[#000] fix: improve the setting pages

src/client/components/settings/AiActivityPanel.tsx

@@ -19,8 +19,8 @@ export function AiActivityPanel() {
 	const { events, summary } = query.data;
 	const tokenTotal = summary.promptTokens + summary.completionTokens;
 	return (
-		<div className="ai-activity-panel">
-			<div className="ai-activity-stats">
+		<div className="pt-5.5 px-panel-x pb-panel-x">
+			<div className="grid grid-cols-2 md:grid-cols-4 gap-2.5 [&>div]:grid [&>div]:gap-0.75 [&>div]:p-3.5 [&>div]:rounded-card-sm [&>div]:border [&>div]:border-border-panel [&>div]:bg-surface-soft dark:[&>div]:border-white/8 dark:[&>div]:bg-night-subtle dark:[&>div]:shadow-[inset_0_1px_0_rgba(255,255,255,0.03)] [&_strong]:text-subtitle dark:[&_strong]:text-gray-50 [&_span]:text-footnote [&_span]:text-muted-text dark:[&_span]:text-gray-400">
 				<div>
 					<strong>{summary.total ? Math.round((summary.ok / summary.total) * 100) : 0}%</strong>
 					<span>Success rate</span>
@@ -39,14 +39,20 @@ export function AiActivityPanel() {
 				</div>
 			</div>
 			{events.length === 0 ? (
-				<Empty className="channel-empty">
+				<Empty className="py-11 px-6">
 					<EmptyTitle>No AI activity yet</EmptyTitle>
 					<EmptyDescription>Attempts will appear here after AI generation or autopilot runs.</EmptyDescription>
 				</Empty>
 			) : (
-				<div className="ai-activity-history" aria-label="AI activity history">
+				<div
+					className="grid content-start gap-px max-h-activity-max mt-4.5 rounded-md border border-border-panel bg-border-panel overflow-auto overscroll-contain table-scrollbar dark:border-white/8 dark:bg-white/6"
+					aria-label="AI activity history"
+				>
 					{events.map((event) => (
-						<div className="ai-activity-row" key={event.id}>
+						<div
+							className="grid grid-cols-2 md:grid-cols-[100px_minmax(110px,0.8fr)_minmax(145px,1fr)_minmax(130px,1fr)_auto] items-center gap-3 p-2.5 sm:px-3 text-footnote bg-white dark:bg-night-panel dark:hover:bg-night-subtle [&>strong]:font-semibold [&>strong]:capitalize dark:[&>strong]:text-gray-50 [&>span]:text-footnote [&>span]:text-muted-text dark:[&>span]:text-gray-400 [&>small]:text-footnote [&>small]:text-muted-text dark:[&>small]:text-gray-400"
+							key={event.id}
+						>
 							<Badge variant={event.outcome === 'ok' ? 'online' : event.outcome.startsWith('skipped') ? 'pending' : 'offline'}>
 								{event.outcome.replaceAll('_', ' ')}
 							</Badge>

src/client/components/settings/AiIncidentMessagesPanel.tsx

@@ -0,0 +1,165 @@
+import { type FormEvent, useState } from 'react';
+import { Sparkles } from 'lucide-react';
+import { Button } from '@/components/ui/button';
+import { Empty, EmptyTitle } from '@/components/ui/empty';
+import { Input } from '@/components/ui/input';
+import { Switch } from '@/components/ui/switch';
+import type { AiSettings } from '../../api/settings';
+import { useAiSettingsQuery, useTestAiSettingsMutation, useUpdateAiSettingsMutation } from '../../queries/settings';
+
+function AiSettingsForm({ settings }: { settings: AiSettings }) {
+	const [baseUrl, setBaseUrl] = useState(settings.baseUrl ?? 'https://api.openai.com/v1');
+	const [apiKey, setApiKey] = useState('');
+	const [model, setModel] = useState(settings.model ?? 'gpt-4o-mini');
+	const [enabled, setEnabled] = useState(settings.enabled);
+	const [autopilotEnabled, setAutopilotEnabled] = useState(settings.autopilotEnabled);
+	const [followupMinutes, setFollowupMinutes] = useState(settings.autopilotFollowupMinutes);
+	const [maxUpdates, setMaxUpdates] = useState(settings.autopilotMaxUpdates);
+	const [advanceStatus, setAdvanceStatus] = useState(settings.autopilotAdvanceStatus);
+	const [degradedIncidents, setDegradedIncidents] = useState(settings.autopilotDegradedIncidents);
+	const updateMutation = useUpdateAiSettingsMutation();
+	const testMutation = useTestAiSettingsMutation();
+
+	function submit(event: FormEvent) {
+		event.preventDefault();
+		updateMutation.mutate({
+			enabled,
+			baseUrl: baseUrl.trim() || null,
+			model: model.trim() || null,
+			apiKey: apiKey.trim() || null,
+			autopilotEnabled,
+			autopilotFollowupMinutes: followupMinutes,
+			autopilotMaxUpdates: maxUpdates,
+			autopilotAdvanceStatus: advanceStatus,
+			autopilotDegradedIncidents: degradedIncidents,
+		});
+	}
+
+	return (
+		<form className="grid gap-6 p-5 sm:p-panel-x text-item" onSubmit={submit}>
+			<label className="field" htmlFor="ai-base-url">
+				<span>Base URL</span>
+				<Input
+					id="ai-base-url"
+					type="url"
+					value={baseUrl}
+					onChange={(event) => setBaseUrl(event.target.value)}
+					placeholder="https://api.openai.com/v1"
+				/>
+			</label>
+			<label className="field" htmlFor="ai-api-key">
+				<span>API key</span>
+				<Input
+					id="ai-api-key"
+					type="password"
+					autoComplete="off"
+					value={apiKey}
+					onChange={(event) => setApiKey(event.target.value)}
+					placeholder={settings.apiKeyPreview ?? 'Enter API key'}
+				/>
+				{settings.apiKeySet && (
+					<small className="block mt-1.75 text-footnote text-muted-text dark:text-gray-400">Leave blank to keep the current key.</small>
+				)}
+			</label>
+			<label className="field" htmlFor="ai-model">
+				<span>Model</span>
+				<Input id="ai-model" type="text" value={model} onChange={(event) => setModel(event.target.value)} placeholder="gpt-4o-mini" />
+			</label>
+			<div className="flex items-center gap-2.75 [&>label]:cursor-pointer [&_strong]:block [&_strong]:text-caption [&_strong]:font-medium dark:[&_strong]:text-gray-50 [&_small]:block [&_small]:mt-1 [&_small]:text-muted-text dark:[&_small]:text-gray-400">
+				<Switch id="ai-enabled" checked={enabled} onCheckedChange={setEnabled} />
+				<label htmlFor="ai-enabled">
+					<strong>Enable AI incident messages</strong>
+					<small>Generate one sanitized public update when an incident opens.</small>
+				</label>
+			</div>
+			<fieldset className="grid gap-4 my-1 p-5 rounded-lg border border-border-panel bg-surface-fieldset dark:border-white/8 dark:bg-night-subtle [&>legend]:px-1.75 [&>legend]:text-caption [&>legend]:font-semibold dark:[&>legend]:text-gray-50">
+				<legend>Autopilot</legend>
+				<div className="flex items-center gap-2.75 [&>label]:cursor-pointer [&_strong]:block [&_strong]:text-caption [&_strong]:font-medium dark:[&_strong]:text-gray-50 [&_small]:block [&_small]:mt-1 [&_small]:text-muted-text dark:[&_small]:text-gray-400">
+					<Switch id="autopilot-enabled" checked={autopilotEnabled} onCheckedChange={setAutopilotEnabled} />
+					<label htmlFor="autopilot-enabled">
+						<strong>Enable incident autopilot</strong>
+						<small>Write sanitized opening, follow-up, and resolution updates without sending extra alerts.</small>
+					</label>
+				</div>
+				<div className="grid grid-cols-1 sm:grid-cols-2 gap-4">
+					<label className="field" htmlFor="autopilot-cadence">
+						<span>Initial follow-up cadence (minutes)</span>
+						<Input
+							id="autopilot-cadence"
+							type="number"
+							min={5}
+							max={240}
+							value={followupMinutes}
+							onChange={(event) => setFollowupMinutes(Number(event.target.value))}
+						/>
+					</label>
+					<label className="field" htmlFor="autopilot-max-updates">
+						<span>Maximum automatic updates</span>
+						<Input
+							id="autopilot-max-updates"
+							type="number"
+							min={1}
+							max={20}
+							value={maxUpdates}
+							onChange={(event) => setMaxUpdates(Number(event.target.value))}
+						/>
+					</label>
+				</div>
+				<div className="flex items-center gap-2.75 [&>label]:cursor-pointer [&_strong]:block [&_strong]:text-caption [&_strong]:font-medium dark:[&_strong]:text-gray-50 [&_small]:block [&_small]:mt-1 [&_small]:text-muted-text dark:[&_small]:text-gray-400">
+					<Switch id="autopilot-advance-status" checked={advanceStatus} onCheckedChange={setAdvanceStatus} />
+					<label htmlFor="autopilot-advance-status">
+						<strong>Advance incident status</strong>
+						<small>Use objective check patterns to move between investigating, identified, and monitoring.</small>
+					</label>
+				</div>
+				<div className="flex items-center gap-2.75 [&>label]:cursor-pointer [&_strong]:block [&_strong]:text-caption [&_strong]:font-medium dark:[&_strong]:text-gray-50 [&_small]:block [&_small]:mt-1 [&_small]:text-muted-text dark:[&_small]:text-gray-400">
+					<Switch id="autopilot-degraded" checked={degradedIncidents} onCheckedChange={setDegradedIncidents} />
+					<label htmlFor="autopilot-degraded">
+						<strong>Open degraded incidents</strong>
+						<small>Publish performance degradation incidents. Keep disabled to avoid public noise.</small>
+					</label>
+				</div>
+			</fieldset>
+			<div className="flex flex-col-reverse sm:flex-row sm:justify-end items-stretch sm:items-center gap-2.5 pt-5 border-t border-border-row dark:border-t-white/7 [&_svg]:size-3.5">
+				<Button
+					variant="unstyled"
+					className="secondary-button"
+					type="button"
+					onClick={() => testMutation.mutate()}
+					disabled={!settings.apiKeySet || !settings.baseUrl || !settings.model || testMutation.isPending}
+				>
+					<Sparkles /> {testMutation.isPending ? 'Generating…' : 'Test generation'}
+				</Button>
+				<Button variant="unstyled" className="primary-button" type="submit" disabled={updateMutation.isPending}>
+					{updateMutation.isPending ? 'Saving…' : 'Save settings'}
+				</Button>
+			</div>
+			{updateMutation.isSuccess && (
+				<p className="-mt-2 px-3 py-2.5 rounded-md border border-success-banner-border bg-success-banner-bg text-xs text-success-banner-text dark:border-brand/30 dark:bg-brand/10 dark:text-brand-soft">
+					AI settings saved.
+				</p>
+			)}
+			{testMutation.isSuccess && (
+				<p className="-mt-2 px-3 py-2.5 rounded-md border border-success-banner-border bg-success-banner-bg text-xs text-success-banner-text dark:border-brand/30 dark:bg-brand/10 dark:text-brand-soft">
+					{testMutation.data.message}
+				</p>
+			)}
+			{(updateMutation.error || testMutation.error) && (
+				<p className="form-error">{(updateMutation.error ?? testMutation.error)?.message ?? 'Request failed'}</p>
+			)}
+		</form>
+	);
+}
+
+export function AiIncidentMessagesPanel() {
+	const aiSettingsQuery = useAiSettingsQuery();
+	if (aiSettingsQuery.isPending) return <div className="table-empty">Loading settings…</div>;
+	if (aiSettingsQuery.isError) {
+		return (
+			<Empty variant="error" className="m-6">
+				<EmptyTitle>Unable to load AI settings</EmptyTitle>
+			</Empty>
+		);
+	}
+	return <AiSettingsForm key={aiSettingsQuery.data.settings.updatedAt ?? 'new'} settings={aiSettingsQuery.data.settings} />;
+}

