feat: integrate some shadcn component

.prettierrc

@@ -2,5 +2,6 @@
 	"printWidth": 140,
 	"singleQuote": true,
 	"semi": true,
-	"useTabs": true
+	"useTabs": true,
+	"endOfLine": "auto"
 }

src/client/components/.gitkeep

@@ -1 +0,0 @@
-# Reserved for shared components.

src/client/components/dashboard/DashboardFooter.tsx

@@ -0,0 +1,8 @@
+export function DashboardFooter() {
+	return (
+		<footer className="dashboard-page-footer">
+			<span>Cloudflare Workers + D1</span>
+			<span>Automatic refresh every minute</span>
+		</footer>
+	);
+}

src/client/components/dashboard/DashboardHeader.tsx

@@ -0,0 +1,37 @@
+import { Zap } from 'lucide-react';
+import { Button } from '@/components/ui/button';
+import { navigate } from '../../lib/router';
+import { useLogoutMutation } from '../../queries/auth';
+
+export function DashboardHeader() {
+	const logoutMutation = useLogoutMutation();
+
+	return (
+		<header className="dashboard-header">
+			<div className="dashboard-header-inner">
+				<a className="brand" href="/dashboard" aria-label="Upwatch dashboard">
+					<Zap className="brand-mark" fill="currentColor" />
+					<span>upwatch</span>
+				</a>
+				<div className="nav-actions">
+					<span className="header-context">Production monitors</span>
+					<a className="nav-auth" href="/">
+						View status page
+					</a>
+					<Button variant="unstyled" className="nav-auth" type="button" onClick={() => navigate('/settings')}>
+						Settings
+					</Button>
+					<Button
+						variant="unstyled"
+						className="nav-auth"
+						type="button"
+						onClick={() => logoutMutation.mutate()}
+						disabled={logoutMutation.isPending}
+					>
+						{logoutMutation.isPending ? 'Signing out…' : 'Sign out'}
+					</Button>
+				</div>
+			</div>
+		</header>
+	);
+}

src/client/components/dashboard/DashboardOverview.tsx

@@ -0,0 +1,49 @@
+import { ArrowRight } from 'lucide-react';
+import { Button } from '@/components/ui/button';
+import { useMonitorsQuery } from '../../queries/monitors';
+
+type DashboardOverviewProps = {
+	onAddMonitor: () => void;
+};
+
+export function DashboardOverview({ onAddMonitor }: DashboardOverviewProps) {
+	const monitorsQuery = useMonitorsQuery();
+	const monitors = monitorsQuery.data?.monitors ?? [];
+	const up = monitors.filter((monitor) => monitor.lastOk === true).length;
+	const down = monitors.filter((monitor) => monitor.lastOk === false).length;
+
+	return (
+		<>
+			<section className="dashboard-intro">
+				<div>
+					<p className="overline">Infrastructure</p>
+					<h1>Monitors</h1>
+					<p>Track endpoint availability from Cloudflare's edge every five minutes.</p>
+				</div>
+				{monitorsQuery.isSuccess && monitors.length > 0 ? (
+					<Button variant="unstyled" className="primary-button" type="button" onClick={onAddMonitor}>
+						Add monitor <ArrowRight />
+					</Button>
+				) : null}
+			</section>
+
+			<section className="metric-grid" aria-label="Monitor summary">
+				<div className="metric-card">
+					<p>Total monitors</p>
+					<strong>{monitors.length}</strong>
+					<span>{monitors.filter((monitor) => monitor.enabled).length} enabled</span>
+				</div>
+				<div className="metric-card">
+					<p>Currently up</p>
+					<strong>{up}</strong>
+					<span>Latest checks succeeded</span>
+				</div>
+				<div className="metric-card">
+					<p>Currently down</p>
+					<strong>{down}</strong>
+					<span>Needs attention</span>
+				</div>
+			</section>
+		</>
+	);
+}

src/client/components/dashboard/DeleteMonitorDialog.tsx

@@ -0,0 +1,63 @@
+import {
+	AlertDialog,
+	AlertDialogAction,
+	AlertDialogCancel,
+	AlertDialogContent,
+	AlertDialogDescription,
+	AlertDialogFooter,
+	AlertDialogHeader,
+	AlertDialogTitle,
+} from '@/components/ui/alert-dialog';
+import { Button } from '@/components/ui/button';
+import type { Monitor } from '../../api/monitors';
+
+type DeleteMonitorDialogProps = {
+	monitor: Monitor | null;
+	isPending: boolean;
+	onCancel: () => void;
+	onConfirm: () => void;
+};
+
+export function DeleteMonitorDialog({ monitor, isPending, onCancel, onConfirm }: DeleteMonitorDialogProps) {
+	return (
+		<AlertDialog
+			open={monitor !== null}
+			onOpenChange={(open) => {
+				if (!open && !isPending) onCancel();
+			}}
+		>
+			<AlertDialogContent
+				onEscapeKeyDown={(event) => {
+					if (isPending) event.preventDefault();
+				}}
+			>
+				<AlertDialogHeader>
+					<p className="overline">Confirm</p>
+					<AlertDialogTitle>Delete {monitor?.name}?</AlertDialogTitle>
+					<AlertDialogDescription>This permanently deletes the monitor and its check history.</AlertDialogDescription>
+				</AlertDialogHeader>
+				<AlertDialogFooter className="form-actions compact-actions">
+					<AlertDialogCancel>
+						<Button variant="unstyled" className="secondary-button" type="button" disabled={isPending}>
+							Cancel
+						</Button>
+					</AlertDialogCancel>
+					<AlertDialogAction>
+						<Button
+							variant="unstyled"
+							className="danger-button"
+							type="button"
+							onClick={(event) => {
+								event.preventDefault();
+								onConfirm();
+							}}
+							disabled={isPending}
+						>
+							{isPending ? 'Deleting…' : 'Delete'}
+						</Button>
+					</AlertDialogAction>
+				</AlertDialogFooter>
+			</AlertDialogContent>
+		</AlertDialog>
+	);
+}

