diff --git a/assets/branding/medmind-loader-mark.png b/assets/branding/medmind-loader-mark.png
new file mode 100644
index 0000000..b0567b2
Binary files /dev/null and b/assets/branding/medmind-loader-mark.png differ
diff --git a/assets/branding/medmind-loader-mark.png.import b/assets/branding/medmind-loader-mark.png.import
new file mode 100644
index 0000000..8727f8f
--- /dev/null
+++ b/assets/branding/medmind-loader-mark.png.import
@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://boml17400d7mo"
+path="res://.godot/imported/medmind-loader-mark.png-35f1239f43a45c2dbbe197762d84e98a.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/branding/medmind-loader-mark.png"
+dest_files=["res://.godot/imported/medmind-loader-mark.png-35f1239f43a45c2dbbe197762d84e98a.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1
diff --git a/export_presets.cfg b/export_presets.cfg
index 2d65e89..88d49d7 100644
--- a/export_presets.cfg
+++ b/export_presets.cfg
@@ -21,7 +21,7 @@ variant/thread_support=false
 vram_texture_compression/for_desktop=true
 vram_texture_compression/for_mobile=true
 html/export_icon=true
-html/custom_html_shell=""
+html/custom_html_shell="res://web/medmind_shell.html"
 html/head_include="<meta name=\"description\" content=\"MedMind pre-alpha - Think like a physician.\">"
 html/canvas_resize_policy=2
 html/focus_canvas_on_start=true
diff --git a/scripts/autoload/ui_theme_service.gd b/scripts/autoload/ui_theme_service.gd
index 540ffcb..4c02130 100644
--- a/scripts/autoload/ui_theme_service.gd
+++ b/scripts/autoload/ui_theme_service.gd
@@ -13,6 +13,7 @@ var _is_dark := true
 func _enter_tree() -> void:
 	_is_dark = _load_preference()
 	Style.set_dark_mode(_is_dark)
+	_sync_web_preference()
 
 
 func is_dark_mode() -> bool:
@@ -25,6 +26,7 @@ func set_dark_mode(value: bool) -> void:
 	_is_dark = value
 	Style.set_dark_mode(_is_dark)
 	_save_preference()
+	_sync_web_preference()
 	theme_changed.emit(_is_dark)
 
 
@@ -59,3 +61,14 @@ func _save_preference() -> void:
 	config.set_value(SETTINGS_SECTION, SETTINGS_KEY, "dark" if _is_dark else "light")
 	if config.save(SETTINGS_PATH) != OK:
 		push_warning("Unable to save color scheme preference.")
+
+
+func _sync_web_preference() -> void:
+	if not OS.has_feature("web"):
+		return
+	JavaScriptBridge.eval(
+		"try { window.localStorage.setItem('medmind-color-scheme', %s); } catch (error) { console.warn('Theme preference storage is unavailable.', error); }" % JSON.stringify(
+			"dark" if _is_dark else "light"
+		),
+		true
+	)
diff --git a/web/Dockerfile b/web/Dockerfile
index 9fda59e..8ea3e0b 100644
--- a/web/Dockerfile
+++ b/web/Dockerfile
@@ -33,7 +33,11 @@ RUN mkdir -p /build \
     && sed -i "s|custom_template/release=\"\"|custom_template/release=\"/root/.local/share/godot/export_templates/${GODOT_TEMPLATE_DIR}/web_nothreads_release.zip\"|" export_presets.cfg \
     && godot --headless --editor --path /src --quit \
     && godot --verbose --headless --path /src --export-release Web /build/index.html \
+    && cp /src/assets/branding/medmind-loader-mark.png /build/medmind-loader-icon.png \
+    && cp /src/assets/fonts/Inter-Variable.ttf /build/medmind-inter.ttf \
     && test -s /build/index.html \
+    && test -s /build/medmind-loader-icon.png \
+    && test -s /build/medmind-inter.ttf \
     && test -s /build/index.wasm \
     && test -s /build/index.pck
 
diff --git a/web/medmind_shell.html b/web/medmind_shell.html
new file mode 100644
index 0000000..d4fff43
--- /dev/null
+++ b/web/medmind_shell.html
@@ -0,0 +1,419 @@
+<!DOCTYPE html>
+<html lang="en" data-theme="dark">
+	<head>
+		<meta charset="utf-8">
+		<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, viewport-fit=cover">
