/* ===========================================================
   Classroom Games — shared styles (engine + site shell)
   Colour-blind-safe palette (Okabe-Ito based)
   =========================================================== */
:root{
  --bg:#0e3a5f; --bg2:#12507f;
  --panel:#ffffff; --ink:#10243a; --muted:#5b6b7a;
  --card-back:#1f7a8c; --card-back2:#2596a8; --card-face:#ffffff;
  --accent:#e69f00; --accent2:#009e73; --match:#009e73;
  --tally:#10243a;
  --shadow:0 6px 18px rgba(0,0,0,.22); --radius:18px;
}
*{box-sizing:border-box;}
html,body{height:100%;margin:0;}
body{
  font-family:"Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
  background:radial-gradient(circle at 50% -10%,var(--bg2),var(--bg));
  color:var(--ink);min-height:100vh;display:flex;flex-direction:column;align-items:center;
  padding:clamp(8px,2vw,24px);
}

/* ---------- Header ---------- */
header{width:100%;max-width:1500px;display:flex;flex-wrap:wrap;align-items:center;
  justify-content:space-between;gap:12px;color:#fff;margin-bottom:clamp(8px,1.5vw,16px);}
.title-wrap{display:flex;flex-direction:column;gap:4px;}
h1{font-size:clamp(1.4rem,3.2vw,2.4rem);margin:0;line-height:1.05;}
.tags{display:flex;gap:8px;flex-wrap:wrap;font-size:clamp(.7rem,1.4vw,.85rem);}
.tag{background:rgba(255,255,255,.16);padding:3px 10px;border-radius:999px;white-space:nowrap;}
.header-actions{display:flex;gap:8px;align-items:center;}
.back-link{color:rgba(255,255,255,.9);text-decoration:none;font-weight:700;font-size:.95rem;
  background:rgba(255,255,255,.14);padding:8px 14px;border-radius:999px;}
.back-link:hover{background:rgba(255,255,255,.24);}

/* ---------- Controls ---------- */
.controls{width:100%;max-width:1500px;background:var(--panel);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:clamp(8px,1.4vw,14px);display:flex;flex-wrap:wrap;
  gap:clamp(8px,1.4vw,16px);align-items:center;justify-content:center;margin-bottom:clamp(10px,1.8vw,18px);}
.ctrl-group{display:flex;align-items:center;gap:6px;}
.ctrl-label{font-weight:700;color:var(--muted);font-size:clamp(.75rem,1.5vw,.95rem);margin-right:2px;}
.seg{display:inline-flex;background:#eef2f6;border-radius:999px;padding:4px;gap:2px;}
.seg button{border:none;background:transparent;cursor:pointer;font-weight:700;color:var(--muted);
  padding:11px clamp(14px,1.8vw,22px);border-radius:999px;font-size:clamp(.95rem,1.6vw,1.2rem);transition:all .15s ease;min-height:48px;}
.seg button.active{background:var(--card-back);color:#fff;box-shadow:0 2px 6px rgba(0,0,0,.18);}
.btn{border:none;cursor:pointer;font-weight:800;border-radius:999px;min-height:48px;
  padding:12px clamp(18px,2vw,26px);font-size:clamp(.95rem,1.7vw,1.2rem);
  background:var(--accent);color:#10243a;box-shadow:0 3px 0 #b87d00;transition:transform .08s ease;text-decoration:none;display:inline-block;}
.btn:active{transform:translateY(2px);box-shadow:0 1px 0 #b87d00;}
.btn.secondary{background:#eef2f6;color:var(--ink);box-shadow:0 3px 0 #c7d0d8;}
.btn.secondary:active{box-shadow:0 1px 0 #c7d0d8;}
.icon-btn{border:none;cursor:pointer;background:#eef2f6;border-radius:50%;width:54px;height:54px;
  font-size:1.6rem;display:grid;place-items:center;box-shadow:0 3px 0 #c7d0d8;}