src/client/components/dashboard/MonitorFormDialog.tsx

@@ -0,0 +1,198 @@
+import { type FormEvent, useState } from 'react';
+import { Button } from '@/components/ui/button';
+import { Dialog, DialogContent, DialogDescription, DialogHeader, DialogTitle } from '@/components/ui/dialog';
+import { Input } from '@/components/ui/input';
+import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from '@/components/ui/select';
+import { Switch } from '@/components/ui/switch';
+import type { Monitor, MonitorInput, MonitorMethod } from '../../api/monitors';
+import { useCreateMonitorMutation, useUpdateMonitorMutation } from '../../queries/monitors';
+
+export const DEFAULT_MONITOR_INPUT: MonitorInput = {
+	name: '',
+	url: 'https://',
+	method: 'GET',
+	expectedStatus: 200,
+	intervalSeconds: 300,
+	timeoutMs: 10_000,
+	enabled: true,
+};
+
+const INTERVAL_OPTIONS = [
+	{ value: '300', label: '5 minutes' },
+	{ value: '900', label: '15 minutes' },
+	{ value: '1800', label: '30 minutes' },
+	{ value: '3600', label: '1 hour' },
+	{ value: '86400', label: '24 hours' },
+];
+
+type MonitorFormDialogProps = {
+	editing: Monitor | null;
+	onClose: () => void;
+};
+
+function errorMessage(error: unknown, fallback: string) {
+	return error instanceof Error ? error.message : fallback;
+}
+
+function monitorInput(monitor: Monitor | null): MonitorInput {
+	if (!monitor) return DEFAULT_MONITOR_INPUT;
+	return {
+		name: monitor.name,
+		url: monitor.url,
+		method: monitor.method,
+		expectedStatus: monitor.expectedStatus,
+		intervalSeconds: monitor.intervalSeconds,
+		timeoutMs: monitor.timeoutMs,
+		enabled: monitor.enabled,
+		alertsEnabled: monitor.alertsEnabled,
+	};
+}
+
+export function MonitorFormDialog({ editing, onClose }: MonitorFormDialogProps) {
+	const createMutation = useCreateMonitorMutation();
+	const updateMutation = useUpdateMonitorMutation();
+	const [form, setForm] = useState<MonitorInput>(() => monitorInput(editing));
+	const formMutation = editing ? updateMutation : createMutation;
+
+	function closeForm() {
+		if (formMutation.isPending) return;
+		onClose();
+	}
+
+	function handleSubmit(event: FormEvent<HTMLFormElement>) {
+		event.preventDefault();
+		if (editing) {
+			updateMutation.mutate({ id: editing.id, input: form }, { onSuccess: onClose });
+		} else {
+			createMutation.mutate(form, { onSuccess: onClose });
+		}
+	}
+
+	return (
+		<Dialog
+			open
+			onOpenChange={(nextOpen) => {
+				if (!nextOpen) closeForm();
+			}}
+		>
+			<DialogContent
+				className="max-h-[85vh] w-[calc(100%-2rem)] overflow-y-auto sm:max-w-3xl"
+				onEscapeKeyDown={(event) => {
+					if (formMutation.isPending) event.preventDefault();
+				}}
+				onInteractOutside={(event) => {
+					if (formMutation.isPending) event.preventDefault();
+				}}
+			>
+				<DialogHeader>
+					<p className="overline">Configuration</p>
+					<DialogTitle>{editing ? `Edit ${editing.name}` : 'Add a monitor'}</DialogTitle>
+					<DialogDescription>Checks run on the configured schedule, with a minimum interval of five minutes.</DialogDescription>
+				</DialogHeader>
+				<form className="monitor-form" onSubmit={handleSubmit}>
+					<label className="field field-name" htmlFor="monitor-name">
+						<span>Name</span>
+						<Input
+							id="monitor-name"
+							value={form.name}
+							onChange={(event) => setForm({ ...form, name: event.target.value })}
+							maxLength={100}
+							required
+						/>
+					</label>
+					<label className="field field-url" htmlFor="monitor-url">
+						<span>URL</span>
+						<Input
+							id="monitor-url"
+							type="url"
+							value={form.url}
+							onChange={(event) => setForm({ ...form, url: event.target.value })}
+							placeholder="https://example.com/health"
+							required
+						/>
+					</label>
+					<div className="field">
+						<span id="monitor-method-label">Method</span>
+						<Select value={form.method} onValueChange={(value) => setForm({ ...form, method: value as MonitorMethod })}>
+							<SelectTrigger aria-labelledby="monitor-method-label">
+								<SelectValue />
+							</SelectTrigger>
+							<SelectContent>
+								{(['GET', 'HEAD', 'POST'] as const).map((method) => (
+									<SelectItem key={method} value={method}>
+										{method}
+									</SelectItem>
+								))}
+							</SelectContent>
+						</Select>
+					</div>
+					<label className="field" htmlFor="monitor-expected-status">
+						<span>Expected status</span>
+						<Input
+							id="monitor-expected-status"
+							type="number"
+							min="100"
+							max="599"
+							value={form.expectedStatus}
+							onChange={(event) => setForm({ ...form, expectedStatus: event.target.valueAsNumber })}
+							required
+						/>
+					</label>
+					<div className="field">
+						<span id="monitor-interval-label">Interval</span>
+						<Select value={String(form.intervalSeconds)} onValueChange={(value) => setForm({ ...form, intervalSeconds: Number(value) })}>
+							<SelectTrigger aria-labelledby="monitor-interval-label">
+								<SelectValue />
+							</SelectTrigger>
+							<SelectContent>
+								{INTERVAL_OPTIONS.map((option) => (
+									<SelectItem key={option.value} value={option.value}>
+										{option.label}
+									</SelectItem>
+								))}
+							</SelectContent>
+						</Select>
+					</div>
+					<label className="field" htmlFor="monitor-timeout">
+						<span>Timeout (ms)</span>
+						<Input
+							id="monitor-timeout"
+							type="number"
+							min="1000"
+							max="30000"
+							step="1000"
+							value={form.timeoutMs}
+							onChange={(event) => setForm({ ...form, timeoutMs: event.target.valueAsNumber })}
+							required
+						/>
+					</label>
+					<div className="toggle-field">
+						<Switch id="monitor-enabled" checked={form.enabled ?? true} onCheckedChange={(enabled) => setForm({ ...form, enabled })} />
+						<label htmlFor="monitor-enabled">Enable scheduled checks</label>
+					</div>
+					<div className="toggle-field">
+						<Switch
+							id="monitor-alerts-enabled"
+							checked={form.alertsEnabled ?? true}
+							onCheckedChange={(alertsEnabled) => setForm({ ...form, alertsEnabled })}
+						/>
+						<label htmlFor="monitor-alerts-enabled">Enable incident alerts</label>
+					</div>
+					<div className="form-actions compact-actions">
+						<Button variant="unstyled" className="secondary-button" type="button" onClick={closeForm}>
+							Cancel
+						</Button>
+						<Button variant="unstyled" className="primary-button" type="submit" disabled={formMutation.isPending}>
+							{formMutation.isPending ? 'Saving…' : editing ? 'Save changes' : 'Add monitor'}
+						</Button>
+					</div>
+					{formMutation.isError && (
+						<p className="form-error" role="alert">
+							{errorMessage(formMutation.error, 'Unable to save monitor')}
+						</p>
+					)}
+				</form>
+			</DialogContent>
+		</Dialog>
+	);
+}

