:root {
  --ink: #1f1a18;
  --paper: #fff3cf;
  --red: #e83835;
  --blue: #2f75d8;
  --yellow: #ffd33f;
  --green: #23b46d;
  --shadow: rgba(33, 23, 11, 0.28);
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html,
body {
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #1c1a21;
  color: var(--ink);
  font-family: "Arial Rounded MT Bold", "Microsoft YaHei", system-ui, sans-serif;
  touch-action: none;
  user-select: none;
}

body.wechat-browser .game-shell {
  display: none;
}

.wechat-guide {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 28px;
  background:
    radial-gradient(circle at 72% 12%, rgba(255, 211, 63, 0.2), transparent 24%),
    #1c1a21;
  color: #fff3cf;
  text-align: center;
}

.wechat-guide[hidden] {
  display: none;
}

.wechat-guide-card {
  width: min(86vw, 360px);
  border: 4px solid #191414;
  border-radius: 14px;
  padding: 24px 20px;
  background: #fff3cf;
  color: #1f1a18;
  box-shadow: 7px 8px 0 #191414;
}

.wechat-guide-card p {
  margin: 0 0 12px;
  color: var(--red);
  font-size: 28px;
  font-weight: 900;
  line-height: 1.2;
}

.wechat-guide-card span {
  display: block;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
}

.wechat-arrow {
  position: fixed;
  top: 18px;
  right: 22px;
  width: 92px;
  height: 92px;
  border-top: 9px solid var(--yellow);
  border-right: 9px solid var(--yellow);
  transform: rotate(-4deg);
  filter: drop-shadow(4px 5px 0 #191414);
}

.wechat-arrow::before,
.wechat-arrow::after {
  content: "";
  position: absolute;
  background: var(--yellow);
}

.wechat-arrow::before {
  top: -9px;
  right: -9px;
  width: 38px;
  height: 9px;
  transform: rotate(45deg);
  transform-origin: right center;
}

.wechat-arrow::after {
  top: -9px;
  right: -9px;
  width: 9px;
  height: 38px;
  transform: rotate(45deg);
  transform-origin: top center;
}

button {
  border: 0;
  font: inherit;
  cursor: pointer;
}

.game-shell {
  display: grid;
  min-height: 100%;
  place-items: center;
  padding: min(3vw, 18px);
}

.stage {
  position: relative;
  width: min(calc(100vw - 24px), calc((100vh - 24px) * 9 / 16), 460px);
  height: min(calc((100vw - 24px) * 16 / 9), calc(100vh - 24px), 818px);
  aspect-ratio: 9 / 16;
  --dodge-ms: 240ms;
  overflow: hidden;
  border: 4px solid #191414;
  border-radius: 18px;
  background: #e7cf9b;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.48);
  isolation: isolate;
}

.office-bg {
  position: absolute;
  inset: 0;
  background: url("./assets/office-bg.webp") center / cover no-repeat;
  transform: scale(1.02);
}

.comic-shade {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 52% 42%, transparent 0 28%, rgba(255, 238, 158, 0.2) 38%, rgba(28, 18, 14, 0.24) 88%),
    repeating-linear-gradient(115deg, rgba(0, 0, 0, 0.04) 0 1px, transparent 1px 8px);
  mix-blend-mode: multiply;
  pointer-events: none;
}

.hud {
  position: absolute;
  z-index: 8;
  top: 14px;
  left: 12px;
  right: 12px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
}

.score-card,
.combo-card,
.timer-card,
.power-panel,
.stun-badge {
  border: 3px solid var(--ink);
  background: var(--paper);
  box-shadow: 4px 5px 0 var(--ink);
}

.score-card,
.combo-card,
.timer-card {
  min-width: 0;
  padding: 8px 7px 7px;
  border-radius: 8px;
  text-align: center;
}

.score-card span,
.combo-card span,
.timer-card span {
  display: block;
  font-size: 12px;
  line-height: 1;
}

.score-card strong,
.combo-card strong,
.timer-card strong {
  display: block;
  margin-top: 3px;
  font-size: 24px;
  line-height: 1;
}

