CHANGELOG.md

@@ -1,5 +1,15 @@
 # Changelog
 
+## 2026-05-08 00:44 CEST — feat(go): M6.1 — template skeleton + embed.FS
+
+- `go/internal/web/templates/`: `base.tmpl` (full HTML layout), `partials/nav.tmpl` (three-tier nav with active-link highlighting), `partials/footer.tmpl` (build meta), and stub pages for each route (adults/juniors/payments/sync/flush_cache).
+- `go/internal/web/static/css/app.css`: terminal-green-on-black theme extracted once from Python `templates/adults.html` — shared by all Go HTML pages via `<link>`.
+- `go/internal/web/assets.go`: `//go:embed templates static` for single-binary deployment.
+- `go/internal/web/render.go`: `Renderer` parses a fresh `*template.Template` per page at startup; `Render(w, name, data)` executes the "base" template block.
+- `go/internal/web/html_handler.go`: `HTMLHandler` with one method per route (`ServeAdults`, `ServeJuniors`, `ServePayments`, `ServeSync`, `ServeFlushCache`).
+- `go/internal/web/server.go`: drops `helloHandler`; `GET /{$}` now redirects to `/adults`; HTML + `/static/` routes registered alongside the existing `/api/*` routes.
+- `go/internal/web/html_handler_test.go`: smoke test — each route returns 200 `text/html` with exactly one `class="active"` on the matching nav link.
+
 ## 2026-05-08 00:26 CEST — fix(py): parity coercions — amount/message types + junior '?' sticky
 
 - `scripts/match_payments.py`: added `get_float` helper — non-numeric `amount` values (e.g. `"---"` placeholder rows) now coerce to `0.0` matching Go's `parseFloat` behaviour; `message` field now goes through `get_str` so numeric cell values (bank references) are emitted as strings, matching Go's `fmt.Sprint`.

docs/plans/2026-05-03-2349-go-backend-rewrite-progress.md

@@ -2,9 +2,9 @@
 
 Companion to [2026-05-03-2349-go-backend-rewrite.md](2026-05-03-2349-go-backend-rewrite.md).
 
-**Current milestone:** M5 — JSON-only `/api/...` routes ✅
+**Current milestone:** M6 — Go-native HTML frontend
 **Started:** 2026-05-04
-**Last updated:** 2026-05-07 (M5.4)
+**Last updated:** 2026-05-08 (M6.1)
 
 ## How to use
 
@@ -110,7 +110,7 @@ Goal: byte-equal JSON between Python and Go for every route. This is the parity
 
 Goal: feature-equivalent UX on the Go side, designed cleanly. Not a Jinja port.
 
-- [ ] **M6.1** Template skeleton: base layout, nav (Adults/Juniors/Payments/Sync/Flush), terminal-green-on-black theme; `embed.FS` for `templates/` + `static/`
+- [x] **M6.1** Template skeleton: base layout, nav (Adults/Juniors/Payments/Sync/Flush), terminal-green-on-black theme; `embed.FS` for `templates/` + `static/`
 - [ ] **M6.2** `/adults` page: table, name filter input, month range filter, totals row, credits/debts/unmatched sections, Pay buttons that link to `/qr`
 - [ ] **M6.3** `/juniors` page: same structure + per-month J/A attendance breakdown + `"?"` sentinel rendering
 - [ ] **M6.4** `/payments` page: grouped-by-person ledger view

