OpenMouse-Project · snekxs · Aug 11, 2026 · Aug 1, 2026 · Aug 1, 2026 · Aug 1, 2026
diff --git a/build/check-bundle-size.ts b/build/check-bundle-size.ts
@@ -8,7 +8,8 @@ const BUDGET_BYTES: Record<string, number> = {
  // bundle without adding a UI framework or runtime dependency.
  // Raised from 54 kB for the in-app lighting colour picker: the SV panel,
  // hue bar, drag thumbs, swatch, and hex field in the dedicated Lighting tab.
- ".css": 55_500,
+ // Raised from 55.5 kB for the standalone Mouse Check diagnostics page.
+ ".css": 61_500,
  // Raised from 280 kB for the production Logitech onboard-profile codec,
  // guarded flash editor, verification exporter, upstream Finalmouse driver,
  // the dedicated Viper Mini protocol driver, Viper V3 sleep/low-power plus
@@ -28,7 +29,9 @@ const BUDGET_BYTES: Record<string, number> = {
  // registry now bundles the Cobra HID client, its extended-matrix lighting
  // payloads, and the Cobra picker filter alongside the other Razer drivers.
  // Protocol tests and preview fixtures remain unbundled.
- ".js": 435_000,
+ // Raised from 435 kB for Mouse Check's HID inventory UI and reuse of the
+ // protocol package's validated Razer request/response codec.
+ ".js": 444_000,
 };
 
 const ASSETS = join("dist", "assets");

diff --git a/check.html b/check.html
@@ -0,0 +1,21 @@
+<!doctype html>
+<html lang="en">
+ <head>
+ <meta charset="UTF-8" />
+ <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+ <meta name="theme-color" content="#09090b" />
+ <link rel="icon" href="/favicon.ico?v=2" sizes="32x32" />
+ <link rel="icon" type="image/png" href="/favicon-32.png?v=2" sizes="32x32" />
+ <link rel="icon" type="image/svg+xml" href="/favicon-dark.svg?v=2" sizes="any" />
+ <link rel="preconnect" href="https://fonts.googleapis.com" />
+ <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
+ <link href="https://fonts.googleapis.com/css2?family=DM+Sans:opsz,wght@9..40,400;9..40,500;9..40,600&family=JetBrains+Mono:wght@400;500&display=swap" rel="stylesheet" />
+ <meta name="robots" content="index, follow" />
+ <title>Mouse Check — OpenMouse HID Diagnostics</title>
+ <meta name="description" content="Check if your gaming mouse works with WebHID in the browser, or if it requires a native driver." />
+ </head>
+ <body>
+ <div id="check-app"></div>
+ <script type="module" src="/src/check.ts"></script>
+ </body>
+</html>
diff --git a/src/check.css b/src/check.css
@@ -0,0 +1,307 @@
+:root {
+ color: #f1f1f3;
+ background: #09090b;
+ font-family: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
+ font-synthesis: none;
+}
+
+* { box-sizing: border-box; }
+body { margin: 0; min-width: 320px; background: #09090b; }
+button { font: inherit; cursor: pointer; color: inherit; }
+a { color: inherit; text-decoration: none; }
+button:focus-visible, a:focus-visible { outline: 2px solid #69d28d; outline-offset: 3px; }
+
+.check-shell {
+ width: min(100% - 2rem, 860px);
+ margin: 0 auto;
+ padding: 2rem 0 4rem;
+}
+
+/* Header */
+.check-header {
+ display: flex;
+ align-items: center;
+ justify-content: space-between;
+ gap: 1rem;
+ margin-bottom: 3rem;
+ padding-bottom: 1.25rem;
+ border-bottom: 1px solid #212125;
+}
+.check-wordmark {
+ font-size: 1rem;
+ font-weight: 600;
+ letter-spacing: -.025em;
+}
+.check-wordmark span {