/* ---------- Status ---------- */
.status{width:100%;max-width:1500px;display:flex;justify-content:center;gap:clamp(14px,3vw,44px);
  color:#fff;font-weight:700;font-size:clamp(1rem,2vw,1.45rem);margin-bottom:clamp(8px,1.4vw,14px);text-align:center;}
.status b{font-size:1.25em;}
.hint{color:rgba(255,255,255,.85);font-weight:600;}

/* ---------- Board ---------- */
.board-wrap{width:100%;max-width:1500px;flex:1;display:flex;align-items:center;justify-content:center;}
.board{display:grid;gap:clamp(8px,1.4vw,20px);width:100%;-webkit-user-select:none;user-select:none;}
.card{position:relative;aspect-ratio:3/4;cursor:pointer;perspective:1000px;border:none;background:transparent;padding:0;
  touch-action:manipulation;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;}
.card-inner{position:absolute;inset:0;transition:transform .45s cubic-bezier(.4,.2,.2,1);transform-style:preserve-3d;}
.card.flipped .card-inner,.card.matched .card-inner{transform:rotateY(180deg);}
.face{position:absolute;inset:0;backface-visibility:hidden;border-radius:var(--radius);
  display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);overflow:hidden;}
.face.back{background:linear-gradient(135deg,var(--card-back),var(--card-back2));color:#fff;}
.face.back .qmark{font-size:clamp(2rem,7vw,4.5rem);font-weight:900;opacity:.9;}
.face.front{background:var(--card-face);transform:rotateY(180deg);border:4px solid #e7edf2;padding:clamp(10px,2vw,18px);text-align:center;}
.card.matched .face.front{border-color:var(--match);box-shadow:0 0 0 4px rgba(0,158,115,.35),var(--shadow);}
.card.matched{cursor:default;}
.card.selectable.selected .face.front{border-color:var(--accent);box-shadow:0 0 0 5px rgba(230,159,0,.5),var(--shadow);}
.board.matching .card-inner{transform:rotateY(180deg);}

/* card content renderers */
.c-text{font-size:clamp(1.05rem,3.4vw,2.2rem);font-weight:800;color:var(--ink);line-height:1.15;overflow-wrap:normal;word-break:keep-all;hyphens:none;max-width:100%;min-width:0;display:block;}
.c-ar{font-size:clamp(1.7rem,6vw,3.1rem);font-family:"Segoe UI","Tahoma","Geeza Pro","Arial",sans-serif;line-height:1.8;direction:rtl;}
.c-numeral{font-size:clamp(2.4rem,11vw,6rem);font-weight:900;color:var(--tally);max-width:100%;min-width:0;overflow-wrap:break-word;}
.c-emoji{font-size:clamp(2.6rem,12vw,6rem);line-height:1;}
.c-img{width:80%;height:80%;object-fit:contain;}
.c-swrow{display:flex;gap:6px;justify-content:center;flex-wrap:wrap;}
.c-swatch{width:clamp(30px,13vw,70px);height:clamp(30px,13vw,70px);border-radius:50%;border:3px solid rgba(16,36,58,.35);display:inline-block;box-shadow:0 2px 4px rgba(0,0,0,.15);}
.c-stack{display:flex;flex-direction:column;align-items:center;gap:.15em;max-width:100%;min-width:0;}
.c-cap{font-size:clamp(.65rem,1.8vw,.9rem);font-weight:700;color:#3f4d5a;line-height:1.05;margin-top:3px;max-width:100%;overflow-wrap:normal;word-break:keep-all;}
.c-stack .c-label{font-size:clamp(.8rem,2.6vw,1.3rem);font-weight:800;color:var(--ink);word-break:keep-all;overflow-wrap:normal;line-height:1.1;}
.tally-svg,.shape-svg{width:90%;height:90%;}
.clock-svg{width:94%;height:94%;}
.art-svg{width:92%;height:92%;}
.tally-svg line{stroke:var(--tally);stroke-width:7;stroke-linecap:round;}
.shape-svg{fill:#2596a8;stroke:#0e3a5f;stroke-width:5;stroke-linejoin:round;}

