.task-detail-scene {
  min-height: 100svh;
}

.task-detail-scene:before,
.task-detail-scene .cursor-light,
.task-detail-scene .task-dot-grid,
.task-detail-scene .task-binary-field {
  position: fixed;
}

.task-detail {
  z-index: 3;
  width: min(1240px, calc(100% - 64px));
  margin: 0 auto;
  padding: 34px 0 100px;
  position: relative;
}

.task-breadcrumb {
  color: var(--page-muted);
  letter-spacing: 0.08em;
  align-items: center;
  gap: 12px;
  font-size: 10px;
  font-weight: 760;
  display: flex;
}

.task-breadcrumb a {
  align-items: center;
  gap: 8px;
  transition: color 0.2s;
  display: inline-flex;
}

.task-breadcrumb a:hover {
  color: var(--page-ink);
}

.task-breadcrumb .signal-arrow.is-left,
.workspace-navigation .signal-arrow.is-left {
  transform: rotate(180deg);
}

.task-breadcrumb .signal-arrow {
  width: 23px;
}

.task-breadcrumb .signal-arrow path,
.task-breadcrumb .signal-arrow circle {
  stroke: currentColor;
  fill: none;
}

.task-breadcrumb > i {
  width: 1px;
  height: 13px;
  background: color-mix(in srgb, var(--page-ink) 20%, transparent);
}

.task-breadcrumb > span {
  color: var(--page-ink);
}

.detail-heading {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 50px;
  margin-top: 42px;
  display: grid;
}

.detail-heading h1 {
  color: var(--page-ink);
  letter-spacing: -0.067em;
  margin-top: 18px;
  font-size: clamp(58px, 6.1vw, 84px);
  font-weight: 790;
  line-height: 0.88;
}

.detail-heading h1 em {
  color: transparent;
  background: linear-gradient(92deg, var(--accent), var(--accent-hi) 54%, var(--signal));
  -webkit-background-clip: text;
  background-clip: text;
  padding-right: 0.08em;
  font-style: normal;
  display: inline-block;
}

.detail-heading > div:first-child > p {
  max-width: 650px;
  margin-top: 25px;
  color: var(--page-muted);
  font-size: 16px;
  line-height: 1.65;
}

.detail-heading-actions {
  align-items: center;
  gap: 9px;
  padding-bottom: 4px;
  display: flex;
}

.detail-heading-actions button,
.detail-heading-actions a {
  border: 1px solid color-mix(in srgb, var(--page-ink) 18%, transparent);
  border-radius: 12px;
  align-items: center;
  gap: 9px;
  height: 44px;
  padding: 0 14px;
  color: var(--page-ink);
  background: color-mix(in srgb, var(--page-a) 58%, transparent);
  cursor: pointer;
  font-size: 11px;
  font-weight: 710;
  transition: transform 0.22s, border-color 0.22s, background 0.22s;
  display: inline-flex;
}

.detail-heading-actions button:hover,
.detail-heading-actions a:hover {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--page-a) 82%, transparent);
  transform: translateY(-2px);
}

.detail-heading-actions svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.training-stepper {
  border-top: 1px solid color-mix(in srgb, var(--page-ink) 16%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--page-ink) 16%, transparent);
  grid-template-columns: repeat(3, 1fr);
  margin-top: 52px;
  padding: 16px 0;
  display: grid;
}

.training-stepper li {
  grid-template-columns: auto auto 1fr;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: var(--page-muted);
  display: grid;
}

.training-stepper li > span {
  border: 1px solid color-mix(in srgb, var(--page-ink) 16%, transparent);
  border-radius: 50%;
  place-items: center;
  width: 30px;
  height: 30px;
  font-family: var(--font-geist-mono), monospace;
  font-size: 8px;
  display: grid;
}

.training-stepper li > strong {
  white-space: nowrap;
  font-size: 10px;
  font-weight: 760;
}

.training-stepper li > i {
  height: 2px;
  margin: 0 18px;
  background: color-mix(in srgb, var(--page-ink) 13%, transparent);
  position: relative;
  overflow: hidden;
}

.training-stepper li > i:after {
  content: "";
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--signal));
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 0.6s cubic-bezier(0.22, 0.8, 0.2, 1);
  position: absolute;
  inset: 0;
}

.training-stepper li.is-active {
  color: var(--page-ink);
}

.training-stepper li.is-active > span {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 20px color-mix(in srgb, var(--accent) 14%, transparent);
}

.training-stepper li.is-active > i:after {
  transform: scaleX(1);
}

.training-stepper li:last-child > i {
  display: none;
}

.training-layout {
  grid-template-columns: 220px minmax(0, 1fr) 210px;
  align-items: start;
  gap: 18px;
  margin-top: 28px;
  display: grid;
}

.line-sidebar,
.task-number-panel {
  border: 1px solid color-mix(in srgb, var(--page-ink) 14%, transparent);
  border-radius: 20px;
  padding: 16px;
  background: color-mix(in srgb, var(--page-a) 54%, transparent);
  backdrop-filter: blur(18px);
  position: sticky;
  top: 18px;
}

.line-sidebar-label {
  color: var(--page-muted);
  letter-spacing: 0.16em;
  padding: 0 5px;
  font-size: 8px;
  font-weight: 820;
  display: block;
}

.line-sidebar > button {
  border-radius: 12px;
  grid-template-columns: 3px 24px 1fr;
  grid-template-rows: auto auto;
  align-items: center;
  column-gap: 9px;
  width: 100%;
  min-height: 64px;
  padding: 10px 8px;
  color: var(--page-muted);
  cursor: pointer;
  text-align: left;
  transition: color 0.22s, background 0.22s, transform 0.22s;
  display: grid;
  position: relative;
}

.line-sidebar > button:hover {
  color: var(--page-ink);
  background: color-mix(in srgb, var(--accent) 7%, transparent);
  transform: translateX(3px);
}

.line-sidebar > button > i {
  grid-row: 1 / 3;
  width: 2px;
  height: 14px;
  background: color-mix(in srgb, var(--page-ink) 18%, transparent);
  border-radius: 99px;
  transition: height 0.24s, background 0.24s, box-shadow 0.24s;
}

.line-sidebar > button:hover > i {
  height: 34px;
  background: var(--signal);
}

.line-sidebar > button.is-active {
  color: var(--page-ink);
  background: color-mix(in srgb, var(--accent) 11%, transparent);
}

.line-sidebar > button.is-active > i {
  height: 40px;
  background: linear-gradient(var(--accent), var(--signal));
  box-shadow: 0 0 12px color-mix(in srgb, var(--signal) 55%, transparent);
}

.line-sidebar > button > span {
  grid-row: 1 / 3;
  color: color-mix(in srgb, var(--page-ink) 46%, transparent);
  font-family: var(--font-geist-mono), monospace;
  font-size: 9px;
  font-weight: 800;
}

.line-sidebar > button > strong {
  align-self: end;
  font-size: 11px;
  font-weight: 720;
}

.line-sidebar > button > small {
  align-self: start;
  color: var(--page-muted);
  font-size: 8px;
}

.sidebar-account {
  border-top: 1px solid color-mix(in srgb, var(--page-ink) 13%, transparent);
  margin-top: 11px;
  padding: 18px 6px 3px;
}

.sidebar-account > span,
.number-panel-note > span {
  color: var(--page-muted);
  letter-spacing: 0.13em;
  font-size: 7px;
  font-weight: 820;
}

.sidebar-account > p {
  margin-top: 8px;
  color: var(--page-muted);
  font-size: 10px;
  line-height: 1.45;
}

.sidebar-account > a {
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  color: var(--accent);
  font-size: 10px;
  font-weight: 750;
  display: inline-flex;
}

.sidebar-account .signal-arrow {
  width: 22px;
}

.sidebar-account .signal-arrow path,
.sidebar-account .signal-arrow circle,
.all-tasks-link .signal-arrow path,
.all-tasks-link .signal-arrow circle,
.workspace-navigation .signal-arrow path,
.workspace-navigation .signal-arrow circle,
.check-answer .signal-arrow path,
.check-answer .signal-arrow circle,
.theory-start .signal-arrow path,
.theory-start .signal-arrow circle {
  stroke: currentColor;
  fill: none;
}

.task-workspace {
  border: 1px solid color-mix(in srgb, var(--panel-ink) 15%, transparent);
  border-radius: 24px;
  min-width: 0;
  padding: 26px;
  color: var(--panel-ink);
  background:
    radial-gradient(circle at 92% 8%, color-mix(in srgb, var(--signal) 13%, transparent), transparent 28%),
    linear-gradient(145deg, var(--panel-a), var(--panel-b));
  box-shadow:
    0 30px 70px color-mix(in srgb, var(--panel-b) 48%, transparent),
    0 0 0 1px color-mix(in srgb, var(--accent) 9%, transparent);
  position: relative;
  overflow: hidden;
}

.pixel-field {
  pointer-events: none;
  grid-template-columns: repeat(8, 1fr);
  opacity: 0;
  position: absolute;
  inset: 0;
  display: grid;
}

.pixel-field i {
  background: var(--accent);
  transform: scale(0);
  animation: pixel-clear 0.65s cubic-bezier(0.22, 0.8, 0.2, 1) both;
}

.pixel-field i:nth-child(3n) { background: var(--signal); }
.pixel-field i:nth-child(4n) { animation-delay: 0.04s; }
.pixel-field i:nth-child(5n) { animation-delay: 0.08s; }
.pixel-field i:nth-child(7n) { animation-delay: 0.12s; }

@keyframes pixel-clear {
  0% { opacity: 0.62; transform: scale(1); }
  72% { opacity: 0.25; }
  100% { opacity: 0; transform: scale(0); }
}

.workspace-topline {
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
  padding-bottom: 22px;
  border-bottom: 1px solid color-mix(in srgb, var(--panel-ink) 12%, transparent);
  display: flex;
}

.workspace-topline > div {
  display: grid;
  gap: 5px;
}

.workspace-topline > div > span,
.question-label,
.answer-feedback > div > span,
.solution-heading span {
  color: var(--panel-dim);
  letter-spacing: 0.15em;
  font-size: 8px;
  font-weight: 820;
}

.workspace-topline > div > strong {
  font-size: 15px;
  font-weight: 720;
}

.difficulty-chip {
  border: 1px solid color-mix(in srgb, var(--signal) 30%, transparent);
  border-radius: 999px;
  padding: 6px 8px;
  color: var(--signal);
  font-size: 8px;
  font-weight: 760;
}

.question-block {
  padding: 28px 0 2px;
  animation: question-in 0.45s cubic-bezier(0.22, 0.8, 0.2, 1) both;
}

@keyframes question-in {
  from { opacity: 0; filter: blur(5px); transform: translateX(18px); }
  to { opacity: 1; filter: blur(0); transform: translateX(0); }
}

.question-block > p {
  max-width: 700px;
  margin-top: 10px;
  color: var(--panel-ink);
  font-size: 17px;
  line-height: 1.6;
}

.query-legend {
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
  display: flex;
}

.query-legend span {
  border: 1px solid color-mix(in srgb, var(--panel-ink) 13%, transparent);
  border-radius: 9px;
  padding: 7px 9px;
  color: var(--panel-muted);
  background: color-mix(in srgb, var(--panel-ink) 3%, transparent);
  font-size: 9px;
}

.query-legend b {
  margin-right: 5px;
  color: var(--signal);
  font-family: var(--font-geist-mono), monospace;
}

.query-table {
  border: 1px solid color-mix(in srgb, var(--panel-ink) 13%, transparent);
  border-radius: 14px;
  margin-top: 18px;
  overflow: hidden;
}

.query-table > div {
  grid-template-columns: minmax(0, 1fr) 100px;
  min-height: 42px;
  display: grid;
}

