feat(tui): single-dashboard layout with sidebar and overlay

Replace 3-tab navigation with a single monitoring dashboard.

- Replace tab bar with minimal status line (pulse + counts + version)
- Maintenance becomes a toggleable left sidebar (m key)
  - Compact list: active (●) and scheduled (○) windows
  - Enter opens full-screen detail with end/delete actions
- Settings becomes a centered floating overlay (S key)
  - Alerts/Nodes/Users sub-sections with left/right navigation
  - Full CRUD support inside overlay with returnState tracking
- Remove currentTab, switchTab, tab constants, tab click zones
- Replace deleteTab with deleteKind string for cleaner dispatch
- Separate settingsCursor/settingsOffset from main cursor
- Panel focus: maint → monitors → logs → detail
- Context-sensitive footer key hints per focused panel

internal/tui/data.go

@@ -125,7 +125,7 @@ func (m *Model) refreshLive() {
 	m.sites = ordered
 	m.refreshLogContent()
 
-	if m.currentTab == tabMonitors && m.selectedID != 0 {
+	if m.selectedID != 0 {
 		for i, s := range m.sites {
 			if s.ID == m.selectedID {
 				m.cursor = i
@@ -137,7 +137,7 @@ func (m *Model) refreshLive() {
 }
 
 func (m *Model) syncSelectedID() {
-	if m.currentTab == tabMonitors && m.cursor < len(m.sites) {
+	if m.cursor < len(m.sites) {
 		m.selectedID = m.sites[m.cursor].ID
 	}
 }

internal/tui/panel.go

@@ -50,3 +50,7 @@ func max(a, b int) int {
 	}
 	return b
 }
+
+func placeOverlay(fg string, termW, termH int) string {
+	return lipgloss.Place(termW, termH, lipgloss.Center, lipgloss.Center, fg)
+}

internal/tui/tab_alerts.go

@@ -292,10 +292,14 @@ func (m Model) fmtAlertConfigFull(alert models.AlertConfig) string {
 }
 
 func (m Model) viewAlertDetailPanel() string {
-	if m.cursor >= len(m.alerts) {
+	idx := m.cursor
+	if m.returnState == stateSettings {
+		idx = m.settingsCursor
+	}
+	if idx >= len(m.alerts) {
 		return ""
 	}
-	a := m.alerts[m.cursor]
+	a := m.alerts[idx]
 	h := m.engine.GetAlertHealth(a.ID)
 
 	var b strings.Builder
@@ -604,7 +608,12 @@ func (m *Model) submitAlertForm() tea.Cmd {
 	ctx := m.ctx
 	id := m.editID
 	name, aType := d.Name, d.AlertType
-	m.state = stateDashboard
+	if m.returnState == stateSettings {
+		m.state = stateSettings
+	} else {
+		m.state = stateDashboard
+	}
+	m.returnState = 0
 	if id > 0 {
 		return writeCmd("Update alert", func() error {
 			return st.UpdateAlert(ctx, id, name, aType, settings)

internal/tui/tab_maint.go

@@ -20,50 +20,6 @@ type maintFormData struct {
 	CustomHours string
 }
 
-func (m Model) fmtMaintStatus(mw models.MaintenanceWindow) string {
-	now := time.Now()
-	if mw.StartTime.After(now) {
-		return m.st.warnStyle.Render("SCHEDULED")
-	}
-	if !mw.EndTime.IsZero() && mw.EndTime.Before(now) {
-		return m.st.subtleStyle.Render("ENDED")
-	}
-	return m.st.specialStyle.Render("ACTIVE")
-}
-
-func (m Model) fmtMaintType(t string) string {
-	if t == "incident" {
-		return m.st.dangerStyle.Render("incident")
-	}
-	return m.st.maintStyle.Render("maintenance")
-}
-
-func fmtMaintMonitorW(monitorID int, sites []models.Site, maxW int) string {
-	if monitorID == 0 {
-		return "All"
-	}
-	for _, s := range sites {
-		if s.ID == monitorID {
-			return limitStr(s.Name, maxW)
-		}
-	}
-	return fmt.Sprintf("#%d", monitorID)
-}
-
-func (m Model) fmtMaintTime(t time.Time, colW int) string {
-	if t.IsZero() {
-		return m.st.subtleStyle.Render("—")
-	}
-	now := time.Now()
-	if t.Year() == now.Year() && t.YearDay() == now.YearDay() {
-		return t.Format("15:04")
-	}
-	if colW >= 14 {
-		return t.Format("15:04 Jan 02")
-	}
-	return t.Format("Jan 02")
-}
-
 func (m Model) isMonitorInMaintenance(monitorID int) bool {
 	for _, mw := range m.maintenanceWindows {
 		if mw.Type != "maintenance" {
@@ -88,64 +44,6 @@ func (m Model) isMonitorInMaintenance(monitorID int) bool {
 	return false
 }
 
-func (m Model) viewMaintTab() string {
-	if len(m.maintenanceWindows) == 0 {
-		return m.emptyState("No maintenance windows or incidents.", "[n] Create one")
-	}
-
-	var headers []string
-	var widths []int
-	if m.isWide() {
-		headers = []string{"#", "TITLE", "TYPE", "MONITORS", "STATUS", "STARTED", "ENDS"}
-		widths = []int{4, 24, 14, 22, 12, 16, 16}
-	} else {
-		headers = []string{"#", "TITLE", "TYPE", "MON", "ST", "START", "ENDS"}
-		widths = []int{4, 14, 13, 14, 11, 14, 14}
-	}
-	titleW := widths[1]
-	monW := widths[3]
-	timeW := widths[5]
-
-	tbl := m.renderTable(
-		headers,
-		len(m.maintenanceWindows),
-		func(start, end int) [][]string {
-			var rows [][]string
-			allSites := m.engine.GetAllSites()
-			for i := start; i < end; i++ {
-				mw := m.maintenanceWindows[i]
-				rows = append(rows, []string{
-					strconv.Itoa(i + 1),
-					m.zones.Mark(fmt.Sprintf("maint-%d", i), limitStr(mw.Title, titleW-2)),
-					m.fmtMaintType(mw.Type),
-					fmtMaintMonitorW(mw.MonitorID, allSites, monW-2),
-					m.fmtMaintStatus(mw),
-					m.fmtMaintTime(mw.StartTime, timeW),
-					m.fmtMaintTime(mw.EndTime, timeW),
-				})
-			}
-			return rows
-		},
-		widths,
-		nil,
-	)
-
-	now := time.Now()
-	var active, scheduled, ended int
-	for _, mw := range m.maintenanceWindows {
-		if mw.StartTime.After(now) {
-			scheduled++
-		} else if !mw.EndTime.IsZero() && mw.EndTime.Before(now) {
-			ended++
-		} else {
-			active++
-		}
-	}
-	summary := fmt.Sprintf("%d active · %d scheduled · %d ended", active, scheduled, ended)
-
-	return tbl + "\n  " + m.st.subtleStyle.Render(summary)
-}
-
 func (m *Model) initMaintHuhForm() tea.Cmd {
 	m.maintFormData = &maintFormData{
 		Type:        "maintenance",

internal/tui/tab_users.go

@@ -116,7 +116,12 @@ func (m *Model) submitUserForm() tea.Cmd {
 	ctx := m.ctx
 	id := m.editID
 	username, key, role := d.Username, d.PublicKey, d.Role
-	m.state = stateDashboard
+	if m.returnState == stateSettings {
+		m.state = stateSettings
+	} else {
+		m.state = stateDashboard
+	}
+	m.returnState = 0
 	if id > 0 {
 		return writeCmd("Update user", func() error {
 			return st.UpdateUser(ctx, id, username, key, role)

internal/tui/tui.go

@@ -84,12 +84,6 @@ const (
 	detailSparkWidth = 40
 )
 
