:root{color-scheme:light;--ink:#102638;--navy:#062c42;--gold:#98600d;--cream:#fffaf2;--paper:#fffdf9;--line:#d9c7ad;--green:#075a42;--muted:#33444d;--shadow:0 8px 20px #422f161e}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;min-width:0;background:var(--cream);color:var(--ink);font:16px/1.55 system-ui,-apple-system,"Segoe UI",Arial,sans-serif}
img,svg{display:block;max-width:100%;height:auto}
a{color:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #007b8c;outline-offset:4px}
.wrap{width:min(1180px,calc(100% - 40px));margin-inline:auto}
.skip{position:absolute;left:-9999px;top:0;background:#fff;color:#000;padding:10px 14px;z-index:9}
.skip:focus{left:12px;top:12px}
.site-header{background:linear-gradient(115deg,#061c30,#06415a 78%,#05354b);color:#fff;box-shadow:0 2px 10px #0002}
.header-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.logo{display:inline-flex;align-items:center;min-height:48px;max-width:240px}
.logo img{width:220px;height:auto}
.nav{display:flex;flex-wrap:wrap;gap:8px 24px;align-items:center}
.nav a,.footer-links a{display:inline-flex;align-items:center;min-height:44px;text-decoration:none;font-weight:650}
.nav a:hover,.footer-links a:hover{text-decoration:underline}
h1,h2,h3{font-family:Georgia,"Times New Roman",serif;line-height:1.15;letter-spacing:-.02em;color:#0d293d}
h1{font-size:clamp(34px,4.4vw,56px);margin:0 0 12px}
h1 span{color:#8b5815}
h2{font-size:clamp(25px,2.6vw,34px);margin:0 0 12px}
h3{font-size:21px;margin:0 0 6px}
.page-hero{background:radial-gradient(ellipse at 88% 20%,#b6e8df 0,transparent 40%),linear-gradient(135deg,#fffaf3,#f9f0e3);border-bottom:1px solid #e9d9c5;padding:26px 0 34px}
.crumbs{margin:0 0 18px;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:4px 8px;font-size:15px;color:#4a5560}
.crumbs li+li::before{content:"/";margin-right:8px;color:#a08a6a}
.crumbs a{text-decoration:underline;text-underline-offset:3px}
.eyebrow{margin:0 0 10px;font-size:14px;font-weight:800;letter-spacing:.13em;text-transform:uppercase;color:#7e4f0b}
.lede{font-size:18px;max-width:760px;margin:0}
.answer-chip{display:inline-flex;flex-wrap:wrap;align-items:center;gap:6px 14px;margin-top:18px;padding:12px 18px;border:1px solid #c9a86b;border-radius:12px;background:#fff;box-shadow:0 4px 10px #2d260c18}
.answer-chip b{font:700 24px/1.2 Georgia,serif;color:#075a42}
.answer-chip span{font-size:14px;font-weight:700;color:#6b470d;text-transform:uppercase;letter-spacing:.05em}
.content{padding:34px 0 48px}
.panel{background:var(--paper);border:1px solid #dcc8ac;border-radius:15px;box-shadow:var(--shadow);padding:24px;margin:0 0 22px;min-width:0}
.panel>p:last-child{margin-bottom:0}
.two{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:22px;align-items:start}
.board-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;padding:4px 2px 10px}
.nono{border-collapse:collapse;margin:0 auto;font:700 13px/1.1 system-ui,sans-serif;color:#22323d}
.nono td.c{width:var(--c);height:var(--c);min-width:var(--c);border:1px solid #c6b597;background:#fffdf7;padding:0}
.nono td.f{background:#0b4a5e}
.nono tr:nth-child(5n+1):not(:first-child) td.c{border-top:2px solid #6f5a38}
.nono td.c.b5{border-right:2px solid #6f5a38}
.nono th{font-weight:700;padding:3px 5px;color:#5a3c0a;background:#fbf1de}
.nono thead th{vertical-align:bottom;text-align:center;border-bottom:2px solid #6f5a38;line-height:1.25}
.nono tbody th{text-align:right;white-space:nowrap;border-right:2px solid #6f5a38}
.nono .corner{background:transparent}
.board-meta{text-align:center;margin:10px 0 0;color:var(--muted);font-size:15px}
.clue-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.clue-list ol{margin:0;padding-left:28px}
.clue-list li{padding:2px 0}
.clue-list h3{font-size:18px}
pre.solution{margin:0;overflow-x:auto;padding:14px;background:#fbf4e6;border:1px solid #e3d1b2;border-radius:10px;font:18px/1.15 ui-monospace,Consolas,"Courier New",monospace;letter-spacing:.12em}
