.demo-banner { position: sticky; top: 0; z-index: 50; background: linear-gradient(90deg, #7c3aed, #db2777); color: #fff; padding: .6rem 1rem; display: flex; gap: .75rem; align-items: center; justify-content: center; flex-wrap: wrap; font-weight: 700; box-shadow: 0 2px 10px rgba(0,0,0,.15); text-align: center; }
.demo-banner small { font-weight: 500; opacity: .9; }
.demo-banner button { background: #fff; color: #7c3aed; border: 0; border-radius: 999px; padding: .35rem .9rem; font-weight: 700; cursor: pointer; }
#logout-btn, [data-op="reset-test"] { display: none !important; }