/* ============================================================
   Naija Scramble — shared stylesheet for index.html + play.html
   ============================================================ */

:root{
  --paper:#FBF6EA;
  --paper-2:#F3EAD4;
  --ink:#18140C;
  --ink-soft:#5E543F;
  --green:#0B7A3B;
  --green-deep:#08602E;
  --clay:#BE3A11;
  --indigo:#20304F;
  --indigo-ink:#EFE7D2;
  --tile:#EFE3C4;
  --tile-edge:#D6C4998C;
  --line:rgba(24,20,12,.14);
  --shadow:rgba(24,20,12,.18);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#131009;
    --paper-2:#1D1810;
    --ink:#F4ECD7;
    --ink-soft:#A99C7E;
    --green:#33A868;
    --green-deep:#2B8B56;
    --clay:#E6592C;
    --indigo:#243554;
    --indigo-ink:#EFE7D2;
    --tile:#2A2415;
    --tile-edge:#463D26;
    --line:rgba(244,236,215,.16);
    --shadow:rgba(0,0,0,.5);
  }
}
:root[data-theme="dark"]{
  --paper:#131009;
  --paper-2:#1D1810;
  --ink:#F4ECD7;
  --ink-soft:#A99C7E;
  --green:#33A868;
  --green-deep:#2B8B56;
  --clay:#E6592C;
  --indigo:#243554;
  --indigo-ink:#EFE7D2;
  --tile:#2A2415;
  --tile-edge:#463D26;
  --line:rgba(244,236,215,.16);
  --shadow:rgba(0,0,0,.5);
}

*{box-sizing:border-box;margin:0}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:"Inter","Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:subpixel-antialiased;
  -moz-osx-font-smoothing:grayscale;
  letter-spacing:.3px;
  text-rendering:optimizeLegibility;
}
.wrap{max-width:1060px;margin:0 auto;padding:0 24px}
.wrap.narrow{max-width:640px}
h1,h2,h3{font-family:"Poppins",sans-serif;font-weight:800;line-height:1.04;text-wrap:balance;letter-spacing:-.01em;font-size-adjust:.95}
.label{font-family:"JetBrains Mono",ui-monospace,monospace;font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.16em}
:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:3px}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
a{color:inherit}

/* ---- masthead ---- */
.masthead{border-bottom:1px solid var(--line)}
.masthead .wrap{display:flex;align-items:center;justify-content:space-between;padding-top:18px;padding-bottom:18px}
.mark{font-family:"Poppins",sans-serif;font-weight:800;font-size:1.05rem;letter-spacing:.02em;display:flex;gap:.5ch;text-decoration:none}
.mark span{position:relative}
.mark span:nth-child(3n){top:-2px}
.mark span:nth-child(4n){top:2px;color:var(--green)}
.mark .a2{color:var(--clay)}
.nav{display:flex;align-items:center;gap:22px;font-family:"JetBrains Mono",monospace;font-size:.78rem;text-transform:uppercase;letter-spacing:.12em}
.nav a{text-decoration:none;color:var(--ink-soft)}
.nav a:hover{color:var(--ink)}
.nav .play{color:var(--paper);background:var(--green);padding:8px 16px;border-radius:4px;letter-spacing:.1em}
.nav .play:hover{background:var(--green-deep);color:var(--paper)}
@media (max-width:620px){.nav a:not(.play){display:none}}

.soundbtn{display:inline-flex;align-items:center;justify-content:center;width:33px;height:33px;flex-shrink:0;border:1px solid var(--line);border-radius:8px;color:var(--ink-soft);background:transparent;cursor:pointer;padding:0}
.soundbtn:hover{color:var(--ink);border-color:var(--ink-soft)}
.soundbtn.off{color:var(--clay);border-color:color-mix(in srgb,var(--clay) 35%,var(--line))}
.soundbtn svg{display:block}

/* ---- shared buttons ---- */
.cta{background:linear-gradient(135deg,var(--green),#0a6a2f);color:var(--paper);font-family:"JetBrains Mono",monospace;font-size:.82rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em;padding:14px 26px;border-radius:8px;text-decoration:none;display:inline-block;transition:all .2s cubic-bezier(.34,.1,.68,.55);box-shadow:0 4px 12px rgba(11,122,59,.25);position:relative;overflow:hidden}
.cta::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);transition:left .6s}
.cta:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(11,122,59,.35)}
.cta:hover::before{left:100%}
.cta:active{transform:translateY(0);box-shadow:0 2px 8px rgba(11,122,59,.2)}
.ghost{border:1.5px solid var(--line);border-radius:8px;padding:11px 18px;font-family:"JetBrains Mono",monospace;font-size:.74rem;font-weight:600;text-transform:uppercase;letter-spacing:.12em;color:var(--ink-soft);transition:all .2s cubic-bezier(.34,.1,.68,.55);position:relative;overflow:hidden;background:rgba(255,255,255,.02)}
.ghost::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .6s}
.ghost:hover{color:var(--ink);border-color:var(--green);background:rgba(11,122,59,.08);transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.15)}
.ghost:hover::before{left:100%}
.ghost:active{transform:translateY(0);box-shadow:0 2px 6px rgba(0,0,0,.1)}
.ghost:disabled{opacity:.4;cursor:default;transform:none}

/* ---- hero (index) ---- */
.hero{padding:64px 0 56px}
.hero .wrap{display:grid;grid-template-columns:1fr;gap:44px}
@media (min-width:900px){.hero .wrap{grid-template-columns:0.92fr 1.08fr;align-items:center;gap:56px}}
.eyebrow{color:var(--clay);margin-bottom:18px}
.hero h1{font-size:clamp(2.3rem,5.4vw,3.7rem)}
.hero h1 em{font-style:normal;color:var(--green);font-variant-numeric:lining-nums}
.lede{margin-top:20px;max-width:34ch;color:var(--ink-soft);font-size:1.12rem}
.hero-cta{margin-top:28px;display:inline-flex;align-items:center;gap:14px;flex-wrap:wrap}
.hero-cta .note{font-family:"IBM Plex Mono",monospace;font-size:.74rem;color:var(--ink-soft)}

/* ---- board (shared: hero demo + full game) ---- */
.board{background:var(--paper-2);border:1px solid var(--line);border-radius:14px;padding:26px 24px 22px;box-shadow:0 18px 40px -28px var(--shadow)}
.board-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:18px}
.board-top .hint{font-size:1.02rem;color:var(--ink)}
.board-top .hint b{font-family:"IBM Plex Mono",monospace;font-size:.68rem;text-transform:uppercase;letter-spacing:.16em;color:var(--clay);display:block;margin-bottom:3px;font-weight:500}
.board-top .cat{color:var(--ink-soft);white-space:nowrap}

