.engHubBtn{display:flex;align-items:center;gap:7px;margin-left:auto;margin-right:8px;padding:8px 12px;border:1px solid rgba(84,210,255,.27);border-radius:12px;background:linear-gradient(135deg,rgba(14,116,144,.18),rgba(79,70,229,.16));color:rgba(235,250,255,.92);font:750 11px/1 system-ui;cursor:pointer;box-shadow:inset 0 1px rgba(255,255,255,.07);transition:.22s ease}.engHubBtn:hover{transform:translateY(-1px);border-color:rgba(103,232,249,.55);box-shadow:0 8px 24px rgba(34,211,238,.12)}
.engOverlay{position:fixed;inset:0;z-index:4450;display:flex;align-items:center;justify-content:center;padding:18px;background:rgba(2,6,18,.82);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px)}.engOverlay.hidden{display:none!important}
.engOverlay,.engOverlay *{box-sizing:border-box}.engOverlay .hidden{display:none!important}
.engModal{position:relative;width:min(1540px,98vw);height:min(930px,95vh);display:flex;flex-direction:column;overflow:hidden;border:1px solid rgba(103,232,249,.25);border-radius:26px;background:linear-gradient(145deg,#071020 0%,#090d1b 48%,#100b22 100%);color:#eefcff;box-shadow:0 40px 130px rgba(0,0,0,.7),0 0 80px rgba(34,211,238,.08)}
.engModal:before{content:"";position:absolute;inset:-45% -20% auto;height:70%;pointer-events:none;background:conic-gradient(from 100deg,transparent,rgba(34,211,238,.12),transparent 32%,rgba(124,58,237,.12),transparent 66%);filter:blur(60px);animation:engAurora 16s linear infinite}@keyframes engAurora{to{transform:rotate(360deg)}}
.engHeader{position:relative;z-index:2;min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 18px;border-bottom:1px solid rgba(255,255,255,.08);background:rgba(6,12,27,.72)}
.engIdentity{display:flex;align-items:center;gap:12px;min-width:0}.engMark{width:44px;height:44px;display:grid;place-items:center;border-radius:14px;background:linear-gradient(135deg,#0891b2,#4f46e5);box-shadow:0 10px 30px rgba(8,145,178,.28)}.engTitle{font:850 17px/1.2 system-ui;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.engSub{margin-top:3px;color:#7dd3fc;font:650 10px/1.2 system-ui;letter-spacing:.08em;text-transform:uppercase}.engHeaderActions{display:flex;align-items:center;gap:8px}.engBtn,.engClose{border:1px solid rgba(255,255,255,.12);border-radius:11px;background:rgba(255,255,255,.06);color:#e9fbff;padding:9px 12px;font:750 11px/1 system-ui;cursor:pointer}.engBtn:hover,.engClose:hover{background:rgba(255,255,255,.11);border-color:rgba(103,232,249,.4)}.engBtn.primary{background:linear-gradient(135deg,#0891b2,#4f46e5);border-color:rgba(103,232,249,.35)}.engClose{width:38px;height:38px;padding:0;font-size:17px}
.engHub{position:relative;z-index:1;display:flex;flex:1;min-height:0;flex-direction:column}.engHero{padding:24px 24px 16px}.engHero h2{margin:0;font:900 clamp(23px,3vw,40px)/1.08 system-ui;letter-spacing:-.04em;background:linear-gradient(90deg,#fff,#8be9ff 48%,#c4b5fd);-webkit-background-clip:text;color:transparent}.engHero p{max-width:860px;margin:9px 0 18px;color:#a9bdd0;font:500 13px/1.55 system-ui}.engControls{display:flex;gap:10px;align-items:center}.engSearch{flex:1;max-width:520px;border:1px solid rgba(125,211,252,.2);border-radius:13px;outline:0;background:rgba(2,8,23,.66);color:#eefcff;padding:11px 14px;font:600 12px/1 system-ui}.engSearch:focus{border-color:#22d3ee;box-shadow:0 0 0 3px rgba(34,211,238,.1)}.engFilter{border:1px solid rgba(255,255,255,.1);border-radius:999px;background:rgba(255,255,255,.04);color:#b8c9dc;padding:8px 11px;font:750 10px/1 system-ui;cursor:pointer}.engFilter.active{color:#ecfeff;border-color:rgba(34,211,238,.45);background:rgba(8,145,178,.18)}
