Remove background mouse pan effect

wwwroot/app.js

@@ -2,7 +2,7 @@ import { api, adminApi } from "./js/api.js";
 import { t, setLanguage, getLanguage, initI18n, onLanguageChange } from "./js/i18n.js";
 import { state, clearUserState, getSavedUsername, setSavedUsername } from "./js/state.js";
 import { $, toast } from "./js/dom.js";
-import { setupBackgroundPan, triggerCelebration } from "./js/effects.js";
+import { triggerCelebration } from "./js/effects.js";
 import {
   setAuthUI,
   setAuthMode,
@@ -28,7 +28,6 @@ import {
 } from "./js/data.js";
 
 initI18n();
-setupBackgroundPan({ maxOffsetPx: 5, ease: 0.2, scaleFactor: 1.02 });
 
 function setupHandlers() {
   const toggleAuth = $("auth-toggle");

wwwroot/js/effects.js

@@ -1,43 +1,4 @@
-import { toast } from "./dom.js";
+// Effects & helpers --------------------------------------------------
-import { t } from "./i18n.js";
-
-// Background parallax ------------------------------------------------
-export function setupBackgroundPan(config = {}) {
-    const root = document.documentElement;
-    const maxOffset = config.maxOffsetPx ?? 30;
-    const ease = config.ease ?? 0.08;
-    const scaleFactor = config.scaleFactor ?? 1.12;
-    if (scaleFactor) {
-        root.style.setProperty("--bg-scale", scaleFactor);
-    }
-    let targetX = 0;
-    let targetY = 0;
-    let currX = 0;
-    let currY = 0;
-
-    const setTarget = (x, y) => {
-        targetX = x;
-        targetY = y;
-    };
-
-    const step = () => {
-        currX += (targetX - currX) * ease;
-        currY += (targetY - currY) * ease;
-        root.style.setProperty("--bg-x", `${currX}px`);
-        root.style.setProperty("--bg-y", `${currY}px`);
-        requestAnimationFrame(step);
-    };
-
-    window.addEventListener("mousemove", (e) => {
-        const nx = (e.clientX / window.innerWidth - 0.5) * 2;
-        const ny = (e.clientY / window.innerHeight - 0.5) * 2;
-        setTarget(-nx * maxOffset, -ny * maxOffset);
-    });
-
-    window.addEventListener("mouseleave", () => setTarget(0, 0));
-    window.addEventListener("blur", () => setTarget(0, 0));
-    step();
-}
 
 // Screenshot hover ---------------------------------------------------
 export function setupCardVisualHover(el, url) {

wwwroot/styles.css

@@ -7,9 +7,6 @@
         -apple-system,
         sans-serif;
     color: #2c1c0d;
-    --bg-scale: 1.0;
-    --bg-x: 0px;
-    --bg-y: 0px;
 }
 
 html {
@@ -43,11 +40,8 @@ html {
     background-image: url("background.png");
     background-repeat: no-repeat;
     background-size: cover;
-    background-position: calc(50% + var(--bg-x)) calc(50% + var(--bg-y));
+    background-position: center;
-    transform: scale(var(--bg-scale));
-    transform-origin: center;
     z-index: -1;
-    will-change: transform, background-position;
     pointer-events: none;
 }