/* Estilos para a seção de instâncias do Fediverso */

/* Ajustes para integrar com o layout da página */
.post .instances-filters {
  margin: 2rem 0 3rem 0;
}

.post .instances-grid {
  margin-top: 2rem;
}

/* Container dos filtros de tipo de instância */
.instances-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin: 2rem 0 3rem 0;
  padding: 0 1rem;
}

.filter-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 8px 20px;
  font-weight: 600;
  font-size: 14px;
  background: var(--bg-white, #ffffff);
  color: var(--text-primary, #333);
  border: 2px solid var(--border-light, #e0e0e0);
  border-radius: var(--border-radius-xl);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  white-space: nowrap;
  box-shadow: var(--shadow-light, 0 1px 3px rgba(0, 0, 0, 0.1));
}

.filter-btn:hover,
.filter-btn:focus {
  border-color: var(--primary-color-dark);
  color: var(--primary-color-dark) !important;
  background: var(--bg-white, #ffffff);
  box-shadow: var(--shadow-medium, 0 4px 6px rgba(0, 0, 0, 0.1));
  transform: translateY(-2px);
}

.filter-btn.active {
  background: var(--primary-color-dark);
  color: var(--text-white) !important;
  border-color: var(--primary-color-dark);
  box-shadow: var(--shadow-medium, 0 4px 6px rgba(0, 0, 0, 0.1));
}

/* Layout em grade para exibir os cards de instâncias */
.instances-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  margin-top: 2rem;
  padding: 0 1rem;
}

/* Estilo base de cada card de instância */
.instance-card {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--bg-white, #ffffff);
  border: 2px solid var(--border-light, #e0e0e0);
  border-radius: var(--border-radius-lg);
  padding: 24px;
  transition: all var(--transition-normal);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  will-change: transform;
}

.instance-card:hover {
  border-color: var(--app-color, #18bfef);
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  text-decoration: none;
  color: inherit;
}

.instance-card:focus {
  outline: 2px solid var(--app-color, #18bfef);
  outline-offset: 2px;
}

/* Linha colorida no topo que identifica o tipo de instância */
.instance-card-accent {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--app-color, #18bfef);
}

/* Seção do cabeçalho com ícone e título */
.instance-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

/* Container do ícone da aplicação */
.instance-card-icon {
  width: 56px;
  height: 56px;
  border-radius: 8px;
  background: var(--bg-white, #ffffff);
  border: 2px solid var(--app-color, #18bfef);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.instance-card-icon img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  display: block;
}

/* Área de informações básicas da instância */
.instance-card-info {
  flex: 1;
  min-width: 0;
}

.instance-card-title {
  font-size: 18px;
  margin: 0 0 4px 0;
  color: var(--text-primary) !important;
  font-weight: 700;
  line-height: 1.3;
}

.instance-card-title:hover {
  color: var(--text-primary) !important;
}

.instance-card-domain {
  color: var(--text-secondary);
  font-size: 13px;
  font-family: 'Courier New', monospace;
  font-weight: 500;
  margin: 0;
}

/* Texto descritivo da instância */
.instance-card-description {
  color: var(--text-secondary);
  margin: 0 0 20px 0;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 14px;
}

/* Container das estatísticas da instância */
.instance-card-stats {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

/* Cada item de estatística em formato de pílula */
.instance-card-stat-pill {
  background: var(--bg-lighter, #f5f5f5);
  color: var(--text-primary, #333);
  padding: 6px 12px;
  border-radius: 16px;
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border-light, #e0e0e0);
  min-height: 28px;
}

/* Pílula específica para usuários com cor da instância */
.instance-card-stat-pill:first-child {
  background: var(--app-color, #18bfef);
  color: var(--text-white, #ffffff);
  border-color: var(--app-color, #18bfef);
}

.instance-card-stat-pill i {
  font-size: 12px;
  display: inline-block;
  width: 14px;
  text-align: center;
  font-family: "Font Awesome 6 Free" !important;
  font-weight: 700;
}

/* Área de botões de ação do card */
.instance-card-actions {
  margin-top: 20px;
}

.instance-card-link {
  display: block;
  text-align: center;
  padding: 12px 16px;
  background: var(--app-color, #18bfef);
  color: #ffffff;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 14px;
}

.instance-card-link:hover,
.instance-card-link:focus {
  background: var(--app-color-dark);
  color: #ffffff !important;
  text-decoration: none;
  transform: translateY(-1px);
}

