@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;600;700;800&display=swap');
:root{font-family:'DM Sans',sans-serif;color:#183c38;background:#f4f6f1}*{box-sizing:border-box}body{margin:0}button,select{font:inherit;cursor:pointer}button{border:1px solid #d8e1d9;background:#fff;border-radius:9px;padding:10px 13px;color:#244740;font-weight:600}button:hover{background:#e8f3e9}button:focus-visible,select:focus-visible{outline:3px solid #faaf51}header{height:82px;padding:0 4%;background:#fff;border-bottom:1px solid #dde4dc;display:flex;align-items:center;justify-content:space-between}.brand{font-size:22px;font-weight:800;letter-spacing:1px}.brand>span:last-child{font-weight:400}.drop{color:#16896c;margin-right:10px}.tag{font-size:11px;letter-spacing:2px;color:#70847d}main{max-width:1500px;margin:auto;padding:32px 4%}.intro{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:26px}.eyebrow{font-size:10px;letter-spacing:2px;color:#678873;font-weight:700}h1{font-family:Manrope,sans-serif;font-size:32px;letter-spacing:-1px;margin:8px 0}p{color:#6d8077;margin:6px 0;font-size:14px}.level{min-width:250px}.level label{display:block;font-size:10px;font-weight:700;letter-spacing:1.7px;margin-bottom:9px}select{background:white;border:1px solid #d3ded3;border-radius:9px;padding:12px;width:100%;color:#254d42}.workspace{display:grid;grid-template-columns:210px 1fr;gap:20px}aside,.work{background:white;border:1px solid #dce4db;border-radius:16px;overflow:hidden}.asidehead{padding:19px 16px 12px}h2{font-size:17px;margin:0 0 5px}small{font-size:11px;color:#78867f}#palette{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:8px 12px}.part{padding:4px 2px 9px;font-size:11px;font-weight:500;touch-action:none}.part svg{display:block;width:100%;height:50px}.part.active{border:2px solid #198c6b;background:#edf8f1}.tip{font-size:12px;color:#718277;line-height:1.7;padding:18px}.toolbar{display:flex;justify-content:space-between;align-items:center;padding:18px 22px;border-bottom:1px solid #e7ece5;gap:15px}.toolbar b{font-size:15px}.toolbar p{font-size:12px}.primary{background:#14785c;color:white;border-color:#14785c;white-space:nowrap}.primary:hover{background:#096349}.boardwrap{padding:12px;background:#f8faf6}#board{width:100%;display:block;touch-action:none;user-select:none}.controls{display:flex;flex-wrap:wrap;gap:7px;align-items:center;padding:12px 18px;border-top:1px solid #e7ece5}.controls span{font-size:12px;margin-right:auto}.controls button{font-size:12px;padding:8px}kbd{color:#86958a;font-size:10px}#feedback{margin:0 18px 8px;border-radius:8px;background:#eff5ec;padding:14px;font-size:13px;line-height:1.6}#feedback.success{background:#def5e4;color:#12633f}#feedback.error{background:#fff0e4;color:#8e471d}.bottom{display:flex;gap:8px;align-items:center;padding:8px 18px 16px}.bottom span{margin-right:auto;font-size:12px;color:#77897d}.bottom button{border:0;font-size:12px}footer{font-size:11px;color:#7e8c81;margin-top:18px;line-height:1.6}footer span{float:right}dialog{border:0;border-radius:18px;max-width:500px;padding:30px;color:#254b40;box-shadow:0 20px 90px #1236}dialog::backdrop{background:#163a3866}dialog li{margin:14px 0;line-height:1.6;font-size:14px}.flow{stroke-dasharray:5 9;animation:water .6s linear infinite}@keyframes water{to{stroke-dashoffset:-28}}@media(max-width:850px){.tag{display:none}.intro{align-items:stretch;flex-direction:column}h1{font-size:26px}.workspace{grid-template-columns:1fr}#palette{grid-template-columns:repeat(5,1fr)}.tip{display:none}main{padding:20px 12px}.asidehead{padding:12px}footer span{float:none;display:block}.toolbar{padding:12px}.controls span{width:100%}}
.work{min-width:0}.boardwrap{height:600px;overflow:auto;scrollbar-color:#8cb6a3 #ecf0e9;scrollbar-width:auto}#board{max-width:none;width:1200px;height:auto}.viewporttools{display:flex;align-items:center;gap:10px;padding:10px 16px;font-size:12px;background:#f0f5ed}.viewporttools>span:first-of-type{margin-right:auto;color:#6a8072}.viewporttools button{padding:5px 10px}aside{max-height:920px;overflow:auto}.part svg{height:58px}.controls{background:#f7faf3}.controls #rotate{background:#e5f5e8;border-color:#83b69d}.controls span{font-weight:700}.flow{pointer-events:none}@media(max-width:850px){.boardwrap{height:470px}.viewporttools>span:first-of-type{display:none}#palette{grid-template-columns:repeat(4,1fr)}aside{max-height:290px}.viewporttools{gap:6px}}
