.learning-actions { display: flex; gap: 10px; padding: 10px 24px max(10px, env(safe-area-inset-bottom)); border-top: 1px solid var(--line); flex-shrink: 0; }
.learning-actions button { flex: 1; }
/* Обучение не меняет ширину рисунка при демонстрации боковых вкладок.
   Значение сохраняет отступ панели, если она была открыта до обучения. */
body[data-assistance="true"] .studio { margin-right: var(--assist-margin, 0px); }
body[data-assistance="true"] .settings-panel[open] { animation: none; }
#assistance-dialog { position: fixed; inset: 0; width: 100%; height: 100dvh; max-width: none; max-height: none; border: 0; margin: 0; padding: 0; background: transparent; color: var(--text); overflow: hidden; }
#assistance-dialog::backdrop { background: transparent; }
#assistance-dialog[data-mode="help"] { background: var(--scrim); }
#assistance-dialog[data-mode="help"][open] { display: flex; align-items: center; justify-content: center; padding: max(18px, env(safe-area-inset-top)) max(18px, env(safe-area-inset-right)) max(18px, env(safe-area-inset-bottom)) max(18px, env(safe-area-inset-left)); }
.assistance-card { position: relative; background: var(--panel); border: 1px solid var(--strong-line); border-radius: 16px; padding: 22px; box-shadow: 0 20px 70px var(--shadow); min-width: 0; }
#assistance-dialog[data-mode="help"] .assistance-card { display: flex; flex-direction: column; width: min(850px,100%); min-height: 0; max-height: 100%; }
.assistance-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; flex-shrink: 0; }
.assistance-header > div { min-width: 0; overflow-wrap: anywhere; }
.assistance-header button { flex-shrink: 0; }
.assistance-header h2 { margin: 0; font-size: 22px; line-height: 1.3; }
.assistance-header p { margin: 0 0 8px; }
.assistance-actions { display: flex; flex-shrink: 0; gap: 2px; margin: -8px -9px 0 0; }
.assistance-actions .button { width: 40px; min-height: 40px; padding: 8px; }
.help-content { flex: 1 1 auto; overflow-y: auto; overscroll-behavior: contain; min-height: 0; padding-right: 10px; margin-top: 20px; scrollbar-width: thin; scrollbar-color: var(--strong-line) transparent; }
#help-toc { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 20px; border-bottom: 1px solid var(--line); padding: 0 0 22px; }
#help-toc a { color: var(--accent); font-size: 14px; line-height: 1.5; text-underline-offset: 3px; }
#help-sections section { padding: 24px 0; border-bottom: 1px solid var(--line); scroll-margin-top: 12px; }
#help-sections section:last-child { border-bottom: 0; }
#help-sections h3 { font-size: 18px; margin: 0 0 12px; }
#help-sections p, #tour-copy { font-size: 14px; line-height: 1.7; margin: 0 0 14px; }
#help-sections p:last-child { margin-bottom: 0; }
.help-shortcuts { width: 100%; table-layout: fixed; overflow-wrap: anywhere; border-collapse: collapse; margin-top: 18px; font-size: 13px; line-height: 1.5; }
.help-shortcuts th, .help-shortcuts td { padding: 10px 8px; text-align: left; border-bottom: 1px solid var(--line); }
.help-shortcuts th { color: var(--accent); }
.assistance-footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px; padding-top: 18px; margin-top: 6px; border-top: 1px solid var(--line); flex-shrink: 0; }
.tour-navigation { display: flex; gap: 8px; margin-left: auto; }
#tour-highlight { position: fixed; z-index: 30; border: 2px solid var(--accent); border-radius: 10px; box-shadow: 0 0 0 100vmax var(--scrim); pointer-events: none; }
#assistance-dialog[data-mode="tour"] { padding: max(12px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) max(12px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left)); }
#assistance-dialog[data-mode="tour"] .assistance-card { position: fixed; z-index: 40; display: flex; flex-direction: column; width: min(360px,calc(100vw - max(12px, env(safe-area-inset-left)) - max(12px, env(safe-area-inset-right)))); overflow: hidden; }
#tour-copy { margin: 16px 0; min-height: 0; overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; padding-right: 5px; }
#assistance-dialog[data-mode="tour"] .assistance-footer { flex-wrap: wrap; }
@media (max-width: 540px) {
  #assistance-dialog[data-mode="help"][open] { padding: max(10px, env(safe-area-inset-top)) max(10px, env(safe-area-inset-right)) max(10px, env(safe-area-inset-bottom)) max(10px, env(safe-area-inset-left)); }
  .assistance-card { padding: 18px; }
  #help-toc { grid-template-columns: 1fr; }
  .assistance-header h2 { font-size: 20px; }
  .help-shortcuts th, .help-shortcuts td { padding: 8px 4px; }
}

