.container-aktivitas-coding {
  background-color: #f5ebdd;
  border: 1px solid rgb(177, 133, 93);
  /* putih krem */
  /* margin-top: 50px; */
  padding: 30px;
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(139, 69, 19, 0.1);
  /* bayangan coklat muda */
  width: 100%;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.judul {
  color: #5e412f;
  /* coklat tua */
  margin-bottom: 10px;
}

.komentar {
  color: gray;
}

.instruksi {
  font-size: 16px;
  color: #6f4e37;
  /* kopi susu */
}

.code-box {
  background: #f5ede6;
  /* krem terang */
  padding: 20px;
  border-radius: 12px;
  font-family: 'Courier New', monospace;
  font-size: 15px;
  line-height: 1.6;
  white-space: pre-wrap;
  color: #5e412f;
  /* coklat tua */
  border: 2px solid #e3c8a8;
}

.blank {
  width: 140px;
  padding: 6px 8px;
  font-size: 14px;
  text-align: center;
  border-radius: 6px;
  border: 1px solid #d2b48c;
  /* coklat terang */
  background: #fffefc;
  transition: border-color 0.3s;
}

.blank:focus {
  outline: none;
  border-color: #b18863;
  /* highlight coklat */
}

.btn-periksa {
  margin-top: 20px;
  padding: 10px 20px;
  background-color: #a47148;
  /* coklat hangat */
  color: #ffffff;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
  transition: background-color 0.3s;
}

.btn-periksa:hover {
  background-color: #8a5b33;
}

.btn-kembali,
.btn-next {
  margin: 5px;
  padding: 8px 16px;
  border: none;
  border-radius: 6px;
  font-weight: bold;
  cursor: pointer;
}

.btn-kembali {
  background-color: #95a5a6;
  color: white;
}

.btn-next {
  background-color: #2ecc71;
  color: white;
}


.selesai {
  text-align: center;
  font-size: 20px;
  color: #9c6b3b;
  /* coklat kehijauan lembut */
  font-weight: bold;
}

@media screen and (max-width: 500px) {
  .blank {
    width: 100%;
    margin-top: 10px;
  }
}