/* FabMenu – Floating Action Button mit aufklappbarem Menü */

.oo-fab {
    position: fixed;
    bottom: var(--oo-space-5);
    right: var(--oo-space-5);
    z-index: var(--oo-z-overlay);
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--oo-space-2);
}

/* Unsichtbarer Backdrop zum Schließen beim Klick außerhalb */
.oo-fab__backdrop {
    position: fixed;
    inset: 0;
    z-index: -1;
}

/* Aufgeklapptes Menü – erscheint über dem FAB */
.oo-fab__menu {
    display: flex;
    flex-direction: column;
    gap: var(--oo-space-1);
    background: var(--oo-gray-900);
    backdrop-filter: blur(10px);
    border-radius: var(--oo-radius-lg);
    padding: var(--oo-space-1);
    border: var(--oo-border-width) solid var(--oo-gray-700);
    box-shadow: 0 8px 32px rgba(0, 0, 0, .4);
    animation: oo-fab-einblenden .12s ease-out;
}

@keyframes oo-fab-einblenden {
    from { opacity: 0; transform: translateY(6px) scale(.97); }
    to   { opacity: 1; transform: translateY(0)   scale(1);   }
}

/* Einzelner Menüeintrag */
.oo-fab__item {
    display: flex;
    align-items: center;
    gap: var(--oo-space-2);
    background: transparent;
    border: none;
    color: var(--oo-gray-400);
    border-radius: var(--oo-radius-md);
    padding: var(--oo-space-2) var(--oo-space-3);
    cursor: pointer;
    transition: background var(--oo-transition-fast), color var(--oo-transition-fast);
    white-space: nowrap;
    font-size: var(--oo-font-size-md);
    font-family: var(--oo-font-family);
    text-align: left;
    width: 100%;
}

.oo-fab__item-icon {
    font-size: var(--oo-font-size-xl);
    flex-shrink: 0;
}

.oo-fab__item:hover {
    background: var(--oo-gray-700);
    color: var(--oo-gray-50);
}

.oo-fab__item--aktiv {
    background: var(--oo-gray-750);
    color: var(--oo-gray-50);
    font-weight: 600;
}

/* Der FAB-Button selbst */
.oo-fab__btn {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--oo-radius-full);
    border: var(--oo-border-width) solid var(--oo-gray-700);
    background: var(--oo-gray-800);
    backdrop-filter: blur(8px);
    color: var(--oo-gray-400);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 12px rgba(0, 0, 0, .35);
    transition: background var(--oo-transition), color var(--oo-transition), transform var(--oo-transition);
}

.oo-fab__btn:hover {
    background: var(--oo-gray-700);
    color: var(--oo-gray-50);
    transform: scale(1.08);
}

.oo-fab__btn-icon {
    font-size: calc(var(--oo-font-size-xl)) ;
}

/* Inline-Variante – sitzt im Elementfluss (z.B. BottomBar), Menü öffnet nach oben */
.oo-fab--inline {
    position: relative;
    bottom: auto;
    right: auto;
    align-items: center;
}

.oo-fab--inline .oo-fab__menu {
    position: absolute;
    bottom: calc(100% + var(--oo-space-2));
    left: 50%;
    transform: translateX(-50%);
    animation: oo-fab-einblenden-inline .12s ease-out;
}

@keyframes oo-fab-einblenden-inline {
    from { opacity: 0; transform: translateX(-50%) translateY(6px) scale(.97); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0)   scale(1);   }
}

.oo-fab--inline .oo-fab__btn {
    width: 3rem;
    height: 3rem;
}