body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #f9f9f9;
}

/* Cabeçalho com degradê azul marinho */
.cabecalho {
  display: flex;
  align-items: center;
  padding: 15px 30px;
  background: linear-gradient(90deg, #001f3f, #004080);
  color: #fff;
}

.cabecalho .logo {
  height: 90px;
  margin-right: 15px;
}

.cabecalho h1 {
  margin: 0;
  font-size: 1.5em;
}

.intro {
  text-align: center;
  margin: 20px;
}

.container {
  display: flex;
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  flex-wrap: wrap;
}

/* Painéis */
.painel {
  flex: 1 1 400px;
  padding: 15px;
  background-color: #ffffff;
  border: 1px solid #ddd;
  border-radius: 8px;
  box-sizing: border-box;
}

/* Painel esquerdo */
.painel-esquerdo {
  background-color: #eef5ff;
}

/* Painel direito */
.painel-direito {
  background-color: #fef9e7;
}

/* Textarea */
textarea {
  width: 100%;
  height: 300px;
  font-family: monospace;
  padding: 10px;
  margin-bottom: 10px;
  resize: vertical;
  border: 1px solid #ccc;
  border-radius: 6px;
  box-sizing: border-box;
}

/* Botões */
.botoes button {
  margin-right: 10px;
  padding: 8px 12px;
  cursor: pointer;
}

/* Resultado */
.resultado {
  border: 1px solid #ccc;
  background: #fff;
  padding: 15px;
  margin-top: 10px;
  overflow-x: auto;
  border-radius: 6px;
}

/* Código */
pre {
  background: #f0f0f0;
  padding: 10px;
  border-radius: 4px;
}

/* Responsividade */
@media (max-width: 768px) {
  .container {
    flex-direction: column;
    align-items: center;
  }

  .painel {
    width: 100%;
    max-width: 600px;
  }
}

#fileInput {
  margin-bottom: 15px;
}