:root{--bg: #f4f7fb;--ink: #172033;--blue: #2563eb;--green: #10b981;--red: #ef4444;--amber: #f59e0b;--line: #e5e7eb;--muted: #667085}*{box-sizing:border-box}html,body{height:100%;margin:0;font-family:Segoe UI,system-ui,Arial,sans-serif;background:var(--bg);color:var(--ink)}body{overflow:hidden}header{background:linear-gradient(90deg,#0f172a,#1d4ed8);color:#fff;padding:8px 12px}.top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}.topActions{display:flex;gap:6px;flex-shrink:0}h1{font-size:17px;margin:0}.sub{font-size:12px;color:#dbeafe;margin-top:2px}.headBtn{border:1px solid #ffffff55;background:#fff2;color:#fff;border-radius:10px;padding:7px 10px;font-weight:700;cursor:pointer;white-space:nowrap;width:auto}.headBtn:hover:not(:disabled){background:#fff3}.headBtn:disabled{opacity:.4;cursor:default}.kpis{display:grid;grid-template-columns:repeat(8,1fr);gap:6px;margin-top:7px}.kpi{background:#fff2;border:1px solid #ffffff44;border-radius:11px;padding:6px 8px}.kpi small{display:block;color:#dbeafe;font-size:10px}.kpi b{font-size:16px}.kpi.alert b{color:#fca5a5}.shell{display:block;padding:12px;height:calc(100vh - var(--headH, 150px));overflow:hidden}.widgetHost[hidden]{display:none}.center{display:flex;flex-direction:column;min-width:0;height:100%;overflow:hidden}.toolbar{display:flex;flex-wrap:wrap;gap:5px;margin-top:7px}.toolBtn{width:auto;margin:0;padding:6px 10px;font-size:12px;font-weight:700;background:#ffffff1f;border:1px solid #ffffff33;color:#fff;border-radius:9px;white-space:nowrap}.toolBtn:hover:not(:disabled){background:#fff3}.toolBtn.active{background:#fff;color:#1e3a8a;border-color:#fff}.toolBtn .dot{display:inline-block;min-width:16px;padding:0 4px;margin-left:4px;font-size:10px;line-height:15px;text-align:center;border-radius:8px;background:#ef4444;color:#fff}.toolBtn.active .dot{background:#1e3a8a}.floatPanel{position:fixed;left:12px;width:400px;max-width:calc(100vw - 24px);max-height:calc(100vh - var(--headH, 150px) - 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0;font-weight:800;font-size:13px}.wBody{padding:11px}.row{display:grid;grid-template-columns:1fr 1fr;gap:7px}.row3{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}.row4{display:grid;grid-template-columns:repeat(4,1fr);gap:7px}.sep{border-top:1px solid var(--line);margin:10px 0}button{border:0;border-radius:11px;padding:8px 10px;background:#e5e7eb;font-weight:700;font-size:13px;cursor:pointer;margin:3px 0;width:100%;text-align:left;font-family:inherit;color:var(--ink)}button:hover:not(:disabled){filter:brightness(.95)}button:disabled{opacity:.45;cursor:default}button.active,button.primary{background:var(--blue);color:#fff}button.secondary{background:#eef2ff;color:#1e40af;text-align:center}button.danger{background:#fee2e2;color:#991b1b}button.modeBtn.active{background:var(--blue);color:#fff}button.fullBtn{text-align:center}button.small{width:auto;padding:5px 9px;font-size:12px;margin:0}label{display:block;font-size:12px;font-weight:800;margin:7px 0 4px}label.check{display:flex;align-items:center;gap:6px;font-size:12px;margin:10px 0 0}label.check input{width:auto}.req{color:var(--red);font-weight:700}.hint{color:var(--muted);font-weight:500}input,select{width:100%;padding:8px;border:1px solid #cbd5e1;border-radius:10px;font-family:inherit;font-size:13px;background:#fff;color:var(--ink)}input:focus,select:focus{outline:2px solid var(--blue);outline-offset:-1px;border-color:var(--blue)}input.invalid{border-color:var(--red);background:#fef2f2}kbd{background:#e5e7eb;border-radius:4px;padding:1px 4px;font-family:inherit;font-size:11px;font-weight:700}.note{font-size:12px;background:#fffbeb;border:1px solid #fde68a;border-radius:12px;padding:8px;margin-top:8px;line-height:1.4}.recalcNote{background:#fff7ed;border:1px solid #fb923c;color:#9a3412;border-radius:10px;padding:8px;font-size:12px;font-weight:700;margin-top:8px}.muted{font-size:12px;color:var(--muted)}.progress{height:8px;background:var(--line);border-radius:999px;overflow:hidden;margin-top:8px}.bar{height:100%;width:0;background:var(--blue);transition:width .12s linear}.variantGroup{display:flex;flex-direction:column;gap:6px;margin:10px 0 6px}.varChk{display:flex;align-items:center;gap:8px;margin:0;padding:8px 10px;border-radius:10px;font-size:13px;font-weight:700;border:2px solid transparent;cursor:pointer}.varChk input{width:auto}.varChk b{margin-left:auto;font-weight:800}.varChk.vCost{background:#ecfdf5;border-color:#6ee7b7;color:#065f46}.varChk.vLength{background:#eff6ff;border-color:#93c5fd;color:#1e40af}.varChk.vBalanced{background:#fff7ed;border-color:#fdba74;color:#9a3412}button.vCost{background:#ecfdf5;color:#065f46}button.vLength{background:#eff6ff;color:#1e40af}button.vBalanced{background:#fff7ed;color:#9a3412}button.vCost.applied,button.vLength.applied,button.vBalanced.applied{outline:2px