.reading-options {
  display: grid;
  gap: 12px;
}

.reading-option {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #f9fafb;
  border: 1px solid #e5e7eb;
  padding: 14px;
  border-radius: 12px;
  cursor: pointer;
}

.reading-option input {
  accent-color: var(--primary);
}

.reading-option:hover {
  background: var(--primary-light);
}

/* =====================
   Reading 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 */
.alert-box {
  margin-top: 16px;
  padding: 14px 18px;
  border-radius: 10px;
  background: #eff6ff;
  color: #1e40af;
  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;
}

.answer-box {
  background: #ffffff;
  border-radius: 16px;
  padding: 18px 20px;
  margin-top: 16px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.05);
  border: 1px solid #eef2f7;
  transition: box-shadow 0.2s ease, border 0.2s ease;
}

.answer-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 10px 30px rgba(59,130,246,0.15);
}

.answer-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: #374151;
  margin-bottom: 8px;
}

.answer-input,
.answer-textarea {
  width: 100%;
  border: none;
  outline: none;
  font-size: 16px;
  line-height: 1.6;
  color: #111827;
  background: transparent;
}

.answer-input::placeholder,
.answer-textarea::placeholder {
  color: #9ca3af;
}

/* textarea 전용 */
.answer-textarea {
  resize: vertical;
  min-height: 120px;
}

/* 모바일 대응 */
@media (max-width: 768px) {
  .answer-box {
    padding: 16px;
  }
}