:root {
  color-scheme: light;
  --bg: #f5f7f9;
  --paper: #fff;
  --ink: #172d32;
  --muted: #5d7075;
  --line: #d8e2e3;
  --accent: #226447;
  --accent-soft: #edf4e6;
  --lime: #dcf48a;
  --peach: #f8e9d9;
  --wrong: #a53730;
  --radius: 8px;
  font-family: "Segoe UI", system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  font-synthesis: none;
}
* {
  box-sizing: border-box;
  letter-spacing: 0;
}
body {
  margin: 0;
  line-height: 1.6;
}
button,
input,
select {
  font: inherit;
}
button,
a,
input,
select,
summary {
  -webkit-tap-highlight-color: transparent;
}
button,
a {
  touch-action: manipulation;
}
button {
  cursor: pointer;
}
button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}
a {
  color: inherit;
  text-underline-offset: 4px;
}
button {
  color: inherit;
}
:focus-visible {
  outline: 3px solid #4e81b0;
  outline-offset: 4px;
}
[hidden] {
  display: none !important;
}
.container {
  width: calc(100% - 32px);
  max-width: 1160px;
  margin-inline: auto;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  padding: 12px;
  z-index: 30;
  clip-path: inset(50%);
  background: var(--ink);
  color: white;
}
.skip-link:focus {
  clip-path: none;
}
.site-header {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  font-size: 1.55rem;
  font-weight: 800;
  line-height: 1.2;
}
.brand img {
  flex: none;
}
.brand small {
  display: none;
  font-size: 0.7rem;
  color: var(--muted);
  font-weight: 500;
  margin-top: 4px;
}
.header-score {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 0.875rem;
}
.header-score small {
  display: none;
  font-size: 0.7rem;
  color: var(--muted);
}
.level-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  color: var(--accent);
  font-weight: 800;
}
.view-tabs {
  display: flex;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  margin-top: 16px;
}
.view-tabs button {
  min-height: 52px;
  padding: 8px 0;
  background: none;
  border: 0;
  border-bottom: 3px solid transparent;
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 600;
}
.view-tabs [aria-current] {
  color: var(--accent);
  border-color: var(--accent);
}
.page-heading {
  padding-block: 32px 28px;
}
.eyebrow {
  margin: 0 0 12px;
  font-size: 0.68rem;
  font-weight: 750;
  color: var(--accent);
  letter-spacing: 0;
}
h1 {
  margin: 0;
  font-size: 2rem;
  line-height: 1.16;
  font-weight: 800;
}
h2 {
  font-size: 1.125rem;
  font-weight: 750;
  line-height: 1.4;
  margin: 0;
}
.dashboard-grid {
  display: grid;
  gap: 32px;
  align-items: start;
}
.section-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}
.quiet {
  color: var(--muted);
  font-size: 0.75rem;
}
.mode-fieldset {
  border: 0;
  padding: 0;
  margin: 0;
  min-width: 0;
}
.modes {
  display: grid;
  gap: 10px;
}
.mode-option {
  position: relative;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  column-gap: 10px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  cursor: pointer;
  transition:
    border-color 0.2s,
    background 0.2s;
}
.mode-option input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}
.mode-option:has(:focus-visible) {
  outline: 3px solid #4e81b0;
  outline-offset: 3px;
}
.mode-option:has(:checked) {
  border: 2px solid var(--accent);
  padding: 15px;
  background: var(--accent-soft);
}
.mode-number {
  grid-row: 1/4;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 800;
  padding-top: 3px;
}
.mode-option strong {
  font-size: 0.9375rem;
}
.mode-option > span:not(.mode-number) {
  font-size: 0.72rem;
  color: var(--muted);
}
.setup-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-block: 28px 20px;
}
.control-label {
  font-size: 0.875rem;
  font-weight: 650;
}
.segmented {
  display: flex;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #eaf0f1;
}
.segmented button {
  border: 0;
  border-radius: 4px;
  background: none;
  font-size: 0.75rem;
  padding: 8px 12px;
  min-height: 40px;
  font-weight: 650;
}
.segmented button[aria-pressed="true"] {
  background: var(--paper);
  color: var(--accent);
  box-shadow: 0 1px 3px #172d3214;
}
.segmented span {
  margin-inline: 4px;
}
.selection {
  border-block: 1px solid var(--line);
}
.selection summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 17px 0;
  cursor: pointer;
  list-style: none;
}
.selection summary::-webkit-details-marker {
  display: none;
}
.selection summary strong {
  display: block;
  font-size: 0.875rem;
}
.selection summary small {
