diff --git a/apps/status/src/index.ts b/apps/status/src/index.ts
index fa81bfa..4f65fe1 100644
--- a/apps/status/src/index.ts
+++ b/apps/status/src/index.ts
@@ -19,12 +19,18 @@ const eta = new Eta({ views: resolve(import.meta.dir, "./views"), cache: true, d
 
 const PUBLIC_BASE = process.env.STATUS_BASE_URL ?? "https://status.pingql.com";
 
-// Hash the static expand.js so the URL changes whenever its bytes change.
-// Used as a cache-busting query string on the <script src=...> tag.
+// Hash the static assets so their URLs change whenever their bytes change.
+// Used as cache-busting query strings on the <link>/<script> tags so visitors
+// always pull the freshest CSS/JS even with the long-lived `immutable`
+// Cache-Control we set on the asset routes below.
 const expandJsPath = resolve(import.meta.dir, "./static/expand.js");
 const expandJsBytes = await Bun.file(expandJsPath).bytes();
 const expandJsHash = createHash("md5").update(expandJsBytes).digest("hex").slice(0, 8);
 
+const appCssPath = resolve(import.meta.dir, "./static/app.css");
+const appCssBytes = await Bun.file(appCssPath).bytes();
+const appCssHash = createHash("md5").update(appCssBytes).digest("hex").slice(0, 8);
+
 function clientIp(req: Request): string {
   return req.headers.get("x-forwarded-for")?.split(",")[0]?.trim()
     || req.headers.get("cf-connecting-ip")
@@ -67,7 +73,7 @@ async function renderHtml(slug: string, request: Request): Promise<Response> {
   }
   const payload = await cached(`payload:${slug}`, 15, () => loadPagePayload(slug));
   if (!payload) return notFound();
-  const html = eta.render("page", { ...payload, expandJsHash });
+  const html = eta.render("page", { ...payload, expandJsHash, appCssHash });
   const headers: Record<string, string> = {
     "content-type":   "text/html; charset=utf-8",
     "cache-control":  "public, max-age=15, s-maxage=15",
@@ -120,6 +126,16 @@ const app = new Elysia()
     },
   }))
 
+  // Static app.css — same caching contract as expand.js. The query string in
+  // the <link> tag is the file's MD5 hash, so deploys propagate immediately
+  // even though the asset itself is marked immutable for a year.
+  .get("/_static/app.css", () => new Response(Bun.file(appCssPath), {
+    headers: {
+      "content-type":  "text/css; charset=utf-8",
+      "cache-control": "public, max-age=31536000, immutable",
+    },
+  }))
+
   // Single public route — dispatches HTML / JSON / RSS by extension on the slug.
   .get("/:slug", async ({ params, request, query }) => {
     const { slug, format } = splitSlugAndFormat(params.slug);
diff --git a/apps/status/src/static/app.css b/apps/status/src/static/app.css
new file mode 100644
index 0000000..fbb0edc
--- /dev/null
+++ b/apps/status/src/static/app.css
@@ -0,0 +1,143 @@
+/* Public status page styles. Served as a static asset with a hash-busted
+   query string (see apps/status/src/index.ts), so changes here propagate to
+   visitors as soon as the new bundle is deployed.
