:root {
  --die: 120px;
  --bg-top: #1b1640;
  --bg-bottom: #07060f;
  --accent: #8b7bff;
  --text: #f2f0ff;
  --muted: rgba(242, 240, 255, 0.55);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
  margin: 0;
}

html,
body {
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
  touch-action: manipulation;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(120% 80% at 50% 30%, var(--bg-top) 0%, #110e29 45%, var(--bg-bottom) 100%) fixed;
  background-color: var(--bg-bottom);
  -webkit-tap-highlight-color: transparent;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

.defs {
  position: absolute;
}

.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right))
    max(20px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
}

.top {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

h1 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.badge {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 3px 8px;
  border-radius: 999px;
  color: var(--accent);
  background: rgba(139, 123, 255, 0.14);
}

.stage {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  width: 100%;
  border: 0;
  padding: 0;
  background: none;
  color: inherit;
  font: inherit;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.stage:focus {
  outline: none;
}

.stage:focus-visible .glow {
  box-shadow: 0 0 0 2px rgba(139, 123, 255, 0.5);
}

.stage[aria-busy="true"] {
  cursor: progress;
}

.glow,
.shadow,
.scene {
  position: absolute;
  left: 50%;
  top: 50%;
  pointer-events: none;
}

.glow {
  width: calc(var(--die) * 4);
  height: calc(var(--die) * 4);
  margin: calc(var(--die) * -2) 0 0 calc(var(--die) * -2);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124, 104, 255, 0.32) 0%, rgba(124, 104, 255, 0.08) 40%, transparent 68%);
  opacity: 0.85;
}

.glow.flash {
  animation: glow-flash 700ms ease-out;
}

@keyframes glow-flash {
  0% {
    opacity: 1;
    transform: scale(1.12);
  }
  100% {
    opacity: 0.85;
    transform: scale(1);
  }
}

.shadow {
  width: calc(var(--die) * 1.7);
  height: calc(var(--die) * 0.32);
  margin-top: calc(var(--die) * 1.2);
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(0, 0, 0, 0.7), rgba(40, 20, 120, 0.25) 60%, transparent);
  transform: translateX(-50%);
  will-change: transform, opacity;
}

.scene {
  width: 0;
  height: 0;
  perspective: calc(var(--die) * 8);
}

.lift,
.die {
  position: absolute;
  left: 0;
  top: 0;
  transform-style: preserve-3d;
  will-change: transform;
}

.face {
  position: absolute;
  left: 0;
  top: 0;
  transform-origin: 0 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.face svg {
  display: block;
  overflow: visible;
}

/* Le trait de même teinte déborde de ~0,6 px pour masquer les liserés d'anticrénelage entre faces. */
.face .base {
  fill: url(#faceFill);
  stroke: url(#faceFill);
  stroke-width: 1.2;
  stroke-linejoin: round;
}

.face .shade {
  fill: #0b0820;
  stroke: #0b0820;
  stroke-width: 1.2;
  stroke-linejoin: round;
}

.face .spec {
  fill: #fff;
  opacity: 0;
}

.face .edge {
  fill: none;
  stroke: rgba(255, 255, 255, 0.16);
  stroke-width: 1;
  stroke-linejoin: round;
}

.face text {
  fill: #fff;
  font-weight: 800;
  text-anchor: middle;
  dominant-baseline: central;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.readout {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding-bottom: 8px;
}

.result {
  min-height: 1.1em;
  font-size: clamp(4rem, 20vw, 6.5rem);
  font-weight: 800;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  text-shadow: 0 6px 30px rgba(124, 104, 255, 0.55);
  transition: opacity 150ms ease;
}

.result .hint {
  display: inline-block;
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--muted);
  text-shadow: none;
}

.result.pending {
  opacity: 0;
}

.result.show {
  animation: result-pop 420ms cubic-bezier(0.2, 1.4, 0.4, 1) both;
}

@keyframes result-pop {
  from {
    opacity: 0;
    transform: scale(0.6);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.history {
  display: flex;
  gap: 8px;
  min-height: 30px;
  padding: 0;
  list-style: none;
}

