diff --git a/app/templates/_header.html b/app/templates/_header.html
index bb10f81..d1e91e3 100644
--- a/app/templates/_header.html
+++ b/app/templates/_header.html
@@ -21,38 +21,38 @@
    Le wallboard (TV) n'inclut pas ce partiel, volontairement. #}
 {% set nav_groups = [
     ("principal", "Principal", [
-        ("home", "/", "🏠", "Projets"),
-        ("focus", "/focus", "🎯", "Focus"),
-        ("today", "/today", "🌅", "Aujourd'hui"),
-        ("my", "/my", "👤", "Mes issues"),
+        ("home", "/", "", "Projets"),
+        ("focus", "/focus", "", "Focus"),
+        ("today", "/today", "", "Aujourd'hui"),
+        ("my", "/my", "", "Mes issues"),
     ]),
     ("rituels", "Rituels", [
-        ("briefing", "/briefing", "📊", "Briefing"),
-        ("standup", "/standup", "🗣️", "Standup"),
-        ("digest", "/digest", "🧠", "Digest"),
+        ("briefing", "/briefing", "", "Briefing"),
+        ("standup", "/standup", "", "Standup"),
+        ("digest", "/digest", "", "Digest"),
     ]),
     ("pilotage", "Pilotage", [
-        ("inflight", "/inflight", "🛩️", "En vol"),
-        ("forecast", "/forecast", "🔮", "Prévisions"),
-        ("health", "/health", "🩺", "Santé"),
-        ("rules", "/rules", "⚙️", "Règles"),
-        ("activity", "/activity", "📰", "Activité"),
+        ("inflight", "/inflight", "", "En vol"),
+        ("forecast", "/forecast", "", "Prévisions"),
+        ("health", "/health", "", "Santé"),
+        ("rules", "/rules", "", "Règles"),
+        ("activity", "/activity", "", "Activité"),
     ]),
     ("outils", "Outils", [
         ("search", "/search", "", "Recherche"),
-        ("capture", "/capture", "⚡", "Capture"),
-        ("archives", "/archives", "🗄️", "Archives"),
-        ("wall", "/wall", "🖥️", "Wallboard"),
+        ("capture", "/capture", "", "Capture"),
+        ("archives", "/archives", "", "Archives"),
+        ("wall", "/wall", "", "Wallboard"),
     ]),
 ] %}
 {% if is_admin %}
 {% set nav_groups = nav_groups + [
     ("admin", "Administration", [
-        ("admin", "/admin", "🛠️", "Vue d'ensemble"),
-        ("admin_connections", "/admin/connections", "🔌", "Connexions"),
-        ("admin_workspaces", "/admin/workspaces", "🧭", "Espaces"),
-        ("admin_columns", "/admin/columns", "🧱", "Colonnes"),
-        ("admin_settings", "/admin/settings", "🎛️", "Paramètres"),
+        ("admin", "/admin", "", "Vue d'ensemble"),
+        ("admin_connections", "/admin/connections", "", "Connexions"),
+        ("admin_workspaces", "/admin/workspaces", "", "Espaces"),
+        ("admin_columns", "/admin/columns", "", "Colonnes"),
+        ("admin_settings", "/admin/settings", "", "Paramètres"),
     ]),
 ] %}
 {% endif %}
@@ -127,7 +127,7 @@
                     {% endfor %}
                     {% if gkey == 'admin' %}
                     <button type="button" class="side-link theme-toggle-link" id="theme-toggle" title="Basculer entre thème sombre et clair" aria-label="Basculer entre thème sombre et clair">
-                        <span class="side-ico" data-theme-ico>☀️</span>
+                        <span class="side-ico" data-theme-ico>☀</span>
                         <span class="side-label" data-theme-label>Mode clair</span>
                     </button>
                     {% endif %}
@@ -138,14 +138,14 @@
     </nav>
     <div class="side-foot">
         {% if data_freshness %}
-        <span class="side-fresh side-label" title="Dernière actualisation des données Gitea (instantanés d'arrière-plan)">🕐 {{ data_freshness }}</span>
+        <span class="side-fresh side-label" title="Dernière actualisation des données Gitea (instantanés d'arrière-plan)">{{ data_freshness }}</span>
         {% endif %}
         {% if current_user %}
-        <a href="/profile" class="side-logout" title="Mon profil">👤<span class="side-label"> {{ current_user.display_name or current_user.username }}</span></a>
+        <a href="/profile" class="side-logout" title="Mon profil"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.8" stroke-linecap="round" aria-hidden="true" style="width:18px;height:18px;display:inline-block;vertical-align:-3px"><circle cx="12" cy="8" r="3.5"/><path d="M4 20c0-3.5 3.5-5.5 8-5.5s8 2 8 5.5"/></svg><span class="side-label"> {{ current_user.display_name or current_user.username }}</span></a>
         {% endif %}
         <span class="side-version side-label">v{{ version }}</span>
         {% if not is_admin %}
-        <button type="button" class="theme-toggle-foot" id="theme-toggle" title="Basculer entre thème sombre et clair" aria-label="Basculer entre thème sombre et clair"><span data-theme-ico>☀️</span></button>
+        <button type="button" class="theme-toggle-foot" id="theme-toggle" title="Basculer entre thème sombre et clair" aria-label="Basculer entre thème sombre et clair"><span data-theme-ico>☀</span></button>
         {% endif %}
         {% if auth_enabled %}
         <a href="/logout" class="side-logout" title="Se déconnecter">⏻<span class="side-label"> Sortir</span></a>
@@ -162,7 +162,7 @@
     {% endif %}
     <div class="header-actions">
         {% if repo_info is defined and repo_info and repo_info.html_url %}
-        <a href="{{ repo_info.html_url }}" target="_blank" rel="noopener" class="nav-pill" title="Ouvrir ce dépôt dans Gitea">🔗 Gitea ↗</a>
+        <a href="{{ repo_info.html_url }}" target="_blank" rel="noopener" class="nav-pill" title="Ouvrir ce dépôt dans Gitea">Gitea ↗</a>
         {% endif %}
     </div>
     <script src="/static/js/nav.js?v={{ version }}" defer></script>