/**
 * Animations & Micro-interactions
 * Animaciones y transiciones suaves para mejorar la experiencia de usuario
 */

/* ========================================
   KEYFRAMES
   ======================================== */

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

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

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

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

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

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

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

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

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

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

@keyframes swing {
    0%, 100% {
        transform: rotate(0deg);
    }
    25% {
        transform: rotate(10deg);
    }
    75% {
        transform: rotate(-10deg);
    }
}

/* ========================================
   CLASES DE ANIMACIÓN
   ======================================== */

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

.animate-fade-out {
    animation: fadeOut 0.3s ease-in-out;
}

.animate-slide-in-up {
    animation: slideInUp 0.4s ease-out;
}

.animate-slide-in-down {
    animation: slideInDown 0.4s ease-out;
}

.animate-slide-in-left {
    animation: slideInLeft 0.4s ease-out;
}

.animate-slide-in-right {
    animation: slideInRight 0.4s ease-out;
}

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

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

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

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

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

.animate-swing {
    animation: swing 1s ease-in-out;
}

/* ========================================
   MICRO-INTERACCIONES - BOTONES
   ======================================== */

button, .btn, a.btn {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

button:active, .btn:active {
    transform: scale(0.97);
}

button:hover, .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

/* Efecto ripple para botones */
.btn-ripple {
    position: relative;
    overflow: hidden;
}

.btn-ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

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

/* ========================================
   MICRO-INTERACCIONES - CARDS
   ======================================== */

.card, .producto-card, .modal-content {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card:hover, .producto-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

/* Efecto de brillo al hover */
.card-shine, .producto-card {
    position: relative;
    overflow: hidden;
}

.card-shine::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transition: left 0.5s;
}

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

/* ========================================
   MICRO-INTERACCIONES - INPUTS
   ======================================== */

input, textarea, select {
    transition: all 0.3s ease;
}

input:focus, textarea:focus, select:focus {
    transform: scale(1.02);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

/* Efecto de label flotante */
.form-group.floating-label {
    position: relative;
}

.form-group.floating-label label {
    position: absolute;
    top: 50%;
    left: 12px;
    transform: translateY(-50%);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
    color: #999;
    background: white;
    padding: 0 4px;
}

.form-group.floating-label input:focus + label,
.form-group.floating-label input:not(:placeholder-shown) + label {
    top: 0;
    font-size: 12px;
    color: #667eea;
}

/* ========================================
   MICRO-INTERACCIONES - ENLACES
   ======================================== */

a {
    transition: all 0.3s ease;
}

a:hover {
    text-decoration: none;
    opacity: 0.8;
}

/* Subrayado animado */
.link-underline {
    position: relative;
    text-decoration: none;
}

.link-underline::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: currentColor;
    transition: width 0.3s ease;
}

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

/* ========================================
   MICRO-INTERACCIONES - ICONOS
   ======================================== */

.icon-hover {
    transition: all 0.3s ease;
}

.icon-hover:hover {
    transform: scale(1.2) rotate(5deg);
}

.icon-spin:hover {
    animation: rotate 0.5s ease-in-out;
}

.icon-bounce:hover {
    animation: bounce 0.6s ease-in-out;
}

/* ========================================
   MICRO-INTERACCIONES - BADGES
   ======================================== */

.badge, .producto-badge {
    transition: all 0.3s ease;
}

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

/* ========================================
   EFECTOS DE CARGA
   ======================================== */

.loading-shimmer {
    background: linear-gradient(
        90deg,
        #f0f0f0 0%,
        #f8f8f8 50%,
        #f0f0f0 100%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
}

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

/* ========================================
   STAGGER ANIMATIONS (para listas)
   ======================================== */

.stagger-item {
    opacity: 0;
    animation: slideInUp 0.5s 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; }

/* ========================================
   EFECTOS DE SCROLL
   ======================================== */

.fade-in-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.fade-in-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   EFECTOS DE MODAL
   ======================================== */

.modal {
    animation: fadeIn 0.3s ease;
}

.modal-content {
    animation: scaleIn 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.modal.closing {
    animation: fadeOut 0.3s ease;
}

.modal.closing .modal-content {
    animation: scaleOut 0.3s ease;
}

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

/* ========================================
   EFECTOS ESPECIALES
   ======================================== */

/* Efecto de partículas al hacer clic */
.click-particle {
    position: fixed;
    pointer-events: none;
    animation: particleFloat 1s ease-out forwards;
    z-index: 9999;
}

@keyframes particleFloat {
    from {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
    to {
        transform: translateY(-100px) scale(0);
        opacity: 0;
    }
}

/* Efecto de corazón latiendo (para favoritos) */
.heart-beat {
    animation: heartBeat 1s ease-in-out infinite;
}

@keyframes heartBeat {
    0%, 100% {
        transform: scale(1);
    }
    10%, 30% {
        transform: scale(0.9);
    }
    20%, 40% {
        transform: scale(1.1);
    }
}

/* ========================================
   TRANSICIONES SUAVES GLOBALES
   ======================================== */

* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Mejora de rendimiento para animaciones */
.gpu-accelerate {
    transform: translateZ(0);
    will-change: transform;
}

/* ========================================
   MODO REDUCCIÓN DE MOVIMIENTO
   ======================================== */

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