.slots,.pool{display:flex;flex-wrap:wrap;gap:9px}
.slots{margin-bottom:16px;min-height:60px}
.slot{width:52px;height:60px;border-radius:6px;border:1.5px dashed var(--tile-edge);display:grid;place-items:center;background:transparent}
.pool{min-height:60px;padding-top:16px;border-top:1px solid var(--line)}

.tile{
  width:52px;height:60px;border-radius:6px;
  background:var(--tile);
  border:1px solid var(--tile-edge);
  box-shadow:0 3px 0 var(--tile-edge), 0 6px 12px -6px var(--shadow);
  font-family:"Poppins",sans-serif;font-weight:800;font-size:1.5rem;
  color:var(--ink);
  position:relative;display:grid;place-items:center;
  transition:transform .12s ease, box-shadow .12s ease;
  animation:drop .34s cubic-bezier(.2,.9,.3,1.2) both;
}
.pool .tile:hover{transform:translateY(-3px)}
.pool .tile:active{transform:translateY(0)}
.tile .val{position:absolute;right:5px;bottom:3px;font-family:"JetBrains Mono",monospace;font-size:.6rem;font-weight:600;color:var(--clay)}
.slot .tile{animation:none;box-shadow:0 2px 0 var(--tile-edge)}
.board.solved .slot .tile{background:var(--green);border-color:var(--green-deep);color:var(--paper);box-shadow:0 3px 0 var(--green-deep)}
.board.solved .slot .tile .val{color:var(--paper)}
.slots.wrong{animation:shake .4s ease}

@keyframes drop{from{opacity:0;transform:translateY(-16px) rotate(-5deg)}to{opacity:1;transform:none}}
@keyframes shake{10%,90%{transform:translateX(-2px)}30%,70%{transform:translateX(4px)}50%{transform:translateX(-5px)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}

.controls{display:flex;align-items:center;gap:12px;margin-top:20px;flex-wrap:wrap}
.tally{margin-left:auto;font-family:"IBM Plex Mono",monospace;font-size:.9rem;font-weight:600;color:var(--green);font-variant-numeric:tabular-nums}
.feedback{margin-top:12px;min-height:1.5em;font-family:"IBM Plex Mono",monospace;font-size:.82rem;color:var(--ink-soft)}
.feedback.good{color:var(--green)}
.feedback.bad{color:var(--clay)}

/* ---- categories band (index, adire) ---- */
.band{background:var(--indigo);color:var(--indigo-ink);margin-top:8px;
  background-image:radial-gradient(rgba(239,231,210,.14) 1.5px,transparent 1.6px),
    repeating-linear-gradient(45deg,rgba(239,231,210,.05) 0 8px,transparent 8px 16px);
  background-size:26px 26px,auto;}
.band .wrap{padding:52px 24px}
.band h2{font-size:1.15rem;color:var(--indigo-ink)}
.band .label{color:rgba(239,231,210,.6);display:block;margin-bottom:8px}
.cats{margin-top:26px;display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
.cat-card{border:1px solid rgba(239,231,210,.22);border-radius:10px;padding:16px 16px 18px;background:rgba(19,16,9,.16)}
.cat-card h3{font-size:1.05rem;color:var(--indigo-ink);margin-bottom:8px}
.cat-card p{font-family:"IBM Plex Mono",monospace;font-size:.76rem;line-height:1.9;color:rgba(239,231,210,.78);letter-spacing:.04em}

/* ---- how a round plays (index) ---- */
.how{padding:64px 0}
.how .label{color:var(--clay);display:block;margin-bottom:10px}
.how h2{font-size:clamp(1.6rem,3.4vw,2.1rem);max-width:16ch}
.steps{margin-top:34px;display:grid;gap:28px;grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.step{padding-top:16px;border-top:2px solid var(--ink)}
.step .n{font-family:"IBM Plex Mono",monospace;font-size:1.1rem;font-weight:600;color:var(--clay)}
.step h3{margin:8px 0 6px;font-size:1.12rem}
.step p{color:var(--ink-soft);font-size:1rem}

/* ---- daily (index) ---- */
.daily{padding:0 0 72px}
.daily-card{background:var(--paper-2);border:1px solid var(--line);border-radius:14px;padding:32px;display:grid;gap:20px}
@media (min-width:760px){.daily-card{grid-template-columns:1fr auto;align-items:center}}
.daily-card .label{color:var(--clay);display:block;margin-bottom:10px}
.daily-card h2{font-size:clamp(1.5rem,3vw,2rem)}
.daily-card p{color:var(--ink-soft);margin-top:8px;max-width:44ch}
.daily-meta{font-family:"IBM Plex Mono",monospace;font-size:.76rem;color:var(--ink-soft);margin-top:14px;letter-spacing:.06em}
.daily-card .cta{justify-self:start}

/* ---- game page (play) ---- */
.play-main{padding:40px 0 72px}
.play-intro{margin-bottom:22px}
.play-intro .label{color:var(--clay);display:block;margin-bottom:8px}
.play-intro h1{font-size:clamp(1.7rem,4vw,2.3rem)}

.gamebar{display:grid;grid-template-columns:auto 1fr auto;gap:14px 18px;align-items:center;margin-bottom:16px;font-family:"JetBrains Mono",monospace;font-size:.78rem;letter-spacing:.06em;color:var(--ink-soft)}
.gamebar .rnd{white-space:nowrap;text-transform:uppercase}
.gamebar .score{white-space:nowrap;color:var(--green);font-weight:600;font-variant-numeric:tabular-nums}
.progress{height:6px;border-radius:99px;background:var(--line);overflow:hidden}
.progress i{display:block;height:100%;background:var(--green);width:0;transition:width .35s ease}

.timer{font-family:"IBM Plex Mono",monospace;font-variant-numeric:tabular-nums;font-weight:600;font-size:1rem;color:var(--ink);white-space:nowrap}
.timer.low{color:var(--clay);animation:pulse 1s ease-in-out infinite}

