/* os-anim.css */

/* Smooth fade-in animation */
@keyframes fadeIn {
    0% {
        opacity: 0;
        transform: translateY(10px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

/* Smooth fade-out animation */
@keyframes fadeOut {
    0% {
        opacity: 1;
        transform: translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateY(-10px);
    }
}

.fade-out {
    animation: fadeOut 0.5s ease-in-out;
}

/* Flip 3D animation */
@keyframes flipIn {
    0% {
        transform: rotateY(-180deg);
        opacity: 0;
    }
    100% {
        transform: rotateY(0);
        opacity: 1;
    }
}

.flip-in {
    animation: flipIn 0.8s ease-in-out;
}

/* Flip-out animation */
@keyframes flipOut {
    0% {
        transform: rotateY(0);
        opacity: 1;
    }
    100% {
        transform: rotateY(180deg);
        opacity: 0;
    }
}

.flip-out {
    animation: flipOut 0.8s ease-in-out;
}

/* Scale and zoom effect */
@keyframes zoomIn {
    0% {
        transform: scale(0.8);
        opacity: 0;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.zoom-in {
    animation: zoomIn 0.5s ease-in-out;
}

@keyframes zoomOut {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(0.8);
        opacity: 0;
    }
}

.zoom-out {
    animation: zoomOut 0.5s ease-in-out;
}

/* Rotate effect */
@keyframes rotateIn {
    0% {
        transform: rotate(-360deg);