feat(loyalty-discount): implement loyalty and discount system

- Add discount campaign management and validation logic
- Update booking handlers with discount application flow
- Add customer relationship endpoints for loyalty tracking
- Update frontend modals (booking, approval, payment, reschedule)
- Add DiscountsManagement and loyalty reference documentation
- Update dev scripts and database init for discount tables
- Clean up completed plan files

frontend/src/lib/components/account/EditRequestModal.svelte

@@ -720,7 +720,7 @@
 
 <Modal.Root bind:open>
 	<Modal.Content
-		class="max-h-[90vh] max-w-[calc(100%-2rem)] overflow-y-auto sm:max-w-md md:max-w-3xl"
+		class="!z-[70] max-h-[90vh] max-w-[calc(100%-2rem)] overflow-y-auto sm:max-w-md md:max-w-3xl"
 	>
 		<Modal.Header>
 			<div class="flex items-center justify-between">

frontend/src/lib/components/account/UserBookingModal.svelte

@@ -7,7 +7,7 @@
 	import { Input } from '$lib/components/ui/input';
 	import UserPaymentModal from '$lib/components/payments/UserPaymentModal.svelte';
 	import EditRequestModal from '$lib/components/account/EditRequestModal.svelte';
-	import type { Booking } from '$lib/types/booking';
+	import type { Booking, BookingDiscount, Payment } from '$lib/types/booking';
 
 	interface Props {
 		open: boolean;
@@ -244,11 +244,30 @@
 				return method.replace(/_/g, ' ').replace(/\b\w/g, (c) => c.toUpperCase());
 		}
 	}
+
+	function getPaymentName(payment: Payment, index: number, payments: Payment[], discounts: BookingDiscount[] | undefined): string {
+		if (payment.payment_method === 'online_square') return 'Online Card';
+		if (payment.payment_method === 'in_person_card') return 'Card Machine';
+		if (payment.payment_method === 'cash') return 'Cash';
+		if (payment.payment_method === 'giftcard') return 'Gift Card';
+		if (payment.payment_method === 'discount') {
+			const discountPaymentsBefore = payments.slice(0, index).filter(p => p.payment_method === 'discount').length;
+			const discountList = (discounts ?? []).filter(d => d.discount_amount > 0.01);
+			if (discountList[discountPaymentsBefore]) {
+				const d = discountList[discountPaymentsBefore];
+				if (d.discount_source === 'loyalty') return 'Loyalty Stamp Card (10% Off)';
+				if (d.campaign_name) return `${d.campaign_name}`;
+				return 'Promo Campaign Discount';
+			}
+			return 'Discount';
+		}
+		return formatPaymentMethod(payment.payment_method);
+	}
 </script>
 
 <Modal.Root bind:open>
 	<Modal.Content
-		class="max-h-[90vh] max-w-[calc(100%-2rem)] overflow-y-auto sm:max-w-md md:max-w-3xl"
+		class="!z-[60] max-h-[90vh] max-w-[calc(100%-2rem)] overflow-y-auto sm:max-w-md md:max-w-3xl"
 	>
 		<Modal.Header>
 			<div class="flex items-center justify-between">
@@ -417,26 +436,48 @@
 						{/if}
 