docs/plans/2026-05-08-0034-go-rewrite-m6-1-template-skeleton.md

@@ -0,0 +1,88 @@
+# Plan: Go rewrite — M6.1 Template skeleton
+
+## Context
+
+M5 finished — Go and Python now produce byte-equal JSON across `/api/{adults,juniors,payments,version}` and `cmd/parity` enforces it. See [progress tracker §M5](2026-05-03-2349-go-backend-rewrite-progress.md#L96-L106).
+
+M6 begins the Go-native HTML frontend that lets us actually retire the Python web UI. **M6.1 is the foundation step**: stand up the base HTML layout, shared nav, terminal-green-on-black theme, and the `embed.FS` plumbing that every subsequent M6 page (adults, juniors, payments, sync, flush, qr) will compose into. After M6.1, opening :8080 shows chrome (header, nav, footer) on every route with placeholder bodies — no real data wiring; that lands in M6.2+.
+
+This is **not a Jinja port**. The Python templates are reference for nav structure and CSS values; the Go layout is designed natively (per the [master plan](2026-05-03-2349-go-backend-rewrite.md#L24-L27): "frontends are allowed to diverge").
+
+## Current Go web state (what we're building on)
+
+- [go/internal/web/server.go](../../go/internal/web/server.go) — `Run()` registers `GET /{$}` (text-plain hello) + four `/api/*` routes. `BuildInfo{Version,Commit,BuildDate}` already flows in.
+- [go/internal/web/api/handler.go](../../go/internal/web/api/handler.go) — central handler struct holding `Sources`, `Config`, `Logger`, build fields.
+- No `templates/`, no `static/`, no `embed` directives, no `html/template` import anywhere in `go/`. We're starting from a blank slate.
+
+## Approach
+
+1. **Create `templates/` and `static/` under `go/internal/web/`**, embedded via `//go:embed`.
+2. **Single base template** (`base.tmpl`) using `html/template` `block`s for `title` and `content`. Each page template defines those blocks; the renderer executes via `ExecuteTemplate(w, "base", data)`.
+3. **Nav partial** parameterized by a `pageData.Active` string so each page highlights its own link with `class="active"`. Three tiers preserved (Primary / Archived / Tools) — matches Python UX in [templates/adults.html:491-505](../../templates/adults.html#L491-L505).
+4. **CSS** lifted verbatim from [templates/adults.html:8-487](../../templates/adults.html#L8-L487) into `static/css/app.css`. Page templates `<link>` it from the base layout. M6.2+ reuses the same class names (`.cell-ok`, `.modal-content`, …) without re-extracting.
+5. **HTML handlers** in a new `go/internal/web/html/` package (sibling of `api/`). One `Handler` struct holding `*Renderer` + `BuildInfo` + `Config`. Routes for `/`, `/adults`, `/juniors`, `/payments`, `/sync-bank`, `/flush-cache` registered in `server.go`. Each route renders a placeholder body ("Coming in M6.X") inside the base shell — the goal is to prove the chrome works, not to populate data.
+6. **Replace the existing `helloHandler`**: `GET /{$}` → `http.Redirect` to `/adults` (mirrors Python's meta-refresh in [app.py:112-115](../../app.py#L112-L115)).
+7. **Static file route**: `GET /static/` served from `staticFS` via `http.StripPrefix("/static/", http.FileServerFS(staticFS))`.
+8. **Footer keeps it simple**: `{{.Build.Version}}@{{.Build.Commit}} | built {{.Build.BuildDate}}`. The Python per-request render-time breakdown is deferred — `middleware/timer.go` only logs to slog today; threading a timer into request context can come back in a later milestone if we miss it.
+
+## Files to create / modify
+
+```
+go/internal/web/
+├── assets.go                          NEW — //go:embed templates/* static/*
+├── render.go                          NEW — Renderer wraps parsed *template.Template
+├── server.go                          MODIFY — drop helloHandler; mount HTML routes + /static/
+├── html/
+│   ├── handler.go                     NEW — html.Handler + page methods
+│   └── handler_test.go                NEW — httptest smoke per route