.zonepanel{padding:16px 12px;border-top:1px solid #dce8da;background:#f3f8f0}.zonepanel small{font-size:10px}.zonepanel p{font-size:11px;line-height:1.5}.zone{display:flex;gap:4px;margin-top:8px}.zone button{font-size:10px;padding:8px 4px;flex:1}.zone .on{background:#daf3e0;color:#176143}.zone .off{background:#eee8e3;color:#765e4b}.watering{animation:spray 1s linear infinite}@keyframes spray{0%{opacity:.35}100%{opacity:1}}.viewporttools{flex-wrap:wrap}#board{width:4800px}.flow{stroke-dasharray:3 11;animation:water 1.1s linear infinite}.work{align-self:start}
#zones{max-height:190px;overflow:auto}.zonepanel{border-bottom:1px solid #dce8da}.zonepanel h2{font-size:14px}
.headeractions{display:flex;gap:8px;align-items:center}.headeractions a{font-size:11px;color:#26634e}.tag{display:none}#cloudDialog{width:min(760px,94vw);max-width:760px}#teacherDialog{width:min(1100px,96vw);max-width:1100px}dialog label{display:block;font-size:12px;margin:12px 0}dialog input{display:block;width:100%;padding:10px;border:1px solid #b9ccc2;border-radius:7px;margin-top:5px;font:inherit}.cloudgrid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.cloudgrid h3{font-size:15px}.cloudbuttons{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}#studentCode{word-break:break-all;display:block;padding:12px;background:#eaf4e6}#myDesigns{display:grid;gap:7px;margin-top:12px}.tablewrap{overflow:auto;max-height:55vh}table{width:100%;border-collapse:collapse;font-size:12px}td,th{padding:10px;text-align:left;border-bottom:1px solid #d9e6da}#reviewBanner{padding:12px;background:#fff0d4;margin-bottom:16px;border-radius:10px}#reviewBanner button{margin-left:12px}[hidden]{display:none!important}@media(max-width:700px){header{height:auto;padding:12px;gap:10px;flex-wrap:wrap}.headeractions{flex-wrap:wrap}.cloudgrid{grid-template-columns:1fr}}
#fertPanel{margin:10px 18px;padding:16px;border-radius:10px;background:#eff5df}#fertPanel h3{font-size:15px;margin:0 0 10px}.fertfields{display:flex;gap:9px;flex-wrap:wrap;align-items:end}.fertfields label{font-size:11px;flex:1;min-width:100px}.fertfields input{width:100%;padding:8px;margin-top:5px;border:1px solid #bbceb0;border-radius:6px;font:inherit}#fertPanel small{font-size:11px;line-height:1.5;display:block}.viewporttools label{font-size:11px;display:flex;align-items:center;gap:4px}
#loginScreen{min-height:80vh;display:grid;place-items:center;padding:30px 16px}.loginCard{width:min(470px,100%);background:white;padding:36px;border:1px solid #d5e4d5;border-radius:20px;box-shadow:0 20px 70px #244d3c0c}.loginCard h1{font-size:27px}.loginCard label{display:block;font-size:13px;margin:18px 0}.loginCard input{width:100%;font:inherit;padding:12px;border:1px solid #bccfc0;border-radius:8px;margin-top:7px}.loginCard button{width:100%}#loginStatus{min-height:22px;color:#925024}#sessionLabel{font-size:11px;color:#61816d}.zonepanel{border:1px solid #c7ddcc;border-radius:12px;margin-bottom:18px;background:#eaf5eb;padding:15px}.zonepanel h2{font-size:17px}#zones{display:flex;gap:10px;overflow:auto;max-height:170px}.zone{min-width:205px;margin-top:10px;border:1px solid #bdd7c4;border-radius:8px;padding:5px;background:#fff}.zone button{font-size:12px}.usermanager{padding:18px;background:#f3f7ef;border-radius:12px;margin:18px 0}.usermanager h3{margin:4px 0}.usermanager textarea{display:block;width:100%;margin:10px 0;padding:10px;font:inherit;border:1px solid #bfd0c0;border-radius:8px}.checkrow{display:flex;align-items:center;gap:8px}.checkrow input{width:auto;margin:0}#pressurePanel{padding:16px;margin:12px 18px;border:1px solid #d0dca9;border-radius:10px;background:#f5f7e6}#pressurePanel h3{font-size:15px}#pressurePanel input{padding:8px;border-radius:6px;border:1px solid #bcccaf;width:100px;margin:0 10px}#pressurePanel small{display:block;margin-top:10px}.headeractions{flex-wrap:wrap}