diff --git a/firmware/main/board_147b.h b/firmware/main/board_147b.h
index b3503da..7882ab3 100644
--- a/firmware/main/board_147b.h
+++ b/firmware/main/board_147b.h
@@ -1,11 +1,11 @@
 #pragma once
-// ESP32-S3-LCD-1.47B — ST7789 SPI
-#define LCD_CS    21
-#define LCD_SCL   38   // SPI CLK
-#define LCD_SDA   39   // SPI MOSI
-#define LCD_RST   40
-#define LCD_DC    45
-#define LCD_BL    46   // 背光,高=亮(8050)
+// ESP32-S3-LCD-1.47B — ST7789 SPI (pins from board schematic)
+#define LCD_CS    42
+#define LCD_SCL   40   // SPI CLK
+#define LCD_SDA   45   // SPI MOSI (DIN)
+#define LCD_RST   39
+#define LCD_DC    41
+#define LCD_BL    46   // backlight, high=on
 #define LCD_H_RES 172
 #define LCD_V_RES 320
 #define LCD_X_GAP 34
diff --git a/firmware/main/ui_147b.c b/firmware/main/ui_147b.c
index 5ec2503..c3b1045 100644
--- a/firmware/main/ui_147b.c
+++ b/firmware/main/ui_147b.c
@@ -3,66 +3,108 @@
 
 #define AMBER 0xFFB000
 #define DIM   0xC8870F
+#define EMPTY 0x5A3F08
+#define STALE 0x9C6A0C
+#define BG    0x0B0A07
 
-static lv_obj_t *lbl_5h_pct, *lbl_reset, *lbl_7d, *bar5, *bar7, *lbl_bottom;
+static lv_obj_t *lbl_5h_pct, *lbl_5h_reset, *bar5;
+static lv_obj_t *lbl_7d_pct, *bar7;
+static lv_obj_t *lbl_session, *lbl_state;
 
-static lv_obj_t *mklbl(lv_obj_t *p, const char *txt, int y, int size, uint32_t color)
+static lv_obj_t *mklbl(lv_obj_t *p, const char *txt, int x, int y,
+                       const lv_font_t *font, uint32_t color)
 {
-    (void)size; /* size param reserved for future font switching */
     lv_obj_t *l = lv_label_create(p);
     lv_label_set_text(l, txt);
     lv_obj_set_style_text_color(l, lv_color_hex(color), 0);
-    lv_obj_set_style_text_font(l, &lv_font_montserrat_14, 0);
-    lv_obj_set_pos(l, 8, y);
+    lv_obj_set_style_text_font(l, font, 0);
+    lv_obj_set_pos(l, x, y);
     return l;
 }
 
-void ui_build(lv_display_t *disp)
+// Thin horizontal rule spanning the column.
+static void mksep(lv_obj_t *p, int x, int y, int w, uint32_t color)
 {
-    lv_obj_t *scr = lv_display_get_screen_active(disp);
-    lv_obj_set_style_bg_color(scr, lv_color_hex(0x0B0A07), 0);
+    lv_obj_t *o = lv_obj_create(p);
+    lv_obj_remove_style_all(o);
+    lv_obj_set_size(o, w, 2);
+    lv_obj_set_pos(o, x, y);
+    lv_obj_set_style_bg_color(o, lv_color_hex(color), 0);
+    lv_obj_set_style_bg_opa(o, LV_OPA_COVER, 0);
+}
 
-    mklbl(scr, "TOKENPULSE",  6,  14, AMBER);
-    mklbl(scr, "CLAUDE CODE", 40, 14, AMBER);
-    mklbl(scr, "5H WINDOW",   64, 14, DIM);
+static lv_obj_t *mkbar(lv_obj_t *p, int x, int y, int w, int h)
+{
+    lv_obj_t *b = lv_bar_create(p);
+    lv_obj_set_size(b, w, h);
+    lv_obj_set_pos(b, x, y);
+    lv_obj_set_style_bg_color(b, lv_color_hex(EMPTY), 0);
+    lv_obj_set_style_bg_color(b, lv_color_hex(AMBER), LV_PART_INDICATOR);
+    lv_bar_set_range(b, 0, 100);
+    return b;
+}
 
-    lbl_5h_pct = mklbl(scr, "--%", 82, 28, AMBER);
+// Portrait 172x320 — mirrors the 4.3C dashboard: 5H hero, thicker bars,
+// drawn separators, session line, single ONLINE/STALE status.
+void ui_build(lv_display_t *disp)
+{
+    lv_obj_t *scr = lv_display_get_screen_active(disp);
+    lv_obj_set_style_bg_color(scr, lv_color_hex(BG), 0);
 
-    bar5 = lv_bar_create(scr);
-    lv_obj_set_size(bar5, 156, 12);
-    lv_obj_set_pos(bar5, 8, 120);
-    lv_obj_set_style_bg_color(bar5, lv_color_hex(0x5A3F08), 0);
-    lv_obj_set_style_bg_color(bar5, lv_color_hex(AMBER), LV_PART_INDICATOR);
+    // Header
+    mklbl(scr, "TOKENPULSE",  8,  8, &lv_font_montserrat_14, AMBER);
+    mklbl(scr, "CLAUDE CODE", 8, 26, &lv_font_montserrat_14, DIM);
+    mksep(scr, 8, 48, 156, DIM);
 
