diff --git a/CLAUDE.md b/CLAUDE.md
index 3e29913..0af543a 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -68,7 +68,7 @@ Startup (`cmd/control-plane/main.go`) wires: config (env vars) → pgxpool → `
 
 - **API Server** (`internal/api/server.go`): chi router with middleware. Creates handler structs (`sandboxHandler`, `execHandler`, `filesHandler`, etc.) injected with `db.Queries` and the host agent Connect RPC client. Routes under `/v1/sandboxes/*`.
 - **Reconciler** (`internal/api/reconciler.go`): background goroutine (every 30s) that compares DB records against `agent.ListSandboxes()` RPC. Marks orphaned DB entries as "stopped".
-- **Admin UI** at `/admin/` (htmx + Go html/template, no SPA, no build step)
+- **Admin UI** at `/admin/` (htmx + basecoat + alpine.js + Go html/template, no SPA, no build step)
 - **Database**: PostgreSQL via pgx/v5. Queries generated by sqlc from `db/queries/sandboxes.sql`. Migrations in `db/migrations/` (goose, plain SQL).
 - **Config** (`internal/config/config.go`): purely environment variables (`DATABASE_URL`, `CP_LISTEN_ADDR`, `CP_HOST_AGENT_ADDR`), no YAML/file config.
 
diff --git a/internal/admin/handlers.go b/internal/admin/handlers.go
deleted file mode 100644
index d78da5d..0000000
--- a/internal/admin/handlers.go
+++ /dev/null
@@ -1 +0,0 @@
-package admin
diff --git a/internal/admin/static/style.css b/internal/admin/static/style.css
deleted file mode 100644
index e69de29..0000000
diff --git a/internal/admin/templates/dashboard.html b/internal/admin/templates/dashboard.html
deleted file mode 100644
index e69de29..0000000
diff --git a/internal/admin/templates/layout.html b/internal/admin/templates/layout.html
deleted file mode 100644
index e69de29..0000000
diff --git a/internal/admin/templates/partials/audit_log.html b/internal/admin/templates/partials/audit_log.html
deleted file mode 100644
index e69de29..0000000
diff --git a/internal/admin/templates/partials/metrics_card.html b/internal/admin/templates/partials/metrics_card.html
deleted file mode 100644
index e69de29..0000000
diff --git a/internal/admin/templates/partials/sandbox_row.html b/internal/admin/templates/partials/sandbox_row.html
deleted file mode 100644
index e69de29..0000000
diff --git a/internal/admin/templates/sandbox_detail.html b/internal/admin/templates/sandbox_detail.html
deleted file mode 100644
index e69de29..0000000
diff --git a/internal/admin/templates/sandboxes.html b/internal/admin/templates/sandboxes.html
deleted file mode 100644
index e69de29..0000000