/* ---------- Win overlay ---------- */
.overlay{position:fixed;inset:0;background:rgba(8,28,48,.86);display:none;place-items:center;z-index:50;padding:20px;}
.overlay.show{display:grid;}
.win-card{background:#fff;border-radius:28px;padding:clamp(20px,4vw,44px);text-align:center;max-width:520px;box-shadow:var(--shadow);animation:pop .4s ease;}
@keyframes pop{from{transform:scale(.7);opacity:0;}to{transform:scale(1);opacity:1;}}
.win-card h2{font-size:clamp(1.6rem,5vw,2.6rem);margin:.2em 0;color:var(--accent2);}
.win-emoji{font-size:clamp(3rem,12vw,5rem);}
.win-stats{color:var(--muted);font-size:1.15rem;font-weight:700;margin:.4em 0 1em;}
canvas#confetti{position:fixed;inset:0;pointer-events:none;z-index:49;}

footer{width:100%;max-width:1500px;color:rgba(255,255,255,.7);font-size:.78rem;text-align:center;margin-top:14px;}
footer a{color:rgba(255,255,255,.9);}

/* ---------- Embed mode ---------- */
body.embed{padding:6px;}
body.embed header .tags,body.embed footer,body.embed .back-link{display:none;}
body.embed header{margin-bottom:6px;}
body.embed h1{font-size:clamp(1.1rem,3vw,1.6rem);}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);}

/* ===========================================================
   Site shell (homepage) only
   =========================================================== */
.hero{width:100%;max-width:1100px;text-align:center;color:#fff;margin:clamp(10px,3vw,30px) 0;}
.hero h1{font-size:clamp(1.8rem,5vw,3.2rem);}
.hero p{font-size:clamp(.95rem,2vw,1.25rem);color:rgba(255,255,255,.85);max-width:680px;margin:.5em auto 0;}
.filters{width:100%;max-width:1100px;display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:18px;}
.chip{background:rgba(255,255,255,.14);color:#fff;border:none;cursor:pointer;font-weight:700;
  padding:9px 16px;border-radius:999px;font-size:.95rem;transition:all .15s ease;}
.chip.active,.chip:hover{background:#fff;color:var(--ink);}
.grid{width:100%;max-width:1100px;display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));
  gap:clamp(12px,2vw,20px);padding-bottom:30px;}
.game-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;
  text-decoration:none;color:var(--ink);display:flex;flex-direction:column;transition:transform .12s ease;}
.game-card:hover{transform:translateY(-4px);}
.game-thumb{height:120px;display:grid;place-items:center;font-size:3.4rem;
  background:linear-gradient(135deg,var(--card-back),var(--card-back2));color:#fff;}
.game-body{padding:14px 16px;display:flex;flex-direction:column;gap:8px;flex:1;}
.game-title{font-weight:800;font-size:1.15rem;}
.game-meta{display:flex;flex-wrap:wrap;gap:6px;}
.pill{background:#eef2f6;color:var(--muted);font-size:.72rem;font-weight:700;padding:3px 9px;border-radius:999px;}
.game-desc{color:var(--muted);font-size:.9rem;flex:1;}
.game-card.ai{background:linear-gradient(135deg,#1f7a8c,#0e3a5f);color:#fff;}
.game-card.ai .game-thumb{background:rgba(255,255,255,.12);}
.game-card.ai .game-title{color:#fff;}
.game-card.ai .game-desc{color:rgba(255,255,255,.85);}
.game-card.ai .pill{background:rgba(255,255,255,.18);color:#fff;}
.soon{font-size:.7rem;background:var(--accent);color:#10243a;padding:2px 8px;border-radius:999px;font-weight:800;}