.history li {
  display: grid;
  place-items: center;
  min-width: 30px;
  height: 30px;
  padding: 0 6px;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.06);
}

.history li:first-child {
  color: var(--text);
  background: rgba(139, 123, 255, 0.22);
}

.history li:nth-child(4) {
  opacity: 0.7;
}

.history li:nth-child(5) {
  opacity: 0.45;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.overlay {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  place-items: center;
  padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right))
    max(20px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
  overflow: hidden;
}

.overlay[hidden] {
  display: none;
}

.overlay-backdrop,
.overlay-flash {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.overlay-backdrop {
  background: rgba(7, 6, 15, 0.9);
  animation: overlay-fade-in 300ms ease-out both;
}

@supports ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  .overlay-backdrop {
    background: rgba(7, 6, 15, 0.62);
    -webkit-backdrop-filter: blur(10px) saturate(1.3);
    backdrop-filter: blur(10px) saturate(1.3);
  }
}

.overlay-flash {
  background: radial-gradient(circle at 50% 45%, #fff 0%, rgba(139, 123, 255, 0.85) 35%, rgba(90, 63, 224, 0) 75%);
  opacity: 0;
  animation: overlay-flash 450ms var(--flash-delay, 0ms) ease-out;
}

.overlay-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(16px, 4vh, 32px);
}

.reverse-icon {
  position: relative;
  display: grid;
  place-items: center;
  width: min(46vmin, 240px);
  height: min(46vmin, 240px);
  animation: reverse-icon-in 600ms 80ms cubic-bezier(0.2, 1.5, 0.4, 1) both;
}

.reverse-card {
  position: absolute;
  width: 62%;
  height: 92%;
  border: 3px solid rgba(139, 123, 255, 0.55);
  border-radius: 18% / 12%;
  background: linear-gradient(160deg, rgba(139, 123, 255, 0.22), rgba(90, 63, 224, 0.08));
  box-shadow: 0 0 40px rgba(124, 104, 255, 0.35);
  transform: rotate(-14deg);
}

.reverse-arrows {
  position: relative;
  width: 82%;
  height: 82%;
  overflow: visible;
  filter: drop-shadow(0 0 14px rgba(139, 123, 255, 0.75));
  animation: reverse-spin 2.4s linear infinite;
}

.reverse-arrows path {
  fill: none;
  stroke: url(#faceFill);
  stroke-width: 9;
  stroke-linecap: round;
}

.reverse-arrows polygon {
  fill: #8b7bff;
  stroke: #8b7bff;
  stroke-width: 3;
  stroke-linejoin: round;
}

.reverse-title {
  font-size: clamp(3.4rem, 17vw, 8rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--text);
  text-shadow: 0 0 24px rgba(139, 123, 255, 0.9), 0 6px 40px rgba(90, 63, 224, 0.8);
  animation: reverse-title-in 900ms cubic-bezier(0.2, 1.2, 0.4, 1) both;
}

.reverse-sparks {
  position: absolute;
  left: 50%;
  top: calc(min(46vmin, 240px) / 2);
  pointer-events: none;
}

.reverse-sparks i {
  position: absolute;
  left: -3px;
  top: -3px;
  width: 6px;
  height: 18px;
  border-radius: 3px;
  background: linear-gradient(#fff, #8b7bff);
  opacity: 0;
  animation: reverse-spark 700ms var(--t, 0ms) cubic-bezier(0.1, 0.7, 0.3, 1) both;
}

.overlay-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 64px;
  padding: 0 34px;
  border: 0;
  border-radius: 999px;
  font: inherit;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #fff;
  background: linear-gradient(180deg, #8b7bff, #5a3fe0);
  box-shadow: 0 10px 30px rgba(90, 63, 224, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.35);
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  transform-origin: 50% 100%;
  animation:
    overlay-btn-in 320ms var(--btn-delay, 600ms) cubic-bezier(0.2, 1.4, 0.4, 1) both,
    overlay-bounce 1.3s calc(var(--btn-delay, 600ms) + 320ms) ease-in-out infinite;
}

