diff --git a/superset-frontend/packages/superset-core/src/theme/types.ts b/superset-frontend/packages/superset-core/src/theme/types.ts
index e0e782d64972..6f6d61917aa2 100644
--- a/superset-frontend/packages/superset-core/src/theme/types.ts
+++ b/superset-frontend/packages/superset-core/src/theme/types.ts
@@ -237,6 +237,17 @@ export interface SupersetSpecificTokens {
    * Fallback: transparent
    */
   buttonSecondaryActiveBorderColor?: string;
+
+  // Component flexibility tokens (sizing, radius, behavior)
+  selectOptionActiveOutline?: boolean;
+  labelBorderRadius?: number;
+  buttonControlHeight?: number;
+  buttonControlHeightSM?: number;
+  buttonControlHeightXS?: number;
+  buttonPaddingInline?: number;
+  buttonPaddingInlineSM?: number;
+  buttonFontSize?: number;
+  buttonBorderRadius?: number;
 }
 
 /**
diff --git a/superset-frontend/packages/superset-ui-core/src/components/Button/Button.stories.tsx b/superset-frontend/packages/superset-ui-core/src/components/Button/Button.stories.tsx
index 808a16f45b10..21b8167c057f 100644
--- a/superset-frontend/packages/superset-ui-core/src/components/Button/Button.stories.tsx
+++ b/superset-frontend/packages/superset-ui-core/src/components/Button/Button.stories.tsx
@@ -125,6 +125,11 @@ InteractiveButton.argTypes = {
     options: buttonSizes,
     control: { type: 'select' },
   },
+  styleConfig: {
+    description:
+      'Optional visual overrides (controlHeight, paddingInline, fontSize, fontWeight, ctaMinWidth, ctaMinHeight, iconGap).',
+    control: { type: 'object' },
+  },
   target: {
     name: TARGETS.label,
     control: { type: 'select' },
diff --git a/superset-frontend/packages/superset-ui-core/src/components/Button/index.tsx b/superset-frontend/packages/superset-ui-core/src/components/Button/index.tsx
index 78f525e5a7ce..82f093d3d6c6 100644
--- a/superset-frontend/packages/superset-ui-core/src/components/Button/index.tsx
+++ b/superset-frontend/packages/superset-ui-core/src/components/Button/index.tsx
@@ -25,6 +25,7 @@ import type { SupersetTheme } from '@apache-superset/core/theme';
 import type {
   ButtonColorType,
   ButtonProps,
+  ButtonStyleConfig,
   ButtonStyle,
   ButtonType,
   ButtonVariantType,
@@ -84,14 +85,13 @@ export const getSecondaryButtonHoverStyles = (theme: SupersetTheme) => ({
   },
 });
 
-const BUTTON_STYLE_MAP: Record<
-  ButtonStyle,
-  {
-    type?: ButtonType;
-    variant?: ButtonVariantType;
-    color?: ButtonColorType;
-  }
-> = {
+type ButtonStyleMapping = {
+  type?: ButtonType;
+  variant?: ButtonVariantType;
+  color?: ButtonColorType;
+};
+
+const BUTTON_STYLE_MAP: Record<ButtonStyle, ButtonStyleMapping> = {
   primary: { type: 'primary', variant: 'solid', color: 'primary' },
   secondary: { variant: 'filled', color: 'primary' },
   tertiary: { variant: 'outlined', color: 'default' },
@@ -113,30 +113,59 @@ export function Button(props: ButtonProps) {
     href,
     showMarginRight = true,
     icon,
+    styleConfig,
     ...restProps
   } = props;
 
   const theme = useTheme();
-  const { fontSizeSM, fontWeightStrong } = theme;
+  const { fontWeightStrong } = theme;
+  const btnFontSize = theme.buttonFontSize ?? theme.fontSizeSM;
+
+  const themeExt = theme as typeof theme & {
+    buttonStyleMap?: Partial<Record<ButtonStyle, Partial<ButtonStyleMapping>>>;
+  };
+  const resolvedStyleMap: Record<ButtonStyle, ButtonStyleMapping> =
+    themeExt.buttonStyleMap
+      ? (Object.fromEntries(
+          Object.entries(BUTTON_STYLE_MAP).map(([key, value]) => [
+            key,
+            { ...value, ...themeExt.buttonStyleMap?.[key as ButtonStyle] },
+          ]),
+        ) as Record<ButtonStyle, ButtonStyleMapping>)
+      : BUTTON_STYLE_MAP;
 
