:root {
  color-scheme: light;
  --ink: #172033;
  --muted: #455266;
  --paper: #ffffff;
  --soft: #f7f8f3;
  --line: #d9e1df;
  --brand: #174d43;
  --brand-strong: #0f372f;
  --gold: #f4b340;
  --gold-dark: #8a5600;
  --sky: #e7f3f8;
  --coral: #c9513d;
  --shadow: 0 18px 40px rgb(23 32 51 / 10%);
  --radius: 8px;
  --container: 1120px;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Segoe UI", Arial, sans-serif;
  font-size: 18px;
  line-height: 1.65;
  letter-spacing: 0;
}

body.nav-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--brand);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--coral);
}

button,
input,
select,
textarea {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 0.75rem;
  z-index: 100;
  transform: translateY(-150%);
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--paper);
  padding: 0.6rem 0.9rem;
  text-decoration: none;
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: rgb(255 255 255 / 96%);
  backdrop-filter: blur(12px);
}

.header-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 74px;
  width: min(100% - 2rem, 1240px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink);
  text-decoration: none;
  min-width: 0;
}

.brand-mark {
  display: grid;
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  place-items: center;
  border: 2px solid var(--brand);
  border-radius: 50%;
  background: var(--soft);
  color: var(--brand);
  font-size: 1rem;
  font-weight: 800;
}

.brand-name {
  display: block;
  color: var(--brand-strong);
  font-size: clamp(1.25rem, 3vw, 1.55rem);
  font-weight: 800;
  line-height: 1.1;
}

.brand-tagline {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.25;
}

.nav-toggle {
  display: inline-grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  cursor: pointer;
}

.nav-toggle:hover {
  border-color: var(--brand);
}

.menu-lines,
.menu-lines::before,
.menu-lines::after {
  display: block;
  width: 22px;
  height: 2px;
  border-radius: 99px;
  background: currentColor;
  content: "";
}

.menu-lines {
  position: relative;
}

.menu-lines::before,
.menu-lines::after {
  position: absolute;
  left: 0;
}

.menu-lines::before {
  top: -7px;
}

.menu-lines::after {
  top: 7px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.primary-navigation {
  position: fixed;
  inset: 74px 0 auto 0;
  display: none;
  max-height: calc(100svh - 74px);
  overflow-y: auto;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.primary-navigation.is-open {
  display: block;
}

.nav-list,
.footer-links,
.check-list,
.notice-list,
.contact-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list {
  display: grid;
  gap: 0.15rem;
  padding: 1rem;
}

.nav-list a {
  display: block;
  border-radius: var(--radius);
  color: var(--ink);
  font-size: 1rem;
  font-weight: 700;
  padding: 0.72rem 0.85rem;
  text-decoration: none;
}

.nav-list a:hover,
.nav-list a[aria-current="page"] {
  background: var(--sky);
  color: var(--brand-strong);
}

.nav-actions {
  display: grid;
  gap: 0.6rem;
  padding: 0 1rem 1rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border: 2px solid transparent;
  border-radius: var(--radius);
  padding: 0.66rem 1rem;
  color: var(--paper);
  background: var(--brand);
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
}

.button:hover {
  color: var(--paper);
  background: var(--brand-strong);
}

.button-secondary {
  border-color: var(--brand);
  color: var(--brand-strong);
  background: var(--paper);
}

.button-secondary:hover {
  color: var(--paper);
  background: var(--brand);
}

.button-gold {
  color: var(--ink);
  background: var(--gold);
}

.button-gold:hover {
  color: var(--paper);
  background: var(--gold-dark);
}

.button-light {
  border-color: rgb(255 255 255 / 70%);
  color: var(--paper);
  background: rgb(255 255 255 / 13%);
}

.button-light:hover {
  color: var(--ink);
  background: var(--paper);
}

.hero {
  position: relative;
  display: grid;
  min-height: clamp(420px, 62svh, 620px);
  overflow: hidden;
  background: var(--brand-strong);
  color: var(--paper);
}

.page-hero {
  min-height: 360px;
}

.hero-media {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgb(7 35 30 / 90%), rgb(7 35 30 / 63%), rgb(7 35 30 / 28%));
  content: "";
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: center;
  gap: 1rem;
  max-width: 760px;
  padding-block: 3.5rem;
}

