@font-face{font-family:"IBM Plex Sans";src:url("/vendor/fonts/IBMPlexSans-Variable.woff2") format("woff2");font-style:normal;font-weight:100 700;font-display:swap}
:root{color-scheme:dark;--work:#0b0b0d;--paper:#191a1e;--surface:#24252b;--line:#303136;--ink:#f1f1f3;--muted:#b7b8c0;--subtle:#8e909a;--copper:#c29673;--copper-hover:#d5ad8c;--selection:#ff62b7;--edge:#77a8ec;--blue:var(--copper);--blue-dark:var(--copper-hover);--shadow:0 12px 32px #0005;--header-height:64px;--islands-width:38vw;font-family:"IBM Plex Sans","Segoe UI",Arial,sans-serif;font-size:14px}
*{box-sizing:border-box;scrollbar-width:thin;scrollbar-color:#494b55 transparent}
html,body{margin:0;width:100%;height:100%;overflow:hidden;background:var(--work);color:var(--ink)}
body{font-family:inherit;line-height:1.4}
button,input,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.4;cursor:default}a{color:inherit}[hidden]{display:none!important}
button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,canvas:focus-visible{outline:2px solid var(--copper-hover);outline-offset:3px}
button,summary,a{touch-action:manipulation}svg{flex-shrink:0}
button svg,a svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.icon-library{position:absolute;width:0;height:0;overflow:hidden}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-thumb{background:#494b55;border-radius:8px}

/* Continuous header; the geometry remains the focal point. */
.app-header{position:fixed;z-index:30;inset:0 0 auto;height:64px;display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:16px;padding:0 20px;background:#101013;border-bottom:1px solid var(--line)}
.header-document,.header-actions{display:flex;align-items:center;min-width:0;gap:10px}.header-actions{justify-content:flex-end;gap:7px}
.brand{display:flex;align-items:center;justify-content:center;flex:0 0 136px;width:136px;height:46px;text-decoration:none}.brand-logo{display:block;width:100%;height:44px;object-fit:contain;filter:brightness(0) invert(1)}
.header-divider{width:1px;height:24px;background:var(--line);flex-shrink:0;margin:0 5px}
.document-trigger{display:flex;align-items:center;flex:0 1 220px;gap:9px;min-width:0;max-width:220px;padding:8px 4px;border:0;border-radius:6px;background:none;color:#dfe0e6}
.document-trigger>span{flex:1;min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-size:14px}.document-trigger:hover{color:white;background:#202126}
.small-chevron{width:12px!important;height:12px!important;transform:rotate(90deg)}.document-trigger>.small-chevron{margin-left:2px;color:var(--muted)}
.stage-nav{display:flex;align-items:center;gap:4px;min-width:0}
.stage{display:flex;align-items:center;gap:7px;min-height:38px;padding:10px 12px;border:0;border-radius:8px;background:none;color:#d2d3d9;font-size:13px;white-space:nowrap}
.stage>span{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border:1px solid #71737d;border-radius:50%;font-size:11px;line-height:1}
.stage.active{background:var(--copper);color:#171311;font-weight:550}.stage.active>span{border-color:#332820}.stage:hover:not(:disabled):not(.active){background:var(--surface);color:white}
.icon-button{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:36px;height:36px;padding:7px;border:1px solid transparent;border-radius:7px;background:none;color:#d0d1d8}.icon-button:hover:not(:disabled){background:#2a2b32;color:white}
.menu-trigger{display:inline-flex;align-items:center;gap:10px;min-height:36px;padding:8px 12px;border:1px solid #383940;border-radius:7px;background:#222329;color:var(--ink);font-size:13px;white-space:nowrap}.menu-trigger:hover,.menu-trigger[aria-expanded=true]{background:#2d2e36;border-color:#656770}
.save-button{min-height:37px!important;padding:8px 13px!important;gap:8px!important;white-space:nowrap;font-size:13px!important}

/* One family of buttons, fields and feedback. */
.button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:36px;padding:8px 11px;border:1px solid #4c4e58;border-radius:7px;background:#25262d;color:#e6e6eb;font-size:13px;line-height:1.35;text-decoration:none}
.button:hover:not(:disabled){background:#33353e;border-color:#777984;color:white}.button.primary{border-color:var(--copper);background:var(--copper);color:#171311;font-weight:550}.button.primary:hover:not(:disabled){background:var(--copper-hover);border-color:var(--copper-hover);color:#171311}
.button.full{width:100%;margin-top:8px}.button-row{display:flex;align-items:center;gap:8px}.button-row>.button{flex:1;min-width:0}
.text-button{padding:4px 0;border:0;background:none;color:#d2ac8f;text-align:left;font-size:12px;line-height:1.5}.text-button:hover:not(:disabled){color:#efd3bd;text-decoration:underline;text-underline-offset:3px}
.tool-button[aria-pressed=true],.tool-button.selected{border-color:var(--copper);background:#413228;color:#f7dfcc}
.field{display:flex;flex-direction:column;gap:7px;margin:12px 0;color:#d1d2d8;font-size:13px}
.field input,.field select,.vector-fields input{width:100%;min-width:0;min-height:37px;padding:8px 10px;border:1px solid #4b4d57;border-radius:6px;background:#111216;color:var(--ink)}.field input:hover,.field select:hover{border-color:#777984}
.inline-field{flex-direction:row;align-items:center;justify-content:space-between;gap:12px}.inline-field>select{width:auto;max-width:170px}
