/* ========================================
   FLOATING ACTION BUTTON (FAB) GLOBAL
   ======================================== */

.fab-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 9999;
}

.fab-button {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    color: white;
    font-size: 24px;
}

.fab-button:hover {
    transform: scale(1.1) rotate(90deg);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.fab-button:active {
    transform: scale(0.95);
}

.fab-button i {
    transition: transform 0.3s ease;
}

.fab-button:hover i {
    transform: rotate(-90deg);
}

/* Animação de entrada */
@keyframes fabEnter {
    from {
        transform: scale(0) rotate(180deg);
        opacity: 0;
    }

    to {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
}

.fab-container {
    animation: fabEnter 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Responsivo */
@media (max-width: 768px) {
    .fab-container {
        bottom: 20px;
        right: 20px;
    }

    .fab-button {
        width: 56px;
        height: 56px;
    }
}