:root{color-scheme:light;--blue:#2271e5;--ink:#162941;--muted:#73859d;--line:#e0e8f1;--panel:#fff;--back:#f5f8fd;--soft:#edf5ff;--radius:17px;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--back);color:var(--ink)}button,input,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.38;cursor:not-allowed}button:focus-visible,input:focus-visible,select:focus-visible,svg:focus-visible{outline:3px solid #87b5ff;outline-offset:3px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.topbar{height:70px;background:#fff;border-bottom:1px solid var(--line);display:flex;gap:17px;align-items:center;padding:0 24px;position:relative;z-index:2}.brand{display:flex;align-items:center;gap:9px;text-decoration:none;font-weight:760;font-size:17px;color:#192d45}.brandmark{display:grid;place-items:center;width:30px;height:30px;border-radius:10px;background:#cfe5ff;color:#2283e8;font-size:20px;font-weight:850}.brand-muted{color:#9aabba;font-weight:500}.top-divider{height:27px;width:1px;background:var(--line)}.app-title{display:flex;align-items:center;gap:9px}.app-title strong{font-size:13px;display:block}.app-title small{color:var(--muted);display:block;margin-top:2px;font-size:11px}.title-icon{background:#eef6ff;color:#397cca;border-radius:10px;padding:8px 11px;font-size:18px}.top-spacer{flex:1}.local-pill{border:1px solid #d4eeda;background:#f3fff7;border-radius:999px;padding:7px 11px;color:#27945d;font-size:11px;font-weight:700}.btn{border:1px solid transparent;border-radius:10px;padding:10px 13px;background:0 0;font-weight:670;font-size:12px;white-space:nowrap;transition:background .15s,color .15s}.btn:hover:not(:disabled){filter:brightness(.97)}.btn.primary{background:var(--blue);color:#fff;box-shadow:0 3px 9px #2271e520}.btn.outline{border-color:var(--line);background:#fff;color:#304b65}.btn.subtle{color:#43617c;background:#f5f8fc}.btn.danger-outline{color:#a4404e;background:#fff;border-color:#f4cbd0}.btn.full{width:100%;margin-top:9px}.workspace{max-width:1800px;margin:auto;display:grid;grid-template-columns:238px minmax(0,1fr) 290px;min-height:calc(100vh - 110px)}.inspector,.sidebar{padding:25px 17px;background:#fff}.sidebar{border-right:1px solid var(--line)}.inspector{border-left:1px solid var(--line)}.eyebrow,.section-caption{color:#8195af;font-size:10px;letter-spacing:.105em;font-weight:850;margin-bottom:12px}.toolstack{display:grid;gap:4px}.tool{width:100%;display:flex;align-items:center;gap:10px;text-align:left;border:1px solid transparent;border-radius:11px;padding:9px 10px;background:0 0;color:#53697e;font-size:12px;font-weight:650}.tool span{display:grid;place-items:center;width:29px;height:29px;border:1px solid #e5eaf0;background:#f7f9fb;border-radius:9px;color:#476782;font-size:19px}.tool kbd{margin-left:auto;font-size:10px;color:#a0b0c1;font-weight:650}.tool.active{background:#eff6ff;border-color:#cfe2fd;color:#1e69ce}.tool.active span{background:#dbeaff;color:#2271e5;border-color:#dbeaff}.side-separator{height:1px;background:var(--line);margin:24px 0}.field{width:100%;border:1px solid #dce6f0;border-radius:10px;background:#fafcff;padding:11px;color:#26435f;font-size:12px;min-width:0}.input-label{display:block;color:#607790;font-size:11px;font-weight:650;margin-bottom:8px}.small-muted{font-size:11px;line-height:1.6;color:#8797a6}.action-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:10px}.reference{border-radius:13px;background:#f2f7fc;padding:13px;color:#638098;font-size:11px;line-height:1.6}.reference strong{font-size:12px;color:#39536c}.reference p{margin:6px 0}.error-banner,.warning-banner{border:1px solid #f8d6a2;border-radius:10px;background:#fff9ee;color:#986018;padding:11px;margin-top:12px;font-size:12px;line-height:1.5;overflow-wrap:anywhere}.error-banner{color:#a53a44;border-color:#f4c9cd;background:#fff4f5;margin:12px 