@layer reset,tokens,base,components,layout,features,responsive;@layer reset{*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;min-width:320px;min-height:100%;overflow-x:hidden}}@layer base{:root{font-family:var(--font-ui, "Segoe UI", Tahoma, Geneva, Verdana, sans-serif);color:var(--color-text, #17201f);background:var(--color-page, #e4e4dc);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{color:var(--color-text, #17201f);background:var(--color-page, #e4e4dc)}}@layer reset,tokens,base,components,layout,features,responsive;@layer tokens{:root{color-scheme:light;--font-ui: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;--font-technical: "Arial Narrow", "Aptos Narrow", "Segoe UI", sans-serif;--font-data: ui-monospace, "SFMono-Regular", Consolas, "Liberation Mono", monospace;--palette-paper: #fbfaf6;--palette-panel: #f2f0e7;--palette-page: #e4e4dc;--palette-ink: #17201f;--palette-muted: #68746f;--palette-rule: #c9c5b7;--palette-teal: #2c716b;--palette-rust: #c85f3d;--document-paper: #fbfaf6;--document-ink: #17201f;--document-muted: #68746f;--document-rule: #c9c5b7;--document-teal: #2c716b;--document-rust: #c85f3d;--document-blue: #1f63a2;--document-amber: #af6e21;--document-green: #2e6f54;--document-timber: #9a6b3f;--document-steel: #657080;--document-concrete: #aaa596;--document-glass: #7fb8c7;--document-ground: #7a8c68;--document-white: #ffffff;--document-black: #111716;--color-page: var(--palette-page);--color-page-grid-minor: rgba(23, 32, 31, .035);--color-page-grid: rgba(23, 32, 31, .075);--color-shell: rgba(242, 240, 231, .96);--color-panel: var(--palette-panel);--color-card: var(--palette-paper);--color-card-muted: #e9e7dd;--color-stage: #343d3b;--color-stage-text: #f1f0e8;--color-stage-muted: #aab3ae;--color-stage-rule: #4d5a56;--color-stage-grid-minor: rgba(235, 237, 226, .025);--color-stage-grid: rgba(235, 237, 226, .07);--color-text: var(--palette-ink);--color-muted: var(--palette-muted);--color-border: var(--palette-rule);--color-border-soft: rgba(201, 197, 183, .58);--color-primary: var(--palette-teal);--color-primary-hover: #245f5a;--color-primary-contrast: #ffffff;--color-accent: var(--palette-teal);--color-accent-hover: #245f5a;--color-accent-soft: rgba(44, 113, 107, .13);--color-accent-contrast: #ffffff;--color-danger: var(--palette-rust);--color-danger-hover: #a94e32;--color-danger-soft: rgba(200, 95, 61, .13);--color-success: var(--palette-teal);--color-success-hover: #245f5a;--color-success-soft: rgba(44, 113, 107, .13);--color-warning: #af6e21;--color-warning-hover: #8c571a;--color-warning-soft: rgba(175, 110, 33, .14);--color-info: #1f63a2;--color-info-hover: #174f83;--color-info-soft: rgba(31, 99, 162, .13);--color-scrim: rgba(17, 23, 22, .68);--focus-ring: rgba(44, 113, 107, .28);--space-0-5: 2px;--space-1: 4px;--space-1-5: 6px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-6: 24px;--radius-none: 0;--radius-tight: 2px;--radius-control: 2px;--radius-panel: 4px;--radius-round: 999px;--control-height-compact: 28px;--control-height: 32px;--control-hit-target: 44px;--control-checkbox-size: 18px;--control-visually-hidden-size: 1px;--control-textarea-min-height: 72px;--font-size-caption: .625rem;--font-size-label: .6875rem;--font-size-control: .75rem;--font-size-body: .8125rem;--font-size-title: 1rem;--shadow-soft: 0 5px 16px rgba(23, 32, 31, .12);--shadow-elevated: 0 16px 42px rgba(23, 32, 31, .2);--shadow-control: 0 1px 0 rgba(23, 32, 31, .12);--technical-page-grid: linear-gradient(90deg, var(--color-page-grid) 1px, transparent 1px), linear-gradient(var(--color-page-grid) 1px, transparent 1px), linear-gradient(90deg, var(--color-page-grid-minor) 1px, transparent 1px), linear-gradient(var(--color-page-grid-minor) 1px, transparent 1px), var(--color-page);--stage-grid-background: linear-gradient(90deg, var(--color-stage-grid) 1px, transparent 1px), linear-gradient(var(--color-stage-grid) 1px, transparent 1px), linear-gradient(90deg, var(--color-stage-grid-minor) 1px, transparent 1px), linear-gradient(var(--color-stage-grid-minor) 1px, transparent 1px), var(--color-stage)}:root[data-color-mode=dark]{color-scheme:dark;--palette-page: #151b1a;--palette-panel: #242d2b;--palette-paper: #2b3532;--palette-ink: #f1f0e8;--palette-muted: #aab3ae;--palette-rule: #4d5a56;--palette-teal: #69aaa2;--palette-rust: #e27b58;--color-page: var(--palette-page);--color-page-grid-minor: rgba(241, 240, 232, .025);--color-page-grid: rgba(241, 240, 232, .06);--color-shell: rgba(28, 36, 34, .97);--color-panel: var(--palette-panel);--color-card: var(--palette-paper);--color-card-muted: #202826;--color-stage: #111716;--color-stage-text: #f1f0e8;--color-stage-muted: #aab3ae;--color-stage-rule: #4d5a56;--color-stage-grid-minor: rgba(241, 240, 232, .025);--color-stage-grid: rgba(241, 240, 232, .07);--color-text: var(--palette-ink);--color-muted: var(--palette-muted);--color-border: var(--palette-rule);--color-border-soft: rgba(77, 90, 86, .66);--color-primary: var(--palette-teal);--color-primary-hover: #82beb7;--color-primary-contrast: #111716;--color-accent: var(--palette-teal);--color-accent-hover: #82beb7;--color-accent-soft: rgba(105, 170, 162, .16);--color-accent-contrast: #111716;--color-danger: var(--palette-rust);--color-danger-hover: #ee9273;--color-danger-soft: rgba(226, 123, 88, .17);--color-success: var(--palette-teal);--color-success-hover: #82beb7;--color-success-soft: rgba(105, 170, 162, .16);--color-warning: #e0a45a;--color-warning-hover: #edba7c;--color-warning-soft: rgba(224, 164, 90, .17);--color-info: #78aeda;--color-info-hover: #98c1e2;--color-info-soft: rgba(120, 174, 218, .17);--color-scrim: rgba(8, 12, 11, .78);--focus-ring: rgba(105, 170, 162, .36);--shadow-soft: 0 5px 18px rgba(0, 0, 0, .3);--shadow-elevated: 0 18px 46px rgba(0, 0, 0, .4);--shadow-control: 0 1px 0 rgba(0, 0, 0, .34)}}@layer components{.ui-button,.icon-button,.row-action,.toolbar-button{align-items:center;border:1px solid var(--color-border);border-radius:var(--radius-control);color:var(--color-text);background:var(--color-card);box-shadow:var(--shadow-control);cursor:pointer;font-family:var(--font-ui);font-size:var(--font-size-control);font-weight:750;line-height:1;transition:background-color .1s ease,border-color .1s ease,color .1s ease,transform .1s ease}.ui-input,.ui-select,.ui-textarea,.ui-file-input,.field-shell>input,.field-shell>select,.field-shell>textarea,.number-input-frame{border:1px solid var(--color-border);border-radius:var(--radius-control);color:var(--color-text);background:var(--color-card);box-shadow:var(--shadow-control);font-family:var(--font-ui);font-size:var(--font-size-control)}.ui-input,.ui-select,.field-shell>input,.field-shell>select{min-height:var(--control-height);padding:0 var(--space-2)}.ui-select,.field-shell>select{padding-right:var(--space-6)}.ui-textarea,.field-shell>textarea{min-height:calc(var(--control-height) * 2);padding:var(--space-2);resize:vertical}.ui-file-input,.field-shell>.ui-file-input{min-height:var(--control-height);padding:var(--space-0-5)}.ui-file-input::file-selector-button{min-height:var(--control-height-compact);margin-right:var(--space-2);border:1px solid var(--color-border);border-radius:var(--radius-tight);color:var(--color-text);background:var(--color-card-muted);font:inherit;cursor:pointer}.ui-input:focus,.ui-select:focus,.ui-textarea:focus,.ui-file-input:focus,.field-shell>input:focus,.field-shell>select:focus,.field-shell>textarea:focus{border-color:var(--color-accent);outline:2px solid var(--focus-ring);outline-offset:1px}.ui-checkbox{width:16px;height:16px;margin:0;accent-color:var(--color-primary)}.ui-button{display:inline-flex;justify-content:center;gap:var(--space-1-5);min-height:var(--control-height);padding:0 var(--space-3)}.ui-button--compact{min-height:var(--control-height-compact);padding-inline:var(--space-2)}.ui-button--touch{min-height:var(--control-hit-target)}.ui-button--primary{border-color:var(--color-primary);color:var(--color-primary-contrast);background:var(--color-primary)}.ui-button--danger{border-color:var(--color-danger);color:var(--color-primary-contrast);background:var(--color-danger)}.ui-button--ghost,.toolbar-button{border-color:transparent;background:transparent;box-shadow:none}.ui-button:hover:not(:disabled),.icon-button:hover:not(:disabled),.row-action:hover:not(:disabled),.toolbar-button:hover:not(:disabled){border-color:var(--color-accent);background:var(--color-accent-soft)}.ui-button--primary:hover:not(:disabled){border-color:var(--color-primary-hover);color:var(--color-primary-contrast);background:var(--color-primary-hover)}.ui-button--danger:hover:not(:disabled){border-color:var(--color-danger-hover);background:var(--color-danger-hover)}.ui-button:focus-visible,.icon-button:focus-visible,.row-action:focus-visible,.toolbar-button:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}.ui-button:disabled,.icon-button:disabled,.row-action:disabled,.toolbar-button:disabled{cursor:not-allowed;opacity:.42}.icon-button,.row-action,.toolbar-button{display:inline-flex;justify-content:center;width:var(--control-height);height:var(--control-height);padding:0}.icon-button--compact,.row-action--compact,.toolbar-button--compact{width:var(--control-height-compact);height:var(--control-height-compact)}.icon-button--touch,.row-action--touch,.toolbar-button--touch{width:var(--control-hit-target);height:var(--control-hit-target)}.toolbar-button[aria-pressed=true]{border-color:var(--color-accent);color:var(--color-accent);background:var(--color-accent-soft)}.ui-toolbar{align-items:center;display:flex;flex-wrap:wrap;gap:var(--space-1);min-height:var(--control-height)}.ui-toolbar-group{align-items:center;display:inline-flex;gap:var(--space-0-5)}.ui-toolbar-group+.ui-toolbar-group{border-left:1px solid var(--color-border);margin-left:var(--space-1);padding-left:var(--space-2)}.ui-segmented{align-items:center;border:1px solid var(--color-border);border-radius:var(--radius-control);display:inline-flex;overflow:hidden}.ui-segmented-option{min-height:var(--control-height-compact);border:0;border-right:1px solid var(--color-border);padding-inline:var(--space-2);color:var(--color-muted);background:var(--color-card);font:750 var(--font-size-control)/1 var(--font-ui);cursor:pointer}.ui-segmented-option:last-child{border-right:0}.ui-segmented-option.active{color:var(--color-primary-contrast);background:var(--color-primary)}.ui-panel{border:1px solid var(--color-border);border-radius:var(--radius-panel);color:var(--color-text);background:var(--color-panel)}.ui-panel-header{align-items:center;border-bottom:1px solid var(--color-border);display:flex;gap:var(--space-2);justify-content:space-between;min-height:var(--control-height);padding:var(--space-1-5) var(--space-2)}.ui-panel-header h2,.ui-panel-header h3{font-family:var(--font-technical);font-size:var(--font-size-title);letter-spacing:.02em;line-height:1;margin:0;text-transform:uppercase}.ui-badge,.ui-status{align-items:center;border:1px solid var(--color-border);border-radius:var(--radius-round);display:inline-flex;font-family:var(--font-data);font-size:var(--font-size-caption);font-variant-numeric:tabular-nums;gap:var(--space-1);min-height:20px;padding:2px var(--space-1-5)}.ui-status--danger{border-color:var(--color-danger);color:var(--color-danger);background:var(--color-danger-soft)}.ui-badge--success,.ui-status--success{border-color:var(--color-success);color:var(--color-success);background:var(--color-accent-soft)}.ui-validation{border:1px solid var(--color-border);border-radius:var(--radius-tight);margin:0;padding:var(--space-2);color:var(--color-text);background:var(--color-card);font-size:var(--font-size-control)}.ui-validation--error{border-color:var(--color-danger);color:var(--color-danger);background:var(--color-danger-soft)}.ui-validation--success{border-color:var(--color-success);color:var(--color-success);background:var(--color-accent-soft)}.ui-dialog-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:grid;place-items:center;padding:var(--space-4);background:color-mix(in srgb,var(--color-stage) 72%,transparent)}.ui-dialog,.ui-popover{border:1px solid var(--color-border);border-radius:var(--radius-panel);color:var(--color-text);background:var(--color-panel);box-shadow:var(--shadow-elevated)}.ui-dialog{max-height:calc(100dvh - (2 * var(--space-4)));overflow:hidden}.ui-dialog-header{min-height:var(--control-height);display:flex;align-items:center;justify-content:space-between;gap:var(--space-2);border-bottom:1px solid var(--color-border);padding:var(--space-2)}.viewport-zoom-controls,.viewport-camera-controls,.length-unit-control{align-items:center;border:1px solid var(--color-border);border-radius:var(--radius-panel);display:inline-flex;gap:var(--space-0-5);padding:var(--space-0-5);color:var(--color-text);background:color-mix(in srgb,var(--color-panel) 94%,transparent);box-shadow:var(--shadow-soft)}.viewport-camera-controls{bottom:var(--space-3);position:absolute;right:var(--space-3);z-index:8}.viewport-zoom-percent{align-items:center;border-inline:1px solid var(--color-border);display:inline-flex;height:var(--control-height-compact);padding-inline:var(--space-1)}.viewport-zoom-percent input{border:0;color:inherit;background:transparent;font-family:var(--font-data);font-size:var(--font-size-control);font-variant-numeric:tabular-nums;outline:0;padding:0;text-align:right;width:4.5ch}.viewport-zoom-percent span{color:var(--color-muted);font-family:var(--font-data);font-size:var(--font-size-label)}.viewport-fit-button{box-shadow:none;text-transform:uppercase}.length-unit-control .ui-button{min-width:var(--control-height-compact);padding-inline:var(--space-1-5);text-transform:lowercase}.length-unit-control .ui-button[aria-pressed=true]{border-color:var(--color-accent);color:var(--color-accent);background:var(--color-accent-soft)}@media(pointer:coarse),(max-width:820px){.ui-button,.icon-button,.row-action,.toolbar-button{min-height:var(--control-hit-target)}.icon-button,.row-action,.toolbar-button{min-width:var(--control-hit-target);width:var(--control-hit-target);height:var(--control-hit-target)}}}@layer features{#root{min-height:100%}.app-shell{--app-header-height: 44px;--app-rail-width: 48px;position:fixed;top:0;right:0;bottom:0;left:0;height:100vh;height:100dvh;min-height:0;display:grid;grid-template-columns:var(--app-rail-width) minmax(0,1fr);grid-template-rows:var(--app-header-height) minmax(0,1fr);overflow:hidden;color:var(--color-text);background:var(--technical-page-grid);background-size:32px 32px,32px 32px,8px 8px,8px 8px}.start-screen{min-height:100vh;display:grid;grid-template-rows:minmax(0,1fr) auto;color:var(--color-text);background:var(--technical-page-grid);background-size:32px 32px,32px 32px,8px 8px,8px 8px}.app-version{position:fixed;right:10px;bottom:8px;z-index:1000;border:1px solid color-mix(in srgb,var(--color-text) 