/**
 * Animations CSS - Biblioteca de Conteudo V2
 *
 * Framework de animacoes modernas para engajamento.
 * Inclui: scroll reveal, stagger, hover 3D, celebracoes.
 *
 * @author Alessi Soncini (alessi@orienteme.com.br)
 * @version 1.0
 * @date 2025-12-16
 */

/* ========================================
   SCROLL PROGRESS BAR
   Barra de progresso de leitura no topo
   ======================================== */

.scroll-progress-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: transparent;
    z-index: calc(var(--om-z-sticky) + 10);
    pointer-events: none;
}

.scroll-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--om-primary) 0%, var(--om-primary-light) 100%);
    border-radius: 0 2px 2px 0;
    transition: width 50ms linear;
    box-shadow: 0 0 10px var(--om-primary-light);
}

/* ========================================
   SCROLL REVEAL ANIMATIONS
   Elementos aparecem ao entrar no viewport
   ======================================== */

/* Estado inicial - escondido */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--om-ease-duration) var(--om-ease-smooth),
                transform var(--om-ease-duration) var(--om-ease-smooth);
    /* Fallback: garante visibilidade após animação inicial */
    animation: scrollRevealFallback 0.8s ease-out 0.5s forwards;
}

/* Estado revelado */
.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
    animation: none; /* Cancela fallback quando JS funciona */
}

/* Fallback animation para quando JS não adiciona .revealed */
@keyframes scrollRevealFallback {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Variante: fade apenas */
.scroll-reveal-fade {
    opacity: 0;
    transition: opacity var(--om-ease-duration) var(--om-ease-smooth);
    animation: scrollRevealFadeFallback 0.8s ease-out 0.5s forwards;
}

.scroll-reveal-fade.revealed {
    opacity: 1;
    animation: none;
}

@keyframes scrollRevealFadeFallback {
    to {
        opacity: 1;
    }
}

/* Variante: slide da esquerda */
.scroll-reveal-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity var(--om-ease-duration) var(--om-ease-smooth),
                transform var(--om-ease-duration) var(--om-ease-smooth);
}

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

/* Variante: slide da direita */
.scroll-reveal-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity var(--om-ease-duration) var(--om-ease-smooth),
                transform var(--om-ease-duration) var(--om-ease-smooth);
}

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

/* Variante: scale up */
.scroll-reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity var(--om-ease-duration) var(--om-ease-smooth),
                transform var(--om-ease-duration) var(--om-ease-spring);
}

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

/* ========================================
   STAGGER ANIMATIONS
   Delay progressivo entre elementos
   ======================================== */

.stagger-item {
    opacity: 0;
    transform: translateY(20px);
    animation: staggerFadeUp var(--om-ease-duration) var(--om-ease-smooth) forwards;
}

/* Delays para cada item (ate 12 items) */
.stagger-item:nth-child(1) { animation-delay: calc(var(--om-stagger-delay) * 0); }
.stagger-item:nth-child(2) { animation-delay: calc(var(--om-stagger-delay) * 1); }
.stagger-item:nth-child(3) { animation-delay: calc(var(--om-stagger-delay) * 2); }
.stagger-item:nth-child(4) { animation-delay: calc(var(--om-stagger-delay) * 3); }
.stagger-item:nth-child(5) { animation-delay: calc(var(--om-stagger-delay) * 4); }
.stagger-item:nth-child(6) { animation-delay: calc(var(--om-stagger-delay) * 5); }
.stagger-item:nth-child(7) { animation-delay: calc(var(--om-stagger-delay) * 6); }
.stagger-item:nth-child(8) { animation-delay: calc(var(--om-stagger-delay) * 7); }
.stagger-item:nth-child(9) { animation-delay: calc(var(--om-stagger-delay) * 8); }
.stagger-item:nth-child(10) { animation-delay: calc(var(--om-stagger-delay) * 9); }
.stagger-item:nth-child(11) { animation-delay: calc(var(--om-stagger-delay) * 10); }
.stagger-item:nth-child(12) { animation-delay: calc(var(--om-stagger-delay) * 11); }

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

/* Container que ativa stagger quando visivel */
.stagger-container.active .stagger-item {
    animation-play-state: running;
}

.stagger-container:not(.active) .stagger-item {
    animation-play-state: paused;
    opacity: 0;
}

/* ========================================
   CARD HOVER 3D EFFECTS
   Tilt e elevacao nos cards
   ======================================== */

.card-3d {
    transform-style: preserve-3d;
    perspective: 1000px;
    transition: transform var(--om-transition-base),
                box-shadow var(--om-transition-base);
}

.card-3d:hover {
    transform: translateY(-8px) rotateX(2deg) rotateY(-2deg);
    box-shadow: var(--om-shadow-xl),
                0 20px 40px rgba(65, 140, 131, 0.15);
}

