:root{color-scheme:dark;--bg:var(--wg-s1);--panel:var(--wg-s3);--line:var(--wg-accent);--text:var(--wg-text-tint);--muted:var(--wg-text-tint);--blue:var(--wg-accent-hi);--gold:#f4ce73;font:16px/1.45 Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:radial-gradient(circle at 72% 6%,var(--wg-s5) 0,transparent 38%),var(--bg);color:var(--text)}body{overflow-x:hidden}button{font:inherit;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}a{color:inherit;text-decoration:none}.shell{max-width:1320px;margin:auto;padding:18px clamp(14px,3vw,34px) 32px}header{display:flex;justify-content:space-between;align-items:center;gap:12px}header nav{display:flex;gap:8px;flex-wrap:wrap}header nav a,.practice{border:1px solid var(--wg-accent);background:var(--wg-s3);border-radius:12px;padding:10px 13px;color:var(--wg-text-tint);font-size:13px;font-weight:750}.brand{font-weight:950;white-space:nowrap;letter-spacing:-.04em}.brand b{color:var(--wg-text-tint)}.intro{margin:40px 0 24px;max-width:760px}.eyebrow{color:var(--gold);font-size:12px;font-weight:900;letter-spacing:.2em}.intro h1{font-size:clamp(46px,7vw,86px);letter-spacing:-.075em;line-height:.95;margin:12px 0}.intro h1 em{font-style:normal;color:var(--wg-text-tint)}.intro p{max-width:680px;color:var(--muted);margin:0}.game{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(320px,.8fr);gap:16px}.stage,.panel,.details>div{border:1px solid var(--line);border-radius:25px;box-shadow:0 25px 55px #0007;background:linear-gradient(145deg,var(--wg-s4),var(--wg-s2))}.stage{min-height:505px;position:relative;overflow:hidden;display:grid;place-items:center;background:radial-gradient(circle at 50% 45%,var(--wg-s5),var(--wg-s3) 54%,var(--wg-s2) 100%)}.rings{position:absolute;width:min(72%,470px);aspect-ratio:1;border-radius:50%;border:1px solid color-mix(in srgb,var(--wg-accent-hi) 33.3%,transparent);box-shadow:0 0 0 36px color-mix(in srgb,var(--wg-accent) 4.3%,transparent),0 0 0 78px color-mix(in srgb,var(--wg-accent) 3.9%,transparent),0 0 90px color-mix(in srgb,var(--wg-accent-hi) 9.4%,transparent)}.coin{position:relative;width:210px;aspect-ratio:1;border-radius:50%;display:grid;place-items:center;border:12px solid #efbd52;outline:2px solid #ffe8a2;background:radial-gradient(circle at 30% 25%,#fff0af,#e9ba58 54%,#986121);box-shadow:inset 0 0 0 6px #fff4b388,0 22px 55px #0008,0 0 55px #e7bd6944;transform-style:preserve-3d}.coin span{font-size:96px;color:#77501b;font-weight:950;text-shadow:0 2px #ffefa6}.coin.flipping{animation:flip .8s cubic-bezier(.22,.7,.25,1)}.stage-caption{position:absolute;bottom:32px;display:grid;gap:4px;text-align:center}.stage-caption span{color:var(--gold);letter-spacing:.16em;font-size:12px;font-weight:900}.stage-caption strong{font-size:23px}.panel{padding:24px}.mode{display:flex;align-items:center;gap:8px;padding:10px 12px;border:1px solid var(--wg-accent);border-radius:13px;background:var(--wg-s3);color:var(--wg-text-tint);font-size:12px;font-weight:850}.mode-dot{width:8px;height:8px;flex:none;background:var(--wg-accent);border-radius:50%;box-shadow:0 0 12px var(--wg-accent-hi)}.mode strong{margin-left:auto;color:#fff;font-size:13px;text-align:right}.panel h2{font-size:27px;margin:22px 0 13px;letter-spacing:-.04em}.panel h3{font-size:14px;margin:20px 0 10px;color:var(--wg-text-tint)}.side-choice,.stakes{display:grid;gap:8px}.side-choice{grid-template-columns:repeat(2,minmax(0,1fr))}.stakes{grid-template-columns:repeat(3,minmax(0,1fr))}.side-choice button,.stakes button{min-width:0;min-height:54px;border:1px solid var(--wg-accent);border-radius:12px;background:var(--wg-s4);color:var(--wg-text-tint);font-weight:850}.side-choice button.selected,.stakes button.selected{background:linear-gradient(140deg,var(--wg-accent),var(--wg-accent));color:#fff;border-color:var(--wg-accent-pale);box-shadow:0 0 0 2px color-mix(in srgb,var(--wg-accent-hi) 33.3%,transparent)}.side-choice button:focus-visible,.stakes button:focus-visible,.play:focus-visible,.practice:focus-visible{outline:3px solid #fff;outline-offset:3px}.payout{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:20px 