+ color: #55555b;
+ font-weight: 400;
+}
+.check-back {
+ color: #77777c;
+ font-size: .75rem;
+ transition: color .15s ease;
+}
+.check-back:hover { color: #f1f1f3; }
+
+/* Hero */
+.check-hero { margin-bottom: 2rem; }
+.check-hero .overline {
+ margin: 0 0 .6rem;
+ color: #69d28d;
+ font-family: "JetBrains Mono", monospace;
+ font-size: .62rem;
+ letter-spacing: .1em;
+}
+.check-hero h1 {
+ margin: 0 0 .75rem;
+ font-size: clamp(1.9rem, 4vw, 2.8rem);
+ font-weight: 500;
+ letter-spacing: -.04em;
+ line-height: .96;
+}
+.check-hero p {
+ max-width: 560px;
+ margin: 0;
+ color: #85858a;
+ font-size: .88rem;
+ line-height: 1.6;
+}
+
+/* Browser compat */
+.compat-banner {
+ display: flex;
+ align-items: center;
+ gap: .75rem;
+ padding: .75rem 1rem;
+ border-radius: 9px;
+ margin-bottom: 1.75rem;
+ font-size: .78rem;
+}
+.compat-banner.ok { border: 1px solid rgb(105 210 141 / 25%); background: rgb(105 210 141 / 7%); color: #a3e6bc; }
+.compat-banner.warn { border: 1px solid rgb(255 174 100 / 25%); background: rgb(255 174 100 / 7%); color: #ffb97a; }
+.compat-banner-dot { width: .45rem; height: .45rem; flex: 0 0 auto; border-radius: 50%; }
+.compat-banner.ok .compat-banner-dot { background: #69d28d; box-shadow: 0 0 0 3px rgb(105 210 141 / 15%); }
+.compat-banner.warn .compat-banner-dot { background: #ffb97a; }
+
+/* Scan button */
+.scan-row {
+ display: flex;
+ align-items: center;
+ gap: .75rem;
+ margin-bottom: 2rem;
+}
+.scan-button {
+ padding: .7rem 1.25rem;
+ border: 1px solid #69d28d;
+ border-radius: 9px;
+ background: #69d28d;
+ color: #07120b;
+ font-size: .8rem;
+ font-weight: 650;
+ transition: filter .15s ease, transform .15s ease;
+}
+.scan-button:hover { filter: brightness(1.08); transform: translateY(-1px); }
+.scan-button:disabled { cursor: wait; opacity: .6; transform: none; }
+.scan-note { color: #55555b; font-size: .72rem; }
+
+/* Empty / status */
+.check-empty {
+ padding: 3rem 0;
+ color: #55555b;
+ font-size: .82rem;
+ text-align: center;
+}
+
+/* Results */
+.results-list { display: grid; gap: .75rem; }
+
+.device-card {
+ padding: 1.1rem 1.25rem;
+ border: 1px solid #252529;
+ border-radius: 12px;
+ background: #111113;
+}
+.device-card-head {
+ display: flex;
+ align-items: flex-start;
+ justify-content: space-between;
+ gap: 1rem;
+ margin-bottom: .9rem;
+}
+.device-card-identity strong {
+ display: block;
+ margin-bottom: .25rem;
+ font-size: .9rem;
+ font-weight: 550;
+}
+.device-card-identity small {
+ color: #55555b;
+ font-family: "JetBrains Mono", monospace;
+ font-size: .6rem;
+ letter-spacing: .05em;
+}
+.verdict-badge {
+ flex: 0 0 auto;
+ padding: .22rem .55rem;
+ border-radius: 999px;
+ font-family: "JetBrains Mono", monospace;
+ font-size: .58rem;
+ font-weight: 700;
+ letter-spacing: .07em;
+ white-space: nowrap;
+}
+.verdict-full { border: 1px solid rgb(105 210 141 / 30%); background: rgb(105 210 141 / 10%); color: #69d28d; }
+.verdict-partial { border: 1px solid rgb(255 210 100 / 30%); background: rgb(255 210 100 / 8%); color: #ffd264; }
+.verdict-limited { border: 1px solid rgb(255 174 100 / 30%); background: rgb(255 174 100 / 8%); color: #ffb97a; }
+.verdict-blocked { border: 1px solid rgb(255 110 110 / 25%); background: rgb(255 110 110 / 8%); color: #ff8e8e; }