src/client/components/dashboard/MonitorListPanel.tsx

@@ -0,0 +1,209 @@
+import { useState } from 'react';
+import { ArrowRight, Database, History, Pencil, Power, PowerOff, RefreshCw, Trash2 } from 'lucide-react';
+import { Badge, type BadgeVariant } from '@/components/ui/badge';
+import { Button } from '@/components/ui/button';
+import type { Monitor } from '../../api/monitors';
+import { navigate } from '../../lib/router';
+import { useDeleteMonitorMutation, useMonitorsQuery, useRunCheckMutation, useUpdateMonitorMutation } from '../../queries/monitors';
+import { SiteIcon } from '../SiteIcon';
+import { DeleteMonitorDialog } from './DeleteMonitorDialog';
+
+type MonitorListPanelProps = {
+	formOpen: boolean;
+	onAddMonitor: () => void;
+	onEdit: (monitor: Monitor) => void;
+};
+
+function formatCheckedAt(value: string | null) {
+	if (!value) return 'Not checked yet';
+	return new Intl.DateTimeFormat('en', {
+		dateStyle: 'medium',
+		timeStyle: 'short',
+	}).format(new Date(value));
+}
+
+function monitorStatus(monitor: Monitor): { label: string; className: BadgeVariant } {
+	if (monitor.lastOk === true) return { label: 'Up', className: 'online' };
+	if (monitor.lastOk === false) return { label: 'Down', className: 'offline' };
+	return { label: 'Not checked', className: 'checking' };
+}
+
+function errorMessage(error: unknown, fallback: string) {
+	return error instanceof Error ? error.message : fallback;
+}
+
+export function MonitorListPanel({ formOpen, onAddMonitor, onEdit }: MonitorListPanelProps) {
+	const monitorsQuery = useMonitorsQuery();
+	const updateMutation = useUpdateMonitorMutation();
+	const deleteMutation = useDeleteMonitorMutation();
+	const checkMutation = useRunCheckMutation();
+	const [pendingDelete, setPendingDelete] = useState<Monitor | null>(null);
+	const monitors = monitorsQuery.data?.monitors ?? [];
+
+	function confirmDelete() {
+		if (!pendingDelete) return;
+		deleteMutation.mutate(pendingDelete.id, {
+			onSuccess: () => setPendingDelete(null),
+		});
+	}
+
+	return (
+		<section className="services-panel" aria-labelledby="monitor-list-title">
+			<DeleteMonitorDialog
+				monitor={pendingDelete}
+				isPending={deleteMutation.isPending}
+				onCancel={() => setPendingDelete(null)}
+				onConfirm={confirmDelete}
+			/>
+			<div className="panel-heading">
+				<div>
+					<h2 id="monitor-list-title">Configured sites</h2>
+					<p>Latest result for each monitored endpoint.</p>
+				</div>
+				<Button
+					variant="unstyled"
+					className="icon-button"
+					type="button"
+					onClick={() => void monitorsQuery.refetch()}
+					disabled={monitorsQuery.isFetching}
+					aria-label="Refresh monitors"
+				>
+					<RefreshCw className={monitorsQuery.isFetching ? 'is-spinning' : ''} />
+				</Button>
+			</div>
+
+			{monitorsQuery.isPending ? (
+				<div className="monitor-skeleton" aria-label="Loading monitors">
+					{[0, 1, 2].map((item) => (
+						<div key={item}>
+							<i />
+							<span />
+							<b />
+						</div>
+					))}
+				</div>
+			) : monitorsQuery.isError ? (
+				<div className="panel-state error-state">
+					<strong>Monitors could not be loaded</strong>
+					<p>{errorMessage(monitorsQuery.error, 'Unknown request error')}</p>
+					<Button variant="unstyled" className="secondary-button" type="button" onClick={() => void monitorsQuery.refetch()}>
+						Try again
+					</Button>
+				</div>
+			) : monitors.length === 0 ? (
+				<div className="panel-state empty-state">
+					<span className="empty-icon">
+						<Database />
+					</span>
+					<strong>No monitors yet</strong>
+					<p>Add the first endpoint to start collecting availability checks.</p>
+					{!formOpen && (
+						<Button variant="unstyled" className="primary-button" type="button" onClick={onAddMonitor}>
+							Add first site <ArrowRight />
+						</Button>
+					)}
+				</div>
+			) : (
+				<div className="monitor-list">
+					<div className="services-title">
+						<span>Monitor</span>
+						<span>Latest result</span>
+						<span>Actions</span>
+					</div>
+					{monitors.map((monitor) => {
+						const status = monitorStatus(monitor);
+						const checking = checkMutation.isPending && checkMutation.variables === monitor.id;
+						const deleting = deleteMutation.isPending && deleteMutation.variables === monitor.id;
+						const toggling = updateMutation.isPending && updateMutation.variables?.id === monitor.id;
+						return (
+							<article className={`service-row ${monitor.enabled ? '' : 'is-disabled'}`} key={monitor.id}>
+								<div className="service-name">
+									<span className="service-icon">
+										<SiteIcon key={monitor.url} monitorId={monitor.id} />
+									</span>
+									<div>
+										<Button
+											variant="unstyled"
+											className="monitor-name-link"
+											type="button"
+											onClick={() => navigate(`/monitors/${monitor.id}`)}
+										>
+											{monitor.name}
+										</Button>
+										<small title={monitor.url}>{monitor.url}</small>
+										<span className="monitor-meta">
+											{monitor.method} · expect {monitor.expectedStatus} · every {monitor.intervalSeconds / 60}m
+										</span>
+									</div>
+								</div>
+								<div className="monitor-result">
+									<Badge variant={checking ? 'checking' : status.className}>{checking ? 'Checking' : status.label}</Badge>
+									<code>
+										{monitor.lastStatusCode === null ? '—' : `HTTP ${monitor.lastStatusCode}`} ·{' '}
+										{monitor.lastLatencyMs === null ? '—' : `${monitor.lastLatencyMs} ms`}
+									</code>
+									<small title={monitor.lastError ?? undefined}>{monitor.lastError ?? formatCheckedAt(monitor.lastCheckedAt)}</small>
+								</div>
+								<div className="row-actions" aria-label={`Actions for ${monitor.name}`}>
+									<Button
+										variant="unstyled"
+										className="row-action row-action-labeled"
+										type="button"
+										onClick={() => navigate(`/monitors/${monitor.id}`)}
+									>
+										<History aria-hidden="true" />
+										<span>History</span>
+									</Button>
+									<Button
+										variant="unstyled"
+										className="row-action row-action-labeled row-action-accent"
+										type="button"
+										onClick={() => checkMutation.mutate(monitor.id)}
+										disabled={checking}
+										aria-busy={checking}
+									>
+										<RefreshCw className={checking ? 'is-spinning' : ''} aria-hidden="true" />
+										<span>{checking ? 'Checking' : 'Check now'}</span>
+									</Button>
+									<Button
+										variant="unstyled"
+										className="row-action row-action-icon"
+										type="button"
+										onClick={() => onEdit(monitor)}
+										aria-label={`Edit ${monitor.name}`}
+										title="Edit monitor"
+									>
+										<Pencil aria-hidden="true" />
+									</Button>
+									<Button
+										variant="unstyled"
+										className="row-action row-action-icon"
+										type="button"
+										onClick={() => updateMutation.mutate({ id: monitor.id, input: { enabled: !monitor.enabled } })}
+										disabled={toggling}
+										aria-label={`${monitor.enabled ? 'Disable' : 'Enable'} ${monitor.name}`}
+										title={`${monitor.enabled ? 'Disable' : 'Enable'} monitor`}
+									>
+										{monitor.enabled ? <PowerOff aria-hidden="true" /> : <Power aria-hidden="true" />}
+									</Button>
+									<Button
+										variant="unstyled"
+										className="row-action row-action-icon danger-action"
+										type="button"
+										onClick={() => setPendingDelete(monitor)}
+										disabled={deleting}
+										aria-label={`Delete ${monitor.name}`}
+										title="Delete monitor"
+										aria-busy={deleting}
+									>
+										<Trash2 aria-hidden="true" />
+									</Button>
+								</div>
+							</article>
+						);
+					})}
+				</div>
+			)}
+		</section>
+	);
+}

src/client/pages/.gitkeep

@@ -1 +0,0 @@
-# Reserved for application pages.

src/client/pages/DashboardPage.tsx

@@ -1,438 +1,43 @@
-import { type FormEvent, useState } from 'react';
-import { ArrowRight, Database, History, Pencil, Power, PowerOff, RefreshCw, Trash2, Zap } from 'lucide-react';
-import { Button } from '@/components/ui/button';
-import { Dialog, DialogContent, DialogDescription, DialogHeader, DialogTitle } from '@/components/ui/dialog';
-import type { Monitor, MonitorInput, MonitorMethod } from '../api/monitors';
-import { SiteIcon } from '../components/SiteIcon';
-import { useLogoutMutation } from '../queries/auth';
-import { navigate } from '../lib/router';
-import {
-	useCreateMonitorMutation,
-	useDeleteMonitorMutation,
-	useMonitorsQuery,
-	useRunCheckMutation,
-	useUpdateMonitorMutation,
-} from '../queries/monitors';
-
-const DEFAULT_INPUT: MonitorInput = {
-	name: '',
-	url: 'https://',
-	method: 'GET',
-	expectedStatus: 200,
-	intervalSeconds: 300,
-	timeoutMs: 10_000,
-	enabled: true,
-};
-
-function formatCheckedAt(value: string | null) {
-	if (!value) return 'Not checked yet';
-	return new Intl.DateTimeFormat('en', {
-		dateStyle: 'medium',
-		timeStyle: 'short',
-	}).format(new Date(value));
-}
-
-function monitorStatus(monitor: Monitor) {
-	if (monitor.lastOk === true) return { label: 'Up', className: 'online' };
-	if (monitor.lastOk === false) return { label: 'Down', className: 'offline' };
-	return { label: 'Not checked', className: 'checking' };
-}
-
-function errorMessage(error: unknown, fallback: string) {
-	return error instanceof Error ? error.message : fallback;
-}
+import { useState } from 'react';
+import type { Monitor } from '../api/monitors';
+import { DashboardFooter } from '../components/dashboard/DashboardFooter';
+import { DashboardHeader } from '../components/dashboard/DashboardHeader';
+import { DashboardOverview } from '../components/dashboard/DashboardOverview';
+import { MonitorFormDialog } from '../components/dashboard/MonitorFormDialog';
+import { MonitorListPanel } from '../components/dashboard/MonitorListPanel';
 
