:root {
  color-scheme: light;
  --color-bg: #fff8e8;
  --color-bg-soft: #eaf6ff;
  --color-card: #ffffff;
  --color-ink: #25314a;
  --color-muted: #667085;
  --color-primary: #6fa8ff;
  --color-primary-dark: #4f83e8;
  --color-accent: #ffd66b;
  --color-mint: #8be6c1;
  --color-coral: #ff9e7a;
  --color-pink: #ffb6cf;
  --color-border: #f0d9b5;
  --color-good: #25a86f;
  --color-soft-good: #e9fff5;
  --color-warn: #f18f01;
  --color-soft-warn: #fff4d8;
  --color-danger: #e25c67;
  --color-soft-danger: #fff0f3;
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-round: 999px;
  --shadow-card: 0 10px 24px rgba(37, 49, 74, 0.1);
  --shadow-button: 0 6px 0 rgba(37, 49, 74, 0.16);
  --shadow-soft: 0 16px 40px rgba(37, 49, 74, 0.12);
  --shadow-glow: 0 0 22px rgba(255, 214, 107, 0.55);
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --font-page-title: clamp(2.75rem, 7vw, 4rem);
  --font-section-title: clamp(1.65rem, 4vw, 2.125rem);
  --font-body: clamp(1.125rem, 2vw, 1.375rem);
  --font-question: clamp(1.5rem, 3vw, 2rem);
  --font-button: clamp(1.125rem, 2vw, 1.5rem);
}

* {
  box-sizing: border-box;
}

[hidden],
.is-hidden {
  display: none !important;
}

html {
  min-height: 100%;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

body {
  margin: 0;
  min-height: 100vh;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  color: var(--color-ink);
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  font-size: 20px;
  background:
    radial-gradient(circle at 8% 16%, rgba(255, 182, 207, 0.45), transparent 18%),
    radial-gradient(circle at 92% 12%, rgba(139, 230, 193, 0.38), transparent 20%),
    radial-gradient(circle at 70% 88%, rgba(111, 168, 255, 0.22), transparent 24%),
    linear-gradient(135deg, #fff8e8 0%, #eaf6ff 54%, #effff7 100%);
  background-attachment: fixed;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.48;
  background-image:
    radial-gradient(circle, rgba(255, 214, 107, 0.55) 0 3px, transparent 4px),
    radial-gradient(circle, rgba(111, 168, 255, 0.32) 0 5px, transparent 6px),
    linear-gradient(45deg, transparent 0 46%, rgba(255, 255, 255, 0.32) 46% 54%, transparent 54%);
  background-size: 58px 58px, 92px 92px, 120px 120px;
  background-position: 0 0, 30px 20px, 0 0;
}

body.modal-open {
  overflow: hidden;
}

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

button {
  cursor: pointer;
  touch-action: manipulation;
  transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease, background-color 0.18s ease;
}

button:hover {
  transform: translateY(-2px);
  filter: brightness(1.02);
}

button:active {
  transform: translateY(3px);
  box-shadow: 0 2px 0 rgba(37, 49, 74, 0.16) !important;
}

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

h1 {
  margin: 0;
  color: var(--color-ink);
  font-size: var(--font-page-title);
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  margin-bottom: var(--space-4);
  color: var(--color-ink);
  font-size: var(--font-section-title);
  line-height: 1.2;
}

h3 {
  font-size: 1.5rem;
}

.app-shell {
  width: min(1280px, 100%);
  margin: 0 auto;
  padding: max(18px, env(safe-area-inset-top)) var(--space-5) max(28px, env(safe-area-inset-bottom));
}

.topbar {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: var(--space-5);
  align-items: center;
  min-height: 132px;
  overflow: hidden;
  border: 3px solid rgba(255, 255, 255, 0.78);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 12% 18%, rgba(255, 255, 255, 0.78), transparent 22%),
    linear-gradient(135deg, #ffffff, #eaf6ff 52%, #fff4d8);
  box-shadow: var(--shadow-soft);
  padding: var(--space-5);
}

.topbar::after {
  content: "✦  1  +  2  ✧";
  position: absolute;
  right: 22px;
  bottom: 10px;
  color: rgba(111, 168, 255, 0.22);
  font-size: 3rem;
  font-weight: 1000;
  pointer-events: none;
}

.hero-subtitle {
  margin: var(--space-2) 0 0;
  color: var(--color-muted);
  font-size: 1.25rem;
  font-weight: 900;
}

.hero-status {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-2);
  max-width: 420px;
}

.hero-status span,
.pill,
.grade-badge {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  border-radius: var(--radius-round);
  padding: 7px 13px;
  color: var(--color-ink);
  font-size: 1rem;
  font-weight: 1000;
}

.hero-status span:nth-child(1) {
  background: var(--color-bg-soft);
}

.hero-status span:nth-child(2) {
  background: #fff4d8;
  box-shadow: var(--shadow-glow);
}

.hero-status span:nth-child(3) {
  background: #e9fff5;
}

.topbar,
.list-header,
.quiz-head,
.top-actions,
.filter-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.topbar {
  display: grid;
}

.list-header {
  justify-content: space-between;
}

.icon-button {
  display: grid;
  width: 64px;
  height: 64px;
  place-items: center;
  border: 0;
  border-radius: 22px;
  background: linear-gradient(180deg, #fff, #fff4d8);
  color: var(--color-ink);
  box-shadow: var(--shadow-button), var(--shadow-card);
}

[data-icon] {
  display: inline-block;
  width: 28px;
  height: 28px;
}

.tabs {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: var(--space-3);
  margin: var(--space-5) 0;
}

.tab {
  position: relative;
  min-height: 74px;
  border: 0;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.84);
  color: var(--color-muted);
  font-size: 1.12rem;
  font-weight: 1000;
  box-shadow: var(--shadow-card);
}

.tab::before {
  display: block;
  margin-bottom: 3px;
  font-size: 1.55rem;
  line-height: 1;
}

.tab[data-view="quiz"]::before {
  content: "⭐";
}

.tab[data-view="review"]::before {
  content: "🏠";
}

.tab[data-view="stats"]::before {
  content: "🏅";
}

.tab[data-view="avatars"]::before {
  content: "🎨";
}

.tab[data-view="rewards"]::before {
  content: "🎁";
}

.tab[data-view="admin"]::before {
  content: "🔐";
}

.tab[data-view="admin"] {
  background: rgba(255, 255, 255, 0.62);
  color: #708198;
  font-size: 1rem;
}

.tab[data-view="admin"].is-active {
  background: linear-gradient(180deg, #eef7ff, #dcecff);
  color: var(--color-primary-dark);
  box-shadow: 0 6px 0 rgba(111, 168, 255, 0.22), 0 0 0 4px rgba(234, 246, 255, 0.8);
}

.tab.is-active {
  transform: translateY(-4px) scale(1.01);
  background: linear-gradient(180deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  box-shadow: 0 8px 0 rgba(79, 131, 232, 0.35), 0 0 0 5px rgba(234, 246, 255, 0.9);
}

.tab.is-active::after {
  content: "✦";
  position: absolute;
  top: 7px;
  right: 13px;
  color: var(--color-accent);
}

