:root {
  --heat: 0;
  --shake: 0px;
  --mercury: 2%;
  --accent: #ff4d2f;
  --accent-two: #1ef1ff;
  --paper: #fff4dd;
  --ink: #23130f;
}

* {
  box-sizing: border-box;
}

html,
body {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  min-height: 100%;
  margin: 0;
  overflow: hidden;
  overscroll-behavior: none;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  background: #150b12;
  color: white;
  font-family: "Arial Black", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
}

button {
  font: inherit;
}

.game {
  position: relative;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  width: 100vw;
  max-width: 100vw;
  height: 100dvh;
  min-height: 100dvh;
  padding: max(16px, env(safe-area-inset-top)) 16px max(16px, env(safe-area-inset-bottom));
  isolation: isolate;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 14%, rgba(255, 255, 255, .16), transparent 17rem),
    linear-gradient(160deg, #123b4b 0%, #1d2636 42%, #2b1120 100%);
}

.game::before {
  content: "";
  position: absolute;
  inset: -4vmax;
  z-index: -3;
  background:
    linear-gradient(120deg, rgba(255, 226, 76, calc(var(--heat) * .32)), transparent 32%),
    linear-gradient(270deg, rgba(255, 48, 18, calc(var(--heat) * .5)), transparent 44%),
    linear-gradient(0deg, rgba(0, 0, 0, calc(var(--heat) * .38)), transparent 54%);
  transform: translate3d(calc(var(--shake) * -1), var(--shake), 0) scale(1.03);
}

.game::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: calc(.05 + var(--heat) * .32);
  background-image:
    linear-gradient(rgba(255, 255, 255, .12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .08) 1px, transparent 1px);
  background-size: 26px 26px;
  mix-blend-mode: screen;
}

.intro-overlay {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 18px;
  background:
    radial-gradient(circle at 50% 50%, rgba(255, 246, 191, .96), rgba(255, 80, 36, .94) 42%, rgba(10, 8, 14, .98) 76%);
  transition: opacity .28s ease, visibility .28s ease;
}

.intro-overlay.is-hidden {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}

.intro-overlay.needs-audio-start::after {
  content: "TAP START";
  position: absolute;
  left: 50%;
  bottom: max(24px, env(safe-area-inset-bottom));
  z-index: 2;
  padding: 12px 18px;
  color: #130d0d;
  background: #fff8df;
  border: 4px solid #130d0d;
  box-shadow: 5px 5px 0 #130d0d;
  font-size: clamp(18px, 5vw, 30px);
  line-height: 1;
  transform: translateX(-50%) rotate(-2deg);
}

.comic-panel {
  position: absolute;
  display: grid;
  place-items: center;
  min-width: min(82vw, 430px);
  min-height: 120px;
  padding: 16px;
  color: #130d0d;
  text-align: center;
  background: #fff8df;
  border: 6px solid #130d0d;
  box-shadow: 9px 9px 0 #130d0d;
  font-size: clamp(36px, 10vw, 76px);
  line-height: 1;
  opacity: 0;
  transform: translateX(var(--panel-x, 0)) scale(.62) rotate(var(--panel-rotate, -6deg));
}

.panel-one {
  top: 11%;
  left: 6%;
  min-width: min(70vw, 340px);
  --panel-rotate: -6deg;
}

.panel-two {
  top: 35%;
  right: 5%;
  min-width: min(74vw, 360px);
  --panel-rotate: 5deg;
}

.panel-three {
  bottom: 18%;
  left: 50%;
  min-width: min(88vw, 500px);
  font-size: clamp(42px, 12vw, 92px);
  --panel-x: -50%;
  --panel-rotate: -2deg;
}

.panel-start {
  inset: auto;
  min-width: min(88vw, 520px);
  min-height: 150px;
  color: white;
  background: #f5241d;
  font-size: clamp(52px, 14vw, 108px);
  text-shadow: 0 5px 0 #130d0d;
  --panel-rotate: -4deg;
}

.intro-overlay.step-1 .panel-one,
.intro-overlay.step-2 .panel-one,
.intro-overlay.step-2 .panel-two,
.intro-overlay.step-3 .panel-one,
.intro-overlay.step-3 .panel-two,
.intro-overlay.step-3 .panel-three,
.intro-overlay.step-4 .panel-start {
  animation: comicPop .22s cubic-bezier(.2, 1.45, .4, 1) both;
}