.number-unit{display:inline-flex;align-items:center;flex:0 0 108px;min-width:0;border:1px solid #4b4d57;border-radius:6px;background:#111216}.number-unit>input{min-height:35px;width:75px;padding:7px 5px 7px 9px;border:0;background:none;outline:none}.number-unit>span{margin-left:auto;padding:0 9px 0 3px;color:var(--muted);font-size:12px}.number-unit:focus-within{outline:2px solid var(--copper-hover);outline-offset:2px}
input[type=range]{width:100%;accent-color:var(--copper);margin:4px 0 12px}
.checkbox{display:flex;align-items:flex-start;gap:9px;margin:13px 0;color:var(--muted);font-size:12px;line-height:1.5;cursor:pointer}.checkbox input{width:15px;height:15px;flex-shrink:0;margin:2px 0 0;accent-color:var(--copper)}
.hint{margin:8px 0 12px;color:var(--muted);font-size:12px;line-height:1.6}
.vector-fields{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:12px 0}.vector-fields label{color:var(--muted);font-size:12px}.vector-fields input{margin-top:5px;padding:7px}
.segmented{display:flex;overflow:hidden;border:1px solid #4b4d57;border-radius:7px}.segmented button{flex:1;padding:10px 8px;border:0;background:#131418;color:var(--muted);font-size:12px}.segmented button+button{border-left:1px solid #4b4d57}.segmented button.selected{background:#403127;color:#f2d8c3}

/* Opaque graphite menus; copper accents never tint the whole workbench. */
.floating-popover{position:fixed;z-index:35;width:300px;max-height:calc(100dvh - 100px);overflow:auto;background:var(--paper);border:1px solid #3e4048;border-radius:10px;box-shadow:var(--shadow)}
.floating-popover section,.sidebar section{padding:16px;border-bottom:1px solid var(--line)}.floating-popover section:last-child,.sidebar section:last-child{border-bottom:0}
.floating-popover h2,.sidebar h2{margin:0 0 11px;color:var(--ink);font-size:14px;font-weight:550}
.mode-popover{right:185px;top:58px;width:280px}.model-popover{left:112px;top:58px;width:306px}.islands-popover{left:18px;top:116px;width:322px;max-width:calc(var(--islands-width) - 36px);max-height:calc(100dvh - 150px)}
.section-heading,.popover-top{display:flex;align-items:center;justify-content:space-between;gap:8px}.section-heading h2{margin:0}.popover-top{padding:10px 10px 10px 16px;border-bottom:1px solid var(--line);font-weight:500}
.floating-popover>.checkbox{margin:12px 16px}.navigation-help{margin:0 16px 16px;padding-top:12px;border-top:1px solid var(--line);color:var(--muted);font-size:12px;line-height:1.8}.navigation-help strong{color:var(--ink);font-weight:500}.dimension-readout{color:var(--muted);font-size:12px;line-height:1.5}.metadata-unit{display:none}
.sidebar{position:fixed;z-index:20;top:86px;right:20px;bottom:auto;display:flex;flex-direction:column;width:310px;height:auto;max-height:calc(100dvh - 168px);overflow:hidden;background:var(--paper);border:1px solid #383a42;border-radius:11px;box-shadow:var(--shadow);visibility:hidden;opacity:0;pointer-events:none;transform:translateY(4px);transition:opacity .12s,transform .12s,visibility .12s}.sidebar.open{visibility:visible;opacity:1;pointer-events:auto;transform:none}
.context-panel-header{position:relative;display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:43px;padding:8px 9px 8px 16px;border-bottom:1px solid var(--line);flex-shrink:0}.context-panel-header strong{font-size:13px;font-weight:550}.context-panel-header .icon-button{width:28px;height:28px;padding:5px;color:#a6a8b1}
.sidebar-scroll{flex:0 1 auto;min-height:0;overflow:auto;overscroll-behavior:contain}.sidebar-footer{display:flex;align-items:center;gap:7px;flex-shrink:0;padding:9px 16px;border-top:1px solid var(--line);color:var(--subtle);font-size:11px}.engine-dot{width:6px;height:6px;border-radius:50%;background:#b29371}.engine-dot.ready{background:#90aa94}
.tool-disclosure{border-bottom:1px solid var(--line)}.tool-disclosure>summary{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px;list-style:none;cursor:pointer;user-select:none}.tool-disclosure>summary::-webkit-details-marker,.history-panel>summary::-webkit-details-marker{display:none}.tool-disclosure>summary::marker,.history-panel>summary::marker{content:""}
.tool-disclosure>summary>span{display:flex;flex-direction:column;gap:6px;min-width:0}.tool-disclosure>summary strong{color:var(--ink);font-size:14px;font-weight:500;line-height:1.4}.tool-disclosure>summary>span>span{color:var(--muted);font-size:12px;line-height:1.55}.tool-disclosure>summary>svg{width:14px;height:14px;fill:none;stroke:#b8bac4;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.tool-disclosure[open]>summary>svg{transform:rotate(90deg)}.tool-disclosure>summary:hover{background:#222329}.tool-disclosure>summary:focus-visible{outline-offset:-3px;border-radius:6px}.disclosure-body{padding:0 16px 17px}.disclosure-body>.field:first-child,.disclosure-body>.hint:first-child{margin-top:0}.tool-disclosure:not([open])>.disclosure-body{display:none}
.shared-preview{margin:15px 16px;padding:12px;border:1px solid #76604e;border-radius:8px;background:#2e2722}.preview-actions p{margin:0 0 10px;font-size:12px;line-height:1.6;color:#ebd1bc}.preview-actions .button{font-size:12px;padding:7px}
