:root {
  --primary-purple: #550087;
  --bg-light: #f5f5f5;
  --text-dark: #333;
  --border-color: #ccc;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: Arial, sans-serif;
  background: var(--bg-light);
  color: var(--text-dark);
}

.container {
  max-width: 900px;
  margin: auto;
  background: #fff;
  border-radius: 6px;
  padding: 1.5rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

h1 {
  text-align: center;
  color: var(--primary-purple);
  margin-bottom: 1rem;
}

.tables h2,
.closure-generator h2 {
  color: var(--primary-purple);
  border-bottom: 2px solid var(--primary-purple);
  padding-bottom: 0.3rem;
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.table-explanation {
  background: #f0f0f0;
  border-left: 4px solid var(--primary-purple);
  padding: 0.6rem 1rem;
  margin: 0.8rem 0;
  font-size: 0.95rem;
  line-height: 1.4;
}

.table-explanation strong {
  color: var(--primary-purple);
}

.table-wrapper {
  overflow-x: auto;
  margin-bottom: 1.5rem;
}

.closing-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 320px;
}

.closing-table th,
.closing-table td {
  border: 1px solid var(--border-color);
  padding: 0.6rem 0.8rem;
  text-align: center;
}

.closing-table th {
  background: var(--primary-purple);
  color: #fff;
}

.closing-table tbody tr:nth-child(even) {
  background: #fafafa;
}

.closing-table tbody tr:hover {
  background: #ececec;
}

/* Formulário de fechamento */
.closure-generator {
  margin-top: 2rem;
}

fieldset {
  border: 1px solid var(--border-color);
  padding: 0.8rem;
  margin-bottom: 1rem;
}

legend {
  font-weight: bold;
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(36px, 1fr));
  gap: 4px;
  margin-bottom: 1rem;
}

.numbers-grid label {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  cursor: pointer;
  position: relative;
  padding: 4px;
}

.numbers-grid input {
  position: absolute;
  opacity: 0;
}

.numbers-grid label:has(input:checked) {
  background: var(--primary-purple);
  color: #fff;
  border-color: var(--primary-purple);
}

#selected-count {
  margin-bottom: 0.5rem;
}

#calculate {
  display: block;
  width: 100%;
  padding: 0.8rem;
  background: var(--primary-purple);
  color: #fff;
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
}

#calculate:hover {
  background: #440070;
}

#result {
  margin-top: 1rem;
}

/* Responsividade */
@media (max-width: 480px) {
  .numbers-grid {
    grid-template-columns: repeat(auto-fill, minmax(28px, 1fr));
  }
  .closing-table th,
  .closing-table td {
    font-size: 0.85rem;
    padding: 0.4rem 0.6rem;
  }
}



/* ===== Estilo para os números gerados ===== */
#result p {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  text-align: center;
  color: var(--primary-purple);
}

#result ol {
  list-style: none;
  padding: 0;
  margin: 0;
}

#result li {
  font-weight: bold;              /* números em negrito */
  margin: 0.8rem 0;               /* espaçamento vertical entre as linhas */
  padding: 0.8rem 1rem;           /* espaço interno para “respirar” */
  background: #f0f9f7;            /* fundo suave */
  border-left: 4px solid var(--primary-purple); /* destaque colorido à esquerda */
  border-radius: 4px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
  text-align: center;             /* centraliza o texto */
  font-size: 1rem;                /* ajuste do tamanho, se quiser aumentar: 1.05rem ou 1.1rem */
}

/* Responsivo */
@media (max-width: 480px) {
  #result li {
    padding: 0.6rem 0.8rem;
    font-size: 0.95rem;
  }
  #quina-explanation {
        padding: 0.8rem;
      }
      #quina-explanation h1 {
        font-size: 1.3rem;
      }
}


#quina-explanation {
      background: #fff;
      border: 2px solid #550087;
      border-radius: 6px;
      padding: 1.2rem;
      max-width: 900px;
      margin: auto;
      box-shadow: 0 4px 8px rgba(0,0,0,0.1);
      margin-top: 30px;
    }
    #quina-explanation h1 {
      font-size: 1.6rem;
      color: #550087;
      margin-bottom: 0.5rem;
    }
    #quina-explanation p {
      margin-bottom: 0.8rem;
      line-height: 1.5;
    }
    #quina-explanation ul {
      margin-left: 1.2rem;
      list-style-type: disc;
    }
    #quina-explanation ul li {
      margin-bottom: 0.6rem;
    }
    #quina-explanation .highlight {
      color: #550087;
      font-weight: bold;
    }
    

