:root {
  font-family: ui-rounded, "Avenir Next", "Trebuchet MS", sans-serif;
  color: #264c43;
  font-synthesis: none;
  background: #d9edf0;
  font-weight: 500;
  --forest: #285244;
  --ink: #264c43;
  --paper: #fffdf1;
  --yellow: #ffdf8d;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
button,
select {
  font: inherit;
}
button,
a,
select {
  -webkit-tap-highlight-color: transparent;
}
button {
  cursor: pointer;
  color: inherit;
}
button:focus-visible,
a:focus-visible,
select:focus-visible {
  outline: 3px solid #d97945;
  outline-offset: 4px;
}
button {
  border: 0;
}
button:disabled {
  cursor: default;
}
button:active:not(:disabled) {
  transform: translateY(2px);
}
[hidden] {
  display: none !important;
}
#app {
  position: relative;
  height: 100svh;
  min-height: 650px;
  overflow: hidden;
}
#world {
  position: absolute;
  inset: 0;
  touch-action: none;
}
#world canvas {
  display: block;
  width: 100%;
  height: 100%;
}
.topbar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 4.5%;
}
.wordmark {
  font-size: 24px;
  font-weight: 900;
  text-decoration: none;
  color: var(--ink);
  letter-spacing: -1px;
  display: flex;
  align-items: center;
  gap: 7px;
}
.wordmark > span:last-child {
  font-weight: 500;
  font-size: 17px;
  letter-spacing: -0.4px;
}
.brand-frog {
  position: relative;
  display: inline-block;
  background: #7dae59;
  color: #a2c67b;
  font-size: 24px;
  line-height: 22px;
  width: 30px;
  height: 23px;
  text-align: center;
  border-radius: 6px;
  margin-right: 5px;
  box-shadow: 0 4px 0 #56824a;
}
.brand-frog:before,
.brand-frog:after {
  content: "";
  position: absolute;
  width: 5px;
  height: 5px;
  background: #264c43;
  border: 3px solid #a4cc7c;
  top: -5px;
  border-radius: 4px;
}
.brand-frog:before {
  left: 2px;
}
.brand-frog:after {
  right: 2px;
}
.top-actions {
  display: flex;
  align-items: center;
  gap: 24px;
}
.best-label {
  font-size: 13px;
}
.best-label b {
  margin-left: 8px;
}
.icon-button {
  border: 1px solid #698e7e55;
  border-radius: 50%;
  width: 42px;
  height: 42px;
  background: #fffdf1c9;
  font-size: 23px;
  display: grid;
  place-items: center;
}
.home {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.intro {
  position: absolute;
  top: 20%;
  left: 8%;
  width: 500px;
  pointer-events: auto;
}
.adventure-label {
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 20px;
  display: flex;
  gap: 8px;
  align-items: center;
}
.adventure-label > span {
  width: 7px;
  height: 7px;
  background: #5c9269;
  border-radius: 50%;
}
h1 {
  font-size: clamp(46px, 4.4vw, 66px);
  line-height: 1.01;
  letter-spacing: -3.5px;
  margin: 0;
  font-weight: 900;
}
p {
  font-size: 16px;
  line-height: 1.65;
  margin: 20px 0 24px;
  color: #486b61;
}
.setup {
  width: 330px;
}
fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}
legend {
  font-size: 12px;
  font-weight: 800;
  margin-bottom: 10px;
}
.operation-options {
  display: flex;
  gap: 8px;
}
.operation-options button {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  background: #f8fcf2c9;
  border: 1px solid #73978344;
  border-radius: 12px;
  flex: 1;
  height: 62px;
  font-size: 11px;
}
.operation-options b {
  font-size: 26px;
  line-height: 1;
}
.operation-options button[aria-pressed="true"] {
  background: var(--forest);
  color: #fffbe6;
  border-color: var(--forest);
  box-shadow: 0 3px 0 #173d31;
}
.setup-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 19px 0;
  font-size: 13px;
}
.setup-line label {
  font-weight: 800;
}
select {
  border: 0;
  border-bottom: 1px solid #729080;
  background: transparent;
  color: var(--ink);
  padding: 7px 4px;
  font-size: 13px;
}
.primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 35px;
  width: 100%;
  padding: 16px 25px;
  background: var(--yellow);
  border: 1px solid #dfbb66;
  box-shadow: 0 5px 0 #c9a660;
  border-radius: 13px;
  font-size: 21px;
  font-weight: 900;
}
.primary > span {
  font-size: 26px;
  line-height: 1;
}
.character-button {
  width: 100%;
  background: transparent;