.query-table > div + div {
  border-top: 1px solid color-mix(in srgb, var(--panel-ink) 10%, transparent);
}

.query-table > div:first-child {
  min-height: 34px;
  color: var(--panel-dim);
  background: color-mix(in srgb, var(--panel-ink) 4%, transparent);
  letter-spacing: 0.12em;
  font-size: 7px;
  font-weight: 800;
}

.query-table span,
.query-table strong {
  align-items: center;
  padding: 0 13px;
  display: flex;
}

.query-table > div > :last-child {
  border-left: 1px solid color-mix(in srgb, var(--panel-ink) 10%, transparent);
  justify-content: flex-end;
  font-family: var(--font-geist-mono), monospace;
}

.query-table strong {
  font-family: var(--font-geist-mono), monospace;
  font-size: 11px;
  font-weight: 650;
}

.query-table > div:not(:first-child) span {
  color: var(--signal);
  font-size: 12px;
  font-weight: 780;
}

.answer-form {
  border-top: 1px solid color-mix(in srgb, var(--panel-ink) 12%, transparent);
  margin-top: 28px;
  padding-top: 22px;
}

.answer-form > label {
  color: var(--panel-muted);
  font-size: 10px;
  font-weight: 720;
}

.answer-row {
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 9px;
  margin-top: 9px;
  display: grid;
}

.answer-input {
  border: 1px solid color-mix(in srgb, var(--panel-ink) 16%, transparent);
  border-radius: 12px;
  align-items: center;
  min-width: 0;
  height: 50px;
  background: color-mix(in srgb, var(--panel-ink) 5%, transparent);
  transition: border-color 0.2s, box-shadow 0.2s;
  display: flex;
}

.answer-input:focus-within {
  border-color: var(--accent-hi);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 13%, transparent);
}

.answer-input.is-correct {
  border-color: var(--signal);
}

.answer-input.is-wrong {
  border-color: var(--accent-hi);
}

.answer-input input {
  outline: none;
  min-width: 0;
  width: 100%;
  padding: 0 15px;
  color: var(--panel-ink);
  font-size: 14px;
}

.answer-input input::placeholder {
  color: var(--panel-dim);
}

.answer-input > span {
  border-left: 1px solid color-mix(in srgb, var(--panel-ink) 12%, transparent);
  padding: 0 14px;
  color: var(--panel-dim);
  font-size: 9px;
}

.check-answer {
  border-radius: 12px;
  align-items: center;
  gap: 12px;
  min-width: 150px;
  padding: 0 16px;
  color: #fff;
  background: linear-gradient(135deg, var(--accent-hi), var(--accent));
  box-shadow: 0 12px 28px color-mix(in srgb, var(--accent) 28%, transparent);
  cursor: pointer;
  font-size: 11px;
  font-weight: 730;
  transition: transform 0.22s, box-shadow 0.22s, opacity 0.22s;
  display: flex;
}

.site-scene[data-theme="poisoned"] .check-answer,
.site-scene[data-theme="flayed"] .check-answer {
  color: #10150e;
}

.check-answer:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 17px 34px color-mix(in srgb, var(--accent) 40%, transparent);
}

.check-answer:disabled {
  opacity: 0.38;
  cursor: not-allowed;
}

.check-answer .signal-arrow {
  width: 23px;
}

.answer-feedback {
  border: 1px solid color-mix(in srgb, var(--signal) 28%, transparent);
  border-radius: 16px;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 20px;
  margin-top: 16px;
  padding: 18px;
  background: color-mix(in srgb, var(--signal) 8%, transparent);
  position: relative;
  overflow: hidden;
}

.answer-feedback.is-wrong {
  border-color: color-mix(in srgb, var(--accent-hi) 35%, transparent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.answer-feedback > div {
  position: relative;
}

.answer-feedback h2 {
  margin-top: 5px;
  font-size: 17px;
  font-weight: 740;
}

.answer-feedback p {
  margin-top: 5px;
  color: var(--panel-muted);
  font-size: 11px;
  line-height: 1.5;
}

.answer-feedback > button {
  border: 1px solid color-mix(in srgb, var(--panel-ink) 18%, transparent);
  border-radius: 10px;
  padding: 10px 12px;
  color: var(--panel-ink);
  cursor: pointer;
  font-size: 10px;
  font-weight: 700;
}

.solution-panel {
  border: 1px solid color-mix(in srgb, var(--panel-ink) 13%, transparent);
  border-radius: 17px;
  margin-top: 16px;
  padding: 20px;
  background: color-mix(in srgb, var(--panel-ink) 4%, transparent);
  animation: solution-in 0.4s cubic-bezier(0.22, 0.8, 0.2, 1) both;
}

@keyframes solution-in {
  from { opacity: 0; transform: translateY(12px); }
}

.solution-heading {
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  display: flex;
}

.solution-heading h2 {
  margin-top: 4px;
  font-size: 17px;
  font-weight: 720;
}

.solution-heading button,
.theory-drawer-top > button {
  border: 1px solid color-mix(in srgb, currentColor 18%, transparent);
  border-radius: 9px;
  place-items: center;
  width: 32px;
  height: 32px;
  color: var(--panel-muted);
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
  display: grid;
}

.solution-panel ol {
  gap: 0;
  margin-top: 15px;
  display: grid;
}

.solution-panel li {
  grid-template-columns: 32px 1fr;
  gap: 11px;
  padding: 10px 0;
  display: grid;
}

.solution-panel li + li {
  border-top: 1px solid color-mix(in srgb, var(--panel-ink) 9%, transparent);
}

.solution-panel li > span {
  border: 1px solid color-mix(in srgb, var(--signal) 28%, transparent);
  border-radius: 50%;
  place-items: center;
  width: 26px;
  height: 26px;
  color: var(--signal);
  font-family: var(--font-geist-mono), monospace;
  font-size: 8px;
  display: grid;
}

.solution-panel li > p {
  color: var(--panel-muted);
  font-size: 12px;
  line-height: 1.55;
}

.workspace-navigation {
  border-top: 1px solid color-mix(in srgb, var(--panel-ink) 11%, transparent);
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
  margin-top: 25px;
  padding-top: 20px;
  display: grid;
}

.workspace-navigation button {
  align-items: center;
  gap: 8px;
  color: var(--panel-muted);
  cursor: pointer;
  font-size: 9px;
  font-weight: 700;
  transition: color 0.2s;
  display: flex;
}

.workspace-navigation button:last-child {
  justify-self: end;
}

.workspace-navigation button:hover:not(:disabled) {
  color: var(--panel-ink);
}

.workspace-navigation button:disabled {
  opacity: 0.25;
  cursor: not-allowed;
}

.workspace-navigation > span {
  color: var(--panel-dim);
  font-family: var(--font-geist-mono), monospace;
  font-size: 9px;
}

.workspace-navigation .signal-arrow {
  width: 22px;
}

.number-grid {
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin-top: 15px;
  display: grid;
}

.number-grid a,
.number-grid > span {
  border: 1px solid color-mix(in srgb, var(--page-ink) 13%, transparent);
  border-radius: 9px;
  place-items: center;
  aspect-ratio: 1;
  color: var(--page-muted);
  font-family: var(--font-geist-mono), monospace;
  font-size: 9px;
  font-weight: 760;
  transition: border-color 0.2s, color 0.2s, background 0.2s, transform 0.2s;
  display: grid;
}

.number-grid a:hover {
  border-color: var(--accent);
  color: var(--page-ink);
  transform: translateY(-2px);
}

.number-grid > span.is-current {
  border-color: var(--accent);
  color: var(--page-ink);
  background: color-mix(in srgb, var(--accent) 13%, transparent);
  box-shadow: 0 0 18px color-mix(in srgb, var(--accent) 14%, transparent);
}

.number-panel-note {
  border-top: 1px solid color-mix(in srgb, var(--page-ink) 13%, transparent);
  margin-top: 18px;
  padding: 18px 5px 0;
}

.number-panel-note strong {
  margin-top: 7px;
  font-size: 12px;
  display: block;
}

.number-panel-note p {
  margin-top: 6px;
  color: var(--page-muted);
  font-size: 9px;
  line-height: 1.45;
}

.all-tasks-link {
  border: 1px solid color-mix(in srgb, var(--page-ink) 16%, transparent);
  border-radius: 10px;
  justify-content: space-between;
  align-items: center;
  margin-top: 16px;
  padding: 11px;
  color: var(--page-ink);
  font-size: 9px;
  font-weight: 720;
  display: flex;
}

.all-tasks-link .signal-arrow {
  width: 22px;
  color: var(--accent);
}

.theory-drawer {
  z-index: 60;
  pointer-events: none;
  visibility: hidden;
  position: fixed;
  inset: 0;
}

.theory-drawer.is-open {
  pointer-events: auto;
  visibility: visible;
}

.theory-backdrop {
  opacity: 0;
  background: #020508b8;
  cursor: default;
  backdrop-filter: blur(8px);
  transition: opacity 0.32s;
  position: absolute;
  inset: 0;
}

.theory-drawer.is-open .theory-backdrop {
  opacity: 1;
}

.theory-drawer > aside {
  width: min(510px, calc(100% - 18px));
  height: 100%;
  padding: 32px;
  color: var(--panel-ink);
  background:
    radial-gradient(circle at 90% 4%, color-mix(in srgb, var(--signal) 14%, transparent), transparent 26%),
    linear-gradient(145deg, var(--panel-a), var(--panel-b));
  box-shadow: -30px 0 80px #00000059;
  transform: translateX(104%);
  transition: transform 0.42s cubic-bezier(0.22, 0.8, 0.2, 1);
  position: absolute;
  top: 0;
  right: 0;
  overflow-y: auto;
}

.theory-drawer.is-open > aside {
  transform: translateX(0);
}

.theory-drawer-top {
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  display: flex;
}

.theory-drawer-top span {
  color: var(--panel-dim);
  letter-spacing: 0.15em;
  font-size: 8px;
  font-weight: 820;
}

.theory-drawer-top h2 {
  max-width: 370px;
  margin-top: 8px;
  font-size: 30px;
  font-weight: 760;
  line-height: 1.05;
}

.theory-drawer > aside > p {
  margin-top: 24px;
  color: var(--panel-muted);
  font-size: 13px;
  line-height: 1.6;
}

.theory-formulas {
  gap: 10px;
  margin-top: 24px;
  display: grid;
}

.theory-formulas > div {
  border: 1px solid color-mix(in srgb, var(--panel-ink) 13%, transparent);
  border-radius: 15px;
  padding: 18px;
  background: color-mix(in srgb, var(--panel-ink) 4%, transparent);
}

.theory-formulas span {
  color: var(--panel-dim);
  letter-spacing: 0.13em;
  font-size: 7px;
  font-weight: 820;
}

.theory-formulas strong {
  margin-top: 8px;
  color: var(--signal);
  font-family: var(--font-geist-mono), monospace;
  font-size: 15px;
  display: block;
}

.theory-formulas p {
  margin-top: 8px;
  color: var(--panel-muted);
  font-size: 11px;
  line-height: 1.55;
}

.theory-start {
  border-radius: 12px;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  margin-top: 25px;
  padding: 14px 16px;
  color: #fff;
  background: linear-gradient(135deg, var(--accent-hi), var(--accent));
  cursor: pointer;
  font-size: 11px;
  font-weight: 730;
  display: flex;
}

.site-scene[data-theme="poisoned"] .theory-start,
.site-scene[data-theme="flayed"] .theory-start {
  color: #10150e;
}

.theory-start .signal-arrow {
  width: 24px;
}

@media (width <= 1180px) {
  .task-detail {
    width: calc(100% - 40px);
  }

  .training-layout {
    grid-template-columns: 190px minmax(0, 1fr);
  }

  .task-number-panel {
    grid-column: 1 / -1;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 22px;
    position: static;
    display: grid;
  }

