app/sites/[id]/page.tsx

@@ -306,6 +306,13 @@ export default function SiteDashboardPage() {
                 { value: 'custom', label: 'Custom' },
               ]}
             />
+            <Button
+              onClick={() => router.push(`/sites/${siteId}/uptime`)}
+              variant="secondary"
+              className="text-sm"
+            >
+              Uptime
+            </Button>
             <Button
               onClick={() => router.push(`/sites/${siteId}/funnels`)}
               variant="secondary"

app/sites/[id]/uptime/page.tsx

@@ -0,0 +1,737 @@
+'use client'
+
+import { useAuth } from '@/lib/auth/context'
+import { useEffect, useState, useCallback } from 'react'
+import { useParams, useRouter } from 'next/navigation'
+import { motion, AnimatePresence } from 'framer-motion'
+import { getSite, type Site } from '@/lib/api/sites'
+import {
+  getUptimeStatus,
+  createUptimeMonitor,
+  updateUptimeMonitor,
+  deleteUptimeMonitor,
+  getMonitorChecks,
+  type UptimeStatusResponse,
+  type MonitorStatus,
+  type UptimeCheck,
+  type UptimeDailyStat,
+  type CreateMonitorRequest,
+} from '@/lib/api/uptime'
+import { toast } from '@ciphera-net/ui'
+import { getAuthErrorMessage } from '@/lib/utils/authErrors'
+import { LoadingOverlay, Button, Modal } from '@ciphera-net/ui'
+
+// * Status color mapping
+function getStatusColor(status: string): string {
+  switch (status) {
+    case 'up':
+    case 'operational':
+      return 'bg-emerald-500'
+    case 'degraded':
+      return 'bg-amber-500'
+    case 'down':
+      return 'bg-red-500'
+    default:
+      return 'bg-neutral-300 dark:bg-neutral-600'
+  }
+}
+
+function getStatusDotColor(status: string): string {
+  switch (status) {
+    case 'up':
+    case 'operational':
+      return 'bg-emerald-500'
+    case 'degraded':
+      return 'bg-amber-500'
+    case 'down':
+      return 'bg-red-500'
+    default:
+      return 'bg-neutral-400'
+  }
+}
+
+function getStatusLabel(status: string): string {
+  switch (status) {
+    case 'up':
+    case 'operational':
+      return 'Operational'
+    case 'degraded':
+      return 'Degraded'
+    case 'down':
+      return 'Down'
+    default:
+      return 'Unknown'
+  }
+}
+
+function getDayStatus(stat: UptimeDailyStat | undefined): string {
+  if (!stat) return 'no_data'
+  if (stat.failed_checks > 0) return 'down'
+  if (stat.degraded_checks > 0) return 'degraded'
+  return 'up'
+}
+
+function getDayBarColor(stat: UptimeDailyStat | undefined): string {
+  if (!stat) return 'bg-neutral-200 dark:bg-neutral-700'
+  if (stat.failed_checks > 0) return 'bg-red-500'
+  if (stat.degraded_checks > 0) return 'bg-amber-500'
+  return 'bg-emerald-500'
+}
+
+function formatUptime(pct: number): string {
+  return pct.toFixed(2) + '%'
+}
+
+function formatMs(ms: number | null): string {
+  if (ms === null) return '-'
+  if (ms < 1000) return `${ms}ms`
+  return `${(ms / 1000).toFixed(1)}s`
+}
+
+function formatTimeAgo(dateString: string | null): string {
+  if (!dateString) return 'Never'
+  const date = new Date(dateString)
+  const now = new Date()
+  const diffMs = now.getTime() - date.getTime()
+  const diffSec = Math.floor(diffMs / 1000)
+
+  if (diffSec < 60) return 'just now'
+  if (diffSec < 3600) return `${Math.floor(diffSec / 60)}m ago`
+  if (diffSec < 86400) return `${Math.floor(diffSec / 3600)}h ago`
+  return `${Math.floor(diffSec / 86400)}d ago`
+}
+
+// * Generate array of dates for the last N days
+function generateDateRange(days: number): string[] {
+  const dates: string[] = []
+  const now = new Date()