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 12px;
  padding: 21px 0 4px;
}
.character-button > span:first-child {
  font-size: 25px;
}
.character-button > span:last-child {
  margin-left: auto;
  font-size: 11px;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.home-help {
  font-size: 11px;
  color: #507368;
  margin-top: 27px;
}
.keycaps {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 3px;
}
.help-dot {
  padding: 0 8px;
}
.world-caption {
  position: absolute;
  right: 13%;
  bottom: 13%;
  text-align: center;
  font-size: 16px;
  font-weight: 800;
}
.world-caption small {
  display: block;
  font-size: 12px;
  font-weight: 500;
  margin-top: 6px;
}
.caption-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  background: #6e925b;
  border-radius: 50%;
  margin-right: 7px;
}
footer {
  position: absolute;
  bottom: 23px;
  left: 4.5%;
  right: 4.5%;
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: #547568;
  pointer-events: auto;
}
footer button {
  background: none;
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 4px;
  font-size: 12px;
}
#hud {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.score-panel {
  position: absolute;
  top: 106px;
  left: 4.5%;
  background: #fffdf1e8;
  padding: 16px 24px 15px;
  border-radius: 16px;
  min-width: 118px;
  box-shadow: 0 5px 0 #749c7c33;
  display: flex;
  flex-direction: column;
}
.score-panel > span {
  font-size: 12px;
}
.score-panel > b {
  font-size: 44px;
  line-height: 1.1;
  letter-spacing: -2px;
}
.score-panel small {
  font-size: 11px;
  margin-top: 6px;
}
.run-actions {
  position: absolute;
  right: 4.5%;
  top: 106px;
  display: flex;
  gap: 14px;
  align-items: center;
  pointer-events: auto;
}
#hearts {
  color: #d16f57;
  font-size: 25px;
  letter-spacing: 4px;
  text-shadow: 0 2px #fff6d9;
}
.hint {
  position: absolute;
  bottom: 126px;
  left: 50%;
  transform: translateX(-50%);
  padding: 10px 20px;
  border-radius: 30px;
  background: #fffdf1e8;
  font-size: 13px;
  white-space: nowrap;
  box-shadow: 0 2px 8px #30544a15;
}
.controls {
  position: absolute;
  bottom: 30px;
  right: 4.5%;
  display: flex;
  align-items: center;
  gap: 8px;
  pointer-events: auto;
}
.controls > div {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.controls button {
  background: #fffdf1ec;
  border: 1px solid #89a79a;
  width: 49px;
  height: 43px;
  border-radius: 10px;
  box-shadow: 0 3px 0 #7f9986;
  font-size: 23px;
  touch-action: none;
}
.keyboard-hint {
  position: absolute;
  bottom: 35px;
  left: 4.5%;
  font-size: 12px;
}
.keyboard-hint span {
  padding: 0 10px;
}
#notice {
  position: absolute;
  left: 50%;
  top: 105px;
  transform: translateX(-50%);
  font-size: 14px;
  font-weight: 800;
  background: #fff2bb;
  padding: 12px 22px;
  border-radius: 30px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
}
#notice.show {
  opacity: 1;
}
dialog {
  color: var(--ink);
  background: var(--paper);
  border: 1px solid #8ca884;
  border-radius: 25px;
  padding: 32px;
  width: min(440px, calc(100% - 28px));
  max-height: 88svh;
  overflow: auto;
  box-shadow:
    0 14px 0 #203f3420,
    0 30px 100px #193c3440;
  text-align: center;
}
dialog::backdrop {
  background: #2e524b66;
  backdrop-filter: blur(4px);
}
dialog h2 {
  font-size: 30px;
  letter-spacing: -1px;
  margin: 8px 0 8px;
}
dialog p {
  font-size: 14px;
  margin: 10px 0 20px;
}
dialog .dialog-icon {
  font-size: 38px;
}
dialog .eyebrow {
  font-size: 12px;
  font-weight: 800;
  color: #68816b;
}
.equation {
  font-size: 40px;
  font-weight: 900;
  padding: 20px 0 26px;
  letter-spacing: -1px;
}
.answers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.answers button {
  background: #e9f0dd;
  border: 1px solid #becba6;
  padding: 16px;
  border-radius: 13px;
  font-size: 26px;
  font-weight: 800;
  box-shadow: 0 4px 0 #bfccac;
}
.answers button.correct {
  background: #d4e9b5;
  border-color: #87ab62;
}
.answers button.incorrect {
  background: #f8d6c5;
  border-color: #d09376;
}
.feedback {
  min-height: 48px;