  .task-number-panel > .line-sidebar-label {
    display: none;
  }

  .number-grid {
    grid-template-columns: repeat(16, minmax(34px, 1fr));
    margin: 0;
  }

  .number-grid a,
  .number-grid > span {
    aspect-ratio: auto;
    height: 36px;
  }

  .number-panel-note {
    display: none;
  }

  .all-tasks-link {
    white-space: nowrap;
    margin: 0;
  }
}

@media (width <= 900px) {
  .detail-heading {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .detail-heading h1 {
    font-size: clamp(56px, 11vw, 80px);
  }

  .training-layout {
    grid-template-columns: 1fr;
  }

  .line-sidebar {
    z-index: 4;
    top: 8px;
    padding: 9px;
    display: flex;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .line-sidebar::-webkit-scrollbar {
    display: none;
  }

  .line-sidebar > .line-sidebar-label,
  .sidebar-account {
    display: none;
  }

  .line-sidebar > button {
    flex: 0 0 170px;
  }

  .task-number-panel {
    grid-template-columns: 1fr;
  }

  .number-grid {
    grid-template-columns: repeat(8, 1fr);
  }

  .all-tasks-link {
    justify-content: center;
    gap: 12px;
  }
}

@media (width <= 680px) {
  .task-detail {
    width: calc(100% - 28px);
    padding: 25px 0 68px;
  }

  .task-breadcrumb {
    font-size: 9px;
  }

  .detail-heading {
    margin-top: 32px;
  }

  .detail-heading h1 {
    font-size: clamp(46px, 14.5vw, 64px);
  }

  .detail-heading > div:first-child > p {
    font-size: 14px;
  }

  .detail-heading-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .detail-heading-actions button,
  .detail-heading-actions a {
    justify-content: center;
  }

  .training-stepper {
    margin-top: 38px;
  }

  .training-stepper li {
    grid-template-columns: auto 1fr;
  }

  .training-stepper li > strong {
    font-size: 8px;
  }

  .training-stepper li > i {
    grid-column: 1 / -1;
    width: calc(100% - 16px);
    margin: 6px 8px 0;
  }

  .line-sidebar {
    margin-right: -14px;
  }

  .line-sidebar > button {
    flex-basis: 156px;
  }

  .task-workspace {
    border-radius: 20px;
    padding: 18px;
  }

  .question-block {
    padding-top: 23px;
  }

  .question-block > p {
    font-size: 15px;
  }

  .query-table > div {
    grid-template-columns: minmax(0, 1fr) 78px;
  }

  .query-table strong {
    font-size: 10px;
  }

  .answer-row {
    grid-template-columns: 1fr;
  }

  .check-answer {
    justify-content: center;
    min-height: 48px;
  }

  .answer-feedback {
    grid-template-columns: 1fr;
  }

  .answer-feedback > button {
    justify-self: start;
  }

  .workspace-navigation button {
    font-size: 0;
  }

  .workspace-navigation button .signal-arrow {
    width: 26px;
  }

  .number-grid {
    grid-template-columns: repeat(8, 1fr);
  }

  .theory-drawer > aside {
    padding: 24px 20px;
  }

  .theory-drawer-top h2 {
    font-size: 27px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pixel-field {
    display: none;
  }
}

/* ============================================================
   Number intro + training workspace
   Defeats prod-parity gradient titles and shared white shells.
   ============================================================ */

.task-training-scene {
  --work-ink: #102736;
  --work-ink-soft: #193344;
  --work-muted: #435769;
  --work-surface: #fbfdfe;
  --work-surface-soft: #f6f9fb;
  --work-border: color-mix(in srgb, var(--accent) 28%, #c9d7e0);
  --work-shadow: 0 16px 40px color-mix(in srgb, #173d50 10%, transparent);
  --tab-accent-light: color-mix(in srgb, var(--signal) 62%, var(--accent-hi));
  --tab-accent-soft: color-mix(in srgb, var(--accent-hi) 68%, var(--accent));
  --tab-accent: var(--accent);
  --tab-accent-dark: color-mix(in srgb, var(--accent) 66%, #0a1a28);
  --tab-wing: color-mix(in srgb, var(--accent) 72%, #061018);
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  isolation: isolate;
}

.site-scene[data-theme="classic"] .task-training-scene {
  --tab-accent-light: color-mix(in srgb, var(--signal) 55%, #64a7ff);
  --tab-accent-soft: #3d8ef0;
  --tab-accent: #1769e0;
  --tab-accent-dark: #1258bc;
  --tab-wing: #0d3f8a;
}

.site-scene[data-theme="poisoned"] .task-training-scene {
  --tab-accent-light: #e3a2ff;
  --tab-accent-soft: #c97cff;
  --tab-accent: #b760ff;
  --tab-accent-dark: #8a3fd4;
  --tab-wing: #5c2498;
}

.site-scene[data-theme="immolated"] .task-training-scene {
  --tab-accent-light: #ffb51c;
  --tab-accent-soft: #ff7a24;
  --tab-accent: #ff3d1f;
  --tab-accent-dark: #d12814;
  --tab-wing: #8f160c;
}

.site-scene[data-theme="flayed"] .task-training-scene {
  --tab-accent-light: #d2ff58;
  --tab-accent-soft: #a8f04a;
  --tab-accent: #83e64a;
  --tab-accent-dark: #4fad2e;
  --tab-wing: #2f6e1c;
}

.task-training-scene .task-binary-field {
  position: fixed;
  z-index: 0;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  opacity: 0.045;
  white-space: nowrap;
}

.task-training-scene .task-binary-field span {
  position: absolute;
  left: -8vw;
  width: 116vw;
  color: var(--accent);
  font-size: 11px;
  line-height: 1;
  white-space: nowrap;
}

.task-training-scene .task-binary-field span:nth-child(1) { top: 22%; }
.task-training-scene .task-binary-field span:nth-child(2) { top: 46%; }
.task-training-scene .task-binary-field span:nth-child(3) { top: 71%; }
.task-training-scene .task-binary-field span:nth-child(4) { top: 88%; }
.task-training-scene .task-binary-field span:nth-child(n + 5) { display: none; }

.task-training-scene .site-header,
.task-training-scene .task-training-page {
  position: relative;
  z-index: 3;
}

.task-training-scene .task-training-page {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  padding: 34px 0 88px;
}

.task-training-page a:focus-visible,
.training-page button:focus-visible {
  outline: 2px solid var(--accent-hi);
  outline-offset: 3px;
}

/* ---------- Shared catalog-like number tab ---------- */

.number-intro-page .task-brand-tab,
.training-page .task-number-chip {
  position: relative;
  z-index: 3;
  display: grid;
  place-items: center;
  overflow: visible;
  color: #fff !important;
  -webkit-text-fill-color: #fff !important;
  background: linear-gradient(
    180deg,
    var(--tab-accent-light) 0%,
    var(--tab-accent-soft) 22%,
    var(--tab-accent) 58%,
    var(--tab-accent-dark) 100%
  ) !important;
  border-radius: 0;
  box-shadow: none;
  filter: drop-shadow(0 7px 11px rgb(4 28 42 / 12%));
  font-family: var(--font-geist-mono), monospace;
  font-weight: 850;
  font-variant-numeric: tabular-nums;
  clip-path: polygon(
    6% 0,
    94% 0,
    100% 17%,
    93% 58%,
    87% 79%,
    77% 95%,
    23% 95%,
    13% 79%,
    7% 58%,
    0 17%
  );
}

.number-intro-page .task-brand-tab::before,
.training-page .task-number-chip::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 0;
  right: -5%;
  left: -5%;
  height: 18px;
  border-radius: 8px 8px 0 0;
  background: linear-gradient(180deg, var(--tab-accent-light), var(--tab-accent) 78%);
  pointer-events: none;
}

.number-intro-page .task-brand-tab::after,
.training-page .task-number-chip::after {
  content: "";
  position: absolute;
  z-index: -2;
  top: 12px;
  left: -8%;
  width: 116%;
  height: 14px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--tab-wing) 94%, #061018), var(--tab-wing));
  clip-path: polygon(0 100%, 12% 0, 24% 100%, 76% 100%, 88% 0, 100% 100%);
  pointer-events: none;
}

.number-intro-page .task-brand-tab {
  position: absolute;
  top: -18px;
  left: 36px;
  width: 196px;
  height: 68px;
  margin: 0;
  font-size: 34px;
}

.training-page .task-number-chip {
  position: absolute;
  top: -14px;
  left: 28px;
  width: 160px;
  height: 56px;
  margin: 0;
  font-size: 27px;
}

/* ---------- Intro page ---------- */

.number-intro-page .back-btn {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-bottom: 28px;
  padding: 0 15px;
  color: #294555 !important;
  -webkit-text-fill-color: #294555 !important;
  border: 1px solid color-mix(in srgb, #102736 16%, transparent);
  border-radius: 12px;
  background: #f8fbfd;
  font-size: 12px;
  font-weight: 720;
  text-decoration: none;
}

.number-intro-page .number-intro-card {
  position: relative;
  display: block;
  width: 100%;
  min-height: 0;
  margin-top: 34px;
  padding: 42px 40px 34px;
  color: var(--work-ink);
  border: 1px solid var(--work-border);
  border-radius: 28px;
  background:
    radial-gradient(circle at 90% 0%, color-mix(in srgb, var(--signal) 12%, transparent), transparent 34%),
    var(--work-surface);
  box-shadow: var(--work-shadow);
  overflow: visible;
}

.number-intro-page .number-intro-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px 36px;
  align-items: center;
}

.number-intro-page .number-intro-copy {
  min-width: 0;
  max-width: 720px;
}

.number-intro-page .number-intro-card .page-title {
  max-width: none;
  margin: 0;
  padding: 0;
  color: #102736 !important;
  opacity: 1 !important;
  background: none !important;
  background-image: none !important;
  -webkit-background-clip: border-box !important;
  background-clip: border-box !important;
  -webkit-text-fill-color: #102736 !important;
  text-shadow: none !important;
  mix-blend-mode: normal !important;
  font-size: clamp(44px, 3.4vw, 50px) !important;
  font-weight: 800 !important;
  line-height: 1.08 !important;
  letter-spacing: -0.04em;
}

.number-intro-page .training-start-text {
  max-width: 640px;
  margin: 14px 0 0;
  color: var(--work-muted);
  font-size: 16px;
  line-height: 1.62;
}

.number-intro-page .number-intro-cta {
  display: flex;
  align-items: center;
  justify-content: center;
}

.number-intro-page .training-start-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 268px;
  min-height: 56px;
  margin: 0;
  padding: 0 20px;
  color: #fff !important;
  -webkit-text-fill-color: #fff !important;
  border: 0;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--tab-accent-light), var(--tab-accent)) !important;
  box-shadow: 0 12px 24px color-mix(in srgb, var(--accent) 22%, transparent);
  font-size: 16px;
  font-weight: 800;
  text-decoration: none;
}

.site-scene[data-theme="poisoned"] .number-intro-page .training-start-btn,
.site-scene[data-theme="flayed"] .number-intro-page .training-start-btn {
  color: #10150e !important;
  -webkit-text-fill-color: #10150e !important;
}

.number-intro-page .seo-info-section {
  margin-top: 32px;
}

.number-intro-page .seo-info-card {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 32px 34px;
  color: #405365;
  border: 1px solid #d9e4e9;
  border-radius: 26px;
  background: #fbfdfe;
  box-shadow: 0 14px 32px color-mix(in srgb, #183d50 8%, transparent);
}

.number-intro-page .seo-info-card h2 {
  margin: 0;
  color: #132a39;
  font-size: clamp(28px, 2.4vw, 32px);
  font-weight: 780;
  line-height: 1.15;
}

.number-intro-page .seo-info-card p {
  margin: 14px 0 0;
  color: #405365;
  font-size: 15px;
  line-height: 1.67;
}