-const (
-	tabMonitors = 0
-	tabMaint    = 1
-	tabSettings = 2
-)
-
 const (
 	sectionAlerts = 0
 	sectionNodes  = 1
@@ -100,6 +94,7 @@ const (
 	panelMonitors = 0
 	panelLogs     = 1
 	panelDetail   = 2
+	panelMaint    = 3
 )
 
 const (
@@ -114,7 +109,6 @@ type sessionState int
 const (
 	stateDashboard sessionState = iota
 	stateLogs
-	stateUsers
 	stateDetail
 	stateAlertDetail
 	stateFormSite
@@ -124,12 +118,16 @@ const (
 	stateFormMaint
 	stateHistory
 	stateSLA
+	stateSettings
+	stateMaintDetail
 )
 
 type Model struct {
 	state           sessionState
-	currentTab      int
+	returnState     sessionState
 	settingsSection int
+	settingsCursor  int
+	settingsOffset  int
 	cursor          int
 	selectedID      int
 	sortColumn      int
@@ -173,7 +171,9 @@ type Model struct {
 
 	deleteID   int
 	deleteName string
-	deleteTab  int
+	deleteKind string
+
+	maintDetailID int
 
 	ctx        context.Context
 	collapsed  map[int]bool
@@ -199,6 +199,9 @@ type Model struct {
 
 	logsOpen            bool
 	detailOpen          bool
+	maintOpen           bool
+	maintCursor         int
+	maintOffset         int
 	detailChanges       []models.StateChange
 	detailChangesSiteID int
 	detailDailyDays     []monitor.DayReport

internal/tui/update.go

@@ -81,29 +81,33 @@ func (m *Model) handleConfirmDelete(msg tea.Msg) (tea.Model, tea.Cmd) {
 		ctx := m.ctx
 		id := m.deleteID
 		var cmd tea.Cmd
-		switch m.deleteTab {
+		switch m.deleteKind {
-		case tabMonitors:
+		case "site":
 			cmd = writeCmd("Delete site", func() error { return st.DeleteSite(ctx, id) })
 			m.engine.RemoveSite(id)
 			m.adjustCursor(len(m.sites) - 1)
-		case tabMaint:
+		case "maint":
 			cmd = writeCmd("Delete maintenance window", func() error { return st.DeleteMaintenanceWindow(ctx, id) })
-			m.adjustCursor(len(m.maintenanceWindows) - 1)
+		case "alert":
-		case tabSettings:
+			cmd = writeCmd("Delete alert", func() error { return st.DeleteAlert(ctx, id) })
-			switch m.settingsSection {
+		case "user":
-			case sectionAlerts:
+			cmd = writeCmd("Delete user", func() error { return st.DeleteUser(ctx, id) })
-				cmd = writeCmd("Delete alert", func() error { return st.DeleteAlert(ctx, id) })
-				m.adjustCursor(len(m.alerts) - 1)
-			case sectionUsers:
-				cmd = writeCmd("Delete user", func() error { return st.DeleteUser(ctx, id) })
-				m.adjustCursor(len(m.users) - 1)
-			}
 		}
 		m.refreshLive()
-		m.state = stateDashboard
+		if m.returnState == stateSettings {
+			m.state = stateSettings
+		} else {
+			m.state = stateDashboard
+		}
+		m.returnState = 0
 		return m, cmd
 	case "n", "N", "esc":
-		m.state = stateDashboard
+		if m.returnState == stateSettings {
+			m.state = stateSettings
+		} else {
+			m.state = stateDashboard
+		}
+		m.returnState = 0
 	case "ctrl+c":
 		return m, tea.Quit
 	}
@@ -117,7 +121,12 @@ func (m *Model) handleFormMsg(msg tea.Msg) (tea.Model, tea.Cmd) {
 		}
 		if keyMsg.String() == "esc" {
 			m.huhForm = nil
-			m.state = stateDashboard
+			if m.returnState == stateSettings {
+				m.state = stateSettings
+			} else {
+				m.state = stateDashboard
+			}
+			m.returnState = 0
 			return m, nil
 		}
 	}
@@ -153,7 +162,7 @@ func (m *Model) recalcLayout() {
 	if m.filterMode || m.filterText != "" {
 		chrome++
 	}
-	if m.detailOpen && m.currentTab == tabMonitors {
+	if m.detailOpen {
 		chrome += detailInlineHeight
 	}
 	m.maxTableRows = m.termHeight - chrome
@@ -313,7 +322,7 @@ func (m *Model) handleMouse(msg tea.MouseMsg) (tea.Model, tea.Cmd) {
 		return m, nil
 	}
 
-	if m.currentTab == tabMonitors && m.focusedPanel == panelLogs {
+	if m.focusedPanel == panelLogs {
 		if msg.Button == tea.MouseButtonWheelUp {
 			m.scrollLogs(-3)
 		} else {
@@ -339,7 +348,7 @@ func (m *Model) handleMouse(msg tea.MouseMsg) (tea.Model, tea.Cmd) {
 		}
 	}
 	m.syncSelectedID()
-	if m.detailOpen && m.currentTab == tabMonitors && m.cursor < len(m.sites) {
+	if m.detailOpen && m.cursor < len(m.sites) {
 		return m, m.loadDetailCmd(m.sites[m.cursor].ID)
 	}
 	return m, nil
@@ -366,6 +375,10 @@ func (m *Model) handleKey(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
 		return m.handleSLAKey(msg)
 	case stateAlertDetail:
 		return m.handleAlertDetailKey(msg)
+	case stateSettings:
+		return m.handleSettingsKey(msg)
+	case stateMaintDetail:
+		return m.handleMaintDetailKey(msg)
 	case stateDashboard:
 		return m.handleDashboardKey(msg)
 	}
@@ -565,10 +578,149 @@ func (m *Model) handleHistoryKey(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
 	return m, nil
 }
 