+├── templates/
+│   ├── base.tmpl                      NEW — <html>/<head>/<body>; nav + content + footer blocks
+│   ├── partials/
+│   │   ├── nav.tmpl                   NEW — three-tier nav, active highlighting
+│   │   └── footer.tmpl                NEW — build meta line
+│   ├── adults.tmpl                    NEW — placeholder "Coming in M6.2"
+│   ├── juniors.tmpl                   NEW — placeholder "Coming in M6.3"
+│   ├── payments.tmpl                  NEW — placeholder "Coming in M6.4"
+│   ├── sync.tmpl                      NEW — placeholder "Coming in M6.6"
+│   └── flush_cache.tmpl               NEW — placeholder "Coming in M6.6"
+└── static/
+    └── css/
+        └── app.css                    NEW — verbatim from templates/adults.html:8-487
+```
+
+## Key design notes
+
+- **Parse once at startup**: `NewRenderer(fs embed.FS)` calls `template.ParseFS(fs, "templates/*.tmpl", "templates/partials/*.tmpl")`. Parse failure aborts boot — template syntax errors surface immediately, not at first request.
+- **Per-page cloned templates** to avoid `define "content"` collisions across pages: `Renderer` stores `map[string]*template.Template` keyed by page name; each is `base+partials` clone with that page's `content`/`title` overlaid.
+- **View model** — small `pageData` struct: `Active` (nav key), `Build` (BuildInfo), `Body` (per-page payload, `any` until M6.2 widens it).
+- **Active-link logic** in nav partial: `{{ if eq .Active "adults" }}class="active"{{ end }}` — markup-side, no template funcs needed.
+- **No JS in M6.1.** Member-detail and QR modals + `static/js/*.js` come in M6.5. M6.1 only sets up the embedded-asset machinery.
+- **Nav anchor labels are literal text** (`[Adults]`, `[Juniors]`, etc.) — keep the brackets in the template strings, they're part of the look.
+- **`/qr` is not in the nav** — it's an image endpoint, M6.6 territory.
+
+## Critical files to read
+
+- [go/internal/web/server.go](../../go/internal/web/server.go) — mux registration; `Run()` signature stays unchanged.
+- [go/internal/web/api/handler.go](../../go/internal/web/api/handler.go) — pattern to mirror for `html.Handler` (same field layout, most fields unused in M6.1).
+- [templates/adults.html:8-487](../../templates/adults.html#L8-L487) — CSS source, copy verbatim.
+- [templates/adults.html:491-505](../../templates/adults.html#L491-L505) — nav markup source (three tiers).
+- [docs/plans/2026-05-03-2349-go-backend-rewrite.md:88-101](2026-05-03-2349-go-backend-rewrite.md#L88-L101) — original layout intent for `web/handlers/`, `web/templates/`, `web/static/`.
+
+## Verification
+
+End-to-end smoke from a fresh `make go-build`:
+
+1. `make web-go &` — server boots; no template-parse errors in slog output.
+2. `curl -i localhost:8080/` → `302` to `/adults`.
+3. `curl -s localhost:8080/adults | grep -F 'class="active"'` matches the Adults anchor only.
+4. `curl -sI localhost:8080/static/css/app.css` → `200`, `Content-Type: text/css`.
+5. Browser at `http://localhost:8080/adults`: terminal-green-on-black theme, three-tier nav at top (Adults active), "Coming in M6.2" placeholder, footer `{tag}@{commit} | built {date}`.
+6. Click each nav link in turn (`/juniors`, `/payments`, `/sync-bank`, `/flush-cache`) — same chrome, the clicked link is highlighted, per-page placeholder body shows.
+7. `make go-test` — `web/html/handler_test.go` passes: each route returns 200, `text/html`, `class="active"` only on the matching anchor.
+8. `make go-lint` clean.
+9. `make parity` still green (regression check — M6.1 doesn't touch `/api/*`).
+10. CHANGELOG entry per CLAUDE.md; M6.1 ticked in [progress tracker §M6.1](2026-05-03-2349-go-backend-rewrite-progress.md#L113) with commit SHA.
+
+## Branch & MR
+
+`feat/go-m6-1-template-skeleton` per CLAUDE.md branch-per-feature workflow. Open MR via `tea pr create --base main --head feat/go-m6-1-template-skeleton`. User merges in the Gitea browser UI.