0}.studio{min-width:0;padding:25px 24px 34px}.studio-top{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:22px}.studio-top h1{font-weight:800;letter-spacing:-.035em;font-size:25px;margin:7px 0 4px}.studio-top p{margin:0;color:#8191a5;font-size:12px;line-height:1.5}.eyebrow{margin:0}.chip{display:inline-block;border-radius:7px;background:#e9f7ef;color:#378c5c;padding:4px 8px;letter-spacing:0;font-size:10px;margin-left:8px}.chip.stale{background:#fff5db;color:#9e761c}.chip.error{background:#ffecee;color:#ae3748}.tool-actions{display:flex;gap:7px;align-items:center}.iconbtn{background:#fff;border:1px solid var(--line);border-radius:9px;min-width:33px;height:33px;color:#6b7e91;font-size:20px}.zoom-label{font-size:11px;font-weight:700;color:#5e7488;min-width:37px;text-align:center}.canvas-wrap{position:relative;background:#fff;border:1px solid #dfebf8;border-radius:17px;overflow:hidden;box-shadow:0 8px 30px #52749a12}.canvas-wrap svg{display:block;width:100%;height:490px;touch-action:none;background:#fbfdff;user-select:none}.canvas-wrap svg text{font-family:Inter,system-ui,sans-serif;pointer-events:none}.canvas-hint{position:absolute;top:13px;left:14px;pointer-events:none;border-radius:7px;background:#ffffffd9;border:1px solid #e8eef5;padding:7px 10px;color:#6f8499;font-size:11px}.canvas-options{position:absolute;top:13px;right:13px;display:flex;gap:12px;background:#ffffffec;border:1px solid #e8eef5;border-radius:8px;padding:8px;color:#647a8e;font-size:11px}.canvas-options label{display:flex;align-items:center;gap:3px;white-space:nowrap}.canvas-options input{accent-color:var(--blue);margin:0}.canvas-legend{position:absolute;bottom:10px;left:11px;right:11px;display:flex;gap:14px;flex-wrap:wrap;background:#ffffffec;border:1px solid #e9edf3;border-radius:9px;padding:9px 13px;color:#7a899c;font-size:10px;pointer-events:none}.dot{display:inline-block;width:8px;height:8px;border-radius:100%;margin-right:6px}.tension{background:#398bdd}.compression{background:#ed5c6f}.neutral{background:#a7b8ca}.legend-deformed{margin-left:auto}.canvas-status{display:flex;justify-content:space-between;gap:10px;font-size:11px;color:#92a1b1;margin-top:11px}.results-area{background:#fff;border:1px solid var(--line);border-radius:16px;margin-top:23px;overflow:hidden}.results-head{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px}.results-head h2{font-size:17px;margin:7px 0 0;letter-spacing:-.025em}.result-actions{display:flex;align-items:center;gap:10px}.result-actions input{max-width:92px;accent-color:var(--blue)}#defScaleValue,.small-label{font-size:11px;color:#72889b;white-space:nowrap}.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;padding:0 22px 20px}.stat{background:#f8fbff;border:1px solid #eaf0f6;border-radius:12px;padding:15px 12px;min-width:0}.stat small{display:block;color:#8497aa;font-size:10px}.stat strong{font-size:20px;display:block;margin:12px 0 5px;letter-spacing:-.03em;color:#203b5a;font-variant-numeric:tabular-nums}.stat span{font-size:10px;color:#9aa8b7}.tabs{display:flex;align-items:center;gap:8px;padding:0 22px;border-bottom:1px solid var(--line);overflow-x:auto}.tab{padding:12px 6px;margin-right:10px;border:0;border-bottom:2px solid transparent;background:0 0;color:#7b8ba0;font-size:11px;font-weight:750;white-space:nowrap}.tab.active{color:var(--blue);border-bottom-color:var(--blue)}.table-scroll{min-height:152px;max-height:330px;overflow:auto}table{width:100%;border-collapse:collapse;font-size:11px;white-space:nowrap}th{text-align:left;position:sticky;top:0;background:#f5f9fe;color:#8091a5;font-size:10px;letter-spacing:.02em;padding:13px 