/**
 * Страница решения задания 2 — task_solve
 * NeuroEGE
 */

/* Header с вариантами (без лого и меню) */
.header--task {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.75rem;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  margin-left: -0.5rem;
}

/* Круг с номером задания 2 — толстая рамка с круговой зелено-белой анимацией */
@keyframes task-circle-border-spin {
  to {
    transform: rotate(360deg);
  }
}

.task-circle--header {
  position: relative;
  flex-shrink: 0;
  width: 4rem;
  height: 4rem;
  min-width: 4rem;
  min-height: 4rem;
  margin-right: 1rem;
  border: none;
  background: linear-gradient(145deg, #1e2a26 0%, #1a2522 50%, #16201d 100%);
  box-shadow:
    inset 1px 1px 3px rgba(5, 184, 125, 0.15),
    0 0 12px rgba(5, 184, 125, 0.25);
  z-index: 1;
}

/* Рамка: градиент только по периметру (кольцо), центр без анимации */
.task-circle--header::before {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: conic-gradient(
    from 0deg,
    var(--green),
    rgba(255, 255, 255, 0.95),
    var(--green),
    rgba(5, 184, 125, 0.4),
    var(--green),
    rgba(255, 255, 255, 0.95),
    var(--green),
    rgba(5, 184, 125, 0.4),
    var(--green)
  );
  mask: radial-gradient(circle, transparent 2rem, black calc(2rem + 4px));
  -webkit-mask: radial-gradient(circle, transparent 2rem, black calc(2rem + 4px));
  animation: task-circle-border-spin 30s linear infinite;
  z-index: -1;
}

.task-circle--header:hover::before {
  animation-duration: 20s;
}

.task-circle--header:hover {
  box-shadow:
    inset 1px 1px 3px rgba(5, 184, 125, 0.2),
    0 0 16px rgba(5, 184, 125, 0.4);
}

.task-circle--header .task-circle__number {
  font-size: 2rem;
  color: var(--green);
}

.header--task .header__right {
  margin-left: auto;
}

.header__variants {
  display: flex;
  justify-content: flex-start;
  min-width: 0;
}

.header__variants-scroll {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0.25rem 0;
  scrollbar-width: thin;
}

.header__variants-scroll::-webkit-scrollbar {
  height: 6px;
}

.header__variants-scroll::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.3);
  border-radius: 3px;
}

.header__variants-empty {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Variant circle — компактный размер, выравнивание по левому краю */
.variant-circle {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  min-width: 4rem;
  min-height: 4rem;
  padding: 0.3rem;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  cursor: pointer;
  background: linear-gradient(145deg, #2a2f35 0%, #23282d 50%, #1e2228 100%);
  box-shadow:
    inset 1px 1px 3px rgba(255, 255, 255, 0.08),
    inset -1px -1px 2px rgba(0, 0, 0, 0.2),
    0 2px 6px rgba(0, 0, 0, 0.3);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  flex-shrink: 0;
}

.variant-circle:hover {
  border-color: var(--green);
  box-shadow:
    inset 2px 2px 6px rgba(255, 255, 255, 0.1),
    0 0 12px rgba(5, 184, 125, 0.2);
}

.variant-circle--active {
  border-color: var(--green);
  box-shadow: 0 0 16px rgba(5, 184, 125, 0.35);
}

.variant-circle__title {
  font-size: 0.5625rem;
  font-weight: 500;
  text-align: center;
  line-height: 1.15;
  word-break: break-word;
  overflow-wrap: break-word;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

/* Страница: сетка 2 колонки — секция справа (текст задания) в первом ряду у верхнего края */
.task-solve-page {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto 1fr auto;
  gap: 0 1.5rem;
  min-height: 100vh;
  padding: 0 2rem 0 2rem;
}

.task-solve-page .header--task {
  grid-column: 1;
  grid-row: 1;
}

.task-solve__right {
  grid-column: 2;
  grid-row: 1 / 3;
  align-self: start;
  min-height: 0;
}

.task-solve-main {
  grid-column: 1;
  grid-row: 2;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0.5rem 0 2rem 0;
  position: relative;
  z-index: 5;
}

.task-solve__left {
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.task-solve-page .footer {
  grid-column: 1 / -1;
  grid-row: 3;
}

