*{box-sizing:border-box}body{margin:0;font:14px system-ui;color:#183c4b;background:#edf3f5}header{display:flex;align-items:center;gap:24px;padding:18px 28px;background:white;border-bottom:1px solid #d7e3e7}header div{flex:1}h1{margin:2px 0;font-size:24px}small{color:#168673;letter-spacing:2px}a{color:#137e70;text-decoration:none}button,input,select{font:inherit}button{border:1px solid #c9d9df;background:white;border-radius:7px;padding:9px 12px;cursor:pointer;color:#204c5e}button:hover{background:#e3f3ed}.active,button.active{background:#147e6b;color:white;border-color:#147e6b}main{display:grid;grid-template-columns:290px 1fr;gap:22px;padding:22px}aside,.workspace{min-width:0}aside{background:white;padding:20px;border-radius:12px}h2{font-size:17px;margin-top:0}.presets{display:grid;gap:8px}#description{color:#607985;line-height:1.5}form{display:grid;grid-template-columns:1fr 1fr;gap:12px}label{font-size:12px;color:#56717c}label input:not([type=checkbox]),label select{width:100%;margin-top:5px;padding:8px;border:1px solid #cbdbe1;border-radius:5px;color:#143b4b}.check{display:block;margin-top:15px}.note{font-size:12px;color:#6c818a;line-height:1.5}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:16px}.metric{padding:16px;background:white;border-radius:10px}.metric b{display:block;font-size:23px;margin-top:6px}.metric small{letter-spacing:0;color:#708894}.toolbar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}#viewport{position:relative;height:540px;border:1px solid #cbdde4;border-radius:12px;overflow:hidden;background:#e9f0f4}canvas,svg{display:block;width:100%;height:100%}[hidden]{display:none!important}#hint{position:absolute;bottom:12px;left:16px;background:#ffffffd9;padding:8px 12px;border-radius:6px;font-size:12px}#message{min-height:20px;color:#ad5425}.review{background:#fff6e7;border-left:4px solid #d7a44d;padding:15px;border-radius:7px}.review p,details p{font-size:13px;line-height:1.6;margin-bottom:0}details{background:white;margin-top:14px;padding:16px;border-radius:8px}#quantities{line-height:1.9;margin-top:12px}@media(max-width:760px){main{grid-template-columns:1fr}form{grid-template-columns:repeat(3,1fr)}header{flex-wrap:wrap}#viewport{height:440px}.metrics{grid-template-columns:1fr 1fr}}