body {
  font-family: Arial, sans-serif;
  padding: 20px;
  background: #f2f2f2;
}

h1 {
  text-align: center;
}

form {
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  max-width: 800px;
  margin: auto;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

fieldset {
  margin-bottom: 20px;
  border: 1px solid #ccc;
  border-radius: 5px;
}

legend {
  font-weight: bold;
}

label {
  display: block;
  margin-top: 10px;
}

input, select, textarea {
  width: 100%;
  padding: 8px;
  margin-top: 5px;
  border-radius: 4px;
  border: 1px solid #ccc;
}

.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 5px;
  width: calc(50% - 10px);
}

button {
  background: #28a745;
  color: white;
  border: none;
  padding: 10px 20px;
  font-size: 16px;
  border-radius: 5px;
  cursor: pointer;
  display: block;
  margin: 20px auto 0;
}

canvas {
  display: block;
  margin: 10px 0;
  touch-action: none;
}

/* Placeholder mais escuro */
::placeholder {
  color: #616161 !important;  /* Cinza mais escuro */
  opacity: 1 !important;
}

/* Cor do texto nos inputs */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
input[type="number"],
textarea {
  color: #212121 !important; /* Preto suave */
}

/* Labels fixas para inputs com conteúdo */
input:focus + label,
input.valid + label,
textarea:focus + label,
textarea.valid + label {
  color: #1976d2 !important; /* Azul mais visível */
}

/* Linha inferior dos inputs ativa */
input:focus,
textarea:focus {
  border-bottom: 2px solid #1976d2 !important;
  box-shadow: none !important;
}