:root{--bg:#f7f6f3;--ink:#17161c;--mut:#5b5966;--line:#dcd9e2;--card:#fff;--acc:#5a3cc2;--accd:#47309c;--accl:#ece7fb;--bad:#c62828;--badl:#fde8e8;--ok:#1f7a4a;color-scheme:light}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:18px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
a{color:var(--acc)}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:var(--card);padding:8px;z-index:9}
.wrap{max-width:960px;margin:0 auto;padding:0 14px}
.top{border-bottom:1px solid var(--line);background:var(--card)}
.top .wrap{display:flex;align-items:center;gap:16px;height:52px}
.brand{font-weight:700;font-size:19px;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:8px;margin-right:auto;white-space:nowrap}
.brand b{color:var(--acc);font-weight:700}
.top nav{display:flex;gap:16px;white-space:nowrap}
.top nav a{color:var(--ink);text-decoration:none;font-size:16px}
.top nav a[aria-current]{color:var(--acc);font-weight:600}
main{padding:12px 0 40px}
h1{font-size:25px;line-height:1.2;margin:8px 0 4px;text-align:center}
h2{font-size:22px;margin:30px 0 8px;line-height:1.25}h3{font-size:18px;margin:18px 0 4px}
.prose{max-width:720px;margin:0 auto}
.lead,.sub{color:var(--mut);text-align:center;margin:0 0 10px;font-size:16px;min-height:25px}
.btn,select,.tf input,.tf textarea{font:inherit;font-size:16px;min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--ink);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px;text-decoration:none}
.btn:hover{border-color:var(--mut)}
.btn[aria-pressed=true]{background:var(--acc);border-color:var(--acc);color:#fff}
.btn.primary{background:var(--acc);border-color:var(--acc);color:#fff;font-weight:600}
.btn.primary:hover{background:var(--accd)}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--card)}
.seg .btn{border:0;border-radius:0;padding:0 14px}.seg .btn+.btn{border-left:1px solid var(--line)}
/* game */
.game{margin:0 auto;max-width:860px;display:flex;flex-direction:column;align-items:center}
.bar{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:0 0 10px;align-items:center}
.ctr{font-variant-numeric:tabular-nums;font-weight:700;font-size:20px;min-width:64px;text-align:center}
.puz{--cw:clamp(20px,calc((100vw - 46px)/14 - 2px),36px);width:100%;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 8px 10px;min-height:250px;display:flex;flex-direction:column;justify-content:center;gap:6px}
.ln{display:flex;flex-wrap:wrap;justify-content:center;column-gap:calc(var(--cw)*.55);row-gap:10px}
.ln.au{margin-top:6px}.ln.au .w:first-child .p{align-self:flex-end;line-height:1.35;font-size:calc(var(--cw)*.56)}
.w{display:inline-flex;flex-wrap:wrap;flex-shrink:0;max-width:100%;gap:2px;align-items:flex-end}
.c{all:unset;box-sizing:border-box;scroll-margin:12px 0 200px;width:var(--cw);display:flex;flex-direction:column;align-items:center;cursor:pointer;border-radius:6px;padding:2px 0 1px;-webkit-tap-highlight-color:transparent;touch-action:manipulation}
.c .g{display:block;width:100%;height:calc(var(--cw)*1.1);line-height:calc(var(--cw)*1.1);text-align:center;font-weight:700;font-size:calc(var(--cw)*.78);color:var(--acc);border-bottom:2px solid var(--ink)}
.c .k{display:block;font-size:calc(var(--cw)*.56);line-height:1.35;color:var(--mut);font-weight:600;letter-spacing:.02em}
.p{font-size:calc(var(--cw)*.78);font-weight:700;line-height:calc(var(--cw)*1.1);align-self:flex-start;padding:2px 0 0;min-width:calc(var(--cw)*.3);text-align:center}
.c.on{background:var(--accl)}
.c.cur{background:#d9cff8;outline:2px solid var(--acc);outline-offset:0}
.c:focus-visible{outline:3px solid var(--acc)}
.c.lk .g{color:var(--ink)}
.c.bad .g{color:var(--bad);background:var(--badl)}
.puz.solved{border-color:var(--ok);box-shadow:0 0 0 2px #d4efdf}
.puz.solved .c .g{color:var(--ok)}
.status{min-height:52px;margin:8px 0 4px;text-align:center;font-size:17px;max-width:620px}
.kbw{position:sticky;bottom:0;z-index:3;width:100%;background:var(--bg);padding:6px 0 8px;border-top:1px solid transparent}
.kb{display:flex;flex-direction:column;gap:6px;align-items:center;max-width:560px;margin:0 auto;user-select:none;-webkit-user-select:none}
.kb div{display:flex;gap:5px;width:100%;justify-content:center}
.kb button{all:unset;box-sizing:border-box;flex:1 1 0;max-width:50px;height:50px;border-radius:8px;background:#e6e3ec;color:var(--ink);font-weight:700;font-size:19px;display:flex;align-items:center;justify-content:center;cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent}
.kb button:active{background:#d3cfe0}.kb button:focus-visible{outline:2px solid var(--acc)}
.kb button.used{background:#cfc6ef;color:var(--accd)}
.kb button.wide{flex:1.6 1 0;max-width:80px;font-size:15px}