src/client/components/settings/MaintenanceWindowDialog.tsx

@@ -115,8 +115,8 @@ export function MaintenanceWindowDialog({ editing, onClose }: { editing: Mainten
 					<DialogTitle>{editing ? `Edit ${editing.name}` : 'Add maintenance window'}</DialogTitle>
 					<DialogDescription>Probes continue, but alerts and uptime calculations pause for selected services.</DialogDescription>
 				</DialogHeader>
-				<form className="maintenance-form" onSubmit={submit}>
-					<label className="field maintenance-name" htmlFor="maintenance-name">
+				<form className="grid grid-cols-2 gap-x-4 gap-y-5 mt-3" onSubmit={submit}>
+					<label className="field col-span-full" htmlFor="maintenance-name">
 						<span>Name</span>
 						<Input
 							id="maintenance-name"
@@ -147,7 +147,7 @@ export function MaintenanceWindowDialog({ editing, onClose }: { editing: Mainten
 							required
 						/>
 					</label>
-					<div className="field maintenance-timezone">
+					<div className="field col-span-full">
 						<span id="maintenance-timezone-label">Timezone</span>
 						<Select value={form.timezone} onValueChange={(timezone) => setForm({ ...form, timezone })}>
 							<SelectTrigger aria-labelledby="maintenance-timezone-label">
@@ -162,40 +162,47 @@ export function MaintenanceWindowDialog({ editing, onClose }: { editing: Mainten
 							</SelectContent>
 						</Select>
 					</div>
-					<fieldset className="maintenance-services">
+					<fieldset className="col-span-full min-w-0 m-0 p-0 border-0 [&>legend]:mb-2 [&>legend]:text-caption [&>legend]:font-medium [&>legend]:text-ink-label dark:[&>legend]:text-night-body">
 						<legend>Services</legend>
 						<DropdownMenuPrimitive.Root>
 							<DropdownMenuPrimitive.Trigger asChild>
 								<button
-									className="maintenance-service-select"
+									className="group flex w-full min-h-10.5 items-center justify-between gap-4 px-3 py-2 rounded-md border border-border-subtle bg-white text-sm text-left text-ink shadow-[inset_0_1px_2px_rgb(0_0_0/0.025)] cursor-pointer transition-[border-color,box-shadow] duration-120 hover:border-border-input-hover focus-visible:outline-none focus-visible:border-primary-deep focus-visible:shadow-[0_0_0_3px_rgb(36_180_126/0.14)] 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-55 dark:border-white/12 dark:bg-night-input dark:text-gray-50 dark:shadow-[inset_0_1px_2px_rgba(0,0,0,0.3)] dark:hover:border-white/22 dark:focus-visible:border-primary-deep dark:focus-visible:shadow-[0_0_0_3px_rgba(62,207,142,0.2)] dark:data-[state=open]:border-primary-deep dark:data-[state=open]:shadow-[0_0_0_3px_rgba(62,207,142,0.2)]"
 									type="button"
 									disabled={monitorsQuery.isPending || monitors.length === 0}
 									aria-label="Select services for this maintenance window"
 								>
-									<span className={selectedMonitors.length === 0 ? 'is-placeholder' : undefined}>
+									<span className={selectedMonitors.length === 0 ? 'text-faint' : undefined}>
 										{monitorsQuery.isPending
 											? 'Loading services…'
 											: monitors.length === 0
 												? 'No services available'
 												: selectedServicesLabel}
 									</span>
-									<span className="maintenance-service-select-meta">
+									<span className="flex items-center gap-2.25 text-faint [&>small]:font-mono [&>small]:text-2xs/[1.3] [&>small]:font-medium [&>small]:whitespace-nowrap [&>svg]:size-4 [&>svg]:transition-transform [&>svg]:duration-120 group-data-[state=open]:rotate-180">
 										{selectedMonitors.length > 0 && <small>{selectedMonitors.length} selected</small>}
 										<ChevronDown aria-hidden="true" />
 									</span>
 								</button>
 							</DropdownMenuPrimitive.Trigger>
 							<DropdownMenuPrimitive.Portal>
-								<DropdownMenuPrimitive.Content className="maintenance-service-menu" sideOffset={5} align="start">
+								<DropdownMenuPrimitive.Content
+									className="z-70 w-(--radix-dropdown-menu-trigger-width) max-h-[min(256px,var(--radix-dropdown-menu-content-available-height))] overflow-y-auto p-1 rounded-lg border border-hairline bg-white shadow-[0_8px_24px_rgb(0_0_0/0.08)] dark:border-white/12 dark:bg-night-card dark:shadow-[0_16px_40px_rgba(0,0,0,0.6)]"
+									sideOffset={5}
+									align="start"
+								>
 									{monitors.map((monitor) => (
 										<DropdownMenuPrimitive.CheckboxItem
 											key={monitor.id}
-											className="maintenance-service-option"
+											className="relative flex items-center gap-2.5 min-h-9 px-2.25 py-1.75 rounded-md text-caption text-ink cursor-pointer outline-none select-none focus:bg-surface-highlight data-highlighted:bg-surface-highlight dark:text-night-body dark:focus:bg-white/6 dark:focus:text-white dark:data-highlighted:bg-white/6 dark:data-highlighted:text-white"
 											checked={form.monitorIds.includes(monitor.id)}
 											onCheckedChange={(checked) => toggleMonitor(monitor.id, checked === true)}
 											onSelect={(event) => event.preventDefault()}
 										>
-											<span className="maintenance-service-check" aria-hidden="true">
+											<span
+												className="grid shrink-0 size-4.25 place-items-center rounded border border-border-control bg-white text-white dark:border-white/20 dark:bg-night-icon in-data-[state=checked]:border-primary-deep in-data-[state=checked]:bg-primary-deep [&>svg]:size-3 [&>svg]:stroke-[2.5]"
+												aria-hidden="true"
+											>
 												<DropdownMenuPrimitive.ItemIndicator>
 													<Check />
 												</DropdownMenuPrimitive.ItemIndicator>
@@ -207,18 +214,22 @@ export function MaintenanceWindowDialog({ editing, onClose }: { editing: Mainten
 							</DropdownMenuPrimitive.Portal>
 						</DropdownMenuPrimitive.Root>
 						{monitors.length === 0 && !monitorsQuery.isPending && (
-							<small className="maintenance-services-empty">Add a monitor before assigning a maintenance window.</small>
+							<small className="block mt-1.75 text-footnote text-muted-text dark:text-gray-400">
+								Add a monitor before assigning a maintenance window.
+							</small>
 						)}
 					</fieldset>
-					<div className="settings-toggle maintenance-enabled">
+					<div className="col-span-full flex items-center gap-2.75 [&>label]:cursor-pointer [&_strong]:block [&_strong]:text-caption [&_strong]:font-medium dark:[&_strong]:text-gray-50 [&_small]:block [&_small]:mt-1 [&_small]:text-muted-text dark:[&_small]:text-gray-400">
 						<Switch id="maintenance-enabled" checked={form.enabled} onCheckedChange={(enabled) => setForm({ ...form, enabled })} />
 						<label htmlFor="maintenance-enabled">
 							<strong>Enable this window</strong>
 							<small>The schedule repeats every day in the selected timezone.</small>
 						</label>
 					</div>
-					<p className="maintenance-helper">Checks run every five minutes. Add a few minutes of padding before and after the backup.</p>
-					<div className="form-actions compact-actions maintenance-actions">
+					<p className="-mt-1.5 col-span-full text-xs leading-normal text-muted-text dark:text-gray-400">
+						Checks run every five minutes. Add a few minutes of padding before and after the backup.
+					</p>
+					<div className="form-actions compact-actions col-span-full">
 						<Button variant="unstyled" className="secondary-button" type="button" onClick={close}>
 							Cancel
 						</Button>

