:root{--g:#0f766e;--g2:#14b8a6;--y:#f59e0b;--bg:#f8fafc;--t:#0f172a;--m:#475569;--c:#fff;--b:#e2e8f0}
*{box-sizing:border-box}body{margin:0;font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--t);background:var(--bg)}
a{color:var(--g)}header{background:#fff;border-bottom:1px solid var(--b);position:sticky;top:0;z-index:5}
.nav{max-width:1080px;margin:auto;display:flex;align-items:center;gap:16px;padding:10px 16px;flex-wrap:wrap}
.logo{font-weight:800;font-size:1.2rem;text-decoration:none;color:var(--t);margin-right:auto}.logo span{color:var(--g)}
.nav a.l{text-decoration:none;color:var(--m);font-weight:600;font-size:.95rem}.nav a.l:hover{color:var(--g)}
main{max-width:1080px;margin:auto;padding:24px 16px 48px}.narrow{max-width:760px}
.hero{background:linear-gradient(135deg,#0f766e,#14b8a6);color:#fff;border-radius:20px;padding:40px 28px;margin-bottom:28px}
.hero h1{font-size:clamp(1.8rem,5vw,2.8rem);margin:0 0 10px;line-height:1.15}.hero p{opacity:.95;font-size:1.1rem;margin:0}
.card{background:var(--c);border:1px solid var(--b);border-radius:16px;padding:22px;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.btn{display:inline-block;background:var(--g);color:#fff;border:0;border-radius:10px;padding:10px 18px;font-weight:700;font-size:1rem;cursor:pointer;text-decoration:none}
.btn.y{background:var(--y);color:#1f2937}.btn.o{background:#fff;color:var(--g);border:2px solid var(--g)}.btn.s{padding:6px 12px;font-size:.9rem}
input,select{font:inherit;padding:10px 12px;border:1px solid #cbd5e1;border-radius:10px;width:100%;background:#fff}
label{font-weight:600;font-size:.9rem;display:block;margin-bottom:4px}
.big{font-size:2.6rem;font-weight:800;color:var(--g)}.muted{color:var(--m)}.tag{display:inline-block;background:#ccfbf1;color:#115e59;border-radius:99px;padding:2px 10px;font-size:.8rem;font-weight:700;margin-right:6px}
.ages{display:flex;flex-wrap:wrap;gap:8px}.ages a{padding:8px 14px;border-radius:10px;background:#fff;border:1px solid var(--b);text-decoration:none;font-weight:700}
table{width:100%;border-collapse:collapse;background:#fff}td,th{padding:10px;border-bottom:1px solid var(--b);text-align:left}
footer{border-top:1px solid var(--b);background:#fff;padding:24px 16px;text-align:center;color:var(--m);font-size:.9rem}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:end}.row>*{flex:1;min-width:140px}
.coin{border-radius:50%;border:3px solid rgba(0,0,0,.15);font-weight:800;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;margin:6px;box-shadow:0 3px 0 rgba(0,0,0,.2)}
.coin:active{transform:translateY(2px)}.ok{color:#15803d;font-weight:800}.bad{color:#b91c1c;font-weight:800}
article h2{margin-top:1.6em}