.reverse-btn svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 2.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.overlay-btn:focus {
  outline: none;
}

.overlay-btn:focus-visible {
  outline: 3px solid var(--text);
  outline-offset: 4px;
}

.overlay-btn.press {
  animation: overlay-press 140ms ease-out both;
}

.reverse.closing .reverse-icon {
  animation: reverse-icon-out 560ms cubic-bezier(0.5, 0, 0.9, 0.4) both;
}

.reverse.closing .reverse-panel {
  animation: reverse-panel-out 440ms 120ms cubic-bezier(0.5, 0, 0.8, 0.3) both;
}

.overlay.closing .overlay-backdrop {
  animation: overlay-fade-out 400ms 160ms ease-in both;
}

@keyframes overlay-fade-in {
  from {
    opacity: 0;
  }
}

@keyframes overlay-fade-out {
  to {
    opacity: 0;
  }
}

@keyframes overlay-flash {
  0% {
    opacity: 0;
    transform: scale(0.6);
  }
  18% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: scale(1.4);
  }
}

@keyframes reverse-spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes reverse-icon-in {
  from {
    opacity: 0;
    transform: scale(0.2) rotate(-200deg);
  }
}

@keyframes reverse-icon-out {
  to {
    transform: rotate(900deg) scale(0.85);
  }
}

@keyframes reverse-panel-out {
  to {
    opacity: 0;
    transform: rotate(-200deg) scale(0.1);
  }
}

@keyframes reverse-title-in {
  0% {
    opacity: 0;
    transform: scale(2.8);
    filter: blur(10px);
  }
  42% {
    opacity: 1;
    transform: scale(0.94);
    filter: blur(0);
  }
  52% {
    transform: scale(1.03);
  }
  60% {
    transform: translateX(-7px) rotate(-1.5deg);
  }
  68% {
    transform: translateX(6px) rotate(1.2deg);
  }
  76% {
    transform: translateX(-4px) rotate(-0.6deg);
  }
  84% {
    transform: translateX(2px);
  }
  100% {
    opacity: 1;
    transform: none;
    filter: blur(0);
  }
}

@keyframes reverse-spark {
  0% {
    opacity: 1;
    transform: rotate(var(--a)) translateY(0) scaleY(0.4);
  }
  100% {
    opacity: 0;
    transform: rotate(var(--a)) translateY(calc(var(--d) * -1)) scaleY(1);
  }
}

@keyframes overlay-btn-in {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.6);
  }
}

@keyframes overlay-bounce {
  0%,
  100% {
    transform: translateY(0) scale(1.08, 0.9);
  }
  12% {
    transform: translateY(0) scale(1, 1);
  }
  30% {
    transform: translateY(-14px) scale(0.95, 1.06);
  }
  50% {
    transform: translateY(-20px) scale(1, 1);
  }
  72% {
    transform: translateY(-6px) scale(0.97, 1.04);
  }
  88% {
    transform: translateY(0) scale(1.04, 0.95);
  }
}

@keyframes overlay-press {
  50% {
    transform: scale(0.86);
  }
  to {
    transform: scale(0.94);
  }
}

.split-btn,
.d6-btn {
  justify-content: center;
  min-width: 140px;
}

.split.closing .overlay-panel,
.d6.closing .overlay-panel {
  animation: overlay-panel-out 420ms 60ms cubic-bezier(0.5, 0, 0.8, 0.3) both;
}

@keyframes overlay-panel-out {
  to {
    opacity: 0;
    transform: translateY(18vh) scale(0.7);
    filter: blur(6px);
  }
}

/* Chronologie : 8 à 80 ms, lame à 950 ms, flash à 1150 ms, chute à 1200 ms, texte à 1750 ms, bouton à 2300 ms (SPLIT_READY_MS). */
.split {
  --flash-delay: 1150ms;
  --btn-delay: 2300ms;
  --eight: min(52vmin, 300px);
}

