@import url("https://fonts.googleapis.com/css2?family=Sansation:ital,wght@0,300;0,400;0,700;1,300;1,400;1,700&display=swap");

* {
  box-sizing: border-box; /* Garante que padding e border não aumentem o tamanho total do elemento */
}

body {
  background-color: #000000; /* Retornando ao fundo preto original */
  /* Adicionando a textura sutil de ícones sobre o fundo preto */
  background-image: radial-gradient(
      circle at 25% 25%,
      rgba(255, 255, 255, 0.02),
      /* Gradiente ainda mais sutil */ rgba(255, 255, 255, 0) 40%
    ),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 80 80'%3E%3Cg fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm-2-20v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zM22 28v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  color: #e2e1dd;
  font-family: "Sansation", sans-serif;
  padding: 0 2rem;
  overflow-x: hidden; /* Previne scroll horizontal indesejado */
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
  /* Efeito de gradiente no texto */
  background: linear-gradient(90deg, #00ffcc, #c77dff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  /* Brilho sutil para o efeito neon */
  text-shadow: 0 0 15px rgba(0, 255, 204, 0.25);
}

.logo-container {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1rem;
}

header {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 32px;
}

.search-container {
  width: 100%;
  max-width: 500px;
  position: relative; /* Necessário para posicionar o ícone */
}

.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: #555; /* Cor inicial do ícone */
  transition: color 0.3s ease;
  pointer-events: none; /* Permite clicar através do ícone no input */
}

header input {
  width: 100%;
  padding: 12px 16px 12px 50px; /* Aumenta o padding esquerdo para dar espaço ao ícone */
  margin: 16px 0;
  border: 1px solid #333; /* Borda sutil */
  background-color: rgba(0, 0, 0, 0.2); /* Fundo semi-transparente */
  border-radius: 8px;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  color: #fff;
}

/* Estiliza o texto do placeholder */
header input::placeholder {
  color: #777;
  transition: opacity 0.3s ease;
}

header input:focus {
  outline: none;
  border-color: rgba(0, 255, 204, 0.5); /* Borda com a cor do tema */
  background-color: rgba(0, 0, 0, 0.1);
  /* Efeito de brilho "neon" */
  box-shadow: 0 0 10px rgba(0, 255, 204, 0.3), 0 0 20px rgba(0, 255, 204, 0.2);
}

/* Quando o input está focado, o ícone fica ciano e o placeholder some */
header input:focus + .search-icon,
.search-container:has(input:focus) .search-icon {
  color: #00ffcc;
}

.filters-container {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 2rem 0 1rem 0;
}

.filter-btn {
  padding: 8px 16px;
  border: 1px solid #333;
  background-color: transparent;
  color: #c5c5c5;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: capitalize;
}

.filter-btn:hover,
.filter-btn.active {
  background-color: #00ffcc;
  color: #110714;
  border-color: #00ffcc;
  transform: translateY(-2px);
}

.cards-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 16px;
}

/* Estilo dos cards */
.card {
  padding: 1.5rem;
  margin: 16px;
  border-radius: 8px;
  color: #c5c5c5;
  background: linear-gradient(145deg, #1a0a1f, #110714);
  border: 1px solid transparent;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
  max-width: 30rem;
  position: relative; /* Necessário para o pseudo-elemento ::before */
  overflow: hidden;
  /* Define o estado inicial para evitar o "flicker" na animação */
  opacity: 0;
}
.card {
  animation: fadeInCard 0.6s ease-out forwards;
}

/* Efeito de borda com gradiente */
.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 8px;
  border: 1px solid transparent;
  background: linear-gradient(145deg, #00ffcc, #2b1030) border-box;
  -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: destination-out;
  mask-composite: exclude;
  opacity: 0.3;
  transition: opacity 0.3s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
}

.card:hover::before {
  opacity: 1;
  animation: pulsoSinapse 1.2s ease-in-out;
}