.roundnext{margin-top:18px;display:none}
.roundnext.show{display:block}

/* ---- end screen (play) ---- */
.endscreen{text-align:center;padding:8px 0 4px}
.endscreen .label{color:var(--clay);display:block;margin-bottom:12px}
.bigscore{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:clamp(3rem,12vw,4.6rem);line-height:1;color:var(--green);font-variant-numeric:lining-nums}
.bigscore small{display:block;font-size:.9rem;font-family:"IBM Plex Mono",monospace;font-weight:500;color:var(--ink-soft);letter-spacing:.1em;margin-top:8px;text-transform:uppercase}
.result-grid{display:flex;flex-wrap:wrap;gap:7px;justify-content:center;margin:26px 0}
.result-grid i{width:22px;height:22px;border-radius:5px;background:var(--line)}
.result-grid i.got{background:var(--green)}
.scorelist{list-style:none;padding:0;margin:22px auto 0;max-width:360px;text-align:left}
.scorelist li{display:flex;justify-content:space-between;gap:16px;padding:9px 0;border-bottom:1px solid var(--line);font-family:"IBM Plex Mono",monospace;font-size:.82rem}
.scorelist li span:first-child{letter-spacing:.14em}
.scorelist li .miss{color:var(--ink-soft)}
.scorelist li .pts{color:var(--green);font-weight:600}
.endactions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:28px}

/* ---- footer ---- */
footer{border-top:1px solid var(--line)}
footer .wrap{padding:36px 24px;display:flex;flex-wrap:wrap;gap:16px 28px;align-items:center;justify-content:space-between}
footer p{font-family:"IBM Plex Mono",monospace;font-size:.78rem;color:var(--ink-soft);letter-spacing:.04em}
footer nav{display:flex;flex-wrap:wrap;gap:20px;font-family:"IBM Plex Mono",monospace;font-size:.74rem;text-transform:uppercase;letter-spacing:.12em}
footer nav a{color:var(--ink-soft);text-decoration:none}
footer nav a:hover{color:var(--ink)}

/* ---- mode menu (play) ---- */
.modes{display:grid;gap:14px;margin-top:8px;grid-template-columns:1fr}
@media (min-width:560px){.modes{grid-template-columns:repeat(2,1fr)}}
@media (min-width:940px){.modes{grid-template-columns:repeat(4,1fr)}}
.mode-card{text-align:left;border:1px solid var(--line);border-radius:12px;padding:20px 18px 22px;background:var(--paper-2);transition:transform .12s ease,border-color .12s ease;display:flex;flex-direction:column;gap:8px}
.mode-card:hover{transform:translateY(-3px);border-color:var(--ink-soft)}
.mode-card .tag{font-family:"IBM Plex Mono",monospace;font-size:.66rem;text-transform:uppercase;letter-spacing:.16em;color:var(--clay)}
.mode-card h3{font-size:1.15rem}
.mode-card p{font-size:.92rem;color:var(--ink-soft)}
.catlist{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.catlist button{border:1px solid var(--line);border-radius:99px;padding:9px 16px;font-family:"IBM Plex Mono",monospace;font-size:.78rem;letter-spacing:.08em;background:var(--paper-2)}
.catlist button:hover{border-color:var(--ink-soft)}
.backlink{margin-top:22px;display:inline-block;font-family:"IBM Plex Mono",monospace;font-size:.74rem;text-transform:uppercase;letter-spacing:.12em;color:var(--ink-soft);text-decoration:none}
.backlink:hover{color:var(--ink)}

/* ---- stages campaign (play) ---- */
.stagerow{display:flex;flex-direction:column;gap:12px;margin-top:16px}
.stage-item{display:flex;align-items:center;gap:12px 16px;flex-wrap:wrap;text-align:left;border:1px solid var(--line);border-radius:12px;padding:16px 18px;background:var(--paper-2);transition:transform .12s ease,border-color .12s ease}
.stage-item:not(.locked):hover{transform:translateY(-2px);border-color:var(--ink-soft)}
.stage-item.locked{opacity:.5}
.stage-item:disabled{cursor:default}
.stage-item .stage-meta{font-family:"IBM Plex Mono",monospace;font-size:.75rem;color:var(--ink-soft);letter-spacing:.03em}
.stage-item .stage-mark{margin-left:auto;font-family:"IBM Plex Mono",monospace;font-size:.66rem;letter-spacing:.16em;color:var(--ink-soft)}
.stage-item.cleared .stage-mark{color:var(--green)}
.stage-best{margin-top:14px;font-family:"IBM Plex Mono",monospace;font-size:.74rem;color:var(--ink-soft);letter-spacing:.04em}
.badge{font-family:"IBM Plex Mono",monospace;font-size:.68rem;font-weight:600;text-transform:uppercase;letter-spacing:.12em;padding:4px 11px;border-radius:99px;border:1px solid currentColor}
.badge.easy{color:var(--green)}
.badge.diff{color:var(--clay)}
.badge.hard{color:var(--paper);background:var(--clay);border-color:var(--clay)}

/* ---- gamebar extras ---- */
.gamebar .streak{justify-self:start;font-weight:600;color:var(--clay);background:color-mix(in srgb,var(--clay) 16%,transparent);padding:2px 9px;border-radius:99px;letter-spacing:.08em}
.gamebar .reveals{color:var(--ink-soft)}

/* ---- example-sentence hint ---- */
.ex{margin:6px 0 16px;font-style:italic;color:var(--ink-soft);font-size:1rem;line-height:1.5}
.ex b{font-style:normal;font-family:"IBM Plex Mono",monospace;font-size:.86em;letter-spacing:.14em;color:var(--ink);border-bottom:2px solid var(--clay);padding:0 .4ch}

.controls .reveal{color:var(--clay);border-color:color-mix(in srgb,var(--clay) 35%,var(--line))}
.controls .reveal:hover{border-color:var(--clay)}

/* ---- share card (play, end) ---- */
.share-card{font-family:"IBM Plex Mono",monospace;font-size:.8rem;line-height:1.7;background:var(--paper-2);border:1px solid var(--line);border-radius:10px;padding:16px 18px;margin:22px auto 0;max-width:340px;text-align:left;white-space:pre-wrap;letter-spacing:.06em}