.split-eight {
  position: absolute;
  left: 50%;
  top: 46%;
  width: var(--eight);
  height: calc(var(--eight) * 1.6);
  margin: calc(var(--eight) * -0.8) 0 0 calc(var(--eight) * -0.5);
  pointer-events: none;
  animation: split-eight-in 520ms 80ms cubic-bezier(0.2, 1.4, 0.4, 1) both;
}

.split-half,
.split-fall,
.split-clip {
  position: absolute;
  inset: 0;
  display: block;
}

.split-clip svg {
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
  filter: drop-shadow(0 0 16px rgba(139, 123, 255, 0.8));
}

.split-left .split-clip {
  clip-path: inset(-20% 50% -20% -20%);
}

.split-right .split-clip {
  clip-path: inset(-20% -20% -20% 50%);
}

.split-left {
  animation: split-drift-left 950ms 1200ms cubic-bezier(0.2, 0.6, 0.4, 1) both;
}

.split-right {
  animation: split-drift-right 950ms 1200ms cubic-bezier(0.2, 0.6, 0.4, 1) both;
}

.split-fall {
  will-change: transform;
  animation: split-fall 950ms 1200ms cubic-bezier(0.55, 0, 1, 0.45) both;
}

.split-blade {
  position: absolute;
  left: 50%;
  top: -12%;
  width: 6px;
  height: 124%;
  margin-left: -3px;
  border-radius: 3px;
  background: linear-gradient(rgba(255, 255, 255, 0), #fff 18%, #fff 82%, rgba(255, 255, 255, 0));
  box-shadow: 0 0 12px 3px rgba(139, 123, 255, 0.9), 0 0 36px 10px rgba(90, 63, 224, 0.6);
  transform-origin: 50% 0;
  opacity: 0;
  animation: split-blade 340ms 950ms cubic-bezier(0.7, 0, 0.3, 1) both;
}

.split-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: clamp(2.8rem, 13vw, 7rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: 0.04em;
  text-align: center;
  color: var(--text);
  text-shadow: 0 0 24px rgba(139, 123, 255, 0.9), 0 6px 40px rgba(90, 63, 224, 0.8);
}

.split-title span {
  display: block;
}

.split-title span:first-child {
  animation: split-word-left 620ms 1750ms cubic-bezier(0.2, 1.3, 0.4, 1) both;
}

.split-title span:last-child {
  animation: split-word-right 620ms 1820ms cubic-bezier(0.2, 1.3, 0.4, 1) both;
}

@keyframes split-eight-in {
  from {
    opacity: 0;
    transform: scale(0.3);
    filter: blur(8px);
  }
  to {
    opacity: 1;
    transform: none;
    filter: blur(0);
  }
}

@keyframes split-blade {
  0% {
    opacity: 1;
    transform: scaleY(0);
  }
  55% {
    opacity: 1;
    transform: scaleY(1);
  }
  100% {
    opacity: 0;
    transform: scale(3, 1);
  }
}

@keyframes split-drift-left {
  12% {
    transform: translateX(-4%) rotate(-3deg);
  }
  75% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateX(-34vw) rotate(-58deg);
  }
}

@keyframes split-drift-right {
  12% {
    transform: translateX(4%) rotate(3deg);
  }
  75% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateX(34vw) rotate(58deg);
  }
}

@keyframes split-fall {
  0%,
  12% {
    transform: none;
  }
  100% {
    transform: translateY(95vh);
  }
}

@keyframes split-word-left {
  0% {
    opacity: 0;
    transform: translateX(-70vw) skewX(-20deg);
    filter: blur(6px);
  }
  60% {
    opacity: 1;
    transform: translateX(4%) skewX(6deg);
    filter: blur(0);
  }
  100% {
    opacity: 1;
    transform: none;
    filter: blur(0);
  }
}