.eyebrow {
  margin: 0;
  color: var(--gold);
  font-size: 0.86rem;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.16;
}

h1 {
  font-size: clamp(2.45rem, 8vw, 5.1rem);
}

.page-hero h1 {
  font-size: clamp(2.25rem, 8vw, 4rem);
}

h2 {
  font-size: clamp(1.65rem, 5vw, 2.5rem);
}

h3 {
  font-size: clamp(1.15rem, 4vw, 1.45rem);
}

p {
  margin: 0;
}

.lead {
  max-width: 68ch;
  color: #eef7f3;
  font-size: clamp(1.1rem, 3.4vw, 1.35rem);
  line-height: 1.55;
}

.section {
  padding-block: clamp(2.75rem, 7vw, 5rem);
}

.section-soft {
  background: var(--soft);
}

.section-sky {
  background: var(--sky);
}

.section-header {
  display: grid;
  gap: 0.7rem;
  max-width: 760px;
  margin-bottom: 1.8rem;
}

.section-header p,
.muted {
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 1rem;
}

.grid-2,
.grid-3,
.grid-4 {
  grid-template-columns: 1fr;
}

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  padding: 1.2rem;
  box-shadow: 0 10px 24px rgb(23 32 51 / 6%);
}

.card h3 {
  margin-bottom: 0.45rem;
}

.feature-card {
  min-height: 100%;
}

.stat-card {
  display: grid;
  gap: 0.2rem;
  background: var(--brand);
  color: var(--paper);
}

.stat-card strong {
  font-size: clamp(2rem, 7vw, 3rem);
  line-height: 1;
}

.stat-card span {
  color: #dcece8;
  font-weight: 700;
}

.split {
  display: grid;
  gap: 1.6rem;
  align-items: center;
}

.split-image {
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--soft);
}

.split-image img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.check-list {
  display: grid;
  gap: 0.7rem;
}

.check-list li {
  position: relative;
  padding-left: 1.8rem;
}

.check-list li::before {
  position: absolute;
  left: 0;
  top: 0.13rem;
  display: grid;
  width: 1.2rem;
  height: 1.2rem;
  place-items: center;
  border-radius: 50%;
  background: var(--gold);
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 900;
  content: "";
}

.check-list li::after {
  position: absolute;
  left: 0.36rem;
  top: 0.52rem;
  width: 0.48rem;
  height: 0.26rem;
  border-bottom: 3px solid var(--ink);
  border-left: 3px solid var(--ink);
  content: "";
  transform: rotate(-45deg);
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.info-table th,
.info-table td {
  border-bottom: 1px solid var(--line);
  padding: 0.85rem;
  text-align: left;
  vertical-align: top;
}

.info-table tr:last-child th,
.info-table tr:last-child td {
  border-bottom: 0;
}

.info-table th {
  width: 36%;
  color: var(--brand-strong);
  background: var(--soft);
}

.quote-panel {
  border-left: 6px solid var(--gold);
  border-radius: var(--radius);
  background: var(--paper);
  padding: 1.3rem;
  box-shadow: var(--shadow);
}

.quote-panel p {
  font-size: clamp(1.12rem, 3vw, 1.35rem);
}

.signature {
  display: grid;
  gap: 0.15rem;
  margin-top: 1.2rem;
  color: var(--muted);
}

.signature strong {
  color: var(--ink);
}

.steps {
  counter-reset: step;
}

.step-card {
  position: relative;
  padding-top: 3.2rem;
}

.step-card::before {
  position: absolute;
  top: 1rem;
  left: 1rem;
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border-radius: 50%;
  background: var(--brand);
  color: var(--paper);
  font-weight: 900;
  counter-increment: step;
  content: counter(step);
}

.gallery-grid {
  display: grid;
  gap: 1rem;
}

.gallery-item {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.gallery-item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.gallery-item figcaption {
  padding: 0.8rem 0.9rem;
  color: var(--ink);
  font-weight: 800;
}

.notice-list {
  display: grid;
  gap: 1rem;
}

.notice-list li {
  display: grid;
  gap: 0.35rem;
  border: 1px solid var(--line);
  border-left: 6px solid var(--brand);
  border-radius: var(--radius);
  background: var(--paper);
  padding: 1rem;
}

.notice-date {
  color: var(--coral);
  font-size: 0.92rem;
  font-weight: 900;
}

