:root {
  --ink: #243042;
  --muted: #687487;
  --sky: #b9e8ff;
  --grass: #79c267;
  --paper: #fffdf4;
  --panel: #ffffff;
  --rose: #f46182;
  --teal: #24a79c;
  --yellow: #ffd34e;
  --blue: #4787e9;
  --purple: #8464dc;
  --line: rgba(36, 48, 66, 0.16);
  --shadow: 0 22px 55px rgba(36, 48, 66, 0.18);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100svh;
  background:
    radial-gradient(circle at 18% 12%, rgba(255, 255, 255, 0.55) 0 54px, transparent 55px),
    radial-gradient(circle at 82% 18%, rgba(255, 255, 255, 0.38) 0 42px, transparent 43px),
    linear-gradient(180deg, #c8edb8 0%, #dff5ff 32%, #e9f8dc 56%, var(--grass) 100%);
  color: var(--ink);
  font-family: ui-rounded, "Nunito", "Trebuchet MS", system-ui, sans-serif;
  overflow-x: hidden;
}

button {
  font: inherit;
}

.app-shell {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 100vh;
  min-height: 100svh;
  padding: clamp(10px, 1.7svh, 18px);
}

.game {
  width: min(940px, 100%);
  display: grid;
  gap: clamp(8px, 1.35svh, 16px);
}

.topbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 14px;
}

.eyebrow,
h1,
p {
  margin-top: 0;
}

.eyebrow {
  margin-bottom: 3px;
  color: #3d6f48;
  font-size: 0.9rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(2.1rem, 6.6svh, 4.6rem);
  line-height: 0.92;
}

.score-card {
  min-width: 116px;
  border: 3px solid rgba(36, 48, 66, 0.12);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 0 10px 24px rgba(36, 48, 66, 0.12);
  padding: 10px 14px;
  text-align: center;
}

.score-label {
  display: block;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 900;
  text-transform: uppercase;
}

.score-value {
  display: block;
  color: #da8b00;
  font-size: 2.25rem;
  font-weight: 1000;
  line-height: 1;
}

.question-panel {
  position: relative;
  display: grid;
  gap: clamp(8px, 1.4svh, 16px);
  place-items: center;
  min-height: clamp(210px, 28svh, 330px);
  border: 4px solid rgba(36, 48, 66, 0.12);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: var(--shadow);
  padding: clamp(14px, 3svh, 34px);
  overflow: hidden;
}

.question-panel::before,
.question-panel::after {
  content: "";
  position: absolute;
  bottom: -34px;
  width: 220px;
  height: 92px;
  border-radius: 50% 50% 0 0;
  background: rgba(121, 194, 103, 0.24);
}

.question-panel::before {
  left: -44px;
}

.question-panel::after {
  right: -44px;
}

.character {
  width: clamp(68px, 8.5svh, 94px);
  height: clamp(68px, 8.5svh, 94px);
  border-radius: 50%;
  background: var(--yellow);
  box-shadow: inset -10px -12px rgba(218, 139, 0, 0.15), 0 12px 22px rgba(36, 48, 66, 0.14);
  animation: bob 2.4s ease-in-out infinite;
}

.face {
  position: relative;
  width: 100%;
  height: 100%;
}

.eye {
  position: absolute;
  top: 35%;
  width: 12.5%;
  height: 17%;
  border-radius: 999px;
  background: var(--ink);
}

.left-eye {
  left: 30%;
}

.right-eye {
  right: 30%;
}

.smile {
  position: absolute;
  left: 33%;
  bottom: 27%;
  width: 35%;
  height: 17%;
  border-bottom: max(4px, 0.55svh) solid var(--ink);
  border-radius: 0 0 999px 999px;
}

.sum {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: clamp(7px, 1.5svh, 18px);
  font-size: clamp(3.1rem, 8.5svh, 7.2rem);
  font-weight: 1000;
  line-height: 0.95;
}

.operator {
  color: var(--muted);
}

.answer-blank {
  min-width: 1.05em;
  color: var(--rose);
}

.counter-row {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(5px, 0.9svh, 8px);
  min-height: clamp(30px, 4.5svh, 44px);
}

