diff --git a/firmware/components/display-classic.yaml b/firmware/components/display-classic.yaml
index 019be54..9889194 100644
--- a/firmware/components/display-classic.yaml
+++ b/firmware/components/display-classic.yaml
@@ -109,6 +109,12 @@ lvgl:
                   max_value: 90
                   value: 70
                   adjustable: true
+                  adv_hittest: true   # LVGL's default touch hit-test just uses each widget's full
+                                       # bounding square (any topmost widget under the touch point
+                                       # wins), which is why the radius difference alone didn't fix
+                                       # touch disambiguation. adv_hittest switches to LVGL's precise
+                                       # ring-based hit test (see LV_EVENT_HIT_TEST in lv_arc.c),
+                                       # which actually respects each arc's own radius.
                   arc_opa: transp   # flattened, see dial_bg_arc comment above
                   indicator:
                     arc_color: 0xFF3B30
@@ -129,11 +135,11 @@ lvgl:
                   id: cool_arc
                   align: center
                   y: -20
-                  width: 360px    # smaller radius than heat_arc (400px) so the two rings occupy
-                  height: 360px   # different physical pixels — LVGL hit-tests arcs by distance
-                                  # from center, and two arcs at the same radius are touch-ambiguous;
-                                  # the topmost one (this one, declared last) always wins regardless
-                                  # of where along the ring you actually tap
+                  width: 360px    # smaller radius than heat_arc (400px) so the two rings are visually
+                  height: 360px   # distinct; touch disambiguation itself comes from adv_hittest below,
+                                  # not from this size difference alone (a same-radius pair would also
+                                  # work correctly with adv_hittest on both, but differing radii keeps
+                                  # the two rings visually separable too)
                   start_angle: 315
                   end_angle: 225
                   mode: REVERSE
@@ -141,6 +147,7 @@ lvgl:
                   max_value: 90
                   value: 75
                   adjustable: true
+                  adv_hittest: true   # see heat_arc comment above — precise ring-based hit test
                   arc_opa: transp   # flattened, see dial_bg_arc comment above
                   indicator:
                     arc_color: 0x0A84FF