diff --git a/frontend/src/lib/components/ui/alert-dialog/alert-dialog-action.svelte b/frontend/src/lib/components/ui/alert-dialog/alert-dialog-action.svelte
new file mode 100644
index 0000000..a005691
--- /dev/null
+++ b/frontend/src/lib/components/ui/alert-dialog/alert-dialog-action.svelte
@@ -0,0 +1,18 @@
+<script lang="ts">
+	import { AlertDialog as AlertDialogPrimitive } from "bits-ui";
+	import { buttonVariants } from "$lib/components/ui/button/index.js";
+	import { cn } from "$lib/utils.js";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		...restProps
+	}: AlertDialogPrimitive.ActionProps = $props();
+</script>
+
+<AlertDialogPrimitive.Action
+	bind:ref
+	data-slot="alert-dialog-action"
+	class={cn(buttonVariants(), className)}
+	{...restProps}
+/>
diff --git a/frontend/src/lib/components/ui/alert-dialog/alert-dialog-cancel.svelte b/frontend/src/lib/components/ui/alert-dialog/alert-dialog-cancel.svelte
new file mode 100644
index 0000000..a7b0cf7
--- /dev/null
+++ b/frontend/src/lib/components/ui/alert-dialog/alert-dialog-cancel.svelte
@@ -0,0 +1,18 @@
+<script lang="ts">
+	import { AlertDialog as AlertDialogPrimitive } from "bits-ui";
+	import { buttonVariants } from "$lib/components/ui/button/index.js";
+	import { cn } from "$lib/utils.js";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		...restProps
+	}: AlertDialogPrimitive.CancelProps = $props();
+</script>
+
+<AlertDialogPrimitive.Cancel
+	bind:ref
+	data-slot="alert-dialog-cancel"
+	class={cn(buttonVariants({ variant: "outline" }), className)}
+	{...restProps}
+/>
diff --git a/frontend/src/lib/components/ui/alert-dialog/alert-dialog-content.svelte b/frontend/src/lib/components/ui/alert-dialog/alert-dialog-content.svelte
new file mode 100644
index 0000000..6c3c604
--- /dev/null
+++ b/frontend/src/lib/components/ui/alert-dialog/alert-dialog-content.svelte
@@ -0,0 +1,27 @@
+<script lang="ts">
+	import { AlertDialog as AlertDialogPrimitive } from "bits-ui";
+	import AlertDialogOverlay from "./alert-dialog-overlay.svelte";
+	import { cn, type WithoutChild, type WithoutChildrenOrChild } from "$lib/utils.js";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		portalProps,
+		...restProps
+	}: WithoutChild<AlertDialogPrimitive.ContentProps> & {
+		portalProps?: WithoutChildrenOrChild<AlertDialogPrimitive.PortalProps>;
+	} = $props();
+</script>
+
+<AlertDialogPrimitive.Portal {...portalProps}>
+	<AlertDialogOverlay />
+	<AlertDialogPrimitive.Content
+		bind:ref
+		data-slot="alert-dialog-content"
+		class={cn(
+			"bg-background data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 fixed left-[50%] top-[50%] z-50 grid w-full max-w-[calc(100%-2rem)] translate-x-[-50%] translate-y-[-50%] gap-4 rounded-lg border p-6 shadow-lg duration-200 sm:max-w-lg",
+			className
+		)}
+		{...restProps}
+	/>
+</AlertDialogPrimitive.Portal>
diff --git a/frontend/src/lib/components/ui/alert-dialog/alert-dialog-description.svelte b/frontend/src/lib/components/ui/alert-dialog/alert-dialog-description.svelte
new file mode 100644
index 0000000..2ec67dc