  font-size: 14px;
  font-weight: 700;
  padding: 16px 0 5px;
}
.secondary {
  border: 1px solid #a4b797;
  background: #eaf0de;
  border-radius: 11px;
  padding: 13px 20px;
  font-weight: 700;
  margin-top: 15px;
  width: 100%;
}
.text-button {
  background: none;
  text-decoration: underline;
  text-underline-offset: 4px;
  padding: 17px 8px 0;
  font-size: 12px;
}
.character-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 9px;
  text-align: center;
  margin: 20px 0;
}
.character-grid button {
  border: 1px solid #c4cfb6;
  border-radius: 11px;
  padding: 10px 2px;
  background: #ecf2df;
  font-size: 11px;
}
.character-grid button span {
  display: block;
  font-size: 28px;
  margin-bottom: 5px;
}
.character-grid button:disabled {
  opacity: 0.48;
}
.character-grid button[aria-pressed="true"] {
  background: #ffe5a3;
  border-color: #c6a457;
}
.summary-score {
  font-size: 66px;
  font-weight: 900;
  letter-spacing: -3px;
  margin: 8px 0;
}
.summary-stats {
  font-size: 14px;
  margin-bottom: 25px;
  line-height: 1.8;
}
.instructions {
  text-align: left;
  padding-left: 22px;
  line-height: 1.7;
  font-size: 14px;
}
.instructions li {
  margin: 10px 0;
}
#loading,
.error-panel {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  background: #d9edf0;
  padding: 30px;
  text-align: center;
  z-index: 10;
}
.error-panel h2 {
  margin: 0;
}
.error-panel p {
  max-width: 450px;
}
body.playing .topbar .best-label {
  display: none;
}
@media (min-width: 1500px) {
  .intro {
    left: 12%;
    top: 22%;
  }
}
@media (max-height: 790px) and (min-width: 851px) {
  .intro {
    top: 16%;
  }
  h1 {
    font-size: 59px;
  }
  .intro p {
    margin: 14px 0 17px;
  }
  .home-help {
    margin-top: 18px;
  }
  .adventure-label {
    margin-bottom: 15px;
  }
}
@media (max-width: 850px) {
  #app {
    min-height: 780px;
  }
  .topbar {
    padding: 20px 22px;
  }
  .wordmark {
    font-size: 21px;
  }
  .wordmark > span:last-child {
    font-size: 14px;
  }
  .best-label {
    display: none;
  }
  .intro {
    left: 24px;
    top: 110px;
    width: 320px;
  }
  h1 {
    font-size: 53px;
  }
  .home:before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
      90deg,
      #d9edf0f0 0%,
      #d9edf0bc 30%,
      transparent 80%
    );
    pointer-events: none;
  }
  .world-caption {
    right: 6%;
    bottom: 13%;
  }
  .home-help {
    font-size: 10px;
  }
  .top-actions {
    gap: 10px;
  }
}
@media (max-width: 600px) {
  #app {
    min-height: 760px;
  }
  .topbar {
    padding: 18px 20px;
  }
  .intro {
    top: 106px;
    left: 24px;
    right: 24px;
    width: auto;
  }
  .adventure-label {
    font-size: 11px;
    margin-bottom: 14px;
  }
  h1 {
    font-size: 42px;
    letter-spacing: -2px;
  }
  .intro p {
    font-size: 14px;
    margin: 14px 0 25px;
  }
  .home:before {
    background: linear-gradient(
      180deg,
      #d9edf0 0%,
      #d9edf0e8 21%,
      #d9edf000 52%,
      #d9edf0e8 66%,
      #d9edf0 100%
    );
  }
  .setup {
    position: absolute;
    top: 328px;
    width: 100%;
  }
  .setup-line {
    margin: 14px 0;
  }
  .home-help {
    position: absolute;
    top: 620px;
    margin: 0;
    width: 100%;
    text-align: center;
  }
  .world-caption {
    display: none;
  }
  footer {
    font-size: 10px;
    bottom: 16px;
    left: 22px;
    right: 22px;
  }
  body.playing #app {
    min-height: 550px;
  }
  .score-panel {
    top: 89px;
    padding: 11px 17px;
    min-width: 94px;
  }
  .score-panel > b {
    font-size: 34px;
  }
  .run-actions {
    top: 89px;
    gap: 8px;
  }
  #hearts {
    font-size: 21px;
    letter-spacing: 0;
  }
  .hint {
    bottom: 137px;
    font-size: 11px;
    padding: 10px 14px;
    max-width: 94%;
    white-space: normal;
    text-align: center;
  }
  .controls {
    bottom: 29px;
    right: 50%;
    transform: translateX(50%);
  }
  .controls button {
    width: 59px;
    height: 43px;
  }
  .keyboard-hint {
    display: none;
  }
  #notice {
    top: 160px;
    white-space: nowrap;
    font-size: 12px;
  }