/* Панель — дочерняя часть модального гайда: остаётся доступна для
   нативной прокрутки, но поля не меняют настройки во время обучения. */
#assistance-dialog > .settings-panel { height: calc(100dvh - var(--tour-preview-bottom, 0px)); }
#assistance-dialog .drawer-header, #assistance-dialog .learning-actions { display: none; }
#assistance-dialog .settings-panel button:disabled { opacity: 1; }
#assistance-dialog .drawer-scroll { padding-top: 12px; touch-action: pan-y; }
#assistance-dialog .drawer-actions .export-popover { max-height: calc(100dvh - var(--tour-preview-bottom, 0px) - 80px); }
#assistance-dialog[data-mode="tour"] .assistance-footer { gap: 6px; padding-top: 10px; margin-top: 0; }
#assistance-dialog[data-mode="tour"] .assistance-footer .button { padding: 9px 10px; min-height: 40px; }
.assistance-card[data-collapsed="true"] #tour-copy,
.assistance-card[data-collapsed="true"] .assistance-footer { display: none; }
.assistance-card[data-collapsed="true"] .assistance-header h2 { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.assistance-card[data-collapsed="true"] #tour-progress { margin: 0; line-height: 24px; }
.assistance-card[data-collapsed="true"] #tour-collapse svg { transform: rotate(180deg); }
@media (max-width: 760px), (max-height: 460px) {
  #assistance-dialog[data-mode="tour"] .assistance-card { padding: 14px; }
  #assistance-dialog[data-mode="tour"] .assistance-header h2 { font-size: 17px; }
  #assistance-dialog[data-mode="tour"] .assistance-header p { font-size: 12px; margin-bottom: 4px; }
  #tour-copy { margin: 10px 0; line-height: 1.5; }
}

/* Меню PNG на последнем шаге получает собственную область над подсказкой,
   одинаковую в обычном и полноэкранном режимах. */
#assistance-dialog > .export-menu { position: fixed; z-index: 25; top: max(12px, env(safe-area-inset-top)); right: max(12px, env(safe-area-inset-right)); width: min(320px,calc(100vw - 24px)); max-height: calc(100dvh - var(--tour-preview-bottom, 0px) - max(12px, env(safe-area-inset-top))); overflow-y: auto; overscroll-behavior: contain; touch-action: pan-y; }
#assistance-dialog > .export-menu > summary { display: none; }
#assistance-dialog > .export-menu .export-popover { position: static; width: 100%; max-height: none; overflow: visible; }
#assistance-dialog > .export-menu button:disabled { opacity: 1; }

/* В горизонтальном положении телефона две колонки дают больше места
   для текста и прокрутки настроек, чем две низкие горизонтальные полосы. */
@media (min-width: 560px) and (max-width: 760px) and (max-height: 460px) {
  #assistance-dialog[data-mode="tour"] .assistance-card { width: calc(48vw - 28px); }
  #assistance-dialog > .settings-panel { width: 52vw; }
  #assistance-dialog > .export-menu { width: calc(52vw - 24px); }
  #assistance-dialog[data-preview="other"] .assistance-card { width: min(480px,calc(100vw - 24px)); }
}