 						<div class="flex items-center justify-between">
-							<span class="text-sm text-gray-600"
-								>{selectedBooking.amount_paid > selectedBooking.total_amount
-									? 'Pre-tip Subtotal'
-									: 'Total Amount'}</span
-							>
+							<span class="text-sm text-gray-600">Subtotal (Services)</span>
 							<span class="font-semibold">£{selectedBooking.total_amount.toFixed(2)}</span>
 						</div>
+
+						{#if selectedBooking.discounts && selectedBooking.discounts.length > 0}
+							<div class="border-y border-fuchsia-100 bg-fuchsia-50/20 py-2 my-2 space-y-1 rounded-md px-2">
+								{#each selectedBooking.discounts as d}
+									<div class="flex items-center justify-between text-xs text-fuchsia-800">
+										<span class="flex items-center gap-1.5">
+											<span class="h-1.5 w-1.5 rounded-full bg-fuchsia-400"></span>
+											{#if d.discount_source === 'loyalty'}
+												Loyalty Stamp Card (10% Off)
+											{:else if d.campaign_name}
+												{d.campaign_name} ({d.discount_percent}% Off)
+											{:else}
+												Promo Campaign ({d.discount_percent}% Off)
+											{/if}
+										</span>
+										<span class="font-medium">-£{d.discount_amount.toFixed(2)}</span>
+									</div>
+								{/each}
+							</div>
+							<div class="flex items-center justify-between font-medium text-gray-900">
+								<span class="text-sm">Net Total</span>
+								<span>£{(selectedBooking.total_amount - selectedBooking.discounts.reduce((sum, d) => sum + d.discount_amount, 0)).toFixed(2)}</span>
+							</div>
+						{/if}
+
 						<div class="flex items-center justify-between">
-							<span class="text-sm text-gray-600">Amount Paid</span>
-							<span class="font-semibold text-green-700"
-								>£{selectedBooking.amount_paid.toFixed(2)}</span
-							>
+							<span class="text-sm text-gray-600">Amount Paid (Card/Cash)</span>
+							<span class="font-semibold text-green-700">
+								£{(selectedBooking.payments ?? []).filter(p => p.payment_method !== 'discount' && p.status === 'completed').reduce((sum, p) => sum + p.amount, 0).toFixed(2)}
+							</span>
 						</div>
-						{#if selectedBooking.amount_due > 0}
+
+						{#if Math.max(0, selectedBooking.total_amount - (selectedBooking.discounts ?? []).reduce((sum, d) => sum + d.discount_amount, 0) - (selectedBooking.payments ?? []).filter(p => p.payment_method !== 'discount' && p.status === 'completed').reduce((sum, p) => sum + p.amount, 0)) > 0.01}
 							<div class="flex items-center justify-between border-t border-gray-300 pt-2">
 								<span class="font-medium text-gray-900">
 									{isFutureBooking ? 'Estimated Subtotal' : 'Amount Due'}
 								</span>
 								<span class="text-lg font-bold text-red-600">
-									£{selectedBooking.amount_due.toFixed(2)}
+									£{Math.max(0, selectedBooking.total_amount - (selectedBooking.discounts ?? []).reduce((sum, d) => sum + d.discount_amount, 0) - (selectedBooking.payments ?? []).filter(p => p.payment_method !== 'discount' && p.status === 'completed').reduce((sum, p) => sum + p.amount, 0)).toFixed(2)}
 								</span>
 							</div>
 						{/if}
@@ -454,9 +495,9 @@
 									<div class="flex items-start justify-between">
 										<div class="flex-1">
 											<div class="flex items-center gap-2">
-												<span class="font-medium"
-													>{formatPaymentMethod(payment.payment_method)}</span
-												>
+												<span class="font-medium text-gray-900"
+													>{getPaymentName(payment, index, selectedBooking.payments, selectedBooking.discounts)}</span
+>
 												<span
 													class="inline-flex items-center rounded-full px-2 py-0.5 text-xs font-medium
                                                     {payment.status === 'completed'
@@ -469,10 +510,14 @@
 												</span>
 											</div>
 											<div class="mt-1 text-xs text-gray-500">
-												{payment.payment_type.charAt(0).toUpperCase() +
-													payment.payment_type.slice(1)} payment
-												{#if payment.card_last4}
-													, Card ending in {payment.card_last4}
+												{#if payment.payment_method === 'discount'}
+													Applied automatically on completion
+												{:else}
+													{payment.payment_type.charAt(0).toUpperCase() +
+														payment.payment_type.slice(1)} payment
+													{#if payment.card_last4}
+														, Card ending in {payment.card_last4}
+													{/if}
 												{/if}
 											</div>
 											{#if payment.is_vat_applicable}
@@ -492,7 +537,7 @@
 											</div>
 										</div>
 										<div class="text-right font-semibold">
-											£{payment.amount.toFixed(2)}
+											{payment.payment_method === 'discount' ? '-' : ''}£{payment.amount.toFixed(2)}
 										</div>
 									</div>
 								</div>
@@ -585,7 +630,7 @@
 {/if}
 