.tools2{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:10px}
.result{width:100%;max-width:680px;margin:16px auto 0;padding:16px 18px;border:1px solid var(--line);border-radius:14px;background:var(--card);text-align:center}
.result .rq{font-size:21px;line-height:1.45;margin:0 0 6px;font-family:Georgia,"Times New Roman",serif}
.result .ra{font-weight:700;margin:0 0 4px}.result .rs{color:var(--mut);font-size:15px;margin:0 0 8px}.result .rt{margin:8px 0}
.copied{color:var(--mut);font-size:15px;min-height:22px;white-space:pre-line}
#statwrap{width:100%;max-width:680px;text-align:center}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.stats div{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:8px 4px}
.stats b{display:block;font-size:22px;font-variant-numeric:tabular-nums}.stats span{font-size:14px;color:var(--mut)}
.best{color:var(--mut);font-size:15px;text-align:center;min-height:24px;margin:4px 0 0}
.help{max-width:720px;margin:26px auto 0}
.help ul,.prose ul,.prose ol{padding-left:22px}
.dnav{display:flex;justify-content:space-between;width:100%;max-width:680px;margin:0 0 8px;font-size:16px;min-height:26px}
.alist{list-style:none;padding:0;margin:10px auto;max-width:560px;min-height:200px}
.alist li{display:flex;justify-content:space-between;gap:10px;padding:10px 4px;border-bottom:1px solid var(--line)}
.tg{font-size:14px;color:var(--mut)}.tg.ok{color:var(--ok);font-weight:600}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin:12px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px}
.card h3{margin:0 0 6px}.card p{margin:0 0 10px;font-size:16px;color:var(--mut)}
.tf{display:grid;gap:12px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;max-width:720px;margin:0 auto}
.tf label{display:grid;gap:4px;font-size:16px;font-weight:600}
.tf textarea{min-height:120px;padding:10px 12px;cursor:text;line-height:1.45;resize:vertical;display:block;width:100%}
.tf input{cursor:text;width:100%}.tf .row{display:flex;flex-wrap:wrap;gap:12px;align-items:end}
.tf .chk{display:flex;align-items:center;gap:8px;font-weight:400}.tf .chk input{width:22px;min-height:22px}
.err{color:var(--bad);min-height:24px;margin:0}
.ex{font-family:ui-monospace,"Courier New",monospace;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:10px 12px;overflow-x:auto}
.prose table{border-collapse:collapse;margin:8px 0 14px}.prose td,.prose th{border:1px solid var(--line);padding:6px 10px;text-align:left}
footer{border-top:1px solid var(--line);background:var(--card);font-size:15px;color:var(--mut);padding:18px 0 90px}
footer ul{list-style:none;padding:0;margin:0 0 10px;display:flex;flex-wrap:wrap;gap:6px 16px}
footer p{margin:6px 0}
.cookie{position:fixed;left:10px;right:10px;bottom:10px;z-index:9;max-width:620px;margin:0 auto;background:var(--ink);color:#fff;border-radius:12px;padding:12px 14px;display:flex;gap:12px;align-items:center;font-size:15px;box-shadow:0 6px 24px rgba(0,0,0,.25)}
.cookie[hidden]{display:none}.cookie p{margin:0}.cookie a{color:#d7ccff}
.printkey{display:none}
.ttitle{display:none}
/* projector */
body.proj .top,body.proj footer,body.proj .help,body.proj h1,body.proj .lead,body.proj .cookie,body.proj .tf,body.proj .tshare,body.proj .tools2 .hide-proj{display:none}
body.proj{--ink:#000;--mut:#333;--acc:#3a1fa8;--line:#555;background:#fff}
body.proj main{padding-top:8px}
body.proj .game{max-width:none;width:100%}
body.proj main.wrap{max-width:none}body.proj .puz{--cw:clamp(28px,min(calc((100vw - 60px)/16),7vh),72px);border:0;min-height:0}
body.proj .c .k{color:#222}
body.proj .ttitle{display:block;font-size:34px;font-weight:700;text-align:center;margin:0 0 8px}
body.proj .status{font-size:22px}
@media (max-width:699px){.cookie{top:8px;bottom:auto;font-size:14px;padding:10px 12px}}
@media (min-width:700px){.c{scroll-margin:12px}.puz{--cw:clamp(26px,calc((100vw - 80px)/24),36px);padding:20px 14px 16px}.kb button{height:46px}.kbw{position:static}footer{padding-bottom:24px}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}
@media print{
 @page{margin:14mm}
 body{background:#fff;font-size:12pt}
 .top,footer,.kbw,.bar,.tools2,.status,.help,.cookie,.result,#statwrap,.tf,.tshare,.dnav,.skip,.lead,.best,.noprint{display:none!important}
 .puz{--cw:30px;border:0;padding:0;min-height:0}
 .c{background:none!important;outline:0!important}.c .g{color:#000!important;background:none!important}
 .c:not(.gv) .g{color:transparent!important}
 .c .k{color:#000}
 .ttitle,.printonly{display:block!important}
 h1{font-size:18pt}
 .printkey{display:block;break-before:page;page-break-before:always}
}
body.ld .help,body.ld footer,body.ld .game>.status,body.ld .game>.kbw,body.ld .game>.tools2,body.ld .game~*,body.ld .tf~*{visibility:hidden}