  display: block;
  color: var(--muted);
  font-size: 0.75rem;
  margin-top: 2px;
}
.selection[open] summary .icon {
  transform: rotate(180deg);
}
.selection-content {
  padding-bottom: 20px;
}
.check-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8125rem;
  min-height: 44px;
}
input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
  flex: none;
}
.group-unit {
  border: 0;
  padding: 12px 0 0;
  margin: 12px 0 0;
  border-top: 1px solid var(--line);
}
.group-unit legend {
  padding: 0;
  font-weight: 700;
  font-size: 0.8125rem;
}
.group-unit label {
  color: var(--muted);
}
.group-unit label span {
  margin-left: auto;
  font-size: 0.7rem;
}
.source-note {
  font-size: 0.75rem;
  color: var(--muted);
}
.source-note {
  line-height: 1.7;
}
.review-setting {
  padding-block: 12px;
}
.count {
  background: #e5ecec;
  font-size: 0.68rem;
  border-radius: 4px;
  padding: 0 6px;
}
.primary,
.secondary {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid transparent;
  border-radius: 6px;
  padding: 12px 22px;
  font-weight: 700;
  text-decoration: none;
  font-size: 0.875rem;
}
.primary {
  background: var(--accent);
  color: white;
}
.primary:hover:not(:disabled) {
  filter: brightness(0.92);
}
.secondary {
  background: transparent;
  border-color: var(--line);
}
.start-button {
  width: 100%;
  justify-content: flex-start;
  margin-top: 8px;
}
.start-button > span {
  margin-left: auto;
  font-size: 0.75rem;
  font-weight: 500;
  opacity: 0.85;
}
.icon {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
}
.journey {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.journey-heading {
  position: relative;
  padding: 24px 22px 20px;
}
.journey-heading h2 {
  padding-right: 65px;
}
.level-label {
  position: absolute;
  top: 25px;
  right: 20px;
  font-size: 0.68rem;
  color: var(--accent);
  font-weight: 700;
  background: var(--accent-soft);
  padding: 5px 8px;
  border-radius: 4px;
}
.journey-image {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 68/43;
}
.journey-progress {
  padding: 20px 22px 0;
}
.journey-progress > div {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 4px 12px;
}
.journey-progress strong {
  font-size: 0.8125rem;
}
progress {
  display: block;
  appearance: none;
  width: 100%;
  height: 7px;
  border: 0;
  border-radius: 4px;
  overflow: hidden;
  background: #e5ecec;
  color: var(--accent);
}
progress::-webkit-progress-bar {
  background: #e5ecec;
}
progress::-webkit-progress-value {
  background: var(--accent);
  border-radius: 4px;
  transition: width 0.3s;
}
progress::-moz-progress-bar {
  background: var(--accent);
  border-radius: 4px;
}
.journey-progress progress {
  margin-top: 10px;
}
.daily {
  margin: 22px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.daily > div {
  display: flex;
  align-items: center;
  gap: 10px;
}
.daily-icon {
  display: grid;
  place-items: center;
  background: var(--peach);
  color: #87563c;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.3rem;
}
.daily strong {
  display: block;
  font-size: 0.8125rem;
}
.daily small {
  display: block;
  color: var(--muted);
  font-size: 0.68rem;
}
.daily b {
  margin-left: auto;
  font-size: 0.8125rem;
}
.daily progress {
  margin-top: 14px;
}
.mini-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid var(--line);
  padding: 20px 22px;
  gap: 20px;
}
.mini-stats > div + div {
  border-left: 1px solid var(--line);
  padding-left: 20px;
}
.mini-stats strong {
  display: block;
  font-size: 1.3rem;
}
.mini-stats span {
  color: var(--muted);
  font-size: 0.68rem;
}
.footer {
  margin-top: 60px;
  padding-block: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 20px;
  color: var(--muted);
  font-size: 0.75rem;
}
.footer-brand {
  font-weight: 800;
  font-size: 1rem;
  color: var(--accent);
  text-decoration: none;
}
.footer > div {
  display: flex;
  gap: 20px;
  align-items: center;
  margin-left: auto;
}
.text-button {
  padding: 8px 0;
  min-height: 44px;
  background: none;
  border: 0;
  color: var(--accent);
  font-size: 0.8125rem;
  text-decoration: underline;
  text-underline-offset: 4px;
}
.footer .text-button {
  font-size: inherit;
  color: inherit;
}
.notice {
  padding: 14px 16px;
  background: #fff0db;
  color: #75501c;
  border-left: 3px solid #c99b47;
  font-size: 0.8125rem;
}
.compact {
  padding-bottom: 30px;
}
.word-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: 24px;
}
input[type="search"],
