.universe-page-simulators {
  --ufe-bg: #f4f8fd;
  --ufe-card: #ffffff;
  --ufe-soft: #eef5fc;
  --ufe-text: #10233d;
  --ufe-muted: #61748c;
  --ufe-border: #d9e5f2;
  --ufe-primary: #0967c2;
  --ufe-primary-strong: #064f98;
  --ufe-primary-soft: #e4f1ff;
  --ufe-danger: #b42318;
  --ufe-danger-soft: #fff0ee;
  --ufe-warning: #9a6700;
  --ufe-warning-soft: #fff7d6;
  --ufe-success: #167447;
  --ufe-success-soft: #e8f7ef;
  min-height: 72vh;
  background:
    radial-gradient(circle at 8% 4%, rgba(9, 103, 194, .10), transparent 28rem),
    var(--ufe-bg);
  color: var(--ufe-text);
}

html[data-universe-theme="dark"] .universe-page-simulators {
  --ufe-bg: #03070c;
  --ufe-card: #09111c;
  --ufe-soft: #0e1a28;
  --ufe-text: #f3f8ff;
  --ufe-muted: #a8b7c9;
  --ufe-border: #24374c;
  --ufe-primary: #65b5ff;
  --ufe-primary-strong: #8cc8ff;
  --ufe-primary-soft: #102b45;
  --ufe-danger: #ff8d84;
  --ufe-danger-soft: #361819;
  --ufe-warning: #ffd56a;
  --ufe-warning-soft: #322810;
  --ufe-success: #72d7a4;
  --ufe-success-soft: #102d20;
}

#uni-final-app,
#uni-final-app * {
  box-sizing: border-box;
}

#uni-final-app {
  width: min(100%, 1320px);
  margin: 0 auto;
  padding: 30px clamp(14px, 3vw, 38px) 48px;
  font-family: "DM Sans", Inter, system-ui, sans-serif;
}

.ufe-shell,
.ufe-stack,
.ufe-screen,
.ufe-options,
.ufe-admin-list,
.ufe-result-list,
.ufe-course-groups {
  display: grid;
  gap: 14px;
}

.ufe-topbar,
.ufe-brand,
.ufe-actions,
.ufe-meta,
.ufe-result-head,
.ufe-admin-row,
.ufe-question-actions,
.ufe-user-line {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.ufe-topbar,
.ufe-result-head,
.ufe-question-actions,
.ufe-admin-row {
  justify-content: space-between;
}

.ufe-topbar {
  padding: 4px 2px 12px;
}

.ufe-brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--ufe-primary);
  color: var(--ufe-card);
  font-family: "Rajdhani", sans-serif;
  font-weight: 700;
}

.ufe-brand-copy {
  display: grid;
  gap: 2px;
}

.ufe-brand-copy strong,
.ufe-title,
.ufe-card h2,
.ufe-card h3 {
  font-family: "Rajdhani", sans-serif;
  font-weight: 700;
}

.ufe-brand-copy small,
.ufe-muted {
  color: var(--ufe-muted);
}

.ufe-card {
  border: 1px solid var(--ufe-border);
  border-radius: 22px;
  background: var(--ufe-card);
  box-shadow: 0 18px 46px rgba(25, 65, 105, .08);
  padding: clamp(16px, 2.5vw, 24px);
}

.ufe-admin-exam-picker {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) minmax(260px, 1fr) auto;
  gap: 16px;
  align-items: end;
  padding: 16px;
  border: 1px solid var(--ufe-border);
  border-radius: 16px;
  background: color-mix(in srgb, var(--ufe-primary) 5%, var(--ufe-card));
}

.ufe-preview-question {
  width: min(980px, 100%);
  margin-inline: auto;
}

html[data-universe-theme="dark"] .ufe-card {
  box-shadow: 0 20px 52px rgba(0, 0, 0, .34);
}

.ufe-centered {
  width: min(100%, 620px);
  margin-inline: auto;
}

.ufe-title {
  margin: 0;
  font-size: clamp(1.65rem, 4vw, 2.45rem);
  line-height: 1.04;
}