16px}td{border-bottom:1px solid #f0f4f9;padding:12px 16px;color:#537085;font-variant-numeric:tabular-nums}tr[data-select]{cursor:pointer}tr[data-select]:hover td{background:#f5faff}td strong{color:#354e66}.force-tag{font-size:10px;font-weight:750;padding:4px 8px;border-radius:999px;background:#e8f3fe;color:#3481c2}.force-tag.compression{background:#fff0f1;color:#d65366}.force-tag.zero{background:#eff3f6;color:#8093a0}.result-footer{padding:13px 22px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:10px}.result-footer span{color:#a2b0bf;font-size:10px}.result-footer>div{display:flex;gap:7px}.inspector-title{display:flex;justify-content:space-between;align-items:center}.inspector-title h2{font-size:17px;letter-spacing:-.025em;margin:4px 0}.inspector-badge{border-radius:7px;background:#f0f5fa;color:#7b8ca2;padding:5px 9px;font-size:10px}.empty-select{text-align:center;padding:32px 8px 22px}.empty-select>span{display:block;font-size:34px;color:#a7c7ed;margin-bottom:12px}.empty-select strong{font-size:13px}.empty-select p{font-size:11px;color:#98a7b6;line-height:1.7}.inspector-content{margin-top:17px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.form-item label{display:block;font-size:10px;font-weight:760;color:#8799ad;margin-bottom:6px}.form-item input,.form-item select{width:100%;border:1px solid #dce6f0;border-radius:9px;padding:9px;background:#fafcff;color:#34506b;min-width:0;font-size:12px}.form-item.full{grid-column:1/-1}.form-item input:focus{outline:2px solid #8cbcff}.inspector-actions{display:flex;gap:7px;margin-top:13px}.inspector-actions button{flex:1}.inspector-note{color:#8fa0ae;font-size:11px;line-height:1.5;margin-top:13px}.guide-list>div{display:flex;gap:11px;align-items:flex-start;margin-bottom:12px}.step-num{display:grid;place-items:center;width:24px;height:24px;border-radius:8px;background:#eff6ff;color:#4f8ed2;font-weight:800;font-size:10px;flex:0 0 auto}.guide-list p{font-size:11px;color:#8195a8;margin:5px 0;line-height:1.5}.export-card{background:linear-gradient(150deg,#edf6ff,#f6f9ff);border:1px solid #dce9fb;border-radius:14px;padding:18px}.export-icon{font-size:25px;color:#347ac7}.export-card h3{font-size:14px;margin:10px 0 5px}.export-card p{font-size:11px;line-height:1.6;color:#8499ad}.export-card small{display:block;color:#9cacbc;text-align:center;margin-top:12px;font-size:10px}.site-footer{display:flex;justify-content:space-between;padding:17px 24px;background:#fff;border-top:1px solid var(--line);color:#96a6b6;font-size:10px}.modal{border:1px solid var(--line);border-radius:17px;padding:24px;box-shadow:0 15px 90px #1b33543b;max-width:540px;color:var(--ink)}.modal::backdrop{background:#122a4799}.modal p{font-size:13px;color:#5c7186;line-height:1.7}.dialog-top{display:flex;align-items:center;justify-content:space-between}.dialog-top h2{font-size:20px}.modal form{margin:0}@media(max-width:1330px){.workspace{grid-template-columns:205px minmax(0,1fr) 250px}.inspector,.sidebar{padding:20px 13px}.studio{padding:23px 16px}.canvas-wrap svg{height:430px}.stat strong{font-size:17px}.studio-top{align-items:flex-start}.tool-actions{flex-wrap:wrap;justify-content:flex-end}}@media(max-width:1040px){.workspace{grid-template-columns:190px minmax(0,1fr)}.inspector{grid-column:1/-1;border-left:0;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}.inspector>.side-separator{display:none}.inspector-title{grid-column:1/-1}.inspector-content{margin-top:0}.guide-list{grid-column:2}.export-card{grid-column:2}.studio-top{flex-direction:column}.tool-actions{justify-content:flex-start}}@media(max-width:720px){.topbar{height:auto;padding:12px 15px;gap:8px;flex-wrap:wrap}.brand{font-size:14px}.brand-muted,.local-pill,.title-icon,.top-divider{display:none}.app-title