.audio-player {
  width: 100%;
  margin-top: 8px;
}

.listening-controls {
  margin-top: 14px;
  display: flex;
  gap: 12px;
}

textarea#listeningAnswer {
  width: 100%;
  min-height: 120px;
  resize: vertical;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid #d1d5db;
  font-size: 1rem;
  line-height: 1.6;
}

/* =====================
   Listening Guide Layout
===================== */

.det-guide {
  background: #ffffff;
  border-radius: 18px;
  padding: 36px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.06);
}

/* 소박스 카드 */
.card-section {
  background: #f9fafb;
  border-radius: 14px;
  padding: 22px 26px;
  margin-top: 22px;
  box-shadow: inset 0 0 0 1px #eef2f7;
}

.card-section h3 {
  margin-bottom: 14px;
  font-size: 17px;
  color: #1f2937;
}

.card-section ul {
  padding-left: 18px;
}

.card-section li {
  margin-bottom: 8px;
  line-height: 1.6;
}

/* 팁 & 주의 박스 (Listening = Purple tone) */
.alert-box {
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: 10px;
  background: #f5f3ff;
  color: #5b21b6;
  font-size: 14px;
  line-height: 1.6;
}

/* CTA 버튼 */
.btn-primary {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 600;
}

.nav-back {
  display: flex;
  justify-content: flex-end; /* 👉 오른쪽 끝 */
  margin-bottom: 20px;
}