diff --git a/frontend/src/lib/components/SlideCarousel.svelte b/frontend/src/lib/components/SlideCarousel.svelte
index f4d438b..2ae2828 100644
--- a/frontend/src/lib/components/SlideCarousel.svelte
+++ b/frontend/src/lib/components/SlideCarousel.svelte
@@ -3,6 +3,7 @@
 
 	let activeIndex = $state(0);
 	let isFullscreen = $state(false);
+	let isExpanded = $state(false); // Default to hidden (collapsed)
 	let carouselEl = $state<HTMLElement | null>(null);
 
 	function next() {
@@ -33,8 +34,13 @@
 		}
 	}
 
+	function toggleExpand() {
+		isExpanded = !isExpanded;
+	}
+
 	// Keyboard navigation
 	function handleKeydown(e: KeyboardEvent) {
+		if (!isExpanded && !isFullscreen) return;
 		if (e.key === 'ArrowRight') next();
 		if (e.key === 'ArrowLeft') prev();
 		if (e.key === 'f' || e.key === 'F') toggleFullscreen();
@@ -45,76 +51,137 @@
 	if (typeof document !== 'undefined') {
 		document.addEventListener('fullscreenchange', () => {
 			isFullscreen = !!document.fullscreenElement;
+			if (isFullscreen) isExpanded = true;
 		});
 	}
 </script>
 
 <svelte:window onkeydown={handleKeydown} />
 
-<div class="slide-carousel" class:is-fullscreen={isFullscreen} bind:this={carouselEl}>
-	<div class="slide-container">
-		{#each slides as slide, i}
-			<div class="slide" class:active={i === activeIndex}>
-				<div class="slide-content prose">
-					{@html slide}
+<div class="slide-carousel-wrapper" class:collapsed={!isExpanded && !isFullscreen}>
+	{#if !isExpanded && !isFullscreen}
+		<button class="expand-toggle-btn" onclick={toggleExpand}>
+			<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="m6 9 6 6 6-6"/></svg>
+			Tampilkan Slide Materi ({slides.length} Slide)
+		</button>
+	{:else}
+		<div class="slide-carousel" class:is-fullscreen={isFullscreen} bind:this={carouselEl}>
+			<div class="carousel-header">
+				<button class="collapse-btn" onclick={toggleExpand} aria-label="Sembunyikan slide">
+					<svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="m18 15-6-6-6 6"/></svg>
+					Sembunyikan Slide
+				</button>
+				<div class="slide-counter-top">
+					{activeIndex + 1} / {slides.length}
 				</div>
 			</div>
-		{/each}
-	</div>
 
-	{#if slides.length > 0}
-		<div class="slide-controls">
-			<div class="left-controls">
-				<button class="btn-nav prev" onclick={prev} disabled={activeIndex === 0} aria-label="Previous slide">
-					&larr;
-				</button>
-			</div>
-			
-			<div class="center-controls">
-				{#if slides.length > 1}
-					<div class="slide-dots">
-						{#each slides as _, i}
-							<button 
-								class="dot" 
-								class:active={i === activeIndex} 
-								onclick={() => goTo(i)}
-								aria-label="Go to slide {i + 1}"
-							></button>
-						{/each}
+			<div class="slide-container">
+				{#each slides as slide, i}
+					<div class="slide" class:active={i === activeIndex}>
+						<div class="slide-inner">
+							<div class="slide-content prose">
+								{@html slide}
+							</div>
+						</div>
 					</div>
-				{/if}
+				{/each}
 			</div>
 
