.rainbow-ttt-card {
  --card-accent: #d946ef;
  --card-soft: #fff1fb;
  grid-template-rows: auto auto auto;
  align-items: start;
  border-color: rgb(217 70 239 / 35%);
  background:
    radial-gradient(circle at 92% 14%, rgb(250 204 21 / 34%), transparent 28%),
    linear-gradient(145deg, #fff1fb, #eef7ff);
}

.rainbow-ttt-card::after {
  right: -0.5rem;
  bottom: -1.55rem;
  color: rgb(217 70 239 / 10%);
  content: "🌈";
  font-size: 5.5rem;
  transform: rotate(-8deg);
}

.rainbow-ttt-card > * {
  position: relative;
  z-index: 1;
}

.rainbow-ttt-card > .rainbow-ttt-flag {
  position: relative;
  inset: auto;
  grid-column: 2;
  grid-row: 1;
  justify-self: start;
  margin-bottom: 0.35rem;
  padding: 0.32rem 0.52rem;
  border-radius: 999px;
  color: #581c87;
  font-size: 0.62rem;
  font-weight: 950;
  letter-spacing: 0.06em;
  background: linear-gradient(90deg, #fde68a, #f9a8d4, #c4b5fd, #93c5fd);
  box-shadow: 0 0.35rem 0.9rem rgb(217 70 239 / 18%);
}

.rainbow-ttt-card > .game-icon {
  grid-column: 1;
  grid-row: 1 / 4;
  align-self: center;
  background: conic-gradient(from 210deg, #fecdd3, #fde68a, #bbf7d0, #bae6fd, #ddd6fe, #fbcfe8, #fecdd3);
}

.rainbow-ttt-card > .game-name {
  grid-column: 2;
  grid-row: 2;
}

.rainbow-ttt-card > .game-description {
  grid-column: 2;
  grid-row: 3;
}

.rainbow-ttt-screen {
  width: min(100%, 68rem);
  margin: 0 auto;
}

.rainbow-ttt-shell {
  overflow: hidden;
  border: 1px solid rgb(168 85 247 / 22%);
  border-radius: clamp(1.2rem, 3vw, 2rem);
  background:
    radial-gradient(circle at 8% 5%, rgb(250 204 21 / 20%), transparent 24%),
    radial-gradient(circle at 94% 9%, rgb(56 189 248 / 20%), transparent 28%),
    linear-gradient(150deg, #fff8fd, #f2f5ff 55%, #effcff);
  box-shadow: 0 1.5rem 4rem rgb(91 33 182 / 15%);
}

.rainbow-ttt-intro {
  display: grid;
  justify-items: center;
  min-height: min(42rem, calc(100dvh - 8rem));
  padding: clamp(1.25rem, 5vw, 3.2rem);
  text-align: center;
}

.rainbow-ttt-intro-art {
  position: relative;
  width: min(100%, 28rem);
  min-height: clamp(12rem, 35vw, 17rem);
  overflow: hidden;
  border: 1px solid rgb(255 255 255 / 78%);
  border-radius: 2rem;
  background:
    radial-gradient(circle at 50% 110%, #a7f3d0 0 36%, transparent 36.5%),
    linear-gradient(#bae6fd, #f0f9ff 67%, #dcfce7 68%);
  box-shadow: inset 0 0 0 0.45rem rgb(255 255 255 / 35%), 0 1rem 2.5rem rgb(14 165 233 / 14%);
}

.rainbow-ttt-rainbow {
  position: absolute;
  top: 0.35rem;
  left: 50%;
  font-size: clamp(7.5rem, 31vw, 12rem);
  line-height: 1;
  transform: translateX(-50%);
  filter: drop-shadow(0 0.5rem 0.8rem rgb(14 165 233 / 15%));
}

.rainbow-ttt-unicorn {
  position: absolute;
  z-index: 2;
  bottom: 0.75rem;
  display: grid;
  place-items: center;
  width: clamp(4.5rem, 17vw, 6.5rem);
  aspect-ratio: 1;
  border: 0.35rem solid white;
  border-radius: 50%;
  font-size: clamp(2.9rem, 11vw, 4.4rem);
  filter: drop-shadow(0 0.55rem 0.6rem rgb(76 29 149 / 20%));
}

