diff --git a/package-lock.json b/package-lock.json
index 469f3c594..b13db99e7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -38,7 +38,7 @@
         "globby": "^14.1.0",
         "husky": "^9.1.7",
         "ig-typedoc-theme": "^6.0.0",
-        "igniteui-theming": "^15.0.0",
+        "igniteui-theming": "^15.1.1",
         "keep-a-changelog": "^2.6.1",
         "lint-staged": "^15.4.3",
         "lit-analyzer": "^2.0.3",
@@ -7496,11 +7496,10 @@
       }
     },
     "node_modules/igniteui-theming": {
-      "version": "15.0.0",
-      "resolved": "https://registry.npmjs.org/igniteui-theming/-/igniteui-theming-15.0.0.tgz",
-      "integrity": "sha512-4ANFe6t3t9fEDexmB8/H7hEO1eBBWohu1tbEUFdfQPBMgUT/qqXbSlxW3FGCmZV7Oxr5rn9ZdXyScPxzwRx1lg==",
+      "version": "15.1.1",
+      "resolved": "https://registry.npmjs.org/igniteui-theming/-/igniteui-theming-15.1.1.tgz",
+      "integrity": "sha512-PvU7znjYOUAT3fSX94gRrAmgFvvM8z04x6JJNAnO/7/jYSJmSWFtW3G4NfAMm8Uross5IGZuYq4cjlQo1a/Hkw==",
       "dev": true,
-      "license": "MIT",
       "peerDependencies": {
         "sass": "^1.69.5"
       }
diff --git a/package.json b/package.json
index eeb69aafb..a0b905dd6 100644
--- a/package.json
+++ b/package.json
@@ -79,7 +79,7 @@
     "globby": "^14.1.0",
     "husky": "^9.1.7",
     "ig-typedoc-theme": "^6.0.0",
-    "igniteui-theming": "^15.0.0",
+    "igniteui-theming": "^15.1.1",
     "keep-a-changelog": "^2.6.1",
     "lint-staged": "^15.4.3",
     "lit-analyzer": "^2.0.3",
diff --git a/src/components/combo/themes/shared/combo.common.scss b/src/components/combo/themes/shared/combo.common.scss
index 73db7c722..65d70592b 100644
--- a/src/components/combo/themes/shared/combo.common.scss
+++ b/src/components/combo/themes/shared/combo.common.scss
@@ -59,6 +59,13 @@ $dropdown-theme: dropdown-theme.$material;
     }
 }
 
+:host(:not([disabled])[invalid]),
+:host(:not(:disabled)[invalid]) {
+    ::part(helper-text) {
+        color: var-get($theme, 'error-secondary-color');
+    }
+}
+
 :host(:disabled),
 :host([disabled]) {
     ::slotted([slot='prefix']),
diff --git a/src/components/combo/themes/shared/combo.fluent.scss b/src/components/combo/themes/shared/combo.fluent.scss
index 1510f69aa..ebe753dc1 100644
--- a/src/components/combo/themes/shared/combo.fluent.scss
+++ b/src/components/combo/themes/shared/combo.fluent.scss
@@ -62,7 +62,7 @@ $dropdown-theme: dropdown-theme.$fluent;
 
 :host(:focus-within) {
     [part~='toggle-icon'] {
-        background: var-get($theme, 'toggle-button-background-focus--border');
+        background: var-get($theme, 'toggle-button-background-focus');
         color: var-get($theme, 'toggle-button-foreground-focus');
 
         igc-icon {
diff --git a/src/components/combo/themes/shared/combo.indigo.scss b/src/components/combo/themes/shared/combo.indigo.scss
index 932bde5a8..f56c8a9e0 100644
--- a/src/components/combo/themes/shared/combo.indigo.scss
+++ b/src/components/combo/themes/shared/combo.indigo.scss
@@ -92,6 +92,13 @@ $dropdown-theme: dropdown-theme.$indigo;
     }
 }
 
+:host(:not([disabled])[invalid]),
+:host(:not(:disabled)[invalid]) {
+    ::part(helper-text) {
+        color: var-get($input-theme, 'helper-text-color');
+    }
+}
+
 :host(:disabled),
 :host([disabled]) {
     ::slotted([slot='prefix']),
diff --git a/src/components/combo/themes/shared/combo.material.scss b/src/components/combo/themes/shared/combo.material.scss
index 5d11f7bf9..34763daed 100644
--- a/src/components/combo/themes/shared/combo.material.scss
+++ b/src/components/combo/themes/shared/combo.material.scss
@@ -75,16 +75,24 @@ $dropdown-theme: dropdown-theme.$material;
     color: var-get($theme, 'toggle-button-foreground-filled');
 }
 
-:host(:focus-within) {
+:host(:not([outlined]):focus-within) {
+    igc-input::part(container) {
+        --_toggle-focus-background: #{var-get($theme, 'toggle-button-background')};
+        --_toggle-focus-foreground: #{var-get($theme, 'toggle-button-foreground')};
+
+        &:focus-within {
+            --_toggle-focus-background: #{var-get($theme, 'toggle-button-background-focus')};
+            --_toggle-focus-foreground: #{var-get($theme, 'toggle-button-foreground-filled')};
+        }
+    }
+
     [part~='toggle-icon'] {
-        color: var-get($theme, 'toggle-button-foreground-filled');
-        background: var-get($theme, 'toggle-button-background-focus');
+        color: var(--_toggle-focus-foreground);
+        background: var(--_toggle-focus-background);
     }
-}
 
