:root{color-scheme:dark;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#eff5df;background:#090d08;font-synthesis:none;text-rendering:optimizeLegibility;--background: #090d08;--panel: #11180f;--panel-raised: #172015;--line: rgba(211, 244, 133, .22);--line-strong: rgba(211, 244, 133, .5);--ink: #eff5df;--muted: #9ba78f;--lime: #c7f36a;--orange: #ff7548}*{box-sizing:border-box}html{min-width:320px;min-height:100%;background:var(--background)}body{min-width:320px;min-height:100vh;min-height:100dvh;margin:0;overflow-x:hidden;background:radial-gradient(circle at 78% 4%,rgba(199,243,106,.09),transparent 28rem),linear-gradient(rgba(199,243,106,.022) 1px,transparent 1px),linear-gradient(90deg,rgba(199,243,106,.022) 1px,transparent 1px),var(--background);background-size:auto,40px 40px,40px 40px,auto}body:before{position:fixed;top:0;right:0;bottom:0;left:0;z-index:-1;content:"";pointer-events:none;background:linear-gradient(115deg,transparent 0 55%,rgba(255,117,72,.035) 55% 56%,transparent 56%)}.app-shell{width:min(1320px,calc(100% - 24px));margin:0 auto;padding:12px 0}.game-layout{--board-size: min(760px, calc(100dvh - 102px) , calc(100vw - 416px) );display:grid;grid-template-columns:minmax(0,var(--board-size)) minmax(300px,360px);gap:20px;align-items:start;justify-content:center}.board-panel{min-width:0}.board-meta,.eyebrow,.card-number,footer{margin:0;color:var(--lime);font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:.68rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase}.board-meta{display:flex;min-height:32px;align-items:center;justify-content:space-between;padding:0 2px;color:var(--muted)}.board-frame{position:relative;padding:12px;border:1px solid var(--line-strong);background:#0c120b;box-shadow:0 24px 70px #0000005c,inset 0 0 0 1px #ffffff06}.board-frame:before,.board-frame:after{position:absolute;z-index:2;width:42px;height:42px;content:"";pointer-events:none}.board-frame:before{top:-1px;left:-1px;border-top:3px solid var(--lime);border-left:3px solid var(--lime)}.board-frame:after{right:-1px;bottom:-1px;border-right:3px solid var(--orange);border-bottom:3px solid var(--orange)}canvas{display:block;width:100%;height:auto;aspect-ratio:1;background:#0c120b;outline:none}canvas:focus-visible{box-shadow:0 0 0 3px var(--background),0 0 0 5px var(--lime)}.game-overlay{position:absolute;top:12px;right:12px;bottom:12px;left:12px;display:grid;align-content:center;justify-items:center;padding:32px;text-align:center;background:#070b07c7;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);transition:opacity .14s ease;pointer-events:none}.game-overlay.is-hidden{visibility:hidden;opacity:0}.overlay-kicker{margin:0 0 12px;color:var(--orange);font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase}.game-overlay h2{max-width:560px;margin:0;font-size:clamp(2rem,5vmin,4rem);letter-spacing:-.045em;line-height:.95}.game-overlay p:last-child{max-width:430px;margin:18px 0 0;color:var(--muted)}.status-line{min-height:34px;margin:0;padding:12px 2px 0;overflow:hidden;color:var(--muted);font-size:.82rem;text-overflow:ellipsis;white-space:nowrap}.info-panel{display:grid;gap:10px;max-height:calc(100dvh - 24px);overflow-y:auto;padding-right:3px;scrollbar-color:var(--line-strong) transparent;scrollbar-width:thin}.masthead{padding:18px;border:1px solid var(--line);background:linear-gradient(145deg,rgba(199,243,106,.06),transparent 58%),#11180fc7}h1{margin:10px 0 9px;font-size:clamp(3.4rem,6.2vw,4.8rem);font-weight:850;letter-spacing:-.085em;line-height:.78;text-transform:uppercase}h1 span{color:var(--orange)}.intro{margin:0;color:var(--muted);font-size:.9rem;line-height:1.4}.scoreboard{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:0}.scoreboard div{min-width:0;padding:12px 15px 11px;border:1px solid var(--line);background:#11180fc7}.scoreboard dt{margin-bottom:4px;color:var(--muted);font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:.66rem;letter-spacing:.12em;text-transform:uppercase}.scoreboard dd{margin:0;color:var(--lime);font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:1.45rem;font-variant-numeric:tabular-nums;font-weight:700}.control-panel{display:grid;gap:10px}.control-card{padding:14px 16px;border:1px solid var(--line);background:#11180fd1}.control-card h2{margin:8px 0 6px;font-size:1.12rem;letter-spacing:-.025em}.control-card>p:last-child,.movement-card>div:first-child>p:last-child{margin:8px 0 0;color:var(--muted);font-size:.78rem;line-height:1.45}.movement-card{display:block}.key-options{display:flex;gap:16px;align-items:end;justify-content:space-between;margin-top:12px}.key-option{display:grid;gap:5px}.key-label{color:var(--muted);font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:.58rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase}.key-grid{display:grid;grid-template-columns:repeat(3,36px);gap:5px;width:max-content}kbd{display:inline-grid;min-width:30px;min-height:27px;place-items:center;padding:4px 7px;border:1px solid rgba(239,245,223,.3);border-bottom-width:3px;border-radius:3px;color:var(--ink);background:var(--panel-raised);font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:.7rem;font-weight:700}.key-grid kbd{min-width:36px;min-height:32px}.shortcut-list{display:grid;gap:8px;margin:10px 0 0}.shortcut-list div{display:flex;gap:10px;min-height:29px;align-items:center;justify-content:space-between}.shortcut-list dt,.shortcut-list dd{margin:0}.shortcut-list dd{color:var(--muted);font-size:.68rem;text-align:right;text-transform:uppercase}.accent-card{border-color:#ff754880;background:linear-gradient(135deg,rgba(255,117,72,.11),transparent 62%),#11180fd1}.accent-card strong{color:var(--orange)}footer{display:flex;flex-wrap:wrap;gap:8px 16px;justify-content:space-between;padding:11px 2px 0;border-top:1px solid var(--line);color:var(--muted);font-size:.6rem}@media(min-width:821px){body{overflow:hidden}}@media(max-width:820px){.app-shell{width:min(100% - 24px,680px)}.game-layout{display:grid;grid-template-columns:1fr;gap:14px}.board-panel{width:100%}.info-panel{max-height:none;overflow:visible;padding-right:0}}@media(max-width:440px){.app-shell{width:min(100% - 16px,680px);padding:8px 0 14px}.board-frame{padding:7px}.game-overlay{top:7px;right:7px;bottom:7px;left:7px;padding:18px}.status-line{white-space:normal}h1{font-size:clamp(3.2rem,20vw,4.4rem)}.key-options{gap:10px}footer{justify-content:flex-start}}@media(prefers-reduced-motion:reduce){.game-overlay{transition:none}}