:root {
  --bg: #07131b;
  --bg-soft: #0d2230;
  --surface: rgba(12, 31, 43, 0.9);
  --surface-strong: rgba(17, 42, 58, 0.96);
  --surface-alt: rgba(23, 55, 74, 0.94);
  --line: rgba(198, 231, 247, 0.12);
  --line-strong: rgba(198, 231, 247, 0.24);
  --text: #f5fbff;
  --muted: #9cb8c8;
  --accent: #56d1b3;
  --accent-warm: #ffb571;
  --accent-gold: #ffd56a;
  --danger: #ff8a8a;
  --shadow: 0 26px 70px rgba(0, 0, 0, 0.28);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  font-family: "Aptos", "Trebuchet MS", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(86, 209, 179, 0.18), transparent 32%),
    radial-gradient(circle at top right, rgba(255, 181, 113, 0.16), transparent 30%),
    linear-gradient(160deg, #061019 0%, #091a25 48%, #0b2230 100%);
  color: var(--text);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(circle at center, black 40%, transparent 95%);
}

button,
input,
select {
  font: inherit;
}

a {
  color: var(--accent);
}

[hidden] {
  display: none !important;
}

button {
  cursor: pointer;
}

.site-shell {
  max-width: 1720px;
  margin: 0 auto;
  padding: 24px;
  display: grid;
  grid-template-columns: 290px 1fr;
  gap: 24px;
}

.main-stage,
.content-stack,
.side-stack,
.view-panel,
.quick-card,
.quick-long-card,
.queue-shell {
  min-width: 0;
}

.surface {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.rail {
  position: sticky;
  top: 24px;
  align-self: start;
  padding: 22px;
  display: grid;
  gap: 18px;
}

.rail-block {
  display: grid;
  gap: 12px;
}

.brand-block h1,
.hero-panel h2,
.section-heading h3,
.feature-card h4,
.queue-shell h4,
.atlas-sidebar h4,
.focus-card h4,
.review-card h4,
.glossary-card h4,
.queue-card h4,
.note-card h4 {
  margin: 0;
  font-family: Georgia, Cambria, serif;
  letter-spacing: -0.03em;
}

.brand-block h1 {
  font-size: 2rem;
}

.hero-panel h2 {
  font-size: clamp(2rem, 3vw, 3.2rem);
  line-height: 1;
  overflow-wrap: anywhere;
}

.rail-copy,
.hero-copy-block p,
.feature-card p,
.queue-shell p,
.atlas-sidebar p,
.review-card p,
.glossary-card p,
.note-card p,
.mini-copy,
.system-row p,
.confidence-row p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.eyebrow,
.block-label,
.status-label,
.glossary-system {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--accent);
}

.block-row,
.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.section-heading.compact {
  margin-bottom: 10px;
}

.badge {
  border: 1px solid rgba(255, 213, 106, 0.4);
  color: var(--accent-gold);
  background: rgba(255, 213, 106, 0.08);
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 0.82rem;
}

.view-nav {
  display: grid;
  gap: 10px;
}

.nav-btn,
.system-pill,
.mini-btn,
.ghost-btn,
.ghost-icon,
.pill-action,
.legend-btn,
.tab-pill,
.score-chip {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
  border-radius: 16px;
  transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}

.nav-btn,
.system-pill,
.tab-pill {
  padding: 12px 14px;
}

.nav-btn {
  text-align: left;
}

.nav-btn:hover,
.system-pill:hover,
.mini-btn:hover,
.ghost-btn:hover,
.ghost-icon:hover,
.pill-action:hover,
.legend-btn:hover,
.tab-pill:hover,
.score-chip:hover {
  transform: translateY(-1px);
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.08);
}

.nav-btn.is-active,
.system-pill.is-active,
.tab-pill.is-active,
.mini-btn.is-active,
.legend-btn.is-active,
.ghost-icon.is-active {
  background: rgba(86, 209, 179, 0.16);
  border-color: rgba(86, 209, 179, 0.45);
}

.system-pills {
  display: grid;
  gap: 10px;
}

.system-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.system-pill small {
  color: var(--muted);
}

.mini-btn,
.ghost-btn,
.ghost-icon,
.pill-action {
  padding: 10px 14px;
}

.primary-btn {
  padding: 12px 16px;
  border-radius: 16px;
  border: 1px solid rgba(86, 209, 179, 0.45);
  background: linear-gradient(135deg, rgba(86, 209, 179, 0.24), rgba(86, 209, 179, 0.06));
  color: var(--text);
}