-			<div class="right-controls">
-				<button class="btn-fullscreen" onclick={toggleFullscreen} aria-label="Toggle fullscreen">
-					{#if isFullscreen}
-						<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M8 3v3a2 2 0 0 1-2 2H3m18 0h-3a2 2 0 0 1-2-2V3m0 18v-3a2 2 0 0 1 2-2h3M3 16h3a2 2 0 0 1 2 2v3"/></svg>
-					{:else}
-						<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M8 3H5a2 2 0 0 0-2 2v3m18 0V5a2 2 0 0 0-2-2h-3m0 18h3a2 2 0 0 0 2-2v-3M3 16v3a2 2 0 0 0 2 2h3"/></svg>
-					{/if}
-				</button>
-				<button class="btn-nav next" onclick={next} disabled={activeIndex === slides.length - 1} aria-label="Next slide">
-					&rarr;
-				</button>
-			</div>
-		</div>
-		<div class="slide-counter">
-			{activeIndex + 1} / {slides.length}
+			{#if slides.length > 0}
+				<div class="slide-controls">
+					<div class="left-controls">
+						<button class="btn-nav prev" onclick={prev} disabled={activeIndex === 0} aria-label="Previous slide">
+							&larr;
+						</button>
+					</div>
+					
+					<div class="center-controls">
+						{#if slides.length > 1}
+							<div class="slide-dots">
+								{#each slides as _, i}
+									<button 
+										class="dot" 
+										class:active={i === activeIndex} 
+										onclick={() => goTo(i)}
+										aria-label="Go to slide {i + 1}"
+									></button>
+								{/each}
+							</div>
+						{/if}
+					</div>
+
+					<div class="right-controls">
+						<button class="btn-fullscreen" onclick={toggleFullscreen} aria-label="Toggle fullscreen">
+							{#if isFullscreen}
+								<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M8 3v3a2 2 0 0 1-2 2H3m18 0h-3a2 2 0 0 1-2-2V3m0 18v-3a2 2 0 0 1 2-2h3M3 16h3a2 2 0 0 1 2 2v3"/></svg>
+							{:else}
+								<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M8 3H5a2 2 0 0 0-2 2v3m18 0V5a2 2 0 0 0-2-2h-3m0 18h3a2 2 0 0 0 2-2v-3M3 16v3a2 2 0 0 0 2 2h3"/></svg>
+							{/if}
+						</button>
+						<button class="btn-nav next" onclick={next} disabled={activeIndex === slides.length - 1} aria-label="Next slide">
+							&rarr;
+						</button>
+					</div>
+				</div>
+			{/if}
 		</div>
 	{/if}
 </div>
 
 <style>
-	.slide-carousel {
-		background: #f8fafc;
-		border: 1px solid #e2e8f0;
-		border-radius: 12px;
+	:root {
+		--slide-bg: #f8fafc;
+		--slide-controls-bg: #ffffff;
+		--slide-border: #e2e8f0;
+		--slide-primary: #3b82f6;
+		--slide-text: #1e293b;
+		--slide-header-bg: #f1f5f9;
+	}
+
+	.slide-carousel-wrapper {
 		margin: 1.5rem 0;
+		transition: all 0.3s ease;
+	}
+
+	.slide-carousel-wrapper.collapsed {
+		border: 1px dashed var(--slide-border);
+		border-radius: 12px;
+		background: var(--slide-bg);
+	}
+
+	.expand-toggle-btn {
+		width: 100%;
+		padding: 1.25rem;
+		background: transparent;
+		border: none;
+		color: #64748b;
+		font-weight: 600;
+		cursor: pointer;
+		display: flex;
+		align-items: center;
+		justify-content: center;
+		gap: 0.75rem;
+		transition: color 0.2s, background 0.2s;
+		border-radius: 12px;
+	}
+
+	.expand-toggle-btn:hover {
+		color: var(--slide-primary);
+		background: rgba(59, 130, 246, 0.05);
+	}
+
+	.slide-carousel {
+		background: var(--slide-bg);
+		border: 1px solid var(--slide-border);
+		border-radius: 12px;
 		position: relative;
 		overflow: hidden;
 		box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
 		display: flex;
 		flex-direction: column;
+		color: var(--slide-text);
+		height: 500px; /* Slightly taller default */
 	}
 
 	.slide-carousel.is-fullscreen {
@@ -129,16 +196,54 @@
 		background: #ffffff;
 	}
 