/* Sandbox */
.task-sandbox {
  display: flex;
  flex-direction: column;
  background: #1e2228;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

.task-sandbox__header {
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  background: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.task-sandbox__editor {
  flex: 1;
  min-height: 420px;
  padding: 1rem;
  font-family: "JetBrains Mono", "Fira Code", "Consolas", monospace;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--white);
  background: transparent;
  border: none;
  resize: vertical;
}

.task-sandbox__editor:focus {
  outline: none;
}

.task-sandbox__editor::placeholder {
  color: var(--text-muted);
}

/* Текст задания */
.task-solve__statement {
  background: #1e2228;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: auto;
}

.task-statement__content {
  padding: 1.25rem;
  font-size: 0.9375rem;
  line-height: 1.6;
}

.task-statement__content table {
  border-collapse: collapse;
  margin: 1rem 0;
}

.task-statement__content th,
.task-statement__content td {
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.5rem 0.75rem;
}

.task-statement__content p {
  margin-bottom: 0.75rem;
}

.task-statement__empty {
  color: var(--text-muted);
}

/* Светлая тема */
[data-theme="light"] .task-circle--header {
  background: linear-gradient(145deg, #e8f5f0 0%, #e0f0e8 50%, #d8ebe4 100%);
}

[data-theme="light"] .variant-circle {
  border-color: rgba(0, 0, 0, 0.2);
  background: linear-gradient(145deg, #ffffff 0%, #f5f5f7 50%, #ececef 100%);
  box-shadow:
    inset 1px 1px 3px rgba(255, 255, 255, 0.9),
    0 2px 6px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .variant-circle:hover {
  box-shadow:
    inset 2px 2px 6px rgba(255, 255, 255, 0.95),
    0 0 12px rgba(5, 184, 125, 0.25);
}

[data-theme="light"] .task-solve__statement {
  background: #e8e8ed;
  border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .task-statement__content th,
[data-theme="light"] .task-statement__content td {
  border-color: rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .header__variants-scroll::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.25);
}

/* Видео вместо Pyodide (task-view toggle) */
.task-view {
  display: flex;
  flex-direction: column;
}

.task-view--sandbox {
  min-height: 0;
}

/* Pyodide + shell на высоту колонки (рядом с условием) */
body.neuroege-python-task6-page.libreoffice-page-hf-task-list #sandbox-view {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

body.neuroege-python-task6-page.libreoffice-page-hf-task-list #sandbox-view #python-sandbox-win-container {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.task-view--video {
  min-height: min(55vh, 500px);
}

.task-view--sandbox[hidden],
.task-view--video[hidden] {
  display: none !important;
}

.task-view--video {
  background: #1e2228;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
}

[data-theme="light"] .task-view--video {
  background: #e8e8ed;
  border-color: rgba(0, 0, 0, 0.1);
}

.video-view__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
}

[data-theme="light"] .video-view__header {
  background: rgba(0, 0, 0, 0.06);
  border-bottom-color: rgba(0, 0, 0, 0.08);
}

.video-view__title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--white);
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.video-view__actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.video-view__btn {
  padding: 0.4rem 0.75rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.video-view__btn:hover {
  color: var(--white);
  border-color: var(--green);
}

[data-theme="light"] .video-view__btn {
  border-color: rgba(0, 0, 0, 0.2);
}

[data-theme="light"] .video-view__btn:hover {
  border-color: var(--green);
}

.video-view__player {
  flex: 1;
  width: 100%;
  aspect-ratio: 16 / 9;
  min-height: 320px;
  background: #000;
}

.video-view__iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* Модальное окно на весь экран */
.video-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  z-index: 1100;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.video-modal-backdrop.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.video-modal {
  position: fixed;
  inset: 2rem;
  z-index: 1101;
  display: flex;
  align-items: center;
  justify-content: center;
  visibility: hidden;
  pointer-events: none;
}

.video-modal.is-open {
  visibility: visible;
  pointer-events: auto;
}

.video-modal__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  font-size: 1.75rem;
  line-height: 1;
  color: var(--white);
  background: rgba(0, 0, 0, 0.5);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  z-index: 2;
  transition: background 0.2s ease;
  pointer-events: auto;
}