.hero-panel {
  padding: 28px;
  display: grid;
  gap: 20px;
}

.hero-actions,
.hero-metrics,
.chip-cluster,
.action-row,
.atlas-tabs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.hero-metrics {
  gap: 14px;
}

.metric-pill {
  min-width: 130px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
}

.metric-pill span,
.kpi-card p,
.mini-stat span,
.status-chip {
  display: block;
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.metric-pill strong,
.kpi-card strong,
.mini-stat strong {
  display: block;
  margin-top: 8px;
  font-size: 1.4rem;
  color: var(--text);
}

.workspace-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 320px);
  gap: 24px;
}

.content-stack,
.side-stack {
  display: grid;
  gap: 24px;
}

.view-panel,
.side-card {
  padding: 24px;
}

.view-panel {
  display: none;
}

.view-panel.is-active {
  display: block;
}

.dashboard-grid,
.review-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-card {
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 20px;
  display: grid;
  gap: 16px;
}

.feature-wide {
  grid-column: 1 / -1;
}

.bullet-list,
.number-list {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  display: grid;
  gap: 10px;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.kpi-card,
.mini-stat {
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  padding: 16px;
}

.kpi-card span {
  color: var(--muted);
  line-height: 1.5;
}

.system-row {
  display: grid;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.system-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.system-row-actions {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
}

.confidence-track {
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  overflow: hidden;
}

.confidence-track span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-warm));
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 0.86rem;
}

.chip-soft {
  color: var(--accent-gold);
  border-color: rgba(255, 213, 106, 0.22);
}

.controls-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.control {
  display: grid;
  gap: 8px;
}

.control span {
  font-size: 0.82rem;
  color: var(--muted);
}

.control select,
.control input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.quiz-layout {
  margin-top: 20px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 18px;
}

.quick-roll-layout {
  margin-top: 20px;
  display: grid;
  grid-template-columns: minmax(560px, 1fr) minmax(260px, 300px);
  gap: 18px;
}

.quick-long-layout {
  margin-top: 20px;
  display: grid;
  gap: 16px;
}

.quick-long-list {
  display: grid;
  gap: 14px;
}

.quiz-card,
.quick-card,
.queue-shell,
.focus-card {
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 20px;
}

.quick-long-card {
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
}

.quiz-card,
.quick-card,
.quick-long-card {
  display: grid;
  align-content: start;
  gap: 18px;
}

.support-shell {
  padding: 18px;
  border-radius: 20px;
  border: 1px solid rgba(255, 213, 106, 0.2);
  background: rgba(255, 213, 106, 0.05);
  display: grid;
  gap: 14px;
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.support-card {
  padding: 14px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  display: grid;
  gap: 10px;
}

.support-card h5,
.figure-gallery h5 {
  margin: 0;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent-gold);
}

.quiz-topline {
  display: flex;
  justify-content: space-between;
  gap: 16px;
}

.quiz-topline h4 {
  font-size: 1.45rem;
  line-height: 1.15;
}

.quick-long-card .quiz-topline h4 {
  font-size: 1.12rem;
  line-height: 1.35;
}

.answer-card {
  border-radius: 20px;
  border: 1px dashed rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.03);
  padding: 18px;
  color: var(--muted);
  opacity: 0.38;
  transform: translateY(4px);
  transition: opacity 0.16s ease, transform 0.16s ease;
}

.answer-card.is-visible {
  opacity: 1;
  transform: translateY(0);
  color: var(--text);
}

.quick-choice-shell {
  display: grid;
  gap: 12px;
  min-height: 74px;
}

.quick-think-card,
.choice-feedback {
  border-radius: 14px;
  border: 1px dashed rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  padding: 12px 14px;
}

.quick-think-card {
  display: grid;
  gap: 4px;
}

.quick-think-card span {
  color: var(--accent-gold);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.quick-think-card p,
.choice-feedback {
  margin: 0;
  line-height: 1.45;
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.choice-btn {
  min-height: 58px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.045);
  color: var(--text);
  cursor: pointer;
  padding: 12px 14px;
  text-align: left;
  transition: background 0.16s ease, border-color 0.16s ease, transform 0.16s ease;
}