.card h3 {
  color: #ffffff;
  margin-top: 0.5rem;
  margin-bottom: 1rem;
}

.card small.tag {
  display: inline-block;
  background-color: #00ffcc;
  color: #2b1030;
  font-weight: bold;
  padding: 4px 8px;
  border-radius: 4px;
  margin-bottom: 1rem;
}
.card .aplicacao {
  background-color: rgba(0, 0, 0, 0.2);
  padding: 1rem;
  border-radius: 6px;
  margin-top: 1rem;
  border-left: 3px solid #00ffcc;
}

.card .tags-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.card .tag-item {
  background-color: rgba(255, 255, 255, 0.1);
  color: #00ffcc;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
}

@keyframes pulsoSinapse {
  0%,
  100% {
    opacity: 1;
    filter: brightness(1.8);
  }
  50%,
  99% {
    opacity: 0.2;
    filter: brightness(1);
  }
}

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

/* --- Footer --- */
footer {
  text-align: center;
  padding: 2.5rem 0 2rem 0;
  margin-top: 3rem;
  border-top: 1px solid #333;
  color: #c5c5c5;
  font-size: 0.9rem;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.social-links a {
  color: #c5c5c5;
  margin: 0 0.75rem;
  transition: color 0.3s ease, transform 0.3s ease;
  display: inline-block;
}

.social-links a:hover {
  color: #00ffcc;
  transform: translateY(-3px);
}

.social-links svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.github-link a {
  color: #c5c5c5;
  text-decoration: none;
  transition: color 0.3s ease;
}

.github-link a:hover {
  color: #00ffcc;
}

/* --- Estilo da Barra de Rolagem --- */
::-webkit-scrollbar {
  width: 12px;
  background-color: #110714; /* Cor de fundo da trilha */
}

::-webkit-scrollbar-thumb {
  background-color: #333; /* Cor do polegar da barra de rolagem */
  border-radius: 10px;
  border: 3px solid #110714; /* Espaçamento ao redor do polegar */
}

::-webkit-scrollbar-thumb:hover {
  background-color: #555; /* Cor do polegar ao passar o mouse */
}

/* --- Botão Voltar para o Topo --- */
#back-to-top-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background-color: #333;
  color: #ffffff; /* Alterado para branco */
  border: 1px solid #555;
  border-radius: 50%;
  cursor: pointer;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;

  /* Escondido por padrão */
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease,
    background-color 0.3s ease;
}

#back-to-top-btn.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

#back-to-top-btn:hover {
  background-color: #444;
  transform: scale(1.1);
}

/* --- Media Queries para Responsividade --- */
@media (max-width: 768px) {
  body {
    padding: 0 1rem; /* Reduz o espaçamento lateral em telas menores */
  }

  .logo-container {
    flex-direction: column; /* Empilha o logo e o texto */
    text-align: center;
    gap: 0.1rem;
  }

  .logo-container span {
    display: none; /* Esconde o separador "|" */
  }

  .logo-container p {
    font-size: 0.8rem;
  }

  h1 {
    font-size: 2rem; /* Reduz o tamanho do título principal */
    margin-bottom: 0;
  }

  header input {
    font-size: 0.85rem;
  }

  .filters-container {
    margin: 1.5rem 0;
  }

  .card {
    padding: 1.25rem;
    margin: 8px; /* Reduz a margem dos cards */
    width: 100%; /* Faz os cards ocuparem a largura total */
    max-width: 100%;
  }
}

/* --- Estilos da Paginação --- */
.pagination-container {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 2rem 0;
}

.page-btn {
  background-color: transparent;
  border: 2px solid #c5c5c5;
  color: #c5c5c5;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
  font-weight: bold;
  font-family: "Sansation", sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: all 0.3s ease;
}

.page-btn:hover {
  color: #00ffcc;
  border-color: #00ffcc;
  transform: translateY(-3px);
}

.page-btn.active {
  background-color: #00ffcc;
  color: #110714;
  border-color: #00ffcc;
}