diff --git a/src/addons/mod/quiz/components/navigation-modal/navigation-modal.html b/src/addons/mod/quiz/components/navigation-modal/navigation-modal.html
index 07494c6f2..703e74408 100644
--- a/src/addons/mod/quiz/components/navigation-modal/navigation-modal.html
+++ b/src/addons/mod/quiz/components/navigation-modal/navigation-modal.html
@@ -19,24 +19,24 @@
                 [detail]="false">
 
                 <ion-label class="ion-text-wrap">
-                    <span *ngIf="question.type !== 'description' && question.questionnumber">
+                    <p class="item-heading" *ngIf="question.type !== 'description' && question.questionnumber">
                         {{ 'core.question.questionno' | translate:{$a: question.questionnumber} }}
-                    </span>
-                    <span *ngIf="question.type === 'description' || !question.questionnumber">
+                    </p>
+                    <p class="item-heading" *ngIf="question.type === 'description' || !question.questionnumber">
                         {{ 'core.question.information' | translate }}
-                    </span>
+                    </p>
+                    <p>{{ question.status }}</p>
                 </ion-label>
 
                 <ion-icon *ngIf="question.type === 'description' || !question.questionnumber" name="fas-circle-info" slot="end"
                     aria-hidden="true" />
-                <ion-icon *ngIf="question.stateClass === 'core-question-requiresgrading'" name="fas-circle-question"
-                    [title]="question.status" slot="end" />
-                <ion-icon *ngIf="question.stateClass === 'core-question-correct'" [name]="correctIcon" color="success"
-                    [title]="question.status" slot="end" />
-                <ion-icon *ngIf="question.stateClass === 'core-question-partiallycorrect'" [name]="partialCorrectIcon" color="warning"
-                    [title]="question.status" slot="end" />
-                <ion-icon *ngIf="question.stateClass === 'core-question-incorrect' ||
-                    question.stateClass === 'core-question-notanswered'" [name]="incorrectIcon" color="danger" [title]="question.status"
+                <ion-icon *ngIf="question.stateclass === 'requiresgrading'" name="fas-circle-question" aria-hidden="true" slot="end" />
+                <ion-icon *ngIf="question.stateclass === 'correct'" [name]="correctIcon" color="success" aria-hidden="true" slot="end" />
+                <ion-icon *ngIf="question.stateclass === 'partiallycorrect'" [name]="partialCorrectIcon" color="warning" aria-hidden="true"
+                    slot="end" />
+                <ion-icon *ngIf="question.stateclass === 'incorrect' || question.stateclass === 'notanswered'" [name]="incorrectIcon"
+                    color="danger" aria-hidden="true" slot="end" />
+                <ion-icon *ngIf="question.stateclass === 'invalidanswer'" name="fas-triangle-exclamation" color="danger" aria-hidden="true"
                     slot="end" />
             </ion-item>
         </ion-list>
diff --git a/src/addons/mod/quiz/components/navigation-modal/navigation-modal.scss b/src/addons/mod/quiz/components/navigation-modal/navigation-modal.scss
new file mode 100644
index 000000000..73c1e4b83
--- /dev/null
+++ b/src/addons/mod/quiz/components/navigation-modal/navigation-modal.scss
@@ -0,0 +1,6 @@
+ion-item.core-question-blocked,
+ion-item.core-question-complete,
+ion-item.core-question-answersaved,
+ion-item.core-question-requiresgrading {
+    --background: var(--gray-300);
+}
diff --git a/src/addons/mod/quiz/components/navigation-modal/navigation-modal.ts b/src/addons/mod/quiz/components/navigation-modal/navigation-modal.ts
index 19f1cedb5..d7c24fcd4 100644
--- a/src/addons/mod/quiz/components/navigation-modal/navigation-modal.ts
+++ b/src/addons/mod/quiz/components/navigation-modal/navigation-modal.ts
@@ -26,6 +26,7 @@ import { ModalController } from '@singletons';
 @Component({
     selector: 'addon-mod-quiz-navigation-modal',
     templateUrl: 'navigation-modal.html',
+    styleUrl: 'navigation-modal.scss',
     standalone: true,
     imports: [
         CoreSharedModule,
diff --git a/src/addons/mod/quiz/pages/player/player.html b/src/addons/mod/quiz/pages/player/player.html
index e3de19c9b..899bd0cfb 100644
--- a/src/addons/mod/quiz/pages/player/player.html
+++ b/src/addons/mod/quiz/pages/player/player.html
@@ -15,7 +15,8 @@
                 (click)="showConnectionError($event)" [ariaLabel]="'addon.mod_quiz.connectionerror' | translate" aria-haspopup="dialog">
                 <ion-icon name="fas-circle-exclamation" slot="icon-only" aria-hidden="true" />
             </ion-button>
-            <ion-button *ngIf="navigation.length" [ariaLabel]="'addon.mod_quiz.opentoc' | translate" (click)="openNavigation()">
+            <ion-button *ngIf="navigation.length && !showSummary" [ariaLabel]="'addon.mod_quiz.opentoc' | translate"
+                (click)="openNavigation()">
                 <ion-icon name="fas-bookmark" slot="icon-only" aria-hidden="true" />
             </ion-button>
         </ion-buttons>
@@ -72,11 +73,24 @@
             <ng-container *ngFor="let question of summaryQuestions">
                 <ion-item *ngIf="question.type !== 'description' && question.questionnumber"
                     (click)="!isSequential && canReturn && changePage(question.page, false, question.slot)"
-                    [detail]="!isSequential && canReturn" [button]="!isSequential && canReturn" class="ion-text-wrap">
-                    <ion-label>
-                        <span [attr.aria-label]="'core.question.questionno' | translate:{$a: question.questionnumber}">
-                            {{ question.questionnumber }}.</span> {{ question.status }}
+                    [detail]="!isSequential && canReturn" [button]="!isSequential && canReturn"
+                    [class]="'ion-text-wrap ' + question.stateClass">
+                    <ion-label class="ion-text-wrap">
+                        <p class="item-heading">
+                            {{ 'core.question.questionno' | translate:{$a: question.questionnumber} }}
+                        </p>
+                        <p>{{ question.status }}</p>
                     </ion-label>
+
+                    <ion-icon *ngIf="question.stateclass === 'requiresgrading'" name="fas-circle-question" aria-hidden="true" slot="end" />
+                    <ion-icon *ngIf="question.stateclass === 'correct'" [name]="correctIcon" color="success" aria-hidden="true"
+                        slot="end" />
+                    <ion-icon *ngIf="question.stateclass === 'partiallycorrect'" [name]="partialCorrectIcon" color="warning"
+                        aria-hidden="true" slot="end" />
+                    <ion-icon *ngIf="question.stateclass === 'incorrect' || question.stateclass === 'notanswered'" [name]="incorrectIcon"
+                        color="danger" aria-hidden="true" slot="end" />
+                    <ion-icon *ngIf="question.stateclass === 'invalidanswer'" name="fas-triangle-exclamation" color="danger"
+                        aria-hidden="true" slot="end" />
                 </ion-item>
             </ng-container>
 