.view {
  display: none;
}

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

.workspace {
  padding: 0;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(330px, 410px) minmax(0, 1fr);
  gap: var(--space-5);
  align-items: start;
}

body:not(.quiz-focus) #quizWorkspace {
  grid-template-columns: minmax(760px, 1060px);
  justify-content: center;
}

body:not(.quiz-focus) .quiz-stage {
  display: none;
}

.panel,
.quiz-stage,
.question-card,
.quiz-item,
.stats-card,
.reward-card,
.history-row,
.mistake-row,
.summary-card,
.part-answer,
.selected-answer {
  border: 2px solid rgba(255, 255, 255, 0.82);
  border-radius: var(--radius-lg);
  background: var(--color-card);
  box-shadow: var(--shadow-card);
}

.panel {
  padding: var(--space-5);
}

.controls-panel {
  position: sticky;
  top: var(--space-4);
}

.controls-panel h2 {
  margin-bottom: var(--space-5);
}

.quiz-stage {
  min-height: 68vh;
  padding: var(--space-5);
}

label {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  color: var(--color-muted);
  font-size: 1.1rem;
  font-weight: 900;
}

input,
select,
textarea {
  width: 100%;
  min-height: 60px;
  border: 3px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fffdf8;
  color: var(--color-ink);
  padding: 12px 16px;
  font-size: 1.2rem;
  font-weight: 900;
  box-shadow: inset 0 2px 0 rgba(37, 49, 74, 0.04);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-primary);
  outline: 0;
  box-shadow: 0 0 0 5px rgba(111, 168, 255, 0.22);
}

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

.count-grid,
.source-mode-buttons {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.source-mode-buttons {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: var(--space-4);
}

.primary,
.secondary,
.source-mode,
.choice-button,
.part-choice-row button,
.mark-correct,
.mark-wrong {
  display: inline-flex;
  min-height: 62px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 0;
  border-radius: var(--radius-md);
  padding: 0 20px;
  color: var(--color-ink);
  font-size: var(--font-button);
  font-weight: 1000;
  text-align: center;
  box-shadow: var(--shadow-button);
}

.primary {
  width: 100%;
  background: linear-gradient(180deg, var(--color-mint), #5acfa3);
}

.secondary,
.source-mode,
.choice-button,
.part-choice-row button {
  background: linear-gradient(180deg, #fff, #f9fbff);
  box-shadow: var(--shadow-button), var(--shadow-card);
}

.source-mode {
  position: relative;
  min-height: 96px;
  align-content: center;
  flex-direction: column;
  padding: var(--space-4);
}

.source-mode::after {
  content: none;
  display: none;
}

.source-mode.is-active,
.part-choice-row button.is-selected {
  transform: translateY(-3px) scale(1.01);
  background: linear-gradient(180deg, var(--color-bg-soft), #d9edff);
  box-shadow: 0 8px 0 rgba(111, 168, 255, 0.34), 0 0 0 5px rgba(111, 168, 255, 0.2);
}

.source-mode[data-source-mode="strongest"] {
  background: linear-gradient(180deg, #fff1f8, #ffd3e8);
  color: #9b2f64;
  box-shadow: 0 6px 0 rgba(255, 142, 188, 0.34), var(--shadow-card);
}

.source-mode[data-source-mode="strongest"].is-active {
  background: linear-gradient(180deg, #ff9cc7, #ff6b9d);
  color: #fff;
  box-shadow: 0 8px 0 rgba(198, 72, 126, 0.36), 0 0 0 5px rgba(255, 182, 207, 0.32);
}

.primary:disabled,
.primary.is-disabled,
button:disabled {
  opacity: 0.62;
  cursor: default;
  transform: none;
  filter: saturate(0.75);
}

.mark-correct {
  background: var(--color-soft-good);
  color: var(--color-good);
}

.mark-wrong {
  background: var(--color-soft-danger);
  color: var(--color-danger);
}

.summary-card {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding: var(--space-4);
  color: var(--color-muted);
}

.summary-card strong {
  color: var(--color-ink);
  font-size: 1.2rem;
}

.reward-summary {
  position: relative;
  overflow: hidden;
  min-height: 128px;
  place-items: center;
  margin: 0 0 var(--space-4);
  border: 0;
  background:
    radial-gradient(circle at 18% 20%, rgba(255, 255, 255, 0.72), transparent 24%),
    linear-gradient(135deg, var(--color-accent), #fff2b8);
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

.reward-summary::before {
  content: "✦";
  position: absolute;
  left: var(--space-4);
  top: var(--space-3);
  color: rgba(255, 255, 255, 0.82);
  font-size: 2rem;
}

.reward-summary strong {
  color: #8a5b00;
  font-size: clamp(2.35rem, 7vw, 4rem);
  line-height: 1;
  text-shadow: 0 2px 0 rgba(255, 255, 255, 0.78);
}

.reward-summary strong::after,
.big-points::after {
  content: " ⭐";
}

.reward-summary span {
  color: #7a5b00;
  font-weight: 900;
}

.child-buttons {
  display: grid;
  grid-template-columns: repeat(5, minmax(112px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.child-button {
  position: relative;
  display: grid;
  min-height: 142px;
  place-items: center;
  gap: var(--space-2);
  border: 3px solid transparent;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 50% 18%, rgba(255, 255, 255, 0.85), transparent 32%),
    linear-gradient(180deg, #fff, #fff6dc);
  color: var(--color-ink);
  padding: var(--space-3);
  text-align: center;
  font-size: 1.25rem;
  font-weight: 1000;
  box-shadow: var(--shadow-button), var(--shadow-card);
}

.child-button::before {
  display: grid;
  width: 76px;
  height: 76px;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(180deg, #fff, #eaf6ff);
  font-size: 2.65rem;
  box-shadow: inset 0 -4px 0 rgba(37, 49, 74, 0.06);
}

.child-button.has-avatar::before,
.child-button:has(.character-img)::before {
  display: none;
}

.character-img {
  display: block;
  width: 78px;
  height: 78px;
  border: 4px solid #fff;
  border-radius: 50%;
  background: #fff;
  object-fit: cover;
  box-shadow: 0 7px 16px rgba(37, 49, 74, 0.12);
}

.child-button[data-child-id="yaya"]::before {
  content: "⭐";
}

.child-button[data-child-id="chacha"]::before {
  content: "☁";
}

.child-button[data-child-id="yiyi"]::before {
  content: "✏";
}

.child-button[data-child-id="mimi"]::before {
  content: "🌙";
}

.child-button[data-child-id="malu"]::before {
  content: "🍬";
}

.child-button strong {
  font-size: 1.25rem;
}

.child-button span,
.child-button small {
  color: var(--color-muted);
  font-weight: 900;
}

.test-account-group {
  display: grid;
  grid-column: 1 / -1;
  gap: var(--space-2);
  border: 2px dashed rgba(111, 168, 255, 0.45);
  border-radius: var(--radius-xl);
  background: rgba(238, 247, 255, 0.72);
  padding: var(--space-3);
}

.test-account-group > span,
.test-badge {
  color: var(--color-primary-dark);
  font-weight: 1000;
}