-  let height = 32;
-  let padding = 18;
+  let defaultHeight = theme.buttonControlHeight ?? 32;
+  let defaultPaddingInline = theme.buttonPaddingInline ?? 18;
   if (buttonSize === 'xsmall') {
-    height = 22;
-    padding = 5;
+    defaultHeight = theme.buttonControlHeightXS ?? 22;
+    defaultPaddingInline = 5;
   } else if (buttonSize === 'small') {
-    height = 30;
-    padding = 10;
+    defaultHeight = theme.buttonControlHeightSM ?? 30;
+    defaultPaddingInline = theme.buttonPaddingInlineSM ?? 10;
   }
   if (buttonStyle === 'link') {
-    padding = 4;
+    defaultPaddingInline = 4;
   }
 
+  const resolvedStyleConfig: Required<ButtonStyleConfig> = {
+    controlHeight: styleConfig?.controlHeight ?? defaultHeight,
+    paddingInline: styleConfig?.paddingInline ?? defaultPaddingInline,
+    fontSize: styleConfig?.fontSize ?? btnFontSize,
+    fontWeight: styleConfig?.fontWeight ?? fontWeightStrong,
+    ctaMinWidth: styleConfig?.ctaMinWidth ?? theme.sizeUnit * 36,
+    ctaMinHeight: styleConfig?.ctaMinHeight ?? theme.sizeUnit * 8,
+    iconGap: styleConfig?.iconGap ?? theme.sizeUnit * 2,
+    borderRadius:
+      styleConfig?.borderRadius ??
+      theme.buttonBorderRadius ??
+      theme.borderRadius,
+  };
+
   const {
     type: antdType = 'default',
     variant,
     color,
-  } = BUTTON_STYLE_MAP[buttonStyle ?? 'primary'];
+  } = resolvedStyleMap[buttonStyle ?? 'primary'] ?? BUTTON_STYLE_MAP.primary;
 
   const element = children as ReactElement;
 
@@ -148,7 +177,9 @@ export function Button(props: ButtonProps) {
     renderedChildren = Children.toArray(children);
   }
   const firstChildMargin =
-    showMarginRight && renderedChildren.length > 1 ? theme.sizeUnit * 2 : 0;
+    showMarginRight && renderedChildren.length > 1
+      ? resolvedStyleConfig.iconGap
+      : 0;
 
   const effectiveButtonStyle: ButtonStyle = buttonStyle ?? 'primary';
 
@@ -169,8 +200,6 @@ export function Button(props: ButtonProps) {
       className={cx(
         className,
         'superset-button',
-        // A static class name containing the button style is available to
-        // support customizing button styles in embedded dashboards.
         `superset-button-${buttonStyle}`,
         { cta: !!cta },
       )}
@@ -179,12 +208,13 @@ export function Button(props: ButtonProps) {
         alignItems: 'center',
         justifyContent: 'center',
         lineHeight: 1,
-        fontSize: fontSizeSM,
-        fontWeight: fontWeightStrong,
-        height,
-        padding: `0px ${padding}px`,
-        minWidth: cta ? theme.sizeUnit * 36 : undefined,
-        minHeight: cta ? theme.sizeUnit * 8 : undefined,
+        fontSize: resolvedStyleConfig.fontSize,
+        fontWeight: resolvedStyleConfig.fontWeight,
+        height: resolvedStyleConfig.controlHeight,
+        padding: `0px ${resolvedStyleConfig.paddingInline}px`,
+        borderRadius: resolvedStyleConfig.borderRadius,
+        minWidth: cta ? resolvedStyleConfig.ctaMinWidth : undefined,
+        minHeight: cta ? resolvedStyleConfig.ctaMinHeight : undefined,
         marginLeft: 0,
         '& + .superset-button:not(.ant-btn-compact-item)': {
           marginLeft: theme.sizeUnit * 2,
diff --git a/superset-frontend/packages/superset-ui-core/src/components/Button/types.ts b/superset-frontend/packages/superset-ui-core/src/components/Button/types.ts
index d53e90e64e06..4bdee16d9c6b 100644
--- a/superset-frontend/packages/superset-ui-core/src/components/Button/types.ts
+++ b/superset-frontend/packages/superset-ui-core/src/components/Button/types.ts
@@ -40,6 +40,17 @@ export type ButtonStyle =
 