diff --git a/src/addons/mod/quiz/pages/player/player.scss b/src/addons/mod/quiz/pages/player/player.scss
index 920a9a2b9..0206550fb 100644
--- a/src/addons/mod/quiz/pages/player/player.scss
+++ b/src/addons/mod/quiz/pages/player/player.scss
@@ -17,4 +17,11 @@ $quiz-timer-iterations: 15 !default;
             }
         }
     }
+
+    ion-item.core-question-blocked,
+    ion-item.core-question-complete,
+    ion-item.core-question-answersaved,
+    ion-item.core-question-requiresgrading {
+        --background: var(--gray-300);
+    }
 }
diff --git a/src/addons/mod/quiz/pages/player/player.ts b/src/addons/mod/quiz/pages/player/player.ts
index 991b39b68..b3b6db147 100644
--- a/src/addons/mod/quiz/pages/player/player.ts
+++ b/src/addons/mod/quiz/pages/player/player.ts
@@ -63,7 +63,7 @@ import { CoreLoadings } from '@services/loadings';
 @Component({
     selector: 'page-addon-mod-quiz-player',
     templateUrl: 'player.html',
-    styleUrls: ['player.scss'],
+    styleUrl: 'player.scss',
 })
 export class AddonModQuizPlayerPage implements OnInit, OnDestroy, CanLeave {
 