.ufe-card h2,
.ufe-card h3,
.ufe-card p {
  margin: 0;
}

.ufe-card p {
  line-height: 1.62;
}

.ufe-badge {
  display: inline-flex;
  align-items: center;
  width: max-content;
  max-width: 100%;
  border-radius: 999px;
  background: var(--ufe-primary-soft);
  color: var(--ufe-primary-strong);
  padding: 6px 10px;
  font-size: .77rem;
  font-weight: 800;
  letter-spacing: .035em;
}

.ufe-status-warning {
  background: var(--ufe-warning-soft);
  color: var(--ufe-warning);
}

.ufe-status-danger {
  background: var(--ufe-danger-soft);
  color: var(--ufe-danger);
}

.ufe-status-success {
  background: var(--ufe-success-soft);
  color: var(--ufe-success);
}

.ufe-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  border: 1px solid var(--ufe-border);
  border-radius: 13px;
  background: var(--ufe-card);
  color: var(--ufe-text);
  padding: 9px 14px;
  font: 800 .9rem/1.2 "Rajdhani", sans-serif;
  cursor: pointer;
  transition: transform .16s ease, border-color .16s ease, background .16s ease;
}

.ufe-btn:hover {
  transform: translateY(-1px);
  border-color: var(--ufe-primary);
}

.ufe-btn:focus-visible,
.ufe-option:focus-visible,
.ufe-q-btn:focus-visible,
.ufe-input:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--ufe-primary) 30%, transparent);
  outline-offset: 2px;
}

.ufe-btn-primary {
  border-color: var(--ufe-primary);
  background: var(--ufe-primary);
  color: #fff;
}

.ufe-btn-danger {
  border-color: var(--ufe-danger);
  background: var(--ufe-danger-soft);
  color: var(--ufe-danger);
}

.ufe-btn:disabled {
  opacity: .48;
  cursor: not-allowed;
  transform: none;
}

.ufe-input {
  width: 100%;
  min-height: 110px;
  resize: vertical;
  border: 1px solid var(--ufe-border);
  border-radius: 14px;
  background: var(--ufe-soft);
  color: var(--ufe-text);
  padding: 12px 14px;
  font: inherit;
}

.ufe-login-icon,
.ufe-warning-icon {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  font-weight: 900;
}

.ufe-login-icon {
  background: var(--ufe-primary-soft);
  color: var(--ufe-primary);
  font-size: 1.35rem;
}

.ufe-warning-icon {
  background: var(--ufe-warning-soft);
  color: var(--ufe-warning);
  font-size: 1.6rem;
}

.ufe-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.ufe-live-strip,
.ufe-live-total,
.ufe-live-detail {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.ufe-live-strip {
  justify-content: space-between;
  border: 1px solid color-mix(in srgb, var(--ufe-success) 35%, var(--ufe-border));
  border-radius: 18px;
  background: var(--ufe-success-soft);
  padding: 13px 16px;
}

.ufe-live-total > span:not(.ufe-live-dot) {
  display: grid;
  line-height: 1.15;
}

.ufe-live-total small {
  color: var(--ufe-muted);
  font-size: .72rem;
}

.ufe-live-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ufe-success);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--ufe-success) 18%, transparent);
  animation: ufe-live-pulse 1.8s ease-in-out infinite;
}

.ufe-live-number {
  font-family: "Rajdhani", sans-serif;
  font-size: 1.8rem;
  line-height: 1;
}

.ufe-live-detail span {
  border: 1px solid color-mix(in srgb, var(--ufe-success) 28%, var(--ufe-border));
  border-radius: 999px;
  background: var(--ufe-card);
  padding: 7px 11px;
  font-size: .84rem;
}

@keyframes ufe-live-pulse {
  50% {
    opacity: .48;
    transform: scale(.78);
  }
}

.ufe-stat {
  display: grid;
  gap: 4px;
  border: 1px solid var(--ufe-border);
  border-radius: 16px;
  background: var(--ufe-soft);
  padding: 14px;
}

.ufe-stat strong {
  font-size: 1.25rem;
}

.ufe-progress {
  width: 100%;
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--ufe-soft);
}