 export type ButtonSize = 'default' | 'small' | 'xsmall';
 
+export type ButtonStyleConfig = {
+  controlHeight?: number;
+  paddingInline?: number;
+  fontSize?: number;
+  fontWeight?: number;
+  ctaMinWidth?: number;
+  ctaMinHeight?: number;
+  iconGap?: number;
+  borderRadius?: number;
+};
+
 export type ButtonProps = Omit<AntdButtonProps, 'css'> & {
   placement?: TooltipPlacement;
   tooltip?: ReactNode;
@@ -49,4 +60,5 @@ export type ButtonProps = Omit<AntdButtonProps, 'css'> & {
   cta?: boolean;
   showMarginRight?: boolean;
   icon?: ReactNode;
+  styleConfig?: ButtonStyleConfig;
 };
diff --git a/superset-frontend/packages/superset-ui-core/src/components/DropdownButton/DropdownButton.stories.tsx b/superset-frontend/packages/superset-ui-core/src/components/DropdownButton/DropdownButton.stories.tsx
index 2ebb77f948fd..f0cd956a6ee7 100644
--- a/superset-frontend/packages/superset-ui-core/src/components/DropdownButton/DropdownButton.stories.tsx
+++ b/superset-frontend/packages/superset-ui-core/src/components/DropdownButton/DropdownButton.stories.tsx
@@ -60,6 +60,11 @@ InteractiveDropdownButton.args = {
 };
 
 InteractiveDropdownButton.argTypes = {
+  styleConfig: {
+    description:
+      'Optional visual overrides (controlHeight, fontSize, fontWeight, boxShadow).',
+    control: { type: 'object' },
+  },
   placement: {
     defaultValue: 'top',
     control: { type: 'select' },
diff --git a/superset-frontend/packages/superset-ui-core/src/components/DropdownButton/index.tsx b/superset-frontend/packages/superset-ui-core/src/components/DropdownButton/index.tsx
index d9cdb5d46328..2b37f9da98c5 100644
--- a/superset-frontend/packages/superset-ui-core/src/components/DropdownButton/index.tsx
+++ b/superset-frontend/packages/superset-ui-core/src/components/DropdownButton/index.tsx
@@ -27,6 +27,7 @@ export const DropdownButton = ({
   tooltip,
   tooltipPlacement,
   children,
+  styleConfig,
   ...rest
 }: DropdownButtonProps) => {
   const theme = useTheme();
@@ -57,10 +58,10 @@ export const DropdownButton = ({
         defaultBtnCss,
         css`
           .ant-btn {
-            height: 30px;
-            box-shadow: none;
-            font-size: ${theme.fontSizeSM}px;
-            font-weight: ${theme.fontWeightStrong};
+            height: ${styleConfig?.controlHeight ?? 30}px;
+            box-shadow: ${styleConfig?.boxShadow ?? 'none'};
+            font-size: ${styleConfig?.fontSize ?? theme.fontSizeSM}px;
+            font-weight: ${styleConfig?.fontWeight ?? theme.fontWeightStrong};
           }
         `,
       ]}
diff --git a/superset-frontend/packages/superset-ui-core/src/components/DropdownButton/types.ts b/superset-frontend/packages/superset-ui-core/src/components/DropdownButton/types.ts
index 3789d677336f..fa31c4f1df07 100644
--- a/superset-frontend/packages/superset-ui-core/src/components/DropdownButton/types.ts
+++ b/superset-frontend/packages/superset-ui-core/src/components/DropdownButton/types.ts
@@ -21,7 +21,15 @@ import { type ComponentProps } from 'react';
 import { Dropdown } from 'antd';
 import type { TooltipPlacement } from '../Tooltip/types';
 
