diff --git a/meet-ce/frontend/projects/shared-meet-components/src/lib/components/hidden-participants-indicator/hidden-participants-indicator.component.html b/meet-ce/frontend/projects/shared-meet-components/src/lib/components/hidden-participants-indicator/hidden-participants-indicator.component.html
index 68a346d9..b0b1fbd4 100644
--- a/meet-ce/frontend/projects/shared-meet-components/src/lib/components/hidden-participants-indicator/hidden-participants-indicator.component.html
+++ b/meet-ce/frontend/projects/shared-meet-components/src/lib/components/hidden-participants-indicator/hidden-participants-indicator.component.html
@@ -4,7 +4,11 @@
 			<!-- Horizontal/Bar Layout -->
 			<div class="horizontal-content">
 				<div class="count-badge-horizontal">
-					{{ displayText() }}
+					@if (count() === 1) {
+						<mat-icon>person</mat-icon>
+					} @else {
+						<mat-icon>people</mat-icon>
+					}
 				</div>
 				<div class="text-horizontal">
 					<span class="count-number">{{ count() }}</span>
@@ -14,27 +18,11 @@
 		} @else {
 			<!-- Vertical/Standard Layout -->
 			<div class="vertical-content">
-				<div class="header-section">
-					<div class="icon-group">
-						<svg class="participants-icon" viewBox="0 0 24 24" fill="currentColor">
-							<path d="M16 11c1.66 0 2.99-1.34 2.99-3S17.66 5 16 5c-1.66 0-3 1.34-3 3s1.34 3 3 3zm-8 0c1.66 0 2.99-1.34 2.99-3S9.66 5 8 5C6.34 5 5 6.34 5 8s1.34 3 3 3zm0 2c-2.33 0-7 1.17-7 3.5V19h14v-2.5c0-2.33-4.67-3.5-7-3.5zm8 0c-.29 0-.62.02-.97.05 1.16.84 1.97 1.97 1.97 3.45V19h6v-2.5c0-2.33-4.67-3.5-7-3.5z"/>
-						</svg>
-					</div>
-					<div class="title">Hidden Participants</div>
-				</div>
 				<div class="count-section">
 					<div class="count-badge-vertical">
 						{{ displayText() }}
 					</div>
-					<div class="count-label">
-						{{ count() }} {{ count() === 1 ? 'participant' : 'participants' }}
-					</div>
-				</div>
-				<div class="info-section">
-					<svg class="info-icon" viewBox="0 0 24 24" fill="currentColor">
-						<path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm1 15h-2v-6h2v6zm0-8h-2V7h2v2z"/>
-					</svg>
-					<div class="info-text">Not currently visible in the layout</div>
+					<div class="count-label"> {{ count() }} {{ descriptionText() }}</div>
 				</div>
 			</div>
 		}
diff --git a/meet-ce/frontend/projects/shared-meet-components/src/lib/components/hidden-participants-indicator/hidden-participants-indicator.component.scss b/meet-ce/frontend/projects/shared-meet-components/src/lib/components/hidden-participants-indicator/hidden-participants-indicator.component.scss
index d34d9aaa..59353890 100644
--- a/meet-ce/frontend/projects/shared-meet-components/src/lib/components/hidden-participants-indicator/hidden-participants-indicator.component.scss
+++ b/meet-ce/frontend/projects/shared-meet-components/src/lib/components/hidden-participants-indicator/hidden-participants-indicator.component.scss
@@ -11,6 +11,9 @@
 	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
 	transition: all 0.2s ease-in-out;
 
+	container-type: size;
+	container-name: hidden-indicator;
+
 	&:hover {
 		box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
 	}
@@ -71,11 +74,11 @@
 	display: flex;
 	flex-direction: column;
 	align-items: center;
-	justify-content: space-between;
+	justify-content: center;
 	width: 100%;
 	height: 100%;
-	padding: 20px;
-	gap: 16px;
+	padding: clamp(4px, 3cqh, 20px) clamp(4px, 2cqw, 16px);
+	gap: clamp(4px, 2cqh, 16px);
 }
 
 .header-section {
@@ -111,7 +114,7 @@
 	display: flex;
 	flex-direction: column;
 	align-items: center;
-	gap: 12px;
+	gap: clamp(4px, 1.5cqh, 12px);
 	flex: 1;
 	justify-content: center;
 