src/client/components/settings/MaintenanceWindowsPanel.tsx

@@ -33,7 +33,7 @@ export function MaintenanceWindowsPanel() {
 
 	return (
 		<>
-			<div className="maintenance-panel-header">
+			<div className="flex flex-col sm:flex-row sm:items-center justify-between gap-5 px-5 sm:px-panel-x py-5 border-b border-border-row dark:border-b-white/7 [&>p]:m-0 [&>p]:text-caption [&>p]:text-muted-text dark:[&>p]:text-gray-400 [&_svg]:size-3.75">
 				<p>Define daily quiet periods for backups or planned service work.</p>
 				<Button variant="unstyled" className="secondary-button" type="button" onClick={() => setDialog({ open: true, editing: null })}>
 					<Plus /> Add window
@@ -46,25 +46,28 @@ export function MaintenanceWindowsPanel() {
 					<EmptyTitle>Unable to load maintenance windows</EmptyTitle>
 				</Empty>
 			) : windowsQuery.data.windows.length === 0 ? (
-				<Empty className="maintenance-empty">
+				<Empty className="py-11 px-6">
 					<EmptyTitle>No maintenance windows</EmptyTitle>
 					<EmptyDescription>Add a recurring window to keep planned downtime out of alerts and uptime.</EmptyDescription>
 				</Empty>
 			) : (
 				<div className="maintenance-window-list">
 					{windowsQuery.data.windows.map((window) => (
-						<article className="maintenance-window-row" key={window.id}>
-							<div className="maintenance-window-main">
-								<div className="maintenance-window-title">
+						<article
+							className="flex flex-col sm:flex-row sm:items-center justify-between gap-6 px-5 sm:px-panel-x py-5.25 border-t border-border-row first:border-t-0 dark:border-t-white/6"
+							key={window.id}
+						>
+							<div className="min-w-0 [&>p]:my-2 [&>p]:font-mono [&>p]:text-xs/relaxed [&>p]:font-medium [&>p]:text-ink-body dark:[&>p]:text-gray-300 [&>p>span]:text-faint dark:[&>p>span]:text-gray-400">
+								<div className="flex items-center gap-2.5 [&>strong]:text-sm [&>strong]:font-semibold dark:[&>strong]:text-gray-50">
 									<strong>{window.name}</strong>
 									{window.active && <Badge variant="maintenance">Active now</Badge>}
-									{!window.enabled && <span className="maintenance-disabled">Disabled</span>}
+									{!window.enabled && <span className="text-footnote text-faint dark:text-gray-400">Disabled</span>}
 								</div>
 								<p>
 									{minutesToTime(window.startMinute)}–{minutesToTime(window.startMinute + window.durationMinutes)}{' '}
 									<span>Daily · {window.timezone}</span>
 								</p>
-								<div className="maintenance-window-services">
+								<div className="flex flex-wrap gap-1.5 [&>span]:px-1.75 [&>span]:py-1 [&>span]:rounded-badge [&>span]:border [&>span]:border-border-subtle [&>span]:bg-surface-soft [&>span]:text-footnote [&>span]:not-italic [&>span]:text-muted-text dark:[&>span]:border-white/8 dark:[&>span]:bg-night-icon dark:[&>span]:text-gray-400 [&>em]:text-footnote [&>em]:not-italic [&>em]:text-faint dark:[&>em]:text-gray-400">
 									{window.monitorIds.length ? (
 										window.monitorIds.map((id) => <span key={id}>{monitorNames.get(id) ?? `Service ${id}`}</span>)
 									) : (
@@ -72,7 +75,7 @@ export function MaintenanceWindowsPanel() {
 									)}
 								</div>
 							</div>
-							<div className="maintenance-window-actions">
+							<div className="flex shrink-0 self-end sm:self-auto -mt-12 sm:mt-0 gap-1.5 [&_svg]:size-3.75">
 								<Button
 									variant="unstyled"
 									className="icon-button"
@@ -84,7 +87,7 @@ export function MaintenanceWindowsPanel() {
 								</Button>
 								<Button
 									variant="unstyled"
-									className="icon-button danger-icon-button"
+									className="icon-button text-danger-icon dark:text-red-400 dark:hover:not(:disabled):border-red-500/35 dark:hover:not(:disabled):text-red-300 dark:hover:not(:disabled):bg-red-500/12"
 									type="button"
 									aria-label={`Delete ${window.name}`}
 									onClick={() => setDeleting(window)}

src/client/components/settings/NotificationChannelDialog.tsx

@@ -68,13 +68,16 @@ export function NotificationChannelDialog({ editing, onClose }: { editing: Notif
 