.ufe-progress > span {
  display: block;
  height: 100%;
  background: var(--ufe-primary);
  transition: width .2s ease;
}

.ufe-countdown {
  text-align: center;
  font-family: "Rajdhani", sans-serif;
  font-size: clamp(3rem, 13vw, 6rem);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.ufe-code {
  font-family: "Rajdhani", sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: .08em;
}

.ufe-exam-layout {
  display: grid;
  grid-template-columns: minmax(160px, 188px) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}

.ufe-navigator {
  position: sticky;
  top: 86px;
  display: grid;
  gap: 10px;
}

.ufe-course-groups {
  max-height: 580px;
  overflow-y: auto;
  padding-right: 3px;
}

.ufe-course-group {
  display: grid;
  gap: 7px;
}

.ufe-course-title {
  color: var(--ufe-muted);
  font-size: .78rem;
  font-weight: 800;
}

.ufe-q-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
}

.ufe-q-btn {
  min-width: 0;
  min-height: 34px;
  border: 1px solid var(--ufe-border);
  border-radius: 9px;
  background: var(--ufe-soft);
  color: var(--ufe-text);
  font-weight: 800;
  cursor: pointer;
}

.ufe-q-btn[aria-current="true"] {
  border-color: var(--ufe-primary);
  background: var(--ufe-primary);
  color: #fff;
}

.ufe-q-btn.is-answered {
  box-shadow: inset 0 -3px 0 var(--ufe-success);
}

.ufe-question {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.ufe-question-copy {
  font-size: clamp(1rem, 2vw, 1.09rem);
  line-height: 1.62;
  font-weight: 700;
}

.ufe-equation-stack,
.ufe-statement-list,
.ufe-parametric-list {
  display: grid;
  gap: 8px;
  margin: 14px 0 4px;
  padding: 14px 16px;
  border: 1px solid var(--ufe-border);
  border-radius: 14px;
  background: var(--ufe-soft);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.08em;
  font-weight: 500;
}

.ufe-parametric-list span {
  display: block;
  padding-block: 3px;
  line-height: 1.55;
}

.ufe-equation-stack > .ufe-equation-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  align-items: baseline;
}

.ufe-equation-body {
  display: inline;
  white-space: normal;
  word-spacing: normal;
}

.ufe-radical {
  display: inline-flex;
  align-items: flex-start;
  white-space: nowrap;
  font-size: 1.12em;
  line-height: 1;
}

.ufe-radicand {
  display: inline-block;
  margin-left: 1px;
  padding: 2px 4px 0;
  border-top: 1.7px solid currentColor;
  font-size: .9em;
}

.ufe-display-equation {
  display: block;
  width: fit-content;
  max-width: 100%;
  margin: 14px auto 2px;
  padding: 10px 16px;
  border-radius: 12px;
  background: var(--ufe-soft);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.12em;
  font-weight: 500;
  overflow-wrap: anywhere;
}

.ufe-display-equation small {
  display: block;
  margin-top: 5px;
  text-align: center;
  color: var(--ufe-muted);
  font-family: inherit;
}

.ufe-frac {
  display: inline-grid;
  grid-template-rows: auto auto;
  margin-inline: 4px;
  vertical-align: middle;
  text-align: center;
  line-height: 1.05;
}

.ufe-frac > span:first-child {
  padding: 0 5px 3px;
  border-bottom: 1.6px solid currentColor;
}

.ufe-frac > span:last-child {
  padding-top: 3px;
}

.ufe-overline {
  display: inline-block;
  border-top: 1.6px solid currentColor;
  line-height: 1.05;
}

.ufe-data-table-wrap {
  width: min(100%, 520px);
  overflow-x: auto;
}

.ufe-data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--ufe-card);
  font-size: clamp(.94rem, 2vw, 1.05rem);
  text-align: center;
}

.ufe-data-table th,
.ufe-data-table td {
  padding: 9px 14px;
  border: 1px solid var(--ufe-primary);
}

.ufe-data-table th {
  background: var(--ufe-primary-soft);
  color: var(--ufe-text);
  font-weight: 800;
}

.ufe-passage {
  border-left: 4px solid var(--ufe-primary);
  background: var(--ufe-soft);
  padding: 14px 16px;
  line-height: 1.65;
}