+		<title>$GODOT_PROJECT_NAME</title>
+		<script>
+			(function () {
+				let savedTheme = null;
+				try {
+					savedTheme = window.localStorage.getItem('medmind-color-scheme');
+				} catch (error) {
+					console.warn('Theme preference storage is unavailable.', error);
+				}
+				const systemTheme = window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches
+					? 'dark'
+					: 'light';
+				document.documentElement.dataset.theme = savedTheme === 'dark' || savedTheme === 'light'
+					? savedTheme
+					: systemTheme;
+			}());
+		</script>
+		<style>
+			@font-face {
+				font-family: "Inter";
+				src: url("medmind-inter.ttf") format("truetype");
+				font-style: normal;
+				font-weight: 100 900;
+				font-display: swap;
+			}
+
+			:root {
+				color-scheme: light;
+				--background: #f8faff;
+				--background-accent: rgba(124, 58, 237, 0.12);
+				--background-accent-secondary: rgba(37, 99, 235, 0.08);
+				--dot: rgba(99, 102, 241, 0.26);
+				--brand-dark: #0b1324;
+				--muted: #64748b;
+				--track: #e8eaf7;
+				--error-background: rgba(255, 255, 255, 0.94);
+				--error-border: #ef4444;
+				--error-text: #991b1b;
+			}
+
+			:root[data-theme="dark"] {
+				color-scheme: dark;
+				--background: #020b1d;
+				--background-accent: rgba(124, 58, 237, 0.3);
+				--background-accent-secondary: rgba(37, 99, 235, 0.18);
+				--dot: rgba(61, 91, 210, 0.68);
+				--brand-dark: #f8fafc;
+				--muted: #94a3b8;
+				--track: #111c38;
+				--error-background: rgba(17, 27, 48, 0.96);
+				--error-border: #fb7185;
+				--error-text: #fecdd3;
+			}
+
+			html, body, #canvas {
+				border: 0;
+				margin: 0;
+				padding: 0;
+			}
+
+			html, body {
+				height: 100%;
+				width: 100%;
+			}
+
+			body {
+				background: var(--background);
+				color: var(--brand-dark);
+				font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
+				overflow: hidden;
+				touch-action: none;
+			}
+
+			#canvas {
+				display: block;
+			}
+
+			#canvas:focus {
+				outline: none;
+			}
+
+			#status {
+				align-items: center;
+				background:
+					radial-gradient(circle at 0% 100%, var(--background-accent-secondary) 0, transparent 31%),
+					radial-gradient(circle at 100% 0%, var(--background-accent) 0, transparent 32%),
+					var(--background);
+				display: flex;
+				inset: 0;
+				justify-content: center;
+				min-height: 100%;
+				position: fixed;
+				transition: opacity 180ms ease;
+				visibility: hidden;
+				z-index: 10;
+			}
+
+			#status::before,
+			#status::after {
+				background-image: radial-gradient(circle, var(--dot) 0 3px, transparent 3.5px);
+				background-size: 27px 27px;
+				content: "";
+				height: 150px;
+				position: absolute;
+				width: 180px;
+				z-index: 1;
+			}
+
+			#status::before {
+				left: clamp(24px, 3vw, 64px);
+				top: clamp(22px, 5vh, 64px);
+			}
+
+			#status::after {
+				bottom: clamp(22px, 5vh, 64px);
+				right: clamp(24px, 3vw, 64px);
+			}
+
+			.loader {
+				align-items: center;
+				display: flex;
+				flex-direction: column;
+				padding: 32px;
+				position: relative;
+				width: min(640px, calc(100vw - 48px));
+				z-index: 2;
+			}
+
+			.corner-accent {
+				border-radius: 50%;
+				height: min(42vw, 430px);
+				pointer-events: none;
+				position: absolute;
+				width: min(42vw, 430px);
+				z-index: 0;
+			}
+
+			.corner-accent--top {
+				background: radial-gradient(circle at 35% 65%, rgba(124, 58, 237, 0.04), rgba(99, 102, 241, 0.13));
+				right: max(-150px, -10vw);
+				top: max(-180px, -13vw);
+			}
+
+			.corner-accent--bottom {
+				background: radial-gradient(circle at 65% 35%, rgba(124, 58, 237, 0.02), rgba(99, 102, 241, 0.1));
+				bottom: max(-210px, -16vw);
+				left: max(-180px, -13vw);