.intro-overlay.step-3 .panel-one,
.intro-overlay.step-3 .panel-two {
  opacity: 1;
  transform: translateX(var(--panel-x, 0)) scale(1) rotate(var(--panel-rotate, -6deg));
}

.intro-overlay.step-1:not(.step-2) .panel-one {
  opacity: 1;
  transform: translateX(var(--panel-x, 0)) scale(1) rotate(var(--panel-rotate, -6deg));
}

.hud {
  text-align: center;
  transform: translate3d(var(--shake), calc(var(--shake) * -1), 0);
}

.tagline {
  margin: 0 0 2px;
  color: #fff2a8;
  font-size: clamp(16px, 4vw, 22px);
  text-shadow: 0 2px 0 #8d221d;
}

.countdown-box {
  display: inline-grid;
  grid-template-columns: auto auto;
  align-items: end;
  gap: 8px;
  margin: 0 auto 3px;
  color: #fff8df;
  text-shadow:
    0 3px 0 #111,
    0 0 18px rgba(255, 225, 65, .72);
}

.countdown-box span {
  padding-bottom: .34em;
  font-size: clamp(18px, 4.8vw, 30px);
}

.countdown-box strong {
  font-size: clamp(70px, 20vw, 146px);
  line-height: .8;
}

.countdown-box.is-urgent {
  color: #ff241b;
  animation: countdownPanic .32s steps(2) infinite;
}

.temperature {
  margin: 0;
  line-height: .88;
  color: #fff9e6;
  font-size: clamp(54px, 16vw, 134px);
  letter-spacing: 0;
  text-shadow:
    0 3px 0 #6d1915,
    0 8px 18px rgba(0, 0, 0, .35),
    0 0 calc(16px + var(--heat) * 34px) rgba(255, 67, 34, .82);
}

.temperature span {
  font-size: .38em;
  vertical-align: .38em;
}

.temperature.is-long {
  font-size: clamp(42px, 12vw, 104px);
}

.temperature.is-mega {
  font-size: clamp(32px, 9vw, 76px);
}

.status {
  min-height: 34px;
  margin: 4px auto 0;
  color: #171014;
  background: var(--paper);
  border: 3px solid #171014;
  box-shadow: 0 5px 0 #171014;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  max-width: min(92vw, 520px);
  padding: 5px 14px 4px;
  transform: rotate(-1.5deg);
  font-size: clamp(16px, 4vw, 25px);
}

.playfield {
  display: grid;
  place-items: center;
  min-height: 0;
  padding: 8px 0;
}

.fever-card {
  position: relative;
  display: grid;
  justify-items: center;
  align-content: center;
  width: min(74vw, 360px);
  height: min(58dvh, 610px);
  min-height: 360px;
  transform:
    translate3d(calc(var(--shake) * -1), var(--shake), 0)
    rotate(calc(var(--heat) * -4deg));
}

.thermometer-wrap {
  position: relative;
  width: min(38vw, 158px);
  height: min(50dvh, 480px);
  min-height: 320px;
  filter:
    drop-shadow(0 18px 22px rgba(0, 0, 0, .42))
    drop-shadow(0 0 calc(var(--heat) * 36px) rgba(255, 65, 25, .8));
}

.thermometer {
  position: absolute;
  left: 50%;
  top: 0;
  width: 44%;
  height: 84%;
  transform: translateX(-50%);
  overflow: hidden;
  border: 8px solid #1b1616;
  border-radius: 999px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, .82), rgba(255, 255, 255, .22) 38%, rgba(40, 58, 78, .2) 72%),
    #dfeef2;
}

.mercury {
  position: absolute;
  left: 12%;
  right: 12%;
  bottom: -1%;
  height: var(--mercury);
  border-radius: 999px 999px 18px 18px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, .8), transparent 25%),
    linear-gradient(180deg, #fff86b, #ff5d22 36%, #d70428 70%, #6310ff);
  box-shadow: 0 0 26px rgba(255, 54, 22, .9);
  transition: height .12s linear;
}

