:root{
  --paper:#f7f4ec; --paper-2:#fffdf8; --ink:#101a1e; --ink-3:#5d6b70;
  --line:#c9c2b2; --sel:#ffcf3f; --word:#cfe0f2; --r:6px;
  --serif:"Times New Roman",Times,serif;
  --sans:"Arial Narrow","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.5 var(--serif)}
a{color:inherit}
header{padding:26px 18px 14px;text-align:center;border-bottom:1px solid var(--line)}
h1{margin:0;font-size:clamp(30px,7vw,54px);font-weight:700;letter-spacing:.04em}
.sub{margin-top:6px;font:500 13px var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3)}
nav{margin-top:12px;font:500 12px var(--sans);letter-spacing:.14em;text-transform:uppercase}
nav a{margin:0 10px;color:var(--ink-3);text-decoration:none}
nav a.on{color:var(--ink);border-bottom:2px solid var(--ink)}
main{max-width:1040px;margin:0 auto;padding:22px 18px 60px}
.wrap{display:flex;gap:26px;align-items:flex-start;flex-wrap:wrap;justify-content:center}
table.grid{border-collapse:collapse;background:#000}
table.grid td{width:54px;height:54px;border:1px solid #000;background:var(--paper-2);position:relative;
  text-align:center;font:600 29px/54px system-ui,sans-serif;cursor:pointer;user-select:none}
table.grid td.blk{background:#000;cursor:default}
table.grid td.word{background:var(--word)}
table.grid td.cur{background:var(--sel);box-shadow:inset 0 0 0 3px var(--ink)}
table.grid td b{position:absolute;top:2px;left:3px;font:400 12px/1 system-ui,sans-serif;color:var(--ink-3)}
table.grid td.bad{color:#b3261e}
table.grid td.ok{color:#1d6b4f}
.side{width:min(460px,94vw)}
.banner{background:var(--sel);border:1px solid var(--line);border-radius:var(--r);padding:11px 14px;
  font-size:17px;font-weight:700;min-height:46px}
.banner b{font:700 12px var(--sans);letter-spacing:.06em;margin-right:8px}
.cols{display:flex;gap:16px;margin-top:12px}
.col{flex:1;min-width:0}
.col h2{font:700 11px var(--sans);letter-spacing:.18em;margin:0 0 6px;padding-bottom:5px;border-bottom:1px solid var(--ink)}
.col ol{list-style:none;margin:0;padding:0;max-height:54vh;overflow:auto}
.col li{display:flex;gap:6px;padding:3px 4px;border-radius:4px;cursor:pointer;font-size:14px}
.col li span{font:700 12px var(--sans);min-width:20px;text-align:right}
.col li i{font-style:normal}
.col li.on{background:var(--word)}
.col li.cur{background:var(--sel);font-weight:700}
.col li.feat i{font-weight:700}
.col li.done i{text-decoration:line-through;opacity:.45}
.col li.done span{opacity:.45}
.bar{display:flex;gap:6px;flex-wrap:wrap;margin-top:14px;align-items:center}
button{font:12px var(--sans);padding:7px 11px;border:1px solid var(--ink);background:var(--paper-2);
  border-radius:var(--r);cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent}
button:hover{background:var(--word)}
button.primary{background:var(--ink);color:var(--paper-2)}
.time{margin-left:auto;font:13px ui-monospace,monospace;color:var(--ink-3)}
.done-note{margin-top:12px;padding:10px 12px;border:1px solid var(--ink);border-radius:var(--r);
  background:#dff0e6;display:none}
input[type=email],input[type=text]{font:16px var(--serif);padding:9px 11px;border:1px solid var(--ink);
  border-radius:var(--r);background:var(--paper-2);width:260px;max-width:100%}
.gate{max-width:460px;margin:40px auto;text-align:center}
.gate p{color:var(--ink-3);font-size:15px}
.gate .row{display:flex;gap:8px;justify-content:center;margin-top:14px;flex-wrap:wrap}
.msg{margin-top:10px;font-size:14px;min-height:20px}
.msg.bad{color:#b3261e}
.list{list-style:none;padding:0;margin:18px 0}
.list li{display:flex;align-items:center;gap:12px;padding:11px 12px;border:1px solid var(--line);
  border-radius:var(--r);background:var(--paper-2);margin-bottom:8px}
.list .n{font:700 13px var(--sans);color:var(--ink-3);min-width:52px}
.list .t{flex:1}
.list .lock{font:500 11px var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
footer{border-top:1px solid var(--line);padding:20px;text-align:center;font:500 11px var(--sans);
  letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
@media(max-width:1100px){table.grid td{width:46px;height:46px;font:600 25px/46px system-ui,sans-serif}}
@media(max-width:820px){table.grid td{width:min(12vw,46px);height:min(12vw,46px);
  font-size:min(6.4vw,25px);line-height:min(12vw,46px)}}

