.learn-main {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.learn-grid {
  display: grid;
  grid-template-columns: minmax(260px, 20%) 1fr;
  gap: 12px;
  min-height: calc(100vh - 260px);
}

.learn-tree-card,
.learn-content-card,
.learn-stats-card,
.learn-placeholder {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.progress-wrap {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 10px;
  background: var(--bg-card-soft);
}

.progress-track {
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
  margin: 6px 0;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--brand-secaccent));
}

.learn-tree {
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow: auto;
  min-height: 0;
}

.learn-cat {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.learn-cat-head {
  width: 100%;
  border: none;
  background: var(--bg-card-soft);
  color: var(--text-main);
  text-align: left;
  padding: 10px 12px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.learn-cat-list {
  display: none;
  padding: 8px;
  gap: 6px;
  flex-direction: column;
}

.learn-cat.open .learn-cat-list {
  display: flex;
}

.learn-article-btn {
  width: 100%;
  text-align: left;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  background: transparent;
  color: var(--text-main);
  padding: 8px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  cursor: pointer;
}

.learn-article-btn:hover {
  background: var(--accent-soft);
}

.learn-article-btn.active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.unread-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ff5d6c;
  flex: 0 0 8px;
}

.learn-content-card {
  overflow: hidden;
}

.learn-article {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 16px;
  background: rgba(0, 0, 0, 0.2);
  overflow: auto;
  min-height: 280px;
}

.learn-admin-box {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 12px;
  background: var(--bg-card-soft);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.learn-admin-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.learn-admin-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4 {
  margin: 14px 0 8px;
}

.markdown-body p,
.markdown-body ul,
.markdown-body ol,
.markdown-body pre,
.markdown-body blockquote {
  margin: 10px 0;
}

.markdown-body code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', monospace;
}

.markdown-body pre {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 12px;
  overflow: auto;
}

.markdown-body blockquote {
  margin-left: 0;
  padding: 8px 12px;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  border-radius: 8px;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.stats-box {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-card-soft);
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stats-box span {
  color: var(--text-muted);
  font-size: 12px;
}

.stats-box strong {
  font-size: 20px;
}

.stats-list {
  display: grid;
  gap: 8px;
}

.stats-item {
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 10px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.stats-item.unread {
  border-color: rgba(239, 106, 106, 0.45);
}

.badge-ok,
.badge-pending {
  border-radius: 999px;
  padding: 3px 8px;
  font-size: 12px;
  white-space: nowrap;
}

.badge-ok {
  background: rgba(79, 201, 137, 0.2);
  border: 1px solid rgba(79, 201, 137, 0.45);
}

.badge-pending {
  background: rgba(239, 106, 106, 0.2);
  border: 1px solid rgba(239, 106, 106, 0.45);
}

.hidden {
  display: none !important;
}

@media (max-width: 1200px) {
  .learn-grid {
    grid-template-columns: 1fr;
  }

  .learn-admin-grid,
  .stats-row {
    grid-template-columns: 1fr;
  }
}