*{box-sizing:border-box}
:root{color-scheme:light;--ink:#213f46;--muted:#627774;--mint:#d8eee4;--line:#dce5df;--paper:#fcfbf6}
html{scroll-behavior:auto}
body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.65 system-ui,sans-serif}
a{color:inherit;text-decoration:none}
button,a{-webkit-tap-highlight-color:transparent}
button{font:inherit;font-size:14px;font-weight:600;line-height:1.4;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:10px;padding:11px 15px;cursor:pointer}
button:hover{border-color:#8ab7a5;background:#f2f8f3}
button:disabled{opacity:.4;cursor:default}
button:focus-visible,a:focus-visible{outline:3px solid #bb7b25;outline-offset:3px;position:relative;z-index:1}
button.primary{background:var(--ink);border-color:var(--ink);color:#fff}
button.primary:hover{background:#315963}
button.secondary{background:transparent;border-color:#9bb4a8}
.shell{max-width:1120px;margin:auto;padding-left:32px;padding-right:32px}
.site-header{display:flex;align-items:center;justify-content:space-between;padding-top:25px;padding-bottom:25px;border-bottom:1px solid var(--line)}
.brand{font-size:21px;font-weight:800;letter-spacing:-.7px;white-space:nowrap}
.brand-mark{display:inline-grid;place-items:center;background:var(--mint);width:32px;height:32px;border-radius:9px;font-size:25px;margin-right:5px;vertical-align:middle}
nav{display:flex;gap:24px;font-size:13px;font-weight:600;color:var(--muted)}
.hero{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;padding-top:62px;padding-bottom:58px}
.eyebrow{font-size:12px;letter-spacing:.06em;font-weight:700;color:#517b68;margin:0 0 10px}
h1{font-size:clamp(36px,4.7vw,58px);line-height:1.16;letter-spacing:-2.5px;margin:0 0 22px;font-weight:800}
.hero-copy{color:var(--muted);font-size:16px;line-height:1.8;margin:0 0 26px;word-break:keep-all}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap}
.hero-actions button{padding:14px 18px}
.hero-actions button span{margin-left:18px}
.hero-caption{font-size:12px;color:var(--muted);margin:14px 0 0}
.hero-art{justify-self:center;width:282px;height:304px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:19px;background:#e4f0e7;border:1px solid #cbded0;border-radius:34px 34px 90px 34px;transform:rotate(3deg);box-shadow:12px 14px 0 #f0eadb}
.art-label,.art-caption{font-size:12px;color:#527064}
#hero-preview{transform:rotate(-7deg)}
.pixel-preview{--pixel-size:8px;display:grid;grid-template-columns:repeat(5,var(--pixel-size));grid-template-rows:repeat(5,var(--pixel-size));gap:2px;flex-shrink:0;width:max-content}
.pixel-preview span{background:#e7eee8;border-radius:1px}
.pixel-preview .on{background:var(--ink)}
.hero-art .pixel-preview{--pixel-size:25px;gap:4px}
.hero-art .pixel-preview span{background:#d4e6d9;border-radius:3px}
.hero-art .pixel-preview .on{background:#356f5c}
.how-to{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:25px 0;gap:30px}
.how-to article{position:relative;padding-left:38px}
.step-number{position:absolute;left:0;top:3px;font:700 12px ui-monospace,monospace;color:#739888}
.how-to h2{font-size:15px;margin:0 0 5px;letter-spacing:-.3px}
.how-to p{font-size:13px;color:var(--muted);margin:0;word-break:keep-all}
.run-example{display:block;font:17px/1.6 ui-monospace,monospace;letter-spacing:3px;margin-top:7px;color:#497e68}
.example-section{padding-top:44px}
.section-heading,.workspace-heading{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:20px}
.section-heading h2,.workspace-heading h2{font-size:26px;line-height:1.3;letter-spacing:-1px;margin:0}
.section-heading>p{font-size:13px;color:var(--muted);margin:0}
.examples-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.example-card{display:grid;grid-template-columns:50px 1fr;grid-template-rows:auto auto auto;column-gap:15px;text-align:left;padding:20px;background:#fff;align-content:start;box-shadow:0 2px 0 #eef0e8}
.example-card .pixel-preview{grid-row:1/4;margin:auto 0}
.example-card strong{font-size:16px;letter-spacing:-.4px}
.example-caption{display:block;font-size:12px;line-height:1.6;color:var(--muted);font-weight:400;min-height:38px;margin-top:3px;word-break:keep-all}
.example-action{font-size:12px;color:#4c7d65;margin-top:8px}
.workspace{margin-top:44px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;scroll-margin-top:18px;box-shadow:0 6px 24px #294b3d05}
#puzzle-description{font-size:13px;color:var(--muted);margin:9px 0 0}
.text-link{font-size:12px;color:#527b66;white-space:nowrap;font-weight:600}
.toolbar{display:flex;gap:8px;flex-wrap:wrap}