.notice-title {
  color: var(--ink);
  font-weight: 900;
}

.cta-band {
  background: var(--brand-strong);
  color: var(--paper);
}

.cta-band .container {
  display: grid;
  gap: 1.2rem;
}

.cta-band p {
  color: #dcece8;
}

.contact-list {
  display: grid;
  gap: 0.8rem;
}

.contact-list a {
  font-weight: 800;
}

.map-placeholder {
  display: grid;
  min-height: 320px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--sky);
  color: var(--brand-strong);
  font-weight: 900;
  text-align: center;
  padding: 1.5rem;
}

.site-footer {
  background: #111b29;
  color: #eef2f1;
  padding-block: 2.5rem 1.4rem;
}

.footer-grid {
  display: grid;
  gap: 1.6rem;
}

.site-footer h2,
.site-footer h3 {
  color: var(--paper);
  font-size: 1.2rem;
}

.site-footer p,
.site-footer li {
  color: #d5ddd9;
}

.footer-links {
  display: grid;
  gap: 0.45rem;
}

.footer-links a {
  color: #eef2f1;
}

.footer-links a:hover {
  color: var(--gold);
}

.footer-bottom {
  margin-top: 2rem;
  border-top: 1px solid rgb(255 255 255 / 18%);
  padding-top: 1rem;
  color: #d5ddd9;
  font-size: 0.95rem;
}

@media (min-width: 680px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cta-band .container {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

@media (min-width: 900px) {
  body {
    font-size: 18px;
  }

  .split {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 2.4rem;
  }

  .split-reverse {
    grid-template-columns: 0.95fr 1.05fr;
  }

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

  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }

  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1.2fr 0.8fr 0.8fr 1fr;
  }
}

@media (min-width: 1280px) {
  .header-shell {
    min-height: 88px;
  }

  .nav-toggle {
    display: none;
  }

  .primary-navigation {
    position: static;
    display: flex;
    align-items: center;
    gap: 1rem;
    max-height: none;
    overflow: visible;
    border: 0;
    background: transparent;
    box-shadow: none;
  }

  .nav-list {
    display: flex;
    gap: 0.1rem;
    padding: 0;
  }

  .nav-list a {
    padding: 0.55rem 0.62rem;
    font-size: 0.9rem;
  }

  .nav-actions {
    display: flex;
    padding: 0;
  }

  .nav-actions .button {
    min-height: 42px;
    padding: 0.55rem 0.75rem;
    font-size: 0.88rem;
  }
}

@media (min-width: 1360px) {
  .nav-list a {
    font-size: 0.96rem;
    padding-inline: 0.78rem;
  }

  .nav-actions .button {
    padding-inline: 0.9rem;
  }
}

.quiz-page {
  --quiz-bg: #f6f8f2;
  --quiz-surface: #ffffff;
  --quiz-surface-strong: #f0f5ef;
  --quiz-ink: #101827;
  --quiz-muted: #39465a;
  --quiz-line: #cfdad5;
  --quiz-blue: #1769d1;
  --quiz-blue-soft: #e6f0ff;
  --quiz-green: #157347;
  --quiz-green-soft: #e7f7ee;
  --quiz-yellow: #a56000;
  --quiz-yellow-soft: #fff2d6;
  --quiz-red: #b42318;
  --quiz-red-soft: #fde7e4;
  --quiz-gray: #d7dce2;
  --quiz-gray-text: #1d2735;
  background: var(--quiz-bg);
  color: var(--quiz-ink);
}

.quiz-page[data-quiz-theme="dark"] {
  --quiz-bg: #0d141f;
  --quiz-surface: #141d2a;
  --quiz-surface-strong: #1d2a3b;
  --quiz-ink: #f7fbff;
  --quiz-muted: #d5deea;
  --quiz-line: #40506a;
  --quiz-blue: #7db4ff;
  --quiz-blue-soft: #16365e;
  --quiz-green: #7ee0a3;
  --quiz-green-soft: #133d2c;
  --quiz-yellow: #ffd36f;
  --quiz-yellow-soft: #4a320c;
  --quiz-red: #ff9f95;
  --quiz-red-soft: #51201d;
  --quiz-gray: #5a6678;
  --quiz-gray-text: #f4f7fb;
  color-scheme: dark;
}

.quiz-page[data-quiz-theme="dark"] .site-header {
  border-color: var(--quiz-line);
  background: rgb(13 20 31 / 96%);
}

.quiz-page[data-quiz-theme="dark"] .brand-name,
.quiz-page[data-quiz-theme="dark"] .nav-list a,
.quiz-page[data-quiz-theme="dark"] .brand-tagline {
  color: var(--quiz-ink);
}