/* ---- suggest-a-word form ---- */
.suggest{display:flex;flex-direction:column;gap:18px;margin-top:28px;max-width:440px}
.suggest label{display:flex;flex-direction:column;gap:6px;font-family:"IBM Plex Mono",monospace;font-size:.72rem;text-transform:uppercase;letter-spacing:.12em;color:var(--ink-soft)}
.suggest .req{color:var(--clay)}
.suggest .opt{opacity:.65}
.suggest input,.suggest select{font-family:"Newsreader",Georgia,serif;font-size:1rem;text-transform:none;letter-spacing:0;color:var(--ink);background:var(--paper-2);border:1px solid var(--line);border-radius:8px;padding:11px 13px;width:100%}
.suggest select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink-soft) 50%),linear-gradient(135deg,var(--ink-soft) 50%,transparent 50%);background-position:calc(100% - 18px) calc(1em + 2px),calc(100% - 13px) calc(1em + 2px);background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:38px}
.suggest input:focus,.suggest select:focus{outline:2px solid var(--green);outline-offset:1px;border-color:var(--green)}
.suggest input[name="word"]{text-transform:uppercase;letter-spacing:.08em;font-family:"Bricolage Grotesque",sans-serif;font-weight:700;font-size:1.15rem}
.suggest .cta{align-self:flex-start;border:0;cursor:pointer}
.suggest .cta:disabled{opacity:.55;cursor:default}
.form-note{min-height:1.3em;font-family:"IBM Plex Mono",monospace;font-size:.76rem;color:var(--ink-soft);letter-spacing:.03em}
.form-note.bad{color:var(--clay)}
.thanks{margin-top:28px;max-width:440px}
.thanks h2{font-size:clamp(1.5rem,3.4vw,1.9rem)}
.thanks p{color:var(--ink-soft);margin:12px 0 22px}

/* ---- leaderboard: post block on the Marathon end screen ---- */
.lb-post{display:flex;flex-direction:column;gap:10px;margin:22px auto 0;max-width:340px;text-align:left}
.lb-post label{display:flex;flex-direction:column;gap:6px;font-family:"IBM Plex Mono",monospace;font-size:.72rem;text-transform:uppercase;letter-spacing:.12em;color:var(--ink-soft)}
.lb-post input{font-family:"Newsreader",Georgia,serif;font-size:1rem;color:var(--ink);background:var(--paper-2);border:1px solid var(--line);border-radius:8px;padding:10px 12px}
.lb-post input:focus{outline:2px solid var(--green);outline-offset:1px;border-color:var(--green)}
.lb-post .cta{align-self:flex-start;border:0;cursor:pointer}
.lb-post .cta:disabled{opacity:.55;cursor:default}
.lb-note{font-family:"IBM Plex Mono",monospace;font-size:.76rem;color:var(--clay);min-height:1em}
.lb-note.good{color:var(--green)}
.lb-note a,.lb-list a{color:var(--green)}
.lb-hint{font-family:"Inter",sans-serif;font-size:.85rem;font-weight:600;color:#FFFFFF;margin-top:22px;line-height:1.6;-webkit-font-smoothing:subpixel-antialiased;text-rendering:optimizeLegibility}

/* ---- leaderboard page ---- */
.lb-list{list-style:none;padding:0;margin:26px 0 0;max-width:460px}
.lb-list li{display:grid;grid-template-columns:2.4rem 1fr auto;gap:14px;align-items:baseline;padding:11px 0;border-bottom:1px solid var(--line);font-family:"IBM Plex Mono",monospace;font-size:.9rem}
.lb-list .rk{color:var(--ink-soft);font-variant-numeric:tabular-nums}
.lb-list li.top .rk{color:var(--clay);font-weight:600}
.lb-list .nm{font-family:"Newsreader",Georgia,serif;font-size:1.05rem;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lb-list .sc{color:var(--green);font-weight:600;font-variant-numeric:tabular-nums}
.lb-list li.you{background:color-mix(in srgb,var(--green) 12%,transparent);border-radius:6px;margin:0 -10px;padding-left:10px;padding-right:10px}
.lb-list li.lb-empty{display:block;border:0;color:var(--ink-soft)}
.lb-meta{font-family:"IBM Plex Mono",monospace;font-size:.74rem;color:var(--ink-soft);margin-top:16px;letter-spacing:.04em}

/* ---- weekly airtime challenge ---- */
.challenge{background:var(--indigo);color:var(--indigo-ink);border-radius:14px;padding:26px 28px;margin:24px 0}
.challenge .label{color:#E8A15C;display:block;margin-bottom:10px}
.challenge-lead{font-family:"Bricolage Grotesque",sans-serif;font-weight:700;font-size:1.15rem;line-height:1.4}
.challenge-lead b{color:#FFD27D}
.challenge-meta{font-family:"IBM Plex Mono",monospace;font-size:.75rem;color:var(--indigo-ink);opacity:.75;margin-top:10px;letter-spacing:.05em}
.challenge-last{font-family:"IBM Plex Mono",monospace;font-size:.78rem;color:var(--indigo-ink);opacity:.9;margin-top:14px;padding-top:14px;border-top:1px solid color-mix(in srgb,var(--indigo-ink) 22%,transparent)}
.challenge-last b{color:#FFD27D}
.challenge-claim{display:inline-block;margin-top:16px;color:#FFD27D;border-color:color-mix(in srgb,#FFD27D 45%,transparent);text-decoration:none}
.challenge-claim:hover{border-color:#FFD27D;color:#FFD27D;background:color-mix(in srgb,#FFD27D 14%,transparent)}
.lb-tabs{display:flex;gap:8px;margin-top:4px}
.lb-tab{font-family:"IBM Plex Mono",monospace;font-size:.74rem;text-transform:uppercase;letter-spacing:.1em;padding:8px 16px;border-radius:99px;border:1px solid var(--line);background:transparent;color:var(--ink-soft);cursor:pointer}
.lb-tab.on{background:var(--green);border-color:var(--green);color:var(--paper);font-weight:600}
.lb-tab:not(.on):hover{border-color:var(--ink-soft);color:var(--ink)}
.lb-rules{font-family:"IBM Plex Mono",monospace;font-size:.72rem;color:var(--ink-soft);margin-top:24px;line-height:1.7;max-width:52ch}

/* ---- site-wide promo bar (challenge callout) ---- */
.promo-bar{display:block;background:var(--indigo);color:var(--indigo-ink);text-decoration:none;text-align:center;padding:11px 16px;font-family:"IBM Plex Mono",monospace;font-size:.76rem;letter-spacing:.03em;transition:background .12s ease}
.promo-bar:hover{background:var(--green-deep)}
.promo-bar b{color:#FFD27D;text-transform:uppercase;letter-spacing:.12em;font-weight:600;margin-right:8px}

