/**
 * Estilos adicionais para Swipe Handler
 * Melhora a experiência visual do swipe nas galerias
 */

/* Container de galeria - preparar para swipe */
.galeria-principal {
    position: relative;
    overflow: hidden;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    touch-action: pan-y pinch-zoom;
}

.galeria-principal img {
    pointer-events: none; /* Prevenir drag nativo da imagem */
}

/* Lightbox image - preparar para swipe */
.lightbox-image {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    touch-action: pan-y pinch-zoom;
}

.lightbox-image img {
    pointer-events: none;
}

/* Indicador de swipe disponível (opcional - hint visual) */
.swipe-hint {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.6);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 8px;
    opacity: 0;
    animation: swipeHintFade 3s ease-in-out;
    pointer-events: none;
    z-index: 10;
}

.swipe-hint i {
    font-size: 1rem;
}

@keyframes swipeHintFade {
    0% { opacity: 0; transform: translateX(-50%) translateY(10px); }
    20% { opacity: 1; transform: translateX(-50%) translateY(0); }
    80% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(-10px); }
}

/* Animação de setas laterais durante swipe */
@keyframes swipeArrowLeft {
    0% { opacity: 0; transform: translateX(20px); }
    50% { opacity: 1; transform: translateX(0); }
    100% { opacity: 0; transform: translateX(-20px); }
}

@keyframes swipeArrowRight {
    0% { opacity: 0; transform: translateX(-20px); }
    50% { opacity: 1; transform: translateX(0); }
    100% { opacity: 0; transform: translateX(20px); }
}

/* Estado ativo de swipe */
.swiping {
    cursor: grabbing !important;
}

/* Melhorar transições nos botões de navegação */
.galeria-controls button,
.lightbox-nav {
    transition: all 0.3s ease;
}

.galeria-controls button:active,
.lightbox-nav:active {
    transform: scale(0.95);
}

/* Indicador de progresso de swipe (opcional) */
.swipe-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: rgba(255, 255, 255, 0.3);
    overflow: hidden;
}

.swipe-progress-bar {
    height: 100%;
    background: var(--cor-primaria);
    transition: width 0.3s ease;
    width: 0;
}

/* Mobile - melhorar área de toque */
@media (max-width: 768px) {
    .galeria-principal {
        -webkit-tap-highlight-color: transparent;
    }
    
    .galeria-controls button {
        width: 44px;
        height: 44px;
        min-width: 44px; /* Tamanho mínimo recomendado para touch */
    }
    
    .lightbox-nav {
        width: 50px;
        height: 50px;
    }
    
    /* Hint de swipe apenas no mobile */
    .swipe-hint {
        display: flex;
    }
}

/* Desktop - esconder hint */
@media (min-width: 769px) {
    .swipe-hint {
        display: none;
    }
}

/* Feedback visual ao arrastar */
.galeria-principal.dragging,
.lightbox-image.dragging {
    cursor: grabbing;
}

.galeria-principal.dragging img,
.lightbox-image.dragging img {
    transition: none; /* Remover transição durante drag para resposta imediata */
}

/* Efeito de brilho ao swipe bem-sucedido */
@keyframes swipeSuccess {
    0% { opacity: 0; }
    50% { opacity: 0.3; }
    100% { opacity: 0; }
}

.swipe-success-flash {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: white;
    pointer-events: none;
    animation: swipeSuccess 0.3s ease;
}

/* Smooth scrolling para thumbnails ao mudar de imagem */
.galeria-miniaturas {
    scroll-behavior: smooth;
}

/* Indicador ativo com destaque */
.thumbnail-item.active {
    transform: scale(1.05);
    transition: transform 0.3s ease;
}

/* Preload hint - primeira vez que visita */
.first-visit-hint {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--cor-primaria);
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 0.95rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    animation: bounceIn 0.6s ease, fadeOutDelay 4s ease forwards;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 10px;
}

.first-visit-hint i {
    font-size: 1.2rem;
}

@keyframes bounceIn {
    0% { opacity: 0; transform: translateX(-50%) scale(0.3); }
    50% { transform: translateX(-50%) scale(1.05); }
    70% { transform: translateX(-50%) scale(0.9); }
    100% { opacity: 1; transform: translateX(-50%) scale(1); }
}

@keyframes fadeOutDelay {
    0%, 80% { opacity: 1; }
    100% { opacity: 0; pointer-events: none; }
}

/* Accessibility - indicador para usuários de teclado */
.galeria-principal:focus-visible,
.lightbox-image:focus-visible {
    outline: 2px solid var(--cor-primaria);
    outline-offset: 4px;
}

/* Prevenir seleção de texto durante swipe */
.no-select {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Loading state durante transição de imagens */
.image-loading {
    position: relative;
}

.image-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}