:root {
  --bg-top: #f4ecdc;
  --bg-bottom: #e7ece4;
  --paper: rgba(250, 245, 236, 0.74);
  --paper-strong: rgba(255, 252, 246, 0.9);
  --surface: rgba(255, 255, 255, 0.88);
  --surface-soft: rgba(246, 241, 232, 0.72);
  --ink: #15211f;
  --muted: #5d6963;
  --muted-strong: #7d8a84;
  --line: rgba(67, 81, 76, 0.14);
  --accent: #1c5d4f;
  --accent-strong: #0f4339;
  --accent-soft: rgba(28, 93, 79, 0.12);
  --gold: #a48132;
  --gold-soft: rgba(164, 129, 50, 0.12);
  --danger: #a94840;
  --danger-soft: rgba(169, 72, 64, 0.11);
  --ok: #246c45;
  --ok-soft: rgba(36, 108, 69, 0.12);
  --nav-bg: linear-gradient(180deg, rgba(18, 48, 42, 0.98), rgba(13, 34, 30, 0.98));
  --shadow-lg: 0 32px 80px rgba(22, 31, 27, 0.12);
  --shadow-md: 0 20px 44px rgba(20, 28, 25, 0.1);
  --shadow-sm: 0 10px 24px rgba(20, 28, 25, 0.08);
  --radius-xl: 34px;
  --radius-lg: 26px;
  --radius-md: 20px;
  --radius-sm: 16px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

html {
  color-scheme: light;
  background: linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bottom) 100%);
}

body {
  position: relative;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 10%, rgba(164, 129, 50, 0.18), transparent 22%),
    radial-gradient(circle at 86% 14%, rgba(28, 93, 79, 0.14), transparent 24%),
    radial-gradient(circle at 72% 82%, rgba(28, 93, 79, 0.12), transparent 28%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bottom) 100%);
  font-family: "Aptos", "Segoe UI Variable Text", "Segoe UI", sans-serif;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}

body::before {
  background-image:
    linear-gradient(rgba(21, 33, 31, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 33, 31, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.4), transparent 68%);
}

body::after {
  inset: auto -12vw -26vh auto;
  width: 54vw;
  height: 54vw;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.38) 0%, rgba(255, 255, 255, 0) 70%);
  filter: blur(16px);
}

.app {
  width: min(1340px, calc(100% - 48px));
  margin: 32px auto 56px;
  position: relative;
  z-index: 1;
  display: grid;
  gap: 18px;
}

@keyframes revealUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero {
  position: relative;
  overflow: hidden;
  width: min(980px, 100%);
  border-radius: 30px;
  padding: 24px 28px;
  color: #f7f3ea;
  background:
    radial-gradient(circle at top right, rgba(212, 195, 145, 0.14), transparent 24%),
    linear-gradient(135deg, rgba(16, 58, 50, 0.98), rgba(17, 35, 31, 0.98));
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-lg);
  animation: revealUp 0.72s var(--ease-out) both;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 34px;
  pointer-events: none;
}

.hero::before {
  width: 240px;
  height: 240px;
  right: -104px;
  top: -96px;
  transform: rotate(18deg);
}

.hero::after {
  width: 150px;
  height: 150px;
  right: 12%;
  bottom: -96px;
  transform: rotate(-12deg);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 14px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.74rem;
  font-weight: 700;
  color: #dbc98f;
}

h1 {
  margin: 0;
  max-width: 10ch;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  font-size: clamp(2.3rem, 4.4vw, 3.45rem);
  line-height: 0.96;
  text-wrap: balance;
}

.hero p {
  margin: 0;
  max-width: 66ch;
  color: rgba(247, 243, 234, 0.88);
  line-height: 1.72;
}

.hero-intro {
  margin-top: 14px;
  max-width: 62ch;
  font-size: 0.98rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 13px;
  border-radius: 999px;
  font-size: 0.86rem;
  color: rgba(247, 243, 234, 0.94);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.11);
  backdrop-filter: blur(10px);
}

.panel {
  background: var(--paper);
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(16px);
  overflow: hidden;
  animation: revealUp 0.82s var(--ease-out) both;
  animation-delay: 0.08s;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  padding: 20px 22px 0;
}

.summary-card {
  min-height: 100%;
  padding: 20px 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(248, 244, 236, 0.86));
  border: 1px solid rgba(21, 33, 31, 0.08);
  border-radius: 22px;
  box-shadow: var(--shadow-sm);
}

.summary-card h2 {
  margin: 0 0 12px;
  font-size: 1.02rem;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  color: var(--accent-strong);
}

.summary-card p,
.summary-card li,
.distribution-list {
  margin: 0;
  color: var(--muted);
  line-height: 1.68;
  font-size: 0.96rem;
}