/* ---- solve payoff (play) ---- */
.board.solved .slot .tile{animation:solvePop .34s cubic-bezier(.2,.9,.3,1.4) both}
.board.solved .slot:nth-child(2) .tile{animation-delay:.04s}
.board.solved .slot:nth-child(3) .tile{animation-delay:.08s}
.board.solved .slot:nth-child(4) .tile{animation-delay:.12s}
.board.solved .slot:nth-child(5) .tile{animation-delay:.16s}
.board.solved .slot:nth-child(6) .tile{animation-delay:.20s}
.board.solved .slot:nth-child(7) .tile{animation-delay:.24s}
.board.solved .slot:nth-child(8) .tile{animation-delay:.28s}
.board.solved .slot:nth-child(9) .tile{animation-delay:.32s}
.board.solved .slot:nth-child(10) .tile{animation-delay:.36s}
@keyframes solvePop{0%{transform:translateY(0) scale(1)}45%{transform:translateY(-8px) scale(1.09)}100%{transform:translateY(0) scale(1)}}
.ex.reveal-word{font-style:normal;color:var(--ink)}
.ex.reveal-word b{color:var(--green);border-bottom-color:var(--green)}
.gamebar .streak.bump{animation:streakBump .4s ease}
@keyframes streakBump{0%{transform:scale(1)}40%{transform:scale(1.35)}100%{transform:scale(1)}}

/* ---- achievements (play) ---- */
.ach-shelf{margin-top:26px;border-top:1px solid var(--line);padding-top:18px}
.ach-head{font-family:"IBM Plex Mono",monospace;font-size:.72rem;text-transform:uppercase;letter-spacing:.16em;color:var(--clay);display:flex;justify-content:space-between;align-items:baseline}
.ach-head span{color:var(--ink-soft);letter-spacing:.06em}
.ach-grid{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.ach-chip{font-family:"IBM Plex Mono",monospace;font-size:.72rem;letter-spacing:.06em;padding:6px 12px;border-radius:99px;border:1px solid var(--line);background:var(--paper-2);color:var(--ink-soft);cursor:pointer}
.ach-chip.on{color:var(--green);border-color:color-mix(in srgb,var(--green) 45%,var(--line));background:color-mix(in srgb,var(--green) 10%,transparent);font-weight:600}
.ach-chip:hover{border-color:var(--ink-soft)}
.ach-tip{font-family:"IBM Plex Mono",monospace;font-size:.74rem;color:var(--ink-soft);margin-top:12px;min-height:1.1em;letter-spacing:.03em}
.ach-toast{position:fixed;left:50%;transform:translate(-50%,140%);bottom:18px;z-index:60;background:var(--indigo);color:var(--indigo-ink);padding:12px 20px;border-radius:10px;box-shadow:0 10px 30px -8px var(--shadow);font-family:"IBM Plex Mono",monospace;font-size:.82rem;text-align:center;transition:transform .4s cubic-bezier(.2,.9,.3,1.2);pointer-events:none;max-width:80vw}
.ach-toast b{display:block;font-size:.64rem;text-transform:uppercase;letter-spacing:.18em;opacity:.7;margin-bottom:3px;font-weight:500}
.ach-toast.in{transform:translate(-50%,0)}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .ach-toast{transition:none}
}

/* ---- privacy policy ---- */
.policy h2{font-family:"Bricolage Grotesque",sans-serif;font-size:1.06rem;font-weight:700;margin:30px 0 8px}
.policy h2:first-of-type{margin-top:26px}
.policy p{color:var(--ink-soft);line-height:1.6;max-width:62ch}
.policy a{color:var(--green);text-decoration:underline;text-decoration-color:color-mix(in srgb,var(--green) 40%,transparent)}

/* ============================================================
   LIQUID GLASS LAYER (added 2026-09-19)
   Translucent, frosted panels floating over a luminous backdrop.
   Rules of thumb: blur only on big containers (cheap phones),
   tiles/chips get glass *look* without backdrop-filter.
   ============================================================ */

:root{
  --glass-base:#EAF2E6;
  --glass-a:rgba(255,255,255,.66);
  --glass-b:rgba(255,255,255,.26);
  --glass-bg:linear-gradient(140deg,var(--glass-a) 0%,var(--glass-b) 58%,var(--glass-a) 135%);
  --glass-solid:rgba(255,255,255,.85);
  --glass-line:rgba(255,255,255,.78);
  --glass-rim:inset 0 1px 0 rgba(255,255,255,.95),inset 0 -1px 0 rgba(255,255,255,.28),inset 1px 0 0 rgba(255,255,255,.4),inset -1px 0 0 rgba(255,255,255,.18);
  --glass-drop:0 18px 40px -18px rgba(8,70,38,.34),0 3px 8px rgba(24,20,12,.06);
  --glass-blur:blur(16px) saturate(1.7);
  --glass-well:inset 0 2px 5px rgba(24,20,12,.10),inset 0 -1px 0 rgba(255,255,255,.7);
  --dark-glass-a:rgba(24,34,58,.90);
  --dark-glass-b:rgba(32,48,79,.82);
  --glow-1:rgba(11,122,59,.34);
  --glow-2:rgba(255,205,110,.58);
  --glow-3:rgba(32,48,79,.30);
  --glow-4:rgba(214,84,38,.24);
  --orb:rgba(255,255,255,.27);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --glass-base:#08120D;
    --glass-a:rgba(255,255,255,.15);
    --glass-b:rgba(255,255,255,.04);
    --glass-solid:rgba(26,38,32,.92);
    --glass-line:rgba(255,255,255,.20);
    --glass-rim:inset 0 1px 0 rgba(255,255,255,.30),inset 0 -1px 0 rgba(255,255,255,.05),inset 1px 0 0 rgba(255,255,255,.10),inset -1px 0 0 rgba(255,255,255,.04);
    --glass-drop:0 22px 46px -20px rgba(0,0,0,.65),0 3px 10px rgba(0,0,0,.30);
    --glass-well:inset 0 2px 6px rgba(0,0,0,.45),inset 0 -1px 0 rgba(255,255,255,.07);
    --dark-glass-a:rgba(20,30,52,.82);
    --dark-glass-b:rgba(28,44,78,.56);
    --glow-1:rgba(38,170,96,.34);
    --glow-2:rgba(214,160,60,.20);
    --glow-3:rgba(70,100,190,.30);
    --glow-4:rgba(230,89,44,.22);
    --orb:rgba(255,255,255,.07);
  }
}
:root[data-theme="dark"]{
  --glass-base:#08120D;
  --glass-a:rgba(255,255,255,.15);
  --glass-b:rgba(255,255,255,.04);
  --glass-solid:rgba(26,38,32,.92);
  --glass-line:rgba(255,255,255,.20);
  --glass-rim:inset 0 1px 0 rgba(255,255,255,.30),inset 0 -1px 0 rgba(255,255,255,.05),inset 1px 0 0 rgba(255,255,255,.10),inset -1px 0 0 rgba(255,255,255,.04);
  --glass-drop:0 22px 46px -20px rgba(0,0,0,.65),0 3px 10px rgba(0,0,0,.30);
  --glass-well:inset 0 2px 6px rgba(0,0,0,.45),inset 0 -1px 0 rgba(255,255,255,.07);
  --dark-glass-a:rgba(20,30,52,.82);
  --dark-glass-b:rgba(28,44,78,.56);
  --glow-1:rgba(38,170,96,.34);
  --glow-2:rgba(214,160,60,.20);
  --glow-3:rgba(70,100,190,.30);
  --glow-4:rgba(230,89,44,.22);
  --orb:rgba(255,255,255,.07);
}

