:root{
  --bg:#FDFBF5; --ink:#1A1A1A; --accent:#1E3A6E; --accent-ink:#FFFFFF;
  --card:#FFFFFF; --line:#1E3A6E; --amber:#E8A33D;
  --found1:#FFE9A8; --found2:#CDEAC0; --found3:#FBD9C0; --found4:#CFE3F5;
  --scell: clamp(34px, 10.2vw, 62px);
  --xcell: clamp(52px, 16.5vw, 84px);
  --wcell: clamp(22px, 6.6vw, 44px);
  --wfont: clamp(15px, 4.6vw, 30px);
  --base: 19px;
}
body.ts-large{ --scell: clamp(38px, 11vw, 68px); --xcell: clamp(58px, 18vw, 92px);
  --wcell: clamp(25px, 7.4vw, 50px); --wfont: clamp(17px, 5.2vw, 34px); --base: 22px; }
body.ts-small{ --scell: clamp(30px, 9.2vw, 54px); --xcell: clamp(46px, 15vw, 76px);
  --wcell: clamp(19px, 5.8vw, 38px); --wfont: clamp(13px, 4vw, 26px); --base: 17px; }
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:Verdana, Geneva, "Segoe UI", Arial, sans-serif; font-size:var(--base); line-height:1.5;}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:8px;
  background:var(--accent);color:#fff;padding:10px 12px;position:sticky;top:0;z-index:5}
.brand{font-weight:bold;font-size:22px;letter-spacing:.3px}
.topbtn{background:#fff;color:var(--accent);border:0;border-radius:10px;
  font-size:17px;font-weight:bold;padding:10px 14px;min-height:48px;cursor:pointer}
main{max-width:760px;margin:0 auto;padding:18px 14px 60px}
h1{font-size:30px;margin:10px 0 6px}
h2{font-size:24px;margin:26px 0 10px}
.sub{font-size:1.05em;margin:4px 0 14px}
.note{background:#FFF3D6;border:2px solid #B98A1B;border-radius:12px;padding:12px 14px;margin:14px 0}
.bigbtn{display:block;width:100%;background:var(--accent);color:var(--accent-ink);border:0;border-radius:14px;
  font-size:22px;font-weight:bold;padding:16px;margin:10px 0;min-height:60px;cursor:pointer}
.bigbtn.secondary{background:#fff;color:var(--accent);border:3px solid var(--accent)}
.locktag{font-size:19px}
.fineprint{font-size:15px;margin-top:30px}
a{color:var(--accent);font-weight:bold}

/* daily cards */
.dcard{display:flex;align-items:center;gap:14px;width:100%;text-align:left;background:var(--card);
  border:3px solid var(--line);border-radius:14px;padding:16px;margin:10px 0;cursor:pointer;color:var(--ink)}
.dcard .ic{font-size:38px;line-height:1}
.dcard .tt{font-size:24px;font-weight:bold;display:block}
.dcard .ds{font-size:17px;display:block}
.dcard .done{margin-left:auto;font-size:26px;color:var(--accent);font-weight:bold;white-space:nowrap}
.dcard.isdone{background:var(--found2)}

/* difficulty row */
.diffrow{display:flex;gap:10px;align-items:center;margin:10px 0 4px;flex-wrap:wrap}
.diffrow .lbl{font-weight:bold}
.diffbtn{background:#fff;color:var(--accent);border:3px solid var(--accent);border-radius:12px;
  font-size:19px;font-weight:bold;padding:10px 18px;min-height:52px;cursor:pointer}
.diffbtn.on{background:var(--accent);color:#fff}
.diffbtn .locktag{font-size:16px}

/* sudoku */
.sudoku{display:grid;grid-template-columns:repeat(9,var(--scell));gap:0;justify-content:center;margin:16px auto;
  border:3px solid var(--ink);width:max-content;background:#fff}
.scell{width:var(--scell);height:var(--scell);display:flex;align-items:center;justify-content:center;
  font-size:calc(var(--scell)*0.52);border:1px solid #B9C4D4;background:#fff;cursor:pointer;padding:0;color:var(--accent)}
.scell.br{border-right:3px solid var(--ink)} .scell.bb{border-bottom:3px solid var(--ink)}
.scell.given{color:var(--ink);font-weight:bold;background:#EFF2F8}
.scell.sel{background:#BFD3F2}
.scell.same{background:#E4EBF7}
.scell.hinted{color:#8A5A00;background:#FFF3D6}
.scell.wrong{background:#FBD9D9;color:#8B1A1A}
.numpad{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;max-width:520px;margin:10px auto}
.numpad button{background:#fff;color:var(--accent);border:3px solid var(--accent);border-radius:12px;
  font-size:26px;font-weight:bold;min-height:60px;cursor:pointer}
.numpad button:active{background:var(--accent);color:#fff}

