:root {
  --page-bg-top: #d8c8bc;
  --page-bg-bottom: #f4efe8;
  --panel: rgba(255, 252, 247, 0.96);
  --panel-strong: #fffdfa;
  --panel-soft: rgba(255, 249, 242, 0.86);
  --text: #4a433d;
  --muted: #7e766f;
  --line: rgba(117, 103, 92, 0.18);
  --line-strong: rgba(117, 103, 92, 0.28);
  --accent: #8a6b53;
  --accent-dark: #634834;
  --accent-soft: rgba(138, 107, 83, 0.12);
  --good: #366e4f;
  --bad: #95463f;
  --shadow: 0 18px 48px rgba(74, 56, 39, 0.14);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 18px;
  --radius-sm: 14px;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--text);
  font-family: Georgia, "Times New Roman", serif;
  background:
    linear-gradient(180deg, var(--page-bg-top) 0 12rem, var(--page-bg-bottom) 12rem 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 50% 100%, rgba(255, 255, 255, 0.9), transparent 28rem),
    radial-gradient(circle at 50% 0, rgba(255, 246, 232, 0.5), transparent 20rem);
  pointer-events: none;
}

button {
  font: inherit;
}

.page {
  width: min(1400px, calc(100% - 36px));
  margin: 0 auto;
  padding: 22px 0 48px;
}

.quiz-shell {
  border-radius: var(--radius-xl);
}

.hero {
  overflow: hidden;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  background: var(--panel);
}

.brand-row {
  padding: 24px 60px 20px;
}

.brand-row h1 {
  margin: 0;
  color: #58504a;
  font-size: clamp(2.7rem, 4vw, 4rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: 0;
}

.brand-subtitle {
  margin: 10px 0 0;
  color: var(--muted);
  font-family: "Trebuchet MS", Arial, sans-serif;
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-image {
  position: relative;
  overflow: hidden;
  height: clamp(260px, 35vw, 500px);
  background: #7e5a3b;
}

.hero-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center 42%;
}

.hero-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(146, 100, 52, 0.03), rgba(55, 34, 21, 0.1));
  pointer-events: none;
}

.app-panel {
  margin-top: 12px;
}

.screen-card,
.question-panel,
.answer,
.feedback,
.result-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--panel-strong);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.75),
    0 2px 8px rgba(93, 72, 49, 0.05);
}

.screen-card,
.result-card {
  padding: 28px;
  scroll-margin-top: 16px;
}

.home-copy {
  max-width: 820px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-family: "Trebuchet MS", Arial, sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.home-copy h2,
.result-card h2,
.error-card h2 {
  margin: 0;
  color: #453d37;
  font-size: clamp(1.7rem, 2.8vw, 2.3rem);
  font-weight: 700;
  line-height: 1.15;
}

.home-copy p,
.result-copy,
.error-copy {
  margin: 14px 0 0;
  color: #726960;
  font-family: "Trebuchet MS", Arial, sans-serif;
  font-size: 1rem;
  line-height: 1.65;
}

.difficulty-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.difficulty-card {
  width: 100%;
  min-height: 138px;
  padding: 20px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  color: var(--text);
  text-align: left;
  background:
    linear-gradient(180deg, rgba(255, 252, 247, 0.98), rgba(246, 238, 226, 0.96));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 4px 14px rgba(93, 72, 49, 0.06);
  cursor: pointer;
  transition: transform 140ms ease, border-color 140ms ease, box-shadow 140ms ease;
}

.difficulty-card:hover,
.difficulty-card:focus-visible {
  border-color: var(--line-strong);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 1),
    0 8px 18px rgba(93, 72, 49, 0.08);
  transform: translateY(-1px);
}

.difficulty-name {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
}

.difficulty-level {
  display: block;
  margin-top: 8px;
  color: var(--accent);
  font-family: "Trebuchet MS", Arial, sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.difficulty-copy {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-family: "Trebuchet MS", Arial, sans-serif;
  font-size: 0.92rem;
  line-height: 1.45;
}

.screen-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 12px;
}

.difficulty-badge {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border: 1px solid rgba(138, 107, 83, 0.18);
  border-radius: 999px;
  color: var(--accent-dark);
  font-family: "Trebuchet MS", Arial, sans-serif;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--accent-soft);
}

.question-layout {
  display: grid;
  gap: 12px;
}

.question-panel {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 18px;
  align-items: center;
  padding: 16px 24px;
}

.progress-meta {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #9a9189;
  font-family: "Trebuchet MS", Arial, sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.15;
}

#questionNumber {
  color: #6f665f;
  font-size: 1rem;
}

#questionText {
  margin: 0;
  color: #453d37;
  font-size: clamp(1.25rem, 2.4vw, 1.55rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0;
}

.question-copy {
  display: grid;
  gap: 10px;
}

.question-prompt {
  margin: 0;
  color: var(--muted);
  font-family: "Trebuchet MS", Arial, sans-serif;
  font-size: 0.98rem;
  line-height: 1.5;
}

.answers {
  display: grid;
  gap: 10px;
}

.answer {
  width: 100%;
  min-height: 76px;
  padding: 18px 24px;
  color: #746c65;
  font-family: "Trebuchet MS", Arial, sans-serif;
  font-size: clamp(1rem, 1.8vw, 1.05rem);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-align: center;
  background: linear-gradient(180deg, #fffdfa, #fdfbf8);
  cursor: pointer;
  transition: transform 140ms ease, border-color 140ms ease, box-shadow 140ms ease;
}

