diff --git a/frontend/templates/admin/print.html b/frontend/templates/admin/print.html
index 7cfc59d..2257879 100644
--- a/frontend/templates/admin/print.html
+++ b/frontend/templates/admin/print.html
@@ -128,14 +128,14 @@
         </div>
 
         <div class="printer-states">
-          <span class="badge-printer bs-{{ p.state }}">
+          <span class="badge-printer badge-state bs-{{ p.state }}">
             {% if p.state == 'idle' %}✅ Disponible
             {% elif p.state == 'printing' %}🖨 En impression
             {% elif p.state == 'disabled' %}⏸ Désactivée
             {% elif p.state == 'offline' %}❌ Hors ligne
             {% else %}❓ {{ p.state }}{% endif %}
           </span>
-          <span class="badge-printer {{ 'bs-accept' if p.accepting else 'bs-reject' }}">
+          <span class="badge-printer badge-accept {{ 'bs-accept' if p.accepting else 'bs-reject' }}">
             {{ '✓ Accepte les jobs' if p.accepting else '✗ Refuse les jobs' }}
           </span>
           {% if p.jobs_count %}
@@ -151,15 +151,15 @@
         </div>
 
         <!-- Erreurs / raisons CUPS -->
+        <div class="printer-reasons" style="display:flex;flex-direction:column;gap:.3rem">
         {% if p.reasons %}
-        <div style="display:flex;flex-direction:column;gap:.3rem">
           {% for reason in p.reasons %}
           <div style="background:rgba(192,0,0,.12);border:1px solid rgba(192,0,0,.25);border-radius:6px;padding:.3rem .65rem;font-size:.82rem;color:#e05050">
             {{ reason }}
           </div>
           {% endfor %}
-        </div>
         {% endif %}
+        </div>
 
         <!-- Niveaux encre/ruban -->
         {% if p.markers %}
@@ -344,27 +344,76 @@ document.querySelectorAll('input[name="print-mode"]').forEach(r => {
 });
 
 // ── Imprimantes ────────────────────────────────────────────────────────────────
+const STATE_LABELS = {
+  idle:     '✅ Disponible',
+  printing: '🖨 En impression',
+  disabled: '⏸ Désactivée',
+  offline:  '❌ Hors ligne',
+  error:    '❌ Erreur',
+  unknown:  '❓ Inconnu',
+};
+const STATE_CLASSES = {
+  idle: 'bs-idle', printing: 'bs-printing', disabled: 'bs-disabled',
+  offline: 'bs-offline', error: 'bs-offline', unknown: 'bs-unknown',
+};
+
 async function refreshPrinters() {
   try {
     const printers = await api('GET', '/api/print/printers');
     printers.forEach(p => {
-      // Met à jour les badges et compteur de jobs
       const card = document.getElementById('pc-' + p.name);
       if (!card) return;
+
+      // Classe de la carte
       card.className = `printer-card state-${p.state}`;
-      // Actualise les jobs CUPS
+
+      // Badge état
+      const stateBadge = card.querySelector('.badge-state');
+      if (stateBadge) {
+        stateBadge.className = `badge-printer badge-state ${STATE_CLASSES[p.state] || 'bs-unknown'}`;
+        stateBadge.textContent = STATE_LABELS[p.state] || p.state;
+      }
+
+      // Badge accepting
+      const acceptBadge = card.querySelector('.badge-accept');
+      if (acceptBadge) {
+        acceptBadge.className = `badge-printer badge-accept ${p.accepting ? 'bs-accept' : 'bs-reject'}`;
+        acceptBadge.textContent = p.accepting ? '✓ Accepte les jobs' : '✗ Refuse les jobs';
+      }
+
+      // Boutons actions
+      const actionsDiv = card.querySelector('.printer-actions');
+      if (actionsDiv) {
+        actionsDiv.innerHTML = `
+          ${p.state === 'disabled'
+            ? `<button class="btn-xs btn-enable" onclick="printerAction('${p.name}','enable')">▶ Activer</button>`
+            : `<button class="btn-xs btn-disable" onclick="printerAction('${p.name}','disable')">⏸ Désactiver</button>`}
+          ${p.accepting
+            ? `<button class="btn-xs btn-reject" onclick="printerAction('${p.name}','reject')">🚫 Refuser jobs</button>`
+            : `<button class="btn-xs btn-enable" onclick="printerAction('${p.name}','enable')">✓ Accepter jobs</button>`}
+          ${p.jobs_count ? `<button class="btn-xs btn-clear" onclick="clearJobs('${p.name}')">✕ Vider file</button>` : ''}
+        `;
+      }
+
+      // Jobs CUPS
       const jobsDiv = document.getElementById('jobs-' + p.name);
       if (jobsDiv) {
-        if (p.jobs && p.jobs.length) {
-          jobsDiv.innerHTML = p.jobs.map(j => `
-            <div class="cups-job-row">
-              <span class="cups-job-id">${j.id}</span>
-              <span class="cups-job-info">${j.user} — ${j.size}</span>
-              <button class="btn-xs btn-clear" style="padding:.2rem .5rem;font-size:.75rem" onclick="cancelJob('${j.id}')">✕</button>
-            </div>`).join('');
-        } else {
-          jobsDiv.innerHTML = '<div class="cups-empty">Aucun job en cours</div>';
-        }
+        jobsDiv.innerHTML = p.jobs && p.jobs.length
+          ? p.jobs.map(j => `
+              <div class="cups-job-row">
+                <span class="cups-job-id">${j.id}</span>
+                <span class="cups-job-info">${j.user} — ${j.size}</span>
+                <button class="btn-xs btn-clear" style="padding:.2rem .5rem;font-size:.75rem" onclick="cancelJob('${j.id}')">✕</button>
+              </div>`).join('')
+          : '<div class="cups-empty">Aucun job en cours</div>';
+      }
+
+      // Erreurs/raisons
+      const reasonsDiv = card.querySelector('.printer-reasons');
+      if (reasonsDiv) {
+        reasonsDiv.innerHTML = p.reasons && p.reasons.length
+          ? p.reasons.map(r => `<div style="background:rgba(192,0,0,.12);border:1px solid rgba(192,0,0,.25);border-radius:6px;padding:.3rem .65rem;font-size:.82rem;color:#e05050">${r}</div>`).join('')
+          : '';
       }
     });
   } catch(err) {}
diff --git a/frontend/templates/admin/settings.html b/frontend/templates/admin/settings.html
index 6162915..641c755 100644
--- a/frontend/templates/admin/settings.html
+++ b/frontend/templates/admin/settings.html
@@ -807,20 +807,82 @@ async function loadBrightnessConfig() {
   }
 }
 
