:root{--bg:#f5f6f4;--panel:#fff;--panel-2:#edf1ef;--border:#dfe5e1;--text:#1d302c;--muted:#66756f;--accent:#176d70;--accent-soft:#e7f2ef;--bad:#a03131;--good:#26714b;--shadow:0 8px 32px #163c2910}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.55 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--accent);text-decoration:none}button,input,select{font:inherit}button,.button{cursor:pointer;padding:10px 17px;border:1px solid var(--border);border-radius:7px;background:var(--panel);color:var(--text);font-weight:550;display:inline-flex;align-items:center;gap:9px;justify-content:center}button:hover,.button:hover{border-color:var(--accent);background:var(--accent-soft)}button:disabled{opacity:.5;cursor:wait}.primary{background:var(--accent);border-color:var(--accent);color:#fff}.primary:hover{background:#125d60;color:#fff}.quiet{border-color:transparent;background:transparent}.small{font-size:12px}.muted{color:var(--muted)}.eyebrow{font-size:11px;font-weight:700;letter-spacing:1.8px;color:var(--accent);margin:0 0 12px}.topbar{height:76px;padding:0 4%;display:flex;align-items:center;gap:32px;background:var(--panel);border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:700;color:var(--text);white-space:nowrap}.brand img{width:33px;height:33px}.brand span{font-size:13px;color:var(--muted);font-weight:400;margin-left:3px}.topbar nav{display:flex;align-items:center;gap:26px;margin-left:auto}.topbar nav a{font-size:13px;color:var(--muted)}.topbar nav a.active{color:var(--accent);font-weight:650}.tabs{display:flex;align-items:center;gap:25px;padding:0 4%;height:52px;background:var(--panel);border-bottom:1px solid var(--border);overflow-x:auto;overflow-y:hidden}.tabs a{white-space:nowrap;color:var(--muted);padding:15px 0;border-bottom:2px solid transparent;font-size:13px}.tabs a.active{color:var(--accent);border-color:var(--accent)}#app{max-width:1420px;margin:auto;padding:40px 4% 60px}.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin:0 0 28px}h1{font-size:34px;line-height:1.18;letter-spacing:-1.1px;margin:0 0 13px;font-weight:580}h2{font-size:21px;font-weight:580;letter-spacing:-.4px;margin:0 0 12px}h3{font-size:15px;margin:0 0 8px;font-weight:600}p{margin:0 0 14px}.subtitle{font-size:15px;color:var(--muted);max-width:730px;margin-bottom:0}.hero{padding:22px 0 35px;max-width:830px}.hero h1{font-size:48px}.split{display:grid;grid-template-columns:1fr 1fr;gap:22px}.project-card,.panel{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:28px}.project-card{color:var(--text);box-shadow:var(--shadow)}.project-card:hover{border-color:#a6c4ba}.project-card h2{font-size:26px}.project-art{height:190px;background:#fafbf9;border:1px solid var(--border);border-radius:8px;display:flex;align-items:center;justify-content:center;margin-bottom:25px;overflow:hidden}.project-art svg{height:166px;max-width:95%;stroke:var(--accent)}.card-footer{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:24px}.tag{display:inline-block;padding:3px 8px;font-size:11px;background:var(--panel-2);border-radius:4px;color:var(--muted)}.stats{display:flex;gap:38px;padding:28px 0;color:var(--muted);flex-wrap:wrap}.stats strong{display:block;font-size:24px;color:var(--text);font-weight:570}.section-head{display:flex;align-items:center;justify-content:space-between;margin:30px 0 16px}.section-head h2{margin:0}.searchbar{display:flex;gap:12px;margin-bottom:20px;align-items:center}.searchbar input{flex:1;max-width:480px}input,select{border:1px solid var(--border);border-radius:6px;padding:10px 12px;background:#fff;min-width:0;color:var(--text)}input:focus,select:focus{outline:2px solid #176d7030;border-color:var(--accent)}.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:18px}.tile{display:block;background:var(--panel);border:1px solid var(--border);border-radius:9px;color:var(--text);overflow:hidden}.tile:hover{border-color:#9cbcaf;box-shadow:var(--shadow)}.tile-image{height:170px;background:#fff;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--border);overflow:hidden}.tile-image img{width:100%;height:100%;object-fit:contain;padding:12px}.tile-content{padding:15px}.tile-content h3{font-size:13px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere;min-height:40px}.tile-content p{font-size:11px;color:var(--muted);margin:5px 0 0}.placeholder{color:#aab7b0;font-size:12px}.notice{border-left:3px solid var(--accent);background:var(--accent-soft);padding:14px 18px;border-radius:0 7px 7px 0;margin:20px 0;color:#31574e}.notice.warn{border-color:#b68739;background:#fbf6eb;color:#6c5837}.loading,.empty{padding:50px;text-align:center;color:var(--muted)}.pager{display:flex;justify-content:center;align-items:center;gap:22px;margin-top:25px}.back{display:inline-block;font-size:12px;margin-bottom:22px}.documents{display:grid;grid-template-columns:1fr 1fr;gap:22px}.document{border:1px solid var(--border);background:var(--panel);border-radius:10px;overflow:hidden}.doc-heading{padding:18px 20px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;gap:10px;align-items:center}.doc-heading h3{margin:0}.sheet{height:410px;padding:20px;background:#fff;display:flex;justify-content:center;align-items:center;cursor:zoom-in}.sheet