/* ---------- Number task bank (clickable cards, no spotlight) ---------- */

.number-intro-page .number-task-bank {
  margin-top: 28px;
  padding: 28px 30px;
  border: 1px solid color-mix(in srgb, var(--accent, #3d8bfd) 16%, #d8e4ea);
  border-radius: 28px;
  background: var(--work-surface, #fbfdfe);
  box-shadow: 0 14px 34px color-mix(in srgb, #173d50 8%, transparent);
}

.number-intro-page .number-task-bank-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px 24px;
  margin-bottom: 18px;
}

.number-intro-page .number-task-bank-kicker {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--accent, #3d8bfd);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.number-intro-page .number-task-bank h2 {
  margin: 0;
  color: var(--work-ink, #102736) !important;
  -webkit-text-fill-color: var(--work-ink, #102736) !important;
  background: none !important;
  font-size: clamp(26px, 2.4vw, 32px);
  font-weight: 820;
  line-height: 1.15;
}

.number-intro-page .number-task-bank-head p {
  margin: 8px 0 0;
  max-width: 52ch;
  color: #405365;
  font-size: 15px;
  line-height: 1.5;
}

.number-intro-page .number-task-bank-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.number-intro-page .number-task-stat-chip {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 12px;
  color: #385061;
  border: 1px solid color-mix(in srgb, var(--accent, #3d8bfd) 18%, #d8e4ea);
  border-radius: 999px;
  background: #fff;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.number-intro-page .number-task-stat-chip strong {
  margin-left: 4px;
  color: var(--work-ink, #102736);
  font-weight: 820;
}

.number-intro-page .number-task-bank-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.number-intro-page .number-task-filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.number-intro-page .number-task-bank-filters button {
  min-height: 42px;
  padding: 0 14px;
  color: var(--work-ink, #102736);
  border: 1px solid color-mix(in srgb, var(--accent, #3d8bfd) 18%, #d0dde5);
  border-radius: 14px;
  background: #fff;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.number-intro-page .number-task-bank-filters button.is-active {
  color: #fff;
  border-color: color-mix(in srgb, var(--accent, #3d8bfd) 55%, #1f5fbf);
  background: linear-gradient(
    135deg,
    var(--accent, #3d8bfd),
    var(--accent-hi, #5aa7ff)
  );
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent, #3d8bfd) 22%, transparent);
}

.number-intro-page .number-task-bank-filters .number-task-filter-toggle.is-on {
  color: var(--accent, #3d8bfd);
  border-color: color-mix(in srgb, var(--accent, #3d8bfd) 42%, #b7cfe8);
  background: color-mix(in srgb, var(--accent, #3d8bfd) 10%, #fff);
  box-shadow: none;
}

.number-intro-page .number-task-bank-filters button:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent, #3d8bfd) 70%, #fff);
  outline-offset: 2px;
}

.number-intro-page .number-task-bank-empty {
  margin: 8px 0 0;
  color: #405365;
}

.number-intro-page .number-task-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

@keyframes number-task-card-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.number-intro-page a.number-task-card {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 12px;
  min-height: 188px;
  padding: 18px 16px 16px;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid color-mix(in srgb, var(--accent, #3d8bfd) 16%, #d8e4ea);
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 10px 24px color-mix(in srgb, #173d50 6%, transparent);
  transition:
    transform 200ms ease,
    box-shadow 200ms ease,
    border-color 200ms ease;
  animation: number-task-card-in 280ms ease both;
  animation-delay: calc(var(--stagger, 0) * 28ms);
}

.number-intro-page a.number-task-card:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent, #3d8bfd) 72%, #fff);
  outline-offset: 3px;
}

@media (hover: hover) and (pointer: fine) {
  .number-intro-page a.number-task-card:hover {
    transform: translateY(-3px);
    border-color: color-mix(in srgb, var(--accent, #3d8bfd) 34%, #c5d6e2);
    box-shadow: 0 16px 34px color-mix(in srgb, #173d50 10%, transparent);
  }

  .number-intro-page a.number-task-card:hover .number-task-arrow {
    transform: translateX(3px);
  }
}

.number-intro-page .number-task-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.number-intro-page .number-task-id {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 11px;
  color: color-mix(in srgb, var(--accent, #3d8bfd) 82%, #0b1c2a);
  border: 1px solid color-mix(in srgb, var(--accent, #3d8bfd) 36%, #c5d4de);
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent, #3d8bfd) 12%, #fff);
  font-size: 13px;
  font-weight: 850;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.number-intro-page .number-task-index {
  color: #6a7d8b;
  font-size: 12px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.number-intro-page .number-task-card-title,
.number-intro-page a.number-task-card h3 {
  margin: 0;
  color: var(--work-ink, #102736) !important;
  -webkit-text-fill-color: var(--work-ink, #102736) !important;
  background: none !important;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.28;
  text-wrap: balance;
}

.number-intro-page .number-task-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: #4a5d6b;
  font-size: 13px;
  line-height: 1.4;
}

.number-intro-page .number-task-topic {
  color: #4a5d6b;
}

.number-intro-page .number-task-difficulty {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 9px;
  color: #385061;
  border: 1px solid color-mix(in srgb, var(--accent, #3d8bfd) 14%, #d5e1e8);
  border-radius: 999px;
  background: #f7fafc;
  font-size: 12px;
  font-weight: 720;
}

.number-intro-page .number-task-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 36px;
  margin-top: auto;
}

.number-intro-page .number-task-solved {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  color: #0d6b4d;
  border-radius: 999px;
  background: #e8f8f0;
  font-size: 12px;
  font-weight: 780;
}

.number-intro-page .number-task-open-label {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  color: #5a6d7c;
  border-radius: 999px;
  background: #eef3f6;
  font-size: 12px;
  font-weight: 700;
}

.number-intro-page .number-task-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  color: var(--accent, #3d8bfd);
  border: 1px solid color-mix(in srgb, var(--accent, #3d8bfd) 22%, #d5e1e8);
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent, #3d8bfd) 7%, #fff);
  transition: transform 200ms ease;
}

.number-intro-page .number-task-arrow svg {
  display: block;
}

@media (prefers-reduced-motion: reduce) {
  .number-intro-page a.number-task-card {
    animation: none;
    transition: none;
    transform: none;
  }

  .number-intro-page a.number-task-card:hover {
    transform: none;
  }

  .number-intro-page a.number-task-card:hover .number-task-arrow {
    transform: none;
  }
}

@media (width <= 1100px) {
  .number-intro-page .number-task-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (width <= 900px) {
  .number-intro-page .number-task-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- Training page ---------- */

.training-page > div > .page-title {
  display: none;
}

.training-page .training-single-info,
.training-page .training-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 18px;
  width: 100%;
  min-height: 64px;
  margin: 8px 0 22px;
  padding: 14px 18px;
  color: #385061;
  border: 1px solid color-mix(in srgb, var(--accent) 18%, #d8e5ea);
  border-radius: 20px;
  background: color-mix(in srgb, var(--work-surface) 92%, white);
  text-align: left;
  font-size: 14px;
  line-height: 1.5;
  box-shadow: 0 8px 22px color-mix(in srgb, #173d50 6%, transparent);
}

.training-page .training-toolbar > p {
  margin: 0;
  max-width: 52ch;
}

.training-page .training-session-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.training-page .training-stat-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 36px;
  padding: 0 12px;
  color: var(--work-ink);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, #d5e1e8);
  border-radius: 999px;
  background: #fff;
  font-size: 12px;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

.training-page .training-stat-chip strong {
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.training-page .training-wrapper,
.training-page .training-task {
  width: 100%;
  max-width: none !important;
}

.training-page .training-task.hidden {
  display: none;
}

.training-page .task-main-card {
  display: block !important;
  width: 100% !important;
  max-width: none !important;
  min-height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  overflow: visible !important;
  color: var(--work-ink) !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  background-image: none !important;
  box-shadow: none !important;
}

.training-page .task-main-card::before,
.training-page .task-main-card::after {
  content: none !important;
  display: none !important;
}

.training-page .training-condition .task-question::before,
.training-page .training-condition .task-question::after {
  content: none !important;
  display: none !important;
}

.training-page .training-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(310px, 340px);
  gap: 26px;
  align-items: start;
  min-height: 0;
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.training-page .training-condition {
  position: relative;
  width: 100%;
  min-width: 0;
  min-height: 0;
  margin-top: 14px;
  padding: 36px 32px 30px;
  border: 1px solid var(--work-border);
  border-radius: 26px;
  background: var(--work-surface);
  box-shadow: var(--work-shadow);
  overflow: visible;
}

.training-page .training-condition h2 {
  margin: 8px 0 24px;
  color: var(--work-ink) !important;
  -webkit-text-fill-color: var(--work-ink) !important;
  background: none !important;
  font-size: clamp(30px, 2.6vw, 34px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.training-page .training-condition-body {
  padding: 24px;
  border: 1px solid #dde6ec;
  border-radius: 18px;
  background: var(--work-surface-soft);
  box-shadow: none;
}

.training-page .training-condition-label,
.training-page .training-answer-label {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  margin-bottom: 12px;
  padding: 0 10px;
  color: #4d6170;
  border: 1px solid #d5e0e7;
  border-radius: 999px;
  background: #fff;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 11px;
  font-weight: 750;
}

.training-page .training-condition .task-question,
.training-page .training-condition .programs-table {
  max-width: none !important;
  margin: 0 !important;
  padding: 0 !important;
  color: var(--work-ink-soft) !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  font-size: 17px !important;
  line-height: 1.7 !important;
}

.training-page .training-condition .task-question + .programs-table,
.training-page .training-condition .programs-table + .task-question,
.training-page .training-condition .task-question + .task-question {
  margin-top: 18px !important;
}

.training-page .training-condition .task-question *,
.training-page .training-condition .programs-table * {
  color: var(--work-ink-soft) !important;
}

.training-page .training-condition .task-question p + p {
  margin-top: 0.9em;
}

.training-page .training-condition .task-question img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 18px auto;
  border: 1px solid rgba(20, 107, 131, 0.18);
  border-radius: 16px;
  object-fit: contain;
}

.training-page .training-condition .task-question img[data-unavailable="true"] {
  display: none;
}

.training-page .training-attachments {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.training-page .training-attachment-link {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  min-height: 48px;
  padding: 10px 14px;
  color: var(--work-ink) !important;
  text-decoration: none;
  border: 1px solid rgba(20, 107, 131, 0.28);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.7);
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.training-page .training-attachment-link:hover {
  border-color: var(--task-accent);
  background: rgba(229, 251, 253, 0.86);
  transform: translateY(-1px);
}

.training-page .training-attachment-link:focus-visible {
  outline: 2px solid var(--task-accent);
  outline-offset: 2px;
}

.training-page .training-attachment-icon {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  color: #fff;
  border-radius: 9px;
  background: var(--task-accent);
  font-size: 18px;
  font-weight: 800;
}

.training-page .training-attachment-copy {
  display: grid;
  min-width: 0;
  gap: 1px;
  font-size: 12px;
  line-height: 1.3;
}

.training-page .training-attachment-copy strong {
  overflow: hidden;
  color: var(--work-ink) !important;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 14px;
}

.training-page .training-unavailable-asset {
  display: grid;
  gap: 3px;
  margin: 16px 0;
  padding: 13px 15px;
  color: #704425;
  border: 1px solid rgba(194, 119, 55, 0.36);
  border-radius: 14px;
  background: #fff7ee;
  font-size: 14px;
  line-height: 1.4;
}