.quiz-page[data-quiz-theme="dark"] .brand-mark,
.quiz-page[data-quiz-theme="dark"] .nav-toggle,
.quiz-page[data-quiz-theme="dark"] .primary-navigation {
  border-color: var(--quiz-line);
  background: var(--quiz-surface);
  color: var(--quiz-ink);
}

.quiz-page[data-quiz-theme="dark"] .nav-list a:hover,
.quiz-page[data-quiz-theme="dark"] .nav-list a[aria-current="page"] {
  background: var(--quiz-blue-soft);
  color: var(--quiz-ink);
}

.quiz-page .page-hero {
  min-height: 300px;
}

.quiz-page .hero-content {
  gap: 0.75rem;
  padding-block: 2.6rem;
}

.quiz-section {
  background: var(--quiz-bg);
  padding-block: 1.2rem 1.6rem;
}

.quiz-shell {
  display: grid;
  gap: 0.75rem;
}

.quiz-topbar,
.quiz-filters,
.quiz-panel,
.result-panel {
  border: 1px solid var(--quiz-line);
  border-radius: var(--radius);
  background: var(--quiz-surface);
  color: var(--quiz-ink);
  box-shadow: 0 12px 28px rgb(16 24 39 / 8%);
}

.quiz-topbar {
  display: grid;
  gap: 0.75rem;
  padding: 0.85rem;
}

.quiz-topbar h2 {
  color: var(--quiz-ink);
}

.quiz-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
}

.quiz-timer {
  display: inline-grid;
  min-width: 8.5rem;
  border: 1px solid var(--quiz-line);
  border-radius: var(--radius);
  background: var(--quiz-surface-strong);
  padding: 0.45rem 0.6rem;
  color: var(--quiz-muted);
}

.quiz-timer strong {
  color: var(--quiz-ink);
  font-size: 1.2rem;
  line-height: 1.1;
}

.quiz-theme-toggle {
  min-height: 42px;
  border: 2px solid var(--quiz-blue);
  border-radius: var(--radius);
  background: var(--quiz-surface);
  color: var(--quiz-ink);
  cursor: pointer;
  font-weight: 800;
  padding: 0.5rem 0.8rem;
}

.quiz-filters {
  display: grid;
  gap: 0.7rem;
  padding: 0.8rem;
}

.quiz-filters label {
  display: grid;
  gap: 0.3rem;
  color: var(--quiz-ink);
  font-weight: 800;
}

.quiz-filters select {
  width: 100%;
  min-height: 42px;
  border: 2px solid var(--quiz-line);
  border-radius: var(--radius);
  background: var(--quiz-surface);
  color: var(--quiz-ink);
  padding: 0.45rem 0.6rem;
}

.quiz-panel,
.result-panel {
  display: grid;
  gap: 0.75rem;
  padding: 0.85rem;
}

.tracker-wrap {
  position: sticky;
  top: 76px;
  z-index: 2;
  display: grid;
  gap: 0.5rem;
  border: 1px solid var(--quiz-line);
  border-radius: var(--radius);
  background: var(--quiz-surface);
  padding: 0.65rem;
}

.tracker-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
}

.tracker-button {
  display: inline-grid;
  width: 30px;
  height: 30px;
  min-width: 30px;
  min-height: 30px;
  align-items: center;
  justify-content: center;
  place-items: center;
  border: 2px solid transparent;
  border-radius: 6px;
  color: var(--quiz-gray-text);
  cursor: pointer;
  flex: 0 0 30px;
  font-size: 0.82rem;
  font-weight: 900;
  line-height: 1;
  padding: 0;
  text-align: center;
}

.tracker-unattempted {
  background: var(--quiz-gray);
}

.tracker-attempted {
  background: var(--quiz-green-soft);
  color: var(--quiz-green);
}

.tracker-skipped {
  background: var(--quiz-yellow-soft);
  color: var(--quiz-yellow);
}

.tracker-button.is-current {
  border-color: var(--quiz-blue);
  box-shadow: 0 0 0 3px var(--quiz-blue-soft);
}

.tracker-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.8rem;
  color: var(--quiz-muted);
  font-size: 0.9rem;
  font-weight: 700;
}

.tracker-legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.legend-dot {
  display: inline-block;
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 2px;
}