18%,transparent);border-radius:var(--radius-panel);padding:4px 7px;color:color-mix(in srgb,var(--color-text) 72%,transparent);background:color-mix(in srgb,var(--color-card) 82%,transparent);font-size:.68rem;font-weight:850;line-height:1;pointer-events:none}.start-screen>.language-selector{position:fixed;top:12px;right:12px;z-index:20}.start-hero,.start-free{min-width:0;padding-inline:clamp(18px,5vw,72px)}.start-hero{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-4);min-height:0;padding-block:clamp(28px,6vh,64px);text-align:center}.start-brand{display:flex;flex-direction:column;align-items:center;gap:14px;max-width:720px}.start-brand-icon{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;width:40px;height:40px;border:1px solid var(--color-danger);border-radius:var(--radius-panel);color:var(--color-primary-contrast);background:var(--color-danger)}.start-brand p,.start-free-heading p{margin:0 0 8px;color:var(--color-muted);font-size:.78rem;font-weight:900;letter-spacing:0;text-transform:uppercase}.start-brand h1{max-width:760px;margin:0;color:var(--color-text);font-family:var(--font-technical);font-size:clamp(1.8rem,4vw,3rem);line-height:1;letter-spacing:.025em;text-transform:uppercase}.start-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}.start-disclaimer,.start-legal-strip{display:grid;align-items:center;gap:9px;width:min(680px,100%);border:1px solid var(--color-border);border-radius:var(--radius-panel);padding:10px 12px;color:var(--color-text);background:color-mix(in srgb,var(--color-card) 72%,transparent);font-size:.82rem;font-weight:800;line-height:1.35;text-align:left}.start-disclaimer{grid-template-columns:auto minmax(0,1fr);border-color:var(--color-danger);color:var(--color-danger);background:var(--color-danger-soft)}.start-legal-strip{grid-template-columns:auto minmax(0,1fr) auto}.start-disclaimer svg{color:var(--color-danger)}.start-legal-strip svg{color:var(--color-primary)}.start-legal-strip .ui-button,.start-terms-actions .ui-button{border:1px solid var(--color-border);border-radius:var(--radius-panel);color:var(--color-primary);background:var(--color-card);font-weight:900;cursor:pointer}.start-legal-strip .ui-button{min-height:var(--control-height);padding:7px 10px;white-space:nowrap}.start-actions .ui-button,.start-submit,.start-auth-heading .ui-button{min-height:var(--control-height);border-radius:var(--radius-panel);font-weight:900;cursor:pointer}.start-actions .ui-button,.start-submit{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--color-primary);padding:10px 16px}.start-primary,.start-submit{color:var(--color-primary-contrast);background:var(--color-primary)}.start-secondary{color:var(--color-primary);background:var(--color-card)}.start-actions .ui-button:disabled,.start-submit:disabled{opacity:.48;cursor:not-allowed}.start-auth-form{display:grid;gap:12px;width:min(440px,100%);border:1px solid var(--color-border);border-radius:var(--radius-panel);padding:var(--space-3);background:color-mix(in srgb,var(--color-card) 86%,transparent);text-align:left}.start-auth-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.start-auth-heading h2{margin:0;font-size:1.1rem}.start-auth-heading .ui-button{border:1px solid var(--color-border);padding:8px 10px;color:var(--color-primary);background:var(--color-card-muted)}.start-auth-links{display:flex;flex-wrap:wrap;gap:8px}.start-auth-links .ui-button{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:var(--control-height);border:1px solid var(--color-border);border-radius:var(--radius-panel);padding:7px 10px;color:var(--color-primary);background:var(--color-card);font-size:.78rem;font-weight:900}.start-auth-links .ui-button:disabled{opacity:.48;cursor:not-allowed}.start-terms-note{margin:0;color:var(--color-muted);font-size:.78rem;font-weight:800;line-height:1.45}.start-terms-acceptance{display:grid;grid-template-columns:auto minmax(0,1fr);gap:10px;border:1px solid var(--color-border);border-radius:var(--radius-panel);padding:11px;background:var(--color-card)}.start-auth-form .start-terms-acceptance .ui-checkbox{width:var(--control-checkbox-size);height:var(--control-checkbox-size);min-height:var(--control-checkbox-size);margin-top:2px;accent-color:var(--color-primary)}.start-terms-acceptance label{display:block;color:var(--color-text);font-size:.8rem;font-weight:900;line-height:1.4}.start-terms-actions{grid-column:2;display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.start-terms-actions .ui-button{min-height:var(--control-height);padding:5px 8px;font-size:.76rem}.start-auth-form label{display:grid;gap:6px;color:var(--color-text);font-size:.78rem;font-weight:900}.start-auth-form .ui-input{min-height:var(--control-height);border:1px solid var(--color-border);border-radius:var(--radius-control);padding:0 var(--space-2);color:var(--color-text);background:var(--color-card);font:inherit}.start-message{width:min(520px,100%);margin:0;border-left:4px solid var(--color-primary);padding:11px 13px;color:var(--color-text);background:color-mix(in srgb,var(--color-card) 92%,transparent);font-weight:800}.start-message.error{border-color:var(--color-danger);color:var(--color-danger)}.start-free{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:18px;border-top:1px solid var(--color-border);padding-block:clamp(18px,2.8vw,34px);background:color-mix(in srgb,var(--color-card) 52%,transparent)}.start-free-heading h2{margin:0;color:var(--color-text);font-size:clamp(1.35rem,2vw,1.95rem);letter-spacing:0}.free-workspace-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:10px}.free-workspace{display:grid;grid-template-columns:38px minmax(0,1fr) 20px;grid-template-areas:"icon title arrow" "icon text arrow";align-items:center;gap:2px 12px;min-height:84px;border:1px solid var(--color-border);border-radius:var(--radius-panel);padding:12px;color:var(--color-text);background:var(--color-card);text-align:left;cursor:pointer}.free-workspace>span{grid-area:icon;display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:var(--radius-panel);color:var(--color-primary-contrast);background:var(--color-danger)}.free-workspace strong{grid-area:title;font-size:.95rem}.free-workspace small{grid-area:text;color:var(--color-muted);font-size:.76rem;font-weight:750;line-height:1.35}.free-workspace>svg{grid-area:arrow;color:var(--color-primary)}}@layer features{.topbar{position:sticky;top:0;z-index:30;height:var(--app-header-height, 44px);display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 24px;border-bottom:1px solid 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.result-panel-rail,.workspace-slab .model-stage{height:100%;min-height:0}.workspace-roof-structure{height:100%;min-height:0;overflow:hidden}.workspace-roof-structure .control-panel,.workspace-roof-structure .result-panel{height:100%;min-height:0;overflow:auto}.workspace-roof-structure .control-panel-rail,.workspace-roof-structure .result-panel-rail,.workspace-roof-structure .model-stage{height:100%;min-height:0}.workspace-building{height:100%;min-height:0;overflow:hidden}.workspace-building .control-panel,.workspace-building .result-panel{height:100%;min-height:0;overflow:auto}.workspace-building .control-panel-rail,.workspace-building .result-panel-rail,.workspace-building .model-stage{height:100%;min-height:0}.workspace-altan{height:100%;min-height:0;overflow:hidden}.workspace-altan .control-panel,.workspace-altan .result-panel{height:100%;min-height:0;overflow:auto}.workspace-altan .control-panel-rail,.workspace-altan .result-panel-rail,.workspace-altan .model-stage{height:100%;min-height:0}.workspace-energy{--workspace-control-column: minmax(320px, 380px);--workspace-stage-column: minmax(460px, 1fr);--workspace-result-column: minmax(260px, 320px);height:100%;min-height:0;overflow:hidden}.workspace-with-control-footer{position:relative;height:100%;min-height:0;overflow:hidden}.workspace-with-control-footer .model-stage,.workspace-with-control-footer .control-panel-rail,.workspace-with-control-footer .result-panel,.workspace-with-control-footer .result-panel-rail{min-height:0}.control-panel,.result-panel{padding:16px;overflow:auto;background:color-mix(in srgb,var(--color-panel) 94%,transparent)}.control-panel{border-right:1px solid var(--color-border)}.result-panel{border-left:1px solid var(--color-border)}.control-panel-toolbar,.result-panel-toolbar{display:flex;min-height:34px}.control-panel-toolbar{justify-content:flex-start;margin:-4px 0 10px -4px}.result-panel-toolbar{justify-content:flex-end;margin:-4px -4px 10px 0}.workspace-control-footer-stack{display:grid;gap:6px;width:min(260px,calc(100vw - 24px));border:1px solid color-mix(in srgb,var(--color-border) 92%,transparent);border-radius:var(--radius-panel);padding:6px;background:color-mix(in srgb,var(--color-panel) 96%,transparent);box-shadow:0 12px 28px color-mix(in srgb,var(--color-text) 16%,transparent);pointer-events:auto}.workspace-control-footer{position:fixed;bottom:max(12px,env(safe-area-inset-bottom));left:calc(var(--app-rail-width, 0px) + max(12px,env(safe-area-inset-left)));z-index:24;display:flex;justify-content:flex-start;pointer-events:none}.workspace-control-footer .workspace-mode-toggle{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));width:100%}.workspace-control-footer .workspace-load-unit-toggle{width:min(128px,100%);justify-self:center}.workspace-mode-toggle{display:inline-flex;overflow:hidden;border:1px solid var(--color-border);border-radius:var(--radius-panel);background:color-mix(in srgb,var(--color-card) 90%,transparent)}.workspace-mode-toggle :is(.ui-button,.icon-button,.row-action,.toolbar-button){min-width:calc(var(--control-height) * 3.75);border:0;border-right:1px solid var(--color-border);padding:.45rem .8rem;background:transparent;color:var(--color-text);font:inherit;cursor:pointer}.workspace-control-footer .workspace-mode-toggle :is(.ui-button,.icon-button,.row-action,.toolbar-button){min-width:0;min-height:var(--control-height);padding:0 .55rem;font-size:.78rem;font-weight:900;line-height:1}.workspace-mode-toggle :is(.ui-button,.icon-button,.row-action,.toolbar-button):last-child{border-right:0}.workspace-mode-toggle :is(.ui-button,.icon-button,.row-action,.toolbar-button).active{background:var(--color-page);color:var(--color-text)}.workspace-load-unit-toggle :is(.ui-button,.icon-button,.row-action,.toolbar-button){font-size:.85rem;font-weight:900;text-transform:uppercase}.workspace-control-footer .workspace-roof-type-toggle{grid-template-columns:repeat(3,minmax(0,1fr))}.workspace-control-footer .workspace-roof-type-toggle :is(.ui-button,.icon-button,.row-action,.toolbar-button){padding:.45rem;font-size:.78rem;font-weight:900;line-height:1.1;white-space:normal}.workspace-roof-type-confirmation{display:grid;gap:8px;border:1px solid color-mix(in srgb,var(--color-danger-hover) 42%,transparent);border-radius:var(--radius-panel);padding:10px;background:var(--color-card);color:var(--color-text);box-shadow:0 12px 26px color-mix(in srgb,var(--color-stage) 14%,transparent)}.workspace-roof-type-confirmation strong{color:var(--color-text);font-size:.84rem}.workspace-roof-type-confirmation p{margin:0;font-size:.78rem;line-height:1.35}.workspace-roof-type-confirmation-actions{display:flex;justify-content:flex-end;gap:8px}.workspace-roof-type-confirmation-actions :is(.ui-button,.icon-button,.row-action,.toolbar-button){min-height:var(--control-height);border:1px solid var(--color-border);border-radius:var(--radius-panel);padding:0 .7rem;background:var(--color-card);color:var(--color-text);font:inherit;font-size:.78rem;font-weight:900;cursor:pointer}.workspace-roof-type-confirmation-actions :is(.ui-button,.icon-button,.row-action,.toolbar-button).danger{border-color:var(--color-danger-hover);background:var(--color-danger-hover);color:var(--color-primary-contrast)}.control-panel-toggle,.result-panel-toggle{color:var(--color-text);background:color-mix(in srgb,var(--color-card) 84%,transparent)}.control-panel-rail,.result-panel-rail{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;min-width:0;min-height:0;border:0;color:var(--color-text);background:color-mix(in srgb,var(--color-panel) 94%,transparent);cursor:pointer}.control-panel-rail{border-right:1px solid var(--color-border)}.result-panel-rail{border-left:1px solid var(--color-border)}.control-panel-rail:hover,.result-panel-rail:hover{background:var(--color-panel)}.control-panel-rail span,.result-panel-rail span{writing-mode:vertical-rl;transform:rotate(180deg);color:var(--color-text);font-size:.74rem;font-weight:900;letter-spacing:0;text-transform:uppercase}.panel-heading,.group-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.panel-heading{margin-bottom:18px}.collapsible-section>summary{min-width:0;list-style:none;cursor:pointer}.collapsible-section>summary::-webkit-details-marker{display:none}.collapse-title{display:inline-flex;align-items:center;gap:8px;min-width:0}.workspace-category{min-width:0}.workspace-category-actions,.workspace-category-meta{flex:0 0 auto;display:inline-flex;align-items:center;gap:6px}.workspace-category-actions{flex-wrap:wrap;justify-content:flex-end}.workspace-category-meta{color:var(--color-muted);font-size:.72rem;font-weight:850;line-height:1.2}.panel-title-row,.help-heading-row{display:inline-flex;align-items:center;gap:8px;min-width:0}.collapse-chevron{flex:0 0 auto;color:var(--color-muted);transition:transform .14s ease}.collapsible-section[open] .collapse-chevron{transform:rotate(90deg)}h2{margin:0;font-size:1rem;letter-spacing:0}.workspace-category h3,.workspace-category h4{margin:0;min-width:0;color:inherit;font-size:.95rem;letter-spacing:0}.panel-heading h2{font-size:1.35rem}:is(.ui-button,.icon-button,.row-action,.toolbar-button),:is(.ui-input,.ui-checkbox,.ui-file-input),.ui-select{font:inherit}:is(.ui-button,.icon-button,.row-action,.toolbar-button){transition:transform .12s ease,box-shadow .12s ease,border-color .12s ease,background-color .12s ease}:is(.ui-button,.icon-button,.row-action,.toolbar-button):not(:disabled):active{transform:translateY(1px);box-shadow:inset 0 1px 2px color-mix(in srgb,var(--color-text) 18%,transparent)}.icon-button,.row-action{display:inline-flex;align-items:center;justify-content:center;width:var(--control-height);height:var(--control-height);border:1px solid var(--color-border);border-radius:var(--radius-panel);color:var(--color-text);background:var(--color-card);box-shadow:0 1px color-mix(in srgb,var(--color-text) 14%,transparent);cursor:pointer}.icon-button:hover,.row-action:hover{border-color:var(--color-muted);background:var(--color-panel)}.row-action:disabled{opacity:.38;cursor:not-allowed}.field-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(132px,1fr));gap:12px}.field-grid>label:first-child,.field-grid>.field-shell:first-child,.field-grid>.number-field:first-child{grid-column:1 / -1}.unit-strip{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}.unit-toggle{display:grid;gap:6px}.unit-toggle>span{color:var(--color-text);font-size:.74rem;font-weight:900}.unit-toggle>div{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--color-border);border-radius:var(--radius-panel);overflow:hidden;background:var(--color-card)}.unit-toggle :is(.ui-button,.icon-button,.row-action,.toolbar-button){min-height:var(--control-height);border:0;border-right:1px solid var(--color-border);color:var(--color-text);background:transparent;font-weight:900;cursor:pointer}.unit-toggle :is(.ui-button,.icon-button,.row-action,.toolbar-button):last-child{border-right:0}.unit-toggle :is(.ui-button,.icon-button,.row-action,.toolbar-button).active{color:var(--color-primary-contrast);background:var(--color-stage)}.view-toggle{display:grid;grid-template-columns:max-content minmax(0,1fr);align-items:center;gap:10px;border:1px solid var(--color-border);border-radius:var(--radius-panel);padding:10px;background:var(--color-card);cursor:pointer}.view-toggle.has-help{grid-template-columns:max-content minmax(0,1fr) max-content}.view-toggle :is(.ui-input,.ui-checkbox,.ui-file-input){width:var(--control-checkbox-size);min-height:var(--control-checkbox-size);accent-color:var(--color-text)}.view-toggle span{display:grid;gap:2px}.view-toggle strong{color:var(--color-text);font-size:.88rem}.view-toggle small{color:var(--color-muted);font-size:.72rem;font-weight:750;line-height:1.25}.select-field .ui-select{width:100%;min-height:var(--control-height)}.select-field .ui-select:disabled{color:var(--color-muted)}.profile-summary-list{display:grid;gap:8px}.profile-summary-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;min-height:40px;border:1px solid var(--color-border);border-radius:var(--radius-panel);padding:10px 12px;background:var(--color-card)}.profile-summary-row span{color:var(--color-muted);font-size:.72rem;font-weight:850;text-transform:uppercase}.profile-summary-row strong{color:var(--color-text);font-size:.92rem;font-weight:900;white-space:nowrap}.profile-summary-empty{margin:0;border:1px solid var(--color-border);border-radius:var(--radius-panel);padding:10px 12px;color:var(--color-muted);background:var(--color-card);font-size:.82rem;font-weight:800}}@layer features{.help-topic-button{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border:1px solid var(--color-border);border-radius:var(--radius-round);padding:0;color:var(--color-text);background:var(--color-card);cursor:pointer}.help-topic-button:hover,.help-topic-button:focus-visible,.help-topic-button[aria-expanded=true]{border-color:var(--color-text);color:var(--color-primary-contrast);background:var(--color-stage)}.help-topic-button:focus-visible{outline:3px solid color-mix(in srgb,var(--color-warning) 28%,transparent);outline-offset:2px}.help-popover{position:fixed;z-index:1200;width:min(360px,calc(100vw - 24px));max-height:min(520px,calc(100vh - 24px));overflow:auto;border:1px solid var(--color-muted);border-radius:var(--radius-panel);padding:14px;color:var(--color-text);background:var(--color-card);box-shadow:0 18px 44px color-mix(in srgb,var(--color-text) 22%,transparent)}.help-popover-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}.help-popover-heading p{margin:0;color:var(--color-warning);font-size:.72rem;font-weight:900;letter-spacing:0;text-transform:uppercase}.help-popover-heading :is(.ui-button,.icon-button,.row-action,.toolbar-button){display:inline-flex;align-items:center;justify-content:center;width:var(--control-height-compact);height:var(--control-height-compact);border:1px solid var(--color-border);border-radius:var(--radius-panel);color:var(--color-text);background:var(--color-panel);cursor:pointer}.help-popover-heading :is(.ui-button,.icon-button,.row-action,.toolbar-button):hover,.help-popover-heading :is(.ui-button,.icon-button,.row-action,.toolbar-button):focus-visible{border-color:var(--color-text);background:var(--color-panel)}.help-popover h2{margin:0 0 10px;color:var(--color-text);font-size:1.05rem;line-height:1.2}.help-popover-body{display:grid;gap:8px}.help-popover-body p,.help-popover-source p{margin:0;color:var(--color-text);font-size:.84rem;font-weight:700;line-height:1.45}.help-popover-units{display:grid;gap:7px;margin:12px 0 0}.help-popover-units div{display:grid;grid-template-columns:minmax(82px,max-content) minmax(0,1fr);gap:10px;align-items:baseline;border:1px solid var(--color-border);border-radius:var(--radius-panel);padding:8px 10px;background:var(--color-panel)}.help-popover-units dt{color:var(--color-muted);font-size:.72rem;font-weight:900}.help-popover-units dd{margin:0;color:var(--color-text);font-size:.82rem;font-weight:900}.help-popover-examples{display:grid;gap:7px;margin:12px 0 0;padding-left:18px}.help-popover-examples li{color:var(--color-text);font-size:.82rem;font-weight:750;line-height:1.35}.help-popover-source{display:grid;gap:4px;margin-top:12px;border-top:1px solid var(--color-border);padding-top:10px;color:var(--color-muted);font-size:.72rem;font-weight:850;line-height:1.35}.help-popover-source a{color:var(--color-text);font-weight:900}@media(max-width:520px){.help-popover{right:12px;left:12px!important;width:auto}.help-popover-units div{grid-template-columns:1fr;gap:3px}}}@layer features{.legal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1200;display:flex;justify-content:flex-end;background:var(--color-scrim)}.legal-dialog{display:grid;grid-template-rows:auto auto minmax(0,1fr) auto;width:min(720px,calc(100vw - 24px));height:calc(100vh - 24px);margin:12px;overflow:hidden;border:1px solid var(--color-border);border-radius:var(--radius-panel);color:var(--color-text);background:var(--color-panel);box-shadow:var(--shadow-elevated)}.legal-dialog-header,.legal-dialog-footer{display:flex;align-items:center;justify-content:space-between;gap:14px;border-bottom:1px solid var(--color-border);padding:16px 18px;background:var(--color-card-muted)}.legal-dialog-title{display:flex;align-items:center;min-width:0;gap:12px}.legal-dialog-title svg{flex:0 0 auto;color:var(--color-primary)}.legal-dialog-title span,.legal-dialog-footer span{display:block;color:var(--color-muted);font-size:.72rem;font-weight:900;letter-spacing:0;text-transform:uppercase}.legal-dialog-title h2{margin:2px 0 0;color:var(--color-text);font-size:1.2rem;line-height:1.15}.legal-close,.legal-dialog-footer .ui-button,.legal-tabs .ui-segmented-option{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--color-border);border-radius:var(--radius-panel);color:var(--color-primary);background:var(--color-card);font-weight:900;cursor:pointer}.legal-close{flex:0 0 auto;width:var(--control-height);height:var(--control-height)}.legal-tabs{display:flex;gap:8px;overflow-x:auto;border-bottom:1px solid var(--color-border);padding:10px 12px;background:var(--color-card)}.legal-tabs .ui-segmented-option{flex:0 0 auto;min-height:var(--control-height);padding:7px 10px;font-size:.78rem;white-space:nowrap}.legal-tabs .ui-segmented-option.active{border-color:var(--color-primary);color:var(--color-primary-contrast);background:var(--color-primary)}.legal-body{overflow:auto;padding:20px 22px 28px}.legal-summary{margin:0 0 18px;border-left:4px solid var(--color-danger);padding:10px 12px;color:var(--color-text);background:var(--color-card-muted);font-weight:800;line-height:1.45}.legal-section{padding:16px 0;border-top:1px solid var(--color-border)}.legal-section:first-of-type{border-top:0;padding-top:0}.legal-section h3{margin:0 0 8px;color:var(--color-text);font-size:1rem}.legal-section p{margin:0 0 10px;color:var(--color-text);font-size:.95rem;font-weight:650;line-height:1.55}.legal-dialog-footer{border-top:1px solid var(--color-border);border-bottom:0}.legal-dialog-footer .ui-button{flex:0 0 auto;min-height:var(--control-height);padding:8px 11px}}@layer features{.beam-control-panel{display:grid;align-content:start;gap:18px}.beam-panel-tools{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:10px}.beam-definition-grid{margin-top:0}.beam-support-row{grid-template-columns:minmax(112px,.75fr) minmax(150px,1fr) max-content}.beam-load-card{display:grid;gap:9px;border:1px solid var(--color-border);border-radius:var(--radius-panel);padding:10px;background:var(--color-card)}.beam-load-heading{display:flex;align-items:center;justify-content:space-between;gap:10px}.beam-load-heading strong{color:var(--color-text);font-size:.9rem}.beam-load-row{grid-template-columns:repeat(auto-fit,minmax(116px,1fr))}.beam-context-popup{width:min(470px,calc(100vw - 24px));max-height:calc(100vh - 24px);overflow:auto}.beam-context-popup .support-control-block{border:0;padding:0;background:transparent}.beam-context-field-stack,.beam-context-actions{display:grid;gap:10px}.beam-context-actions{grid-template-columns:repeat(auto-fit,minmax(118px,1fr))}.beam-context-actions :is(.ui-button,.icon-button,.row-action,.toolbar-button){display:inline-flex;align-items:center;justify-content:center;gap:6px;min-width:0;min-height:var(--control-height);border:1px solid var(--color-border);border-radius:var(--radius-panel);padding:7px 9px;background:var(--color-card-muted);color:var(--color-text);font-size:.76rem;font-weight:900}.beam-context-remove{justify-self:end;border-color:var(--color-border);background:var(--color-card);color:var(--color-danger-hover)}}@layer features{.technical-canvas{--technical-accent: var(--document-rust);--technical-accent-dark: var(--document-timber);--technical-canvas: var(--document-ink);--technical-canvas-line: color-mix(in srgb, var(--document-paper) 5.5%, transparent);--technical-grid-dot: var(--document-muted);--technical-grid-major: var(--document-steel);--technical-ink: var(--document-ink);--technical-muted: var(--document-muted);--technical-panel: var(--document-paper);--technical-paper: var(--document-paper);--technical-rule: var(--document-rule);--technical-teal: var(--document-teal)}.technical-canvas-mat{background:linear-gradient(90deg,var(--technical-canvas-line) 1px,transparent 1px),linear-gradient(var(--technical-canvas-line) 1px,transparent 1px),var(--technical-canvas);background-size:24px 24px}.technical-grid-major-line{stroke:var(--technical-grid-major);stroke-opacity:.34}.technical-grid-dot{fill:var(--technical-grid-dot);fill-opacity:.52}.technical-grid-surface,.technical-hit-stroke{pointer-events:none}.technical-hit-stroke.is-interactive{cursor:pointer;pointer-events:stroke}.technical-linework{fill:none;stroke:var(--technical-ink);stroke-linecap:square;stroke-linejoin:miter}.technical-point-handle{fill:var(--technical-paper);stroke:var(--technical-accent-dark);stroke-linejoin:miter}.technical-snap-marker{fill:color-mix(in srgb,var(--technical-paper) 86%,transparent);pointer-events:none;stroke:var(--technical-teal)}}@layer features{.building-control-panel .panel-heading p{max-width:32ch}.building-control-section{gap:0}.building-header-actions{display:flex;flex-wrap:wrap;gap:6px;justify-content:flex-end}.building-blueprint-print-button{border-color:color-mix(in srgb,var(--document-green) 30%,transparent);background:var(--document-paper);color:var(--document-ink)}.building-control-section>summary{display:flex;align-items:center;justify-content:space-between;gap:8px;cursor:pointer;list-style:none}.building-control-section>summary::-webkit-details-marker{display:none}.building-control-section-title,.building-control-section-actions,.building-control-section .workspace-category-actions{display:inline-flex;align-items:center;gap:8px}.building-control-section-title h3{margin:0}.building-control-section-title svg{transition:transform .14s ease}.building-control-section[open] .building-control-section-title .collapse-chevron{transform:rotate(90deg)}.building-control-section-actions,.building-control-section .workspace-category-actions{flex-wrap:wrap;justify-content:flex-end}.building-control-section-body{margin-top:10px}.building-panel-row{display:flex;align-items:center;justify-content:space-between;gap:10px}.building-entity-list{display:grid;gap:6px;margin:10px 0}.building-entity-list :is(.ui-button,.icon-button,.row-action,.toolbar-button){display:grid;grid-template-columns:minmax(0,1fr);gap:2px;border:1px solid color-mix(in srgb,var(--color-stage) 20%,transparent);border-radius:var(--radius-panel);padding:9px 10px;background:var(--color-card);color:var(--color-text);text-align:left}.building-entity-list :is(.ui-button,.icon-button,.row-action,.toolbar-button).active{border-color:var(--color-success);background:var(--color-panel)}.building-entity-list span{overflow:hidden;font-weight:850;text-overflow:ellipsis;white-space:nowrap}.building-entity-list small{color:var(--color-muted);font-weight:750}.building-editor-box{border:1px solid color-mix(in srgb,var(--color-stage) 18%,transparent);border-radius:var(--radius-panel);padding:10px;background:var(--color-panel)}.building-pillar-restraints{grid-column:1 / -1;min-width:0;margin:0;border:1px solid color-mix(in srgb,var(--color-stage) 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small{color:var(--color-border);font-size:.56rem}.structure-lab-viewport-shell{min-height:0;overflow:hidden;position:relative}.structure-lab-viewport{height:100%;top:0;right:0;bottom:0;left:0;min-height:420px;outline:none;position:absolute;width:100%}.structure-lab-viewport:focus-visible{box-shadow:inset 0 0 0 3px var(--color-border)}.structure-lab-empty-prompt,.structure-lab-canvas-notice{align-items:center;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:color-mix(in srgb,var(--document-ink) 86%,transparent);border:1px solid color-mix(in srgb,var(--document-rule) 22%,transparent);border-radius:var(--radius-panel);color:var(--document-paper);display:flex;font-size:.67rem;gap:8px;left:50%;padding:9px 12px;pointer-events:none;position:absolute;top:16px;transform:translate(-50%);z-index:3}.structure-lab-empty-prompt svg{color:var(--structure-amber)}.structure-lab-canvas-notice{border-color:color-mix(in srgb,var(--document-amber) 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7px}.structure-lab-section-title-row>span.is-warning{background:var(--structure-amber-soft);color:var(--color-danger-hover)}.structure-lab-field-grid{display:grid;gap:7px;grid-template-columns:repeat(3,minmax(0,1fr))}.structure-lab-field-grid.is-two-columns{grid-template-columns:repeat(2,minmax(0,1fr))}.structure-lab-panel .field-shell label,.structure-lab-panel .field-label{color:var(--color-muted);font-size:.64rem;font-weight:850}.structure-lab-panel .number-input-frame :is(.ui-input,.ui-checkbox,.ui-file-input),.structure-lab-panel .field-shell .ui-select{background:var(--color-card);border-color:var(--color-border);min-width:0}.structure-lab-panel .number-field .number-input-frame{grid-template-columns:minmax(28px,1fr) max-content;min-width:0;width:100%}.structure-lab-panel .number-field{min-width:0}.structure-lab-panel .number-input-frame 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span,.structure-lab-station-row span{color:var(--color-muted);display:block;font-size:.59rem;margin-top:2px}.structure-lab-station-row :is(.ui-button,.icon-button,.row-action,.toolbar-button),.structure-lab-endpoint-row>:is(.ui-button,.icon-button,.row-action,.toolbar-button){align-items:center;background:transparent;border:1px solid var(--color-border);border-radius:var(--radius-panel);color:var(--color-muted);cursor:pointer;display:inline-flex;height:var(--control-height-compact);justify-content:center;width:var(--control-height)}.structure-lab-station-row :is(.ui-button,.icon-button,.row-action,.toolbar-button):hover,.structure-lab-endpoint-row>:is(.ui-button,.icon-button,.row-action,.toolbar-button):hover{border-color:var(--color-danger);color:var(--color-danger-hover)}.structure-lab-endpoint-row{align-items:end;display:grid;gap:6px;grid-template-columns:minmax(0,1fr) auto}.structure-lab-axis-controls{display:grid;gap:4px}.structure-lab-axis-row{display:grid;gap:4px;grid-template-columns:27px 1fr 1fr}.structure-lab-axis-row strong{align-items:center;border-radius:var(--radius-panel);color:var(--color-primary-contrast);display:flex;font-family:ui-monospace,monospace;font-size:.65rem;justify-content:center}.structure-lab-axis-row.axis-x strong{background:var(--color-danger)}.structure-lab-axis-row.axis-y strong{background:var(--color-muted)}.structure-lab-axis-row.axis-z strong{background:var(--color-info)}.structure-lab-axis-row :is(.ui-button,.icon-button,.row-action,.toolbar-button){background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-panel);color:var(--color-text);cursor:pointer;font-size:.68rem;font-weight:900;min-height:var(--control-height-compact)}.structure-lab-axis-row :is(.ui-button,.icon-button,.row-action,.toolbar-button):hover{border-color:var(--structure-amber)}.structure-lab-vertical-button{background:var(--color-primary);border-color:var(--color-primary);color:var(--color-primary-contrast);font-size:.7rem;font-weight:900;width:100%}.structure-lab-boundary-note{align-items:flex-start;background:var(--color-card-muted);border-radius:var(--radius-panel);color:var(--color-muted);display:flex;font-size:.65rem;gap:7px;line-height:1.4;margin:8px 0 13px;padding:8px}.structure-lab-boundary-note>span{background:var(--structure-amber);border-radius:var(--radius-round);flex:0 0 auto;height:6px;margin-top:4px;width:6px}.structure-lab-restraint-grid{display:grid;gap:6px;grid-template-columns:repeat(3,minmax(0,1fr))}.structure-lab-restraint-grid .checkbox-field{background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-panel);font-family:ui-monospace,monospace;font-size:.64rem;padding:6px}.structure-lab-analysis-panel{background:color-mix(in srgb,var(--color-panel) 97%,transparent);border:1px solid var(--color-border);border-radius:var(--radius-panel);bottom:14px;box-shadow:0 14px 36px color-mix(in srgb,var(--color-text) 32%,transparent);color:var(--structure-ink);display:grid;gap:9px;max-height:min(62vh,560px);overflow:auto;padding:12px;position:absolute;right:14px;width:min(330px,calc(100% - 28px));z-index:3}.structure-lab-analysis-panel.is-collapsed{max-height:none;overflow:visible;padding-block:8px}.structure-lab-analysis-body{display:grid;gap:9px}.structure-lab-analysis-body[hidden]{display:none}.structure-lab-analysis-view-controls{background:var(--color-panel);border:1px solid var(--color-border);border-left:3px solid var(--structure-teal);border-radius:var(--radius-panel);padding:7px}.structure-lab-analysis-panel>header{align-items:center;border-bottom:1px solid var(--color-border);display:flex;justify-content:space-between;padding-bottom:8px}.structure-lab-analysis-panel>header span{align-items:center;color:var(--structure-teal);display:flex;font-size:.57rem;font-weight:900;gap:4px;letter-spacing:.1em;text-transform:uppercase}.structure-lab-analysis-panel h2{font-family:Bahnschrift Condensed,Arial Narrow,sans-serif;font-size:1rem;margin:2px 0 0;text-transform:uppercase}.structure-lab-analysis-panel>header :is(.ui-button,.icon-button,.row-action,.toolbar-button){background:var(--color-primary);border-color:var(--color-primary);color:var(--color-primary-contrast);font-size:.64rem;font-weight:900}.structure-lab-analysis-panel>header .structure-lab-analysis-toggle{align-items:center;background:transparent;border:0;color:var(--structure-ink);cursor:pointer;display:grid;grid-template-columns:1fr 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structure-lab-spin{to{transform:rotate(360deg)}}.structure-lab-context-window{width:min(340px,calc(100vw - 24px))}.structure-lab-context-window .context-window-body{display:grid;gap:9px}.structure-lab-context-grid{display:grid;gap:6px;grid-template-columns:repeat(3,minmax(0,1fr))}.structure-lab-context-grid>.field-shell:first-child{grid-column:1 / -1}.structure-lab-context-grid :is(.ui-input,.ui-checkbox,.ui-file-input){min-width:0}.structure-lab-context-actions,.structure-lab-overhang-actions,.structure-lab-pair-actions{display:grid;gap:5px}.structure-lab-context-joint{border-block:1px solid var(--color-border);display:grid;gap:6px;grid-template-columns:1fr 1fr;padding-block:8px}.structure-lab-overhang-actions{grid-template-columns:repeat(2,minmax(0,1fr))}.structure-lab-context-window .context-window-action{justify-content:flex-start}.structure-lab-remove-button{background:transparent;border:1px solid var(--color-border);color:var(--color-danger-hover);font-size:.69rem;font-weight:850;width:100%}.structure-lab-remove-button:disabled{border-color:var(--color-border);color:var(--color-muted);cursor:not-allowed}.structure-lab-inspector-empty{align-content:center;color:var(--color-muted);display:grid;gap:9px;justify-items:center;text-align:center}.structure-lab-inspector-empty svg{color:var(--structure-amber)}.structure-lab-inspector-empty h2{font-size:1.08rem}.structure-lab-inspector-empty p{font-size:.7rem;line-height:1.45;max-width:220px}.structure-lab-status{align-items:center;background:var(--color-stage);border-top:1px solid var(--color-stage);color:var(--color-border);display:flex;font-size:.64rem;gap:9px;letter-spacing:.025em;min-height:34px;padding:0 18px}.structure-lab-status-light{background:var(--color-warning);border-radius:var(--radius-round);box-shadow:0 0 0 3px color-mix(in srgb,var(--color-warning) 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var(--structure-teal);color:var(--color-text)}.structure-lab-entity-list.is-member .structure-lab-entity-list-items>:is(.ui-button,.icon-button,.row-action,.toolbar-button).is-selected{border-color:var(--structure-amber);box-shadow:inset 3px 0 0 var(--structure-amber)}.structure-lab-entity-list-items span{align-self:stretch;color:var(--structure-teal);font-family:ui-monospace,Cascadia Mono,monospace;font-size:.58rem;font-weight:900;letter-spacing:.04em;padding-right:6px}.structure-lab-entity-list.is-member .structure-lab-entity-list-items span{color:var(--color-warning)}.structure-lab-entity-list-items strong{font-size:.67rem;line-height:1.1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.structure-lab-entity-add{background:transparent;border:1px dashed var(--color-border);color:var(--color-primary-hover);font-size:.65rem;font-weight:850;min-height:30px;width:100%}.structure-lab-entity-add:hover{background:color-mix(in srgb,var(--color-primary-contrast) 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clamp(18px,5vw,72px);text-align:center;background:var(--document-paper)}.start-demo-preview-copy{display:flex;flex-direction:column;align-items:center;gap:12px;min-width:0;max-width:980px}.start-demo-preview-text{max-width:920px;margin:0;color:var(--document-green);font-size:clamp(1rem,1.6vw,1.18rem);font-weight:650;line-height:1.55}.demo-inline-frame-wrap{width:min(1120px,100%);overflow:hidden;border:1px solid color-mix(in srgb,var(--color-text) 18%,transparent);border-radius:var(--radius-panel);background:var(--color-panel);box-shadow:0 18px 38px color-mix(in srgb,var(--color-text) 12%,transparent)}.demo-inline-frame{display:block;width:100%;height:clamp(520px,68svh,760px);border:0;background:var(--color-panel)}.demo-toolbar--centered{justify-content:center}@media(max-width:820px){.demo-shell{padding:10px}.demo-header,.demo-workbench{grid-template-columns:1fr}.demo-header{align-items:stretch;flex-direction:column}.demo-workbench>.demo-viewer-frame{min-height:68svh}.start-demo-preview{padding:24px 16px}.demo-inline-frame{height:560px}}@media(max-width:560px){.demo-header-actions,.demo-toolbar{align-items:stretch;flex-direction:column}.demo-command,.demo-status{width:100%}.demo-inline-frame{height:500px}}}@layer features{.three-measurement-layer{position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden;pointer-events:none;z-index:6}.three-measurement-lines,.three-measurement-labels{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;pointer-events:none}.three-measurement-line{stroke:color-mix(in srgb,var(--document-ink) 62%,transparent);stroke-width:1.4;stroke-linecap:round;vector-effect:non-scaling-stroke}.three-measurement-line[data-tone=primary]{stroke:color-mix(in srgb,var(--document-green) 86%,transparent);stroke-width:1.8}.three-measurement-label{position:absolute;top:0;left:0;max-width:128px;border:1px solid color-mix(in srgb,var(--document-ink) 20%,transparent);border-radius:var(--radius-panel);padding:3px 7px;color:var(--document-ink);background:color-mix(in srgb,var(--document-paper) 90%,transparent);box-shadow:0 8px 20px color-mix(in srgb,var(--document-ink) 14%,transparent);font-size:.68rem;font-weight:850;line-height:1.15;text-align:center;white-space:nowrap;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.three-measurement-label[data-tone=primary]{color:var(--document-paper);border-color:color-mix(in srgb,var(--document-ink) 20%,transparent);background:color-mix(in srgb,var(--document-green) 90%,transparent)}.three-measurement-label[data-tone=secondary]{color:var(--document-green);background:color-mix(in srgb,var(--document-white) 78%,transparent)}}@layer features{.building-floor-system{cursor:pointer;fill:color-mix(in srgb,var(--document-steel) 28%,transparent);stroke:var(--document-steel);stroke-dasharray:7 5;stroke-width:2}.building-deck-system{cursor:pointer;fill:color-mix(in srgb,var(--document-teal) 24%,transparent);stroke:var(--document-green);stroke-dasharray:5 4;stroke-width:2}.building-floor-system.selected,.building-deck-system.selected,.building-slab.selected{stroke:var(--document-green);stroke-width:3}.building-wall-placement-preview{pointer-events:none;stroke:var(--document-amber);stroke-dasharray:9 5;stroke-linecap:square;stroke-width:15}.building-feature-dialog-empty{display:grid;gap:12px}.building-feature-dialog-empty p{margin:0;color:var(--document-timber);font-size:.9rem;font-weight:800}.building-feature-dialog-empty footer{display:flex;justify-content:flex-end}}@layer features{.building-plan-editor{--technical-grid-dot: var(--color-muted);--technical-grid-major: var(--color-muted);position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden}.building-plan-editor .building-plan-svg{top:74px;right:18px;bottom:38px;left:18px;width:calc(100% - 36px);height:calc(100% - 112px);border:1px solid color-mix(in srgb,var(--document-ink) 48%,transparent);background:var(--technical-paper);box-shadow:0 18px 50px color-mix(in srgb,var(--document-black) 38%,transparent);touch-action:none}.building-plan-editor.is-tool-wall-line .building-plan-svg,.building-plan-editor.is-tool-wall-rectangle .building-plan-svg{cursor:crosshair}.building-plan-editor.is-panning .building-plan-svg{cursor:grabbing}.building-plan-grid{color:var(--technical-grid-major)}.building-plan-editor .building-ground-surface{cursor:default;fill:color-mix(in srgb,var(--color-muted) 3.5%,transparent);stroke:color-mix(in srgb,var(--color-primary-hover) 42%,transparent);stroke-dasharray:5 4;stroke-width:.8}.building-plan-editor .building-ground-surface.selected{fill:color-mix(in srgb,var(--color-primary) 5.5%,transparent);stroke:var(--technical-teal)}.building-plan-editor .building-ground-control-point{fill:var(--technical-paper);stroke:var(--technical-teal);stroke-width:1.2}.building-plan-editor .building-slab,.building-plan-editor .building-floor-system,.building-plan-editor .building-deck-system{cursor:pointer;fill:color-mix(in srgb,var(--color-muted) 6.5%,transparent);stroke:color-mix(in srgb,var(--color-stage) 52%,transparent);stroke-linejoin:miter;stroke-width:.9}.building-plan-editor .building-floor-system{fill:color-mix(in srgb,var(--color-muted) 4.5%,transparent);stroke-dasharray:4 3}.building-plan-editor .building-deck-system{fill:color-mix(in srgb,var(--color-primary) 5%,transparent);stroke:color-mix(in srgb,var(--color-primary) 58%,transparent);stroke-dasharray:3 2}.building-plan-editor .building-slab.selected,.building-plan-editor .building-floor-system.selected,.building-plan-editor .building-deck-system.selected{fill:color-mix(in srgb,var(--color-danger) 6%,transparent);stroke:var(--technical-accent);stroke-width:1.4}.building-wall-linework{stroke:var(--color-text);stroke-width:1.08}.building-plan-wall.is-exterior .building-wall-linework{stroke-width:1.28}.building-plan-wall.is-non-bearing .building-wall-linework{stroke:var(--color-stage)}.building-wall-hit,.building-opening-hit{fill:none;stroke:transparent;stroke-linecap:butt}.building-wall-hit{stroke-width:15}.building-opening-hit{stroke-width:13}.building-plan-wall:hover .building-wall-linework{stroke:var(--technical-teal)}.building-plan-wall.selected .building-wall-linework{filter:drop-shadow(0 0 1px color-mix(in srgb,var(--color-danger) 34%,transparent));stroke:var(--technical-accent-dark);stroke-width:1.65}.building-opening-jamb{pointer-events:none;stroke:var(--color-text);stroke-linecap:square;stroke-width:1.08}.building-plan-opening.selected .building-opening-jamb{stroke:var(--technical-accent);stroke-width:1.8}.building-plan-editor .building-foundation-line{stroke:var(--color-muted);stroke-dasharray:5 2;stroke-linecap:square;stroke-width:1.8}.building-plan-editor .building-foundation-marker{fill:var(--technical-paper);stroke:var(--color-muted);stroke-width:1.2}.building-plan-editor .building-foundation-line.selected,.building-plan-editor .building-foundation-marker.selected{fill:var(--technical-paper);stroke:var(--technical-accent)}.building-plan-editor .building-pillar-axis{stroke:var(--color-danger-hover);stroke-dasharray:4 2;stroke-width:1}.building-plan-editor .building-pillar-marker,.building-plan-editor .building-pillar-top-marker{fill:var(--technical-paper);stroke:var(--color-stage);stroke-width:1.25}.building-plan-editor .building-pillar-marker.selected{fill:color-mix(in srgb,var(--color-danger) 10%,transparent);stroke:var(--technical-accent);stroke-width:1.7}.building-plan-editor .building-dimension-label{fill:var(--technical-ink);font:800 11px/1 ui-monospace,SFMono-Regular,Consolas,monospace;paint-order:stroke;stroke:var(--technical-paper);stroke-width:3px}.building-wall-placement-preview,.building-plan-wall-draw-preview{fill:none;pointer-events:none;stroke:var(--technical-accent);stroke-dasharray:6 3;stroke-linecap:square;stroke-linejoin:miter;stroke-width:1.35}.building-plan-snap-marker rect{fill:color-mix(in srgb,var(--color-card) 88%,transparent);stroke-width:1.15}.building-plan-snap-marker path{fill:none;stroke:var(--technical-teal);stroke-width:.8}.building-plan-snap-marker.is-grid rect{stroke-dasharray:2 1}.building-plan-live-measure rect{fill:color-mix(in srgb,var(--color-text) 93%,transparent);stroke:color-mix(in srgb,var(--color-primary-contrast) 20%,transparent);stroke-width:.7}.building-plan-live-measure text{fill:var(--color-card);font:750 10px/1 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.02em}.building-plan-editor .building-feature-wall-preview{stroke:var(--technical-accent);stroke-dasharray:6 3;stroke-linecap:square;stroke-width:1.4}.building-plan-editor .building-feature-opening-preview{stroke:transparent;stroke-width:13}.building-plan-editor .building-feature-dock-target{fill:color-mix(in srgb,var(--color-primary) 10%,transparent);stroke:var(--technical-teal);stroke-width:1.2}.building-plan-editor .building-feature-handle{cursor:grab;outline:none}.building-plan-editor .building-feature-handle-hit{fill:transparent;pointer-events:all;stroke:none}.building-plan-editor .building-feature-handle-mark{pointer-events:none;stroke-width:1.1}.building-plan-editor .building-feature-handle:hover .building-feature-handle-mark,.building-plan-editor .building-feature-handle:focus-visible .building-feature-handle-mark{fill:var(--color-card);stroke:var(--technical-accent);stroke-width:1.5}@media(max-width:860px){.building-plan-editor .building-plan-svg{top:74px;right:8px;bottom:38px;left:8px;width:calc(100% - 16px)}}}@layer features{.building-plan-editor.has-level-rail .building-plan-svg{left:112px;width:calc(100% - 130px)}.building-plan-level-rail{position:absolute;top:74px;bottom:38px;left:18px;z-index:3;display:flex;width:82px;min-height:0;flex-direction:column;border:1px solid color-mix(in srgb,var(--color-text) 42%,transparent);color:var(--technical-ink);background:color-mix(in srgb,var(--color-panel) 97%,transparent);box-shadow:0 12px 30px color-mix(in srgb,var(--color-text) 25%,transparent)}.building-plan-level-rail header{display:flex;min-height:34px;align-items:center;gap:6px;border-bottom:1px solid var(--technical-rule);padding:7px 8px;color:var(--technical-muted);font:850 .55rem/1 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.06em;text-transform:uppercase}.building-plan-level-list{display:grid;min-height:0;align-content:start;gap:4px;overflow-y:auto;padding:6px}.building-plan-level-list :is(.ui-button,.icon-button,.row-action,.toolbar-button){display:grid;min-height:var(--control-hit-target);grid-template-columns:22px minmax(0,1fr);align-items:center;gap:5px;border:1px solid transparent;border-radius:var(--radius-tight);padding:4px;color:var(--color-text);background:transparent;cursor:pointer;text-align:left}.building-plan-level-list :is(.ui-button,.icon-button,.row-action,.toolbar-button):hover{border-color:var(--color-border);background:var(--color-card)}.building-plan-level-list :is(.ui-button,.icon-button,.row-action,.toolbar-button).active{border-color:var(--color-muted);color:var(--color-primary-hover);background:var(--color-page)}.building-plan-level-list strong{display:grid;width:22px;height:22px;place-items:center;border:1px solid currentColor;font:850 .62rem/1 ui-monospace,SFMono-Regular,Consolas,monospace}.building-plan-level-list span{overflow:hidden;font:750 .57rem/1.15 Arial Narrow,Roboto Condensed,sans-serif;text-overflow:ellipsis}.building-plan-level-rail footer{display:grid;gap:4px;margin-top:auto;border-top:1px solid var(--technical-rule);padding:6px}.building-plan-level-rail footer :is(.ui-button,.icon-button,.row-action,.toolbar-button){min-height:var(--control-height-compact);border:1px solid var(--color-border);border-radius:var(--radius-tight);padding:4px;color:var(--color-text);background:var(--color-card);cursor:pointer;font:750 .52rem/1.1 Arial Narrow,Roboto Condensed,sans-serif}.building-plan-level-rail footer :is(.ui-button,.icon-button,.row-action,.toolbar-button).active{border-color:var(--technical-teal);color:var(--color-primary-hover);background:var(--color-page)}.building-plan-level-rail footer :is(.ui-button,.icon-button,.row-action,.toolbar-button):disabled{cursor:not-allowed;opacity:.38}.building-plan-editor.has-level-rail .building-plan-status{left:112px}@media(max-width:860px){.building-plan-editor.has-level-rail .building-plan-svg{top:144px;left:8px;width:calc(100% - 16px);height:calc(100% - 182px)}.building-plan-level-rail{top:74px;right:8px;bottom:auto;left:8px;width:auto;height:62px;flex-direction:row}.building-plan-level-rail header{display:none}.building-plan-level-list{flex:1;grid-auto-columns:minmax(76px,110px);grid-auto-flow:column;overflow-x:auto;overflow-y:hidden}.building-plan-level-list :is(.ui-button,.icon-button,.row-action,.toolbar-button){min-height:var(--control-hit-target)}.building-plan-level-rail footer{grid-auto-columns:76px;grid-auto-flow:column;margin-top:0;border-top:0;border-left:1px solid var(--technical-rule)}.building-plan-editor.has-level-rail .building-plan-status{left:8px}}}@layer features{.building-plan-status{position:absolute;right:18px;bottom:10px;left:18px;z-index:2;display:flex;min-height:25px;align-items:center;gap:8px;color:var(--color-stage-text);font:750 .68rem/1 ui-monospace,SFMono-Regular,Consolas,monospace}.building-plan-status-dot{width:7px;height:7px;border:1px solid color-mix(in srgb,var(--color-primary-contrast) 35%,transparent);background:var(--technical-teal)}.building-plan-status.has-issue .building-plan-status-dot{background:var(--technical-accent)}.building-plan-status-spacer{flex:1}.building-plan-status :is(.ui-button,.icon-button,.row-action,.toolbar-button){display:inline-flex;min-height:var(--control-height-compact);align-items:center;gap:5px;border:1px solid color-mix(in srgb,var(--color-card-muted) 30%,transparent);border-radius:var(--radius-tight);padding:3px 7px;color:var(--color-stage-text);background:color-mix(in srgb,var(--color-stage) 32%,transparent);cursor:pointer;font:inherit}.building-stage-toolbar.is-plan{top:10px;right:18px;left:18px;max-width:none;min-height:54px;align-items:stretch;gap:0;overflow-x:auto;overflow-y:hidden;border:1px solid color-mix(in srgb,var(--color-text) 42%,transparent);border-radius:var(--radius-tight);background:color-mix(in srgb,var(--color-panel) 97%,transparent);box-shadow:0 12px 28px color-mix(in srgb,var(--color-text) 24%,transparent)}.building-stage-toolbar.is-plan .building-mode-toggle,.building-stage-toolbar.is-plan .building-view-toggle,.building-stage-toolbar.is-plan .building-snap-toggle-shell,.building-stage-toolbar.is-plan .building-level-visibility{min-height:52px;border:0;border-right:1px solid var(--technical-rule);border-radius:var(--radius-none);background:transparent;box-shadow:none}.building-stage-toolbar.is-plan .building-mode-toggle,.building-stage-toolbar.is-plan .building-view-toggle{padding:7px}.building-stage-toolbar.is-plan .building-mode-toggle :is(.ui-button,.icon-button,.row-action,.toolbar-button),.building-stage-toolbar.is-plan .building-view-toggle :is(.ui-button,.icon-button,.row-action,.toolbar-button),.building-plan-tool-buttons :is(.ui-button,.icon-button,.row-action,.toolbar-button){border-radius:var(--radius-tight);font-family:Arial Narrow,Roboto Condensed,sans-serif;letter-spacing:.025em;text-transform:uppercase}.building-stage-toolbar.is-plan .building-mode-toggle :is(.ui-button,.icon-button,.row-action,.toolbar-button).active,.building-stage-toolbar.is-plan .building-view-toggle :is(.ui-button,.icon-button,.row-action,.toolbar-button).active{background:var(--technical-ink)}.building-plan-tool-controls{display:flex;align-items:stretch;border-right:1px solid var(--technical-rule)}.building-plan-tool-buttons{display:flex;align-items:stretch;gap:2px;padding:7px}.building-plan-tool-buttons :is(.ui-button,.icon-button,.row-action,.toolbar-button){display:inline-flex;min-width:calc(var(--control-height) * 1.938);align-items:center;justify-content:center;gap:5px;border:1px solid transparent;padding:0 8px;color:var(--color-text);background:transparent;cursor:pointer;font-size:.67rem;font-weight:850}.building-plan-tool-buttons :is(.ui-button,.icon-button,.row-action,.toolbar-button):hover{border-color:var(--color-border);background:var(--color-card)}.building-plan-tool-buttons :is(.ui-button,.icon-button,.row-action,.toolbar-button).active{border-color:var(--technical-accent-dark);color:var(--color-primary-contrast);background:var(--technical-accent-dark)}.building-plan-tool-settings{display:flex;align-items:stretch;border-left:1px solid var(--technical-rule)}.building-plan-wall-type-field,.building-plan-tool-settings .number-field{display:grid;min-width:142px;align-content:center;gap:3px;padding:5px 8px}.building-plan-wall-type-field>span,.building-plan-tool-settings .field-label{color:var(--technical-muted);font:850 .56rem/1 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.07em;text-transform:uppercase}.building-plan-wall-type-field .ui-select,.building-plan-tool-settings :is(.ui-input,.ui-checkbox,.ui-file-input){height:var(--control-checkbox-size);border:1px solid var(--color-border);border-radius:var(--radius-tight);color:var(--technical-ink);background:var(--color-card);font:750 .68rem/1 ui-monospace,SFMono-Regular,Consolas,monospace}.building-plan-tool-settings .number-field{min-width:92px;border-left:1px solid var(--technical-rule)}.building-stage-toolbar.is-plan>.number-field{min-width:82px;padding:5px 8px;border-right:1px solid var(--technical-rule)}@media(max-width:1180px){.building-plan-tool-buttons :is(.ui-button,.icon-button,.row-action,.toolbar-button){min-width:var(--control-hit-target)}.building-plan-tool-buttons :is(.ui-button,.icon-button,.row-action,.toolbar-button) span{display:none}.building-plan-wall-type-field{min-width:118px;max-width:160px}}@media(max-width:860px){.building-stage-toolbar.is-plan,.building-plan-status{right:8px;left:8px}}}@layer features{.connection-editor{border-top-color:var(--color-border)}.connection-badge{min-width:34px;border:1px solid var(--color-border);border-radius:var(--radius-panel);padding:5px 8px;color:var(--color-text);background:var(--color-card);font-size:.72rem;font-weight:900;text-align:center}.linked-source-note{display:grid;gap:3px;margin-top:8px;padding:8px;border:1px solid var(--color-border);border-radius:var(--radius-panel);background:var(--color-card);color:var(--color-text)}.linked-source-note small{color:var(--color-muted);font-weight:700}.connection-mode{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-top:12px;border:1px solid var(--color-border);border-radius:var(--radius-panel);overflow:hidden;background:var(--color-card)}.connection-mode :is(.ui-button,.icon-button,.row-action,.toolbar-button){min-height:var(--control-height);border:0;border-right:1px solid var(--color-border);color:var(--color-text);background:transparent;font-weight:900;cursor:pointer}.connection-mode :is(.ui-button,.icon-button,.row-action,.toolbar-button):last-child{border-right:0}.connection-mode :is(.ui-button,.icon-button,.row-action,.toolbar-button).active{color:var(--color-primary-contrast);background:var(--color-stage)}.connection-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}label,.field-shell,.number-field{display:grid;gap:6px;min-width:0;color:var(--color-text);font-size:.78rem;font-weight:800}.field-label-row{display:inline-flex;align-items:center;gap:6px;min-width:0}.field-label-row>label,.checkbox-field-label{display:inline-flex;min-width:0;color:inherit;font-size:inherit;font-weight:inherit}.field-label-row>label{align-items:baseline}.field-shell>small{color:var(--color-muted);font-size:.72rem;font-weight:750;line-height:1.25}:is(.ui-input,.ui-checkbox,.ui-file-input),.ui-select{width:100%;min-width:var(--control-checkbox-size);min-height:var(--control-checkbox-size);border:1px solid var(--color-muted);border-radius:var(--radius-panel);padding:8px 10px;color:var(--color-text);background:linear-gradient(180deg,var(--color-card) 0%,var(--color-panel) 100%);font-size:.9rem;font-weight:850}.ui-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;padding-right:36px;background:linear-gradient(45deg,transparent 50%,var(--color-stage) 50%) right 14px center / 6px 6px no-repeat,linear-gradient(135deg,var(--color-stage) 50%,transparent 50%) right 8px center / 6px 6px no-repeat,linear-gradient(90deg,transparent calc(100% - 30px),color-mix(in srgb,var(--color-stage) 10%,transparent) calc(100% - 30px)),linear-gradient(180deg,var(--color-card) 0%,var(--color-panel) 100%);cursor:pointer}:is(.ui-input,.ui-checkbox,.ui-file-input):focus,.ui-select:focus{border-color:var(--color-text);outline:2px solid color-mix(in srgb,var(--color-stage) 34%,transparent);outline-offset:2px}:is(.ui-input,.ui-checkbox,.ui-file-input):disabled,.ui-select:disabled{color:var(--color-muted);background:var(--color-card-muted);cursor:not-allowed}.ui-select:disabled{background:linear-gradient(45deg,transparent 50%,var(--color-muted) 50%) right 14px center / 6px 6px no-repeat,linear-gradient(135deg,var(--color-muted) 50%,transparent 50%) right 8px center / 6px 6px no-repeat,linear-gradient(90deg,transparent calc(100% - 30px),color-mix(in srgb,var(--color-muted) 14%,transparent) calc(100% - 30px)),var(--color-card-muted)}:is(.ui-input,.ui-checkbox,.ui-file-input)[type=checkbox],:is(.ui-input,.ui-checkbox,.ui-file-input)[type=radio]{width:var(--control-checkbox-size);min-width:var(--control-checkbox-size);min-height:var(--control-checkbox-size);accent-color:var(--color-text)}.number-field .number-input-frame{display:grid;grid-template-columns:minmax(68px,1fr) max-content;align-items:center;min-width:118px;border:1px solid var(--color-border);border-radius:var(--radius-panel);background:var(--color-card)}.number-field .field-label{display:flex;align-items:baseline;justify-content:flex-start;gap:8px;min-width:0;border:0;border-radius:var(--radius-none);background:transparent}.checkbox-field-inline{display:inline-grid;grid-template-columns:max-content 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-1;color:var(--color-danger-hover);font-size:.72rem;font-weight:750;line-height:1.25}.editor-group{margin-top:14px;padding-top:12px;border-top:1px solid var(--color-border)}.collar-sizing-advice{grid-column:1 / -1;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 