.training-page .training-unavailable-asset * {
  color: inherit !important;
}

.training-page .training-condition .programs-table {
  overflow-x: auto;
}

.training-page .training-answer-panel {
  position: sticky;
  top: calc(82px + 24px);
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  min-height: 0;
  height: auto;
  padding: 24px;
  border: 1px solid var(--work-border);
  border-radius: 24px;
  background: var(--work-surface);
  box-shadow: var(--work-shadow);
}

.training-page .training-answer-label {
  margin-bottom: 0;
}

.training-page .exam-answer-input,
.training-page .training-task .exam-answer-input {
  width: 100% !important;
  max-width: none !important;
  height: 56px;
  min-height: 56px;
  margin: 0 !important;
  padding: 0 16px !important;
  color: var(--work-ink) !important;
  -webkit-text-fill-color: var(--work-ink) !important;
  border: 1.5px solid #b7c8d3 !important;
  border-radius: 17px !important;
  background: #f3f7fa !important;
  font-size: 17px !important;
  box-shadow: inset 0 1px 0 rgb(255 255 255 / 70%);
}

.training-page .exam-answer-input::placeholder {
  color: #7a8f9d;
  opacity: 1;
}

.training-page .exam-answer-input:focus {
  outline: 3px solid color-mix(in srgb, var(--accent) 28%, transparent);
  outline-offset: 2px;
  border-color: color-mix(in srgb, var(--accent) 55%, #9bb0bd) !important;
  background: #fff !important;
}

.training-page .training-check-actions,
.training-page .training-after-check-actions,
.training-page .training-precheck-actions {
  display: grid;
  gap: 10px;
  margin: 0;
}

.training-page .exam-actions.hidden {
  display: none;
}

.training-page .exam-actions button,
.training-page .training-repeat-btn,
.training-page .training-next-btn-primary {
  width: 100%;
  min-height: 56px;
  padding: 0 18px;
  color: #fff !important;
  -webkit-text-fill-color: #fff !important;
  border: 0;
  border-radius: 17px;
  background: linear-gradient(135deg, var(--tab-accent-light), var(--tab-accent)) !important;
  cursor: pointer;
  font-size: 15px;
  font-weight: 800;
}

.site-scene[data-theme="poisoned"] .training-page .exam-actions button,
.site-scene[data-theme="flayed"] .training-page .exam-actions button,
.site-scene[data-theme="poisoned"] .training-page .training-repeat-btn,
.site-scene[data-theme="flayed"] .training-page .training-repeat-btn,
.site-scene[data-theme="poisoned"] .training-page .training-next-btn-primary,
.site-scene[data-theme="flayed"] .training-page .training-next-btn-primary {
  color: #10150e !important;
  -webkit-text-fill-color: #10150e !important;
}

.training-page .training-next-btn-secondary,
.training-page .training-solution-toggle,
.training-page .training-finish-btn,
.training-page .exam-actions .training-next-btn-secondary,
.training-page .exam-actions .training-solution-toggle,
.training-page .exam-actions .training-finish-btn,
.training-page .training-back-btn {
  width: 100%;
  min-height: 48px;
  padding: 0 16px;
  color: var(--work-ink) !important;
  -webkit-text-fill-color: var(--work-ink) !important;
  border: 1px solid color-mix(in srgb, var(--work-ink) 18%, transparent) !important;
  border-radius: 15px;
  background: #fff !important;
  cursor: pointer;
  font-size: 14px;
  font-weight: 750;
}

.training-page .training-solution-toggle {
  min-height: 48px;
}

.training-page .training-result {
  display: grid;
  gap: 6px;
  min-height: 0;
  margin: 0;
  padding: 14px 16px;
  border-radius: 18px;
  font-weight: 720;
}

.training-page .training-result:empty {
  display: none;
  margin: 0;
  padding: 0;
}

.training-page .training-result-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
}

.training-page .training-result-title span {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: color-mix(in srgb, currentColor 14%, transparent);
  font-size: 13px;
  font-weight: 850;
}

.training-page .training-result-message {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.45;
}

.training-page .training-result-correct {
  color: #146c43;
  border: 1px solid #8ed5ab;
  background: #e6f6ed;
}

.training-page .training-result-wrong {
  color: #a22b2b;
  border: 1px solid #f0a19b;
  background: #fff0ef;
}

.training-page .training-solution-panel,
.training-page .training-explanation,
.training-page .explanation {
  grid-column: 1 / -1;
  width: 100%;
  margin-top: 4px;
  padding: 32px;
  color: var(--work-ink);
  border: 1px solid var(--work-border);
  border-radius: 26px;
  background: var(--work-surface);
  box-shadow: var(--work-shadow);
}

.training-page .training-solution-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.training-page .training-solution-marker {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--tab-accent-light), var(--tab-accent));
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 14%, transparent);
}

.training-page .training-solution-head h3 {
  margin: 0;
  color: var(--work-ink);
  font-size: clamp(26px, 2.4vw, 30px);
  font-weight: 800;
  line-height: 1.15;
}

.training-page .training-solution-body {
  color: var(--work-ink-soft);
  font-size: 17px;
  line-height: 1.7;
}

.training-page .training-solution-body p + p {
  margin-top: 0.9em;
}

.training-page .training-solution-body img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 16px auto;
  border-radius: 14px;
}

.training-page .training-solution-body table,
.training-page .training-solution-body pre {
  display: block;
  max-width: 100%;
  overflow-x: auto;
}

.training-page .training-finish-confirm {
  max-width: 640px;
  margin: 28px auto 0;
  padding: 28px;
  color: var(--work-ink);
  border: 1px solid var(--work-border);
  border-radius: 24px;
  background: var(--work-surface);
  box-shadow: var(--work-shadow);
}

.training-page .training-finish-confirm h2,
.training-page .training-final h2 {
  margin: 0 0 16px;
  color: var(--work-ink) !important;
  -webkit-text-fill-color: var(--work-ink) !important;
  background: none !important;
  -webkit-background-clip: border-box !important;
  background-clip: border-box !important;
  font-size: 28px;
  font-weight: 800;
  line-height: 1.2;
}

.training-page .training-finish-confirm > p {
  margin: 14px 0 0;
}

.training-page .training-finish-confirm-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 20px;
}

.training-page .training-final {
  max-width: 860px;
  margin: 38px auto;
  padding: 34px;
  color: var(--work-ink);
  border: 1px solid var(--work-border);
  border-radius: 24px;
  background: var(--work-surface);
}

.training-page .training-final-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 18px 0;
}

.training-page .training-final-stat {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border: 1px solid color-mix(in srgb, var(--accent) 16%, #d8e4ea);
  border-radius: 16px;
  background: #f7fafc;
}

.training-page .training-final-stat span {
  color: var(--work-muted);
  font-size: 12px;
  font-weight: 700;
}

.training-page .training-final-stat strong {
  color: var(--work-ink);
  font-size: 28px;
  font-weight: 820;
  font-variant-numeric: tabular-nums;
}

.training-page .training-final-review,
.training-page .training-review-item {
  margin-top: 18px;
  padding: 16px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--work-ink) 4%, transparent);
}

.training-page .training-final-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.training-page .training-repeat-btn,
.training-page .training-back-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 180px;
  margin: 0;
  text-decoration: none;
}

.training-page .training-condition h2:focus {
  outline: none;
}

.training-page .training-condition h2:focus-visible {
  outline: 2px solid var(--accent-hi);
  outline-offset: 4px;
  border-radius: 8px;
}

.training-page button:disabled {
  cursor: not-allowed;
  opacity: 0.72;
}

/* ---------- Responsive ---------- */

@media (width <= 900px) {
  .training-page .training-workspace {
    grid-template-columns: 1fr;
  }

  .training-page .training-answer-panel {
    position: static;
  }

  .number-intro-page .number-intro-layout {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .number-intro-page .number-intro-cta {
    justify-content: stretch;
  }

  .number-intro-page .training-start-btn {
    width: 100%;
  }
}

@media (width <= 768px) {
  .task-training-scene .task-training-page {
    width: calc(100% - 32px);
    padding: 18px 0 72px;
  }

  .task-training-scene .task-binary-field {
    opacity: 0.04;
  }

  .number-intro-page .number-intro-card {
    padding: 36px 20px 28px;
  }

  .number-intro-page .task-brand-tab {
    left: 18px;
    width: 168px;
    height: 60px;
    font-size: 30px;
  }

  .number-intro-page .number-intro-card .page-title {
    font-size: 36px !important;
  }

  .number-intro-page .seo-info-section {
    margin-top: 28px;
  }

  .number-intro-page .number-task-bank {
    padding: 20px 16px;
    border-radius: 22px;
  }

  .number-intro-page .number-task-grid {
    grid-template-columns: 1fr;
  }

  .number-intro-page a.number-task-card {
    min-height: 0;
  }


  .number-intro-page .seo-info-card {
    padding: 26px 20px;
  }

  .training-page .training-single-info,
  .training-page .training-toolbar {
    min-height: 0;
    padding: 14px 16px;
  }

  .training-page .training-toolbar > p {
    max-width: none;
  }

  .training-page .task-number-chip {
    left: 18px;
    width: 148px;
    height: 52px;
    font-size: 25px;
  }

  .training-page .training-condition {
    padding: 28px 18px 22px;
    border-radius: 22px;
  }

  .training-page .training-condition h2 {
    font-size: 26px;
    margin-bottom: 20px;
  }

  .training-page .training-condition-body {
    padding: 18px;
    border-radius: 16px;
  }

  .training-page .training-condition .task-question,
  .training-page .training-condition .programs-table {
    font-size: 16px !important;
  }

  .training-page .training-answer-panel {
    padding: 20px;
    border-radius: 22px;
  }

  .training-page .exam-answer-input,
  .training-page .exam-actions button,
  .training-page .training-next-btn-primary {
    min-height: 54px;
  }

  .training-page .training-solution-panel {
    padding: 22px;
    border-radius: 22px;
  }

  .training-page .training-solution-body {
    font-size: 16px;
  }

  .training-page .training-finish-confirm-actions,
  .training-page .training-final-summary {
    grid-template-columns: 1fr;
  }

  .training-page .training-final-actions {
    flex-direction: column;
  }

  .training-page .training-repeat-btn,
  .training-page .training-back-btn {
    width: 100%;
  }
}

@media (width <= 360px) {
  .task-training-scene .task-training-page {
    width: calc(100% - 28px);
  }

  .number-intro-page .task-brand-tab {
    left: 16px;
    width: 150px;
    height: 54px;
    font-size: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .task-training-scene *,
  .task-training-scene *::before,
  .task-training-scene *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* ---------- Task detail nextgen (isolated) ---------- */

@keyframes tdn-content-fade {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.task-detail-nextgen {
  --tdn-heading-color: #102736;
  --tdn-heading-accent: #1769e0;
  --tdn-heading-shadow: none;
  --tdn-condition-bg: color-mix(in srgb, #1769e0 14%, #fff);
  --tdn-condition-color: #1769e0;
  --tdn-condition-border: color-mix(in srgb, #1769e0 28%, #d8e4ea);
  --tdn-condition-glow: 0 0 0 1px color-mix(in srgb, #1769e0 12%, transparent),
    0 0 14px color-mix(in srgb, #64a7ff 18%, transparent);
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto;
  padding: 28px 0 64px;
  color: #13212c;
}

.site-scene[data-theme="classic"] .task-detail-nextgen {
  --tdn-heading-color: #102736;
  --tdn-heading-accent: #1769e0;
  --tdn-heading-shadow: none;
  --tdn-condition-bg: color-mix(in srgb, #1769e0 14%, #fff);
  --tdn-condition-color: #1769e0;
  --tdn-condition-border: color-mix(in srgb, #1769e0 28%, #d8e4ea);
  --tdn-condition-glow: 0 0 0 1px color-mix(in srgb, #1769e0 12%, transparent),
    0 0 14px color-mix(in srgb, #64a7ff 18%, transparent);
}