.target-lane {
  position: absolute;
  z-index: 4;
  left: 50%;
  top: 50%;
  width: 94%;
  height: 105.28%;
  aspect-ratio: 1 / 1.12;
  transform: translate(-50%, -50%);
}

.shadow {
  position: absolute;
  left: 22%;
  right: 22%;
  bottom: 5%;
  height: 9%;
  border-radius: 999px;
  background: rgba(23, 20, 16, 0.32);
  filter: blur(3px);
}

.opponent {
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(98vw, 460px);
  height: min(98vw, 460px);
  max-width: 100%;
  aspect-ratio: 1 / 1;
  background-image: url("./assets/opponent-sheet.webp");
  background-repeat: no-repeat;
  background-size: 300% 200%;
  filter: drop-shadow(9px 14px 0 rgba(31, 26, 24, 0.22));
  transform: translate(-50%, -50%);
  transition: left var(--dodge-ms) cubic-bezier(.2, 1.25, .35, 1), top var(--dodge-ms) cubic-bezier(.2, 1.25, .35, 1), transform 140ms ease;
}

.opponent[data-state="normal"] { background-position: 0% 0%; }
.opponent[data-state="left"] { background-position: 50% 0%; }
.opponent[data-state="right"] { background-position: 100% 0%; }
.opponent[data-state="stun"] { background-position: 0% 100%; }
.opponent[data-state="squash"] { background-position: 50% 100%; }
.opponent[data-state="bruise"] { background-position: 100% 100%; }

.damage-marks {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.damage-marks::before,
.damage-marks::after {
  content: "";
  position: absolute;
  opacity: 0;
  transform: rotate(var(--scratch-r));
}

.damage-marks::before {
  left: 33%;
  top: 56%;
  width: 14%;
  height: 11%;
  --scratch-r: -18deg;
  background:
    linear-gradient(35deg, transparent 42%, rgba(31, 26, 24, .92) 44% 47%, transparent 49%),
    linear-gradient(125deg, transparent 42%, rgba(31, 26, 24, .92) 44% 47%, transparent 49%);
}

.damage-marks::after {
  right: 31%;
  top: 28%;
  width: 13%;
  height: 10%;
  --scratch-r: 14deg;
  background:
    linear-gradient(35deg, transparent 42%, rgba(31, 26, 24, .82) 44% 47%, transparent 49%),
    linear-gradient(125deg, transparent 42%, rgba(31, 26, 24, .82) 44% 47%, transparent 49%);
}

.opponent[data-damage="light"] .damage-marks { opacity: .36; }
.opponent[data-damage="medium"] .damage-marks { opacity: .66; }
.opponent[data-damage="heavy"] .damage-marks { opacity: .9; }
.opponent[data-damage="max"] .damage-marks { opacity: 1; }

.mark {
  position: absolute;
  border: 2px solid rgba(31, 26, 24, .76);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(238, 55, 74, .65), rgba(105, 66, 175, .42) 60%, transparent 72%);
  transform: rotate(var(--mark-r));
}

.mark::after {
  content: "";
  position: absolute;
  left: 30%;
  top: 62%;
  width: 38%;
  height: 2px;
  background: rgba(31, 26, 24, .72);
  box-shadow: 0 7px 0 rgba(31, 26, 24, .42);
}

.mark-a {
  left: 25%;
  top: 43%;
  width: 13%;
  height: 11%;
  --mark-r: -12deg;
}

.mark-b {
  right: 35%;
  top: 44%;
  width: 11%;
  height: 9%;
  --mark-r: 10deg;
}

.mark-c {
  left: 41%;
  top: 27%;
  width: 9%;
  height: 7%;
  --mark-r: 18deg;
  opacity: 0;
}

.mark-d {
  right: 43%;
  top: 55%;
  width: 8%;
  height: 6%;
  --mark-r: -18deg;
  opacity: 0;
}

.opponent[data-damage="medium"] .mark-c,
.opponent[data-damage="heavy"] .mark-c,
.opponent[data-damage="max"] .mark-c,
.opponent[data-damage="heavy"] .mark-d,
.opponent[data-damage="max"] .mark-d {
  opacity: 1;
}