.test-badge {
  display: inline-grid;
  min-height: 28px;
  place-items: center;
  border-radius: var(--radius-round);
  background: #eef7ff;
  padding: 3px 10px;
  font-size: 0.82rem;
}

.child-button.is-test-account {
  border-style: dashed;
  background:
    radial-gradient(circle at 50% 18%, rgba(255, 255, 255, 0.85), transparent 32%),
    linear-gradient(180deg, #fff, #eef7ff);
}

.child-button.is-active {
  transform: translateY(-5px);
  border-color: var(--color-primary);
  background: linear-gradient(180deg, #fff, var(--color-bg-soft));
  box-shadow: 0 9px 0 rgba(111, 168, 255, 0.35), 0 0 0 5px rgba(111, 168, 255, 0.18);
}

.big-points {
  display: grid;
  min-height: 150px;
  place-items: center;
  border: 0;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 50% 20%, rgba(255, 255, 255, 0.72), transparent 26%),
    linear-gradient(135deg, #fff2b8, var(--color-accent));
  color: #8a5b00;
  font-size: clamp(2.8rem, 8vw, 4.75rem);
  font-weight: 1000;
  text-shadow: 0 2px 0 rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

.reward-list,
.reward-history,
.question-list,
.quiz-list,
.stats-list,
.recent-list,
.stats-grid,
.recent-bars {
  display: grid;
  gap: var(--space-4);
}

.reward-list {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.reward-balance-card {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, #fff, #eefcf7);
  box-shadow: var(--shadow-card);
  padding: var(--space-3);
}

.reward-balance-card span {
  display: grid;
  gap: 4px;
  border-radius: var(--radius-lg);
  background: #fff;
  padding: var(--space-3);
  color: var(--color-muted);
  font-weight: 900;
  text-align: center;
}

.reward-balance-card strong {
  color: var(--color-primary-dark);
  font-size: 1.55rem;
}

.reward-card {
  position: relative;
  display: grid;
  min-height: 228px;
  align-content: space-between;
  gap: var(--space-3);
  padding: var(--space-5);
  overflow: hidden;
}

.reward-card::before {
  display: grid;
  width: 92px;
  height: 92px;
  place-items: center;
  justify-self: center;
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, #fff, #fff4d8);
  font-size: 3.4rem;
  box-shadow: var(--shadow-card);
}

.reward-card:nth-of-type(1)::before {
  content: "📺";
}

.reward-card:nth-of-type(2)::before {
  content: "🧁";
}

.reward-card:nth-of-type(3)::before {
  content: "🗺";
}

.reward-card div {
  display: grid;
  gap: var(--space-2);
  text-align: center;
}

.reward-card strong {
  font-size: 1.35rem;
}

.reward-card span,
.reward-card small,
.history-row span,
.stats-record span,
.muted,
.empty-state p {
  color: var(--color-muted);
  font-weight: 800;
}

.reward-card small {
  display: inline-flex;
  justify-content: center;
  border-radius: var(--radius-round);
  background: var(--color-bg-soft);
  padding: 6px 10px;
}

.reward-card .secondary,
.redeem-reward {
  justify-self: center;
  min-width: 132px;
  min-height: 62px;
  border-radius: var(--radius-round);
  background: linear-gradient(180deg, var(--color-pink), #ff8fb9);
}

.history-row,
.mistake-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4);
}

.reward-history-head {
  margin-top: var(--space-5);
}

.admin-page {
  display: grid;
  gap: var(--space-5);
  overflow: hidden;
}

.admin-panel,
.admin-request-list {
  display: grid;
  gap: var(--space-4);
}

.parent-admin-gate {
  display: flex;
  width: 100%;
  min-height: 520px;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
  box-sizing: border-box;
}

.parent-admin-card {
  display: grid;
  width: min(100%, 520px);
  gap: var(--space-4);
  width: min(100%, 520px);
  border-radius: 32px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 18px 40px rgba(37, 49, 74, 0.1), var(--shadow-glow);
  padding: 32px;
  text-align: center;
}

.parent-admin-card .lock-icon {
  display: grid;
  width: 86px;
  height: 86px;
  place-items: center;
  justify-self: center;
  border-radius: 50%;
  background: linear-gradient(180deg, #eef7ff, #fff8e8);
  font-size: 2.8rem;
  box-shadow: var(--shadow-card);
}

.parent-admin-card h2 {
  margin: 0;
  color: var(--color-primary-dark);
  font-size: clamp(2rem, 5vw, 3rem);
}

.parent-admin-card p {
  margin: 0;
  color: var(--color-muted);
  font-weight: 900;
  line-height: 1.7;
}

.parent-admin-card label {
  display: grid;
  gap: var(--space-2);
  color: var(--color-primary-dark);
  font-weight: 1000;
  text-align: left;
}

.parent-admin-card input {
  min-height: 64px;
  border-radius: var(--radius-lg);
  font-size: 1.45rem;
  text-align: center;
}

.parent-admin-card .primary {
  min-height: 60px;
  border-radius: var(--radius-round);
  background: linear-gradient(180deg, var(--color-mint), #56c89f);
}

.parent-admin-card .helper {
  border-radius: var(--radius-lg);
  background: #f6fbff;
  padding: var(--space-3);
}

.error-card {
  border: 2px solid #ffd1d7;
  border-radius: var(--radius-lg);
  background: #fff0f2;
  color: #a33448;
  padding: var(--space-3);
  font-weight: 1000;
  line-height: 1.6;
  text-align: left;
}

.error-card.info {
  border-color: #c2e0ff;
  background: #f0f7ff;
  color: var(--color-primary-dark);
}

.admin-request-card {
  display: grid;
  gap: var(--space-3);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, #fff, #f6fbff);
  box-shadow: var(--shadow-card);
  padding: var(--space-5);
}

.admin-request-card > div:first-child,
.admin-request-actions {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
}

.admin-request-card p {
  margin: 0;
  color: var(--color-muted);
  font-weight: 900;
}

.admin-request-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-2);
}

.admin-request-metrics span {
  border-radius: var(--radius-md);
  background: #fff;
  padding: var(--space-2);
  font-weight: 900;
}

.admin-request-metrics b {
  color: var(--color-primary-dark);
}

.empty-state {
  display: grid;
  min-height: 52vh;
  max-width: 680px;
  margin: auto;
  align-content: center;
  justify-items: center;
  text-align: center;
}

.empty-state.small {
  min-height: 160px;
}

.empty-state h2 {
  margin-bottom: var(--space-3);
  font-size: clamp(2rem, 4vw, 3rem);
}

.quiz-progress {
  margin-bottom: var(--space-4);
  border: 0;
  border-radius: var(--radius-lg);
  background: #fff;
  padding: var(--space-4);
  color: var(--color-ink);
  font-size: 1.12rem;
  font-weight: 1000;
  box-shadow: var(--shadow-card);
}

.quiz-progress::after {
  content: "";
  display: block;
  height: 10px;
  margin-top: var(--space-2);
  border-radius: var(--radius-round);
  background: linear-gradient(90deg, var(--color-primary), var(--color-mint), var(--color-accent));
}