go/internal/web/assets.go

@@ -0,0 +1,9 @@
+package web
+
+import "embed"
+
+//go:embed templates
+var templateFS embed.FS
+
+//go:embed static
+var staticFS embed.FS

go/internal/web/html_handler.go

@@ -0,0 +1,34 @@
+package web
+
+import "net/http"
+
+// HTMLHandler serves the Go-native HTML frontend.
+type HTMLHandler struct {
+	renderer *Renderer
+	build    BuildInfo
+}
+
+// NewHTMLHandler constructs an HTMLHandler.
+func NewHTMLHandler(r *Renderer, b BuildInfo) *HTMLHandler {
+	return &HTMLHandler{renderer: r, build: b}
+}
+
+func (h *HTMLHandler) ServeAdults(w http.ResponseWriter, r *http.Request) {
+	h.renderer.Render(w, "adults", PageData{Active: "adults", Build: h.build})
+}
+
+func (h *HTMLHandler) ServeJuniors(w http.ResponseWriter, r *http.Request) {
+	h.renderer.Render(w, "juniors", PageData{Active: "juniors", Build: h.build})
+}
+
+func (h *HTMLHandler) ServePayments(w http.ResponseWriter, r *http.Request) {
+	h.renderer.Render(w, "payments", PageData{Active: "payments", Build: h.build})
+}
+
+func (h *HTMLHandler) ServeSync(w http.ResponseWriter, r *http.Request) {
+	h.renderer.Render(w, "sync", PageData{Active: "sync", Build: h.build})
+}
+
+func (h *HTMLHandler) ServeFlushCache(w http.ResponseWriter, r *http.Request) {
+	h.renderer.Render(w, "flush_cache", PageData{Active: "flush", Build: h.build})
+}

go/internal/web/html_handler_test.go

@@ -0,0 +1,54 @@
+package web_test
+
+import (
+	"fmt"
+	"fuj-management/go/internal/web"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+)
+
+func TestHTMLHandlerSmoke(t *testing.T) {
+	renderer, err := web.NewRenderer()
+	if err != nil {
+		t.Fatalf("NewRenderer: %v", err)
+	}
+	b := web.BuildInfo{Version: "v0", Commit: "abc1234", BuildDate: "2026-01-01"}
+	h := web.NewHTMLHandler(renderer, b)
+
+	cases := []struct {
+		path    string
+		handler http.HandlerFunc
+	}{
+		{"/adults", h.ServeAdults},
+		{"/juniors", h.ServeJuniors},
+		{"/payments", h.ServePayments},
+		{"/sync-bank", h.ServeSync},
+		{"/flush-cache", h.ServeFlushCache},
+	}
+
+	for _, tc := range cases {
+		t.Run(tc.path, func(t *testing.T) {
+			req := httptest.NewRequest(http.MethodGet, tc.path, nil)
+			w := httptest.NewRecorder()
+			tc.handler(w, req)
+
+			if w.Code != http.StatusOK {
+				t.Errorf("status = %d, want 200", w.Code)
+			}
+			if ct := w.Header().Get("Content-Type"); !strings.HasPrefix(ct, "text/html") {
+				t.Errorf("Content-Type = %q, want text/html", ct)
+			}
+
+			body := w.Body.String()
+			if n := strings.Count(body, `class="active"`); n != 1 {
+				t.Errorf(`class="active" count = %d, want 1`, n)
+			}
+			want := fmt.Sprintf(`href="%s" class="active"`, tc.path)
+			if !strings.Contains(body, want) {
+				t.Errorf("missing active link %q in body", want)
+			}
+		})
+	}
+}

go/internal/web/render.go

@@ -0,0 +1,53 @@
+package web
+
+import (
+	"fmt"
+	"html/template"
+	"log/slog"
+	"net/http"
+)
+
+// PageData is the view model passed to every HTML template.
+type PageData struct {
+	Active string
+	Build  BuildInfo
+}
+
+// Renderer parses and executes HTML templates from the embedded FS.
+type Renderer struct {
+	tmpls map[string]*template.Template
+}
+
+var pageNames = []string{"adults", "juniors", "payments", "sync", "flush_cache"}
+
+// NewRenderer parses all templates from the embedded FS.
+// A parse failure should be treated as a startup-time fatal error.
+func NewRenderer() (*Renderer, error) {
+	tmpls := make(map[string]*template.Template, len(pageNames))
+	for _, name := range pageNames {
+		t, err := template.New("").ParseFS(templateFS,
+			"templates/base.tmpl",
+			"templates/partials/nav.tmpl",
+			"templates/partials/footer.tmpl",
+			"templates/"+name+".tmpl",
+		)
+		if err != nil {
+			return nil, fmt.Errorf("parse template %q: %w", name, err)
+		}
+		tmpls[name] = t
+	}
+	return &Renderer{tmpls: tmpls}, nil
+}
+
+// Render executes the named template with data, writing to w.
+func (r *Renderer) Render(w http.ResponseWriter, name string, data any) {
+	t, ok := r.tmpls[name]
+	if !ok {
+		http.Error(w, "template not found: "+name, http.StatusInternalServerError)
+		return
+	}
+	w.Header().Set("Content-Type", "text/html; charset=utf-8")
+	if err := t.ExecuteTemplate(w, "base", data); err != nil {
+		slog.Error("render template", "name", name, "err", err)
+	}
+}