    /* Cabeçalho */
.site-header {
position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background-color: #005bbb;
  z-index: 1000; 
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  padding: 10px 20px;
  justify-content: space-between;
}

/* Logo */
.logo img {
  height: 60px;
}




/* Navegação principal */
.main-nav ul {
  display: flex;
  flex-wrap: wrap;        /* permite várias linhas */
  gap: 16px;              /* espaçamento entre itens */
  padding: 0;
  margin: 0;
  list-style: none;
}

.main-nav .dropdown {
  position: relative;
}

/* o submenu, escondido por padrão */
.main-nav .dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;       /* logo abaixo do pai */
  left: 0;
  background: #4d87bd;
  padding: 8px 0;
  border-radius: 4px;
  min-width: 200px;
  flex-direction: column;
  gap: 0;
  z-index: 100;
}

/* cada item do submenu */
.main-nav .dropdown-menu li {
  padding: 0;
}
.main-nav .dropdown-menu a {
  display: block;
  padding: 8px 16px;
  color: #fff;
  white-space: nowrap;
}
.main-nav .dropdown-menu a:hover {
  background: #4d87bd;
}

/* abre no hover (desktop) */
.main-nav .dropdown:hover > .dropdown-menu{
  display: flex;
}


/* abre também quando a li ganhar a classe .open (via click) */
.main-nav .dropdown.open > .dropdown-menu {
  display: flex !important;
}


.main-nav li + li {
  margin-left: 24px;
}

.main-nav a {
  text-decoration: none;
  color: #ffffff;
  font-weight: bold;
  padding: 8px 0;
  transition: color 0.2s;
   margin: 0;  
}

.main-nav a:hover {
  color: #ffd500;
}



.features {
  padding: 40px 20px;
  background: #ffffff;
}
.features .container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}
.features h2 {
  font-size: 2rem;
  margin-bottom: 10px;
  color: #005bbb;
}
.features .intro {
  font-size: 1rem;
  margin-bottom: 30px;
  color: #555;
}
.cards {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}
.card {
  position: relative;
  background: #fefefe;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: stretch;
}
.card .label {
  position: absolute;
  top: 0;
  left: 0;
  background: #005bbb;
  color: #fff;
  font-weight: bold;
  padding: 6px 12px;
  border-bottom-right-radius: 8px;
}
.card img {
  width: 100%;
  height: 150px;
  object-fit: cover;
}
.card p {
  padding: 16px;
  font-size: 0.95rem;
  color: #333;
  flex-grow: 1;
}



@media (max-width: 480px) {
     .main-nav {
     overflow: visible;
  }
  .main-nav a {
    font-size: 0.875rem;  /* 14px */
  }
  .main-nav ul {
    gap: 8px;             /* espaçamento menor */
  }

 .main-nav .dropdown-menu {
    position: static;      /* sai do absolute */
    display: none;         /* oculto até o click */
    width: 100%;           /* ocupa largura total */
    box-shadow: none;      /* pode remover sombra se quiser */
  }

  /* quando abrir, empurra o conteúdo */
  .main-nav .dropdown.open > .dropdown-menu {
    display: block;
  }

  /* itens do submenu ficam empilhados */
  .main-nav .dropdown-menu li {
    border-top: 1px solid rgba(255,255,255,0.2);
  }
  .main-nav .dropdown-menu li:first-child {
    border-top: none;
  }
  .main-nav .dropdown-menu a {
    padding: 12px 16px;
  }

}



@media (max-width: 361px) {
  /* 1) Reduza o padding geral do header */
  .site-header {
    padding: 4px 0 !important;
  }

  /* 2) Ajuste o container interno */
  .header-container {
    padding: 0 10px !important;
  }

  /* 3) Deixe o logo menor */
  .logo img {
    height: 32px !important;
  }

  /* 4) Links bem apertadinhos */
  .main-nav a {
    font-size: 0.75rem !important;
    padding: 4px 6px !important;
  }

  /* 5) Reduza o gap entre itens */
  .main-nav ul {
    gap: 4px !important;
  }

  /* 6) Se ainda houver overflow vertical, force overflow visível */
  .main-nav,
  .site-header {
    overflow: visible !important;
  }
}