/* Variante: tilt mais sutil */
.card-3d-subtle:hover {
    transform: translateY(-4px) rotateX(1deg) rotateY(-1deg);
    box-shadow: var(--om-shadow-lg);
}

/* Inner content para parallax interno */
.card-3d .card-3d-inner {
    transition: transform var(--om-transition-fast);
}

.card-3d:hover .card-3d-inner {
    transform: translateZ(20px);
}

/* Shine effect no hover */
.card-shine {
    position: relative;
    overflow: hidden;
}

.card-shine::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: left 0.5s ease;
    pointer-events: none;
    z-index: 1;
}

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

/* ========================================
   CARD IMAGE ZOOM
   Zoom suave na imagem ao hover
   ======================================== */

.card-image-zoom {
    overflow: hidden;
}

.card-image-zoom img {
    transition: transform var(--om-transition-slow);
    will-change: transform;
}

.card-image-zoom:hover img {
    transform: scale(1.08);
}

/* ========================================
   BADGE ANIMATIONS
   Badges pulsando e animados
   ======================================== */

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

@keyframes badgePulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(65, 140, 131, 0.4);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 0 0 8px rgba(65, 140, 131, 0);
    }
}

.badge-new {
    animation: badgeNew 0.6s var(--om-ease-spring);
}

@keyframes badgeNew {
    0% {
        transform: scale(0) rotate(-10deg);
        opacity: 0;
    }
    60% {
        transform: scale(1.2) rotate(5deg);
    }
    100% {
        transform: scale(1) rotate(0);
        opacity: 1;
    }
}

/* Badge "Popular" com gradiente */
.badge-popular {
    background: linear-gradient(135deg, #ff6b6b 0%, #feca57 100%);
    color: white;
    animation: badgeShimmer 3s ease infinite;
}

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

/* ========================================
   CELEBRATION ANIMATIONS
   Confetti e celebracoes
   ======================================== */

.celebration-overlay {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: var(--om-z-tooltip);
    overflow: hidden;
}

/* Confetti pieces */
.confetti {
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--om-primary);
    animation: confettiFall 3s ease-out forwards;
}

.confetti:nth-child(odd) {
    background: var(--om-primary-light);
}

.confetti:nth-child(3n) {
    background: var(--om-warning);
    width: 8px;
    height: 14px;
}

.confetti:nth-child(4n) {
    background: var(--om-secondary);
    border-radius: 50%;
}

@keyframes confettiFall {
    0% {
        transform: translateY(-100vh) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translateY(100vh) rotate(720deg);
        opacity: 0;
    }
}

/* Star burst effect */
.star-burst {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: var(--om-z-tooltip);
}

.star {
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--om-warning);
    clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
    animation: starBurst 1s ease-out forwards;
}

@keyframes starBurst {
    0% {
        transform: translate(0, 0) scale(0) rotate(0deg);
        opacity: 1;
    }
    100% {
        transform: translate(var(--tx, 100px), var(--ty, -100px)) scale(1) rotate(360deg);
        opacity: 0;
    }
}

/* Success checkmark animation */
.success-checkmark {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--om-success);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: successPop 0.5s var(--om-ease-spring);
}

.success-checkmark svg {
    width: 40px;
    height: 40px;
    stroke: white;
    stroke-width: 3;
    fill: none;
    stroke-dasharray: 50;
    stroke-dashoffset: 50;
    animation: checkDraw 0.5s ease forwards 0.3s;
}

@keyframes successPop {
    0% {
        transform: scale(0);
    }
    60% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes checkDraw {
    to {
        stroke-dashoffset: 0;
    }
}

/* ========================================
   STREAK FIRE ANIMATION
   Icone de fogo para streaks
   ======================================== */

.streak-fire {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.streak-fire .fire-icon {
    animation: fireFlicker 0.5s ease-in-out infinite alternate;
    color: #ff6b35;
    filter: drop-shadow(0 0 4px rgba(255, 107, 53, 0.5));
}

@keyframes fireFlicker {
    0% {
        transform: scale(1) rotate(-2deg);
    }
    100% {
        transform: scale(1.1) rotate(2deg);
    }
}

/* Streak counter glow */
.streak-count {
    font-weight: bold;
    color: var(--om-text-primary);
    text-shadow: 0 0 10px rgba(255, 107, 53, 0.3);
}

.streak-count.milestone {
    animation: streakMilestone 1s ease;
}

@keyframes streakMilestone {
    0%, 100% {
        transform: scale(1);
    }
    25% {
        transform: scale(1.3);
        color: var(--om-warning);
    }
    50% {
        transform: scale(1.1);
    }
}

/* ========================================
   PROGRESS RING
   Anel de progresso circular
   ======================================== */