 export function DashboardPage() {
-	const monitorsQuery = useMonitorsQuery();
-	const createMutation = useCreateMonitorMutation();
-	const updateMutation = useUpdateMonitorMutation();
-	const deleteMutation = useDeleteMonitorMutation();
-	const checkMutation = useRunCheckMutation();
-	const logoutMutation = useLogoutMutation();
-	const [formOpen, setFormOpen] = useState(false);
 	const [editing, setEditing] = useState<Monitor | null>(null);
-	const [form, setForm] = useState<MonitorInput>(DEFAULT_INPUT);
-
-	const monitors = monitorsQuery.data?.monitors ?? [];
-	const up = monitors.filter((monitor) => monitor.lastOk === true).length;
-	const down = monitors.filter((monitor) => monitor.lastOk === false).length;
-	const formMutation = editing ? updateMutation : createMutation;
+	const [formOpen, setFormOpen] = useState(false);
 
 	function openCreateForm() {
 		setEditing(null);
-		setForm(DEFAULT_INPUT);
 		setFormOpen(true);
 	}
 
 	function openEditForm(monitor: Monitor) {
 		setEditing(monitor);
-		setForm({
-			name: monitor.name,
-			url: monitor.url,
-			method: monitor.method,
-			expectedStatus: monitor.expectedStatus,
-			intervalSeconds: monitor.intervalSeconds,
-			timeoutMs: monitor.timeoutMs,
-			enabled: monitor.enabled,
-			alertsEnabled: monitor.alertsEnabled,
-		});
 		setFormOpen(true);
 	}
 
 	function closeForm() {
-		if (formMutation.isPending) return;
 		setFormOpen(false);
 		setEditing(null);
 	}
 
-	function handleSubmit(event: FormEvent<HTMLFormElement>) {
-		event.preventDefault();
-		const onSuccess = () => closeForm();
-		if (editing) {
-			updateMutation.mutate({ id: editing.id, input: form }, { onSuccess });
-		} else {
-			createMutation.mutate(form, { onSuccess });
-		}
-	}
-
-	function handleDelete(monitor: Monitor) {
-		if (window.confirm(`Delete ${monitor.name} and its check history?`)) {
-			deleteMutation.mutate(monitor.id);
-		}
-	}
-
 	return (
 		<div className="dashboard-shell">
-			<header className="dashboard-header">
-				<div className="dashboard-header-inner">
-					<a className="brand" href="/dashboard" aria-label="Upwatch dashboard">
-						<Zap className="brand-mark" fill="currentColor" />
-						<span>upwatch</span>
-					</a>
-					<div className="nav-actions">
-						<span className="header-context">Production monitors</span>
-						<a className="nav-auth" href="/">
-							View status page
-						</a>
-						<Button variant="unstyled" className="nav-auth" type="button" onClick={() => navigate('/settings')}>
-							Settings
-						</Button>
-						<Button
-							variant="unstyled"
-							className="nav-auth"
-							type="button"
-							onClick={() => logoutMutation.mutate()}
-							disabled={logoutMutation.isPending}
-						>
-							{logoutMutation.isPending ? 'Signing out…' : 'Sign out'}
-						</Button>
-					</div>
-				</div>
-			</header>
+			<DashboardHeader />
 
 			<main className="dashboard-main">
-				<section className="dashboard-intro">
-					<div>
-						<p className="overline">Infrastructure</p>
-						<h1>Monitors</h1>
-						<p>Track endpoint availability from Cloudflare's edge every five minutes.</p>
-					</div>
-					{monitorsQuery.isSuccess && monitors.length > 0 ? (
-						<Button variant="unstyled" className="primary-button" type="button" onClick={openCreateForm}>
-							Add monitor <ArrowRight />
-						</Button>
-					) : null}
-				</section>
+				<DashboardOverview onAddMonitor={openCreateForm} />
 
-				<section className="metric-grid" aria-label="Monitor summary">
-					<div className="metric-card">
-						<p>Total monitors</p>
-						<strong>{monitors.length}</strong>
-						<span>{monitors.filter((monitor) => monitor.enabled).length} enabled</span>
-					</div>
-					<div className="metric-card">
-						<p>Currently up</p>
-						<strong>{up}</strong>
-						<span>Latest checks succeeded</span>
-					</div>
-					<div className="metric-card">
-						<p>Currently down</p>
-						<strong>{down}</strong>
-						<span>Needs attention</span>
-					</div>
-				</section>
+				{formOpen ? <MonitorFormDialog key={editing?.id ?? 'create'} editing={editing} onClose={closeForm} /> : null}
 
