:root {
  --game-width: 800px;
  --game-height: 600px;
  --pink: #ff79b7;
  --peach: #ffb199;
  --mint: #8debd4;
  --cream: #fff8df;
  --ink: #5b4268;
  --shadow: 0 18px 40px rgba(141, 83, 132, .25);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  user-select: none;
  -webkit-user-drag: none;
  -webkit-tap-highlight-color: transparent;
}

html,
body {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

body {
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}

.shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  background:
    radial-gradient(circle at 18% 16%, rgba(255, 255, 255, .86) 0 7%, transparent 8%),
    radial-gradient(circle at 82% 20%, rgba(141, 235, 212, .6) 0 8%, transparent 9%),
    linear-gradient(135deg, #ffe1ef 0%, #fff6c7 52%, #d7fff3 100%);
}

#gameBox {
  width: min(var(--game-width), calc(100vw - 28px));
  height: min(var(--game-height), calc(100vh - 28px));
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 6px solid rgba(255, 255, 255, .9);
  border-radius: 24px;
  background: #fff8df;
  box-shadow: var(--shadow);
}

#body {
  background: #fff8df;
}

#playground {
  position: relative;
  width: var(--game-width);
  height: var(--game-height);
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, .28) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, .28) 1px, transparent 1px),
    radial-gradient(circle at 16% 22%, rgba(255, 121, 183, .2) 0 7%, transparent 8%),
    radial-gradient(circle at 78% 18%, rgba(141, 235, 212, .3) 0 8%, transparent 9%),
    radial-gradient(circle at 58% 82%, rgba(255, 177, 153, .28) 0 9%, transparent 10%),
    linear-gradient(135deg, #ffe4f0 0%, #fff6c8 48%, #dffff6 100%);
  background-size: 42px 42px, 42px 42px, auto, auto, auto, auto;
  cursor: crosshair;
}

#playground::before,
#playground::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

#playground::before {
  inset: 18px;
  border: 2px dashed rgba(255, 121, 183, .34);
  border-radius: 24px;
}

#playground::after {
  left: 38px;
  right: 38px;
  bottom: 24px;
  height: 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .35);
  filter: blur(10px);
}

#hud,
#menu,
#hint {
  position: absolute;
  z-index: 30;
}

#hud {
  top: 16px;
  left: 18px;
  display: flex;
  gap: 10px;
}

.stat {
  min-width: 92px;
  padding: 8px 12px;
  border: 2px solid rgba(255, 255, 255, .86);
  border-radius: 16px;
  background: rgba(255, 255, 255, .68);
  box-shadow: 0 8px 18px rgba(255, 121, 183, .16);
  backdrop-filter: blur(8px);
}

.stat-label {
  display: block;
  color: #9c7498;
  font-size: 12px;
  line-height: 1;
}

.stat strong {
  display: block;
  margin-top: 4px;
  color: #63456e;
  font-size: 22px;
  line-height: 1;
}

#menu {
  top: 18px;
  right: 18px;
  display: flex;
  gap: 8px;
}

button {
  min-width: 64px;
  height: 36px;
  border: 0;
  border-radius: 999px;
  color: #fff;
  font: 700 14px/1 "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  cursor: pointer;
  background: linear-gradient(135deg, var(--pink), var(--peach));
  box-shadow: 0 8px 16px rgba(255, 121, 183, .28);
  transition: transform .16s ease, box-shadow .16s ease, filter .16s ease;
}

button:hover {
  filter: brightness(1.04);
  transform: translateY(-1px);
  box-shadow: 0 10px 18px rgba(255, 121, 183, .34);
}

button:active {
  transform: translateY(1px) scale(.98);
}

#hint {
  left: 50%;
  bottom: 18px;
  width: max-content;
  max-width: calc(100% - 56px);
  padding: 8px 14px;
  border-radius: 999px;
  color: rgba(91, 66, 104, .78);
  font-size: 13px;
  background: rgba(255, 255, 255, .55);
  transform: translateX(-50%);
}

#cs {
  display: none;
}

#boss,
#bossMax,
#foods {
  position: absolute;
  z-index: 10;
  display: block;
  pointer-events: none;
  will-change: transform;
  filter: drop-shadow(0 8px 8px rgba(91, 66, 104, .2));
}

#boss {
  width: 39px;
  height: 50px;
  z-index: 14;
  transform-origin: center bottom;
}

#bossMax {
  width: 43px;
  height: 54px;
  z-index: 13;
}

#foods {
  width: 43px;
  height: 46px;
  z-index: 12;
  animation: candy-bob 1.15s ease-in-out infinite;
}

#boss.is-moving {
  animation: player-hop .28s ease-in-out infinite alternate;
}

#foods.is-eaten {
  animation: pop .22s ease-out;
}

#foodfs {
  position: absolute;
  inset: 0;
  z-index: 28;
  pointer-events: none;
}

.score-pop {
  position: absolute;
  color: #ff5ba8;
  font: 800 24px/1 Arial, sans-serif;
  text-shadow: 0 2px 0 #fff;
  animation: score-float .7s ease-out forwards;
}

#gameover {
  position: absolute;
  inset: 0;
  z-index: 100;
  display: none;
  place-items: center;
  background: rgba(91, 66, 104, .48);
  backdrop-filter: blur(5px);
}

#gameover.show {
  display: grid;
}

.gameover-panel {
  width: 310px;
  padding: 30px 28px 26px;
  border: 4px solid rgba(255, 255, 255, .92);
  border-radius: 28px;
  text-align: center;
  background: linear-gradient(180deg, rgba(255, 255, 255, .94), rgba(255, 248, 223, .92));
  box-shadow: var(--shadow);
}

.gameover-panel h1 {
  margin-bottom: 18px;
  color: #ff5ba8;
  font-size: 34px;
  line-height: 1.1;
}

.gameover-panel p {
  margin: 8px 0;
  color: #6b5175;
  font-size: 17px;
}

#again {
  width: 120px;
  margin-top: 18px;
}

@keyframes player-hop {
  from { transform: translateY(0) rotate(-2deg); }
  to { transform: translateY(-3px) rotate(2deg); }
}

@keyframes candy-bob {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-5px) scale(1.04); }
}

@keyframes pop {
  0% { transform: scale(.7); }
  70% { transform: scale(1.22); }
  100% { transform: scale(1); }
}

@keyframes score-float {
  from {
    opacity: 1;
    transform: translateY(0) scale(.92);
  }
  to {
    opacity: 0;
    transform: translateY(-34px) scale(1.08);
  }
}