 <Modal.Root open={showCancelConfirm} onOpenChange={(v) => (showCancelConfirm = v)}>
-	<Modal.Content class="max-w-[calc(100%-2rem)]">
+	<Modal.Content class="!z-[70] max-w-[calc(100%-2rem)]">
 		<Modal.Header>
 			<Modal.Title>Cancel Booking</Modal.Title>
 			<Modal.Description>
@@ -623,7 +668,7 @@
 		}
 	}}
 >
-	<Modal.Content class="max-w-[calc(100%-2rem)]">
+	<Modal.Content class="!z-[70] max-w-[calc(100%-2rem)]">
 		<Modal.Header>
 			<Modal.Title>Leave a Tip</Modal.Title>
 			<Modal.Description>Show your appreciation for great service</Modal.Description>

frontend/src/lib/components/admin/ApprovalModal.svelte

@@ -371,7 +371,7 @@
 </script>
 
 <Modal.Root bind:open>
-	<Modal.Content class="max-h-[90vh] max-w-2xl overflow-y-auto">
+	<Modal.Content class="!z-[70] max-h-[90vh] max-w-2xl overflow-y-auto">
 		<Modal.Header>
 			<Modal.Title class="text-lg font-semibold">Approve Booking</Modal.Title>
 			<Modal.Description>

frontend/src/lib/components/admin/BookingModal.svelte

@@ -6,8 +6,7 @@
 	import ApprovalModal from '$lib/components/admin/ApprovalModal.svelte';
 	import RescheduleModal from '$lib/components/admin/RescheduleModal.svelte';
 	import { formatDuration, formatDateTime, calculateAge } from '$lib/utils/format';
-	import type { Booking, BookingService } from '$lib/types/booking';
-	import type { Payment } from '$lib/types';
+	import type { Booking, BookingService, BookingDiscount, Payment } from '$lib/types/booking';
 
 	interface Props {
 		open: boolean;
@@ -118,7 +117,8 @@
 					total_amount: data.total_amount || 0,
 					amount_paid: data.amount_paid || 0,
 					amount_due: data.amount_due || 0,
-					duration_minutes: data.duration_minutes || 0
+					duration_minutes: data.duration_minutes || 0,
+					discounts: data.discounts || []
 				};
 			} else {
 				const text = await response.text();
@@ -130,6 +130,25 @@
 		}
 	}
 
+	function getPaymentName(payment: Payment, index: number, payments: Payment[], discounts: BookingDiscount[] | undefined): string {
+		if (payment.payment_method === 'online_square') return 'Online Card';
+		if (payment.payment_method === 'in_person_card') return 'Card Machine';
+		if (payment.payment_method === 'cash') return 'Cash';
+		if (payment.payment_method === 'giftcard') return 'Gift Card';
+		if (payment.payment_method === 'discount') {
+			const discountPaymentsBefore = payments.slice(0, index).filter(p => p.payment_method === 'discount').length;
+			const discountList = (discounts ?? []).filter(d => d.discount_amount > 0.01);
+			if (discountList[discountPaymentsBefore]) {
+				const d = discountList[discountPaymentsBefore];
+				if (d.discount_source === 'loyalty') return 'Loyalty Stamp Card (10% Off)';
+				if (d.campaign_name) return `${d.campaign_name}`;
+				return 'Promo Campaign Discount';
+			}
+			return 'Discount';
+		}
+		return (payment.payment_method as string).replace(/_/g, ' ').replace(/\b\w/g, (c) => c.toUpperCase());
+	}
+
 	$effect(() => {
 		if (open && bookingId) {
 			fetchBookingDetails();
@@ -139,7 +158,7 @@
 
 <Modal.Root bind:open>
 	<Modal.Content
-		class="max-h-[90vh] max-w-[calc(100%-2rem)] overflow-y-auto sm:max-w-md md:max-w-3xl"
+		class="!z-[60] max-h-[90vh] max-w-[calc(100%-2rem)] overflow-y-auto sm:max-w-md md:max-w-3xl"
 	>
 		<Modal.Header>
 			<div class="flex items-center justify-between">
@@ -418,23 +437,49 @@
 						{/if}
 
