/**
 * Оболочка приложения Лексия (на основе chat-template.html).
 * Палитра: assets/css/leksia-tokens.css (--accent задаётся в Customizer).
 */
:root {
  --sidebar-width: 260px;
  --header-h: 52px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html.leksia-app-shell-html {
  height: 100%;
  overflow: hidden;
}

/* Как в chat-template.html: колонка на весь экран; вертикальный скролл только внутри .leksia-chat-scroll, не у всей страницы */
body.leksia-app-shell {
  margin: 0;
  min-height: 100dvh;
  height: 100dvh;
  max-height: 100dvh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--bg-app);
  -webkit-tap-highlight-color: transparent;
  box-sizing: border-box;
}

/* Админ-бар WP: не даём body вырасти выше окна (иначе поле ввода уезжает вниз страницы) */
body.leksia-app-shell.admin-bar {
  height: calc(100dvh - var(--wp-admin--admin-bar--height, 32px));
  max-height: calc(100dvh - var(--wp-admin--admin-bar--height, 32px));
}

.leksia-app-shell .app {
  display: flex;
  flex: 1;
  min-height: 0;
  position: relative;
}

.leksia-app-shell .sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 40;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.leksia-app-shell .sidebar-backdrop.is-open {
  display: block;
  opacity: 1;
}

.leksia-app-shell .sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  z-index: 50;
  flex-shrink: 0;
}

@media (max-width: 768px) {
  .leksia-app-shell .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    box-shadow: var(--shadow);
  }

  .leksia-app-shell .sidebar.is-open {
    transform: translateX(0);
  }
}

.leksia-app-shell .sidebar-brand {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 10px;
}

.leksia-app-shell a.sidebar-brand-link {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: background 0.15s ease;
}

.leksia-app-shell a.sidebar-brand-link:hover {
  background: var(--bg-sidebar-hover);
}

.leksia-app-shell a.sidebar-brand-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.leksia-app-shell .sidebar-brand-name {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.leksia-app-shell .sidebar-brand .logo {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  /* Процент от размера блока — скругление «под иконку приложения» для квадрата и логотипа */
  border-radius: 25%;
  background: linear-gradient(135deg, var(--accent), #2563eb);
}

.leksia-app-shell .sidebar-brand .logo.logo--custom {
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.leksia-app-shell .sidebar-brand .logo.logo--custom .sidebar-brand-logo-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  border-radius: inherit;
}

.leksia-app-shell .sidebar-spacer {
  flex: 1;
  min-height: 8px;
}

.leksia-app-shell .sidebar-nav {
  padding: 8px 12px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.leksia-app-shell .sidebar-nav a.nav-btn {
  text-decoration: none;
  color: inherit;
}

.leksia-app-shell .nav-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 12px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-primary);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s ease;
}

.leksia-app-shell .nav-btn:hover,
.leksia-app-shell .nav-btn:focus-visible {
  background: var(--bg-sidebar-hover);
  outline: none;
}

.leksia-app-shell .nav-btn.is-active {
  background: var(--bg-sidebar-hover);
}

.leksia-app-shell .nav-btn svg {
  width: 18px;
  height: 18px;
  opacity: 0.85;
  flex-shrink: 0;
}

.leksia-app-shell .nav-btn.nav-btn--account {
  min-width: 0;
}

.leksia-app-shell .nav-btn.nav-btn--account .nav-account-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 10.5rem;
  font-weight: 500;
}

.leksia-app-shell .sidebar-footer {
  padding: 12px 12px calc(12px + env(safe-area-inset-bottom, 0));
  border-top: 1px solid var(--border-subtle);
}

.leksia-app-shell .like-block {
  position: relative;
  padding: 8px 10px;
  background: var(--bg-sidebar-hover);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.leksia-app-shell .like-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  min-height: 44px;
  padding: 8px 10px;
  margin: 0;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-primary);
  font: inherit;
  font-size: 0.8125rem;
  cursor: pointer;
  text-align: left;
  box-sizing: border-box;
  transition: border-color 0.15s, background 0.15s, opacity 0.15s;
}

.leksia-app-shell .like-thumb {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent);
}

.leksia-app-shell .like-thumb svg {
  width: 22px;
  height: 22px;
  display: block;
}

.leksia-app-shell .like-block-label {
  flex: 1;
  min-width: 0;
  line-height: 1.35;
  color: var(--text-secondary);
  font-weight: 500;
}

.leksia-app-shell .like-btn:hover:not(:disabled) {
  border-color: var(--text-muted);
  background: rgba(255, 255, 255, 0.04);
}

.leksia-app-shell .like-btn:disabled {
  cursor: wait;
  opacity: 0.75;
}

.leksia-app-shell .like-btn.is-liked {
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.06);
}

.leksia-app-shell .like-btn.is-liked .like-count {
  color: var(--accent);
}

.leksia-app-shell .like-count {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--accent);
}