.opponent[data-damage="heavy"] .damage-marks::before,
.opponent[data-damage="max"] .damage-marks::before,
.opponent[data-damage="max"] .damage-marks::after {
  opacity: 1;
}

.opponent[data-damage="heavy"] {
  filter: drop-shadow(9px 14px 0 rgba(31, 26, 24, 0.22)) saturate(1.08);
}

.opponent[data-damage="max"] {
  filter: drop-shadow(9px 14px 0 rgba(31, 26, 24, 0.22)) saturate(1.18) contrast(1.06);
}

.opponent.hit {
  animation: bonk 210ms cubic-bezier(.19, 1.3, .2, 1);
}

.opponent.stunned {
  animation: wobble 560ms ease-in-out infinite;
}

.dizzy-stars {
  position: absolute;
  left: 50%;
  top: -7%;
  display: none;
  color: var(--yellow);
  font-size: 38px;
  letter-spacing: 6px;
  text-shadow: 2px 3px 0 var(--ink);
  transform: translateX(-50%);
  white-space: nowrap;
}

.timing-bubble {
  position: absolute;
  z-index: 5;
  left: calc(var(--bubble-x, .5) * 100%);
  top: calc(var(--bubble-y, .55) * 100%);
  width: calc(var(--bubble-size, .2) * 100%);
  aspect-ratio: 1;
  border: 4px solid var(--ink);
  border-radius: 50%;
  background: radial-gradient(circle at 42% 36%, rgba(255, 255, 255, .95) 0 15%, rgba(255, 216, 54, .92) 38%, rgba(234, 43, 38, .9) 72%);
  box-shadow: 0 0 0 4px rgba(255, 255, 255, .72), 5px 6px 0 rgba(31, 26, 24, .8);
  transform: translate(-50%, -50%) scale(1);
  transform-origin: center;
  pointer-events: none;
  animation: bubbleShrink var(--bubble-duration, 1200ms) linear forwards;
}

.timing-bubble::before,
.timing-bubble::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: rgba(31, 26, 24, .88);
  transform: translate(-50%, -50%);
}

.timing-bubble::before {
  width: 3px;
  height: 128%;
}

.timing-bubble::after {
  width: 128%;
  height: 3px;
}

.timing-bubble.perfect {
  background: radial-gradient(circle at 42% 36%, rgba(255, 255, 255, .95) 0 18%, rgba(130, 255, 158, .95) 42%, rgba(24, 190, 95, .95) 76%);
  box-shadow: 0 0 0 4px rgba(255, 255, 255, .8), 0 0 22px rgba(35, 180, 109, .95), 5px 6px 0 rgba(31, 26, 24, .8);
}

.timing-bubble.hidden {
  display: none;
}

.opponent.stunned .dizzy-stars {
  display: block;
  animation: spinStars 1s linear infinite;
}

.stun-badge {
  position: absolute;
  z-index: 7;
  top: 86px;
  left: 50%;
  display: none;
  padding: 8px 18px;
  border-radius: 999px;
  color: var(--red);
  font-size: 18px;
  transform: translateX(-50%) rotate(-2deg);
}

.stun-badge.show {
  display: block;
}

.target-badge {
  position: absolute;
  z-index: 7;
  top: auto;
  bottom: 114px;
  left: 50%;
  padding: 7px 14px;
  border: 3px solid var(--ink);
  border-radius: 999px;
  background: #fff8dd;
  color: var(--ink);
  font-size: 15px;
  box-shadow: 4px 5px 0 var(--ink);
  transform: translateX(-50%) rotate(2deg);
}

.stun-badge.show + .target-badge {
  top: auto;
  bottom: 114px;
}

.speech-bubble {
  position: absolute;
  z-index: 8;
  left: 50%;
  top: 92px;
  max-width: 64%;
  padding: 10px 15px;
  border: 3px solid var(--ink);
  border-radius: 14px;
  background: #fff;
  color: var(--ink);
  font-size: 16px;
  font-weight: 900;
  opacity: 0;
  box-shadow: 4px 5px 0 var(--ink);
  transform: translateX(-50%) translateY(8px) rotate(-1deg) scale(.92);
  transition: opacity 160ms ease, transform 160ms ease;
  pointer-events: none;
}