+
+   Per-page custom CSS is still inlined in page.ejs (it's per-request data,
+   not a build artifact) — kept in a separate <style> block AFTER this
+   file is loaded so it always wins on specificity ties. */
+
+:root {
+  --bg: #ffffff; --fg: #1e293b; --muted: #64748b; --card: #f8fafc;
+  --border: #e2e8f0; --accent: #0284c7;
+  --bar-up: #10b981; --bar-down: #ef4444; --bar-partial: #f59e0b; --bar-empty: #e5e7eb;
+  --bar-paused: #6366f1;
+  --overall-fg: #ffffff;
+}
+/* OLED-friendly dark mode: pure black background for power saving, but a
+   muted slate-300 foreground instead of white so it doesn't blow out on
+   self-emissive displays. */
+html.dark, html:not(.light):not(.dark) { color-scheme: dark; }
+@media (prefers-color-scheme: dark) {
+  html:not(.light) {
+    --bg: #0a0a0a; --fg: #c2c8d0; --muted: #6b7280; --card: #131418;
+    --border: #1f2026; --accent: #3b9bd1;
+    --bar-up: #1f8f6e; --bar-down: #c84a4a; --bar-partial: #c98a2c; --bar-empty: #1f2026; --bar-paused: #5b6cb8;
+    --overall-fg: #f1f5f9;
+  }
+}
+html.dark {
+  --bg: #0a0a0a; --fg: #c2c8d0; --muted: #6b7280; --card: #131418;
+  --border: #1f2026; --accent: #3b9bd1;
+  --bar-up: #1f8f6e; --bar-down: #c84a4a; --bar-partial: #c98a2c; --bar-empty: #1f2026; --bar-paused: #5b6cb8;
+  --overall-fg: #f1f5f9;
+}
+* { box-sizing: border-box; }
+body { margin: 0; background: var(--bg); color: var(--fg); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif; line-height: 1.5; }
+main { max-width: 880px; margin: 0 auto; padding: 3rem 1.5rem; }
+h1 { font-size: 1.75rem; font-weight: 700; margin: 0 0 0.5rem; }
+.title-row { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.5rem; }
+.title-row h1 { margin: 0; }
+.rss-link { color: var(--muted); display: inline-flex; align-items: center; transition: color 0.15s; }
+.rss-link:hover { color: #f59e0b; }
+.muted { color: var(--muted); font-size: 0.875rem; }
+.overall { padding: 1rem 1.25rem; border-radius: 10px; color: var(--overall-fg); font-weight: 600; font-size: 1rem; margin: 1.5rem 0 2rem; display: flex; align-items: center; gap: 0.75rem; }
+.overall .dot { width: 12px; height: 12px; border-radius: 50%; background: var(--overall-fg); opacity: 0.9; }
+.group-title { font-size: 0.85rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; margin: 2rem 0 0.75rem; }
+.monitors { display: flex; flex-direction: column; gap: 0.5rem; }
+/* All monitors share one structure: a clickable header row + a collapsible
+   detail panel. display_mode just controls whether `expanded-state` is set
+   on initial render. */
+.monitor { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 0; overflow: hidden; }
+.monitor-name { display: flex; align-items: center; gap: 0.75rem; min-width: 0; }
+.monitor-name .dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
+.monitor-name .name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
+.monitor-meta { display: flex; gap: 1rem; align-items: center; font-size: 0.85rem; color: var(--muted); }
+.uptime-pct { font-variant-numeric: tabular-nums; font-weight: 600; color: var(--fg); }
+.maintenance-pill {
+  display: inline-flex; align-items: center; gap: 0.3rem;
+  padding: 0.15rem 0.55rem; border-radius: 999px;
+  font-size: 0.7rem; font-weight: 600;
+  color: var(--bar-paused); border: 1px solid var(--bar-paused);
+  background: transparent; text-transform: uppercase; letter-spacing: 0.04em;
+}
+.bars { display: flex; gap: 0.1rem; height: 32px; margin-top: 0.75rem; align-items: stretch; position: relative; }
+.bar { flex: 1; min-width: 0; border-radius: 2px; transition: opacity 0.15s; }
+.bar:hover { opacity: 0.8; }