-				<Dialog
-					open={formOpen}
-					onOpenChange={(open) => {
-						if (!open) closeForm();
-					}}
-				>
-					<DialogContent
-						className="max-h-[85vh] w-[calc(100%-2rem)] overflow-y-auto sm:max-w-3xl"
-						onEscapeKeyDown={(event) => {
-							if (formMutation.isPending) event.preventDefault();
-						}}
-						onInteractOutside={(event) => {
-							if (formMutation.isPending) event.preventDefault();
-						}}
-					>
-						<DialogHeader>
-							<p className="overline">Configuration</p>
-							<DialogTitle>{editing ? `Edit ${editing.name}` : 'Add a monitor'}</DialogTitle>
-							<DialogDescription>Checks run on the configured schedule, with a minimum interval of five minutes.</DialogDescription>
-						</DialogHeader>
-						<form className="monitor-form" onSubmit={handleSubmit}>
-							<label className="field field-name">
-								<span>Name</span>
-								<input value={form.name} onChange={(event) => setForm({ ...form, name: event.target.value })} maxLength={100} required />
-							</label>
-							<label className="field field-url">
-								<span>URL</span>
-								<input
-									type="url"
-									value={form.url}
-									onChange={(event) => setForm({ ...form, url: event.target.value })}
-									placeholder="https://example.com/health"
-									required
-								/>
-							</label>
-							<label className="field">
-								<span>Method</span>
-								<select value={form.method} onChange={(event) => setForm({ ...form, method: event.target.value as MonitorMethod })}>
-									<option>GET</option>
-									<option>HEAD</option>
-									<option>POST</option>
-								</select>
-							</label>
-							<label className="field">
-								<span>Expected status</span>
-								<input
-									type="number"
-									min="100"
-									max="599"
-									value={form.expectedStatus}
-									onChange={(event) => setForm({ ...form, expectedStatus: event.target.valueAsNumber })}
-									required
-								/>
-							</label>
-							<label className="field">
-								<span>Interval</span>
-								<select
-									value={form.intervalSeconds}
-									onChange={(event) => setForm({ ...form, intervalSeconds: Number(event.target.value) })}
-								>
-									<option value="300">5 minutes</option>
-									<option value="900">15 minutes</option>
-									<option value="1800">30 minutes</option>
-									<option value="3600">1 hour</option>
-									<option value="86400">24 hours</option>
-								</select>
-							</label>
-							<label className="field">
-								<span>Timeout (ms)</span>
-								<input
-									type="number"
-									min="1000"
-									max="30000"
-									step="1000"
-									value={form.timeoutMs}
-									onChange={(event) => setForm({ ...form, timeoutMs: event.target.valueAsNumber })}
-									required
-								/>
-							</label>
-							<label className="toggle-field">
-								<input
-									type="checkbox"
-									checked={form.enabled ?? true}
-									onChange={(event) => setForm({ ...form, enabled: event.target.checked })}
-								/>
-								<span>Enable scheduled checks</span>
-							</label>
-							<label className="toggle-field">
-								<input
-									type="checkbox"
-									checked={form.alertsEnabled ?? true}
-									onChange={(event) => setForm({ ...form, alertsEnabled: event.target.checked })}
-								/>
-								<span>Enable incident alerts</span>
-							</label>
-							<div className="form-actions compact-actions">
-								<Button variant="unstyled" className="secondary-button" type="button" onClick={closeForm}>
-									Cancel
-								</Button>
-								<Button variant="unstyled" className="primary-button" type="submit" disabled={formMutation.isPending}>
-									{formMutation.isPending ? 'Saving…' : editing ? 'Save changes' : 'Add monitor'}
-								</Button>
-							</div>
-							{formMutation.isError && (
-								<p className="form-error" role="alert">
-									{errorMessage(formMutation.error, 'Unable to save monitor')}
-								</p>
-							)}
-						</form>
-					</DialogContent>
-				</Dialog>
-
-				<section className="services-panel" aria-labelledby="monitor-list-title">
-					<div className="panel-heading">
-						<div>
-							<h2 id="monitor-list-title">Configured sites</h2>
-							<p>Latest result for each monitored endpoint.</p>
-						</div>
-						<Button
-							variant="unstyled"
-							className="icon-button"
-							type="button"
-							onClick={() => void monitorsQuery.refetch()}
-							disabled={monitorsQuery.isFetching}
-							aria-label="Refresh monitors"
-						>
-							<RefreshCw className={monitorsQuery.isFetching ? 'is-spinning' : ''} />
-						</Button>
-					</div>
-
-					{monitorsQuery.isPending ? (
-						<div className="monitor-skeleton" aria-label="Loading monitors">
-							{[0, 1, 2].map((item) => (
-								<div key={item}>
-									<i />
-									<span />
-									<b />
-								</div>
-							))}
-						</div>
-					) : monitorsQuery.isError ? (
-						<div className="panel-state error-state">
-							<strong>Monitors could not be loaded</strong>
-							<p>{errorMessage(monitorsQuery.error, 'Unknown request error')}</p>
-							<Button variant="unstyled" className="secondary-button" type="button" onClick={() => void monitorsQuery.refetch()}>
-								Try again
-							</Button>
-						</div>
-					) : monitors.length === 0 ? (
-						<div className="panel-state empty-state">
-							<span className="empty-icon">
-								<Database />
-							</span>
-							<strong>No monitors yet</strong>
-							<p>Add the first endpoint to start collecting availability checks.</p>
-							{!formOpen && (
-								<Button variant="unstyled" className="primary-button" type="button" onClick={openCreateForm}>
-									Add first site <ArrowRight />
-								</Button>
-							)}
-						</div>
-					) : (
-						<div className="monitor-list">
-							<div className="services-title">
-								<span>Monitor</span>
-								<span>Latest result</span>
-								<span>Actions</span>
-							</div>
-							{monitors.map((monitor) => {
-								const status = monitorStatus(monitor);
-								const checking = checkMutation.isPending && checkMutation.variables === monitor.id;
-								const deleting = deleteMutation.isPending && deleteMutation.variables === monitor.id;
-								const toggling = updateMutation.isPending && updateMutation.variables?.id === monitor.id;
-								return (
-									<article className={`service-row ${monitor.enabled ? '' : 'is-disabled'}`} key={monitor.id}>
-										<div className="service-name">
-											<span className="service-icon">
-												<SiteIcon key={monitor.url} monitorId={monitor.id} />
-											</span>
-											<div>
-												<Button
-													variant="unstyled"
-													className="monitor-name-link"
-													type="button"
-													onClick={() => navigate(`/monitors/${monitor.id}`)}
-												>
-													{monitor.name}
-												</Button>
-												<small title={monitor.url}>{monitor.url}</small>
-												<span className="monitor-meta">
-													{monitor.method} · expect {monitor.expectedStatus} · every {monitor.intervalSeconds / 60}m
-												</span>
-											</div>
-										</div>
-										<div className="monitor-result">
-											<span className={`row-status ${checking ? 'checking' : status.className}`}>
-												<i />
-												{checking ? 'Checking' : status.label}
-											</span>
-											<code>
-												{monitor.lastStatusCode === null ? '—' : `HTTP ${monitor.lastStatusCode}`} ·{' '}
-												{monitor.lastLatencyMs === null ? '—' : `${monitor.lastLatencyMs} ms`}
-											</code>
-											<small title={monitor.lastError ?? undefined}>{monitor.lastError ?? formatCheckedAt(monitor.lastCheckedAt)}</small>
-										</div>
-										<div className="row-actions" aria-label={`Actions for ${monitor.name}`}>
-											<Button
-												variant="unstyled"
-												className="row-action row-action-labeled"
-												type="button"
-												onClick={() => navigate(`/monitors/${monitor.id}`)}
-											>
-												<History aria-hidden="true" />
-												<span>History</span>
-											</Button>
-											<Button
-												variant="unstyled"
-												className="row-action row-action-labeled row-action-accent"
-												type="button"
-												onClick={() => checkMutation.mutate(monitor.id)}
-												disabled={checking}
-												aria-busy={checking}
-											>
-												<RefreshCw className={checking ? 'is-spinning' : ''} aria-hidden="true" />
-												<span>{checking ? 'Checking' : 'Check now'}</span>
-											</Button>
-											<Button
-												variant="unstyled"
-												className="row-action row-action-icon"
-												type="button"
-												onClick={() => openEditForm(monitor)}
-												aria-label={`Edit ${monitor.name}`}
-												title="Edit monitor"
-											>
-												<Pencil aria-hidden="true" />
-											</Button>
-											<Button
-												variant="unstyled"
-												className="row-action row-action-icon"
-												type="button"
-												onClick={() => updateMutation.mutate({ id: monitor.id, input: { enabled: !monitor.enabled } })}
-												disabled={toggling}
-												aria-label={`${monitor.enabled ? 'Disable' : 'Enable'} ${monitor.name}`}
-												title={`${monitor.enabled ? 'Disable' : 'Enable'} monitor`}
-											>
-												{monitor.enabled ? <PowerOff aria-hidden="true" /> : <Power aria-hidden="true" />}
-											</Button>
-											<Button
-												variant="unstyled"
-												className="row-action row-action-icon danger-action"
-												type="button"
-												onClick={() => handleDelete(monitor)}
-												disabled={deleting}
-												aria-label={`Delete ${monitor.name}`}
-												title="Delete monitor"
-												aria-busy={deleting}
-											>
-												<Trash2 aria-hidden="true" />
-											</Button>
-										</div>
-									</article>
-								);
-							})}
-						</div>
-					)}
-				</section>
+				<MonitorListPanel formOpen={formOpen} onAddMonitor={openCreateForm} onEdit={openEditForm} />
 			</main>
-			<footer className="dashboard-page-footer">
-				<span>Cloudflare Workers + D1</span>
-				<span>Automatic refresh every minute</span>
-			</footer>
+
+			<DashboardFooter />
 		</div>
 	);
 }

src/client/pages/LoginPage.tsx

@@ -1,6 +1,7 @@
 import { type FormEvent, useEffect, useState } from 'react';
 import { Zap } from 'lucide-react';
 import { Button } from '@/components/ui/button';
+import { Input } from '@/components/ui/input';
 import { navigate } from '../lib/router';
 import { useLoginMutation, useSessionQuery } from '../queries/auth';
 
@@ -37,7 +38,7 @@ export function LoginPage() {
 				<form className="auth-form" onSubmit={handleSubmit}>
 					<div className="auth-field">
 						<label htmlFor="password">Password</label>
-						<input
+						<Input
 							id="password"
 							type="password"
 							autoComplete="current-password"

src/client/pages/MonitorDetailPage.tsx

@@ -1,4 +1,5 @@
 import { ArrowLeft, BellOff, CheckCircle2, Clock3, ExternalLink, RefreshCw, Zap } from 'lucide-react';
+import { Badge, type BadgeVariant } from '@/components/ui/badge';
 import { Button } from '@/components/ui/button';
 import { LatencySparkline } from '../components/charts/LatencySparkline';
 import { UptimeBar } from '../components/charts/UptimeBar';
@@ -24,7 +25,7 @@ function formatDuration(ms: number | null, startedAt: string) {
 	return `${Math.round(duration / 86_400_000)} days`;
 }
 