.diagnostic-row{display:flex;align-items:center;gap:7px;margin:10px 0}.diagnostic-row>span{flex:1;min-width:0;font-size:12px;line-height:1.45;color:#d1d2d8}.diagnostic-row>.button{padding:7px 9px;font-size:12px}.diagnostic-row.repair-row>.button{flex:1}.diagnostic-toggle[aria-pressed=true]{border-color:var(--selection);background:#492738;color:#ffdcf0}.help-button{flex:0 0 26px;width:26px;height:27px;padding:0;border:1px solid #60626d;border-radius:50%;background:none;color:#c9cbd3;font-size:12px;cursor:help}.help-button:hover{background:#343640;color:white}
.mesh-diagnostics{border-bottom:1px solid var(--line)}.mesh-diagnostics>summary{display:flex;align-items:center;gap:9px;padding:15px 16px;list-style:none;cursor:pointer}.mesh-diagnostics>summary::-webkit-details-marker{display:none}.mesh-diagnostics>summary::marker{content:""}.mesh-diagnostics>summary strong{font-size:14px;font-weight:500}.mesh-diagnostics>summary>svg{width:14px;height:14px;margin-left:auto;fill:none;stroke:var(--muted);stroke-width:1.5}.mesh-diagnostics[open]>summary>svg{transform:rotate(90deg)}.mesh-diagnostics>summary:hover{background:#222329}.mesh-diagnostics>summary:focus-visible{outline-offset:-3px}.mesh-diagnostics-body{padding:0 16px 16px}.mesh-diagnostics-body>.hint:first-child{margin-top:0}.diagnostic-count{min-width:20px;padding:1px 5px;border-radius:5px;background:#2b2c33;color:var(--muted);font-size:11px;text-align:center}
.diagnostic-count-button{flex:1;min-width:0;justify-content:space-between;text-align:left;gap:9px}.diagnostic-count-button>span{min-width:0;line-height:1.5}.diagnostic-count-button>svg{width:12px;height:12px;flex-shrink:0}.diagnostic-count-button[aria-expanded=true]>svg{transform:rotate(90deg)}.diagnostic-inspector-slot:empty{display:none}.diagnostic-inspector-slot>.topology-inspector{margin:0 0 10px}
.warped-toggle{border-color:#925452;background:#322125;color:#f0b1af}.warped-toggle:hover:not(:disabled){border-color:#e46e65;background:#4d2b2e;color:#ffe3e0}.warped-toggle[aria-pressed=true]{border-color:#e46e65;background:#63342f;color:#ffe3e0}
.mesh-diagnostics-body>#delete-panel{margin-top:14px;border:1px solid var(--line);border-radius:8px;overflow:hidden}.mesh-diagnostics-body>#delete-panel>summary{padding:12px}.mesh-diagnostics-body>#delete-panel>.disclosure-body{padding:0 12px 12px}
.topology-inspector{margin-top:15px;border:1px solid #41434c;border-radius:8px;background:#121317}
.topology-inspector>summary{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px;list-style:none;cursor:pointer}
.topology-inspector>summary::-webkit-details-marker{display:none}.topology-inspector>summary::marker{content:""}
.topology-inspector>summary strong{min-width:0;font-size:13px;font-weight:500;line-height:1.45;color:var(--ink)}
.topology-inspector>summary svg{width:13px;height:13px;fill:none;stroke:var(--muted);stroke-width:1.5}.topology-inspector[open]>summary svg{transform:rotate(90deg)}
.topology-inspector>summary:hover{background:#23242b}.topology-inspector>summary:focus-visible{outline-offset:-3px;border-radius:7px}
.topology-inspector-body{padding:0 10px 10px}.topology-inspector-body>.hint:first-child{margin-top:0}
.topology-inspector-body h3{margin:8px 0 5px;color:#d1d2d8;font-size:12px;font-weight:500}
.topology-edge-list{display:flex;flex-wrap:wrap;gap:6px;max-height:104px;overflow:auto;padding:2px}
.topology-edge-list button{min-height:30px;padding:5px 8px;border:1px solid #50525d;border-radius:5px;background:#24252b;color:#e3e4eb;font-size:12px;line-height:1.4}
.topology-edge-list button:hover{background:#363842}.topology-edge-list button[aria-pressed=true]{border-color:var(--selection);background:#492738;color:#ffdcf0}
.topology-face-list{display:flex;flex-direction:column;gap:6px;max-height:176px;overflow:auto;padding:2px}
.topology-face-list button{display:flex;align-items:center;gap:8px;width:100%;min-height:35px;padding:7px 9px;border:1px solid #50525d;border-radius:5px;background:#24252b;color:#e3e4eb;text-align:left;font-size:12px;line-height:1.45}
.topology-face-list button:hover{background:#363842}.topology-face-list button[aria-pressed=true]{border-color:var(--copper);background:#3c3029;color:#f3d8c2}
#topology-face-list{flex-direction:row;flex-wrap:wrap;max-height:104px}
#topology-face-list button{flex:0 1 calc((100% - 12px)/3);gap:6px;width:auto;min-width:35px;min-height:30px;padding:5px 7px}
#topology-face-list button[aria-pressed=true]{flex-basis:100%;width:100%}
.topology-swatch{width:10px;height:10px;flex:0 0 10px;border:1px solid #ffffff35;border-radius:2px;background:var(--face-color,#8598b8)}
.topology-xray-toggle[aria-pressed=true]{border-color:var(--copper);background:#3c3029;color:#f3d8c2}.topology-preview-hint{font-size:11px;line-height:1.6;margin-bottom:5px}
.repair-receipt{margin:12px 16px 16px;padding:12px;border:1px solid #494b55;border-radius:7px;background:#222329}
.repair-receipt>strong{display:block;color:var(--ink);font-size:13px;font-weight:500;line-height:1.45}
.repair-receipt>p{margin:7px 0 8px;color:var(--muted);font-size:12px;line-height:1.6}
.repair-receipt>.text-button{min-height:28px;padding:4px 0;font-size:12px}