+export type DropdownButtonStyleConfig = {
+  controlHeight?: number;
+  fontSize?: number;
+  fontWeight?: number;
+  boxShadow?: string;
+};
+
 export type DropdownButtonProps = ComponentProps<typeof Dropdown.Button> & {
   tooltip?: string;
   tooltipPlacement?: TooltipPlacement;
+  styleConfig?: DropdownButtonStyleConfig;
 };
diff --git a/superset-frontend/packages/superset-ui-core/src/components/Label/index.tsx b/superset-frontend/packages/superset-ui-core/src/components/Label/index.tsx
index 5e974758af3a..bfa4507abb31 100644
--- a/superset-frontend/packages/superset-ui-core/src/components/Label/index.tsx
+++ b/superset-frontend/packages/superset-ui-core/src/components/Label/index.tsx
@@ -46,27 +46,30 @@ export function Label(props: LabelProps) {
   const borderColorHover = onClick ? baseColor.borderHover : borderColor;
 
   const labelStyles = css`
-    transition: background-color ${theme.motionDurationMid};
-    white-space: nowrap;
-    cursor: ${onClick ? 'pointer' : 'default'};
-    overflow: hidden;
-    text-overflow: ellipsis;
-    background-color: ${backgroundColor};
-    border-radius: 8px;
-    border-color: ${borderColor};
-    padding: 0.35em 0.8em;
-    line-height: 1;
-    color: ${color};
-    display: inline-flex;
-    vertical-align: middle;
-    align-items: center;
-    max-width: 100%;
-    &:hover {
-      background-color: ${backgroundColorHover};
-      border-color: ${borderColorHover};
-      opacity: 1;
+    // NOTE: && bumps specificity to beat antd Tag defaults
+    && {
+      transition: background-color ${theme.motionDurationMid};
+      white-space: nowrap;
+      cursor: ${onClick ? 'pointer' : 'default'};
+      overflow: hidden;
+      text-overflow: ellipsis;
+      background-color: ${backgroundColor};
+      border-radius: ${theme.labelBorderRadius ?? 8}px;
+      border-color: ${borderColor};
+      padding: 0.35em 0.8em;
+      line-height: 1;
+      color: ${color};
+      display: inline-flex;
+      vertical-align: middle;
+      align-items: center;
+      max-width: 100%;
+      &:hover {
+        background-color: ${backgroundColorHover};
+        border-color: ${borderColorHover};
+        opacity: 1;
+      }
+      ${monospace ? `font-family: ${theme.fontFamilyCode};` : ''}
     }
-    ${monospace ? `font-family: ${theme.fontFamilyCode};` : ''}
   `;
 
   return (
diff --git a/superset-frontend/packages/superset-ui-core/src/components/PageHeaderWithActions/index.tsx b/superset-frontend/packages/superset-ui-core/src/components/PageHeaderWithActions/index.tsx
index a8dd727064de..d536f292bea4 100644
--- a/superset-frontend/packages/superset-ui-core/src/components/PageHeaderWithActions/index.tsx
+++ b/superset-frontend/packages/superset-ui-core/src/components/PageHeaderWithActions/index.tsx
@@ -32,10 +32,11 @@ import { CertifiedBadge } from '../CertifiedBadge';
 import { Button } from '../Button';
 
 export const menuTriggerStyles = (theme: SupersetTheme) => css`
-  width: ${theme.sizeUnit * 8}px;
-  height: ${theme.sizeUnit * 8}px;
+  width: ${theme.buttonControlHeight ?? theme.sizeUnit * 8}px;
+  height: ${theme.buttonControlHeight ?? theme.sizeUnit * 8}px;
   padding: 0;
   border: 1px solid ${theme.colorPrimary};
+  border-radius: ${theme.buttonBorderRadius ?? theme.borderRadius}px;
 