/* ---------- front page ---------- */
.front{max-width:720px;margin:0 auto;padding:56px 20px 40px;text-align:center}
.big{font-size:clamp(46px,11vw,96px);margin:0;letter-spacing:.02em}
.tag{margin:6px 0 34px;font:500 14px var(--sans);letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3)}
.bigbtn{display:inline-block;background:var(--ink);color:var(--paper-2);text-decoration:none;
  padding:16px 30px;border-radius:var(--r);font:600 17px var(--sans);letter-spacing:.04em}
.bigbtn:hover{background:#22343a}
.bigbtn.small{padding:10px 18px;font-size:14px}
.play{margin:0}
.nosignup{margin:12px 0 40px;font-size:14px;color:var(--ink-3)}
.signup{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:26px 10px;margin:0 0 30px}
.signup h2,.last h2{font:700 12px var(--sans);letter-spacing:.18em;text-transform:uppercase;margin:0 0 8px}
.signup .row{display:flex;gap:8px;justify-content:center;margin-top:14px;flex-wrap:wrap}
.fine{font-size:12.5px;color:var(--ink-3)}
.middle{text-align:center;color:var(--ink-3)}

/* ---------- slim header on inner pages ---------- */
header.slim{display:flex;align-items:baseline;gap:14px;padding:14px 20px;border-bottom:1px solid var(--line)}
header.slim .mark{font:700 22px var(--serif);letter-spacing:.03em;text-decoration:none}
header.slim .sub{font:500 12px var(--sans);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
header.slim .who{margin-left:auto;font:500 11px var(--sans);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3)}

/* ---------- the clock ---------- */
.clock{display:flex;align-items:center;gap:14px;justify-content:center;margin:6px 0 18px;flex-wrap:wrap}
.clock .t{font:700 40px ui-monospace,Menlo,monospace;letter-spacing:.04em;line-height:1}
.clock.paused .t{opacity:.4}
.clock .pause{padding:6px 10px;font-size:12px}
.clock .best,.clock .savenote{font:500 11px var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.done-note{display:none;margin-top:14px;padding:12px 14px;border:1px solid var(--ink);
  border-radius:var(--r);background:#dff0e6}

/* ---------- tables and cards ---------- */
.cards{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 30px}
.card{flex:1 1 130px;border:1px solid var(--line);border-radius:var(--r);background:var(--paper-2);padding:14px}
.card b{display:block;font:700 26px var(--serif)}
.card span{font:500 11px var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
table.stats{width:100%;border-collapse:collapse;margin:10px 0 26px;font-size:14px}
table.stats th{font:700 11px var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);
  text-align:left;border-bottom:1px solid var(--ink);padding:7px 8px}
table.stats td{padding:7px 8px;border-bottom:1px solid var(--line)}
.rules{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin:10px 0}
.rules label{font-size:14px}
.rules input[type=number]{width:70px}
.gate h2{font:700 12px var(--sans);letter-spacing:.18em;text-transform:uppercase}


/* ---------- the hidden field that raises a phone keyboard ---------- */
#ghost{position:fixed;top:-100px;left:-100px;width:54px;height:54px;opacity:.01;border:0;padding:0;
  margin:0;background:transparent;color:transparent;caret-color:transparent;font-size:16px;
  z-index:3;-webkit-appearance:none;appearance:none;outline:none;border-radius:0;touch-action:manipulation}