@keyframes split-word-right {
  0% {
    opacity: 0;
    transform: translateX(70vw) skewX(20deg);
    filter: blur(6px);
  }
  60% {
    opacity: 1;
    transform: translateX(-4%) skewX(-6deg);
    filter: blur(0);
  }
  100% {
    opacity: 1;
    transform: none;
    filter: blur(0);
  }
}

/* Chronologie : 9 qui rebondit, 9 → 6 à 1100 ms, D6 à 1500 ms, 6 → 9 à 2200 ms, invitation à 2800 ms (D6_READY_MS). */
.d6 {
  --flash-delay: 1500ms;
  --btn-delay: 200ms;
  --d6: min(26vmin, 130px);
  --glyph: min(22vmin, 110px);
}

.d6-panel {
  gap: clamp(14px, 3vh, 28px);
}

.d6-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(16px, 6vmin, 48px);
}

.d6-glyph {
  display: block;
  width: var(--glyph);
  height: calc(var(--glyph) * 1.64);
  transform-origin: 50% 100%;
  animation: d6-glyph-bounce 1000ms 80ms both;
}

.d6-digit {
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
  filter: drop-shadow(0 0 14px rgba(139, 123, 255, 0.8));
  animation: d6-flip 1800ms 1100ms ease-in-out both;
}

.d6-stage {
  position: relative;
  display: grid;
  place-items: center;
  width: calc(var(--d6) * 1.8);
  height: calc(var(--d6) * 2.2);
  border: 0;
  border-radius: 24px;
  padding: 0;
  background: none;
  color: inherit;
  font: inherit;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  animation: d6-in 600ms 1500ms cubic-bezier(0.2, 1.4, 0.4, 1) both;
}

.d6-stage:focus {
  outline: none;
}

.d6-stage:focus-visible {
  outline: 3px solid var(--text);
  outline-offset: 4px;
}

.d6-stage[aria-busy="true"] {
  cursor: progress;
}

.d6-halo {
  position: absolute;
  inset: -20%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124, 104, 255, 0.45) 0%, rgba(124, 104, 255, 0.1) 40%, transparent 68%);
  pointer-events: none;
  animation: d6-halo 900ms 1500ms ease-out both;
}

.d6-shadow {
  position: absolute;
  left: 50%;
  top: 50%;
  width: calc(var(--d6) * 1.3);
  height: calc(var(--d6) * 0.26);
  margin: calc(var(--d6) * 0.66) 0 0 calc(var(--d6) * -0.65);
  border-radius: 50%;
  background: radial-gradient(closest-side, rgba(0, 0, 0, 0.7), rgba(40, 20, 120, 0.25) 60%, transparent);
  pointer-events: none;
  will-change: transform, opacity;
}

.d6-float {
  display: block;
  animation: d6-float 2.4s 2700ms ease-in-out infinite;
}

.d6.rolling .d6-float,
.d6.landed .d6-float {
  animation-play-state: paused;
}

.d6-scene {
  position: relative;
  display: block;
  width: var(--d6);
  height: var(--d6);
  perspective: calc(var(--d6) * 6);
}

.d6-lift,
.d6-cube {
  position: absolute;
  left: 50%;
  top: 50%;
  transform-style: preserve-3d;
  will-change: transform;
}

.d6-face {
  position: absolute;
  left: calc(var(--d6) / -2);
  top: calc(var(--d6) / -2);
  display: grid;
  grid-template: repeat(3, 1fr) / repeat(3, 1fr);
  width: var(--d6);
  height: var(--d6);
  padding: 14%;
  border-radius: 10%;
  background: linear-gradient(160deg, #8b7bff, #5a3fe0);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.16);
  overflow: hidden;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.d6-face i {
  display: block;
  margin: 14%;
  border-radius: 50%;
}

.d6-face i.on {
  background: #fff;
  box-shadow: inset 0 -2px 3px rgba(11, 8, 32, 0.35);
}

.d6-shade,
.d6-spec {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
}

.d6-shade {
  background: #0b0820;
}

.d6-spec {
  background: #fff;
}

.d6-info {
  display: grid;
  place-items: center;
  min-height: clamp(4rem, 20vw, 6.5rem);
}