.ufe-question-visual {
  display: grid;
  place-items: center;
  min-height: 90px;
  color: var(--ufe-text);
}

.ufe-question-visual svg {
  width: min(100%, 500px);
  height: auto;
}

.ufe-source-question-image {
  display: block;
  width: min(100%, 520px);
  height: auto;
  border: 1px solid var(--ufe-border);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 12px 30px rgba(15, 35, 61, .10);
}

.ufe-question-visual .ufe-main-diagram {
  width: min(100%, 680px);
}

.ufe-graph-choice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: min(100%, 680px);
  gap: 10px;
}

.ufe-graph-choice-grid figure {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  align-items: start;
  margin: 0;
  padding: 8px;
  border: 1px solid var(--ufe-border);
  border-radius: 12px;
  background: var(--ufe-soft);
}

.ufe-graph-choice-grid figure:last-child {
  grid-column: 1 / -1;
  width: calc(50% - 5px);
  justify-self: center;
}

.ufe-graph-choice-grid svg {
  width: 100%;
  min-width: 0;
  color: var(--ufe-text);
}

.ufe-graph-choice-grid svg > path,
.ufe-graph-choice-grid svg > circle,
.ufe-graph-choice-grid svg > ellipse {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.ufe-graph-choice-grid svg text {
  fill: currentColor;
  font-size: 12px;
}

.ufe-options {
  border: 0;
  margin: 0;
  padding: 0;
}

.ufe-option {
  display: flex;
  align-items: center;
  gap: 11px;
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--ufe-border);
  border-radius: 13px;
  background: var(--ufe-soft);
  color: var(--ufe-text);
  padding: 10px 13px;
  text-align: left;
  font: inherit;
  cursor: pointer;
}

.ufe-option[aria-pressed="true"] {
  border-color: var(--ufe-primary);
  background: var(--ufe-primary-soft);
}

.ufe-option-letter {
  flex: 0 0 28px;
  font-family: "Rajdhani", sans-serif;
  font-weight: 700;
}

.ufe-matrix {
  display: inline-grid;
  grid-template-columns: repeat(2, auto);
  gap: 1px 10px;
  margin-inline: 4px;
  padding: 1px 8px;
  border-left: 2px solid currentColor;
  border-right: 2px solid currentColor;
  vertical-align: middle;
  text-align: center;
}

.ufe-matrix-equation {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: center;
  width: min(100%, 620px);
  padding: 16px;
  border: 1px solid var(--ufe-border);
  border-radius: 16px;
  background: var(--ufe-soft);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.18rem;
}

.ufe-matrix-choice-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(120px, 1fr));
  gap: 12px;
  width: min(100%, 680px);
}

.ufe-matrix-choice-grid > div {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: center;
  min-height: 90px;
  padding: 12px;
  border: 1px solid var(--ufe-border);
  border-radius: 14px;
  background: var(--ufe-card);
}

.ufe-sum {
  display: inline-grid;
  grid-template-rows: auto auto auto;
  margin-inline: 7px;
  vertical-align: middle;
  text-align: center;
  line-height: .86;
}

.ufe-sum b {
  font-size: 1.8em;
  font-weight: 500;
}

.ufe-sum span {
  font-size: .68em;
}

.ufe-admin-list {
  margin-top: 4px;
}

.ufe-admin-row {
  border-top: 1px solid var(--ufe-border);
  padding-top: 12px;
}

.ufe-admin-person {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.ufe-admin-person small {
  color: var(--ufe-muted);
  overflow-wrap: anywhere;
}

.ufe-table-wrap {
  width: 100%;
  overflow-x: auto;
}

.ufe-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .88rem;
}

.ufe-table th,
.ufe-table td {
  border-bottom: 1px solid var(--ufe-border);
  padding: 10px 8px;
  text-align: left;
  vertical-align: top;
}

.ufe-table th {
  color: var(--ufe-muted);
  font-family: "Rajdhani", sans-serif;
  font-weight: 700;
}