.quiz-section-title {
  margin: 4px 0 0;
  color: var(--color-primary-dark);
  font-size: 1.5rem;
}

.quiz-item,
.question-card {
  padding: var(--space-5);
}

.quiz-head {
  align-items: flex-start;
}

.quiz-number {
  display: inline-grid;
  flex: 0 0 auto;
  width: 54px;
  height: 54px;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(180deg, var(--color-accent), #ffc846);
  color: #7a5b00;
  font-size: 1.35rem;
  font-weight: 1000;
  box-shadow: var(--shadow-button);
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.pill {
  background: var(--color-bg-soft);
}

.mistake-pill {
  background: var(--color-soft-danger);
  color: var(--color-danger);
}

.question-text {
  white-space: pre-wrap;
  color: var(--color-ink);
  font-size: var(--font-question);
  line-height: 1.85;
}

.question-image-wrap,
.answer-image-wrap {
  overflow: auto;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: #fff;
}

.question-image-wrap img,
.answer-image-wrap img {
  display: block;
  max-width: 100%;
  height: auto;
}

.question-pdf-wrap {
  overflow: hidden;
}

.question-pdf {
  display: block;
  width: 100%;
  height: min(78vh, 760px);
  border: 0;
  background: #fff;
}

.answer-box {
  display: grid;
  gap: var(--space-4);
  max-width: 860px;
  margin: 0;
  color: var(--color-muted);
  font-size: 1.2rem;
  font-weight: 1000;
}

.choice-buttons {
  display: grid;
  grid-template-columns: repeat(4, minmax(110px, 1fr));
  gap: var(--space-3);
}

.choice-button {
  min-height: 62px;
  border: 3px solid transparent;
  border-radius: 20px;
  padding: 0 24px;
  font-size: 22px;
  font-weight: 1000;
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.05), inset 0 -4px 0 rgba(0, 0, 0, 0.1);
}

.choice-button:nth-child(1) {
  border-color: #ffd1d7;
  background: #fff0f2;
  color: #d6455d;
}

.choice-button:nth-child(2) {
  border-color: #c2e0ff;
  background: #f0f7ff;
  color: #3b7bbf;
}

.choice-button:nth-child(3) {
  border-color: #ffefa3;
  background: #fffdf0;
  color: #a17820;
}

.choice-button:nth-child(4) {
  border-color: #c2f0c5;
  background: #f2fff0;
  color: #3b8c40;
}

.choice-button.is-selected {
  transform: translateY(2px);
  color: #fff;
  box-shadow: none;
}

.choice-button:nth-child(1).is-selected {
  border-color: #ff6b8b;
  background: #ff6b8b;
  box-shadow: 0 0 15px #ff6b8b;
}

.choice-button:nth-child(2).is-selected {
  border-color: #5aa7ff;
  background: #5aa7ff;
  box-shadow: 0 0 15px #5aa7ff;
}

.choice-button:nth-child(3).is-selected {
  border-color: #ffd24d;
  background: #f2b91f;
  box-shadow: 0 0 15px #ffd24d;
}

.choice-button:nth-child(4).is-selected {
  border-color: #6bd67b;
  background: #55bd61;
  box-shadow: 0 0 15px #6bd67b;
}

.choice-buttons[hidden],
.answer-input[hidden],
.multi-answer-input[hidden] {
  display: none !important;
}

.answer-input {
  width: min(100%, 780px);
  min-height: 116px;
  resize: vertical;
  line-height: 1.6;
}

.answer-input.is-locked,
.answer-input:disabled,
.choice-button.is-locked {
  background: #f3f6fb;
  color: var(--color-muted);
}

.multi-answer-input {
  display: grid;
  gap: var(--space-3);
  max-width: 860px;
}

.part-answer {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-3);
}

.part-answer strong {
  color: var(--color-primary-dark);
}

.slot-grid,
.choice-slot-grid {
  display: grid;
  gap: var(--space-2);
}

.choice-slot {
  display: grid;
  gap: var(--space-2);
}

.part-choice-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-2);
}

.part-choice-row button {
  min-height: 60px;
}

.part-choice-row button:disabled,
.multi-answer-input input:disabled {
  cursor: default;
  background: #f3f6fb;
  color: var(--color-muted);
}

.nav-actions,
.finish-actions,
.correction-actions {
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  gap: var(--space-3);
  align-items: center;
  margin-top: var(--space-2);
}

.finish-actions,
.correction-actions {
  grid-template-columns: repeat(2, minmax(150px, 1fr));
}

.correction-actions {
  grid-template-columns: minmax(140px, 0.8fr) minmax(190px, 1.2fr) minmax(140px, 0.8fr);
}

.nav-actions .primary,
.finish-actions .primary,
.correction-actions .primary {
  width: auto;
}

.skip-question::before {
  content: "🎒 ";
}

.prev-question::before {
  content: "← ";
}

.next-question::after {
  content: " ✨";
}

#abandonQuiz::before {
  content: "🏡 ";
}

.nav-actions .skip-question[hidden],
.nav-actions .modify-answer[hidden],
.nav-actions[hidden] {
  display: none !important;
}

.finish-screen,
.result-screen {
  display: grid;
  min-height: 52vh;
  max-width: 720px;
  margin: auto;
  align-content: center;
  justify-items: center;
  gap: var(--space-4);
  text-align: center;
}

.route-choice-page {
  width: 100%;
  max-width: 100vw;
  min-height: 100%;
  overflow-x: hidden;
  align-content: start;
  justify-items: center;
  padding: 72px 24px 32px;
  box-sizing: border-box;
}

.route-choice-inner {
  width: min(100%, 720px);
  min-width: 0;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.route-choice-title,
.route-choice-subtitle {
  text-align: center;
}

.finish-screen p {
  color: var(--color-muted);
  line-height: 1.7;
}

.result-screen p {
  white-space: pre-line;
}

.route-warning {
  border-radius: var(--radius-lg);
  background: var(--color-soft-warn);
  color: #8a5b00 !important;
  padding: var(--space-3) var(--space-4);
}

.route-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  width: 100%;
  margin-top: 32px;
}

.route-card {
  min-width: 0;
  display: grid;
  gap: var(--space-3);
  align-content: space-between;
  border: 3px solid rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, #fff, #fff8e8);
  box-shadow: var(--shadow-card);
  padding: var(--space-5);
  overflow: hidden;
}

.route-card h3 {
  margin: 0;
  color: var(--color-primary-dark);
  font-size: 1.7rem;
}

.route-card p,
.route-card small {
  margin: 0;
  color: var(--color-muted);
  font-weight: 900;
  line-height: 1.65;
}

.route-card:nth-child(2) {
  background: linear-gradient(180deg, #fff, #eef7ff);
}

.route-choice-page .finish-actions {
  display: flex;
  width: 100%;
  justify-content: center;
  margin-top: 26px;
}

.route-choice-page .finish-actions .secondary {
  width: min(260px, 100%);
  min-height: 58px;
}

.time-up-screen {
  width: 100%;
  max-width: 100vw;
  min-height: 100%;
  overflow-x: hidden;
  padding: clamp(24px, 5vh, 56px) 18px;
  box-sizing: border-box;
}

