/* style.css - ringkas dan mesra murid */
:root{
  --primary:#2b7a78;
  --muted:#f4f4f4;
  --card:#ffffff;
  --accent:#3aafa9;
}
*{box-sizing:border-box}
body{font-family:Segoe UI, Roboto, Arial, sans-serif;margin:0;background:linear-gradient(180deg,#f7f9fb,#ffffff);color:#163a3a}
.wrap{max-width:1000px;margin:0 auto;padding:0 16px}
.site-header{background:var(--primary);color:white;padding:18px 0}
.site-header h1{margin:0;font-size:1.6rem}
.site-header .tag{opacity:0.95;margin-top:6px}
.container{display:flex;gap:12px;padding:18px 0;align-items:flex-start}
.sidebar{width:220px;background:var(--card);padding:12px;border-radius:10px;box-shadow:0 4px 12px rgba(0,0,0,0.06)}
.nav-btn{display:block;width:100%;padding:10px;border:0;background:none;text-align:left;border-radius:6px;cursor:pointer;margin-bottom:6px}
.nav-btn.active{background:var(--muted)}
.note{font-size:0.85rem;color:#666;margin-top:8px}
.main{flex:1}
.panel{background:var(--card);padding:16px;border-radius:10px;box-shadow:0 6px 18px rgba(0,0,0,0.05)}
.hidden{display:none}
.cards{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.card{flex:1;min-width:180px;padding:12px;border-radius:8px;border:1px solid #eee;background:linear-gradient(180deg,#fff,#fbfbff)}
.primary{background:var(--accent);border:0;color:white;padding:8px 12px;border-radius:8px;cursor:pointer}
.quiz-controls{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:12px}
.quiz-area{margin-top:10px}
.question-box{font-size:1.3rem;padding:16px;border-radius:8px;border:2px dashed #e0f2f1;background:linear-gradient(180deg,#fff,#f8fffd)}
.options{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.opt-btn{padding:10px 12px;border-radius:8px;border:1px solid #ddd;cursor:pointer;background:#fff}
.opt-btn.correct{outline:3px solid #4caf50}
.opt-btn.wrong{outline:3px solid #f44336}
.result{margin-top:12px;padding:10px;background:#fff;border-radius:8px;border:1px solid #eee}
.match-area{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-start}
.match-column{flex:1;min-width:200px;padding:10px;border-radius:8px;background:linear-gradient(180deg,#fff,#fbfbff);border:1px solid #eee}
.draggable{padding:8px;border-radius:6px;border:1px dashed #ccc;margin:6px 0;cursor:grab;background:#fff}
.drop-target{min-height:60px;padding:8px;border-radius:6px;border:2px dashed #cde;display:flex;align-items:center;justify-content:center;background:#fbfffe}
.count-area{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.objects{display:flex;gap:8px;flex-wrap:wrap}
.object{width:56px;height:56px;border-radius:8px;background:#fff;border:1px solid #eee;display:flex;align-items:center;justify-content:center;font-weight:bold}
.progress{font-size:0.95rem;color:#555}
.footer-note{font-size:0.85rem;color:#777}
@media(max-width:820px){
  .container{flex-direction:column}
  .sidebar{width:100%}
}