button.quiet{border-color:var(--line);color:var(--ink-3)}

/* ---------- phones: grid and current clue stay put, clues scroll ---------- */
@media(max-width:820px){
  main{padding:8px 8px 30px}
  .clock{margin:2px 0 8px;gap:10px}
  .clock .t{font-size:30px}
  .clock .savenote{display:none}
  .wrap{display:block}
  .gridwrap{position:sticky;top:0;z-index:5;background:var(--paper);
    padding:6px 0 4px;display:flex;justify-content:center}
  .side{width:100%}
  .banner{position:sticky;top:calc(6px + 12.6vw * var(--rows,7));z-index:4;margin-top:6px;
    font-size:16px;min-height:0;padding:9px 12px}
  .bar{position:sticky;top:0;z-index:6;background:var(--paper);padding:6px 0;margin-top:4px;
    gap:5px;justify-content:center}
  .bar button{padding:8px 10px;font-size:11.5px}
  .cols{display:block;margin-top:10px}
  .col{margin-bottom:14px}
  .col ol{max-height:none;overflow:visible}
  .col li{padding:7px 6px;font-size:15px}
  table.grid td{width:min(12.6vw,54px);height:min(12.6vw,54px);
    font-size:min(6.6vw,28px);line-height:min(12.6vw,54px)}
  table.grid td b{font-size:9px;top:1px;left:2px}
}


/* ---------- paused: the board goes behind a curtain ---------- */
.curtain{display:none}
.hidden-board{position:relative}
.hidden-board .wrap{filter:blur(9px);opacity:.25;pointer-events:none;user-select:none}
.hidden-board .curtain{display:flex;position:absolute;inset:0;align-items:center;justify-content:center;
  z-index:8;cursor:pointer}
.hidden-board .curtain span{background:var(--paper-2);border:1px solid var(--ink);border-radius:var(--r);
  padding:14px 22px;font:600 13px var(--sans);letter-spacing:.12em;text-transform:uppercase}


/* ---------- home page: the generated grid behind everything ---------- */
body.home{min-height:100vh}
#bg{position:fixed;top:0;left:0;width:100%;height:100%;display:block;z-index:-1;pointer-events:none}
body.home .front{max-width:640px;padding:9vh 20px 40px}
.panel{background:rgba(247,244,236,.86);backdrop-filter:blur(3px);
  border:1px solid var(--line);border-radius:10px;padding:34px 26px 28px;
  box-shadow:0 18px 50px rgba(16,26,30,.10)}
.panel.thin{margin-top:16px;padding:18px 22px}
.panel.thin h2{font:700 11px var(--sans);letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-3);margin:0 0 4px}
.panel.thin p{margin:2px 0}
.pitch{color:var(--ink-3);font-size:15px;margin:0 0 4px}
.signup .row{margin-top:16px}
button.primary.big{padding:12px 20px;font-size:14px}
input[type=email]{width:250px}
.skip{margin:16px 0 0;font-size:14px}
.skip a{color:var(--ink-3);text-decoration:underline;text-underline-offset:3px}
.skip a:hover{color:var(--ink)}
body.home footer{border-top:0;background:transparent}
footer a{text-decoration:underline;text-underline-offset:3px}
@media(max-width:820px){
  body.home .front{padding:5vh 12px 30px}
  .panel{padding:26px 18px 22px}
  input[type=email]{width:100%}
  .signup .row{flex-direction:column}
  .signup .row button{width:100%}
}


/* ---------- the sign-up prompt after a finish ---------- */
.modal{position:fixed;inset:0;background:rgba(16,26,30,.45);display:flex;align-items:center;
  justify-content:center;z-index:50;padding:18px}
.modal .sheet{background:var(--paper);border:1px solid var(--ink);border-radius:10px;
  padding:26px 24px 20px;max-width:420px;width:100%;text-align:center;
  box-shadow:0 24px 60px rgba(16,26,30,.3)}
.modal h2{font:700 22px var(--serif);margin:0 0 8px}
.modal p{color:var(--ink-3);font-size:14.5px;margin:0}
.modal .row{display:flex;gap:8px;justify-content:center;margin-top:16px;flex-wrap:wrap}
.modal .skip{margin-top:12px;font-size:13px}

/* ---------- phones: the front page fits on one screen ---------- */
@media(max-width:820px){
  body.home .front{padding:14px 14px 20px;max-width:none}
  .panel{padding:20px 16px 16px;border-radius:12px}
  .big{font-size:clamp(38px,13vw,58px)}
  .tag{margin:4px 0 12px;font-size:11.5px;letter-spacing:.12em}
  .pitch{font-size:14px}
  .signup .row{margin-top:12px}
  .skip{margin-top:12px}
  .panel.thin{margin-top:12px;padding:14px 16px}
  body.home footer{padding:14px}
}