10px;align-items:center;border:1px solid var(--color-danger);border-radius:var(--radius-panel);padding:10px;background:var(--color-panel);color:var(--color-text)}.collar-sizing-advice span,.collar-sizing-advice small{font-size:.74rem;font-weight:850}.collar-sizing-advice strong{font-size:.95rem}.collar-sizing-advice small{color:var(--color-muted)}.collar-sizing-advice :is(.ui-button,.icon-button,.row-action,.toolbar-button){grid-row:1 / span 3;grid-column:2;min-height:var(--control-height);border:1px solid var(--color-danger-hover);border-radius:var(--radius-panel);padding:0 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span{margin-top:3px;color:var(--color-muted);font-size:.72rem;font-weight:800;text-transform:uppercase}.model-stage{position:relative;min-height:620px;background:var(--color-panel)}.beam-viewport{position:absolute;top:0;right:0;bottom:0;left:0}.beam-viewport:focus{outline:none}.beam-viewport:focus-visible{outline:2px solid var(--color-info);outline-offset:-2px}.beam-viewport canvas{display:block;width:100%;height:100%}.stage-overlay{position:absolute;left:22px;right:22px;bottom:22px;display:flex;flex-wrap:wrap;gap:10px;pointer-events:none}.stage-overlay div{min-width:150px;border:1px solid color-mix(in srgb,var(--color-stage) 26%,transparent);border-radius:var(--radius-panel);padding:10px 12px;background:color-mix(in srgb,var(--color-card) 82%,transparent);box-shadow:0 10px 24px color-mix(in srgb,var(--color-text) 12%,transparent)}.stage-overlay .overlay-highlight{border-color:color-mix(in srgb,var(--color-info) 42%,transparent);background:color-mix(in srgb,var(--color-card) 90%,transparent)}.stage-overlay .overlay-highlight strong{color:var(--color-info)}.stage-overlay .slab-layer-panel{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px 10px;min-width:300px;pointer-events:auto}.slab-layer-panel span{grid-column:1 / -1}.slab-layer-panel label{display:flex;align-items:center;gap:7px;color:var(--color-text);font-size:.78rem;font-weight:850}.slab-layer-panel :is(.ui-input,.ui-checkbox,.ui-file-input){margin:0}.slab-utilization-legend{display:grid;grid-column:1 / -1;grid-template-columns:auto minmax(90px,1fr) auto;align-items:center;gap:8px;color:var(--color-text);font-size:.74rem;font-weight:850}.slab-utilization-legend i{display:block;height:8px;border:1px solid color-mix(in srgb,var(--color-text) 18%,transparent);border-radius:var(--radius-round);background:linear-gradient(90deg,var(--color-page) 0%,var(--color-muted) 17%,var(--color-success) 43%,var(--color-warning) 57%,var(--color-danger) 67%,var(--color-danger-hover) 100%)}.altan-stage .altan-3d-viewport{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;background:var(--color-panel);cursor:crosshair}.altan-stage.is-ground-editing .altan-3d-viewport{cursor:context-menu}.altan-3d-viewport canvas{display:block;width:100%;height:100%}.altan-3d-viewport:focus-visible{outline:2px solid color-mix(in srgb,var(--color-info) 75%,transparent);outline-offset:-4px}.altan-viewport-tabs{position:absolute;top:18px;left:18px;z-index:4;display:inline-flex;max-width:calc(100% - 36px);overflow:hidden;border:1px solid color-mix(in srgb,var(--color-stage) 24%,transparent);border-radius:var(--radius-panel);background:color-mix(in srgb,var(--color-card) 90%,transparent);box-shadow:0 12px 26px color-mix(in srgb,var(--color-text) 12%,transparent)}.altan-viewport-tabs :is(.ui-button,.icon-button,.row-action,.toolbar-button){min-width:calc(var(--control-height) * 3.688);border:0;border-right:1px solid color-mix(in srgb,var(--color-stage) 16%,transparent);padding:9px 14px;background:transparent;color:var(--color-text);font-size:.78rem;font-weight:900;letter-spacing:0}.altan-viewport-tabs :is(.ui-button,.icon-button,.row-action,.toolbar-button):last-child{border-right:0}.altan-viewport-tabs :is(.ui-button,.icon-button,.row-action,.toolbar-button).active{background:var(--color-page);color:var(--color-text)}.altan-coordinate-hud{position:absolute;left:22px;bottom:108px;display:grid;grid-template-columns:repeat(3,auto);gap:3px 12px;align-items:baseline;max-width:min(520px,calc(100% - 44px));border:1px solid color-mix(in srgb,var(--color-stage) 28%,transparent);border-radius:var(--radius-panel);padding:9px 12px;background:color-mix(in srgb,var(--color-card) 90%,transparent);box-shadow:0 12px 26px color-mix(in srgb,var(--color-text) 14%,transparent);color:var(--color-text);pointer-events:none}.altan-coordinate-hud span,.altan-coordinate-hud small{color:var(--color-muted);font-size:.68rem;font-weight:900;letter-spacing:0;text-transform:uppercase}.altan-coordinate-hud span{grid-column:1 / -1}.altan-coordinate-hud strong{font-size:.82rem;font-weight:950;white-space:nowrap}.altan-coordinate-hud small{grid-column:1 / -1;text-transform:none}.ground-surface-extent{fill:var(--color-card-muted);stroke:var(--color-border);stroke-width:.035}.ground-surface-boundary{fill:color-mix(in srgb,var(--color-border) 32%,transparent);stroke:var(--color-success);stroke-width:.055}.ground-surface-control-point circle{fill:var(--color-panel);stroke:var(--color-stage);stroke-width:.035}.ground-surface-control-point text{fill:var(--color-stage);font-size:.32px;font-weight:800;letter-spacing:0;paint-order:stroke;stroke:color-mix(in srgb,var(--color-card) 82%,transparent);stroke-width:.035px}@media(max-width:760px){.altan-stage .stage-overlay{left:12px;right:12px;bottom:12px}.altan-stage .stage-overlay div{min-width:112px;flex:1 1 112px}.altan-coordinate-hud{left:12px;right:12px;bottom:188px;max-width:none;grid-template-columns:repeat(3,minmax(0,auto))}.altan-viewport-tabs{top:12px;left:12px;right:12px;max-width:none}.altan-viewport-tabs :is(.ui-button,.icon-button,.row-action,.toolbar-button){flex:1 1 0;min-width:0}}}@layer features{.energy-stage{display:grid;align-content:start;gap:18px;padding:24px}.energy-editor-group .group-heading{margin-bottom:12px}.energy-row-card{display:grid;gap:10px;border:1px solid var(--color-border);border-radius:var(--radius-panel);padding:12px;background:var(--color-card)}.energy-row-card.active{border-color:var(--color-primary);box-shadow:inset 0 0 0 1px var(--color-primary)}.energy-row-heading{display:grid;grid-template-columns:minmax(0,1fr) 34px;align-items:center;gap:8px}.energy-body-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(132px,1fr));gap:8px;margin-bottom:10px}.energy-body-strip :is(.ui-button,.icon-button,.row-action,.toolbar-button){display:grid;justify-items:start;min-height:var(--control-hit-target);border:1px solid var(--color-border);border-radius:var(--radius-panel);padding:9px 10px;color:var(--color-text);background:var(--color-card);cursor:pointer}.energy-body-strip :is(.ui-button,.icon-button,.row-action,.toolbar-button).active{border-color:var(--color-text);background:var(--color-panel)}.energy-body-strip strong,.energy-body-strip span{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.energy-body-strip span{color:var(--color-muted);font-size:.74rem;font-weight:800}.energy-compact-grid{grid-template-columns:repeat(auto-fit,minmax(120px,1fr))}.energy-orientation-tool{display:grid;grid-template-columns:auto 1fr;gap:10px;align-items:center;margin-top:10px;padding:10px;border:1px solid var(--color-border);border-radius:var(--radius-panel);background:color-mix(in srgb,var(--color-panel) 72%,transparent)}.energy-compass{position:relative;display:grid;place-items:center;width:54px;height:54px;border:1px solid var(--color-border);border-radius:var(--radius-round);background:var(--color-card);color:var(--color-text)}.energy-compass span{position:absolute;top:4px;font-size:.62rem;font-weight:950}.energy-compass i{position:absolute;bottom:9px;width:3px;height:21px;border-radius:var(--radius-round);background:var(--color-warning);transform-origin:50% -5px}.energy-rotation-actions{display:flex;flex-wrap:wrap;gap:7px;align-items:center}.energy-angle-preset{min-width:38px;height:34px;border:1px solid var(--color-border);border-radius:var(--radius-panel);background:var(--color-card);color:var(--color-text);font-weight:900;cursor:pointer}.energy-angle-preset:hover{border-color:var(--color-muted);background:var(--color-panel)}.energy-angle-preset:disabled{opacity:.38;cursor:not-allowed}.energy-layer-list{display:grid;gap:8px}.energy-layer-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(112px,1fr));align-items:end;gap:8px}.energy-layer-row .row-action{justify-self:end}.energy-add-line{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:34px;border:1px solid var(--color-border);border-radius:var(--radius-panel);color:var(--color-text);background:var(--color-panel);font-weight:900;cursor:pointer}.energy-add-line:disabled{opacity:.5;cursor:not-allowed}.energy-mini-result{display:grid;align-content:center;min-height:58px;border:1px solid var(--color-border);border-radius:var(--radius-panel);padding:8px 10px;background:var(--color-panel)}.energy-mini-result span,.energy-score span,.energy-flow span,.energy-scenario small{color:var(--document-muted);font-size:.72rem;font-weight:850;text-transform:uppercase}.energy-mini-result strong{margin-top:3px;color:var(--color-text);font-size:.9rem}.energy-derived-note{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;border:1px solid var(--color-border);border-radius:var(--radius-panel);padding:8px 10px;background:var(--color-panel)}.energy-derived-note span{color:var(--color-muted);font-size:.72rem;font-weight:850;text-transform:uppercase}.energy-derived-note strong{color:var(--color-text);font-size:.86rem;text-align:right}.energy-scoreboard{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.energy-score{min-height:130px;border:1px solid var(--color-border);border-radius:var(--radius-panel);padding:14px;background:var(--color-card);box-shadow:0 18px 34px color-mix(in srgb,var(--color-text) 8%,transparent)}.energy-score strong{display:block;margin-top:18px;color:var(--color-text);font-size:clamp(1.4rem,3vw,2.35rem);line-height:1}.energy-score small{display:block;margin-top:7px;color:var(--color-muted);font-weight:800}.energy-score.pass{border-color:var(--color-primary);background:var(--color-panel)}.energy-score.fail{border-color:var(--color-danger);background:var(--color-card)}}@layer features{.energy-flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;border:1px solid var(--document-concrete);border-radius:var(--radius-panel);overflow:hidden;background:var(--document-concrete)}.energy-flow div{display:grid;gap:8px;min-height:96px;padding:14px;background:var(--document-paper)}.energy-flow strong{color:var(--document-ink);font-size:1rem}.energy-3d-board{display:grid;gap:12px;border:1px solid var(--document-rule);border-radius:var(--radius-panel);padding:14px;background:color-mix(in srgb,var(--document-paper) 90%,transparent)}.energy-3d-viewport{position:relative;min-height:420px;overflow:hidden;border:1px solid var(--document-rule);border-radius:var(--radius-panel);background:var(--document-paper)}.energy-3d-viewport canvas{display:block;width:100%;height:100%}.energy-axis-key{position:absolute;right:12px;bottom:12px;z-index:1;display:flex;gap:8px;pointer-events:none}.energy-axis-key span,.energy-position-note span{display:inline-flex;align-items:center;justify-content:center;min-height:24px;border:1px solid var(--document-rule);border-radius:var(--radius-round);padding:2px 9px;background:color-mix(in srgb,var(--document-paper) 86%,transparent);color:var(--document-ink);font-size:.72rem;font-weight:900}.energy-axis-key .x-axis{border-color:color-mix(in srgb,var(--document-blue) 52%,transparent);color:var(--document-blue)}.energy-axis-key .z-axis{border-color:color-mix(in srgb,var(--document-teal) 55%,transparent);color:var(--document-green)}.energy-view-compass{position:absolute;right:12px;bottom:12px;z-index:1;display:grid;place-items:center;width:54px;height:54px;border:1px solid var(--document-rule);border-radius:var(--radius-round);background:color-mix(in srgb,var(--document-paper) 90%,transparent);box-shadow:0 10px 24px color-mix(in srgb,var(--document-ink) 12%,transparent);color:var(--document-green);font-size:.66rem;font-weight:950}.energy-view-compass span{position:absolute}.energy-view-compass span:first-child{top:5px}.energy-view-compass span:last-child{bottom:5px;color:var(--document-timber)}.energy-view-compass i{width:4px;height:34px;border-radius:var(--radius-round);background:linear-gradient(var(--document-amber) 0 46%,var(--document-green) 46% 100%);transform:rotate(var(--north-angle, 0deg));transform-origin:50% 50%}.energy-compass-key{width:42px;height:42px;display:grid;place-items:center;border:1px solid var(--document-rule);border-radius:var(--radius-round);background:color-mix(in srgb,var(--document-paper) 88%,transparent)}.energy-compass-key span{min-height:auto;padding:0;border:0;background:transparent;box-shadow:none;transform:translateY(-9px);color:var(--document-green)}.energy-compass-key i{position:absolute;width:3px;height:24px;border-radius:var(--radius-round);background:linear-gradient(var(--document-amber) 0 48%,var(--document-green) 48% 100%)}.energy-position-note{display:flex;flex-wrap:wrap;gap:8px}}@layer features{.energy-plan-board,.energy-shell-debug-board{display:grid;gap:12px;border:1px solid var(--document-rule);border-radius:var(--radius-panel);padding:14px;background:color-mix(in srgb,var(--document-paper) 88%,transparent)}.energy-plan-svg{width:100%;min-height:320px;border:1px solid var(--document-rule);border-radius:var(--radius-panel);background:var(--document-paper)}.energy-shell-debug-svg{width:100%;min-height:240px;border:1px solid var(--document-rule);border-radius:var(--radius-panel);background:var(--document-paper)}.energy-shell-debug-summary{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.energy-shell-debug-summary span,.energy-shell-debug-summary strong{display:inline-flex;min-height:30px;align-items:center;border:1px solid var(--document-rule);border-radius:var(--radius-round);padding:0 10px;color:var(--document-ink);background:var(--document-paper);font-size:.78rem;font-weight:900}.energy-shell-debug-summary .exact{border-color:var(--document-teal);color:var(--document-green);background:var(--document-paper)}.energy-shell-debug-summary .approx{border-color:var(--document-amber);color:var(--document-timber);background:var(--document-paper)}.energy-shell-debug-body{fill:color-mix(in srgb,var(--document-blue) 10%,transparent);stroke:color-mix(in srgb,var(--document-blue) 48%,transparent);stroke-width:.05}.energy-shell-debug-boundary{stroke:var(--document-rust);stroke-linecap:square;stroke-linejoin:round;stroke-width:2.2px;vector-effect:non-scaling-stroke}.energy-shell-debug-note{margin:0;color:var(--document-muted);font-size:.78rem;font-weight:800}.energy-plan-body-group{cursor:grab}.energy-plan-body-group:active{cursor:grabbing}.energy-plan-body{fill:color-mix(in