:root{--bg:#f5f7fa;--panel:#fff;--ink:#172b43;--muted:#66758a;--line:#e5e7eb;--blue:#2563eb;--blue-soft:#eaf1fe;--teal:#0d9488;--orange:#c56819;--red:#dc2626;--navy:#142033;--mono:'JetBrains Mono','Cascadia Code',Consolas,monospace;--ui:Inter,Pretendard,'Segoe UI','Malgun Gothic',sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:13px/1.5 var(--ui)}[hidden]{display:none!important}button,input,select{font:inherit}button,.button{border:1px solid var(--line);background:white;color:var(--ink);border-radius:8px;min-height:34px;padding:7px 13px;cursor:pointer;transition:background .15s,border-color .15s;white-space:nowrap;font-weight:550;display:inline-flex;align-items:center;justify-content:center;gap:6px}button:hover,.button:hover{background:var(--blue-soft);border-color:#c4d4ef}button:disabled{opacity:.45;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--blue);outline-offset:3px}button.primary,.button.primary{background:var(--blue);color:white;border-color:var(--blue)}button.primary:hover,.button.primary:hover{background:#1d4ed8}button.teal{background:var(--teal);color:white;border-color:var(--teal)}button.dark{background:transparent;color:#dce5f2;border-color:#3a4a60}input,select{max-width:100%;min-width:0;border:1px solid var(--line);background:#fafbfd;padding:7px 9px;border-radius:5px;color:var(--ink);font-size:12px}input:not([type=checkbox]):not([type=range]){width:100%;font-family:var(--mono)}label{display:flex;flex-direction:column;gap:5px;color:var(--muted);font-size:12px;margin-bottom:12px}h1,h2,h3,p{margin-top:0}h2{font-size:14px;font-weight:650;margin-bottom:12px}h3{font-size:13px;font-weight:600;margin:18px 0 10px}small{font-size:11px}.hint,.metric-note{color:var(--muted);font-size:11px;line-height:1.6}.eyebrow{color:var(--muted);font-size:10px;letter-spacing:.13em}.badge{font:10px var(--mono);padding:5px 7px;background:var(--blue-soft);color:var(--blue);border-radius:4px;white-space:nowrap}.topbar{height:72px;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 22px;gap:12px}.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none;white-space:nowrap;font-size:18px;font-weight:650;letter-spacing:.2px}.brand-mark{width:36px;height:36px;background:var(--blue);color:white;display:inline-flex;align-items:center;justify-content:center;border-radius:5px;font:700 13px var(--mono)}.brand i{font-style:normal;color:#7f94ae;margin:0 4px}.brand small{display:block;color:#96a8c0;font-size:9px;font-weight:400;letter-spacing:1.6px;margin-top:2px}.top-actions{display:flex;gap:18px;align-items:center;font-size:11px}.draft{color:#5bc0b0;font:10px var(--mono)}.main-tabs{display:flex;gap:5px;padding:9px 14px 0;border-bottom:1px solid var(--line)}.main-tabs button{background:transparent;border:0;border-radius:8px 8px 0 0;border-bottom:3px solid transparent;color:var(--muted);min-height:40px}.main-tabs button.active{background:white;border-bottom-color:var(--blue);color:var(--blue)}.main-tabs em{font:10px var(--mono);font-style:normal;margin-right:6px}.jobbar{display:flex;align-items:center;gap:8px;padding:14px 20px 10px}.jobbar>div{margin-right:auto;display:flex;align-items:center;gap:12px}.jobbar select{width:300px;background:transparent;font-size:13px;border-color:transparent;font-weight:600}.upload-trigger{margin:0}.upload-trigger input{position:absolute;width:1px;height:1px;overflow:hidden;opacity:0}#status{display:flex;align-items:center;gap:8px;padding:5px 22px 12px;color:var(--muted);font-size:11px;min-height:34px}#status.busy{color:var(--blue)}#status.error{color:var(--red)}.status-dot{height:5px;width:5px;flex:none;border-radius:50%;background:var(--teal)}#status.busy .status-dot{background:var(--blue);animation:pulse 1s infinite}#status.error .status-dot{background:var(--red)}#connection{margin-left:auto;font-size:10px;white-space:nowrap}main{padding:0 14px}.workspace{display:grid;grid-template-columns:minmax(224px,19fr) minmax(360px,61fr) minmax(234px,20fr);gap:8px;min-height:570px;height:calc(100dvh - 254px)}.inspector{background:var(--panel);padding:15px 