/* Coin Flip — premium 3D casino UI */
.coinflip-screen{margin:-14px -14px 0;padding:0 0 calc(var(--bh) + 20px);}
.coinflip-hero{
  position:relative;padding:28px 16px 24px;text-align:center;
  background:radial-gradient(ellipse 120% 80% at 50% 0%,#1a3a5c 0%,#0a1525 55%,#060d18 100%);
  border-bottom:1px solid var(--border2);
  overflow:hidden;
}
.coinflip-hero::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at 50% 45%,#00d4ff08 0%,transparent 55%);
  pointer-events:none;
}
.coinflip-hero-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;position:relative;z-index:2;}
.coinflip-hero-top span{font-size:11px;color:var(--text2);text-transform:uppercase;letter-spacing:.6px;}
.coinflip-wallet{font-size:13px;font-weight:700;color:var(--cyan);}
.coinflip-sound{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--border2);
  background:#ffffff08;color:var(--text);cursor:pointer;font-size:16px;
  transition:background .2s,border-color .2s;
}
.coinflip-sound:hover{border-color:var(--cyan2);background:#00d4ff12;}
.coinflip-sound.off{opacity:.5;}

.coinflip-scene{
  perspective:900px;perspective-origin:50% 40%;
  height:220px;display:flex;align-items:center;justify-content:center;
  position:relative;z-index:1;
}
.coinflip-floor{
  position:absolute;bottom:18px;left:50%;transform:translateX(-50%);
  width:140px;height:24px;background:radial-gradient(ellipse,#00000088 0%,transparent 70%);
  border-radius:50%;transition:transform .3s,opacity .3s;
}
.coinflip-scene.flipping .coinflip-floor{transform:translateX(-50%) scale(1.15,.9);opacity:.6;}

.coinflip-coin-wrap{
  width:160px;height:160px;position:relative;
  transform-style:preserve-3d;
}

.coinflip-coin{
  width:100%;height:100%;position:relative;
  transform-style:preserve-3d;
  transform:rotateY(0deg);
}

.coinflip-face{
  position:absolute;inset:0;border-radius:50%;
  backface-visibility:hidden;-webkit-backface-visibility:hidden;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  box-shadow:inset 0 -8px 20px #00000044,inset 0 8px 20px #ffffff33;
  border:3px solid #c9a227;
}
.coinflip-face::before{
  content:'';position:absolute;inset:8px;border-radius:50%;
  border:2px solid #ffffff22;
  box-shadow:inset 0 0 20px #00000033;
}
.coinflip-face::after{
  content:'';position:absolute;top:12%;left:20%;width:35%;height:20%;
  background:linear-gradient(135deg,#ffffff55,transparent);
  border-radius:50%;filter:blur(2px);
}

.coinflip-face-heads{
  background:radial-gradient(circle at 35% 30%,#ffe566,#d4af37 40%,#9a7b0a 100%);
  transform:rotateY(0deg) translateZ(5px);
}
.coinflip-face-tails{
  background:radial-gradient(circle at 35% 30%,#e8e8e8,#a8a8a8 45%,#5a5a5a 100%);
  transform:rotateY(180deg) translateZ(5px);
  border-color:#888;
}

.coinflip-face-label{
  font-size:11px;font-weight:800;letter-spacing:2px;color:#3d2e00;
  text-transform:uppercase;margin-bottom:4px;position:relative;z-index:1;
}
.coinflip-face-tails .coinflip-face-label{color:#222;}
.coinflip-face-icon{
  font-size:42px;font-weight:800;line-height:1;position:relative;z-index:1;
  text-shadow:0 2px 4px #00000044;
}
.coinflip-face-heads .coinflip-face-icon{color:#5c4a00;}
.coinflip-face-tails .coinflip-face-icon{color:#333;}

.coinflip-rim{
  position:absolute;inset:0;border-radius:50%;
  transform:translateZ(0);
  background:repeating-conic-gradient(from 0deg,#8b6914 0deg 8deg,#ffd700 8deg 16deg);
  opacity:.85;
}