-function previewBrightness(val) {
+async function previewBrightness() {
+  const val = parseInt(document.getElementById('brightness-slider').value);
   document.getElementById('brightness-val').textContent = val;
+  try {
+    await api('PUT', `/api/leds/brightness?value=${val}&save=false`);
+    showToast(`👁 Aperçu luminosité : ${val}`, 'info');
+  } catch(e) {
+    showToast('Erreur aperçu : ' + e.message, 'error');
+  }
 }
 
 async function saveBrightness() {
   const val = parseInt(document.getElementById('brightness-slider').value);
   try {
     await api('PUT', `/api/leds/brightness?value=${val}`);
-    showToast(`✅ Luminosité réglée à ${val}`, 'success');
+    showToast(`✅ Luminosité ${val} sauvegardée`, 'success');
   } catch(e) {
     showToast('Erreur : ' + e.message, 'error');
   }
 }
 
+async function previewFlash() {
+  try {
+    await api('POST', '/api/leds/effect?effect=capture');
+    showToast('💡 Flash déclenché', 'info');
+  } catch(e) {
+    showToast('Erreur flash : ' + e.message, 'error');
+  }
+}
+
+async function saveFlash() {
+  const r = parseInt(document.getElementById('flash-r').value) || 255;
+  const g = parseInt(document.getElementById('flash-g').value) || 200;
+  const b = parseInt(document.getElementById('flash-b').value) || 80;
+  const duration = parseFloat(document.getElementById('flash-duration').value) || 0.3;
+  const flashes = parseInt(document.getElementById('flash-count').value) || 2;
+  try {
+    await api('PUT', `/api/leds/effect/capture?r=${r}&g=${g}&b=${b}&flash_duration=${duration}&flashes=${flashes}`);
+    showToast('✅ Flash sauvegardé', 'success');
+  } catch(e) {
+    showToast('Erreur : ' + e.message, 'error');
+  }
+}
+
+function colorPickerToRgb(hex) {
+  const r = parseInt(hex.slice(1,3), 16);
+  const g = parseInt(hex.slice(3,5), 16);
+  const b = parseInt(hex.slice(5,7), 16);
+  document.getElementById('flash-r').value = r;
+  document.getElementById('flash-g').value = g;
+  document.getElementById('flash-b').value = b;
+  document.getElementById('flash-preview').style.background = `rgb(${r},${g},${b})`;
+}
+
+async function loadFlashConfig() {
+  try {
+    const effects = await api('GET', '/api/leds/effects');
+    const cap = effects.capture;
+    if (!cap) return;
+    if (cap.color) {
+      document.getElementById('flash-r').value = cap.color[0] ?? 255;
+      document.getElementById('flash-g').value = cap.color[1] ?? 200;
+      document.getElementById('flash-b').value = cap.color[2] ?? 80;
+      document.getElementById('flash-preview').style.background =
+        `rgb(${cap.color[0]},${cap.color[1]},${cap.color[2]})`;
+    }
+    if (cap.flash_duration !== undefined) {
+      document.getElementById('flash-duration').value = cap.flash_duration;
+      document.getElementById('flash-dur-val').textContent = cap.flash_duration.toFixed(2);
+    }
+    if (cap.flashes !== undefined) {
+      document.getElementById('flash-count').value = cap.flashes;
+    }
+  } catch(e) { console.warn('loadFlashConfig:', e); }
+}
+
 async function setAutoBrightness(enabled) {
   try {
     await api('PUT', `/api/leds/auto-brightness?enabled=${enabled}`);
@@ -836,5 +898,6 @@ async function setAutoBrightness(enabled) {
 
 // ── Init ──────────────────────────────────────────────────────────────────────
 loadBrightnessConfig();
+loadFlashConfig();
 </script>
 {% endblock %}
\ No newline at end of file