diff --git a/internal/tui/tab_sites.go b/internal/tui/tab_sites.go
index b88c1a8..de1d01e 100644
--- a/internal/tui/tab_sites.go
+++ b/internal/tui/tab_sites.go
@@ -82,8 +82,12 @@ func (m Model) computeLayout() tableLayout {
 	var widths []int
 	var fixed int
 
+	cw := m.contentWidth
+	if cw == 0 {
+		cw = m.termWidth
+	}
 	for _, c := range siteColumns {
-		if c.minTerm > 0 && m.termWidth < c.minTerm {
+		if c.minTerm > 0 && cw < c.minTerm {
 			continue
 		}
 		active = append(active, c.key)
@@ -104,7 +108,7 @@ func (m Model) computeLayout() tableLayout {
 
 	numCols := len(headers)
 	borderOverhead := 2 + (numCols - 1)
-	avail := m.termWidth - chromePadH - 2 - borderOverhead - fixed
+	avail := cw - chromePadH - 2 - borderOverhead - fixed
 	if avail < 20 {
 		avail = 20
 	}
diff --git a/internal/tui/table_helpers.go b/internal/tui/table_helpers.go
index 2c32182..e2dd5d8 100644
--- a/internal/tui/table_helpers.go
+++ b/internal/tui/table_helpers.go
@@ -13,7 +13,11 @@ const (
 )
 
 func (m Model) isWide() bool {
-	return m.termWidth >= wideBreakpoint
+	w := m.contentWidth
+	if w == 0 {
+		w = m.termWidth
+	}
+	return w >= wideBreakpoint
 }
 
 func (m Model) renderTable(headers []string, items int, buildRows func(start, end int) [][]string, colWidths []int, styleOverride StyleOverride) string {
@@ -35,7 +39,11 @@ func (m Model) renderTable(headers []string, items int, buildRows func(start, en
 	}
 	borderOverhead := 2 + len(colWidths) - 1
 	tableWidth := colTotal + borderOverhead
-	maxWidth := m.termWidth - chromePadH - 2
+	cw := m.contentWidth
+	if cw == 0 {
+		cw = m.termWidth
+	}
+	maxWidth := cw - chromePadH - 2
 	if tableWidth > maxWidth {
 		tableWidth = maxWidth
 	}
diff --git a/internal/tui/tui.go b/internal/tui/tui.go
index 602c2b1..7cb209e 100644
--- a/internal/tui/tui.go
+++ b/internal/tui/tui.go
@@ -123,6 +123,7 @@ type Model struct {
 	maxTableRows    int
 	termWidth       int
 	termHeight      int
+	contentWidth    int
 	editID          int
 	editToken       string
 
diff --git a/internal/tui/view_dashboard.go b/internal/tui/view_dashboard.go
index 98482e7..9f67cd0 100644
--- a/internal/tui/view_dashboard.go
+++ b/internal/tui/view_dashboard.go
@@ -152,21 +152,26 @@ func (m Model) viewDashboard() string {
 	var content string
 	switch m.currentTab {
 	case tabMonitors:
-		monitors := m.viewSitesTab()
-		if m.termWidth >= wideBreakpoint {
+		showSidebar := m.termWidth >= wideBreakpoint
+		if showSidebar {
 			availW := m.termWidth - chromePadH
 			leftW := availW * 70 / 100
 			rightW := availW - leftW
+			m.contentWidth = leftW
+			monitors := m.viewSitesTab()
 			left := lipgloss.NewStyle().Width(leftW).Render(monitors)
 			sidebar := m.viewLogsSidebar(rightW)
 			right := lipgloss.NewStyle().Width(rightW).Render(sidebar)
 			content = lipgloss.JoinHorizontal(lipgloss.Top, left, right)
 		} else {
-			content = monitors
+			m.contentWidth = m.termWidth
+			content = m.viewSitesTab()
 		}
 	case tabMaint:
+		m.contentWidth = m.termWidth
 		content = m.viewMaintTab()
 	case tabSettings:
+		m.contentWidth = m.termWidth
 		content = m.viewSettingsTab()
 	}