.planarity-face-list{max-height:165px;overflow:auto;margin:10px 0}.planarity-face-list>div{display:flex;align-items:center;justify-content:space-between;padding:6px 1px;border-bottom:1px solid #473538;color:#efb2b0;font-size:12px}.planarity-face-list span{font-variant-numeric:tabular-nums}.warning-list{padding:0 16px 12px;font-size:12px;color:#dcc2a8;line-height:1.55}.warning-list p{margin:9px 0;padding-left:10px;border-left:2px solid #8d7055}
.warning-disclosure{border-top:1px solid var(--line)}.warning-disclosure>summary{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 16px;list-style:none;color:#c9b09a;font-size:12px;cursor:pointer}.warning-disclosure>summary::-webkit-details-marker{display:none}.warning-disclosure>summary::marker{content:""}.warning-disclosure>summary>svg{width:12px;height:12px;fill:none;stroke:currentColor;stroke-width:1.5}.warning-disclosure[open]>summary>svg{transform:rotate(90deg)}.warning-disclosure>summary:focus-visible{outline-offset:-3px}

/* 38% island sheets and 62% real 3D, without floating panels over the sheets. */
.app-main{position:fixed;inset:64px 0 0}.work-area,.viewport-layout{position:absolute;inset:0;min-width:0;min-height:0}.viewport-layout{display:flex;overflow:hidden}.viewport{position:relative;min-width:0;min-height:0;overflow:hidden}
.three-viewport{order:2;flex:1;background:var(--work)}.viewport-layout.split>.three-viewport{flex:1 1 calc(100% - var(--islands-width))}.pattern-viewport{order:1;display:flex;flex-direction:column;flex:0 0 var(--islands-width);border-right:1px solid #23242a;background:var(--work)}
#model-canvas{display:block;width:100%;height:100%;touch-action:none}.three-viewport>.viewport-caption{position:absolute;z-index:4;top:17px;left:22px;right:22px;display:flex;align-items:center;gap:10px;pointer-events:none;color:var(--subtle);font-size:12px}.three-viewport>.viewport-caption>span:first-child,.three-viewport #model-version{display:none}.preview-badge{padding:5px 9px;border:1px solid #8f7157;border-radius:6px;background:#30261f;color:#f3d3b9;font-size:12px}
.geometry-overlay{position:absolute;z-index:2;inset:0;width:100%;height:100%;pointer-events:none}.face-labels{position:absolute;z-index:3;inset:0;overflow:hidden;pointer-events:none}.face-label{position:absolute;transform:translate(-50%,-50%);padding:3px 7px;border:1px solid #d6d9e186;border-radius:5px;background:#101114e8;color:#f4f5f7;font-size:11px;line-height:1.4;white-space:nowrap}.viewport-navigation{display:none}
.pattern-viewport>.viewport-caption{display:flex;align-items:center;gap:10px;flex-shrink:0;min-height:68px;padding:14px 18px 12px;color:var(--muted)}.pattern-viewport #toggle-islands{padding:0;border:0;background:none;color:var(--ink);font-size:24px;font-weight:550;letter-spacing:-.5px}
#floating-island-count{display:inline-flex;align-items:center;justify-content:center;min-width:28px;height:25px;margin-left:1px;padding:0 8px;border-radius:7px;background:#2c2d34;color:#dfe0e7;font-size:15px;font-weight:500;letter-spacing:0}#toggle-islands>.small-chevron{width:11px!important;height:11px!important;color:#a2a5af}.pattern-unit{color:var(--subtle);font-size:12px}.pattern-zoom{display:flex;align-items:center;margin-left:auto}.pattern-zoom .icon-button{width:30px;height:32px;font-size:19px}.pattern-zoom .icon-button svg{width:17px;height:17px}
.pattern-stack{flex:1;min-height:0;overflow:auto;padding:0 16px 10px;overscroll-behavior:contain;scrollbar-gutter:stable}.island-card{position:relative;overflow:hidden;margin:0 0 12px;border:1px solid transparent;border-radius:11px;background:var(--paper)}.island-card.invalid{border-color:#b97370}.island-card.active,.island-card.editing-view,.island-card.draft{border-color:var(--selection)}
.island-card-header{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:43px;padding:12px 15px 4px}.island-card-name{min-width:0;padding:0;border:0;background:none;color:#ececf1;font-size:16px;font-weight:550;line-height:1.4;text-align:left;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.island-card-name:hover{color:var(--copper-hover)}.island-card-status{flex-shrink:0;font-size:12px;color:var(--muted)}.island-card.draft .island-card-status{color:#ffadd8}.island-card.invalid .island-card-status{color:#e9afab}
.island-magnify{display:inline-flex;align-items:center;justify-content:center;flex:0 0 30px;width:30px;height:30px;padding:5px;border:1px solid transparent;border-radius:6px;background:none;color:#bfc1cc}.island-magnify:hover{border-color:#555863;background:#2b2d35;color:var(--ink)}.island-magnify svg{width:17px;height:17px}
.island-zoom-dialog{width:90vw;height:85dvh;max-width:none;max-height:calc(100dvh - 32px);margin:auto;padding:0;overflow:hidden;border:1px solid #51535d;border-radius:12px;background:var(--paper);color:var(--ink);box-shadow:0 24px 80px #0008}.island-zoom-dialog[open]{display:flex;flex-direction:column}.island-zoom-dialog::backdrop{background:#000b}
.island-zoom-header{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-shrink:0;min-height:59px;padding:10px 14px 10px 20px;border-bottom:1px solid var(--line)}.island-zoom-header h2{min-width:0;margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:16px;font-weight:500}.island-zoom-actions{display:flex;align-items:center;gap:9px;flex-shrink:0}.island-zoom-actions .button{min-height:33px;font-size:12px}