-function statusDetails(lastOk: boolean | null) {
+function statusDetails(lastOk: boolean | null): { label: string; className: BadgeVariant } {
 	if (lastOk === true) return { label: 'Operational', className: 'online' };
 	if (lastOk === false) return { label: 'Down', className: 'offline' };
 	return { label: 'Awaiting first check', className: 'checking' };
@@ -96,10 +97,7 @@ export function MonitorDetailPage({ id }: { id: number }) {
 						</div>
 					</div>
 					<div className="detail-actions">
-						<span className={`row-status ${status.className}`}>
-							<i />
-							{status.label}
-						</span>
+						<Badge variant={status.className}>{status.label}</Badge>
 						{!monitor.alertsEnabled && (
 							<span className="muted-alert">
 								<BellOff /> Alerts muted
@@ -187,10 +185,7 @@ export function MonitorDetailPage({ id }: { id: number }) {
 									{checks.slice(0, 20).map((check) => (
 										<tr key={check.id}>
 											<td>
-												<span className={`row-status ${check.ok ? 'online' : 'offline'}`}>
-													<i />
-													{check.ok ? 'Up' : 'Down'}
-												</span>
+												<Badge variant={check.ok ? 'online' : 'offline'}>{check.ok ? 'Up' : 'Down'}</Badge>
 											</td>
 											<td>
 												<code>{check.statusCode ? `HTTP ${check.statusCode}` : (check.error ?? 'Failed')}</code>

src/client/pages/SettingsPage.tsx

@@ -1,6 +1,8 @@
 import { type FormEvent, useState } from 'react';
 import { ArrowLeft, BellRing, Send, Zap } from 'lucide-react';
 import { Button } from '@/components/ui/button';
+import { Input } from '@/components/ui/input';
+import { Switch } from '@/components/ui/switch';
 import type { NotificationSettings } from '../api/settings';
 import { navigate } from '../lib/router';
 import { useLogoutMutation } from '../queries/auth';
@@ -25,7 +27,7 @@ function SettingsForm({ settings }: { settings: NotificationSettings }) {
 		<form className="settings-form" onSubmit={submit}>
 			<label className="field" htmlFor="webhook-url">
 				<span>Webhook URL</span>
-				<input
+				<Input
 					id="webhook-url"
 					type="url"
 					value={webhookUrl}
@@ -33,18 +35,13 @@ function SettingsForm({ settings }: { settings: NotificationSettings }) {
 					placeholder="https://hooks.example.com/services/…"
 				/>
 			</label>
-			<label className="settings-toggle" htmlFor="webhook-enabled" aria-label="Enable incident alerts">
-				<input
-					id="webhook-enabled"
-					type="checkbox"
-					checked={webhookEnabled}
-					onChange={(event) => setWebhookEnabled(event.target.checked)}
-				/>
-				<span>
+			<div className="settings-toggle">
+				<Switch id="webhook-enabled" checked={webhookEnabled} onCheckedChange={setWebhookEnabled} />
+				<label htmlFor="webhook-enabled">
 					<strong>Enable incident alerts</strong>
 					<small>Send a webhook when a monitor goes down and when it recovers.</small>
-				</span>
-			</label>
+				</label>
+			</div>
 			<div className="settings-actions">
 				<Button
 					variant="unstyled"

src/client/pages/StatusPage.tsx

@@ -1,5 +1,6 @@
 import { useEffect, useState } from 'react';
 import { Activity, CircleCheck, Database, RefreshCw, TriangleAlert, Zap } from 'lucide-react';
+import { Badge, type BadgeVariant } from '@/components/ui/badge';
 import { Button } from '@/components/ui/button';
 import type { PublicOverallStatus, PublicServiceStatus } from '../api/status';
 import { SiteIcon } from '../components/SiteIcon';
@@ -23,7 +24,7 @@ const OVERALL_COPY: Record<PublicOverallStatus, { title: string; detail: string
 	},
 };
 
-const SERVICE_STATUS: Record<PublicServiceStatus, { label: string; className: string }> = {
+const SERVICE_STATUS: Record<PublicServiceStatus, { label: string; className: BadgeVariant }> = {
 	up: { label: 'Operational', className: 'online' },
 	down: { label: 'Down', className: 'offline' },
 	unknown: { label: 'Awaiting data', className: 'checking' },
@@ -159,10 +160,9 @@ export function StatusPage() {
 													</span>
 													<div>
 														<strong>{service.name}</strong>
-														<span className={`row-status ${serviceStatus.className}`}>
-															<i />
+														<Badge className="mt-1.75" variant={serviceStatus.className}>
 															{serviceStatus.label}
-														</span>
+														</Badge>
 													</div>
 												</div>
 												<div className="public-service-uptime">

src/client/styles.css

@@ -205,7 +205,8 @@ button {
 	color: var(--muted);
 }
 .primary-button,
-.secondary-button {
+.secondary-button,
+.danger-button {
 	display: inline-flex;
 	align-items: center;
 	justify-content: center;
@@ -243,12 +244,23 @@ button {
 	border-color: #aaa;
 	background: var(--soft);
 }
+.danger-button {
+	border: 1px solid #efcaca;
+	color: #9f2f2f;
+	background: #fff6f6;
+}
+.danger-button:hover:not(:disabled) {
+	border-color: #e0b4b4;
+	background: #fff0f0;
+}
 .primary-button:active:not(:disabled),
-.secondary-button:active:not(:disabled) {
+.secondary-button:active:not(:disabled),
+.danger-button:active:not(:disabled) {
 	transform: translateY(1px);
 }
 .primary-button:disabled,
-.secondary-button:disabled {
+.secondary-button:disabled,
+.danger-button:disabled {
 	cursor: wait;
 	opacity: 0.6;
 }
@@ -310,28 +322,6 @@ button {
 	font-weight: 500;
 	color: #353535;
 }
-.field input,
-.field select {
-	width: 100%;
-	min-height: 42px;
-	padding: 8px 12px;
-	border: 1px solid #cfcfcf;
-	border-radius: 6px;
-	font-size: 14px;
-	color: var(--ink);
-	background: #fff;
-	box-shadow: inset 0 1px 2px rgb(0 0 0 / 0.025);
-}
-.field input:hover,
-.field select:hover {
-	border-color: #aaa;
-}
-.field input:focus,
-.field select:focus {
-	border-color: var(--primary-deep);
-	outline: 0;
-	box-shadow: 0 0 0 3px rgb(36 180 126 / 0.14);
-}
 .toggle-field {
 	display: flex;
 	align-items: center;
@@ -340,12 +330,9 @@ button {
 	min-height: 42px;
 	font-size: 13px;
 	color: #444;
-	cursor: pointer;
 }
-.toggle-field input {
-	width: 16px;
-	height: 16px;
-	accent-color: var(--primary-deep);
+.toggle-field label {
+	cursor: pointer;
 }
 .form-actions {
 	display: flex;
@@ -817,25 +804,6 @@ button {
 	font-weight: 500;
 	color: #353535;
 }
-.auth-field input {
-	width: 100%;
-	min-height: 42px;
-	padding: 8px 12px;
-	border: 1px solid #cfcfcf;
-	border-radius: 6px;
-	font-size: 14px;
-	color: var(--ink);
-	background: #fff;
-	box-shadow: inset 0 1px 2px rgb(0 0 0 / 0.025);
-}
-.auth-field input:hover {
-	border-color: #a9a9a9;
-}
-.auth-field input:focus {
-	border-color: var(--primary-deep);
-	outline: 0;
-	box-shadow: 0 0 0 3px rgb(36 180 126 / 0.14);
-}
 .auth-error {
 	margin: -4px 0 0;
 	padding: 10px 12px;
@@ -1384,15 +1352,11 @@ button {
 }
 .settings-toggle {
 	display: flex;
-	align-items: flex-start;
+	align-items: center;
 	gap: 11px;
-	cursor: pointer;
 }
-.settings-toggle input {
-	width: 17px;
-	height: 17px;
-	margin-top: 2px;
-	accent-color: var(--primary-deep);
+.settings-toggle label {
+	cursor: pointer;
 }
 .settings-toggle strong,
 .settings-toggle small {