+.bars-meta { display: flex; justify-content: space-between; font-size: 0.7rem; color: var(--muted); margin-top: 0.4rem; }
+/* Tooltip shown when hovering a bar. Single floating element per page, positioned by JS. */
+#bar-tooltip { position: fixed; pointer-events: none; background: var(--card); border: 1px solid var(--border); border-radius: 6px; padding: 0.5rem 0.75rem; font-size: 0.75rem; color: var(--fg); box-shadow: 0 8px 24px rgba(0,0,0,0.3); z-index: 100; min-width: 160px; transform: translate(-50%, -100%); margin-top: -8px; display: none; }
+#bar-tooltip .head { color: var(--muted); margin-bottom: 0.25rem; font-size: 0.7rem; }
+#bar-tooltip .row  { display: flex; justify-content: space-between; gap: 1rem; }
+#bar-tooltip .row span:last-child { color: var(--fg); font-weight: 600; font-variant-numeric: tabular-nums; }
+#bar-tooltip .pct.good { color: var(--bar-up); }
+#bar-tooltip .pct.warn { color: var(--bar-partial); }
+#bar-tooltip .pct.bad  { color: var(--bar-down); }
+/* Multi-window uptime row: four labelled cells side by side. */
+.uptime-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.5rem; margin-top: 0.75rem; }
+.uptime-cell { background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: 0.5rem 0.65rem; }
+.uptime-cell .label { font-size: 0.65rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.2rem; }
+.uptime-cell .value { font-variant-numeric: tabular-nums; font-weight: 600; font-size: 0.95rem; }
+.uptime-cell.good   .value { color: var(--bar-up); }
+.uptime-cell.warn   .value { color: var(--bar-partial); }
+.uptime-cell.bad    .value { color: var(--bar-down); }
+.uptime-cell.empty  .value { color: var(--muted); }
+/* Header row is always clickable; detail panel collapses/expands. */
+.monitor-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 1.25rem; cursor: pointer; background: transparent; border: none; color: inherit; width: 100%; text-align: left; font-family: inherit; font-size: inherit; }
+.monitor-row:hover { background: rgba(255,255,255,0.02); }
+.monitor-row .chev { color: var(--muted); transition: transform 0.15s; flex-shrink: 0; }
+.monitor.expanded-state .monitor-row .chev { transform: rotate(90deg); }
+.monitor-detail { padding: 0 1.25rem 1rem; border-top: 1px solid var(--border); display: none; }
+.monitor.expanded-state .monitor-detail { display: block; padding-top: 1rem; }
+.regions { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.5rem; font-size: 0.75rem; }
+.region { padding: 0.15rem 0.5rem; border-radius: 999px; border: 1px solid var(--border); }
+.region.up { color: var(--green); border-color: rgba(16,185,129,0.3); }
+.region.down { color: var(--red); border-color: rgba(239,68,68,0.3); }
+.incidents { margin-bottom: 2rem; }
+.incident { background: var(--card); border-left: 4px solid var(--bar-partial); border-radius: 8px; padding: 1rem 1.25rem; margin-bottom: 1rem; }
+.incident.critical { border-left-color: var(--bar-down); }
+.incident.major    { border-left-color: var(--bar-partial); }
+.incident.minor    { border-left-color: var(--muted); }
+.incident.resolved { border-left-color: var(--bar-up); opacity: 0.85; }
+.incident-title { font-weight: 600; margin-bottom: 0.25rem; }
+.incident-meta  { color: var(--muted); font-size: 0.8rem; margin-bottom: 0.5rem; }
+.incident-meta .pill { display: inline-block; padding: 0.05rem 0.4rem; border-radius: 999px; border: 1px solid var(--border); margin-right: 0.4rem; text-transform: capitalize; }
+.incident-meta .pill.investigating { color: var(--bar-partial); border-color: rgba(245,158,11,0.3); }
+.incident-meta .pill.identified    { color: var(--bar-partial); border-color: rgba(245,158,11,0.3); }
+.incident-meta .pill.monitoring    { color: var(--accent);      border-color: rgba(14,165,233,0.3); }