 	return (
 		<Dialog open onOpenChange={(open) => !open && !mutation.isPending && onClose()}>
-			<DialogContent className="channel-dialog">
-				<DialogHeader className="channel-dialog-header">
+			<DialogContent className="flex flex-col gap-0 w-[calc(100vw-20px)] sm:w-[min(var(--spacing-dialog-channel),calc(100vw-32px))] max-w-dialog-channel max-h-[calc(100dvh-20px)] sm:max-h-[min(90dvh,760px)] overflow-hidden p-0 rounded-card sm:rounded-xl shadow-[0_24px_70px_rgb(22_62_45/0.15),0_4px_16px_rgb(0_0_0/0.07)] dark:border dark:border-white/10 dark:bg-night-card dark:shadow-[0_24px_64px_-12px_rgba(0,0,0,0.85),0_0_0_1px_rgba(255,255,255,0.06)] *:data-[slot=dialog-close]:top-4 sm:*:data-[slot=dialog-close]:top-4.75 *:data-[slot=dialog-close]:right-3.5 sm:*:data-[slot=dialog-close]:right-5">
+				<DialogHeader className="relative shrink-0 gap-1.25 pt-5.25 pr-13.5 pb-4.5 pl-5 sm:pt-6 sm:pr-16 sm:pb-5 sm:pl-panel-x border-b border-border-dialog-header bg-linear-to-b from-white to-surface-dialog-header dark:border-b-white/8 dark:bg-night-subtle [&_.overline]:mb-1 **:data-[slot=dialog-title]:text-xl **:data-[slot=dialog-title]:leading-tight **:data-[slot=dialog-title]:tracking-dialog-title **:data-[slot=dialog-description]:text-caption **:data-[slot=dialog-description]:leading-normal">
 					<p className="overline">Alert destination</p>
 					<DialogTitle>{editing ? `Edit ${editing.name}` : 'Add notification channel'}</DialogTitle>
 					<DialogDescription>Send incident activity to a team tool or custom integration.</DialogDescription>
 				</DialogHeader>
-				<form className="channel-form" onSubmit={submit}>
+				<form
+					className="grid grid-cols-1 sm:grid-cols-2 gap-x-4 gap-y-4.25 min-h-0 m-0 pt-4.5 px-5 sm:pt-5 sm:px-panel-x pb-0 overflow-y-auto overscroll-contain dialog-scrollbar [&_.field]:gap-1.5 [&_.field]:min-w-0"
+					onSubmit={submit}
+				>
 					<label className="field" htmlFor="channel-name">
 						<span>Name</span>
 						<Input
@@ -126,7 +129,7 @@ export function NotificationChannelDialog({ editing, onClose }: { editing: Notif
 							</label>
 						</>
 					) : (
-						<label className="field channel-endpoint-field" htmlFor="channel-url">
+						<label className="field sm:col-span-2" htmlFor="channel-url">
 							<span>{form.type === 'webhook' ? 'Webhook URL' : `${form.type === 'slack' ? 'Slack' : 'Discord'} webhook URL`}</span>
 							<Input
 								id="channel-url"
@@ -138,35 +141,42 @@ export function NotificationChannelDialog({ editing, onClose }: { editing: Notif
 							/>
 						</label>
 					)}
-					<fieldset className="maintenance-services channel-services">
+					<fieldset className="sm:col-span-2 block min-w-0 m-0 p-0 border-0 pt-4.5 border-t border-border-section dark:border-t-white/8 [&>legend]:float-left [&>legend]:mb-1.75 [&>legend]:text-caption [&>legend]:font-medium [&>legend]:text-ink-label dark:[&>legend]:text-night-body">
 						<legend>Services</legend>
 						<DropdownMenuPrimitive.Root>
 							<DropdownMenuPrimitive.Trigger asChild>
-								<button className="maintenance-service-select" type="button">
-									<span className={selected.length === 0 ? 'is-placeholder' : undefined}>
+								<button
+									className="group clear-both flex w-full min-h-10.5 items-center justify-between gap-4 px-3 py-2 rounded-md border border-border-subtle bg-white text-sm text-left text-ink shadow-[inset_0_1px_2px_rgb(0_0_0/0.025)] cursor-pointer transition-[border-color,box-shadow] duration-120 hover:border-border-input-hover focus-visible:outline-none focus-visible:border-primary-deep focus-visible:shadow-[0_0_0_3px_rgb(36_180_126/0.14)] 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-55 dark:border-white/12 dark:bg-night-input dark:text-gray-50 dark:shadow-[inset_0_1px_2px_rgba(0,0,0,0.3)] dark:hover:border-white/22 dark:focus-visible:border-primary-deep dark:focus-visible:shadow-[0_0_0_3px_rgba(62,207,142,0.2)] dark:data-[state=open]:border-primary-deep dark:data-[state=open]:shadow-[0_0_0_3px_rgba(62,207,142,0.2)]"
+									type="button"
+								>
+									<span className={selected.length === 0 ? 'text-faint' : undefined}>
 										{selected.length === 0
 											? 'All services'
 											: selected.length === 1
 												? selected[0].name
 												: `${selected[0].name} +${selected.length - 1} more`}
 									</span>
-									<span className="maintenance-service-select-meta">
+									<span className="flex items-center gap-2.25 text-faint [&>small]:font-mono [&>small]:text-2xs/[1.3] [&>small]:font-medium [&>small]:whitespace-nowrap [&>svg]:size-4 [&>svg]:transition-transform [&>svg]:duration-120 group-data-[state=open]:rotate-180">
 										<small>{selected.length || 'Any'}</small>
 										<ChevronDown />
 									</span>
 								</button>
 							</DropdownMenuPrimitive.Trigger>
 							<DropdownMenuPrimitive.Portal>
-								<DropdownMenuPrimitive.Content className="maintenance-service-menu" sideOffset={5} align="start">
+								<DropdownMenuPrimitive.Content
+									className="z-70 w-(--radix-dropdown-menu-trigger-width) max-h-[min(256px,var(--radix-dropdown-menu-content-available-height))] overflow-y-auto p-1 rounded-lg border border-hairline bg-white shadow-[0_8px_24px_rgb(0_0_0/0.08)] dark:border-white/12 dark:bg-night-card dark:shadow-[0_16px_40px_rgba(0,0,0,0.6)]"
+									sideOffset={5}
+									align="start"
+								>
 									{monitors.map((monitor) => (
 										<DropdownMenuPrimitive.CheckboxItem
 											key={monitor.id}
-											className="maintenance-service-option"
+											className="relative flex items-center gap-2.5 min-h-9 px-2.25 py-1.75 rounded-md text-caption text-ink cursor-pointer outline-none select-none focus:bg-surface-highlight data-highlighted:bg-surface-highlight dark:text-night-body dark:focus:bg-white/6 dark:focus:text-white dark:data-highlighted:bg-white/6 dark:data-highlighted:text-white"
 											checked={form.monitorIds.includes(monitor.id)}
 											onCheckedChange={(checked) => toggleMonitor(monitor.id, checked === true)}
 											onSelect={(event) => event.preventDefault()}
 										>
-											<span className="maintenance-service-check">
+											<span className="grid shrink-0 size-4.25 place-items-center rounded border border-border-control bg-white text-white dark:border-white/20 dark:bg-night-icon in-data-[state=checked]:border-primary-deep in-data-[state=checked]:bg-primary-deep [&>svg]:size-3 [&>svg]:stroke-[2.5]">
 												<DropdownMenuPrimitive.ItemIndicator>
 													<Check />
 												</DropdownMenuPrimitive.ItemIndicator>
@@ -177,16 +187,18 @@ export function NotificationChannelDialog({ editing, onClose }: { editing: Notif
 								</DropdownMenuPrimitive.Content>
 							</DropdownMenuPrimitive.Portal>
 						</DropdownMenuPrimitive.Root>
-						<small className="field-helper">Leave empty to notify for every service.</small>
+						<small className="block mt-1.5 text-footnote text-muted-text dark:text-gray-400">
+							Leave empty to notify for every service.
+						</small>
 					</fieldset>
-					<div className="settings-toggle channel-toggle-option">
+					<div className="flex items-start gap-2.75 min-w-0 p-3.5 rounded-lg border border-border-option bg-surface-option transition-colors duration-160 hover:border-border-option-hover hover:bg-surface-option-hover dark:border-white/8 dark:bg-night-subtle dark:hover:border-white/18 dark:hover:bg-night-option-hover **:[[role=switch]]:mt-px [&>label]:min-w-0 [&>label]:cursor-pointer [&_strong]:block [&_strong]:text-caption [&_strong]:font-medium dark:[&_strong]:text-gray-50 [&_small]:block [&_small]:mt-1 [&_small]:text-footnote [&_small]:leading-alert [&_small]:text-muted-text dark:[&_small]:text-gray-400">
 						<Switch id="channel-enabled" checked={form.enabled} onCheckedChange={(enabled) => setForm({ ...form, enabled })} />
 						<label htmlFor="channel-enabled">
 							<strong>Enable channel</strong>
 							<small>Allow automated downtime and recovery alerts.</small>
 						</label>
 					</div>
-					<div className="settings-toggle channel-toggle-option">
+					<div className="flex items-start gap-2.75 min-w-0 p-3.5 rounded-lg border border-border-option bg-surface-option transition-colors duration-160 hover:border-border-option-hover hover:bg-surface-option-hover dark:border-white/8 dark:bg-night-subtle dark:hover:border-white/18 dark:hover:bg-night-option-hover **:[[role=switch]]:mt-px [&>label]:min-w-0 [&>label]:cursor-pointer [&_strong]:block [&_strong]:text-caption [&_strong]:font-medium dark:[&_strong]:text-gray-50 [&_small]:block [&_small]:mt-1 [&_small]:text-footnote [&_small]:leading-alert [&_small]:text-muted-text dark:[&_small]:text-gray-400">
 						<Switch
 							id="channel-manual"
 							checked={form.notifyManual}
@@ -198,12 +210,12 @@ export function NotificationChannelDialog({ editing, onClose }: { editing: Notif
 						</label>
 					</div>
 					{form.type === 'webhook' && (
-						<div className="channel-payload-preview">
+						<div className="sm:col-span-2 p-3 rounded-md border border-border-card bg-surface-soft dark:border-white/8 dark:bg-night-subtle [&>span]:block [&>span]:mb-1.75 [&>span]:text-xs [&>span]:font-semibold dark:[&>span]:text-gray-50 [&>pre]:m-0 [&>pre]:overflow-x-auto [&>pre]:text-footnote [&>pre]:text-muted-text dark:[&>pre]:text-gray-400">
 							<span>Raw payload</span>
 							<pre>{`{ "event": "down", "monitor": { … }, "statusCode": 500, "error": "…", "at": "…" }`}</pre>
 						</div>
 					)}
-					<div className="form-actions compact-actions channel-dialog-footer">
+					<div className="form-actions compact-actions sm:col-span-2 sticky bottom-0 z-2 flex justify-end gap-2.25 w-auto -mx-5 sm:-mx-panel-x mt-0.75 px-5 py-3.5 sm:px-panel-x sm:py-3.75 border-t border-border-dialog-footer bg-surface-dialog-footer/97 backdrop-blur-md dark:border-t-white/8 dark:bg-night-card/97 [&_button]:flex-1 sm:[&_button]:flex-initial [&_.primary-button]:min-h-9.5 [&_.primary-button]:px-3.75 [&_.primary-button]:py-1.75 [&_.secondary-button]:min-h-9.5 [&_.secondary-button]:px-3.75 [&_.secondary-button]:py-1.75">
 						<Button variant="unstyled" className="secondary-button" type="button" onClick={onClose}>
 							Cancel
 						</Button>
@@ -212,7 +224,7 @@ export function NotificationChannelDialog({ editing, onClose }: { editing: Notif
 						</Button>
 					</div>
 					{mutation.isError && (
-						<p className="form-error" role="alert">
+						<p className="form-error sm:col-span-2" role="alert">
 							{mutation.error.message}
 						</p>
 					)}