.counter {
  width: clamp(25px, 4svh, 34px);
  height: clamp(25px, 4svh, 34px);
  border: 3px solid rgba(36, 48, 66, 0.12);
  border-radius: 50%;
  background: var(--teal);
  box-shadow: inset -4px -5px rgba(0, 0, 0, 0.1);
}

.counter:nth-child(3n + 1) {
  background: var(--rose);
}

.counter:nth-child(3n + 2) {
  background: var(--yellow);
}

.plus-counter {
  display: grid;
  place-items: center;
  width: clamp(25px, 4svh, 34px);
  height: clamp(25px, 4svh, 34px);
  color: var(--muted);
  font-size: clamp(1.1rem, 2.8svh, 1.5rem);
  font-weight: 1000;
}

.message {
  position: relative;
  z-index: 1;
  min-height: 1.5em;
  margin-bottom: 0;
  color: #3f5f50;
  font-size: clamp(1rem, 2.6svh, 1.8rem);
  font-weight: 900;
  text-align: center;
}

.garden-panel {
  border: 4px solid rgba(36, 48, 66, 0.12);
  border-radius: 8px;
  background: #d5f1c9;
  box-shadow: 0 14px 30px rgba(36, 48, 66, 0.14);
  overflow: visible;
}

.garden-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: clamp(32px, 4.8svh, 42px);
  padding: 0 16px;
  background: rgba(255, 253, 244, 0.72);
  color: #315d3d;
  font-size: 0.92rem;
  font-weight: 1000;
  text-transform: uppercase;
}

.garden-bed {
  position: relative;
  min-height: clamp(160px, 22svh, 245px);
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(ellipse at 20% 19%, rgba(255, 255, 255, 0.55) 0 30px, transparent 31px),
    radial-gradient(ellipse at 77% 23%, rgba(255, 255, 255, 0.42) 0 42px, transparent 43px),
    radial-gradient(circle at 14% 80%, rgba(255, 255, 255, 0.32) 0 8px, transparent 9px),
    radial-gradient(circle at 88% 72%, rgba(255, 255, 255, 0.22) 0 10px, transparent 11px),
    linear-gradient(180deg, #dff6d0 0%, #bde8a9 42%, #7bc669 43%, #5aa953 100%);
}

.garden-bed::before,
.garden-bed::after {
  content: "";
  position: absolute;
  z-index: 5;
  inset-inline: -8%;
  height: 90px;
  border-radius: 50% 50% 0 0;
  background: rgba(42, 121, 67, 0.22);
}

.garden-bed::before {
  bottom: -42px;
}

.garden-bed::after {
  z-index: 7;
  bottom: -58px;
  background: rgba(32, 93, 58, 0.24);
}

.garden-sun {
  position: absolute;
  z-index: 1;
  top: 20px;
  right: 36px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #ffe78a;
  box-shadow: 0 0 0 12px rgba(255, 231, 138, 0.2), 0 8px 20px rgba(218, 139, 0, 0.12);
}

.garden-hill {
  position: absolute;
  z-index: 4;
  left: -5%;
  right: -5%;
  bottom: 0;
  height: 105px;
  border-radius: 50% 50% 0 0;
  background: linear-gradient(180deg, rgba(87, 163, 77, 0.68), rgba(47, 125, 64, 0.5));
}

.garden-hill.back {
  z-index: 2;
  bottom: 36px;
  height: 92px;
  background: rgba(129, 195, 104, 0.55);
}

.garden-detail {
  position: absolute;
  pointer-events: none;
}

.grass-blade {
  z-index: 9;
  bottom: var(--bottom);
  left: var(--x);
  width: 7px;
  height: var(--height);
  border-radius: 999px 999px 0 0;
  background: linear-gradient(180deg, #74c667, #34844a);
  transform: translateX(-50%) rotate(var(--lean));
  transform-origin: 50% 100%;
  opacity: 0.8;
}