go/internal/web/server.go

@@ -6,6 +6,7 @@ import (
 	"fuj-management/go/internal/services/membership"
 	"fuj-management/go/internal/web/api"
 	"fuj-management/go/internal/web/middleware"
+	"io/fs"
 	"log/slog"
 	"net/http"
 )
@@ -19,7 +20,12 @@ type BuildInfo struct {
 
 // Run registers routes and starts the HTTP server on addr.
 func Run(logger *slog.Logger, addr string, build BuildInfo, sources membership.Sources, cfg config.Config) error {
-	h := &api.Handler{
+	renderer, err := NewRenderer()
+	if err != nil {
+		return fmt.Errorf("init templates: %w", err)
+	}
+
+	ah := &api.Handler{
 		BuildVersion: build.Version,
 		BuildCommit:  build.Commit,
 		BuildDate:    build.BuildDate,
@@ -27,22 +33,34 @@ func Run(logger *slog.Logger, addr string, build BuildInfo, sources membership.S
 		Config:       cfg,
 		Logger:       logger,
 	}
+	hh := NewHTMLHandler(renderer, build)
+
+	staticSubFS, err := fs.Sub(staticFS, "static")
+	if err != nil {
+		return fmt.Errorf("static subfs: %w", err)
+	}
 
 	mux := http.NewServeMux()
-	mux.HandleFunc("GET /{$}", helloHandler(build))
+
-	mux.HandleFunc("GET /api/version", h.ServeVersion)
+	// HTML routes
-	mux.HandleFunc("GET /api/adults", h.ServeAdults)
+	mux.HandleFunc("GET /{$}", func(w http.ResponseWriter, r *http.Request) {
-	mux.HandleFunc("GET /api/juniors", h.ServeJuniors)
+		http.Redirect(w, r, "/adults", http.StatusFound)
-	mux.HandleFunc("GET /api/payments", h.ServePayments)
+	})
+	mux.HandleFunc("GET /adults", hh.ServeAdults)
+	mux.HandleFunc("GET /juniors", hh.ServeJuniors)
+	mux.HandleFunc("GET /payments", hh.ServePayments)
+	mux.HandleFunc("GET /sync-bank", hh.ServeSync)
+	mux.HandleFunc("GET /flush-cache", hh.ServeFlushCache)
+
+	// Static files
+	mux.Handle("/static/", http.StripPrefix("/static/", http.FileServerFS(staticSubFS)))
+
+	// JSON API routes
+	mux.HandleFunc("GET /api/version", ah.ServeVersion)
+	mux.HandleFunc("GET /api/adults", ah.ServeAdults)
+	mux.HandleFunc("GET /api/juniors", ah.ServeJuniors)
+	mux.HandleFunc("GET /api/payments", ah.ServePayments)
 
 	logger.Info("starting server", "addr", addr)
 	return http.ListenAndServe(addr, middleware.RequestTimer(logger, mux))
 }
-
-func helloHandler(build BuildInfo) http.HandlerFunc {
-	return func(w http.ResponseWriter, r *http.Request) {
-		w.Header().Set("Content-Type", "text/plain; charset=utf-8")
-		fmt.Fprintf(w, "fuj-go ok\nversion: %s\ncommit:  %s\nbuilt:   %s\n",
-			build.Version, build.Commit, build.BuildDate)
-	}
-}