+func (m *Model) handleMaintDetailKey(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
+	mw := m.findMaintWindow(m.maintDetailID)
+	switch msg.String() {
+	case "q", "esc":
+		m.state = stateDashboard
+		m.focusedPanel = panelMaint
+	case "x":
+		if mw != nil {
+			now := time.Now()
+			isActive := !mw.StartTime.After(now) && (mw.EndTime.IsZero() || mw.EndTime.After(now))
+			if isActive {
+				st := m.store
+				ctx := m.ctx
+				id := mw.ID
+				m.state = stateDashboard
+				m.focusedPanel = panelMaint
+				m.refreshLive()
+				return m, writeCmd("End maintenance", func() error {
+					return st.EndMaintenanceWindow(ctx, id)
+				})
+			}
+		}
+	case "d":
+		if mw != nil {
+			m.deleteID = mw.ID
+			m.deleteName = mw.Title
+			m.deleteKind = "maint"
+			m.state = stateConfirmDelete
+		}
+	case "ctrl+c":
+		return m, tea.Quit
+	}
+	return m, nil
+}
+
+func (m Model) findMaintWindow(id int) *models.MaintenanceWindow {
+	for i := range m.maintenanceWindows {
+		if m.maintenanceWindows[i].ID == id {
+			return &m.maintenanceWindows[i]
+		}
+	}
+	return nil
+}
+
 func (m *Model) handleAlertDetailKey(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
 	switch msg.String() {
 	case "q", "i", "esc":
+		if m.returnState == stateSettings {
+			m.state = stateSettings
+		} else {
+			m.state = stateDashboard
+		}
+	}
+	return m, nil
+}
+
+func (m *Model) handleSettingsKey(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
+	switch msg.String() {
+	case "esc", "S":
 		m.state = stateDashboard
+	case "ctrl+c":
+		return m, tea.Quit
+	case "left":
+		m.switchSettingsSection(m.settingsSection - 1)
+		m.settingsCursor = 0
+		m.settingsOffset = 0
+	case "right":
+		m.switchSettingsSection(m.settingsSection + 1)
+		m.settingsCursor = 0
+		m.settingsOffset = 0
+	case "up", "k":
+		if m.settingsCursor > 0 {
+			m.settingsCursor--
+			if m.settingsCursor < m.settingsOffset {
+				m.settingsOffset = m.settingsCursor
+			}
+		}
+	case "down", "j":
+		max := m.settingsListLen() - 1
+		if m.settingsCursor < max {
+			m.settingsCursor++
+			if m.settingsCursor >= m.settingsOffset+m.maxTableRows {
+				m.settingsOffset++
+			}
+		}
+	case "n":
+		m.editID = 0
+		m.editToken = ""
+		m.returnState = stateSettings
+		switch m.settingsSection {
+		case sectionAlerts:
+			m.state = stateFormAlert
+			return m, m.initAlertHuhForm()
+		case sectionUsers:
+			if m.isAdmin {
+				m.state = stateFormUser
+				return m, m.initUserHuhForm()
+			}
+		}
+	case "e":
+		m.returnState = stateSettings
+		switch m.settingsSection {
+		case sectionAlerts:
+			if len(m.alerts) > 0 && m.settingsCursor < len(m.alerts) {
+				m.editID = m.alerts[m.settingsCursor].ID
+				m.state = stateFormAlert
+				return m, m.initAlertHuhForm()
+			}
+		case sectionUsers:
+			if m.isAdmin && len(m.users) > 0 && m.settingsCursor < len(m.users) {
+				m.editID = m.users[m.settingsCursor].ID
+				m.state = stateFormUser
+				return m, m.initUserHuhForm()
+			}
+		}
+	case "d":
+		m.returnState = stateSettings
+		switch m.settingsSection {
+		case sectionAlerts:
+			if len(m.alerts) > 0 && m.settingsCursor < len(m.alerts) {
+				m.deleteID = m.alerts[m.settingsCursor].ID
+				m.deleteName = m.alerts[m.settingsCursor].Name
+				m.deleteKind = "alert"
+				m.state = stateConfirmDelete
+			}
+		case sectionUsers:
+			if m.isAdmin && len(m.users) > 0 && m.settingsCursor < len(m.users) {
+				m.deleteID = m.users[m.settingsCursor].ID
+				m.deleteName = m.users[m.settingsCursor].Username
+				m.deleteKind = "user"
+				m.state = stateConfirmDelete
+			}
+		}
+	case "t":
+		if m.settingsSection == sectionAlerts && len(m.alerts) > 0 && m.settingsCursor < len(m.alerts) {
+			a := m.alerts[m.settingsCursor]
+			return m, m.testAlertCmd(a.ID, a.Name)
+		}
+	case "i":
+		if m.settingsSection == sectionAlerts && len(m.alerts) > 0 && m.settingsCursor < len(m.alerts) {
+			m.returnState = stateSettings
+			m.state = stateAlertDetail
+		}
 	}
 	return m, nil
 }
@@ -578,54 +730,46 @@ func (m *Model) handleDashboardKey(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
 	case "q":
 		return m, tea.Quit
 	case "/":
-		if m.currentTab == tabMonitors {
+		m.filterMode = true
-			m.filterMode = true
+		m.recalcLayout()
-			m.recalcLayout()
+		return m, nil
-			return m, nil
-		}
 	case ">", ".":
-		if m.currentTab == tabMonitors {
+		m.sortColumn = (m.sortColumn + 1) % sortMax
-			m.sortColumn = (m.sortColumn + 1) % sortMax
+		m.sortAsc = false
-			m.sortAsc = false
+		m.refreshLive()
-			m.refreshLive()
-		}
 	case "<", ",":
-		if m.currentTab == tabMonitors {
+		m.sortColumn = (m.sortColumn - 1 + sortMax) % sortMax
-			m.sortColumn = (m.sortColumn - 1 + sortMax) % sortMax
+		m.sortAsc = false
-			m.sortAsc = false
+		m.refreshLive()
-			m.refreshLive()
-		}
 	case "r":
-		if m.currentTab == tabMonitors {
+		m.sortAsc = !m.sortAsc
-			m.sortAsc = !m.sortAsc
+		m.refreshLive()
-			m.refreshLive()
+	case "m":
-		}
+		if m.termWidth >= wideBreakpoint {
-	case "tab":
+			if m.focusedPanel == panelMaint {
-		m.switchTab(m.currentTab + 1)
+				m.maintOpen = false
-	case "left":
-		if m.currentTab == tabSettings {
-			m.switchSettingsSection(m.settingsSection - 1)
-		}
-	case "right":
-		if m.currentTab == tabSettings {
-			m.switchSettingsSection(m.settingsSection + 1)
-		}
-	case "l":
-		switch m.currentTab {
-		case tabSettings:
-			m.switchSettingsSection(m.settingsSection + 1)
-		case tabMonitors:
-			if m.focusedPanel == panelLogs {
-				m.logsOpen = false
 				m.focusedPanel = panelMonitors
 			} else {
-				m.logsOpen = true
+				m.maintOpen = true
-				m.focusedPanel = panelLogs
+				m.focusedPanel = panelMaint
 			}
 			m.recalcLayout()
 		}
+	case "l":
+		if m.focusedPanel == panelLogs {
+			m.logsOpen = false
+			m.focusedPanel = panelMonitors
+		} else {
+			m.logsOpen = true
+			m.focusedPanel = panelLogs
+		}
+		m.recalcLayout()
 	case "up", "k":
-		if m.currentTab == tabMonitors && m.focusedPanel == panelLogs {
+		if m.focusedPanel == panelMaint {
+			m.scrollMaintCursor(-1)
+			return m, nil
+		}
+		if m.focusedPanel == panelLogs {
 			m.scrollLogs(-1)
 			return m, nil
 		}
@@ -635,12 +779,16 @@ func (m *Model) handleDashboardKey(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
 				m.tableOffset = m.cursor
 			}
 			m.syncSelectedID()
-			if m.detailOpen && m.currentTab == tabMonitors && m.cursor < len(m.sites) {
+			if m.detailOpen && m.cursor < len(m.sites) {
 				return m, m.loadDetailCmd(m.sites[m.cursor].ID)