--- /dev/null
+++ b/frontend/src/lib/components/ui/alert-dialog/alert-dialog-description.svelte
@@ -0,0 +1,17 @@
+<script lang="ts">
+	import { AlertDialog as AlertDialogPrimitive } from "bits-ui";
+	import { cn } from "$lib/utils.js";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		...restProps
+	}: AlertDialogPrimitive.DescriptionProps = $props();
+</script>
+
+<AlertDialogPrimitive.Description
+	bind:ref
+	data-slot="alert-dialog-description"
+	class={cn("text-muted-foreground text-sm", className)}
+	{...restProps}
+/>
diff --git a/frontend/src/lib/components/ui/alert-dialog/alert-dialog-footer.svelte b/frontend/src/lib/components/ui/alert-dialog/alert-dialog-footer.svelte
new file mode 100644
index 0000000..f78b97a
--- /dev/null
+++ b/frontend/src/lib/components/ui/alert-dialog/alert-dialog-footer.svelte
@@ -0,0 +1,20 @@
+<script lang="ts">
+	import { cn, type WithElementRef } from "$lib/utils.js";
+	import type { HTMLAttributes } from "svelte/elements";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		children,
+		...restProps
+	}: WithElementRef<HTMLAttributes<HTMLDivElement>> = $props();
+</script>
+
+<div
+	bind:this={ref}
+	data-slot="alert-dialog-footer"
+	class={cn("flex flex-col-reverse gap-2 sm:flex-row sm:justify-end", className)}
+	{...restProps}
+>
+	{@render children?.()}
+</div>
diff --git a/frontend/src/lib/components/ui/alert-dialog/alert-dialog-header.svelte b/frontend/src/lib/components/ui/alert-dialog/alert-dialog-header.svelte
new file mode 100644
index 0000000..c8fa762
--- /dev/null
+++ b/frontend/src/lib/components/ui/alert-dialog/alert-dialog-header.svelte
@@ -0,0 +1,20 @@
+<script lang="ts">
+	import type { HTMLAttributes } from "svelte/elements";
+	import { cn, type WithElementRef } from "$lib/utils.js";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		children,
+		...restProps
+	}: WithElementRef<HTMLAttributes<HTMLDivElement>> = $props();
+</script>
+
+<div
+	bind:this={ref}
+	data-slot="alert-dialog-header"
+	class={cn("flex flex-col gap-2 text-center sm:text-left", className)}
+	{...restProps}
+>
+	{@render children?.()}
+</div>
diff --git a/frontend/src/lib/components/ui/alert-dialog/alert-dialog-overlay.svelte b/frontend/src/lib/components/ui/alert-dialog/alert-dialog-overlay.svelte
new file mode 100644
index 0000000..a64ee76
--- /dev/null
+++ b/frontend/src/lib/components/ui/alert-dialog/alert-dialog-overlay.svelte
@@ -0,0 +1,20 @@
+<script lang="ts">
+	import { AlertDialog as AlertDialogPrimitive } from "bits-ui";
+	import { cn } from "$lib/utils.js";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		...restProps
+	}: AlertDialogPrimitive.OverlayProps = $props();
+</script>
+
+<AlertDialogPrimitive.Overlay
+	bind:ref
+	data-slot="alert-dialog-overlay"
+	class={cn(
+		"data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 fixed inset-0 z-50 bg-black/50",
+		className
+	)}
+	{...restProps}
+/>
diff --git a/frontend/src/lib/components/ui/alert-dialog/alert-dialog-title.svelte b/frontend/src/lib/components/ui/alert-dialog/alert-dialog-title.svelte
