diff --git a/app/templates/qualys_agent_audit.html b/app/templates/qualys_agent_audit.html
index 12244a3..bd1c63b 100644
--- a/app/templates/qualys_agent_audit.html
+++ b/app/templates/qualys_agent_audit.html
@@ -99,8 +99,29 @@
 <!-- Espace disque -->
 <div class="card p-4 mb-4">
     <h3 class="text-sm font-bold text-cyber-accent mb-2">Espace disque</h3>
-    <pre style="background:#0b0f1a;color:#e5e7eb;padding:10px;border-radius:4px;font-size:11px;overflow-x:auto;white-space:pre-wrap">{{ audit.disk_space or '(vide)' }}</pre>
+    <pre id="disk-pre" style="background:#0b0f1a;color:#e5e7eb;padding:10px;border-radius:4px;font-size:11px;overflow-x:auto;white-space:pre-wrap">{{ audit.disk_space or '(vide)' }}</pre>
 </div>
+<script>
+(function(){
+    var pre = document.getElementById('disk-pre');
+    if(!pre) return;
+    var lines = pre.textContent.split('\n');
+    var html = lines.map(function(l){
+        var m = l.match(/\s(\d{2,3})%\s/);
+        if(m){
+            var pct = parseInt(m[1]);
+            var esc = l.replace(/[&<>]/g, function(c){return {'&':'&amp;','<':'&lt;','>':'&gt;'}[c];});
+            if(pct >= 90){
+                return '<span style="color:#ef4444;font-weight:bold">' + esc + '</span>';
+            } else if(pct >= 75){
+                return '<span style="color:#f59e0b">' + esc + '</span>';
+            }
+        }
+        return l.replace(/[&<>]/g, function(c){return {'&':'&amp;','<':'&lt;','>':'&gt;'}[c];});
+    }).join('\n');
+    pre.innerHTML = html;
+})();
+</script>
 
 <!-- Connectivité console Qualys -->
 <div class="card p-4 mb-4">