 			}
 		}
 	case "down", "j":
-		if m.currentTab == tabMonitors && m.focusedPanel == panelLogs {
+		if m.focusedPanel == panelMaint {
+			m.scrollMaintCursor(1)
+			return m, nil
+		}
+		if m.focusedPanel == panelLogs {
 			m.scrollLogs(1)
 			return m, nil
 		}
@@ -651,33 +799,39 @@ func (m *Model) handleDashboardKey(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
 				m.tableOffset++
 			}
 			m.syncSelectedID()
-			if m.detailOpen && m.currentTab == tabMonitors && m.cursor < len(m.sites) {
+			if m.detailOpen && m.cursor < len(m.sites) {
 				return m, m.loadDetailCmd(m.sites[m.cursor].ID)
 			}
 		}
 	case "n":
+		if m.focusedPanel == panelMaint {
+			m.state = stateFormMaint
+			return m, m.initMaintHuhForm()
+		}
 		return m.handleNewItem()
 	case "enter":
-		if m.currentTab == tabMonitors && m.focusedPanel == panelLogs {
+		if m.focusedPanel == panelMaint {
+			windows := m.activeMaintWindows()
+			if m.maintCursor < len(windows) {
+				m.maintDetailID = windows[m.maintCursor].ID
+				m.state = stateMaintDetail
+			}
+			return m, nil
+		}
+		if m.focusedPanel == panelLogs {
 			m.refreshLogContent()
 			m.logViewport.GotoTop()
 			m.state = stateLogs
 			return m, nil
 		}
-		if m.currentTab == tabMonitors && len(m.sites) > 0 {
+		if len(m.sites) > 0 {
 			m.state = stateDetail
 			return m, m.loadDetailCmd(m.sites[m.cursor].ID)
 		}
-		return m.handleEditItem()
 	case "e":
 		return m.handleEditItem()
-	case "t":
-		if m.currentTab == tabSettings && m.settingsSection == sectionAlerts && len(m.alerts) > 0 {
-			a := m.alerts[m.cursor]
-			return m, m.testAlertCmd(a.ID, a.Name)
-		}
 	case " ":
-		if m.currentTab == tabMonitors && len(m.sites) > 0 && m.sites[m.cursor].Type == "group" {
+		if len(m.sites) > 0 && m.sites[m.cursor].Type == "group" {
 			gid := m.sites[m.cursor].ID
 			m.collapsed[gid] = !m.collapsed[gid]
 			payload := collapsedJSON(m.collapsed)
@@ -689,7 +843,7 @@ func (m *Model) handleDashboardKey(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
 			})
 		}
 	case "p":
-		if m.currentTab == tabMonitors && len(m.sites) > 0 {
+		if len(m.sites) > 0 {
 			id := m.sites[m.cursor].ID
 			paused := m.engine.ToggleSitePause(id)
 			st := m.store
@@ -700,7 +854,7 @@ func (m *Model) handleDashboardKey(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
 			})
 		}
 	case "i":
-		if m.currentTab == tabMonitors && len(m.sites) > 0 {
+		if len(m.sites) > 0 {
 			m.detailOpen = !m.detailOpen
 			m.recalcLayout()
 			st := m.store
@@ -721,25 +875,21 @@ func (m *Model) handleDashboardKey(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
 				return m, tea.Batch(cmd, saveCmd)
 			}
 			return m, saveCmd
-		} else if m.currentTab == tabSettings && m.settingsSection == sectionAlerts && len(m.alerts) > 0 {
-			m.state = stateAlertDetail
 		}
 	case "esc":
-		if m.currentTab == tabMonitors {
+		if m.focusedPanel != panelMonitors {
-			if m.focusedPanel != panelMonitors {
+			m.focusedPanel = panelMonitors
-				m.focusedPanel = panelMonitors
+		} else if m.detailOpen {
-			} else if m.detailOpen {
+			m.detailOpen = false
-				m.detailOpen = false
+			m.recalcLayout()
-				m.recalcLayout()
+			st := m.store
-				st := m.store
+			ctx := m.ctx
-				ctx := m.ctx
+			return m, writeCmd("Save detail preference", func() error {
-				return m, writeCmd("Save detail preference", func() error {
+				return st.SetPreference(ctx, "detail_open", "false")
-					return st.SetPreference(ctx, "detail_open", "false")
+			})
-				})
-			}
 		}
 	case "h":
-		if m.detailOpen && m.currentTab == tabMonitors && m.cursor < len(m.sites) {
+		if m.detailOpen && m.cursor < len(m.sites) {
 			site := m.sites[m.cursor]
 			m.historySiteName = site.Name
 			m.historySiteID = site.ID
@@ -753,24 +903,32 @@ func (m *Model) handleDashboardKey(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
 			return m, m.loadHistoryCmd(site.ID)
 		}
 	case "s":
-		if m.detailOpen && m.currentTab == tabMonitors && m.cursor < len(m.sites) {
+		if m.detailOpen && m.cursor < len(m.sites) {
 			return m, m.openSLAView(m.sites[m.cursor])
 		}
 	case "x":
-		if m.currentTab == tabMaint && len(m.maintenanceWindows) > 0 {
+		if m.focusedPanel == panelMaint {
-			mw := m.maintenanceWindows[m.cursor]
+			windows := m.activeMaintWindows()
-			now := time.Now()
+			if m.maintCursor < len(windows) {
-			isActive := !mw.StartTime.After(now) && (mw.EndTime.IsZero() || mw.EndTime.After(now))
+				mw := windows[m.maintCursor]
-			if isActive {
+				now := time.Now()
-				st := m.store
+				isActive := !mw.StartTime.After(now) && (mw.EndTime.IsZero() || mw.EndTime.After(now))
-				ctx := m.ctx
+				if isActive {
-				id := mw.ID
+					st := m.store
-				m.refreshLive()
+					ctx := m.ctx
-				return m, writeCmd("End maintenance", func() error {
+					id := mw.ID
-					return st.EndMaintenanceWindow(ctx, id)
+					m.refreshLive()
-				})
+					return m, writeCmd("End maintenance", func() error {
+						return st.EndMaintenanceWindow(ctx, id)
+					})
+				}
 			}
 		}
+	case "S":
+		m.settingsCursor = 0
+		m.settingsOffset = 0
+		m.state = stateSettings
+		return m, nil
 	case "T":
 		m.themeIndex = (m.themeIndex + 1) % len(themes)
 		m.theme = themes[m.themeIndex]
@@ -782,6 +940,17 @@ func (m *Model) handleDashboardKey(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
 			return st.SetPreference(ctx, "theme", name)
 		})
 	case "d":
+		if m.focusedPanel == panelMaint {
+			windows := m.activeMaintWindows()
+			if m.maintCursor < len(windows) {
+				mw := windows[m.maintCursor]
+				m.deleteID = mw.ID
+				m.deleteName = mw.Title
+				m.deleteKind = "maint"
+				m.state = stateConfirmDelete
+			}
+			return m, nil
+		}
 		return m.handleDeleteItem()
 	}
 	return m, nil
@@ -790,162 +959,76 @@ func (m *Model) handleDashboardKey(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
 func (m *Model) handleNewItem() (tea.Model, tea.Cmd) {
 	m.editID = 0
 	m.editToken = ""
-	switch m.currentTab {
+	m.state = stateFormSite
-	case tabMonitors:
+	return m, m.initSiteHuhForm()
-		m.state = stateFormSite
-		return m, m.initSiteHuhForm()
-	case tabMaint:
-		m.state = stateFormMaint
-		return m, m.initMaintHuhForm()
-	case tabSettings:
-		switch m.settingsSection {
-		case sectionAlerts:
-			m.state = stateFormAlert
-			return m, m.initAlertHuhForm()
-		case sectionUsers:
-			if m.isAdmin {
-				m.state = stateFormUser
-				return m, m.initUserHuhForm()
-			}
-		}
-	}
-	return m, nil
 }
 