+.verdict-unknown { border: 1px solid #2f2f34; background: #161618; color: #77777c; }
+
+/* Interfaces table */
+.iface-section {
+ margin-top: .75rem;
+ padding-top: .75rem;
+ border-top: 1px solid #1e1e22;
+}
+.iface-label {
+ margin-bottom: .45rem;
+ color: #55555b;
+ font-family: "JetBrains Mono", monospace;
+ font-size: .58rem;
+ letter-spacing: .09em;
+}
+.iface-row {
+ display: flex;
+ align-items: center;
+ gap: .65rem;
+ padding: .38rem 0;
+ border-bottom: 1px solid #1a1a1e;
+ color: #b3b3b7;
+ font-size: .72rem;
+}
+.iface-row:last-child { border-bottom: 0; }
+.iface-page {
+ flex: 0 0 auto;
+ min-width: 110px;
+ color: #77777c;
+ font-family: "JetBrains Mono", monospace;
+ font-size: .62rem;
+}
+.iface-type { flex: 1; }
+.iface-reports {
+ color: #4d4d52;
+ font-family: "JetBrains Mono", monospace;
+ font-size: .6rem;
+}
+
+/* TX test results (Razer) */
+.tx-section {
+ margin-top: .75rem;
+ padding-top: .75rem;
+ border-top: 1px solid #1e1e22;
+}
+.tx-label {
+ margin-bottom: .5rem;
+ color: #55555b;
+ font-family: "JetBrains Mono", monospace;
+ font-size: .58rem;
+ letter-spacing: .09em;
+}
+.tx-row {
+ display: flex;
+ align-items: center;
+ gap: .75rem;
+ padding: .3rem 0;
+ font-size: .72rem;
+}
+.tx-id {
+ min-width: 36px;
+ font-family: "JetBrains Mono", monospace;
+ font-size: .65rem;
+ font-weight: 500;
+}
+.tx-ok { color: #69d28d; }
+.tx-fail { color: #4d4d52; }
+.tx-fw { margin-left: auto; color: #55555b; font-family: "JetBrains Mono", monospace; font-size: .62rem; }
+
+/* Open result */
+.open-result {
+ display: flex;
+ align-items: center;
+ gap: .5rem;
+ margin-top: .65rem;
+ padding: .45rem .65rem;
+ border-radius: 7px;
+ background: #0d0d0f;
+ color: #77777c;
+ font-size: .7rem;
+}
+.open-result.ok { color: #a3e6bc; }
+.open-result.err { color: #ff8e8e; }
+.open-dot {
+ width: .35rem;
+ height: .35rem;
+ flex: 0 0 auto;
+ border-radius: 50%;
+ background: currentColor;
+}
+
+/* Copy section */
+.copy-section {
+ display: flex;
+ align-items: center;
+ justify-content: space-between;
+ gap: 1rem;
+ margin-top: 1.75rem;
+ padding-top: 1.25rem;
+ border-top: 1px solid #1a1a1e;
+}
+.copy-section p {
+ margin: 0;
+ color: #55555b;
+ font-size: .72rem;
+}
+.copy-button {
+ padding: .55rem .9rem;
+ border: 1px solid #2f2f34;
+ border-radius: 8px;
+ background: #161618;
+ color: #c5c5c9;
+ font-size: .72rem;
+ font-weight: 550;
+ transition: border-color .15s ease, color .15s ease;
+}
+.copy-button:hover { border-color: #55555b; color: #f1f1f3; }
+.copy-button.copied { border-color: rgb(105 210 141 / 40%); color: #69d28d; }
+
+/* Scanning indicator */
+.scanning-state {
+ padding: 2rem 0;
+ color: #55555b;
+ font-size: .78rem;
+ text-align: center;
+ animation: pulse 1.4s ease-in-out infinite;
+}
+@keyframes pulse {
+ 0%, 100% { opacity: .5; }
+ 50% { opacity: 1; }
+}
+
+/* Section count */
+.results-heading {
+ display: flex;
+ align-items: center;
+ justify-content: space-between;
+ margin-bottom: 1rem;
+}
+.results-heading span {
+ color: #55555b;
+ font-family: "JetBrains Mono", monospace;
+ font-size: .62rem;
+ letter-spacing: .08em;
+}
+
+@media (max-width: 600px) {
+ .check-shell { padding: 1.25rem 0 3rem; }
+ .device-card-head { flex-direction: column; gap: .5rem; }
+ .copy-section { flex-direction: column; align-items: flex-start; }
+}