srgb,var(--document-paper) 72%,transparent);stroke:color-mix(in srgb,var(--document-green) 28%,transparent);stroke-width:.04;cursor:pointer}.energy-plan-body.selected{fill:color-mix(in srgb,var(--document-amber) 14%,transparent);stroke:var(--document-amber);stroke-width:.07}.energy-plan-wall{stroke:var(--document-green);stroke-linecap:square;vector-effect:non-scaling-stroke}.energy-plan-wall.selected{stroke:var(--document-blue)}.energy-plan-connected-wall{stroke:var(--document-ground);stroke-dasharray:.18 .16;stroke-linecap:round;stroke-width:.1}.energy-plan-opening{stroke:var(--document-blue);stroke-linecap:round;stroke-width:.24;cursor:pointer}.energy-plan-opening.selected{stroke:var(--document-amber);stroke-width:.32}.energy-plan-opening.ignored{stroke:var(--document-ground);stroke-dasharray:.12 .12}.energy-plan-roof{stroke:var(--document-timber);stroke-width:.06;stroke-linecap:round;fill:none}.energy-plan-roof-fall{stroke:color-mix(in srgb,var(--document-timber) 62%,transparent);stroke-width:.035;stroke-linecap:round}.energy-plan-axis line{stroke-width:.07;stroke-linecap:round;vector-effect:non-scaling-stroke}.energy-plan-axis line:first-of-type{stroke:var(--document-blue)}.energy-plan-axis line:last-of-type{stroke:var(--document-green)}.energy-plan-axis marker path{fill:currentColor}.energy-plan-axis text{fill:var(--document-ink);font-size:.42px;font-weight:950;letter-spacing:0;paint-order:stroke;stroke:color-mix(in srgb,var(--document-paper) 90%,transparent);stroke-width:.09px}.energy-plan-label{fill:var(--document-ink);font-size:.34px;font-weight:800;letter-spacing:0;paint-order:stroke;stroke:color-mix(in srgb,var(--document-paper) 90%,transparent);stroke-width:.08px;text-anchor:middle}.energy-plan-legend{display:flex;flex-wrap:wrap;gap:12px;color:var(--document-muted);font-size:.76rem;font-weight:850}.energy-plan-legend span{display:inline-flex;align-items:center;gap:6px}.energy-plan-legend i{display:inline-block;width:18px;height:4px;border-radius:var(--radius-round)}.energy-plan-legend .wall{background:var(--document-green)}.energy-plan-legend .connected{background:repeating-linear-gradient(90deg,var(--document-ground) 0 4px,transparent 4px 7px)}.energy-plan-legend .opening{height:6px;background:var(--document-blue)}.energy-plan-legend .debug-body{height:8px;border:1px solid color-mix(in srgb,var(--document-blue) 48%,transparent);background:color-mix(in srgb,var(--document-blue) 10%,transparent)}.energy-plan-legend .debug-boundary{height:6px;background:var(--document-rust)}}@layer features{.energy-scenario-board{display:grid;gap:10px;border:1px solid var(--color-border);border-radius:var(--radius-panel);padding:14px;background:color-mix(in srgb,var(--color-card) 84%,transparent)}.energy-scenario{display:grid;grid-template-columns:minmax(0,1fr) 82px 82px;align-items:center;gap:12px;border:1px solid var(--color-border);border-radius:var(--radius-panel);padding:12px;background:var(--color-card)}.energy-scenario strong,.energy-check strong{display:block;color:var(--color-text)}.energy-scenario span{display:block;margin-top:4px;color:var(--color-muted);font-size:.76rem;font-weight:750}.energy-scenario b{display:block;margin-top:4px;color:var(--color-text);font-size:1rem}.delta-good b{color:var(--color-success)}.delta-bad b{color:var(--color-danger-hover)}.energy-check-list{display:grid;gap:10px;margin-bottom:16px}.energy-check{display:grid;grid-template-columns:22px minmax(0,1fr);gap:10px;align-items:start;border:1px solid var(--color-border);border-radius:var(--radius-panel);padding:12px;background:var(--color-card)}.energy-check.pass svg{color:var(--document-teal)}.energy-check.fail{border-color:var(--color-danger);background:var(--color-card)}.energy-check.fail svg{color:var(--document-rust)}.energy-check span{display:block;margin-top:4px;color:var(--color-muted);font-size:.8rem;font-weight:800}.stage-overlay strong{display:block;margin-top:4px;font-size:1.05rem}}@layer features{.workspace-ventilation{--vent-supply: var(--color-info);--vent-extract: var(--color-warning);--vent-line: var(--color-border);height:100%;min-height:0;overflow:hidden}.workspace-ventilation .control-panel,.workspace-ventilation .result-panel{height:100%;min-height:0;overflow:auto}.workspace-ventilation .model-stage{height:100%;min-height:0}.ventilation-part-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.45rem;margin-top:.7rem}.ventilation-part-grid :is(.ui-button,.icon-button,.row-action,.toolbar-button),.ventilation-rotate-row :is(.ui-button,.icon-button,.row-action,.toolbar-button){min-height:var(--control-height);border:1px solid var(--color-border);border-radius:var(--radius-panel);background:var(--color-card);color:var(--color-text);cursor:pointer;font:inherit;font-weight:850}.ventilation-part-grid :is(.ui-button,.icon-button,.row-action,.toolbar-button):hover,.ventilation-rotate-row :is(.ui-button,.icon-button,.row-action,.toolbar-button):hover{border-color:var(--color-muted);background:var(--color-panel)}.ventilation-part-grid :is(.ui-button,.icon-button,.row-action,.toolbar-button):disabled,.ventilation-rotate-row :is(.ui-button,.icon-button,.row-action,.toolbar-button):disabled{cursor:not-allowed;opacity:.45}.ventilation-rotate-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.4rem;margin-top:.65rem}.ventilation-rotate-row :is(.ui-button,.icon-button,.row-action,.toolbar-button){align-items:center;display:inline-flex;gap:.25rem;justify-content:center}.ventilation-part-label-short{display:none}.ventilation-stage{position:relative;overflow:hidden;background:linear-gradient(90deg,color-mix(in srgb,var(--color-stage) 7%,transparent) 1px,transparent 1px),linear-gradient(color-mix(in srgb,var(--color-stage) 7%,transparent) 1px,transparent 1px),var(--color-card-muted);background-size:28px 28px}.ventilation-stage-summary{align-items:center;display:inline-grid;grid-template-columns:auto auto;gap:2px 9px;position:absolute;top:18px;left:22px;z-index:3;max-width:min(360px,calc(100% - 44px));margin:0;border:1px solid color-mix(in srgb,var(--color-stage) 26%,transparent);border-radius:var(--radius-panel);padding:8px 11px;background:color-mix(in srgb,var(--color-card) 86%,transparent);box-shadow:0 10px 24px color-mix(in srgb,var(--color-text) 12%,transparent);pointer-events:none}.ventilation-stage-summary 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var(--draft-accent)}.drafting-layer-block.is-drop-below{box-shadow:inset 0 -3px 0 var(--draft-accent)}.drafting-layer-block.is-figure-drop-target{outline:2px solid var(--draft-accent);outline-offset:-2px}.drafting-layer-row{align-items:center;background:var(--color-card);display:grid;gap:4px;grid-template-columns:22px 26px minmax(0,1fr) 24px 26px 26px 26px;min-height:36px;padding:3px 4px;position:relative}.drafting-layer-block.is-hidden .drafting-layer-figures,.drafting-layer-block.is-hidden .drafting-layer-empty{opacity:.5}.drafting-layer-row:before{background:transparent;bottom:0;content:"";left:0;position:absolute;top:0;width:3px}.drafting-layer-row.is-active{background:var(--color-page)}.drafting-layer-row.is-active:before{background:var(--draft-accent)}.drafting-layer-row.is-dragging{opacity:.45}.drafting-layer-row :is(.ui-input,.ui-checkbox,.ui-file-input){background:transparent;border:1px solid transparent;color:var(--draft-ink);font:700 .7rem/1 ui-monospace,SFMono-Regular,Consolas,monospace;min-width:0;padding:6px 4px;width:100%}.drafting-layer-row :is(.ui-input,.ui-checkbox,.ui-file-input):focus{background:var(--color-primary-contrast);border-color:var(--draft-teal);outline:none}.drafting-layer-grip,.drafting-layer-marker,.drafting-layer-solo-button,.drafting-layer-icon{background:transparent;color:var(--color-muted);height:27px;width:27px}.drafting-layer-grip{cursor:grab;width:21px}.drafting-layer-grip:active,.drafting-layer-figure-grip:active{cursor:grabbing}.drafting-layer-grip:hover,.drafting-layer-marker:hover,.drafting-layer-solo-button:hover,.drafting-layer-icon:hover{background:var(--color-page);color:var(--draft-teal)}.drafting-layer-solo-button span,.drafting-layer-figure-actions .drafting-layer-solo-button span{font:900 .57rem/1 ui-monospace,SFMono-Regular,Consolas,monospace}.drafting-layer-solo-button[aria-pressed=true],.drafting-layer-figure-actions 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:is(.ui-button,.icon-button,.row-action,.toolbar-button){background:transparent;border:0;color:inherit}.drafting-layer-figure-grip{align-items:center;color:var(--color-muted);border-left:2px solid transparent;cursor:grab;display:inline-flex;height:28px;justify-content:center;padding:0;width:20px}.drafting-layer-figure-select{align-items:center;color:var(--color-primary-hover);cursor:pointer;display:grid;gap:6px;grid-template-columns:18px minmax(0,1fr);min-width:0;padding:5px 6px;text-align:left}.drafting-layer-figure-select.is-selected{color:var(--color-primary-hover)}.drafting-layer-figure-actions{display:inline-flex;gap:1px;padding-right:2px}.drafting-layer-figure-actions :is(.ui-button,.icon-button,.row-action,.toolbar-button){align-items:center;border-radius:var(--radius-tight);color:var(--color-muted);cursor:pointer;display:inline-flex;height:var(--control-height-compact);justify-content:center;padding:0;width:var(--control-height-compact)}.drafting-layer-figure-actions :is(.ui-button,.icon-button,.row-action,.toolbar-button):hover{background:var(--color-card);color:var(--draft-teal)}.drafting-layer-figure-actions .drafting-layer-isolate-button[aria-pressed=true]{background:var(--draft-teal);color:var(--color-primary-contrast)}.drafting-layer-figure-icon{color:var(--color-muted);display:inline-flex;justify-content:center}.drafting-layer-figures strong,.drafting-layer-figures small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.drafting-layer-figures strong{font:750 .65rem/1.2 ui-monospace,SFMono-Regular,Consolas,monospace}.drafting-layer-figures small{color:var(--color-muted);font-size:.55rem;margin-top:2px;text-transform:uppercase}.drafting-layer-empty{background:var(--color-page);color:var(--color-muted);font-size:.61rem;font-style:italic;margin:0;padding:5px 8px 7px 36px}.drafting-layer-transfer{background:var(--color-card);border:1px solid var(--color-border);display:grid;gap:8px;margin-top:8px;padding:9px}.drafting-layer-transfer>strong{color:var(--color-danger-hover);font-size:.68rem;line-height:1.35}.drafting-layer-transfer>div{display:flex;gap:6px}.drafting-layer-transfer :is(.ui-button,.icon-button,.row-action,.toolbar-button){background:var(--draft-ink);color:var(--color-primary-contrast);font-size:.64rem;font-weight:800;padding:6px 8px}.drafting-layer-transfer :is(.ui-button,.icon-button,.row-action,.toolbar-button):last-child{background:transparent;border-color:var(--color-muted);color:var(--draft-ink)}.drafting-active-layer{align-items:center;color:var(--draft-teal);display:flex;font:750 .61rem/1.3 ui-monospace,SFMono-Regular,Consolas,monospace;gap:5px;margin:8px 2px 0}.drafting-layers-panel :is(.ui-button,.icon-button,.row-action,.toolbar-button):disabled{cursor:not-allowed;opacity:.38}@media(max-width:860px){.drafting-right-dock{border:0;display:block}.drafting-layers-panel{border-top:1px solid var(--draft-line);max-height:360px}.drafting-right-dock .drafting-inspector{border-left:0}}}@layer features{.drafting-canvas-stage{display:grid;grid-template-rows:minmax(0,1fr) auto;min-height:0;min-width:0;overflow:hidden}.drafting-sheet-mat{align-items:flex-start;display:flex;justify-content:flex-start;min-height:0;overflow:auto;padding:38px}.drafting-sheet-zoom-surface{flex:0 0 auto;margin:auto;position:relative}.drafting-sheet{background:var(--draft-paper);box-shadow:0 18px 50px color-mix(in srgb,var(--document-black) 42%,transparent),0 0 0 1px color-mix(in srgb,var(--document-ink) 45%,transparent);cursor:crosshair;display:block;left:0;position:absolute;touch-action:none;top:0}.drafting-sheet.is-tool-select{cursor:default}.drafting-sheet.is-interacting{cursor:crosshair}.drafting-sheet.is-moving-selection,.drafting-sheet.is-moving-selection .drafting-entity,.drafting-sheet.is-moving-selection .drafting-entity-hit-target{cursor:grabbing}.drafting-paper{pointer-events:none}.drafting-viewport-frame{fill:none;pointer-events:none;stroke:var(--document-concrete);stroke-dasharray:1.5 1.5;stroke-width:.2}.drafting-entity{cursor:pointer;stroke-linecap:square;stroke-linejoin:miter}.drafting-entity.is-selected{stroke:var(--draft-accent)}.drafting-entity.is-drafting{filter:drop-shadow(0 0 .8px color-mix(in srgb,var(--document-rust) 55%,transparent));stroke:var(--draft-accent-dark)}.drafting-entity.is-locked{cursor:not-allowed}.drafting-entity-hit-target{cursor:pointer}.drafting-entity-hit-target.is-locked{cursor:not-allowed}.drafting-endpoint-labels{opacity:0;pointer-events:none;transition:opacity .1s ease}.drafting-line-entity-group:hover .drafting-endpoint-labels,.drafting-line-entity-group.shows-endpoint-labels .drafting-endpoint-labels{opacity:1}.drafting-endpoint-labels text{fill:var(--draft-accent-dark);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-weight:900;paint-order:stroke;stroke:var(--document-paper);stroke-linejoin:round}.drafting-area-preview{fill:color-mix(in srgb,var(--document-teal) 22%,transparent);pointer-events:none;stroke:var(--draft-teal)}.drafting-area-preview.has-issue{fill:color-mix(in srgb,var(--document-rust) 15%,transparent);stroke:var(--draft-accent-dark)}.drafting-area-boundary-overlay{pointer-events:none}.drafting-area-boundary-overlay polygon{stroke:var(--draft-accent)}.drafting-selection-box{fill:color-mix(in srgb,var(--document-teal) 13%,transparent);stroke:var(--document-teal);stroke-dasharray:2.4 1.6;stroke-width:.45;vector-effect:non-scaling-stroke}.drafting-snap-marker path{fill:none;stroke-linecap:round;stroke:var(--draft-teal)}.drafting-snap-marker circle{fill:color-mix(in srgb,var(--document-paper) 78%,transparent);stroke:var(--draft-teal)}.drafting-group-snap-markers .drafting-snap-marker circle{fill:color-mix(in srgb,var(--document-rust) 12%,transparent);stroke:var(--draft-accent)}.drafting-group-snap-markers .drafting-snap-marker path{stroke:var(--draft-accent)}.drafting-anchor-control{cursor:move;pointer-events:all}.drafting-anchor-hit{fill:transparent;pointer-events:all}.drafting-live-measure{pointer-events:none}.drafting-measure-extension,.drafting-measure-line{stroke:var(--document-muted)}.drafting-measure-extension{opacity:.82}.drafting-measure-label.is-interactive{cursor:move;pointer-events:all}.drafting-measure-hit{fill:transparent;pointer-events:all}.drafting-live-measure text{fill:var(--document-ink);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-weight:750;letter-spacing:.02em;paint-order:stroke;pointer-events:none;stroke:var(--document-paper);stroke-linejoin:round}.drafting-measure-label.is-interactive:hover