Update GUI styling and font configuration

- Fix bt_app.h syntax error (remove stray "1")
- Improve menu item alignment and styling
- Enable additional LVGL fonts (Montserrat 8, Unscii 16)
- Clean up volume page layout, remove instruction labels
- Update default font to Montserrat 8

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

main/bt_app.h

@@ -81,7 +81,7 @@ typedef struct {
 
 typedef struct {
     bt_device_info_t devices[MAX_BT_DEVICES];
-    int count;1 
+    int count;
     bool discovery_active;
 } bt_device_list_t;
 

main/gui.c

@@ -499,6 +499,7 @@ static lv_obj_t * addMenuItem(lv_obj_t *page, const char *text)
     lv_label_set_text(lbl, text);
     lv_obj_set_style_radius(lbl, 0, LV_PART_MAIN | LV_STATE_ANY); 
     lv_obj_set_style_border_width(lbl, 0, LV_PART_MAIN | LV_STATE_ANY);
+    lv_obj_align(lbl, LV_ALIGN_LEFT_MID, 0, 0);  // Center vertically, align left horizontally
 
     // click callback
     lv_obj_add_event_cb(btn, btn_click_cb, LV_EVENT_CLICKED, NULL);
@@ -544,10 +545,12 @@ static void ensure_menu_styles(void) {
         lv_style_init(&_styleUnfocusedBtn);
 
         lv_style_set_bg_color(&_styleUnfocusedBtn, lv_color_make(0xff,0xff,0xff));  // white bg
-        lv_style_set_text_color(&_styleUnfocusedBtn, lv_color_black());       // orange text
+        lv_style_set_text_color(&_styleUnfocusedBtn, lv_color_black());       // black text
+        //lv_style_set_text_font(&_styleUnfocusedBtn, &lv_font_unscii_16);  // larger font
 
         lv_style_set_bg_color(&_styleFocusedBtn, lv_color_make(0x33,0x99,0xFF));    // blue bg
-        lv_style_set_text_color(&_styleFocusedBtn, lv_color_white());               // black text
+        lv_style_set_text_color(&_styleFocusedBtn, lv_color_white());               // white text
+        //lv_style_set_text_font(&_styleFocusedBtn, &lv_font_unscii_16);     // larger font
         
         styles_initialized = true;
     }
@@ -767,6 +770,8 @@ static lv_obj_t* create_volume_page(void) {
     lv_obj_t* title = lv_label_create(_volume_page);
     lv_label_set_text(title, "Volume Control");
     lv_obj_set_style_text_align(title, LV_TEXT_ALIGN_CENTER, 0);
+    lv_obj_set_style_text_color(title, lv_color_black(), 0);
+    //lv_obj_set_style_text_font(title, &lv_font_montserrat_8, 0);
     lv_obj_align(title, LV_ALIGN_TOP_MID, 0, 5);
     
     // Create volume bar (progress bar)
@@ -783,6 +788,8 @@ static lv_obj_t* create_volume_page(void) {
     lv_label_set_text(_volume_label, volume_text);
     lv_obj_set_style_text_align(_volume_label, LV_TEXT_ALIGN_CENTER, 0);
     lv_obj_align(_volume_label, LV_ALIGN_CENTER, 0, 15);
+
+#if 0
     
     // Create instruction labels
     lv_obj_t* instr1 = lv_label_create(_volume_page);
@@ -794,7 +801,8 @@ static lv_obj_t* create_volume_page(void) {
     lv_label_set_text(instr2, "KEY1: Volume Down");
     lv_obj_set_style_text_align(instr2, LV_TEXT_ALIGN_CENTER, 0);
     lv_obj_align(instr2, LV_ALIGN_BOTTOM_MID, 0, -10);
-    
+#endif
+
     return _volume_page;
 }
 

main/lv_conf.h

@@ -481,7 +481,7 @@
 
 /*Montserrat fonts with ASCII range and some symbols using bpp = 4
  *https://fonts.google.com/specimen/Montserrat*/
-#define LV_FONT_MONTSERRAT_8  0
+#define LV_FONT_MONTSERRAT_8  1
 #define LV_FONT_MONTSERRAT_10 0
 #define LV_FONT_MONTSERRAT_12 0
 #define LV_FONT_MONTSERRAT_14 1
@@ -511,7 +511,7 @@
 
