/* WordTip — word puzzle solver
   Palette: warm paper + ink, tile colours follow the universal green/yellow/grey
   convention because players already read them that way. */
:root{
  --paper:#FCFAF6; --card:#FFFFFF; --sunk:#F3EFE7; --raise:#EAE4D8;
  --ink:#21201C; --ink-2:#4A4740; --muted:#7A766D;
  --line:#E3DED4; --line-2:#CFC7B8;
  --accent:#1F5F4E; --accent-soft:#E4EEEA; --on-accent:#FFFFFF;
  --gold:#8A6420; --gold-soft:#F7EFDE;
  --tile-g:#5E9C57; --tile-y:#BFA13F; --tile-x:#7C7E80; --tile-0:#FFFFFF;
  --shadow:0 1px 2px rgba(33,32,28,.06), 0 4px 14px rgba(33,32,28,.05);
  --serif:"Fraunces",Georgia,"Times New Roman",serif;
  --sans:"Public Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#16150F; --card:#1E1D17; --sunk:#252319; --raise:#2E2B20;
  --ink:#F0EDE4; --ink-2:#C3BEB0; --muted:#8D887B;
  --line:#312E24; --line-2:#443F32;
  --accent:#69B49C; --accent-soft:#1B2B26; --on-accent:#12211C;
  --gold:#D6AC63; --gold-soft:#2A2214;
  --tile-g:#4F8949; --tile-y:#A98D36; --tile-x:#5C5E60; --tile-0:#1E1D17;
  --shadow:0 1px 2px rgba(0,0,0,.3), 0 4px 16px rgba(0,0,0,.25);
}}
:root[data-theme="dark"]{
  --paper:#16150F; --card:#1E1D17; --sunk:#252319; --raise:#2E2B20;
  --ink:#F0EDE4; --ink-2:#C3BEB0; --muted:#8D887B;
  --line:#312E24; --line-2:#443F32;
  --accent:#69B49C; --accent-soft:#1B2B26; --on-accent:#12211C;
  --gold:#D6AC63; --gold-soft:#2A2214;
  --tile-g:#4F8949; --tile-y:#A98D36; --tile-x:#5C5E60; --tile-0:#1E1D17;
  --shadow:0 1px 2px rgba(0,0,0,.3), 0 4px 16px rgba(0,0,0,.25);
}

*{box-sizing:border-box}
html{color-scheme:light dark}
body{margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:16.5px;line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:var(--serif);font-weight:600;margin:0;text-wrap:balance;letter-spacing:-.01em}
a{color:var(--accent)}
.wrap{max-width:1140px;margin:0 auto;padding:0 20px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- masthead ---------- */
.top{border-bottom:1px solid var(--line);background:var(--card)}
.topin{display:flex;align-items:center;gap:16px;padding:14px 0;flex-wrap:wrap}
.brand{font-family:var(--serif);font-size:25px;font-weight:600;letter-spacing:-.02em;
  display:flex;align-items:baseline;gap:2px}
.brand b{color:var(--accent);font-weight:600}
.tagline{color:var(--muted);font-size:14.5px;margin-left:2px}
.themebtn{margin-left:auto;font:inherit;font-size:13.5px;padding:6px 12px;cursor:pointer;
  background:var(--sunk);color:var(--ink-2);border:1px solid var(--line-2);border-radius:6px}
.themebtn:hover{border-color:var(--accent);color:var(--accent)}
.subnav{border-bottom:1px solid var(--line);background:var(--card)}
.subnav .wrap{display:flex;gap:4px;flex-wrap:wrap;padding:7px 20px}
.subnav a{font-size:14px;padding:6px 12px;border-radius:7px;text-decoration:none;
  color:var(--ink-2);font-weight:600}
.subnav a:hover{color:var(--accent);background:var(--sunk)}

/* ---------- hero ---------- */
.hero{padding:26px 0 6px}
.hero h1{font-size:clamp(26px,3.6vw,38px);line-height:1.14;max-width:20ch}
.hero p{color:var(--ink-2);max-width:60ch;margin:12px 0 0;font-size:17px}

/* ---------- length picker ---------- */
.lenbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:22px 0 18px}
.lenbar .lb{font-size:13px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);
  font-family:var(--mono);margin-right:4px}
.len{font:inherit;font-family:var(--mono);font-size:14.5px;width:38px;height:36px;cursor:pointer;
  background:var(--card);color:var(--ink-2);border:1px solid var(--line-2);border-radius:7px}
.len:hover{border-color:var(--accent);color:var(--accent)}
.len[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:var(--on-accent);font-weight:600}