.speech-bubble::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -8px;
  width: 12px;
  height: 12px;
  border-right: 3px solid var(--ink);
  border-bottom: 3px solid var(--ink);
  background: #fff;
  transform: translateX(-50%) rotate(45deg);
}

.speech-bubble.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0) rotate(-1deg) scale(1);
}

.reticle {
  position: absolute;
  z-index: 6;
  width: 46px;
  aspect-ratio: 1;
  border: 3px solid rgba(255, 255, 255, 0.92);
  border-radius: 50%;
  box-shadow: 0 0 0 3px var(--ink), inset 0 0 0 2px var(--ink);
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.reticle::before,
.reticle::after {
  content: "";
  position: absolute;
  background: var(--ink);
}

.reticle::before {
  left: 50%;
  top: -12px;
  bottom: -12px;
  width: 3px;
  transform: translateX(-50%);
}

.reticle::after {
  top: 50%;
  left: -12px;
  right: -12px;
  height: 3px;
  transform: translateY(-50%);
}

.hand {
  position: absolute;
  z-index: 11;
  bottom: 0;
  width: min(108vw, 510px);
  height: min(108vw, 510px);
  aspect-ratio: 1 / 1;
  background-image: url("./assets/right-hand-sheet.webp");
  background-repeat: no-repeat;
  background-size: 400% 200%;
  filter: drop-shadow(7px 14px 0 rgba(31, 26, 24, 0.24));
  pointer-events: none;
  opacity: .96;
  transition: transform 150ms ease, opacity 120ms ease;
}

.player-hand {
  left: 50%;
  transform: translate(0, 17%) scale(.74) rotate(-6deg);
}

.player-hand[data-side="right"] {
  left: 50%;
  transform: translate(0, 17%) scale(.74) rotate(-6deg);
}

.player-hand[data-side="left"] {
  left: 50%;
  transform: translate(-105%, 17%) scale(.74) rotate(6deg);
}

.hand[data-pose="ready-right"] { background-position: 0% 0%; }
.hand[data-pose="wind-right"] { background-position: 33.333% 0%; }
.hand[data-pose="swing-right"] { background-position: 66.666% 0%; }
.hand[data-pose="impact-right"] { background-position: 100% 0%; }
.hand[data-pose="ready-left"] { background-position: 0% 100%; }
.hand[data-pose="wind-left"] { background-position: 33.333% 100%; }
.hand[data-pose="swing-left"] { background-position: 66.666% 100%; }
.hand[data-pose="impact-left"] { background-position: 100% 100%; }

.stage.charging .player-hand[data-side="right"] {
  opacity: 1;
  transform: translate(14%, 0%) scale(.96) rotate(-8deg);
}

.stage.charging .player-hand[data-side="left"] {
  opacity: 1;
  transform: translate(-118%, 0%) scale(.96) rotate(8deg);
}

.stage.slap-from-right .player-hand {
  animation: slapFromRight 330ms cubic-bezier(.04, .97, .16, 1);
}

.stage.slap-from-left .player-hand {
  animation: slapFromLeft 330ms cubic-bezier(.04, .97, .16, 1);
}

.stage.heavy-hit .player-hand {
  filter: drop-shadow(8px 15px 0 rgba(31, 26, 24, 0.28)) saturate(1.18);
}

.control-zone {
  position: absolute;
  z-index: 9;
  left: 14px;
  right: 14px;
  bottom: 16px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
}

.power-panel {
  min-width: 0;
  padding: 10px;
  border-radius: 8px;
}

.power-panel span {
  display: block;
  font-size: 14px;
}

.panel-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 7px;
}

.difficulty {
  display: inline-grid;
  grid-template-columns: repeat(3, 28px);
  gap: 4px;
}

.difficulty button {
  height: 24px;
  border: 2px solid var(--ink);
  border-radius: 5px;
  background: #fff8dd;
  color: var(--ink);
  font-size: 13px;
  font-weight: 900;
  line-height: 1;
  box-shadow: 2px 2px 0 var(--ink);
}