new file mode 100644
index 0000000..7ef2b5f
--- /dev/null
+++ b/frontend/src/lib/components/ui/alert-dialog/alert-dialog-title.svelte
@@ -0,0 +1,17 @@
+<script lang="ts">
+	import { AlertDialog as AlertDialogPrimitive } from "bits-ui";
+	import { cn } from "$lib/utils.js";
+
+	let {
+		ref = $bindable(null),
+		class: className,
+		...restProps
+	}: AlertDialogPrimitive.TitleProps = $props();
+</script>
+
+<AlertDialogPrimitive.Title
+	bind:ref
+	data-slot="alert-dialog-title"
+	class={cn("text-lg font-semibold", className)}
+	{...restProps}
+/>
diff --git a/frontend/src/lib/components/ui/alert-dialog/alert-dialog-trigger.svelte b/frontend/src/lib/components/ui/alert-dialog/alert-dialog-trigger.svelte
new file mode 100644
index 0000000..b22d1d5
--- /dev/null
+++ b/frontend/src/lib/components/ui/alert-dialog/alert-dialog-trigger.svelte
@@ -0,0 +1,7 @@
+<script lang="ts">
+	import { AlertDialog as AlertDialogPrimitive } from "bits-ui";
+
+	let { ref = $bindable(null), ...restProps }: AlertDialogPrimitive.TriggerProps = $props();
+</script>
+
+<AlertDialogPrimitive.Trigger bind:ref data-slot="alert-dialog-trigger" {...restProps} />
diff --git a/frontend/src/lib/components/ui/alert-dialog/index.ts b/frontend/src/lib/components/ui/alert-dialog/index.ts
new file mode 100644
index 0000000..cc281c5
--- /dev/null
+++ b/frontend/src/lib/components/ui/alert-dialog/index.ts
@@ -0,0 +1,39 @@
+import { AlertDialog as AlertDialogPrimitive } from "bits-ui";
+import Trigger from "./alert-dialog-trigger.svelte";
+import Title from "./alert-dialog-title.svelte";
+import Action from "./alert-dialog-action.svelte";
+import Cancel from "./alert-dialog-cancel.svelte";
+import Footer from "./alert-dialog-footer.svelte";
+import Header from "./alert-dialog-header.svelte";
+import Overlay from "./alert-dialog-overlay.svelte";
+import Content from "./alert-dialog-content.svelte";
+import Description from "./alert-dialog-description.svelte";
+
+const Root = AlertDialogPrimitive.Root;
+const Portal = AlertDialogPrimitive.Portal;
+
+export {
+	Root,
+	Title,
+	Action,
+	Cancel,
+	Portal,
+	Footer,
+	Header,
+	Trigger,
+	Overlay,
+	Content,
+	Description,
+	//
+	Root as AlertDialog,
+	Title as AlertDialogTitle,
+	Action as AlertDialogAction,
+	Cancel as AlertDialogCancel,
+	Portal as AlertDialogPortal,
+	Footer as AlertDialogFooter,
+	Header as AlertDialogHeader,
+	Trigger as AlertDialogTrigger,
+	Overlay as AlertDialogOverlay,
+	Content as AlertDialogContent,
+	Description as AlertDialogDescription,
+};
diff --git a/frontend/src/lib/components/ui/card/card.svelte b/frontend/src/lib/components/ui/card/card.svelte
index 99448cc..a7da162 100644
--- a/frontend/src/lib/components/ui/card/card.svelte
+++ b/frontend/src/lib/components/ui/card/card.svelte
@@ -1,6 +1,6 @@
 <script lang="ts">
-	import type { HTMLAttributes } from "svelte/elements";
-	import { cn, type WithElementRef } from "$lib/utils.js";
+	import type { HTMLAttributes } from 'svelte/elements';
+	import { cn, type WithElementRef } from '$lib/utils.js';
 