go/internal/web/static/css/app.css

@@ -0,0 +1,477 @@
+body {
+    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
+    background-color: #0c0c0c;
+    color: #cccccc;
+    padding: 10px;
+    margin: 0;
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    font-size: 11px;
+    line-height: 1.2;
+}
+
+h1 {
+    color: #00ff00;
+    font-family: inherit;
+    margin-top: 10px;
+    margin-bottom: 20px;
+    text-transform: uppercase;
+    letter-spacing: 1px;
+    font-size: 14px;
+}
+
+h2 {
+    color: #00ff00;
+    font-size: 12px;
+    margin-top: 30px;
+    margin-bottom: 10px;
+    text-transform: uppercase;
+    width: 100%;
+    max-width: 1200px;
+    border-bottom: 1px solid #333;
+    padding-bottom: 5px;
+}
+
+.nav {
+    margin-bottom: 20px;
+    font-size: 12px;
+    color: #555;
+    display: flex;
+    flex-direction: column;
+    gap: 10px;
+    align-items: center;
+}
+
+.nav > div {
+    display: flex;
+    gap: 15px;
+    align-items: center;
+}
+
+.nav a {
+    color: #00ff00;
+    text-decoration: none;
+    padding: 2px 8px;
+    border: 1px solid #333;
+}
+
+.nav a.active {
+    color: #000;
+    background-color: #00ff00;
+    border-color: #00ff00;
+}
+
+.nav a:hover {
+    color: #fff;
+    border-color: #555;
+}
+
+.nav-archived a {
+    font-size: 10px;
+    color: #666;
+    border-color: #222;
+}
+
+.nav-archived a.active {
+    color: #ccc;
+    background-color: #333;
+    border-color: #555;
+}
+
+.nav-archived a:hover {
+    color: #999;
+    border-color: #444;
+}
+
+.description {
+    margin-bottom: 20px;
+    text-align: center;
+    color: #888;
+    max-width: 800px;
+}
+
+.description a {
+    color: #00ff00;
+    text-decoration: none;
+}
+
+.description a:hover {
+    text-decoration: underline;
+}
+
+.table-container {
+    background-color: transparent;
+    border: 1px solid #333;
+    box-shadow: none;
+    overflow-x: auto;
+    width: 100%;
+    max-width: 1200px;
+    margin-bottom: 30px;
+}
+
+table {
+    border-collapse: collapse;
+    width: 100%;
+    table-layout: auto;
+}
+
+th,
+td {
+    padding: 2px 8px;
+    text-align: right;
+    border-bottom: 1px dashed #222;
+    white-space: nowrap;
+}
+
+th:first-child,
+td:first-child {
+    text-align: left;
+}
+
+th {
+    background-color: transparent;
+    color: #888888;
+    font-weight: normal;
+    border-bottom: 1px solid #555;
+    text-transform: lowercase;
+}
+
+tr:hover {
+    background-color: #1a1a1a;
+}
+
+.balance-pos {
+    color: #00ff00;
+}
+
+.balance-neg {
+    color: #ff3333;
+}
+
+.cell-ok {
+    color: #00ff00;
+}
+
+.cell-unpaid {
+    color: #ff3333;
+    background-color: rgba(255, 51, 51, 0.05);
+    position: relative;
+}
+
+.cell-unpaid-current {
+    color: #994444;
+    background-color: rgba(153, 68, 68, 0.05);
+    position: relative;
+}
+
+.cell-overridden {
+    color: #ffa500 !important;
+}
+
+.pay-btn {
+    display: none;
+    position: absolute;
+    right: 5px;
+    top: 50%;
+    transform: translateY(-50%);
+    background: #ff3333;
+    color: white;
+    border: none;
+    border-radius: 3px;
+    padding: 2px 6px;
+    font-size: 10px;
+    cursor: pointer;
+    font-weight: bold;
+}
+
+.member-row:hover .pay-btn {
+    display: inline-block;
+}
+
+.cell-empty {
+    color: #444444;
+}
+
+.list-container {
+    width: 100%;
+    max-width: 1200px;
+    color: #888;
+    margin-bottom: 40px;
+}
+
+.list-item {
+    display: flex;
+    justify-content: flex-start;
+    gap: 20px;
+    padding: 1px 0;
+    border-bottom: 1px dashed #222;
+}
+
+.list-item-name {
+    color: #ccc;
+    min-width: 200px;
+}
+
+.list-item-val {
+    color: #00ff00;
+}
+
+.unmatched-row {
+    font-family: inherit;
+    display: grid;
+    grid-template-columns: 100px 100px 200px 1fr;
+    gap: 15px;
+    color: #888;
+    padding: 2px 0;
+    border-bottom: 1px dashed #222;
+}
+
+.unmatched-header {
+    color: #555;
+    border-bottom: 1px solid #333;