12px;overflow:auto;min-width:0;scrollbar-width:thin;scrollbar-color:#c8d2e0 transparent}.section-head{display:flex;align-items:center;justify-content:space-between;gap:6px;margin-bottom:12px}.section-head h2{margin:0}.part-list{max-height:225px;overflow:auto}.part-row{display:flex;width:100%;border-radius:5px;justify-content:space-between;text-align:left;margin-bottom:3px;padding:8px;font-size:11px}.part-row span:first-child{overflow:hidden;text-overflow:ellipsis}.part-row.active{background:var(--blue-soft);color:var(--blue);border-color:#d3e2fc}.part-row small{color:var(--teal);white-space:nowrap;margin-left:5px}#part-form>button{width:100%}#preview{width:100%;height:130px;background:var(--bg);border:1px solid var(--line);margin-bottom:10px;border-radius:6px}#candidate{width:100%}.field-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);column-gap:10px}.check{flex-direction:row;align-items:center;font-size:11px;gap:6px}.check input{margin:0;accent-color:var(--blue)}.canvas-pane{min-width:0;display:flex;flex-direction:column;overflow:hidden;background:white}.viewer-top{display:flex;justify-content:space-between;align-items:center;padding:10px 13px;min-height:51px;gap:6px}.viewer-top h2{margin:0}.viewer-top select{max-width:45%}.usage{display:grid;grid-template-columns:repeat(4,1fr);padding:8px 14px 7px;gap:8px}.usage small{display:block;color:var(--muted);font-size:10px}.usage strong{font:650 22px/1.7 var(--mono);color:var(--blue)}.usage>div:nth-child(1) strong{color:var(--orange)}.usage>div:nth-child(2) strong{color:#8b99aa}.usage>div:nth-child(3) strong{color:var(--teal)}.ratio-bar{display:flex;height:4px;margin:0 14px;background:#e7edf5}.ratio-bar i{transition:width .15s}#ratio-product{background:var(--blue)}#ratio-holes{background:var(--teal)}#ratio-remnant{background:#d7b28c}.metric-note{font-size:10px;padding:6px 14px;margin:0}.canvas-wrap{position:relative;flex:1;min-height:290px;background:var(--bg);overflow:hidden}.canvas-wrap>canvas{display:block;width:100%;height:100%;touch-action:none}.canvas-wrap.dragover{outline:2px dashed var(--blue);outline-offset:-5px}.empty-state{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;pointer-events:none;color:var(--muted)}.empty-state h3{font-size:16px;font-weight:600;margin:20px 0 7px;color:var(--ink)}.empty-state p{font-size:12px;line-height:1.9}.crosshair{width:42px;height:42px;border:1px solid #adbed6;border-radius:50%;position:relative}.crosshair:before,.crosshair:after{content:'';position:absolute;background:#8b9fb9}.crosshair:before{width:60px;height:1px;left:-10px;top:20px}.crosshair:after{height:60px;width:1px;top:-10px;left:20px}.float-tools{position:absolute;bottom:13px;right:13px;display:flex;border:1px solid var(--line);padding:3px;border-radius:9px;background:white}.float-tools button{border:0;min-height:28px;font-size:11px;padding:4px 10px;font-weight:400}.canvas-footer{display:flex;justify-content:space-between;gap:8px;padding:8px 12px;color:var(--muted);font-size:10px}.canvas-footer>span:first-child{font-family:var(--mono)}.canvas-hud{position:absolute;top:12px;left:12px;max-width:calc(100% - 24px);padding:10px 12px;background:rgba(255,255,255,.96);border:1px solid #d3e2fc;border-bottom:2px solid var(--blue);font-size:11px;white-space:pre-line;pointer-events:none}.conditions summary{font-size:14px;font-weight:650;cursor:pointer;list-style:none;margin-bottom:18px}.conditions summary:after{content:'−';float:right;color:var(--muted)}.conditions:not([open]) summary:after{content:'+'}#nest-form>label select{width:100%}#nest-form>button,#export-form>button{width:100%;margin-bottom:6px}.export-section{border-top:1px solid var(--line);padding-top:16px;margin-top:18px}.export-section h2{margin-bottom:6px}.file-list{display:flex;flex-direction:column;gap:6px;margin-top:10px}.file-entry{display:flex;gap:5px;align-items:center;min-width:0}.file-entry a{color:var(--blue);overflow-wrap:anywhere;min-width:0;font-size:11px;flex:1;text-decoration:none;padding:6px 0}.file-entry a:hover{text-decoration:underline}.file-entry button{font-size:10px;padding:4px 7px;min-height:30px}.file-entry.zip