.legend-unattempted {
  background: var(--quiz-gray);
}

.legend-attempted {
  background: var(--quiz-green);
}

.legend-skipped {
  background: var(--quiz-yellow);
}

.question-card {
  display: grid;
  gap: 0.75rem;
  border: 1px solid var(--quiz-line);
  border-radius: var(--radius);
  background: var(--quiz-surface-strong);
  padding: 0.85rem;
}

.question-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: space-between;
  color: var(--quiz-muted);
  font-weight: 800;
}

.question-card h3 {
  color: var(--quiz-ink);
  font-size: clamp(1.25rem, 5vw, 1.8rem);
}

.option-list {
  display: grid;
  gap: 0.55rem;
  min-width: 0;
  margin: 0;
  border: 0;
  padding: 0;
}

.option-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.65rem;
  align-items: start;
  min-height: 50px;
  border: 2px solid var(--quiz-line);
  border-radius: var(--radius);
  background: var(--quiz-surface);
  color: var(--quiz-ink);
  cursor: pointer;
  font-weight: 800;
  padding: 0.7rem 0.8rem;
}

.option-card input {
  width: 1.2rem;
  height: 1.2rem;
  margin-top: 0.17rem;
  accent-color: var(--quiz-blue);
}

.option-card.is-selected {
  border-color: var(--quiz-blue);
  background: var(--quiz-blue-soft);
  box-shadow: 0 0 0 3px rgb(23 105 209 / 18%);
}

.quiz-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.quiz-controls .button {
  flex: 1 1 120px;
  min-height: 42px;
  padding: 0.5rem 0.75rem;
}

.quiz-controls .button:disabled,
.quiz-theme-toggle:disabled,
.tracker-button:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

.result-grid {
  display: grid;
  gap: 0.75rem;
}

.result-card {
  display: grid;
  gap: 0.15rem;
  border: 1px solid var(--quiz-line);
  border-radius: var(--radius);
  background: var(--quiz-surface-strong);
  padding: 0.9rem;
}

.result-card span {
  color: var(--quiz-muted);
  font-weight: 800;
}

.result-card strong {
  color: var(--quiz-ink);
  font-size: 1.6rem;
  line-height: 1.1;
}

.review-list {
  display: grid;
  gap: 1rem;
}

.review-card {
  display: grid;
  gap: 0.75rem;
  border: 1px solid var(--quiz-line);
  border-left: 6px solid var(--quiz-gray);
  border-radius: var(--radius);
  background: var(--quiz-surface);
  color: var(--quiz-ink);
  padding: 1rem;
}

.review-correct {
  border-left-color: var(--quiz-green);
}

.review-wrong {
  border-left-color: var(--quiz-red);
}

.review-skipped {
  border-left-color: var(--quiz-yellow);
}

.review-card-header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  justify-content: space-between;
}

.review-card-header span {
  border-radius: 999px;
  background: var(--quiz-surface-strong);
  color: var(--quiz-ink);
  font-weight: 900;
  padding: 0.25rem 0.6rem;
}

.review-card dl {
  display: grid;
  gap: 0.5rem;
  margin: 0;
}

.review-card dl div {
  display: grid;
  gap: 0.15rem;
}

.review-card dt {
  color: var(--quiz-muted);
  font-weight: 900;
}

.review-card dd {
  margin: 0;
}

.explanation-box {
  display: grid;
  gap: 0.35rem;
  border: 1px solid var(--quiz-line);
  border-radius: var(--radius);
  background: var(--quiz-blue-soft);
  color: var(--quiz-ink);
  padding: 0.85rem;
}

.quiz-page :focus-visible {
  outline: 3px solid var(--quiz-blue);
  outline-offset: 3px;
}

@media (min-width: 760px) {
  .quiz-topbar {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

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

  .result-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .review-card dl {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Quiz mobile compact layout */

@media (max-width: 520px) {
  .quiz-section {
    padding-block: 0.85rem 1.25rem;
  }

  .quiz-shell {
    gap: 0.65rem;
  }

  .quiz-topbar,
  .quiz-filters,
  .quiz-panel,
  .result-panel {
    border-radius: 7px;
    box-shadow: 0 8px 18px rgb(16 24 39 / 8%);
  }

  .quiz-topbar {
    gap: 0.55rem;
    padding: 0.65rem;
  }

  .quiz-topbar h2 {
    font-size: 1.15rem;
    line-height: 1.2;
  }

  .quiz-tools {
    gap: 0.45rem;
  }

  .quiz-timer {
    min-width: 6.8rem;
    padding: 0.35rem 0.5rem;
  }

  .quiz-timer strong {
    font-size: 1rem;
  }

  .quiz-theme-toggle {
    min-height: 38px;
    padding: 0.45rem 0.65rem;
    font-size: 0.82rem;
  }