+  for (let i = days - 1; i >= 0; i--) {
+    const d = new Date(now)
+    d.setDate(d.getDate() - i)
+    dates.push(d.toISOString().split('T')[0])
+  }
+  return dates
+}
+
+// * Component: Uptime status bar (the colored bars visualization)
+function UptimeStatusBar({
+  dailyStats,
+  days = 90,
+}: {
+  dailyStats: UptimeDailyStat[] | null
+  days?: number
+}) {
+  const dateRange = generateDateRange(days)
+  const statsMap = new Map<string, UptimeDailyStat>()
+  if (dailyStats) {
+    for (const s of dailyStats) {
+      statsMap.set(s.date, s)
+    }
+  }
+
+  return (
+    <div className="flex items-center gap-[2px] w-full">
+      {dateRange.map((date) => {
+        const stat = statsMap.get(date)
+        const barColor = getDayBarColor(stat)
+        const dayStatus = getDayStatus(stat)
+        const tooltipText = stat
+          ? `${new Date(date).toLocaleDateString('en-US', { month: 'short', day: 'numeric' })}: ${formatUptime(stat.uptime_percentage)} uptime (${stat.total_checks} checks)`
+          : `${new Date(date).toLocaleDateString('en-US', { month: 'short', day: 'numeric' })}: No data`
+
+        return (
+          <div
+            key={date}
+            className={`flex-1 h-8 rounded-[2px] ${barColor} transition-all duration-150 hover:opacity-80 cursor-pointer group relative min-w-[3px]`}
+            title={tooltipText}
+          />
+        )
+      })}
+    </div>
+  )
+}
+
+// * Component: Monitor card (matches the reference image design)
+function MonitorCard({
+  monitorStatus,
+  expanded,
+  onToggle,
+  onEdit,
+  onDelete,
+  canEdit,
+  siteId,
+}: {
+  monitorStatus: MonitorStatus
+  expanded: boolean
+  onToggle: () => void
+  onEdit: () => void
+  onDelete: () => void
+  canEdit: boolean
+  siteId: string
+}) {
+  const { monitor, daily_stats, overall_uptime } = monitorStatus
+  const [checks, setChecks] = useState<UptimeCheck[]>([])
+  const [loadingChecks, setLoadingChecks] = useState(false)
+
+  useEffect(() => {
+    if (expanded && checks.length === 0) {
+      const fetchChecks = async () => {
+        setLoadingChecks(true)
+        try {
+          const data = await getMonitorChecks(siteId, monitor.id, 20)
+          setChecks(data)
+        } catch {
+          // * Silent fail for check details
+        } finally {
+          setLoadingChecks(false)
+        }
+      }
+      fetchChecks()
+    }
+  }, [expanded, siteId, monitor.id, checks.length])
+
+  return (
+    <div className="bg-white dark:bg-neutral-900 border border-neutral-200 dark:border-neutral-800 rounded-2xl overflow-hidden">
+      {/* Header */}
+      <button
+        onClick={onToggle}
+        className="w-full p-5 flex items-center justify-between hover:bg-neutral-50 dark:hover:bg-neutral-800/50 transition-colors"
+      >
+        <div className="flex items-center gap-3">
+          {/* Status indicator */}
+          <div className={`w-3 h-3 rounded-full ${getStatusDotColor(monitor.last_status)} shrink-0`} />
+          <span className="font-semibold text-neutral-900 dark:text-white">
+            {monitor.name}
+          </span>
+          <span className="text-sm text-neutral-500 dark:text-neutral-400 hidden sm:inline">
+            {monitor.url}
+          </span>
+        </div>
+        <div className="flex items-center gap-4">
+          {monitor.last_response_time_ms !== null && (
+            <span className="text-sm text-neutral-500 dark:text-neutral-400 hidden sm:inline">
+              {formatMs(monitor.last_response_time_ms)}
+            </span>
+          )}
+          <span className="text-sm font-semibold text-neutral-900 dark:text-white">
