:root{color-scheme:light;--sage:#e8efe8;--ivory:#f5f3e8;--forest:#244d38;--ink:#203e2e;--muted:#4f6555;--clay:#dda163;--line:#c2cfc1;--shadow:0 4px 7px #314e3226;--radius:14px;font-family:"Segoe UI",system-ui,sans-serif;color:var(--ink);background:var(--sage);font-synthesis:none}
.fixed-label{background:var(--ivory);width:fit-content;margin:0 auto;padding:1px 3px;border-radius:3px}#status:focus{outline:2px solid #8a481a;outline-offset:4px}
.brand{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.brand>div{min-width:0}.sound-toggle{flex-shrink:0;min-height:44px;border:1px solid #718671;border-radius:8px;background:transparent;padding:8px 10px;font-size:12px}.sound-toggle:hover{background:#dce7dc}.difficulty-line{display:flex;align-items:center;gap:10px;margin:12px 0;font-size:12px;color:var(--muted)}.difficulty{background:#d3e1cf;color:var(--ink);border-radius:6px;padding:5px 9px;font-weight:650}.difficulty[data-stage="Easy"]{background:#dbe6eb}.difficulty[data-stage="Medium"]{background:#cfdeeb}.difficulty[data-stage="Hard"]{background:#d8cfe7}.reveal-count{font-weight:650;color:var(--ink)}.club-help{margin:0 0 16px;padding:14px;border-radius:12px;background:#dbe6eb;color:var(--ink)}.club-help p{margin:6px 0 0}#completion{width:min(360px,calc(100% - 32px));max-height:calc(100dvh - 32px);overflow:auto;border:0;border-radius:20px;padding:30px 24px 24px;background:var(--ivory);color:var(--ink);box-shadow:0 18px 60px #18332340;text-align:center}#completion::backdrop{background:#163b2ba6}.completion-mark{width:52px;height:52px;margin:0 auto 18px}.completion-mark circle{fill:var(--forest)}.completion-mark path{stroke:#fffdf1;stroke-width:4;stroke-linecap:round;stroke-linejoin:round;fill:none}#completion h2{font-size:28px;margin:0 0 12px}#completion-detail{font-size:16px;line-height:1.5;color:var(--muted);margin:0 0 22px}#completion .primary{width:100%;margin:0 0 12px}#completion .secondary{width:100%;background:transparent}@media(max-width:380px){.brand p{max-width:180px}.sound-toggle{font-size:11px;padding:8px}.difficulty-line{gap:7px}}
*{box-sizing:border-box}body{margin:0}button,summary{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer;touch-action:manipulation}button:disabled{cursor:default;opacity:.45}button:focus-visible,summary:focus-visible{outline:3px solid #8a481a;outline-offset:4px}h2:focus{outline:none}::selection{background:#c8dbca;color:#142b1d}[hidden]{display:none!important}svg{display:block}.atelier{width:min(100% - 40px,500px);margin:0 auto;padding:28px 0 24px}.brand h1{font-size:30px;line-height:1.15;letter-spacing:-.035em;margin:0;font-weight:750}.brand p{font-size:13px;color:var(--muted);margin:6px 0 0}.level-meta{display:flex;justify-content:space-between;align-items:center;margin-top:28px;color:var(--muted);font-size:14px;font-variant-numeric:tabular-nums}.text-button{border:0;background:none;text-decoration:underline;text-underline-offset:4px;padding:12px 0 12px 20px;min-height:44px}.text-button:hover{color:#102d1b}h2{font-size:clamp(26px,6vw,36px);line-height:1.12;letter-spacing:-.025em;margin:6px 0 10px;text-wrap:balance}.intro{font-size:16px;line-height:1.5;color:var(--muted);margin:0 0 24px;min-height:48px}.board{display:grid;grid-template-columns:repeat(var(--size,4),minmax(0,1fr));gap:7px;isolation:isolate}.tile{position:relative;aspect-ratio:1;min-width:0;padding:0;border:0;border-radius:var(--radius);background:linear-gradient(145deg,#fffef6,var(--ivory) 60%,#e9e8dc);box-shadow:var(--shadow),inset 0 1px 1px #ffffff;display:grid;place-items:center}.tile.empty{box-shadow:inset 0 2px 5px #3d51331c;background:#e0e8dd;border:8px solid #edf0e5}.tile svg{width:100%;height:100%;overflow:hidden;border-radius:inherit}.tile path{fill:none;stroke:var(--forest);stroke-width:20;stroke-linejoin:round;stroke-linecap:butt;filter:drop-shadow(0 -1px 1px #132e2570)}button.tile:hover{background:#fffdf1;box-shadow:0 5px 9px #314e3230,inset 0 1px 1px white}button.tile:active{box-shadow:0 1px 3px #314e3230;transform:translateY(1px)}.marker{position:absolute;display:grid;place-items:center;left:50%;top:50%;transform:translate(-50%,-50%);width:37%;height:37%;border-radius:50%;background:var(--clay);color:#183323;font-weight:750;font-size:clamp(16px,5vw,26px);box-shadow:0 1px 3px #55402342;pointer-events:none}.endpoint .marker{background:var(--forest);color:#fffdf1;width:43%;height:43%;font-size:clamp(17px,5vw,28px)}.fixed-label{position:absolute;bottom:5px;left:0;right:0;text-align:center;font-size:9px;letter-spacing:.03em;color:#3e5744;line-height:1}.board.solved .tile:not(.empty){box-shadow:0 3px 7px #274c3328,inset 0 0 0 1px #afc7a8}.guidance{text-align:center;margin:20px 0 18px}.guidance p{margin:4px 0}.guidance p:first-child{font-size:16px;font-weight:600}#itinerary{color:var(--muted);letter-spacing:.12em;font-size:16px}.actions{display:flex;justify-content:center;gap:14px}.ceramic{min-width:124px;min-height:48px;display:inline-flex;justify-content:center;align-items:center;gap:12px;border:0;border-radius:12px;background:linear-gradient(145deg,#fffef6,#eeeee2);box-shadow:var(--shadow);padding:12px 20px;font-weight:600}.ceramic svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.ceramic:hover:not(:disabled){background:#fffef6}.result{min-height:64px;text-align:center;margin:18px 0 12px}#status{font-size:14px;line-height:1.5;margin:0;color:var(--muted)}.primary{display:block;margin:12px auto 0;min-height:48px;padding:12px 28px;color:#fffdf1;background:var(--forest);border:0;border-radius:12px;font-weight:600}.primary:hover{background:#163c28}.secondary{background:transparent;border:1px solid #718671;border-radius:8px;padding:10px 16px;min-height:44px}.secondary:hover{background:#dce7dc}.help{border-top:1px solid var(--line);padding:0;font-size:14px;line-height:1.6}.help summary,.test-tools summary{cursor:pointer;padding:14px 0;min-height:44px;width:fit-content}.help p{margin:0 0 14px}.help button{margin-bottom:16px}footer{text-align:center;margin-top:26px;padding-top:16px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}.motto{font-size:16px;margin:0 0 10px}.test-tools{margin:8px auto 0;max-width:65ch}.test-tools summary{margin:auto;text-decoration:underline;text-underline-offset:4px}.test-tools p{line-height:1.6}.notice{background:#f7e5ce;color:#643b19;padding:12px 14px;border-radius:8px;font-size:14px;line-height:1.5}#level-list{padding:10px 0 20px;display:grid;grid-template-columns:1fr 1fr;gap:6px}#level-list button{text-align:left;background:transparent;border:1px solid var(--line);border-radius:8px;min-height:52px;padding:10px;font-size:13px}#level-list button[aria-current="true"]{background:var(--forest);color:white;border-color:var(--forest)}#level-list small{display:block;margin-top:3px}.tile.turned svg{animation:turn-in .14s cubic-bezier(.16,1,.3,1)}@keyframes turn-in{from{transform:rotate(-90deg)}to{transform:rotate(0)}}@media(min-width:800px){.atelier{padding-top:36px}.brand h1{font-size:34px}.level-meta{margin-top:32px}}@media(max-width:380px){.atelier{width:calc(100% - 28px);padding-top:20px}.board{gap:5px}.tile{border-radius:10px}.tile.empty{border-width:5px}.intro{font-size:14px;margin-bottom:18px}.brand h1{font-size:27px}.level-meta{margin-top:18px}.fixed-label{font-size:8px;bottom:3px}.ceramic{min-width:115px}.marker{font-size:17px}#level-list{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){.tile.turned svg{animation:none}button.tile:active{transform:none}}
#feedback{width:min(560px,calc(100% - 24px));max-height:calc(100dvh - 24px);overflow:auto;border:0;border-radius:20px;padding:28px 24px;background:var(--ivory);color:var(--ink);box-shadow:0 18px 60px #18332340}#feedback::backdrop{background:#163b2ba6}#feedback h2{margin-top:0}#feedback label,#feedback legend{font-size:15px;line-height:1.45}#feedback textarea{display:block;width:100%;min-height:86px;margin:8px 0 20px;padding:12px;border:1px solid #718671;border-radius:8px;background:#fffef6;color:var(--ink);font:inherit;resize:vertical}#feedback fieldset{border:0;padding:0;margin:0 0 20px}#feedback legend{font-weight:700;margin-bottom:8px}#feedback fieldset label{display:flex;align-items:flex-start;gap:10px;padding:7px 0}#feedback input[type="radio"]{width:20px;height:20px;flex:0 0 auto;margin:1px 0}.feedback-intro{color:var(--muted);line-height:1.55}.step-label{color:var(--muted);font-size:12px;font-weight:700;letter-spacing:.05em;text-transform:uppercase}.feedback-actions{display:grid;grid-template-columns:1fr 1.4fr;gap:10px}.feedback-actions .primary{margin:0}.feedback-actions .secondary{width:100%}#feedback-status{min-height:24px;color:#7b321f;font-weight:600}.honeypot{position:absolute!important;left:-10000px!important;width:1px;height:1px;overflow:hidden}#feedback-invite{margin:12px auto}#completion-feedback{width:100%;margin:0 0 12px}@media(max-width:380px){#feedback{padding:22px 16px;border-radius:14px}.feedback-actions{grid-template-columns:1fr}}