 func (m *Model) handleEditItem() (tea.Model, tea.Cmd) {
-	switch m.currentTab {
+	if len(m.sites) > 0 {
-	case tabMonitors:
+		m.editID = m.sites[m.cursor].ID
-		if len(m.sites) > 0 {
+		m.editToken = m.sites[m.cursor].Token
-			m.editID = m.sites[m.cursor].ID
+		m.state = stateFormSite
-			m.editToken = m.sites[m.cursor].Token
+		return m, m.initSiteHuhForm()
-			m.state = stateFormSite
-			return m, m.initSiteHuhForm()
-		}
-	case tabSettings:
-		switch m.settingsSection {
-		case sectionAlerts:
-			if len(m.alerts) > 0 {
-				m.editID = m.alerts[m.cursor].ID
-				m.state = stateFormAlert
-				return m, m.initAlertHuhForm()
-			}
-		case sectionUsers:
-			if m.isAdmin && len(m.users) > 0 {
-				m.editID = m.users[m.cursor].ID
-				m.state = stateFormUser
-				return m, m.initUserHuhForm()
-			}
-		}
 	}
 	return m, nil
 }
 
 func (m *Model) handleDeleteItem() (tea.Model, tea.Cmd) {
-	switch m.currentTab {
+	if len(m.sites) > 0 {
-	case tabMonitors:
+		m.deleteID = m.sites[m.cursor].ID
-		if len(m.sites) > 0 {
+		m.deleteName = m.sites[m.cursor].Name
-			m.deleteID = m.sites[m.cursor].ID
+		m.deleteKind = "site"
-			m.deleteName = m.sites[m.cursor].Name
+		m.state = stateConfirmDelete
-			m.deleteTab = tabMonitors
-			m.state = stateConfirmDelete
-		}
-	case tabMaint:
-		if len(m.maintenanceWindows) > 0 {
-			m.deleteID = m.maintenanceWindows[m.cursor].ID
-			m.deleteName = m.maintenanceWindows[m.cursor].Title
-			m.deleteTab = tabMaint
-			m.state = stateConfirmDelete
-		}
-	case tabSettings:
-		switch m.settingsSection {
-		case sectionAlerts:
-			if len(m.alerts) > 0 {
-				m.deleteID = m.alerts[m.cursor].ID
-				m.deleteName = m.alerts[m.cursor].Name
-				m.deleteTab = tabSettings
-				m.state = stateConfirmDelete
-			}
-		case sectionUsers:
-			if m.isAdmin && len(m.users) > 0 {
-				m.deleteID = m.users[m.cursor].ID
-				m.deleteName = m.users[m.cursor].Username
-				m.deleteTab = tabSettings
-				m.state = stateConfirmDelete
-			}
-		}
 	}
 	return m, nil
 }
 
 func (m *Model) handleClick(msg tea.MouseMsg) (tea.Model, tea.Cmd) {
-	tabCount := tabSettings + 1
+	sortZones := []struct {
-	for i := 0; i < tabCount; i++ {
+		zone string
-		if m.zones.Get(fmt.Sprintf("tab-%d", i)).InBounds(msg) {
+		col  int
-			m.switchTab(i)
+	}{
-			return m, nil
+		{"sort-status", sortStatus},
-		}
+		{"sort-name", sortName},
+		{"sort-latency", sortLatency},
 	}
-
+	for _, sz := range sortZones {
-	if m.currentTab == tabSettings {
+		if m.zones.Get(sz.zone).InBounds(msg) {
-		maxSec := 1
+			if m.sortColumn == sz.col {
-		if m.isAdmin {
+				m.sortAsc = !m.sortAsc
-			maxSec = 2
+			} else {
-		}
+				m.sortColumn = sz.col
-		for i := 0; i <= maxSec; i++ {
+				m.sortAsc = false
-			if m.zones.Get(fmt.Sprintf("section-%d", i)).InBounds(msg) {
-				m.switchSettingsSection(i)
-				return m, nil
 			}
-		}
+			m.refreshLive()
-	}
-
-	if m.currentTab == tabMonitors {
-		sortZones := []struct {
-			zone string
-			col  int
-		}{
-			{"sort-status", sortStatus},
-			{"sort-name", sortName},
-			{"sort-latency", sortLatency},
-		}
-		for _, sz := range sortZones {
-			if m.zones.Get(sz.zone).InBounds(msg) {
-				if m.sortColumn == sz.col {
-					m.sortAsc = !m.sortAsc
-				} else {
-					m.sortColumn = sz.col
-					m.sortAsc = false
-				}
-				m.refreshLive()
-				return m, nil
-			}
-		}
-
-		if m.zones.Get("panel-monitors").InBounds(msg) {
-			m.focusedPanel = panelMonitors
-		} else if m.zones.Get("panel-logs").InBounds(msg) {
-			m.focusedPanel = panelLogs
-			return m, nil
-		} else if m.detailOpen && m.zones.Get("panel-detail").InBounds(msg) {
-			m.focusedPanel = panelDetail
 			return m, nil
 		}
 	}
 
-	prefix, listLen := m.currentZonePrefix()
+	if m.maintOpen && m.zones.Get("panel-maint").InBounds(msg) {
+		m.focusedPanel = panelMaint
+		return m, nil
+	} else if m.zones.Get("panel-monitors").InBounds(msg) {
+		m.focusedPanel = panelMonitors
+	} else if m.zones.Get("panel-logs").InBounds(msg) {
+		m.focusedPanel = panelLogs
+		return m, nil
+	} else if m.detailOpen && m.zones.Get("panel-detail").InBounds(msg) {
+		m.focusedPanel = panelDetail
+		return m, nil
+	}
+
 	end := m.tableOffset + m.maxTableRows
-	if end > listLen {
+	if end > len(m.sites) {
-		end = listLen
+		end = len(m.sites)
 	}
 	for i := m.tableOffset; i < end; i++ {
-		if m.zones.Get(fmt.Sprintf("%s-%d", prefix, i)).InBounds(msg) {
+		if m.zones.Get(fmt.Sprintf("site-%d", i)).InBounds(msg) {
 			m.cursor = i
 			m.syncSelectedID()
-			if m.currentTab == tabMonitors {
+			m.focusedPanel = panelMonitors
-				m.focusedPanel = panelMonitors
+			if m.detailOpen {
-				if m.detailOpen {
+				return m, m.loadDetailCmd(m.sites[m.cursor].ID)
-					return m, m.loadDetailCmd(m.sites[m.cursor].ID)
-				}
 			}
 			return m, nil
 		}
@@ -954,17 +1037,6 @@ func (m *Model) handleClick(msg tea.MouseMsg) (tea.Model, tea.Cmd) {
 	return m, nil
 }
 
-func (m *Model) switchTab(idx int) {
-	maxTabs := tabSettings
-	if idx > maxTabs {
-		idx = 0
-	}
-	m.currentTab = idx
-	m.cursor = 0
-	m.tableOffset = 0
-	m.state = stateDashboard
-}
-
 func (m *Model) adjustCursor(_ int) {
 	m.clampCursor()
 }
@@ -992,37 +1064,5 @@ func (m *Model) submitForm() tea.Cmd {
 }
 
 func (m Model) currentListLen() int {
-	switch m.currentTab {
+	return len(m.sites)
-	case tabMonitors:
-		return len(m.sites)
-	case tabMaint:
-		return len(m.maintenanceWindows)
-	case tabSettings:
-		switch m.settingsSection {
-		case sectionAlerts:
-			return len(m.alerts)
-		case sectionNodes:
-			return len(m.nodes)
-		case sectionUsers:
-			return len(m.users)
-		}
-	}
-	return 0
-}
-
-func (m Model) currentZonePrefix() (string, int) {
-	switch m.currentTab {
-	case tabMonitors:
-		return "site", len(m.sites)
-	case tabMaint:
-		return "maint", len(m.maintenanceWindows)
-	case tabSettings:
-		switch m.settingsSection {
-		case sectionAlerts:
-			return "alert", len(m.alerts)
-		case sectionUsers:
-			return "user", len(m.users)
-		}
-	}
-	return "site", 0
 }

internal/tui/update_test.go

@@ -266,7 +266,7 @@ func TestConfirmDelete_WritesOffUIGoroutine(t *testing.T) {
 	m := newTestModel(ms)
 	m.sites = []models.Site{{SiteConfig: models.SiteConfig{ID: 4, Name: "s"}}}
 	m.state = stateConfirmDelete
-	m.deleteTab = 0
+	m.deleteKind = "site"
 	m.deleteID = 4
 
 	updated, cmd := (&m).handleConfirmDelete(keyMsg("y"))

internal/tui/view_dashboard.go

@@ -47,16 +47,13 @@ func (m Model) View() string {
 	switch m.state {
 	case stateConfirmDelete:
 		kind := "monitor"
-		switch m.deleteTab {
+		switch m.deleteKind {
-		case tabMaint:
+		case "maint":
 			kind = "maintenance window"
-		case tabSettings:
+		case "alert":
-			switch m.settingsSection {
+			kind = "alert"
-			case sectionAlerts:
+		case "user":
-				kind = "alert"
+			kind = "user"
-			case sectionUsers:
-				kind = "user"
-			}
 		}
 		msg := m.st.dangerStyle.Render(fmt.Sprintf("Delete %s \"%s\"?", kind, m.deleteName))
 		hint := m.st.subtleStyle.Render("[y] Confirm  [n] Cancel")
@@ -103,6 +100,10 @@ func (m Model) View() string {
 		return m.viewSLAPanel()
 	case stateAlertDetail:
 		return m.viewAlertDetailPanel()
+	case stateSettings:
+		return m.viewSettingsOverlay()
+	case stateMaintDetail:
+		return m.viewMaintDetailPanel()
 	default:
 		return m.zones.Scan(m.viewDashboard())
 	}
@@ -148,63 +149,68 @@ func (m Model) computeStats() dashboardStats {
 	return s
 }
 
