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Use window.innerHeight for mobile viewport height on Chrome Android

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Set --app-height CSS custom property from window.innerHeight via JS,
which is the only reliable way to get the actual visible viewport on
Chrome Android. Falls back to 100vh if JS hasn't loaded.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
adlee-was-taken 2026-02-22 14:28:58 -05:00
parent 097f241c6f
commit 7dc27fe882
2 changed files with 16 additions and 9 deletions
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10
client/app.js
View File

@ -90,10 +90,20 @@ class GolfGame {
}
initMobileDetection() {
// Set --app-height custom property to actual visible viewport height.
// This works around Chrome Android's 100vh bug where vh includes the
// space behind the dynamic URL bar.
const setAppHeight = () => {
document.documentElement.style.setProperty('--app-height', `${window.innerHeight}px`);
};
window.addEventListener('resize', setAppHeight);
setAppHeight();
const mql = window.matchMedia('(max-width: 500px) and (orientation: portrait)');
const update = (e) => {
this.isMobile = e.matches;
document.body.classList.toggle('mobile-portrait', e.matches);
setAppHeight();
// Close any open drawers on layout change
if (!e.matches) {
this.closeDrawers();

15
client/style.css
View File

@ -4906,9 +4906,7 @@ body.screen-shake {
}
body.mobile-portrait {
height: 100vh;
height: -webkit-fill-available;
height: 100dvh;
height: var(--app-height, 100vh);
overflow: hidden;
overscroll-behavior: contain;
touch-action: manipulation;
@ -4916,19 +4914,18 @@ body.mobile-portrait {
body.mobile-portrait #app {
padding: 0;
height: 100%;
height: var(--app-height, 100vh);
overflow: hidden;
}
/* --- Mobile: Game screen fills viewport --- */
/* IMPORTANT: Must include .active to avoid overriding .screen { display: none } */
body.mobile-portrait #game-screen.active {
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
height: var(--app-height, 100vh);
max-height: var(--app-height, 100vh);
overflow: hidden;
margin-left: 0;
width: 100%;
display: flex;
flex-direction: column;
}