src/client/components/settings/NotificationChannelsPanel.tsx

@@ -25,13 +25,21 @@ import { NotificationChannelDialog } from './NotificationChannelDialog';
 
 function DeliveryHistory({ channel }: { channel: NotificationChannel }) {
 	const deliveriesQuery = useNotificationDeliveriesQuery(channel.id);
-	if (deliveriesQuery.isPending) return <div className="channel-history-state">Loading delivery history…</div>;
-	if (deliveriesQuery.isError) return <div className="channel-history-state form-error">Unable to load delivery history.</div>;
-	if (deliveriesQuery.data.deliveries.length === 0) return <div className="channel-history-state">No deliveries recorded yet.</div>;
+	if (deliveriesQuery.isPending)
+		return <div className="w-full mt-4 text-xs text-muted-text dark:text-gray-400">Loading delivery history…</div>;
+	if (deliveriesQuery.isError) return <div className="w-full mt-4 text-xs form-error">Unable to load delivery history.</div>;
+	if (deliveriesQuery.data.deliveries.length === 0)
+		return <div className="w-full mt-4 text-xs text-muted-text dark:text-gray-400">No deliveries recorded yet.</div>;
 	return (
-		<div className="channel-history" aria-label={`${channel.name} delivery history`}>
+		<div
+			className="grid content-start w-full max-h-history-max gap-px mt-4.5 rounded-md border border-border-panel bg-border-panel overflow-auto overscroll-contain table-scrollbar dark:border-white/8 dark:bg-white/6"
+			aria-label={`${channel.name} delivery history`}
+		>
 			{deliveriesQuery.data.deliveries.map((delivery) => (
-				<div className="channel-history-row" key={delivery.id}>
+				<div
+					className="grid grid-cols-[78px_minmax(100px,0.8fr)_minmax(145px,1fr)_minmax(120px,1fr)_auto] items-center gap-3 p-2.5 sm:px-3 text-footnote bg-white min-w-table-min dark:bg-night-panel dark:hover:bg-night-subtle [&>strong]:font-semibold [&>strong]:capitalize dark:[&>strong]:text-gray-50 [&>span]:text-muted-text dark:[&>span]:text-gray-400 [&>small]:text-muted-text dark:[&>small]:text-gray-400"
+					key={delivery.id}
+				>
 					<Badge variant={delivery.ok ? 'online' : 'offline'}>{delivery.ok ? 'Delivered' : 'Failed'}</Badge>
 					<strong>{delivery.event.replaceAll('_', ' ')}</strong>
 					<span>{new Date(delivery.createdAt).toLocaleString()}</span>
@@ -57,7 +65,7 @@ export function NotificationChannelsPanel() {
 