.difficulty button.active {
  background: var(--yellow);
  color: var(--red);
}

.difficulty button:disabled {
  opacity: .62;
}

.bubble-guide {
  position: relative;
  display: flex;
  min-height: 22px;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 900;
}

.bubble-guide i {
  display: block;
  width: 72px;
  height: 18px;
  border: 3px solid var(--ink);
  border-radius: 999px;
  background: linear-gradient(90deg, #d92d28 0%, #ffb32b 50%, #29bd66 100%);
  box-shadow: inset 0 2px 0 rgba(255, 255, 255, .45);
}

.start-button,
.result-panel button {
  min-width: 84px;
  min-height: 56px;
  border: 3px solid var(--ink);
  border-radius: 8px;
  background: var(--red);
  color: white;
  font-size: 20px;
  font-weight: 900;
  box-shadow: 4px 5px 0 var(--ink);
}

.start-button:active,
.result-panel button:active {
  transform: translate(3px, 3px);
  box-shadow: 1px 2px 0 var(--ink);
}

.hit-effects {
  position: absolute;
  inset: 0;
  z-index: 10;
  pointer-events: none;
}

.pop-word {
  position: absolute;
  color: var(--yellow);
  font-size: clamp(34px, 11vw, 64px);
  font-weight: 1000;
  text-shadow: 4px 5px 0 var(--ink), -2px -2px 0 #fff;
  transform: translate(-50%, -50%) rotate(var(--r));
  animation: popWord 720ms ease-out forwards;
  white-space: nowrap;
}

.score-pop {
  position: absolute;
  padding: 4px 9px;
  border: 3px solid var(--ink);
  border-radius: 999px;
  background: #fff;
  color: var(--red);
  font-size: 22px;
  font-weight: 1000;
  transform: translate(-50%, -50%);
  animation: scoreRise 760ms ease-out forwards;
}

.particle {
  position: absolute;
  width: 12px;
  aspect-ratio: 1;
  border: 2px solid var(--ink);
  border-radius: 50%;
  background: var(--yellow);
  transform: translate(-50%, -50%);
  animation: burst 560ms ease-out forwards;
}

.stage.shake {
  animation: shake 180ms linear;
}

.result-panel {
  position: absolute;
  z-index: 20;
  inset: 0;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 18px;
  padding: 28px;
  background: rgba(29, 20, 17, 0.7);
  text-align: center;
}

.result-panel[hidden] {
  display: none;
}

.result-panel h1 {
  margin: 0;
  color: var(--yellow);
  font-size: 54px;
  text-shadow: 5px 6px 0 var(--ink);
}

.result-panel p {
  margin: 0;
  color: #fff;
  font-size: 30px;
  font-weight: 900;
  text-shadow: 3px 4px 0 var(--ink);
}

.intro-panel {
  position: absolute;
  z-index: 21;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 28px;
  background: rgba(29, 20, 17, 0.45);
}

.intro-panel[hidden] {
  display: none;
}

.intro-card,
.ranking-card {
  width: min(330px, 86%);
  border: 3px solid var(--ink);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 6px 7px 0 var(--ink);
}

.intro-card {
  display: grid;
  gap: 12px;
  padding: 18px;
}

.intro-card h1 {
  margin: 0 0 2px;
  color: var(--red);
  font-size: 34px;
  line-height: 1;
  text-align: center;
  text-shadow: 2px 3px 0 #fff;
}

.intro-card label {
  font-size: 14px;
  font-weight: 900;
}

.intro-card input {
  width: 100%;
  min-height: 48px;
  border: 3px solid var(--ink);
  border-radius: 7px;
  background: #fffdf1;
  color: var(--ink);
  font: inherit;
  font-size: 20px;
  font-weight: 900;
  outline: none;
  padding: 8px 10px;
  box-shadow: inset 2px 2px 0 rgba(31, 26, 24, .14);
}

.intro-card input:focus {
  box-shadow: inset 2px 2px 0 rgba(31, 26, 24, .14), 0 0 0 3px var(--yellow);
}

.intro-card button {
  min-height: 52px;
  border: 3px solid var(--ink);
  border-radius: 8px;
  background: var(--red);
  color: #fff;
  font-size: 20px;
  font-weight: 1000;
  box-shadow: 4px 5px 0 var(--ink);
}