.choice-btn:hover,
.choice-btn:focus-visible {
  border-color: rgba(86, 209, 179, 0.42);
  background: rgba(86, 209, 179, 0.08);
  transform: translateY(-1px);
}

.choice-btn span {
  display: block;
  font-weight: 800;
  line-height: 1.2;
  overflow-wrap: anywhere;
}

.choice-btn.is-selected {
  border-color: rgba(255, 211, 106, 0.72);
  background: rgba(255, 211, 106, 0.11);
}

.choice-btn.is-correct {
  border-color: rgba(86, 209, 179, 0.72);
  background: rgba(86, 209, 179, 0.14);
}

.choice-btn.is-incorrect {
  border-color: rgba(255, 119, 119, 0.72);
  background: rgba(255, 119, 119, 0.12);
}

.choice-feedback {
  border-style: solid;
}

.choice-feedback.is-muted {
  border-style: dashed;
}

.quick-answer {
  border-radius: 20px;
  border: 1px solid rgba(86, 209, 179, 0.2);
  background: rgba(86, 209, 179, 0.05);
  padding: 18px;
  display: none;
  gap: 14px;
}

.quick-answer.is-visible {
  display: grid;
}

.quick-answer h4 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 3.4rem);
  line-height: 1;
  letter-spacing: 0;
}

.quick-long-card .quick-answer h4 {
  font-size: clamp(1.2rem, 2.4vw, 1.8rem);
  line-height: 1.12;
}

.quick-detail-list {
  margin: 0;
  display: grid;
  gap: 12px;
}

.quick-detail-list div {
  display: grid;
  gap: 4px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.quick-detail-list dt {
  color: var(--accent-gold);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.quick-detail-list dd {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.quick-figure-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.quick-figure-card {
  margin: 0;
  padding: 10px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  display: grid;
  gap: 8px;
}

.quick-figure-card img {
  width: 100%;
  max-height: 180px;
  object-fit: contain;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.94);
}

.quick-figure-card figcaption {
  color: var(--muted);
  font-size: 0.86rem;
}

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

.score-chip {
  padding: 14px;
  text-align: center;
}

.score-chip.easy {
  border-color: rgba(86, 209, 179, 0.32);
}

.score-chip.shaky {
  border-color: rgba(255, 213, 106, 0.32);
}

.score-chip.hard {
  border-color: rgba(255, 138, 138, 0.32);
}

.quick-long-actions {
  display: grid;
  grid-template-columns: minmax(140px, 180px) minmax(0, 1fr);
  align-items: center;
  gap: 12px;
}

.score-chip:disabled,
.choice-btn:disabled,
.ghost-icon:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

.queue-list,
.legend-list {
  display: grid;
  gap: 12px;
}

.queue-card,
.review-card,
.note-card {
  padding: 14px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
  display: grid;
  gap: 10px;
}

.ladder-card {
  padding: 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  display: grid;
  gap: 12px;
}

.ladder-card.is-active {
  border-color: rgba(86, 209, 179, 0.35);
  background: rgba(86, 209, 179, 0.08);
}

.queue-card.is-current {
  border-color: rgba(86, 209, 179, 0.36);
  background: rgba(86, 209, 179, 0.08);
}

.note-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.82rem;
}

.status-chip {
  width: fit-content;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  letter-spacing: 0.08em;
}

.status-chip.easy {
  color: var(--accent);
}

.status-chip.shaky {
  color: var(--accent-gold);
}

.status-chip.hard {
  color: var(--danger);
}

.status-chip.heavy {
  color: var(--danger);
}

.status-chip.moderate {
  color: var(--accent-gold);
}

.status-chip.light {
  color: var(--accent);
}

.status-chip.challenge {
  color: #d3b5ff;
}

.status-chip.current {
  color: var(--accent);
}

.status-chip.queued,
.status-chip.new {
  color: var(--muted);
}

.glossary-controls {
  grid-template-columns: minmax(220px, 280px) 1fr;
}

.glossary-grid {
  margin-top: 18px;
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.glossary-card {
  padding: 18px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  display: grid;
  gap: 10px;
}

.atlas-tabs {
  margin-top: 18px;
}

.atlas-shell {
  margin-top: 18px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 18px;
}

.atlas-stage,
.atlas-sidebar {
  border-radius: 22px;
  border: 1px solid var(--line);
  background: var(--surface-strong);
}

.atlas-stage {
  padding: 18px;
  min-height: 580px;
  display: grid;
  place-items: center;
}