 						<div class="flex items-center justify-between">
-							<span class="text-sm text-gray-600">Total Amount</span>
+							<span class="text-sm text-gray-600">Subtotal (Services)</span>
 							<span class="font-semibold">£{selectedBooking.total_amount.toFixed(2)}</span>
 						</div>
+
+						{#if selectedBooking.discounts && selectedBooking.discounts.length > 0}
+							<div class="border-y border-fuchsia-100 bg-fuchsia-50/20 py-2 my-2 space-y-1 rounded-md px-2">
+								{#each selectedBooking.discounts as d}
+									<div class="flex items-center justify-between text-xs text-fuchsia-800">
+										<span class="flex items-center gap-1.5">
+											<span class="h-1.5 w-1.5 rounded-full bg-fuchsia-400"></span>
+											{#if d.discount_source === 'loyalty'}
+												Loyalty Stamp Card (10% Off)
+											{:else if d.campaign_name}
+												{d.campaign_name} ({d.discount_percent}% Off)
+											{:else}
+												Promo Campaign ({d.discount_percent}% Off)
+											{/if}
+										</span>
+										<span class="font-medium">-£{d.discount_amount.toFixed(2)}</span>
+									</div>
+								{/each}
+							</div>
+							<div class="flex items-center justify-between font-medium text-gray-900">
+								<span class="text-sm">Net Total</span>
+								<span>£{(selectedBooking.total_amount - selectedBooking.discounts.reduce((sum, d) => sum + d.discount_amount, 0)).toFixed(2)}</span>
+							</div>
+						{/if}
+
 						<div class="flex items-center justify-between">
-							<span class="text-sm text-gray-600">Amount Paid</span>
-							<span class="font-semibold text-green-700"
-								>£{selectedBooking.amount_paid.toFixed(2)}</span
-							>
+							<span class="text-sm text-gray-600">Amount Paid (Card/Cash)</span>
+							<span class="font-semibold text-green-700">
+								£{(selectedBooking.payments ?? []).filter(p => p.payment_method !== 'discount' && p.status === 'completed').reduce((sum, p) => sum + p.amount, 0).toFixed(2)}
+							</span>
 						</div>
+
 						<div class="flex items-center justify-between border-t border-gray-300 pt-2">
-							<span class="font-medium text-gray-900">Amount Due</span>
+							<span class="font-medium text-gray-900">Balance Due</span>
 							<span
-								class="text-lg font-bold {selectedBooking.amount_due > 0
+								class="text-lg font-bold {Math.max(0, selectedBooking.total_amount - (selectedBooking.discounts ?? []).reduce((sum, d) => sum + d.discount_amount, 0) - (selectedBooking.payments ?? []).filter(p => p.payment_method !== 'discount' && p.status === 'completed').reduce((sum, p) => sum + p.amount, 0)) > 0.01
 									? 'text-red-600'
 									: 'text-green-600'}"
 							>
-								£{selectedBooking.amount_due.toFixed(2)}
+								£{Math.max(0, selectedBooking.total_amount - (selectedBooking.discounts ?? []).reduce((sum, d) => sum + d.discount_amount, 0) - (selectedBooking.payments ?? []).filter(p => p.payment_method !== 'discount' && p.status === 'completed').reduce((sum, p) => sum + p.amount, 0)).toFixed(2)}
 							</span>
 						</div>
 					</div>
@@ -452,14 +497,8 @@
 									<div class="flex items-start justify-between">
 										<div class="flex-1">
 											<div class="flex items-center gap-2">
-												<span class="font-medium">
-													{#if payment.payment_method === 'online_square'}Online
-													{:else if payment.payment_method === 'in_person_card'}Card Machine
-													{:else if payment.payment_method === 'cash'}Cash
-													{:else if payment.payment_method === 'giftcard'}Gift Card
-													{:else if payment.payment_method === 'discount'}Discount
-													{:else}{(payment.payment_method as string).replace('_', ' ')}
-													{/if}
+												<span class="font-medium text-gray-900">
+													{getPaymentName(payment, index, selectedBooking.payments, selectedBooking.discounts)}
 												</span>
 												<span
 													class="inline-flex items-center rounded-full px-2 py-0.5 text-xs font-medium
@@ -475,10 +514,14 @@
 												</span>
 											</div>
 											<div class="mt-1 text-xs text-gray-500">
-												{payment.payment_type.charAt(0).toUpperCase() +
-													payment.payment_type.slice(1)} payment
-												{#if payment.card_last4}
-													, Card ending in {payment.card_last4}
+												{#if payment.payment_method === 'discount'}
+													Applied automatically on completion
+												{:else}
+													{payment.payment_type.charAt(0).toUpperCase() +
+														payment.payment_type.slice(1)} payment
+													{#if payment.card_last4}
+														, Card ending in {payment.card_last4}
+													{/if}
 												{/if}
 											</div>
 											{#if payment.vendor_code || payment.invoice_number}
@@ -505,7 +548,7 @@
 											</div>
 										</div>
 										<div class="text-right font-semibold">
-											£{payment.amount.toFixed(2)}
+											{payment.payment_method === 'discount' ? '-' : ''}£{payment.amount.toFixed(2)}
 										</div>
 									</div>
 								</div>

