:root{--bg:#0a0d12;--panel:#111720;--panel2:#161e29;--line:#263140;--text:#ecf2f8;--muted:#92a0b2;--accent:#8fd3ff;--good:#95e6b7;--warn:#ffd18a;--bad:#ff9f9f}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif;line-height:1.5}.topbar{height:64px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 4vw;background:#0c1118;position:sticky;top:0;z-index:5}.topbar strong{font-size:22px;letter-spacing:2px}.topbar span{margin-left:10px;color:var(--muted)}.badge{font-size:12px;border:1px solid var(--line);padding:6px 10px;border-radius:999px;color:var(--muted)}.shell{max-width:1500px;margin:auto;padding:38px 4vw 60px}.hero{max-width:980px;margin-bottom:30px}.eyebrow{font-size:12px;letter-spacing:2px;color:var(--accent);font-weight:bold}.hero h1{font-size:clamp(34px,5vw,60px);line-height:1.03;margin:8px 0 18px;letter-spacing:-2px}.hero>p:last-child{color:var(--muted);font-size:17px;max-width:900px}.workspace{display:grid;grid-template-columns:minmax(360px,500px) 1fr;gap:18px}.panel{border:1px solid var(--line);background:var(--panel);border-radius:14px;padding:20px;min-width:0}.composer label{display:block;font-size:12px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin:14px 0 6px}.composer label:first-child{margin-top:0}textarea,input,select{width:100%;background:#0b1017;color:var(--text);border:1px solid var(--line);border-radius:8px;padding:11px;font:inherit}.topicbox{height:105px;resize:vertical}.ideasbox{height:300px;resize:vertical}.smallbox{height:105px;resize:vertical}textarea:focus,input:focus,select:focus{outline:2px solid #2c6d93;border-color:#5aa7d1}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:8px}.fileRow{display:flex;gap:10px;align-items:center;margin-top:8px}.fileRow input{width:auto;max-width:70%;font-size:12px}.muted{color:#687688;text-transform:none;letter-spacing:0}#generateBtn{margin-top:18px;width:100%;border:0;border-radius:9px;background:var(--accent);color:#071018;font-weight:bold;padding:14px;cursor:pointer}#generateBtn:disabled{opacity:.55;cursor:wait}#message{min-height:34px;padding-top:9px;color:var(--warn);font-size:13px}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:16px}.metrics div{background:var(--panel2);border:1px solid var(--line);padding:12px;border-radius:9px}.metrics b{display:block;font-size:17px;word-break:break-word}.metrics span{display:block;color:var(--muted);font-size:11px;text-transform:uppercase}.tabs{display:flex;gap:5px;border-bottom:1px solid var(--line);margin-bottom:16px;overflow:auto}.tab{background:none;color:var(--muted);border:0;padding:10px 12px;cursor:pointer}.tab.active{color:var(--text);border-bottom:2px solid var(--accent)}.tabpane{display:none;max-height:820px;overflow:auto}.tabpane.active{display:block}.tabpane h2{font-size:25px;margin:18px 0 10px}.tabpane h3{font-size:18px;margin:20px 0 8px}.tabpane p{color:#d7e0e8}.tabpane pre{white-space:pre-wrap;word-break:break-word;background:#0b1017;padding:15px;border-radius:9px;border:1px solid var(--line);font:12px/1.5 Menlo,Consolas,monospace}.abstractBox{border-left:3px solid var(--accent);padding:10px 14px;margin:12px 0;background:#0d131b}.keywords{color:var(--muted);font-size:13px}.empty{color:var(--muted);padding:60px 20px;text-align:center}.source{border-bottom:1px solid var(--line);padding:11px 2px}.source b{color:var(--accent)}.source small{display:block;color:var(--muted);word-break:break-word}.check{display:grid;grid-template-columns:80px 1fr;gap:10px;border-bottom:1px solid var(--line);padding:9px 0}.pass{color:var(--good);font-weight:bold}.fail{color:var(--bad);font-weight:bold}.warning{color:var(--warn);padding:6px 0}.downloads{display:flex;gap:8px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:15px;margin-top:16px}.downloads a{color:var(--text);text-decoration:none;border:1px solid var(--line);border-radius:7px;padding:7px 10px;font-size:12px}.downloads a:hover{border-color:var(--accent)}.domainbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:18px;color:var(--muted);font-size:12px}.domainbar b{border:1px solid var(--line);padding:5px 8px;border-radius:999px;color:#bac6d3}footer{border-top:1px solid var(--line);padding:24px 4vw;color:var(--muted);font-size:12px;text-align:center}@media(max-width:980px){.workspace{grid-template-columns:1fr}.grid2{grid-template-columns:1fr}.topbar span{display:none}.metrics{grid-template-columns:repeat(2,1fr)}}