.island-zoom-stage{flex:1;min-height:0;overflow:hidden;background:var(--work);cursor:grab}.island-zoom-stage.panning{cursor:grabbing}.island-zoom-svg{display:block;width:100%;height:100%;touch-action:none;user-select:none}.island-zoom-svg .pattern-face{cursor:inherit}.island-zoom-help{flex-shrink:0;margin:0;padding:9px 20px;border-top:1px solid var(--line);color:var(--muted);font-size:12px;line-height:1.5}
.pattern-sheet{display:block;width:100%;height:220px;overflow:hidden;touch-action:none;cursor:pointer}.island-card.editing-view .pattern-sheet{cursor:grab}.island-card.editing-view .pattern-sheet:active{cursor:grabbing}.pattern-face{fill:#7c828e;stroke:none;cursor:inherit}.pattern-face:hover{fill:#a0a6b2}.pattern-face.selected{fill:#dc68ac}.pattern-island.draft .pattern-face{fill:#a85b89}.pattern-edge{fill:none;stroke:#d9dce4;stroke-width:1.05;vector-effect:non-scaling-stroke;pointer-events:none}.pattern-edge.fold{stroke:#c9a384;stroke-width:1;stroke-dasharray:none}.pattern-label{fill:#f0edf0;pointer-events:none}.pattern-tab{fill:#565d69;stroke:#bfc8d9;stroke-width:1;vector-effect:non-scaling-stroke;pointer-events:none}.pattern-island .island-title{fill:#d6d8df}
.pattern-empty{position:absolute;inset:142px 20px 55px;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;pointer-events:none;color:var(--muted)}.pattern-empty strong{font-size:16px;font-weight:450;color:#d7d8df}.pattern-empty p{max-width:280px;font-size:13px;line-height:1.7}
.pattern-navigation-help{flex-shrink:0;margin:0;padding:3px 20px 0;color:#a3a5af;font-size:12px;line-height:1.5}.pattern-legend{display:flex;align-items:center;flex-shrink:0;gap:18px;min-height:38px;padding:8px 20px 14px;color:#b0b2bc;font-size:11px}.pattern-legend span{display:flex;align-items:center;gap:6px}.pattern-legend i{width:14px;border-top:1px solid #d9dce4}.pattern-legend .legend-fold{border-color:#c9a384}.pattern-legend .legend-label{border-color:#f0edf0}

/* Collapsible history is inline with the cards; it floats only in single view. */
.history-panel{flex-shrink:0;margin:0 16px 12px;overflow:hidden;border:1px solid #26272d;border-radius:10px;background:var(--paper)}.history-panel>summary{display:flex;align-items:center;gap:12px;min-height:60px;padding:10px 14px;list-style:none;cursor:pointer;user-select:none}.history-panel>summary>svg{width:25px;height:25px;fill:none;stroke:#dedfe6;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.history-panel>summary>span{display:flex;flex-direction:column;gap:2px;min-width:0}.history-panel>summary strong{font-size:14px;font-weight:450}.history-panel>summary>span>span{font-size:12px;color:var(--muted)}.history-panel>summary>.history-chevron{width:14px;height:14px;margin-left:auto;transform:rotate(90deg);color:var(--muted)}.history-panel[open]>summary>.history-chevron{transform:rotate(-90deg)}.history-panel>summary:hover{background:#24252b}.history-panel>summary:focus-visible{outline-offset:-3px}
.history-dock{display:flex;flex-direction:column;gap:6px;max-height:225px;overflow:auto;padding:0 12px 12px}.history-title{display:none}.history-base{margin:0 2px 4px;padding:4px 8px;border-left:1px solid #565965;color:var(--subtle);font-size:11px;line-height:1.6}.history-entry{display:flex;align-items:center;gap:8px;padding:9px 8px 9px 10px;border:1px solid #34363e;border-radius:6px;background:#22232a}.history-entry>span{display:flex;flex-direction:column;gap:4px;min-width:0;flex:1}.history-entry strong{font-size:12px;font-weight:450;line-height:1.4;color:#e2e3e9}.history-entry small{font-size:10px;line-height:1.4;color:var(--subtle)}.history-entry button{width:26px;height:28px;padding:0;border:0;border-radius:5px;background:none;color:#aeb0ba;font-size:18px;flex-shrink:0}.history-entry button:hover:not(:disabled){background:#41434e;color:white}
.scene-panels{position:absolute;z-index:7;left:auto;right:20px;top:24px;display:flex;flex-direction:column;gap:8px;width:204px;max-height:calc(100% - 180px);overflow:auto}.scene-panels:empty{display:none}.scene-panels>.history-panel{margin:0;flex-shrink:0}.scene-panels .history-panel>summary{min-height:44px;padding:7px 10px;gap:9px}.scene-panels .history-panel>summary>svg{width:20px;height:20px}.scene-panels .history-panel>summary>.history-chevron{width:12px;height:12px}.scene-panels .history-panel>summary strong{font-size:13px}.scene-panels .history-panel>summary>span>span{font-size:11px;line-height:1.3}
.sidebar.open~.work-area .scene-panels{right:350px}body[data-stage="2"] .sidebar.open~.work-area .scene-panels{right:20px;max-height:calc(100% - 430px)}
.object-count{display:inline-block;min-width:21px;margin-left:5px;padding:1px 5px;border-radius:5px;background:#2c2d34;color:var(--muted);font-size:12px;font-weight:400;text-align:center}.objects-panel-body{padding:0 12px 12px}.object-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:5px 10px;margin:0 0 8px}.object-actions .text-button{font-size:11px}.object-list{display:flex;flex-direction:column;gap:6px;max-height:180px;overflow:auto;padding:2px}.object-row{min-width:0}.object-select{display:flex;align-items:flex-start;flex-direction:column;gap:3px;width:100%;min-height:38px;padding:7px 9px;border:1px solid #4c4e58;border-radius:5px;background:#24252b;color:#e3e4eb;text-align:left}.object-select strong{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px;font-weight:500}.object-select small{font-size:11px;line-height:1.5;color:var(--muted)}.object-select:hover{background:#353741}.object-select[aria-pressed=true],.object-row.active .object-select{border-color:var(--copper);background:#3c3029;color:#f3d8c2}.objects-panel #next-object{min-height:32px;font-size:12px}

