@font-face{font-family:Sinhala;src:url(/assets/fonts/noto-serif-sinhala-verified.woff)}*{box-sizing:border-box}body{margin:0;background:#f1f7f5;color:#152d3b;font:17px/1.65 Arial,sans-serif}main{max-width:1000px;margin:auto;padding:20px 16px 70px;overflow-wrap:anywhere}header,article,aside,details.panel{background:#fff;border:1px solid #bad4c9;border-radius:14px;padding:22px;margin:18px 0}header{border-top:6px solid #016d5b}.brand{display:flex;align-items:center;justify-content:space-between;gap:15px}.brand img{width:76px;height:76px;object-fit:contain}.brand div{flex:1}h1{font-size:clamp(29px,5vw,44px);line-height:1.2}h2,h3{line-height:1.35;color:#085742}p{margin:10px 0}nav,.selectors{display:flex;flex-wrap:wrap;gap:10px}.selectors label{flex:1 1 160px;min-width:0}select{width:100%;min-width:0}select,button,a.btn{padding:11px;min-height:46px;font:inherit;border-radius:8px;border:1px solid #507e6c}button,a.btn{background:#115e49;color:#fff;cursor:pointer}button:disabled{opacity:.5;cursor:default}a{color:#07583f}label{display:block;margin:10px 0}textarea{display:block;width:100%;min-height:68px;padding:10px;font:inherit;border:1px solid #6f9b87;border-radius:8px}li{margin:18px 0}.words{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px}.words>div,.example{padding:12px;background:#eff7f2;border-left:3px solid #d69b27}.tag,.small{font-size:.9rem}.tag{font-weight:700;color:#a5102e}:lang(si){font-family:Sinhala,serif;line-height:1.9;color:#17604d}input[type=checkbox]{width:22px;height:22px;vertical-align:middle}summary{cursor:pointer;min-height:44px;font-weight:700}[hidden]{display:none!important}:focus-visible{outline:3px solid #b07d00;outline-offset:3px}.notice{background:#fff8e3}.complete{padding-top:18px}footer{border-top:1px solid #b7cfc0;margin-top:25px;padding:20px 0}@media(max-width:420px){main{padding:12px 10px 65px}header,article,aside{padding:16px}.brand img{width:58px;height:58px}.brand div{font-size:14px}.words{grid-template-columns:1fr 1fr}}