:root {
  --app-height: 100vh;
  --bg-a: #ff4f87;
  --bg-b: #ff7a45;
  --bg-angle: 145deg;
  --white: #ffffff;
  --ink: #221126;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

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

html,
body {
  position: fixed;
  inset: 0;
  width: 100%;
  height: var(--app-height);
  min-height: var(--app-height);
  margin: 0;
  overflow: hidden;
  overscroll-behavior: none;
  background:
    radial-gradient(circle at 20% 10%, rgba(255,255,255,0.18), transparent 32%),
    linear-gradient(var(--bg-angle), var(--bg-a), var(--bg-b));
  color: var(--white);
  font-family: Inter, ui-rounded, "SF Pro Rounded", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}

button {
  font: inherit;
}

#game {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: var(--app-height);
  min-height: var(--app-height);
  isolation: isolate;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 10%, rgba(255,255,255,0.18), transparent 32%),
    linear-gradient(var(--bg-angle), var(--bg-a), var(--bg-b));
}

#game::before {
  content: "";
  position: absolute;
  inset: -30%;
  z-index: -1;
  background:
    radial-gradient(circle, rgba(255,255,255,0.15) 0 7%, transparent 8% 100%);
  background-size: 54px 54px;
  opacity: 0.22;
  transform: rotate(14deg);
  animation: drift 18s linear infinite;
}

.brand {
  position: absolute;
  top: calc(22px + var(--safe-top));
  left: 24px;
  right: 24px;
  z-index: 5;
  pointer-events: none;
  text-align: center;
  text-shadow: 0 2px 18px rgba(60, 0, 30, 0.18);
}

.brand__name {
  font-size: clamp(1.2rem, 5vw, 1.8rem);
  font-weight: 950;
  letter-spacing: 0.16em;
}

.brand__status {
  margin-top: 7px;
  font-size: 0.9rem;
  font-weight: 750;
  opacity: 0.86;
}

.touch-layer {
  position: absolute;
  inset: 0;
  z-index: 2;
  touch-action: none;
}

.finger {
  --x: 50vw;
  --y: 50vh;
  --size: clamp(74px, 20vw, 104px);
  --fill: 0%;
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: var(--size);
  height: var(--size);
  transform: translate(-50%, -50%) scale(1);
  border: 5px solid rgba(255, 255, 255, 0.96);
  border-radius: 999px;
  background:
    radial-gradient(circle, rgba(255,255,255,0.98) 0 var(--fill), rgba(255,255,255,0.05) calc(var(--fill) + 1%));
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.2),
    0 0 30px rgba(255,255,255,0.28),
    inset 0 0 20px rgba(255,255,255,0.1);
  pointer-events: none;
  will-change: transform, left, top, opacity;
  animation: breathe 0.9s ease-in-out infinite alternate;
  transition:
    left 90ms linear,
    top 90ms linear,
    background 220ms ease,
    transform 260ms cubic-bezier(.2,.9,.2,1),
    opacity 220ms ease,
    box-shadow 220ms ease;
}

.finger::after {
  content: "";
  position: absolute;
  inset: -14px;
  border: 2px solid rgba(255,255,255,0.42);
  border-radius: inherit;
  opacity: 0.55;
  animation: ripple 1.1s ease-out infinite;
}

.finger.is-locked {
  --fill: 55%;
  background: var(--white);
  border-color: var(--white);
  box-shadow: 0 0 44px rgba(255,255,255,0.58);
  animation: lockedPulse 0.72s ease-in-out infinite alternate;
}

.finger.is-locked::after {
  opacity: 0.2;
}

.finger.is-cycling {
  animation: cyclePulse 0.22s ease-in-out infinite alternate;
}

.finger.is-eliminated {
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.08);
}

.finger.is-winner {
  z-index: 9;
  animation: winnerPulse 0.38s ease-in-out 4 alternate;
  box-shadow: 0 0 0 18px rgba(255,255,255,0.16), 0 0 64px rgba(255,255,255,0.78);
}

.finger.is-winner.is-expanding {
  transform: translate(-50%, -50%) scale(18);
  opacity: 1;
}

.prompt-screen {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: calc(90px + var(--safe-top)) 24px calc(28px + var(--safe-bottom));
  background: var(--white);
  color: var(--ink);
  opacity: 0;
  visibility: hidden;
  transform: scale(1.04);
  transition: opacity 320ms ease, transform 420ms cubic-bezier(.18,.82,.18,1), visibility 0s linear 420ms;
}

.prompt-screen.is-visible {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
  transition-delay: 0s;
}

.prompt-card {
  width: min(100%, 680px);
  text-align: center;
}

.prompt-card__eyebrow {
  margin-bottom: 20px;
  font-size: 0.82rem;
  font-weight: 950;
  letter-spacing: 0.2em;
  color: #e63d78;
}

.prompt-card__text {
  margin: 0;
  font-size: clamp(2rem, 8.2vw, 4rem);
  line-height: 1.02;
  font-weight: 950;
  letter-spacing: -0.045em;
}

.prompt-card__button {
  width: min(100%, 360px);
  margin-top: 42px;
  padding: 18px 24px;
  border: 0;
  border-radius: 999px;
  background: var(--ink);
  color: var(--white);
  font-size: 1rem;
  font-weight: 950;
  letter-spacing: 0.1em;
  cursor: pointer;
}

.prompt-card__button:active {
  transform: scale(0.97);
}


body.is-selecting #game {
  animation: backgroundPulse 0.42s ease-in-out infinite alternate;
}

@keyframes breathe {
  from { transform: translate(-50%, -50%) scale(0.96); }
  to { transform: translate(-50%, -50%) scale(1.04); }
}

@keyframes ripple {
  from { transform: scale(0.88); opacity: 0.6; }
  to { transform: scale(1.18); opacity: 0; }
}

@keyframes lockedPulse {
  from { transform: translate(-50%, -50%) scale(0.96); }
  to { transform: translate(-50%, -50%) scale(1.06); }
}

@keyframes cyclePulse {
  from { transform: translate(-50%, -50%) scale(0.92); }
  to { transform: translate(-50%, -50%) scale(1.1); }
}

@keyframes winnerPulse {
  from { transform: translate(-50%, -50%) scale(0.92); }
  to { transform: translate(-50%, -50%) scale(1.22); }
}

@keyframes backgroundPulse {
  from { filter: saturate(1) brightness(1); }
  to { filter: saturate(1.12) brightness(1.06); }
}

@keyframes drift {
  to { transform: translate3d(54px, 54px, 0) rotate(14deg); }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}