input[type="text"],
select {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px 14px;
  min-height: 48px;
  background: var(--paper);
  color: var(--ink);
  max-width: 100%;
}
.search-field {
  flex: 1;
  min-width: 240px;
}
.search-field input {
  width: 100%;
}
.word-tools > label:not(.search-field) {
  flex: 1;
  min-width: 240px;
}
.word-tools select {
  width: 100%;
  font-size: 0.875rem;
}
.word-list {
  border-top: 1px solid var(--line);
}
.word-row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.word-row strong {
  font-weight: 650;
}
.word-row .translation {
  color: var(--muted);
}
.word-row small {
  color: var(--muted);
  font-size: 0.68rem;
}
.word-row .word-status {
  color: var(--accent);
}
.subheading {
  margin: 32px 0 18px;
}
.achievement-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 24px 40px;
  padding: 24px 0;
  border-block: 1px solid var(--line);
}
.achievement-summary strong {
  display: block;
  font-size: 1.5rem;
  color: var(--accent);
}
.achievement-summary span {
  font-size: 0.75rem;
  color: var(--muted);
}
.badges {
  display: grid;
  gap: 16px;
}
.badge {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}
.badge-mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  flex: none;
  border-radius: 50%;
  border: 2px dashed #9aa9a9;
  color: #6f7f82;
  font-weight: 800;
}
.badge.unlocked .badge-mark {
  background: var(--lime);
  color: #28462c;
  border-style: solid;
  border-color: #c2d376;
}
.badge h3 {
  font-size: 0.9375rem;
  margin: 0;
}
.badge p {
  margin: 3px 0 8px;
  color: var(--muted);
  font-size: 0.75rem;
}
.badge small {
  font-size: 0.7rem;
  color: var(--muted);
}
.rewards {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.reward {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 150px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
  padding: 14px 18px;
  text-align: left;
}
.reward[aria-pressed="true"] {
  border: 2px solid var(--accent);
  padding: 13px 17px;
}
.swatch {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  flex: none;
}
.swatch.mar {
  background: #245ba8;
}
.swatch.sol {
  background: #a04a32;
}
.reward strong {
  display: block;
  font-size: 0.875rem;
}
.reward small {
  display: block;
  font-size: 0.68rem;
}
.data-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 32px;
}
.danger {
  color: var(--wrong);
}
dialog {
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: var(--paper);
  box-shadow: 0 20px 100px #172d3233;
  padding: 0;
  max-height: calc(100dvh - 24px);
  width: calc(100% - 24px);
}
dialog::backdrop {
  background: #11272894;
  backdrop-filter: blur(4px);
}
.game-dialog {
  max-width: 720px;
}
.game-shell {
  padding: 20px;
}
.game-header {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--paper);
  display: flex;
  align-items: center;
  gap: 8px;
}
.game-header .eyebrow {
  margin: 0;
  flex: 1;
}
.game-counter {
  font-size: 0.75rem;
  color: var(--muted);
}
.icon-button {
  display: grid;
  place-items: center;
  min-width: 44px;
  min-height: 44px;
  padding: 10px;
  border: 1px solid var(--line);
  background: transparent;
  border-radius: 6px;
}
#round-progress {
  margin: 16px 0 22px;
}
.question-meta {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 0.68rem;
}
.question-label {
  color: var(--muted);
  font-size: 0.875rem;
  margin: 26px 0 8px;
}
#question {
  font-size: 1.65rem;
  line-height: 1.3;
  min-height: 1.3em;
  overflow-wrap: anywhere;
  outline: none;
}
.question-context {
  font-size: 0.75rem;
  color: var(--muted);
  margin: 12px 0;
}
.question-context:empty {
  display: none;
}
.choices {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}
.answer-choice {
  min-height: 60px;
  padding: 14px 16px;
  text-align: left;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 0.9375rem;
  display: flex;
  align-items: center;
  gap: 12px;
}
.answer-choice .choice-letter {
  display: grid;
  place-items: center;
  width: 25px;
  height: 25px;
  flex: none;
  background: #edf2f3;
  border-radius: 4px;
  font-size: 0.7rem;
  color: var(--muted);
}
.answer-choice:hover:not(:disabled) {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.answer-choice:disabled {
  opacity: 1;
  cursor: default;
}
.answer-choice.correct {
  border: 2px solid var(--accent);
  padding: 13px 15px;
  background: var(--accent-soft);
}
.answer-choice.wrong {
  border: 2px solid var(--wrong);
  padding: 13px 15px;
