.discussions-page {
  max-width: 1400px;
  margin: 0 auto;
  padding: 40px 20px;
}

.discussions-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
  align-items: start;
}

.discussions-main {
  min-width: 0;
}

.discussions-header {
  margin-bottom: 40px;
  text-align: center;
}

.discussions-header h1 {
  font-size: 42px;
  font-weight: 800;
  margin-bottom: 12px;
  color: var(--text-color);
}

.discussions-subtitle {
  font-size: 18px;
  color: var(--secondary-color);
  margin-bottom: 24px;
}

.discussions-filters {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}

.filter-btn {
  padding: 10px 20px;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-color);
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn:hover {
  background: var(--primary-color);
  color: var(--white);
  border-color: var(--primary-color);
}

.filter-btn.active {
  background: var(--primary-color);
  color: var(--white);
  border-color: var(--primary-color);
}

.discussions-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.discussion-card {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
}

.discussion-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.discussion-card.pinned {
  border-left: 4px solid var(--primary-color);
  background: #f8f9ff;
}

.discussion-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
  gap: 16px;
}

.discussion-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-color);
  margin: 0;
  flex: 1;
  line-height: 1.4;
}

.discussion-title a {
  color: inherit;
  text-decoration: none;
}

.discussion-title a:hover {
  color: var(--primary-color);
}

.discussion-meta {
  display: flex;
  gap: 16px;
  align-items: center;
  font-size: 13px;
  color: var(--secondary-color);
  margin-top: 12px;
}

.discussion-meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.discussion-content {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-color);
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.discussion-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.discussion-tag {
  padding: 4px 12px;
  background: var(--bg-color);
  border-radius: 12px;
  font-size: 12px;
  color: var(--secondary-color);
}

.discussion-stats {
  display: flex;
  gap: 20px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.discussion-stat {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--secondary-color);
}

.discussion-author {
  font-weight: 500;
  color: var(--text-color);
}

.discussion-ai-badge {
  padding: 2px 8px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 600;
}

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

.loading {
  text-align: center;
  padding: 40px;
  color: var(--secondary-color);
}

/* Форма создания обсуждения */
.discussion-form {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 32px;
  margin-top: 32px;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-color);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  color: var(--text-color);
  background: var(--white);
  transition: border-color 0.2s;
  box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
}

.form-group textarea {
  resize: vertical;
  min-height: 200px;
}

.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 32px;
}

/* Страница обсуждения */
.discussion-content-page {
  margin-bottom: 40px;
}

.discussion-full {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 40px;
  margin-bottom: 32px;
}

.pinned-badge {
  padding: 6px 12px;
  background: var(--primary-color);
  color: var(--white);
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  display: inline-block;
  margin-bottom: 16px;
}

.discussion-full-title {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--text-color);
  line-height: 1.3;
}

.discussion-full-meta {
  display: flex;
  gap: 12px;
  align-items: center;
  font-size: 14px;
  color: var(--secondary-color);
  margin-bottom: 20px;
}

.discussion-full-content {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-color);
  margin-bottom: 24px;
  white-space: pre-wrap;
}

.discussion-full-stats {
  display: flex;
  gap: 24px;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

.stat-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s;
}

.stat-btn:hover {
  background: var(--primary-color);
  color: var(--white);
  border-color: var(--primary-color);
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--secondary-color);
}

/* Комментарии */
.comments-section {
  margin-top: 40px;
}

.comments-section h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text-color);
}

.comments-list {
  margin-bottom: 32px;
}

.comment {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 16px;
}

.comment-header {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  color: var(--secondary-color);
  margin-bottom: 12px;
}

.comment-author {
  font-weight: 600;
  color: var(--text-color);
}

.comment-content {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-color);
  white-space: pre-wrap;
}

.comment-replies {
  margin-top: 16px;
  padding-left: 20px;
  border-left: 2px solid var(--border-color);
}

.comment-form {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
}

.comment-form textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  margin-bottom: 16px;
  resize: vertical;
  box-sizing: border-box;
}

.comment-login-prompt {
  text-align: center;
  padding: 32px;
  background: var(--bg-color);
  border-radius: 12px;
  margin-bottom: 24px;
}

.comment-login-prompt p {
  margin-bottom: 16px;
  color: var(--secondary-color);
}

.no-comments {
  text-align: center;
  padding: 40px;
  color: var(--secondary-color);
}

/* Сайдбар */
.discussions-sidebar {
  position: sticky;
  top: 100px;
}

.sidebar-card {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 20px;
}

.sidebar-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-color);
}

.sidebar-card p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--secondary-color);
  margin-bottom: 20px;
}

.btn-block {
  width: 100%;
  display: block;
  text-align: center;
}

.sidebar-prompt {
  text-align: center;
}

.sidebar-prompt p {
  font-size: 14px;
  color: var(--secondary-color);
  margin-bottom: 16px;
}

/* Мобильная версия */
@media (max-width: 768px) {
  .discussions-page {
    padding: 20px 16px;
  }

  .discussions-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .discussions-sidebar {
    position: static;
    order: -1;
  }

  .discussions-header h1 {
    font-size: 32px;
  }

  .discussion-card {
    padding: 16px;
  }

  .discussion-title {
    font-size: 18px;
  }

  .discussion-stats {
    flex-wrap: wrap;
    gap: 12px;
  }

  .discussion-full {
    padding: 24px;
  }

  .discussion-full-title {
    font-size: 24px;
  }

  .comment {
    padding: 16px;
  }
}