+	.carousel-header {
+		display: flex;
+		align-items: center;
+		justify-content: space-between;
+		padding: 0.5rem 1rem;
+		background: var(--slide-header-bg);
+		border-bottom: 1px solid var(--slide-border);
+	}
+
+	.is-fullscreen .carousel-header {
+		display: none; /* Hide top header in fullscreen */
+	}
+
+	.collapse-btn {
+		background: transparent;
+		border: none;
+		color: #64748b;
+		font-size: 0.85rem;
+		font-weight: 600;
+		display: flex;
+		align-items: center;
+		gap: 0.5rem;
+		cursor: pointer;
+		padding: 0.25rem 0.5rem;
+		border-radius: 6px;
+	}
+
+	.collapse-btn:hover {
+		background: rgba(0,0,0,0.05);
+		color: var(--slide-text);
+	}
+
+	.slide-counter-top {
+		font-size: 0.75rem;
+		font-weight: 700;
+		color: #94a3b8;
+		background: white;
+		padding: 2px 8px;
+		border-radius: 10px;
+		border: 1px solid var(--slide-border);
+	}
+
 	.slide-container {
 		display: grid;
 		grid-template-areas: "stack";
-		flex-grow: 1;
-		min-height: 300px;
-		background: inherit;
-	}
-
-	.is-fullscreen .slide-container {
+		flex: 1;
 		min-height: 0;
+		background: inherit;
 	}
 
 	.slide {
@@ -147,18 +252,12 @@
 		visibility: hidden;
 		transition: opacity 0.4s ease, transform 0.4s ease;
 		transform: translateX(20px);
-		padding: 2.5rem;
 		display: flex;
 		flex-direction: column;
-		justify-content: center;
-		align-items: center;
-		text-align: center;
 		background: inherit;
 		overflow-y: auto;
-	}
-
-	.is-fullscreen .slide {
-		padding: 4rem;
+		height: 100%;
+		scrollbar-width: thin;
 	}
 
 	.slide.active {
@@ -167,41 +266,67 @@
 		transform: translateX(0);
 	}
 
-	.slide-content {
-		max-width: 100%;
+	.slide-inner {
+		display: flex;
+		flex-direction: column;
+		align-items: center;
+		padding: clamp(1rem, 5vw, 3rem);
+		min-height: 100%;
 		width: 100%;
+		box-sizing: border-box;
+		text-align: center;
+	}
+
+	.slide-inner::before,
+	.slide-inner::after {
+		content: "";
+		margin: auto;
+	}
+
+	.slide-content {
+		max-width: 1000px !important; 
+		font-size: clamp(0.95rem, 1.5vw, 1.25rem);
+	}
+
+	.slide-content :global(h1) { font-size: clamp(1.8rem, 5vw, 3rem); line-height: 1.2; margin-top: 0; }
+	.slide-content :global(h2) { font-size: clamp(1.5rem, 4vw, 2.25rem); }
+	.slide-content :global(h3) { font-size: clamp(1.2rem, 3vw, 1.75rem); }
+	.slide-content :global(p) { line-height: 1.6; }
+	.slide-content :global(img) { 
+		max-height: 50vh; 
+		width: auto; 
+		max-width: 100%;
+		object-fit: contain;
+		border-radius: 8px;
+		margin: 1rem auto;
+	}
+
+	.is-fullscreen .slide-inner {
+		padding: clamp(1.5rem, 8vw, 6rem);
 	}
 
 	.is-fullscreen .slide-content {
-		font-size: 1.5rem;
-		max-width: 900px;
+		font-size: clamp(1.1rem, 2vw, 1.6rem);
 	}
 
-	.is-fullscreen .slide-content :global(h1) { font-size: 3.5rem; }
-	.is-fullscreen .slide-content :global(h2) { font-size: 2.5rem; }
-	.is-fullscreen .slide-content :global(h3) { font-size: 2rem; }
-
-	.slide-content :global(h1), 
-	.slide-content :global(h2), 
-	.slide-content :global(h3), 
-	.slide-content :global(p) {
-		margin-left: auto;
-		margin-right: auto;
-	}
+	.is-fullscreen .slide-content :global(h1) { font-size: clamp(2.5rem, 8vw, 5rem); }
+	.is-fullscreen .slide-content :global(h2) { font-size: clamp(2rem, 6vw, 3.5rem); }
+	.is-fullscreen .slide-content :global(h3) { font-size: clamp(1.5rem, 4vw, 2.5rem); }
 
 	.slide-controls {
 		display: flex;
 		align-items: center;
 		justify-content: space-between;
-		padding: 1rem 1.5rem;
-		background: #ffffff;
-		border-top: 1px solid #e2e8f0;
+		padding: 0.75rem 1.25rem;
+		background: var(--slide-controls-bg);
+		border-top: 1px solid var(--slide-border);
 		user-select: none;
+		z-index: 10;
 	}
 