/* crossword */
.xword{display:grid;grid-template-columns:repeat(5,var(--xcell));gap:0;justify-content:center;margin:16px auto;
  border:3px solid var(--ink);width:max-content;background:#fff}
.xcell{position:relative;width:var(--xcell);height:var(--xcell);border:1px solid #9AA8BC;background:#fff;cursor:pointer}
.xcell.black{background:var(--ink);cursor:default}
.xcell .num{position:absolute;top:2px;left:4px;font-size:calc(var(--xcell)*0.24);font-weight:bold;color:#444}
.xcell .ltr{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:calc(var(--xcell)*0.52);font-weight:bold;color:var(--accent)}
.xcell.sel{background:#BFD3F2}
.xcell.inslot{background:#E4EBF7}
.xcell.givenl .ltr{color:var(--ink)}
.xcell.revealed .ltr{color:#8A5A00}
.xcell.wrong{background:#FBD9D9}
.xcell.wrong .ltr{color:#8B1A1A}
.cluebar{background:#EFF2F8;border:2px solid var(--accent);border-radius:12px;padding:12px 14px;
  font-size:1.05em;font-weight:bold;margin:10px 0;min-height:56px}
.keyboard{margin:10px 0}
.krow{display:flex;gap:6px;justify-content:center;margin:6px 0}
.krow button{flex:1;max-width:64px;background:#fff;color:var(--accent);border:3px solid var(--accent);
  border-radius:10px;font-size:23px;font-weight:bold;min-height:58px;cursor:pointer;padding:0}
.krow button.wide{max-width:110px;flex:1.6}
.krow button:active{background:var(--accent);color:#fff}
.clues{list-style:none;padding:0;margin:6px 0}
.clues li{padding:9px 10px;border-radius:10px;cursor:pointer;font-size:1.02em}
.clues li.on{background:#E4EBF7;font-weight:bold}

/* word search (interaction model shared with Senior Puzzles) */
.wsgrid{display:grid;gap:2px;justify-content:center;margin:14px auto;touch-action:none;
  user-select:none;-webkit-user-select:none}
.wcell{width:var(--wcell);height:var(--wcell);display:flex;align-items:center;justify-content:center;
  font-size:var(--wfont);font-weight:bold;background:#fff;border:2px solid #9DB4A4;border-radius:6px}
.wcell.sel{background:#BFD3F2;border-color:#1E3A6E}
.wcell.f1{background:var(--found1)} .wcell.f2{background:var(--found2)}
.wcell.f3{background:var(--found3)} .wcell.f4{background:var(--found4)}
.wcell.hintflash{background:#FF9D9D;border-color:#B91C1C}
.words{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:6px 14px}
.words li{font-size:1.05em;font-weight:bold;padding:6px 4px}
.words li.found{text-decoration:line-through;opacity:.55;font-weight:normal}

/* shared play bits */
.play-actions{display:flex;gap:10px;flex-wrap:wrap}
.play-actions .bigbtn{flex:1;min-width:130px}
.msg{min-height:30px;font-weight:bold;margin:8px 0}
.complete{background:var(--found2);border:3px solid var(--accent);border-radius:14px;padding:16px;text-align:center;margin:20px 0}
.complete-text{font-size:24px;font-weight:bold;margin:6px 0 12px}
.howtext p{font-size:1.05em}
.ticks{list-style:none;padding:0;font-size:1.05em}
.ticks li{padding:4px 0}

/* archive + packs */
.daylist .bigbtn{text-align:left}
.plist{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:10px}
.pbtn{background:var(--card);border:3px solid var(--line);border-radius:14px;padding:12px 6px;cursor:pointer;
  min-height:64px;text-align:center;color:var(--ink);font-size:20px;font-weight:bold}
.pbtn .t{font-size:14px;display:block;line-height:1.25;font-weight:normal}
.pbtn.done{background:var(--found2)}
.packtabs{display:flex;gap:8px;margin:12px 0}
.packtab{flex:1;background:#fff;color:var(--accent);border:3px solid var(--accent);border-radius:12px;
  font-size:19px;font-weight:bold;padding:12px 6px;min-height:56px;cursor:pointer}
.packtab.on{background:var(--accent);color:#fff}
.home-actions{margin-top:10px}

[hidden]{display:none !important}