/* Telegram Bot API docs — layout inspired by classic React docs (content + right TOC) */

.tba-docs {
  --tba-bg: #f7f8fa;
  --tba-card: #ffffff;
  --tba-text: #1a1a1a;
  --tba-muted: #6b7280;
  --tba-border: #e5e7eb;
  --tba-accent: var(--bc-primary, #229ed9);
  --tba-code-bg: #0f172a;
  --tba-code-fg: #e2e8f0;
  background: var(--tba-bg);
  padding: 1.5rem 0 3.5rem;
  min-height: 60vh;
}

.tba-docs__container {
  max-width: 1180px;
}

.tba-docs__eyebrow {
  margin: 0 0 0.35rem;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--tba-muted);
}

.tba-docs__h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.65rem, 2.5vw, 2.15rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--tba-text);
}

.tba-docs__lead {
  margin: 0 0 1.75rem;
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--tba-muted);
}

.tba-docs__article {
  background: var(--tba-card);
  border: 1px solid var(--tba-border);
  border-radius: 0.75rem;
  padding: 1.5rem 1.35rem 2rem;
}

@media (min-width: 768px) {
  .tba-docs__article {
    padding: 2rem 2.25rem 2.5rem;
  }
}

.tba-docs__content {
  font-size: 1.02rem;
  line-height: 1.7;
  color: #243041;
}

.tba-docs__content > *:first-child {
  margin-top: 0;
}

.tba-docs__content h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--tba-text);
}

.tba-docs__content h3 {
  margin: 1.5rem 0 0.5rem;
  font-size: 1.12rem;
  font-weight: 650;
}

.tba-docs__content p,
.tba-docs__content ul,
.tba-docs__content ol {
  margin: 0 0 1rem;
}

.tba-docs__content a {
  color: var(--tba-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.tba-docs__content :not(pre) > code {
  padding: 0.12em 0.35em;
  border-radius: 0.25rem;
  background: #eef2f7;
  font-size: 0.9em;
}

.tba-docs__content pre {
  margin: 1.15rem 0 1.35rem;
  padding: 1rem 1.1rem;
  overflow-x: auto;
  border-radius: 0.5rem;
  background: var(--tba-code-bg);
  color: var(--tba-code-fg);
  font-size: 0.875rem;
  line-height: 1.55;
}

.tba-docs__content pre code {
  background: transparent;
  padding: 0;
  color: inherit;
  font-size: inherit;
}

.tba-docs__toc-section {
  margin: 1.5rem 0 0.5rem;
  font-size: 1.05rem;
}

.tba-docs__toc-list {
  margin: 0 0 0.5rem;
  padding-left: 1.2rem;
}

.tba-docs__soon {
  color: var(--tba-muted);
}

.tba-docs__badge {
  display: inline-block;
  margin-left: 0.35rem;
  padding: 0.05rem 0.4rem;
  border-radius: 999px;
  background: #e8eef5;
  color: var(--tba-muted);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.tba-docs__note {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--tba-border);
  color: var(--tba-muted);
  font-size: 0.95rem;
}

/* Sidebar */
.tba-docs__sidebar-card {
  background: var(--tba-card);
  border: 1px solid var(--tba-border);
  border-radius: 0.75rem;
  padding: 0.75rem;
}

@media (min-width: 992px) {
  .tba-docs__sidebar {
    position: sticky;
    top: 5.5rem;
  }
}

.tba-docs__sidebar-home {
  display: block;
  margin: 0.15rem 0.35rem 0.85rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--tba-border);
  font-size: 0.92rem;
  font-weight: 650;
  color: var(--tba-text);
  text-decoration: none;
}

.tba-docs__sidebar-home:hover,
.tba-docs__sidebar-home.is-active {
  color: var(--tba-accent);
}

.tba-docs__accordion .accordion-item {
  border: 0;
  background: transparent;
}

.tba-docs__acc-btn {
  padding: 0.65rem 0.5rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #6b7280 !important;
  background: transparent !important;
  box-shadow: none !important;
}

.tba-docs__acc-btn:not(.collapsed) {
  color: var(--tba-text) !important;
}

.tba-docs__acc-btn:focus {
  box-shadow: none !important;
}

.tba-docs__acc-btn::after {
  width: 0.85rem;
  height: 0.85rem;
  background-size: 0.85rem;
}

.tba-docs__acc-body {
  padding: 0 0.35rem 0.65rem;
}

.tba-docs__nav {
  list-style: none;
  margin: 0;
  padding: 0;
}

.tba-docs__nav li + li {
  margin-top: 0.15rem;
}

.tba-docs__nav-link {
  display: block;
  padding: 0.35rem 0.5rem;
  border-radius: 0.35rem;
  color: #374151;
  text-decoration: none;
  font-size: 0.92rem;
  line-height: 1.35;
}

.tba-docs__nav-link:hover {
  background: #f0f4f8;
  color: var(--tba-accent);
}

.tba-docs__nav-link.is-active {
  background: rgba(34, 158, 217, 0.12);
  color: var(--tba-accent);
  font-weight: 600;
}

.tba-docs__nav-soon {
  display: block;
  padding: 0.35rem 0.5rem;
  color: #9ca3af;
  font-size: 0.9rem;
  line-height: 1.35;
}

.tba-docs__nav-soon em {
  font-style: normal;
  font-size: 0.7rem;
  text-transform: uppercase;
  margin-left: 0.25rem;
  opacity: 0.85;
}

/* Pager */
.tba-docs__pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-top: 2.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--tba-border);
}

.tba-docs__pager-link {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--tba-border);
  border-radius: 0.5rem;
  text-decoration: none;
  color: inherit;
  background: #fafbfc;
}

.tba-docs__pager-link:hover {
  border-color: var(--tba-accent);
  color: var(--tba-accent);
}

.tba-docs__pager-link--next {
  text-align: right;
  justify-self: end;
}

.tba-docs__pager-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--tba-muted);
}

.tba-docs__pager-title {
  font-weight: 600;
  font-size: 0.95rem;
}