.stone {
  z-index: 28;
  bottom: var(--bottom);
  left: var(--x);
  width: var(--size);
  height: calc(var(--size) * 0.58);
  border-radius: 50%;
  background: rgba(255, 253, 244, 0.45);
  box-shadow: inset -4px -4px rgba(36, 48, 66, 0.08);
}

.butterfly {
  z-index: 42;
  top: var(--top);
  left: var(--x);
  width: 22px;
  height: 16px;
  animation: butterfly-drift var(--speed) ease-in-out infinite;
}

.butterfly::before,
.butterfly::after {
  content: "";
  position: absolute;
  top: 2px;
  width: 12px;
  height: 12px;
  border-radius: 85% 10% 85% 30%;
  background: hsla(var(--hue), 84%, 68%, 0.82);
}

.butterfly::before {
  left: 0;
  transform: rotate(-24deg);
}

.butterfly::after {
  right: 0;
  transform: scaleX(-1) rotate(-24deg);
}

.garden-story {
  pointer-events: none;
  position: absolute;
  left: 12%;
  right: 12%;
  bottom: 12px;
  height: 160px;
}

.pond-stage {
  position: absolute;
  z-index: 14;
  left: 50%;
  bottom: 18px;
  width: min(285px, 58vw);
  height: 66px;
  border-radius: 50%;
  transform: translateX(-50%);
}

.pond-stage.is-hole {
  background: radial-gradient(ellipse at 50% 48%, #6d4c33 0 48%, #8c6742 49% 67%, transparent 68%);
  box-shadow: inset 0 8px 16px rgba(31, 22, 16, 0.3);
}

.pond-stage.has-water {
  background:
    radial-gradient(ellipse at 36% 34%, rgba(255, 255, 255, 0.78) 0 7px, transparent 8px),
    radial-gradient(ellipse at 64% 54%, rgba(255, 255, 255, 0.44) 0 12px, transparent 13px),
    radial-gradient(ellipse at 50% 50%, #8ddced 0 50%, #55b9cf 51% 68%, #3e8d74 69% 74%, transparent 75%);
  box-shadow: 0 8px 18px rgba(38, 115, 88, 0.24);
  animation: pond-shimmer 3.2s ease-in-out infinite;
}

.pond-stage.is-new {
  animation: hole-appear 760ms ease-out both;
}

.pond-stage.is-filling {
  animation: water-fill 900ms ease-out both, pond-shimmer 3.2s 900ms ease-in-out infinite;
}

.garden-helper {
  position: absolute;
  z-index: 46;
  left: 7%;
  bottom: 52px;
  width: 54px;
  height: 82px;
  animation: helper-enter 900ms ease-out both;
}

.helper-head,
.helper-hat,
.helper-body,
.helper-arm,
.helper-tool {
  position: absolute;
  display: block;
}

.helper-head {
  left: 17px;
  top: 9px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #c58b61;
}

.helper-hat {
  left: 9px;
  top: 4px;
  width: 38px;
  height: 11px;
  border-radius: 50%;
  background: #f0cf72;
  box-shadow: 9px -6px 0 -1px #d9ad52;
}

.helper-body {
  left: 15px;
  top: 31px;
  width: 26px;
  height: 34px;
  border-radius: 12px 12px 8px 8px;
  background: #6da5e8;
}

.helper-arm {
  left: 35px;
  top: 36px;
  width: 27px;
  height: 7px;
  border-radius: 999px;
  background: #c58b61;
  transform-origin: 0 50%;
}

.helper-tool {
  left: 56px;
  top: 30px;
  width: 5px;
  height: 48px;
  border-radius: 999px;
  background: #7c5a39;
  transform-origin: 50% 10%;
}

.helper-tool::after {
  content: "";
  position: absolute;
  left: -8px;
  bottom: -5px;
  width: 21px;
  height: 12px;
  border-radius: 0 0 12px 12px;
  background: #a3a8a5;
}

.garden-helper.is-digging .helper-arm,
.garden-helper.is-digging .helper-tool {
  animation: dig-motion 580ms ease-in-out infinite;
}