.site-scene[data-theme="poisoned"] .task-detail-nextgen {
  --tdn-heading-color: #f6f0ff;
  --tdn-heading-accent: #b760ff;
  --tdn-heading-shadow: 0 1px 12px color-mix(in srgb, #0e0a18 35%, transparent);
  --tdn-condition-bg: color-mix(in srgb, #b760ff 22%, #1a0f2a);
  --tdn-condition-color: #f0e2ff;
  --tdn-condition-border: color-mix(in srgb, #b760ff 55%, #3a2450);
  --tdn-condition-glow: 0 0 0 1px color-mix(in srgb, #e3a2ff 22%, transparent),
    0 0 16px color-mix(in srgb, #b760ff 35%, transparent);
}

.site-scene[data-theme="immolated"] .task-detail-nextgen {
  --tdn-heading-color: #fff4e8;
  --tdn-heading-accent: #ff6a3d;
  --tdn-heading-shadow: 0 1px 12px color-mix(in srgb, #1a0a06 35%, transparent);
  --tdn-condition-bg: color-mix(in srgb, #ff6a3d 20%, #2a120c);
  --tdn-condition-color: #ffe8d8;
  --tdn-condition-border: color-mix(in srgb, #ff8a5c 50%, #4a2418);
  --tdn-condition-glow: 0 0 0 1px color-mix(in srgb, #ffb088 20%, transparent),
    0 0 16px color-mix(in srgb, #ff6a3d 32%, transparent);
}

.site-scene[data-theme="flayed"] .task-detail-nextgen {
  --tdn-heading-color: #f0fff8;
  --tdn-heading-accent: #2fd6a8;
  --tdn-heading-shadow: 0 1px 12px color-mix(in srgb, #041814 35%, transparent);
  --tdn-condition-bg: color-mix(in srgb, #2fd6a8 18%, #0c221c);
  --tdn-condition-color: #e5fff4;
  --tdn-condition-border: color-mix(in srgb, #7dffb8 45%, #1a4034);
  --tdn-condition-glow: 0 0 0 1px color-mix(in srgb, #a6f43d 18%, transparent),
    0 0 16px color-mix(in srgb, #2fd6a8 30%, transparent);
}

/* Short opacity-only fade on task content when switching tasks — no slide/transform. */
.task-detail-nextgen .tdn-head,
.task-detail-nextgen .tdn-workspace {
  animation: tdn-content-fade 140ms ease-out both;
}

.task-detail-nextgen .tdn-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 16px;
  margin-bottom: 22px;
}

.task-detail-nextgen .tdn-back,
.task-detail-nextgen .tdn-top-actions a,
.task-detail-nextgen .tdn-top-actions button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 14px;
  color: #1a2b38;
  text-decoration: none;
  border: 1px solid color-mix(in srgb, var(--accent, #3d8bfd) 18%, #d5e1e8);
  border-radius: 14px;
  background: #fff;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.task-detail-nextgen .tdn-top-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.task-detail-nextgen .tdn-back:hover,
.task-detail-nextgen .tdn-top-actions a:hover,
.task-detail-nextgen .tdn-top-actions button:hover {
  border-color: color-mix(in srgb, var(--accent, #3d8bfd) 40%, #c5d6e2);
  box-shadow: 0 8px 18px color-mix(in srgb, #173d50 8%, transparent);
}

.task-detail-nextgen .tdn-back:focus-visible,
.task-detail-nextgen .tdn-top-actions a:focus-visible,
.task-detail-nextgen .tdn-top-actions button:focus-visible,
.task-detail-nextgen .tdn-nav-btn:focus-visible,
.task-detail-nextgen .answer-form button:focus-visible,
.task-detail-nextgen .tdn-secondary-btn:focus-visible,
.task-detail-nextgen .show-solution-btn:focus-visible,
.task-detail-nextgen .answer-form input:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent, #3d8bfd) 70%, #fff);
  outline-offset: 2px;
}

.task-detail-nextgen .tdn-head {
  margin-bottom: 28px;
}

.task-detail-nextgen .tdn-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.task-detail-nextgen .tdn-chips span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 11px;
  color: #243846;
  border: 1px solid color-mix(in srgb, var(--accent, #3d8bfd) 22%, #cfdce4);
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent, #3d8bfd) 6%, #fff);
  font-size: 12px;
  font-weight: 780;
}

.task-detail-nextgen .tdn-head h1 {
  position: relative;
  margin: 0;
  max-width: 18ch;
  padding-bottom: 12px;
  color: var(--tdn-heading-color) !important;
  -webkit-text-fill-color: var(--tdn-heading-color) !important;
  opacity: 1;
  background: none !important;
  background-image: none !important;
  -webkit-background-clip: border-box !important;
  background-clip: border-box !important;
  font-size: clamp(44px, 4.2vw, 52px);
  font-weight: 800;
  line-height: 1.05;
  text-wrap: balance;
  text-shadow: var(--tdn-heading-shadow);
}

.task-detail-nextgen .tdn-head h1::after {
  content: "";
  display: block;
  width: 48px;
  max-width: 40%;
  height: 3px;
  margin-top: 10px;
  border-radius: 999px;
  background: var(--tdn-heading-accent);
  box-shadow: 0 0 10px color-mix(in srgb, var(--tdn-heading-accent) 45%, transparent);
}

.task-detail-nextgen .tdn-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 340px);
  gap: 24px;
  align-items: start;
}

.task-detail-nextgen .tdn-condition {
  min-width: 0;
  height: auto;
  min-height: 0;
  padding: 28px 28px 24px;
  border: 1px solid color-mix(in srgb, var(--accent, #3d8bfd) 14%, #d8e4ea);
  border-radius: 26px;
  background: #fbfdfe;
  box-shadow: 0 16px 36px rgba(23, 61, 80, 0.07);
}

.task-detail-nextgen .tdn-condition-label {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  margin-bottom: 16px;
  padding: 0 11px;
  border: 1px solid var(--tdn-condition-border);
  border-radius: 999px;
  background: var(--tdn-condition-bg) !important;
  color: var(--tdn-condition-color) !important;
  -webkit-text-fill-color: var(--tdn-condition-color) !important;
  box-shadow: var(--tdn-condition-glow);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.task-detail-nextgen .tdn-condition,
.task-detail-nextgen .tdn-answer,
.task-detail-nextgen .tdn-nav {
  background: #ffffff !important;
  color: #102736 !important;
  -webkit-backdrop-filter: none !important;
  backdrop-filter: none !important;
}

.task-detail-nextgen .tdn-condition {
  background: #fbfdfe !important;
}

.task-detail-nextgen .tdn-condition .task-question {
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  color: #102736;
  font-size: 18px;
  line-height: 1.7;
}

.task-detail-nextgen .tdn-condition .task-question,
.task-detail-nextgen .tdn-condition .task-question :where(p, span, li, td, th, strong, em, a, code) {
  color: #102736 !important;
  -webkit-text-fill-color: #102736 !important;
  opacity: 1 !important;
}

.task-detail-nextgen .tdn-condition .task-question p {
  margin: 0 0 1.35em;
}

.task-detail-nextgen .tdn-condition .task-question p:last-child {
  margin-bottom: 0;
}

.task-detail-nextgen .tdn-condition .task-question img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 20px 0;
  border: 1px solid #d8e4ea;
  border-radius: 16px;
  object-fit: contain;
}

/* Condition rich tables: defeat prod-parity navy .task-question table/td.
   Scope only — do not restyle global / exam / home tables. */
.task-detail-nextgen .tdn-condition .task-question figure.table {
  display: block !important;
  width: min(100%, 520px) !important;
  max-width: 100% !important;
  margin: 22px auto !important;
  padding: 0 !important;
  border: 1px solid color-mix(in srgb, var(--accent, #3d8bfd) 16%, #c5d4de) !important;
  border-radius: 16px !important;
  background: #ffffff !important;
  box-shadow: none !important;
  overflow-x: auto !important;
  overflow-y: hidden !important;
  -webkit-overflow-scrolling: touch;
}

.task-detail-nextgen .tdn-condition .task-question figure.table > table,
.task-detail-nextgen .tdn-condition .task-question > table,
.task-detail-nextgen .tdn-condition .task-question table {
  display: table !important;
  width: min(100%, 520px) !important;
  max-width: 100% !important;
  min-width: 0 !important;
  margin: 0 auto !important;
  padding: 0 !important;
  table-layout: fixed !important;
  border-collapse: separate !important;
  border-spacing: 0 !important;
  border: 1px solid color-mix(in srgb, var(--accent, #3d8bfd) 16%, #c5d4de) !important;
  border-radius: 16px !important;
  background: #f7fbf9 !important;
  box-shadow: none !important;
  overflow: hidden !important;
  color: #102736 !important;
  -webkit-text-fill-color: #102736 !important;
}

.task-detail-nextgen .tdn-condition .task-question figure.table > table {
  width: 100% !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
}

.task-detail-nextgen .tdn-condition .task-question table th,
.task-detail-nextgen .tdn-condition .task-question table td,
.task-detail-nextgen .tdn-condition .task-question figure.table th,
.task-detail-nextgen .tdn-condition .task-question figure.table td {
  height: 42px !important;
  min-height: 42px !important;
  min-width: 0 !important;
  padding: 8px 12px !important;
  border: 0 !important;
  border-right: 1px solid color-mix(in srgb, #5a7a72 22%, #d5e0e4) !important;
  border-bottom: 1px solid color-mix(in srgb, #5a7a72 22%, #d5e0e4) !important;
  background: color-mix(in srgb, var(--accent, #3d8bfd) 5%, #ffffff) !important;
  background-color: color-mix(in srgb, var(--accent, #3d8bfd) 5%, #ffffff) !important;
  color: #102736 !important;
  -webkit-text-fill-color: #102736 !important;
  font-size: 15px !important;
  font-weight: 700 !important;
  line-height: 1.25 !important;
  letter-spacing: 0.02em !important;
  text-align: center !important;
  vertical-align: middle !important;
  white-space: nowrap !important;
}

.task-detail-nextgen .tdn-condition .task-question table tr:first-child th,
.task-detail-nextgen .tdn-condition .task-question table tr:first-child td,
.task-detail-nextgen .tdn-condition .task-question figure.table tr:first-child th,
.task-detail-nextgen .tdn-condition .task-question figure.table tr:first-child td {
  background: color-mix(in srgb, var(--accent, #3d8bfd) 10%, #f2f7f5) !important;
  background-color: color-mix(in srgb, var(--accent, #3d8bfd) 10%, #f2f7f5) !important;
  color: #0d1f2a !important;
  -webkit-text-fill-color: #0d1f2a !important;
  font-weight: 800 !important;
}

.task-detail-nextgen .tdn-condition .task-question table th:last-child,
.task-detail-nextgen .tdn-condition .task-question table td:last-child,
.task-detail-nextgen .tdn-condition .task-question figure.table th:last-child,
.task-detail-nextgen .tdn-condition .task-question figure.table td:last-child {
  border-right: 0 !important;
}

.task-detail-nextgen .tdn-condition .task-question table tr:last-child th,
.task-detail-nextgen .tdn-condition .task-question table tr:last-child td,
.task-detail-nextgen .tdn-condition .task-question figure.table tr:last-child th,
.task-detail-nextgen .tdn-condition .task-question figure.table tr:last-child td {
  border-bottom: 0 !important;
}

.task-detail-nextgen .tdn-condition .task-question table :where(strong, em, span, a, code),
.task-detail-nextgen .tdn-condition .task-question figure.table :where(strong, em, span, a, code) {
  color: inherit !important;
  -webkit-text-fill-color: inherit !important;
  font-weight: inherit;
}

.task-detail-nextgen .tdn-condition .task-question pre {
  display: block;
  max-width: 100%;
  overflow-x: auto;
}