.rainbow-ttt-unicorn.unicorn-one {
  left: 12%;
  background: conic-gradient(#fecaca, #fde68a, #bbf7d0, #bae6fd, #ddd6fe, #fbcfe8, #fecaca);
  transform: rotate(-8deg);
}

.rainbow-ttt-unicorn.unicorn-two {
  right: 12%;
  background: radial-gradient(circle at 35% 25%, white 0 8%, transparent 9%), #f5d0fe;
  transform: scaleX(-1) rotate(-8deg);
}

.rainbow-ttt-cloud {
  position: absolute;
  z-index: 1;
  color: white;
  font-size: clamp(3.6rem, 12vw, 5.5rem);
  opacity: 0.92;
}

.rainbow-ttt-cloud.cloud-one {
  top: 10%;
  left: -2%;
}

.rainbow-ttt-cloud.cloud-two {
  top: 22%;
  right: -3%;
}

.rainbow-ttt-preview-frog {
  position: absolute;
  z-index: 4;
  right: 46%;
  bottom: 0.15rem;
  font-size: clamp(2.1rem, 8vw, 3rem);
  transform: translateX(50%);
}

.rainbow-ttt-preview-frog i {
  position: absolute;
  right: -1.15rem;
  bottom: 0;
  font-size: 1.15rem;
  font-style: normal;
}

.rainbow-ttt-kicker {
  margin: 1.25rem 0 0.4rem;
  color: #a21caf;
  font-size: 0.72rem;
  font-weight: 950;
  letter-spacing: 0.13em;
}

.rainbow-ttt-intro h2,
.rainbow-ttt-header h2 {
  margin: 0;
  color: #372259;
  font-size: clamp(2.15rem, 8vw, 4.25rem);
  font-weight: 1000;
  letter-spacing: -0.055em;
  line-height: 0.95;
}

.rainbow-ttt-intro h2 em {
  display: block;
  color: transparent;
  font-style: normal;
  background: linear-gradient(90deg, #ef4444, #f59e0b, #16a34a, #0ea5e9, #8b5cf6, #ec4899);
  background-clip: text;
  -webkit-background-clip: text;
}

.rainbow-ttt-intro-copy {
  max-width: 39rem;
  margin: 1rem 0 0;
  color: #665b7c;
  font-size: clamp(0.98rem, 3vw, 1.13rem);
  font-weight: 650;
  line-height: 1.5;
}

.rainbow-ttt-intro-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.45rem 1rem;
  margin-top: 1.35rem;
}

.rainbow-ttt-intro-actions .action-button {
  min-width: min(100%, 15rem);
  background: linear-gradient(100deg, #c026d3, #7c3aed, #2563eb);
  color: white;
  box-shadow: 0 0.3rem 0 #581c87;
}

.rainbow-ttt-intro-actions .intro-back-button {
  width: 100%;
  margin: 0.4rem 0 0;
}

.rainbow-ttt-play {
  padding: clamp(0.9rem, 3vw, 2rem);
}

.rainbow-ttt-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
  margin-bottom: 1rem;
}

.rainbow-ttt-header .rainbow-ttt-kicker {
  margin: 0 0 0.3rem;
}

.rainbow-ttt-header h2 {
  font-size: clamp(1.65rem, 5vw, 2.7rem);
}

.rainbow-ttt-round {
  flex: 0 0 auto;
  padding: 0.55rem 0.75rem;
  border: 1px solid #d8b4fe;
  border-radius: 999px;
  background: rgb(255 255 255 / 78%);
  color: #6b21a8;
  font-size: 0.82rem;
  font-weight: 900;
}

.rainbow-ttt-scoreboard {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
  width: min(100%, 46rem);
  margin: 0 auto;
}