  background: #fff0eb;
}
#answer-form > input {
  width: 100%;
  font-size: 1rem;
}
#answer-form > button {
  width: 100%;
  margin-top: 12px;
}
.accent-keys {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 10px;
}
.accent-keys button {
  min-width: 36px;
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--bg);
}
.hint-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.75rem;
  min-height: 56px;
}
.hint-row span {
  color: var(--muted);
}
.feedback {
  padding: 14px;
  border-radius: 6px;
  background: var(--accent-soft);
  font-size: 0.875rem;
  margin-top: 4px;
}
.feedback.wrong {
  background: #fff0eb;
  color: #8e332d;
}
.feedback small {
  display: block;
  margin-top: 5px;
  font-size: 0.75rem;
}
.next-button {
  width: 100%;
  margin-top: 12px;
}
.game-footer {
  margin-top: 22px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--accent);
}
#timer {
  min-width: 3ch;
  text-align: right;
  color: var(--accent);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
#timer.urgent {
  color: var(--wrong);
}
.small-dialog {
  max-width: 470px;
  padding: 24px;
}
.small-dialog p {
  font-size: 0.875rem;
  color: var(--muted);
}
.small-dialog > button {
  width: 100%;
  margin-top: 12px;
}
.dialog-title {
  display: flex;
  align-items: start;
  gap: 20px;
  justify-content: space-between;
}
.dialog-title h2 {
  font-size: 1.3rem;
}
.results-dialog {
  max-width: 560px;
  padding: 32px 24px;
  text-align: center;
}
.results-dialog h2 {
  font-size: 1.65rem;
}
.result-stamp {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  margin: 20px auto;
  background: var(--lime);
  border-radius: 50%;
  font-size: 1.6rem;
  color: #226447;
}
.results-dialog > p:not(.eyebrow) {
  color: var(--muted);
  font-size: 0.875rem;
}
.result-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-block: 24px;
}
.result-stats strong {
  display: block;
  font-size: 1.35rem;
  color: var(--accent);
}
.result-stats span {
  font-size: 0.7rem;
  color: var(--muted);
}
.results-dialog > button {
  width: 100%;
  margin-top: 10px;
}
.result-reward {
  font-weight: 700;
}
#result-errors {
  text-align: left;
  font-size: 0.8125rem;
}
#result-errors details {
  border-block: 1px solid var(--line);
  padding-block: 14px;
}
#result-errors summary {
  cursor: pointer;
}
.error-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-block: 10px;
  border-bottom: 1px solid var(--line);
}
.error-row span {
  color: var(--muted);
}
.not-found {
  max-width: 600px;
  width: calc(100% - 40px);
  margin: 15vh auto;
}
[data-theme="mar"] {
  --accent: #245ba8;
  --accent-soft: #edf3fc;
  --lime: #cbe4fa;
}
[data-theme="sol"] {
  --accent: #a04a32;
  --accent-soft: #fbefe5;
  --lime: #f5dba5;
}
@media (min-width: 540px) {
  .container {
    width: calc(100% - 48px);
  }
  .brand small,
  .header-score small {
    display: block;
  }
  h1 {
    font-size: 2.65rem;
  }
  .page-heading {
    padding-block: 40px 32px;
  }
  .modes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .mode-option {
    display: flex;
    flex-direction: column;
    padding: 18px 15px;
    gap: 8px;
    min-height: 124px;
  }
  .mode-option:has(:checked) {
    padding: 17px 14px;
  }
  .mode-number {
    padding: 0;
  }
  .mode-option strong {
    font-size: 0.875rem;
  }
  .mode-option > span:not(.mode-number) {
    font-size: 0.68rem;
  }
  .choices {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .game-shell {
    padding: 28px;
  }
  #question {
    font-size: 2rem;
  }
  .word-row {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(120px, 0.7fr);
    gap: 20px;
    align-items: center;
  }
  .badges {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (min-width: 900px) {
  .dashboard-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 48px;
  }
  .page-heading {
    padding-top: 44px;
    padding-bottom: 36px;
  }
  .journey {
    margin-top: 0;
  }
  .brand {
    font-size: 1.6rem;
  }
}
@media (prefers-reduced-motion: no-preference) {
  .result-stamp {
    animation: stamp 0.45s ease both;
  }
  @keyframes stamp {
    from {
      transform: scale(0.6) rotate(-15deg);
      opacity: 0;
    }
    to {
      transform: scale(1) rotate(0);
      opacity: 1;
    }
  }
}
@media (forced-colors: active) {
  .mode-option:has(:checked),
  .segmented [aria-pressed="true"] {
    outline: 2px solid Highlight;
  }
  .icon {
    stroke: ButtonText;
  }
  progress {
    border: 1px solid CanvasText;
  }
}