+const maintSidebarW = 22
+
+func (m Model) viewMonitorsLayout() string {
+	availW := m.termWidth - chromePadH
+	wide := m.termWidth >= wideBreakpoint
+
+	showMaint := m.maintOpen && wide
+	showLogs := m.logsOpen && wide
+
+	var maintW, logsW, monW int
+	if showMaint {
+		maintW = maintSidebarW
+		if maintW > availW/4 {
+			maintW = availW / 4
+		}
+	}
+	remaining := availW - maintW
+	if showLogs {
+		monW = remaining * 70 / 100
+		logsW = remaining - monW
+	} else {
+		monW = remaining
+	}
+
+	m.contentWidth = monW - 2
+
+	monitors := m.viewSitesTab()
+	monPanel := m.zones.Mark("panel-monitors", m.titledPanel("Monitors", monitors, monW, m.focusedPanel == panelMonitors))
+
+	var topParts []string
+	if showMaint {
+		sidebar := m.viewMaintSidebar(maintW-2, m.maxTableRows)
+		maintPanel := m.zones.Mark("panel-maint", m.titledPanel("Maint", sidebar, maintW, m.focusedPanel == panelMaint))
+		topParts = append(topParts, maintPanel)
+	}
+	topParts = append(topParts, monPanel)
+	if showLogs {
+		logContent := m.viewLogsSidebar(logsW-2, m.maxTableRows)
+		logPanel := m.zones.Mark("panel-logs", m.titledPanel("Logs", logContent, logsW, m.focusedPanel == panelLogs))
+		topParts = append(topParts, logPanel)
+	}
+
+	top := lipgloss.JoinHorizontal(lipgloss.Top, topParts...)
+
+	if m.detailOpen {
+		site := ""
+		if m.cursor < len(m.sites) {
+			site = m.sites[m.cursor].Name
+		}
+		detail := m.viewDetailInline(availW - 2)
+		detailPanel := m.zones.Mark("panel-detail", m.titledPanel(site, detail, availW, m.focusedPanel == panelDetail))
+		return top + "\n" + detailPanel
+	}
+	return top
+}
+
 func (m Model) viewDashboard() string {
 	stats := m.computeStats()
 
-	header := m.renderTabBar(stats)
+	header := m.renderStatusLine(stats)
-	header = m.pulseIndicator() + " " + header
 
-	var content string
+	content := m.viewMonitorsLayout()
-	switch m.currentTab {
-	case tabMonitors:
-		showSidebar := m.termWidth >= wideBreakpoint && m.logsOpen
-		if showSidebar {
-			availW := m.termWidth - chromePadH
-			leftW := availW * 70 / 100
-			rightW := availW - leftW
-			m.contentWidth = leftW - 2
-			monitors := m.viewSitesTab()
-			monPanel := m.zones.Mark("panel-monitors", m.titledPanel("Monitors", monitors, leftW, m.focusedPanel == panelMonitors))
-			sidebarContent := m.viewLogsSidebar(rightW-2, m.maxTableRows)
-			logPanel := m.zones.Mark("panel-logs", m.titledPanel("Logs", sidebarContent, rightW, m.focusedPanel == panelLogs))
-			top := lipgloss.JoinHorizontal(lipgloss.Top, monPanel, logPanel)
-			if m.detailOpen {
-				site := ""
-				if m.cursor < len(m.sites) {
-					site = m.sites[m.cursor].Name
-				}
-				detail := m.viewDetailInline(availW - 2)
-				detailPanel := m.zones.Mark("panel-detail", m.titledPanel(site, detail, availW, m.focusedPanel == panelDetail))
-				content = top + "\n" + detailPanel
-			} else {
-				content = top
-			}
-		} else {
-			m.contentWidth = m.termWidth - 2
-			monitors := m.viewSitesTab()
-			availW := m.termWidth - chromePadH
-			monPanel := m.zones.Mark("panel-monitors", m.titledPanel("Monitors", monitors, availW, m.focusedPanel == panelMonitors))
-			if m.detailOpen {
-				site := ""
-				if m.cursor < len(m.sites) {
-					site = m.sites[m.cursor].Name
-				}
-				detail := m.viewDetailInline(availW - 2)
-				detailPanel := m.zones.Mark("panel-detail", m.titledPanel(site, detail, availW, m.focusedPanel == panelDetail))
-				content = monPanel + "\n" + detailPanel
-			} else {
-				content = monPanel
-			}
-		}
-	case tabMaint:
-		m.contentWidth = m.termWidth
-		availW := m.termWidth - chromePadH
-		content = m.titledPanel("Maintenance", m.viewMaintTab(), availW, true)
-	case tabSettings:
-		m.contentWidth = m.termWidth
-		availW := m.termWidth - chromePadH
-		content = m.titledPanel("Settings", m.viewSettingsTab(), availW, true)
-	}
 
 	content = strings.TrimSpace(content)
 	footer := m.renderFooter(stats)
@@ -216,74 +222,17 @@ func (m Model) viewDashboard() string {
 		availHeight = 5
 	}
 
-	divW := m.termWidth - chromePadH
+	contentHeight := availHeight - lipgloss.Height(header) - lipgloss.Height(footer)
-	if divW < 40 {
-		divW = 40
-	}
-	tabDivider := m.st.subtleStyle.Render(strings.Repeat("─", divW))
-
-	contentHeight := availHeight - lipgloss.Height(header) - 1 - lipgloss.Height(footer)
 	if contentHeight < 1 {
 		contentHeight = 1
 	}
 	paddedContent := lipgloss.NewStyle().Height(contentHeight).MaxHeight(contentHeight).Render(content)
 
-	return outerPad.Render(lipgloss.JoinVertical(lipgloss.Top, header, tabDivider, paddedContent, footer))
+	return outerPad.Render(lipgloss.JoinVertical(lipgloss.Top, header, paddedContent, footer))
 }
 
