/* ── Q&A Library Styles ── */

/* Doctor Disclaimer Banner */
.doctor-disclaimer {
  padding: 0 0 8px;
  background: transparent;
}
.disclaimer-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 28px;
  background: linear-gradient(135deg, #e8f5e9, #e0f2f1);
  border-radius: var(--radius);
  border-left: 4px solid var(--teal);
}
.disclaimer-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: #fff;
  border-radius: 50%;
  color: var(--teal);
  box-shadow: var(--shadow-sm);
}
.disclaimer-text strong {
  display: block;
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--teal-dark);
  margin-bottom: 4px;
}
.disclaimer-text p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.6;
  margin: 0;
}

.qa-hero {
  padding: calc(var(--nav-h) + 60px) 0 48px;
  background: linear-gradient(170deg, var(--cream) 0%, #e8f5f0 40%, #fff9f5 100%);
  text-align: center;
}

.qa-search-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 600px;
  margin: 0 auto;
  padding: 16px 24px;
  background: #fff;
  border-radius: 60px;
  box-shadow: var(--shadow-md);
  border: 2px solid transparent;
  transition: border-color .2s;
}
.qa-search-bar:focus-within {
  border-color: var(--teal);
}
.qa-search-bar svg {
  color: var(--ink-muted);
  flex-shrink: 0;
}
.qa-search-bar input {
  flex: 1;
  border: none;
  outline: none;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--ink);
  background: transparent;
}
.qa-search-bar input::placeholder {
  color: var(--ink-muted);
}

.qa-filters {
  padding: 24px 0;
  background: var(--warm-white);
  border-bottom: 1px solid var(--line-light);
  position: sticky;
  top: var(--nav-h);
  z-index: 50;
  backdrop-filter: blur(12px);
}
.topic-filter-row {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.topic-filter-row::-webkit-scrollbar { display: none; }

.qa-content {
  padding: 48px 0 80px;
  background: var(--warm-white);
  min-height: 400px;
}

.qa-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.qa-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--line-light);
  cursor: pointer;
  transition: transform .3s cubic-bezier(.22,1,.36,1), box-shadow .3s;
}
.qa-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.qa-card-topic {
  display: inline-block;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--teal-dark);
  background: var(--teal-bg);
  border-radius: 50px;
  margin-bottom: 12px;
}
.qa-card h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.4;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.qa-card-answer {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}
.qa-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid var(--line-light);
}
.qa-card-doctor {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--teal-dark);
}
.qa-card-doctor .doc-dot {
  width: 8px;
  height: 8px;
  background: var(--teal);
  border-radius: 50%;
}
.qa-card-date {
  font-size: 12px;
  color: var(--ink-muted);
}

.qa-loading, .qa-empty {
  text-align: center;
  padding: 60px 20px;
  grid-column: 1 / -1;
}
.qa-empty svg {
  color: var(--ink-muted);
  margin-bottom: 16px;
}
.qa-empty h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}
.qa-empty p {
  color: var(--ink-soft);
}

.loader {
  width: 36px;
  height: 36px;
  border: 3px solid var(--line);
  border-top-color: var(--teal);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  margin: 0 auto 16px;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

.load-more-btn {
  display: block;
  margin: 40px auto 0;
}

/* Q&A Detail */
.qa-detail {
  padding: calc(var(--nav-h) + 32px) 0 80px;
  background: var(--warm-white);
  min-height: 80vh;
}
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  color: var(--teal-dark);
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px 0;
  margin-bottom: 24px;
  transition: color .2s;
}
.back-btn:hover { color: var(--coral); }

.qa-article {
  max-width: 720px;
  margin: 0 auto;
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--line-light);
}
.qa-article .article-topic {
  display: inline-block;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--teal-dark);
  background: var(--teal-bg);
  border-radius: 50px;
  margin-bottom: 16px;
}
.qa-article h1 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.5vw, 34px);
  font-weight: 800;
  color: var(--ink);
  line-height: 1.3;
  margin-bottom: 16px;
}
.qa-article .article-meta {
  display: flex;
  gap: 24px;
  font-size: 14px;
  color: var(--ink-muted);
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line-light);
}
.qa-article .article-meta strong {
  color: var(--teal-dark);
}
.qa-article .answer-body {
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink-soft);
}
.qa-article .answer-body p {
  margin-bottom: 16px;
}
.qa-article .answered-by {
  margin-top: 32px;
  padding: 20px 24px;
  background: var(--teal-bg);
  border-radius: var(--radius);
  border-left: 4px solid var(--teal);
  display: flex;
  align-items: center;
  gap: 12px;
}
.qa-article .answered-by .doc-badge {
  width: 44px;
  height: 44px;
  background: var(--teal);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
}
.qa-article .answered-by strong {
  display: block;
  color: var(--ink);
  font-size: 15px;
}
.qa-article .answered-by span {
  font-size: 13px;
  color: var(--ink-soft);
}
.qa-article .doctor-note {
  margin-top: 16px;
  padding: 14px 20px;
  background: #f1f8e9;
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.6;
}

/* Submit Section */
.qa-submit {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--cream) 0%, #e8f5f0 100%);
}
.submit-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.submit-info .section-heading { text-align: left; }
.submit-info p {
  font-size: 17px;
  color: var(--ink-soft);
  line-height: 1.75;
  margin-bottom: 32px;
}
.submit-benefits {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.benefit-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.benefit-num {
  width: 36px;
  height: 36px;
  background: var(--teal);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
}
.benefit-item strong {
  display: block;
  font-size: 15px;
  color: var(--ink);
  margin-bottom: 2px;
}
.benefit-item span {
  font-size: 14px;
  color: var(--ink-soft);
}

.submit-form-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--line-light);
}

@media (max-width: 960px) {
  .submit-wrapper { grid-template-columns: 1fr; gap: 40px; }
  .submit-info .section-heading { text-align: center; }
  .submit-info p { text-align: center; }
  .qa-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .qa-article { padding: 28px 20px; }
  .submit-form-card { padding: 28px 20px; }
  .qa-search-bar { margin: 0 12px; }
}