:root {
  --ink: #18201b;
  --muted: #5e685f;
  --leaf: #235c3a;
  --leaf-2: #3d7a4f;
  --leaf-soft: #d8ead9;
  --gold: #c7922b;
  --coral: #d66a4a;
  --paper: #fffdf7;
  --mist: #f4f8ef;
  --line: rgba(24, 32, 27, 0.12);
  --shadow: 0 22px 55px rgba(34, 67, 45, 0.14);
  --danger: #b93329;
  --success: #237642;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(216, 234, 217, 0.9), transparent 34rem),
    linear-gradient(180deg, #fff9ec 0%, #f4f8ef 44%, #fffdf7 100%);
  font-family: "Manrope", Arial, sans-serif;
}

button,
input,
a {
  -webkit-tap-highlight-color: transparent;
}

button,
input {
  font: inherit;
}

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

a {
  color: inherit;
}

:focus-visible {
  outline: 3px solid rgba(214, 106, 74, 0.55);
  outline-offset: 4px;
}

.floating-nav {
  position: fixed;
  bottom: 30px;
  left: 30px;
  z-index: 100;
  display: flex;
  gap: 12px;
}

.floating-back-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 253, 247, 0.9);
  color: var(--leaf);
  font-size: 1.2rem;
  font-weight: 900;
  padding: 14px 20px;
  border-radius: 999px;
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(34, 67, 45, 0.12);
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.floating-back-btn img {
  width: 36px;
  height: 36px;
  object-fit: contain;
}

.floating-back-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(34, 67, 45, 0.2);
  background: #fffdf7;
}

.floating-back-btn:active {
  transform: scale(0.96);
}

.hero {
  min-height: calc(100vh - 77px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 390px);
  align-items: center;
  gap: clamp(28px, 5vw, 70px);
  padding: clamp(48px, 7vw, 96px) clamp(18px, 6vw, 96px);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(135deg, rgba(24, 32, 27, 0.94), rgba(35, 92, 58, 0.78)),
    radial-gradient(circle at 20% 20%, rgba(199, 146, 43, 0.34), transparent 20rem);
}

.hero-copy {
  color: #fffdf7;
  max-width: 780px;
  text-shadow: 0 2px 26px rgba(0, 0, 0, 0.22);
}

.section-kicker {
  display: inline-flex;
  color: var(--coral);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero .section-kicker {
  color: #f4c36e;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.hero-rules {
  list-style-type: disc;
  padding-left: 20px;
  margin-top: 24px;
  margin-bottom: 24px;
  font-size: 0.95rem;
  line-height: 1.6;
  color: #fffdf7;
  opacity: 0.9;
  text-shadow: none;
}

.hero-rules li {
  margin-bottom: 12px;
}

h1,
h2 {
  font-family: "Playfair Display", Georgia, serif;
}

h1 {
  margin-bottom: 22px;
  font-size: clamp(3rem, 8vw, 7rem);
  line-height: 1;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.08;
}

p {
  line-height: 1.7;
}

.hero-copy p {
  max-width: 650px;
  font-size: clamp(1.02rem, 2vw, 1.22rem);
}

.hero-actions,
.question-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 26px;
}

.primary-btn,
.secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 900;
  padding: 11px 18px;
  text-decoration: none;
}

.primary-btn {
  background: var(--coral);
  color: #fffdf7;
  box-shadow: 0 14px 30px rgba(214, 106, 74, 0.28);
}

.secondary-btn {
  background: rgba(255, 253, 247, 0.88);
  border: 1px solid var(--line);
  color: var(--leaf);
}

.primary-btn:disabled,
.secondary-btn:disabled {
  cursor: not-allowed;
  filter: grayscale(0.6);
  opacity: 0.62;
}

.hero-panel,
.app-shell,
.leaderboard-section {
  background: rgba(255, 253, 247, 0.9);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.hero-panel {
  display: grid;
  gap: 16px;
  padding: 26px;
  backdrop-filter: blur(14px);
}

.hero-panel div,
.score-stats div {
  background: var(--mist);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

.hero-panel strong,
.score-stats strong {
  display: block;
  margin-top: 7px;
  font-size: 1.45rem;
}

.app-shell,
.leaderboard-section {
  width: min(1120px, calc(100% - 32px));
  margin: 48px auto;
  overflow: hidden;
}

.status-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.status-bar div {
  background: rgba(255, 253, 247, 0.94);
  padding: 18px;
}