.time-up-inner {
  display: grid;
  width: min(100%, 720px);
  gap: var(--space-4);
  justify-items: center;
  margin: 0 auto;
  text-align: center;
}

.time-up-inner h2 {
  margin: 0;
  color: var(--color-primary-dark);
  font-size: clamp(2.2rem, 6vw, 4rem);
}

.time-up-inner > p {
  max-width: 680px;
  margin: 0;
  border-radius: var(--radius-xl);
  background: var(--color-soft-warn);
  color: #8a5b00;
  padding: var(--space-4);
  font-size: 1.18rem;
  font-weight: 900;
  line-height: 1.8;
}

.time-up-cards {
  margin-top: var(--space-2);
}

.time-up-cards .route-card {
  align-content: start;
}

.time-up-cards .route-card .primary {
  margin-top: auto;
}

.result-kicker {
  margin-bottom: var(--space-2);
  color: var(--color-primary-dark);
  font-weight: 1000;
}

.result-screen h2 {
  margin-bottom: var(--space-2);
  color: #f2a300;
  font-size: clamp(2.8rem, 7vw, 5rem);
  text-shadow: 0 3px 0 rgba(255, 255, 255, 0.78);
}

.result-mascot {
  display: grid;
  width: 172px;
  height: 172px;
  place-items: center;
  border: 8px solid #fff;
  border-radius: 50%;
  background: linear-gradient(180deg, #fff, #fff8e8);
  box-shadow: var(--shadow-card), var(--shadow-glow);
  overflow: hidden;
}

.result-mascot img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.selected-answer,
.grade-result {
  color: var(--color-ink);
  padding: var(--space-3);
  font-weight: 1000;
}

.grade-result {
  display: grid;
  gap: var(--space-2);
}

.grade-badge.ok {
  background: var(--color-soft-good);
  color: var(--color-good);
}

.grade-badge.bad {
  background: var(--color-soft-danger);
  color: var(--color-danger);
}

.grade-badge.manual {
  background: var(--color-bg-soft);
  color: var(--color-primary-dark);
}

.answer-panel {
  border-top: 2px solid var(--color-border);
  padding-top: var(--space-3);
}

.quiz-item.is-reviewing {
  grid-template-columns: 1fr;
  align-items: start;
}

.answer-modal,
.question-modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  background: rgba(37, 49, 74, 0.58);
  padding: max(12px, env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) max(12px, env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left));
}

.question-modal {
  z-index: 30;
}

.answer-modal-dialog,
.question-modal-dialog {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  width: min(1080px, 100%);
  max-height: 100%;
  margin: auto;
  border-radius: var(--radius-xl);
  background: var(--color-card);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.question-modal-dialog {
  width: 100%;
  height: 100%;
  min-height: 0;
}

.answer-modal-head,
.question-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  border-bottom: 2px solid var(--color-border);
  background: linear-gradient(135deg, var(--color-bg-soft), #fff);
  padding: var(--space-3);
}

.answer-modal-head strong,
.question-modal-head strong {
  font-size: 1.25rem;
}

.answer-modal-body,
.question-modal-body {
  background: #fff;
  padding: var(--space-3);
}

.answer-modal-body {
  display: grid;
  overflow: hidden;
}

.answer-modal-image {
  display: grid;
  min-height: 100%;
  place-items: center;
}

.answer-modal-image img {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: calc(100vh - 110px);
  object-fit: contain;
  background: #fff;
}

.question-modal-tools {
  display: flex;
  flex: 0 0 auto;
  gap: var(--space-2);
}

.question-modal-tools .secondary {
  min-height: 52px;
  padding: 6px 14px;
}

.question-modal-body {
  display: block;
  height: 100%;
  min-height: 0;
  overflow: auto;
  cursor: zoom-out;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.question-modal-body .question-image-wrap {
  display: block;
  width: 100%;
  min-height: 0;
  overflow: visible;
  border: 0;
  border-radius: 0;
  padding: var(--space-3);
  text-align: center;
  box-shadow: none;
}

.question-modal-body .question-image-wrap img {
  display: inline-block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: none;
  vertical-align: top;
  pointer-events: none;
  user-select: none;
}

.question-modal-body .question-pdf {
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
}

.question-modal-body .question-text {
  width: min(920px, 100%);
  min-height: 0;
  overflow: auto;
  margin: 0 auto;
  padding: var(--space-4);
  font-size: 1.55rem;
}

.pending-answer {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  color: var(--color-muted);
  text-align: center;
}

.avatar-panel {
  display: grid;
  gap: var(--space-5);
}

.avatar-child-buttons {
  grid-template-columns: repeat(5, minmax(112px, 1fr));
}

.avatar-current {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--color-bg-soft), #fff);
  padding: var(--space-5);
  box-shadow: var(--shadow-card);
}

.avatar-preview {
  display: grid;
  width: 126px;
  height: 126px;
  flex: 0 0 auto;
  place-items: center;
  border: 6px solid #fff;
  border-radius: 50%;
  background: #fff;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.avatar-preview img,
.avatar-preview span {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-preview span {
  display: grid;
  place-items: center;
  color: var(--color-primary-dark);
  font-size: 3rem;
  font-weight: 1000;
}

.avatar-current strong {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--color-primary-dark);
  font-size: 2rem;
}

.avatar-current span {
  color: var(--color-muted);
  font-weight: 900;
}

.avatar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(112px, 1fr));
  gap: var(--space-3);
}

.avatar-choice {
  display: grid;
  min-height: 126px;
  place-items: center;
  border: 3px solid transparent;
  border-radius: var(--radius-xl);
  background: #fff;
  box-shadow: var(--shadow-button), var(--shadow-card);
  padding: var(--space-3);
}

.avatar-choice img {
  display: block;
  width: 88px;
  height: 88px;
  border-radius: 50%;
  object-fit: cover;
  background: #fff;
}

.avatar-choice.is-active {
  transform: translateY(-5px);
  border-color: var(--color-primary);
  background: var(--color-bg-soft);
  box-shadow: 0 9px 0 rgba(111, 168, 255, 0.34), 0 0 0 5px rgba(111, 168, 255, 0.18);
}

.view#view-rewards .two-column {
  grid-template-columns: minmax(300px, 350px) minmax(0, 1fr);
}

.view#view-rewards .controls-panel {
  display: grid;
  gap: var(--space-4);
  align-content: start;
  overflow: hidden;
}

.view#view-rewards .controls-panel h2 {
  margin-bottom: 0;
  text-align: center;
}

.view#view-rewards .child-buttons {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
  margin-bottom: 0;
}

.view#view-rewards .child-button {
  min-width: 0;
  min-height: 112px;
  border-radius: var(--radius-lg);
  padding: var(--space-2);
}

.view#view-rewards .character-img {
  width: 60px;
  height: 60px;
}

.view#view-rewards .child-button::before {
  width: 56px;
  height: 56px;
  font-size: 2rem;
}

.view#view-rewards .child-button strong {
  font-size: 1.1rem;
}

.view#view-rewards .big-points {
  min-height: 142px;
  font-size: clamp(2.5rem, 7vw, 4rem);
}

