/* ===================================
   MEAT PRODUCTS - ANIMATIONS
   Professional Micro-interactions
   =================================== */

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-24px);
    }

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-24px);
    }

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

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(24px);
    }

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

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

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

    to {
        transform: translateY(0);
    }
}

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

    to {
        transform: translateY(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.6;
    }
}

@keyframes bounce {

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

    50% {
        transform: translateY(-6px);
    }
}

@keyframes shake {

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

    10%,
    30%,
    50%,
    70%,
    90% {
        transform: translateX(-4px);
    }

    20%,
    40%,
    60%,
    80% {
        transform: translateX(4px);
    }
}

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

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

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

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

@keyframes float {

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

    50% {
        transform: translateY(-8px);
    }
}

@keyframes glow {

    0%,
    100% {
        box-shadow: 0 0 8px rgba(129, 81, 60, 0.15);
    }

    50% {
        box-shadow: 0 0 24px rgba(129, 81, 60, 0.25);
    }
}

@keyframes subtleScale {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.02);
    }
}

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

.animate-fade-in {
    animation: fadeIn 0.4s ease-out forwards;
}

.animate-fade-in-up {
    animation: fadeInUp 0.5s ease-out forwards;
}

.animate-fade-in-down {
    animation: fadeInDown 0.5s ease-out forwards;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.5s ease-out forwards;
}

.animate-fade-in-right {
    animation: fadeInRight 0.5s ease-out forwards;
}

.animate-scale-in {
    animation: scaleIn 0.35s ease-out forwards;
}

.animate-slide-in-up {
    animation: slideInUp 0.35s ease-out forwards;
}

.animate-pulse {
    animation: pulse 2.5s ease-in-out infinite;
}

.animate-bounce {
    animation: bounce 1.2s ease-in-out infinite;
}

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

.animate-float {
    animation: float 4s ease-in-out infinite;
}

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

/* ===== DELAY UTILITIES ===== */

.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;
}

.delay-900 {
    animation-delay: 900ms;
}

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

/* ===== SCROLL REVEAL ===== */

.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-32px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-right {
    opacity: 0;
    transform: translateX(32px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-scale {
    opacity: 0;
    transform: scale(0.96);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ===== SKELETON LOADING ===== */

.skeleton {
    background: linear-gradient(90deg,
            var(--gray-200) 25%,
            var(--gray-100) 50%,
            var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.8s infinite;
    border-radius: var(--radius-sm);
}

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

.skeleton-text:last-child {
    width: 75%;
}

.skeleton-title {
    height: 1.5em;
    width: 55%;
    margin-bottom: 1em;
}

.skeleton-image {
    height: 220px;
    width: 100%;
}

.skeleton-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
}

.skeleton-button {
    height: 48px;
    width: 140px;
}

/* ===== IMAGE SKELETON WRAPPER ===== */

.img-skeleton-wrapper {
    position: relative;
    overflow: hidden;
    background: var(--gray-100);
    width: 100%;
    height: 100%;
}

.img-skeleton-wrapper .skeleton-placeholder {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg,
        var(--gray-200) 25%,
        var(--gray-100) 50%,
        var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.8s infinite;
    border-radius: inherit;
    z-index: 1;
    transition: opacity 0.3s ease;
}

.img-skeleton-wrapper img {
    position: relative;
    z-index: 2;
    opacity: 0;
    transition: opacity 0.4s ease;
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.img-skeleton-wrapper img.img-loaded {
    opacity: 1;
}

.img-skeleton-wrapper .skeleton-placeholder.hidden {
    opacity: 0;
    pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
    .img-skeleton-wrapper .skeleton-placeholder {
        animation: none;
        background: var(--gray-200);
    }
    .img-skeleton-wrapper img {
        transition: none;
        opacity: 1;
    }
}

/* ===== LOADING SPINNER ===== */

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary-600);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

.spinner-sm {
    width: 24px;
    height: 24px;
    border-width: 2px;
}

.spinner-lg {
    width: 56px;
    height: 56px;
    border-width: 4px;
}

.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

/* ===== NOTIFICATION ANIMATIONS ===== */

.toast-enter {
    animation: fadeInRight 0.3s ease-out forwards;
}

.toast-exit {
    animation: fadeInRight 0.3s ease-out reverse forwards;
}

/* ===== CART ANIMATIONS ===== */

.cart-pop {
    animation: scaleIn 0.25s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.cart-shake {
    animation: shake 0.4s ease-in-out;
}

.added-to-cart {
    position: relative;
}

.added-to-cart::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 36px;
    height: 36px;
    background: var(--success);
    color: white;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    animation: scaleIn 0.25s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

/* ===== PAGE TRANSITION ===== */

.page-transition-enter {
    opacity: 0;
    transform: translateY(16px);
}

.page-transition-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: all 0.35s ease-out;
}

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

.page-transition-exit-active {
    opacity: 0;
    transform: translateY(-16px);
    transition: all 0.35s ease-in;
}

/* ===== HOVER EFFECTS ===== */

.hover-lift {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.hover-grow {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-grow:hover {
    transform: scale(1.03);
}

.hover-shrink {
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-shrink:hover {
    transform: scale(0.97);
}

.hover-brightness {
    transition: filter 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-brightness:hover {
    filter: brightness(1.05);
}

/* ===== IMAGE EFFECTS ===== */

.img-zoom {
    overflow: hidden;
}

.img-zoom img {
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.img-zoom:hover img {
    transform: scale(1.06);
}

/* ===== BUTTON RIPPLE EFFECT ===== */

.btn-ripple {
    position: relative;
    overflow: hidden;
}

.btn-ripple::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.5s ease, height 0.5s ease;
}

.btn-ripple:active::before {
    width: 280px;
    height: 280px;
    opacity: 0;
    transition: width 0.5s ease, height 0.5s ease, opacity 0.5s ease;
}

/* ===== UNDERLINE ANIMATION ===== */

.underline-hover {
    position: relative;
}

.underline-hover::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: currentColor;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.underline-hover:hover::after {
    width: 100%;
}

/* ===== REDUCED MOTION ===== */

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

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal,
    .reveal-left,
    .reveal-right,
    .reveal-scale {
        opacity: 1;
        transform: none;
    }
}