+            {formatUptime(overall_uptime)} uptime
+          </span>
+          <svg
+            className={`w-4 h-4 text-neutral-400 transition-transform ${expanded ? 'rotate-180' : ''}`}
+            fill="none"
+            viewBox="0 0 24 24"
+            stroke="currentColor"
+            strokeWidth={2}
+          >
+            <path strokeLinecap="round" strokeLinejoin="round" d="M19 9l-7 7-7-7" />
+          </svg>
+        </div>
+      </button>
+
+      {/* Status bar */}
+      <div className="px-5 pb-4">
+        <UptimeStatusBar dailyStats={daily_stats} />
+        <div className="flex justify-between mt-1.5 text-xs text-neutral-400 dark:text-neutral-500">
+          <span>90 days ago</span>
+          <span>Today</span>
+        </div>
+      </div>
+
+      {/* Expanded details */}
+      <AnimatePresence>
+        {expanded && (
+          <motion.div
+            initial={{ height: 0, opacity: 0 }}
+            animate={{ height: 'auto', opacity: 1 }}
+            exit={{ height: 0, opacity: 0 }}
+            transition={{ duration: 0.2 }}
+            className="overflow-hidden"
+          >
+            <div className="px-5 pb-5 border-t border-neutral-200 dark:border-neutral-800 pt-4">
+              {/* Monitor details grid */}
+              <div className="grid grid-cols-2 sm:grid-cols-4 gap-4 mb-5">
+                <div>
+                  <div className="text-xs font-medium text-neutral-500 dark:text-neutral-400 uppercase tracking-wider mb-1">
+                    Status
+                  </div>
+                  <div className="flex items-center gap-1.5">
+                    <div className={`w-2 h-2 rounded-full ${getStatusDotColor(monitor.last_status)}`} />
+                    <span className="text-sm font-medium text-neutral-900 dark:text-white">
+                      {getStatusLabel(monitor.last_status)}
+                    </span>
+                  </div>
+                </div>
+                <div>
+                  <div className="text-xs font-medium text-neutral-500 dark:text-neutral-400 uppercase tracking-wider mb-1">
+                    Response Time
+                  </div>
+                  <span className="text-sm font-medium text-neutral-900 dark:text-white">
+                    {formatMs(monitor.last_response_time_ms)}
+                  </span>
+                </div>
+                <div>
+                  <div className="text-xs font-medium text-neutral-500 dark:text-neutral-400 uppercase tracking-wider mb-1">
+                    Check Interval
+                  </div>
+                  <span className="text-sm font-medium text-neutral-900 dark:text-white">
+                    {monitor.check_interval_seconds >= 60
+                      ? `${Math.floor(monitor.check_interval_seconds / 60)}m`
+                      : `${monitor.check_interval_seconds}s`}
+                  </span>
+                </div>
+                <div>
+                  <div className="text-xs font-medium text-neutral-500 dark:text-neutral-400 uppercase tracking-wider mb-1">
+                    Last Checked
+                  </div>
+                  <span className="text-sm font-medium text-neutral-900 dark:text-white">
+                    {formatTimeAgo(monitor.last_checked_at)}
+                  </span>
+                </div>
+              </div>
+
+              {/* Recent checks */}
+              {loadingChecks ? (
+                <div className="text-center py-4 text-neutral-500 dark:text-neutral-400 text-sm">
+                  Loading recent checks...