.video-modal__close:hover {
  background: rgba(0, 0, 0, 0.7);
}

.video-modal__player {
  width: 100%;
  max-width: 1200px;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
}

.video-modal__iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* Панель пошагового объяснения (Explain Mode) */
.explain-panel {
  flex-shrink: 0;
  background: #1e2228;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.explain-panel__header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: rgba(5, 184, 125, 0.12);
  border-bottom: 1px solid rgba(5, 184, 125, 0.25);
}

.explain-panel__title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--green);
}

.explain-panel__progress {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-left: auto;
}

.explain-panel__close {
  width: 2rem;
  height: 2rem;
  padding: 0;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: color 0.2s, background 0.2s;
}

.explain-panel__close:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
}

.explain-panel__body {
  padding: 1rem;
}

.explain-panel__content {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--white);
  margin-bottom: 1rem;
}

.explain-panel__content strong {
  color: var(--green);
}

.explain-panel__code {
  padding: 1rem;
  margin: 0 0 1rem 0;
  font-family: "JetBrains Mono", "Fira Code", "Consolas", monospace;
  font-size: 0.8125rem;
  line-height: 1.5;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  overflow-x: auto;
  white-space: pre;
}

.explain-panel__actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.explain-panel__actions-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  justify-content: flex-start;
}

.explain-panel__actions .explain-panel__btn--primary {
  flex-shrink: 0;
}

.explain-panel__actions-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
  justify-content: flex-end;
}

.explain-panel__btn--icon {
  padding: 0.5rem 0.6rem;
  font-size: 1rem;
  min-width: 2.25rem;
  color: var(--white);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.explain-panel__btn--icon:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.18);
}

.explain-panel__btn--icon:disabled {
  opacity: 0.4;
}

.explain-panel__btn--audio {
  padding: 0.5rem 0.75rem;
  font-size: 1.125rem;
  color: var(--green);
  background: rgba(5, 184, 125, 0.15);
  border: 1px solid rgba(5, 184, 125, 0.4);
}

.explain-panel__btn--audio:hover {
  background: rgba(5, 184, 125, 0.25);
}

.explain-panel__btn {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: opacity 0.2s, background 0.2s;
}

.explain-panel__btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.explain-panel__btn--primary {
  color: var(--bg);
  background: var(--green);
  border: none;
}

.explain-panel__btn--primary:hover:not(:disabled) {
  opacity: 0.9;
}

.explain-panel__btn--secondary {
  color: var(--white);
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
}

.explain-panel__btn--secondary:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.22);
}

[data-theme="light"] .explain-panel {
  background: #e8e8ed;
  border-color: rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .explain-panel__header {
  background: rgba(5, 184, 125, 0.1);
  border-bottom-color: rgba(5, 184, 125, 0.2);
}

[data-theme="light"] .explain-panel__content {
  color: #1a1a1a;
}

[data-theme="light"] .explain-panel__code {
  background: rgba(0, 0, 0, 0.06);
  border-color: rgba(0, 0, 0, 0.1);
}

/* Объяснить / Разбор в ряду с «Показать ответ» (задание 6) */
body.neuroege-python-task6-page.libreoffice-page-task9 .libreoffice-hf-answer-actions-row .libreoffice-task2-answer-explain-tools,
body.neuroege-python-task6-page.libreoffice-page-task6 .libreoffice-hf-answer-actions-row .libreoffice-task2-answer-explain-tools {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0;
}

body.neuroege-python-task6-page.libreoffice-page-task6 .libreoffice-hf-answer-actions-row .python-sandbox__action.task-answer-peek {
  margin-top: 0;
}

/* SEO-блок на hub /task6/ — скрыт в UI, разметка остаётся для индексации */
.task6-seo-nav {
  display: none;
  margin: 0.5rem 0 0.75rem;
  font-size: 0.8125rem;
  color: var(--text-muted, #64748b);
  border: 1px solid var(--border-color, rgba(148, 163, 184, 0.35));
  border-radius: 0.5rem;
  background: rgba(15, 23, 42, 0.35);
}

.task6-seo-nav__summary {
  cursor: pointer;
  padding: 0.45rem 0.65rem;
  font-weight: 500;
  color: var(--text-color, #e2e8f0);
  list-style: none;
}

