#glucolite-container { max-width:720px; margin:auto; padding:10px; font-family:Arial; background:#f8f8f8; border:1px solid #ccc; }
#glucolite-container h2 { text-align:center; }
#glucolite-video, #glucolite-chart { width:100%; border-radius:6px; }
#glucolite-controls, #glucolite-data, #glucolite-ref, #glucolite-export { margin:10px 0; }
label, select, input, button { display:block; width:100%; margin:4px 0; padding:6px; }
.metric-label { font-weight:bold; }
.metric-value { font-size:1.2em; color:#007799; }