.toolbar button[aria-pressed="true"]{background:var(--mint);border-color:#90b6a2;color:#294e3c}
#status{font-size:14px;background:#f1f6f1;padding:12px 14px;min-height:46px;margin:16px 0 25px;border-radius:10px;overflow-wrap:anywhere}
.workspace-body{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:36px}
.board-panel{text-align:center;min-width:0}
.game{--cell-size:clamp(30px,calc((100vw - 102px)/5),52px);--clue-width:40px;display:inline-block;text-align:left;max-width:100%}
#cols{display:flex;margin-left:calc(var(--clue-width) + 2px);margin-bottom:6px}
#cols div{width:var(--cell-size);height:60px;flex-shrink:0;display:flex;align-items:end;justify-content:center;text-align:center;font-size:12px;white-space:pre-line;font-weight:600;color:#536d63}
.bottom{display:flex}
#rows{width:var(--clue-width);flex-shrink:0}
#rows div{height:var(--cell-size);display:flex;align-items:center;justify-content:end;padding-right:8px;font-size:12px;font-weight:600;color:#536d63}
#board{display:grid;grid-template-columns:repeat(5,var(--cell-size));grid-template-rows:repeat(5,var(--cell-size));border-top:2px solid #294c44;border-left:2px solid #294c44}
#board button{font:18px system-ui;background:#f7faf7;color:#394b59;border:0;border-right:1px solid #a5b8ae;border-bottom:1px solid #a5b8ae;border-radius:0;padding:0;min-width:0}
#board button:hover{box-shadow:inset 0 0 0 2px #96bba8}
#board button.filled{background:#315c50;color:white}
#board button.cross{color:#b07761}
.progress{font-size:12px;color:var(--muted);margin:14px 0 0}
.play-guide{border-left:1px solid var(--line);padding:4px 0 4px 28px}
.play-guide h3{font-size:17px;margin:0 0 10px}
.play-guide p{font-size:14px;margin:0 0 17px;color:var(--muted);word-break:keep-all}
.play-guide p.guide-note{font-size:12px;line-height:1.9}
.legend{display:flex;gap:20px;margin:18px 0;font-size:12px;color:var(--muted)}
.legend span{display:flex;align-items:center;gap:8px}
.legend-cell{display:inline-grid;place-items:center;width:18px;height:18px;border:1px solid #a5b8ae;border-radius:3px;font-style:normal}
.legend-cell.filled{background:#315c50}
.legend-cell.cross{color:#b07761}
footer.shell{display:flex;justify-content:space-between;align-items:start;gap:24px;padding-top:35px;padding-bottom:40px}
footer .brand{font-size:16px;color:#6d8279}
footer p{font-size:11px;color:#7d8d84;text-align:right;margin:0;max-width:550px}
@media(max-width:760px){.shell{padding-left:20px;padding-right:20px}.hero{gap:20px;padding-top:38px;padding-bottom:38px}.hero-art{width:210px;height:250px}.hero-art .pixel-preview{--pixel-size:20px}.how-to{gap:18px}.how-to article{padding-left:0}.step-number{position:static;display:block;margin-bottom:8px}.examples-grid{grid-template-columns:repeat(2,1fr)}.workspace-body{grid-template-columns:1fr}.play-guide{border-left:0;border-top:1px solid var(--line);padding:22px 0 0}.workspace{padding:20px}.workspace-heading{align-items:start}.workspace-heading .text-link{padding-top:6px}.section-heading{align-items:start}.section-heading>p{max-width:120px}}
@media(max-width:540px){.shell{padding-left:16px;padding-right:16px}.site-header{padding-top:18px;padding-bottom:18px}.brand{font-size:18px}nav{gap:14px;font-size:11px}.hero{grid-template-columns:1fr;padding-top:34px;gap:28px}.hero-art{display:none}h1{font-size:39px;letter-spacing:-1.8px}.hero-copy{font-size:14px}.hero-actions button{font-size:12px;padding:13px 12px}.hero-actions button span{margin-left:10px}.hero-caption{font-size:10px}.how-to{grid-template-columns:1fr;padding:20px 0;gap:18px}.how-to article{padding-left:35px}.step-number{position:absolute;top:3px}.how-to p{font-size:12px}.run-example{display:inline-block;font-size:15px;margin-top:3px}.example-section{padding-top:30px}.section-heading{display:block}.section-heading h2,.workspace-heading h2{font-size:23px}.section-heading>p{max-width:none;margin-top:8px}.example-card{padding:14px;grid-template-columns:1fr;gap:0}.example-card .pixel-preview{grid-row:auto;margin-bottom:12px}.example-card strong{font-size:15px}.example-caption{min-height:58px;font-size:11px}.workspace{padding:12px;margin-top:30px;border-radius:14px}.workspace-heading{display:block}.text-link{display:inline-block;margin-top:10px}.toolbar{gap:6px}.toolbar button{padding:10px;font-size:12px}#status{font-size:12px;padding:10px;margin-bottom:18px}.workspace-body{gap:22px}.play-guide h3{font-size:15px}.play-guide p{font-size:13px}footer.shell{display:block;padding-top:25px}footer p{text-align:left;margin-top:12px}}