.atlas-stage svg {
  width: 100%;
  max-width: 620px;
  height: auto;
}

.atlas-sidebar {
  padding: 20px;
  display: grid;
  gap: 16px;
}

.figure-gallery {
  display: grid;
  gap: 12px;
}

.figure-card {
  margin: 0;
  padding: 12px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
  display: grid;
  gap: 10px;
}

.figure-card img {
  width: 100%;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.94);
  object-fit: contain;
}

.figure-card figcaption {
  display: grid;
  gap: 6px;
}

.figure-card figcaption strong {
  color: var(--text);
}

.figure-card figcaption span {
  color: var(--muted);
  line-height: 1.5;
}

.legend-btn {
  text-align: left;
  padding: 10px 12px;
}

.labels-hidden .diagram-label {
  opacity: 0;
}

.body-shell,
.panel-shell {
  fill: rgba(255, 255, 255, 0.03);
  stroke: rgba(198, 231, 247, 0.12);
  stroke-width: 2;
}

.diagram-part {
  cursor: pointer;
}

.diagram-shape,
.diagram-detail {
  transition: filter 0.16s ease, opacity 0.16s ease, stroke 0.16s ease;
}

.diagram-shape {
  stroke: rgba(7, 19, 27, 0.45);
  stroke-width: 2;
}

.diagram-detail {
  fill: none;
  stroke: rgba(7, 19, 27, 0.35);
  stroke-width: 3;
  stroke-linecap: round;
}

.diagram-label,
.figure-heading {
  fill: var(--text);
  font-family: "Aptos", "Trebuchet MS", sans-serif;
  font-size: 16px;
}

.figure-heading {
  font-size: 18px;
  letter-spacing: 0.08em;
}

.diagram-part.is-active .diagram-shape,
.diagram-part:hover .diagram-shape {
  filter: drop-shadow(0 0 16px rgba(255, 213, 106, 0.28));
  stroke: rgba(255, 255, 255, 0.88);
}

.pulse-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.confidence-row {
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.confidence-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.confidence-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.empty-state {
  margin: 0;
  color: var(--muted);
}

.redirect-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.redirect-card {
  max-width: 520px;
  padding: 32px;
  display: grid;
  gap: 14px;
  text-align: center;
}

kbd {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-size: 0.82rem;
}

@media (max-width: 1500px) {
  .site-shell,
  .workspace-grid,
  .quiz-layout,
  .atlas-shell {
    grid-template-columns: 1fr;
  }

  .rail {
    position: static;
    grid-template-columns: minmax(220px, 0.8fr) minmax(360px, 1.4fr) minmax(260px, 1fr);
    align-items: start;
  }

  .rail-note {
    grid-column: 1 / -1;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 18px;
  }

  .rail-note .block-label {
    flex-basis: 100%;
  }

  .view-nav {
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  }

  .nav-btn {
    text-align: center;
  }

  .system-pills {
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  }
}

@media (max-width: 1280px) {
  .site-shell {
    max-width: 1120px;
  }

  .side-stack {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 1100px) {
  .quick-roll-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .choice-grid {
    grid-template-columns: 1fr;
  }

  .choice-btn {
    min-height: 52px;
  }

  .quick-long-actions {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .site-shell {
    padding: 16px;
  }

  .rail {
    grid-template-columns: 1fr;
  }

  .view-nav,
  .system-pills {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  }

  .hero-panel,
  .view-panel,
  .side-card,
  .rail {
    padding: 18px;
  }

  .dashboard-grid,
  .review-grid,
  .kpi-grid,
  .controls-grid,
  .glossary-controls,
  .support-grid,
  .score-grid,
  .pulse-grid,
  .side-stack {
    grid-template-columns: 1fr;
  }

  .quiz-topline,
  .section-heading,
  .block-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-metrics,
  .hero-actions,
  .chip-cluster,
  .action-row,
  .atlas-tabs {
    width: 100%;
  }

  .pill-action,
  .primary-btn,
  .ghost-btn,
  .mini-btn,
  .ghost-icon {
    width: 100%;
  }
}

@media (max-width: 600px) {
  .view-nav,
  .system-pills {
    grid-template-columns: 1fr;
  }

  .hero-panel h2 {
    font-size: 1.75rem;
    line-height: 1.05;
  }

  .brand-block h1 {
    font-size: 1.8rem;
  }
}