:root {
  --outer: #e5e5e5;

  --panel: #f2f7fc;
  --panel-border: rgba(0, 0, 0, 0.22);

  --frame: #2a6cff;
  --frame-glow: rgba(255, 255, 255, 0.7);

  --blue: #006cfc;
  --blue-dark: #001997;

  --green: #009048;
  --green-shadow: #77c2a2;

  --ink: #0b0b0b;

  --win: #8b8c54;
  --lose: #8a5a5a;

  --shadow: rgba(0, 0, 0, 0.14);
  --radius: 16px;
  --maxw: 1020px;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: "Odibee Sans", system-ui, -apple-system, Segoe UI, Roboto, Arial,
    sans-serif;
  background: var(--outer);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.stage {
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 18px;
}

.shell {
  width: min(var(--maxw), 96vw);
  max-width: var(--maxw);
}

.app {
  width: 100%;
  background: var(--panel);
  border: 2px solid var(--panel-border);
  box-shadow: 0 12px 34px var(--shadow);
}

.screen {
  position: relative;
  width: 100%;
  min-height: 560px;
  padding: 26px 18px 22px;
  overflow: hidden;
  background: var(--panel);
}

@media (max-width: 420px) {
  .shell {
    width: 100%;
  }
  .screen {
    min-height: 640px;
    padding: 22px 14px 18px;
  }
}

.topbar {
  position: absolute;
  top: 8px;
  left: 10px;
  font-size: 18px;
  opacity: 0.55;
  user-select: none;
}

.panel-frame {
  position: relative;
  border: 2px solid var(--frame);
  background: var(--panel);
  box-shadow: inset 0 0 0 2px var(--frame-glow),
    inset 0 0 0 10px rgba(0, 0, 0, 0.03);
  padding: 28px 18px 22px;
  min-height: 520px;
}

@media (max-width: 420px) {
  .panel-frame {
    min-height: 600px;
    padding: 24px 14px 18px;
  }
}

.pattern {
  position: absolute;
  inset: -44px;
  opacity: 0.55;
  pointer-events: none;
  background-image: var(--pattern);
  background-size: 120px 120px;
  background-repeat: repeat;
  filter: saturate(1) contrast(1);
}

.center {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  gap: 18px;
  text-align: center;
  padding-top: 42px;
}

.title {
  line-height: 0.92;
  font-size: clamp(56px, 7vw, 86px);
  letter-spacing: 1px;
  margin: 0;
  color: var(--green);
  text-shadow: 10px 10px 0 var(--green-shadow);
}

.home-bottom {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 16px;
  display: flex;
  align-items: flex-end;
  gap: 18px;
  z-index: 2;
  user-select: none;
}

@media (max-width: 420px) {
  .home-bottom {
    bottom: 14px;
    gap: 14px;
  }
}

.btn {
  -webkit-tap-highlight-color: transparent;
  display: inline-grid;
  place-items: center;
  min-width: 330px;
  height: 78px;
  border-radius: 6px;
  background: var(--blue);
  border: 6px solid var(--blue-dark);
  color: #fff;
  font-size: 44px;
  letter-spacing: 1px;
  cursor: pointer;
  user-select: none;
  text-decoration: none;
  box-shadow: 0 10px 0 rgba(0, 0, 0, 0.12), 0 18px 24px rgba(0, 0, 0, 0.08);
  transition: transform 140ms ease, box-shadow 140ms ease, filter 140ms ease;
}

.btn:hover {
  filter: brightness(1.02);
}

.btn:active {
  transform: translateY(2px);
  box-shadow: 0 8px 0 rgba(0, 0, 0, 0.12), 0 12px 18px rgba(0, 0, 0, 0.08);
}

.btn:focus-visible {
  outline: 3px solid rgba(0, 108, 252, 0.35);
  outline-offset: 3px;
}

@media (max-width: 420px) {
  .btn {
    min-width: 280px;
    height: 72px;
    font-size: 42px;
  }
}

.rules-text {
  margin: 0;
  font-size: clamp(34px, 4.4vw, 46px);
  line-height: 1.05;
  color: var(--ink);
  text-shadow: 0 2px 0 rgba(0, 0, 0, 0.14);
  max-width: 740px;
}

.rules-center {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  gap: 18px;
  padding-top: 64px;
}

@media (max-width: 420px) {
  .rules-center {
    padding-top: 58px;
    gap: 16px;
  }
}

.game-center {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  padding-top: 44px;
  gap: 14px;
}

.countwrap {
  display: grid;
  place-items: center;
  width: 210px;
  height: 210px;
  user-select: none;
}

@media (max-width: 420px) {
  .countwrap {
    width: 190px;
    height: 190px;
  }
}

.choices-row {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 10px;
  display: flex;
  align-items: flex-end;
  gap: 18px;
  z-index: 2;
}

.choice-btn {
  -webkit-tap-highlight-color: transparent;
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  transform-origin: center;
  transition: transform 140ms ease, filter 140ms ease, opacity 140ms ease;
}

.choice-btn:hover {
  transform: translateY(-2px);
}

.choice-btn:active {
  transform: translateY(1px) scale(0.99);
}

.choice-btn[disabled] {
  cursor: not-allowed;
  opacity: 0.35;
  filter: grayscale(0.2);
}

.duel {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  grid-template-rows: 1fr 1fr;
  padding: 54px 18px 104px;
  pointer-events: none;
}

.duel .top,
.duel .bottom {
  display: grid;
  place-items: center;
}

.result-screen {
  position: relative;
  width: 100%;
  min-height: 560px;
  overflow: hidden;
}

.result-bg {
  position: absolute;
  inset: 0;
  opacity: 0.95;
}

.result-bg.win {
  background: var(--win);
}

.result-bg.lose {
  background: var(--lose);
}

.result-center {
  position: relative;
  z-index: 2;
  min-height: 560px;
  display: grid;
  place-items: center;
  padding: 30px 18px;
}

.result-stack {
  display: grid;
  place-items: center;
  gap: 18px;
}

.star {
  width: min(360px, 86vw);
  aspect-ratio: 1 / 1;
  filter: drop-shadow(0 12px 0 rgba(0, 0, 0, 0.18));
  user-select: none;
}

.score-card {
  width: min(430px, 88vw);
  background: #fff;
  border: 4px solid var(--ink);
  padding: 18px 18px 14px;
  text-align: center;
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.1);
}

.score-title {
  font-size: 52px;
  margin: 0;
  line-height: 1;
}

.score-lines {
  margin-top: 6px;
  display: grid;
  gap: 2px;
}

.score-lines p {
  margin: 0;
  font-size: 42px;
  line-height: 1.05;
}

.small-hands-fade {
  opacity: 0.35;
  filter: saturate(0.85);
}

svg {
  display: block;
}