.view#view-rewards .reward-history {
  max-height: 420px;
  overflow: auto;
  padding-right: 4px;
}

.stats-list {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.stats-card {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-5);
}

.stats-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
}

.stats-hero {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}

.stats-avatar {
  width: 72px;
  height: 72px;
  flex: 0 0 72px;
  border: 4px solid #fff;
  border-radius: 50%;
  background: #fff8e8;
  object-fit: cover;
  box-shadow: 0 6px 0 rgba(255, 214, 107, 0.45), var(--shadow-card);
}

.stats-head h3 {
  margin: 0 0 var(--space-2);
  font-size: 1.65rem;
}

.stats-head p,
.stats-head strong {
  margin: 0;
  color: var(--color-muted);
  font-weight: 900;
}

.stats-head strong {
  border-radius: var(--radius-round);
  background: #fff4d8;
  color: #8a5b00;
  padding: 10px 14px;
}

.stat-meter {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 64px;
  gap: 9px 12px;
  align-items: center;
}

.stat-meter div:first-child {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  grid-column: 1 / -1;
}

.stat-meter span {
  color: var(--color-muted);
  font-weight: 900;
}

.meter-track {
  height: 16px;
  overflow: hidden;
  border-radius: var(--radius-round);
  background: #edf2f7;
}

.meter-track span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--color-primary), var(--color-mint), var(--color-accent));
  transition: width 0.25s ease;
}

.stat-meter b {
  text-align: right;
  color: var(--color-primary-dark);
}

.bar-row {
  display: flex;
  align-items: end;
  gap: var(--space-2);
  min-height: 106px;
  border-radius: var(--radius-lg);
  background: #f9fbff;
  padding: var(--space-3);
}

.recent-bar {
  position: relative;
  display: block;
  flex: 1;
  min-height: 10px;
  border-radius: 14px 14px 6px 6px;
  background: linear-gradient(180deg, var(--color-accent), var(--color-pink));
}

.recent-bar b {
  position: absolute;
  right: 50%;
  bottom: calc(100% + 6px);
  transform: translateX(50%);
  color: var(--color-ink);
  font-size: 0.82rem;
}

.stats-record {
  display: grid;
  gap: var(--space-1);
  border-top: 2px solid #f3e6cf;
  padding-top: var(--space-2);
}

.achievements-page {
  display: grid;
  gap: var(--space-5);
  overflow: hidden;
}

.achievements-header {
  margin-bottom: 0;
}

.achievement-child-selector {
  display: flex;
  gap: var(--space-3);
  overflow-x: auto;
  padding: 4px 4px var(--space-3);
  scroll-snap-type: x proximity;
}

.achievement-child-card {
  display: grid;
  min-width: 150px;
  scroll-snap-align: start;
  justify-items: center;
  gap: 5px;
  border: 3px solid transparent;
  border-radius: var(--radius-xl);
  background: #fff;
  box-shadow: var(--shadow-button), var(--shadow-card);
  padding: var(--space-3);
  color: var(--color-ink);
  text-align: center;
}

.achievement-child-card.is-active {
  transform: translateY(-4px) scale(1.02);
  border-color: var(--color-mint);
  background: linear-gradient(180deg, #fff, #eefcf7);
  box-shadow: 0 10px 0 rgba(101, 213, 176, 0.22), var(--shadow-glow);
}

.achievement-child-avatar {
  display: grid;
  width: 70px;
  height: 70px;
  place-items: center;
  overflow: hidden;
  border: 5px solid #fff;
  border-radius: 50%;
  background: #fff8e8;
  box-shadow: var(--shadow-card);
}

.achievement-child-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.achievement-child-card strong {
  font-size: 1.25rem;
}

.achievement-child-card small,
.achievement-child-card em {
  color: var(--color-muted);
  font-style: normal;
  font-weight: 900;
}

.achievement-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
  border-radius: var(--radius-xl);
  background: #f6fbff;
  padding: var(--space-2);
}

.achievement-tab {
  min-height: 58px;
  border: 0;
  border-radius: var(--radius-lg);
  background: transparent;
  color: var(--color-primary-dark);
  font-size: 1.15rem;
  font-weight: 1000;
}

.achievement-tab.is-active {
  background: linear-gradient(180deg, #fff, #fff8e8);
  box-shadow: var(--shadow-button);
}

.achievement-content {
  width: min(100%, 1040px);
  margin: 0 auto;
}

.achievement-overview,
.badge-wall {
  display: grid;
  gap: var(--space-5);
}

.achievement-hero-card,
.achievement-section,
.parent-stats,
.achievement-empty,
.attempt-record-card {
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, #fff, #fffaf0);
  box-shadow: var(--shadow-card);
  padding: var(--space-5);
}

.achievement-hero-card {
  display: grid;
  gap: var(--space-4);
}

.achievement-hero-head {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.achievement-hero-avatar,
.achievement-empty-avatar {
  width: 104px;
  height: 104px;
  flex: 0 0 104px;
  border: 6px solid #fff;
  border-radius: 50%;
  background: #fff8e8;
  object-fit: cover;
  box-shadow: 0 8px 0 rgba(255, 214, 107, 0.35), var(--shadow-card);
}

.achievement-hero-head h3 {
  margin: 0 0 var(--space-2);
  color: var(--color-primary-dark);
  font-size: clamp(2rem, 5vw, 3.4rem);
}

.achievement-hero-head span {
  color: var(--color-muted);
  font-weight: 1000;
}

.level-progress .meter-track,
.next-goal-card .meter-track,
.badge-card .meter-track {
  height: 14px;
}

.achievement-quick-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-3);
}

.achievement-quick-stats div {
  display: grid;
  gap: 4px;
  border-radius: var(--radius-lg);
  background: #f6fbff;
  padding: var(--space-3);
  text-align: center;
}

.achievement-quick-stats strong {
  color: var(--color-primary-dark);
  font-size: clamp(1.55rem, 4vw, 2.2rem);
}

.achievement-quick-stats span,
.achievement-section-title p,
.achievement-section > p {
  color: var(--color-muted);
  font-weight: 900;
}

.achievement-section-title {
  margin-bottom: var(--space-4);
}

.achievement-section h3,
.achievement-section-title h3,
.parent-stats summary {
  margin: 0 0 var(--space-2);
  color: var(--color-primary-dark);
  font-size: 1.65rem;
  font-weight: 1000;
}

.next-goal-grid,
.badge-grid,
.parent-stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
}

.next-goal-card,
.badge-card,
.parent-stat {
  display: grid;
  gap: var(--space-2);
  min-width: 0;
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: 0 8px 20px rgba(37, 49, 74, 0.08);
  padding: var(--space-4);
}

.next-goal-card > span,
.badge-card > span {
  font-size: 2rem;
}

.next-goal-card strong,
.badge-card strong {
  color: var(--color-ink);
  font-size: 1.2rem;
}

.next-goal-card em,
.badge-card em {
  color: var(--color-primary-dark);
  font-style: normal;
  font-weight: 1000;
}

.badge-card.unlocked {
  background: linear-gradient(180deg, #fff, #fff2c7);
  box-shadow: 0 10px 0 rgba(255, 214, 107, 0.35), var(--shadow-glow);
}

