/* ==========================================================================
   ANIMATIONS.CSS - Professional Animations & Micro-interactions
   Premium End-Level UI Design
   ========================================================================== */

/* --------------------------------------------------------------------------
   KEYFRAME ANIMATIONS
   -------------------------------------------------------------------------- */

/* Fade In Up - Entrance animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fade In Scale - Entrance animation */
@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Slide In Right */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Slide In Left */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Float Animation */
@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

/* Pulse Glow */
@keyframes pulseGlow {

    0%,
    100% {
        box-shadow: 0 0 5px var(--color-primary-glow);
    }

    50% {
        box-shadow: 0 0 25px var(--color-primary-glow), 0 0 50px var(--color-primary-light);
    }
}

/* Shimmer Effect */
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }

    100% {
        background-position: 200% 0;
    }
}

/* Skeleton Loading */
@keyframes skeletonPulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }
}

/* Bounce In */
@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }

    50% {
        transform: scale(1.05);
    }

    70% {
        transform: scale(0.9);
    }

    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Counter Pop */
@keyframes counterPop {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.2);
    }

    100% {
        transform: scale(1);
    }
}

/* Ripple Effect */
@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 0.5;
    }

    100% {
        transform: scale(4);
        opacity: 0;
    }
}

/* Gradient Shift */
@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

/* Icon Bounce */
@keyframes iconBounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-8px);
    }

    60% {
        transform: translateY(-4px);
    }
}

/* Spin */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* Ping */
@keyframes ping {

    75%,
    100% {
        transform: scale(2);
        opacity: 0;
    }
}

/* --------------------------------------------------------------------------
   ANIMATION UTILITY CLASSES
   -------------------------------------------------------------------------- */

/* Entrance Animations */
.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
}

.animate-fade-in-scale {
    animation: fadeInScale 0.5s ease-out forwards;
    opacity: 0;
}

.animate-slide-in-right {
    animation: slideInRight 0.5s ease-out forwards;
    opacity: 0;
}

.animate-slide-in-left {
    animation: slideInLeft 0.5s ease-out forwards;
    opacity: 0;
}

.animate-bounce-in {
    animation: bounceIn 0.6s ease-out forwards;
    opacity: 0;
}

/* Continuous Animations */
.animate-float {
    animation: float 3s ease-in-out infinite;
}

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

.animate-shimmer {
    background: linear-gradient(90deg,
            transparent,
            rgba(255, 255, 255, 0.4),
            transparent);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

.animate-gradient {
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
}

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

/* Stagger Delays */
.stagger-1 {
    animation-delay: 0.1s;
}

.stagger-2 {
    animation-delay: 0.2s;
}

.stagger-3 {
    animation-delay: 0.3s;
}

.stagger-4 {
    animation-delay: 0.4s;
}

.stagger-5 {
    animation-delay: 0.5s;
}

.stagger-6 {
    animation-delay: 0.6s;
}

.stagger-7 {
    animation-delay: 0.7s;
}

.stagger-8 {
    animation-delay: 0.8s;
}

/* Custom Stagger using CSS variable */
[data-stagger] {
    animation-delay: calc(var(--stagger-delay, 0) * 0.1s);
}

/* --------------------------------------------------------------------------
   HOVER EFFECTS
   -------------------------------------------------------------------------- */

/* Card Lift Effect */
.hover-lift {
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
        box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card-hover);
}

/* Card Glow Effect */
.hover-glow {
    transition: box-shadow 0.3s ease;
}

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

/* Card Lift + Glow Combined */
.hover-lift-glow {
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
        box-shadow 0.3s ease;
}

.hover-lift-glow:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-card-hover), var(--shadow-glow);
}

/* Scale Effect */
.hover-scale {
    transition: transform 0.3s ease;
}

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

/* Icon Hover Effects */
.hover-icon-bounce:hover .icon,
.hover-icon-bounce:hover i {
    animation: iconBounce 0.6s ease;
}

.hover-icon-spin:hover .icon,
.hover-icon-spin:hover i {
    animation: spin 0.5s ease;
}

/* Border Glow on Hover */
.hover-border-glow {
    position: relative;
    transition: all 0.3s ease;
}

.hover-border-glow::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    background: var(--gradient-primary);
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s ease;
}

.hover-border-glow:hover::before {
    opacity: 1;
}

/* --------------------------------------------------------------------------
   BUTTON EFFECTS
   -------------------------------------------------------------------------- */

/* Ripple Effect Container */
.btn-ripple {
    position: relative;
    overflow: hidden;
}

.btn-ripple::after {
    content: '';
    position: absolute;
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: scale(0);
    opacity: 0;
    pointer-events: none;
}

.btn-ripple:active::after {
    animation: ripple 0.6s ease-out;
}

/* Button Shine Effect */
.btn-shine {
    position: relative;
    overflow: hidden;
}

.btn-shine::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent,
            rgba(255, 255, 255, 0.3),
            transparent);
    transition: left 0.5s ease;
}

.btn-shine:hover::before {
    left: 100%;
}

/* --------------------------------------------------------------------------
   SKELETON LOADING
   -------------------------------------------------------------------------- */

.skeleton {
    background: linear-gradient(90deg,
            var(--bg-surface) 25%,
            var(--bg-surface-hover) 50%,
            var(--bg-surface) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: var(--radius-md, 8px);
}

.skeleton-text {
    height: 1em;
    margin-bottom: 0.5em;
    border-radius: 4px;
}

.skeleton-circle {
    border-radius: 50%;
}

.skeleton-card {
    height: 200px;
}

/* --------------------------------------------------------------------------
   COUNTER ANIMATION
   -------------------------------------------------------------------------- */

.counter-animated {
    display: inline-block;
    transition: transform 0.3s ease;
}

.counter-animated.counting {
    animation: counterPop 0.3s ease;
}

/* --------------------------------------------------------------------------
   STATUS INDICATORS
   -------------------------------------------------------------------------- */

.status-pulse {
    position: relative;
}

.status-pulse::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: inherit;
    animation: ping 1.5s cubic-bezier(0, 0, 0.2, 1) infinite;
}

.status-online {
    background-color: var(--color-success);
}

.status-offline {
    background-color: var(--text-muted);
}

.status-warning {
    background-color: var(--color-warning);
}

/* --------------------------------------------------------------------------
   SCROLL REVEAL (triggered by JS)
   -------------------------------------------------------------------------- */

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-left.revealed {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-right.revealed {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-scale.revealed {
    opacity: 1;
    transform: scale(1);
}

/* --------------------------------------------------------------------------
   MICRO-INTERACTIONS
   -------------------------------------------------------------------------- */

/* Checkbox Tick */
.checkbox-animated:checked {
    animation: bounceIn 0.3s ease;
}

/* Input Focus */
.input-animated {
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.input-animated:focus {
    box-shadow: 0 0 0 4px var(--color-primary-light);
}

/* Link Underline Animation */
.link-animated {
    position: relative;
    text-decoration: none;
}

.link-animated::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width 0.3s ease;
}

.link-animated:hover::after {
    width: 100%;
}

/* Badge Pop */
.badge-animated {
    transition: transform 0.2s ease;
}

.badge-animated:hover {
    transform: scale(1.1);
}

/* --------------------------------------------------------------------------
   REDUCED MOTION SUPPORT
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {

    *:not(.loader-ring):not(.loader-ring-outer):not(.loader-ring-inner):not(.loader-glow):not(.loader-spinner):not(#page-loader *),
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}