Seed from go-template-repo, renamed to simplexcalc

The template's files at a77fd30, without its history or LICENSE, after
script/rename simplexcalc.

Model: opus-5-5

static/css/style.css

@@ -0,0 +1,135 @@
+/* No external fonts, no CDN: the Content-Security-Policy this service
+   sends is default-src 'self', and everything here has to live inside
+   it. */
+
+:root {
+    --fg: #1a1a1a;
+    --bg: #fdfdfc;
+    --muted: #6b6b6b;
+    --rule: #dcdcd8;
+    --accent: #2b5f8a;
+}
+
+@media (prefers-color-scheme: dark) {
+    :root {
+        --fg: #e6e6e3;
+        --bg: #16181a;
+        --muted: #9a9a95;
+        --rule: #2e3236;
+        --accent: #7fb2dd;
+    }
+}
+
+* {
+    box-sizing: border-box;
+}
+
+body {
+    margin: 0;
+    background: var(--bg);
+    color: var(--fg);
+    font:
+        16px/1.55 ui-monospace,
+        "SFMono-Regular",
+        Menlo,
+        Consolas,
+        monospace;
+}
+
+nav {
+    display: flex;
+    gap: 1.25rem;
+    align-items: baseline;
+    padding: 0.9rem 1.25rem;
+    border-bottom: 1px solid var(--rule);
+}
+
+nav .brand {
+    font-weight: 700;
+    margin-right: auto;
+}
+
+a {
+    color: var(--accent);
+}
+
+main {
+    max-width: 52rem;
+    margin: 0 auto;
+    padding: 1.5rem 1.25rem 3rem;
+}
+
+h1 {
+    font-size: 1.4rem;
+}
+
+h2 {
+    font-size: 1.1rem;
+    margin-top: 2rem;
+}
+
+form {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 0.75rem;
+    align-items: end;
+    margin: 1rem 0 1.5rem;
+}
+
+label {
+    display: flex;
+    flex-direction: column;
+    gap: 0.25rem;
+    font-size: 0.85rem;
+    color: var(--muted);
+}
+
+input,
+button {
+    font: inherit;
+    padding: 0.4rem 0.6rem;
+    border: 1px solid var(--rule);
+    border-radius: 3px;
+    background: var(--bg);
+    color: var(--fg);
+}
+
+button {
+    cursor: pointer;
+    border-color: var(--accent);
+    color: var(--accent);
+}
+
+table {
+    width: 100%;
+    border-collapse: collapse;
+    font-size: 0.9rem;
+}
+
+th,
+td {
+    text-align: left;
+    padding: 0.4rem 0.6rem;
+    border-bottom: 1px solid var(--rule);
+}
+
+th {
+    color: var(--muted);
+    font-weight: 400;
+}
+
+.empty {
+    color: var(--muted);
+}
+
+footer {
+    display: flex;
+    gap: 1rem;
+    justify-content: space-between;
+    max-width: 52rem;
+    margin: 0 auto;
+    padding: 1rem 1.25rem 2rem;
+    color: var(--muted);
+    font-size: 0.8rem;
+    border-top: 1px solid var(--rule);
+}

static/js/app.js

@@ -0,0 +1,9 @@
+// The Content-Security-Policy this service sends forbids inline script
+// and third-party origins, so anything the pages need has to be a
+// same-origin file like this one. It is deliberately empty of
+// behaviour: it exists so the embedded-asset path is exercised by
+// something other than the stylesheet.
+//
+// Delete it, or fill it in, when seeding a real project.
+
+("use strict");

static/static.go

@@ -0,0 +1,12 @@
+// Package static carries the static assets into the binary, so that a
+// deployment is one file and an asset can never be a version behind the
+// code that references it.
+package static
+
+import "embed"
+
+// FS holds the served assets. internal/server mounts it read-only at
+// /static/ and refuses directory listings.
+//
+//go:embed css/*.css js/*.js
+var FS embed.FS