body{background:#f4f7fb;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.navbar{box-shadow:0 1px 8px rgba(0,0,0,.06)}.card{border:0;border-radius:18px;box-shadow:0 10px 30px rgba(18,38,63,.06)}.stat{font-size:1.8rem;font-weight:800}.qr-box{min-height:390px;display:flex;align-items:center;justify-content:center;background:#fff;border-radius:20px}.qr-box img{max-width:320px;width:100%;image-rendering:auto}.status-dot{width:10px;height:10px;border-radius:50%;display:inline-block;background:#adb5bd}.status-dot.live{background:#20c997}.timer{font-variant-numeric:tabular-nums;font-weight:800}