@font-face{font-family:Kota;src:url('../assets/kota-book.woff')}@font-face{font-family:Kota;src:url('../assets/kota-demi.woff');font-weight:700}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;font:16px/1.4 Kota,Arial,sans-serif;background:linear-gradient(135deg,#dbefd6,#daeef1);color:#194a50}button,select{font:inherit}button{min-height:48px;border:1px solid #d6e3d0;border-radius:14px;background:#f2f6e6;color:#1a565c;font-weight:700;padding:10px 16px;cursor:pointer;touch-action:manipulation}button:disabled{opacity:.45;cursor:default}.primary{background:#10666e;border-color:#10666e;color:white}.lab-shell{min-height:100dvh;display:flex;flex-direction:column}header{display:flex;align-items:center;gap:12px;padding:15px 25px;background:#fffef4;border-radius:0 0 24px 24px;box-shadow:0 4px 0 #bed8cb44}.brand{display:flex;align-items:center;gap:12px;margin-right:auto}.brand>span{font-size:42px}h1{margin:0;font-size:30px;line-height:1.1}.brand p{margin:3px 0 0;font-size:15px;color:#5b7a72}.back,.basic{display:flex;align-items:center;justify-content:center;text-decoration:none;border-radius:14px;min-height:48px;background:#eef3df;color:#1a565c;font-weight:700;padding:8px 15px}.back{font-size:34px;min-width:48px;padding:0}.basic{font-size:15px}main{padding:18px 20px;max-width:1800px;width:100%;margin:auto;flex:1;display:flex;flex-direction:column;gap:16px}.tabs{display:flex;gap:10px}.tabs button{flex:1;font-size:20px;background:#fffff2}.tabs .active{background:#11666d;border-color:#11666d;color:white}.lab-layout{display:grid;grid-template-columns:minmax(0,1fr) 315px;gap:16px;flex:1;min-height:0}.board-panel{background:#fcfff4;border:1px solid #dce7d1;border-radius:25px;padding:18px;display:flex;flex-direction:column;gap:14px;min-height:0}.board-top{display:flex;justify-content:space-between;gap:20px;align-items:center}.board-top b{font-size:20px}.board-top span{font-size:14px;color:#678176}.grid{position:relative;display:grid;grid-template-columns:repeat(10,1fr);gap:0;max-width:760px;margin:auto;width:100%;aspect-ratio:10/6;border-top:1px solid #89bfb4;border-left:1px solid #89bfb4;background:white;border-radius:3px;overflow:hidden}.cell{border:0;border-right:1px solid #89bfb4;border-bottom:1px solid #89bfb4;border-radius:0;background:#f3faf1;padding:0;min-height:0;position:relative;font-size:18px;font-weight:700;color:#155468}.cell.seed{background:#73b7df;color:#16496a;opacity:1}.cell.filled{background:#ffdb68;color:#75550f}.cell.area-filled{background:#63baa0;color:#123c35}.cell.axis{border-right:4px dashed #ed7655}#flatBoard{flex:1;display:flex;flex-direction:column;justify-content:center;min-height:0}#gridLegend{text-align:center;font-size:14px;color:#597c79;margin-top:10px}.board-bottom{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.board-bottom span{margin-left:auto;font-size:15px;font-weight:700}.mission{background:#fffff4;border:1px solid #dee7d2;border-radius:25px;padding:22px;display:flex;flex-direction:column;gap:14px}.badge{font-size:14px;font-weight:700;border-radius:30px;padding:7px 12px;background:#e8efd8;align-self:flex-start}.mission h2{font-size:30px;line-height:1.1;margin:0}.mission>p{margin:0;font-size:18px}.mission #listenButton{align-self:flex-start;min-height:43px;padding:8px 15px}.measure-cards{display:grid;grid-template-columns:1fr 1fr;gap:9px}.measure-cards>div{display:flex;flex-direction:column;background:#f1f4e6;border-radius:17px;padding:14px 9px;text-align:center}.measure-cards span{font-size:14px}.measure-cards strong{font-size:36px;line-height:1.1;margin-top:5px}.reason{background:#e9f4f5;padding:14px;border-radius:15px;font-size:15px}.reason p{margin:6px 0 0}.mission #checkButton{margin-top:auto}#feedback{font-size:15px;background:#fff3d2;border-radius:13px;padding:11px;color:#655c36}#feedback.good{background:#e0f0df;color:#285b3c}#feedback.bad{background:#ffeadf;color:#825335}.building-tabs{display:flex;gap:8px;align-items:center;margin-bottom:10px}.building-tabs span{margin-left:auto;font-weight:700}.active{background:#176b74!important;border-color:#176b74!important;color:white!important}.cube-layout{display:grid;grid-template-columns:minmax(0,1fr) 210px;gap:14px;align-items:center}.cube-view svg{width:100%;height:auto;max-height:390px;background:#eaf5ee;border-radius:18px}.cube-view label{display:flex;align-items:center;gap:8px;font-size:14px;justify-content:center}.cube-view select{font-size:15px;border:1px solid #ccdacb;border-radius:9px;padding:8px}.footprint b{font-size:16px}.edit-toggle{display:flex;gap:7px;margin:10px 0}.edit-toggle button{font-size:14px;padding:8px;min-height:40px;flex:1}#heightGrid{display:grid;grid-template-columns:repeat(4,1fr);gap:5px}#heightGrid button{min-height:43px;border-radius:10px;padding:5px;background:#f6df94;color:#654f1f;font-size:20px}#heightGrid button.zero{background:#f1f5eb;color:#58766b}.footprint p,#layerCounts{font-size:14px;color:#54706b;line-height:1.5}#layerCounts{padding:10px;border-radius:12px;background:#edf2e0}#volumeBoard{margin-block:auto}footer{text-align:center;font-size:14px;padding:0 10px 12px}dialog{border:0;border-radius:25px;max-width:540px;width:calc(100% - 28px);padding:28px;color:#194a50;font:16px Kota,Arial,sans-serif}dialog::backdrop{background:#193f4a88}dialog h2{font-size:28px;margin:0 0 20px}dialog label{display:block;margin-bottom:18px;font-weight:700}dialog select{display:block;width:100%;padding:12px;border:1px solid #cbd9c7;border-radius:12px;background:white;color:#235359;margin-top:8px}.check{display:flex!important;align-items:center;gap:10px}.check input{width:22px;height:22px}dialog form{text-align:right}@media(min-width:1100px) and (min-height:680px){.lab-shell{height:100dvh}header{padding-block:12px}main{min-height:0}.grid{max-height:100%;width:auto;height:100%;max-width:100%;aspect-ratio:10/6}.mission{overflow:auto;padding:18px;gap:10px}.mission>p{font-size:17px}.mission h2{font-size:27px}.board-panel{padding:15px}.cube-view svg{max-height:calc(100dvh - 340px)}.reason{font-size:14px;padding:12px}.measure-cards>div{padding:10px}.measure-cards strong{font-size:32px}}@media(max-width:1000px){.lab-layout{grid-template-columns:1fr}.mission{display:grid;grid-template-columns:1fr 1fr}.mission h2,.mission>p{grid-column:1/-1}.cube-view svg{max-height:390px}.brand>span{display:none}.brand h1{font-size:26px}.brand p{font-size:13px}.basic{display:none}header{padding:12px;gap:8px}.board-top{flex-wrap:wrap;gap:8px}}@media(max-width:600px){main{padding:12px}.tabs{gap:6px}.tabs button{font-size:14px;padding:10px 7px}h1{font-size:23px}.brand p{font-size:12px}header>button{font-size:13px;padding:9px}.board-panel{padding:12px}.board-top b{font-size:18px}.board-bottom button{font-size:14px;padding:8px 12px}.board-bottom span{width:100%;text-align:center}.mission{padding:16px;gap:12px}.cube-layout{grid-template-columns:1fr}.cube-view svg{max-height:280px}.footprint{max-width:300px;width:100%;margin:auto}#heightGrid button{min-height:48px}.building-tabs button{font-size:14px;padding:9px}.building-tabs{flex-wrap:wrap}.building-tabs span{font-size:14px}.mission h2{font-size:26px}.grid{aspect-ratio:10/7}.cell{font-size:13px}}

@media(min-width:1100px) and (min-height:680px){.grid{height:auto;width:min(100%,calc((100dvh - 340px)*1.6667));aspect-ratio:10/6;flex-shrink:0}.grid .cell{aspect-ratio:1}}