0;padding:15px;border:1px solid var(--wg-accent);border-radius:13px;background:var(--wg-s2);color:var(--muted);font-size:13px}.payout strong{font-size:25px;color:var(--gold)}.play{width:100%;min-height:56px;border:1px solid var(--wg-accent-pale);border-radius:13px;background:linear-gradient(135deg,var(--wg-accent),var(--wg-accent));color:#fff;font-weight:950}.message{min-height:48px;margin:13px 0 14px;color:var(--wg-text-tint);font-size:13px}.message.error{color:#ffb2ae}.practice{display:block;text-align:center}.fine{color:var(--wg-text-tint);font-size:12px;line-height:1.5;margin:13px 0 0}.details{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;margin-top:16px}.details>div{padding:20px 22px}.details b{color:#f3ce76}.details p{color:var(--muted);font-size:13px;margin:6px 0 0}footer{display:flex;gap:18px;flex-wrap:wrap;padding:24px 4px;color:var(--wg-text-tint);font-size:12px}footer a{text-decoration:underline;text-underline-offset:3px}@keyframes flip{0%{transform:translateY(0) rotateY(0)}50%{transform:translateY(-60px) rotateY(720deg)}100%{transform:translateY(0) rotateY(1440deg)}}@media(max-width:860px){.game{grid-template-columns:1fr}.stage{min-height:390px}.panel{max-width:none}}@media(max-width:520px){.shell{padding:13px 12px 24px}header{align-items:flex-start}header nav{justify-content:flex-end}header nav a{padding:8px 10px;font-size:11px}.intro{margin:27px 2px 19px}.intro h1{font-size:52px}.stage{min-height:340px;border-radius:20px}.coin{width:155px;border-width:9px}.coin span{font-size:70px}.stage-caption{bottom:20px}.stage-caption strong{font-size:19px}.panel{padding:19px;border-radius:20px}.details{grid-template-columns:1fr}.mode{flex-wrap:wrap}.mode strong{margin-left:0;width:100%;text-align:left}}
@media(prefers-reduced-motion:reduce){.coin.flipping{animation:none}}
.coin{width:min(72%,345px);aspect-ratio:900/750;top:-30px;border:0;outline:0;background:transparent;box-shadow:none}
.coin img{display:block;width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 25px 34px #0009) drop-shadow(0 0 26px color-mix(in srgb,var(--wg-accent-hi) 29%,transparent))}
.coin span{display:none}
@media(max-width:520px){.coin{width:min(76%,265px);top:-17px;border:0}}
.proof{margin-top:16px;border:1px solid var(--wg-accent);border-radius:17px;background:var(--wg-s3);padding:15px 18px;color:var(--wg-text-tint)}
.proof summary{cursor:pointer;font-weight:800}
.proof summary span{float:right;color:var(--wg-text-tint)}
.proof.mismatch summary span{color:#ffb2ae}
.proof dl{display:grid;grid-template-columns:max-content minmax(0,1fr);gap:7px 15px;margin:15px 0 3px;font-size:12px}
.proof dt{color:var(--wg-text-tint)}.proof dd{margin:0;overflow-wrap:anywhere;font-family:ui-monospace,SFMono-Regular,Consolas,monospace}
@media(max-width:520px){.proof dl{grid-template-columns:1fr;gap:4px}.proof dd{margin-bottom:8px}.proof summary span{float:none;display:block}}

/* Custom W stake next to the 1/5/10 quick buttons. */
.stake-custom{display:flex;align-items:center;gap:10px;margin-top:9px}
.stake-custom[hidden],.stake-hint[hidden]{display:none}
.stake-custom label{flex:none;color:var(--wg-text-tint);font-size:13px;font-weight:800}
.stake-custom-shell{flex:1;min-width:0;display:flex;align-items:center;gap:8px;min-height:50px;padding:0 13px;border:1px solid var(--wg-accent);border-radius:12px;background:var(--wg-s4)}
.stake-custom-shell:focus-within{border-color:var(--wg-accent-pale)}
.stake-custom.active .stake-custom-shell{border-color:var(--wg-accent-pale);box-shadow:0 0 0 2px color-mix(in srgb,var(--wg-accent-hi) 33.3%,transparent)}
.stake-custom.invalid .stake-custom-shell{border-color:#ffb2ae}
.stake-custom-shell input{flex:1;min-width:0;width:100%;border:0;outline:0;background:transparent;color:var(--wg-text-tint);font:inherit;font-weight:850;font-size:16px}
.stake-custom-shell input:disabled{opacity:.6}
.stake-custom-shell span{color:var(--wg-text-tint);font-weight:800}
.stake-hint{margin:8px 0 0;color:var(--wg-text-tint);font-size:12px;line-height:1.45}
.stake-hint.error{color:#ffb2ae}