.progress-ring {
    transform: rotate(-90deg);
}

.progress-ring-circle {
    fill: transparent;
    stroke: var(--om-border-light);
    stroke-width: 8;
}

.progress-ring-progress {
    fill: transparent;
    stroke: var(--om-primary);
    stroke-width: 8;
    stroke-linecap: round;
    transition: stroke-dashoffset 0.5s var(--om-ease-smooth);
}

/* ========================================
   BUTTON RIPPLE EFFECT
   Efeito ripple ao clicar
   ======================================== */

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

.btn-ripple .ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    transform: scale(0);
    animation: rippleEffect 0.6s ease-out;
    pointer-events: none;
}

@keyframes rippleEffect {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* ========================================
   SKELETON LOADING ENHANCED
   Loading skeleton melhorado
   ======================================== */

.skeleton-v2 {
    background: linear-gradient(
        90deg,
        var(--om-bg-primary) 0%,
        #e8eef3 25%,
        var(--om-bg-primary) 50%,
        #e8eef3 75%,
        var(--om-bg-primary) 100%
    );
    background-size: 400% 100%;
    animation: skeletonShimmer 1.5s ease infinite;
    border-radius: var(--om-radius-md);
}

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

.skeleton-v2.skeleton-text {
    height: 16px;
    margin-bottom: 8px;
}

.skeleton-v2.skeleton-title {
    height: 24px;
    width: 70%;
    margin-bottom: 12px;
}

.skeleton-v2.skeleton-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
}

.skeleton-v2.skeleton-card {
    height: 200px;
}

/* ========================================
   TRENDING INDICATOR
   Indicador de trending
   ======================================== */

.trending-indicator {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--om-error);
    font-size: var(--om-text-xs);
    font-weight: var(--om-font-semibold);
}

.trending-indicator .trending-arrow {
    animation: trendingBounce 1s ease infinite;
}

@keyframes trendingBounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-3px);
    }
}

/* ========================================
   TOAST NOTIFICATIONS
   Notificacoes toast
   ======================================== */

.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: var(--om-z-tooltip);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.toast {
    padding: 16px 24px;
    background: var(--om-bg-secondary);
    border-radius: var(--om-radius-lg);
    box-shadow: var(--om-shadow-xl);
    border-left: 4px solid var(--om-primary);
    animation: toastSlideIn 0.3s var(--om-ease-spring);
    max-width: 350px;
}

.toast.toast-exit {
    animation: toastSlideOut 0.3s ease forwards;
}

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

@keyframes toastSlideOut {
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

.toast-success {
    border-left-color: var(--om-success);
}

.toast-warning {
    border-left-color: var(--om-warning);
}

.toast-error {
    border-left-color: var(--om-error);
}

/* ========================================
   COUNTER ANIMATION
   Animacao de contadores
   ======================================== */

.counter-animate {
    display: inline-block;
    transition: transform 0.3s var(--om-ease-spring);
}

.counter-animate.updated {
    animation: counterPop 0.4s var(--om-ease-spring);
}

@keyframes counterPop {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.3);
        color: var(--om-primary);
    }
    100% {
        transform: scale(1);
    }
}

/* ========================================
   HEART LIKE ANIMATION
   Animacao de coracao ao favoritar
   ======================================== */

.heart-like {
    cursor: pointer;
    transition: transform 0.2s ease;
}

.heart-like:active {
    transform: scale(0.9);
}

.heart-like.liked {
    animation: heartPop 0.4s var(--om-ease-spring);
}

@keyframes heartPop {
    0% {
        transform: scale(1);
    }
    25% {
        transform: scale(1.3);
    }
    50% {
        transform: scale(0.95);
    }
    100% {
        transform: scale(1);
    }
}

/* Particulas ao curtir */
.heart-particles {
    position: absolute;
    pointer-events: none;
}

.heart-particle {
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--om-error);
    border-radius: 50%;
    animation: heartParticle 0.6s ease-out forwards;
}

@keyframes heartParticle {
    0% {
        transform: translate(0, 0) scale(1);
        opacity: 1;
    }
    100% {
        transform: translate(var(--tx), var(--ty)) scale(0);
        opacity: 0;
    }
}

/* ========================================
   REDUCED MOTION
   Respeita preferencias do usuario
   ======================================== */

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

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

    .stagger-item {
        opacity: 1;
        transform: none;
    }
}

/* ========================================
   MOBILE ADJUSTMENTS
   Ajustes para mobile
   ======================================== */

@media (max-width: 768px) {
    .scroll-progress-bar {
        height: 2px;
    }

    .card-3d:hover {
        transform: translateY(-4px);
    }

    .toast-container {
        left: 16px;
        right: 16px;
        bottom: 16px;
    }

    .toast {
        max-width: none;
    }
}