/* Nostalgic Brain Games — senior-friendly: big type, big targets, high contrast */
:root{
  --ink:#1c2430; --paper:#fffdf7; --card:#ffffff; --teal:#0d5c63; --teal-dark:#084a50;
  --coral:#c2452d; --gold:#b97f16; --line:#d8d2c4; --found:#ffe08a; --sel:#ffd166;
  --ok:#1d7a3a; --bad:#b3261e; --focus:#ffbf47;
}
*{box-sizing:border-box}
html{font-size:19px}
body{margin:0;font-family:Georgia,'Times New Roman',serif;background:var(--paper);color:var(--ink);line-height:1.6}
a{color:var(--teal-dark);text-decoration:underline}
a:hover{color:var(--coral)}
:focus-visible{outline:4px solid var(--focus);outline-offset:2px}
.skip{position:absolute;left:-9999px;top:0;background:#000;color:#fff;padding:.6rem 1rem;z-index:50}
.skip:focus{left:0}
header.site{background:var(--teal);color:#fff}
.wrap{max-width:1080px;margin:0 auto;padding:0 1rem}
.brand{display:flex;flex-wrap:wrap;align-items:baseline;gap:.4rem 1rem;padding:.9rem 0 .2rem}
.brand .name{font-size:1.7rem;font-weight:bold;color:#fff;text-decoration:none;letter-spacing:.01em}
.brand .tag{font-size:1rem;color:#ffe9b0}
nav.main{display:flex;flex-wrap:wrap;gap:.3rem;padding:.5rem 0 .9rem}
nav.main a{color:#fff;text-decoration:none;font-weight:bold;padding:.65rem 1rem;border-radius:.5rem;background:rgba(255,255,255,.12);min-height:48px;display:inline-flex;align-items:center}
nav.main a:hover{background:rgba(255,255,255,.28);color:#fff}
main{padding:1.4rem 0 2.5rem}
h1{font-size:2rem;line-height:1.25;margin:.4rem 0 .8rem}
h2{font-size:1.45rem;margin:1.6rem 0 .6rem}
h3{font-size:1.15rem;margin:1.2rem 0 .4rem}
.lede{font-size:1.12rem;max-width:42rem}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:1rem;margin:1rem 0}
.card{background:var(--card);border:2px solid var(--line);border-radius:.8rem;padding:1rem 1.1rem}
.card h3{margin-top:0}
.card a.btn,.btn{display:inline-block;background:var(--teal);color:#fff;text-decoration:none;font-weight:bold;
  padding:.8rem 1.3rem;border-radius:.6rem;min-height:52px;border:none;font-size:1.05rem;cursor:pointer;font-family:inherit}
.btn:hover,.card a.btn:hover{background:var(--teal-dark);color:#fff}
.btn.secondary{background:#fff;color:var(--teal-dark);border:2px solid var(--teal)}
.btn.coral{background:var(--coral)}
.hero{background:var(--card);border:2px solid var(--line);border-radius:1rem;padding:1.4rem 1.5rem;margin-bottom:1.4rem}
.bookbox{display:flex;gap:1.2rem;flex-wrap:wrap;align-items:flex-start;background:#fdf3e3;border:2px solid var(--gold);border-radius:1rem;padding:1.2rem 1.3rem;margin:1.6rem 0}
.bookbox img{width:190px;max-width:45vw;height:auto;border-radius:.4rem;box-shadow:0 4px 14px rgba(0,0,0,.25)}
.bookbox .txt{flex:1;min-width:250px}
/* ad placeholder: ARTICLES ONLY, never on game screens (see README safety rules) */
.ad-slot{border:2px dashed #b9b2a0;background:#f6f2e7;color:#6b6455;text-align:center;
  padding:1.1rem .6rem;margin:1.8rem 0;font-size:.85rem;border-radius:.5rem}
/* ---- word search game ---- */
.ws-layout{display:flex;gap:1.4rem;flex-wrap:wrap;align-items:flex-start}
.ws-board{display:grid;gap:2px;background:var(--line);padding:2px;border-radius:.5rem;touch-action:none;
  width:min(92vw,560px)}
.ws-cell{aspect-ratio:1/1;border:none;background:#fff;font-family:inherit;font-weight:bold;color:var(--ink);
  font-size:clamp(.95rem,4.6vw,1.5rem);display:flex;align-items:center;justify-content:center;cursor:pointer;