@@ -93,6 +93,9 @@ export class AddonModQuizPlayerPage implements OnInit, OnDestroy, CanLeave {
     dueDateWarning?: string; // Warning about due date.
     courseId!: number; // The course ID the quiz belongs to.
     cmId!: number; // Course module ID.
+    correctIcon = '';
+    incorrectIcon = '';
+    partialCorrectIcon = '';
 
     protected preflightData: Record<string, string> = {}; // Preflight data to attempt the quiz.
     protected quizAccessInfo?: AddonModQuizGetQuizAccessInformationWSResponse; // Quiz access information.
@@ -672,6 +675,12 @@ export class AddonModQuizPlayerPage implements OnInit, OnDestroy, CanLeave {
             return;
         }
 
+        if (!this.correctIcon) {
+            this.correctIcon = CoreQuestionHelper.getCorrectIcon().fullName;
+            this.incorrectIcon = CoreQuestionHelper.getIncorrectIcon().fullName;
+            this.partialCorrectIcon = CoreQuestionHelper.getPartiallyCorrectIcon().fullName;
+        }
+
         this.summaryQuestions = [];
 
         this.summaryQuestions = await AddonModQuiz.getAttemptSummary(this.attempt.id, this.preflightData, {
@@ -680,6 +689,10 @@ export class AddonModQuizPlayerPage implements OnInit, OnDestroy, CanLeave {
             readingStrategy: this.offline ? CoreSitesReadingStrategy.PREFER_CACHE : CoreSitesReadingStrategy.ONLY_NETWORK,
         });
 
+        this.summaryQuestions.forEach((question) => {
+            CoreQuestionHelper.populateQuestionStateClass(question);
+        });
+
         this.showSummary = true;
         this.canReturn = this.attempt.state === AddonModQuizAttemptStates.IN_PROGRESS && !this.attempt.finishedOffline;
         this.preventSubmitMessages = AddonModQuiz.getPreventSubmitMessages(this.summaryQuestions);
@@ -707,7 +720,7 @@ export class AddonModQuizPlayerPage implements OnInit, OnDestroy, CanLeave {
         });
 
         this.navigation.forEach((question) => {
-            question.stateClass = CoreQuestionHelper.getQuestionStateClass(question.state || '');
+            CoreQuestionHelper.populateQuestionStateClass(question);
         });
     }
 
diff --git a/src/addons/mod/quiz/pages/review/review.ts b/src/addons/mod/quiz/pages/review/review.ts
index 5cfb5e244..653475dce 100644
--- a/src/addons/mod/quiz/pages/review/review.ts
+++ b/src/addons/mod/quiz/pages/review/review.ts
@@ -210,7 +210,7 @@ export class AddonModQuizReviewPage implements OnInit {
         this.navigation = data.questions;
 
         this.navigation.forEach((question) => {
-            question.stateClass = CoreQuestionHelper.getQuestionStateClass(question.state || '');
+            CoreQuestionHelper.populateQuestionStateClass(question);
         });
 
         const lastQuestion = data.questions[data.questions.length - 1];
diff --git a/src/core/features/question/services/question-helper.ts b/src/core/features/question/services/question-helper.ts
index 36a05c5f8..d8dc0c5fc 100644
--- a/src/core/features/question/services/question-helper.ts
+++ b/src/core/features/question/services/question-helper.ts
@@ -32,6 +32,7 @@ import { ContextLevel } from '@/core/constants';
 import { CoreIonicColorNames } from '@singletons/colors';
 import { CoreViewer } from '@features/viewer/services/viewer';
 import { convertTextToHTMLElement } from '@/core/utils/create-html-element';
+import { AddonModQuizNavigationQuestion } from '@addons/mod/quiz/components/navigation-modal/navigation-modal';
 
 /**
  * Service with some common functions to handle questions.
@@ -476,15 +477,18 @@ export class CoreQuestionHelperProvider {
     }
 
     /**
-     * Get the CSS class for a question based on its state.
+     * Populates the CSS class for a question based on its state.
      *
-     * @param name Question's state name.
-     * @returns State class.
+     * @param question Question.
      */
-    getQuestionStateClass(name: string): string {
-        const state = CoreQuestion.getState(name);
+    populateQuestionStateClass(question: AddonModQuizNavigationQuestion): void {
+        if (!question.stateclass) {
+            const state = CoreQuestion.getState(question.state);
 
-        return state ? state.class : '';
+            question.stateclass = state.stateclass;
+        }
+
+        question.stateClass = 'core-question-' + (question.stateclass ?? 'unknown');
     }
 
