/* ==========================================================================
   Game v1 helpers
   Shared utilities, motion helpers, and reusable UI shell classes.
   ========================================================================== */

.hidden,
.step-hidden {
  display: none !important;
}

.pc-only {
  display: none !important;
}

.mb-only {
  display: initial;
}

.cluster {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.cluster.center {
  justify-content: center;
}

.icon-button {
  width: 40px;
  aspect-ratio: 1;

  display: flex;
  align-items: center;
  justify-content: center;

  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--ink);

  font-size: 24px;
  line-height: 1;
  padding: 0;

  -webkit-appearance: none;
  appearance: none;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(22, 33, 31, 0.42);
}

.modal-panel {
  width: min(100%, 360px);
  padding: 18px;
  display: grid;
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
}

.close-button {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: white;
  color: var(--ink);
  font-size: 22px;
  line-height: 1;
  z-index: 2;
}

.spinner {
  width: 22px;
  height: 22px;
  border: 3px solid rgba(22, 33, 31, 0.15);
  border-top-color: var(--blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.step1-loading,
.step2-loading {
  position: absolute;
  inset: 0;
  background: url("img/loading-bg.png") no-repeat bottom center / cover;
  display: none;
  place-items: center;
  align-content: center;
  justify-content: center;
  z-index: 99;
  padding: 34px 24px;
  text-align: center;
}

.step1-loading.is-visible,
.step2-loading.is-visible {
  display: grid;
}

.step1-loading__inner,
.step2-loading__inner {
  display: grid;
  justify-items: center;
  gap: 18px;
}

.step1-loading__image,
.step2-loading__image {
  width: clamp(120px, 35vw, 160px);
  height: auto;
  animation: spin 3s linear infinite;
  -webkit-animation: spin 3s linear infinite;
}

.step1-loading__text,
.step2-loading__text {
  max-width: 270px;
  margin: 0;
  color: #d93f2f;
  font-size: clamp(16px, 4.5vw, 20px);
  font-weight: 900;
  line-height: 1.3;
  text-align: center;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 18px;
  z-index: 40;
  transform: translateX(-50%);
  max-width: calc(100% - 36px);
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--ink);
  color: white;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.toast.is-visible {
  opacity: 1;
}

.decoration,
.bubble,
.buble,
.flare {
  position: absolute;
  pointer-events: none;
  user-select: none;
}

.bubble,
.buble {
  border-radius: 999px;
  animation: float-bubble 4s ease-in-out infinite;
}

.flare {
  opacity: 0;
  animation:
    helper-flare-fade-in 0.45s ease-out forwards,
    flare-pulse 3.8s ease-in-out 0.45s infinite;
}

.animate-pulse {
  animation: helper-pulse 1.8s ease-in-out infinite;
}

.animate-fade-in {
  animation: fade-in 0.28s ease-out both;
}

.animate-pop-in {
  animation: helper-pop-in 0.28s ease-out both;
}

.animate-float-bubble {
  animation: float-bubble 4s ease-in-out infinite;
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  will-change: opacity, transform;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.hero-bubble {
  animation: hero-bubble 4.5s ease-in-out infinite;
}

.hero-bubble-wriggle {
  animation: wriggle 3.4s ease-in-out infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@-webkit-keyframes spin {
  0% {
    -webkit-transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
  }
}

@keyframes helper-pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.62;
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes helper-pop-in {
  from {
    opacity: 0;
    transform: scale(0.92);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes float-bubble {

  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }

  50% {
    transform: translate3d(0, -10px, 0) scale(1.03);
  }
}

@keyframes hero-bubble {

  0%,
  100% {
    transform: translate3d(0, 0, 0) rotate(-2deg) scale(1);
  }

  50% {
    transform: translate3d(0, -12px, 0) rotate(2deg) scale(1.04);
  }
}

@keyframes wriggle {

  0%,
  100% {
    transform: translate3d(0, 0, 0) rotate(-4deg) skewX(-2deg) scale(1);
  }

  25% {
    transform: translate3d(2px, -6px, 0) rotate(3deg) skewX(2deg) scale(0.98);
  }

  50% {
    transform: translate3d(-1px, -10px, 0) rotate(-5deg) skewX(-1deg) scale(1.04);
  }

  75% {
    transform: translate3d(2px, -4px, 0) rotate(4deg) skewX(1deg) scale(1);
  }
}