.ticks {
  position: absolute;
  inset: 11% 8% 11% 58%;
  background:
    repeating-linear-gradient(
      to bottom,
      #1b1616 0 3px,
      transparent 3px 23px
    );
  opacity: .7;
}

.tube-glare {
  position: absolute;
  top: 7%;
  bottom: 10%;
  left: 18%;
  width: 18%;
  border-radius: 999px;
  background: rgba(255, 255, 255, .48);
}

.bulb {
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 88%;
  aspect-ratio: 1;
  transform: translateX(-50%);
  border: 8px solid #1b1616;
  border-radius: 50%;
  background:
    radial-gradient(circle at 36% 28%, #fffbe6 0 12%, transparent 13%),
    radial-gradient(circle, #ffcf3e 0 18%, #ff4b24 46%, #c6002b 72%, #251020 100%);
  box-shadow:
    inset 0 -16px 28px rgba(0, 0, 0, .32),
    0 0 calc(18px + var(--heat) * 56px) rgba(255, 36, 18, .9);
}

.bulb-core {
  position: absolute;
  inset: 21%;
  border-radius: 50%;
  background: #ffe44f;
  opacity: calc(.25 + var(--heat) * .7);
  transform: scale(calc(.8 + var(--heat) * .45));
  filter: blur(4px);
}

.doctor-note {
  position: absolute;
  bottom: 4%;
  left: 50%;
  width: min(74vw, 300px);
  transform: translateX(-50%) rotate(2deg);
  padding: 9px 14px;
  color: #161111;
  text-align: center;
  background: #f8f3df;
  border: 3px solid #171014;
  box-shadow: 0 6px 0 #171014;
  font-size: clamp(15px, 4vw, 22px);
}

.bottom-panel {
  display: grid;
  gap: 9px;
  width: 84vw;
  max-width: 520px;
  justify-self: center;
  margin: 0 auto;
  color: #fff9ea;
  text-shadow: 0 2px 0 #000;
  transform: translate3d(var(--shake), 0, 0);
}

.version-badge {
  position: fixed;
  right: max(8px, env(safe-area-inset-right));
  bottom: max(6px, env(safe-area-inset-bottom));
  z-index: 30;
  padding: 3px 7px;
  color: rgba(255, 249, 230, .78);
  background: rgba(12, 8, 10, .54);
  border: 1px solid rgba(255, 249, 230, .22);
  border-radius: 4px;
  font-family: Arial, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  font-size: 11px;
  line-height: 1.2;
  letter-spacing: 0;
  pointer-events: none;
  text-shadow: none;
}

.meter-row {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.stats {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 18px;
  flex-wrap: wrap;
  min-width: 0;
}

.meter-row span,
.stats span {
  flex: 0 0 auto;
  font-size: clamp(14px, 3.5vw, 18px);
}

.stats span:last-child {
  text-align: left;
}

.power-bar {
  flex: 1;
  min-width: 0;
  height: 18px;
  overflow: hidden;
  border: 3px solid #fff6df;
  background: rgba(0, 0, 0, .28);
  box-shadow: inset 0 0 0 2px rgba(0, 0, 0, .35);
}

.power-bar div {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #1ef1ff, #f8f043, #ff331f, #8b22ff);
  transition: width .08s linear;
}

.effects {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: -1;
}

.spark,
.bubble,
.steam,
.meteor {
  position: absolute;
  display: block;
  opacity: 0;
}

.spark {
  width: 16px;
  height: 58px;
  background: #fff06a;
  box-shadow: 0 0 18px #ff351d;
  clip-path: polygon(44% 0, 72% 0, 56% 38%, 84% 38%, 26% 100%, 38% 55%, 12% 55%);
  animation: spark 560ms linear infinite;
}

.spark-a { left: 18%; top: 32%; animation-delay: -120ms; }
.spark-b { right: 14%; top: 42%; animation-delay: -330ms; }
.spark-c { left: 58%; bottom: 25%; animation-delay: -230ms; }

.bubble {
  width: 42px;
  height: 42px;
  border: 4px solid rgba(255, 255, 255, .82);
  border-radius: 50%;
  animation: bubble 1.45s ease-in infinite;
}

