:root{
  --bg:#090d13;--panel:#0f151e;--panel2:#141c27;--line:#243143;--text:#eef4fb;--muted:#8fa1b6;
  --cyan:#57d8ff;--cyan2:#1b9ed1;--green:#56e6a5;--amber:#ffcc66;--red:#ff6b7a;--radius:14px;
  --shadow:0 16px 50px rgba(0,0,0,.28);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color-scheme:dark
}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text)}button,input,select,textarea{font:inherit}button{cursor:pointer}
body{min-height:100vh;background:radial-gradient(circle at 78% -10%,rgba(49,162,220,.16),transparent 34%),linear-gradient(180deg,#090d13,#0b1119)}
.shell{min-height:100vh;display:grid;grid-template-rows:64px 1fr}.topbar{display:flex;align-items:center;gap:18px;padding:0 18px;border-bottom:1px solid var(--line);background:rgba(9,13,19,.86);backdrop-filter:blur(16px);position:sticky;top:0;z-index:30}
.brand{display:flex;align-items:center;gap:10px;min-width:220px}.brandmark{width:34px;height:34px;border:1px solid #317ea1;border-radius:10px;display:grid;place-items:center;background:linear-gradient(145deg,#102638,#0c1720);color:var(--cyan);font-weight:900}.brand strong{display:block;font-size:14px;letter-spacing:.16em}.brand span{font-size:10px;color:var(--muted);letter-spacing:.28em}.statusPill{margin-left:auto;display:flex;align-items:center;gap:8px;border:1px solid var(--line);padding:8px 11px;border-radius:999px;color:var(--muted);font-size:12px}.dot{width:8px;height:8px;border-radius:50%;background:var(--amber)}.dot.ok{background:var(--green);box-shadow:0 0 14px rgba(86,230,165,.55)}.dot.bad{background:var(--red)}
.layout{display:grid;grid-template-columns:270px minmax(0,1fr);min-height:0}.sidebar{border-right:1px solid var(--line);background:rgba(13,18,26,.82);padding:18px;overflow:auto}.sideLabel{font-size:10px;letter-spacing:.18em;color:#6f8297;font-weight:800;margin:10px 0}.newRow{display:grid;grid-template-columns:1fr 42px;gap:8px}.input,.select,.textarea{width:100%;border:1px solid var(--line);background:#0a1017;color:var(--text);border-radius:10px;padding:10px 11px;outline:none}.textarea{min-height:118px;resize:vertical}.input:focus,.select:focus,.textarea:focus{border-color:#327fa3;box-shadow:0 0 0 3px rgba(87,216,255,.08)}.btn{border:1px solid var(--line);background:#101924;color:var(--text);border-radius:10px;padding:9px 12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:7px}.btn:hover{border-color:#3d536e;background:#142031}.btn.primary{background:linear-gradient(180deg,#169acb,#0d789f);border-color:#2bb5e9;color:white}.btn.good{border-color:#2a8a65;color:#7df1bb}.btn.danger{border-color:#73313a;color:#ff8b96}.btn:disabled{opacity:.45;cursor:not-allowed}.target{margin-top:8px}
.projectList{display:grid;gap:7px;margin-top:12px}.projectItem{width:100%;display:grid;grid-template-columns:34px 1fr;gap:10px;align-items:center;text-align:left;border:1px solid transparent;background:transparent;color:var(--text);padding:8px;border-radius:10px}.projectItem:hover,.projectItem.active{background:#111a25;border-color:#26364b}.projectAvatar{width:34px;height:34px;border-radius:9px;background:#182331;border:1px solid #2a3a4f;display:grid;place-items:center;color:var(--cyan);font-weight:900}.projectItem b{display:block;font-size:13px}.projectItem span{font-size:11px;color:var(--muted)}.empty{font-size:12px;line-height:1.5;color:var(--muted);padding:12px;border:1px dashed var(--line);border-radius:10px}.nav{display:grid;gap:5px;margin-top:8px}.nav button{background:transparent;border:0;color:#9cafc2;text-align:left;padding:10px;border-radius:9px;font-weight:700}.nav button:hover,.nav button.active{background:#121c28;color:white}.nav button.active{box-shadow:inset 2px 0 var(--cyan)}
.main{padding:22px;overflow:auto;min-width:0}.hero{display:grid;grid-template-columns:1fr auto;gap:20px;align-items:end;margin-bottom:18px}.eyebrow{font-size:10px;letter-spacing:.18em;color:var(--cyan);font-weight:900}.hero h1{font-size:clamp(28px,4vw,52px);line-height:.96;margin:8px 0 10px;letter-spacing:-.045em}.hero h1 em{color:var(--cyan);font-style:normal}.hero p{margin:0;max-width:760px;color:var(--muted);line-height:1.6}.engineCard{min-width:250px;background:linear-gradient(145deg,#111d29,#0d141e);border:1px solid #2a3b50;border-radius:14px;padding:14px;box-shadow:var(--shadow)}.engineCard small{display:block;color:#74889f;font-size:10px;letter-spacing:.14em}.engineCard b{display:block;margin:5px 0}.engineCard span{font-size:11px;color:var(--muted)}
.grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(280px,.7fr);gap:16px}.card{background:linear-gradient(180deg,rgba(18,25,35,.95),rgba(13,19,28,.96));border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.cardHead{display:flex;align-items:center;gap:8px;padding:13px 15px;border-bottom:1px solid var(--line)}.cardHead b{font-size:13px}.cardHead span{margin-left:auto;color:var(--muted);font-size:11px}.cardBody{padding:15px}.promptActions{display:flex;gap:8px;justify-content:flex-end;margin-top:10px;flex-wrap:wrap}.notice{margin-top:12px;padding:11px 12px;border-radius:10px;background:#0b131c;border:1px solid #24374b;color:#aabbd0;font-size:12px;line-height:1.45}.notice.error{border-color:#70343c;color:#ff9da6}.notice.good{border-color:#2a775d;color:#7eeab9}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.metric{background:#0b121a;border:1px solid #202e40;border-radius:11px;padding:12px}.metric b{display:block;font-size:18px}.metric span{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.11em}.issue{border:1px solid #253348;background:#0a1119;border-radius:10px;padding:10px;margin-top:8px}.issue.error{border-color:#6d3038}.issue.warning{border-color:#705b2d}.issue strong{font-size:11px;text-transform:uppercase;letter-spacing:.08em}.issue p{font-size:12px;color:#becadb;margin:6px 0 0;line-height:1.45}
.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:12px}.toolbar .spacer{margin-left:auto}.filesLayout{display:grid;grid-template-columns:260px minmax(0,1fr);min-height:560px}.fileList{border-right:1px solid var(--line);padding:10px;overflow:auto}.fileBtn{width:100%;display:flex;align-items:center;gap:8px;background:transparent;border:0;color:#aebed1;padding:8px;border-radius:8px;text-align:left;font-size:12px}.fileBtn:hover,.fileBtn.active{background:#152131;color:white}.lock{margin-left:auto;color:var(--amber)}.editor{display:grid;grid-template-rows:auto 1fr;min-width:0}.editorTop{padding:10px 12px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:8px}.editorTop code{font-size:12px;color:var(--cyan)}.codeArea{width:100%;min-height:510px;border:0;outline:none;resize:none;background:#081017;color:#d7e4f2;padding:16px;font:12px/1.55 ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;tab-size:2}.previewFrame{width:100%;height:70vh;min-height:520px;border:0;background:white}.split{display:grid;grid-template-columns:1fr 1fr;gap:14px}.checkpoint{display:flex;align-items:center;gap:10px;border-bottom:1px solid #1e2b3b;padding:11px 0}.checkpoint:last-child{border-bottom:0}.checkpoint div{min-width:0}.checkpoint b{display:block;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.checkpoint span{font-size:10px;color:var(--muted)}.checkpoint .btn{margin-left:auto;padding:7px 9px;font-size:11px}.setupList{display:grid;gap:8px}.setupRow{display:grid;grid-template-columns:18px 1fr;gap:9px;align-items:start;padding:9px;border:1px solid var(--line);border-radius:9px;background:#0a1118}.setupRow b{font-size:12px}.setupRow p{margin:3px 0 0;color:var(--muted);font-size:11px;line-height:1.4}.setupRow .check{color:var(--green)}.setupRow .x{color:var(--red)}.hidden{display:none!important}.modalBack{position:fixed;inset:0;background:rgba(0,0,0,.66);display:grid;place-items:center;padding:16px;z-index:50}.modal{width:min(640px,100%);max-height:88vh;overflow:auto;background:#0f1722;border:1px solid #2b3c52;border-radius:16px;box-shadow:0 28px 90px #000;padding:18px}.modal h2{margin:0 0 8px}.modal p{color:var(--muted);font-size:13px;line-height:1.5}.modalActions{display:flex;justify-content:flex-end;margin-top:14px}.dangerZone{margin-top:18px;padding-top:14px;border-top:1px solid #3f252a}.loading{opacity:.65;pointer-events:none}.spin{display:inline-block;width:14px;height:14px;border:2px solid rgba(255,255,255,.25);border-top-color:white;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:900px){.layout{grid-template-columns:1fr}.sidebar{border-right:0;border-bottom:1px solid var(--line);max-height:none}.projectList{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}.nav{grid-template-columns:repeat(3,1fr)}.nav button{text-align:center}.hero{grid-template-columns:1fr}.engineCard{min-width:0}.grid,.split{grid-template-columns:1fr}.filesLayout{grid-template-columns:1fr}.fileList{border-right:0;border-bottom:1px solid var(--line);max-height:220px}.topbar{padding:0 12px}.brand{min-width:0}.statusPill{font-size:0}.statusPill .dot{margin:0}.main{padding:14px}}
@media(max-width:560px){.topbar{height:58px}.brand strong{font-size:12px}.brand span{display:none}.statusPill{padding:8px}.nav{grid-template-columns:repeat(2,1fr)}.metrics{grid-template-columns:1fr}.hero h1{font-size:34px}.promptActions .btn{flex:1}.main{padding:10px}.cardBody{padding:12px}}