/* ---------- layout ---------- */
.cols{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:20px;align-items:start;padding-bottom:36px}
.cols.stack{grid-template-areas:"guesses results" "best results" "filters results"}
.cols.stack>section:nth-child(1){grid-area:guesses}
.cols.stack>section:nth-child(2){grid-area:best}
.cols.stack>section:nth-child(3){grid-area:filters}
.cols.stack>section:nth-child(4){grid-area:results}
@media (max-width:900px){.cols{grid-template-columns:1fr}
.cols.stack{grid-template-areas:"guesses" "results" "best" "filters"}}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}
.card+.card{margin-top:16px}
.chead{display:flex;align-items:baseline;gap:10px;padding:15px 18px 0}
.chead h2{font-size:17px}
.chead .hint{font-size:13px;color:var(--muted);margin-left:auto}
.cbody{padding:14px 18px 18px}

/* ---------- guess rows ---------- */
.rows{display:flex;flex-direction:column;gap:9px}
.row{display:flex;gap:8px;align-items:center}
.tiles{display:flex;gap:6px;flex-wrap:wrap}
.tile{width:50px;height:56px;border-radius:8px;border:2px solid var(--line-2);background:var(--tile-0);
  color:var(--ink);font-family:var(--sans);font-size:24px;font-weight:700;text-transform:uppercase;
  text-align:center;padding:0;cursor:pointer;transition:background .12s,border-color .12s,color .12s;
  display:flex;align-items:center;justify-content:center;user-select:none}
.tile input{all:unset;width:100%;height:100%;text-align:center;text-transform:uppercase;
  font:inherit;color:inherit;caret-color:var(--accent)}
.tile[data-m="2"]{background:var(--tile-g);border-color:var(--tile-g);color:#fff}
.tile[data-m="1"]{background:var(--tile-y);border-color:var(--tile-y);color:#fff}
.tile[data-m="0"].filled{background:var(--tile-x);border-color:var(--tile-x);color:#fff}
.tile:focus-within{outline:3px solid var(--accent);outline-offset:2px}
.rowdel{font:inherit;font-size:19px;line-height:1;width:32px;height:32px;cursor:pointer;color:var(--muted);
  background:transparent;border:1px solid transparent;border-radius:6px}
.rowdel:hover{color:var(--tile-x);border-color:var(--line-2);background:var(--sunk)}
.rowhelp{font-size:13.5px;color:var(--muted);margin:12px 0 0}
.rowhelp b{color:var(--ink-2);font-weight:600}
.btns{display:flex;gap:9px;flex-wrap:wrap;margin-top:14px}
.btn{font:inherit;font-size:14.5px;padding:9px 16px;cursor:pointer;border-radius:8px;
  background:var(--sunk);color:var(--ink);border:1px solid var(--line-2)}
.btn:hover{border-color:var(--accent);color:var(--accent)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--on-accent);font-weight:600}
.btn.primary:hover{filter:brightness(1.08);color:var(--on-accent)}
.btn:focus-visible,.len:focus-visible,.themebtn:focus-visible,input:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

/* ---------- extra filters ---------- */
.filters{display:grid;gap:13px}
.field label{display:block;font-family:var(--mono);font-size:12px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.field input[type=text]{width:100%;font-family:var(--mono);font-size:16px;letter-spacing:.08em;
  padding:10px 12px;background:var(--sunk);color:var(--ink);border:1px solid var(--line-2);border-radius:8px;
  text-transform:lowercase}
.field .fh{font-size:12.5px;color:var(--muted);margin-top:5px}

/* ---------- best guess ---------- */
.best{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.bestword{font-family:var(--sans);font-size:30px;font-weight:700;letter-spacing:.06em;
  text-transform:uppercase;color:var(--accent)}
.bestmeta{font-size:13.5px;color:var(--ink-2);max-width:34ch}
.bestmeta .n{font-family:var(--mono);font-weight:600;color:var(--ink)}
.alts{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px}
.alt{font-family:var(--mono);font-size:13px;padding:4px 9px;border-radius:6px;background:var(--sunk);
  color:var(--ink-2);border:1px solid var(--line);cursor:pointer}
.alt:hover{border-color:var(--accent);color:var(--accent)}

/* ---------- results ---------- */
.rescount{display:flex;align-items:baseline;gap:8px;padding:15px 18px 0}
.rescount .n{font-family:var(--mono);font-size:26px;font-weight:600;letter-spacing:-.02em}
.rescount .l{font-size:14px;color:var(--muted)}
.reslist{display:flex;flex-wrap:wrap;gap:6px;padding:13px 18px 18px;max-height:560px;overflow-y:auto}
.w{font-family:var(--mono);font-size:15.5px;letter-spacing:.04em;padding:5px 10px;border-radius:6px;
  background:var(--sunk);color:var(--ink);border:1px solid var(--line)}
.w.common{background:var(--accent-soft);border-color:transparent;color:var(--accent);font-weight:600}
.more{width:100%;font-size:13.5px;color:var(--muted);padding-top:6px}
.empty{padding:6px 18px 20px;color:var(--muted);font-size:14.5px}
.legend{display:flex;gap:16px;flex-wrap:wrap;padding:0 18px 16px;font-size:12.5px;color:var(--muted)}
.legend i{display:inline-block;width:11px;height:11px;border-radius:3px;margin-right:5px;vertical-align:-1px}

