
-  --secondary: oklch(0.9400 0 0);
+  --secondary: oklch(0.94 0 0);
   --secondary-foreground: oklch(0 0 0);
-  --muted: oklch(0.9700 0 0);
-  --muted-foreground: oklch(0.4400 0 0);
-  --accent: oklch(0.9400 0 0);
+  --muted: oklch(0.97 0 0);
+  --muted-foreground: oklch(0.44 0 0);
+  --accent: oklch(0.94 0 0);
   --accent-foreground: oklch(0 0 0);
-  --destructive: oklch(0.6300 0.1900 23.0300);
-  --border: oklch(0.9200 0 0);
-  --input: oklch(0.9400 0 0);
+  --destructive: oklch(0.63 0.19 23.03);
+  --border: oklch(0.92 0 0);
+  --input: oklch(0.94 0 0);
   --ring: oklch(0 0 0);
-  --chart-1: oklch(0.8100 0.1700 75.3500);
-  --chart-2: oklch(0.5500 0.2200 264.5300);
-  --chart-3: oklch(0.7200 0 0);
-  --chart-4: oklch(0.9200 0 0);
-  --chart-5: oklch(0.5600 0 0);
-  --sidebar: oklch(0.9900 0 0);
+  --chart-1: oklch(0.81 0.17 75.35);
+  --chart-2: oklch(0.55 0.22 264.53);
+  --chart-3: oklch(0.72 0 0);
+  --chart-4: oklch(0.92 0 0);
+  --chart-5: oklch(0.56 0 0);
+  --sidebar: oklch(0.99 0 0);
   --sidebar-foreground: oklch(0 0 0);
   --sidebar-primary: oklch(0 0 0);
   --sidebar-primary-foreground: oklch(1 0 0);
-  --sidebar-accent: oklch(0.9400 0 0);
+  --sidebar-accent: oklch(0.94 0 0);
   --sidebar-accent-foreground: oklch(0 0 0);
-  --sidebar-border: oklch(0.9400 0 0);
+  --sidebar-border: oklch(0.94 0 0);
   --sidebar-ring: oklch(0 0 0);
   --destructive-foreground: oklch(1 0 0);
   --font-sans: Geist, sans-serif;
@@ -115,11 +115,16 @@
   --spacing: 0.25rem;
   --shadow-2xs: 0px 1px 2px 0px hsl(0 0% 0% / 0.09);
   --shadow-xs: 0px 1px 2px 0px hsl(0 0% 0% / 0.09);
-  --shadow-sm: 0px 1px 2px 0px hsl(0 0% 0% / 0.18), 0px 1px 2px -1px hsl(0 0% 0% / 0.18);
-  --shadow: 0px 1px 2px 0px hsl(0 0% 0% / 0.18), 0px 1px 2px -1px hsl(0 0% 0% / 0.18);
-  --shadow-md: 0px 1px 2px 0px hsl(0 0% 0% / 0.18), 0px 2px 4px -1px hsl(0 0% 0% / 0.18);
-  --shadow-lg: 0px 1px 2px 0px hsl(0 0% 0% / 0.18), 0px 4px 6px -1px hsl(0 0% 0% / 0.18);
-  --shadow-xl: 0px 1px 2px 0px hsl(0 0% 0% / 0.18), 0px 8px 10px -1px hsl(0 0% 0% / 0.18);
+  --shadow-sm:
+    0px 1px 2px 0px hsl(0 0% 0% / 0.18), 0px 1px 2px -1px hsl(0 0% 0% / 0.18);
+  --shadow:
+    0px 1px 2px 0px hsl(0 0% 0% / 0.18), 0px 1px 2px -1px hsl(0 0% 0% / 0.18);
+  --shadow-md:
+    0px 1px 2px 0px hsl(0 0% 0% / 0.18), 0px 2px 4px -1px hsl(0 0% 0% / 0.18);
+  --shadow-lg:
+    0px 1px 2px 0px hsl(0 0% 0% / 0.18), 0px 4px 6px -1px hsl(0 0% 0% / 0.18);
+  --shadow-xl:
+    0px 1px 2px 0px hsl(0 0% 0% / 0.18), 0px 8px 10px -1px hsl(0 0% 0% / 0.18);
   --shadow-2xl: 0px 1px 2px 0px hsl(0 0% 0% / 0.45);
   --tracking-normal: 0em;
 }
@@ -127,35 +132,35 @@
 .dark {
   --background: oklch(0 0 0);
   --foreground: oklch(1 0 0);
-  --card: oklch(0.1400 0 0);
+  --card: oklch(0.14 0 0);
   --card-foreground: oklch(1 0 0);
-  --popover: oklch(0.1800 0 0);