   &.ant-btn > span.anticon {
     line-height: 0;
diff --git a/superset-frontend/packages/superset-ui-core/src/components/Select/styles.tsx b/superset-frontend/packages/superset-ui-core/src/components/Select/styles.tsx
index 59c6606f6fde..5ed23be326f7 100644
--- a/superset-frontend/packages/superset-ui-core/src/components/Select/styles.tsx
+++ b/superset-frontend/packages/superset-ui-core/src/components/Select/styles.tsx
@@ -45,10 +45,11 @@ export const StyledContainer = styled.div<{ headerPosition: string }>`
 export const StyledSelect = styled(Select, {
   shouldForwardProp: prop => prop !== 'headerPosition' && prop !== 'oneLine',
 })<{ headerPosition?: string; oneLine?: boolean }>`
-  ${({ theme, headerPosition, oneLine }) => `
+  ${({ theme, headerPosition, oneLine }) => {
+    const useSubtleOptionHover = theme.selectOptionActiveOutline === false;
+    return `
     .ant-select-item-option-active:not(.ant-select-item-option-disabled) {
-      outline: 2px solid ${theme.colorPrimary};
-      outline-offset: -2px;
+      ${useSubtleOptionHover ? 'outline: none;' : `outline: 2px solid ${theme.colorPrimary}; outline-offset: -2px;`}
     }
     flex: ${headerPosition === 'left' ? 1 : 0};
     line-height: ${theme.sizeXL}px;
@@ -82,7 +83,8 @@ export const StyledSelect = styled(Select, {
         }
       `
     };
- `}
+  `;
+  }}
 `;
 
 export const NoElement = styled.span`
diff --git a/superset-frontend/src/components/ListView/CardCollection.tsx b/superset-frontend/src/components/ListView/CardCollection.tsx
index d3e8999713a8..b77e9f475f4d 100644
--- a/superset-frontend/src/components/ListView/CardCollection.tsx
+++ b/superset-frontend/src/components/ListView/CardCollection.tsx
@@ -35,7 +35,7 @@ const CardContainer = styled.div<{ showThumbnails?: boolean }>`
     display: grid;
     justify-content: start;
     grid-gap: ${theme.sizeUnit * 12}px ${theme.sizeUnit * 4}px;
-    grid-template-columns: repeat(auto-fit, 300px);
+    grid-template-columns: repeat(auto-fit, ${theme.sizeUnit * 75}px);
     margin-top: ${theme.sizeUnit * -6}px;
     padding: ${
       showThumbnails
diff --git a/superset-frontend/src/dashboard/components/DashboardBuilder/DashboardBuilder.tsx b/superset-frontend/src/dashboard/components/DashboardBuilder/DashboardBuilder.tsx
index 3fbfc5d10a55..7a86448b9baf 100644
--- a/superset-frontend/src/dashboard/components/DashboardBuilder/DashboardBuilder.tsx
+++ b/superset-frontend/src/dashboard/components/DashboardBuilder/DashboardBuilder.tsx
@@ -321,6 +321,9 @@ const StyledDashboardContent = styled.div<{
       padding: ${theme.sizeUnit * 4}px;
       box-sizing: border-box;
       overflow-y: visible;
+      border: 1px solid ${theme.colorBorder};
+      border-radius: ${theme.borderRadius}px;
+      box-shadow: ${theme.boxShadowTertiary};
 
       // transitionable traits to show filter relevance
       transition:
@@ -337,7 +340,7 @@ const StyledDashboardContent = styled.div<{
 
       &.fade-out {
         border-radius: ${theme.borderRadius}px;
-        box-shadow: 0 0 0 1px ${addAlpha(theme.colorBorder, 0.5)};
+        box-shadow: ${theme.boxShadowTertiary};
       }
 