.bubble-a { left: 15%; bottom: 10%; animation-delay: -300ms; }
.bubble-b { right: 20%; bottom: 8%; animation-delay: -800ms; }
.bubble-c { left: 62%; bottom: 15%; animation-delay: -1100ms; }

.steam {
  width: 34px;
  height: 90px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .52);
  filter: blur(12px);
  animation: steam 1.7s ease-out infinite;
}

.steam-a { left: 24%; bottom: 22%; animation-delay: -200ms; }
.steam-b { right: 24%; bottom: 19%; animation-delay: -730ms; }
.steam-c { left: 54%; bottom: 16%; animation-delay: -1150ms; }

.meteor {
  width: 4px;
  height: 150px;
  background: linear-gradient(#fff, transparent);
  transform: rotate(42deg);
  animation: meteor 1.2s linear infinite;
}

.meteor-a { top: -12%; left: 24%; animation-delay: -400ms; }
.meteor-b { top: -18%; right: 20%; animation-delay: -920ms; }

.stage-warn .status {
  animation: blink 400ms steps(2) infinite;
}

.stage-smoke .fever-card,
.stage-boil .fever-card,
.stage-fire .fever-card,
.stage-magma .fever-card,
.stage-cosmos .fever-card {
  animation: rage .12s steps(2) infinite;
}

.stage-boil .bubble,
.stage-boil .steam,
.stage-fire .spark,
.stage-magma .spark,
.stage-cosmos .spark,
.stage-cosmos .meteor {
  opacity: 1;
}

.stage-smoke .steam {
  opacity: .75;
}

.stage-fire {
  background:
    radial-gradient(circle at 50% 62%, rgba(255, 222, 72, .5), transparent 12rem),
    linear-gradient(155deg, #33070a, #7d0e18 44%, #080405 100%);
}

.stage-magma {
  background:
    repeating-linear-gradient(112deg, rgba(255, 227, 81, .18) 0 12px, transparent 12px 38px),
    linear-gradient(155deg, #130606, #842218 36%, #0b0614 100%);
}

.stage-cosmos {
  background:
    radial-gradient(circle at 20% 20%, #fff 0 1px, transparent 2px),
    radial-gradient(circle at 68% 30%, #8df7ff 0 1px, transparent 2px),
    radial-gradient(circle at 40% 75%, #ffed8a 0 1px, transparent 2px),
    linear-gradient(155deg, #070313, #1a1054 44%, #050408 100%);
  background-size: auto, auto, auto, auto;
}

.stage-finish {
  animation: finalFlash 520ms steps(2) infinite;
}

.finish-modal {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  place-items: center;
  padding: 20px;
  background:
    radial-gradient(circle, rgba(255, 255, 255, .88) 0 7%, rgba(255, 221, 45, .84) 8% 22%, rgba(255, 48, 22, .82) 23% 42%, rgba(10, 6, 12, .96) 43%);
  animation: finishIn .35s both;
}

.finish-modal[hidden] {
  display: none;
}

.finish-burst {
  position: absolute;
  inset: -40vmax;
  background: conic-gradient(#fff, #ffda31, #ff331f, #1ef1ff, #fff);
  opacity: .42;
  animation: spin 1.2s linear infinite;
}

.finish-content {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  width: min(92vw, 560px);
  padding: 22px 16px 18px;
  color: #160d0d;
  text-align: center;
  background: #fff7dc;
  border: 5px solid #160d0d;
  box-shadow: 0 10px 0 #160d0d, 0 0 40px rgba(255, 255, 255, .6);
  transform: rotate(-1.2deg);
}

.finish-label {
  margin: 0;
  font-size: 16px;
}

.finish-content h2 {
  margin: 0;
  color: #f12420;
  font-size: clamp(68px, 18vw, 128px);
  line-height: .95;
  text-shadow: 0 4px 0 #160d0d;
}

.finish-content p {
  margin: 4px 0 14px;
  font-size: clamp(22px, 6vw, 36px);
}

.finish-content button {
  min-height: 48px;
  margin-top: 7px;
  padding: 7px 16px;
  color: white;
  background: #161111;
  border: 0;
  box-shadow: 0 5px 0 #e23422;
  cursor: pointer;
}