+  --popover: oklch(0.18 0 0);
   --popover-foreground: oklch(1 0 0);
   --primary: oklch(1 0 0);
   --primary-foreground: oklch(0 0 0);
-  --secondary: oklch(0.2500 0 0);
+  --secondary: oklch(0.25 0 0);
   --secondary-foreground: oklch(1 0 0);
-  --muted: oklch(0.2300 0 0);
-  --muted-foreground: oklch(0.7200 0 0);
-  --accent: oklch(0.3200 0 0);
+  --muted: oklch(0.23 0 0);
+  --muted-foreground: oklch(0.72 0 0);
+  --accent: oklch(0.32 0 0);
   --accent-foreground: oklch(1 0 0);
-  --destructive: oklch(0.6900 0.2000 23.9100);
-  --border: oklch(0.2600 0 0);
-  --input: oklch(0.3200 0 0);
-  --ring: oklch(0.7200 0 0);
-  --chart-1: oklch(0.8100 0.1700 75.3500);
-  --chart-2: oklch(0.5800 0.2100 260.8400);
-  --chart-3: oklch(0.5600 0 0);
-  --chart-4: oklch(0.4400 0 0);
-  --chart-5: oklch(0.9200 0 0);
-  --sidebar: oklch(0.1800 0 0);
+  --destructive: oklch(0.69 0.2 23.91);
+  --border: oklch(0.26 0 0);
+  --input: oklch(0.32 0 0);
+  --ring: oklch(0.72 0 0);
+  --chart-1: oklch(0.81 0.17 75.35);
+  --chart-2: oklch(0.58 0.21 260.84);
+  --chart-3: oklch(0.56 0 0);
+  --chart-4: oklch(0.44 0 0);
+  --chart-5: oklch(0.92 0 0);
+  --sidebar: oklch(0.18 0 0);
   --sidebar-foreground: oklch(1 0 0);
   --sidebar-primary: oklch(1 0 0);
   --sidebar-primary-foreground: oklch(0 0 0);
-  --sidebar-accent: oklch(0.3200 0 0);
+  --sidebar-accent: oklch(0.32 0 0);
   --sidebar-accent-foreground: oklch(1 0 0);
-  --sidebar-border: oklch(0.3200 0 0);
-  --sidebar-ring: oklch(0.7200 0 0);
+  --sidebar-border: oklch(0.32 0 0);
+  --sidebar-ring: oklch(0.72 0 0);
   --destructive-foreground: oklch(0 0 0);
   --radius: 0.5rem;
   --font-sans: Geist, sans-serif;
@@ -171,11 +176,16 @@
   --spacing: 0.25rem;
   --shadow-2xs: 0px 1px 2px 0px hsl(0 0% 0% / 0.09);
   --shadow-xs: 0px 1px 2px 0px hsl(0 0% 0% / 0.09);
-  --shadow-sm: 0px 1px 2px 0px hsl(0 0% 0% / 0.18), 0px 1px 2px -1px hsl(0 0% 0% / 0.18);
-  --shadow: 0px 1px 2px 0px hsl(0 0% 0% / 0.18), 0px 1px 2px -1px hsl(0 0% 0% / 0.18);
-  --shadow-md: 0px 1px 2px 0px hsl(0 0% 0% / 0.18), 0px 2px 4px -1px hsl(0 0% 0% / 0.18);
-  --shadow-lg: 0px 1px 2px 0px hsl(0 0% 0% / 0.18), 0px 4px 6px -1px hsl(0 0% 0% / 0.18);
-  --shadow-xl: 0px 1px 2px 0px hsl(0 0% 0% / 0.18), 0px 8px 10px -1px hsl(0 0% 0% / 0.18);
+  --shadow-sm:
+    0px 1px 2px 0px hsl(0 0% 0% / 0.18), 0px 1px 2px -1px hsl(0 0% 0% / 0.18);
+  --shadow:
+    0px 1px 2px 0px hsl(0 0% 0% / 0.18), 0px 1px 2px -1px hsl(0 0% 0% / 0.18);
+  --shadow-md:
+    0px 1px 2px 0px hsl(0 0% 0% / 0.18), 0px 2px 4px -1px hsl(0 0% 0% / 0.18);
+  --shadow-lg:
+    0px 1px 2px 0px hsl(0 0% 0% / 0.18), 0px 4px 6px -1px hsl(0 0% 0% / 0.18);
+  --shadow-xl:
+    0px 1px 2px 0px hsl(0 0% 0% / 0.18), 0px 8px 10px -1px hsl(0 0% 0% / 0.18);
   --shadow-2xl: 0px 1px 2px 0px hsl(0 0% 0% / 0.45);
 }
 