 	return (
 		<>
-			<div className="channel-panel-header">
+			<div className="flex flex-col sm:flex-row sm:items-center justify-between gap-5 px-5 sm:px-panel-x py-5 border-b border-border-row dark:border-b-white/7 [&>p]:m-0 [&>p]:text-caption [&>p]:text-muted-text dark:[&>p]:text-gray-400 [&_svg]:size-3.75">
 				<p>Route automatic and manual incident activity to the right team.</p>
 				<Button variant="unstyled" className="secondary-button" type="button" onClick={() => setDialog({ open: true, editing: null })}>
 					<Plus /> Add channel
@@ -70,22 +78,25 @@ export function NotificationChannelsPanel() {
 					<EmptyTitle>Unable to load notification channels</EmptyTitle>
 				</Empty>
 			) : channelsQuery.data.channels.length === 0 ? (
-				<Empty className="channel-empty">
+				<Empty className="py-11 px-6">
 					<EmptyTitle>No notification channels</EmptyTitle>
 					<EmptyDescription>Add Slack, Discord, Telegram, or a raw webhook destination.</EmptyDescription>
 				</Empty>
 			) : (
 				<div className="channel-list">
 					{channelsQuery.data.channels.map((channel) => (
-						<article className="channel-row" key={channel.id}>
-							<div className="channel-row-summary">
-								<div className="channel-main">
-									<div className="channel-title">
+						<article
+							className="flex flex-col px-5 sm:px-panel-x py-5.25 border-t border-border-row first:border-t-0 dark:border-t-white/6"
+							key={channel.id}
+						>
+							<div className="flex flex-col sm:flex-row w-full sm:items-center justify-between gap-6">
+								<div className="min-w-0">
+									<div className="flex items-center flex-wrap gap-2 [&>strong]:text-sm [&>strong]:font-semibold dark:[&>strong]:text-gray-50">
 										<strong>{channel.name}</strong>
 										<Badge variant="maintenance">{channel.type}</Badge>
-										{!channel.enabled && <span className="maintenance-disabled">Disabled</span>}
+										{!channel.enabled && <span className="text-footnote text-faint dark:text-gray-400">Disabled</span>}
 									</div>
-									<div className="channel-delivery">
+									<div className="flex items-center flex-wrap gap-2 my-2 text-footnote text-faint dark:text-gray-400">
 										{channel.lastDelivery ? (
 											<Badge variant={channel.lastDelivery.ok ? 'online' : 'offline'}>
 												{channel.lastDelivery.ok ? 'Delivered' : 'Failed'}
@@ -99,7 +110,7 @@ export function NotificationChannelsPanel() {
 											</span>
 										)}
 									</div>
-									<div className="channel-services">
+									<div className="flex items-center flex-wrap gap-2 [&>span]:px-1.75 [&>span]:py-1 [&>span]:rounded-badge [&>span]:border [&>span]:border-border-subtle [&>span]:bg-surface-soft [&>span]:text-footnote [&>span]:text-muted-text dark:[&>span]:border-white/8 dark:[&>span]:bg-night-icon dark:[&>span]:text-gray-400 [&>em]:px-1.75 [&>em]:py-1 [&>em]:rounded-badge [&>em]:border [&>em]:border-border-subtle [&>em]:bg-surface-soft [&>em]:text-footnote [&>em]:not-italic [&>em]:text-muted-text dark:[&>em]:border-white/8 dark:[&>em]:bg-night-icon dark:[&>em]:text-gray-400">
 										{channel.monitorIds.length === 0 ? (
 											<em>All services</em>
 										) : (
@@ -107,10 +118,10 @@ export function NotificationChannelsPanel() {
 										)}
 									</div>
 								</div>
-								<div className="channel-actions">
+								<div className="flex items-center flex-wrap gap-2 shrink-0 self-stretch sm:self-auto [&_svg]:size-3.75">
 									<Button
 										variant="unstyled"
-										className="secondary-button compact-button"
+										className="secondary-button min-h-8.5 px-2.5 py-1.75"
 										type="button"
 										disabled={testMutation.isPending}
 										onClick={() => testMutation.mutate(channel.id)}
@@ -119,7 +130,7 @@ export function NotificationChannelsPanel() {
 									</Button>
 									<Button
 										variant="unstyled"
-										className="secondary-button compact-button"
+										className="secondary-button min-h-8.5 px-2.5 py-1.75"
 										type="button"
 										aria-expanded={historyId === channel.id}
 										onClick={() => setHistoryId((current) => (current === channel.id ? null : channel.id))}
@@ -137,7 +148,7 @@ export function NotificationChannelsPanel() {
 									</Button>
 									<Button
 										variant="unstyled"
-										className="icon-button danger-icon-button"
+										className="icon-button text-danger-icon dark:text-red-400 dark:hover:not(:disabled):border-red-500/35 dark:hover:not(:disabled):text-red-300 dark:hover:not(:disabled):bg-red-500/12"
 										type="button"
 										aria-label={`Delete ${channel.name}`}
 										onClick={() => setDeleting(channel)}
@@ -151,8 +162,12 @@ export function NotificationChannelsPanel() {
 					))}
 				</div>
 			)}
-			{testMutation.isError && <p className="form-error channel-feedback">{testMutation.error.message}</p>}
-			{testMutation.isSuccess && <p className="settings-success channel-feedback">Test notification delivered.</p>}
+			{testMutation.isError && <p className="form-error mx-panel-x mb-5 dark:text-red-400">{testMutation.error.message}</p>}
+			{testMutation.isSuccess && (
+				<p className="-mt-2 px-3 py-2.5 rounded-md border border-success-banner-border bg-success-banner-bg text-xs text-success-banner-text dark:border-brand/30 dark:bg-brand/10 dark:text-brand-soft mx-panel-x mb-5">
+					Test notification delivered.
+				</p>
+			)}
 			{dialog.open && <NotificationChannelDialog editing={dialog.editing} onClose={() => setDialog({ open: false, editing: null })} />}
 			<AlertDialog open={deleting !== null} onOpenChange={(open) => !open && !deleteMutation.isPending && setDeleting(null)}>
 				<AlertDialogContent>

src/client/pages/SettingsPage.tsx

@@ -1,234 +1,99 @@
-import { type FormEvent, useState } from 'react';
 import { Activity, ArrowLeft, BellRing, Sparkles, Wrench } from 'lucide-react';
 import { Button } from '@/components/ui/button';
 import { Card } from '@/components/ui/card';
-import { Empty, EmptyTitle } from '@/components/ui/empty';
-import { Input } from '@/components/ui/input';
-import { Switch } from '@/components/ui/switch';
-import type { AiSettings } from '../api/settings';
+import { Tabs, TabsContent, TabsList, TabsTrigger } from '@/components/ui/tabs';
 import { AppHeader } from '../components/AppHeader';
 import { AiActivityPanel } from '../components/settings/AiActivityPanel';
+import { AiIncidentMessagesPanel } from '../components/settings/AiIncidentMessagesPanel';
 import { MaintenanceWindowsPanel } from '../components/settings/MaintenanceWindowsPanel';
 import { NotificationChannelsPanel } from '../components/settings/NotificationChannelsPanel';
 import { navigate } from '../lib/router';
 import { useSeo } from '../lib/seo';
-import { useAiSettingsQuery, useTestAiSettingsMutation, useUpdateAiSettingsMutation } from '../queries/settings';
 