+.incident-meta .pill.resolved      { color: var(--bar-up);      border-color: rgba(16,185,129,0.3); }
+/* Full incident timeline (newest at top). One block per update. */
+.incident-timeline { margin-top: 0.75rem; padding-top: 0.75rem; border-top: 1px solid var(--border); }
+.incident-update { padding: 0.5rem 0; border-bottom: 1px dashed var(--border); }
+.incident-update:last-child { border-bottom: none; padding-bottom: 0; }
+.incident-update .head { font-size: 0.75rem; color: var(--muted); margin-bottom: 0.2rem; }
+.incident-update .head .status { display: inline-block; padding: 0.05rem 0.4rem; border-radius: 4px; font-weight: 600; text-transform: capitalize; margin-right: 0.4rem; }
+.incident-update .head .status.investigating { background: rgba(245,158,11,0.15); color: var(--bar-partial); }
+.incident-update .head .status.identified    { background: rgba(245,158,11,0.15); color: var(--bar-partial); }
+.incident-update .head .status.monitoring    { background: rgba(14,165,233,0.15); color: var(--accent); }
+.incident-update .head .status.resolved      { background: rgba(16,185,129,0.15); color: var(--bar-up); }
+.incident-update .body { font-size: 0.875rem; }
+.incident-update .body p    { margin: 0.25rem 0; }
+.incident-update .body code { background: var(--bg); padding: 0.1em 0.3em; border-radius: 3px; font-size: 0.85em; }
+.past-incidents { margin-top: 3rem; }
+.past-incidents h2 { font-size: 1.1rem; margin-bottom: 1rem; }
+/* Past incidents — Atlassian-style: grouped by date with light typography. */
+.past-day { margin-bottom: 2rem; }
+.past-day-header { font-size: 0.95rem; font-weight: 600; color: var(--fg); padding-bottom: 0.5rem; border-bottom: 1px solid var(--border); margin: 0 0 1rem; }
+.past-day-empty  { font-size: 0.85rem; color: var(--muted); margin: 0.25rem 0 0; }
+.past-item { margin-bottom: 1.25rem; }
+.past-item:last-child { margin-bottom: 0; }
+.past-item-title { font-size: 0.95rem; font-weight: 600; color: var(--fg); margin: 0 0 0.5rem; }
+.past-update { font-size: 0.8rem; line-height: 1.55; color: var(--fg); padding-left: 0.75rem; border-left: 2px solid var(--border); margin-bottom: 0.5rem; }
+.past-update:last-child { margin-bottom: 0; }
+.past-update-status { font-weight: 600; text-transform: capitalize; }
+.past-update-status.investigating { color: var(--bar-partial); }
+.past-update-status.identified    { color: var(--bar-partial); }
+.past-update-status.monitoring    { color: var(--accent); }
+.past-update-status.resolved      { color: var(--bar-up); }
+.past-update-body { color: var(--fg); }
+.past-update-body p { display: inline; margin: 0; }
+.past-update-body code { background: var(--bg); padding: 0.05em 0.3em; border-radius: 3px; font-size: 0.85em; }
+.past-update-time { color: var(--muted); font-size: 0.7rem; margin-top: 0.15rem; }
+footer { margin-top: 4rem; padding-top: 2rem; border-top: 1px solid var(--border); color: var(--muted); font-size: 0.8rem; text-align: center; }
+a { color: var(--accent); text-decoration: none; }
+a:hover { text-decoration: underline; }
diff --git a/apps/status/src/views/page.ejs b/apps/status/src/views/page.ejs
index 006514e..eee7605 100644
--- a/apps/status/src/views/page.ejs
+++ b/apps/status/src/views/page.ejs
@@ -89,144 +89,8 @@
   <% if (page.og_image_url) { %><meta property="og:image" content="<%= page.og_image_url %>"><% } %>
   <link rel="alternate" type="application/rss+xml" title="<%= page.title %> incidents" href="/<%= page.slug %>.rss">
   <link rel="manifest" href="/<%= page.slug %>/manifest.json">
-  <style>
-    :root {
-      --bg: #ffffff; --fg: #1e293b; --muted: #64748b; --card: #f8fafc;