  dialog {
    padding: 24px;
  }
  dialog h2 {
    font-size: 27px;
  }
}
@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

/* Two siblings, two learning paths, one meadow. */
.player-picker {
  margin-bottom: 20px;
}
.player-options {
  display: flex;
  gap: 9px;
}
.player-options button {
  display: flex;
  align-items: center;
  gap: 9px;
  flex: 1;
  text-align: left;
  padding: 10px;
  min-height: 64px;
  background: #f7faec;
  border: 1px solid #a0b79d;
  border-radius: 12px;
}
.player-options button > span:first-child {
  font-size: 26px;
}
.player-options b {
  display: block;
  font-size: 15px;
}
.player-options small {
  display: block;
  font-size: 10px;
  line-height: 1.4;
  margin-top: 3px;
}
.player-options button[aria-pressed="true"] {
  background: #ffe5a3;
  border: 2px solid #9a7b31;
  padding: 9px;
}
#preschool-settings {
  margin: 5px 0 20px;
}
#preschool-settings > b {
  font-size: 13px;
}
#preschool-settings p {
  font-size: 13px;
  line-height: 1.7;
  margin: 9px 0;
}
#preschool-settings small {
  font-size: 11px;
  color: #486b61;
}
body:not(.playing) .intro {
  top: 14%;
}
body:not(.playing) h1 {
  font-size: clamp(44px, 4vw, 60px);
}
body:not(.playing) .intro > p {
  margin: 16px 0 21px;
}
body:not(.playing) .home-help {
  margin-top: 18px;
}
.hear-button {
  padding: 10px 18px;
  min-height: 44px;
  border-radius: 22px;
  border: 1px solid #b0c3a0;
  background: #eaf0de;
  font-size: 14px;
  font-weight: 700;
}
.hear-button:disabled {
  opacity: 0.65;
}
.speech-help {
  display: block;
  font-size: 11px;
  margin-top: 7px;
  color: #526e60;
}
.picture-question {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  margin: 22px 0;
}
.picture-question:empty {
  display: none;
}
.object-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 5px;
  max-width: 260px;
}
.object-group svg {
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
}
.picture-symbol {
  display: inline-flex;
  justify-content: center;
}
.picture-symbol svg {
  width: 61px;
  height: 61px;
}
.picture-number {
  font-size: 42px;
  font-weight: 900;
  line-height: 1.4;
}
.number-word {
  font-size: 38px;
  font-weight: 900;
}
.pattern-sequence .picture-symbol svg {
  width: 42px;
  height: 42px;
}
.pattern-next {
  display: grid;
  place-items: center;
  border: 2px dashed #98ad8e;
  border-radius: 8px;
  width: 42px;
  height: 42px;
  font-size: 28px;
}
.picture-answers {
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.picture-answers button {
  padding: 13px 7px;
  min-height: 114px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
}
.picture-answers small {
  font-size: 12px;
  font-weight: 600;
}
.picture-answers .object-group {
  max-width: 88px;
  gap: 2px;
}
.picture-answers .object-group svg {
  width: 32px;
  height: 32px;
}
@media (min-width: 851px) and (max-height: 800px) {
  body:not(.playing) .intro {
    top: 12%;
  }
  body:not(.playing) h1 {
    font-size: 46px;
  }
  body:not(.playing) .intro > p {
    margin: 10px 0 13px;
    font-size: 14px;
  }
  .player-picker {
    margin-bottom: 13px;
  }
  body:not(.playing) .home-help {
    margin-top: 12px;
  }
}
@media (max-width: 850px) and (min-width: 601px) {
  body:not(.playing) #app {
    min-height: 900px;
  }
  body:not(.playing) .intro {
    top: 110px;
    width: 380px;
  }
}
@media (max-width: 600px) {
  body:not(.playing) #app {
    min-height: 920px;
  }
  body:not(.playing) .intro {
    top: 96px;
  }
  body:not(.playing) h1 {
    font-size: 38px;
  }
  body:not(.playing) .intro > p {
    font-size: 13px;
    margin: 14px 0;
  }
  .setup {
    top: 295px;
  }
  body:not(.playing) .home-help {
    top: 740px;
    margin-top: 0;
  }
  .player-picker {
    margin-bottom: 18px;
  }
  .picture-answers {
    gap: 7px;
  }
  .picture-answers button {
    padding: 12px 4px;
  }
  .picture-answers small {
    font-size: 11px;
  }
  .pattern-sequence {
    gap: 3px;
  }
  .pattern-sequence .picture-symbol svg {
    width: 34px;
    height: 34px;
  }
  .pattern-next {
    width: 34px;
    height: 34px;
  }
}