.summary-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.summary-card li {
  padding-left: 18px;
  position: relative;
}

.summary-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.76em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(180deg, var(--gold), #b59146);
  transform: translateY(-50%);
}

.distribution-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.distribution-item {
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(21, 33, 31, 0.07);
}

.distribution-item strong {
  color: var(--accent-strong);
  font-variant-numeric: tabular-nums;
}

.summary-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.summary-metric {
  padding: 12px 10px;
  border-radius: 16px;
  background: rgba(28, 93, 79, 0.08);
  border: 1px solid rgba(28, 93, 79, 0.1);
}

.summary-metric strong {
  display: block;
  font-size: 1.45rem;
  line-height: 1;
  color: var(--accent-strong);
  font-variant-numeric: tabular-nums;
}

.summary-metric span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.4;
}

.toolbar {
  position: sticky;
  top: 16px;
  z-index: 8;
  margin: 22px 22px 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.52);
  border-radius: 24px;
  background: rgba(252, 248, 241, 0.76);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(16px);
}

.toolbar-left,
.toolbar-right,
.actions-left,
.actions-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.stat-badge,
.ghost-badge {
  padding: 11px 14px;
  border-radius: 16px;
  font-weight: 700;
  font-size: 0.94rem;
  font-variant-numeric: tabular-nums;
}

.stat-badge {
  background: rgba(28, 93, 79, 0.12);
  color: var(--accent-strong);
  border: 1px solid rgba(28, 93, 79, 0.12);
}

.ghost-badge {
  background: rgba(21, 33, 31, 0.04);
  color: var(--muted);
  border: 1px solid rgba(21, 33, 31, 0.08);
}

.button,
.history-button,
.q-index-btn,
.option {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.button {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 18px;
  padding: 12px 16px;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.95rem;
  transition:
    transform 160ms var(--ease-out),
    box-shadow 160ms var(--ease-out),
    border-color 160ms ease,
    background-color 160ms ease,
    color 160ms ease,
    opacity 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.56;
  transform: none;
  box-shadow: none;
}

.button.primary {
  background: linear-gradient(180deg, var(--accent), var(--accent-strong));
  color: #fff;
  box-shadow: 0 16px 28px rgba(28, 93, 79, 0.2);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.7);
  color: var(--ink);
  border-color: rgba(21, 33, 31, 0.1);
}

.quiz-layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 20px;
  min-height: 620px;
  padding: 22px;
  align-items: start;
}

.nav-panel {
  position: sticky;
  top: 118px;
  border-radius: 28px;
  background: var(--nav-bg);
  padding: 22px;
  box-shadow: var(--shadow-md);
}

.nav-panel h3,
.question-panel h3 {
  margin: 0 0 14px;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  font-size: 1.02rem;
}

.nav-panel h3 {
  color: #f7f3ea;
}

.theme-legend {
  display: grid;
  gap: 12px;
  margin-bottom: 22px;
}

.theme-pill {
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.09);
  color: rgba(247, 243, 234, 0.78);
  font-size: 0.9rem;
  line-height: 1.55;
}

.question-index {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.q-index-btn {
  appearance: none;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.07);
  border-radius: 16px;
  min-height: 50px;
  cursor: pointer;
  font-weight: 700;
  color: rgba(247, 243, 234, 0.9);
  font-variant-numeric: tabular-nums;
  transition:
    transform 160ms var(--ease-out),
    background-color 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    box-shadow 160ms ease;
}

.q-index-btn:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.12);
}

.q-index-btn.current {
  background: linear-gradient(180deg, rgba(247, 243, 234, 0.96), rgba(234, 227, 210, 0.96));
  color: var(--accent-strong);
  border-color: rgba(247, 243, 234, 0.72);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.18);
}

.q-index-btn.answered:not(.current) {
  background: rgba(28, 93, 79, 0.22);
  color: #edf5f2;
  border-color: rgba(90, 168, 147, 0.24);
}

.q-index-btn.correct:not(.current) {
  background: rgba(36, 108, 69, 0.28);
  color: #ecfaf0;
  border-color: rgba(110, 190, 136, 0.24);
}

.q-index-btn.incorrect:not(.current) {
  background: rgba(169, 72, 64, 0.25);
  color: #fff2f1;
  border-color: rgba(255, 180, 172, 0.22);
}

.question-panel {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.question-card {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(252, 249, 243, 0.94));
  border: 1px solid rgba(21, 33, 31, 0.08);
  border-radius: 32px;
  padding: 30px;
  box-shadow: var(--shadow-md);
}

.question-card::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--gold), rgba(28, 93, 79, 0.75));
}