.garden-helper.is-watering .helper-tool {
  height: 28px;
  border-radius: 8px 8px 14px 14px;
  background: #7eb6d9;
  transform: rotate(62deg);
}

.garden-helper.is-watering .helper-tool::after {
  left: 9px;
  bottom: -18px;
  width: 30px;
  height: 18px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(132, 210, 230, 0.8) 0 3px, transparent 4px);
  box-shadow: 10px 8px 0 rgba(132, 210, 230, 0.56), 21px 2px 0 rgba(132, 210, 230, 0.5);
  animation: water-drops 700ms ease-in-out infinite;
}

.duck {
  --duck-scale: 1;
  position: absolute;
  z-index: 44;
  left: 49%;
  bottom: 52px;
  width: 76px;
  height: 48px;
  transform: translateX(-50%) scale(var(--duck-scale));
  animation: duck-bob 2.8s ease-in-out infinite;
}

.duck-two {
  --duck-scale: 0.84;
  left: 62%;
  bottom: 45px;
  animation-delay: 380ms;
}

.duck.is-landing {
  animation: duck-land 980ms ease-out both, duck-bob 2.8s 980ms ease-in-out infinite;
}

.duck-body,
.duck-head,
.duck-beak,
.duck-wing,
.duck-eye {
  position: absolute;
  display: block;
}

.duck-body {
  left: 8px;
  bottom: 1px;
  width: 52px;
  height: 31px;
  border-radius: 54% 48% 50% 48%;
  background: #ffe27a;
  box-shadow: inset -7px -6px rgba(218, 139, 0, 0.12);
}

.duck-head {
  right: 8px;
  top: 4px;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background: #ffe27a;
}

.duck-beak {
  right: -1px;
  top: 17px;
  width: 15px;
  height: 8px;
  border-radius: 999px;
  background: #ef9c3f;
}

.duck-wing {
  left: 22px;
  bottom: 12px;
  width: 26px;
  height: 15px;
  border-radius: 50%;
  background: rgba(218, 139, 0, 0.18);
}

.duck-eye {
  right: 16px;
  top: 12px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #243042;
}

.pond-reed {
  position: absolute;
  z-index: 23;
  left: var(--x);
  bottom: 49px;
  width: 6px;
  height: var(--height);
  border-radius: 999px;
  background: #3f8d53;
  transform: rotate(var(--lean));
  transform-origin: 50% 100%;
}

.pond-reed::after {
  content: "";
  position: absolute;
  left: -4px;
  top: -10px;
  width: 14px;
  height: 19px;
  border-radius: 50%;
  background: #9b6d42;
}

.lily-pad {
  position: absolute;
  z-index: 28;
  left: var(--x);
  bottom: var(--y);
  width: 34px;
  height: 20px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 42% 37%, rgba(255, 255, 255, 0.16) 0 4px, transparent 5px),
    #4ea85c;
  box-shadow: inset -5px -3px rgba(0, 0, 0, 0.08), 0 4px 6px rgba(38, 115, 88, 0.16);
  transform: translateX(-50%) scale(var(--pad-scale, 1));
}

.lily-pad::after {
  content: "";
  position: absolute;
  right: -1px;
  top: 3px;
  width: 13px;
  height: 10px;
  border-radius: 100% 0 0 0;
  background: #7fd7e6;
  transform: rotate(-18deg);
}

.dragonfly {
  position: absolute;
  z-index: 44;
  left: var(--x);
  top: var(--y);
  width: 46px;
  height: 24px;
  background:
    radial-gradient(circle at 80% 50%, #254b58 0 3px, transparent 4px),
    radial-gradient(circle at 63% 50%, #59b9c9 0 3px, transparent 4px),
    radial-gradient(circle at 52% 50%, #4ca8b7 0 2px, transparent 3px),
    radial-gradient(circle at 42% 50%, #3f96a6 0 2px, transparent 3px),
    linear-gradient(90deg, transparent 0 8px, #367f91 8px 37px, transparent 38px);
  background-position: center;
  background-repeat: no-repeat;
  background-size: 100% 100%, 100% 100%, 100% 100%, 100% 100%, 100% 3px;
  animation: dragonfly-drift var(--speed) ease-in-out infinite;
}