.rainbow-ttt-player {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.6rem;
  align-items: center;
  min-width: 0;
  padding: 0.65rem;
  border: 2px solid transparent;
  border-radius: 1rem;
  background: rgb(255 255 255 / 72%);
  transition: border-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}

.rainbow-ttt-player.julia {
  border-color: #67e8f9;
}

.rainbow-ttt-player.andrea {
  border-color: #f0abfc;
}

.rainbow-ttt-player.is-active {
  transform: translateY(-0.12rem);
  box-shadow: 0 0 0 0.25rem rgb(250 204 21 / 28%), 0 0.55rem 1rem rgb(109 40 217 / 12%);
}

.rainbow-ttt-player-mark {
  display: grid;
  place-items: center;
  width: 2.6rem;
  aspect-ratio: 1;
  border-radius: 0.8rem;
  font-size: 1.75rem;
}

.rainbow-ttt-player.julia .rainbow-ttt-player-mark {
  background: conic-gradient(#fecaca, #fde68a, #bbf7d0, #bae6fd, #ddd6fe, #fbcfe8, #fecaca);
}

.rainbow-ttt-player.andrea .rainbow-ttt-player-mark {
  background: #f5d0fe;
}

.rainbow-ttt-player span span,
.rainbow-ttt-player span > small,
.rainbow-ttt-player span > strong {
  display: block;
}

.rainbow-ttt-player small {
  overflow: hidden;
  color: #78688f;
  font-size: clamp(0.48rem, 1.7vw, 0.64rem);
  font-weight: 900;
  letter-spacing: 0.06em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rainbow-ttt-player strong {
  color: #372259;
  font-size: clamp(0.95rem, 3vw, 1.2rem);
}

.rainbow-ttt-player > b {
  color: #581c87;
  font-size: clamp(1.5rem, 5vw, 2.15rem);
}

.rainbow-ttt-turn {
  min-height: 1.5em;
  margin: 0.9rem auto 0.65rem;
  color: #581c87;
  font-size: clamp(1.05rem, 4vw, 1.4rem);
  font-weight: 950;
  text-align: center;
}

.rainbow-ttt-stage {
  position: relative;
  width: min(100%, 28rem);
  margin: 0 auto;
  padding: clamp(0.55rem, 2vw, 0.8rem);
  border: 1px solid rgb(255 255 255 / 82%);
  border-radius: 1.65rem;
  background:
    radial-gradient(circle at 15% 12%, rgb(250 204 21 / 22%), transparent 25%),
    linear-gradient(145deg, rgb(255 255 255 / 78%), rgb(244 232 255 / 72%));
  box-shadow: 0 1rem 2.4rem rgb(88 28 135 / 12%);
}

.rainbow-ttt-sparkles {
  position: absolute;
  inset: 0.25rem 0 auto;
  color: #d946ef;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  pointer-events: none;
}

.rainbow-ttt-board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: repeat(3, minmax(0, 1fr));
  gap: clamp(0.35rem, 1.7vw, 0.65rem);
  width: 100%;
  aspect-ratio: 1;
  padding: clamp(0.35rem, 1.6vw, 0.7rem);
}

.rainbow-ttt-board button {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  padding: 0;
  border: 2px solid #c4b5fd;
  border-radius: clamp(0.75rem, 3vw, 1.25rem);
  background: rgb(255 255 255 / 90%);
  color: #372259;
  box-shadow: inset 0 -0.3rem 0 rgb(124 58 237 / 8%);
  cursor: pointer;
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}

.rainbow-ttt-board button:not(:disabled):hover {
  border-color: #d946ef;
  background: #fdf4ff;
  transform: none;
}

.rainbow-ttt-board button:focus-visible {
  outline: 4px solid #facc15;
  outline-offset: 2px;
}

.rainbow-ttt-board button.is-julia {
  border-color: #22d3ee;
  background: linear-gradient(145deg, #ecfeff, #fefce8);
}

.rainbow-ttt-board button.is-andrea {
  border-color: #e879f9;
  background: linear-gradient(145deg, #fdf4ff, #f5f3ff);
}