.task6-seo-nav__summary::-webkit-details-marker {
  display: none;
}

.task6-seo-nav__body {
  padding: 0 0.65rem 0.65rem;
}

.task6-seo-nav__text {
  margin: 0 0 0.5rem;
  line-height: 1.45;
}

.task6-seo-nav__modes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.5rem;
}

.task6-seo-nav__mode {
  display: inline-flex;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.45);
  text-decoration: none;
  color: inherit;
}

.task6-seo-nav__mode--active {
  border-color: #38bdf8;
  color: #e0f2fe;
  background: rgba(56, 189, 248, 0.12);
}

.task6-seo-nav__links {
  margin: 0;
  font-size: 0.75rem;
}

.task6-seo-nav__links a {
  color: #7dd3fc;
}

/* Задание 6: Python | Кумир между «Официальные» и «Авторские» */
.task6-variants-nav__titles-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 0.45rem 0.65rem;
  margin-bottom: 0.45rem;
}

.task6-variants-nav__titles-row .variants-year__column-title {
  margin: 0;
}

.task6-variants-nav__titles-row .variants-year__column-title--official {
  justify-self: center;
  color: #bfdbfe;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.22) 0%, rgba(59, 130, 246, 0.08) 100%);
  border: 1px solid rgba(59, 130, 246, 0.35);
}

.task6-variants-nav__titles-row .variants-year__column-title--author {
  justify-self: center;
  color: #a7f3d0;
  background: linear-gradient(135deg, rgba(5, 184, 125, 0.22) 0%, rgba(5, 184, 125, 0.08) 100%);
  border: 1px solid rgba(5, 184, 125, 0.35);
}

[data-theme="light"] .task6-variants-nav__titles-row .variants-year__column-title--official {
  color: #1d4ed8;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.12) 0%, rgba(59, 130, 246, 0.04) 100%);
}

[data-theme="light"] .task6-variants-nav__titles-row .variants-year__column-title--author {
  color: #047857;
  background: linear-gradient(135deg, rgba(5, 184, 125, 0.12) 0%, rgba(5, 184, 125, 0.04) 100%);
}

.task6-variants-nav__engine-slot {
  display: flex;
  align-items: center;
  justify-content: center;
  justify-self: center;
  padding: 0;
  margin: 0;
  border: none;
  background: transparent;
  box-shadow: none;
}

.task6-variants-nav__engine-slot.hf-variants-nav__toolbar {
  min-height: 0;
}

.task6-variants-nav__columns.variants-year__columns {
  align-items: stretch;
}

/* Python | Кумир — премиальный переключатель (только иконки) */
.task6-dual-engine-toggle--icon-premium {
  --task6-engine-toggle-track: rgba(255, 255, 255, 0.07);
  --task6-engine-toggle-border: rgba(255, 255, 255, 0.18);
  --task6-engine-toggle-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    0 2px 10px rgba(0, 0, 0, 0.22);
  display: inline-flex;
  align-items: center;
  gap: 0.14rem;
  padding: 0.14rem;
  border-radius: 9999px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.02) 100%),
    var(--task6-engine-toggle-track);
  border: 1px solid var(--task6-engine-toggle-border);
  box-shadow: var(--task6-engine-toggle-shadow);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.task6-dual-engine-toggle--icon-premium .task6-dual-engine-toggle__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  min-width: 2rem;
  min-height: 2rem;
  margin: 0;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 9999px;
  background: transparent;
  color: rgba(255, 255, 255, 0.55);
  cursor: pointer;
  transition:
    background 0.22s ease,
    border-color 0.22s ease,
    box-shadow 0.22s ease,
    transform 0.18s ease,
    opacity 0.22s ease,
    filter 0.22s ease;
  -webkit-tap-highlight-color: transparent;
}

.task6-dual-engine-toggle--icon-premium .task6-dual-engine-toggle__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.125rem;
  height: 1.125rem;
  flex: 0 0 auto;
}

.task6-dual-engine-toggle--icon-premium .task6-dual-engine-toggle__icon img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.task6-dual-engine-toggle--icon-premium .task6-dual-engine-toggle__icon .oge-kumir-chrome__app-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.125rem;
  height: 1.125rem;
  border-radius: 3px;
  background: #1e4a8a;
  color: #ffd54f;
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1;
  flex: 0 0 auto;
  box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.18);
}