@@ -201,4 +211,4 @@
 
 .animate-shimmer {
   animation: shimmer 2s infinite;
-}
\ No newline at end of file
+}
diff --git a/ui/app/logs/log-entry-card.tsx b/ui/app/logs/log-entry-card.tsx
index f60d151d..20133908 100644
--- a/ui/app/logs/log-entry-card.tsx
+++ b/ui/app/logs/log-entry-card.tsx
@@ -53,7 +53,6 @@ export function LogEntryCard({ entry, onClick }: LogEntryCardProps) {
 
   return (
     <div
-      key={`${entry.request_id}-${entry.asctime}-${entry.lineno}`}
       className='bg-card hover:bg-accent/50 group mb-4 cursor-pointer overflow-hidden rounded-lg border p-3 transition-colors duration-200 sm:p-4'
       onClick={() => onClick(entry)}
     >
diff --git a/ui/app/logs/log-filters.tsx b/ui/app/logs/log-filters.tsx
index 6257fbd0..cf85a2ba 100644
--- a/ui/app/logs/log-filters.tsx
+++ b/ui/app/logs/log-filters.tsx
@@ -15,8 +15,16 @@ import {
   SelectTrigger,
   SelectValue,
 } from '@/components/ui/select';
-import { Calendar, Filter } from 'lucide-react';
+import {
+  Popover,
+  PopoverContent,
+  PopoverTrigger,
+} from '@/components/ui/popover';
+import { Calendar } from '@/components/ui/calendar';
+import { CalendarIcon, Filter, X } from 'lucide-react';
 import { useState, useEffect } from 'react';
+import { format } from 'date-fns';
+import { cn } from '@/lib/utils';
 
 interface LogFiltersProps {
   selectedDate: string;
@@ -24,7 +32,6 @@ interface LogFiltersProps {
   requestId: string;
   searchText: string;
   limit: number;
-  availableDates: string[];
   onDateChange: (date: string) => void;
   onLevelChange: (level: string) => void;
   onRequestIdChange: (requestId: string) => void;
@@ -42,7 +49,6 @@ export function LogFilters({
   requestId,
   searchText,
   limit,
-  availableDates,
   onDateChange,
   onLevelChange,
   onRequestIdChange,
@@ -56,6 +62,9 @@ export function LogFilters({
     isPreset ? '' : limit.toString()
   );
   const [isCustom, setIsCustom] = useState<boolean>(!isPreset);
+  const [date, setDate] = useState<Date | undefined>(
+    selectedDate && selectedDate !== 'all' ? new Date(selectedDate) : undefined
+  );
 
   useEffect(() => {
     const currentIsPreset = PRESET_LIMITS.includes(limit.toString());
@@ -65,6 +74,18 @@ export function LogFilters({
     }
   }, [limit]);
 