 /*Pixel perfect monospace fonts*/
 #define LV_FONT_UNSCII_8  0
-#define LV_FONT_UNSCII_16 0
+#define LV_FONT_UNSCII_16 1
 
 /*Optionally declare custom fonts here.
  *You can use these fonts as default font too and they will be available globally.
@@ -519,7 +519,7 @@
 #define LV_FONT_CUSTOM_DECLARE
 
 /*Always set a default font*/
-#define LV_FONT_DEFAULT &lv_font_montserrat_14
+#define LV_FONT_DEFAULT &lv_font_unscii_16
 
 /*Enable handling large font and/or fonts with a lot of characters.
  *The limit depends on the font size, font face and bpp.

sdkconfig

@@ -2246,13 +2246,13 @@ CONFIG_LV_ATTRIBUTE_MEM_ALIGN_SIZE=1
 #
 # Enable built-in fonts
 #
-# CONFIG_LV_FONT_MONTSERRAT_8 is not set
+CONFIG_LV_FONT_MONTSERRAT_8=y
 # CONFIG_LV_FONT_MONTSERRAT_10 is not set
-# CONFIG_LV_FONT_MONTSERRAT_12 is not set
+CONFIG_LV_FONT_MONTSERRAT_12=y
 CONFIG_LV_FONT_MONTSERRAT_14=y
 # CONFIG_LV_FONT_MONTSERRAT_16 is not set
 # CONFIG_LV_FONT_MONTSERRAT_18 is not set
-CONFIG_LV_FONT_MONTSERRAT_20=y
+# CONFIG_LV_FONT_MONTSERRAT_20 is not set
 # CONFIG_LV_FONT_MONTSERRAT_22 is not set
 # CONFIG_LV_FONT_MONTSERRAT_24 is not set
 # CONFIG_LV_FONT_MONTSERRAT_26 is not set
@@ -2272,10 +2272,10 @@ CONFIG_LV_FONT_MONTSERRAT_20=y
 # CONFIG_LV_FONT_SIMSUN_14_CJK is not set
 # CONFIG_LV_FONT_SIMSUN_16_CJK is not set
 CONFIG_LV_FONT_UNSCII_8=y
-# CONFIG_LV_FONT_UNSCII_16 is not set
+CONFIG_LV_FONT_UNSCII_16=y
 # end of Enable built-in fonts
 
-# CONFIG_LV_FONT_DEFAULT_MONTSERRAT_8 is not set
+CONFIG_LV_FONT_DEFAULT_MONTSERRAT_8=y
 # CONFIG_LV_FONT_DEFAULT_MONTSERRAT_10 is not set
 # CONFIG_LV_FONT_DEFAULT_MONTSERRAT_12 is not set
 # CONFIG_LV_FONT_DEFAULT_MONTSERRAT_14 is not set
@@ -2300,7 +2300,7 @@ CONFIG_LV_FONT_UNSCII_8=y
 # CONFIG_LV_FONT_DEFAULT_DEJAVU_16_PERSIAN_HEBREW is not set
 # CONFIG_LV_FONT_DEFAULT_SIMSUN_14_CJK is not set
 # CONFIG_LV_FONT_DEFAULT_SIMSUN_16_CJK is not set
-CONFIG_LV_FONT_DEFAULT_UNSCII_8=y
+# CONFIG_LV_FONT_DEFAULT_UNSCII_8 is not set
 # CONFIG_LV_FONT_DEFAULT_UNSCII_16 is not set
 # CONFIG_LV_FONT_FMT_TXT_LARGE is not set
 # CONFIG_LV_USE_FONT_COMPRESSED is not set