.task6-dual-engine-toggle--icon-premium .task6-dual-engine-toggle__btn--python:not(.task-9-mode-toggle__item--active) {
  opacity: 0.72;
  filter: saturate(0.75) brightness(0.92);
}

.task6-dual-engine-toggle--icon-premium .task6-dual-engine-toggle__btn--kumir:not(.task-9-mode-toggle__item--active) {
  opacity: 0.88;
  filter: none;
}

.task6-dual-engine-toggle--icon-premium .task6-dual-engine-toggle__btn:not(.task-9-mode-toggle__item--active):hover {
  opacity: 1;
  filter: none;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.14);
}

.task6-dual-engine-toggle--icon-premium .task6-dual-engine-toggle__btn--python.task-9-mode-toggle__item--active {
  opacity: 1;
  filter: none;
  border-color: rgba(96, 165, 250, 0.72);
  background: linear-gradient(
    165deg,
    rgba(56, 126, 184, 0.92) 0%,
    rgba(54, 105, 148, 0.78) 100%
  );
  box-shadow:
    0 3px 14px rgba(55, 118, 171, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.22);
  transform: scale(1.04);
}

.task6-dual-engine-toggle--icon-premium .task6-dual-engine-toggle__btn--kumir.task-9-mode-toggle__item--active {
  opacity: 1;
  filter: none;
  border-color: rgba(52, 211, 153, 0.78);
  background: linear-gradient(
    165deg,
    rgba(5, 184, 125, 0.88) 0%,
    rgba(16, 185, 129, 0.72) 100%
  );
  box-shadow:
    0 3px 14px rgba(5, 184, 125, 0.38),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transform: scale(1.04);
}

[data-theme="light"] .task6-dual-engine-toggle--icon-premium {
  --task6-engine-toggle-track: rgba(15, 23, 42, 0.04);
  --task6-engine-toggle-border: rgba(15, 23, 42, 0.12);
  --task6-engine-toggle-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.85),
    0 2px 8px rgba(15, 23, 42, 0.08);
}

[data-theme="light"] .task6-dual-engine-toggle--icon-premium .task6-dual-engine-toggle__btn:not(.task-9-mode-toggle__item--active) {
  color: rgba(15, 23, 42, 0.45);
}

[data-theme="light"] .task6-dual-engine-toggle--icon-premium .task6-dual-engine-toggle__btn:not(.task-9-mode-toggle__item--active):hover {
  background: rgba(15, 23, 42, 0.06);
  border-color: rgba(15, 23, 42, 0.1);
}

[data-theme="light"] .task6-dual-engine-toggle--icon-premium .task6-dual-engine-toggle__btn--python.task-9-mode-toggle__item--active {
  border-color: rgba(59, 130, 246, 0.55);
  box-shadow:
    0 3px 12px rgba(55, 118, 171, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

[data-theme="light"] .task6-dual-engine-toggle--icon-premium .task6-dual-engine-toggle__btn--kumir.task-9-mode-toggle__item--active {
  border-color: rgba(16, 185, 129, 0.55);
  box-shadow:
    0 3px 12px rgba(5, 184, 125, 0.24),
    inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

/* Slug /ege-6/{slug}/kumir/: условие вместо listing dashboard «Мой прогресс». */
body.neuroege-task6-kumir-page[data-neuroege-hf-variant-selected="1"] #neuroege-dashboard,
body.neuroege-task6-kumir-page[data-neuroege-hf-variant-selected="1"] .task6-seo-nav,
body.neuroege-task6-kumir-page[data-neuroege-hf-variant-selected="1"]
  .neuroege-hf-trainer-intro[data-neuroege-trainer-intro] {
  display: none !important;
}

body.neuroege-task6-kumir-page[data-neuroege-hf-variant-selected="1"] #libreoffice-task9-statement-wrap:not([hidden]) {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
}