+                </div>
+              ) : checks.length > 0 ? (
+                <div>
+                  <h4 className="text-xs font-semibold text-neutral-500 dark:text-neutral-400 uppercase tracking-wider mb-3">
+                    Recent Checks
+                  </h4>
+                  <div className="space-y-1.5 max-h-48 overflow-y-auto">
+                    {checks.map((check) => (
+                      <div
+                        key={check.id}
+                        className="flex items-center justify-between py-1.5 px-2 rounded-lg hover:bg-neutral-50 dark:hover:bg-neutral-800 text-sm"
+                      >
+                        <div className="flex items-center gap-2">
+                          <div className={`w-2 h-2 rounded-full ${getStatusDotColor(check.status)}`} />
+                          <span className="text-neutral-600 dark:text-neutral-300 text-xs">
+                            {new Date(check.checked_at).toLocaleString('en-US', {
+                              month: 'short',
+                              day: 'numeric',
+                              hour: '2-digit',
+                              minute: '2-digit',
+                            })}
+                          </span>
+                        </div>
+                        <div className="flex items-center gap-3">
+                          {check.status_code && (
+                            <span className="text-xs text-neutral-500 dark:text-neutral-400">
+                              {check.status_code}
+                            </span>
+                          )}
+                          <span className="text-xs font-medium text-neutral-700 dark:text-neutral-300">
+                            {formatMs(check.response_time_ms)}
+                          </span>
+                        </div>
+                      </div>
+                    ))}
+                  </div>
+                </div>
+              ) : null}
+
+              {/* Actions */}
+              {canEdit && (
+                <div className="flex gap-2 mt-4 pt-4 border-t border-neutral-200 dark:border-neutral-800">
+                  <Button
+                    onClick={(e: React.MouseEvent) => { e.stopPropagation(); onEdit() }}
+                    variant="secondary"
+                    size="sm"
+                  >
+                    Edit
+                  </Button>
+                  <Button
+                    onClick={(e: React.MouseEvent) => { e.stopPropagation(); onDelete() }}
+                    variant="secondary"
+                    size="sm"
+                    className="text-red-600 dark:text-red-400 hover:bg-red-50 dark:hover:bg-red-900/20"
+                  >
+                    Delete
+                  </Button>
+                </div>
+              )}
+            </div>
+          </motion.div>
+        )}
+      </AnimatePresence>
+    </div>
+  )
+}
+
+// * Main uptime page
+export default function UptimePage() {
+  const { user } = useAuth()
+  const canEdit = user?.role === 'owner' || user?.role === 'admin'
+  const params = useParams()
+  const router = useRouter()
+  const siteId = params.id as string
+
+  const [site, setSite] = useState<Site | null>(null)
+  const [loading, setLoading] = useState(true)
+  const [uptimeData, setUptimeData] = useState<UptimeStatusResponse | null>(null)
+  const [expandedMonitor, setExpandedMonitor] = useState<string | null>(null)
+  const [showAddModal, setShowAddModal] = useState(false)
+  const [showEditModal, setShowEditModal] = useState(false)
+  const [editingMonitor, setEditingMonitor] = useState<MonitorStatus | null>(null)
+  const [formData, setFormData] = useState<CreateMonitorRequest>({
+    name: '',
+    url: '',
+    check_interval_seconds: 300,
+    expected_status_code: 200,
+    timeout_seconds: 30,
+  })
+  const [saving, setSaving] = useState(false)
+
+  const loadData = useCallback(async () => {
+    try {
+      const [siteData, statusData] = await Promise.all([
+        getSite(siteId),
+        getUptimeStatus(siteId),
+      ])
+      setSite(siteData)
+      setUptimeData(statusData)
+    } catch (error: unknown) {
+      toast.error(getAuthErrorMessage(error) || 'Failed to load uptime data')
