:root{color-scheme:dark;--bg:#10232e;--ink:#e8f1e8;--muted:#a1babd;--line:#35505b;--aqua:#86e1cd;--amber:#f6c778}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 80% 0,#244c58 0,transparent 55%),var(--bg);color:var(--ink);font:15px/1.6 system-ui,-apple-system,sans-serif}main{max-width:1110px;margin:auto;padding:25px 32px}header,footer,.top,.readout{display:flex;justify-content:space-between;align-items:center;gap:14px}header{border-bottom:1px solid var(--line);padding-bottom:20px;font-size:11px;color:var(--muted)}a{color:var(--aqua)}.brand{text-decoration:none;font-size:23px;letter-spacing:1px;font-weight:800}.brand span{font-size:10px;letter-spacing:2px;margin-left:14px}.intro{display:flex;align-items:center;justify-content:space-between;padding:38px 0 33px}.eyebrow{font-size:10px;letter-spacing:2.5px;font-weight:750;color:var(--aqua);margin:0 0 9px}h1{font:500 clamp(44px,6vw,72px)/1.04 Georgia,serif;letter-spacing:-2px;margin:0}h1 em{color:var(--amber);font-weight:400}.intro p:last-child{color:var(--muted);margin-bottom:0}.insignia{font-size:100px;line-height:1;text-align:center;color:var(--aqua);transform:rotate(-8deg);padding-right:50px}.insignia span{display:block;font:10px system-ui;letter-spacing:2px;margin-top:16px}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 300px;border:1px solid var(--line);border-radius:20px;background:#112b36;overflow:hidden}.play{padding:26px;background:linear-gradient(140deg,#1a3c46,#142e39)}aside{padding:26px;border-left:1px solid var(--line)}h2{font:26px/1.1 Georgia,serif;margin:0 0 10px}aside>p:not(.eyebrow){color:var(--muted);font-size:13px}select,button{font:inherit;color:var(--ink);border:1px solid var(--line);border-radius:9px;background:#1c3b47}select{max-width:160px;padding:9px;font-size:12px}button{cursor:pointer;padding:10px 14px}button:hover:not(:disabled){background:#305866;border-color:var(--aqua)}button:disabled{opacity:.38;cursor:default}button:focus-visible,select:focus-visible,#board:focus-visible{outline:3px solid var(--amber);outline-offset:3px}.mapframe{margin-top:22px;padding:12px;border:1px solid #45616a;background:#0c202b;border-radius:12px}#board{display:grid;position:relative;gap:3px;outline-offset:5px;touch-action:manipulation}.cell{aspect-ratio:1;padding:0;display:grid;place-items:center;position:relative;border-radius:6px;border:1px solid #284750;background:#16323e;font-size:clamp(15px,3vw,26px);line-height:1;overflow:visible}.cell.wall{background:repeating-linear-gradient(135deg,#38515a,#38515a 4px,#2c444f 4px,#2c444f 8px);border:1px solid #59717a;color:#9cb0b4}.cell.gem{color:var(--aqua);text-shadow:0 0 14px #86e1cd77}.cell.mine{color:#ff9a94}.cell.stop{color:#f1c985}.cell .player{position:absolute;z-index:2;background:var(--amber);border:2px solid #fff0c9;border-radius:50%;width:60%;height:60%;box-shadow:0 3px 12px #0008;display:grid;place-items:center;color:#182c34;font-size:13px}.cell .player.dead{background:#f78e8e;border-color:#ffc3c3}.cell.trail{box-shadow:inset 0 0 0 2px #86e1cd80}.readout{font-size:12px;color:var(--aqua);margin-top:14px;font-variant-numeric:tabular-nums}#status{min-height:43px;font-size:13px;color:var(--muted);margin:12px 0 0}#directions{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:22px 0 15px}#directions button{font-size:25px;min-height:50px;padding:6px}#directions .center{display:grid;place-items:center;color:var(--muted);font-size:10px;letter-spacing:1px}#directions button.hinted{background:var(--amber);color:#132c38;border-color:#fff0c9}.tools{display:flex;gap:5px;flex-wrap:wrap}.tools button{font-size:12px;padding:10px}kbd{font:10px system-ui;opacity:.5;margin-left:3px}.legend{display:grid;gap:7px;border-top:1px solid var(--line);margin-top:23px;padding-top:20px;font-size:12px;color:var(--muted)}.legend b{display:inline-block;width:26px;font-size:18px}.gem{color:var(--aqua)}.stop{color:var(--amber)}.mine{color:#ff9a94}.wall{color:#9cb0b4}details{font-size:12px;color:var(--muted);border-top:1px solid var(--line);margin-top:18px;padding-top:15px}summary{cursor:pointer;color:var(--ink);font-weight:600}#win{padding:19px;border:1px solid var(--aqua);border-radius:10px;background:#234a4a}#win strong{font:30px Georgia;color:var(--amber)}#win p{font-size:13px}#win button{background:var(--aqua);color:#10232e;font-weight:700}footer{font-size:11px;color:var(--muted);padding:22px 0}.sliding{pointer-events:none}@media(max-width:760px){main{padding:18px}.intro{padding:28px 0}.insignia{font-size:65px;padding-right:10px}.workspace{grid-template-columns:1fr}.play{padding:18px}aside{padding:22px;border-left:0;border-top:1px solid var(--line)}#directions{max-width:270px;margin:15px auto}.tools{justify-content:center}.cell{font-size:22px}header>span{max-width:120px;text-align:right}.top{align-items:flex-start}select{max-width:140px}.mapframe{padding:8px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}