.wave-screen{
  --choice-w:clamp(76px, 21vw, 126px);
  position:fixed;
  inset:0;
  overflow:hidden;
  isolation:isolate;
  color:#fff8c6;
  background:#006ac5;
  font-family:Arial, Helvetica, sans-serif;
}

.wave-screen-bg{
  position:absolute;
  inset:-1.5%;
  z-index:0;
  background-image:url("../../assets/img/wave/wave-bg.webp");
  background-position:center center;
  background-repeat:no-repeat;
  background-size:cover;
  transform:scale(1.02);
}

.wave-screen-shade{
  position:absolute;
  inset:0;
  z-index:1;
  pointer-events:none;
  background:
    linear-gradient(180deg, rgba(0,18,55,0.38), transparent 30%, rgba(0,30,67,0.12) 66%, rgba(0,18,45,0.45)),
    radial-gradient(circle at 50% 48%, transparent 42%, rgba(0,18,52,0.2) 100%);
}

.wave-hud{
  position:absolute;
  left:0;
  right:0;
  top:0;
  z-index:5;
  height:calc(76px + env(safe-area-inset-top));
  display:flex;
  align-items:center;
  justify-content:center;
  gap:12px;
  padding:env(safe-area-inset-top) 16px 0;
  pointer-events:none;
}

.wave-back-btn{
  position:absolute;
  left:calc(14px + env(safe-area-inset-left));
  top:calc(12px + env(safe-area-inset-top));
  width:clamp(48px, 8vw, 64px);
  height:clamp(48px, 8vw, 64px);
  display:flex;
  align-items:center;
  justify-content:center;
  padding:0 0 5px;
  border:3px solid #ffd85d;
  border-radius:50%;
  color:#fff6b2;
  background:radial-gradient(circle at 36% 27%, #ef6338, #a61918 62%, #5f080c);
  box-shadow:0 5px 0 #541008, 0 9px 17px rgba(0,29,65,0.38), inset 0 2px 0 rgba(255,255,255,0.35);
  font:900 clamp(36px, 6vw, 50px)/1 Arial, sans-serif;
  cursor:pointer;
  pointer-events:auto;
}

.wave-back-btn:active{
  transform:translateY(3px);
  box-shadow:0 2px 0 #541008, 0 5px 11px rgba(0,29,65,0.34);
}

.wave-score{
  min-width:78px;
  padding:5px 12px 6px;
  border:2px solid rgba(255,220,93,0.9);
  border-radius:14px;
  text-align:center;
  background:linear-gradient(180deg, rgba(80,35,14,0.92), rgba(35,18,10,0.92));
  box-shadow:0 4px 0 rgba(42,15,5,0.78), 0 8px 14px rgba(0,20,50,0.28);
}

.wave-score span{
  display:block;
  font-size:9px;
  font-weight:900;
  letter-spacing:.7px;
}

.wave-score strong{
  display:block;
  margin-top:1px;
  font-size:22px;
  line-height:1;
}

.wave-score-win strong{ color:#8dff96; }
.wave-score-loss strong{ color:#ff8a7b; }

.wave-wallet{
  position:absolute;
  right:calc(14px + env(safe-area-inset-right));
  top:calc(14px + env(safe-area-inset-top));
  display:flex;
  align-items:center;
  gap:5px;
  min-width:66px;
  padding:6px 9px;
  border:2px solid #ffd85d;
  border-radius:999px;
  background:rgba(60,30,12,0.9);
  box-shadow:0 4px 0 rgba(42,15,5,0.78), 0 8px 14px rgba(0,20,50,0.28);
}

.wave-wallet img{
  width:25px;
  height:25px;
  object-fit:contain;
}

.wave-wallet strong{
  color:#fff2a0;
  font-size:16px;
}

.wave-game{
  position:absolute;
  inset:calc(78px + env(safe-area-inset-top)) 0 calc(12px + env(safe-area-inset-bottom));
  z-index:3;
  display:grid;
  grid-template-rows:minmax(0, 1fr) auto minmax(0, 1fr);
  place-items:center;
  gap:8px;
  padding:6px 14px;
}

.wave-reference-area{
  align-self:center;
  display:flex;
  flex-direction:column;
  align-items:center;
  min-height:0;
}

.wave-label{
  margin:0 0 5px;
  padding:4px 11px;
  border-radius:999px;
  color:#fff3a1;
  background:rgba(4,28,57,0.76);
  border:1px solid rgba(255,233,142,0.42);
  font-size:clamp(9px, 2.2vw, 13px);
  font-weight:900;
  letter-spacing:1px;
  text-shadow:0 2px 2px #031c38;
}

