/* ============================================================
   OET Speaking Role-Play Practice Page Styles
   ============================================================ */

.oet-speaking-page {
  width: 100%;
  padding-top: 70px;
  background: var(--bg-primary);
  color: var(--text-primary);
}

.oet-speaking-hero {
  background: linear-gradient(135deg, #007B83 0%, #004d52 100%);
  color: white;
  padding: 48px 24px 56px;
}

.oet-speaking-hero--detail {
  padding: 32px 24px 40px;
}

.oet-speaking-hero__inner {
  max-width: 1100px;
  margin: 0 auto;
}

.oet-speaking-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,0.85);
  font-size: 14px;
  margin-bottom: 20px;
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: color 0.2s;
}

.oet-speaking-back:hover {
  color: white;
}

.oet-speaking-title {
  font-size: 36px;
  font-weight: 700;
  margin: 0 0 12px 0;
  line-height: 1.3;
}

.oet-speaking-subtitle {
  font-size: 17px;
  opacity: 0.9;
  margin: 0 0 28px 0;
  max-width: 650px;
  line-height: 1.6;
}

.detail-tags {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}

.oet-speaking-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 600px;
}

.stat-item {
  text-align: center;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 16px 12px;
}

.stat-item strong {
  display: block;
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 6px;
}

.stat-item span {
  font-size: 13px;
  opacity: 0.9;
}

.oet-speaking-body {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.oet-speaking-filters {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
  padding: 24px;
  background: var(--bg-secondary);
  border-radius: 16px;
  border: 1px solid var(--border-color);
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.filter-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-chip {
  padding: 7px 16px;
  font-size: 13px;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  background: var(--bg-primary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
}

.filter-chip:hover {
  border-color: var(--accent-color, #007B83);
  color: var(--accent-color, #007B83);
}

.filter-chip.active {
  background: #007B83;
  border-color: #007B83;
  color: white;
}

.roleplay-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.roleplay-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
}

.roleplay-card:hover {
  transform: translateY(-3px);
  border-color: #007B83;
  box-shadow: 0 12px 24px rgba(0, 123, 131, 0.15);
}

.roleplay-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.level-badge {
  display: inline-block;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 20px;
}

.level-badge--beginner {
  background: rgba(67, 233, 123, 0.15);
  color: #22a85a;
}

.level-badge--intermediate {
  background: rgba(250, 112, 154, 0.15);
  color: #e05683;
}

.roleplay-card__cat {
  font-size: 12px;
  color: var(--text-muted, #888);
}

.roleplay-card__title {
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 10px 0;
  line-height: 1.4;
  color: var(--text-primary);
}

.roleplay-card__desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0 0 18px 0;
  flex: 1;
}

.roleplay-card__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.roleplay-card__words {
  font-size: 13px;
  color: var(--text-muted, #888);
}

.roleplay-card__btn {
  background: none;
  border: none;
  color: #007B83;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
  transition: transform 0.2s;
}

.roleplay-card__btn:hover {
  transform: translateX(3px);
}

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
}

/* Detail view */
.detail-section {
  margin-bottom: 36px;
}

.detail-section h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 18px 0;
  color: var(--text-primary);
}

.detail-setting {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-left: 4px solid #007B83;
  border-radius: 8px;
  padding: 20px 24px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-primary);
}

.role-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.role-card {
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.role-card--doctor {
  background: var(--bg-secondary);
}

.role-card--patient {
  background: var(--bg-secondary);
}

.role-card__header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border-color);
}

.role-card__icon {
  font-size: 28px;
}

.role-card__header h3 {
  font-size: 17px;
  font-weight: 600;
  margin: 0;
  color: var(--text-primary);
}

.role-card__body {
  padding: 20px;
}

.role-card__subtitle {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted, #888);
  margin: 0 0 12px 0;
}

.task-list {
  margin: 0;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-primary);
}

.task-list li {
  margin-bottom: 6px;
}

.patient-bg {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-primary);
  margin: 0;
}

.vocab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.vocab-chip {
  display: inline-block;
  padding: 6px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 13px;
  color: var(--text-primary);
}

.expressions-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.expression-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 18px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
}

.expression-num {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  background: #007B83;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
}

.expression-text {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-primary);
  padding-top: 2px;
}

.detail-tips {
  display: flex;
  gap: 16px;
  background: linear-gradient(135deg, rgba(250, 112, 154, 0.08) 0%, rgba(254, 225, 64, 0.08) 100%);
  border: 1px solid rgba(250, 112, 154, 0.2);
  border-radius: 14px;
  padding: 24px;
  margin-bottom: 36px;
}

.tip-icon {
  font-size: 32px;
  flex-shrink: 0;
}

.tip-content h4 {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 8px 0;
  color: var(--text-primary);
}

.tip-content p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0;
}

.detail-nav {
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

.detail-nav .btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
  border: 1px solid transparent;
}

.btn-outline {
  background: transparent;
  border-color: var(--border-color);
  color: var(--text-primary);
}

.btn-outline:hover {
  border-color: #007B83;
  color: #007B83;
}

.btn-primary {
  background: #007B83;
  color: white;
}

.btn-primary:hover {
  background: #006168;
}

/* Responsive */
@media (max-width: 768px) {
  .oet-speaking-hero {
    padding: 32px 20px 40px;
  }

  .oet-speaking-title {
    font-size: 26px;
  }

  .oet-speaking-subtitle {
    font-size: 15px;
  }

  .oet-speaking-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .stat-item {
    padding: 12px 8px;
  }

  .stat-item strong {
    font-size: 22px;
  }

  .oet-speaking-body {
    padding: 24px 16px 60px;
  }

  .roleplay-grid {
    grid-template-columns: 1fr;
  }

  .role-cards {
    grid-template-columns: 1fr;
  }

  .detail-tips {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .oet-speaking-title {
    font-size: 22px;
  }

  .oet-speaking-filters {
    padding: 16px;
  }

  .filter-chips {
    gap: 6px;
  }

  .filter-chip {
    padding: 6px 12px;
    font-size: 12px;
  }
}