feat(analytics): replace native date select with custom UI component

app/sites/[id]/page.tsx

@@ -7,6 +7,7 @@ import { getStats, getRealtime, getDailyStats, getTopPages, getTopReferrers, get
 import { formatNumber, formatDuration, getDateRange } from '@/lib/utils/format'
 import { toast } from 'sonner'
 import LoadingOverlay from '@/components/LoadingOverlay'
+import Select from '@/components/ui/Select'
 import ContentStats from '@/components/dashboard/ContentStats'
 import TopReferrers from '@/components/dashboard/TopReferrers'
 import Locations from '@/components/dashboard/Locations'
@@ -161,7 +162,7 @@ export default function SiteDashboardPage() {
           </div>
 
           <div className="flex gap-2">
-            <select
+            <Select
               value={
                 dateRange.start === new Date().toISOString().split('T')[0] && dateRange.end === new Date().toISOString().split('T')[0] 
                 ? 'today' 
@@ -171,21 +172,21 @@ export default function SiteDashboardPage() {
                 ? '30' 
                 : 'custom'
               }
-              onChange={(e) => {
-                if (e.target.value === '7') setDateRange(getDateRange(7))
-                else if (e.target.value === '30') setDateRange(getDateRange(30))
-                else if (e.target.value === 'today') {
+              onChange={(value) => {
+                if (value === '7') setDateRange(getDateRange(7))
+                else if (value === '30') setDateRange(getDateRange(30))
+                else if (value === 'today') {
                   const today = new Date().toISOString().split('T')[0]
                   setDateRange({ start: today, end: today })
                 }
               }}
-              className="btn-secondary text-sm"
-            >
-              <option value="today">Today</option>
-              <option value="7">Last 7 days</option>
-              <option value="30">Last 30 days</option>
-              <option value="custom">Custom</option>
-            </select>
+              options={[
+                { value: 'today', label: 'Today' },
+                { value: '7', label: 'Last 7 days' },
+                { value: '30', label: 'Last 30 days' },
+                { value: 'custom', label: 'Custom' },
+              ]}
+            />
             <button
               onClick={() => router.push(`/sites/${siteId}/settings`)}
               className="btn-secondary text-sm"

components/ui/Select.tsx

@@ -0,0 +1,79 @@
+'use client'
+
+import { useState, useRef, useEffect } from 'react'
+
+interface Option {
+  value: string
+  label: string
+}
+
+interface SelectProps {
+  value: string
+  onChange: (value: string) => void
+  options: Option[]
+  className?: string
+}
+
+export default function Select({ value, onChange, options, className = '' }: SelectProps) {
+  const [isOpen, setIsOpen] = useState(false)
+  const ref = useRef<HTMLDivElement>(null)
+
+  useEffect(() => {
+    function handleClickOutside(event: MouseEvent) {
+      if (ref.current && !ref.current.contains(event.target as Node)) {
+        setIsOpen(false)
+      }
+    }
+    document.addEventListener('mousedown', handleClickOutside)
+    return () => document.removeEventListener('mousedown', handleClickOutside)
+  }, [])
+
+  const selectedOption = options.find(o => o.value === value) || options.find(o => o.value === 'custom')
+
+  return (
+    <div className={`relative ${className}`} ref={ref}>
+      <button
+        type="button"
+        onClick={() => setIsOpen(!isOpen)}
+        className="btn-secondary min-w-[140px] flex items-center justify-between gap-2"
+      >
+        <span>{selectedOption?.label || value}</span>
+        <svg
+          className={`w-4 h-4 text-neutral-500 transition-transform duration-200 ${isOpen ? 'rotate-180' : ''}`}
+          fill="none"
+          viewBox="0 0 24 24"
+          stroke="currentColor"
+        >
+          <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M19 9l-7 7-7-7" />
+        </svg>
+      </button>
+
+      {isOpen && (
+        <div className="absolute right-0 mt-2 w-full min-w-[140px] bg-white dark:bg-neutral-900 border border-neutral-200 dark:border-neutral-800 rounded-xl shadow-lg z-50 overflow-hidden py-1">
+          {options.map((option) => (
+            <button
+              key={option.value}
+              onClick={() => {
+                onChange(option.value)
+                setIsOpen(false)
+              }}
+              className={`w-full text-left px-4 py-2.5 text-sm transition-colors flex items-center justify-between
+                ${value === option.value 
+                  ? 'bg-neutral-50 dark:bg-neutral-800 text-brand-orange font-medium' 
+                  : 'text-neutral-700 dark:text-neutral-300 hover:bg-neutral-50 dark:hover:bg-neutral-800'
+                }
+              `}
+            >
+              {option.label}
+              {value === option.value && (
+                <svg className="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M5 13l4 4L19 7" />
+                </svg>
+              )}
+            </button>
+          ))}
+        </div>
+      )}
+    </div>
+  )
+}