/* ===============================
   Reset básico
================================*/
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ===============================
   Fonte e corpo
================================*/
body {
  font-family: 'Poppins', Arial, sans-serif;
  background: var(--bg);
  color: var(--fontColor);
  line-height: 1.7;
  max-width: 1000px;
  margin: auto;
  padding: 30px 20px;
  transition: background 0.3s, color 0.3s;
}

/* ===============================
   Cabeçalhos
================================*/
h1 {
  text-align: center;
  font-size: 2.4rem;
  margin-bottom: 20px;
  font-weight: 700;
}

h3 {
  font-size: 1.4rem;
  margin: 25px 0 15px;
  padding-left: 10px;
  border-left: 5px solid var(--btnBg);
  font-weight: 600;
}

/* ===============================
   Parágrafos
================================*/
p {
  margin-bottom: 15px;
  text-align: justify;
  font-size: 1rem;
}

/* ===============================
   Accordion (tópicos)
================================*/
.tópico {
  background: var(--btnBg);
  color: var(--btnFontColor);
  padding: 14px 18px;
  border-radius: 10px;
  font-weight: 600;
  margin-bottom: 8px;
  cursor: pointer;
  transition: background 0.3s, transform 0.2s;
}

.tópico:hover {
  background: #009245;
  transform: translateY(-2px);
}

.conteúdo {
  display: none;
  padding: 14px 20px;
  border-left: 4px solid var(--btnBg);
  border-radius: 0 8px 8px 8px;
  margin-bottom: 15px;
  background: rgba(0, 0, 0, 0.05);
  animation: expand 0.3s ease;
}

/* ===============================
   Accordion links lado a lado
================================*/
.conteúdo ul {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.conteúdo li {
  margin: 0;
  padding: 0;
  flex: 1 1 calc(33.333% - 10px); /* três links por linha */
  min-width: 120px;
  box-sizing: border-box;
}

.conteúdo li a {
  display: block;
  text-align: center;
  padding: 8px 0;
  background: rgba(255,255,255,0.1); /* leve fundo para contraste */
  border-radius: 6px;
  text-decoration: none; /* remove sublinhado */
  color: #fff; /* letras brancas */
  font-weight: 500;
  transition: background 0.3s, color 0.3s;
}

.conteúdo li a:hover {
  background: var(--btnBg);
  color: var(--btnFontColor); /* mantém contraste no hover */
  text-decoration: none; /* garante que não apareça sublinhado no hover */
}


/* ===============================
   Animação
================================*/
@keyframes expand {
  from {opacity: 0; transform: scaleY(0.95);}
  to {opacity: 1; transform: scaleY(1);}
}

/* ===============================
   Links padrão
================================*/
a {
  color: var(--btnBg);
  text-decoration: none;
  position: relative;
  transition: color 0.3s;
}

a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 0;
  height: 2px;
  background: var(--btnBg);
  transition: width 0.3s;
}

a:hover {
  color: #e74c3c;
}

a:hover::after {
  width: 100%;
}

/* ===============================
   Botão de tema
================================*/
.btn {
  position: fixed;
  top: 20px;
  right: 20px;
  height: 50px;
  width: 50px;
  border-radius: 50%;
  border: none;
  font-size: 1.3rem;
  background: var(--btnBg);
  color: var(--btnFontColor);
  cursor: pointer;
  box-shadow: 0px 4px 10px rgba(0,0,0,0.2);
  transition: transform 0.2s, background 0.3s;
}

.btn:hover {
  transform: scale(1.1);
  background: #009245;
}

/* ===============================
   Contato
================================*/
.contato {
  margin-top: 50px;
  padding: 25px;
  border-radius: 12px;
  background: rgba(0,0,0,0.05);
}

.contato h3 {
  margin-bottom: 12px;
}

.contato ul {
  list-style: none;
  padding-left: 0;
}

.contato li {
  margin: 10px 0;
  font-size: 0.95rem;
}

.contato a {
  color: var(--btnBg);
  font-weight: 600;
}

.contato a:hover {
  text-decoration: underline;
}

/* ===============================
   Temas
================================*/
:root {
  --green: #00C851;
  --white: #ffffff;
  --black: #121212;
}

.light-theme {
  --bg: var(--white);
  --fontColor: var(--black);
  --btnBg: var(--green);
  --btnFontColor: var(--white);
}

.dark-theme {
  --bg: var(--black);
  --fontColor: var(--white);
  --btnBg: var(--green);
  --btnFontColor: var(--white);
}

/* ===============================
   Responsivo
================================*/
@media (max-width: 768px) {
  .conteúdo ul {
    flex-direction: column;
  }

  .conteúdo li {
    flex: 1 1 100%;
  }
}

/* Barra de pesquisa */
.search-input {
  width: 100%;
  max-width: 400px;
  padding: 10px 15px;
  margin: 15px auto 20px;
  display: block;
  border-radius: 8px;
  border: 1px solid var(--btnBg);
  font-size: 1rem;
  background: var(--btnBg);
  color: var(--btnFontColor);
}

.search-input::placeholder {
  color: #ddd;
}

.search-input:focus {
  outline: none;
  border-color: var(--accent, #00C851);
  box-shadow: 0 0 5px var(--accent, #00C851);
}

/* Links lado a lado */
.conteúdo ul li {
  display: inline-block;
  margin: 5px 10px;
}

/* Container do filtro */
.filter-container {
    margin: 15px 0;
    padding: 10px;
    background-color: rgba(255, 255, 255, 0.05); /* leve transparência no dark theme */
    border-radius: 10px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

/* Cada label do filtro */
.filter-container label {
    font-size: 14px;
    color: #eee;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.2s;
}

/* Efeito hover nos labels */
.filter-container label:hover {
    color: #1e90ff;
}

/* Checkbox estilizado */
.filter-container input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: #1e90ff; /* cor do check */
    cursor: pointer;
}