task 302: add shared tui styles and key bindings

1 files changed, 61 insertions, 0 deletions

diff --git a/internal/tui/styles.go b/internal/tui/styles.go
new file mode 100644
index 0000000..7bbe836
--- /dev/null
+++ b/internal/tui/styles.go
@@ -0,0 +1,61 @@
+package tui
+
+import "github.com/charmbracelet/lipgloss"
+
+var (
+	// Palette colors shared across the TUI package.
+	ColorBackground = lipgloss.Color("235")
+	ColorPanel      = lipgloss.Color("238")
+	ColorPrimary    = lipgloss.Color("75")
+	ColorAccent     = lipgloss.Color("222")
+	ColorMuted      = lipgloss.Color("246")
+	ColorText       = lipgloss.Color("255")
+	ColorDanger     = lipgloss.Color("203")
+)
+
+var (
+	// ScreenStyle is the base style for full-screen models.
+	ScreenStyle = lipgloss.NewStyle().
+			Foreground(ColorText).
+			Background(ColorBackground)
+
+	// HeaderStyle is used by top-level titles and screen headers.
+	HeaderStyle = lipgloss.NewStyle().
+			Bold(true).
+			Foreground(ColorPrimary)
+
+	// TabActiveStyle is applied to the currently-selected tab.
+	TabActiveStyle = lipgloss.NewStyle().
+			Bold(true).
+			Foreground(ColorBackground).
+			Background(ColorPrimary).
+			Padding(0, 1)
+
+	// TabInactiveStyle is applied to non-selected tabs.
+	TabInactiveStyle = lipgloss.NewStyle().
+				Foreground(ColorMuted).
+				Background(ColorPanel).
+				Padding(0, 1)
+
+	// PanelStyle is used for boxed sections.
+	PanelStyle = lipgloss.NewStyle().
+			Border(lipgloss.NormalBorder()).
+			BorderForeground(ColorPanel).
+			Padding(0, 1)
+
+	// HelpBarStyle is used for keybinding hints at the bottom.
+	HelpBarStyle = lipgloss.NewStyle().
+			Foreground(ColorMuted).
+			BorderTop(true).
+			BorderForeground(ColorPanel)
+
+	// HighlightStyle emphasizes inline values.
+	HighlightStyle = lipgloss.NewStyle().
+			Bold(true).
+			Foreground(ColorAccent)
+
+	// ErrorStyle is used for fatal or warning messages.
+	ErrorStyle = lipgloss.NewStyle().
+			Bold(true).
+			Foreground(ColorDanger)
+)