frontend/src/lib/components/admin/DiscountsManagement.svelte

@@ -96,7 +96,7 @@
 		if (form.discount_percent <= 0 || form.discount_percent > 100) return false;
 		if (form.campaign_type === 'time_based') {
 			if (!form.start_date || !form.end_date) return false;
-			if (new SvelteDate(form.end_date) <= new SvelteDate(form.start_date)) return false;
+			if (new SvelteDate(form.end_date) < new SvelteDate(form.start_date)) return false;
 		}
 		if (form.campaign_type === 'milestone') {
 			if (form.milestone_value <= 0) return false;
@@ -146,8 +146,8 @@
 			campaign_type: c.campaign_type,
 			discount_percent: c.discount_percent,
 			scope: c.scope || 'all_bookings',
-			start_date: c.start_date ? new Date(c.start_date).toISOString().slice(0, 16) : '',
-			end_date: c.end_date ? new Date(c.end_date).toISOString().slice(0, 16) : '',
+			start_date: c.start_date ? new Date(c.start_date).toISOString().slice(0, 10) : '',
+			end_date: c.end_date ? new Date(c.end_date).toISOString().slice(0, 10) : '',
 			milestone_type: c.milestone_type || 'per_user_booking_count',
 			milestone_value: c.milestone_value || 0,
 			milestone_unit: c.milestone_unit || 'bookings',
@@ -168,7 +168,7 @@
 			if (
 				form.start_date &&
 				form.end_date &&
-				new Date(form.end_date) <= new Date(form.start_date)
+				new Date(form.end_date) < new Date(form.start_date)
 			) {
 				errors.end_date = 'Must be after start';
 			}
@@ -188,8 +188,8 @@
 			};
 			if (form.campaign_type === 'time_based') {
 				payload.scope = form.scope;
-				payload.start_date = new Date(form.start_date).toISOString();
-				payload.end_date = new Date(form.end_date).toISOString();
+				payload.start_date = form.start_date + 'T00:00:00.000Z';
+				payload.end_date = form.end_date + 'T23:59:59.999Z';
 			} else {
 				payload.milestone_type = form.milestone_type;
 				payload.milestone_value = form.milestone_value;
@@ -562,12 +562,12 @@
 					<div class="grid grid-cols-1 gap-3 sm:grid-cols-2">
 						<div class="space-y-2">
 							<Label.Root for="dc-start">Start Date *</Label.Root>
-							<Input id="dc-start" type="datetime-local" bind:value={form.start_date} />
+							<Input id="dc-start" type="date" bind:value={form.start_date} />
 							{#if errors.start_date}<p class="text-xs text-red-500">{errors.start_date}</p>{/if}
 						</div>
 						<div class="space-y-2">
 							<Label.Root for="dc-end">End Date *</Label.Root>
-							<Input id="dc-end" type="datetime-local" bind:value={form.end_date} />
+							<Input id="dc-end" type="date" bind:value={form.end_date} />
 							{#if errors.end_date}<p class="text-xs text-red-500">{errors.end_date}</p>{/if}
 						</div>
 					</div>

frontend/src/lib/components/admin/PatchTestModal.svelte

@@ -98,7 +98,7 @@
 </script>
 
 <Modal.Root bind:open>
-	<Modal.Content class="sm:max-w-[425px]">
+	<Modal.Content class="!z-[60] sm:max-w-[425px]">
 		<Modal.Header>
 			<Modal.Title>Record Patch Test</Modal.Title>
 		</Modal.Header>

frontend/src/lib/components/admin/RescheduleModal.svelte

@@ -408,7 +408,7 @@
 </script>
 
 <Modal.Root bind:open>
-	<Modal.Content class="max-h-[90vh] max-w-4xl overflow-y-auto">
+	<Modal.Content class="!z-[70] max-h-[90vh] max-w-4xl overflow-y-auto">
 		<Modal.Header>
 			<Modal.Title class="text-lg font-semibold">Reschedule Booking</Modal.Title>
 			<Modal.Description>