     /**
diff --git a/src/core/features/question/services/question.ts b/src/core/features/question/services/question.ts
index e7e88081d..1426bba3d 100644
--- a/src/core/features/question/services/question.ts
+++ b/src/core/features/question/services/question.ts
@@ -42,7 +42,6 @@ const QUESTION_PREFIX_REGEX = /q\d+:(\d+)_/;
 const STATES: Record<string, CoreQuestionState> = {
     todo: {
         name: 'todo',
-        class: 'core-question-notyetanswered',
         status: 'notyetanswered',
         stateclass: 'notyetanswered',
         active: true,
@@ -50,7 +49,6 @@ const STATES: Record<string, CoreQuestionState> = {
     },
     invalid: {
         name: 'invalid',
-        class: 'core-question-invalidanswer',
         status: 'invalidanswer',
         stateclass: 'invalidanswer',
         active: true,
@@ -58,7 +56,6 @@ const STATES: Record<string, CoreQuestionState> = {
     },
     complete: {
         name: 'complete',
-        class: 'core-question-answersaved',
         status: 'answersaved',
         stateclass: 'answersaved',
         active: true,
@@ -66,7 +63,6 @@ const STATES: Record<string, CoreQuestionState> = {
     },
     needsgrading: {
         name: 'needsgrading',
-        class: 'core-question-requiresgrading',
         status: 'requiresgrading',
         stateclass: 'requiresgrading',
         active: false,
@@ -74,7 +70,6 @@ const STATES: Record<string, CoreQuestionState> = {
     },
     finished: {
         name: 'finished',
-        class: 'core-question-complete',
         status: 'complete',
         stateclass: 'complete',
         active: false,
@@ -82,7 +77,6 @@ const STATES: Record<string, CoreQuestionState> = {
     },
     gaveup: {
         name: 'gaveup',
-        class: 'core-question-notanswered',
         status: 'notanswered',
         stateclass: 'notanswered',
         active: false,
@@ -90,7 +84,6 @@ const STATES: Record<string, CoreQuestionState> = {
     },
     gradedwrong: {
         name: 'gradedwrong',
-        class: 'core-question-incorrect',
         status: 'incorrect',
         stateclass: 'incorrect',
         active: false,
@@ -98,7 +91,6 @@ const STATES: Record<string, CoreQuestionState> = {
     },
     gradedpartial: {
         name: 'gradedpartial',
-        class: 'core-question-partiallycorrect',
         status: 'partiallycorrect',
         stateclass: 'partiallycorrect',
         active: false,
@@ -106,7 +98,6 @@ const STATES: Record<string, CoreQuestionState> = {
     },
     gradedright: {
         name: 'gradedright',
-        class: 'core-question-correct',
         status: 'correct',
         stateclass: 'correct',
         active: false,
@@ -114,7 +105,6 @@ const STATES: Record<string, CoreQuestionState> = {
     },
     mangrwrong: {
         name: 'mangrwrong',
-        class: 'core-question-incorrect',
         status: 'incorrect',
         stateclass: 'incorrect',
         active: false,
@@ -122,7 +112,6 @@ const STATES: Record<string, CoreQuestionState> = {
     },
     mangrpartial: {
         name: 'mangrpartial',
-        class: 'core-question-partiallycorrect',
         status: 'partiallycorrect',
         stateclass: 'partiallycorrect',
         active: false,
@@ -130,7 +119,6 @@ const STATES: Record<string, CoreQuestionState> = {
     },
     mangrright: {
         name: 'mangrright',
-        class: 'core-question-correct',
         status: 'correct',
         stateclass: 'correct',
         active: false,
@@ -138,7 +126,6 @@ const STATES: Record<string, CoreQuestionState> = {
     },
     cannotdeterminestatus: { // Special state for Mobile, sometimes we won't have enough data to detemrine the state.
         name: 'cannotdeterminestatus',
-        class: 'core-question-unknown',
         status: 'cannotdeterminestatus',
         stateclass: undefined,
         active: true,
@@ -594,7 +581,6 @@ export const CoreQuestion = makeSingleton(CoreQuestionProvider);
  */
 export type CoreQuestionState = {
     name: string; // Name of the state.
-    class: string; // Class to style the state.
     status: string; // The string key to translate the state.
     stateclass: // A machine-readable class name for the state that this question attempt is in.
         typeof QUESTION_TODO_STATE_CLASSES[number] |