strong{font-size:11px}.app-title small{display:none}.topbar .btn{padding:8px 10px;font-size:11px}.workspace{display:flex;flex-direction:column}.sidebar{border-bottom:1px solid var(--line);border-right:0;padding:14px}.sidebar{display:grid;grid-template-columns:1fr 1fr;gap:8px;align-items:center}.sidebar>.section-caption{grid-column:1/-1;margin:5px 0 0}.toolstack{grid-column:1/-1;display:flex;overflow-x:auto;gap:7px;padding-bottom:6px}.tool{width:auto;white-space:nowrap;flex:0 0 auto;padding:5px 7px}.tool kbd{display:none}.sidebar>.reference,.sidebar>.side-separator,.sidebar>.small-muted{display:none}.sidebar>#loadTemplate{margin:0}.sidebar>#clearDamaged,.sidebar>#projectName,.sidebar>#recoverRaw,.sidebar>.action-grid,.sidebar>.input-label,.sidebar>.warning-banner{grid-column:1/-1}.sidebar>.action-grid{grid-template-columns:repeat(4,minmax(0,1fr));margin:0}.sidebar>.action-grid .btn{padding:9px 3px}.studio{padding:18px 12px}.studio-top h1{font-size:23px}.canvas-wrap svg{height:365px}.canvas-hint{top:8px;left:8px;font-size:9px;padding:5px}.canvas-options{top:41px;right:6px;gap:7px;font-size:9px;padding:6px}.canvas-legend{gap:7px;font-size:9px;padding:7px}.results-head{flex-direction:column;align-items:flex-start;padding:18px}.stat-grid{grid-template-columns:1fr 1fr;padding:0 15px 15px;gap:8px}.result-actions{flex-wrap:wrap}.result-footer{align-items:flex-start;flex-direction:column;padding:12px 14px}.tabs{padding:0 15px}.inspector{display:block;padding:18px}.inspector .side-separator{display:block}.site-footer{flex-direction:column;gap:6px}.canvas-status{flex-wrap:wrap}.studio-top p{max-width:390px}}@media(prefers-reduced-motion:reduce){*,::after,::before{scroll-behavior:auto!important;transition:none!important}}.review-card{border:1px solid #dceaf8;background:#f7fbff;border-radius:13px;padding:15px;min-width:0}.review-card h3{margin:8px 0;font-size:14px;letter-spacing:-.01em}.review-count{font-weight:750;font-size:12px;color:#3c6388;margin:8px 0}.review-list{margin:9px 0 5px;padding-left:18px;color:#78592f;font-size:11px;line-height:1.65;max-height:215px;overflow:auto;overflow-wrap:anywhere}.review-list li{margin-bottom:7px}.review-list .review-ok{color:#2e856b}.model-browser{margin-top:11px;border:1px solid #e0eaf4;border-radius:11px;background:#fff;padding:11px;font-size:12px;color:#47718f}.model-browser summary{cursor:pointer;font-weight:720}.model-browser-list{display:flex;flex-wrap:wrap;gap:6px;max-height:200px;overflow:auto;margin-top:10px}.model-browser-list button{border:1px solid #d5e5f3;background:#f4f9ff;color:#39678b;padding:7px 8px;border-radius:7px;font-size:11px;cursor:pointer}.model-browser-list button[aria-pressed=true]{background:#dbeaff;color:#1755a0;border-color:#6ca0db}.scenario-panel{margin:0 22px 20px;padding:17px;border:1px solid #dceaf9;border-radius:13px;background:#f6faff}.scenario-heading h3{font-size:15px;margin:7px 0}.scenario-heading p{font-size:11px;color:#7188a1;line-height:1.6;margin:5px 0 12px}.scenario-controls{display:flex;flex-wrap:wrap;align-items:end;gap:9px}.scenario-controls label{font-size:11px;font-weight:700;color:#59748c;display:flex;flex-direction:column;gap:6px}.scenario-controls input{width:105px;max-width:100%;border:1px solid #cadcf0;border-radius:9px;padding:9px;background:#fff;color:#2f4b67}.scenario-output{font-size:11px;color:#55718b;line-height:1.65;margin-top:12px;overflow:auto}.scenario-output table{background:#fff;white-space:nowrap}.scenario-output td,.scenario-output th{padding:9px 10px}@media(max-width:720px){.scenario-panel{margin:0 12px 15px;padding:12px}.scenario-controls label{flex:1 1 105px}.scenario-controls button{flex:1 1 auto}.scenario-output{overflow-x:auto}}