/* ---- luminous backdrop the glass refracts ---- */
html{background:var(--glass-base)}
body{background:transparent;position:relative;min-height:100vh}
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(circle at 16% 22%,var(--orb) 0 11vmax,transparent 11.2vmax),
    radial-gradient(circle at 84% 34%,var(--orb) 0 8vmax,transparent 8.2vmax),
    radial-gradient(circle at 62% 84%,var(--orb) 0 13vmax,transparent 13.2vmax),
    radial-gradient(64vmax 64vmax at 6% 4%,var(--glow-1),transparent 62%),
    radial-gradient(56vmax 56vmax at 98% 10%,var(--glow-2),transparent 62%),
    radial-gradient(60vmax 60vmax at 90% 98%,var(--glow-3),transparent 64%),
    radial-gradient(50vmax 50vmax at 2% 92%,var(--glow-4),transparent 64%);
}

/* ---- masthead: floating glass capsule ---- */
.masthead{border-bottom:0;padding:12px 12px 0}
.masthead .wrap{
  position:relative;max-width:1060px;padding:9px 12px 9px 22px;border-radius:999px;
}
.masthead .wrap::before{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;border-radius:inherit;
  background:var(--glass-bg);border:1px solid var(--glass-line);
  box-shadow:var(--glass-rim),var(--glass-drop);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
}
.nav .play{
  color:#fff;border-radius:999px;padding:9px 20px;
  background:linear-gradient(180deg,#22a15a 0%,var(--green-deep) 100%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.45),inset 0 -1px 0 rgba(0,0,0,.18),0 6px 14px -6px rgba(8,96,46,.6);
}
.nav .play:hover{background:linear-gradient(180deg,#2bb468 0%,var(--green) 100%);color:#fff}
.soundbtn{border-radius:999px;background:var(--glass-bg);border-color:var(--glass-line);box-shadow:var(--glass-rim)}

/* ---- promo bar: tinted glass strip ---- */
.promo-bar{
  width:calc(100% - 24px);max-width:1060px;margin:10px auto 0;border-radius:999px;
  background:linear-gradient(140deg,var(--dark-glass-a),var(--dark-glass-b));
  border:1px solid rgba(255,255,255,.22);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.28),0 12px 28px -14px rgba(20,30,52,.6);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
}
.promo-bar:hover{background:linear-gradient(140deg,rgba(8,96,46,.92),rgba(11,122,59,.66))}

/* ---- buttons ---- */
.cta{
  border-radius:999px;padding:13px 26px;color:#fff;
  background:linear-gradient(180deg,rgba(44,38,28,.94),rgba(18,14,8,.92));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.28),inset 0 -1px 0 rgba(0,0,0,.35),0 10px 22px -10px rgba(24,20,12,.55);
}
.cta:hover{background:linear-gradient(180deg,#22a15a,var(--green-deep));color:#fff}
.ghost{
  border-radius:999px;background:var(--glass-bg);border:1px solid var(--glass-line);
  box-shadow:var(--glass-rim);
}
.ghost:hover{border-color:#fff;background:linear-gradient(140deg,rgba(255,255,255,.85),rgba(255,255,255,.4))}

/* ---- hero + board (the main event) ---- */
.hero h1 em{color:var(--green)}
.board{
  border-radius:30px;padding:28px 24px 24px;
  background:var(--glass-bg);border:1px solid var(--glass-line);
  box-shadow:var(--glass-rim),var(--glass-drop);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
}
.pool{border-top:1px solid var(--glass-line)}
.slot{
  border-radius:16px;border:1.5px dashed color-mix(in srgb,var(--ink) 22%,transparent);
  background:color-mix(in srgb,var(--ink) 4%,transparent);box-shadow:var(--glass-well);
}
.tile{
  border-radius:16px;
  background:linear-gradient(155deg,rgba(255,252,240,.96) 0%,rgba(244,232,196,.72) 55%,rgba(255,246,214,.84) 100%);
  border:1px solid rgba(255,255,255,.85);
  box-shadow:inset 0 1.5px 0 rgba(255,255,255,.98),inset 0 -2px 4px rgba(190,150,60,.18),0 8px 16px -8px rgba(60,44,10,.38),0 2px 3px rgba(60,44,10,.10);
  color:#18140C;
}
.pool .tile:hover{transform:translateY(-4px) scale(1.03)}
.slot .tile{box-shadow:inset 0 1.5px 0 rgba(255,255,255,.98),inset 0 -2px 4px rgba(190,150,60,.18),0 3px 6px -3px rgba(60,44,10,.3)}
.board.solved .slot .tile{
  background:linear-gradient(155deg,rgba(72,200,120,.98) 0%,rgba(16,138,70,.94) 60%,rgba(8,96,46,.98) 100%);
  border-color:rgba(255,255,255,.55);color:#fff;
  box-shadow:inset 0 1.5px 0 rgba(255,255,255,.6),inset 0 -2px 5px rgba(0,60,25,.35),0 10px 18px -8px rgba(8,96,46,.65);
}
.board.solved .slot .tile .val{color:rgba(255,255,255,.9)}