  padding:0;min-width:0;border-radius:3px;user-select:none;-webkit-user-select:none}
.ws-cell.sel{background:var(--sel)}
.ws-cell.found{background:var(--found)}
.ws-words{background:var(--card);border:2px solid var(--line);border-radius:.8rem;padding:1rem 1.2rem;min-width:220px;flex:1}
.ws-words ul{list-style:none;margin:.4rem 0;padding:0;columns:2;column-gap:2rem}
.ws-words li{font-size:1.15rem;font-weight:bold;letter-spacing:.06em;padding:.3rem 0}
.ws-words li.done{text-decoration:line-through;color:var(--ok)}
.gamebar{display:flex;gap:.6rem;flex-wrap:wrap;margin:1rem 0}
.winbanner{background:#e6f6ea;border:3px solid var(--ok);color:var(--ok);font-weight:bold;font-size:1.25rem;
  border-radius:.8rem;padding:1rem 1.2rem;margin:1rem 0;display:none}
.winbanner.show{display:block}
/* ---- sudoku game ---- */
.su-board{display:grid;grid-template-columns:repeat(9,1fr);width:min(94vw,540px);border:3px solid var(--ink);background:var(--ink);gap:1px}
.su-cell{aspect-ratio:1/1;border:none;background:#fff;font-size:clamp(1.1rem,5.4vw,1.8rem);font-family:inherit;
  display:flex;align-items:center;justify-content:center;cursor:pointer;padding:0;color:#2456a6}
.su-cell.given{font-weight:bold;color:var(--ink);cursor:default;background:#f4efe3}
.su-cell.sel{background:#ffe9a8}
.su-cell.peer{background:#fdf3d8}
.su-cell.wrong{color:var(--bad);background:#fdeceb}
.su-cell.br{border-right:2px solid var(--ink)}
.su-cell.bb{border-bottom:2px solid var(--ink)}
.pad{display:grid;grid-template-columns:repeat(5,minmax(56px,1fr));gap:.5rem;width:min(94vw,540px);margin-top:1rem}
.pad button{min-height:58px;font-size:1.35rem;font-weight:bold;font-family:inherit;border-radius:.6rem;border:2px solid var(--teal);background:#fff;color:var(--teal-dark);cursor:pointer}
.pad button:hover{background:var(--teal);color:#fff}
/* ---- trivia ---- */
.quiz-opt{display:block;width:100%;text-align:left;margin:.5rem 0;padding:1rem 1.1rem;font-size:1.1rem;font-family:inherit;
  background:#fff;border:2px solid var(--teal);border-radius:.7rem;cursor:pointer;min-height:56px}
.quiz-opt.right{background:#e6f6ea;border-color:var(--ok);color:var(--ok);font-weight:bold}
.quiz-opt.wrong{background:#fdeceb;border-color:var(--bad);color:var(--bad)}
/* ---- footer / misc ---- */
footer.site{background:#22303c;color:#e8e4da;margin-top:2rem}
footer.site .wrap{padding:1.4rem 1rem 2rem}
footer.site a{color:#ffd98a}
.small{font-size:.88rem}
table.spec{border-collapse:collapse}
table.spec td{border:1px solid var(--line);padding:.4rem .8rem;background:#fff}
article.body{max-width:44rem}
article.body p{margin:.7rem 0}
.print-head{display:none}
@media (max-width:640px){ .brand .name{font-size:1.4rem} h1{font-size:1.6rem} }
/* ---- print: puzzles print clean, no chrome, no ads ---- */
@media print{
  header.site,footer.site,nav.main,.gamebar,.ad-slot,.noprint,.skip{display:none!important}
  body{background:#fff;font-size:14pt}
  .wrap{max-width:none;padding:0}
  .print-head{display:block;text-align:center;margin-bottom:10pt}
  .ws-layout{display:block}
  .ws-board{width:100%;max-width:640px;margin:0 auto}
  .ws-cell{font-size:16pt}
  .ws-words{border:none}
  .ws-words li.done{text-decoration:none;color:#000}
  .su-board{width:100%;max-width:560px;margin:0 auto}
  .pad{display:none}
  .bookbox{border:1px solid #999}
}