+    } finally {
+      setLoading(false)
+    }
+  }, [siteId])
+
+  useEffect(() => {
+    loadData()
+  }, [loadData])
+
+  // * Auto-refresh every 30 seconds
+  useEffect(() => {
+    const interval = setInterval(async () => {
+      try {
+        const statusData = await getUptimeStatus(siteId)
+        setUptimeData(statusData)
+      } catch {
+        // * Silent refresh failure
+      }
+    }, 30000)
+    return () => clearInterval(interval)
+  }, [siteId])
+
+  const handleAddMonitor = async () => {
+    if (!formData.name || !formData.url) {
+      toast.error('Name and URL are required')
+      return
+    }
+    setSaving(true)
+    try {
+      await createUptimeMonitor(siteId, formData)
+      toast.success('Monitor created successfully')
+      setShowAddModal(false)
+      setFormData({ name: '', url: '', check_interval_seconds: 300, expected_status_code: 200, timeout_seconds: 30 })
+      await loadData()
+    } catch (error: unknown) {
+      toast.error(getAuthErrorMessage(error) || 'Failed to create monitor')
+    } finally {
+      setSaving(false)
+    }
+  }
+
+  const handleEditMonitor = async () => {
+    if (!editingMonitor || !formData.name || !formData.url) return
+    setSaving(true)
+    try {
+      await updateUptimeMonitor(siteId, editingMonitor.monitor.id, {
+        name: formData.name,
+        url: formData.url,
+        check_interval_seconds: formData.check_interval_seconds,
+        expected_status_code: formData.expected_status_code,
+        timeout_seconds: formData.timeout_seconds,
+        enabled: editingMonitor.monitor.enabled,
+      })
+      toast.success('Monitor updated successfully')
+      setShowEditModal(false)
+      setEditingMonitor(null)
+      await loadData()
+    } catch (error: unknown) {
+      toast.error(getAuthErrorMessage(error) || 'Failed to update monitor')
+    } finally {
+      setSaving(false)
+    }
+  }
+
+  const handleDeleteMonitor = async (monitorId: string) => {
+    if (!confirm('Are you sure you want to delete this monitor? All historical data will be lost.')) return
+    try {
+      await deleteUptimeMonitor(siteId, monitorId)
+      toast.success('Monitor deleted')
+      await loadData()
+    } catch (error: unknown) {
+      toast.error(getAuthErrorMessage(error) || 'Failed to delete monitor')
+    }
+  }
+
+  const openEditModal = (ms: MonitorStatus) => {
+    setEditingMonitor(ms)
+    setFormData({
+      name: ms.monitor.name,
+      url: ms.monitor.url,
+      check_interval_seconds: ms.monitor.check_interval_seconds,
+      expected_status_code: ms.monitor.expected_status_code,
+      timeout_seconds: ms.monitor.timeout_seconds,
+    })
+    setShowEditModal(true)
+  }
+
+  if (loading) return <LoadingOverlay logoSrc="/pulse_icon_no_margins.png" title="Uptime" />
+  if (!site) return <div className="p-8 text-neutral-500">Site not found</div>
+
+  const monitors = uptimeData?.monitors ?? []
+  const overallUptime = uptimeData?.overall_uptime ?? 100
+  const overallStatus = uptimeData?.status ?? 'operational'
+
+  return (
+    <motion.div
+      initial={{ opacity: 0 }}
+      animate={{ opacity: 1 }}
+      transition={{ duration: 0.2 }}
+      className="w-full max-w-6xl mx-auto px-4 sm:px-6 py-8"
+    >
+      {/* Header */}
+      <div className="mb-8 flex flex-col sm:flex-row sm:items-center sm:justify-between gap-4">
+        <div>
+          <div className="flex items-center gap-2 mb-1">
+            <button
+              onClick={() => router.push(`/sites/${siteId}`)}
+              className="text-sm text-neutral-500 dark:text-neutral-400 hover:text-neutral-700 dark:hover:text-neutral-200 transition-colors"
+            >
+              {site.name}
+            </button>
+            <span className="text-neutral-300 dark:text-neutral-600">/</span>
+            <h1 className="text-2xl font-bold text-neutral-900 dark:text-white">
+              Uptime
+            </h1>
+          </div>
+          <p className="text-sm text-neutral-500 dark:text-neutral-400">
+            Monitor your endpoints and track availability over time
+          </p>
+        </div>
+        {canEdit && (
+          <Button
+            onClick={() => {