.coinflip-coin-wrap.is-flipping .coinflip-coin{
  animation:coinflipSpin 2.2s cubic-bezier(0.17, 0.67, 0.22, 0.99) forwards;
}
.coinflip-coin-wrap.is-flipping{
  animation:coinflipWobble 2.2s ease-in-out forwards;
}

@keyframes coinflipSpin{
  0%{transform:rotateY(var(--cf-start-rot, 0deg)) rotateX(0deg);}
  12%{transform:rotateY(calc(var(--cf-start-rot, 0deg) + 720deg)) rotateX(35deg);}
  35%{transform:rotateY(calc(var(--cf-start-rot, 0deg) + 1440deg)) rotateX(-22deg);}
  58%{transform:rotateY(calc(var(--cf-start-rot, 0deg) + 2160deg)) rotateX(14deg);}
  78%{transform:rotateY(calc(var(--cf-start-rot, 0deg) + 2520deg)) rotateX(-6deg);}
  100%{transform:rotateY(var(--cf-end-rot, 2880deg)) rotateX(0deg);}
}
@keyframes coinflipWobble{
  0%,100%{transform:translateY(0) scale(1);}
  18%{transform:translateY(-42px) scale(1.02);}
  45%{transform:translateY(-18px) scale(1.01);}
  72%{transform:translateY(-6px) scale(1);}
}

.coinflip-loading{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:10px;
  background:#060d18cc;z-index:10;border-radius:12px;
  opacity:0;pointer-events:none;transition:opacity .25s;
}
.coinflip-scene.flipping .coinflip-loading{opacity:1;pointer-events:auto;}
.coinflip-spinner{
  width:32px;height:32px;border:3px solid var(--border2);
  border-top-color:var(--cyan);border-radius:50%;
  animation:cfSpin .7s linear infinite;
}
@keyframes cfSpin{to{transform:rotate(360deg);}}
.coinflip-loading span{font-size:12px;color:var(--text2);font-weight:600;}

.coinflip-result{
  margin-top:16px;min-height:52px;position:relative;z-index:2;
}
.coinflip-result-banner{
  padding:14px 20px;border-radius:12px;font-weight:800;font-size:15px;
  opacity:0;transform:scale(.9) translateY(8px);
  transition:opacity .4s,transform .4s;
}
.coinflip-result-banner.win.show{
  animation:cfWinPulse .6s ease-out;
}
@keyframes cfWinPulse{
  0%{transform:scale(.85);opacity:0;}
  50%{transform:scale(1.05);}
  100%{transform:scale(1);opacity:1;}
}
.coinflip-result-banner.win{
  background:linear-gradient(135deg,#003818,#005028);
  border:1px solid var(--green);color:var(--green);
  box-shadow:0 0 24px #00e67633;
}
.coinflip-result-banner.lose{
  background:linear-gradient(135deg,#280810,#400818);
  border:1px solid var(--red);color:var(--red);
}
.coinflip-result-banner.show{opacity:1;transform:scale(1) translateY(0);}
.coinflip-result-banner.lose.show{animation:cfLoseIn .4s ease-out;}
@keyframes cfLoseIn{
  from{opacity:0;transform:translateY(10px);}
  to{opacity:1;transform:translateY(0);}
}

.coinflip-controls{padding:16px;}
.coinflip-pick-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px;}
.coinflip-pick{
  padding:16px 12px;border-radius:14px;border:2px solid var(--border2);
  background:linear-gradient(180deg,#152540,#101f34);cursor:pointer;
  text-align:center;transition:all .2s;
}
.coinflip-pick:hover{border-color:#ffffff25;transform:translateY(-2px);}
.coinflip-pick.on{
  border-color:var(--gold);background:linear-gradient(180deg,#2a2040,#1a2840);
  box-shadow:0 0 20px #f5a62322,inset 0 0 0 1px #f5a62344;
}
.coinflip-pick strong{display:block;font-size:14px;color:var(--white);margin-bottom:2px;}
.coinflip-pick small{font-size:10px;color:var(--text2);text-transform:uppercase;letter-spacing:.5px;}