.rainbow-ttt-mark {
  position: absolute;
  inset: 11%;
  display: grid;
  place-items: center;
  width: auto;
  aspect-ratio: 1;
  border: clamp(0.22rem, 0.8vw, 0.4rem) solid white;
  border-radius: 50%;
  font-size: clamp(1.6rem, 8vw, 3.8rem);
  line-height: 1;
  filter: drop-shadow(0 0.35rem 0.35rem rgb(76 29 149 / 14%));
  animation: rainbow-ttt-mark-in 160ms ease-out;
}

.rainbow-ttt-mark.julia {
  background: conic-gradient(#fecaca, #fde68a, #bbf7d0, #bae6fd, #ddd6fe, #fbcfe8, #fecaca);
}

.rainbow-ttt-mark.andrea {
  background:
    radial-gradient(circle at 25% 22%, white 0 5%, transparent 6%),
    radial-gradient(circle at 76% 68%, #fde68a 0 5%, transparent 6%),
    #f5d0fe;
  transform: scaleX(-1);
}

.rainbow-ttt-board button.is-winner {
  border-color: #f59e0b;
  background: #fef3c7;
  box-shadow: 0 0 0 0.28rem rgb(250 204 21 / 30%), 0 0.75rem 1.5rem rgb(245 158 11 / 18%);
  /* Celebrate with color and confetti, without moving the board's cells. */
}

.rainbow-ttt-celebration {
  position: absolute;
  z-index: 5;
  inset: 50% auto auto 50%;
  display: grid;
  grid-template-columns: auto auto;
  align-items: end;
  width: min(86%, 18rem);
  min-height: 8.8rem;
  padding: 1rem;
  border: 0.35rem solid white;
  border-radius: 2rem;
  background: linear-gradient(145deg, #bbf7d0, #fef08a);
  box-shadow: 0 1.5rem 3rem rgb(20 83 45 / 28%);
  transform: translate(-50%, -50%);
}

.rainbow-ttt-celebration[hidden] {
  display: none;
}

.rainbow-ttt-frog {
  grid-row: 1 / 3;
  font-size: clamp(4rem, 19vw, 6.4rem);
  line-height: 1;
  filter: drop-shadow(0 0.55rem 0.4rem rgb(22 101 52 / 22%));
}

.rainbow-ttt-fart {
  align-self: end;
  font-size: clamp(2.6rem, 12vw, 4.2rem);
  line-height: 1;
}

.rainbow-ttt-celebration strong {
  align-self: start;
  color: #166534;
  font-size: clamp(1.15rem, 5vw, 1.75rem);
  font-weight: 1000;
  transform: rotate(-5deg);
}

.rainbow-ttt-celebration.is-active .rainbow-ttt-frog {
  animation: rainbow-ttt-frog-hop 720ms cubic-bezier(0.2, 0.8, 0.2, 1.2) both;
}

.rainbow-ttt-celebration.is-active .rainbow-ttt-fart {
  animation: rainbow-ttt-fart-puff 920ms 220ms ease-out both;
}

.rainbow-ttt-celebration.is-active strong {
  animation: rainbow-ttt-prrrt 520ms 300ms ease-out both;
}

.rainbow-ttt-message {
  min-height: 1.5em;
  margin: 0.8rem 0 0;
  color: #665b7c;
  font-weight: 750;
  text-align: center;
}

.rainbow-ttt-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.65rem;
  margin-top: 0.9rem;
}

.rainbow-ttt-actions .action-button {
  margin: 0;
}

#rainbow-ttt-next-round {
  min-width: 13rem;
  background: linear-gradient(100deg, #c026d3, #7c3aed, #2563eb);
  color: white;
  box-shadow: 0 0.25rem 0 #581c87;
}

@keyframes rainbow-ttt-mark-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes rainbow-ttt-winning-cell {
  from { transform: translateY(0); }
  to { transform: translateY(-0.22rem) rotate(1.5deg); }
}