.d6-hint,
.d6-result {
  grid-area: 1 / 1;
}

.d6-hint {
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--muted);
  animation:
    overlay-fade-in 400ms 2800ms ease-out both,
    d6-hint-pulse 1.6s 3200ms ease-in-out infinite;
}

.d6.rolling .d6-hint,
.d6.landed .d6-hint {
  visibility: hidden;
}

.d6-result {
  font-size: clamp(4rem, 20vw, 6.5rem);
  font-weight: 800;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 0 24px rgba(139, 123, 255, 0.9), 0 6px 30px rgba(124, 104, 255, 0.55);
}

.d6.landed .d6-result {
  animation: d6-result-in 520ms cubic-bezier(0.2, 1.5, 0.4, 1) both;
}

.d6:not(.landed) .d6-btn {
  visibility: hidden;
  animation: none;
}

@keyframes d6-glyph-bounce {
  0% {
    opacity: 0;
    transform: translateY(-60vh) scale(0.9, 1.15);
    animation-timing-function: cubic-bezier(0.5, 0, 1, 0.6);
  }
  10% {
    opacity: 1;
  }
  30% {
    transform: translateY(0) scale(1.22, 0.78);
    animation-timing-function: cubic-bezier(0, 0.4, 0.5, 1);
  }
  50% {
    transform: translateY(-14vh) scale(0.94, 1.08);
    animation-timing-function: cubic-bezier(0.5, 0, 1, 0.6);
  }
  66% {
    transform: translateY(0) scale(1.12, 0.88);
    animation-timing-function: cubic-bezier(0, 0.4, 0.5, 1);
  }
  78% {
    transform: translateY(-5vh) scale(0.98, 1.03);
    animation-timing-function: cubic-bezier(0.5, 0, 1, 0.6);
  }
  88% {
    transform: translateY(0) scale(1.05, 0.95);
    animation-timing-function: ease-out;
  }
  100% {
    opacity: 1;
    transform: none;
  }
}

@keyframes d6-flip {
  0% {
    transform: rotate(0deg);
  }
  14% {
    transform: rotate(90deg) scale(1.15);
  }
  28%,
  61% {
    transform: rotate(180deg);
  }
  75% {
    transform: rotate(270deg) scale(1.15);
  }
  89%,
  100% {
    transform: rotate(360deg);
  }
}

@keyframes d6-in {
  from {
    opacity: 0;
    transform: scale(0.1) rotate(-30deg);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes d6-halo {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  40% {
    opacity: 1;
    transform: scale(1.4);
  }
  100% {
    opacity: 0.6;
    transform: scale(1);
  }
}

@keyframes d6-float {
  0%,
  100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-7%) scale(1.05);
  }
}

@keyframes d6-hint-pulse {
  50% {
    opacity: 0.55;
  }
}

@keyframes d6-result-in {
  from {
    opacity: 0;
    transform: scale(0.3) rotate(-12deg);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .result.show {
    animation-duration: 150ms;
    animation-timing-function: ease-out;
  }

  .glow.flash {
    animation: none;
  }

  .overlay-flash,
  .reverse-sparks {
    display: none;
  }

  .overlay-backdrop,
  .reverse-icon,
  .reverse-title,
  .overlay-panel {
    animation: overlay-fade-in 200ms ease-out both;
  }

  .reverse-arrows,
  .overlay-btn,
  .overlay-btn.press {
    animation: none;
  }

  .reverse.closing .reverse-icon {
    animation: none;
  }

  .overlay.closing .overlay-panel,
  .overlay.closing .overlay-backdrop {
    animation: overlay-fade-out 160ms ease-in both;
  }

  .split-eight {
    display: none;
  }

  .split-title span,
  .d6-glyph,
  .d6-stage,
  .d6-halo,
  .d6-hint,
  .d6.landed .d6-result {
    animation: overlay-fade-in 200ms ease-out both;
  }

  .d6-digit,
  .d6-float {
    animation: none;
  }
}