.leksia-app-shell .like-tooltip {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  z-index: 40;
  max-width: 220px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  line-height: 1.35;
  color: var(--text-primary);
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow);
  white-space: normal;
}

.leksia-app-shell .like-tooltip[hidden] {
  display: none !important;
}

.leksia-app-shell .main.leksia-app-main {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
}

.leksia-app-shell .topbar {
  position: relative;
  /* Выше слота с чатом: выпадающая поисковая панель (absolute) заходит в область main-slot и иначе перекрывается следующим sibling в DOM */
  z-index: 20;
  height: var(--header-h);
  min-height: var(--header-h);
  padding: 0 12px 0 max(12px, env(safe-area-inset-left));
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-app);
  flex-shrink: 0;
}

.leksia-app-shell .menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.leksia-app-shell .menu-toggle:hover {
  background: var(--bg-input);
}

@media (max-width: 768px) {
  .leksia-app-shell .menu-toggle {
    display: inline-flex;
  }
}

.leksia-app-shell .topbar-title {
  flex: 1;
  font-weight: 600;
  font-size: 0.9375rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.leksia-app-shell .topbar-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.leksia-app-shell .search-popover-wrap {
  position: relative;
}

.leksia-app-shell .search-panel {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  width: min(320px, calc(100vw - 24px));
  padding: 10px;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  z-index: 50;
}

.leksia-app-shell .search-panel.is-open {
  display: block;
}

.leksia-app-shell .search-panel input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  background: var(--bg-app);
  color: var(--text-primary);
  font: inherit;
}

.leksia-app-shell .search-panel input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 0;
}

.leksia-app-shell .search-panel-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border-subtle);
}

.leksia-app-shell .search-panel-toolbar[hidden] {
  display: none !important;
}

.leksia-app-shell .search-panel-count {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
  min-width: 4.5em;
}

.leksia-app-shell .search-panel-nav {
  display: flex;
  gap: 4px;
}

.leksia-app-shell .search-nav-btn {
  width: 36px;
  height: 36px;
}

/* Подсветка вхождений (как «найти в браузере») */
body.leksia-app-shell mark.leksia-find-hit {
  background: #fde047;
  color: #1c1917;
  padding: 0 0.06em;
  border-radius: 2px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

body.leksia-app-shell mark.leksia-find-hit.leksia-find-hit--current {
  outline: 2px solid var(--accent, #10a37f);
  outline-offset: 1px;
}

.leksia-app-shell .icon-btn {
  width: 40px;
  height: 40px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s;
}

.leksia-app-shell .icon-btn:hover,
.leksia-app-shell .icon-btn:focus-visible {
  background: var(--bg-input);
  color: var(--text-primary);
  outline: none;
}

/*
 * Слот и чат — position:absolute и явные inset, без flex-цепочки через обёртки WP.
 * Содержащий блок: .main.leksia-app-main (position: relative).
 */
body.leksia-app-shell #leksia-main-slot.leksia-main-slot.entry-content {
  position: absolute;
  left: 0;
  right: 0;
  top: var(--header-h);
  bottom: 0;
  z-index: 1;
  overflow: hidden;
  margin: 0;
}

body.leksia-app-shell #leksia-main-slot #leksia-chat-inline.leksia-chat-root.embedded {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  width: 100%;
  max-height: none;
  flex: none;
  margin: 0;
}

body.leksia-app-shell #leksia-main-slot .leksia-chat-panel.embedded {
  flex: 1;
  min-height: 0;
  height: 100%;
  overflow: hidden;
}

.leksia-app-shell .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/*
 * Шаблон «Лексия — контент» (body.leksia-app-simple): длинные формы и тексты —
 * вертикальный скролл в основной колонке, без кнопки поиска в шапке.
 */
body.leksia-app-shell.leksia-app-simple #leksia-main-slot.leksia-main-slot.entry-content {
  position: relative;
  flex: 1 1 auto;
  align-self: stretch;
  width: 100%;
  min-height: 0;
  top: auto;
  right: auto;
  bottom: auto;
  left: auto;
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
  padding: clamp(12px, 2.5vw, 28px) max(12px, env(safe-area-inset-right)) max(20px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
  z-index: 1;
}

/* На странице контента внутри слота не форсируем абсолютный чат */
body.leksia-app-shell.leksia-app-simple #leksia-main-slot #leksia-chat-inline.leksia-chat-root.embedded {
  position: relative;
  left: auto;
  right: auto;
  top: auto;
  bottom: auto;
  width: 100%;
  min-height: min(70dvh, 720px);
  max-height: none;
}