.moves{margin:0;padding:0;list-style:none;display:grid;gap:12px}
.moves li{border-left:4px solid #d5a348;padding:4px 0 4px 14px}
.moves b{display:block}
.pager{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:6px}
.button,.ghost{display:inline-flex;justify-content:center;align-items:center;min-height:44px;padding:10px 18px;border-radius:8px;text-align:center;font:750 16px/1.3 system-ui;text-decoration:none}
.button{color:#fff;background:linear-gradient(180deg,#11785b,#07513d);box-shadow:0 4px 8px #063b2b2b;border:0}
.button:hover{background:#064b39}
.ghost{border:1px solid #b8a181;background:#fff8eb;color:#102638}
.ghost:hover{background:#f0ddb4}
.finder{display:flex;gap:6px;max-width:560px;background:#fff;padding:6px;border:1px solid #bea67e;border-radius:13px;box-shadow:0 5px 12px #2d260c2a;margin-top:20px}
.finder label{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.finder input{flex:1;min-width:0;padding:12px;border:0;background:transparent;color:#102638;font:inherit;font-size:16px}
.finder input::placeholder{color:#505965;opacity:1}
.finder button{border:1px solid #ab7b26;border-radius:9px;padding:0 24px;min-height:48px;font:700 16px system-ui;background:linear-gradient(#ffe5a3,#dbaa44);color:#17252c;cursor:pointer}
.jump{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 22px;padding:0;list-style:none}
.jump a{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border:1px solid #b8a181;border-radius:999px;text-decoration:none;font-weight:700;background:#fff8eb}
.jump a:hover{background:#f0ddb4}
.group{scroll-margin-top:20px;margin-bottom:30px}
.level-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:14px;margin:0;padding:0;list-style:none}
.level-card a{display:flex;flex-direction:column;height:100%;text-decoration:none;background:var(--paper);border:1px solid #dcc8ac;border-radius:13px;box-shadow:0 4px 12px #422f1614;padding:14px}
.level-card a:hover{border-color:#a7782e;box-shadow:0 6px 16px #422f1626}
.level-card svg{width:100%;height:96px;margin-bottom:10px}
.level-card .num{font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#6b470d}
.level-card .name{font:700 19px/1.2 Georgia,serif;color:#0d293d;overflow-wrap:anywhere}
.level-card .size{font-size:14px;color:#4a5560;margin-top:auto;padding-top:6px}
.empty-note{display:none;padding:16px;border:1px dashed #b8a181;border-radius:10px;background:#fff8eb}
.results{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.results a{display:flex;gap:14px;align-items:center;padding:12px 14px;background:var(--paper);border:1px solid #dcc8ac;border-radius:12px;text-decoration:none}
.results a:hover{border-color:#a7782e}
.results svg{width:56px;height:56px;flex:none}
.results b{font:700 19px Georgia,serif}
details{background:#fffdf8;border:1px solid #d9c6a8;border-radius:9px;margin:0 0 8px;overflow:hidden}
summary{min-height:48px;padding:12px 17px;cursor:pointer;font-weight:750;list-style-position:inside}
details p{margin:0;padding:0 18px 19px;color:#344854}
.note{font-size:15px;color:#4a5560}
footer{background:#062b42;color:#fff;padding:22px 0}
.footer-inner{display:flex;flex-wrap:wrap;gap:14px 28px;align-items:center;justify-content:space-between}
.footer-brand{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.footer-brand img{width:180px;height:auto}
.footer-brand p{font-size:14px;margin:0}
.footer-links{display:flex;flex-wrap:wrap;gap:4px 22px}
@media(max-width:860px){.two{grid-template-columns:minmax(0,1fr)}}
@media(max-width:720px){.header-inner{flex-wrap:wrap;padding:10px 0}}
@media(max-width:450px){.wrap{width:calc(100% - 24px)}.logo img{width:184px}.nav{gap:4px 16px}.nav a{font-size:14px}.panel{padding:18px}.clue-list{grid-template-columns:1fr}.level-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.level-card a{padding:10px}.level-card svg{height:80px}.finder button{padding-inline:12px}.pager a{flex:1 1 100%}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}