 	let {
 		ref = $bindable(null),
@@ -13,10 +13,7 @@
 <div
 	bind:this={ref}
 	data-slot="card"
-	class={cn(
-		"bg-card text-card-foreground flex flex-col gap-6 rounded-xl border py-6 shadow-sm",
-		className
-	)}
+	class={cn('bg-card text-card-foreground flex flex-col gap-6 rounded-xl border py-6', className)}
 	{...restProps}
 >
 	{@render children?.()}
diff --git a/frontend/src/routes/admin/+page.svelte b/frontend/src/routes/admin/+page.svelte
index 92d965c..208c2ee 100644
--- a/frontend/src/routes/admin/+page.svelte
+++ b/frontend/src/routes/admin/+page.svelte
@@ -10,6 +10,7 @@
 	import { Textarea } from '$lib/components/ui/textarea';
 	import { Separator } from '$lib/components/ui/separator';
 	import * as Modal from '$lib/components/ui/dialog';
+	import * as AlertDialog from '$lib/components/ui/alert-dialog';
 
 	// Custom component
 	import FileDropZone from '$lib/components/ui/file-drop-zone.svelte';
@@ -26,6 +27,11 @@
 		}
 	}
 
+	// =============== Alert Dialog State ===============
+	let showSaveDefaultHoursAlert = $state(false);
+	let showDeleteExceptionAlert = $state(false);
+	let exceptionToDelete = $state<number | undefined>(undefined);
+
 	// =============== Image Upload ===============
 	let uploading = $state(false);
 	let uploadFiles = $state<File[]>([]);
@@ -84,7 +90,7 @@
 	function formatTime(time: string): string {
 		const [hours, minutes] = time.split(':').map(Number);
 
-		// Special case for 12:00 PM
+		// Special case for 12:00
 		if (hours === 12 && minutes === 0) {
 			return 'Noon';
 		} else if (hours === 0 && minutes === 0) {
@@ -96,6 +102,26 @@
 		return `${displayHours}:${minutes.toString().padStart(2, '0')} ${period}`;
 	}
 
+	/** Convert formatted time back to HH:MM for input fields */
+	function timeToInputValue(time: string): string {
+		// Handle special cases
+		if (time === 'Noon') return '12:00';
+		if (time === 'Midnight') return '00:00';
+
+		// Parse 12-hour format
+		const match = time.match(/^(\d{1,2}):(\d{2})\s*(AM|PM)$/i);
+		if (!match) return time; // Return as-is if not in expected format
+
+		let hours = parseInt(match[1]);
+		const minutes = match[2];
+		const period = match[3].toUpperCase();
+
+		if (period === 'PM' && hours !== 12) hours += 12;
+		if (period === 'AM' && hours === 12) hours = 0;
+
+		return `${hours.toString().padStart(2, '0')}:${minutes}`;
+	}
+
 	async function fetchDefaultHours() {
 		defaultHoursIsLoading = true;
 		let error = null;
@@ -191,8 +217,6 @@
 
 	onMount(loadWorkingHours);
 
-	let editingException = $state<ExceptionGroup | null>(null);
-	let editingExceptionIndex = $state<number | null>(null);
 	let showExceptionModal = $state(false);
 
 	const dayNames = ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'];
@@ -201,18 +225,17 @@
 	function prepareDefaultHoursEdit() {
 		// Deep copy the current default hours into the draft state
 		defaultHoursDraft = JSON.parse(JSON.stringify(defaultHours));
+		// Convert display format back to input format
+		defaultHoursDraft = defaultHoursDraft.map((row) => ({
+			...row,
+			start_time: timeToInputValue(row.start_time),
+			end_time: timeToInputValue(row.end_time)
+		}));
 		showDefaultHoursModal = true;
 	}
 
 	/** Saves the default hours draft after confirmation. */
-	async function saveDefaultHours() {
-		if (
-			!confirm(
-				'Are you sure you want to save these default hours? This will affect future bookings.'
-			)
-		)
-			return;
-
+	async function confirmSaveDefaultHours() {
 		savingHours = true;
 		const loadingToast = toast.loading('Saving default hours...');
 