.finish-content button:disabled {
  cursor: wait;
  opacity: .68;
}

.finish-content #restartButton {
  position: relative;
  width: min(100%, 430px);
  min-height: 86px;
  margin-top: 12px;
  padding: 16px 28px 14px;
  overflow: hidden;
  color: #160d0d;
  background:
    radial-gradient(circle at 22% 18%, #ffffff 0 9%, transparent 10%),
    linear-gradient(135deg, #fff15a 0%, #ff7a1a 48%, #ff2e72 100%);
  border: 5px solid #160d0d;
  box-shadow: 0 10px 0 #160d0d, 0 0 28px rgba(255, 70, 32, .62);
  font-size: clamp(28px, 8vw, 46px);
  line-height: 1;
  text-shadow: 0 2px 0 rgba(255, 255, 255, .72);
  transform: rotate(1.2deg);
}

.finish-content #restartButton::after {
  content: "";
  position: absolute;
  inset: -30% auto -30% -42%;
  width: 46%;
  background: rgba(255, 255, 255, .48);
  transform: skewX(-18deg);
  animation: buttonShine 1.8s ease-in-out infinite;
}

.finish-content .share-x-button {
  width: min(100%, 270px);
  min-height: 50px;
  margin-top: 14px;
  padding: 9px 18px;
  background: #111111;
  box-shadow: 0 5px 0 #1ef1ff;
  font-size: clamp(17px, 4.8vw, 24px);
  line-height: 1.05;
}

.finish-content .share-status {
  min-height: 18px;
  margin: 9px 0 0;
  color: #321a12;
  font-family: Arial, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  font-size: 12px;
  line-height: 1.35;
}

.game.is-capturing .finish-content button,
.game.is-capturing .share-status {
  display: none;
}

@keyframes blink {
  50% { color: white; background: #f02620; }
}

@keyframes buttonShine {
  0%, 48% { left: -42%; }
  100% { left: 128%; }
}

@keyframes comicPop {
  from {
    opacity: 0;
    transform: translateX(var(--panel-x, 0)) scale(.62) rotate(calc(var(--panel-rotate, -6deg) - 6deg));
  }
  to {
    opacity: 1;
    transform: translateX(var(--panel-x, 0)) scale(1) rotate(var(--panel-rotate, -6deg));
  }
}

@keyframes countdownPanic {
  50% {
    transform: scale(1.16) rotate(-2deg);
    text-shadow:
      0 4px 0 #111,
      0 0 30px rgba(255, 27, 18, 1);
  }
}

@keyframes rage {
  50% { transform: translate3d(7px, -4px, 0) rotate(3deg); }
}

@keyframes spark {
  0% { transform: translateY(40px) scale(.65) rotate(12deg); opacity: 0; }
  22% { opacity: 1; }
  100% { transform: translateY(-70px) scale(1.25) rotate(-18deg); opacity: 0; }
}

@keyframes bubble {
  0% { transform: translateY(30px) scale(.45); opacity: 0; }
  25% { opacity: .85; }
  100% { transform: translateY(-170px) scale(1.35); opacity: 0; }
}

@keyframes steam {
  0% { transform: translateY(44px) scale(.72); opacity: 0; }
  30% { opacity: .7; }
  100% { transform: translateY(-170px) scale(1.45); opacity: 0; }
}

@keyframes meteor {
  0% { transform: translate(90px, -130px) rotate(42deg); opacity: 0; }
  18% { opacity: .9; }
  100% { transform: translate(-170px, 360px) rotate(42deg); opacity: 0; }
}

@keyframes spin {
  to { transform: rotate(1turn); }
}

@keyframes finishIn {
  from { opacity: 0; transform: scale(1.14); }
}

@keyframes finalFlash {
  50% { filter: saturate(1.8) invert(.08); }
}

@media (min-width: 760px) {
  .game {
    padding-inline: 32px;
  }

  .fever-card {
    height: min(56vh, 570px);
  }

  .bottom-panel {
    padding-bottom: 8px;
  }
}

@media (max-height: 690px) {
  .countdown-box strong {
    font-size: clamp(54px, 14vh, 92px);
  }

  .temperature {
    font-size: clamp(46px, 13vh, 92px);
  }

  .thermometer-wrap {
    min-height: 250px;
    height: 42dvh;
  }

  .fever-card {
    min-height: 270px;
    height: 46dvh;
  }
}