/**
 * RolPlay EDU - Animaciones y Transiciones
 * Animaciones CSS reutilizables para toda la plataforma
 */

/* ========================================
   FADE ANIMATIONS
   ======================================== */

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

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ========================================
   SCALE ANIMATIONS
   ======================================== */

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

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

@keyframes scaleUp {
    from {
        transform: scale(0.95);
    }
    to {
        transform: scale(1);
    }
}

/* ========================================
   SLIDE ANIMATIONS
   ======================================== */

@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
    }
    to {
        transform: translateX(0);
    }
}

@keyframes slideInUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

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

@keyframes slideOutLeft {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(-100%);
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(100%);
    }
}

/* ========================================
   BOUNCE ANIMATIONS
   ======================================== */

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

@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);
    }
}

/* ========================================
   SPIN / ROTATE ANIMATIONS
   ======================================== */

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

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

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

@keyframes ping {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    75%, 100% {
        transform: scale(2);
        opacity: 0;
    }
}

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

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

.skeleton {
    background: linear-gradient(
        90deg,
        var(--gray-200) 25%,
        var(--gray-100) 50%,
        var(--gray-200) 75%
    );
    background-size: 1000px 100%;
    animation: shimmer 2s infinite linear;
    border-radius: var(--radius-lg);
}

.skeleton-line {
    height: 1rem;
    margin-bottom: var(--spacing-2);
}

.skeleton-circle {
    border-radius: var(--radius-full);
}

.skeleton-text {
    height: 0.875rem;
    margin-bottom: var(--spacing-2);
}

.skeleton-title {
    height: 1.5rem;
    margin-bottom: var(--spacing-4);
}

/* ========================================
   SHAKE ANIMATION
   ======================================== */

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

/* ========================================
   WIGGLE ANIMATION
   ======================================== */

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

/* ========================================
   HEARTBEAT ANIMATION
   ======================================== */

@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    14% {
        transform: scale(1.1);
    }
    28% {
        transform: scale(1);
    }
    42% {
        transform: scale(1.1);
    }
    70% {
        transform: scale(1);
    }
}

/* ========================================
   FLOAT ANIMATION
   ======================================== */

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

/* ========================================
   CLASES DE ANIMACIÓN (Para aplicar directamente)
   ======================================== */

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

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.animate-fade-in-down {
    animation: fadeInDown 0.6s ease-out;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.6s ease-out;
}

.animate-fade-in-right {
    animation: fadeInRight 0.6s ease-out;
}

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

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

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

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

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

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

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

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

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

/* ========================================
   DELAYS
   ======================================== */

.animate-delay-100 { animation-delay: 100ms; }
.animate-delay-200 { animation-delay: 200ms; }
.animate-delay-300 { animation-delay: 300ms; }
.animate-delay-500 { animation-delay: 500ms; }
.animate-delay-700 { animation-delay: 700ms; }
.animate-delay-1000 { animation-delay: 1000ms; }

/* ========================================
   DURACIONES
   ======================================== */

.animate-duration-fast { animation-duration: 150ms; }
.animate-duration-base { animation-duration: 300ms; }
.animate-duration-slow { animation-duration: 500ms; }
.animate-duration-slower { animation-duration: 1000ms; }

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

.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-shadow {
    transition: box-shadow var(--transition-base);
}

/* Duraciones de transición */
.transition-fast {
    transition-duration: var(--transition-fast);
}

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

/* Funciones de temporización */
.ease-in {
    transition-timing-function: var(--ease-in);
}

.ease-out {
    transition-timing-function: var(--ease-out);
}

.ease-in-out {
    transition-timing-function: var(--ease-in-out);
}

.ease-bounce {
    transition-timing-function: var(--ease-bounce);
}

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

.hover-lift {
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

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

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

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

.hover-shrink:hover {
    transform: scale(0.95);
}

.hover-brighten {
    transition: filter var(--transition-base);
}

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

/* ========================================
   REDUCED MOTION (Accesibilidad)
   ======================================== */

@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;
    }
}

/* ========================================
   BACKDROP BLUR
   ======================================== */

.backdrop-blur {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.backdrop-blur-sm {
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.backdrop-blur-lg {
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

/* ========================================
   ANIMACIONES DE PÁGINA
   ======================================== */

.page-enter {
    animation: fadeInUp 0.5s ease-out;
}

.page-exit {
    animation: fadeOut 0.3s ease-in;
}

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

.loading {
    position: relative;
    pointer-events: none;
    opacity: var(--opacity-60);
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1.5rem;
    height: 1.5rem;
    margin: -0.75rem 0 0 -0.75rem;
    border: 3px solid var(--gray-200);
    border-top-color: var(--sena-green);
    border-radius: var(--radius-full);
    animation: spin 0.6s linear infinite;
}

/* ========================================
   GRADIENT ANIMATIONS
   ======================================== */

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

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