-:host(:not([outlined]):focus-within) {
-    > igc-input::part(container) {
-        background: var-get($input-theme, 'box-background-focus');
+    [part='toggle-icon filled'] {
+        color: var-get($theme, 'toggle-button-foreground-filled');
     }
 }
 
diff --git a/src/components/date-picker/themes/shared/date-picker.common.scss b/src/components/date-picker/themes/shared/date-picker.common.scss
index be4d08cf2..8732e2e4e 100644
--- a/src/components/date-picker/themes/shared/date-picker.common.scss
+++ b/src/components/date-picker/themes/shared/date-picker.common.scss
@@ -73,10 +73,21 @@ igc-icon,
     --component-size: var(--input-size);
 }
 
+:host(:not([disabled])[invalid]),
+:host(:not(:disabled)[invalid]) {
+    ::part(helper-text) {
+        color: var-get($theme, 'error-secondary-color');
+    }
+}
+
 :host(:disabled),
 :host([disabled]) {
     [part='label'],
     igc-validator {
         color: var-get($input-theme, 'disabled-text-color');
     }
+
+    ::part(helper-text) {
+        color: var-get($input-theme, 'disabled-text-color');
+    }
 }
diff --git a/src/components/date-picker/themes/shared/date-picker.indigo.scss b/src/components/date-picker/themes/shared/date-picker.indigo.scss
index c7d52372e..601221525 100644
--- a/src/components/date-picker/themes/shared/date-picker.indigo.scss
+++ b/src/components/date-picker/themes/shared/date-picker.indigo.scss
@@ -40,3 +40,10 @@ $input-theme: input-theme.$indigo;
         color: var-get($input-theme, 'focused-secondary-color');
     }
 }
+
+:host(:not([disabled])[invalid]),
+:host(:not(:disabled)[invalid]) {
+    ::part(helper-text) {
+        color: var-get($input-theme, 'helper-text-color');
+    }
+}
diff --git a/src/components/input/themes/shared/input.material.scss b/src/components/input/themes/shared/input.material.scss
index 67915c89a..0eabc0cd8 100644
--- a/src/components/input/themes/shared/input.material.scss
+++ b/src/components/input/themes/shared/input.material.scss
@@ -380,7 +380,6 @@ input:placeholder-shown + [part='notch'] [part='label'],
     }
 }
 
-
 :host(:not([type='search'])[readonly][outlined]:focus-within) {
     :not([part~='filled']) {
         input:not(:placeholder-shown) + [part='notch'] [part='label'] {
@@ -397,6 +396,20 @@ input:placeholder-shown + [part='notch'] [part='label'],
     }
 }
 
+:host(:not([type='search'])[outlined]:hover) {
+    [part='notch'],
+    [part='start'],
+    [part='end'],
+    [part='filler'] {
+        border-color: var-get($theme, 'hover-border-color');
+    }
+
+    input:placeholder-shown + [part='notch'],
+    [part~='filled'] + [part='notch'] {
+        @extend %floated-styles;
+    }
+}
+
 :host(:not([type='search'])[outlined]:focus-within) {
     [part='label'] {
         margin-block-start: calc(#{$active-border-width} / 2);
diff --git a/src/components/select/themes/shared/select.common.scss b/src/components/select/themes/shared/select.common.scss
index 0efc209c8..5a1b7f65e 100644
--- a/src/components/select/themes/shared/select.common.scss
+++ b/src/components/select/themes/shared/select.common.scss
@@ -32,7 +32,6 @@ $dropdown-theme: dropdown-theme.$material;
     }
 }
 
-:host(:hover),
 :host(:focus-within) {
     [part~='toggle-icon'] {
         background: var-get($theme, 'toggle-button-background-focus--border');
diff --git a/src/components/select/themes/shared/select.fluent.scss b/src/components/select/themes/shared/select.fluent.scss
index 7e331f198..d6470f2c2 100644
--- a/src/components/select/themes/shared/select.fluent.scss
+++ b/src/components/select/themes/shared/select.fluent.scss
@@ -36,6 +36,10 @@ $focused-border-width: rem(2px);
 }
 
 :host(:focus-within) {
+    [part~='toggle-icon'] {
+        background: var-get($theme, 'toggle-button-background-focus');
+    }
+
     igc-input[readonly]:not([disabled])::part(container) {
         border-width: #{$focused-border-width};
     }
diff --git a/src/components/select/themes/shared/select.indigo.scss b/src/components/select/themes/shared/select.indigo.scss
index d79a7ae95..f9dafdac2 100644
--- a/src/components/select/themes/shared/select.indigo.scss
+++ b/src/components/select/themes/shared/select.indigo.scss
@@ -33,6 +33,12 @@ $input-theme: input-theme.$indigo;
     padding: rem(3px);
 }
 
+:host(:hover) {
+    [part~='toggle-icon'] {
+        color: var-get($theme, 'toggle-button-foreground-focus');
+    }
+}
+
 :host(:focus-within) {
     igc-input::part(label) {
         color: var-get($input-theme, 'focused-secondary-color');
diff --git a/src/components/textarea/themes/shared/textarea.material.scss b/src/components/textarea/themes/shared/textarea.material.scss
index 9c240c3ea..2c0797bc2 100644
--- a/src/components/textarea/themes/shared/textarea.material.scss
+++ b/src/components/textarea/themes/shared/textarea.material.scss
@@ -330,6 +330,22 @@ textarea {
     }
 }
 
+:host([outlined]:hover) {
+    [part='notch'],
+    [part='start'],
+    [part='end'],
+    [part='filler'] {
+        border-color: var-get($theme, 'hover-border-color');
+    }
+
+    [part~='container'][part~='filled'],
+    [part~='container'][part~='placeholder'] {
+        [part='notch'] {
+            border-block-start-color: transparent;
+        }
+    }
+}
+
 :host([outlined]:focus-within) {
     [part='filler'],
     [part='notch'] {