/* Floating lower controls stay on the 3D side. */
.work-toolbar{position:fixed;z-index:18;left:20px;bottom:20px;display:flex;align-items:center;gap:6px;min-height:44px;max-width:calc(100vw - 280px);padding:5px;border:1px solid #3b3d45;border-radius:9px;background:var(--paper);box-shadow:0 4px 12px #0003}.palette-toggle{display:flex;align-items:center;justify-content:center;gap:6px;min-height:32px;padding:6px 8px;border:0;border-radius:6px;background:none;color:#d2d4dc;font-size:12px}.palette-toggle svg{width:17px;height:17px}.palette-toggle:hover,.palette-toggle[aria-expanded=true]{background:#3b3028;color:#e7c4a8}.tool-pills{display:flex;align-items:center;gap:3px;min-width:0}.tool-pill{min-height:31px;padding:6px 8px;border:0;border-radius:5px;background:none;color:var(--muted);font-size:12px}.tool-pill.selected{background:#363842;color:#f5f5f7}#hover-info{max-width:125px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;color:#a3a5af;font-size:10px;padding:0 6px}.work-toolbar-right{display:flex;align-items:center;border-left:1px solid var(--line);padding-left:4px}.work-toolbar .icon-button{width:30px;height:30px}
.model-readout{position:fixed;z-index:12;left:23px;bottom:82px;max-width:calc(100vw - 390px);padding:5px 0;color:#d2d4dc;pointer-events:none}.metrics{display:flex;align-items:center;gap:13px}.metrics>div{display:flex;align-items:baseline;gap:5px;white-space:nowrap}.metrics>div+div{padding-left:13px;border-left:1px solid #484a54}.metrics strong{font-size:15px;font-weight:500;font-variant-numeric:tabular-nums}.metrics span{font-size:12px;color:#b9bbc4}
.work-footer{position:fixed;z-index:19;right:20px;bottom:20px;display:flex;align-items:center;gap:8px;padding:5px;border:1px solid #383a42;border-radius:9px;background:var(--paper)}.work-footer>span{display:none}.work-footer .button{min-height:32px;padding:7px 12px;font-size:12px}.work-footer svg{width:16px;height:16px}
body[data-stage="2"] .work-toolbar,body[data-stage="3"] .work-toolbar{left:calc(var(--islands-width) + 20px);max-width:calc(100vw - var(--islands-width) - 270px)}
body[data-stage="2"] .model-readout,body[data-stage="3"] .model-readout{left:calc(var(--islands-width) + 23px);max-width:calc(100vw - var(--islands-width) - 470px)}
body[data-stage="2"] .metrics>div:nth-child(3),body[data-stage="3"] .metrics>div:nth-child(3){display:none}
body[data-stage="2"] .sidebar{top:auto;bottom:80px;width:420px;max-width:calc(100vw - var(--islands-width) - 230px);max-height:320px;transform:none}
body[data-stage="2"] .sidebar-footer{display:none}
body[data-stage="2"] .context-panel-header{min-height:39px;padding-block:6px}
body[data-stage="2"] #region-controls>section{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:7px;padding:10px 16px}
body[data-stage="2"] #region-controls>section>h2,body[data-stage="2"] #region-controls>section>.hint{display:none}
body[data-stage="2"] #region-controls>section>.field{grid-column:1/-1;display:flex;flex-direction:row;align-items:center;gap:12px;margin:0;font-size:12px}
body[data-stage="2"] #region-controls>section>.field>input{flex:1;min-width:0;min-height:32px;padding-block:5px}
body[data-stage="2"] #region-controls>section>.button-row:first-of-type{grid-column:1;grid-row:2;margin:0}
body[data-stage="2"] #region-controls>section>.button-row:last-of-type{grid-column:3;grid-row:2;margin:0}
body[data-stage="2"] #region-controls>section>.button-row .button{padding:7px 10px;font-size:12px;min-height:32px}
body[data-stage="2"] #clear-selection{min-height:30px;padding:5px 0;font-size:12px;color:#cbb29c}
body[data-stage="2"] .face-picker:not([open]){grid-column:2;grid-row:2;align-self:center}
body[data-stage="2"] .face-picker[open]{grid-column:1/-1;grid-row:3}
body[data-stage="2"] #face-selection-count{position:absolute;right:49px;top:12px;margin:0;color:var(--muted);font-size:11px}
body[data-stage="2"] #cancel-edit{grid-column:1/-1}body[data-stage="2"] #next-stage{background:#25262d;border-color:#666873;color:#f0f0f4}
.selection-readout{margin:12px 0;color:var(--muted);font-size:12px}.face-picker{grid-column:1/-1;grid-row:3;display:block;margin:0;padding-top:0;font-size:12px}.face-picker summary{color:#b9bbc6;cursor:pointer;min-height:27px;line-height:27px;font-size:12px}.face-picker .field{margin-top:8px}.face-picker .hint{font-size:11px}

/* Project regions and exported artifacts. */