.dragonfly::before,
.dragonfly::after {
  content: "";
  position: absolute;
  top: 2px;
  width: 22px;
  height: 9px;
  border: 1px solid rgba(81, 155, 174, 0.2);
  border-radius: 72% 28% 72% 28%;
  background: linear-gradient(135deg, rgba(232, 252, 255, 0.88), rgba(151, 223, 235, 0.44));
  box-shadow: 2px 11px 0 -1px rgba(191, 238, 246, 0.52);
  transform-origin: 100% 50%;
}

.dragonfly::before {
  left: 7px;
  transform: rotate(-28deg);
}

.dragonfly::after {
  right: 9px;
  transform: scaleX(-1) rotate(-28deg);
}

.mushroom {
  position: absolute;
  z-index: 46;
  left: var(--x);
  bottom: 14px;
  width: 24px;
  height: 28px;
  transform: scale(var(--size));
}

.mushroom::before {
  content: "";
  position: absolute;
  left: 8px;
  bottom: 0;
  width: 8px;
  height: 16px;
  border-radius: 999px;
  background: #fff5d8;
}

.mushroom::after {
  content: "";
  position: absolute;
  left: 1px;
  top: 1px;
  width: 22px;
  height: 14px;
  border-radius: 14px 14px 7px 7px;
  background: #df6b68;
  box-shadow: inset -5px -3px rgba(0, 0, 0, 0.08), 6px 3px 0 -4px #fff5d8, 14px 5px 0 -4px #fff5d8;
}

.firefly {
  position: absolute;
  z-index: 50;
  left: var(--x);
  top: var(--y);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #fff7a8;
  box-shadow: 0 0 12px #fff7a8;
  animation: firefly-glow 1.8s ease-in-out infinite;
  animation-delay: var(--delay);
}

.plant {
  --height: 74px;
  --scale: 1;
  --garden-scale: 1;
  --hue: 330;
  --lean: 0deg;
  position: absolute;
  bottom: calc(5px + var(--row) * 12px);
  left: var(--x);
  width: 54px;
  height: calc(var(--height) + 44px);
  transform: translateX(-50%) scale(calc(var(--scale) * var(--garden-scale))) rotate(var(--lean));
  transform-origin: 50% 100%;
  animation: plant-arrive 720ms cubic-bezier(0.2, 0.9, 0.25, 1.25) both, plant-sway 3.8s ease-in-out infinite;
  animation-delay: var(--delay), calc(var(--delay) + 720ms);
  z-index: calc(24 + var(--row) * 5);
}

.plant.is-old {
  animation-name: plant-sway;
  animation-duration: 4.4s;
  animation-delay: var(--delay);
}

.stem {
  position: absolute;
  left: 50%;
  bottom: 8px;
  width: 8px;
  height: var(--height);
  border-radius: 999px;
  background: linear-gradient(90deg, #2b7447, #58a95d);
  transform: translateX(-50%);
  box-shadow: inset -2px 0 rgba(0, 0, 0, 0.12);
}

.leaf {
  position: absolute;
  bottom: calc(26px + var(--leaf-y));
  left: 50%;
  width: 25px;
  height: 15px;
  border-radius: 100% 0 100% 0;
  background: #47a85b;
  transform-origin: 0 100%;
}

.leaf.left {
  --leaf-y: 10px;
  transform: translateX(-2px) rotate(-36deg);
}

.leaf.right {
  --leaf-y: 30px;
  transform: translateX(1px) scaleX(-1) rotate(-34deg);
}

.leaf.extra {
  --leaf-y: 52px;
  width: 22px;
  height: 13px;
  transform: translateX(-3px) rotate(-48deg);
}

.bloom {
  position: absolute;
  left: 50%;
  bottom: calc(var(--height) - 6px);
  width: 34px;
  height: 34px;
  transform: translateX(-50%) scale(var(--bloom-scale, 1));
}

