/**
 * ReceiptBuddy Animation Library
 * Version: 2.0
 *
 * Animations, transitions, and micro-interactions for bold & vibrant UI
 */

/* ========================================
   KEYFRAME ANIMATIONS
   ======================================== */

/* Slide Up - Entry Animation */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Slide In from Right */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(400px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Slide In from Left */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-400px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* Fade Out */
@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

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

/* Scale Out */
@keyframes scaleOut {
    from {
        opacity: 1;
        transform: scale(1);
    }
    to {
        opacity: 0;
        transform: scale(0.9);
    }
}

/* Bounce In */
@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);
    }
}

/* Float - Gentle Vertical Movement */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Float Slow - Slower Vertical Movement */
@keyframes floatSlow {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* Pulse - Scale Animation */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

/* Pulse Badge - For "Most Popular" badges */
@keyframes pulseBadge {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Pulse Ring - Expanding Ring */
@keyframes pulseRing {
    0% {
        transform: scale(0.8);
        opacity: 0.8;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

/* Shimmer - Skeleton Loader Effect */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

/* Spin - Loading Spinner */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Wiggle - Attention Grabber */
@keyframes wiggle {
    0%, 100% {
        transform: rotate(0deg);
    }
    25% {
        transform: rotate(-5deg);
    }
    75% {
        transform: rotate(5deg);
    }
}

/* Shake - Error/Alert */
@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-5px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(5px);
    }
}

/* Heartbeat - Attention Animation */
@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    25% {
        transform: scale(1.1);
    }
    50% {
        transform: scale(1);
    }
}

/* Glow Pulse - Colored Shadow Pulse */
@keyframes glowPulse {
    0%, 100% {
        box-shadow: 0 0 10px rgba(102, 126, 234, 0.3);
    }
    50% {
        box-shadow: 0 0 20px rgba(102, 126, 234, 0.6);
    }
}

/* ========================================
   ANIMATION UTILITY CLASSES
   ======================================== */

.animate-slide-up {
    animation: slideUp var(--transition-slow) ease-out;
}

.animate-slide-down {
    animation: slideDown var(--transition-slow) ease-out;
}

.animate-slide-in-right {
    animation: slideInRight var(--transition-slow) ease-out;
}

.animate-slide-in-left {
    animation: slideInLeft var(--transition-slow) ease-out;
}

.animate-fade-in {
    animation: fadeIn var(--transition-base) ease-out;
}

.animate-fade-out {
    animation: fadeOut var(--transition-base) ease-out;
}

.animate-scale-in {
    animation: scaleIn var(--transition-base) ease-out;
}

.animate-scale-out {
    animation: scaleOut var(--transition-base) ease-out;
}

.animate-bounce-in {
    animation: bounceIn var(--transition-slower) ease-out;
}

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

.animate-float-slow {
    animation: floatSlow 6s ease-in-out infinite;
}

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

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

.animate-shimmer {
    animation: shimmer 2s infinite;
}

.animate-spin {
    animation: spin 0.6s linear infinite;
}

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

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

.animate-heartbeat {
    animation: heartbeat 1.5s ease-in-out infinite;
}

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

/* Animation Delays */
.delay-100 {
    animation-delay: 100ms;
}

.delay-200 {
    animation-delay: 200ms;
}

.delay-300 {
    animation-delay: 300ms;
}

.delay-500 {
    animation-delay: 500ms;
}

.delay-1000 {
    animation-delay: 1000ms;
}

/* ========================================
   MICRO-INTERACTIONS (Hover Effects)
   ======================================== */

/* Hover Lift - Subtle Elevation */
.hover-lift {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Hover Lift Large */
.hover-lift-lg {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift-lg:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* Hover Scale - Grow Effect */
.hover-scale {
    transition: transform var(--transition-base);
}

.hover-scale:hover {
    transform: scale(1.02);
}

.hover-scale-lg {
    transition: transform var(--transition-base);
}

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

/* Hover Glow - Colored Shadow */
.hover-glow {
    transition: box-shadow var(--transition-base);
}

.hover-glow:hover {
    box-shadow: var(--shadow-primary);
}

.hover-glow-success:hover {
    box-shadow: var(--shadow-success);
}

.hover-glow-error:hover {
    box-shadow: var(--shadow-error);
}

.hover-glow-warning:hover {
    box-shadow: var(--shadow-warning);
}

/* Hover Brightness */
.hover-brightness {
    transition: filter var(--transition-base);
}

.hover-brightness:hover {
    filter: brightness(1.1);
}

/* Hover Opacity */
.hover-opacity {
    transition: opacity var(--transition-base);
}

.hover-opacity:hover {
    opacity: 0.8;
}

/* Hover Rotate - Slight Tilt */
.hover-rotate {
    transition: transform var(--transition-base);
}

.hover-rotate:hover {
    transform: rotate(2deg);
}

/* Hover Border Grow */
.hover-border-grow {
    position: relative;
    overflow: hidden;
}

.hover-border-grow::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--primary-gradient);
    transition: width var(--transition-base);
}

.hover-border-grow:hover::after {
    width: 100%;
}

/* ========================================
   LOADING STATES
   ======================================== */

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loading-spinner-sm {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

.loading-spinner-lg {
    width: 60px;
    height: 60px;
    border-width: 5px;
}

.loading-dots {
    display: inline-flex;
    gap: var(--space-2);
}

.loading-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary-500);
    animation: pulse 1.5s ease-in-out infinite;
}

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

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

/* Skeleton Pulse */
.skeleton-pulse {
    animation: shimmer 2s infinite;
}

/* ========================================
   PAGE TRANSITIONS
   ======================================== */

.page-enter {
    opacity: 0;
    transform: translateY(20px);
}

.page-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: all var(--transition-slow);
}

.page-exit {
    opacity: 1;
    transform: translateY(0);
}

.page-exit-active {
    opacity: 0;
    transform: translateY(-20px);
    transition: all var(--transition-slow);
}

/* ========================================
   STAGGERED ANIMATIONS
   ======================================== */

.stagger-child {
    animation: slideUp var(--transition-slow) ease-out backwards;
}

.stagger-child:nth-child(1) {
    animation-delay: 0s;
}

.stagger-child:nth-child(2) {
    animation-delay: 0.1s;
}

.stagger-child:nth-child(3) {
    animation-delay: 0.2s;
}

.stagger-child:nth-child(4) {
    animation-delay: 0.3s;
}

.stagger-child:nth-child(5) {
    animation-delay: 0.4s;
}

.stagger-child:nth-child(6) {
    animation-delay: 0.5s;
}

/* ========================================
   ATTENTION SEEKERS
   ======================================== */

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

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

.attention-bounce {
    animation: bounceIn 0.5s ease-out;
}

.attention-pulse {
    animation: pulse 1s ease-in-out 3;
}

/* ========================================
   SCROLL ANIMATIONS
   ======================================== */

[data-scroll-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

[data-scroll-animate].in-view {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   ACCESSIBILITY - Reduced Motion
   ======================================== */

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