+			}
+
+			:root[data-theme="dark"] .corner-accent--top {
+				background: radial-gradient(circle at 30% 70%, rgba(124, 58, 237, 0.18), rgba(49, 46, 129, 0.72));
+			}
+
+			:root[data-theme="dark"] .corner-accent--bottom {
+				background: radial-gradient(circle at 70% 30%, rgba(37, 99, 235, 0.1), rgba(30, 58, 138, 0.55));
+			}
+
+			.loader-logo-wrap {
+				height: clamp(112px, 16vw, 154px);
+				position: relative;
+				width: clamp(112px, 16vw, 154px);
+			}
+
+			.loader-logo {
+				display: block;
+				height: 100%;
+				object-fit: contain;
+				width: 100%;
+			}
+
+			.loader-logo-wrap::before,
+			.loader-logo-wrap::after {
+				background: #3154c4;
+				border-radius: 2px;
+				content: "";
+				left: 50%;
+				position: absolute;
+				top: 50%;
+				transform: translate(-50%, -50%);
+			}
+
+			.loader-logo-wrap::before {
+				height: 8%;
+				width: 19%;
+			}
+
+			.loader-logo-wrap::after {
+				height: 19%;
+				width: 8%;
+			}
+
+			:root[data-theme="dark"] .loader-logo-wrap::before,
+			:root[data-theme="dark"] .loader-logo-wrap::after {
+				background: #ffffff;
+			}
+
+			.loader-wordmark {
+				font-size: clamp(52px, 7vw, 78px);
+				font-weight: 650;
+				letter-spacing: 0;
+				line-height: 1;
+				margin: 12px 0 0;
+			}
+
+			.wordmark-med {
+				color: var(--brand-dark);
+			}
+
+			.wordmark-mind {
+				background: linear-gradient(90deg, #2563eb 0%, #7c3aed 58%, #d946ef 100%);
+				background-clip: text;
+				color: transparent;
+				-webkit-background-clip: text;
+			}
+
+			.loader-tagline {
+				color: var(--muted);
+				font-size: clamp(20px, 2.3vw, 28px);
+				font-weight: 430;
+				letter-spacing: 0;
+				margin: 17px 0 clamp(36px, 6vh, 54px);
+			}
+
+			.progress-row {
+				align-items: center;
+				display: flex;
+				gap: 18px;
+				width: 100%;
+			}
+
+			.progress-track {
+				background: var(--track);
+				border-radius: 999px;
+				flex: 1;
+				height: 16px;
+				overflow: hidden;
+			}
+
+			.progress-value {
+				background: linear-gradient(90deg, #2563eb 0%, #7c3aed 60%, #a855f7 100%);
+				border-radius: inherit;
+				height: 100%;
+				transform-origin: left center;
+				transition: width 120ms ease-out;
+				width: 0%;
+			}
+
+			.progress-percent {
+				color: #3563f4;
+				font-size: 22px;
+				font-variant-numeric: tabular-nums;
+				font-weight: 650;
+				min-width: 60px;
+			}
+
+			.loader-message {
+				color: var(--muted);
+				font-size: 19px;
+				letter-spacing: 0;
+				margin: 24px 0 0;
+				text-align: center;
+			}
+
+			#status-notice {
+				background: var(--error-background);
+				border: 1px solid var(--error-border);
+				border-radius: 8px;
+				color: var(--error-text);
+				display: none;
+				font-size: 16px;
+				line-height: 1.5;
+				margin-top: 28px;
+				max-height: min(240px, 35vh);
+				overflow: auto;
+				padding: 16px 20px;
+				text-align: center;
+				width: min(540px, calc(100vw - 80px));
+			}
+
+			@media (max-width: 600px) {
+				#status::before,
+				#status::after {
+					background-size: 20px 20px;
+					height: 100px;
+					opacity: 0.72;
+					width: 120px;
+				}
+
+				.loader {
+					padding: 24px;
+					width: min(430px, calc(100vw - 32px));
+				}
+
+				.loader-wordmark {
+					font-size: clamp(46px, 15vw, 66px);
+				}
+
+				.progress-row {
+					gap: 12px;
+				}
+
+				.progress-track {
+					height: 13px;
+				}
+
+				.progress-percent {
+					font-size: 18px;
+					min-width: 48px;
+				}
+			}
+
+			@media (prefers-reduced-motion: reduce) {
+				#status,
+				.progress-value {
+					transition: none;
+				}
+			}
+		</style>
+		$GODOT_HEAD_INCLUDE
+	</head>
+	<body>
+		<canvas id="canvas">
+			Your browser does not support the canvas tag.
