/**
 * MP Vision - Animations & Transitions
 * Keyframes, Hover Effects, Loading States
 */

/* ===================================
   1. KEYFRAME ANIMATIONS
   =================================== */

@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);
    }
}

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

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(139, 92, 246, 0.4);
    }
    50% {
        box-shadow: 0 0 40px rgba(139, 92, 246, 0.8);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px);
    }
}

@keyframes slideInFromBottom {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideInFromTop {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

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

/* ===================================
   2. UTILITY ANIMATION CLASSES
   =================================== */

.animate-fadeIn {
    animation: fadeIn 0.6s ease-out;
}

.animate-fadeInUp {
    animation: fadeInUp 0.8s ease-out;
}

.animate-fadeInDown {
    animation: fadeInDown 0.8s ease-out;
}

.animate-fadeInLeft {
    animation: fadeInLeft 0.8s ease-out;
}

.animate-fadeInRight {
    animation: fadeInRight 0.8s ease-out;
}

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

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

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

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

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

.animate-rotate {
    animation: rotate 2s linear infinite;
}

/* Animation Delays */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }
.delay-600 { animation-delay: 600ms; }
.delay-700 { animation-delay: 700ms; }
.delay-800 { animation-delay: 800ms; }

/* ===================================
   3. HOVER EFFECTS
   =================================== */

/* Lift Effect */
.hover-lift {
    transition: transform var(--transition-base);
}

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

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

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

/* Glow Effect */
.hover-glow {
    transition: all var(--transition-base);
}

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

/* Tilt Effect */
.hover-tilt {
    transition: transform var(--transition-base);
}

.hover-tilt:hover {
    transform: perspective(1000px) rotateY(5deg);
}

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

.hover-brightness:hover {
    filter: brightness(1.2);
}

/* Border Glow Effect */
.hover-border-glow {
    position: relative;
    transition: all var(--transition-base);
}

.hover-border-glow::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 2px;
    background: var(--gradient-primary);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

/* ===================================
   4. LOADING STATES
   =================================== */

.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary);
    border-top-color: transparent;
    border-radius: 50%;
    animation: rotate 0.6s linear infinite;
}

/* Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: rotate 0.8s linear infinite;
}

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

.spinner-lg {
    width: 60px;
    height: 60px;
    border-width: 4px;
}

/* Skeleton Loader */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--dark-bg-3) 0%,
        var(--dark-bg-2) 50%,
        var(--dark-bg-3) 100%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
}

.skeleton-text {
    height: 1em;
    margin-bottom: 0.5em;
}

.skeleton-heading {
    height: 2em;
    margin-bottom: 1em;
}

.skeleton-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

/* ===================================
   5. TRANSITIONS
   =================================== */

/* Smooth transitions for common properties */
.transition-all {
    transition: all var(--transition-base);
}

.transition-colors {
    transition: color var(--transition-base), background-color var(--transition-base), border-color var(--transition-base);
}

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

.transition-opacity {
    transition: opacity var(--transition-base);
}

/* Transition Durations */
.duration-fast {
    transition-duration: var(--transition-fast);
}

.duration-base {
    transition-duration: var(--transition-base);
}

.duration-slow {
    transition-duration: var(--transition-slow);
}

/* ===================================
   6. PAGE TRANSITIONS
   =================================== */

.page-transition {
    animation: fadeInUp 0.6s ease-out;
}

/* ===================================
   7. SCROLL ANIMATIONS (AOS Override)
   =================================== */

[data-aos] {
    pointer-events: auto;
}

[data-aos].aos-animate {
    pointer-events: auto;
}

/* Custom AOS Animations */
[data-aos="fade-up-scale"] {
    transform: translateY(30px) scale(0.95);
    opacity: 0;
    transition-property: transform, opacity;
}

[data-aos="fade-up-scale"].aos-animate {
    transform: translateY(0) scale(1);
    opacity: 1;
}

[data-aos="glow-in"] {
    opacity: 0;
    box-shadow: none;
    transition-property: opacity, box-shadow;
}

[data-aos="glow-in"].aos-animate {
    opacity: 1;
    box-shadow: var(--glow-primary);
}

/* ===================================
   8. GRADIENT ANIMATIONS
   =================================== */

.gradient-animated {
    background: var(--gradient-primary);
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
}

/* ===================================
   9. TEXT ANIMATIONS
   =================================== */

/* Typing Cursor */
.typing-cursor::after {
    content: '|';
    animation: pulse 1s ease-in-out infinite;
}

/* Text Reveal */
.text-reveal {
    position: relative;
    overflow: hidden;
}

.text-reveal::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: var(--dark-bg);
    animation: slideOutRight 0.8s ease-out forwards;
}

@keyframes slideOutRight {
    to {
        transform: translateX(100%);
    }
}

/* ===================================
   10. INTERACTIVE ELEMENTS
   =================================== */

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

.ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.ripple:active::after {
    width: 300px;
    height: 300px;
}

/* ===================================
   11. MODAL / OVERLAY ANIMATIONS
   =================================== */

.modal-fade-in {
    animation: fadeIn 0.3s ease-out;
}

.modal-slide-up {
    animation: slideInFromBottom 0.4s ease-out;
}

/* Backdrop */
.backdrop-fade {
    animation: fadeIn 0.3s ease-out;
}

/* ===================================
   12. STAGGER ANIMATIONS
   =================================== */

.stagger-item {
    opacity: 0;
    transform: translateY(20px);
}

.stagger-item.animate {
    animation: fadeInUp 0.6s ease-out forwards;
}

.stagger-item:nth-child(1) { animation-delay: 0.1s; }
.stagger-item:nth-child(2) { animation-delay: 0.2s; }
.stagger-item:nth-child(3) { animation-delay: 0.3s; }
.stagger-item:nth-child(4) { animation-delay: 0.4s; }
.stagger-item:nth-child(5) { animation-delay: 0.5s; }
.stagger-item:nth-child(6) { animation-delay: 0.6s; }

/* ===================================
   13. PERFORMANCE OPTIMIZATION
   =================================== */

/* Use GPU acceleration for smooth animations */
.gpu-accelerated {
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* Reduce motion for users who prefer it */
@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;
    }
}