@@ -238,6 +261,7 @@
 				// Update the main state from the draft state if successful
 				defaultHours = JSON.parse(JSON.stringify(defaultHoursDraft));
 				showDefaultHoursModal = false;
+				showSaveDefaultHoursAlert = false;
 				toast.success('Default hours saved successfully!', { id: loadingToast });
 			} else if (response.status === 401 || response.status === 403) {
 				toast.error('Unauthorized. Please log in again.', { id: loadingToast });
@@ -254,57 +278,21 @@
 	}
 
 	async function saveExceptionGroup() {
-		// Simplified save logic for demo
-		if (!editingException) return;
-
-		savingHours = true;
-		try {
-			await new Promise((r) => setTimeout(r, 1000));
-
-			if (editingExceptionIndex === null) {
-				// Mock ID assignment for new group
-				editingException.id = Math.max(0, ...exceptionGroups.map((g) => g.id ?? 0)) + 1;
-				exceptionGroups = [editingException, ...exceptionGroups];
-			} else {
-				// Update existing group
-				exceptionGroups = exceptionGroups.map((g, i) =>
-					i === editingExceptionIndex ? editingException! : g
-				);
-			}
-
-			showExceptionModal = false;
-			editingException = null;
-		} catch (err) {
-			console.error('save exception', err);
-		}
-		savingHours = false;
+		// TODO
 	}
 
-	async function deleteExceptionGroup(id?: number) {
-		if (!id) return;
-		if (!confirm('Delete this exception group? This will remove its rows too.')) return;
-
+	async function confirmDeleteExceptionGroup() {
 		try {
 			await new Promise((r) => setTimeout(r, 500));
-			exceptionGroups = exceptionGroups.filter((g) => g.id !== id);
+			exceptionGroups = exceptionGroups.filter((g) => g.id !== exceptionToDelete);
+			showDeleteExceptionAlert = false;
+			exceptionToDelete = undefined;
 		} catch (err) {
 			console.error(err);
 		}
 	}
 
 	function createNewException() {
-		editingExceptionIndex = null;
-		editingException = {
-			name: '',
-			description: '',
-			week_starts: [],
-			rows: Array.from({ length: 7 }, (_, i) => ({
-				weekday: i,
-				start_time: '09:00',
-				end_time: '17:00',
-				is_open: true
-			}))
-		};
 		showExceptionModal = true;
 	}
 
@@ -621,18 +609,19 @@
 
 			<Card.Content class="space-y-4">
 				<div class="flex items-center justify-between">
-					<Button variant="outline" onclick={createNewException}>New schedule</Button>
+					<Button variant="default" onclick={createNewException}>New schedule</Button>
 				</div>
 
-				<div class="space-y-3">
+				<div class="grid grid-cols-1 gap-4 space-y-3 md:grid-cols-2">
 					{#if exceptionGroups.length === 0}
 						<p class="text-sm text-gray-500">No exception groups found.</p>
 					{/if}
 
 					{#each exceptionGroups as g}
-						<div class="rounded border p-3">
-							<div class="flex items-start justify-between">
-								<div>
+						<div class="relative h-full rounded border p-3 pb-12">
+							<!-- add bottom padding to avoid overlap -->
+							<div class="flex h-full flex-col gap-3">
+								<div class="flex-1">
 									<div class="font-semibold">{g.name}</div>
 									<div class="text-sm text-gray-600">{g.description}</div>
 									<div class="mt-1 text-xs text-gray-500">
@@ -643,18 +632,25 @@
 									</div>
 								</div>
 
-								<div class="flex items-center gap-2">
+								<!-- Absolute positioned button -->
+								<div class="absolute bottom-3 right-3">
 									<Button
-										variant="outline"
+										variant="default"
+										class="w-20"
 										onclick={() => {
-											editingExceptionIndex = exceptionGroups.indexOf(g);
-											editingException = JSON.parse(JSON.stringify(g));
-											showExceptionModal = true;
+											alert('TODO - view group');
 										}}
 									>
-										Edit
+										View
 									</Button>
-									<Button variant="destructive" onclick={() => deleteExceptionGroup(g.id)}>
+									<Button
+										variant="destructive"
+										class="w-20"
+										onclick={() => {
+											exceptionToDelete = g.id;
+											showDeleteExceptionAlert = true;
+										}}
+									>
 										Delete
 									</Button>
 								</div>
@@ -744,6 +740,7 @@
 		</Card.Root>
 	</div>
 