.wave-reference-card{
  width:clamp(88px, 25vw, 138px);
  aspect-ratio:5 / 8;
  border-radius:7%;
  overflow:hidden;
  background:#f5f0d9;
  border:3px solid #ffd85d;
  box-shadow:0 7px 0 rgba(55,20,5,0.72), 0 12px 22px rgba(0,27,67,0.48), 0 0 18px rgba(255,229,106,0.36);
}

.wave-reference-card img,
.wave-card-face img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
}

.wave-message-area{
  min-height:61px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:7px;
}

.wave-bet-row{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:5px;
  max-width:94vw;
  padding:4px 7px;
  border-radius:999px;
  color:#fff4ab;
  background:rgba(3,29,59,0.82);
  border:1px solid rgba(255,224,105,0.48);
  font-size:9px;
  font-weight:900;
}

.wave-bet-btn{
  min-width:34px;
  padding:5px 7px;
  border:1px solid #f4ca50;
  border-radius:999px;
  color:#fff3a2;
  background:linear-gradient(180deg, #7b441e, #3d2112);
  font-size:11px;
  font-weight:900;
  cursor:pointer;
}

.wave-bet-btn.is-active{
  color:#fff;
  background:linear-gradient(180deg, #ef6930, #aa1717);
  box-shadow:0 0 9px rgba(255,202,63,0.72);
}

.wave-bet-btn:disabled{
  opacity:.38;
  cursor:default;
}

.wave-prize{
  color:#8dff96;
  white-space:nowrap;
}

.wave-chest-count{
  color:#ffe479;
  white-space:nowrap;
}

.wave-chest-count b{ color:#fff; }

.wave-message{
  display:block;
  max-width:90vw;
  padding:7px 15px;
  border:2px solid rgba(255,220,93,0.92);
  border-radius:999px;
  color:#fff5a6;
  background:rgba(5,31,61,0.86);
  box-shadow:0 4px 0 rgba(0,16,39,0.72), 0 7px 15px rgba(0,19,49,0.34);
  font-size:clamp(12px, 3.2vw, 19px);
  font-weight:900;
  text-align:center;
  text-shadow:0 2px 2px rgba(0,0,0,0.72);
}

.wave-message.is-win{ color:#abffac; border-color:#7cff91; }
.wave-message.is-loss{ color:#ffaca0; border-color:#ff7567; }
.wave-message.is-tie{ color:#fff29a; border-color:#ffe16c; }

.wave-next-btn{
  min-width:128px;
  padding:8px 18px;
  border:2px solid #ffe472;
  border-radius:999px;
  color:#fff6ad;
  background:linear-gradient(180deg, #e15b2e, #9e1618);
  box-shadow:0 4px 0 #5b0b0d, 0 7px 13px rgba(0,20,50,0.3);
  font-size:13px;
  font-weight:900;
  cursor:pointer;
}

.wave-next-btn.is-hidden{ display:none; }

.wave-options{
  align-self:center;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:clamp(7px, 2.5vw, 18px);
  width:100%;
  min-height:0;
  perspective:1000px;
}

.wave-card-choice{
  width:var(--choice-w);
  aspect-ratio:5 / 8;
  position:relative;
  padding:0;
  border:0;
  border-radius:7%;
  background:none;
  cursor:pointer;
  perspective:900px;
  transition:transform 160ms ease, filter 160ms ease;
}

.wave-card-choice:not(:disabled):active{ transform:translateY(3px) scale(.97); }
.wave-card-choice:not(:disabled){ animation:waveCardFloat 2.2s ease-in-out infinite alternate; }
.wave-card-choice:nth-child(2){ animation-delay:-.7s; }
.wave-card-choice:nth-child(3){ animation-delay:-1.4s; }

.wave-card-flipper{
  position:absolute;
  inset:0;
  border-radius:7%;
  transform-style:preserve-3d;
  transition:transform 520ms cubic-bezier(.2, .72, .22, 1);
}

.wave-card-choice.is-revealed .wave-card-flipper{ transform:rotateY(180deg); }

.wave-card-face{
  position:absolute;
  inset:0;
  overflow:hidden;
  border-radius:7%;
  border:3px solid #ffd85d;
  backface-visibility:hidden;
  background:#f5f0d9;
  box-shadow:0 6px 0 rgba(55,20,5,0.76), 0 11px 19px rgba(0,27,67,0.5);
}