+		</canvas>
+
+		<noscript>Your browser does not support JavaScript.</noscript>
+
+		<div id="status" role="status" aria-live="polite">
+			<div class="corner-accent corner-accent--top"></div>
+			<div class="corner-accent corner-accent--bottom"></div>
+			<div class="loader">
+				<div class="loader-logo-wrap">
+					<img class="loader-logo" src="medmind-loader-icon.png" alt="MedMind">
+				</div>
+				<div class="loader-wordmark" aria-label="MedMind">
+					<span class="wordmark-med">Med</span><span class="wordmark-mind">Mind</span>
+				</div>
+				<p class="loader-tagline">Think like a physician.</p>
+				<div id="status-progress" class="progress-row" role="progressbar" aria-label="Loading MedMind" aria-valuemin="0" aria-valuemax="100" aria-valuenow="0">
+					<div class="progress-track"><div id="status-progress-value" class="progress-value"></div></div>
+					<span id="status-progress-percent" class="progress-percent">0%</span>
+				</div>
+				<p id="status-message" class="loader-message">Loading your study experience...</p>
+				<div id="status-notice" role="alert"></div>
+			</div>
+		</div>
+
+		<script src="$GODOT_URL"></script>
+		<script>
+			const GODOT_CONFIG = $GODOT_CONFIG;
+			const engine = new Engine(GODOT_CONFIG);
+
+			(function () {
+				const statusOverlay = document.getElementById('status');
+				const statusProgress = document.getElementById('status-progress');
+				const progressValue = document.getElementById('status-progress-value');
+				const progressPercent = document.getElementById('status-progress-percent');
+				const statusMessage = document.getElementById('status-message');
+				const statusNotice = document.getElementById('status-notice');
+				let initializing = true;
+
+				function showLoader() {
+					statusOverlay.style.visibility = 'visible';
+				}
+
+				function updateProgress(current, total) {
+					const percentage = current > 0 && total > 0
+						? Math.max(0, Math.min(100, Math.round((current / total) * 100)))
+						: 0;
+					progressValue.style.width = percentage + '%';
+					progressPercent.textContent = percentage + '%';
+					statusProgress.setAttribute('aria-valuenow', String(percentage));
+				}
+
+				function displayFailureNotice(error) {
+					console.error(error);
+					const message = error instanceof Error
+						? error.message
+						: (typeof error === 'string' ? error : 'An unknown error occurred.');
+					statusProgress.style.display = 'none';
+					statusMessage.textContent = 'MedMind could not finish loading.';
+					statusNotice.textContent = message;
+					statusNotice.style.display = 'block';
+					initializing = false;
+				}
+
+				showLoader();
+				const missing = Engine.getMissingFeatures({ threads: false });
+				if (missing.length !== 0) {
+					displayFailureNotice('Required browser features are unavailable: ' + missing.join(', '));
+					return;
+				}
+
+				engine.startGame({
+					onProgress: updateProgress,
+				}).then(function () {
+					if (!initializing) {
+						return;
+					}
+					statusOverlay.style.opacity = '0';
+					statusOverlay.addEventListener('transitionend', function () {
+						statusOverlay.remove();
+					}, { once: true });
+					window.setTimeout(function () {
+						if (statusOverlay.isConnected) {
+							statusOverlay.remove();
+						}
+					}, 250);
+					initializing = false;
+				}, displayFailureNotice);
+			}());
+		</script>
+	</body>
+</html>