:root{--color-bg: #d9c4a0;--color-fg: #1c1612;--color-muted: #5e5348;--color-accent: #c42a12;--color-accent-ink: #f7edd8;--color-line: #1c1612;--color-surface: #efe0c4;--brand-indigo-deep: #221f3d;--brand-indigo: #403f69;--brand-lavender: #807c9d;--brand-chrome-hi: #fdfcff;--brand-chrome-mid: #b3abdd;--brand-horizon: #35315c;--font-display: "Archivo Black", Impact, "Arial Black", sans-serif;--font-title: "Libre Franklin", "Segoe UI", system-ui, sans-serif;--font-body: "Libre Franklin", "Segoe UI", system-ui, sans-serif;--radius: 6px;--shadow: 3px 3px 0 var(--color-fg)}html,body{overflow-x:clip}*{box-sizing:border-box}body{margin:0;min-height:100dvh;background:repeating-linear-gradient(90deg,transparent 0 11px,rgb(28 22 18 / .04) 11px 12px),repeating-linear-gradient(0deg,transparent 0 11px,rgb(28 22 18 / .04) 11px 12px),var(--color-bg);color:var(--color-fg);font-family:var(--font-body)}.shell{display:grid;grid-template-columns:17.5rem minmax(0,1fr);min-height:100dvh}.rail{padding:32px 24px;border-right:1px solid var(--color-fg);display:flex;flex-direction:column;gap:24px}.eyebrow{font-size:.8125rem;letter-spacing:.12em;text-transform:uppercase;color:var(--color-muted)}h1{font-family:var(--font-title);font-weight:700;font-size:2.25rem;line-height:1.05;letter-spacing:-.02em;font-style:normal;margin:0}.sub{margin:8px 0 0;color:var(--color-muted);max-width:36ch}.modes{display:grid;grid-template-columns:1fr 1fr;gap:8px}button{font-family:inherit;font-weight:600;font-size:.875rem;border-radius:var(--radius);cursor:pointer}.btn{background:var(--color-accent);color:var(--color-accent-ink);border:0;padding:12px 16px;box-shadow:var(--shadow)}.btn:hover{transform:translateY(-2px)}.btn:active{transform:translateY(3px);box-shadow:0 0 0 var(--color-fg)}.btn:focus-visible,.mode:focus-visible,.card:focus-visible,input:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.btn-ghost{background:transparent;color:var(--color-fg);border:1px solid var(--color-fg);padding:12px 16px}.mode{padding:12px 8px;border:1px solid var(--color-fg);background:transparent;color:var(--color-fg)}.mode[aria-pressed=true]{background:var(--color-accent);color:var(--color-accent-ink);border-color:var(--color-accent)}.hud{display:grid;gap:8px;font-variant-numeric:tabular-nums}.hud dt{font-size:.8125rem;color:var(--color-muted)}.hud dd{margin:0;font-family:var(--font-display);font-size:1.5rem}.more{display:flex;flex-direction:column;gap:24px;flex:1;min-height:0}.more summary{display:none}.actions{display:flex;flex-direction:column;gap:8px;margin-top:auto}.credit{font-size:.8125rem;color:var(--color-muted)}.credit a{color:var(--color-fg)}.stake{margin:0;font-size:.875rem;line-height:1.35;max-width:36ch}.shell.is-comp .stake,.hud .is-live dd{color:var(--color-accent);font-weight:600}.welcome-actions{display:grid;margin-top:24px}.defs{position:absolute;width:0;height:0;overflow:hidden}.stage{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:24px;min-width:0;height:100dvh}.stage-head{flex:0 0 auto;text-align:center}.stage-head .sub{margin-inline:auto}.board-wrap{flex:1 1 auto;min-height:0;min-width:0;width:100%;display:grid;place-items:center;container-type:size}.board{width:min(100cqi,100cqh);aspect-ratio:1;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px}.card{position:relative;display:block;width:100%;aspect-ratio:1;height:auto;min-width:0;min-height:44px;padding:0;border:0;border-radius:50%;background:transparent;perspective:600px}.faces{display:block;position:relative;width:100%;height:100%;border-radius:50%;transform-style:preserve-3d;transition:transform .5s cubic-bezier(.2,.7,.3,1)}.card:disabled{cursor:default}.card.is-up .faces,.card.is-matched .faces{transform:rotateY(180deg)}.face{position:absolute;inset:0;backface-visibility:hidden;border-radius:50%;overflow:hidden;display:grid;place-items:center;box-shadow:var(--shadow)}.front img,.front svg{width:58%;height:58%;object-fit:contain}.back{background:var(--brand-indigo-deep);color:var(--brand-chrome-mid)}.chip-back{width:62%;height:62%}.front{background:var(--color-surface);color:var(--color-fg);transform:rotateY(180deg);font-family:var(--font-display);font-size:clamp(.9rem,2.8vw,1.8rem)}.card.is-matched .front{opacity:.55}.card.is-flash .front{background:var(--color-accent);color:var(--color-accent-ink)}.overlay,.popup{position:fixed;inset:0;background:#1c161273;display:grid;place-items:center;padding:24px}.panel{background:var(--color-surface);color:var(--color-fg);padding:32px;border-radius:var(--radius);box-shadow:var(--shadow);max-width:28rem;width:100%}.panel h2{font-family:var(--font-title);font-weight:700;font-size:1.5rem;font-style:normal;margin:0 0 8px}.mark-lg{margin:16px 0}.mark-lg svg{width:5rem;height:5rem}label{display:grid;gap:6px;font-size:.875rem;font-weight:600;margin:16px 0}input{font:inherit;padding:12px;border:1px solid var(--color-fg);border-radius:var(--radius);background:var(--color-bg);color:var(--color-fg)}@media(prefers-reduced-motion:reduce){.faces{transition:opacity .15s linear;transform:none}.front{transform:none}.card:not(.is-up):not(.is-matched) .front{opacity:0}.card.is-up .front,.card.is-matched .front{opacity:1}.card:not(.is-up):not(.is-matched) .back{opacity:1}.card.is-up .back,.card.is-matched .back{opacity:0}.btn:hover,.btn:active{transform:none}}@media(max-width:639px){.shell{display:flex;flex-direction:column;min-height:100dvh}.stage{order:-1;height:auto;padding:8px 8px 0;min-height:0;gap:8px}.board-wrap{container-type:normal;flex:0 0 auto}.board{width:min(100%,calc(100dvh - 14rem));aspect-ratio:1}.rail{order:1;border-right:0;border-top:1px solid var(--color-fg);padding:8px 12px 16px;gap:8px}.eyebrow{display:none}h1{font-size:1.25rem;overflow-wrap:anywhere}.overlay .eyebrow{display:block}.stake{font-size:.8125rem}.more{gap:12px;flex:0 0 auto}.more summary{display:block;font-weight:600;cursor:pointer;padding:10px 0;list-style:none}.more summary::-webkit-details-marker{display:none}.card{min-height:0}}