/* ===========================================================
   Word Search (whole-class / whiteboard)
   =========================================================== */
.ws-wrap{width:100%;max-width:1500px;display:flex;flex-wrap:wrap;gap:clamp(12px,2vw,26px);
  align-items:flex-start;justify-content:center;}
.ws-grid-wrap{flex:1 1 520px;display:flex;justify-content:center;}
.ws-grid{display:grid;grid-template-columns:repeat(var(--n,12),1fr);gap:clamp(2px,.5vw,6px);
  width:min(94vw,78vh,720px);background:rgba(255,255,255,.10);padding:clamp(4px,1vw,10px);
  border-radius:16px;touch-action:none;user-select:none;-webkit-user-select:none;}
.ws-cell{aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;
  border:2px solid #e7edf2;background:#fff;border-radius:8px;cursor:pointer;padding:0;
  font-weight:800;color:var(--ink);line-height:1;font-size:clamp(.8rem,2.6vw,1.7rem);
  transition:background .1s ease,transform .05s ease;}
.ws-cell:hover{background:#eef6ff;}
.ws-cell.ws-anchor{background:var(--accent);color:#10243a;box-shadow:0 0 0 4px rgba(230,159,0,.45);transform:scale(1.04);}
.ws-cell.ws-preview{background:#cfe8ff;}
.ws-cell.ws-found{cursor:default;}
.ws-cell.ws-bad{background:#ffd5d5 !important;border-color:#e23b3b !important;}
.ws-cell.ws-hint{animation:wsPulse .7s ease 2;}
@keyframes wsPulse{0%,100%{background:#fff;}50%{background:var(--accent);color:#10243a;}}
.ws-grid.ws-ar .ws-cell{font-size:clamp(1rem,3.4vw,2.1rem);font-family:"Segoe UI","Tahoma","Geeza Pro","Arial",sans-serif;}
.ws-grid.ws-kana .ws-cell{font-size:clamp(.9rem,3vw,1.9rem);}
.ws-side{flex:1 1 260px;max-width:360px;background:var(--panel);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:clamp(12px,1.6vw,18px);}
.ws-h2{margin:0 0 10px;font-size:clamp(1rem,1.8vw,1.25rem);color:var(--ink);}
.ws-words{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px;}
.ws-word{background:#eef2f6;border-radius:999px;padding:7px 14px;font-weight:800;color:var(--ink);
  font-size:clamp(.9rem,1.6vw,1.1rem);display:flex;gap:8px;align-items:baseline;}
.ws-word .ws-w{letter-spacing:.02em;}
.ws-word .ws-tr{font-weight:600;color:var(--muted);font-size:.82em;}
.ws-word.ws-done{opacity:.55;text-decoration:line-through;text-decoration-color:var(--wc,var(--accent));
  text-decoration-thickness:3px;background:#e7f5ef;}
.ws-rtl .ws-word{direction:rtl;}
.ws-rtl .ws-word .ws-w{font-family:"Segoe UI","Tahoma","Geeza Pro","Arial",sans-serif;font-size:1.15em;}
body.embed .ws-side{flex-basis:220px;}
.game-thumb{position:relative;}
.ws-badge{position:absolute;bottom:8px;right:8px;background:rgba(16,36,58,.72);color:#fff;
  font-size:.62rem;font-weight:800;padding:3px 8px;border-radius:999px;letter-spacing:.02em;}

/* ===========================================================
   Sumud Learning Hive — brand bar
   =========================================================== */
.brandbar{width:100%;max-width:1500px;margin:2px auto 0;display:flex;align-items:center;justify-content:center;}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;padding:6px 10px;border-radius:14px;transition:background .15s ease;}
.brand:hover{background:rgba(255,255,255,.08);}
.brand-logo{width:34px;height:34px;display:block;flex:none;filter:drop-shadow(0 2px 3px rgba(0,0,0,.25));}
.brand-name{color:#fff;font-weight:800;font-size:clamp(1.05rem,2.2vw,1.4rem);letter-spacing:.01em;line-height:1.05;}
.brand-name small{display:block;font-weight:600;color:rgba(255,255,255,.72);font-size:.56em;letter-spacing:.08em;text-transform:uppercase;margin-top:2px;}
body.embed .brandbar{display:none;}
@media (max-width:520px){ .brand-name small{display:none;} }