-function AiSettingsForm({ settings }: { settings: AiSettings }) {
-	const [baseUrl, setBaseUrl] = useState(settings.baseUrl ?? 'https://api.openai.com/v1');
-	const [apiKey, setApiKey] = useState('');
-	const [model, setModel] = useState(settings.model ?? 'gpt-4o-mini');
-	const [enabled, setEnabled] = useState(settings.enabled);
-	const [autopilotEnabled, setAutopilotEnabled] = useState(settings.autopilotEnabled);
-	const [followupMinutes, setFollowupMinutes] = useState(settings.autopilotFollowupMinutes);
-	const [maxUpdates, setMaxUpdates] = useState(settings.autopilotMaxUpdates);
-	const [advanceStatus, setAdvanceStatus] = useState(settings.autopilotAdvanceStatus);
-	const [degradedIncidents, setDegradedIncidents] = useState(settings.autopilotDegradedIncidents);
-	const updateMutation = useUpdateAiSettingsMutation();
-	const testMutation = useTestAiSettingsMutation();
-
-	function submit(event: FormEvent) {
-		event.preventDefault();
-		updateMutation.mutate({
-			enabled,
-			baseUrl: baseUrl.trim() || null,
-			model: model.trim() || null,
-			apiKey: apiKey.trim() || null,
-			autopilotEnabled,
-			autopilotFollowupMinutes: followupMinutes,
-			autopilotMaxUpdates: maxUpdates,
-			autopilotAdvanceStatus: advanceStatus,
-			autopilotDegradedIncidents: degradedIncidents,
-		});
-	}
-
-	return (
-		<form className="settings-form" onSubmit={submit}>
-			<label className="field" htmlFor="ai-base-url">
-				<span>Base URL</span>
-				<Input
-					id="ai-base-url"
-					type="url"
-					value={baseUrl}
-					onChange={(event) => setBaseUrl(event.target.value)}
-					placeholder="https://api.openai.com/v1"
-				/>
-			</label>
-			<label className="field" htmlFor="ai-api-key">
-				<span>API key</span>
-				<Input
-					id="ai-api-key"
-					type="password"
-					autoComplete="off"
-					value={apiKey}
-					onChange={(event) => setApiKey(event.target.value)}
-					placeholder={settings.apiKeyPreview ?? 'Enter API key'}
-				/>
-				{settings.apiKeySet && <small className="field-helper">Leave blank to keep the current key.</small>}
-			</label>
-			<label className="field" htmlFor="ai-model">
-				<span>Model</span>
-				<Input id="ai-model" type="text" value={model} onChange={(event) => setModel(event.target.value)} placeholder="gpt-4o-mini" />
-			</label>
-			<div className="settings-toggle">
-				<Switch id="ai-enabled" checked={enabled} onCheckedChange={setEnabled} />
-				<label htmlFor="ai-enabled">
-					<strong>Enable AI incident messages</strong>
-					<small>Generate one sanitized public update when an incident opens.</small>
-				</label>
-			</div>
-			<fieldset className="autopilot-settings">
-				<legend>Autopilot</legend>
-				<div className="settings-toggle">
-					<Switch id="autopilot-enabled" checked={autopilotEnabled} onCheckedChange={setAutopilotEnabled} />
-					<label htmlFor="autopilot-enabled">
-						<strong>Enable incident autopilot</strong>
-						<small>Write sanitized opening, follow-up, and resolution updates without sending extra alerts.</small>
-					</label>
-				</div>
-				<div className="autopilot-number-fields">
-					<label className="field" htmlFor="autopilot-cadence">
-						<span>Initial follow-up cadence (minutes)</span>
-						<Input
-							id="autopilot-cadence"
-							type="number"
-							min={5}
-							max={240}
-							value={followupMinutes}
-							onChange={(event) => setFollowupMinutes(Number(event.target.value))}
-						/>
-					</label>
-					<label className="field" htmlFor="autopilot-max-updates">
-						<span>Maximum automatic updates</span>
-						<Input
-							id="autopilot-max-updates"
-							type="number"
-							min={1}
-							max={20}
-							value={maxUpdates}
-							onChange={(event) => setMaxUpdates(Number(event.target.value))}
-						/>
-					</label>
-				</div>
-				<div className="settings-toggle">
-					<Switch id="autopilot-advance-status" checked={advanceStatus} onCheckedChange={setAdvanceStatus} />
-					<label htmlFor="autopilot-advance-status">
-						<strong>Advance incident status</strong>
-						<small>Use objective check patterns to move between investigating, identified, and monitoring.</small>
-					</label>
-				</div>
-				<div className="settings-toggle">
-					<Switch id="autopilot-degraded" checked={degradedIncidents} onCheckedChange={setDegradedIncidents} />
-					<label htmlFor="autopilot-degraded">
-						<strong>Open degraded incidents</strong>
-						<small>Publish performance degradation incidents. Keep disabled to avoid public noise.</small>
-					</label>
-				</div>
-			</fieldset>
-			<div className="settings-actions">
-				<Button
-					variant="unstyled"
-					className="secondary-button"
-					type="button"
-					onClick={() => testMutation.mutate()}
-					disabled={!settings.apiKeySet || !settings.baseUrl || !settings.model || testMutation.isPending}
-				>
-					<Sparkles /> {testMutation.isPending ? 'Generating…' : 'Test generation'}
-				</Button>
-				<Button variant="unstyled" className="primary-button" type="submit" disabled={updateMutation.isPending}>
-					{updateMutation.isPending ? 'Saving…' : 'Save settings'}
-				</Button>
-			</div>
-			{updateMutation.isSuccess && <p className="settings-success">AI settings saved.</p>}
-			{testMutation.isSuccess && <p className="settings-success">{testMutation.data.message}</p>}
-			{(updateMutation.isError || testMutation.isError) && (
-				<p className="form-error">{(updateMutation.error ?? testMutation.error)?.message ?? 'Request failed'}</p>
-			)}
-		</form>
-	);
-}
+const SECTIONS = [
+	{
+		id: 'ai-activity',
+		label: 'AI activity',
+		icon: Activity,
+		description: 'Audit model calls, sanitizer rejections, latency, and token usage from the last seven days.',
+		Panel: AiActivityPanel,
+	},
+	{
+		id: 'notifications',
+		label: 'Notification channels',
+		icon: BellRing,
+		description: 'Route incidents to Slack, Discord, Telegram, or existing webhook integrations, with delivery history.',
+		Panel: NotificationChannelsPanel,
+	},
+	{
+		id: 'ai-messages',
+		label: 'AI incident messages',
+		icon: Sparkles,
+		description: 'Turn technical check failures into short, sanitized updates for visitors. Generation runs only when an incident opens.',
+		Panel: AiIncidentMessagesPanel,
+	},
+	{
+		id: 'maintenance',
+		label: 'Maintenance windows',
+		icon: Wrench,
+		description: 'Keep probing during planned work while suppressing alerts and excluding those checks from uptime.',
+		Panel: MaintenanceWindowsPanel,
+	},
+] as const;
 
 export function SettingsPage() {
-	const aiSettingsQuery = useAiSettingsQuery();
 	useSeo({ title: 'Settings — upwatch', noindex: true });
 	return (
 		<div className="dashboard-shell">
 			<AppHeader context="Settings" />
-			<main className="settings-main">
+			<main className="dashboard-main pt-8.5 pb-20">
 				<Button variant="unstyled" className="back-link" type="button" onClick={() => navigate('/dashboard')}>
 					<ArrowLeft /> Dashboard
 				</Button>
-				<section className="settings-heading">
+				<section className="mt-10.5">
 					<p className="overline">Integrations</p>
-					<h1>Notifications, AI &amp; maintenance</h1>
-					<p>Configure incident alerts, visitor-friendly updates, and planned downtime from one place.</p>
+					<h1 className="m-0 text-display-sm sm:text-display font-medium tracking-display dark:text-gray-50">
+						Notifications, AI &amp; maintenance
+					</h1>
+					<p className="mt-3 text-subtitle leading-subtitle text-muted-text dark:text-gray-400">
+						Configure incident alerts, visitor-friendly updates, and planned downtime from one place.
+					</p>
 				</section>
-				<Card asChild>
-					<section className="settings-card">
-						<div className="settings-card-intro">
-							<span>
-								<Activity />
-							</span>
-							<div>
-								<h2>AI activity</h2>
-								<p>Audit model calls, sanitizer rejections, latency, and token usage from the last seven days.</p>
-							</div>
-						</div>
-						<AiActivityPanel />
-					</section>
-				</Card>
-				<Card asChild>
-					<section className="settings-card">
-						<div className="settings-card-intro">
-							<span>
-								<BellRing />
-							</span>
-							<div>
-								<h2>Notification channels</h2>
-								<p>Route incidents to Slack, Discord, Telegram, or existing webhook integrations, with delivery history.</p>
-							</div>
-						</div>
-						<NotificationChannelsPanel />
-					</section>
-				</Card>
-				<Card asChild>
-					<section className="settings-card">
-						<div className="settings-card-intro">
-							<span>
-								<Sparkles />
-							</span>
-							<div>
-								<h2>AI incident messages</h2>
-								<p>
-									Turn technical check failures into short, sanitized updates for visitors. Generation runs only when an incident opens.
-								</p>
-							</div>
-						</div>
-						{aiSettingsQuery.isPending ? (
-							<div className="table-empty">Loading settings…</div>
-						) : aiSettingsQuery.isError ? (
-							<Empty variant="error" className="m-6">
-								<EmptyTitle>Unable to load AI settings</EmptyTitle>
-							</Empty>
-						) : (
-							<AiSettingsForm key={aiSettingsQuery.data.settings.updatedAt ?? 'new'} settings={aiSettingsQuery.data.settings} />
-						)}
-					</section>
-				</Card>
-				<Card asChild>
-					<section className="settings-card maintenance-settings-card">
-						<div className="settings-card-intro">
-							<span>
-								<Wrench />
-							</span>
-							<div>
-								<h2>Maintenance windows</h2>
-								<p>Keep probing during planned work while suppressing alerts and excluding those checks from uptime.</p>
-							</div>
-						</div>
-						<MaintenanceWindowsPanel />
-					</section>
-				</Card>
+				<Tabs defaultValue={SECTIONS[0].id} className="mt-9.5">
+					<TabsList aria-label="Settings sections">
+						{SECTIONS.map((section) => {
+							const Icon = section.icon;
+							return (
+								<TabsTrigger key={section.id} value={section.id}>
+									<Icon aria-hidden="true" />
+									{section.label}
+								</TabsTrigger>
+							);
+						})}
+					</TabsList>
+					{SECTIONS.map((section) => {
+						const Icon = section.icon;
+						const Panel = section.Panel;
+						return (
+							<TabsContent key={section.id} value={section.id}>
+								<Card asChild>
+									<section className="overflow-hidden rounded-card border border-border-subtle bg-white shadow-[0_8px_24px_rgb(0_0_0/0.035)] dark:border-white/8 dark:bg-night-panel dark:shadow-[0_16px_40px_rgba(0,0,0,0.35)]">
+										<div className="flex gap-4 p-5 sm:p-panel-x border-b border-border-row dark:border-b-white/7">
+											<span className="grid shrink-0 size-10.5 place-items-center rounded-lg border border-badge-green-border bg-badge-green-bg text-accent-green-hover dark:border-brand/25 dark:bg-brand/12 dark:text-brand [&>svg]:size-4.75">
+												<Icon />
+											</span>
+											<div>
+												<h2 className="m-0 text-lg font-medium dark:text-gray-50">{section.label}</h2>
+												<p className="mt-1.5 text-caption leading-subtitle text-muted-text dark:text-gray-400">{section.description}</p>
+											</div>
+										</div>
+										<Panel />
+									</section>
+								</Card>
+							</TabsContent>
+						);
+					})}
+				</Tabs>
 			</main>
 		</div>
 	);

src/client/styles.css

@@ -3,7 +3,6 @@
 @import 'tw-animate-css';
 @import 'shadcn/tailwind.css';
 @import './styles/StatusPage.css';
-@import './styles/SettingsPage.css';
 