.coverage{color:var(--muted);font-size:12px;line-height:1.5}.coverage.complete{color:#b6cfbd}.island-list{display:flex;flex-direction:column;gap:7px;margin-top:12px}.island-row{display:flex;align-items:center;gap:7px;padding:9px;border:1px solid #3e404a;border-radius:7px;background:#222329}.island-row.active{border-color:#8d7563;background:#342b24}.island-row.invalid{border-left:3px solid #b97370}.region-select{display:flex;flex:1;min-width:0;flex-direction:column;gap:3px;text-align:left;border:0;background:none;padding:0;color:var(--ink)}.region-select strong{max-width:175px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-size:12px;font-weight:500}.region-select small{font-size:10px;color:var(--muted)}.island-delete{width:22px;height:28px;flex-shrink:0;padding:0;border:0;background:none;color:#b1b3bd;font-size:18px}.island-delete:hover{color:white}.region-extra{margin:0 2px 6px;font-size:11px;color:#d1b39a;line-height:1.5}.region-cuts{padding:7px;border:1px solid #685344;border-radius:6px;background:none;color:#dfbfa6;font-size:12px}.download-list{display:flex;flex-direction:column;gap:7px;margin-top:14px}.download-list a{padding:10px;border:1px solid #494b55;border-radius:7px;background:#222329;color:#dddfe6;font-size:12px;text-decoration:none;overflow-wrap:anywhere}.download-list a:hover{background:#30323b}.download-list .zip-link{border-color:#96765d;background:#3b2f25;color:#f0d3bc;font-weight:500}.safety-note{font-size:11px}

/* Feedback never prevents inspection or cancellation. */
.message-bar{position:fixed;z-index:16;top:77px;left:50%;transform:translateX(-50%);display:flex;align-items:center;justify-content:space-between;gap:10px;max-width:min(600px,calc(100vw - 570px));padding:7px 11px;border:1px solid transparent;border-radius:7px;background:#17181ce8;color:#c5c7d1;font-size:12px;line-height:1.5;pointer-events:none}.message-bar .icon-button{width:25px;height:25px;padding:4px;pointer-events:auto}.message-bar.success{border-color:#53675c;background:#1b241f;color:#c9dfd1}.message-bar.warning{border-color:#8b7357;background:#2e261d;color:#e9c9a6}.message-bar.error{border-color:#ad7976;background:#362326;color:#f1c1bf}
body[data-stage="2"] .message-bar,body[data-stage="3"] .message-bar{left:calc(var(--islands-width) + (100vw - var(--islands-width))/2);max-width:min(600px,calc(100vw - var(--islands-width) - 80px))}
@media(min-width:1200px){
 body:is([data-stage="0"],[data-stage="1"]) .sidebar.open~.work-area .message-bar{left:calc((100vw - 574px)/2);max-width:min(600px,calc(100vw - 614px))}
 body:is([data-stage="2"],[data-stage="3"]) .message-bar{left:calc(var(--islands-width) + (100vw - var(--islands-width) - 244px)/2);max-width:min(600px,calc(100vw - var(--islands-width) - 284px))}
 body[data-stage="3"] .sidebar.open~.work-area .message-bar{left:calc(var(--islands-width) + (100vw - var(--islands-width) - 574px)/2);max-width:min(600px,calc(100vw - var(--islands-width) - 614px))}
}
.busy-bar{position:fixed;z-index:40;top:79px;left:50%;transform:translateX(-50%);display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:10px;max-width:calc(100vw - 40px);padding:11px 14px;border:1px solid #78614f;border-radius:9px;background:#1d1d21;box-shadow:var(--shadow);color:#eed5c0;font-size:12px;pointer-events:none}.busy-hint{color:var(--muted);font-size:11px}.busy-cancel{pointer-events:auto;font-size:12px;min-height:31px}.spinner{display:block;flex-shrink:0;width:14px;height:14px;border:2px solid #695447;border-top-color:#e3b38d;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}

/* Long browser initialization stays visible without hiding job cancellation. */
.runtime-status{position:fixed;z-index:45;top:132px;left:50%;transform:translateX(-50%);width:min(430px,calc(100vw - 48px));max-height:calc(100vh - 224px);overflow:auto;padding:16px 18px;border:1px solid #655243;border-radius:10px;background:var(--paper);box-shadow:var(--shadow);color:var(--ink)}
.runtime-status-heading{display:flex;align-items:center;gap:10px}.runtime-status-heading strong{flex:1;min-width:0;font-size:14px;font-weight:550;line-height:1.4}.runtime-status-heading .icon-button{width:28px;height:28px;padding:5px;margin:-5px -6px -5px 0}.runtime-status-phase{margin:10px 0 0;color:var(--muted);font-size:13px;line-height:1.5;overflow-wrap:anywhere}.runtime-progress-row{display:flex;align-items:center;gap:12px;margin-top:14px}.runtime-progress-row progress{display:block;flex:1;min-width:0;height:5px;overflow:hidden;border:0;border-radius:3px;appearance:none;background:var(--surface);accent-color:var(--copper)}.runtime-progress-row progress::-webkit-progress-bar{background:var(--surface);border-radius:3px}.runtime-progress-row progress::-webkit-progress-value{background:var(--copper);border-radius:3px}.runtime-progress-row progress::-moz-progress-bar{background:var(--copper);border-radius:3px}.runtime-progress-row progress:not([value]){background:linear-gradient(90deg,var(--surface) 30%,var(--copper) 50%,var(--surface) 70%);background-size:240% 100%;animation:runtime-wait 1.8s linear infinite}.runtime-progress-row progress:not([value])::-webkit-progress-bar{background:transparent}.runtime-progress-row>span{min-width:31px;color:var(--copper-hover);font-size:12px;font-variant-numeric:tabular-nums;text-align:right}.runtime-status-detail{margin:10px 0 0;color:var(--subtle);font-size:12px;line-height:1.55;overflow-wrap:anywhere}.runtime-status-error-icon{display:none;width:20px;height:20px;fill:none;stroke:#e46e65;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}.runtime-status[data-state="error"]{border-color:#8c5953}.runtime-status[data-state="error"] .runtime-status-spinner{display:none}.runtime-status[data-state="error"] .runtime-status-error-icon{display:block}.runtime-error-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.runtime-error-actions .button{min-height:38px;font-size:12px}.runtime-report-note{margin:12px 0 0;color:var(--subtle);font-size:11px;line-height:1.5}@keyframes runtime-wait{to{background-position:-240% 0}}