/* Definindo cores específicas para cada tipo de aplicação */
.instance-card[data-app="mastodon"] {
  --app-color: var(--mastodon-color);
  --app-color-dark: var(--mastodon-color-dark);
}

.instance-card[data-app="lemmy"] {
  --app-color: var(--lemmy-color);
  --app-color-dark: var(--lemmy-color-dark);
}

.instance-card[data-app="pixelfed"] {
  --app-color: var(--pixelfed-color);
  --app-color-dark: var(--pixelfed-color-dark);
}

.instance-card[data-app="friendica"] {
  --app-color: var(--friendica-color);
  --app-color-dark: var(--friendica-color-dark);
}

.instance-card[data-app="pleroma"] {
  --app-color: var(--pleroma-color);
  --app-color-dark: var(--pleroma-color-dark);
}

.instance-card[data-app="peertube"] {
  --app-color: var(--peertube-color);
  --app-color-dark: var(--peertube-color-dark);
}

.instance-card[data-app="akkoma"] {
  --app-color: var(--akkoma-color);
  --app-color-dark: var(--akkoma-color-dark);
}

.instance-card[data-app="misskey"] {
  --app-color: var(--misskey-color);
  --app-color-dark: var(--misskey-color-dark);
}

.instance-card[data-app="funkwhale"] {
  --app-color: var(--funkwhale-color);
  --app-color-dark: var(--funkwhale-color-dark);
}

.instance-card[data-app="ghost"] {
  --app-color: var(--ghost-color);
  --app-color-dark: var(--ghost-color-dark);
}

.instance-card[data-app="gotosocial"] {
  --app-color: var(--gotosocial-color);
  --app-color-dark: var(--gotosocial-color-dark);
}

.instance-card[data-app="plume"] {
  --app-color: var(--plume-color);
  --app-color-dark: var(--plume-color-dark);
}

.instance-card[data-app="wordpress"] {
  --app-color: var(--wordpress-color);
  --app-color-dark: var(--wordpress-color-dark);
}

/* Ajustes para diferentes tamanhos de tela */
@media (max-width: 768px) {
  .instances-filters {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 16px;
    margin: 1.5rem 0 2rem 0;
  }
  
  .filter-btn {
    white-space: nowrap;
    flex-shrink: 0;
    font-size: 13px;
    padding: 6px 16px;
    min-height: 36px;
  }
  
  .instances-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .instance-card {
    padding: 20px;
  }
  
  .instance-card-stats {
    justify-content: center;
  }
  
  .instance-card-header {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }
  
  .instance-card-icon {
    width: 48px;
    height: 48px;
  }
  
  .instance-card-icon img {
    width: 32px;
    height: 32px;
  }
  
  .instance-card-title {
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .instances-grid {
    gap: 16px;
    padding: 0 0.5rem;
  }
  
  .instance-card {
    padding: 16px;
  }
  
  .instance-card-stats {
    flex-direction: column;
    align-items: center;
    gap: 8px;
  }
  
  .instance-card-stat-pill {
    justify-content: center;
    min-width: 120px;
  }
  
  .instances-filters {
    margin: 1rem 0 2rem 0;
    padding: 0 0.5rem;
  }
}

/* Mensagens de carregamento ou quando não há resultados */
.instances-loading,
.instances-empty {
  text-align: center;
  padding: 64px 32px;
  color: var(--text-secondary, #666);
  font-weight: 600;
  display: none;
}

.instances-empty {
  display: none;
}

.instances-empty-content {
  text-align: center;
  padding: 64px 32px;
  color: var(--text-secondary, #666);
}

.instances-empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.instances-empty-title {
  font-size: 18px;
  margin: 0 0 8px 0;
  font-weight: 600;
}

.instances-empty-description {
  font-size: 14px;
  margin: 0;
  opacity: 0.7;
}

.instances-counter {
  text-align: center;
  margin: 20px 0;
  color: var(--text-secondary, #666);
  font-size: 14px;
  font-weight: 500;
}

/* Animação de carregamento */
.instances-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #e0e0e0;
  border-top: 4px solid #18bfef;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 16px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Desativar animações para usuários que preferem movimento reduzido */
@media (prefers-reduced-motion: reduce) {
  .instances-spinner {
    animation: none;
    border-top-color: #18bfef;
  }
  
  .instance-card {
    transition: none;
  }
  
  .instance-card:hover {
    transform: none;
  }
  
  .instance-card-link:hover {
    transform: none;
  }
}