+    margin-bottom: 5px;
+}
+
+.filter-container {
+    width: 100%;
+    max-width: 1200px;
+    margin-bottom: 15px;
+    display: flex;
+    align-items: center;
+    gap: 10px;
+}
+
+.filter-input {
+    background-color: #1a1a1a;
+    border: 1px solid #333;
+    color: #00ff00;
+    font-family: inherit;
+    font-size: 11px;
+    padding: 4px 8px;
+    width: 250px;
+    outline: none;
+}
+
+.filter-input:focus {
+    border-color: #00ff00;
+}
+
+.filter-select {
+    background-color: #1a1a1a;
+    border: 1px solid #333;
+    color: #00ff00;
+    font-family: inherit;
+    font-size: 11px;
+    padding: 4px 8px;
+    outline: none;
+}
+
+.filter-select:focus {
+    border-color: #00ff00;
+}
+
+.month-hidden {
+    display: none !important;
+}
+
+.filter-label {
+    color: #888;
+    text-transform: lowercase;
+}
+
+.info-icon {
+    color: #00ff00;
+    cursor: pointer;
+    margin-left: 5px;
+    font-size: 10px;
+    opacity: 0.5;
+}
+
+.info-icon:hover {
+    opacity: 1;
+}
+
+/* Modal Styles */
+#memberModal {
+    display: none !important;
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 100vw;
+    height: 100vh;
+    background-color: rgba(0, 0, 0, 0.9);
+    z-index: 9999;
+    justify-content: center;
+    align-items: center;
+}
+
+#memberModal.active {
+    display: flex !important;
+}
+
+.modal-content {
+    background-color: #0c0c0c;
+    border: 1px solid #00ff00;
+    width: 90%;
+    max-width: 800px;
+    max-height: 85vh;
+    overflow-y: auto;
+    padding: 20px;
+    box-shadow: 0 0 20px rgba(0, 255, 0, 0.2);
+    position: relative;
+}
+
+.modal-header {
+    border-bottom: 1px solid #333;
+    margin-bottom: 20px;
+    padding-bottom: 10px;
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+}
+
+.modal-title {
+    color: #00ff00;
+    font-size: 14px;
+    text-transform: uppercase;
+}
+
+.close-btn {
+    color: #ff3333;
+    cursor: pointer;
+    font-size: 14px;
+    text-transform: lowercase;
+}
+
+.modal-section {
+    margin-bottom: 25px;
+}
+
+.modal-section-title {
+    color: #555;
+    text-transform: uppercase;
+    font-size: 10px;
+    margin-bottom: 8px;
+    border-bottom: 1px dashed #222;
+}
+
+.raw-toggle {
+    color: #333;
+    font-size: 9px;
+    text-transform: lowercase;
+    margin-left: 8px;
+    text-decoration: none;
+    letter-spacing: 0;
+}
+
+.raw-toggle:hover {
+    color: #666;
+}
+
+.modal-table {
+    width: 100%;
+    border-collapse: collapse;
+}
+
+.modal-table th,
+.modal-table td {
+    text-align: left;
+    padding: 4px 0;
+    border-bottom: 1px dashed #1a1a1a;
+}
+
+.modal-table th {
+    color: #666;
+    font-weight: normal;
+    font-size: 10px;
+}
+
+.tx-list {
+    list-style: none;
+    padding: 0;
+    margin: 0;
+}
+
+.tx-item {
+    padding: 8px 0;
+    border-bottom: 1px dashed #222;
+}
+
+.tx-meta {
+    color: #555;
+    font-size: 10px;
+    margin-bottom: 4px;
+}
+
+.tx-main {
+    display: flex;
+    justify-content: space-between;
+    gap: 20px;
+}
+
+.tx-amount {
+    color: #00ff00;
+}
+
+.tx-sender {
+    color: #ccc;
+}
+
+.tx-msg {
+    color: #888;
+    font-style: italic;
+}
+
+.footer {
+    margin-top: 50px;
+    margin-bottom: 20px;
+    color: #333;
+    font-size: 9px;
+    text-align: center;
+    width: 100%;
+    cursor: pointer;
+    user-select: none;
+}
+
+.perf-breakdown {
+    display: none;
+    margin-top: 5px;
+    color: #222;
+}
+
+/* QR Modal styles */
+#qrModal .modal-content {
+    max-width: 400px;
+    text-align: center;
+}
+
+.qr-image {
+    background: white;
+    padding: 10px;
+    border-radius: 5px;
+    margin: 20px 0;
+    display: inline-block;
+}
+
+.qr-image img {
+    display: block;
+    width: 250px;
+    height: 250px;
+}
+
+.qr-details {
+    text-align: left;
+    margin-top: 15px;
+    font-size: 14px;
+    color: #ccc;
+}
+
+.qr-details div {
+    margin-bottom: 5px;
+}
+
+.qr-details span {
+    color: #00ff00;
+    font-family: monospace;
+}