.coinflip-stake-row{margin-bottom:14px;}
.coinflip-stake-row label{display:block;font-size:10px;color:var(--text2);text-transform:uppercase;margin-bottom:6px;letter-spacing:.5px;}
.coinflip-stake-row input{
  width:100%;padding:12px;border-radius:10px;border:1px solid var(--border2);
  background:var(--bg);color:var(--white);font-size:15px;font-weight:600;
}
.coinflip-flip-btn{
  width:100%;padding:16px;border:none;border-radius:14px;
  background:linear-gradient(135deg,#c9a227,#f5a623,#c9a227);
  color:#1a1200;font-size:16px;font-weight:800;letter-spacing:.5px;
  cursor:pointer;transition:transform .15s,box-shadow .15s,opacity .15s;
  box-shadow:0 4px 20px #f5a62344, inset 0 1px 0 #ffffff44;
}
.coinflip-flip-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 8px 28px #f5a62355;}
.coinflip-flip-btn:active:not(:disabled){transform:translateY(0);}
.coinflip-flip-btn:disabled{opacity:.55;cursor:not-allowed;}

.coinflip-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:8px;
  margin:16px;padding:14px;background:var(--card);border:1px solid var(--border);
  border-radius:14px;
}
.coinflip-stat{text-align:center;}
.coinflip-stat-val{font-size:18px;font-weight:800;color:var(--white);}
.coinflip-stat-lbl{font-size:9px;color:var(--text2);text-transform:uppercase;margin-top:2px;letter-spacing:.4px;}

.coinflip-history-wrap{margin:0 16px 16px;}
.coinflip-history-head{
  display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;
}
.coinflip-history-head h4{margin:0;font-size:12px;color:var(--text2);text-transform:uppercase;letter-spacing:.5px;}
.coinflip-reset{
  font-size:10px;padding:6px 10px;border-radius:8px;border:1px solid var(--border2);
  background:transparent;color:var(--text2);cursor:pointer;transition:all .15s;
}
.coinflip-reset:hover{border-color:var(--red);color:var(--red);}
.coinflip-history{
  display:flex;gap:6px;flex-wrap:wrap;min-height:36px;
}
.coinflip-hist-pill{
  width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:10px;font-weight:800;border:2px solid transparent;
  animation:histPop .35s cubic-bezier(.34,1.56,.64,1);
}
@keyframes histPop{from{transform:scale(0);opacity:0}to{transform:scale(1);opacity:1}}
.coinflip-hist-pill.h{background:linear-gradient(135deg,#ffd700,#b8860b);color:#3d2e00;border-color:#c9a227;}
.coinflip-hist-pill.t{background:linear-gradient(135deg,#ddd,#888);color:#222;border-color:#666;}
.coinflip-hist-pill.win-ring{box-shadow:0 0 0 2px var(--green);}
.coinflip-hist-empty{font-size:11px;color:var(--text2);padding:8px 0;}

.coinflip-help{
  margin:0 16px;background:var(--card);border:1px solid var(--border);
  border-radius:14px;overflow:hidden;
}
.coinflip-help summary{
  padding:14px 16px;cursor:pointer;font-size:13px;font-weight:700;color:var(--white);
  list-style:none;display:flex;justify-content:space-between;align-items:center;
}
.coinflip-help summary::-webkit-details-marker{display:none;}
.coinflip-help summary::after{content:'+';color:var(--cyan);font-size:18px;}
.coinflip-help[open] summary::after{content:'−';}
.coinflip-help-body{padding:0 16px 16px;font-size:12px;color:var(--text2);line-height:1.7;}
.coinflip-help-body ol{margin:0;padding-left:18px;}
.coinflip-help-body li{margin-bottom:6px;}

@media(min-width:480px){
  .coinflip-coin-wrap{width:180px;height:180px;}
  .coinflip-scene{height:240px;}
}