.petal {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 23px;
  height: 23px;
  border-radius: 100% 100% 0 100%;
  background: hsl(var(--hue) 86% 66%);
  box-shadow: inset -3px -4px rgba(0, 0, 0, 0.08);
  transform-origin: 0 0;
}

.petal:nth-child(1) {
  transform: rotate(0deg) translate(2px, -24px);
}

.petal:nth-child(2) {
  transform: rotate(60deg) translate(2px, -24px);
}

.petal:nth-child(3) {
  transform: rotate(120deg) translate(2px, -24px);
}

.petal:nth-child(4) {
  transform: rotate(180deg) translate(2px, -24px);
}

.petal:nth-child(5) {
  transform: rotate(240deg) translate(2px, -24px);
}

.petal:nth-child(6) {
  transform: rotate(300deg) translate(2px, -24px);
}

.center {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 17px;
  height: 17px;
  border: 3px solid rgba(36, 48, 66, 0.1);
  border-radius: 50%;
  background: #ffd34e;
  transform: translate(-50%, -50%);
}

.kind-round .petal {
  width: 21px;
  height: 21px;
  border-radius: 50%;
  background: hsl(var(--hue) 80% 64%);
}

.kind-round .petal:nth-child(6) {
  transform: rotate(60deg) translate(2px, -23px);
}

.kind-star .petal {
  width: 20px;
  height: 28px;
  border-radius: 100% 0 100% 0;
  background: hsl(var(--hue) 88% 70%);
}

.kind-star .center {
  width: 14px;
  height: 14px;
  background: #fff0a7;
}

.kind-tulip .bloom {
  width: 40px;
  height: 38px;
}

.kind-tulip .petal {
  width: 25px;
  height: 32px;
  border-radius: 90% 90% 48% 48%;
  background: hsl(var(--hue) 82% 64%);
  transform-origin: 50% 100%;
}

.kind-tulip .petal:nth-child(1) {
  transform: translate(-50%, -55%) rotate(-18deg);
}

.kind-tulip .petal:nth-child(2) {
  transform: translate(-50%, -58%) rotate(18deg);
}

.kind-tulip .petal:nth-child(3) {
  transform: translate(-50%, -61%) scale(0.92);
}

.kind-tulip .petal:nth-child(n + 4),
.kind-tulip .center {
  display: none;
}

.kind-bell .bloom {
  width: 40px;
  height: 42px;
}

.kind-bell .petal {
  width: 30px;
  height: 34px;
  border-radius: 70% 70% 42% 42%;
  background: hsl(var(--hue) 76% 66%);
  transform-origin: 50% 0;
}

.kind-bell .petal:nth-child(1) {
  transform: translate(-50%, -28%) rotate(-18deg);
}

.kind-bell .petal:nth-child(2) {
  transform: translate(-50%, -28%) rotate(18deg);
}

.kind-bell .petal:nth-child(3) {
  transform: translate(-50%, -34%) scale(0.82);
}

.kind-bell .petal:nth-child(n + 4),
.kind-bell .center {
  display: none;
}

.kind-bell .bloom {
  transform: translateX(-50%) scale(var(--bloom-scale, 1)) rotate(180deg);
}

.plant.level-0 {
  --height: 24px;
  --bloom-scale: 0.28;
}

.plant.level-1 {
  --height: 40px;
  --bloom-scale: 0.55;
}

.plant.level-2 {
  --height: 55px;
  --bloom-scale: 0.82;
}

.plant.level-3 {
  --height: 70px;
  --bloom-scale: 1;
}

.plant.level-4 {
  --height: 86px;
  --bloom-scale: 1.12;
}

.plant.level-4 .bloom::after {
  content: "";
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  background: radial-gradient(circle, hsla(var(--hue), 86%, 74%, 0.32), transparent 62%);
  animation: flourish-glow 1.8s ease-in-out infinite;
}

.choices {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.choice-button,
.control-button {
  border: 3px solid rgba(36, 48, 66, 0.12);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  cursor: pointer;
  font-weight: 1000;
  box-shadow: 0 10px 22px rgba(36, 48, 66, 0.12);
}