a{background:var(--blue-soft);padding:10px;border-radius:6px;font-size:12px;font-weight:650}.safety-note{font-size:11px;color:var(--orange);margin:18px 0 0}.processing-hud{position:absolute;left:14px;top:14px;display:grid;grid-template-columns:1fr 1.2fr 1fr .7fr;gap:15px;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.95);padding:10px 13px;max-width:calc(100% - 28px);pointer-events:none}.processing-hud small{display:block;font:9px var(--mono);color:var(--muted);margin-bottom:6px}.processing-hud b{font:650 12px var(--mono)}#hud-progress{color:var(--teal)}.playback{display:flex;align-items:center;gap:7px;padding:10px 12px;background:white}.playback input[type=range]{flex:1;width:50px;accent-color:var(--blue);padding:0}.playback #play-count{font:10px var(--mono);color:var(--muted);white-space:nowrap}.playback button{min-width:65px}.nc-info dl{display:grid;grid-template-columns:65px 1fr;gap:12px 5px;font-size:11px}.nc-info dt{color:var(--muted)}.nc-info dd{margin:0;text-align:right;font-family:var(--mono);overflow-wrap:anywhere}.nc-info select{width:100%;font-size:11px}.layer{display:flex;align-items:center;gap:7px;margin-bottom:8px}.layer i{width:14px;height:2px;display:inline-block}.code-pane{background:white;display:flex;flex-direction:column;overflow:hidden;min-width:0}.code-pane>.section-head{padding:14px 10px 8px;margin:0;flex-wrap:wrap}.code-scroll{overflow:auto;flex:1;scrollbar-width:thin;min-height:0}.code-scroll table{border-collapse:collapse;min-width:100%;font:11px/1.5 var(--mono);white-space:nowrap}.code-scroll thead{position:sticky;top:0;background:#f1f4f8;z-index:1}.code-scroll th{text-align:left;color:var(--muted);font-weight:500;font-size:10px}.code-scroll th,.code-scroll td{padding:5px 7px;height:27px}.code-scroll tr:nth-child(even){background:#fafbfd}.code-scroll tbody tr{cursor:pointer}.code-scroll tbody tr:hover{background:var(--blue-soft)}.code-scroll tbody tr.active{background:var(--blue);color:white}.code-scroll td:first-child{color:#8491a5}.code-scroll tr.active td{color:white}.remnant-workspace{background:white;padding:20px;min-height:600px}.remnant-grid{display:grid;grid-template-columns:minmax(240px,1fr) 2fr;gap:20px}.remnant-grid #remnant-list{max-height:600px;overflow:auto}.remnant-row{width:100%;justify-content:flex-start;text-align:left;margin-bottom:6px;white-space:normal}.remnant-row.active{background:var(--blue-soft);border-color:var(--blue)}#remnant-preview{width:100%;height:320px;background:var(--bg);border:1px solid var(--line);margin-bottom:14px}.app-footer{padding:12px 20px;color:#8b98aa;font:9px var(--mono);letter-spacing:.5px}.app-footer span{float:right}.mobile-steps{display:none}#toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);max-width:calc(100% - 30px);background:var(--ink);color:white;padding:12px 20px;border-radius:8px;box-shadow:0 4px 18px #14203320;z-index:10;font-size:12px}.login-screen{min-height:100dvh;display:grid;place-items:center;padding:24px;background:linear-gradient(90deg,#f5f7fa 49.9%,#e9edf3 50%,#f5f7fa 50.1%)}.login-box{width:380px;max-width:100%;background:white;padding:36px;border:1px solid var(--line);border-radius:12px}.login-box .brand-mark{margin-bottom:28px}.login-box h1{font-size:25px;letter-spacing:1px;margin:10px 0 15px}.login-box h1 span{font:11px var(--mono);vertical-align:middle;color:var(--teal);border:1px solid #bde4de;border-radius:4px;padding:3px}.login-box p{color:var(--muted);line-height:1.8;margin-bottom:26px}.login-box input{min-height:42px}.login-box button{width:100%;min-height:42px;margin:4px 0 14px}.login-box small{font-size:10px;color:var(--muted)}#login-error{color:var(--red);font-size:12px;margin:0 0 14px}
.upload-trigger{position:relative}.upload-trigger input[type=file]{width:1px!important;height:1px;padding:0;border:0;overflow:hidden;clip-path:inset(50%)}
.mobile-run{display:none}@media(max-width:850px){.mobile-run{display:flex;gap:8px;padding:0 10px 10px}.mobile-run button{flex:1}}