+	<!-- Default Hours Modal -->
 	<Modal.Root bind:open={showDefaultHoursModal}>
 		<Modal.Content class="max-h-[90vh] max-w-sm overflow-y-auto md:max-w-lg">
 			<Modal.Header>
@@ -807,119 +804,40 @@
 				>
 					Cancel
 				</Button>
-				<Button onclick={saveDefaultHours} disabled={savingHours}>
-					{savingHours ? 'Saving…' : 'Save Defaults'}
+				<Button onclick={() => (showSaveDefaultHoursAlert = true)} disabled={savingHours}>
+					Save Defaults
 				</Button>
 			</Modal.Footer>
 		</Modal.Content>
 	</Modal.Root>
 
+	<!-- Save Default Hours Confirmation -->
+	<AlertDialog.Root bind:open={showSaveDefaultHoursAlert}>
+		<AlertDialog.Content class="z-[60]">
+			<AlertDialog.Header>
+				<AlertDialog.Title>Save default hours?</AlertDialog.Title>
+				<AlertDialog.Description>
+					Are you sure you want to save these default hours? This will affect future bookings.
+				</AlertDialog.Description>
+			</AlertDialog.Header>
+			<AlertDialog.Footer>
+				<AlertDialog.Cancel>Cancel</AlertDialog.Cancel>
+				<AlertDialog.Action onclick={confirmSaveDefaultHours}>Continue</AlertDialog.Action>
+			</AlertDialog.Footer>
+		</AlertDialog.Content>
+	</AlertDialog.Root>
+
+	<!-- Exception Group Modal -->
 	<Modal.Root bind:open={showExceptionModal}>
 		<Modal.Content class="max-h-[90vh] max-w-sm overflow-y-auto p-4 md:max-w-lg">
 			<Modal.Header class="mb-4 p-0">
-				<Modal.Title class="text-lg font-semibold">
-					{editingExceptionIndex === null ? 'New Exception Group' : 'Edit Exception Group'}
-				</Modal.Title>
+				<Modal.Title class="text-lg font-semibold">New Exception Group</Modal.Title>
 			</Modal.Header>
-
-			{#if editingException}
-				<div class="space-y-4 pb-4">
-					<div>
-						<Label>Name</Label>
-						<Input bind:value={editingException.name} placeholder="e.g. Christmas" />
-					</div>
-					<div>
-						<Label>Description</Label>
-						<Textarea
-							rows={3}
-							bind:value={editingException.description}
-							placeholder="e.g. Extended weekend hours and shortened weekday hours for the holiday period"
-						/>
-					</div>
-
-					<div>
-						<Label>Week range to apply</Label>
-						<div class="flex flex-wrap gap-2">
-							<Input type="date" id="exception_from" class="min-w-[120px] flex-1" />
-							<Input type="date" id="exception_to" class="min-w-[120px] flex-1" />
-							<Button
-								class="w-full sm:w-auto"
-								onclick={() => {
-									const fromEl = document.getElementById('exception_from') as HTMLInputElement;
-									const toEl = document.getElementById('exception_to') as HTMLInputElement;
-									if (fromEl?.value && toEl?.value) {
-										addWeeksToException(fromEl.value, toEl.value, editingException!.week_starts);
-										editingException!.week_starts = Array.from(
-											new Set(editingException!.week_starts).values()
-										).sort();
-									}
-								}}
-							>
-								Add weeks
-							</Button>
-						</div>
-						<div class="mt-2 text-xs text-gray-500">
-							Weeks are added by their starting Monday (ISO date).
-						</div>
-
-						<div class="mt-2">
-							<div class="flex flex-wrap gap-2">
-								{#each editingException.week_starts as ws}
-									<div class="flex items-center gap-2 rounded bg-gray-100 px-2 py-1 text-xs">
-										<span>{ws}</span>
-										<button
-											class="text-red-500"
-											onclick={() =>
-												(editingException!.week_starts = editingException!.week_starts.filter(
-													(w) => w !== ws
-												))}
-										>
-											✕
-										</button>
-									</div>
-								{/each}
-							</div>
-						</div>
-					</div>
-
-					<Separator />
-
-					<div>
-						<div class="mb-2 text-sm font-medium">Weekday rows (Override)</div>
-						<div class="grid gap-2">
-							{#each editingException.rows as r}
-								<div class="flex items-center gap-2">
-									<div style="width:48px" class="text-sm">{weekdayLabel(r.weekday)}</div>
-									<input
-										type="checkbox"
-										bind:checked={r.is_open}
-										class="text-primary focus:ring-primary h-4 w-4 rounded border-gray-300 bg-gray-100"
-									/>
-									<Input
-										type="time"
-										bind:value={r.start_time}
-										disabled={!r.is_open}
-										class="max-w-[70px] text-sm"
-									/>
-									<Input
-										type="time"
-										bind:value={r.end_time}
-										disabled={!r.is_open}
-										class="max-w-[70px] text-sm"
-									/>
-								</div>
-							{/each}
-						</div>
-					</div>
-				</div>
-			{/if}
-
 			<Modal.Footer class="flex items-center justify-end gap-2 p-0 pt-4">
 				<Button
 					variant="outline"
 					onclick={() => {
 						showExceptionModal = false;
-						editingException = null;
 					}}
 				>
 					Cancel
@@ -931,6 +849,30 @@
 		</Modal.Content>
 	</Modal.Root>
 