-      --border: #e2e8f0; --accent: #0284c7;
-      --bar-up: #10b981; --bar-down: #ef4444; --bar-partial: #f59e0b; --bar-empty: #e5e7eb;
-      --bar-paused: #6366f1;
-      --overall-fg: #ffffff;
-    }
-    /* OLED-friendly dark mode: pure black background for power saving, but a
-       muted slate-300 foreground instead of white so it doesn't blow out on
-       self-emissive displays. */
-    html.dark, html:not(.light):not(.dark) { color-scheme: dark; }
-    @media (prefers-color-scheme: dark) {
-      html:not(.light) {
-        --bg: #0a0a0a; --fg: #c2c8d0; --muted: #6b7280; --card: #131418;
-        --border: #1f2026; --accent: #3b9bd1;
-        --bar-up: #1f8f6e; --bar-down: #c84a4a; --bar-partial: #c98a2c; --bar-empty: #1f2026; --bar-paused: #5b6cb8;
-        --overall-fg: #f1f5f9;
-      }
-    }
-    html.dark {
-      --bg: #0a0a0a; --fg: #c2c8d0; --muted: #6b7280; --card: #131418;
-      --border: #1f2026; --accent: #3b9bd1;
-      --bar-up: #1f8f6e; --bar-down: #c84a4a; --bar-partial: #c98a2c; --bar-empty: #1f2026; --bar-paused: #5b6cb8;
-      --overall-fg: #f1f5f9;
-    }
-    * { box-sizing: border-box; }
-    body { margin: 0; background: var(--bg); color: var(--fg); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif; line-height: 1.5; }
-    main { max-width: 880px; margin: 0 auto; padding: 3rem 1.5rem; }
-    h1 { font-size: 1.75rem; font-weight: 700; margin: 0 0 0.5rem; }
-    .title-row { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.5rem; }
-    .title-row h1 { margin: 0; }
-    .rss-link { color: var(--muted); display: inline-flex; align-items: center; transition: color 0.15s; }
-    .rss-link:hover { color: #f59e0b; }
-    .muted { color: var(--muted); font-size: 0.875rem; }
-    .overall { padding: 1rem 1.25rem; border-radius: 10px; color: var(--overall-fg); font-weight: 600; font-size: 1rem; margin: 1.5rem 0 2rem; display: flex; align-items: center; gap: 0.75rem; }
-    .overall .dot { width: 12px; height: 12px; border-radius: 50%; background: var(--overall-fg); opacity: 0.9; }
-    .group-title { font-size: 0.85rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; margin: 2rem 0 0.75rem; }
-    .monitors { display: flex; flex-direction: column; gap: 0.5rem; }
-    /* All monitors share one structure: a clickable header row + a collapsible
-       detail panel. display_mode just controls whether `expanded-state` is set
-       on initial render. */
-    .monitor { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 0; overflow: hidden; }
-    .monitor-name { display: flex; align-items: center; gap: 0.75rem; min-width: 0; }
-    .monitor-name .dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
-    .monitor-name .name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
-    .monitor-meta { display: flex; gap: 1rem; align-items: center; font-size: 0.85rem; color: var(--muted); }
-    .uptime-pct { font-variant-numeric: tabular-nums; font-weight: 600; color: var(--fg); }
-    .maintenance-pill {
-      display: inline-flex; align-items: center; gap: 0.3rem;
-      padding: 0.15rem 0.55rem; border-radius: 999px;
-      font-size: 0.7rem; font-weight: 600;
-      color: var(--bar-paused); border: 1px solid var(--bar-paused);
-      background: transparent; text-transform: uppercase; letter-spacing: 0.04em;
-    }
-    .bars { display: flex; gap: 0.1rem; height: 32px; margin-top: 0.75rem; align-items: stretch; position: relative; }
-    .bar { flex: 1; min-width: 0; border-radius: 2px; transition: opacity 0.15s; }
-    .bar:hover { opacity: 0.8; }
-    .bars-meta { display: flex; justify-content: space-between; font-size: 0.7rem; color: var(--muted); margin-top: 0.4rem; }