@keyframes pulse{50%{opacity:.3}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media(max-width:1100px){.workspace{grid-template-columns:224px minmax(300px,1fr) 234px}.top-actions .draft{display:none}.usage strong{font-size:19px}.main-tabs{padding-left:8px}.topbar{padding:0 16px}.processing-hud{gap:9px}.processing-hud b{font-size:11px}}
@media(max-width:850px){body{font-size:13px}button,.button{min-height:44px}input,select{font-size:16px;min-height:42px}input:not([type=checkbox]):not([type=range]){font-size:16px}label{font-size:12px}.topbar{height:64px;padding:0 12px}.brand{font-size:15px;gap:8px}.brand i,.brand small{display:none}.brand-mark{width:30px;height:30px;font-size:11px}.top-actions{gap:4px}.top-actions #user-label{display:none}.top-actions button{font-size:11px;padding:5px 8px;min-height:34px}.main-tabs{padding:5px 4px 0;gap:0;justify-content:space-between}.main-tabs button{flex:1;padding:7px 4px;font-size:12px;min-height:43px}.main-tabs em{display:none}.jobbar{padding:10px 10px 8px;gap:6px;flex-wrap:wrap}.jobbar .eyebrow{display:none}.jobbar>div{width:100%;margin:0}.jobbar select{width:100%;min-height:30px;padding:2px;font-size:13px}.jobbar>button,.jobbar>.button{min-height:38px;flex:1;font-size:12px}#status{padding:5px 12px 9px;font-size:10px}#connection{display:none}main{padding:0 8px}.mobile-steps{display:flex;gap:3px;padding:3px;margin-bottom:8px;background:#e9eef5;border-radius:8px}.mobile-steps button{flex:1;min-height:35px;border:0;background:transparent;font-size:12px;font-weight:500}.mobile-steps button.active{background:white;color:var(--blue)}.workspace{display:block;height:auto;min-height:0}.workspace[data-mobile=layout]>.parts-pane,.workspace[data-mobile=layout]>.results-pane,.workspace[data-mobile=parts]>.layout-pane,.workspace[data-mobile=parts]>.results-pane,.workspace[data-mobile=results]>.parts-pane,.workspace[data-mobile=results]>.layout-pane{display:none}.inspector{padding:16px;border-radius:8px;overflow:visible}.part-list{max-height:260px}.part-row{min-height:46px;font-size:12px}.part-row small{font-size:11px}.canvas-pane{border-radius:8px}.layout-pane .canvas-wrap{height:max(330px,48dvh);flex:auto;min-height:0}.viewer-top{padding:10px 12px;min-height:45px}.viewer-top h2{font-size:13px}.viewer-top select{font-size:12px;min-height:30px;max-width:53%}.usage{padding:7px 12px;gap:6px}.usage small{font-size:9px}.usage strong{font-size:18px}.metric-note{padding:5px 12px;font-size:9px}.canvas-footer{font-size:9px}.canvas-footer>span:last-child{font-size:8px}.float-tools{right:9px;bottom:10px}.float-tools button{min-height:40px;min-width:42px;font-size:12px}.empty-state h3{font-size:15px}.canvas-hud{font-size:10px;padding:8px 10px;max-width:calc(100% - 20px)}.processing-hud{top:10px;left:10px;gap:10px;padding:9px 10px;max-width:calc(100% - 20px);width:calc(100% - 20px);grid-template-columns:.9fr 1.3fr 1fr .7fr}.processing-hud b{font-size:10px}.processing-hud small{font-size:8px}.nc-workspace{display:flex;flex-direction:column;gap:8px}.nc-info{order:2}.nc-info h3,.nc-info #layers,.nc-info .hint,.nc-info #risk{display:none}.nc-info dl{margin:0;grid-template-columns:70px 1fr 70px 1fr;font-size:10px;gap:8px}.nc-workspace>.canvas-pane{order:1}.nc-workspace>.code-pane{order:3;border-radius:8px}.nc-workspace .canvas-wrap{height:360px;flex:auto;min-height:0}.nc-workspace .viewer-top{gap:6px}.nc-workspace .badge{font-size:9px;max-width:58%;overflow:hidden;text-overflow:ellipsis}.playback{gap:5px;padding:8px}.playback button{min-width:54px;font-size:12px;padding:5px 8px}.playback select{min-height:36px;font-size:12px;padding:4px;max-width:55px}.playback #play-count{display:none}.code-scroll{max-height:330px;min-height:220px}.code-scroll td,.code-scroll th{height:34px;padding:7px}.remnant-workspace{padding:16px;min-height:500px;border-radius:8px}.remnant-grid{grid-template-columns:1fr;gap:10px}.remnant-grid #remnant-list{max-height:220px}#remnant-preview{height:240px}.app-footer{font-size:8px;padding:12px}.app-footer span{letter-spacing:0}.login-box{padding:28px}.login-screen{padding:20px}.field-grid{column-gap:12px}.file-entry a{font-size:12px}.file-entry button{min-height:40px;font-size:11px}}