+              setFormData({ name: '', url: '', check_interval_seconds: 300, expected_status_code: 200, timeout_seconds: 30 })
+              setShowAddModal(true)
+            }}
+          >
+            Add Monitor
+          </Button>
+        )}
+      </div>
+
+      {/* Overall status card */}
+      {monitors.length > 0 && (
+        <div className="bg-white dark:bg-neutral-900 border border-neutral-200 dark:border-neutral-800 rounded-2xl p-5 mb-6">
+          <div className="flex items-center justify-between">
+            <div className="flex items-center gap-3">
+              <div className={`w-3.5 h-3.5 rounded-full ${getStatusDotColor(overallStatus)}`} />
+              <div>
+                <span className="font-semibold text-neutral-900 dark:text-white text-lg">
+                  {site.name}
+                </span>
+                <span className="text-sm text-neutral-500 dark:text-neutral-400 ml-3">
+                  {monitors.length} {monitors.length === 1 ? 'component' : 'components'}
+                </span>
+              </div>
+            </div>
+            <span className="text-sm font-semibold text-neutral-900 dark:text-white">
+              {formatUptime(overallUptime)} uptime
+            </span>
+          </div>
+        </div>
+      )}
+
+      {/* Monitor list */}
+      {monitors.length > 0 ? (
+        <div className="space-y-4">
+          {monitors.map((ms) => (
+            <MonitorCard
+              key={ms.monitor.id}
+              monitorStatus={ms}
+              expanded={expandedMonitor === ms.monitor.id}
+              onToggle={() => setExpandedMonitor(
+                expandedMonitor === ms.monitor.id ? null : ms.monitor.id
+              )}
+              onEdit={() => openEditModal(ms)}
+              onDelete={() => handleDeleteMonitor(ms.monitor.id)}
+              canEdit={canEdit}
+              siteId={siteId}
+            />
+          ))}
+        </div>
+      ) : (
+        /* Empty state */
+        <div className="bg-white dark:bg-neutral-900 border border-neutral-200 dark:border-neutral-800 rounded-2xl p-12 text-center">
+          <div className="rounded-full bg-neutral-100 dark:bg-neutral-800 p-4 w-16 h-16 mx-auto mb-4 flex items-center justify-center">
+            <svg className="w-8 h-8 text-neutral-500 dark:text-neutral-400" fill="none" viewBox="0 0 24 24" stroke="currentColor" strokeWidth={1.5}>
+              <path strokeLinecap="round" strokeLinejoin="round" d="M9 12.75L11.25 15 15 9.75M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
+            </svg>
+          </div>
+          <h3 className="font-semibold text-neutral-900 dark:text-white mb-2">
+            No monitors yet
+          </h3>
+          <p className="text-sm text-neutral-500 dark:text-neutral-400 mb-6 max-w-md mx-auto">
+            Add a monitor to start tracking the uptime and response time of your endpoints. You can monitor APIs, websites, and any HTTP endpoint.
+          </p>
+          {canEdit && (
+            <Button
+              onClick={() => {
+                setFormData({ name: '', url: '', check_interval_seconds: 300, expected_status_code: 200, timeout_seconds: 30 })
+                setShowAddModal(true)
+              }}
+            >
+              Add Your First Monitor
+            </Button>
+          )}
+        </div>
+      )}
+
+      {/* Add Monitor Modal */}
+      <Modal isOpen={showAddModal} onClose={() => setShowAddModal(false)} title="Add Monitor">
+        <MonitorForm
+          formData={formData}
+          setFormData={setFormData}
+          onSubmit={handleAddMonitor}
+          onCancel={() => setShowAddModal(false)}
+          saving={saving}
+          submitLabel="Create Monitor"
+          siteDomain={site.domain}
+        />
+      </Modal>
+
+      {/* Edit Monitor Modal */}
+      <Modal isOpen={showEditModal} onClose={() => setShowEditModal(false)} title="Edit Monitor">
+        <MonitorForm
+          formData={formData}
+          setFormData={setFormData}
+          onSubmit={handleEditMonitor}
+          onCancel={() => setShowEditModal(false)}
+          saving={saving}
+          submitLabel="Save Changes"
+          siteDomain={site.domain}
