diff -ru -x index.html -x tests tree/src/page.html mod/src/page.html
--- tree/src/page.html	2026-10-16 09:40:20.000000000 -0300
+++ mod/src/page.html	2026-11-02 19:59:51.077034547 -0300
@@ -1,5 +1,5 @@
 <!doctype html>
-<html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1,viewport-fit=cover"><meta name="theme-color" content="#244a00"><title>Space Trader Classic</title><link rel="icon" type="image/svg+xml" href="/*FAVICON*/"><style>/*STYLE*/</style></head>
+<html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1,viewport-fit=cover"><meta http-equiv="Content-Security-Policy" content="default-src 'none'; script-src 'unsafe-inline'; style-src 'unsafe-inline'; img-src data: blob:; font-src data:; connect-src 'none'; form-action 'none'; base-uri 'none'"><meta name="theme-color" content="#244a00"><title>Space Trader Classic</title><link rel="icon" type="image/svg+xml" href="/*FAVICON*/"><style>/*STYLE*/</style></head>
 <body><main class="app">
 <header class="command-bar"><button id="screen-title" class="screen-title" data-menu-open aria-haspopup="menu">Space Trader</button><nav id="game-tabs" class="tabs" aria-label="Shortcuts"></nav><button id="encounter-help" class="info-button" data-context-help aria-label="Help for current screen">i</button><div id="menu-bar" class="menu-bar" hidden></div></header><details id="command-menu" hidden><summary>Command</summary><nav aria-label="Command"><button data-tab="info">System information</button><button data-tab="buy">Buy cargo</button><button data-tab="sell">Sell cargo</button><button data-tab="yard">Shipyard</button><button data-tab="equipment" data-equipment-mode="buy">Buy Equipment</button><button data-tab="equipment" data-equipment-mode="sell">Sell Equipment</button><button data-tab="crew">Crew</button><button data-tab="bank">Bank</button><button data-tab="ship">Ship</button><button data-tab="status">Commander status</button><button data-tab="quests">Quests</button><button data-tab="chart" data-map-mode="galaxy">Galactic Chart</button><button data-tab="chart" data-map-mode="local">Short Range Chart</button><button data-tab="log">Journal</button></nav></details><details id="game-menu" hidden><summary>Game</summary><div class="game-menu-body"><div class="release-note">Space Trader <span id="release-version">v/*APPVERSION*/</span> · <span id="save-summary">Saved locally</span></div><div class="toolbar"><label for="commander-name">Commander <input id="commander-name" maxlength="30" value="Commander"></label><label for="difficulty">Difficulty <select id="difficulty" aria-label="Difficulty for next new game"><option value="0">Beginner</option><option value="1">Easy</option><option value="2" selected>Normal</option><option value="3">Hard</option><option value="4">Impossible</option></select></label><label for="galaxy-seed">Galaxy seed <input id="galaxy-seed" type="text" inputmode="numeric" placeholder="Random" aria-label="Galaxy seed for next new game"></label><label><input id="random-quests" type="checkbox"> Random quest destinations</label><button id="new-game">New game</button><button id="export-save">Export save</button><button id="import-save">Import save</button><button data-retire>Retire</button><button data-high-scores>High scores</button><button data-options>Options</button><button data-route-tools>Route tools</button><button data-about>About / help</button><input id="save-file" type="file" accept=".json,application/json" aria-label="Import saved game"></div></div></details>
 <div class="dock-line"><span id="journey-status"></span><span id="build-version" aria-label="Game build">v20</span><span id="day"></span></div>
diff -ru -x index.html -x tests tree/src/ui.js mod/src/ui.js
--- tree/src/ui.js	2026-10-16 09:40:20.000000000 -0300
+++ mod/src/ui.js	2026-11-02 19:59:51.077704894 -0300
@@ -479,7 +479,7 @@
    render();
  }
  // AboutDialog (dialog_about.xml); the .about-port block below the original text describes this port and is not in the original. The Play Store "Rate/Review" link is omitted: it reviews the Android app, not this port.
- function aboutDialog(){return `<section class="panel dialog native-about"><h2>${esc(D.text.dialog_about)}</h2><p class="about-title"><img src="${ASSETS.ic_launcher}" alt="">${esc(D.text.dialog_about_title.replace('%1$s',D.text.app_name).replace('%2$s','1.3.5'))}</p><p>${esc(D.text.dialog_about_author)}</p><p>${esc(D.text.dialog_about_author2||'Palm OS version copyright \u00a9 2000\u20132002 by Pieter Spronck')}</p><p>${esc(D.text.dialog_about_images)}</p><p>${esc(D.text.dialog_about_license)}</p><p><a href="${esc(D.text.dialog_about_url)}" target="_blank" rel="noopener">${esc(D.text.dialog_about_url)}</a></p><div class="about-port"><p class="about-port-title">Space Trader Classic /*APPVERSION*/</p><p>An unofficial web port of Russell Wolf's Android version 1.3.5 by lunchwine, also under the GPL. It aims to play exactly the same, adding only save import/export and following the system's light/dark setting.</p><p><a href="https://github.com/lunchwine/space-trader-classic" target="_blank" rel="noopener">github.com/lunchwine/space-trader-classic</a></p></div><div class="native-buttons"><button data-close-overlay>${esc(D.text.generic_ok)}</button></div></section>`;}
+ function aboutDialog(){return `<section class="panel dialog native-about"><h2>${esc(D.text.dialog_about)}</h2><p class="about-title"><img src="${ASSETS.ic_launcher}" alt="">${esc(D.text.dialog_about_title.replace('%1$s',D.text.app_name).replace('%2$s','1.3.5'))}</p><p>${esc(D.text.dialog_about_author)}</p><p>${esc(D.text.dialog_about_author2||'Palm OS version copyright \u00a9 2000\u20132002 by Pieter Spronck')}</p><p>${esc(D.text.dialog_about_images)}</p><p>${esc(D.text.dialog_about_license)}</p><p>${esc(D.text.dialog_about_url)}</p><div class="about-port"><p class="about-port-title">Space Trader Classic /*APPVERSION*/</p><p>An unofficial web port of Russell Wolf's Android version 1.3.5 by lunchwine, also under the GPL. It aims to play exactly the same, adding only save import/export and following the system's light/dark setting.</p><p>github.com/lunchwine/space-trader-classic</p></div><div class="native-buttons"><button data-close-overlay>${esc(D.text.generic_ok)}</button></div></section>`;}
  function shortcutsDialog(){return `<section class="panel dialog shortcuts-dialog"><h2>${esc(D.text.dialog_shortcut_title)}</h2><p class="native-prompt">${esc(D.text.dialog_shortcut_prompt)}</p>${shortcuts.map((id,i)=>`<label class="native-label" for="shortcut-${i}">${esc(D.text['dialog_shortcut_'+(i+1)])}</label><select id="shortcut-${i}" class="native-spinner" data-shortcut-slot="${i}">${commands.map(([c,k])=>`<option value="${c}" ${c===id?'selected':''}>${k} ${D.text.dialog_shortcut_spacer} ${esc(D.text['shortcut_spinner_'+c])}</option>`).join('')}</select>`).join('')}<div class="native-buttons"><button data-close-overlay>${esc(D.text.generic_ok)}</button></div></section>`;}
 
  function titleScreen(){return `<section class="title-screen"><h2>Space Trader</h2><div class="title-art"><button data-start-commander aria-label="Start new commander"><img src="${ASSETS.title}" alt="Original Space Trader title artwork"></button><div class="title-version">Space Trader Classic v/*APPVERSION*/</div></div></section>`;}