.answer:hover:not(:disabled),
.answer:focus-visible:not(:disabled) {
  border-color: var(--line-strong);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 5px 14px rgba(93, 72, 49, 0.08);
  transform: translateY(-1px);
}

.answer:disabled {
  cursor: default;
}

.answer.selected {
  border-color: rgba(138, 107, 83, 0.48);
}

.answer.correct {
  border-color: rgba(54, 110, 79, 0.34);
  color: var(--good);
  background: rgba(54, 110, 79, 0.08);
}

.answer.wrong {
  border-color: rgba(149, 70, 63, 0.32);
  color: var(--bad);
  background: rgba(149, 70, 63, 0.08);
}

.feedback {
  padding: 16px 18px;
  color: #726960;
  font-family: "Trebuchet MS", Arial, sans-serif;
  font-size: 0.98rem;
  line-height: 1.55;
  scroll-margin-bottom: 20px;
}

.feedback-title {
  display: block;
  margin-bottom: 6px;
  color: var(--text);
  font-size: 0.96rem;
  font-weight: 700;
}

.write-list {
  display: grid;
  gap: 10px;
}

.write-list-row {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(280px, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #fffdfa, #fcf8f2);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.75),
    0 2px 8px rgba(93, 72, 49, 0.05);
}

.write-list-label {
  color: var(--text);
  font-family: "Trebuchet MS", Arial, sans-serif;
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.45;
}

.write-list-input-wrap {
  display: grid;
  gap: 8px;
}

.write-list-input {
  width: 100%;
  min-height: 52px;
  padding: 12px 14px;
  border: 1px solid rgba(138, 107, 83, 0.2);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: "Trebuchet MS", Arial, sans-serif;
  font-size: 1rem;
  background: rgba(255, 255, 255, 0.92);
}

.write-list-input:focus {
  outline: 2px solid rgba(138, 107, 83, 0.24);
  outline-offset: 1px;
}

.write-list-feedback {
  color: var(--muted);
  font-family: "Trebuchet MS", Arial, sans-serif;
  font-size: 0.92rem;
  line-height: 1.4;
}

.write-list-row.correct {
  border-color: rgba(54, 110, 79, 0.26);
  background: rgba(54, 110, 79, 0.08);
}

.write-list-row.correct .write-list-feedback {
  color: var(--good);
  font-weight: 700;
}

.write-list-row.incorrect {
  border-color: rgba(149, 70, 63, 0.28);
  background: rgba(149, 70, 63, 0.08);
}

.write-list-row.incorrect .write-list-feedback {
  color: var(--bad);
  font-weight: 700;
}

.write-list-check {
  justify-self: start;
  margin-top: 4px;
}

.actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 16px;
}

.quiz-actions {
  position: sticky;
  bottom: 12px;
  z-index: 5;
  padding: 12px;
  border: 1px solid rgba(138, 107, 83, 0.12);
  border-radius: calc(var(--radius-md) + 2px);
  background: rgba(255, 252, 247, 0.94);
  box-shadow:
    0 10px 24px rgba(93, 72, 49, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(6px);
}

.primary,
.secondary {
  min-width: 132px;
  padding: 13px 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: "Trebuchet MS", Arial, sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
}

.primary {
  color: #fff8f3;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
}

.primary:disabled {
  opacity: 0.4;
  cursor: default;
}

.secondary {
  color: var(--accent-dark);
  border-color: rgba(138, 107, 83, 0.2);
  background: rgba(255, 252, 247, 0.92);
}

.result-card {
  text-align: center;
}

.result-rank {
  margin: 12px 0 0;
  color: var(--accent);
  font-family: "Trebuchet MS", Arial, sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.result-score {
  margin-top: 14px;
  color: var(--accent-dark);
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 700;
  line-height: 1;
}

.result-actions {
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 22px;
}

.error-card {
  border: 1px solid rgba(149, 70, 63, 0.22);
  border-radius: var(--radius-md);
  padding: 28px;
  background: rgba(255, 248, 246, 0.98);
  box-shadow: 0 2px 10px rgba(149, 70, 63, 0.06);
}

@media (max-width: 1080px) {
  .difficulty-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .page {
    width: min(100% - 20px, 1400px);
    padding: 14px 0 30px;
  }

  .brand-row {
    padding: 20px 22px 16px;
  }

  .brand-row h1 {
    font-size: clamp(2.2rem, 9vw, 3rem);
  }

  .brand-subtitle {
    letter-spacing: 0.06em;
  }

  .hero-image {
    height: 240px;
  }

  .screen-card,
  .result-card,
  .error-card {
    padding: 20px 16px;
  }

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

  .question-panel {
    grid-template-columns: 36px 1fr;
    gap: 14px;
    padding: 14px 16px;
  }

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

  .answer {
    min-height: 64px;
    padding: 16px;
    letter-spacing: 0.04em;
  }

  .screen-meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .actions,
  .result-actions {
    flex-direction: column;
  }

  .quiz-actions {
    bottom: 8px;
    padding: 10px;
  }

  .primary,
  .secondary {
    width: 100%;
  }
}