.engGrid{flex:1;min-height:0;overflow:auto;padding:8px 24px 28px;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));align-content:start;gap:13px}.engCard{--accent:#22d3ee;position:relative;overflow:hidden;min-height:205px;padding:16px;border:1px solid color-mix(in srgb,var(--accent) 25%,rgba(255,255,255,.08));border-radius:18px;background:linear-gradient(150deg,color-mix(in srgb,var(--accent) 8%,rgba(255,255,255,.035)),rgba(255,255,255,.02));transition:.22s ease;animation:engCardIn .45s both}.engCard:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--accent) 55%,white 5%);box-shadow:0 15px 35px color-mix(in srgb,var(--accent) 10%,transparent)}@keyframes engCardIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}.engCardTop{display:flex;justify-content:space-between;gap:10px}.engCardName{font:850 15px/1.2 system-ui}.engDiscipline{margin-top:4px;color:var(--accent);font:750 9px/1 system-ui;text-transform:uppercase;letter-spacing:.12em}.engLevel{height:max-content;padding:5px 8px;border:1px solid color-mix(in srgb,var(--accent) 35%,transparent);border-radius:999px;color:#dffaff;background:color-mix(in srgb,var(--accent) 10%,transparent);font:800 8px/1 system-ui;text-transform:uppercase}.engFormats{display:flex;flex-wrap:wrap;gap:5px;margin:14px 0}.engFormat{padding:4px 7px;border-radius:7px;background:rgba(255,255,255,.055);color:#cbd5e1;font:750 9px/1 ui-monospace,monospace;text-transform:uppercase}.engCardText{margin:0;color:#9fb2c5;font:500 11px/1.45 system-ui}.engConnector{margin-top:12px;padding-top:10px;border-top:1px solid rgba(255,255,255,.07);color:#d8e6f3;font:650 10px/1.35 system-ui}.engSource{display:inline-block;margin-top:10px;color:var(--accent);font:750 9px/1 system-ui;text-decoration:none}.engEmpty{grid-column:1/-1;margin:auto;color:#8ba2b8;text-align:center}
.engWorkspace{position:relative;z-index:1;flex:1;min-height:0;display:grid;grid-template-columns:minmax(340px,38%) 1fr}.engSidebar{min-width:0;min-height:0;display:flex;flex-direction:column;border-right:1px solid rgba(255,255,255,.08);background:rgba(2,7,18,.46)}.engPaneHead{height:46px;flex:0 0 46px;display:flex;align-items:center;justify-content:space-between;padding:0 15px;border-bottom:1px solid rgba(255,255,255,.07);color:#b9cee0;font:800 10px/1 system-ui;text-transform:uppercase;letter-spacing:.08em}.engBadge{padding:4px 7px;border-radius:999px;background:rgba(34,211,238,.12);color:#8be9ff;font-size:9px}.engInfo{padding:13px 15px;display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.engMetric{padding:10px;border:1px solid rgba(255,255,255,.07);border-radius:11px;background:rgba(255,255,255,.025)}.engMetric b{display:block;color:#fff;font:850 12px/1.2 system-ui;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.engMetric span{display:block;margin-top:4px;color:#71879b;font:700 8px/1 system-ui;text-transform:uppercase}.engSourceEdit{flex:1;min-height:0;width:100%;resize:none;border:0;border-top:1px solid rgba(255,255,255,.07);outline:0;background:#050a14;color:#dff7ff;padding:15px;font:12px/1.55 ui-monospace,SFMono-Regular,Consolas,monospace;tab-size:2}.engNotes{flex:1;min-height:0;overflow:auto;padding:15px;color:#a9bdce;font:500 12px/1.6 system-ui}.engNotes h3{margin:4px 0 10px;color:#fff;font-size:14px}.engNotes