.app-tooltip {
    position: fixed;
    left: 0;
    top: 0;
    transform: translate(-50%, calc(-100% - 0.35rem));
    padding: 0.28rem 0.48rem;
    border-radius: 0.35rem;
    font-size: 0.68rem;
    font-weight: 600;
    line-height: 1;
    white-space: nowrap;
    pointer-events: none;
    z-index: 2100;
    opacity: 0;
    transition: opacity 0.16s ease, transform 0.16s ease;
    color: var(--pico-primary-inverse);
    background: color-mix(in srgb, var(--pico-color) 88%, transparent);
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.22);
}

.app-tooltip[data-placement="bottom"] {
    transform: translate(-50%, 0.35rem);
}

.app-tooltip.is-visible {
    opacity: 1;
}

[data-theme="dark"] .app-tooltip {
    color: #fff;
    background: rgba(10, 13, 20, 0.94);
}