-    /* Tooltip shown when hovering a bar. Single floating element per page, positioned by JS. */
-    #bar-tooltip { position: fixed; pointer-events: none; background: var(--card); border: 1px solid var(--border); border-radius: 6px; padding: 0.5rem 0.75rem; font-size: 0.75rem; color: var(--fg); box-shadow: 0 8px 24px rgba(0,0,0,0.3); z-index: 100; min-width: 160px; transform: translate(-50%, -100%); margin-top: -8px; display: none; }
-    #bar-tooltip .head { color: var(--muted); margin-bottom: 0.25rem; font-size: 0.7rem; }
-    #bar-tooltip .row  { display: flex; justify-content: space-between; gap: 1rem; }
-    #bar-tooltip .row span:last-child { color: var(--fg); font-weight: 600; font-variant-numeric: tabular-nums; }
-    #bar-tooltip .pct.good { color: var(--bar-up); }
-    #bar-tooltip .pct.warn { color: var(--bar-partial); }
-    #bar-tooltip .pct.bad  { color: var(--bar-down); }
-    /* Multi-window uptime row: four labelled cells side by side. */
-    .uptime-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.5rem; margin-top: 0.75rem; }
-    .uptime-cell { background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: 0.5rem 0.65rem; }
-    .uptime-cell .label { font-size: 0.65rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.2rem; }
-    .uptime-cell .value { font-variant-numeric: tabular-nums; font-weight: 600; font-size: 0.95rem; }
-    .uptime-cell.good   .value { color: var(--bar-up); }
-    .uptime-cell.warn   .value { color: var(--bar-partial); }
-    .uptime-cell.bad    .value { color: var(--bar-down); }
-    .uptime-cell.empty  .value { color: var(--muted); }
-    /* Header row is always clickable; detail panel collapses/expands. */
-    .monitor-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 1.25rem; cursor: pointer; background: transparent; border: none; color: inherit; width: 100%; text-align: left; font-family: inherit; font-size: inherit; }
-    .monitor-row:hover { background: rgba(255,255,255,0.02); }
-    .monitor-row .chev { color: var(--muted); transition: transform 0.15s; flex-shrink: 0; }
-    .monitor.expanded-state .monitor-row .chev { transform: rotate(90deg); }
-    .monitor-detail { padding: 0 1.25rem 1rem; border-top: 1px solid var(--border); display: none; }
-    .monitor.expanded-state .monitor-detail { display: block; padding-top: 1rem; }
-    .regions { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.5rem; font-size: 0.75rem; }
-    .region { padding: 0.15rem 0.5rem; border-radius: 999px; border: 1px solid var(--border); }
-    .region.up { color: var(--green); border-color: rgba(16,185,129,0.3); }
-    .region.down { color: var(--red); border-color: rgba(239,68,68,0.3); }
-    .incidents { margin-bottom: 2rem; }
-    .incident { background: var(--card); border-left: 4px solid var(--bar-partial); border-radius: 8px; padding: 1rem 1.25rem; margin-bottom: 1rem; }
-    .incident.critical { border-left-color: var(--bar-down); }
-    .incident.major    { border-left-color: var(--bar-partial); }
-    .incident.minor    { border-left-color: var(--muted); }
-    .incident.resolved { border-left-color: var(--bar-up); opacity: 0.85; }
-    .incident-title { font-weight: 600; margin-bottom: 0.25rem; }
-    .incident-meta  { color: var(--muted); font-size: 0.8rem; margin-bottom: 0.5rem; }
-    .incident-meta .pill { display: inline-block; padding: 0.05rem 0.4rem; border-radius: 999px; border: 1px solid var(--border); margin-right: 0.4rem; text-transform: capitalize; }
-    .incident-meta .pill.investigating { color: var(--bar-partial); border-color: rgba(245,158,11,0.3); }
-    .incident-meta .pill.identified    { color: var(--bar-partial); border-color: rgba(245,158,11,0.3); }