@media (max-width: 768px) and (pointer: coarse) {
  body.neuroege-task6-py-page.task6-py-mobile-mode .task6-variants-nav__engine-slot[hidden],
  body.neuroege-task6-kumir-page.task6-kumir-mobile-mode .task6-variants-nav__engine-slot[hidden] {
    display: none !important;
  }

  body.neuroege-task6-py-page.task6-py-mobile-mode
    .task6-variants-nav__titles-row:has(.task6-variants-nav__engine-slot[hidden]),
  body.neuroege-task6-kumir-page.task6-kumir-mobile-mode
    .task6-variants-nav__titles-row:has(.task6-variants-nav__engine-slot[hidden]) {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .ege-task2-variants-panel-head__engine .task6-dual-engine-toggle--icon-premium {
    flex: 0 0 auto;
  }

  .ege-task2-variants-panel-head__engine .task6-dual-engine-toggle--icon-premium .task6-dual-engine-toggle__btn {
    width: 1.85rem;
    height: 1.85rem;
    min-width: 1.85rem;
    min-height: 1.85rem;
  }

  .ege-task2-variants-panel-head__engine .task6-dual-engine-toggle--icon-premium .task6-dual-engine-toggle__icon {
    width: 1rem;
    height: 1rem;
  }

  .ege-task2-variants-panel-head__engine .task6-dual-engine-toggle--icon-premium .task6-dual-engine-toggle__icon .oge-kumir-chrome__app-icon {
    width: 1rem;
    height: 1rem;
    font-size: 0.6875rem;
  }
}

[data-palette="pink"] .task6-dual-engine-toggle--icon-premium .task6-dual-engine-toggle__btn--python.task-9-mode-toggle__item--active {
  border-color: rgba(244, 114, 182, 0.72);
  background: linear-gradient(
    165deg,
    rgba(236, 72, 153, 0.88) 0%,
    rgba(219, 39, 119, 0.74) 100%
  );
  box-shadow:
    0 3px 14px rgba(236, 72, 153, 0.34),
    inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

[data-palette="pink"] .task6-dual-engine-toggle--icon-premium .task6-dual-engine-toggle__btn--kumir.task-9-mode-toggle__item--active {
  border-color: rgba(251, 113, 133, 0.78);
  background: linear-gradient(
    165deg,
    rgba(244, 63, 94, 0.86) 0%,
    rgba(225, 29, 72, 0.72) 100%
  );
  box-shadow:
    0 3px 14px rgba(244, 63, 94, 0.32),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* Сброс legacy task-9-mode-toggle в тулбаре вариантов */
.hf-sheet-dual-trainer__toolbar .task6-dual-engine-toggle--icon-premium {
  overflow: visible;
}

.hf-sheet-dual-trainer__toolbar .task6-dual-engine-toggle--icon-premium > * + * {
  border-left: none;
}

.hf-sheet-dual-trainer__toolbar .task6-dual-engine-toggle--icon-premium .task-9-mode-toggle__item {
  gap: 0;
  padding: 0;
  font-size: 0;
  font-weight: inherit;
  white-space: normal;
  color: inherit;
  box-shadow: none;
}

.hf-sheet-dual-trainer__toolbar .task6-dual-engine-toggle--icon-premium .task-9-mode-toggle__item--active {
  color: inherit;
  cursor: pointer;
  font-weight: inherit;
}

.hf-sheet-dual-trainer__toolbar .task6-dual-engine-toggle--icon-premium .task6-dual-engine-toggle__btn--python.task-9-mode-toggle__item--active,
.hf-sheet-dual-trainer__toolbar .task6-dual-engine-toggle--icon-premium .task6-dual-engine-toggle__btn--kumir.task-9-mode-toggle__item--active {
  cursor: default;
}

.hf-sheet-dual-trainer__toolbar .task6-dual-engine-toggle--icon-premium button.task-9-mode-toggle__item:hover {
  background: transparent;
}

.hf-sheet-dual-trainer__toolbar .task6-dual-engine-toggle--icon-premium .task6-dual-engine-toggle__btn:not(.task-9-mode-toggle__item--active):hover {
  background: rgba(255, 255, 255, 0.08);
}

[data-theme="light"] .hf-sheet-dual-trainer__toolbar .task6-dual-engine-toggle--icon-premium .task6-dual-engine-toggle__btn:not(.task-9-mode-toggle__item--active):hover {
  background: rgba(15, 23, 42, 0.06);
}