🎤 Voz + ⌨️ Atalhos: Ctrl+N/F/K, Escape, microfone com Web Speech API

public/style.css

@@ -1192,6 +1192,43 @@ code {
   height: 16px;
 }
 
+/* Botão de voz (microfone) */
+.btn-voice {
+  background: none !important;
+  border: none !important;
+  color: var(--text-muted) !important;
+  border-radius: 50% !important;
+  width: 32px !important;
+  height: 32px !important;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  cursor: pointer;
+  flex-shrink: 0;
+  transition: color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
+  padding: 0 !important;
+}
+
+.btn-voice svg {
+  width: 18px;
+  height: 18px;
+}
+
+.btn-voice:hover {
+  color: var(--text-primary) !important;
+  transform: scale(1.05);
+}
+
+.btn-voice.listening {
+  color: #ef4444 !important;
+  animation: pulse-voice 1.5s ease-in-out infinite;
+}
+
+@keyframes pulse-voice {
+  0%, 100% { transform: scale(1); opacity: 1; }
+  50% { transform: scale(1.15); opacity: 0.8; }
+}
+
 .disclaimer {
   font-size: 11px;
   color: var(--text-muted);