-    .incident-meta .pill.monitoring    { color: var(--accent);      border-color: rgba(14,165,233,0.3); }
-    .incident-meta .pill.resolved      { color: var(--bar-up);      border-color: rgba(16,185,129,0.3); }
-    /* Full incident timeline (newest at top). One block per update. */
-    .incident-timeline { margin-top: 0.75rem; padding-top: 0.75rem; border-top: 1px solid var(--border); }
-    .incident-update { padding: 0.5rem 0; border-bottom: 1px dashed var(--border); }
-    .incident-update:last-child { border-bottom: none; padding-bottom: 0; }
-    .incident-update .head { font-size: 0.75rem; color: var(--muted); margin-bottom: 0.2rem; }
-    .incident-update .head .status { display: inline-block; padding: 0.05rem 0.4rem; border-radius: 4px; font-weight: 600; text-transform: capitalize; margin-right: 0.4rem; }
-    .incident-update .head .status.investigating { background: rgba(245,158,11,0.15); color: var(--bar-partial); }
-    .incident-update .head .status.identified    { background: rgba(245,158,11,0.15); color: var(--bar-partial); }
-    .incident-update .head .status.monitoring    { background: rgba(14,165,233,0.15); color: var(--accent); }
-    .incident-update .head .status.resolved      { background: rgba(16,185,129,0.15); color: var(--bar-up); }
-    .incident-update .body { font-size: 0.875rem; }
-    .incident-update .body p    { margin: 0.25rem 0; }
-    .incident-update .body code { background: var(--bg); padding: 0.1em 0.3em; border-radius: 3px; font-size: 0.85em; }
-    .past-incidents { margin-top: 3rem; }
-    .past-incidents h2 { font-size: 1.1rem; margin-bottom: 1rem; }
-    /* Past incidents — Atlassian-style: grouped by date with light typography. */
-    .past-day { margin-bottom: 2rem; }
-    .past-day-header { font-size: 0.95rem; font-weight: 600; color: var(--fg); padding-bottom: 0.5rem; border-bottom: 1px solid var(--border); margin: 0 0 1rem; }
-    .past-day-empty  { font-size: 0.85rem; color: var(--muted); margin: 0.25rem 0 0; }
-    .past-item { margin-bottom: 1.25rem; }
-    .past-item:last-child { margin-bottom: 0; }
-    .past-item-title { font-size: 0.95rem; font-weight: 600; color: var(--fg); margin: 0 0 0.5rem; }
-    .past-update { font-size: 0.8rem; line-height: 1.55; color: var(--fg); padding-left: 0.75rem; border-left: 2px solid var(--border); margin-bottom: 0.5rem; }
-    .past-update:last-child { margin-bottom: 0; }
-    .past-update-status { font-weight: 600; text-transform: capitalize; }
-    .past-update-status.investigating { color: var(--bar-partial); }
-    .past-update-status.identified    { color: var(--bar-partial); }
-    .past-update-status.monitoring    { color: var(--accent); }
-    .past-update-status.resolved      { color: var(--bar-up); }
-    .past-update-body { color: var(--fg); }
-    .past-update-body p { display: inline; margin: 0; }
-    .past-update-body code { background: var(--bg); padding: 0.05em 0.3em; border-radius: 3px; font-size: 0.85em; }
-    .past-update-time { color: var(--muted); font-size: 0.7rem; margin-top: 0.15rem; }
-    footer { margin-top: 4rem; padding-top: 2rem; border-top: 1px solid var(--border); color: var(--muted); font-size: 0.8rem; text-align: center; }
-    a { color: var(--accent); text-decoration: none; }
-    a:hover { text-decoration: underline; }
-    <% if (page.custom_css) { %><%~ page.custom_css %><% } %>
-  </style>
+  <link rel="stylesheet" href="/_static/app.css?v=<%= it.appCssHash %>">
+  <% if (page.custom_css) { %><style><%~ page.custom_css %></style><% } %>
   <% if (page.analytics_html) { %><%~ page.analytics_html %><% } %>
 </head>
 <body>