@@ -119,23 +122,28 @@
 		display: flex;
 		align-items: center;
 		justify-content: center;
-		width: 80px;
-		height: 80px;
+		// width: clamp(32px, 40cqw, 80px);
+		height: clamp(44px, 40cqh, 80px);
+		aspect-ratio: 1 / 1;
 		background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
 		border-radius: 50%;
-		font-size: 36px;
+		font-size: clamp(22px, 6cqh, 36px);
 		font-weight: 700;
 		color: #ffffff;
 		box-shadow: 0 4px 12px rgba(102, 126, 234, 0.5);
-		animation: pulse 2s ease-in-out infinite;
 	}
 
 	.count-label {
-		font-size: 15px;
+		font-size: clamp(14px, 2.5cqh, 15px);
 		font-weight: 500;
 		color: #e0e0e0;
 		text-align: center;
 		letter-spacing: 0.3px;
+		max-width: 100%;
+		overflow: hidden;
+		text-overflow: ellipsis;
+		white-space: nowrap;
+		padding: 0 4px;
 	}
 }
 
@@ -164,18 +172,38 @@
 	}
 }
 
-@keyframes pulse {
-	0%, 100% {
-		transform: scale(1);
-		box-shadow: 0 4px 12px rgba(102, 126, 234, 0.5);
+
+@container hidden-indicator (max-height: 100px) {
+	.count-label {
+		display: none;
 	}
-	50% {
-		transform: scale(1.05);
-		box-shadow: 0 6px 16px rgba(102, 126, 234, 0.7);
+
+	.count-section {
+		gap: 0;
+	}
+}
+
+@container hidden-indicator (max-width: 120px) {
+	.count-label {
+		display: none;
+	}
+
+	.count-section {
+		gap: 0;
+	}
+}
+
+// Para espacios extra pequeños, optimizar padding y sombras
+@container hidden-indicator (max-width: 100px) {
+	.vertical-content {
+		padding: 4px;
+	}
+
+	.count-badge-vertical {
+		box-shadow: 0 2px 6px rgba(102, 126, 234, 0.4);
 	}
 }
 
-// Responsive adjustments
 @media (max-width: 768px), (max-height: 500px) {
 	.count-badge-horizontal {
 		min-width: 40px;
diff --git a/meet-ce/frontend/projects/shared-meet-components/src/lib/components/hidden-participants-indicator/hidden-participants-indicator.component.ts b/meet-ce/frontend/projects/shared-meet-components/src/lib/components/hidden-participants-indicator/hidden-participants-indicator.component.ts
index 38712433..eedbdda0 100644
--- a/meet-ce/frontend/projects/shared-meet-components/src/lib/components/hidden-participants-indicator/hidden-participants-indicator.component.ts
+++ b/meet-ce/frontend/projects/shared-meet-components/src/lib/components/hidden-participants-indicator/hidden-participants-indicator.component.ts
@@ -1,5 +1,6 @@
 import { CommonModule } from '@angular/common';
 import { Component, computed, input } from '@angular/core';
+import { MatIconModule } from '@angular/material/icon';
 
 /**
  * Component that displays an indicator for participants not visible in the current layout.
@@ -10,7 +11,7 @@ import { Component, computed, input } from '@angular/core';
  */
 @Component({
 	selector: 'ov-hidden-participants-indicator',
-	imports: [CommonModule],
+	imports: [CommonModule, MatIconModule],
 	templateUrl: './hidden-participants-indicator.component.html',
 	styleUrl: './hidden-participants-indicator.component.scss'
 })
@@ -30,11 +31,10 @@ export class HiddenParticipantsIndicatorComponent {
 	 * Get the display text for the hidden participants count
 	 */
 	protected displayText = computed(() => {
-		if (this.count() === 0) return '';
 		return `+${this.count()}`;
 	});
 