.badge-card.inProgress {
  background: linear-gradient(180deg, #fff, #eefcf7);
}

.badge-card.locked {
  background: #f8fbff;
  opacity: 0.72;
}

.badge-card p,
.badge-card small,
.next-goal-card p,
.attempt-record-card p {
  margin: 0;
  color: var(--color-muted);
  font-weight: 900;
  line-height: 1.55;
}

.recent-score-row {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--space-2);
  margin: var(--space-3) 0;
}

.recent-score-row span {
  display: grid;
  min-height: 64px;
  place-items: center;
  border-radius: var(--radius-lg);
  background: #eef7ff;
  color: var(--color-primary-dark);
  font-size: 1.35rem;
  font-weight: 1000;
}

.parent-stats summary {
  cursor: pointer;
}

.parent-stat span,
.parent-stat small {
  color: var(--color-muted);
  font-weight: 900;
}

.parent-stat strong {
  color: var(--color-primary-dark);
  font-size: 1.45rem;
}

.attempt-record-list {
  display: grid;
  gap: var(--space-3);
}

.attempt-record-card {
  display: grid;
  gap: var(--space-3);
}

.attempt-record-card > div:first-child {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
}

.attempt-record-card > div:first-child span {
  color: var(--color-muted);
  font-weight: 900;
}

.attempt-record-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
}

.attempt-record-metrics span {
  border-radius: var(--radius-md);
  background: #f6fbff;
  padding: var(--space-2);
  font-weight: 900;
}

.attempt-record-metrics b {
  color: var(--color-primary-dark);
}

.achievement-empty,
.achievement-soft-empty {
  display: grid;
  justify-items: center;
  gap: var(--space-3);
  text-align: center;
}

.achievement-empty h3 {
  margin: 0;
  color: var(--color-primary-dark);
  font-size: 2rem;
}

.achievement-empty p {
  margin: 0;
  color: var(--color-muted);
  font-size: 1.15rem;
  font-weight: 900;
  line-height: 1.8;
}

.achievement-soft-empty {
  border-radius: var(--radius-lg);
  background: #f6fbff;
  color: var(--color-muted);
  padding: var(--space-4);
  font-weight: 900;
}

body.quiz-focus .topbar > div:first-child,
body.quiz-focus .hero-status,
body.quiz-focus .top-actions,
body.quiz-focus .tabs,
body.quiz-focus .topbar,
body.quiz-focus .controls-panel {
  display: none;
}

body.quiz-focus .two-column {
  grid-template-columns: 1fr;
}

body.quiz-focus .quiz-stage {
  width: min(calc(100vw - 16px), calc((100vh - 16px) * 3 / 4));
  height: min(calc(100vh - 16px), calc((100vw - 16px) * 4 / 3));
  min-height: 0;
  margin: 0 auto;
  overflow: hidden;
  position: relative;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: var(--space-2);
  padding: var(--space-3);
}

body.route-choice .quiz-stage {
  width: min(100vw, 100%);
  height: min(100dvh, 1180px);
  max-width: 100vw;
  margin: 0 auto;
  padding: 0;
  overflow: hidden;
}

body.route-choice .quiz-focus-actions {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  min-height: 0;
}

body.route-choice .quiz-list,
body.route-choice .result-screen,
body.route-choice .submit-screen {
  display: none !important;
}

body.quiz-focus .app-shell {
  display: grid;
  width: 100vw;
  min-height: 100vh;
  grid-template-rows: minmax(0, 1fr);
  align-content: center;
  place-items: stretch center;
  padding: 12px;
}

body.quiz-focus main,
body.quiz-focus #view-quiz,
body.quiz-focus #quizWorkspace {
  width: 100%;
}

body.quiz-focus .workspace {
  padding: 0;
}

.quiz-focus-actions {
  display: none;
}

body.quiz-focus .quiz-focus-actions {
  display: flex;
  justify-content: flex-end;
  min-height: 40px;
}

body.quiz-focus .quiz-focus-actions .secondary {
  min-height: 36px;
  border-radius: var(--radius-md);
  padding: 0 var(--space-3);
  font-size: 0.95rem;
  background: rgba(255, 255, 255, 0.86);
}

body.quiz-focus .quiz-progress {
  position: absolute;
  top: 13px;
  left: 12px;
  right: 170px;
  min-height: 36px;
  margin: 0;
  padding: 7px 10px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-size: 0.95rem;
}

body.quiz-focus .quiz-progress::after {
  height: 5px;
  margin-top: 4px;
}

body.quiz-focus .quiz-list {
  min-height: 0;
  height: auto;
  grid-template-rows: minmax(0, 1fr);
}

body.quiz-focus .quiz-section-title {
  display: none;
}

body.quiz-focus .quiz-item {
  display: flex;
  flex-direction: column;
  height: 100%;
  max-height: 100%;
  min-height: 0;
  overflow: hidden;
  gap: var(--space-2);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
}

body.quiz-focus .quiz-head {
  flex: 0 0 auto;
  min-height: 42px;
}

body.quiz-focus .question-body {
  display: grid;
  flex: 1 1 auto;
  height: auto;
  min-height: 0;
  min-width: 0;
  overflow: hidden;
  cursor: zoom-in;
}

body.quiz-focus .question-image-wrap {
  display: grid;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  place-items: center;
  padding: var(--space-2);
}

body.quiz-focus .fit-question-media {
  display: grid;
  width: 100%;
  height: 100%;
  min-height: 0;
  overflow: hidden;
  place-items: center;
  padding: var(--space-2);
}

body.quiz-focus .question-image-wrap img {
  display: block;
  min-width: 0;
  min-height: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center center;
}

body.quiz-focus .fit-question-media img {
  position: static;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

body.quiz-focus .question-text {
  height: 100%;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: #fff;
  padding: var(--space-4);
  font-size: clamp(1.18rem, 2.3vh, 1.5rem);
}

body.quiz-focus .question-pdf {
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
}

body.quiz-focus .answer-dock {
  display: grid;
  grid-template-rows: minmax(0, 78px) 50px;
  flex: 0 0 auto;
  gap: var(--space-2);
  width: 100%;
  min-height: 140px;
  border: 2px solid rgba(255, 214, 107, 0.42);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 248, 232, 0.98));
  box-shadow: 0 10px 24px rgba(37, 49, 74, 0.12);
  padding: 6px;
  overflow: hidden;
}

body.quiz-focus .answer-dock:has(.nav-actions[hidden]) {
  display: none;
}

body.quiz-focus .answer-dock:has(.selected-answer:not([hidden])) {
  grid-template-rows: minmax(0, 64px) auto 50px;
}

body.quiz-focus .answer-dock .selected-answer:not([hidden]) {
  margin: 0;
  padding: 6px 10px;
  border-radius: var(--radius-md);
  font-size: 0.92rem;
}

body.quiz-focus .answer-box {
  display: grid;
  width: 100%;
  min-width: 0;
  max-width: none;
  grid-template-columns: 78px minmax(0, 1fr);
  align-items: stretch;
  min-height: 0;
  height: 100%;
  max-height: none;
  overflow: hidden;
  margin: 0;
  border: 0;
  border-radius: var(--radius-md);
  background: transparent;
  box-shadow: none;
  padding: 0;
  font-size: 0.92rem;
}