.status-bar strong {
  display: block;
  margin-top: 5px;
  font-size: 1.15rem;
}

.notice {
  margin: 18px;
  border: 1px solid rgba(199, 146, 43, 0.38);
  border-radius: 8px;
  background: rgba(199, 146, 43, 0.12);
  color: #65460b;
  font-weight: 800;
  padding: 14px 16px;
}

.quiz-view {
  display: none;
  padding: clamp(22px, 4vw, 42px);
}

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

.start-grid,
.question-layout,
.result-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 430px);
  gap: clamp(22px, 4vw, 48px);
  align-items: start;
}

.participant-form,
.question-card,
.question-nav,
.score-card,
.review-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 24px;
}

.participant-form label {
  display: block;
  margin-bottom: 8px;
  color: var(--leaf);
  font-weight: 900;
}

.participant-form input {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  padding: 10px 12px;
}

.rule-list {
  display: grid;
  gap: 10px;
  margin: 20px 0 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.5;
}

.question-layout {
  grid-template-columns: 240px minmax(0, 1fr);
}

.question-nav h2,
.review-card h2 {
  font-family: "Manrope", Arial, sans-serif;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.question-dots {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(42px, 1fr));
  gap: 8px;
}

.question-dot {
  min-height: 42px;
  border: 1px solid var(--gold);
  border-radius: 8px;
  background: #fdf5e6;
  color: #7a5211;
  cursor: default;
  font-weight: 900;
}

.question-dot.is-current {
  background: var(--leaf);
  color: #fff;
}

.question-dot.is-answered {
  border-color: var(--line);
  background: var(--mist);
  color: var(--muted);
}

.question-meta {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 900;
}

#questionText {
  font-family: "Manrope", Arial, sans-serif;
  font-size: clamp(1.25rem, 2.5vw, 2rem);
  line-height: 1.25;
}

.options {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.option-btn {
  width: 100%;
  min-height: 58px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffdf7;
  color: var(--ink);
  cursor: pointer;
  padding: 14px 16px;
  text-align: left;
}

.option-btn:hover,
.option-btn.is-selected {
  border-color: rgba(35, 92, 58, 0.5);
  background: var(--leaf-soft);
}

.option-btn strong {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  margin-right: 10px;
  border-radius: 50%;
  background: rgba(35, 92, 58, 0.12);
  color: var(--leaf);
}

.result-grid {
  grid-template-columns: minmax(280px, 380px) minmax(0, 1fr);
}

.score-stats {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.review-list {
  display: grid;
  gap: 12px;
}

.review-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}

.review-item.is-correct {
  border-color: rgba(35, 118, 66, 0.35);
  background: rgba(35, 118, 66, 0.07);
}

.review-item.is-wrong {
  border-color: rgba(185, 51, 41, 0.32);
  background: rgba(185, 51, 41, 0.06);
}

.review-item h3 {
  font-size: 1rem;
  line-height: 1.45;
}

.review-item p {
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 0.94rem;
}

.leaderboard-section {
  padding: clamp(22px, 4vw, 42px);
}

.section-heading {
  margin-bottom: 22px;
}

.table-wrap {
  overflow-x: auto;
}

.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 620px;
}

.leaderboard-table th,
.leaderboard-table td {
  border-bottom: 1px solid var(--line);
  padding: 14px 12px;
  text-align: left;
}

.leaderboard-table th {
  color: var(--leaf);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 34px 18px 46px;
  color: var(--muted);
  text-align: center;
}

.site-footer img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 860px) {

  .hero,
  .start-grid,
  .question-layout,
  .result-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-bottom: 48px;
    padding-top: 48px;
  }

  .status-bar {
    grid-template-columns: 1fr;
  }

  .question-nav {
    order: 2;
  }

  .question-card {
    order: 1;
  }
}

@media (max-width: 560px) {
  .floating-nav {
    bottom: 20px;
    left: 20px;
    flex-direction: column;
  }

  .app-shell,
  .leaderboard-section {
    width: min(100% - 20px, 1120px);
    margin-block: 28px;
  }

  .quiz-view,
  .leaderboard-section,
  .participant-form,
  .question-card,
  .question-nav,
  .score-card,
  .review-card {
    padding: 18px;
  }

  .question-actions .primary-btn,
  .question-actions .secondary-btn,
  .participant-form .primary-btn {
    width: 100%;
  }
}