/*
 * Шаблон «Лексия — текст» (body.leksia-app-prose): узкая колонка + типографика.
 */
body.leksia-app-shell.leksia-app-prose #leksia-main-slot.leksia-app-prose-slot {
  display: flex;
  flex-direction: column;
  align-items: center;
}

body.leksia-app-shell.leksia-app-prose .leksia-app-prose {
  width: 100%;
  max-width: min(40rem, 100%);
  margin: 0 auto;
  padding: clamp(1.25rem, 3vw, 2.25rem);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.65;
  text-align: left;
}

body.leksia-app-shell.leksia-app-prose .leksia-app-prose > *:first-child {
  margin-top: 0;
}

body.leksia-app-shell.leksia-app-prose .leksia-app-prose > *:last-child {
  margin-bottom: 0;
}

body.leksia-app-shell.leksia-app-prose .leksia-app-prose h1,
body.leksia-app-shell.leksia-app-prose .leksia-app-prose h2,
body.leksia-app-shell.leksia-app-prose .leksia-app-prose h3,
body.leksia-app-shell.leksia-app-prose .leksia-app-prose h4 {
  color: var(--text-primary);
  font-weight: 650;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

body.leksia-app-shell.leksia-app-prose .leksia-app-prose h1 {
  font-size: clamp(1.35rem, 2.4vw, 1.65rem);
  margin: 0 0 1rem;
}

body.leksia-app-shell.leksia-app-prose .leksia-app-prose h2 {
  font-size: 1.125rem;
  margin: 2rem 0 0.75rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--border-subtle);
}

body.leksia-app-shell.leksia-app-prose .leksia-app-prose h3 {
  font-size: 1.02rem;
  margin: 1.5rem 0 0.5rem;
}

body.leksia-app-shell.leksia-app-prose .leksia-app-prose h4 {
  font-size: 0.98rem;
  margin: 1.25rem 0 0.4rem;
}

body.leksia-app-shell.leksia-app-prose .leksia-app-prose p {
  margin: 0 0 1rem;
}

body.leksia-app-shell.leksia-app-prose .leksia-app-prose ul,
body.leksia-app-shell.leksia-app-prose .leksia-app-prose ol {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
}

body.leksia-app-shell.leksia-app-prose .leksia-app-prose li {
  margin-bottom: 0.35rem;
}

body.leksia-app-shell.leksia-app-prose .leksia-app-prose li::marker {
  color: var(--text-muted);
}

body.leksia-app-shell.leksia-app-prose .leksia-app-prose a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.2em;
  text-decoration-thickness: 1px;
  transition: color 0.15s ease;
}

body.leksia-app-shell.leksia-app-prose .leksia-app-prose a:hover {
  color: var(--accent-hover, var(--accent));
}

body.leksia-app-shell.leksia-app-prose .leksia-app-prose strong,
body.leksia-app-shell.leksia-app-prose .leksia-app-prose b {
  color: var(--text-primary);
  font-weight: 600;
}

body.leksia-app-shell.leksia-app-prose .leksia-app-prose hr {
  border: 0;
  border-top: 1px solid var(--border-subtle);
  margin: 2rem 0;
}

body.leksia-app-shell.leksia-app-prose .leksia-app-prose blockquote {
  margin: 1.25rem 0;
  padding: 0.75rem 0 0.75rem 1rem;
  border-left: 3px solid var(--accent);
  background: rgba(255, 255, 255, 0.04);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-secondary);
}

body.leksia-app-shell.leksia-app-prose .leksia-app-prose code,
body.leksia-app-shell.leksia-app-prose .leksia-app-prose kbd {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.86em;
  padding: 0.12em 0.4em;
  border-radius: 4px;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

body.leksia-app-shell.leksia-app-prose .leksia-app-prose pre {
  margin: 1rem 0;
  padding: 1rem;
  overflow-x: auto;
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  font-size: 0.8125rem;
  line-height: 1.5;
}

body.leksia-app-shell.leksia-app-prose .leksia-app-prose pre code {
  border: 0;
  padding: 0;
  background: transparent;
  font-size: inherit;
}

body.leksia-app-shell.leksia-app-prose .leksia-app-prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  margin: 1rem 0;
}

body.leksia-app-shell.leksia-app-prose .leksia-app-prose th,
body.leksia-app-shell.leksia-app-prose .leksia-app-prose td {
  border: 1px solid var(--border-subtle);
  padding: 0.5rem 0.65rem;
  text-align: left;
  vertical-align: top;
}

body.leksia-app-shell.leksia-app-prose .leksia-app-prose th {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  font-weight: 600;
}

/* Блоки Gutenberg внутри статьи */
body.leksia-app-shell.leksia-app-prose .leksia-app-prose .wp-block-image img {
  border-radius: var(--radius-sm);
  height: auto;
  max-width: 100%;
}

body.leksia-app-shell.leksia-app-prose .leksia-app-prose .alignwide {
  max-width: none;
}

@media (max-width: 600px) {
  body.leksia-app-shell.leksia-app-prose .leksia-app-prose {
    padding: 1rem 1rem 1.25rem;
    border-radius: 0;
    border-left: none;
    border-right: none;
  }
}