code{color:#8be9ff}.engStage{min-width:0;min-height:0;display:flex;flex-direction:column}.engCanvas{position:relative;flex:1;min-height:0;overflow-x:hidden;overflow-y:auto;padding:18px;background:radial-gradient(circle at 50% 0,#17233a,#09101d 58%,#050912)}.engDrawing{width:100%;height:100%;min-height:560px;border:1px solid rgba(125,211,252,.12);border-radius:16px;background:#07111d;box-shadow:0 18px 55px rgba(0,0,0,.3)}.engDrawing svg{display:block;width:100%;height:100%}.engDrawing line,.engDrawing path,.engDrawing polyline,.engDrawing circle{vector-effect:non-scaling-stroke}.engDrawing text{font-family:ui-monospace,monospace}.engTableWrap{overflow:auto;max-height:100%;border:1px solid rgba(125,211,252,.13);border-radius:14px;background:#07111d}.engTable{width:100%;border-collapse:collapse;color:#cfdeeb;font:11px/1.35 system-ui}.engTable th{position:sticky;top:0;z-index:1;background:#10243a;color:#8be9ff;text-transform:uppercase;letter-spacing:.05em}.engTable th,.engTable td{padding:8px 10px;border:1px solid rgba(148,163,184,.12);white-space:nowrap}.engTable tr:hover td{background:rgba(34,211,238,.04)}.engGantt{min-width:780px;padding:18px}.engGanttRow{display:grid;grid-template-columns:230px 1fr;gap:14px;align-items:center;min-height:38px;border-bottom:1px solid rgba(255,255,255,.06);color:#cbd5e1;font:11px system-ui}.engGanttTrack{position:relative;height:20px;border-radius:6px;background:repeating-linear-gradient(90deg,rgba(255,255,255,.035) 0 1px,transparent 1px 10%)}.engGanttBar{position:absolute;top:3px;height:14px;min-width:3px;border-radius:5px;background:linear-gradient(90deg,#06b6d4,#6366f1);box-shadow:0 0 12px rgba(34,211,238,.24)}.engIfcStage{position:absolute;inset:18px;border:1px solid rgba(125,211,252,.15);border-radius:16px;overflow:hidden;background:#07111d}.engIfcStage canvas{width:100%;height:100%;display:block}.engLoading{height:100%;display:grid;place-items:center;color:#8be9ff;font:750 12px system-ui}.engCompatibility{max-width:720px;margin:5vh auto;padding:28px;border:1px solid rgba(251,191,36,.25);border-radius:20px;background:linear-gradient(145deg,rgba(120,53,15,.18),rgba(15,23,42,.86));color:#dce8f3}.engCompatibility h2{margin:0 0 10px;color:#fff;font:900 25px/1.15 system-ui}.engCompatibility p{font:500 13px/1.65 system-ui}.engCompatibility strong{color:#fde68a}.engStatus{position:absolute;left:50%;bottom:24px;z-index:4;transform:translateX(-50%);padding:9px 14px;border:1px solid rgba(125,211,252,.22);border-radius:999px;background:rgba(2,8,23,.86);color:#bae6fd;font:700 10px/1 system-ui;box-shadow:0 12px 35px rgba(0,0,0,.35)}
@media(max-width:900px){.engOverlay{padding:0}.engModal{width:100vw;height:100dvh;border-radius:0}.engWorkspace{grid-template-columns:1fr;grid-template-rows:minmax(280px,44%) 1fr}.engSidebar{border-right:0;border-bottom:1px solid rgba(255,255,255,.08)}.engGrid{grid-template-columns:1fr 1fr}.engHero{padding:18px}.engGrid{padding:6px 18px 20px}.engCanvas{padding:10px}.engIfcStage{inset:10px}}
@media(max-width:620px){.engHubBtn span{display:none}.engHubBtn{padding:8px;margin-right:4px}.engHeader{padding:10px}.engMark,.engSub{display:none}.engTitle{max-width:34vw}.engHeaderActions{gap:5px}.engBtn{padding:8px 9px;font-size:9px}.engGrid{grid-template-columns:1fr}.engControls{flex-wrap:wrap}.engSearch{max-width:none;flex-basis:100%}.engHero h2{font-size:26px}.engInfo{grid-template-columns:repeat(3,minmax(0,1fr));padding:9px}.engWorkspace{grid-template-rows:minmax(260px,46%) 1fr}.engDrawing{min-height:420px}}