*{box-sizing:border-box}body{font-family:system-ui,-apple-system,sans-serif;margin:0;background:#f7f8fa;color:#1c2734}main{max-width:780px;margin:auto;padding:20px 14px 60px}.panel{background:white;border:1px solid #dce3e9;border-radius:18px;padding:20px;margin:14px 0}h1{font-size:30px;margin:6px 0 12px}h2{font-size:24px}button,select,input{font:inherit}button,select{padding:10px 12px;border:1px solid #bdc8d2;border-radius:10px;background:white;cursor:pointer}button.primary{background:#155e4b;color:white;border-color:#155e4b}.nav{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.muted{color:#617182}.highlight{color:#16834a;font-weight:750}.bad{color:#b91c1c;font-weight:700}.good{color:#15803d;font-weight:700}.section{border-top:1px solid #e2e8ee;padding:14px 0}.section>button{width:100%;text-align:left;font-weight:700;display:flex;justify-content:space-between}.block{padding:10px 0;line-height:1.6}.example{font-size:19px}.translation{color:#526275}.hint{padding:10px;background:#f0f5fa;border-radius:10px}.status{font-size:14px}.quiz{border-top:1px solid #ddd;padding:16px 0}.quiz input{padding:12px;width:100%;border:1px solid #bbc5cc;border-radius:8px;margin:8px 0}.quiz button{margin:4px}.warning{border-left:4px solid #b45309;padding:12px;background:#fff9eb}.small{font-size:13px}@media(max-width:500px){h1{font-size:27px}.panel{padding:15px}}
.word-illustration{display:block;width:100%;max-width:520px;max-height:320px;object-fit:contain;margin:14px auto;border-radius:18px;background:#f5f9fb}

.nav{margin:9px 0}.nav button{font-size:14px}.quiz{border-top:1px solid #e2e8ee;padding:12px 0}.quiz input{width:100%;max-width:100%;padding:12px;border:1px solid #aab6c5;border-radius:9px;margin-top:8px;font-size:17px}.status{padding-top:7px}.status.good{color:#146c36}.status.bad{color:#9b2830}.word-illustration{width:100%;height:auto;max-height:290px;object-fit:contain;margin:12px auto;border-radius:14px}.panel .nav{display:flex;flex-wrap:wrap;gap:8px;align-items:center}@media(max-width:450px){main{padding:12px 9px 45px}.panel{padding:15px}h1{font-size:22px}.example{font-size:17px}}