  .quiz-filters {
    gap: 0.55rem;
    padding: 0.65rem;
  }

  .quiz-filters label {
    gap: 0.2rem;
    font-size: 0.82rem;
  }

  .quiz-filters select {
    min-height: 40px;
    padding: 0.4rem 0.5rem;
    font-size: 0.84rem;
  }

  .quiz-panel,
  .result-panel {
    gap: 0.65rem;
    padding: 0.65rem;
  }

  .tracker-wrap {
    position: sticky;
    top: 64px;
    gap: 0.35rem;
    padding: 0.45rem;
    margin-bottom: 0.35rem;
    border-radius: 7px;
  }

  .tracker-grid {
    display: flex;
    flex-wrap: nowrap;
    gap: 4px;
    align-items: center;
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 2px;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
  }

  .tracker-grid::-webkit-scrollbar {
    height: 4px;
  }

  .tracker-button {
    width: 24px;
    height: 24px;
    min-width: 24px;
    min-height: 24px;
    flex: 0 0 24px;
    border-width: 1px;
    border-radius: 5px;
    padding: 0;
    font-size: 0.68rem;
    line-height: 1;
  }

  .tracker-button.is-current {
    box-shadow: 0 0 0 2px var(--quiz-blue-soft);
  }

  .tracker-legend {
    display: flex;
    flex-wrap: nowrap;
    gap: 0.4rem;
    align-items: center;
    overflow-x: auto;
    padding-bottom: 1px;
    color: var(--quiz-muted);
    font-size: 0.58rem;
    line-height: 1.1;
    white-space: nowrap;
    scrollbar-width: none;
  }

  .tracker-legend::-webkit-scrollbar {
    display: none;
  }

  .tracker-legend span {
    gap: 0.18rem;
  }

  .legend-dot {
    width: 0.45rem;
    height: 0.45rem;
    flex: 0 0 0.45rem;
  }

  .question-card {
    gap: 0.65rem;
    padding: 0.65rem;
  }

  .question-meta {
    gap: 0.35rem;
    font-size: 0.74rem;
    line-height: 1.25;
  }

  .question-card h3 {
    font-size: 1rem;
    line-height: 1.28;
  }

  .option-list {
    gap: 0.45rem;
  }

  .option-card {
    grid-template-columns: 20px minmax(0, 1fr);
    gap: 0.55rem;
    min-height: 42px;
    padding: 0.55rem 0.65rem;
    border-width: 1px;
    font-size: 0.86rem;
    line-height: 1.25;
  }

  .option-card input {
    width: 1rem;
    height: 1rem;
    margin-top: 0.08rem;
  }

  .quiz-controls {
    position: sticky;
    bottom: 0;
    z-index: 25;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.45rem;
    margin: 0 -0.65rem -0.65rem;
    border-top: 1px solid var(--quiz-line);
    background: var(--quiz-surface);
    padding: 0.55rem 0.65rem;
  }

  .quiz-controls .button {
    min-height: 38px;
    padding: 0.45rem 0.55rem;
    font-size: 0.82rem;
    line-height: 1.15;
  }

  .result-grid {
    gap: 0.5rem;
  }

  .result-card {
    padding: 0.65rem;
  }

  .result-card strong {
    font-size: 1.2rem;
  }

  .review-card {
    gap: 0.5rem;
    padding: 0.7rem;
    border-left-width: 4px;
  }

  .review-card-header {
    gap: 0.35rem;
  }

  .review-card-header span {
    padding: 0.2rem 0.45rem;
    font-size: 0.72rem;
  }

  .explanation-box {
    gap: 0.25rem;
    padding: 0.65rem;
    font-size: 0.84rem;
    line-height: 1.35;
  }
}

@media (max-width: 360px) {
  .tracker-button {
    width: 22px;
    height: 22px;
    min-width: 22px;
    min-height: 22px;
    flex-basis: 22px;
    font-size: 0.62rem;
  }

  .tracker-grid {
    gap: 3px;
  }

  .tracker-legend {
    font-size: 0.54rem;
  }

  .question-card h3 {
    font-size: 0.94rem;
  }

  .option-card {
    font-size: 0.8rem;
  }
}