.choice-button {
  min-height: clamp(64px, 9svh, 92px);
  font-size: clamp(2.25rem, 6.2svh, 4.4rem);
}

.choice-button:nth-child(1) {
  background: #fff2a8;
}

.choice-button:nth-child(2) {
  background: #bdeee6;
}

.choice-button:nth-child(3) {
  background: #ffd1dc;
}

.choice-button:nth-child(4) {
  background: #d8d0ff;
}

.choice-button:hover,
.choice-button:focus-visible,
.control-button:hover,
.control-button:focus-visible {
  outline: 4px solid rgba(36, 48, 66, 0.12);
  transform: translateY(-2px);
}

.choice-button:active,
.control-button:active {
  transform: translateY(1px);
}

.choice-button.is-right {
  animation: right-pop 620ms ease both;
}

.choice-button.is-wrong {
  animation: shake 360ms ease both;
}

.controls {
  display: flex;
  justify-content: center;
  gap: clamp(8px, 1.2svh, 12px);
}

.control-button {
  min-width: 128px;
  min-height: clamp(38px, 5.2svh, 46px);
  padding: 0 18px;
  font-size: clamp(0.92rem, 2svh, 1.05rem);
}

.control-button.is-on {
  background: #dff8e2;
}

.celebration {
  pointer-events: none;
  position: fixed;
  inset: 0;
  overflow: hidden;
}

.sparkle {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--sparkle-color);
  animation: sparkle 900ms ease-out forwards;
}

.flower {
  position: absolute;
  bottom: -20px;
  font-size: 2.2rem;
  animation: grow-flower 900ms ease-out forwards;
}

.is-celebrating .character {
  animation: happy-jump 700ms ease both;
}

@keyframes bob {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@keyframes happy-jump {
  0%,
  100% {
    transform: translateY(0) scale(1);
  }
  35% {
    transform: translateY(-32px) scale(1.05);
  }
  65% {
    transform: translateY(6px) scale(0.96);
  }
}

@keyframes right-pop {
  0% {
    transform: scale(1);
  }
  45% {
    transform: scale(1.13) rotate(-2deg);
  }
  100% {
    transform: scale(1);
  }
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-9px);
  }
  75% {
    transform: translateX(9px);
  }
}

@keyframes sparkle {
  from {
    opacity: 1;
    transform: translate(-50%, -50%) scale(0.4);
  }
  to {
    opacity: 0;
    transform: translate(calc(-50% + var(--sparkle-x)), calc(-50% + var(--sparkle-y))) scale(1.4);
  }
}

@keyframes grow-flower {
  from {
    opacity: 0;
    transform: translateY(18px) scale(0.3);
  }
  55% {
    opacity: 1;
  }
  to {
    opacity: 0;
    transform: translateY(-150px) scale(1.15) rotate(var(--flower-spin));
  }
}

@keyframes plant-arrive {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(54px) scale(0.2) rotate(var(--lean));
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0) scale(calc(var(--scale) * var(--garden-scale))) rotate(var(--lean));
  }
}

@keyframes plant-sway {
  0%,
  100% {
    transform: translateX(-50%) scale(calc(var(--scale) * var(--garden-scale))) rotate(var(--lean));
  }
  50% {
    transform: translateX(-50%) scale(calc(var(--scale) * var(--garden-scale))) rotate(calc(var(--lean) + 2deg));
  }
}

@keyframes flourish-glow {
  0%,
  100% {
    opacity: 0.35;
    transform: scale(0.92);
  }
  50% {
    opacity: 0.75;
    transform: scale(1.12);
  }
}

@keyframes butterfly-drift {
  0%,
  100% {
    transform: translate(0, 0) rotate(-7deg);
  }
  50% {
    transform: translate(16px, -9px) rotate(8deg);
  }
}

@keyframes hole-appear {
  from {
    opacity: 0;
    transform: translateX(-50%) scale(0.34);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) scale(1);
  }
}

@keyframes water-fill {
  from {
    opacity: 0.6;
    transform: translateX(-50%) scale(0.7);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) scale(1);
  }
}

