*{box-sizing:border-box}body{margin:0;background:#101827;color:#f3f6fc;font-family:Inter,system-ui,sans-serif}.flippy{max-width:1080px;margin:auto;padding:26px}header{display:flex;justify-content:space-between;align-items:center;gap:20px}header small{font-size:10px;color:#ffd36a;font-weight:800;letter-spacing:1.8px}h1{font-size:40px;margin:8px 0 24px;letter-spacing:-2px}h1 span{color:#ffd36a}.odds{color:#a9b8cc;font-size:13px;border:1px solid #2a394e;border-radius:30px;padding:9px 14px}.play-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px}.arena{position:relative;min-height:410px;border:1px solid #2a394e;border-radius:20px;background:radial-gradient(ellipse at 50% 40%,#ffd36a14,transparent 65%),#172234;display:flex;align-items:center;justify-content:flex-end;flex-direction:column;padding:24px;perspective:900px;overflow:hidden}.coin-lift{position:absolute;top:120px;width:150px;height:150px;transform-style:preserve-3d}.coin{position:relative;width:150px;height:150px;transform-style:preserve-3d}.face{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;border-radius:50%;backface-visibility:hidden;border:7px solid #e6a425;background:radial-gradient(circle at 30% 20%,#fff5ba,#ffd45c 55%,#de9220);box-shadow:inset 0 0 0 4px #fff0a0,inset 0 0 0 7px #ce8e27;transform:translateZ(5px);color:#8a500c}.tails{transform:rotateY(180deg) translateZ(5px);background:radial-gradient(circle at 30% 20%,#ffeeba,#eeb440 55%,#cc801a)}.face span{font-size:68px;font-weight:900;line-height:1}.face b{font-size:11px;letter-spacing:2px;margin-top:8px}.shadow{position:absolute;top:292px;width:120px;height:20px;background:#0006;filter:blur(9px);border-radius:50%;transform:scaleX(1.2)}#result{font-size:18px;font-weight:700;text-align:center;margin:20px 0 14px;line-height:1.5}#history{display:flex;gap:7px;min-height:26px;flex-wrap:wrap;justify-content:center}#history span{font-size:11px;border:1px solid #3b4b62;padding:5px 8px;border-radius:6px;color:#ffd36a}.controls{background:#172234;border:1px solid #2a394e;padding:22px;border-radius:18px;min-width:0}label,legend{font-size:13px;font-weight:600;color:#b8c6da;display:block;margin-bottom:10px}input,select{width:100%;min-height:44px;background:#101827;color:#f3f6fc;border:1px solid #35465e;border-radius:9px;padding:10px;font-size:15px}fieldset{border:0;padding:0;margin:22px 0}.sides{display:grid;grid-template-columns:1fr 1fr;gap:10px}button{cursor:pointer;min-height:44px;font:inherit;border-radius:9px;padding:12px;border:1px solid #3b4b62;background:#213047;color:#f3f6fc}.sides button{font-size:22px}.sides span{display:block;font-size:14px;margin-top:5px}.sides .selected{border-color:#ffd36a;background:#ffd36a15;color:#ffd36a}#flip{width:100%;background:linear-gradient(130deg,#ffe49a,#f7b335);color:#2d200b;font-weight:800;border-color:#ffe49a;margin-top:10px}button:disabled{opacity:.55;cursor:wait}p{font-size:13px;line-height:1.7;color:#a9b8cc}a{color:#ffd36a;font-size:13px}details{margin-top:20px;padding-top:18px;border-top:1px solid #2a394e}summary{font-size:13px;cursor:pointer;line-height:1.6}pre{white-space:pre-wrap;overflow-wrap:anywhere;font-size:11px;line-height:1.6;color:#c8d4e5}#verify{font-size:12px}:focus-visible{outline:2px solid #ffd36a;outline-offset:3px}[hidden]{display:none!important}.win{color:#ffd36a!important}@media(max-width:650px){.flippy{padding:16px}.play-layout{grid-template-columns:1fr;gap:16px}.arena{min-height:330px}.coin-lift{top:65px}.shadow{top:230px}h1{font-size:34px}.odds{font-size:11px;padding:8px}.controls{padding:20px}}
.rim{position:absolute;inset:0;border-radius:50%;background:#c8922e;border:2px solid #f4c653}
.autoplay{border-top:1px solid #2a394e;margin-top:20px;padding-top:18px}.autoplay button{width:100%;margin-top:10px;font-size:14px}.autoplay p{font-size:12px;margin:8px 0 0}