.ufe-ranking-table {
  min-width: 920px;
}

.ufe-ranking-table tr.is-blocked {
  background: var(--ufe-danger-soft);
}

.ufe-ranking-score strong,
.ufe-ranking-score span,
.ufe-ranking-note,
.ufe-ranking-note > span,
.ufe-ranking-note > small {
  display: block;
}

.ufe-ranking-score strong {
  font-family: "Rajdhani", sans-serif;
  font-size: 1.08rem;
}

.ufe-ranking-score span,
.ufe-ranking-note > small {
  color: var(--ufe-muted);
  font-size: .76rem;
}

.ufe-ranking-note {
  min-width: 210px;
}

.ufe-ranking-note .ufe-actions {
  margin-top: 7px;
}

.ufe-ranking-note .ufe-btn {
  min-height: 34px;
  padding: 6px 9px;
}

.ufe-course-score {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 8px;
}

.ufe-course-score > div {
  border: 1px solid var(--ufe-border);
  border-radius: 12px;
  background: var(--ufe-soft);
  padding: 10px;
}

.ufe-course-score strong,
.ufe-course-score span {
  display: block;
}

.ufe-course-score span {
  margin-top: 3px;
  color: var(--ufe-muted);
  font-size: .82rem;
}

.ufe-review-list {
  display: grid;
  gap: 9px;
}

.ufe-review-item {
  border: 1px solid var(--ufe-border);
  border-radius: 14px;
  background: var(--ufe-soft);
  overflow: hidden;
}

.ufe-review-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  cursor: pointer;
  list-style: none;
}

.ufe-review-item summary::-webkit-details-marker {
  display: none;
}

.ufe-review-item summary strong,
.ufe-review-item summary small,
.ufe-review-answers span,
.ufe-review-answers strong {
  display: block;
}

.ufe-review-item summary small,
.ufe-review-answers span,
.ufe-review-source {
  color: var(--ufe-muted);
  font-size: .78rem;
}

.ufe-review-body {
  display: grid;
  gap: 12px;
  border-top: 1px solid var(--ufe-border);
  padding: 14px;
  line-height: 1.55;
}

.ufe-review-body p {
  margin: 4px 0 0;
}

.ufe-review-answers {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}

.ufe-review-answers p {
  border: 1px solid var(--ufe-border);
  border-radius: 11px;
  background: var(--ufe-card);
  padding: 10px;
}

.ufe-error {
  border: 1px solid color-mix(in srgb, var(--ufe-danger) 38%, var(--ufe-border));
  border-radius: 14px;
  background: var(--ufe-danger-soft);
  color: var(--ufe-danger);
  padding: 12px 14px;
}

@media (max-width: 850px) {
  .ufe-stats {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .ufe-review-answers {
    grid-template-columns: 1fr;
  }

  .ufe-matrix-choice-grid {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
  }

  .ufe-admin-exam-picker {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  #uni-final-app {
    padding-inline: 10px;
  }

  .ufe-topbar {
    align-items: flex-start;
  }

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

  .ufe-navigator {
    position: static;
  }

  .ufe-course-groups {
    max-height: 230px;
  }

  .ufe-card {
    border-radius: 17px;
  }
}

@media (max-width: 430px) {
  .ufe-matrix-choice-grid {
    grid-template-columns: 1fr;
  }

  .ufe-graph-choice-grid {
    grid-template-columns: 1fr;
  }

  .ufe-graph-choice-grid figure:last-child {
    grid-column: auto;
    width: 100%;
  }

  .ufe-equation-stack > .ufe-equation-row {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px;
  }

  .ufe-live-strip,
  .ufe-live-total,
  .ufe-live-detail {
    align-items: flex-start;
  }

  .ufe-live-detail {
    width: 100%;
  }

  .ufe-actions,
  .ufe-question-actions {
    width: 100%;
  }

  .ufe-actions .ufe-btn,
  .ufe-question-actions .ufe-btn {
    flex: 1 1 auto;
  }

  .ufe-meta {
    align-items: flex-start;
  }
}

html[data-universe-animations="off"] :where(.ufe-btn,.ufe-progress > span) { transition:none; }
html[data-universe-animations="off"] .ufe-live-dot { animation:none; }