.ranking-card {
  max-height: 250px;
  overflow: hidden;
  padding: 12px 14px;
}

.ranking-card h2 {
  margin: 0 0 8px;
  color: var(--red);
  font-size: 20px;
}

.ranking-card ol {
  display: grid;
  gap: 5px;
  margin: 0;
  padding-left: 24px;
  text-align: left;
}

.ranking-card li {
  font-size: 15px;
  font-weight: 900;
  line-height: 1.2;
}

.ranking-card b {
  float: right;
  color: var(--red);
}

@keyframes slapFromRight {
  0% { transform: translate(18%, 0%) scale(.96) rotate(-8deg); }
  36% { transform: translate(-10%, -28%) scale(1.12) rotate(-15deg); }
  62% { transform: translate(-36%, -43%) scale(1.2) rotate(-22deg); }
  100% { transform: translate(0, 17%) scale(.74) rotate(-6deg); }
}

@keyframes slapFromLeft {
  0% { transform: translate(-120%, 0%) scale(.96) rotate(8deg); }
  36% { transform: translate(-78%, -28%) scale(1.12) rotate(15deg); }
  62% { transform: translate(-32%, -43%) scale(1.2) rotate(22deg); }
  100% { transform: translate(-105%, 17%) scale(.74) rotate(6deg); }
}

@keyframes bonk {
  0% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(calc(-50% + var(--hit-x, 0px)), calc(-50% + var(--hit-y, 0px))) scale(1.08) rotate(var(--tilt, 0deg)); }
  100% { transform: translate(-50%, -50%) scale(1); }
}

@keyframes wobble {
  0%, 100% { transform: translate(-50%, -50%) rotate(-2deg); }
  50% { transform: translate(-50%, -50%) rotate(2deg); }
}

@keyframes spinStars {
  to { transform: translateX(-50%) rotate(360deg); }
}

@keyframes popWord {
  0% { opacity: 0; transform: translate(-50%, -50%) rotate(var(--r)) scale(.4); }
  18% { opacity: 1; transform: translate(-50%, -50%) rotate(var(--r)) scale(1.08); }
  100% { opacity: 0; transform: translate(-50%, -115%) rotate(var(--r)) scale(1.34); }
}

@keyframes scoreRise {
  to { opacity: 0; transform: translate(-50%, -150%) scale(1.08); }
}

@keyframes burst {
  to {
    opacity: 0;
    transform: translate(calc(-50% + var(--dx)), calc(-50% + var(--dy))) scale(.35);
  }
}

@keyframes bubbleShrink {
  0% {
    transform: translate(-50%, -50%) scale(1);
    background: radial-gradient(circle at 42% 36%, rgba(255, 255, 255, .95) 0 15%, rgba(255, 216, 54, .92) 38%, rgba(234, 43, 38, .9) 72%);
  }
  58% {
    background: radial-gradient(circle at 42% 36%, rgba(255, 255, 255, .95) 0 16%, rgba(255, 218, 67, .95) 42%, rgba(255, 143, 31, .95) 76%);
  }
  100% {
    transform: translate(-50%, -50%) scale(var(--bubble-end-scale, .28));
    background: radial-gradient(circle at 42% 36%, rgba(255, 255, 255, .95) 0 18%, rgba(130, 255, 158, .95) 42%, rgba(24, 190, 95, .95) 76%);
  }
}

@keyframes shake {
  0%, 100% { transform: translate(0, 0); }
  25% { transform: translate(-5px, 2px); }
  50% { transform: translate(5px, -2px); }
  75% { transform: translate(-3px, -1px); }
}

@media (max-width: 380px) {
  .score-card strong,
  .combo-card strong,
  .timer-card strong {
    font-size: 20px;
  }

  .control-zone {
    grid-template-columns: 1fr 74px;
    gap: 8px;
  }

  .start-button {
    min-width: 74px;
    font-size: 18px;
  }

  .difficulty {
    grid-template-columns: repeat(3, 24px);
  }

  .difficulty button {
    height: 22px;
    font-size: 12px;
  }
}