+        />
+      </Modal>
+    </motion.div>
+  )
+}
+
+// * Monitor creation/edit form
+function MonitorForm({
+  formData,
+  setFormData,
+  onSubmit,
+  onCancel,
+  saving,
+  submitLabel,
+  siteDomain,
+}: {
+  formData: CreateMonitorRequest
+  setFormData: (data: CreateMonitorRequest) => void
+  onSubmit: () => void
+  onCancel: () => void
+  saving: boolean
+  submitLabel: string
+  siteDomain: string
+}) {
+  return (
+    <div className="space-y-4">
+      {/* Name */}
+      <div>
+        <label className="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">
+          Name
+        </label>
+        <input
+          type="text"
+          value={formData.name}
+          onChange={(e) => setFormData({ ...formData, name: e.target.value })}
+          placeholder="e.g. API, Website, CDN"
+          className="w-full px-3 py-2 rounded-lg border border-neutral-300 dark:border-neutral-600 bg-white dark:bg-neutral-800 text-neutral-900 dark:text-white placeholder-neutral-400 focus:outline-none focus:ring-2 focus:ring-brand-orange focus:border-transparent text-sm"
+        />
+      </div>
+
+      {/* URL */}
+      <div>
+        <label className="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">
+          URL
+        </label>
+        <input
+          type="url"
+          value={formData.url}
+          onChange={(e) => setFormData({ ...formData, url: e.target.value })}
+          placeholder={`https://${siteDomain}`}
+          className="w-full px-3 py-2 rounded-lg border border-neutral-300 dark:border-neutral-600 bg-white dark:bg-neutral-800 text-neutral-900 dark:text-white placeholder-neutral-400 focus:outline-none focus:ring-2 focus:ring-brand-orange focus:border-transparent text-sm"
+        />
+        <p className="mt-1 text-xs text-neutral-500 dark:text-neutral-400">
+          Must be on <span className="font-medium">{siteDomain}</span> or a subdomain (e.g. api.{siteDomain})
+        </p>
+      </div>
+
+      {/* Check interval */}
+      <div>
+        <label className="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">
+          Check Interval
+        </label>
+        <select
+          value={formData.check_interval_seconds}
+          onChange={(e) => setFormData({ ...formData, check_interval_seconds: parseInt(e.target.value) })}
+          className="w-full px-3 py-2 rounded-lg border border-neutral-300 dark:border-neutral-600 bg-white dark:bg-neutral-800 text-neutral-900 dark:text-white focus:outline-none focus:ring-2 focus:ring-brand-orange focus:border-transparent text-sm"
+        >
+          <option value={60}>Every 1 minute</option>
+          <option value={120}>Every 2 minutes</option>
+          <option value={300}>Every 5 minutes</option>
+          <option value={600}>Every 10 minutes</option>
+          <option value={900}>Every 15 minutes</option>
+          <option value={1800}>Every 30 minutes</option>
+          <option value={3600}>Every 1 hour</option>
+        </select>
+      </div>
+
+      {/* Expected status code */}
+      <div>
+        <label className="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">
+          Expected Status Code
+        </label>
+        <input
+          type="number"
+          value={formData.expected_status_code}
+          onChange={(e) => setFormData({ ...formData, expected_status_code: parseInt(e.target.value) || 200 })}
+          min={100}
+          max={599}
+          className="w-full px-3 py-2 rounded-lg border border-neutral-300 dark:border-neutral-600 bg-white dark:bg-neutral-800 text-neutral-900 dark:text-white focus:outline-none focus:ring-2 focus:ring-brand-orange focus:border-transparent text-sm"
+        />
+      </div>
+
+      {/* Timeout */}
+      <div>
+        <label className="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">
+          Timeout (seconds)
+        </label>
+        <input
+          type="number"
+          value={formData.timeout_seconds}
+          onChange={(e) => setFormData({ ...formData, timeout_seconds: parseInt(e.target.value) || 30 })}
+          min={5}
+          max={60}