 	protected descriptionText = computed(() => {
-		return this.count() === 1 ? 'participant not visible' : 'participants not visible';
+		return this.count() === 1 ? 'participant not currently visible' : 'participants not currently visible';
 	});
 }
diff --git a/meet-ce/frontend/projects/shared-meet-components/src/lib/customization/components/meeting-custom-layout/meeting-custom-layout.component.html b/meet-ce/frontend/projects/shared-meet-components/src/lib/customization/components/meeting-custom-layout/meeting-custom-layout.component.html
index f89a4215..84abe4a3 100644
--- a/meet-ce/frontend/projects/shared-meet-components/src/lib/customization/components/meeting-custom-layout/meeting-custom-layout.component.html
+++ b/meet-ce/frontend/projects/shared-meet-components/src/lib/customization/components/meeting-custom-layout/meeting-custom-layout.component.html
@@ -15,8 +15,16 @@
 				</div>
 			</ng-container>
 		} @else if (isSmartMosaicActive() && hiddenParticipantsCount() > 0) {
-			<ng-container *ovLayoutAdditionalElements>
-				<div [ngClass]="{ 'OV_top-bar': showTopBarHiddenParticipantsIndicator() }">
+			<!-- Use bottom slot to position indicator at the end -->
+			<ng-container *ovLayoutAdditionalElements="'bottom'">
+				<div
+					[ngClass]="{
+						'OV_top-bar': showTopBarHiddenParticipantsIndicator(),
+						OV_last: !showTopBarHiddenParticipantsIndicator(),
+						'participant-indicator-container': true
+					}"
+					(click)="toggleParticipantsPanel()"
+				>
 					<ov-hidden-participants-indicator
 						[count]="hiddenParticipantsCount()"
 						[mode]="showTopBarHiddenParticipantsIndicator() ? 'topbar' : 'standard'"
diff --git a/meet-ce/frontend/projects/shared-meet-components/src/lib/customization/components/meeting-custom-layout/meeting-custom-layout.component.scss b/meet-ce/frontend/projects/shared-meet-components/src/lib/customization/components/meeting-custom-layout/meeting-custom-layout.component.scss
index ae0c5e03..473c2bb2 100644
--- a/meet-ce/frontend/projects/shared-meet-components/src/lib/customization/components/meeting-custom-layout/meeting-custom-layout.component.scss
+++ b/meet-ce/frontend/projects/shared-meet-components/src/lib/customization/components/meeting-custom-layout/meeting-custom-layout.component.scss
@@ -1,6 +1,5 @@
 @use '../../../../../../../src/assets/styles/design-tokens';
 
-
 .remote-participant {
 	height: -webkit-fill-available;
 	height: -moz-available;
@@ -80,6 +79,9 @@
 	cursor: move;
 }
 
+.participant-indicator-container {
+	cursor: pointer;
+}
 .OV_top-bar {
 	box-sizing: border-box;
 	padding: 4px 4px 2px 4px !important;
diff --git a/meet-ce/frontend/projects/shared-meet-components/src/lib/customization/components/meeting-custom-layout/meeting-custom-layout.component.ts b/meet-ce/frontend/projects/shared-meet-components/src/lib/customization/components/meeting-custom-layout/meeting-custom-layout.component.ts
index 632c251d..717c3f52 100644
--- a/meet-ce/frontend/projects/shared-meet-components/src/lib/customization/components/meeting-custom-layout/meeting-custom-layout.component.ts
+++ b/meet-ce/frontend/projects/shared-meet-components/src/lib/customization/components/meeting-custom-layout/meeting-custom-layout.component.ts
@@ -1,6 +1,6 @@
 import { CommonModule } from '@angular/common';
 import { Component, computed, effect, inject, signal, untracked } from '@angular/core';
-import { ILogger, LoggerService, OpenViduComponentsUiModule, ParticipantModel } from 'openvidu-components-angular';
+import { ILogger, LoggerService, OpenViduComponentsUiModule, PanelService, PanelType, ParticipantModel } from 'openvidu-components-angular';
 import { HiddenParticipantsIndicatorComponent, ShareMeetingLinkComponent } from '../../../components';
 import { CustomParticipantModel } from '../../../models';
 import { MeetingContextService, MeetingService, MeetLayoutService } from '../../../services';
@@ -21,6 +21,7 @@ export class MeetingCustomLayoutComponent {
 	protected readonly layoutService = inject(MeetLayoutService);
 	protected readonly meetingContextService = inject(MeetingContextService);
 	protected readonly meetingService = inject(MeetingService);
+	protected readonly panelService = inject(PanelService);
 	protected readonly linkOverlayConfig = {
 		title: 'Start collaborating',
 		subtitle: 'Share this link to bring others into the meeting',
@@ -84,6 +85,10 @@ export class MeetingCustomLayoutComponent {
 		return this.isLayoutSwitchingAllowed() && this.layoutService.isSmartMosaicEnabled();
 	}
 
+	protected toggleParticipantsPanel(): void {
+		this.panelService.togglePanel(PanelType.PARTICIPANTS);
+	}
+
 	private setupVisibleParticipantsUpdate(): void {
 		effect(
 			() => {