diff --git a/app/templates/login.html b/app/templates/login.html
index bf574c8..b1f25a3 100644
--- a/app/templates/login.html
+++ b/app/templates/login.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
-<html lang="fr" data-theme="dark">
+<html lang="fr">
 <head>
     <meta charset="UTF-8">
+    <script>try{var t=localStorage.getItem("kanbante-theme");document.documentElement.setAttribute("data-theme",t==="light"?"light":"dark");}catch(e){document.documentElement.setAttribute("data-theme","dark");}</script>
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <meta name="csrf-token" content="{{ csrf_token }}">
     <title>Connexion — Kanbante</title>
@@ -11,12 +12,12 @@
     <main class="login-wrap">
         <section class="login-card">
             <div class="login-brand">
-                <span class="login-mark" aria-hidden="true">📋</span>
+                <span class="login-mark" aria-hidden="true"><svg viewBox="0 0 24 24" fill="#fff" aria-hidden="true" style="width:20px;height:20px;display:block"><rect x="3" y="4" width="5" height="16" rx="1"/><rect x="9.5" y="4" width="5" height="10" rx="1"/><rect x="16" y="4" width="5" height="13" rx="1"/></svg></span>
                 <h1>Kanbante</h1>
                 <p class="login-sub">Pilotage de projets, adossé à votre Gitea</p>
             </div>
             {% if error %}
-            <p class="login-error" role="alert">⚠️ {{ error }}</p>
+            <p class="login-error" role="alert">{{ error }}</p>
             {% endif %}
             <form method="post" action="/login" class="login-form">
                 <input type="hidden" name="csrf_token" value="{{ csrf_token }}">