+	<!-- Delete Exception Confirmation -->
+	<AlertDialog.Root bind:open={showDeleteExceptionAlert}>
+		<AlertDialog.Content class="z-[60]">
+			<AlertDialog.Header>
+				<AlertDialog.Title>Delete exception group?</AlertDialog.Title>
+				<AlertDialog.Description>
+					This action cannot be undone. This will permanently delete this exception group and all
+					its associated schedule rows.
+				</AlertDialog.Description>
+			</AlertDialog.Header>
+			<AlertDialog.Footer>
+				<AlertDialog.Cancel
+					onclick={() => {
+						exceptionToDelete = undefined;
+					}}
+				>
+					Cancel
+				</AlertDialog.Cancel>
+				<AlertDialog.Action onclick={confirmDeleteExceptionGroup}>Delete</AlertDialog.Action>
+			</AlertDialog.Footer>
+		</AlertDialog.Content>
+	</AlertDialog.Root>
+
+	<!-- User Modal -->
 	{#if selectedUser}
 		<Modal.Root bind:open={showUserModal}>
 			<Modal.Content class="max-h-[90vh] max-w-sm overflow-y-auto md:max-w-lg">
@@ -988,24 +930,12 @@
 
 				<Modal.Footer class="flex items-center justify-end gap-2">
 					<Button onclick={() => (showUserModal = false)}>Close</Button>
-					<Button
-						variant="destructive"
-						onclick={async () => {
-							if (!confirm('Delete user? This is irreversible.')) return;
-							// Mock delete
-							await new Promise((r) => setTimeout(r, 500));
-							users = users.filter((u) => u.id !== selectedUser!.id);
-							showUserModal = false;
-							alert(`User ${selectedUser!.fn || selectedUser!.id} deleted (mocked)`);
-						}}
-					>
-						Delete user
-					</Button>
 				</Modal.Footer>
 			</Modal.Content>
 		</Modal.Root>
 	{/if}
 
+	<!-- Booking Modal -->
 	{#if selectedBooking}
 		<Modal.Root bind:open={showBookingModal}>
 			<Modal.Content class="max-h-[90vh] max-w-sm overflow-y-auto md:max-w-lg">