src/components/ui/alert-dialog.tsx

@@ -0,0 +1,84 @@
+import * as React from 'react';
+import { AlertDialog as AlertDialogPrimitive } from 'radix-ui';
+
+import { cn } from '@/lib/utils';
+
+function AlertDialog({ ...props }: React.ComponentProps<typeof AlertDialogPrimitive.Root>) {
+	return <AlertDialogPrimitive.Root data-slot="alert-dialog" {...props} />;
+}
+
+function AlertDialogPortal({ ...props }: React.ComponentProps<typeof AlertDialogPrimitive.Portal>) {
+	return <AlertDialogPrimitive.Portal data-slot="alert-dialog-portal" {...props} />;
+}
+
+function AlertDialogOverlay({ className, ...props }: React.ComponentProps<typeof AlertDialogPrimitive.Overlay>) {
+	return (
+		<AlertDialogPrimitive.Overlay
+			data-slot="alert-dialog-overlay"
+			className={cn(
+				'fixed inset-0 isolate z-50 bg-black/10 duration-100 supports-backdrop-filter:backdrop-blur-xs data-open:animate-in data-open:fade-in-0 data-closed:animate-out data-closed:fade-out-0',
+				className,
+			)}
+			{...props}
+		/>
+	);
+}
+
+function AlertDialogContent({ className, ...props }: React.ComponentProps<typeof AlertDialogPrimitive.Content>) {
+	return (
+		<AlertDialogPortal>
+			<AlertDialogOverlay />
+			<AlertDialogPrimitive.Content
+				data-slot="alert-dialog-content"
+				className={cn(
+					'fixed top-1/2 left-1/2 z-50 grid w-full max-w-[calc(100%-2rem)] -translate-x-1/2 -translate-y-1/2 gap-4 rounded-xl bg-white p-6 text-sm text-neutral-900 shadow-xl ring-1 ring-black/10 duration-100 outline-none sm:max-w-sm data-open:animate-in data-open:fade-in-0 data-open:zoom-in-95 data-closed:animate-out data-closed:fade-out-0 data-closed:zoom-out-95 dark:bg-neutral-900 dark:text-neutral-50 dark:ring-white/10',
+					className,
+				)}
+				{...props}
+			/>
+		</AlertDialogPortal>
+	);
+}
+
+function AlertDialogHeader({ className, ...props }: React.ComponentProps<'div'>) {
+	return <div data-slot="alert-dialog-header" className={cn('flex flex-col gap-2', className)} {...props} />;
+}
+
+function AlertDialogFooter({ className, ...props }: React.ComponentProps<'div'>) {
+	return <div data-slot="alert-dialog-footer" className={cn(className)} {...props} />;
+}
+
+function AlertDialogTitle({ className, ...props }: React.ComponentProps<typeof AlertDialogPrimitive.Title>) {
+	return (
+		<AlertDialogPrimitive.Title data-slot="alert-dialog-title" className={cn('text-base leading-none font-medium', className)} {...props} />
+	);
+}
+
+function AlertDialogDescription({ className, ...props }: React.ComponentProps<typeof AlertDialogPrimitive.Description>) {
+	return (
+		<AlertDialogPrimitive.Description
+			data-slot="alert-dialog-description"
+			className={cn('text-sm text-neutral-500 dark:text-neutral-400', className)}
+			{...props}
+		/>
+	);
+}
+
+function AlertDialogAction(props: React.ComponentProps<typeof AlertDialogPrimitive.Action>) {
+	return <AlertDialogPrimitive.Action data-slot="alert-dialog-action" {...props} asChild />;
+}
+
+function AlertDialogCancel(props: React.ComponentProps<typeof AlertDialogPrimitive.Cancel>) {
+	return <AlertDialogPrimitive.Cancel data-slot="alert-dialog-cancel" {...props} asChild />;
+}
+
+export {
+	AlertDialog,
+	AlertDialogAction,
+	AlertDialogCancel,
+	AlertDialogContent,
+	AlertDialogDescription,
+	AlertDialogFooter,
+	AlertDialogHeader,
+	AlertDialogTitle,
+};

src/components/ui/badge.tsx

@@ -0,0 +1,30 @@
+import * as React from 'react';
+import { cva, type VariantProps } from 'class-variance-authority';
+
+import { cn } from '@/lib/utils';
+
+const badgeVariants = cva('inline-flex items-center gap-1.75 text-[12px] font-medium [&>i]:size-1.75 [&>i]:shrink-0 [&>i]:rounded-full', {
+	variants: {
+		variant: {
+			online: 'text-[#16885b] [&>i]:bg-(--primary-deep) [&>i]:shadow-[0_0_0_3px_rgb(62_207_142/0.12)]',
+			offline: 'text-[#ae3d3d] [&>i]:bg-[#d05a5a]',
+			checking: 'text-[#8b7722] [&>i]:animate-[blink_1.1s_ease-in-out_infinite] [&>i]:bg-[#d7bd53]',
+		},
+	},
+	defaultVariants: {
+		variant: 'online',
+	},
+});
+
+type BadgeVariant = NonNullable<VariantProps<typeof badgeVariants>['variant']>;
+
+function Badge({ className, variant = 'online', children, ...props }: React.ComponentProps<'span'> & VariantProps<typeof badgeVariants>) {
+	return (
+		<span data-slot="badge" data-variant={variant} className={cn(badgeVariants({ variant }), className)} {...props}>
+			<i aria-hidden="true" />
+			{children}
+		</span>
+	);
+}
+
+export { Badge, badgeVariants, type BadgeVariant };

src/components/ui/input.tsx

@@ -0,0 +1,29 @@
+import * as React from 'react';
+
+import { cn } from '@/lib/utils';
+
+/**
+ * Matches the monitor and authentication form controls so it sits flush next
+ * to a SelectTrigger: 42px tall, 6px radius, and an emerald focus ring.
+ */
+function Input({ className, type, ...props }: React.ComponentProps<'input'>) {
+	return (
+		<input
+			type={type}
+			data-slot="input"
+			className={cn(
+				'flex min-h-10.5 w-full rounded-[6px] border border-[#cfcfcf] bg-white px-3 py-2',
+				'text-[14px] text-(--ink) shadow-[inset_0_1px_2px_rgb(0_0_0/0.025)] transition-colors outline-none',
+				'placeholder:text-(--faint)',
+				'hover:border-[#aaa]',
+				'focus-visible:border-(--primary-deep) focus-visible:shadow-[0_0_0_3px_rgb(36_180_126/0.14)] focus-visible:outline-none!',
+				'disabled:cursor-not-allowed disabled:opacity-50',
+				'aria-invalid:border-destructive aria-invalid:shadow-[0_0_0_3px_rgb(220_98_98/0.14)]',
+				className,
+			)}
+			{...props}
+		/>
+	);
+}
+
+export { Input };

