.demo-back,
.demo-mode {
    position: fixed;
    z-index: 10000;
    top: 18px;
    display: inline-flex;
    align-items: center;
    min-height: 38px;
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 9px;
    background: rgba(10, 11, 13, .82);
    color: #f2f3f4;
    font-family: Inter, Arial, sans-serif;
    font-size: 12px;
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, .26);
}

.demo-back {
    left: 18px;
    gap: 10px;
    padding: 0 14px;
    text-decoration: none;
    transition: border-color .15s ease, transform .15s ease;
}

.demo-back:hover {
    border-color: #fdfd96;
    transform: translateY(-1px);
}

.demo-back span { color: #fdfd96; font-size: 16px; }

.demo-mode {
    right: 18px;
    gap: 8px;
    padding: 0 13px;
    color: #aeb3ba;
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.demo-mode i {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #fdfd96;
    box-shadow: 0 0 10px rgba(253, 253, 150, .7);
}

@media (max-width: 700px) {
    .demo-mode { display: none; }
    .demo-back { top: 10px; left: 10px; min-height: 34px; }
}