/* ---------- keyboard ---------- */
.kb{display:flex;flex-direction:column;gap:6px;padding:0 18px 18px}
.kbrow{display:flex;gap:5px;justify-content:center}
.k{font-family:var(--sans);font-size:13.5px;font-weight:600;min-width:30px;height:38px;padding:0 6px;
  border-radius:6px;border:1px solid var(--line-2);background:var(--sunk);color:var(--ink-2);
  display:flex;align-items:center;justify-content:center;text-transform:uppercase}
.k[data-s="2"]{background:var(--tile-g);border-color:var(--tile-g);color:#fff}
.k[data-s="1"]{background:var(--tile-y);border-color:var(--tile-y);color:#fff}
.k[data-s="0"]{background:var(--tile-x);border-color:var(--tile-x);color:#fff;opacity:.75}

/* ---------- prose ---------- */
.prose{padding:8px 0 60px;max-width:70ch}
.prose h2{font-size:22px;margin:38px 0 12px}
.prose h3{font-size:17px;margin:22px 0 6px}
.prose p{color:var(--ink-2);margin:0 0 12px}
.prose ul{color:var(--ink-2);padding-left:22px;margin:0 0 14px}
.prose li{margin-bottom:6px}
.prose code{font-family:var(--mono);font-size:14px;background:var(--sunk);padding:2px 6px;border-radius:4px;color:var(--ink)}
footer{border-top:1px solid var(--line);padding:22px 0 44px;color:var(--muted);font-size:13.5px;line-height:1.7}
footer b{color:var(--ink-2);font-weight:600}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
@media (max-width:520px){
  .tile{width:44px;height:50px;font-size:21px}
  body{font-size:16px}
}

/* ---------- generated pattern pages ---------- */
.crumb{font-size:13.5px;color:var(--muted);padding:18px 0 0}
.crumb a{color:var(--muted);text-decoration:none}
.crumb a:hover{color:var(--accent);text-decoration:underline}
.crumb span{margin:0 7px;opacity:.6}
.pghead{padding:14px 0 4px;max-width:74ch}
.pghead h1{font-size:clamp(25px,3.4vw,35px);line-height:1.16}
.pgcount{display:flex;align-items:baseline;gap:9px;margin:14px 0 0}
.pgcount .n{font-family:var(--mono);font-size:30px;font-weight:600;letter-spacing:-.02em;color:var(--accent)}
.pgcount .l{color:var(--muted);font-size:15px}
.pghead p{color:var(--ink-2);margin:12px 0 0}
.cta{display:inline-flex;align-items:center;gap:9px;margin:20px 0 6px;font-size:15px;font-weight:600;
  text-decoration:none;padding:11px 18px;border-radius:9px;background:var(--accent);color:var(--on-accent)}
.cta:hover{filter:brightness(1.08)}
.cta .arw{font-size:17px;line-height:1}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:10px;overflow:hidden;margin:22px 0 6px}
.facts>div{background:var(--card);padding:13px 15px}
.facts .fk{font-family:var(--mono);font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}
.facts .fv{font-family:var(--mono);font-size:19px;font-weight:600;margin-top:4px;letter-spacing:-.01em}
.wordbox{background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);
  padding:18px;margin:22px 0}
.pagelist{display:flex;flex-wrap:wrap;gap:6px}
.pagelist .w{font-family:var(--mono);font-size:15.5px;letter-spacing:.04em;padding:5px 10px;border-radius:6px;
  background:var(--sunk);color:var(--ink);border:1px solid var(--line)}
.pagelist .w.common{background:var(--accent-soft);border-color:transparent;color:var(--accent);font-weight:600}
.subhead{font-family:var(--mono);font-size:11.5px;letter-spacing:.09em;text-transform:uppercase;
  color:var(--muted);margin:0 0 11px}
.subhead+.pagelist{margin-bottom:20px}
.related{margin:34px 0 0}
.related h2{font-size:19px;margin-bottom:12px}
.relgrid{display:flex;flex-wrap:wrap;gap:8px}
.relgrid a{font-size:14px;padding:7px 13px;border-radius:8px;text-decoration:none;
  background:var(--card);color:var(--ink-2);border:1px solid var(--line-2)}
.relgrid a:hover{border-color:var(--accent);color:var(--accent)}
.hubsec{margin:30px 0 0}
.hubsec h2{font-size:19px;margin-bottom:4px}
.hubsec p{color:var(--muted);font-size:14px;margin:0 0 12px}
.w .pts{font-size:11px;color:var(--muted);margin-left:6px;font-weight:400;letter-spacing:0}
.w.common .pts{color:var(--accent)}
.ugroup{width:100%;margin-bottom:6px}
.toolrow{display:flex;flex-wrap:wrap;gap:14px;align-items:end}
.toolrow .field{flex:1 1 150px;margin:0}
.sel{font-family:var(--mono);font-size:15px;letter-spacing:.04em;padding:10px 11px;
  border:1px solid var(--line-2);border-radius:8px;background:var(--card);color:inherit}