       & .missing-chart-container {
diff --git a/superset-frontend/src/dashboard/components/gridComponents/TabsRenderer/TabsRenderer.tsx b/superset-frontend/src/dashboard/components/gridComponents/TabsRenderer/TabsRenderer.tsx
index 6d030b06a561..30c9a54679e1 100644
--- a/superset-frontend/src/dashboard/components/gridComponents/TabsRenderer/TabsRenderer.tsx
+++ b/superset-frontend/src/dashboard/components/gridComponents/TabsRenderer/TabsRenderer.tsx
@@ -50,6 +50,10 @@ const StyledTabsContainer = styled.div<{ isDragging?: boolean }>`
   width: 100%;
   background-color: ${({ theme }) => theme.colorBgContainer};
 
+  .ant-tabs > .ant-tabs-nav {
+    margin-bottom: ${({ theme }) => theme.sizeUnit * 4}px;
+  }
+
   & .dashboard-component-tabs-content {
     height: 100%;
   }
diff --git a/superset-frontend/src/features/home/Menu.tsx b/superset-frontend/src/features/home/Menu.tsx
index 06d606cc6a40..d08fd9c01e70 100644
--- a/superset-frontend/src/features/home/Menu.tsx
+++ b/superset-frontend/src/features/home/Menu.tsx
@@ -290,6 +290,9 @@ export function Menu({
     };
   };
   const renderBrand = () => {
+    if (brand.hide_logo) {
+      return null;
+    }
     let link;
     if (theme.brandLogoUrl) {
       link = (
@@ -344,15 +347,17 @@ export function Menu({
     >
       <StyledRow>
         <StyledCol md={16} xs={24}>
-          <Tooltip
-            id="brand-tooltip"
-            placement="bottomLeft"
-            title={brand.tooltip}
-            arrow={{ pointAtCenter: true }}
-          >
-            {renderBrand()}
-          </Tooltip>
-          {brand.text && (
+          {!brand.hide_logo && (
+            <Tooltip
+              id="brand-tooltip"
+              placement="bottomLeft"
+              title={brand.tooltip}
+              arrow={{ pointAtCenter: true }}
+            >
+              {renderBrand()}
+            </Tooltip>
+          )}
+          {brand.text && !brand.hide_logo && (
             <StyledBrandText>
               <span>{brand.text}</span>
             </StyledBrandText>
diff --git a/superset-frontend/src/types/bootstrapTypes.ts b/superset-frontend/src/types/bootstrapTypes.ts
index 4b8e646fbbf1..83639e9f67a0 100644
--- a/superset-frontend/src/types/bootstrapTypes.ts
+++ b/superset-frontend/src/types/bootstrapTypes.ts
@@ -99,6 +99,7 @@ export interface BrandProps {
   alt: string;
   tooltip: string;
   text: string;
+  hide_logo?: boolean;
 }
 
 export interface NavBarProps {
diff --git a/superset/config.py b/superset/config.py
index 5380df762de2..be018d82cc8f 100644
--- a/superset/config.py
+++ b/superset/config.py
@@ -383,6 +383,9 @@ def _try_json_readsha(filepath: str, length: int) -> str | None:
 # or you can specify a full URL e.g. 'https://foo.bar'
 LOGO_TARGET_PATH = None
 
+# When True, hide the navbar logo.
+HIDE_NAVBAR_LOGO = False
+
 # Specify tooltip that should appear when hovering over the App Icon/Logo
 LOGO_TOOLTIP = ""
 
diff --git a/superset/views/base.py b/superset/views/base.py
index 3220344013d1..45145fa1d9f4 100644
--- a/superset/views/base.py
+++ b/superset/views/base.py
@@ -290,6 +290,7 @@ def menu_data(user: User) -> dict[str, Any]:
             "alt": appbuilder.app_name,
             "tooltip": app.config["LOGO_TOOLTIP"],
             "text": brand_text,
+            "hide_logo": app.config.get("HIDE_NAVBAR_LOGO", False),
         },
         "environment_tag": get_environment_tag(),
         "navbar_right": {