frontend/src/lib/components/admin/UserModal.svelte

@@ -72,6 +72,7 @@
 
 	type CustomerRelationship = {
 		totalSpend: number;
+		totalSaved: number;
 		totalTips: number;
 		totalVisits: number;
 		customerFor: string;
@@ -485,13 +486,19 @@
 						<h3 class="mb-3 text-sm font-semibold tracking-wide text-gray-600 uppercase">
 							Customer Relationship
 						</h3>
-						<div class="grid gap-3 md:grid-cols-3">
+						<div class="grid gap-3 md:grid-cols-5">
 							<div>
 								<div class="text-xs text-gray-500">Total Spend</div>
 								<div class="text-2xl font-bold text-emerald-600">
 									£{customerRelationship.totalSpend.toFixed(2)}
 								</div>
 							</div>
+							<div>
+								<div class="text-xs text-gray-500">Total Saved</div>
+								<div class="text-2xl font-bold text-fuchsia-600">
+									£{customerRelationship.totalSaved.toFixed(2)}
+								</div>
+							</div>
 							<div>
 								<div class="text-xs text-gray-500">Total Tips</div>
 								<div class="text-2xl font-bold text-amber-600">

frontend/src/lib/components/payments/PaymentModal.svelte

@@ -4,7 +4,7 @@
 	import { Button } from '$lib/components/ui/button';
 	import { Input } from '$lib/components/ui/input';
 	import { Checkbox } from '$lib/components/ui/checkbox';
-	import type { Booking, BookingService } from '$lib/types/booking';
+	import type { Booking, BookingService, BookingDiscount } from '$lib/types/booking';
 	import { authStore } from '$lib/stores/auth.svelte';
 
 	interface Props {
@@ -91,15 +91,6 @@
 
 	let pollingInterval: ReturnType<typeof setInterval> | null = null;
 
-	let tipPercentages = $derived.by(() => {
-		if (subtotal <= 0) return [];
-		return [
-			{ pct: 10, amount: Math.round(subtotal * 0.1 * 100) / 100 },
-			{ pct: 15, amount: Math.round(subtotal * 0.15 * 100) / 100 },
-			{ pct: 20, amount: Math.round(subtotal * 0.2 * 100) / 100 }
-		];
-	});
-
 	function selectTipPercent(percent: number) {
 		selectedTipPercent = percent;
 		customTipAmount = '';
@@ -135,16 +126,27 @@
 	}
 
 	let subtotal = $derived((booking.services ?? []).reduce((sum, s) => sum + getServicePrice(s), 0));
+	let discountSum = $derived((booking.discounts ?? []).reduce((sum, d) => sum + d.discount_amount, 0));
+	let netTotal = $derived(Math.max(0, subtotal - discountSum));
+
+	let tipPercentages = $derived.by(() => {
+		if (netTotal <= 0) return [];
+		return [
+			{ pct: 10, amount: Math.round(netTotal * 0.1 * 100) / 100 },
+			{ pct: 15, amount: Math.round(netTotal * 0.15 * 100) / 100 },
+			{ pct: 20, amount: Math.round(netTotal * 0.2 * 100) / 100 }
+		];
+	});
 
 	let tipMultiplier = $derived(
 		selectedTipPercent !== null
 			? 1 + selectedTipPercent / 100
 			: customTipAmount && parseFloat(customTipAmount) > 0
-				? 1 + parseFloat(customTipAmount) / subtotal
+				? 1 + parseFloat(customTipAmount) / netTotal
 				: 1
 	);
 
-	let totalWithTip = $derived(tipEnabled ? subtotal * tipMultiplier : subtotal);
+	let totalWithTip = $derived(tipEnabled ? netTotal * tipMultiplier : netTotal);
 	let tipDisplay = $derived(
 		selectedTipPercent !== null
 			? `${selectedTipPercent}%`
@@ -153,7 +155,7 @@
 				: ''
 	);
 
-	let totalDue = $derived(tipEnabled ? totalWithTip : subtotal);
+	let totalDue = $derived(tipEnabled ? totalWithTip : netTotal);
 
 	function formatCurrency(value: number): string {
 		return new Intl.NumberFormat('en-GB', {
@@ -469,9 +471,50 @@
 					</div>
 				</div>
 