@keyframes rainbow-ttt-frog-hop {
  0% { opacity: 0; transform: translateY(4rem) rotate(-12deg) scale(0.5); }
  58% { opacity: 1; transform: translateY(-1.1rem) rotate(7deg) scale(1.12); }
  100% { opacity: 1; transform: translateY(0) rotate(0) scale(1); }
}

@keyframes rainbow-ttt-fart-puff {
  0% { opacity: 0; transform: translateX(-2rem) scale(0.25); }
  50% { opacity: 1; }
  100% { opacity: 0.9; transform: translateX(1rem) scale(1.12); }
}

@keyframes rainbow-ttt-prrrt {
  from { opacity: 0; transform: scale(0.2) rotate(-15deg); }
  to { opacity: 1; transform: scale(1) rotate(-5deg); }
}

html[data-theme="dark"] .rainbow-ttt-card {
  --card-soft: #2e1637;
  background:
    radial-gradient(circle at 92% 14%, rgb(250 204 21 / 18%), transparent 28%),
    linear-gradient(145deg, #31172f, #182640);
}

html[data-theme="dark"] .rainbow-ttt-shell {
  border-color: rgb(232 121 249 / 28%);
  background:
    radial-gradient(circle at 8% 5%, rgb(250 204 21 / 12%), transparent 24%),
    radial-gradient(circle at 94% 9%, rgb(56 189 248 / 12%), transparent 28%),
    linear-gradient(150deg, #25152f, #171b35 55%, #102c35);
}

html[data-theme="dark"] .rainbow-ttt-intro h2,
html[data-theme="dark"] .rainbow-ttt-header h2,
html[data-theme="dark"] .rainbow-ttt-player strong {
  color: #f9e8ff;
}

html[data-theme="dark"] .rainbow-ttt-intro-copy,
html[data-theme="dark"] .rainbow-ttt-message,
html[data-theme="dark"] .rainbow-ttt-player small {
  color: #cfc2df;
}

html[data-theme="dark"] .rainbow-ttt-player,
html[data-theme="dark"] .rainbow-ttt-round {
  background: rgb(24 20 44 / 78%);
}

html[data-theme="dark"] .rainbow-ttt-player > b,
html[data-theme="dark"] .rainbow-ttt-turn,
html[data-theme="dark"] .rainbow-ttt-round {
  color: #f0abfc;
}

html[data-theme="dark"] .rainbow-ttt-stage {
  border-color: rgb(232 121 249 / 24%);
  background: linear-gradient(145deg, rgb(36 23 55 / 88%), rgb(30 32 62 / 90%));
}

html[data-theme="dark"] .rainbow-ttt-board button {
  border-color: #6d5b9c;
  background: #24223e;
}

html[data-theme="dark"] .rainbow-ttt-board button.is-julia {
  border-color: #22d3ee;
  background: #123545;
}

html[data-theme="dark"] .rainbow-ttt-board button.is-andrea {
  border-color: #e879f9;
  background: #3b1f47;
}

@media (max-width: 38rem) {
  .rainbow-ttt-intro {
    min-height: 0;
  }

  .rainbow-ttt-header {
    align-items: center;
  }

  .rainbow-ttt-scoreboard {
    gap: 0.4rem;
  }

  .rainbow-ttt-player {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 0.4rem;
    padding: 0.48rem;
  }

  .rainbow-ttt-player-mark {
    width: 2.15rem;
    font-size: 1.4rem;
  }

  .rainbow-ttt-actions .action-button {
    flex: 1 1 12rem;
  }
}

@media (max-width: 23rem) {
  .rainbow-ttt-player small {
    display: none;
  }

  .rainbow-ttt-player-mark {
    width: 1.85rem;
    font-size: 1.2rem;
  }

  .rainbow-ttt-play {
    padding-inline: 0.6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .rainbow-ttt-player,
  .rainbow-ttt-board button,
  .rainbow-ttt-mark,
  .rainbow-ttt-board button.is-winner,
  .rainbow-ttt-celebration.is-active > * {
    animation: none;
    transition: none;
  }
}