img{height:100%;width:100%;object-fit:contain}.thumbs{display:flex;gap:8px;padding:10px 15px;overflow:auto;border-top:1px solid var(--border)}.thumbs button{flex:0 0 55px;height:62px;padding:4px;border-radius:4px}.thumbs img{width:100%;height:100%;object-fit:contain}.doc-foot{padding:12px 20px;font-size:12px;border-top:1px solid var(--border)}.issue{padding:18px 0;border-bottom:1px solid var(--border)}.issue p{margin:8px 0;white-space:pre-wrap}.issue:last-child{border:0}.file-links{display:flex;flex-wrap:wrap;gap:9px}.file-links a{font-size:12px;padding:8px 11px;background:var(--panel-2);border-radius:5px}.model-preview{height:410px;display:flex;align-items:center;justify-content:center;background:var(--panel);border:1px solid var(--border);border-radius:12px}.model-preview img{width:100%;height:100%;object-fit:contain;padding:20px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.prose{max-width:850px}.prose h2{margin-top:28px}.prose p,.prose li{color:#4c6057}.prose li{margin:8px 0}.prose code{font-size:12px}.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:20px 0}.result-grid .panel{padding:20px}.result-grid strong{font-size:28px;display:block}.frame-head{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-bottom:18px}.frame-head h1{font-size:23px;margin:0}.engine-frame{width:100%;height:calc(100vh - 220px);min-height:600px;border:1px solid var(--border);border-radius:10px;background:white}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;gap:90px;padding:35px}.login-card{width:360px;flex-shrink:0}.login-card h1{font-size:42px;line-height:1.13;margin-bottom:20px}.login-icon{width:46px;margin-bottom:32px}.login-card form{margin:27px 0 20px}.login-card label{font-size:12px;display:block;margin:15px 0 7px}.login-card input{width:100%}.login-card button{width:100%;justify-content:space-between}.login-drawing{width:420px;color:var(--accent);opacity:.7;text-align:center}.login-drawing svg{width:100%;stroke-width:1.2}.login-drawing p{font-size:10px;letter-spacing:3px}.login-card #error{font-size:12px;color:var(--bad);margin:12px 0}#toast{position:fixed;bottom:22px;right:22px;z-index:20;max-width:480px;border:1px solid var(--border);border-radius:8px;padding:13px 18px;background:var(--panel);box-shadow:var(--shadow);display:none}#toast.visible{display:block}dialog{border:1px solid var(--border);border-radius:12px;max-width:1000px;width:92vw;max-height:94vh;padding:30px}dialog::backdrop{background:#152820c9}.close{position:absolute;right:12px;top:10px;font-size:24px;padding:1px 10px;z-index:2}#lightbox-body>img{width:100%;height:78vh;object-fit:contain}#lightbox-body form{max-width:450px;margin:auto}#lightbox-body label{display:block;margin:12px 0 5px}#lightbox-body input{width:100%}.label-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.footnote{font-size:12px;color:var(--muted);margin-top:20px}.doc-heading select{max-width:70%;font-size:11px}.list-row{padding:16px 0;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;gap:20px}.file-icon{font-size:36px;color:#bfd3ca}.version-label{font-weight:650;color:var(--accent);font-size:12px;letter-spacing:.5px;margin-bottom:12px}
@media(max-width:900px){.brand span{display:none}.topbar{gap:15px}.topbar nav{gap:15px}.hero h1{font-size:37px}.login-drawing{width:300px}.login-page{gap:40px}.result-grid{grid-template-columns:1fr}.page-head{align-items:flex-start}.sheet{height:330px}}
@media(max-width:640px){.topbar{height:auto;min-height:67px;flex-wrap:wrap;padding:15px 5%;gap:10px}.topbar nav{order:3;width:100%;gap:24px}.topbar #account-button{margin-left:auto}.tabs{padding:0 5%;gap:22px}.split,.documents{grid-template-columns:1fr}#app{padding:26px 5% 45px}.hero{padding-top:10px}.hero h1{font-size:34px}.project-card,.panel{padding:22px}.project-art{height:145px}.gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.tile-image{height:138px}.tile-content{padding:12px}.tile-content h3{font-size:12px}.page-head{display:block}h1{font-size:28px}.searchbar{flex-wrap:wrap}.searchbar input{width:100%;flex:auto}.searchbar select{width:100%}.login-drawing{display:none}.login-card{width:100%;max-width:360px}.stats{gap:25px}.frame-head{align-items:flex-start}.frame-head .muted{display:none}.engine-frame{height:calc(100vh - 230px);min-height:580px}.sheet{height:380px}.model-preview{height:280px}.brand{font-size:19px}.brand img{width:28px}.documents .sheet{height:360px}}

.minimal-header{padding:18px 4%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);background:#fff}.minimal-header h1{font-size:22px;margin:0}.launcher-page{background:white}.launcher-page .minimal-header{max-width:680px;margin:24px auto 0;border:0;padding:0 24px}.launcher-page #app{max-width:680px;padding:18px 24px}.launch-links,.file-list{display:flex;flex-direction:column}.launch-links a,.file-row{padding:16px 4px;border-bottom:1px solid var(--border);font-size:17px}.launch-links a:hover,.file-row:hover{background:var(--accent-soft)}.login-card h1{font-size:26px}.login-page{gap:0}.login-card button{justify-content:center}.model-preview{max-width:800px}.page-head{margin-bottom:22px}.page-head h1{font-size:26px}.page-head p{margin-bottom:0}