.wave-card-front{ transform:rotateY(180deg); }
.wave-card-choice.is-win{ filter:drop-shadow(0 0 14px #54ff77); }
.wave-card-choice.is-loss{ filter:drop-shadow(0 0 14px #ff4f43); }
.wave-card-choice.is-tie{ filter:drop-shadow(0 0 14px #ffe15e); }

.wave-chest-overlay{
  position:absolute;
  inset:0;
  z-index:30;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:20px;
  background:radial-gradient(circle, rgba(16,70,105,0.38), rgba(0,13,32,0.86));
  backdrop-filter:blur(5px);
}

.wave-chest-overlay.is-hidden{ display:none; }

.wave-chest-box{
  position:relative;
  width:min(410px, 92vw);
  padding:18px 18px 22px;
  overflow:hidden;
  border:3px solid #ffe477;
  border-radius:26px;
  text-align:center;
  background:radial-gradient(circle at 50% 40%, rgba(255,189,44,0.38), rgba(83,31,11,0.96) 68%);
  box-shadow:0 0 34px rgba(255,213,75,0.78), 0 18px 44px rgba(0,0,0,0.55), inset 0 0 24px rgba(255,194,52,0.22);
  animation:waveChestArrive 420ms cubic-bezier(.2, .9, .28, 1.2) both;
}

.wave-chest-box h2{
  position:relative;
  z-index:2;
  margin:0 0 2px;
  color:#fff2a1;
  font-size:clamp(21px, 6vw, 34px);
  text-shadow:0 3px 0 #7a2608, 0 0 14px #ffb620;
}

.wave-chest-box img{
  position:relative;
  z-index:2;
  display:block;
  width:min(290px, 75vw);
  margin:-8px auto -14px;
  filter:drop-shadow(0 0 20px rgba(255,224,86,0.94));
  animation:waveChestGlow 1.15s ease-in-out infinite alternate;
}

.wave-chest-rays{
  position:absolute;
  left:50%;
  top:46%;
  width:420px;
  height:420px;
  transform:translate(-50%, -50%);
  background:repeating-conic-gradient(from 0deg, rgba(255,232,119,0.22) 0 8deg, transparent 8deg 18deg);
  animation:waveChestSpin 12s linear infinite;
}

.wave-chest-amount{
  position:relative;
  z-index:2;
  display:block;
  margin:0 auto 12px;
  color:#fff7a7;
  font-size:clamp(22px, 6vw, 36px);
  text-shadow:0 3px 0 #78320b, 0 0 12px #ffc83d;
}

.wave-chest-claim{
  position:relative;
  z-index:2;
  min-width:150px;
  padding:10px 24px;
  border:2px solid #fff092;
  border-radius:999px;
  color:#fff7b4;
  background:linear-gradient(180deg, #ef6d31, #a71517);
  box-shadow:0 5px 0 #63090b, 0 0 16px rgba(255,197,54,0.5);
  font-size:15px;
  font-weight:900;
  cursor:pointer;
}

@keyframes waveChestArrive{
  from{ opacity:0; transform:scale(.72); }
  to{ opacity:1; transform:scale(1); }
}

@keyframes waveChestGlow{
  from{ transform:scale(.98); filter:drop-shadow(0 0 14px rgba(255,220,75,.76)); }
  to{ transform:scale(1.03); filter:drop-shadow(0 0 29px rgba(255,232,104,1)); }
}

@keyframes waveChestSpin{
  to{ transform:translate(-50%, -50%) rotate(360deg); }
}

@keyframes waveCardFloat{
  from{ transform:translateY(0); }
  to{ transform:translateY(-5px); }
}

@media (orientation:landscape){
  .wave-game{
    inset:calc(70px + env(safe-area-inset-top)) 7vw calc(10px + env(safe-area-inset-bottom));
    grid-template-columns:minmax(0, 1fr) auto minmax(0, 1.4fr);
    grid-template-rows:1fr;
    gap:24px;
  }

  .wave-message-area{ min-width:190px; }
  .wave-options{ align-self:center; }
}

@media (orientation:portrait) and (max-height:700px){
  .wave-screen{ --choice-w:clamp(68px, 19vw, 86px); }
  .wave-game{ gap:3px; padding-top:0; }
  .wave-reference-card{ width:clamp(75px, 21vw, 98px); }
  .wave-message-area{ min-height:52px; gap:4px; }
  .wave-message{ padding:5px 11px; }
  .wave-next-btn{ padding:6px 15px; }
}

@media (prefers-reduced-motion:reduce){
  .wave-card-choice:not(:disabled){ animation:none; }
}