@keyframes pond-shimmer {
  0%,
  100% {
    filter: saturate(1);
  }
  50% {
    filter: saturate(1.18) brightness(1.04);
  }
}

@keyframes helper-enter {
  from {
    opacity: 0;
    transform: translateX(-70px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes dig-motion {
  0%,
  100% {
    transform: rotate(18deg);
  }
  50% {
    transform: rotate(58deg);
  }
}

@keyframes water-drops {
  0%,
  100% {
    opacity: 0.35;
    transform: translateY(-2px);
  }
  50% {
    opacity: 0.9;
    transform: translateY(4px);
  }
}

@keyframes duck-land {
  from {
    opacity: 0;
    transform: translate(-50%, -90px) scale(var(--duck-scale)) rotate(-8deg);
  }
  70% {
    opacity: 1;
    transform: translate(-50%, 6px) scale(var(--duck-scale)) rotate(2deg);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0) scale(var(--duck-scale)) rotate(0);
  }
}

@keyframes duck-bob {
  0%,
  100% {
    transform: translateX(-50%) translateY(0) scale(var(--duck-scale));
  }
  50% {
    transform: translateX(-50%) translateY(-5px) scale(var(--duck-scale));
  }
}

@keyframes dragonfly-drift {
  0%,
  100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(22px, -13px);
  }
}

@keyframes firefly-glow {
  0%,
  100% {
    opacity: 0.22;
    transform: translateY(0) scale(0.75);
  }
  50% {
    opacity: 1;
    transform: translateY(-7px) scale(1.15);
  }
}

@media (max-width: 700px) {
  .app-shell {
    align-items: start;
    padding: 8px;
  }

  .game {
    gap: 7px;
  }

  .topbar {
    align-items: start;
    gap: 8px;
  }

  .eyebrow {
    margin-bottom: 1px;
    font-size: 0.7rem;
  }

  h1 {
    font-size: clamp(1.75rem, 5.6svh, 2.55rem);
  }

  .score-card {
    min-width: 78px;
    padding: 6px 8px;
  }

  .score-label {
    font-size: 0.7rem;
  }

  .score-value {
    font-size: 1.45rem;
  }

  .question-panel {
    gap: 7px;
    min-height: clamp(158px, 25svh, 220px);
    padding: 8px;
  }

  .question-panel::before,
  .question-panel::after {
    height: 62px;
  }

  .character {
    width: clamp(50px, 7.6svh, 68px);
    height: clamp(50px, 7.6svh, 68px);
  }

  .sum {
    font-size: clamp(2.45rem, 6.8svh, 4.1rem);
    gap: 6px;
  }

  .counter-row {
    gap: 4px;
    min-height: 28px;
  }

  .counter,
  .plus-counter {
    width: 20px;
    height: 20px;
    border-width: 2px;
  }

  .plus-counter {
    font-size: 0.88rem;
  }

  .message {
    font-size: clamp(0.82rem, 2svh, 1.05rem);
  }

  .garden-header {
    min-height: 28px;
    padding: 0 10px;
    font-size: 0.76rem;
  }

  .garden-bed {
    min-height: clamp(112px, 17svh, 155px);
  }

  .plant {
    --garden-scale: 0.45;
    width: 44px;
  }

  .garden-story {
    left: 4%;
    right: 4%;
    bottom: 4px;
    height: 94px;
  }

  .pond-stage {
    width: min(190px, 74vw);
    height: 44px;
    bottom: 12px;
  }

  .garden-helper {
    bottom: 31px;
    transform: scale(0.7);
    transform-origin: 50% 100%;
  }

  .duck {
    --duck-scale: 0.68;
    bottom: 32px;
  }

  .duck-two {
    --duck-scale: 0.58;
    bottom: 30px;
  }

  .choices {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
  }

  .choice-button {
    min-height: clamp(46px, 7svh, 60px);
    font-size: clamp(1.85rem, 5.2svh, 2.8rem);
  }

  .controls {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 7px;
  }

  .control-button {
    min-width: 0;
    min-height: clamp(32px, 4.8svh, 40px);
    padding: 0 8px;
    font-size: 0.7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
}