 @custom-variant dark (&:is(.dark *));
 
@@ -730,6 +729,52 @@
 	}
 }
 
+@utility table-scrollbar {
+	scrollbar-color: var(--color-slate-300) transparent;
+	scrollbar-width: thin;
+
+	&::-webkit-scrollbar {
+		width: 6px;
+		height: 6px;
+	}
+
+	&::-webkit-scrollbar-thumb {
+		background: var(--color-slate-300);
+		border-radius: 9999px;
+	}
+}
+
+.dark .table-scrollbar {
+	scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
+
+	&::-webkit-scrollbar-thumb {
+		background: rgba(255, 255, 255, 0.2);
+	}
+}
+
+@utility dialog-scrollbar {
+	scrollbar-color: #bdc9c3 transparent;
+	scrollbar-width: thin;
+
+	&::-webkit-scrollbar {
+		width: 6px;
+		height: 6px;
+	}
+
+	&::-webkit-scrollbar-thumb {
+		background: #bdc9c3;
+		border-radius: 9999px;
+	}
+}
+
+.dark .dialog-scrollbar {
+	scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
+
+	&::-webkit-scrollbar-thumb {
+		background: rgba(255, 255, 255, 0.2);
+	}
+}
+
 @theme inline {
 	--font-sans: 'DM Sans', 'Helvetica Neue', sans-serif;
 	--font-mono: 'IBM Plex Mono', monospace;
@@ -750,6 +795,7 @@
 	--color-ink: var(--ink);
 	--color-hairline: var(--hairline);
 	--color-faint: var(--faint);
+	--color-muted-text: var(--muted);
 	--color-soft: var(--soft);
 	--color-night: var(--night);
 	--color-primary-deep: var(--primary-deep);
@@ -778,6 +824,7 @@
 	--color-night-surface: #13161b;
 	--color-night-card-alt: #15171b;
 	--color-night-incident: #151114;
+	--color-night-option-hover: #181c24;
 
 	/* Dark mode text tones */
 	--color-night-metric: #f4f7f6;
@@ -801,6 +848,12 @@
 	--color-surface-sparkline: #fdfefe;
 	--color-surface-uptime: #fcfefd;
 	--color-surface-danger-subtle: #fdfafa;
+	--color-surface-option: #fbfcfb;
+	--color-surface-option-hover: #f8fbf9;
+	--color-surface-fieldset: #fafcfb;
+	--color-surface-dialog-header: #fdfefd;
+	--color-surface-dialog-footer: #fafbfa;
+	--color-surface-highlight: #f2f5f3;
 
 	/* Status orb colors */
 	--color-status-online-border: #c5f1df;
@@ -832,6 +885,13 @@
 	--color-border-accent-checked: #8dd9b9;
 	--color-border-hero: #e7e7e7;
 	--color-border-divider: #f0f0f0;
+	--color-border-panel: #e6e6e6;
+	--color-border-control: #cfcfcf;
+	--color-border-option: #e2e6e4;
+	--color-border-option-hover: #cbd6d1;
+	--color-border-dialog-header: #e9ecea;
+	--color-border-section: #edf0ee;
+	--color-border-dialog-footer: #e4e8e6;
 
 	/* Text & foreground tones */
 	--color-ink-muted-dark: #888888;
@@ -849,6 +909,14 @@
 	--color-danger-hover: #922f2f;
 	--color-danger-bg: #fff2f2;
 	--color-danger-border: #efd1d1;
+	--color-danger-icon: #a74545;
+
+	/* Settings badges & feedback */
+	--color-badge-green-border: #bcead6;
+	--color-badge-green-bg: #f0fbf6;
+	--color-success-banner-border: #bde9d5;
+	--color-success-banner-bg: #f2fbf7;
+	--color-success-banner-text: #16754f;
 
 	/* Incident tone colors */
 	--color-tone-blue: #2563a8;
@@ -879,6 +947,7 @@
 	--tracking-brand: -0.6px;
 	--tracking-overline: 0.08em;
 	--tracking-metric: -1px;
+	--tracking-dialog-title: -0.35px;
 
 	/* Line height (leading) */
 	--leading-title: 1.16;
@@ -904,11 +973,16 @@
 	--text-display: 40px;
 
 	/* Sizing and layout tokens */
+	--spacing-panel-x: 26px;
 	--spacing-metric-h: 142px;
 	--spacing-row-h: 112px;
 	--spacing-skeleton-h: 104px;
 	--spacing-dialog-max: 860px;
 	--spacing-dialog-btn: 148px;
+	--spacing-dialog-channel: 720px;
+	--spacing-history-max: 380px;
+	--spacing-activity-max: 420px;
+	--spacing-table-min: 650px;
 	--spacing-select-max: 260px;
 	--spacing-textarea-h: 154px;
 	--spacing-textarea-sm-h: 132px;
@@ -917,7 +991,9 @@
 	--breakpoint-compact: 440px;
 
 	/* Radius tokens */
+	--radius-badge: 5px;
 	--radius-card-sm: 7px;
+	--radius-card: 10px;
 	--radius-actions: 9px;
 	--radius-dialog: 14px;
 

src/components/ui/tabs.tsx

@@ -0,0 +1,44 @@
+import * as React from 'react';
+import { Tabs as TabsPrimitive } from 'radix-ui';
+
+import { cn } from '@/lib/utils';
+
+function Tabs({ className, ...props }: React.ComponentProps<typeof TabsPrimitive.Root>) {
+	return <TabsPrimitive.Root data-slot="tabs" className={cn('flex flex-col', className)} {...props} />;
+}
+
+function TabsList({ className, ...props }: React.ComponentProps<typeof TabsPrimitive.List>) {
+	return (
+		<TabsPrimitive.List
+			data-slot="tabs-list"
+			className={cn('table-scrollbar flex w-full flex-nowrap items-center gap-1.5 overflow-x-auto pb-1', className)}
+			{...props}
+		/>
+	);
+}
+
+function TabsTrigger({ className, ...props }: React.ComponentProps<typeof TabsPrimitive.Trigger>) {
+	return (
+		<TabsPrimitive.Trigger
+			data-slot="tabs-trigger"
+			className={cn(
+				'inline-flex shrink-0 cursor-pointer items-center justify-center gap-2 rounded-lg px-3 py-1.75 text-caption font-medium whitespace-nowrap outline-none transition-colors select-none',
+				'text-icon-muted hover:bg-[rgb(62_207_142/0.1)] hover:text-primary-deep focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-primary-deep/40 disabled:pointer-events-none disabled:opacity-50',
+				'data-[state=active]:bg-[rgb(62_207_142/0.1)] data-[state=active]:text-primary-deep',
+				'dark:text-[#9ca3af] dark:hover:bg-[rgba(62,207,142,0.12)] dark:hover:text-brand',
+				'dark:data-[state=active]:bg-[rgba(62,207,142,0.12)] dark:data-[state=active]:text-brand',
+				"[&_svg]:pointer-events-none [&_svg]:shrink-0 [&_svg:not([class*='size-'])]:size-4",
+				className,
+			)}
+			{...props}
+		/>
+	);
+}
+
+function TabsContent({ className, ...props }: React.ComponentProps<typeof TabsPrimitive.Content>) {
+	return (
+		<TabsPrimitive.Content data-slot="tabs-content" className={cn('mt-5 outline-none focus-visible:outline-none', className)} {...props} />
+	);
+}
+
+export { Tabs, TabsList, TabsTrigger, TabsContent };