.question-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 16px;
}

.kicker {
  margin: 0;
  color: var(--gold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.76rem;
  font-weight: 700;
}

.question-number {
  margin: 8px 0 0;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ink);
}

.theme-tag {
  max-width: 280px;
  background: rgba(28, 93, 79, 0.08);
  color: var(--accent-strong);
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 0.84rem;
  line-height: 1.45;
  border: 1px solid rgba(28, 93, 79, 0.12);
  text-align: right;
}

.question-text {
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  font-size: clamp(1.26rem, 2.1vw, 1.62rem);
  line-height: 1.68;
  text-wrap: pretty;
  margin: 0;
}

.options {
  margin-top: 22px;
  display: grid;
  gap: 14px;
}

.option {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 16px;
  align-items: center;
  width: 100%;
  text-align: left;
  border-radius: 22px;
  padding: 16px 18px;
  border: 1px solid rgba(21, 33, 31, 0.1);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(246, 241, 232, 0.84));
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
  transition:
    transform 160ms var(--ease-out),
    border-color 160ms ease,
    background-color 160ms ease,
    box-shadow 160ms ease;
  color: var(--ink);
}

.option:hover {
  transform: translateY(-2px);
  border-color: rgba(28, 93, 79, 0.24);
  box-shadow: 0 14px 24px rgba(20, 28, 25, 0.08);
}

.option-letter {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(28, 93, 79, 0.08);
  color: var(--accent-strong);
  font-weight: 800;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

.option-text {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.55;
}

.option.selected {
  background: linear-gradient(180deg, rgba(231, 244, 239, 0.96), rgba(243, 250, 247, 0.95));
  border-color: rgba(28, 93, 79, 0.28);
}

.option.correct {
  background: linear-gradient(180deg, rgba(238, 249, 242, 0.98), rgba(230, 245, 236, 0.94));
  border-color: rgba(36, 108, 69, 0.24);
}

.option.incorrect {
  background: linear-gradient(180deg, rgba(255, 245, 243, 0.98), rgba(251, 237, 234, 0.94));
  border-color: rgba(169, 72, 64, 0.22);
}

.feedback-line {
  margin-top: 18px;
  min-height: 0;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(28, 93, 79, 0.06);
  border: 1px solid rgba(28, 93, 79, 0.1);
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

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

.review-panel {
  margin-top: 18px;
  padding: 18px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(231, 244, 239, 0.76), rgba(250, 246, 239, 0.9));
  border: 1px solid rgba(28, 93, 79, 0.14);
}

.review-panel[hidden] {
  display: none;
}

.review-inline-title {
  margin: 0;
  font-size: 1rem;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  color: var(--accent-strong);
}

.review-inline-copy {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.6;
  font-size: 0.95rem;
}

.review-meta-grid {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}

.review-meta-chip {
  padding: 12px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(21, 33, 31, 0.08);
}

.review-meta-chip strong {
  display: block;
  color: var(--ink);
  margin-bottom: 4px;
}

.review-section,
.history-section {
  margin: 24px 22px 0;
}

.review-section-head h3 {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  color: var(--accent-strong);
  font-size: 1.28rem;
}

.review-section-head p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.review-list,
.history-list {
  margin-top: 14px;
  display: grid;
  gap: 12px;
}

.review-item {
  border-radius: 22px;
  border: 1px solid rgba(21, 33, 31, 0.08);
  background: rgba(255, 255, 255, 0.84);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.review-item summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  font-weight: 700;
  transition: background-color 160ms ease;
}

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

.review-item summary:hover {
  background: rgba(246, 241, 232, 0.72);
}

.review-item[open] summary {
  border-bottom: 1px solid rgba(21, 33, 31, 0.08);
}

.review-summary-main {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.review-status {
  display: inline-flex;
  align-items: center;
  padding: 7px 10px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
}

.review-status.correct {
  background: var(--ok-soft);
  color: var(--ok);
}

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

.review-status.unanswered {
  background: rgba(21, 33, 31, 0.08);
  color: var(--muted);
}

.review-reference {
  color: var(--muted);
  font-size: 0.9rem;
  text-align: right;
}

.review-body {
  padding: 20px;
  display: grid;
  gap: 14px;
}

.review-question {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  font-size: 1.08rem;
  line-height: 1.64;
}

.review-explanation {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.option-review-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.option-review {
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid rgba(21, 33, 31, 0.08);
  background: rgba(255, 255, 255, 0.86);
}

.option-review.correct {
  border-color: rgba(36, 108, 69, 0.2);
  background: rgba(36, 108, 69, 0.08);
}

.option-review.selected-wrong {
  border-color: rgba(169, 72, 64, 0.2);
  background: rgba(169, 72, 64, 0.08);
}