-    lbl_reset = mklbl(scr, "RESET --:--:--", 138, 14, DIM);
-    lbl_7d    = mklbl(scr, "7-DAY  --%",     170, 14, DIM);
+    // 5H WINDOW (hero)
+    mklbl(scr, "5H WINDOW", 8, 58, &lv_font_montserrat_14, DIM);
+    lbl_5h_pct = mklbl(scr, "--%", 8, 78, &lv_font_montserrat_28, AMBER);
+    bar5 = mkbar(scr, 8, 124, 156, 18);
+    lbl_5h_reset = mklbl(scr, "RESET --:--:--", 8, 150, &lv_font_montserrat_14, DIM);
+    mksep(scr, 8, 176, 156, DIM);
 
-    bar7 = lv_bar_create(scr);
-    lv_obj_set_size(bar7, 156, 8);
-    lv_obj_set_pos(bar7, 8, 192);
-    lv_obj_set_style_bg_color(bar7, lv_color_hex(0x5A3F08), 0);
-    lv_obj_set_style_bg_color(bar7, lv_color_hex(AMBER), LV_PART_INDICATOR);
+    // 7-DAY (secondary, inline)
+    mklbl(scr, "7-DAY", 8, 188, &lv_font_montserrat_14, DIM);
+    lbl_7d_pct = mklbl(scr, "--%", 110, 188, &lv_font_montserrat_14, AMBER);
+    bar7 = mkbar(scr, 8, 214, 156, 14);
+    mksep(scr, 8, 238, 156, DIM);
 
-    lbl_bottom = mklbl(scr, "* RUNNING", 296, 14, AMBER);
+    // Footer
+    lbl_session = mklbl(scr, "SESSION $--.--", 8, 250, &lv_font_montserrat_14, AMBER);
+    lbl_state = mklbl(scr, "* ONLINE", 8, 290, &lv_font_montserrat_14, AMBER);
 }
 
 void ui_update(const ui_state_t *st)
 {
-    char buf[32];
-    uint32_t c = st->stale ? 0x9C6A0C : AMBER;
+    char buf[40];
+    uint32_t c = st->stale ? STALE : AMBER;
 
+    // 5H
     snprintf(buf, sizeof buf, "%d%%", st->five_pct);
     lv_label_set_text(lbl_5h_pct, st->stale ? "--%" : buf);
     lv_obj_set_style_text_color(lbl_5h_pct, lv_color_hex(c), 0);
     lv_bar_set_value(bar5, st->stale ? 0 : st->five_pct, LV_ANIM_OFF);
 
     long s = st->five_reset_s;
-    snprintf(buf, sizeof buf, "RESET %02ld:%02ld:%02ld", s / 3600, (s % 3600) / 60, s % 60);
-    lv_label_set_text(lbl_reset, st->stale ? "RESET --:--:--" : buf);
+    snprintf(buf, sizeof buf, "RESET %02ld:%02ld:%02ld",
+             s / 3600, (s % 3600) / 60, s % 60);
+    lv_label_set_text(lbl_5h_reset, st->stale ? "RESET --:--:--" : buf);
 
-    snprintf(buf, sizeof buf, "7-DAY  %d%%", st->week_pct);
-    lv_label_set_text(lbl_7d, st->stale ? "7-DAY  --%" : buf);
+    // 7D
+    snprintf(buf, sizeof buf, "%d%%", st->week_pct);
+    lv_label_set_text(lbl_7d_pct, st->stale ? "--%" : buf);
+    lv_obj_set_style_text_color(lbl_7d_pct, lv_color_hex(c), 0);
     lv_bar_set_value(bar7, st->stale ? 0 : st->week_pct, LV_ANIM_OFF);
 
-    (void)lbl_bottom; /* bottom label stays static in ui_update */
+    // Session cost
+    if (st->stale) {
+        lv_label_set_text(lbl_session, "SESSION $--.--");
+    } else {
+        snprintf(buf, sizeof buf, "SESSION $%.2f", st->session_usd);
+        lv_label_set_text(lbl_session, buf);
+    }
+
+    // Status (single indicator; greyed when stale)
+    lv_obj_set_style_text_color(lbl_state, lv_color_hex(c), 0);
+    lv_label_set_text(lbl_state, st->stale ? "* STALE" : "* ONLINE");
 }
diff --git a/firmware/sdkconfig.defaults b/firmware/sdkconfig.defaults
index 5a3fb85..c14c98f 100644
--- a/firmware/sdkconfig.defaults
+++ b/firmware/sdkconfig.defaults
@@ -7,6 +7,8 @@ CONFIG_SPIRAM_SPEED_80M=y
 CONFIG_PARTITION_TABLE_CUSTOM=y
 CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="partitions.csv"
 CONFIG_FREERTOS_HZ=1000
+# Bigger font for the hero metric (both boards)
+CONFIG_LV_FONT_MONTSERRAT_28=y
 # TinyUSB CDC + HID composite
 CONFIG_TINYUSB_CDC_ENABLED=y
 CONFIG_TINYUSB_CDC_COUNT=1