added full screen

Author: lnsy-dev

index.css

@@ -297,6 +297,25 @@ body {
   font-style: italic;
 }
 
+.fullscreen-button {
+  position: fixed;
+  top: 1rem;
+  right: 1rem;
+  background: transparent;
+  color: rgba(128, 128, 128, 0.6);
+  border: none;
+  border-radius: 6px;
+  padding: 0.75rem;
+  cursor: pointer;
+  font-size: 1.2rem;
+  z-index: 100;
+  transition: all 0.3s ease;
+}
+
+.fullscreen-button:hover {
+  color: rgba(128, 128, 128, 1);
+}
+
 /* Focus styles for accessibility */
 button:focus,
 input:focus {

src/pomodoro-timer.js

@@ -16,6 +16,7 @@ class PomodoroTimer extends DataroomElement {
 
     // Render immediately
     this.renderStartScreen();
+    this.addFullscreenButton();
   }
 
   async loadPlaylists() {
@@ -385,6 +386,23 @@ class PomodoroTimer extends DataroomElement {
     const remainingSeconds = seconds % 60;
     return `${minutes.toString().padStart(2, '0')}:${remainingSeconds.toString().padStart(2, '0')}`;
   }
+
+  addFullscreenButton() {
+    const button = document.createElement('button');
+    button.className = 'fullscreen-button';
+    button.innerHTML = '⛶';
+    button.title = 'Toggle Fullscreen';
+    button.addEventListener('click', () => this.toggleFullscreen());
+    document.body.appendChild(button);
+  }
+
+  toggleFullscreen() {
+    if (!document.fullscreenElement) {
+      document.documentElement.requestFullscreen();
+    } else {
+      document.exitFullscreen();
+    }
+  }
 }
 
 if (!customElements.get('pomodoro-timer')) {