+  useEffect(() => {
+    if (selectedDate === 'all' || !selectedDate) {
+      setDate(undefined);
+    } else {
+      try {
+        setDate(new Date(selectedDate));
+      } catch {
+        setDate(undefined);
+      }
+    }
+  }, [selectedDate]);
+
   const handleLimitChange = (value: string) => {
     if (value === 'custom') {
       setIsCustom(true);
@@ -100,6 +121,15 @@ export function LogFilters({
     }
   };
 
+  const handleDateSelect = (selectedDate: Date | undefined) => {
+    setDate(selectedDate);
+    if (selectedDate) {
+      onDateChange(format(selectedDate, 'yyyy-MM-dd'));
+    } else {
+      onDateChange('all');
+    }
+  };
+
   return (
     <Card className='mb-6'>
       <CardHeader>
@@ -115,20 +145,40 @@ export function LogFilters({
         <div className='grid grid-cols-1 gap-4 md:grid-cols-2 lg:grid-cols-3'>
           <div className='space-y-2'>
             <Label htmlFor='date'>Date</Label>
-            <Select value={selectedDate} onValueChange={onDateChange}>
-              <SelectTrigger>
-                <Calendar className='mr-2 h-4 w-4' />
-                <SelectValue placeholder='Select date' />
-              </SelectTrigger>
-              <SelectContent>
-                <SelectItem value='all'>All dates</SelectItem>
-                {availableDates.map((date) => (
-                  <SelectItem key={date} value={date}>
-                    {date}
-                  </SelectItem>
-                ))}
-              </SelectContent>
-            </Select>
+            <Popover>
+              <PopoverTrigger asChild>
+                <Button
+                  variant='outline'
+                  className={cn(
+                    'w-full justify-start text-left font-normal',
+                    !date && 'text-muted-foreground'
+                  )}
+                >
+                  <CalendarIcon className='mr-2 h-4 w-4' />
+                  {date ? format(date, 'PPP') : <span>Pick a date</span>}
+                </Button>
+              </PopoverTrigger>
+              <PopoverContent className='w-auto p-0' align='start'>
+                <Calendar
+                  mode='single'
+                  selected={date}
+                  onSelect={handleDateSelect}
+                  initialFocus
+                />
+              </PopoverContent>
+            </Popover>
+            {date && (
+              <Button
+                type='button'
+                variant='ghost'
+                size='sm'
+                onClick={() => handleDateSelect(undefined)}
+                className='w-full'
+              >
+                <X className='mr-2 h-4 w-4' />
+                Clear date
+              </Button>
+            )}
           </div>
 
           <div className='space-y-2'>
diff --git a/ui/app/logs/page.tsx b/ui/app/logs/page.tsx
index 4a1400ff..b3551aad 100644
--- a/ui/app/logs/page.tsx
+++ b/ui/app/logs/page.tsx
@@ -17,7 +17,7 @@ import { ScrollArea } from '@/components/ui/scroll-area';
 import { FileText, RefreshCw } from 'lucide-react';
 import { apiClient } from '@/lib/api/client';
 import { SidebarInset, SidebarProvider } from '@/components/ui/sidebar';
-import { LogEntry, LogsResponse, DatesResponse } from './types';
+import { LogEntry, LogsResponse } from './types';
 import { LogFilters } from './log-filters';
 import { LogEntryCard } from './log-entry-card';
 import { LogDetailsDialog } from './log-details-dialog';
@@ -31,12 +31,6 @@ export default function LogsPage() {
   const [selectedLog, setSelectedLog] = useState<LogEntry | null>(null);
   const [isDialogOpen, setIsDialogOpen] = useState<boolean>(false);
 
