/**
 * Animation Library
 * Smooth transitions and animations for enhanced UX
 * Tsharok LMS
 */

/* ============================================ */
/* Fade Animations */
/* ============================================ */

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.fade-in-down {
    animation: fadeInDown 0.6s ease-out;
}

.fade-in-left {
    animation: fadeInLeft 0.6s ease-out;
}

.fade-in-right {
    animation: fadeInRight 0.6s ease-out;
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ============================================ */
/* Scale Animations */
/* ============================================ */

.scale-in {
    animation: scaleIn 0.3s ease-out;
}

.scale-up {
    animation: scaleUp 0.3s ease-out;
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes scaleUp {
    from {
        transform: scale(1);
    }
    to {
        transform: scale(1.05);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.02);
    }
}

/* ============================================ */
/* Slide Animations */
/* ============================================ */

.slide-in-up {
    animation: slideInUp 0.5s ease-out;
}

.slide-in-down {
    animation: slideInDown 0.5s ease-out;
}

.slide-in-left {
    animation: slideInLeft 0.5s ease-out;
}

.slide-in-right {
    animation: slideInRight 0.5s ease-out;
}

@keyframes slideInUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

@keyframes slideInDown {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
    }
    to {
        transform: translateX(0);
    }
}

/* ============================================ */
/* Rotate Animations */
/* ============================================ */

.rotate-in {
    animation: rotateIn 0.5s ease-out;
}

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

@keyframes rotateIn {
    from {
        opacity: 0;
        transform: rotate(-200deg) scale(0);
    }
    to {
        opacity: 1;
        transform: rotate(0) scale(1);
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* ============================================ */
/* Bounce Animations */
/* ============================================ */

.bounce {
    animation: bounce 1s ease-in-out infinite;
}

.bounce-in {
    animation: bounceIn 0.8s ease-out;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        transform: scale(1);
    }
}

/* ============================================ */
/* Shake Animation */
/* ============================================ */

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

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-10px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(10px);
    }
}

/* ============================================ */
/* Loading Spinners */
/* ============================================ */

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(79, 70, 229, 0.2);
    border-top-color: #4F46E5;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-large {
    width: 40px;
    height: 40px;
    border-width: 4px;
}

.dots-loading {
    display: inline-flex;
    gap: 8px;
}

.dots-loading span {
    width: 8px;
    height: 8px;
    background-color: #4F46E5;
    border-radius: 50%;
    animation: dotsPulse 1.4s ease-in-out infinite;
}

.dots-loading span:nth-child(2) {
    animation-delay: 0.2s;
}

.dots-loading span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes dotsPulse {
    0%, 80%, 100% {
        opacity: 0.3;
        transform: scale(0.8);
    }
    40% {
        opacity: 1;
        transform: scale(1);
    }
}

/* ============================================ */
/* Skeleton Loading */
/* ============================================ */

.skeleton {
    background: linear-gradient(
        90deg,
        #f0f0f0 25%,
        #e0e0e0 50%,
        #f0f0f0 75%
    );
    background-size: 200% 100%;
    animation: skeletonLoading 1.5s ease-in-out infinite;
    border-radius: 8px;
}

@keyframes skeletonLoading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* ============================================ */
/* Hover Effects */
/* ============================================ */

.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.hover-glow {
    transition: box-shadow 0.3s ease;
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(79, 70, 229, 0.5);
}

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

.hover-scale:hover {
    transform: scale(1.05);
}

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

.hover-rotate:hover {
    transform: rotate(5deg);
}

/* ============================================ */
/* Stagger Animation (for lists) */
/* ============================================ */

.stagger-fade-in > * {
    opacity: 0;
    animation: fadeInUp 0.6s ease-out forwards;
}

.stagger-fade-in > *:nth-child(1) { animation-delay: 0.1s; }
.stagger-fade-in > *:nth-child(2) { animation-delay: 0.2s; }
.stagger-fade-in > *:nth-child(3) { animation-delay: 0.3s; }
.stagger-fade-in > *:nth-child(4) { animation-delay: 0.4s; }
.stagger-fade-in > *:nth-child(5) { animation-delay: 0.5s; }
.stagger-fade-in > *:nth-child(6) { animation-delay: 0.6s; }
.stagger-fade-in > *:nth-child(7) { animation-delay: 0.7s; }
.stagger-fade-in > *:nth-child(8) { animation-delay: 0.8s; }

/* ============================================ */
/* Progress Bar */
/* ============================================ */

.progress-bar {
    height: 4px;
    background: linear-gradient(90deg, #4F46E5, #7C3AED);
    animation: progressBar 2s ease-in-out infinite;
}

@keyframes progressBar {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* ============================================ */
/* Notification Slide In */
/* ============================================ */

.notification-enter {
    animation: notificationSlideIn 0.3s ease-out;
}

.notification-exit {
    animation: notificationSlideOut 0.3s ease-in;
}

@keyframes notificationSlideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes notificationSlideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(400px);
        opacity: 0;
    }
}

/* ============================================ */
/* Reduce Motion for Accessibility */
/* ============================================ */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================ */
/* Page Transitions */
/* ============================================ */

.page-fade-in {
    animation: pageFadeIn 0.4s ease-in;
}

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

/* ============================================ */
/* Gradient Animation */
/* ============================================ */

.gradient-animate {
    background: linear-gradient(270deg, #4F46E5, #7C3AED, #EC4899);
    background-size: 400% 400%;
    animation: gradientShift 10s ease infinite;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* ============================================ */
/* Float Animation (for hero elements) */
/* ============================================ */

.float {
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}