.hud {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    color: #fff;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    padding: 10px;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(4px);
}

.hud h1 {
    font-size: 14px;
    margin: 0 0 6px;
    font-weight: 700;
}

.row {
    display: grid;
    grid-template-columns: 90px 1fr 80px;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
}

.row label {
    font-size: 12px;
    opacity: 0.9;
}

.row input[type="range"] {
    width: 100%;
}

.btns {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 8px;
}

button {
    appearance: none;
    border: 1px solid rgba(255, 255, 255, 0.25);
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    padding: 6px 10px;
    border-radius: 10px;
    font-size: 12px;
}

.pill {
    border-radius: 999px;
}

.stat {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 6px 10px;
    color: #fff;
    font-size: 12px;
    background: linear-gradient(180deg,
            rgba(0, 0, 0, 0.6),
            rgba(0, 0, 0, 0));
}

.tag {
    background: rgba(255, 255, 255, 0.1);
    padding: 2px 6px;
    border-radius: 8px;
    font-variant-numeric: tabular-nums;
}

.fab {
    position: fixed;
    right: 12px;
    bottom: 180px;
    z-index: 9;
    display: grid;
    gap: 8px;
}

.fab button {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-weight: 700;
}

.toast {
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
    bottom: 150px;
    background: rgba(0, 0, 0, 0.75);
    color: #fff;
    padding: 8px 12px;
    border-radius: 12px;
    font-size: 12px;
    display: none;
}