Theme rework: polish dark mode and previews

Refine mobile nav layout, improve dark theme UI polish, and update README previews with light/dark variants.

public/picks.html

@@ -4,6 +4,7 @@
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>Pool Oscars - Mes picks</title>
+  <script src="./js/app_theme.js"></script>
   <link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet">
   <link href="./css/app.css" rel="stylesheet">
   <link rel="preload" as="image" href="img/logo_w.png">
@@ -121,9 +122,10 @@
 
 <nav class="navbar navbar-expand-lg navbar-custom">
   <div class="container">
-    <a class="navbar-brand" style="margin-left: -7px;" href="movies.html">
+    <a class="navbar-brand" href="movies.html">
       <img src="img/logo_w.png" width="220" height="70" loading="eager" fetchpriority="high" decoding="async" style="max-width: 220px; height: 70px; object-fit: contain;">
     </a>
+    <span class="navbar-text ms-auto me-2 d-lg-none navbar-user-name-mobile" data-user-name></span>
     <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
       <span class="navbar-toggler-icon"></span>
     </button>
@@ -135,15 +137,36 @@
         <a href="picks.html" class="nav-link btn btn-outline-light me-2" id="nav-link-picks" style="display: none;">Mes picks</a>
         <a id="admin-control-link" href="control.html" class="nav-link btn btn-warning me-2 d-none">Admin</a>
       </div>
-      <div class="d-flex ms-auto mt-2 mt-lg-0 align-items-center">
-        <span id="user-name" class="navbar-text me-3"></span>
+      <div class="d-flex ms-auto mt-2 mt-lg-0 align-items-center gap-2 navbar-user">
+        <span id="user-name" class="navbar-text" data-user-name></span>
+        <button class="theme-toggle" type="button" data-theme-toggle role="switch" aria-checked="false" aria-label="Basculer le mode sombre">
+          <span class="theme-toggle-icon theme-toggle-icon-sun" aria-hidden="true">
+            <svg viewBox="0 0 24 24" width="16" height="16" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round">
+              <circle cx="12" cy="12" r="4"></circle>
+              <path d="M12 2v2"></path>
+              <path d="M12 20v2"></path>
+              <path d="M4.93 4.93l1.41 1.41"></path>
+              <path d="M17.66 17.66l1.41 1.41"></path>
+              <path d="M2 12h2"></path>
+              <path d="M20 12h2"></path>
+              <path d="M4.93 19.07l1.41-1.41"></path>
+              <path d="M17.66 6.34l1.41-1.41"></path>
+            </svg>
+          </span>
+          <span class="theme-toggle-thumb" aria-hidden="true"></span>
+          <span class="theme-toggle-icon theme-toggle-icon-moon" aria-hidden="true">
+            <svg viewBox="0 0 24 24" width="16" height="16" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" stroke-linejoin="round">
+              <path d="M21 12.8A9 9 0 1 1 11.2 3a7 7 0 0 0 9.8 9.8z"></path>
+            </svg>
+          </span>
+        </button>
         <button id="log-off" class="btn btn-danger">Déconnexion</button>
       </div>
     </div>
   </div>
 </nav>
 
-<div class="container mt-5 pb-5">
+<div class="container mt-4 pb-5">
   <h2>Mes picks Oscars</h2>
   
   <div id="alert-container"></div>
@@ -241,8 +264,15 @@
   </div>
 </div>
 
+<!-- Footer Section  -->
+<footer>
+  <p id="footer-copy">Oscar Pool <span aria-hidden="true">·</span> <a id="copy" href="https://github.com/quoije/oscars-pool">quoije</a></p>
+  <p id="footer-text"></p>
+</footer>
+
 <script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.js"></script>
 <script src="./js/app_picks.js"></script>
+<script src="./js/app_version.js"></script>
 
 </body>
 </html>