-type tabEntry struct {
+func (m Model) renderStatusLine(stats dashboardStats) string {
-	name  string
+	dot := m.st.subtleStyle.Render(" · ")
-	count int
-	warn  int
-}
-
-func (m Model) renderTabBar(stats dashboardStats) string {
-	settingsCount := len(m.alerts) + len(m.nodes)
-	settingsWarn := stats.offlineNodes
-	for _, a := range m.alerts {
-		h := m.engine.GetAlertHealth(a.ID)
-		if !h.LastSendOK && !h.LastSendAt.IsZero() {
-			settingsWarn++
-		}
-	}
-	if m.isAdmin {
-		settingsCount += len(m.users)
-	}
-	tabs := []tabEntry{
-		{"Monitors", stats.totalMonitors, stats.downCount + stats.lateCount},
-		{"Maint", len(m.maintenanceWindows), stats.activeMaint},
-		{"Settings", settingsCount, settingsWarn},
-	}
-
-	countStyle := lipgloss.NewStyle().Foreground(m.theme.Muted)
-
-	var renderedTabs []string
-	for i, t := range tabs {
-		label := t.name
-		if t.count > 0 {
-			badge := countStyle.Render(fmt.Sprintf(" %d", t.count))
-			if t.warn > 0 {
-				badge = m.st.dangerStyle.Render(fmt.Sprintf(" %d", t.warn))
-			}
-			label += badge
-		}
-
-		var rendered string
-		if i == m.currentTab {
-			rendered = m.st.activeTab.Render(label)
-		} else {
-			rendered = m.st.inactiveTab.Render(label)
-		}
-		renderedTabs = append(renderedTabs, m.zones.Mark(fmt.Sprintf("tab-%d", i), rendered))
-	}
-	return lipgloss.JoinHorizontal(lipgloss.Top, renderedTabs...)
-}
-
-func (m Model) renderFooter(stats dashboardStats) string {
-	if m.filterMode {
-		cursor := lipgloss.NewStyle().Foreground(m.theme.Accent).Render("│")
-		return "\n" + m.st.titleStyle.Render("/") + " " + m.filterText + cursor + "  " + m.st.subtleStyle.Render("[Enter]Apply [Esc]Clear")
-	}
 
 	upCount := stats.totalMonitors - stats.downCount - stats.lateCount
 	var upStr string
@@ -294,9 +243,14 @@ func (m Model) renderFooter(stats dashboardStats) string {
 	} else {
 		upStr = m.st.specialStyle.Render(fmt.Sprintf("%d/%d UP", upCount, stats.totalMonitors))
 	}
-	statusParts := []string{upStr}
+
+	parts := []string{m.pulseIndicator() + " " + upStr}
+
 	if stats.lateCount > 0 {
-		statusParts = append(statusParts, m.st.warnStyle.Render(fmt.Sprintf("%d LATE", stats.lateCount)))
+		parts = append(parts, m.st.warnStyle.Render(fmt.Sprintf("%d late", stats.lateCount)))
+	}
+	if stats.activeMaint > 0 {
+		parts = append(parts, m.st.maintStyle.Render(fmt.Sprintf("%d maint", stats.activeMaint)))
 	}
 	if len(m.nodes) > 0 {
 		online := 0
@@ -305,48 +259,45 @@ func (m Model) renderFooter(stats dashboardStats) string {
 				online++
 			}
 		}
-		probeLabel := "probes"
+		label := "probes"
 		if online == 1 {
-			probeLabel = "probe"
+			label = "probe"
 		}
-		statusParts = append(statusParts, fmt.Sprintf("%d %s", online, probeLabel))
+		parts = append(parts, fmt.Sprintf("%d %s", online, label))
+	}
+
+	left := strings.Join(parts, dot)
+	ver := m.st.subtleStyle.Render("v" + m.version)
+
+	padW := m.termWidth - chromePadH - lipgloss.Width(left) - lipgloss.Width(ver)
+	if padW < 2 {
+		padW = 2
+	}
+
+	return left + strings.Repeat(" ", padW) + ver
+}
+
+func (m Model) renderFooter(_ dashboardStats) string {
+	if m.filterMode {
+		cursor := lipgloss.NewStyle().Foreground(m.theme.Accent).Render("│")
+		return "\n" + m.st.titleStyle.Render("/") + " " + m.filterText + cursor + "  " + m.st.subtleStyle.Render("[Enter]Apply [Esc]Clear")
 	}
-	statusLine := strings.Join(statusParts, m.st.subtleStyle.Render(" · "))
 
 	var keys string
-	switch m.currentTab {
+	if m.focusedPanel == panelMaint {
-	case tabMonitors:
+		keys = "[n]New [x]End [d]Del [Esc]Back [S]Settings [T]Theme [q]Quit"
-		if m.focusedPanel == panelLogs {
+	} else if m.focusedPanel == panelLogs {
-			keys = "[↑/↓]Scroll [Enter]Expand [l/Esc]Back [T]Theme [q]Quit"
+		keys = "[↑/↓]Scroll [Enter]Expand [l/Esc]Back [S]Settings [T]Theme [q]Quit"
-		} else if m.detailOpen {
+	} else if m.detailOpen {
-			keys = "[i]Close [Enter]Expand [h]History [s]SLA [e]Edit [l]Logs [↑/↓]Select [T]Theme [q]Quit"
+		keys = "[i]Close [Enter]Expand [h]History [s]SLA [e]Edit [m]Maint [l]Logs [S]Settings [T]Theme [q]Quit"
-		} else {
+	} else {
-			keys = "[/]Filter [i]Info [Enter]Detail [</>]Sort [r]Reverse [n]New [e]Edit [d]Del [l]Logs [T]Theme [Tab]Switch [q]Quit"
+		keys = "[/]Filter [i]Info [Enter]Detail [n]New [e]Edit [d]Del [m]Maint [l]Logs [S]Settings [T]Theme [q]Quit"
-		}
-	case tabMaint:
-		keys = "[n]New [x]End [d]Del [T]Theme [Tab]Switch [q]Quit"
-	case tabSettings:
-		switch m.settingsSection {
-		case sectionAlerts:
-			keys = "[n]New [e]Edit [i]Info [d]Del [t]Test [←/→]Section [T]Theme [Tab]Switch [q]Quit"
-		case sectionUsers:
-			keys = "[n]Add [d]Revoke [←/→]Section [T]Theme [Tab]Switch [q]Quit"
-		default:
-			keys = "[←/→]Section [T]Theme [Tab]Switch [q]Quit"
-		}
-	default:
-		keys = "[T]Theme [Tab]Switch [q]Quit"
 	}
 
-	ver := m.st.subtleStyle.Render("v" + m.version)
+	line := m.st.subtleStyle.Render(keys)
-	line := statusLine + "  " + m.st.subtleStyle.Render(keys) + "  " + ver
+	if m.filterText != "" {
-	if m.filterText != "" && m.currentTab == tabMonitors {
+		line = m.st.subtleStyle.Render(fmt.Sprintf("filter: %s  ", m.filterText)) + line
-		line = m.st.subtleStyle.Render(fmt.Sprintf("filter: %s", m.filterText)) + "  " + statusLine + "  " + m.st.subtleStyle.Render(keys) + "  " + ver
 	}
 
-	divW := m.termWidth - chromePadH
+	return "\n" + line
-	if divW < 40 {
-		divW = 40
-	}
-	return m.st.subtleStyle.Render(strings.Repeat("─", divW)) + "\n" + line
 }