solid currentColor;outline-offset:-2px;font-weight:900}.legend{margin-top:8px;font-size:12px}.legend span.item{display:inline-flex;align-items:center;gap:4px;margin:2px 8px 2px 0}.legend i{width:16px;height:10px;border-radius:4px;display:inline-block}.list{max-height:190px;overflow:auto;border:1px solid var(--line);border-radius:12px}.item{font-size:12px;padding:7px;border-bottom:1px solid #edf1f7;display:flex;justify-content:space-between;align-items:center;gap:6px}.item:last-child{border-bottom:0}.item.selected{background:#eff6ff}.item button{width:auto;padding:4px 7px;font-size:11px;margin:0}.item .actions{display:flex;gap:4px;flex-shrink:0}.badge{color:var(--red);font-weight:800}.planBar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:8px;flex-wrap:wrap}.planTools{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.planHint{font-size:11px;color:var(--muted)}.divider{width:1px;height:18px;background:var(--line)}.canvasWrap{flex:1;min-height:240px;background:#eaf0f7;border:1px solid #dbe1ec;border-radius:14px;overflow:hidden;position:relative}#plan{display:block;width:100%;height:100%;cursor:crosshair;touch-action:none}#plan.panning{cursor:grabbing}#plan.movable{cursor:grab}.tabs{display:flex;gap:6px;flex-wrap:wrap;margin:10px 0 8px}.tab{width:auto;padding:6px 12px;font-size:12px}.tab.active{background:#111827;color:#fff}.details{flex-shrink:0;max-height:30vh;overflow:auto;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px}table{width:100%;border-collapse:collapse;font-size:12px}td,th{border-bottom:1px solid var(--line);padding:6px 7px;text-align:left}th{background:#f8fafc;position:sticky;top:0;font-size:11px;text-transform:uppercase;color:var(--muted)}tr.ko td{background:#fef2f2}tr.warn td{background:#fffbeb}.modalBackdrop{position:fixed;inset:0;background:#0007;z-index:300;display:none;align-items:center;justify-content:center;padding:20px}.modalBackdrop.open{display:flex}.modal{background:#fff;border-radius:18px;max-width:1180px;width:100%;max-height:92vh;overflow:auto}.mHead{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-bottom:1px solid var(--line);background:#f8fafc;position:sticky;top:0;z-index:10;border-radius:18px 18px 0 0}.mBody{padding:16px}.close{width:auto;background:#fee2e2;color:#991b1b}.analysisBox{background:#f8fafc;border:1px solid var(--line);border-radius:12px;padding:12px;font-size:12px;line-height:1.5;margin-bottom:12px}.analysisBox h3{margin:0 0 8px;font-size:14px}.fileLine{font-size:11px;color:#475569;margin-top:4px}.toasts{position:fixed;right:16px;bottom:16px;z-index:400;display:flex;flex-direction:column;gap:8px;max-width:420px}.toast{background:#111827;color:#fff;border-radius:12px;padding:11px 13px;font-size:13px;box-shadow:0 8px 24px #0f172a44;line-height:1.4;animation:toastIn .18s ease-out}.toast.ok{background:#065f46}.toast.warn{background:#92400e}.toast.err{background:#991b1b}.toast b{display:block;margin-bottom:2px}@keyframes toastIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@media (max-width: 1100px){.kpis{grid-template-columns:repeat(4,1fr)}}@media (max-width: 760px){body{overflow:auto}h1{font-size:15px;line-height:1.15}.sub{display:none}header{padding:6px 8px}.top{align-items:center;gap:6px}.topActions .headBtn{padding:6px 8px;font-size:12px}.toolbar{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:3px}.toolbar::-webkit-scrollbar{display:none}.toolBtn{flex:0 0 auto;padding:7px 11px}.toolBtn span:not(.dot){font-size:12px}.kpis{display:flex;grid-template-columns:none;overflow-x:auto;scrollbar-width:none;gap:5px}.kpis::-webkit-scrollbar{display:none}.kpi{flex:0 0 auto;min-width:88px}.shell{height:auto;overflow:visible;padding:6px}.center{height:auto}.canvasWrap{flex:none;height:68vh;min-height:360px}.planHint{display:none}.planTools{margin-bottom:4px}#pos{display:none}.planTools{gap:6px}.details{max-height:22vh}.floatPanel{left:0!important;right:0;top:auto!important;bottom:0;width:100%;max-width:100%;max-height:48vh;border-radius:16px 16px 0 0;box-shadow:0 -10px 34px #0f172a55}.floatHead{cursor:default;padding:12px 14px}.floatHead:before{content:"";position:absolute;top:5px;left:50%;transform:translate(-50%);width:40px;height:4px;border-radius:3px;background:#cbd5e1}.floatHead{position:relative}.floatClose{padding:6px 12px;font-size:16px}button{padding:10px 12px}input,select{padding:10px;font-size:16px}.modal{max-height:88vh}.modalBackdrop{padding:0;align-items:flex-end}.modal{border-radius:16px 16px 0 0}}