/* ---- categories band: big tinted glass slab ---- */
.band{
  margin:14px 12px 0;border-radius:36px;overflow:hidden;
  background-color:transparent;
  background-image:linear-gradient(140deg,var(--dark-glass-a),var(--dark-glass-b)),
    radial-gradient(rgba(255,255,255,.10) 1.4px,transparent 1.6px);
  background-size:auto,26px 26px;
  border:1px solid rgba(255,255,255,.20);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.28),0 24px 50px -24px rgba(20,30,52,.65);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
}
.cat-card{
  border-radius:22px;border:1px solid rgba(255,255,255,.22);
  background:linear-gradient(145deg,rgba(255,255,255,.16),rgba(255,255,255,.05));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.26);
}

/* ---- how it plays: glass step cards ---- */
.step{
  padding:20px 20px 22px;border-top:0;border-radius:26px;
  background:var(--glass-bg);border:1px solid var(--glass-line);
  box-shadow:var(--glass-rim),var(--glass-drop);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
}

/* ---- daily card / mode cards / stages ---- */
.daily-card{
  border-radius:34px;background:var(--glass-bg);border:1px solid var(--glass-line);
  box-shadow:var(--glass-rim),var(--glass-drop);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
}
.mode-card,.stage-item{
  border-radius:26px;background:var(--glass-bg);border:1px solid var(--glass-line);
  box-shadow:var(--glass-rim),var(--glass-drop);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
}
.mode-card:hover,.stage-item:not(.locked):hover{transform:translateY(-4px);border-color:#fff}
.catlist button{
  background:var(--glass-bg);border:1px solid var(--glass-line);box-shadow:var(--glass-rim);
}
.catlist button:hover{border-color:#fff}
.badge{background:rgba(255,255,255,.35);border-color:color-mix(in srgb,currentColor 55%,transparent);box-shadow:var(--glass-rim)}
.badge.hard{background:linear-gradient(180deg,#e26a3a,var(--clay));color:#fff}
.progress{background:color-mix(in srgb,var(--ink) 10%,transparent);box-shadow:var(--glass-well)}
.progress i{background:linear-gradient(90deg,#2bb468,var(--green))}
.gamebar .streak{background:rgba(255,255,255,.4);box-shadow:var(--glass-rim)}

/* ---- results + share ---- */
.result-grid i{border-radius:7px;background:color-mix(in srgb,var(--ink) 10%,transparent);box-shadow:var(--glass-well)}
.result-grid i.got{background:linear-gradient(160deg,#48c878,var(--green-deep));box-shadow:inset 0 1px 0 rgba(255,255,255,.5)}
.scorelist li{border-bottom-color:var(--glass-line)}
.share-card{
  border-radius:22px;background:var(--glass-bg);border:1px solid var(--glass-line);
  box-shadow:var(--glass-rim),var(--glass-drop);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
}

/* ---- forms: frosted inset fields ---- */
.suggest input,.suggest select,.lb-post input{
  border-radius:16px;background:rgba(255,255,255,.5);border:1px solid var(--glass-line);
  box-shadow:var(--glass-well);
}
:root[data-theme="dark"] .suggest input,:root[data-theme="dark"] .suggest select,:root[data-theme="dark"] .lb-post input{background:rgba(255,255,255,.07)}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .suggest input,:root:not([data-theme="light"]) .suggest select,:root:not([data-theme="light"]) .lb-post input{background:rgba(255,255,255,.07)}
}
.suggest input:focus,.suggest select:focus,.lb-post input:focus{
  outline:0;border-color:var(--green);
  box-shadow:var(--glass-well),0 0 0 3px color-mix(in srgb,var(--green) 28%,transparent);
}

/* ---- leaderboard ---- */
.lb-list{
  padding:8px 20px;border-radius:28px;background:var(--glass-bg);border:1px solid var(--glass-line);
  box-shadow:var(--glass-rim),var(--glass-drop);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
}
.lb-list li:last-child{border-bottom:0}
.lb-list li{border-bottom-color:var(--glass-line)}
.lb-list li.you{background:color-mix(in srgb,var(--green) 16%,transparent);border-radius:14px;margin:0 -12px;padding-left:12px;padding-right:12px}
.lb-tab{background:var(--glass-bg);border-color:var(--glass-line);box-shadow:var(--glass-rim)}
.lb-tab.on{background:linear-gradient(180deg,#22a15a,var(--green-deep));border-color:rgba(255,255,255,.4);color:#fff;box-shadow:inset 0 1px 0 rgba(255,255,255,.45),0 6px 14px -6px rgba(8,96,46,.6)}

/* ---- weekly challenge: tinted glass with specular sheen ---- */
.challenge{
  position:relative;overflow:hidden;border-radius:32px;padding:28px 30px;
  background:linear-gradient(140deg,var(--dark-glass-a),var(--dark-glass-b));
  border:1px solid rgba(255,255,255,.24);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.34),inset 0 -1px 0 rgba(255,255,255,.06),0 26px 50px -24px rgba(20,30,52,.7);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
}
.challenge::before{
  content:"";position:absolute;inset:0;pointer-events:none;border-radius:inherit;
  background:radial-gradient(120% 85% at 0% 0%,rgba(255,255,255,.20) 0%,rgba(255,255,255,.06) 42%,transparent 66%);
}
.challenge>*{position:relative}
.challenge-claim{border-radius:999px;background:rgba(255,255,255,.08)}

/* ---- achievements ---- */
.ach-shelf{border-top-color:var(--glass-line)}
.ach-chip{background:var(--glass-bg);border-color:var(--glass-line);box-shadow:var(--glass-rim)}
.ach-chip.on{background:linear-gradient(140deg,color-mix(in srgb,var(--green) 26%,rgba(255,255,255,.55)),color-mix(in srgb,var(--green) 10%,rgba(255,255,255,.2)))}
.ach-toast{
  border-radius:999px;padding:13px 26px;
  background:linear-gradient(140deg,var(--dark-glass-a),var(--dark-glass-b));
  border:1px solid rgba(255,255,255,.26);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.32),0 18px 36px -14px rgba(20,30,52,.7);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
}

/* ---- footer + privacy: glass slabs ---- */
footer{border-top:0;padding:24px 12px 14px}
footer .wrap{
  max-width:1060px;padding:24px 28px;border-radius:30px;
  background:var(--glass-bg);border:1px solid var(--glass-line);
  box-shadow:var(--glass-rim),var(--glass-drop);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
}
.policy{
  padding:8px 30px 30px;border-radius:32px;
  background:var(--glass-bg);border:1px solid var(--glass-line);
  box-shadow:var(--glass-rim),var(--glass-drop);
  -webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);
}
.policy .play-intro{padding-top:22px}