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

.option-review p {
  margin: 6px 0 0;
  color: var(--muted);
  line-height: 1.55;
  font-size: 0.93rem;
}

.history-card {
  display: grid;
  gap: 10px;
  padding: 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(21, 33, 31, 0.08);
  box-shadow: var(--shadow-sm);
}

.history-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.history-card strong {
  color: var(--accent-strong);
}

.history-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
  font-size: 0.93rem;
}

.history-button {
  justify-self: start;
  appearance: none;
  border: 1px solid rgba(28, 93, 79, 0.16);
  background: rgba(28, 93, 79, 0.08);
  color: var(--accent-strong);
  border-radius: 16px;
  padding: 10px 14px;
  font-weight: 700;
  cursor: pointer;
  transition:
    transform 160ms var(--ease-out),
    background-color 160ms ease,
    border-color 160ms ease,
    box-shadow 160ms ease;
}

.history-button:hover {
  transform: translateY(-2px);
  background: rgba(28, 93, 79, 0.12);
}

.history-empty {
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px dashed rgba(21, 33, 31, 0.16);
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-top: auto;
}

.results-wrap {
  border-top: 1px solid rgba(21, 33, 31, 0.08);
  padding-bottom: 24px;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px;
  padding: 26px 22px 0;
}

.result-card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(248, 244, 236, 0.88));
  border: 1px solid rgba(21, 33, 31, 0.08);
  border-radius: 22px;
  padding: 18px;
  box-shadow: var(--shadow-sm);
}

.result-card strong {
  display: block;
  font-size: 1.52rem;
  color: var(--accent-strong);
  font-variant-numeric: tabular-nums;
}

.result-card span {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.4;
}

.focus-box {
  margin: 18px 22px 0;
  padding: 22px;
  border-radius: 24px;
  background:
    radial-gradient(circle at top right, rgba(219, 201, 143, 0.18), transparent 26%),
    linear-gradient(135deg, rgba(21, 60, 52, 0.96), rgba(18, 34, 30, 0.98));
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #f7f3ea;
  line-height: 1.68;
  box-shadow: var(--shadow-md);
}

.focus-box strong,
.focus-box li strong {
  color: #fff;
}

.focus-box ul {
  margin: 14px 0 0;
  padding-left: 18px;
}

.focus-box p {
  margin: 14px 0 0;
  color: rgba(247, 243, 234, 0.88);
}

.footnote {
  padding: 18px 22px 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.62;
}

.button:focus-visible,
.history-button:focus-visible,
.q-index-btn:focus-visible,
.option:focus-visible,
.review-item summary:focus-visible {
  outline: 3px solid rgba(164, 129, 50, 0.34);
  outline-offset: 3px;
}

@media (max-width: 1180px) {
  .summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .quiz-layout {
    grid-template-columns: 1fr;
  }

  .toolbar {
    position: static;
  }

  .nav-panel {
    position: relative;
    top: auto;
  }
}

@media (max-width: 720px) {
  .app {
    width: min(100% - 22px, 100%);
    margin-top: 16px;
    gap: 16px;
  }

  .hero,
  .summary-card,
  .toolbar,
  .nav-panel,
  .question-card,
  .result-card,
  .focus-box,
  .history-card {
    border-radius: 24px;
  }

  .hero,
  .question-card,
  .nav-panel,
  .summary-card,
  .toolbar {
    padding-left: 18px;
    padding-right: 18px;
  }

  .hero {
    padding-top: 26px;
    padding-bottom: 26px;
  }

  .quiz-layout {
    padding: 16px;
  }

  .question-top {
    flex-direction: column;
  }

  .theme-tag {
    max-width: 100%;
    text-align: left;
  }

  .review-item summary,
  .history-head {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  h1 {
    max-width: none;
  }

  .summary-grid,
  .result-grid,
  .review-meta-grid {
    grid-template-columns: 1fr;
  }

  .hero-intro {
    font-size: 0.95rem;
  }

  .chip {
    font-size: 0.84rem;
    padding: 10px 12px;
  }

  .toolbar,
  .actions {
    align-items: stretch;
  }

  .toolbar-left,
  .toolbar-right,
  .actions-left,
  .actions-right {
    width: 100%;
  }

  .toolbar-right .button,
  .actions-left .button {
    flex: 1 1 0;
  }

  .question-index {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .option {
    grid-template-columns: 52px minmax(0, 1fr);
    padding: 14px;
  }

  .option-text {
    font-size: 0.96rem;
  }

  .summary-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .summary-metric {
    padding: 10px 8px;
  }

  .summary-metric strong {
    font-size: 1.22rem;
  }

  .summary-metric span {
    font-size: 0.72rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0ms !important;
    scroll-behavior: auto !important;
  }
}