webui: polish settings layout and button styles

tests/test_http_api_contract.py

@@ -472,7 +472,7 @@ def test_embedded_webui_preserves_config_input_while_polling():
     assert 'document.addEventListener("input"' in source
     assert 'setConfigValue("apSsidInput"' in source
     assert "deviceNameInput" in source
-    assert 'setConfigValue("bmsNameInput"' in source
+    assert "bmsNameInput" in source
     assert 'setConfigValue("tempEnabledCount"' in source
 
 
@@ -486,3 +486,17 @@ def test_ap_config_can_be_reset_to_defaults():
     assert 'api("/config/ap/reset")' in source
     assert "Reset AP to Default" in source
     assert "regenerated password" in source
+
+
+def test_embedded_webui_has_consistent_button_intent_styles():
+    source = firmware_source()
+
+    assert "/* UI polish v2 */" in source
+    assert "button.save" in source
+    assert "button.danger" in source
+    assert "button.secondary" in source
+    assert "configGroupTitle" in source
+    assert "linear-gradient" in source
+    assert 'class="save" onclick="saveApConfig()"' in source
+    assert 'class="danger" onclick="resetApConfig()"' in source
+    assert 'class="save" onclick="saveWifi()"' in source