.task-detail-nextgen .tdn-condition .programs-table {
  display: block;
  max-width: 100%;
  margin-top: 16px;
  overflow-x: auto;
}

.site-scene[data-theme="flayed"] .task-detail-nextgen .tdn-condition .task-question figure.table,
.site-scene[data-theme="flayed"] .task-detail-nextgen .tdn-condition .task-question > table,
.site-scene[data-theme="flayed"] .task-detail-nextgen .tdn-condition .task-question table {
  border-color: color-mix(in srgb, #2a6b55 28%, #cfe0d8) !important;
  background: #f4faf6 !important;
}

.site-scene[data-theme="flayed"] .task-detail-nextgen .tdn-condition .task-question table th,
.site-scene[data-theme="flayed"] .task-detail-nextgen .tdn-condition .task-question table td,
.site-scene[data-theme="flayed"] .task-detail-nextgen .tdn-condition .task-question figure.table th,
.site-scene[data-theme="flayed"] .task-detail-nextgen .tdn-condition .task-question figure.table td {
  border-right-color: color-mix(in srgb, #2a6b55 22%, #d5e4dc) !important;
  border-bottom-color: color-mix(in srgb, #2a6b55 22%, #d5e4dc) !important;
  background: color-mix(in srgb, #2fd6a8 7%, #ffffff) !important;
  background-color: color-mix(in srgb, #2fd6a8 7%, #ffffff) !important;
  color: #0f241c !important;
  -webkit-text-fill-color: #0f241c !important;
}

.site-scene[data-theme="flayed"] .task-detail-nextgen .tdn-condition .task-question table tr:first-child th,
.site-scene[data-theme="flayed"] .task-detail-nextgen .tdn-condition .task-question table tr:first-child td,
.site-scene[data-theme="flayed"] .task-detail-nextgen .tdn-condition .task-question figure.table tr:first-child th,
.site-scene[data-theme="flayed"] .task-detail-nextgen .tdn-condition .task-question figure.table tr:first-child td {
  background: color-mix(in srgb, #2fd6a8 12%, #eef7f2) !important;
  background-color: color-mix(in srgb, #2fd6a8 12%, #eef7f2) !important;
  color: #0a1f18 !important;
  -webkit-text-fill-color: #0a1f18 !important;
  box-shadow: inset 0 -2px 0 color-mix(in srgb, #a6f43d 55%, transparent);
}

.site-scene[data-theme="poisoned"] .task-detail-nextgen .tdn-condition .task-question figure.table,
.site-scene[data-theme="poisoned"] .task-detail-nextgen .tdn-condition .task-question table,
.site-scene[data-theme="immolated"] .task-detail-nextgen .tdn-condition .task-question figure.table,
.site-scene[data-theme="immolated"] .task-detail-nextgen .tdn-condition .task-question table {
  border-color: #cfd8e0 !important;
  background: #f8fafb !important;
}

.site-scene[data-theme="poisoned"] .task-detail-nextgen .tdn-condition .task-question table th,
.site-scene[data-theme="poisoned"] .task-detail-nextgen .tdn-condition .task-question table td,
.site-scene[data-theme="poisoned"] .task-detail-nextgen .tdn-condition .task-question figure.table th,
.site-scene[data-theme="poisoned"] .task-detail-nextgen .tdn-condition .task-question figure.table td,
.site-scene[data-theme="immolated"] .task-detail-nextgen .tdn-condition .task-question table th,
.site-scene[data-theme="immolated"] .task-detail-nextgen .tdn-condition .task-question table td,
.site-scene[data-theme="immolated"] .task-detail-nextgen .tdn-condition .task-question figure.table th,
.site-scene[data-theme="immolated"] .task-detail-nextgen .tdn-condition .task-question figure.table td {
  border-right-color: #d5dde4 !important;
  border-bottom-color: #d5dde4 !important;
  background: #ffffff !important;
  background-color: #ffffff !important;
  color: #13212c !important;
  -webkit-text-fill-color: #13212c !important;
}

.site-scene[data-theme="poisoned"] .task-detail-nextgen .tdn-condition .task-question table tr:first-child th,
.site-scene[data-theme="poisoned"] .task-detail-nextgen .tdn-condition .task-question table tr:first-child td,
.site-scene[data-theme="poisoned"] .task-detail-nextgen .tdn-condition .task-question figure.table tr:first-child th,
.site-scene[data-theme="poisoned"] .task-detail-nextgen .tdn-condition .task-question figure.table tr:first-child td,
.site-scene[data-theme="immolated"] .task-detail-nextgen .tdn-condition .task-question table tr:first-child th,
.site-scene[data-theme="immolated"] .task-detail-nextgen .tdn-condition .task-question table tr:first-child td,
.site-scene[data-theme="immolated"] .task-detail-nextgen .tdn-condition .task-question figure.table tr:first-child th,
.site-scene[data-theme="immolated"] .task-detail-nextgen .tdn-condition .task-question figure.table tr:first-child td {
  background: #f1f4f7 !important;
  background-color: #f1f4f7 !important;
  color: #0f1a22 !important;
  -webkit-text-fill-color: #0f1a22 !important;
}

.task-detail-nextgen .tdn-condition .download-file-btn {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-top: 16px;
  padding: 0 14px;
  border: 1px solid color-mix(in srgb, var(--accent, #3d8bfd) 22%, #d0dde5);
  border-radius: 12px;
  background: #fff;
  color: var(--accent, #3d8bfd);
  font-size: 13px;
  font-weight: 750;
  text-decoration: none;
}

.task-detail-nextgen .tdn-answer {
  --tdn-success-bg: #d8f3e6;
  --tdn-success-border: #1f9a68;
  --tdn-success-ink: #0a5c40;
  --tdn-success-text: #1a4738;
  --tdn-success-shadow: 0 8px 20px color-mix(in srgb, #1f9a68 18%, transparent);
  --tdn-error-bg: #fce3e0;
  --tdn-error-border: #d24b45;
  --tdn-error-ink: #8f1f1c;
  --tdn-error-text: #5c2422;
  --tdn-error-shadow: 0 8px 20px color-mix(in srgb, #d24b45 16%, transparent);
  position: sticky;
  top: 88px;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  max-width: 340px;
  min-height: 0;
  height: auto;
  margin: 0;
  padding: 20px;
  border: 1px solid color-mix(in srgb, var(--accent, #3d8bfd) 14%, #d8e4ea);
  border-radius: 26px;
  background: #fff;
  box-shadow: 0 14px 32px rgba(23, 61, 80, 0.07);
}

.task-detail-nextgen .tdn-answer .answer-form {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 0;
}

.task-detail-nextgen .tdn-answer .answer-form label {
  display: block;
  margin-bottom: 10px;
  color: #102736;
  font-size: 16px;
  font-weight: 800;
}

.task-detail-nextgen .tdn-answer .answer-form input {
  width: 100%;
  min-height: 48px;
  margin: 0;
  padding: 0 14px;
  color: #102736;
  border: 1.5px solid color-mix(in srgb, var(--accent, #3d8bfd) 28%, #c5d4de);
  border-radius: 14px;
  background: #f8fbfd;
  font-size: 16px;
  line-height: 1.3;
  box-sizing: border-box;
}

.task-detail-nextgen .tdn-answer .answer-form input::placeholder {
  color: #7a8b98;
}

.task-detail-nextgen .tdn-answer .tdn-local-error {
  margin-top: 10px;
}

.task-detail-nextgen .tdn-answer .answer-form button[type="submit"] {
  width: 100%;
  min-height: 48px;
  margin-top: 10px;
  padding: 0 14px;
  color: var(--action-primary-text, #fff);
  -webkit-text-fill-color: var(--action-primary-text, #fff);
  border: 0;
  border-radius: 14px;
  background: var(--action-primary-bg, linear-gradient(
    135deg,
    var(--accent, #3d8bfd),
    var(--accent-hi, #5aa7ff)
  ));
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  transition: filter 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.task-detail-nextgen .tdn-answer .answer-form button[type="submit"]:hover:not(:disabled) {
  filter: brightness(1.04);
  box-shadow: 0 10px 22px color-mix(in srgb, var(--accent, #3d8bfd) 28%, transparent);
}

.task-detail-nextgen .tdn-answer .answer-form button[type="submit"]:disabled {
  cursor: default;
  opacity: 0.72;
}

.task-detail-nextgen .tdn-answer .tdn-answer-accepted,
.task-detail-nextgen .tdn-answer .tdn-next-after-correct {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 56px;
  margin-top: 12px;
  padding: 0 16px;
  border-radius: 16px;
  font-size: 16px;
  font-weight: 800;
  box-sizing: border-box;
  text-decoration: none;
}

.task-detail-nextgen .tdn-answer .tdn-answer-accepted {
  color: #385061 !important;
  border: 1.5px solid #c9d6de !important;
  background: #eef3f6 !important;
  cursor: default;
  opacity: 1;
  box-shadow: none !important;
}

.task-detail-nextgen .tdn-answer .tdn-next-after-correct {
  color: var(--action-primary-text, #fff) !important;
  -webkit-text-fill-color: var(--action-primary-text, #fff) !important;
  border: 0 !important;
  background: var(
    --action-primary-bg,
    linear-gradient(
      135deg,
      var(--accent, #3d8bfd),
      var(--accent-hi, #5aa7ff)
    )
  ) !important;
  box-shadow: 0 10px 22px color-mix(in srgb, var(--accent, #3d8bfd) 24%, transparent);
}

.task-detail-nextgen .tdn-answer .tdn-next-after-correct:hover {
  filter: brightness(1.04);
}

.task-detail-nextgen .tdn-answer .tdn-next-after-correct:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent, #3d8bfd) 70%, #fff);
  outline-offset: 2px;
}

.task-detail-nextgen .tdn-answer .result {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px 14px;
  align-items: start;
  margin-top: 16px;
  padding: 18px 18px 18px 16px;
  border: 1.75px solid transparent;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.45;
  box-sizing: border-box;
}

.task-detail-nextgen .tdn-answer .result.tdn-local-error {
  margin-top: 10px;
}

.task-detail-nextgen .tdn-answer .tdn-result-icon {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  margin-top: 2px;
  pointer-events: none;
}

.task-detail-nextgen .tdn-answer .tdn-result-copy {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.task-detail-nextgen .tdn-answer .result-correct {
  border-color: var(--tdn-success-border);
  border-left: 4px solid var(--tdn-success-border);
  background: var(--tdn-success-bg);
  box-shadow: var(--tdn-success-shadow);
  color: var(--tdn-success-ink);
}

.task-detail-nextgen .tdn-answer .result-wrong {
  border-color: var(--tdn-error-border);
  border-left: 4px solid var(--tdn-error-border);
  background: var(--tdn-error-bg);
  box-shadow: var(--tdn-error-shadow);
  color: var(--tdn-error-ink);
}

.task-detail-nextgen .tdn-answer .result-correct .tdn-result-icon,
.task-detail-nextgen .tdn-answer .result-correct strong {
  color: var(--tdn-success-ink) !important;
  -webkit-text-fill-color: var(--tdn-success-ink) !important;
  opacity: 1 !important;
}

.task-detail-nextgen .tdn-answer .result-wrong .tdn-result-icon,
.task-detail-nextgen .tdn-answer .result-wrong strong {
  color: var(--tdn-error-ink) !important;
  -webkit-text-fill-color: var(--tdn-error-ink) !important;
  opacity: 1 !important;
}

.task-detail-nextgen .tdn-answer .result-correct strong,
.task-detail-nextgen .tdn-answer .result-wrong strong {
  display: block;
  font-size: 26px;
  font-weight: 800;
  line-height: 1.15;
}

.task-detail-nextgen .tdn-answer .result-correct .tdn-result-copy > span,
.task-detail-nextgen .tdn-answer .result-wrong .tdn-result-copy > span {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  opacity: 1 !important;
}