go/internal/web/templates/adults.tmpl

@@ -0,0 +1,5 @@
+{{define "title"}}Adults{{end}}
+{{define "content"}}
+<h1>Adults Dashboard</h1>
+<p class="description">Coming in M6.2</p>
+{{end}}

go/internal/web/templates/base.tmpl

@@ -0,0 +1,15 @@
+{{define "base"}}<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>FUJ — {{template "title" .}}</title>
+    <link rel="stylesheet" href="/static/css/app.css">
+</head>
+<body>
+{{template "nav" .}}
+{{template "content" .}}
+{{template "footer" .}}
+</body>
+</html>
+{{end}}

go/internal/web/templates/flush_cache.tmpl

@@ -0,0 +1,5 @@
+{{define "title"}}Flush Cache{{end}}
+{{define "content"}}
+<h1>Flush Cache</h1>
+<p class="description">Coming in M6.6</p>
+{{end}}

go/internal/web/templates/juniors.tmpl

@@ -0,0 +1,5 @@
+{{define "title"}}Juniors{{end}}
+{{define "content"}}
+<h1>Juniors Dashboard</h1>
+<p class="description">Coming in M6.3</p>
+{{end}}

go/internal/web/templates/partials/footer.tmpl

@@ -0,0 +1,3 @@
+{{define "footer"}}
+<div class="footer">{{.Build.Version}}@{{.Build.Commit}} | built {{.Build.BuildDate}}</div>
+{{end}}

go/internal/web/templates/partials/nav.tmpl

@@ -0,0 +1,17 @@
+{{define "nav"}}
+<div class="nav">
+    <div>
+        <a href="/adults"{{if eq .Active "adults"}} class="active"{{end}}>[Adults]</a>
+        <a href="/juniors"{{if eq .Active "juniors"}} class="active"{{end}}>[Juniors]</a>
+    </div>
+    <div class="nav-archived">
+        <span style="color: #666; margin-right: 5px;">Archived:</span>
+        <a href="/payments"{{if eq .Active "payments"}} class="active"{{end}}>[Payments Ledger]</a>
+    </div>
+    <div class="nav-archived">
+        <span style="color: #666; margin-right: 5px;">Tools:</span>
+        <a href="/sync-bank"{{if eq .Active "sync"}} class="active"{{end}}>[Sync Bank Data]</a>
+        <a href="/flush-cache"{{if eq .Active "flush"}} class="active"{{end}}>[Flush Cache]</a>
+    </div>
+</div>
+{{end}}

go/internal/web/templates/payments.tmpl

@@ -0,0 +1,5 @@
+{{define "title"}}Payments Ledger{{end}}
+{{define "content"}}
+<h1>Payments Ledger</h1>
+<p class="description">Coming in M6.4</p>
+{{end}}

go/internal/web/templates/sync.tmpl

@@ -0,0 +1,5 @@
+{{define "title"}}Sync Bank Data{{end}}
+{{define "content"}}
+<h1>Sync Bank Data</h1>
+<p class="description">Coming in M6.6</p>
+{{end}}