 	.is-fullscreen .slide-controls {
 		padding: 1.5rem 3rem;
-		background: #f8fafc;
+		background: var(--slide-bg);
 	}
 
 	.left-controls, .right-controls {
@@ -211,10 +336,10 @@
 	}
 
 	.btn-nav, .btn-fullscreen {
-		background: #3b82f6;
+		background: var(--slide-primary);
 		color: white;
 		border: none;
-		border-radius: 8px;
+		border-radius: 10px;
 		width: 44px;
 		height: 44px;
 		display: flex;
@@ -223,6 +348,7 @@
 		cursor: pointer;
 		font-size: 1.25rem;
 		transition: all 0.2s;
+		box-shadow: 0 2px 4px rgba(0,0,0,0.1);
 	}
 
 	.btn-fullscreen {
@@ -231,7 +357,8 @@
 
 	.btn-nav:hover:not(:disabled), .btn-fullscreen:hover {
 		filter: brightness(1.1);
-		transform: translateY(-1px);
+		transform: translateY(-2px);
+		box-shadow: 0 4px 8px rgba(0,0,0,0.15);
 	}
 
 	.btn-nav:active:not(:disabled), .btn-fullscreen:active {
@@ -241,11 +368,12 @@
 	.btn-nav:disabled {
 		background: #cbd5e1;
 		cursor: not-allowed;
+		box-shadow: none;
 	}
 
 	.slide-dots {
 		display: flex;
-		gap: 0.5rem;
+		gap: 0.6rem;
 	}
 
 	.dot {
@@ -256,44 +384,71 @@
 		border: none;
 		padding: 0;
 		cursor: pointer;
-		transition: background 0.2s, transform 0.2s;
+		transition: all 0.2s;
 	}
 
 	.dot.active {
-		background: #3b82f6;
-		transform: scale(1.2);
+		background: var(--slide-primary);
+		transform: scale(1.3);
+		width: 24px;
+		border-radius: 5px;
 	}
 
-	.slide-counter {
-		position: absolute;
-		top: 1rem;
-		right: 1rem;
-		background: rgba(0, 0, 0, 0.05);
-		padding: 0.25rem 0.75rem;
-		border-radius: 20px;
-		font-size: 0.875rem;
+	/* Desktop Counter moved to controls if not fullscreen */
+	:not(.is-fullscreen) .slide-counter-bottom {
+		font-size: 0.85rem;
+		font-weight: 600;
 		color: #64748b;
-		font-weight: 500;
-	}
-
-	.is-fullscreen .slide-counter {
-		top: 2rem;
-		right: 2rem;
-		font-size: 1.1rem;
-		padding: 0.5rem 1rem;
 	}
 
+	/* Mobile Optimizations */
 	@media (max-width: 768px) {
-		.slide {
-			padding: 1.5rem;
+		.slide-carousel {
+			height: auto;
+			min-height: 400px;
 		}
 		
-		.slide-container {
-			min-height: 250px;
+		.slide-inner {
+			padding: 1.5rem 1rem;
 		}
 
-		.is-fullscreen .slide {
-			padding: 2rem 1rem;
+		.slide-controls {
+			padding: 0.75rem;
+		}
+
+		.btn-nav, .btn-fullscreen {
+			width: 40px;
+			height: 40px;
+		}
+
+		.slide-dots {
+			display: none;
+		}
+	}
+
+	/* Landscape specific fixes */
+	@media (max-height: 500px) and (orientation: landscape) {
+		.is-fullscreen .slide-inner {
+			padding: 1rem 3rem;
+			display: block;
+			text-align: left;
+		}
+
+		.is-fullscreen .slide-inner::before,
+		.is-fullscreen .slide-inner::after {
+			display: none;
+		}
+
+		.is-fullscreen .slide-content :global(h1) { font-size: 2rem; }
+		.is-fullscreen .slide-content :global(img) { max-height: 60vh; width: auto; float: right; margin: 0 0 1rem 1.5rem; }
+
+		.is-fullscreen .slide-controls {
+			padding: 0.5rem 2rem;
+		}
+
+		.btn-nav, .btn-fullscreen {
+			height: 36px;
+			width: 36px;
 		}
 	}
 </style>