.task-detail-nextgen .tdn-answer .result-correct .tdn-result-copy > span {
  color: var(--tdn-success-text) !important;
  -webkit-text-fill-color: var(--tdn-success-text) !important;
}

.task-detail-nextgen .tdn-answer .result-wrong .tdn-result-copy > span {
  color: var(--tdn-error-text) !important;
  -webkit-text-fill-color: var(--tdn-error-text) !important;
}

/* Theme accents must not recolor semantic result panels. */
.site-scene[data-theme] .task-detail-nextgen .tdn-answer .result-correct,
.site-scene[data-theme] .task-detail-nextgen .tdn-answer .result-wrong {
  background: var(--tdn-success-bg);
}

.site-scene[data-theme] .task-detail-nextgen .tdn-answer .result-wrong {
  background: var(--tdn-error-bg);
}

.task-detail-nextgen .tdn-answer .show-solution-btn,
.task-detail-nextgen .tdn-answer .file-check-note {
  width: 100%;
  box-sizing: border-box;
}

.task-detail-nextgen .tdn-answer .file-check-note {
  padding: 12px 14px;
  border-radius: 14px;
  background: #f3f7fa;
  color: #385061;
  font-size: 14px;
  line-height: 1.5;
}

.task-detail-nextgen .tdn-answer .show-solution-btn {
  min-height: 44px;
  padding: 0 14px;
  color: #1a2b38;
  border: 1px solid color-mix(in srgb, var(--accent, #3d8bfd) 18%, #d0dde5);
  border-radius: 14px;
  background: #fff;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.task-detail-nextgen .tdn-answer .explanation {
  display: none;
  padding: 14px;
  border-radius: 14px;
  background: #f7fafc;
  color: #102736;
  font-size: 15px;
  line-height: 1.6;
}

.task-detail-nextgen .tdn-answer .explanation.solution-open {
  display: block;
}

.task-detail-nextgen .tdn-secondary-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 2px;
}

.task-detail-nextgen .tdn-secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 44px;
  padding: 0 10px;
  color: #4a6070;
  border: 1px solid color-mix(in srgb, var(--accent, #3d8bfd) 12%, #d8e2e8);
  border-radius: 12px;
  background: #f5f8fa;
  font-size: 12px;
  font-weight: 650;
  line-height: 1.2;
  text-align: center;
  cursor: pointer;
}

.task-detail-nextgen .tdn-secondary-btn:hover {
  border-color: color-mix(in srgb, var(--accent, #3d8bfd) 32%, #c5d6e2);
}

.task-detail-nextgen .task-error-report-form {
  display: none;
  flex-direction: column;
  gap: 10px;
}

.task-detail-nextgen .task-error-report-form.is-open {
  display: flex;
}

.task-detail-nextgen .task-error-report-form textarea {
  width: 100%;
  min-height: 88px;
  padding: 12px;
  box-sizing: border-box;
  color: #102736;
  border: 1px solid color-mix(in srgb, var(--accent, #3d8bfd) 18%, #d0dde5);
  border-radius: 12px;
  background: #fff;
  font-size: 14px;
  resize: vertical;
}

.task-detail-nextgen .task-error-report-form button {
  min-height: 42px;
  padding: 0 14px;
  color: #1a2b38;
  border: 1px solid color-mix(in srgb, var(--accent, #3d8bfd) 18%, #d0dde5);
  border-radius: 12px;
  background: #fff;
  font-size: 13px;
  font-weight: 750;
  cursor: pointer;
}

/* Shared OGE/EGE task error dialog. */
.task-error-action {
  min-width: 0;
}

.task-error-dialog-backdrop {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(9, 15, 28, 0.68);
}

.task-error-dialog {
  position: relative;
  width: min(100%, 540px);
  max-height: calc(100dvh - 40px);
  overflow-y: auto;
  padding: 28px;
  border: 1px solid var(--task-error-dialog-border, #7e9bb0);
  border-radius: 20px;
  background: var(--task-error-dialog-bg, #f7fafe);
  color: var(--task-error-dialog-text, #102736);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.3);
}

.task-error-dialog h2 { margin: 0 36px 6px 0; color: inherit; }
.task-error-dialog-context { margin: 0 0 20px; color: var(--task-error-dialog-muted, #465f70); }
.task-error-dialog form { display: grid; gap: 10px; }
.task-error-dialog label { font-weight: 700; }
.task-error-dialog textarea {
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  resize: vertical;
  padding: 12px 14px;
  border: 1px solid var(--task-error-dialog-border, #7e9bb0);
  border-radius: 12px;
  background: var(--task-error-dialog-inset, #eef4fa);
  color: var(--task-error-dialog-text, #102736);
  font: inherit;
}
.task-error-dialog textarea:focus-visible { outline: 3px solid var(--task-error-dialog-action, #174b9b); outline-offset: 2px; }
.task-error-dialog textarea::placeholder { color: var(--task-error-dialog-muted, #465f70); opacity: 1; }
.task-error-dialog form > button {
  justify-self: start;
  padding: 10px 18px;
  border: 1px solid var(--task-error-dialog-action, #174b9b);
  border-radius: 999px;
  background: var(--task-error-dialog-action, #174b9b);
  color: var(--task-error-dialog-action-text, #fff);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}
.task-error-dialog form > button:disabled { cursor: wait; opacity: 0.7; }
.task-error-dialog .result { margin: 16px 0 0; padding: 10px 12px; border-radius: 10px; }
.task-error-dialog .result-correct { border: 1px solid #3f8b58; background: #e2f5e7; color: #163d22; }
.task-error-dialog .result-wrong { border: 1px solid #b55151; background: #fde8e8; color: #642020; }
.task-error-dialog-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 36px;
  height: 36px;
  border: 1px solid var(--task-error-dialog-border, #7e9bb0);
  border-radius: 50%;
  background: var(--task-error-dialog-inset, #eef4fa);
  color: var(--task-error-dialog-text, #102736);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

@media (max-width: 480px) {
  .task-error-dialog-backdrop { padding: 10px; }
  .task-error-dialog { max-height: calc(100dvh - 20px); padding: 22px 18px; border-radius: 16px; }
}

.task-detail-nextgen .tdn-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 28px;
  padding: 16px 18px;
  border: 1px solid color-mix(in srgb, var(--accent, #3d8bfd) 14%, #d8e4ea);
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 10px 24px rgba(23, 61, 80, 0.05);
}

.task-detail-nextgen .tdn-nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 148px;
  min-height: 48px;
  padding: 0 16px;
  color: #1a2b38;
  text-decoration: none;
  border: 1px solid color-mix(in srgb, var(--accent, #3d8bfd) 18%, #d0dde5);
  border-radius: 14px;
  background: #f8fbfd;
  font-size: 14px;
  font-weight: 750;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.task-detail-nextgen .tdn-nav-btn:hover:not(.is-disabled) {
  border-color: color-mix(in srgb, var(--accent, #3d8bfd) 36%, #c5d6e2);
  box-shadow: 0 8px 16px color-mix(in srgb, #173d50 8%, transparent);
}

.task-detail-nextgen .tdn-nav-btn.is-disabled {
  opacity: 0.45;
  cursor: default;
}

@media (max-width: 900px) {
  .task-detail-nextgen .tdn-workspace {
    grid-template-columns: 1fr;
  }

  .task-detail-nextgen .tdn-answer {
    position: static;
    max-width: none;
  }
}

@media (max-width: 720px) {
  .task-detail-nextgen {
    width: calc(100% - 28px);
    padding-top: 18px;
  }

  .task-detail-nextgen .tdn-top {
    flex-direction: column;
    align-items: stretch;
  }

  .task-detail-nextgen .tdn-top-actions {
    width: 100%;
  }

  .task-detail-nextgen .tdn-top-actions a,
  .task-detail-nextgen .tdn-top-actions button,
  .task-detail-nextgen .tdn-back {
    flex: 1;
    justify-content: center;
  }

  .task-detail-nextgen .tdn-head h1 {
    font-size: clamp(30px, 8vw, 36px);
  }

  .task-detail-nextgen .tdn-condition {
    padding: 24px 18px 20px;
    border-radius: 22px;
  }

  .task-detail-nextgen .tdn-condition .task-question {
    font-size: 16px;
  }

  .task-detail-nextgen .tdn-answer .answer-form input,
  .task-detail-nextgen .tdn-answer .answer-form button[type="submit"] {
    font-size: 16px;
  }

  .task-detail-nextgen .tdn-answer .result {
    width: 100%;
    padding: 16px 14px 16px 12px;
  }

  .task-detail-nextgen .tdn-answer .tdn-result-icon {
    width: 32px;
    height: 32px;
  }

  .task-detail-nextgen .tdn-answer .result-correct strong,
  .task-detail-nextgen .tdn-answer .result-wrong strong {
    font-size: 24px;
  }

  .task-detail-nextgen .tdn-answer .result-correct .tdn-result-copy > span,
  .task-detail-nextgen .tdn-answer .result-wrong .tdn-result-copy > span {
    font-size: 14px;
  }

  .task-detail-nextgen .tdn-answer .tdn-answer-accepted,
  .task-detail-nextgen .tdn-answer .tdn-next-after-correct {
    min-height: 52px;
  }

  .task-detail-nextgen .tdn-secondary-actions {
    grid-template-columns: 1fr 1fr;
  }

  .task-detail-nextgen .tdn-secondary-btn {
    width: 100%;
    min-height: 44px;
  }

  .task-detail-nextgen .tdn-nav {
    flex-direction: column;
  }

  .task-detail-nextgen .tdn-nav-btn {
    width: 100%;
    min-width: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .task-detail-nextgen .tdn-head,
  .task-detail-nextgen .tdn-workspace {
    animation: none;
    transition: none;
    transform: none;
  }
}

/* Defeat prod-parity leaks inside nextgen only */
.task-detail-nextgen .task-question {
  position: static !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  color: #102736 !important;
  -webkit-text-fill-color: #102736 !important;
}

.task-detail-nextgen .task-question::before,
.task-detail-nextgen .task-question::after {
  content: none !important;
  display: none !important;
}

.task-detail-nextgen .tdn-answer .answer-form {
  display: flex !important;
  flex-direction: column !important;
  grid-template-columns: none !important;
  align-items: stretch !important;
  gap: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
}

.task-detail-nextgen .tdn-answer .answer-form > label {
  display: block !important;
  margin: 0 0 10px !important;
  color: #102736 !important;
  font-size: 16px !important;
  font-weight: 800 !important;
}

.task-detail-nextgen .tdn-answer .answer-form input {
  width: 100% !important;
  min-height: 48px !important;
  height: auto !important;
  margin: 0 !important;
  padding: 0 14px !important;
  color: #102736 !important;
  border: 1.5px solid color-mix(in srgb, var(--accent, #3d8bfd) 28%, #c5d4de) !important;
  border-radius: 14px !important;
  background: #f8fbfd !important;
  font-size: 16px !important;
  box-shadow: none !important;
}

.task-detail-nextgen .tdn-answer .answer-form button[type="submit"] {
  width: 100% !important;
  min-height: 48px !important;
  height: auto !important;
  margin-top: 10px !important;
  padding: 0 14px !important;
  color: var(--action-primary-text, #fff) !important;
  -webkit-text-fill-color: var(--action-primary-text, #fff) !important;
  border: 0 !important;
  border-radius: 14px !important;
  background: var(
    --action-primary-bg,
    linear-gradient(
      135deg,
      var(--accent, #3d8bfd),
      var(--accent-hi, #5aa7ff)
    )
  ) !important;
  font-size: 15px !important;
  font-weight: 800 !important;
  box-shadow: none !important;
}

.task-detail-nextgen .tdn-answer .answer-form-success {
  border: 0 !important;
  box-shadow: none !important;
  background: transparent !important;
}