internal/tui/view_maint_sidebar.go

@@ -0,0 +1,193 @@
+package tui
+
+import (
+	"fmt"
+	"strings"
+	"time"
+
+	"gitea.lerkolabs.com/lerkolabs/uptop/internal/models"
+	"github.com/charmbracelet/lipgloss"
+)
+
+func (m Model) viewMaintDetailPanel() string {
+	mw := m.findMaintWindow(m.maintDetailID)
+	if mw == nil {
+		return lipgloss.NewStyle().Padding(1, 2).Render(m.st.subtleStyle.Render("Maintenance window not found"))
+	}
+
+	var b strings.Builder
+
+	header := "  " + m.st.subtleStyle.Render("Maintenance >") + " " + m.st.titleStyle.Render(mw.Title)
+	b.WriteString(header + "\n")
+	b.WriteString(m.divider() + "\n")
+
+	row := func(label, value string) {
+		fmt.Fprintf(&b, "  %-16s %s\n", m.st.subtleStyle.Render(label), value)
+	}
+
+	maintType := m.st.maintStyle.Render("maintenance")
+	if mw.Type == "incident" {
+		maintType = m.st.dangerStyle.Render("incident")
+	}
+	row("Type", maintType)
+
+	now := time.Now()
+	if mw.StartTime.After(now) {
+		row("Status", m.st.warnStyle.Render("SCHEDULED"))
+	} else if !mw.EndTime.IsZero() && mw.EndTime.Before(now) {
+		row("Status", m.st.subtleStyle.Render("ENDED"))
+	} else {
+		row("Status", m.st.specialStyle.Render("ACTIVE"))
+	}
+
+	if mw.MonitorID == 0 {
+		row("Monitors", "All")
+	} else {
+		name := fmt.Sprintf("#%d", mw.MonitorID)
+		allSites := m.engine.GetAllSites()
+		for _, s := range allSites {
+			if s.ID == mw.MonitorID {
+				name = s.Name
+				break
+			}
+		}
+		row("Monitors", name)
+	}
+
+	row("Started", mw.StartTime.Format("2006-01-02 15:04"))
+	if mw.EndTime.IsZero() {
+		row("Ends", m.st.subtleStyle.Render("indefinite"))
+	} else {
+		row("Ends", mw.EndTime.Format("2006-01-02 15:04"))
+		if mw.EndTime.After(now) && !mw.StartTime.After(now) {
+			remaining := time.Until(mw.EndTime)
+			row("Remaining", fmtDuration(remaining))
+		}
+		dur := mw.EndTime.Sub(mw.StartTime)
+		row("Duration", fmtDuration(dur))
+	}
+
+	if mw.Description != "" {
+		b.WriteString("\n")
+		row("Description", mw.Description)
+	}
+
+	b.WriteString("\n" + m.divider() + "\n")
+
+	var keys []string
+	isActive := !mw.StartTime.After(now) && (mw.EndTime.IsZero() || mw.EndTime.After(now))
+	if isActive {
+		keys = append(keys, "[x] End")
+	}
+	keys = append(keys, "[d] Delete", "[q/Esc] Back")
+	b.WriteString("  " + m.st.subtleStyle.Render(strings.Join(keys, "  ")))
+
+	return lipgloss.NewStyle().Padding(1, 2).Render(b.String())
+}
+
+func (m Model) activeMaintWindows() []models.MaintenanceWindow {
+	now := time.Now()
+	var out []models.MaintenanceWindow
+	for _, mw := range m.maintenanceWindows {
+		if !mw.EndTime.IsZero() && mw.EndTime.Before(now) {
+			continue
+		}
+		out = append(out, mw)
+	}
+	return out
+}
+
+func (m Model) viewMaintSidebar(width, maxLines int) string {
+	windows := m.activeMaintWindows()
+	if len(windows) == 0 {
+		return m.st.subtleStyle.Render(" No active maintenance")
+	}
+
+	contentW := width - 2
+	if contentW < 10 {
+		contentW = 10
+	}
+
+	start := m.maintOffset
+	if start > len(windows) {
+		start = len(windows)
+	}
+	linesUsed := 0
+	end := start
+	for end < len(windows) && linesUsed+2 <= maxLines {
+		linesUsed += 2
+		end++
+	}
+
+	var lines []string
+	now := time.Now()
+	for i := start; i < end; i++ {
+		mw := windows[i]
+		selected := m.focusedPanel == panelMaint && i == m.maintCursor
+
+		isActive := !mw.StartTime.After(now) && (mw.EndTime.IsZero() || mw.EndTime.After(now))
+
+		var icon string
+		if isActive {
+			icon = m.st.specialStyle.Render("●")
+		} else {
+			icon = m.st.warnStyle.Render("○")
+		}
+
+		title := limitStr(mw.Title, contentW-3)
+		titleLine := " " + icon + " " + title
+
+		var detail string
+		if isActive {
+			if mw.EndTime.IsZero() {
+				detail = m.st.subtleStyle.Render("active · indefinite")
+			} else {
+				remaining := time.Until(mw.EndTime)
+				detail = m.st.subtleStyle.Render("active · " + fmtDuration(remaining))
+			}
+		} else {
+			detail = m.st.subtleStyle.Render(mw.StartTime.Format("Jan 02") + " · " + fmtDuration(mw.EndTime.Sub(mw.StartTime)))
+		}
+		detailLine := "   " + limitStr(detail, contentW-3)
+
+		if selected {
+			sel := m.st.tableSelectedStyle
+			titleLine = sel.Render(lipgloss.NewStyle().Width(contentW).Render(titleLine))
+			detailLine = sel.Render(lipgloss.NewStyle().Width(contentW).Render(detailLine))
+		}
+
+		lines = append(lines, titleLine, detailLine)
+	}
+
+	if len(windows) > end-start {
+		more := fmt.Sprintf(" %d more", len(windows)-(end-start))
+		lines = append(lines, m.st.subtleStyle.Render(more))
+	}
+
+	return strings.Join(lines, "\n")
+}
+
+func (m *Model) scrollMaintCursor(delta int) {
+	windows := m.activeMaintWindows()
+	total := len(windows)
+	if total == 0 {
+		return
+	}
+	m.maintCursor += delta
+	if m.maintCursor < 0 {
+		m.maintCursor = 0
+	}
+	if m.maintCursor >= total {
+		m.maintCursor = total - 1
+	}
+	if m.maintCursor < m.maintOffset {
+		m.maintOffset = m.maintCursor
+	}
+	visible := m.maxTableRows / 2
+	if visible < 1 {
+		visible = 1
+	}
+	if m.maintCursor >= m.maintOffset+visible {
+		m.maintOffset = m.maintCursor - visible + 1
+	}
+}

internal/tui/view_settings_overlay.go

@@ -0,0 +1,87 @@
+package tui
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/charmbracelet/lipgloss"
+)
+
+func (m Model) viewSettingsOverlay() string {
+	overlayW := m.termWidth - 8
+	if overlayW > 90 {
+		overlayW = 90
+	}
+	if overlayW < 40 {
+		overlayW = 40
+	}
+
+	overlayH := m.termHeight - 6
+	if overlayH < 10 {
+		overlayH = 10
+	}
+
+	savedCursor, savedOffset := m.cursor, m.tableOffset
+	savedContentW := m.contentWidth
+	m.cursor = m.settingsCursor
+	m.tableOffset = m.settingsOffset
+	m.contentWidth = overlayW - 4
+
+	content := m.viewSettingsTab()
+
+	m.cursor = savedCursor
+	m.tableOffset = savedOffset
+	m.contentWidth = savedContentW
+
+	settingsListLen := m.settingsListLen()
+	footer := m.settingsFooterKeys()
+	if settingsListLen > 0 {
+		footer = fmt.Sprintf("%d items  %s", settingsListLen, footer)
+	}
+	footerLine := m.st.subtleStyle.Render(footer)
+
+	inner := content + "\n" + footerLine
+	box := m.titledPanel("Settings", inner, overlayW, true)
+
+	boxLines := lipgloss.Height(box)
+	if boxLines > overlayH {
+		lines := splitLines(box, overlayH)
+		box = lines
+	}
+
+	return placeOverlay(box, m.termWidth, m.termHeight)
+}
+
+func (m Model) settingsFooterKeys() string {
+	switch m.settingsSection {
+	case sectionAlerts:
+		return "[n]New [e]Edit [i]Info [d]Del [t]Test [←/→]Section [Esc]Close"
+	case sectionUsers:
+		if m.isAdmin {
+			return "[n]Add [d]Revoke [←/→]Section [Esc]Close"
+		}
+		return "[←/→]Section [Esc]Close"
+	default:
+		return "[←/→]Section [Esc]Close"
+	}
+}
+
+func (m Model) settingsListLen() int {
+	switch m.settingsSection {
+	case sectionAlerts:
+		return len(m.alerts)
+	case sectionNodes:
+		return len(m.nodes)
+	case sectionUsers:
+		return len(m.users)
+	}
+	return 0
+}
+
+func splitLines(s string, maxLines int) string {
+	lines := strings.Split(s, "\n")
+	if len(lines) > maxLines {
+		lines = lines[:maxLines]
+	}
+	return strings.Join(lines, "\n")
+}