/* ---- fallbacks ---- */
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  :root,:root:not([data-theme="light"]),:root[data-theme="dark"]{
    --glass-a:var(--glass-solid);--glass-b:var(--glass-solid);
    --dark-glass-a:rgba(24,34,58,.97);--dark-glass-b:rgba(32,48,79,.94);
  }
}
@media (prefers-reduced-transparency:reduce){
  :root,:root:not([data-theme="light"]),:root[data-theme="dark"]{
    --glass-blur:none;--glass-a:var(--glass-solid);--glass-b:var(--glass-solid);
    --dark-glass-a:rgba(24,34,58,.98);--dark-glass-b:rgba(32,48,79,.98);
  }
}
@media (max-width:620px){
  .masthead .wrap{padding:8px 10px 8px 16px}
  .board{padding:22px 18px 20px;border-radius:26px}
  .band{margin:12px 8px 0;border-radius:28px}
  .challenge{padding:24px 22px}
  .policy{padding:6px 20px 24px}
}

/* ---- phones: bigger, thumb-friendly tiles (5 per row, fluid) ---- */
@media (max-width:620px){
  .play-main .wrap,.hero .wrap{padding-left:10px;padding-right:10px}
  .board{padding:22px 12px 20px}
  .slots,.pool{gap:7px}
  .slot,.pool .tile{flex:0 0 calc((100% - 28px)/5);width:auto;height:auto;aspect-ratio:52/60}
  .slot .tile{width:100%;height:100%;aspect-ratio:auto}
  .tile{font-size:clamp(1.75rem,8.4vw,2.2rem)}
  .tile .val{font-size:.7rem;right:6px;bottom:4px}
  .slots{min-height:0}
}

/* ---- Marathon "play & earn" callout ---- */
.mode-card .earn{
  margin-top:auto;padding:10px 12px;border-radius:16px;
  font-family:"IBM Plex Mono",monospace;font-size:.72rem;line-height:1.5;letter-spacing:.02em;color:var(--ink);
  background:linear-gradient(140deg,color-mix(in srgb,var(--green) 22%,rgba(255,255,255,.5)),color-mix(in srgb,var(--green) 8%,rgba(255,255,255,.15)));
  border:1px solid color-mix(in srgb,var(--green) 40%,transparent);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.55);
}
.mode-card .earn b{display:block;font-weight:600;text-transform:uppercase;letter-spacing:.14em;font-size:.66rem;color:var(--green);margin-bottom:2px}
.mode-card.featured{border-color:color-mix(in srgb,var(--green) 55%,var(--glass-line));box-shadow:var(--glass-rim),0 18px 40px -16px color-mix(in srgb,var(--green) 55%,transparent),var(--glass-drop)}

/* ---- Word Coach (AI) ---- */
.roundnext.show{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.coach{
  margin-top:14px;padding:14px 16px;border-radius:18px;
  background:var(--glass-bg);border:1px solid var(--glass-line);box-shadow:var(--glass-rim);
  color:var(--ink);
}
.coach[hidden]{display:none}
.coach .label{display:block;margin-bottom:6px;color:var(--green)}
.coach p{margin:0;font-family:"Newsreader",Georgia,serif;font-size:1.02rem;line-height:1.5;max-width:60ch}
.coach em{font-style:italic;color:var(--ink-soft)}
.endscreen .coach{text-align:left}

/* ---- Rival mode (computer opponent) ---- */
.mode-card.wide{grid-column:1/-1}
@media (min-width:560px){.mode-card.wide{flex-direction:row;flex-wrap:wrap;align-items:baseline;gap:6px 18px}.mode-card.wide p{flex:1 1 320px}}
.rivals{display:grid;gap:14px;margin-top:14px;grid-template-columns:1fr}
@media (min-width:640px){.rivals{grid-template-columns:repeat(3,1fr)}}
.mode-card .rec{margin-top:auto;font-family:"IBM Plex Mono",monospace;font-size:.72rem;letter-spacing:.06em;color:var(--ink-soft)}
.rnote{margin-top:16px;font-family:"IBM Plex Mono",monospace;font-size:.74rem;line-height:1.6;color:var(--ink-soft);max-width:64ch}
.rivalbar{display:flex;align-items:center;gap:12px;margin:14px 0 4px;font-family:"IBM Plex Mono",monospace;font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft)}
.rivalbar[hidden]{display:none}
.rivalbar .rname{color:var(--clay);font-weight:600;white-space:nowrap}
.rivalbar .pips{flex:1;display:flex;gap:5px;min-width:0}
.rivalbar .pips i{flex:1;height:8px;border-radius:99px;background:color-mix(in srgb,var(--ink) 12%,transparent);transition:background .25s ease}
.rivalbar .pips i.on{background:var(--clay)}
.rivalbar .rstate{min-width:9ch;text-align:right;white-space:nowrap;text-transform:none;letter-spacing:.04em}
.board.vs #reveal,.board.vs #aiHint{display:none}

/* ---- Friend challenges ---- */
.challenge-card{
  margin:0 0 26px;padding:18px 18px 20px;border-radius:22px;display:flex;flex-direction:column;align-items:flex-start;gap:8px;
  background:var(--glass-bg);color:var(--ink);
  border:1px solid color-mix(in srgb,var(--green) 50%,var(--glass-line));
  box-shadow:var(--glass-rim),0 18px 40px -18px color-mix(in srgb,var(--green) 55%,transparent);
}
.challenge-card[hidden]{display:none}
.challenge-card .tag{font-family:"IBM Plex Mono",monospace;font-size:.68rem;text-transform:uppercase;letter-spacing:.16em;color:var(--clay)}
.challenge-card h3{font-size:1.5rem;line-height:1.1;margin:0}
.challenge-card p{margin:0;color:var(--ink-soft);max-width:52ch}
.challenge-card .cta{margin-top:6px;border:0;cursor:pointer}
.ch-send{margin-top:26px}
.ch-send label{line-height:1.5}

/* ---- iOS home-screen width diagnosis: fix.js adds html.hf1..hf5 one at a time (cumulative) if the installed
   app opens zoomed out. Each rule switches off one suspect. Remove with fix.js once the cause is known. ---- */
html.hf1 body::before{display:none}
html.hf2 *,html.hf2 *::before,html.hf2 *::after{-webkit-backdrop-filter:none!important;backdrop-filter:none!important}
html.hf3 body{position:static!important;min-height:0!important}
html.hf4 *{transform:none!important;animation:none!important}
html.hf5,html.hf5 body{overflow-x:hidden!important;max-width:100%!important}