-  const { data: datesData } = useQuery({
-    queryKey: ['log-dates'],
-    queryFn: () => apiClient.get<DatesResponse>('/admin/api/logs/dates'),
-    refetchInterval: 300000,
-  });
-
   const {
     data: logsData,
     refetch: refetchLogs,
@@ -107,7 +101,6 @@ export default function LogsPage() {
             requestId={requestId}
             searchText={searchText}
             limit={limit}
-            availableDates={datesData?.dates || []}
             onDateChange={setSelectedDate}
             onLevelChange={setSelectedLevel}
             onRequestIdChange={setRequestId}
@@ -151,9 +144,9 @@ export default function LogsPage() {
                 <>
                   <ScrollArea className='h-[500px] w-full sm:h-[600px]'>
                     <div className='space-y-2 pr-3'>
-                      {logsData.logs.map((entry) => (
+                      {logsData.logs.map((entry, index) => (
                         <LogEntryCard
-                          key={`${entry.request_id}-${entry.asctime}-${entry.lineno}`}
+                          key={`${entry.request_id}-${entry.asctime}-${entry.lineno}-${index}`}
                           entry={entry}
                           onClick={handleLogClick}
                         />
diff --git a/ui/components/ui/calendar.tsx b/ui/components/ui/calendar.tsx
new file mode 100644
index 00000000..3cdae570
--- /dev/null
+++ b/ui/components/ui/calendar.tsx
@@ -0,0 +1,72 @@
+'use client';
+
+import * as React from 'react';
+import { ChevronLeft, ChevronRight } from 'lucide-react';
+import { DayPicker } from 'react-day-picker';
+
+import { cn } from '@/lib/utils';
+import { buttonVariants } from '@/components/ui/button';
+
+export type CalendarProps = React.ComponentProps<typeof DayPicker>;
+
+function Calendar({
+  className,
+  classNames,
+  showOutsideDays = true,
+  ...props
+}: CalendarProps) {
+  return (
+    <DayPicker
+      showOutsideDays={showOutsideDays}
+      className={cn('p-3', className)}
+      classNames={{
+        months: 'flex flex-col sm:flex-row space-y-4 sm:space-x-4 sm:space-y-0',
+        month: 'space-y-4',
+        caption: 'flex justify-center pt-1 relative items-center',
+        caption_label: 'text-sm font-medium',
+        nav: 'space-x-1 flex items-center',
+        button_previous: cn(
+          buttonVariants({ variant: 'outline' }),
+          'h-7 w-7 bg-transparent p-0 opacity-50 hover:opacity-100 absolute left-1'
+        ),
+        button_next: cn(
+          buttonVariants({ variant: 'outline' }),
+          'h-7 w-7 bg-transparent p-0 opacity-50 hover:opacity-100 absolute right-1'
+        ),
+        month_grid: 'w-full border-collapse space-y-1',
+        weekdays: 'flex',
+        weekday:
+          'text-muted-foreground rounded-md w-9 font-normal text-[0.8rem]',
+        week: 'flex w-full mt-2',
+        day: cn(
+          buttonVariants({ variant: 'ghost' }),
+          'h-9 w-9 p-0 font-normal aria-selected:opacity-100'
+        ),
+        day_button: 'h-9 w-9 p-0 font-normal',
+        range_end: 'day-range-end',
+        selected:
+          'bg-primary text-primary-foreground hover:bg-primary hover:text-primary-foreground focus:bg-primary focus:text-primary-foreground',
+        today: 'bg-accent text-accent-foreground',
+        outside:
+          'day-outside text-muted-foreground opacity-50 aria-selected:bg-accent/50 aria-selected:text-muted-foreground aria-selected:opacity-30',
+        disabled: 'text-muted-foreground opacity-50',
+        range_middle:
+          'aria-selected:bg-accent aria-selected:text-accent-foreground',
+        hidden: 'invisible',
+        ...classNames,
+      }}
+      components={{
+        Chevron: ({ orientation }) => {
+          if (orientation === 'left') {
+            return <ChevronLeft className='h-4 w-4' />;
+          }
+          return <ChevronRight className='h-4 w-4' />;
+        },
+      }}
+      {...props}
+    />
+  );
+}
+Calendar.displayName = 'Calendar';
+
+export { Calendar };