fix: content height on viewports expanding to max

internal/tui/model.go

@@ -90,10 +90,10 @@ func New(options Options) Model {
 		height:       24,
 		focus:        focusStreamers,
 		authViewport: newAuthViewport(contentWidth(defaultViewWidth), authViewportHeight(24)),
-		ircViewport:  newIRCViewport(detailViewportWidth(defaultViewWidth), detailViewportHeight(24)),
+		ircViewport:  newIRCViewport(detailViewportWidth(defaultViewWidth), detailViewportHeight(24, "")),
 		minerViewport: newMinerViewport(
 			detailViewportWidth(defaultViewWidth),
-			detailViewportHeight(24),
+			detailViewportHeight(24, ""),
 		),
 	}
 	if options.AuthState != nil {
@@ -370,9 +370,9 @@ func (m *Model) resizeComponents() {
 	m.authViewport.Width = contentWidth(m.width)
 	m.authViewport.Height = authViewportHeight(m.height)
 	m.ircViewport.Width = detailViewportWidth(m.width)
-	m.ircViewport.Height = detailViewportHeight(m.height)
+	m.ircViewport.Height = detailViewportHeight(m.height, m.ircViewportContent())
 	m.minerViewport.Width = detailViewportWidth(m.width)
-	m.minerViewport.Height = detailViewportHeight(m.height)
+	m.minerViewport.Height = detailViewportHeight(m.height, m.minerViewportContent())
 }
 
 func (m *Model) syncAuthViewport() {
@@ -388,24 +388,30 @@ func (m Model) authLogContent() string {
 }
 
 func (m *Model) syncIRCViewport(forceBottom bool) {
+	stickToBottom := forceBottom || m.ircViewport.AtBottom()
+	content := m.ircViewportContent()
+	m.ircViewport.Width = detailViewportWidth(m.width)
+	m.ircViewport.Height = detailViewportHeight(m.height, content)
 	if m.ircViewport.Width <= 0 || m.ircViewport.Height <= 0 {
 		return
 	}
 
-	stickToBottom := forceBottom || m.ircViewport.AtBottom()
-	m.ircViewport.SetContent(m.ircViewportContent())
+	m.ircViewport.SetContent(content)
 	if stickToBottom {
 		m.ircViewport.GotoBottom()
 	}
 }
 
 func (m *Model) syncMinerViewport(forceBottom bool) {
+	stickToBottom := forceBottom || m.minerViewport.AtBottom()
+	content := m.minerViewportContent()
+	m.minerViewport.Width = detailViewportWidth(m.width)
+	m.minerViewport.Height = detailViewportHeight(m.height, content)
 	if m.minerViewport.Width <= 0 || m.minerViewport.Height <= 0 {
 		return
 	}
 
-	stickToBottom := forceBottom || m.minerViewport.AtBottom()
-	m.minerViewport.SetContent(m.minerViewportContent())
+	m.minerViewport.SetContent(content)
 	if stickToBottom {
 		m.minerViewport.GotoBottom()
 	}

internal/tui/view.go

@@ -9,7 +9,10 @@ import (
 	"parasocial/internal/twitch"
 )
 
-const dashboardPanelGap = 1
+const (
+	dashboardPanelGap       = 1
+	detailPanelHeaderHeight = 2
+)
 
 // View renders either the login log screen or the authenticated streamer dashboard.
 func (m Model) View() string {
@@ -43,14 +46,16 @@ func (m Model) renderStreamerView() string {
 		rightStyle = focusedPanelStyle
 	}
 
+	leftContent := labelStyle.Render("Streamers") + "\n" + m.renderStreamerRows(streamerListHeight(m.height))
 	left := leftStyle.
 		Width(streamerListWidth(m.width)).
 		Height(panelHeight(m.height)).
-		Render(labelStyle.Render("Streamers") + "\n" + m.renderStreamerRows())
+		Render(leftContent)
+	rightContent := m.renderDetailPanel()
 	right := rightStyle.
 		Width(detailWidth(m.width)).
 		Height(panelHeight(m.height)).
-		Render(m.renderDetailPanel())
+		Render(rightContent)
 
 	body := lipgloss.JoinHorizontal(lipgloss.Top, left, strings.Repeat(" ", dashboardPanelGap), right)
 	return dashboardPageStyle.Render(header+"\n\n"+body) + "\n"
@@ -142,8 +147,8 @@ func (m Model) renderMinerTab() string {
 	return m.minerViewport.View()
 }
 
-func (m Model) renderStreamerRows() string {
-	entries := m.visibleStreamers()
+func (m Model) renderStreamerRows(maxRows int) string {
+	entries := m.visibleStreamers(maxRows)
 	if len(entries) == 0 {
 		return mutedStyle.Render("none")
 	}
@@ -163,9 +168,9 @@ func (m Model) renderStreamerRows() string {
 	return strings.Join(lines, "\n")
 }
 
-func (m Model) visibleStreamers() []twitch.StreamerEntry {
+func (m Model) visibleStreamers(maxRows int) []twitch.StreamerEntry {
 	entries := m.orderedStreamers()
-	visible := max(1, streamerListHeight(m.height))
+	visible := max(1, maxRows)
 	if len(entries) <= visible {
 		return entries
 	}
@@ -276,17 +281,17 @@ func detailViewportWidth(width int) int {
 }
 
 func streamerListHeight(height int) int {
-	if height <= 0 {
-		return 14
-	}
-	return max(4, height-10)
+	return max(1, dashboardPanelContentHeight(height)-1)
 }
 
-func detailViewportHeight(height int) int {
-	if height <= 0 {
-		return 9
+func detailViewportHeight(height int, content string) int {
+	contentHeight := max(1, lipgloss.Height(content))
+	maxBodyHeight := max(1, dashboardPanelContentHeight(height)-detailPanelHeaderHeight)
+	return max(1, min(contentHeight, maxBodyHeight))
 }
-	return max(4, panelHeight(height)-6)
+
+func dashboardPanelContentHeight(height int) int {
+	return max(1, panelHeight(height)-panelStyle.GetVerticalPadding())
 }
 
 func panelHeight(height int) int {