/* Empty workplane: bring an existing project or a new mesh. */
.empty-workplane{position:absolute;z-index:4;left:50%;top:50%;transform:translate(-50%,-49%);display:flex;align-items:center;flex-direction:column;width:min(700px,calc(100% - 64px));text-align:center}.start-logo{display:block;flex-shrink:0;width:300px;max-width:75%;height:104px;object-fit:contain;margin:0 0 24px}.empty-workplane h1{margin:0 0 26px;color:#dfdfe5;font-size:23px;font-weight:450;letter-spacing:-.4px;line-height:1.3}.start-tiles{display:grid;grid-template-columns:1fr 1fr;gap:20px;width:100%}.start-tile{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:14px;aspect-ratio:1.08;padding:28px;border:1px solid #3e4049;border-radius:12px;background:var(--paper);text-align:left;color:var(--ink)}.start-tile:hover{border-color:var(--copper);background:#202126}.start-tile>svg{width:35px;height:35px;margin-bottom:7px;stroke:var(--copper);stroke-width:1.25;fill:none}.start-tile strong{font-size:21px;font-weight:450;letter-spacing:-.3px;line-height:1.25}.start-tile span{color:var(--muted);font-size:14px;line-height:1.6}.start-tile:after{content:"Choisir un fichier ou déposer ici";font-size:12px;color:#a6a8b2;margin-top:4px}.start-sample{min-height:44px;margin-top:19px;padding:10px;border:0;border-radius:7px;background:none;color:#c4a78f;font-size:13px}.start-sample:hover{background:#222026;color:#ecd0b9}.empty-note{margin-top:9px;color:var(--subtle);font-size:12px;line-height:1.5}
.start-screen .stage-nav,.start-screen .header-document>.header-divider,.start-screen .document-trigger,.start-screen #undo,.start-screen #redo,.start-screen #save-project,.start-screen .header-actions>.header-divider{display:none}.start-screen .app-header{grid-template-columns:1fr auto}.start-screen .work-toolbar,.start-screen .work-footer,.start-screen .model-readout,.start-screen .three-viewport>.viewport-caption,.start-screen .history-panel,.start-screen .message-bar{display:none!important}.start-screen .message-bar.warning,.start-screen .message-bar.error{display:flex!important;top:auto;bottom:20px;max-width:calc(100vw - 80px)}
.drop-overlay{position:fixed;z-index:70;inset:78px 14px 14px;display:flex;align-items:center;justify-content:center;border:2px dashed var(--copper);border-radius:13px;background:#0b0b0df5;color:#edd2bd;pointer-events:none}.drop-overlay>div{display:flex;align-items:center;flex-direction:column;gap:18px;text-align:center}.drop-overlay svg{width:52px;height:52px;fill:none;stroke:var(--copper);stroke-width:1.2;stroke-linejoin:round}.drop-overlay strong{font-size:22px;font-weight:450}.drop-overlay span{font-size:14px;color:var(--muted)}

/* Desktop window constraints only; phones never load the editor. */
@media(max-width:1150px){.app-header{gap:9px;padding:0 14px}.brand{flex-basis:120px;width:120px}.header-document,.header-actions{gap:6px}.document-trigger{max-width:160px;gap:6px}.stage{gap:5px;padding:9px 8px;font-size:12px}.stage>span{width:18px;height:18px;font-size:10px}.save-button>span{display:none}.save-button{width:37px;padding:8px!important}.mode-trigger{padding:8px 9px;font-size:12px}.header-actions>.header-divider{display:none}.metrics{gap:9px}.metrics>div+div{padding-left:9px}#hover-info{display:none}.work-toolbar{gap:3px}.pattern-viewport>.viewport-caption{gap:7px;padding-inline:16px}.pattern-unit{display:none}body[data-stage="2"] .sidebar{max-width:calc(100vw - var(--islands-width) - 150px)}body[data-stage="2"] #region-controls>section>.button-row .button{font-size:11px;padding:7px}.message-bar{max-width:calc(100vw - 420px)}}
body.unsupported-device> :not(#unsupported-device){display:none!important}.unsupported-device-screen{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;padding:35px 28px;background:var(--work);color:var(--ink);text-align:center}.unsupported-mark{position:absolute;top:28px;left:28px;width:min(210px,calc(100vw - 56px))}.unsupported-mark img{display:block;width:100%;height:76px;object-fit:contain}.unsupported-device-screen>svg{width:65px;height:65px;fill:none;stroke:var(--copper);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;margin-bottom:26px}.unsupported-device-screen h1{margin:0 0 17px;font-size:26px;font-weight:450;letter-spacing:-.5px;line-height:1.2}.unsupported-device-screen p{max-width:330px;margin:0;color:var(--muted);font-size:15px;line-height:1.65}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}
.island-download-row{display:flex;align-items:center;justify-content:flex-end;padding:0 14px 8px;border-top:1px solid #ffffff0c}.island-download{display:inline-flex;align-items:center;gap:7px;min-width:65px;min-height:36px;color:var(--copper)}.island-download>svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.5}.dxf-context-menu{position:fixed;z-index:150;min-width:195px;padding:5px;border:1px solid var(--line);border-radius:7px;background:var(--panel,#191a1e);box-shadow:0 8px 30px #0008}.dxf-context-menu>.button{width:100%;text-align:left;background:none;border:0}#export-full-project{margin-top:10px;font-size:12px}#download-project-json{margin-top:8px;font-size:12px}