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

  to {
    opacity: 0.68;
  }
}

@keyframes flare-pulse {

  0%,
  100% {
    opacity: 0.55;
    transform: scale(1) rotate(0deg);
  }

  50% {
    opacity: 0.95;
    transform: scale(1.08) rotate(18deg);
  }
}

@keyframes wiggle-1 {

  0%,
  100% {
    transform: rotate(-3deg) scale(1) skew(-4deg)
  }

  25% {
    transform: rotate(2deg) scale(.95) skew(3deg)
  }

  50% {
    transform: rotate(-4deg) scale(1.02) skew(-3deg)
  }

  75% {
    transform: rotate(3deg) scale(.98) skew(4deg)
  }
}

@keyframes wiggle-2 {

  0%,
  100% {
    transform: rotate(-1deg) scale(1) skew(-1deg)
  }

  25% {
    transform: rotate(1deg) scale(1.02) skew(1deg)
  }

  75% {
    transform: rotate(1.5deg) scale(.98) skew(-.5deg)
  }
}

@keyframes wiggle-3 {

  0%,
  100% {
    transform: rotate(-2deg) scale(1) skew(-3deg)
  }

  25% {
    transform: rotate(2deg) scale(1.05) skew(3deg)
  }

  75% {
    transform: rotate(3deg) scale(.95) skew(-2deg)
  }
}

@keyframes squash-1 {

  0%,
  100% {
    transform: scale(1, 1)
  }

  50% {
    transform: scale(1.1, .9) translateY(5px)
  }
}

@keyframes squash-2 {

  0%,
  100% {
    transform: scale(1, 1)
  }

  25% {
    transform: scale(.95, 1.05)
  }

  75% {
    transform: scale(1.05, .95)
  }
}

@keyframes squash-3 {

  0%,
  100% {
    transform: scale(1, 1) rotate(0)
  }

  50% {
    transform: scale(1.1) rotate(5deg)
  }
}

@keyframes slide-down-out {
  from {
    transform: translateY(0);
    opacity: 1
  }

  to {
    transform: translateY(50%);
    opacity: 0
  }
}

@keyframes scale-down-out {
  from {
    transform: scale(1);
    opacity: 1
  }

  to {
    transform: scale(0);
    opacity: 0
  }
}

@keyframes confetti-fall {
  0% {
    opacity: 1;
    transform: translateY(-20%)
  }

  100% {
    opacity: 0;
    transform: translateY(120%)
  }
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1
  }

  50% {
    opacity: .7
  }
}

@keyframes pop-in {
  from {
    opacity: 0;
    transform: scale(0)
  }

  to {
    opacity: 1;
    transform: scale(1)
  }
}

@keyframes squash-stretch {

  0%,
  100% {
    transform: scale(1, 1)
  }

  50% {
    transform: scale(.8, 1.2)
  }
}

@keyframes zoom-in-pop {
  0% {
    opacity: 0;
    transform: scale(.5)
  }

  60% {
    opacity: 1;
    transform: scale(1.05)
  }

  100% {
    transform: scale(1)
  }
}

@keyframes fade-in-message {
  from {
    opacity: 0;
    transform: translateY(10px)
  }

  to {
    opacity: 1;
    transform: translateY(0)
  }
}

@keyframes gentle-bob {

  0%,
  100% {
    transform: translateY(0);
    opacity: 1
  }

  50% {
    transform: translateY(-5px);
    opacity: .8
  }
}

@keyframes cup-pop-squash {
  0% {
    opacity: 0;
    transform: scale(.5, .5)
  }

  50% {
    opacity: 1;
    transform: scale(1.1, .9)
  }

  80% {
    transform: scale(.95, 1.05)
  }

  100% {
    opacity: 1;
    transform: scale(1, 1)
  }
}

@keyframes pulse-effect {

  0%,
  100% {
    transform: scale(1)
  }

  50% {
    transform: scale(1.05)
  }
}

@keyframes rotate-light-rays {
  from {
    transform: translate(-50%, -50%) rotate(0)
  }

  to {
    transform: translate(-50%, -50%) rotate(360deg)
  }
}

@keyframes wipe-down {
  from {
    clip-path: inset(0 0 100% 0);
    opacity: 0
  }

  to {
    clip-path: inset(0 0 0 0);
    opacity: 1
  }
}

@keyframes flare-animation {

  0%,
  100% {
    opacity: .6;
    transform: scale(1) rotate(0) scaleX(1)
  }

  25% {
    opacity: .8;
    transform: scale(1.05) rotate(35deg) scaleX(1.05)
  }

  50% {
    opacity: 1;
    transform: scale(1.1) rotate(-30deg) scaleX(1.2)
  }

  75% {
    opacity: .8;
    transform: scale(1.05) rotate(30deg) scaleX(1)
  }
}

@keyframes arrow-swing {
  0% {
    opacity: .5;
    transform: translateX(-50%) rotate(-80deg)
  }

  60% {
    opacity: 1;
    transform: translateX(-50%) rotate(40deg)
  }

  100% {
    opacity: 1
  }
}

@keyframes arrow-swing-out {
  from {
    opacity: 1
  }

  to {
    opacity: 0;
    transform: translateX(-50%) rotate(-80deg)
  }
}

@keyframes flare-fade-in {
  from {
    opacity: 0
  }

  to {
    opacity: .6
  }
}


@keyframes mct-left-bubble {

  0%,
  100% {
    transform: translate3d(0, 0, 0) rotate(-40deg) scale(1);
  }

  50% {
    transform: translate3d(0, 10px, 0) rotate(-30deg) scale(1.0);
  }
}

@media (min-width: 760px) {
  .mb-only {
    display: none !important;
  }

  .pc-only {
    display: initial !important;
  }
}