:root {
  --background-color: #1e1e1e;
  --fundo-card: #2c2c2c;
  --accent-color: #3b82f6;
  --border-color: #30363d;
  --text-color: #ffffff;
  --cor-do-link: #4fc3f7;
  --cor-da-shadow: rgba(0, 0, 0, 0.3);
  --cor-botao-filtro: #999;
}

.light {
  --background-color: #f9fafb;
  --fundo-card: #e1e1e1;
  --accent-color: #4f46e5;
  --border-color: #d1d5db;
  --text-color: #000000;
  --cor-do-link: #4f46e5;
  --cor-da-shadow: rgba(0, 0, 0, 0.1);
  --cor-botao-filtro: #ccc;
}

body {
  background-color: var(--background-color);
  color: var(--text-color);
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 40px 20px;
}

.page {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.container {
  max-width: 900px;
  width: 100%;
}

h1 {
  text-align: center;
  margin-bottom: 40px;
}

.tema-centralizado {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}

#language-bar {
  display: block;
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 1000;
}

.language-selector-wrapper {
  position: relative;
  display: inline-block;
}

.dropbtn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--cor-botao-filtro);
  border: 1px solid var(--cor-botao-filtro);
  padding: 0.4rem 0.6rem;
  border-radius: 8px;
  cursor: pointer;
}

.flag {
  width: 20px;
  height: auto;
}

.dropdown-content-lang {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  background-color: var(--fundo-card);
  border-radius: 8px;
  margin-top: 0.4rem;
  z-index: 1001;
  min-width: 160px;
}

.dropdown-content-lang a {
  padding: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-color);
  text-decoration: none;
}

.language-selector-wrapper.show .dropdown-content-lang {
  display: block;
}

/* Tema */
#switch {
  width: 60px;
  height: 30px;
  background: var(--border-color);
  border-radius: 30px;
  position: relative;
  cursor: pointer;
  transition: background 0.3s;
}

#switch button {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 24px;
  height: 24px;
  background: var(--accent-color);
  border-radius: 50%;
  border: none;
  transition: transform 0.3s ease;
  transform: translateX(0);
}

.light #switch button {
  transform: translateX(30px);
}


/* ===== BARRA DE CONTROLE ===== */
.barra-controle {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.barra-controle > .esquerda,
.barra-controle > .centro,
.barra-controle > .direita {
  display: flex;
  align-items: center;
  position: relative; /* Necessário para dropdown funcionar */
}

/* Botões padrão */
.dropbtn {
  background-color: var(--fundo-card);
  color: var(--text-color);
  padding: 10px 16px;
  font-size: 14px;
  font-weight: bold;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: 0.3s;
}

.dropbtn:hover {
  background-color: var(--cor-botao-filtro);
  box-shadow: 0 8px 16px var(--cor-da-shadow);
}

.arrow {
  margin-left: 5px;
  display: inline-block;
  transition: transform 0.3s ease;
}

.arrow.open {
  transform: rotate(180deg);
}

/* Dropdown geral */
.dropdown-content {
  display: none;
  position: absolute;
  background-color: var(--fundo-card);
  border-radius: 1px;
  box-shadow: 0 8px 16px var(--cor-da-shadow);
  z-index: 1;
  margin-top: 5px;
  max-width: 180px;
  top: 100%;
  right: -60; /* ou left: 0 se quiser alinhado à esquerda */
}

.dropdown-content button {
  color: var(--text-color);
  padding: 10px 16px;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-size: 14px;
  cursor: pointer;
  display: inline-block;
}

.dropdown-content2 button:hover {
  background-color: var(--cor-botao-filtro);
}

.dropdown-content2 {
  display: none;
  position: absolute;
  background-color: var(--fundo-card);
  border-radius: 1px;
  box-shadow: 0 8px 16px var(--cor-da-shadow);
  z-index: 1;
  margin-top: 5px;
  max-width: 180px;
  top: 100%;
  right: -60; /* ou left: 0 se quiser alinhado à esquerda */
}

.dropdown-content2 button {
  color: var(--text-color);
  padding: 10px 16px;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-size: 15px;
  cursor: pointer;
  display: inline-block;
}