src/components/ui/select.tsx

@@ -0,0 +1,152 @@
+import * as React from 'react';
+import { Select as SelectPrimitive } from 'radix-ui';
+import { CheckIcon, ChevronDownIcon, ChevronUpIcon } from 'lucide-react';
+
+import { cn } from '@/lib/utils';
+
+function Select({ ...props }: React.ComponentProps<typeof SelectPrimitive.Root>) {
+	return <SelectPrimitive.Root data-slot="select" {...props} />;
+}
+
+function SelectGroup({ className, ...props }: React.ComponentProps<typeof SelectPrimitive.Group>) {
+	return <SelectPrimitive.Group data-slot="select-group" className={cn('scroll-my-1', className)} {...props} />;
+}
+
+function SelectValue({ ...props }: React.ComponentProps<typeof SelectPrimitive.Value>) {
+	return <SelectPrimitive.Value data-slot="select-value" {...props} />;
+}
+
+/**
+ * Mirrors the shared Input so both controls sit flush in the same form grid:
+ * 42px tall, 6px radius, and an emerald focus ring.
+ */
+function SelectTrigger({ className, children, ...props }: React.ComponentProps<typeof SelectPrimitive.Trigger>) {
+	return (
+		<SelectPrimitive.Trigger
+			data-slot="select-trigger"
+			className={cn(
+				'group flex min-h-10.5 w-full cursor-pointer items-center justify-between gap-2 rounded-[6px] border border-[#cfcfcf] bg-white px-3 py-2 text-left',
+				'text-[14px] text-(--ink) shadow-[inset_0_1px_2px_rgb(0_0_0/0.025)] transition-colors outline-none data-placeholder:text-(--faint) [&_svg]:shrink-0',
+				'hover:border-[#aaa]',
+				'focus-visible:border-(--primary-deep) focus-visible:shadow-[0_0_0_3px_rgb(36_180_126/0.14)] focus-visible:outline-none!',
+				'data-[state=open]:border-(--primary-deep) data-[state=open]:shadow-[0_0_0_3px_rgb(36_180_126/0.14)]',
+				'disabled:cursor-not-allowed disabled:opacity-50',
+				className,
+			)}
+			{...props}
+		>
+			{children}
+			<SelectPrimitive.Icon asChild>
+				<ChevronDownIcon className="pointer-events-none size-4 text-(--faint) transition-transform group-data-[state=open]:rotate-180" />
+			</SelectPrimitive.Icon>
+		</SelectPrimitive.Trigger>
+	);
+}
+
+/** Level 2 elevation + hairline border, per DESIGN.md "Elevation & Depth". */
+function SelectContent({ className, children, position = 'popper', ...props }: React.ComponentProps<typeof SelectPrimitive.Content>) {
+	return (
+		<SelectPrimitive.Portal>
+			<SelectPrimitive.Content
+				data-slot="select-content"
+				className={cn(
+					'relative z-50 max-h-(--radix-select-content-available-height) min-w-32 origin-(--radix-select-content-transform-origin) overflow-x-hidden overflow-y-auto',
+					'rounded-[8px] border border-(--hairline) bg-white text-(--ink) shadow-[0_8px_24px_rgb(0_0_0/0.08)]',
+					'duration-100 data-open:animate-in data-open:fade-in-0 data-open:zoom-in-95 data-closed:animate-out data-closed:fade-out-0 data-closed:zoom-out-95',
+					'data-[side=bottom]:slide-in-from-top-1 data-[side=top]:slide-in-from-bottom-1',
+					position === 'popper' &&
+						'data-[side=bottom]:translate-y-1 data-[side=left]:-translate-x-1 data-[side=right]:translate-x-1 data-[side=top]:-translate-y-1',
+					className,
+				)}
+				position={position}
+				{...props}
+			>
+				<SelectScrollUpButton />
+				<SelectPrimitive.Viewport className={cn('p-1', position === 'popper' && 'w-full min-w-(--radix-select-trigger-width)')}>
+					{children}
+				</SelectPrimitive.Viewport>
+				<SelectScrollDownButton />
+			</SelectPrimitive.Content>
+		</SelectPrimitive.Portal>
+	);
+}
+
+function SelectLabel({ className, ...props }: React.ComponentProps<typeof SelectPrimitive.Label>) {
+	return (
+		<SelectPrimitive.Label
+			data-slot="select-label"
+			className={cn('px-2 py-1.5 text-[12px] font-medium tracking-wide text-(--muted) uppercase', className)}
+			{...props}
+		/>
+	);
+}
+
+function SelectItem({ className, children, ...props }: React.ComponentProps<typeof SelectPrimitive.Item>) {
+	return (
+		<SelectPrimitive.Item
+			data-slot="select-item"
+			className={cn(
+				'relative flex w-full cursor-pointer items-center gap-2 rounded-lg py-1.5 pr-8 pl-2 text-[14px] text-(--ink) outline-hidden select-none',
+				'focus:bg-[#ededed] data-[state=checked]:font-medium',
+				'data-disabled:pointer-events-none data-disabled:opacity-50',
+				"[&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
+				className,
+			)}
+			{...props}
+		>
+			<SelectPrimitive.ItemText>{children}</SelectPrimitive.ItemText>
+			<span className="pointer-events-none absolute right-2 flex size-4 items-center justify-center text-(--primary-deep)">
+				<SelectPrimitive.ItemIndicator>
+					<CheckIcon />
+				</SelectPrimitive.ItemIndicator>
+			</span>
+		</SelectPrimitive.Item>
+	);
+}
+
+function SelectSeparator({ className, ...props }: React.ComponentProps<typeof SelectPrimitive.Separator>) {
+	return (
+		<SelectPrimitive.Separator
+			data-slot="select-separator"
+			className={cn('pointer-events-none -mx-1 my-1 h-px bg-(--hairline)', className)}
+			{...props}
+		/>
+	);
+}
+
+function SelectScrollUpButton({ className, ...props }: React.ComponentProps<typeof SelectPrimitive.ScrollUpButton>) {
+	return (
+		<SelectPrimitive.ScrollUpButton
+			data-slot="select-scroll-up-button"
+			className={cn('flex cursor-default items-center justify-center py-1 text-(--faint)', className)}
+			{...props}
+		>
+			<ChevronUpIcon className="size-4" />
+		</SelectPrimitive.ScrollUpButton>
+	);
+}
+
+function SelectScrollDownButton({ className, ...props }: React.ComponentProps<typeof SelectPrimitive.ScrollDownButton>) {
+	return (
+		<SelectPrimitive.ScrollDownButton
+			data-slot="select-scroll-down-button"
+			className={cn('flex cursor-default items-center justify-center py-1 text-(--faint)', className)}
+			{...props}
+		>
+			<ChevronDownIcon className="size-4" />
+		</SelectPrimitive.ScrollDownButton>
+	);
+}
+
+export {
+	Select,
+	SelectContent,
+	SelectGroup,
+	SelectItem,
+	SelectLabel,
+	SelectScrollDownButton,
+	SelectScrollUpButton,
+	SelectSeparator,
+	SelectTrigger,
+	SelectValue,
+};

src/components/ui/switch.tsx

@@ -0,0 +1,27 @@
+import * as React from 'react';
+import { Switch as SwitchPrimitive } from 'radix-ui';
+
+import { cn } from '@/lib/utils';
+
+function Switch({ className, ...props }: React.ComponentProps<typeof SwitchPrimitive.Root>) {
+	return (
+		<SwitchPrimitive.Root
+			data-slot="switch"
+			className={cn(
+				'peer inline-flex h-5.5 w-10 shrink-0 cursor-pointer items-center rounded-full border border-transparent bg-[#dfdfdf] p-px transition-colors outline-none',
+				'data-[state=checked]:border-[#35c586] data-[state=checked]:bg-(--primary)',
+				'focus-visible:shadow-[0_0_0_3px_rgb(36_180_126/0.14)] focus-visible:outline-none!',
+				'disabled:cursor-not-allowed disabled:opacity-50',
+				className,
+			)}
+			{...props}
+		>
+			<SwitchPrimitive.Thumb
+				data-slot="switch-thumb"
+				className="pointer-events-none block size-4.5 translate-x-0 rounded-full bg-white shadow-[0_1px_2px_rgb(0_0_0/0.15)] transition-transform data-[state=checked]:translate-x-4.5"
+			/>
+		</SwitchPrimitive.Root>
+	);
+}
+
+export { Switch };