+          className="w-full px-3 py-2 rounded-lg border border-neutral-300 dark:border-neutral-600 bg-white dark:bg-neutral-800 text-neutral-900 dark:text-white focus:outline-none focus:ring-2 focus:ring-brand-orange focus:border-transparent text-sm"
+        />
+      </div>
+
+      {/* Actions */}
+      <div className="flex justify-end gap-2 pt-2">
+        <Button variant="secondary" onClick={onCancel}>
+          Cancel
+        </Button>
+        <Button onClick={onSubmit} disabled={saving || !formData.name || !formData.url}>
+          {saving ? 'Saving...' : submitLabel}
+        </Button>
+      </div>
+    </div>
+  )
+}

lib/api/uptime.ts

@@ -0,0 +1,128 @@
+import apiRequest from './client'
+
+// * Types for uptime monitoring
+
+export interface UptimeMonitor {
+  id: string
+  site_id: string
+  name: string
+  url: string
+  check_interval_seconds: number
+  expected_status_code: number
+  timeout_seconds: number
+  enabled: boolean
+  last_checked_at: string | null
+  last_status: 'up' | 'down' | 'degraded' | 'unknown'
+  last_response_time_ms: number | null
+  created_at: string
+  updated_at: string
+}
+
+export interface UptimeCheck {
+  id: string
+  monitor_id: string
+  status: 'up' | 'down' | 'degraded'
+  response_time_ms: number | null
+  status_code: number | null
+  error_message: string | null
+  checked_at: string
+}
+
+export interface UptimeDailyStat {
+  monitor_id: string
+  date: string
+  total_checks: number
+  successful_checks: number
+  failed_checks: number
+  degraded_checks: number
+  avg_response_time_ms: number
+  min_response_time_ms: number | null
+  max_response_time_ms: number | null
+  uptime_percentage: number
+}
+
+export interface MonitorStatus {
+  monitor: UptimeMonitor
+  daily_stats: UptimeDailyStat[] | null
+  overall_uptime: number
+}
+
+export interface UptimeStatusResponse {
+  monitors: MonitorStatus[] | null
+  overall_uptime: number
+  status: 'operational' | 'degraded' | 'down'
+  total_monitors: number
+}
+
+export interface CreateMonitorRequest {
+  name: string
+  url: string
+  check_interval_seconds?: number
+  expected_status_code?: number
+  timeout_seconds?: number
+}
+
+export interface UpdateMonitorRequest {
+  name: string
+  url: string
+  check_interval_seconds?: number
+  expected_status_code?: number
+  timeout_seconds?: number
+  enabled?: boolean
+}
+
+/**
+ * Fetches the uptime status overview for all monitors of a site
+ */
+export async function getUptimeStatus(siteId: string, startDate?: string, endDate?: string): Promise<UptimeStatusResponse> {
+  const params = new URLSearchParams()
+  if (startDate) params.append('start_date', startDate)
+  if (endDate) params.append('end_date', endDate)
+  const query = params.toString()
+  return apiRequest<UptimeStatusResponse>(`/sites/${siteId}/uptime/status${query ? `?${query}` : ''}`)
+}
+
+/**
+ * Lists all uptime monitors for a site
+ */
+export async function listUptimeMonitors(siteId: string): Promise<UptimeMonitor[]> {
+  const res = await apiRequest<{ monitors: UptimeMonitor[] }>(`/sites/${siteId}/uptime/monitors`)
+  return res?.monitors ?? []
+}
+
+/**
+ * Creates a new uptime monitor
+ */
+export async function createUptimeMonitor(siteId: string, data: CreateMonitorRequest): Promise<UptimeMonitor> {
+  return apiRequest<UptimeMonitor>(`/sites/${siteId}/uptime/monitors`, {
+    method: 'POST',
+    body: JSON.stringify(data),
+  })
+}
+
+/**
+ * Updates an existing uptime monitor
+ */
+export async function updateUptimeMonitor(siteId: string, monitorId: string, data: UpdateMonitorRequest): Promise<UptimeMonitor> {
+  return apiRequest<UptimeMonitor>(`/sites/${siteId}/uptime/monitors/${monitorId}`, {
+    method: 'PUT',
+    body: JSON.stringify(data),
+  })
+}
+
+/**
+ * Deletes an uptime monitor
+ */
+export async function deleteUptimeMonitor(siteId: string, monitorId: string): Promise<void> {
+  await apiRequest(`/sites/${siteId}/uptime/monitors/${monitorId}`, {
+    method: 'DELETE',
+  })
+}
+
+/**
+ * Fetches recent checks for a specific monitor
+ */
+export async function getMonitorChecks(siteId: string, monitorId: string, limit = 50): Promise<UptimeCheck[]> {
+  const res = await apiRequest<{ checks: UptimeCheck[] }>(`/sites/${siteId}/uptime/monitors/${monitorId}/checks?limit=${limit}`)
+  return res?.checks ?? []
+}