/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.3s ease forwards;
}

.fade-out {
    animation: fadeOut 0.3s ease forwards;
}

.slide-up {
    animation: slideUp 0.3s ease forwards;
}

.slide-down {
    animation: slideDown 0.3s ease forwards;
}

.slide-in-right {
    animation: slideInRight 0.3s ease forwards;
}

.slide-in-left {
    animation: slideInLeft 0.3s ease forwards;
}

.pulse {
    animation: pulse 1s ease infinite;
}

.spin {
    animation: spin 1s linear infinite;
}

/* Transition Classes */
.transition-all {
    transition: all 0.3s ease;
}

.transition-transform {
    transition: transform 0.3s ease;
}

.transition-opacity {
    transition: opacity 0.3s ease;
}

/* Hover Effects */
.hover-scale:hover {
    transform: scale(1.05);
}

.hover-lift:hover {
    transform: translateY(-5px);
}

.hover-shadow:hover {
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top-color: var(--secondary-color);
    animation: spin 1s ease-in-out infinite;
    margin: 20px auto;
}