html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: 'Poppins', sans-serif;
  background: #f4f4f4;
  touch-action: manipulation;
  overflow-x: hidden;
}

.hidden { display: none !important; }

#jogo-cacapalavras {
  width: 100%;
  max-width: 900px;
  margin: auto;
  padding: 1rem;
}

.cacapalavras-area {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  margin-top: 1rem;
}

.cacapalavras-grid {
  display: grid;
  width: 100vw;
  max-width: 100vw;
  aspect-ratio: 1 / 1;
  background-color: #fff;
  border: 2px solid #ccc;
  border-radius: 8px;
  padding: 5px;
  user-select: none;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  box-sizing: border-box;

.grid-letra {
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.5rem;
  font-weight: 600;
  color: #333;
  cursor: pointer;
  text-transform: uppercase;
  border-radius: 4px;
  transition: background-color 0.2s;
  user-select: none;
  min-width: 30px;
  min-height: 30px;
}

.grid-letra.selecionando { background-color: rgba(252, 163, 17, 0.4); }
.grid-letra.encontrada { background-color: #28a745; color: white; }
.grid-letra.final { background-color: #ff9800; color: white; }

.sidebar {
  width: 250px;
  text-align: left;
}

.sidebar h3 {
  color: #222;
  border-bottom: 2px solid #ccc;
  padding-bottom: 0.5rem;
}

#lista-palavras {
  list-style: none;
  margin-top: 1rem;
  padding: 0;
}

#lista-palavras li {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  text-transform: capitalize;
  transition: color 0.3s;
}

#lista-palavras li.palavra-encontrada {
  text-decoration: line-through;
  color: #aaa;
  font-weight: 700;
}

.reset-btn {
  margin-top: 1rem;
  padding: 12px;
  font-size: 1rem;
  width: 100%;
  max-width: 250px;
  cursor: pointer;
  border: none;
  border-radius: 6px;
  background-color: #007bff;
  color: white;
}

.popup-container {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-color: rgba(0,0,0,0.6);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 100;
}

.popup-container.show { display: flex; }

.popup {
  background: white;
  padding: 30px;
  border-radius: 20px;
  text-align: center;
  width: 90%;
  max-width: 400px;
}

@media (max-width: 768px) {
  .cacapalavras-area {
    flex-direction: column;
    align-items: center;
  }

  .cacapalavras-grid {
    max-width: 95vw;
    padding: 5px;
  }

  .sidebar {
    width: 100%;
    text-align: center;
  }

  .grid-letra {
    font-size: 1.6rem;
    min-width: 10vw;
    min-height: 10vw;
  }

  .reset-btn {
    font-size: 1rem;
    width: 90%;
  }

  #lista-palavras li {
    font-size: 1rem;
  }

  .popup {
    font-size: 1rem;
  }
}

@media (max-width: 400px) {
  .grid-letra {
    font-size: 1.4rem;
    min-width: 12vw;
    min-height: 12vw;
  }

  .reset-btn {
    font-size: 0.9rem;
  }
}