/* Canvas wrapper: responsive, keeps aspect ratio, scales perfectly */ .canvas-wrapper display: flex; justify-content: center; align-items: center; width: 100%; flex: 1 1 auto; padding: 2rem;
/* small digital time inside info bar */ .digital-time font-family: 'Courier New', 'Fira Code', monospace; font-weight: bold; font-size: 1.1rem; background: #00000066; padding: 4px 12px; border-radius: 40px; display: inline-block; letter-spacing: 1px; reloj analógico online pantalla completa
<button class="fs-toggle" id="fullscreenBtn" title="Pantalla completa / Fullscreen">⛶</button> /* Canvas wrapper: responsive, keeps aspect ratio, scales