.dropdown-content button:hover {
  background-color: var(--cor-botao-filtro);
}

.dropdown-submenu {
  flex-direction: row;
  justify-content: start;
  display: flex;
  max-width: 500px;
  position: absolute;
  background-color: var(--fundo-card);
  box-shadow: 5px 8px 16px var(--cor-da-shadow);
  left: 100%;
  top: 0%;
}

.dropdown-submenu button {
  padding: 10px 16px;
  position: relative;
  max-width: 200px;
  border: none;
  background: none;
  color: var(--text-color);
  cursor: pointer;
  font-size: 13px;
  white-space: nowrap;
}

.dropdown-submenu button:hover {
  background-color: var(--cor-botao-filtro);
}

/* Front-end submenu */
.frontend-wrapper {
  position: relative; /* para o submenu abrir embaixo do botão */
}

.dropdown-frontend {
  display: none;
  position: absolute;
  background-color: var(--fundo-card);
  box-shadow: 4px 4px 12px var(--cor-da-shadow);
  max-width: 150px;
  z-index: 10;
}

.dropdown-frontend button {
  font-size: 13px;
  width: 100%;
  padding: 8px 14px;
  border: none;
  background: none;
  color: var(--text-color);
  text-align: left;
  cursor: pointer;
}

.dropdown-frontend button:hover {
  background-color: var(--cor-botao-filtro);
}

/* Botão de baixar */
.baixar-btn {
  background-color: var(--fundo-card);
  color: var(--cor-do-link);
  text-decoration: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-weight: bold;
  transition: 0.3s;
  border: none;
  cursor: pointer;
}

.baixar-btn:hover {
  background-color: var(--cor-botao-filtro);
  box-shadow: 0 8px 16px var(--cor-da-shadow);
}

/* ===== CERTIFICADO ===== */
.certificado {
  display: flex;
  gap: 15px;
  background-color: var(--fundo-card);
  padding: 15px;
  border-radius: 12px;
  margin-bottom: 20px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.certificado:hover {
  transform: scale(1.02);
  box-shadow: 0 10px 25px var(--cor-da-shadow);
}

.certificado img {
  width: 220px;
  border-radius: 8px;
}

.conteudo {
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 1;
}

.conteudo h2 {
  margin-top: 0;
  font-size: 1.1rem;
  font-weight: bold;
}

.conteudo p {
  margin: 8px 0;
}

.link-certificado {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  flex-wrap: wrap;
  gap: 10px;
}

.link-certificado a {
  color: var(--cor-do-link);
  text-decoration: none;
  font-weight: 500;
}

.link-certificado a:hover {
  text-decoration: underline;
}

/* Voltar ao topo */
.voltar-topo {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: var(--cor-do-link);
  color: var(--background-color);
  padding: 10px 15px;
  border-radius: 50%;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.2rem;
}

/* ===== RESPONSIVIDADE GERAL ===== */

/* Telas muito pequenas (até 480px) - celulares menores */
@media (max-width: 480px) {
  body {
    padding: 20px 10px;
  }

  h1 {
    font-size: 1.2rem;
  }

  .dropbtn, .baixar-btn {
    font-size: 12px;
    padding: 8px 10px;
  }

  .certificado img {
    width: 100%; /* imagem ocupa a largura toda no celular */
    max-width: 300px;
  }

  .conteudo h2 {
    font-size: 0.9rem;
  }
}

/* Telas médias (tablets até 768px) */
@media (max-width: 768px) {
  .barra-controle {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .barra-controle > .esquerda,
  .barra-controle > .centro,
  .barra-controle > .direita {
    justify-content: center;
    width: 100%;
  }

  .certificado {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .conteudo {
    align-items: center;
  }

  .link-certificado {
    flex-direction: column;
    align-items: center;
  }

  /* Ajusta dropdowns para não saírem da tela */
  .dropdown-content,
  .dropdown-content2 {
    left: 0;
    right: auto;
    width: 100%;
    max-width: none;
    position: relative;
  }

  .dropdown-submenu {
    position: relative;
    flex-direction: column;
    box-shadow: none;
    width: 100%;
    top: auto;
    left: auto;
  }

  .dropdown-frontend {
    position: relative;
    width: 100%;
  }
}

/* Telas grandes (desktops acima de 1200px) */
@media (min-width: 1200px) {
  .container {
    max-width: 1200px;
  }

  .certificado img {
    width: 260px;
  }

  .conteudo h2 {
    font-size: 1.3rem;
  }
}