-				<div class="flex justify-between rounded-md border border-gray-200 bg-white p-4">
+				{#if booking.discounts && booking.discounts.length > 0}
+					<div class="rounded-md border border-fuchsia-100 bg-fuchsia-50/40 p-4">
+						<div class="mb-3 flex items-center justify-between">
+							<div class="text-sm font-semibold text-fuchsia-800 flex items-center gap-1.5">
+								<svg class="h-4 w-4 text-fuchsia-600" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+									<path d="M20.59 13.41l-7.17 7.17a2 2 0 0 1-2.83 0L2 12V2h10l8.59 8.59a2 2 0 0 1 0 2.82z"></path>
+									<line x1="7" y1="7" x2="7.01" y2="7"></line>
+								</svg>
+								Applied Discounts
+							</div>
+							<span class="rounded-full bg-fuchsia-100 px-2 py-0.5 text-xs font-semibold text-fuchsia-700">
+								{((discountSum / subtotal) * 100).toFixed(0)}% Off Total
+							</span>
+						</div>
+						<div class="space-y-2 text-sm">
+							{#each booking.discounts as d}
+								<div class="flex items-center justify-between text-gray-600">
+									<div class="flex items-center gap-1.5">
+										<span class="h-1.5 w-1.5 rounded-full bg-fuchsia-500"></span>
+										<span>
+											{#if d.discount_source === 'loyalty'}
+												Loyalty Stamp Card (10% Off)
+											{:else if d.campaign_name}
+												{d.campaign_name}
+											{:else}
+												Promo Campaign ({d.discount_percent}% Off)
+											{/if}
+										</span>
+									</div>
+									<span class="font-medium text-fuchsia-600">-{formatCurrency(d.discount_amount)}</span>
+								</div>
+							{/each}
+						</div>
+					</div>
+				{/if}
+
+				<div class="flex justify-between items-center rounded-md border border-gray-200 bg-white p-4">
 					<span class="text-base font-semibold text-gray-700">Total</span>
-					<span class="text-xl font-bold text-gray-900">{formatCurrency(subtotal)}</span>
+					<div class="flex items-baseline gap-2.5">
+						{#if discountSum > 0.01}
+							<span class="text-sm font-medium text-gray-400 line-through">{formatCurrency(subtotal)}</span>
+						{/if}
+						<span class="text-xl font-bold text-gray-900">{formatCurrency(totalDue)}</span>
+					</div>
 				</div>
 
 				{#if tipEnabled}

frontend/src/lib/components/payments/UserPaymentModal.svelte

@@ -382,7 +382,7 @@
 </script>
 
 <Dialog.Root open={true} onOpenChange={(open) => !open && handleClose()}>
-	<Dialog.Content class="max-h-[90vh] max-w-md overflow-y-auto">
+	<Dialog.Content class="!z-[70] max-h-[90vh] max-w-md overflow-y-auto">
 		<Dialog.Header>
 			<Dialog.Title class="text-xl font-semibold">Make a Payment</Dialog.Title>
 			{#if booking.id}

frontend/src/lib/components/ui/dialog/dialog-content.svelte

@@ -20,7 +20,7 @@
 </script>
 
 <Dialog.Portal {...portalProps}>
-	<Dialog.Overlay />
+	<Dialog.Overlay class={typeof className === 'string' && /(!?z-\[[^\]]+\]|!?z-\d+)/.test(className) ? className.match(/(!?z-\[[^\]]+\]|!?z-\d+)/)?.[0] : ''} />
 	<DialogPrimitive.Content
 		bind:ref
 		data-slot="dialog-content"

frontend/src/lib/types/booking.ts

@@ -118,6 +118,7 @@ export interface Booking {
 	user?: BookingUser;
 	services?: BookingService[];
 	payments?: Payment[];
+	discounts?: BookingDiscount[];
 	total_amount: number;
 	amount_paid: number;
 	amount_due: number;
@@ -167,6 +168,7 @@ export interface BookingDiscount {
 	user_id: string;
 	discount_source: 'loyalty' | 'campaign';
 	source_id?: string;
+	campaign_name?: string;
 	campaign_type?: CampaignType;
 	milestone_type?: MilestoneType;
 	discount_percent: number;