body.quiz-focus .answer-box > span {
  display: grid;
  min-width: 0;
  place-items: center;
  border-radius: var(--radius-md);
  background: #eef7ff;
  color: var(--color-primary-dark);
  font-size: 0.95rem;
  line-height: 1.2;
  text-align: center;
}

body.quiz-focus .choice-buttons {
  grid-template-columns: repeat(4, minmax(86px, 1fr));
  gap: var(--space-2);
}

body.quiz-focus .choice-button {
  min-height: 55px;
  border-radius: 20px;
  font-size: 22px;
}

body.quiz-focus .answer-input {
  width: 100%;
  min-height: 40px;
  max-height: 40px;
  resize: none;
  padding: 8px 10px;
  line-height: 1.25;
  font-size: 1rem;
}

body.quiz-focus .multi-answer-input {
  min-width: 0;
  height: 100%;
  max-width: none;
  display: flex;
  gap: var(--space-2);
  align-items: stretch;
  overflow-x: hidden;
  overflow-y: hidden;
  padding: 0;
}

body.quiz-focus .part-answer {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto minmax(0, 1fr);
  align-items: stretch;
  min-width: 0;
  max-width: none;
  min-height: 58px;
  height: 58px;
  gap: 4px;
  padding: 5px 7px;
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: 0 6px 14px rgba(37, 49, 74, 0.08);
}

body.quiz-focus .part-answer[data-slot-count="1"] {
  flex: 0.75 1 120px;
}

body.quiz-focus .part-answer[data-slot-count="2"] {
  flex: 1 1 160px;
}

body.quiz-focus .part-answer[data-slot-count="3"] {
  flex: 1.35 1 210px;
}

body.quiz-focus .part-answer[data-slot-count="4"] {
  flex: 1.65 1 260px;
}

body.quiz-focus .part-answer[data-slot-count="5"],
body.quiz-focus .part-answer[data-slot-count="6"] {
  flex: 2.1 1 330px;
}

body.quiz-focus .part-answer strong {
  color: var(--color-primary-dark);
  font-size: 0.82rem;
  line-height: 1.1;
  white-space: nowrap;
}

body.quiz-focus .slot-grid {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(44px, 1fr);
  gap: 4px;
  min-width: 0;
}

body.quiz-focus .multi-answer-input input {
  min-width: 0;
  min-height: 30px;
  padding: 3px 6px;
  font-size: 0.86rem;
}

body.quiz-focus .part-choice-row {
  display: flex;
  gap: 5px;
}

body.quiz-focus .part-choice-row button {
  min-height: 30px;
  padding: 3px 7px;
  white-space: nowrap;
  font-size: 0.84rem;
}

body.quiz-focus .choice-slot-grid {
  display: flex;
  gap: var(--space-2);
}

body.quiz-focus .choice-slot {
  min-width: 0;
}

body.quiz-focus .nav-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 0;
  gap: var(--space-2);
  align-self: stretch;
  width: 100%;
  min-height: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  padding: 0;
}

body.quiz-focus .quiz-item.is-checking .nav-actions {
  grid-template-columns: 1fr 1fr 1.2fr;
}

body.quiz-focus .quiz-item.is-checking .skip-question {
  display: none !important;
}

body.quiz-focus .quiz-item.is-checking .modify-answer {
  min-height: 56px;
  border-radius: 20px;
}

body.quiz-focus .quiz-item.is-checking .next-question {
  min-height: 56px;
  border-radius: 20px;
  font-weight: 1000;
}

body.quiz-focus .nav-actions .primary,
body.quiz-focus .nav-actions .secondary {
  min-height: 50px;
  border-radius: var(--radius-md);
  padding-inline: var(--space-2);
  font-size: 1rem;
}

body.quiz-focus .finish-screen,
body.quiz-focus .result-screen {
  grid-row: 2;
  width: 100%;
  height: 100%;
  min-height: 0;
  max-width: none;
  align-content: center;
  justify-items: center;
  padding: clamp(18px, 4vh, 42px);
}

body.route-choice .finish-screen.route-choice-page {
  grid-row: 2;
  width: 100%;
  max-width: 100vw;
  height: 100%;
  min-height: 0;
  margin: 0;
  align-content: start;
  justify-items: center;
  padding: 72px 24px 32px;
  overflow-x: hidden;
  text-align: center;
}

@media (max-width: 1024px) {
  .app-shell {
    padding-inline: var(--space-4);
  }

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

  .hero-status {
    justify-content: flex-start;
  }

  .two-column,
  body:not(.quiz-focus) #quizWorkspace {
    grid-template-columns: 1fr;
  }

  .controls-panel {
    position: static;
  }

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

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

  .view#view-rewards .two-column {
    grid-template-columns: 1fr;
  }

  .view#view-rewards .controls-panel {
    position: static;
  }

  .view#view-rewards .child-buttons {
    grid-template-columns: repeat(5, minmax(90px, 1fr));
    overflow-x: auto;
    padding-bottom: var(--space-2);
  }

  .view#view-rewards .child-button {
    min-width: 90px;
  }

  .next-goal-grid,
  .badge-grid,
  .parent-stat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .achievement-quick-stats,
  .attempt-record-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 780px) {
  .tabs {
    position: sticky;
    top: 0;
    z-index: 4;
    grid-template-columns: repeat(6, minmax(92px, 1fr));
    overflow-x: auto;
    border-radius: var(--radius-lg);
    background: rgba(255, 248, 232, 0.94);
    padding-block: var(--space-2);
  }

  .tab {
    min-height: 68px;
  }

  .child-buttons,
  .avatar-child-buttons {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .source-mode-buttons,
  .count-grid,
  .route-cards,
  .nav-actions,
  .finish-actions,
  .correction-actions,
  .history-row,
  .mistake-row,
  .choice-buttons {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .choice-button {
    min-height: 74px;
  }

  .list-header,
  .filter-row,
  .avatar-current {
    align-items: stretch;
    flex-direction: column;
  }

  .achievement-tabs,
  .next-goal-grid,
  .badge-grid,
  .parent-stat-grid,
  .achievement-quick-stats,
  .attempt-record-metrics,
  .reward-balance-card,
  .admin-request-metrics,
  .recent-score-row {
    grid-template-columns: 1fr;
  }

  .achievement-hero-head,
  .attempt-record-card > div:first-child,
  .admin-request-card > div:first-child,
  .admin-request-actions {
    align-items: stretch;
    flex-direction: column;
  }
}

@media print {
  body {
    background: #fff;
  }

  .topbar,
  .tabs,
  .controls-panel,
  .answer-box,
  .nav-actions,
  .quiz-progress,
  .finish-screen,
  .result-screen,
  .answer-panel {
    display: none !important;
  }

  .app-shell,
  .quiz-stage {
    width: 100%;
    padding: 0;
    border: 0;
    box-shadow: none;
  }

  .two-column {
    display: block;
  }

  .quiz-item {
    break-inside: avoid;
    margin-bottom: 14px;
  }
}