text{fill:var(--draft-accent-dark)}.drafting-polygon-preview{pointer-events:none}.drafting-polygon-preview polyline{stroke:var(--draft-accent-dark)}.drafting-active-node{fill:none;stroke-linecap:round;stroke:var(--draft-accent-dark)}.drafting-angle-reference,.drafting-angle-local-reference,.drafting-angle-arc{fill:none;stroke:var(--document-teal);stroke-linecap:round}.drafting-angle-reference{filter:drop-shadow(0 0 .7px color-mix(in srgb,var(--document-teal) 42%,transparent))}.drafting-angle-arc{stroke:var(--draft-accent-dark)}.drafting-angle-label text{fill:var(--document-ink);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-weight:800;paint-order:stroke;stroke:var(--document-paper);stroke-linejoin:round}.drafting-dimension-label{fill:var(--document-ink);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-weight:700;paint-order:stroke;stroke:var(--document-paper);stroke-linejoin:round}.drafting-paper-text{cursor:pointer;fill:var(--document-ink);font-family:Arial Narrow,Arial,sans-serif;paint-order:stroke}.drafting-paper-text.is-selected{fill:var(--draft-accent-dark);stroke:color-mix(in srgb,var(--document-white) 80%,transparent);stroke-width:.5px}.drafting-title-block rect{stroke:var(--document-ink);stroke-width:.35}.drafting-title-block path{fill:none;stroke:var(--document-ink);stroke-width:.25}.drafting-title-label{fill:var(--document-muted);font:700 1.7px/1 Arial,sans-serif;letter-spacing:.18px}.drafting-title-value{fill:var(--document-black);font:700 3.1px/1 Arial Narrow,Arial,sans-serif}.drafting-canvas-status{align-items:center;background:color-mix(in srgb,var(--document-ink) 82%,transparent);border-top:1px solid color-mix(in srgb,var(--document-white) 9%,transparent);color:var(--document-rule);display:flex;font-size:.61rem;font-weight:750;gap:7px;letter-spacing:.08em;min-height:28px;padding:5px 12px;text-transform:uppercase}.drafting-status-dot{background:var(--document-glass);border-radius:var(--radius-round);box-shadow:0 0 0 3px color-mix(in srgb,var(--document-glass) 12%,transparent);height:6px;width:6px}.drafting-canvas-status.has-issue{background:var(--document-ink);color:var(--document-paper)}.drafting-canvas-status.has-issue .drafting-status-dot{background:var(--document-concrete);box-shadow:0 0 0 3px color-mix(in srgb,var(--document-concrete) 16%,transparent)}.drafting-inspector{border-left:1px solid var(--draft-line)}.drafting-inspector-section{border-bottom:1px solid var(--draft-line);display:grid;gap:9px;padding:14px}.drafting-inspector-section>header{align-items:center;display:flex;gap:9px;margin-bottom:3px}.drafting-inspector-section>header>span{color:var(--draft-accent);font:800 .62rem/1 ui-monospace,SFMono-Regular,Consolas,monospace}.drafting-inspector-section h2{font-family:Arial Narrow,Roboto Condensed,sans-serif;font-size:.85rem;letter-spacing:.075em;text-transform:uppercase}.drafting-field-grid{display:grid;gap:7px;grid-template-columns:repeat(2,minmax(0,1fr))}.drafting-inspector-empty{color:var(--draft-muted);font-size:.73rem;line-height:1.55;padding:6px 0 8px}.drafting-attached{background:var(--document-paper);border-left:3px solid var(--draft-teal);color:var(--document-green);font:650 .68rem/1.4 ui-monospace,SFMono-Regular,Consolas,monospace;padding:7px 8px}.drafting-area-appearance{background:var(--document-paper);border:1px solid var(--document-rule);margin:0;min-width:0;padding:8px}.drafting-area-appearance legend{color:var(--document-green);font:800 .62rem/1 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.08em;padding:0 5px;text-transform:uppercase}.drafting-derived-metrics{background:var(--document-rule);border:1px solid var(--document-rule);display:flex;flex-wrap:wrap;gap:4px 10px;justify-content:space-between;padding:8px}.drafting-derived-metrics strong,.drafting-derived-metrics span{font:700 .69rem/1.2 ui-monospace,SFMono-Regular,Consolas,monospace}.drafting-derived-metrics span{color:var(--draft-muted)}.drafting-delete-button{background:transparent;border-color:var(--document-ground);color:var(--document-timber);gap:6px;margin-top:2px;padding:7px 9px;width:fit-content}.drafting-delete-button:hover{background:var(--document-paper)}.drafting-lock-button{align-items:center;background:var(--document-paper);border-color:var(--document-concrete);color:var(--document-green);display:inline-flex;font-size:.7rem;gap:6px;justify-self:start;padding:7px 9px}.drafting-visibility-button{background:transparent;border:1px solid var(--document-concrete);border-radius:var(--radius-panel);color:var(--document-green);cursor:pointer;font-size:.7rem;justify-self:start;padding:7px 9px}.drafting-lock-button.is-locked{background:var(--document-rule);border-color:var(--document-ground);color:var(--document-timber)}@media(max-width:860px){.drafting-sheet-mat{padding:22px 12px}.drafting-sheet{min-height:220px}.drafting-inspector{border-top:1px solid var(--draft-line)}.drafting-publication-fields{grid-template-columns:repeat(2,minmax(0,1fr))}.drafting-publication-fields>header,.drafting-publication-fields>.drafting-field:first-of-type,.drafting-publication-fields>.drafting-field:last-of-type{grid-column:1 / -1}}}@layer features{.drafting-fill-context-window.context-window{width:min(390px,calc(100vw - 24px))}.drafting-fill-context-window .context-window-body{background:var(--color-card-muted);padding:0}.surface-finish-picker{display:grid}.surface-finish-group{border-bottom:1px solid color-mix(in srgb,var(--color-stage) 18%,transparent);display:grid;gap:8px;padding:11px 12px 13px}.surface-finish-group:last-child{border-bottom:0}.surface-finish-group h3{color:var(--color-muted);font:850 .62rem/1 Arial Narrow,sans-serif;letter-spacing:.13em;margin:0;text-transform:uppercase}.surface-finish-grid{display:grid;gap:7px;grid-template-columns:repeat(3,minmax(0,1fr))}.surface-finish-option{background:var(--color-panel);border:1px solid var(--color-border);border-radius:var(--radius-panel);color:var(--color-text);cursor:pointer;display:grid;gap:5px;min-width:0;padding:5px;position:relative;text-align:left}.surface-finish-option:hover:not(:disabled),.surface-finish-option:focus-visible{background:var(--color-card);border-color:var(--color-muted);box-shadow:0 0 0 3px color-mix(in srgb,var(--color-primary) 12%,transparent);outline:0;transform:translateY(-1px)}.surface-finish-option.is-selected{background:var(--color-card-muted);border-color:var(--color-primary);box-shadow:inset 0 -2px 0 var(--color-primary)}.surface-finish-option:disabled{cursor:not-allowed;opacity:.62}.surface-finish-option>span{font-size:.66rem;font-weight:800;line-height:1.15;min-height:1.5em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.surface-finish-option>i{align-items:center;background:var(--color-primary);border:2px solid var(--color-panel);border-radius:var(--radius-round);color:var(--color-primary-contrast);display:flex;height:18px;justify-content:center;position:absolute;right:1px;top:1px;width:18px}.surface-finish-swatch{background:var(--color-primary-contrast);border:1px solid color-mix(in srgb,var(--color-text) 24%,transparent);border-radius:var(--radius-tight);box-shadow:inset 0 0 0 1px color-mix(in srgb,var(--color-primary-contrast) 22%,transparent);display:block;height:31px;width:100%}.surface-finish-swatch.is-none path{fill:none;stroke:var(--color-danger-hover);stroke-width:1.4}@media(max-width:460px){.surface-finish-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}}@layer features{.workspace-site-plan{--workspace-control-column: minmax(280px, 340px);--workspace-stage-column: minmax(480px, 1fr);--workspace-result-column: minmax(260px, 320px)}.site-plan-control-panel .field-grid label:first-child{grid-column:auto}.site-plan-document-actions{display:grid;grid-template-columns:1fr;gap:8px;margin-top:10px}.site-plan-document-actions :is(.ui-button,.icon-button,.row-action,.toolbar-button),.site-plan-state-import{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:var(--control-height);border:1px solid var(--color-border);border-radius:var(--radius-panel);color:var(--color-text);background:var(--color-card);font-size:.86rem;font-weight:900;text-transform:none;cursor:pointer}.site-plan-document-actions :is(.ui-button,.icon-button,.row-action,.toolbar-button):disabled,.site-plan-state-import.disabled{opacity:.48;cursor:not-allowed}.site-plan-state-import :is(.ui-input,.ui-checkbox,.ui-file-input){position:absolute;width:var(--control-checkbox-size);height:var(--control-checkbox-size);margin:-1px;overflow:hidden;clip:rect(0,0,0,0)}.site-plan-draw-scale,.site-plan-reference-toggle,.site-plan-side-toggle{min-height:40px;border:1px solid var(--document-concrete);border-radius:var(--radius-panel);color:var(--document-ink);background:var(--document-paper);font-weight:900;cursor:pointer}.site-plan-draw-scale.active,.site-plan-reference-toggle.active{border-color:var(--document-green);color:var(--document-paper);background:var(--document-green)}.site-plan-field-note{margin:8px 0 12px;color:var(--color-muted);font-size:.82rem;font-weight:700;line-height:1.35}.site-plan-group-subsection{margin:2px 0 8px;border-bottom:1px solid color-mix(in srgb,var(--color-border) 55%,transparent);padding-bottom:6px}.site-plan-group-subsection h3{margin:0;color:var(--color-text);font-size:.82rem;font-weight:950}.site-plan-draw-scale:disabled,.site-plan-reference-toggle:disabled,.site-plan-side-toggle:disabled{opacity:.48;cursor:not-allowed}.site-plan-draw-scale,.site-plan-reference-toggle,.site-plan-side-toggle{width:100%;margin-top:8px}.site-plan-reference-toggle{display:grid;justify-items:center;gap:2px}.site-plan-reference-toggle small,.site-plan-side-toggle small{color:inherit;font-size:.72rem;font-weight:800;opacity:.76}.site-plan-side-toggle{display:grid;justify-items:center;gap:2px}.site-plan-tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.site-plan-tool-grid :is(.ui-button,.icon-button,.row-action,.toolbar-button){min-height:var(--control-height);border:1px solid var(--color-border);border-radius:var(--radius-panel);color:var(--color-text);background:var(--color-card);font-weight:900;cursor:pointer}.site-plan-tool-grid :is(.ui-button,.icon-button,.row-action,.toolbar-button).active{border-color:var(--color-text);color:var(--color-primary-contrast);background:var(--color-stage)}.site-plan-entity-list{display:grid;gap:8px}}@layer features{.site-plan-entity-card{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;align-items:stretch;border:1px solid var(--document-rule);border-radius:var(--radius-panel);padding:8px;background:var(--document-paper)}.site-plan-entity-card.active{border-color:var(--document-green);box-shadow:inset 4px 0 0 var(--document-green)}.site-plan-entity-card.guide-line.active{border-color:var(--document-blue);box-shadow:inset 4px 0 0 var(--document-blue)}.site-plan-entity-card.polygon.active{border-color:var(--document-timber);box-shadow:inset 4px 0 0 var(--document-timber)}.site-plan-entity-select{display:grid;gap:2px;min-width:0;border:0;padding:0;color:var(--document-ink);background:transparent;text-align:left;cursor:pointer}.site-plan-entity-select strong{overflow:hidden;font-size:.88rem;text-overflow:ellipsis;white-space:nowrap}.site-plan-entity-select small{color:var(--document-muted);font-size:.72rem;font-weight:800}.site-plan-entity-actions{display:grid;grid-template-columns:repeat(3,minmax(54px,auto));gap:6px}.site-plan-entity-actions :is(.ui-button,.icon-button,.row-action,.toolbar-button){border:1px solid var(--document-concrete);border-radius:var(--radius-panel);padding:0 9px;color:var(--document-ink);background:var(--document-paper);font-size:.76rem;font-weight:900;cursor:pointer}.site-plan-entity-actions :is(.ui-button,.icon-button,.row-action,.toolbar-button).active{border-color:var(--document-green);color:var(--document-paper);background:var(--document-green)}.site-plan-entity-actions :is(.ui-button,.icon-button,.row-action,.toolbar-button).danger{border-color:var(--document-concrete);color:var(--document-timber);background:var(--document-paper)}.site-plan-entity-actions :is(.ui-button,.icon-button,.row-action,.toolbar-button).danger:hover:not(:disabled),.site-plan-entity-actions :is(.ui-button,.icon-button,.row-action,.toolbar-button).danger:focus-visible{border-color:var(--document-rust);color:var(--document-paper);background:var(--document-rust)}.site-plan-entity-actions :is(.ui-button,.icon-button,.row-action,.toolbar-button):disabled{opacity:.52;cursor:not-allowed}.site-plan-polygon-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.site-plan-polygon-actions :is(.ui-button,.icon-button,.row-action,.toolbar-button){min-height:var(--control-height);border:1px solid var(--color-border);border-radius:var(--radius-panel);color:var(--color-text);background:var(--color-card);font-weight:900;cursor:pointer}.site-plan-polygon-actions :is(.ui-button,.icon-button,.row-action,.toolbar-button).active{border-color:var(--color-danger-hover);color:var(--color-primary-contrast);background:var(--color-danger-hover)}.site-plan-polygon-actions :is(.ui-button,.icon-button,.row-action,.toolbar-button):disabled{opacity:.52;cursor:not-allowed}.site-plan-add-actions,.site-plan-boundary-list{display:grid;gap:6px}.site-plan-add-actions{grid-template-columns:1fr 1fr;margin-top:8px}.site-plan-add-actions :is(.ui-button,.icon-button,.row-action,.toolbar-button),.site-plan-add-boundary,.site-plan-boundary-list :is(.ui-button,.icon-button,.row-action,.toolbar-button){border:1px solid var(--document-concrete);border-radius:var(--radius-panel);padding:8px 10px;color:var(--document-ink);background:var(--document-paper);font-size:.78rem;font-weight:900;cursor:pointer}.site-plan-add-actions :is(.ui-button,.icon-button,.row-action,.toolbar-button):disabled,.site-plan-add-boundary:disabled{opacity:.52;cursor:not-allowed}.site-plan-boundary-list :is(.ui-button,.icon-button,.row-action,.toolbar-button){display:grid;gap:2px;text-align:left}.site-plan-boundary-list :is(.ui-button,.icon-button,.row-action,.toolbar-button).active{border-color:var(--document-green);box-shadow:inset 4px 0 0 var(--document-green)}.site-plan-boundary-list small{color:var(--document-muted);font-size:.72rem;font-weight:800}.site-plan-add-boundary{width:100%;margin:8px 0}}@layer features{.site-plan-stage{overflow:hidden;background:linear-gradient(90deg,color-mix(in srgb,var(--color-stage) 7%,transparent) 1px,transparent 1px),linear-gradient(color-mix(in srgb,var(--color-stage) 7%,transparent) 1px,transparent 1px),var(--color-card-muted);background-size:28px 28px}.site-plan-sheet{position:absolute;top:24px;right:24px;bottom:24px;left:24px;overflow:scroll;scrollbar-gutter:stable both-edges;border:1px solid var(--document-concrete);border-radius:var(--radius-panel);padding:26px;background:var(--document-paper);cursor:default;box-shadow:0 22px 48px color-mix(in srgb,var(--document-ink) 18%,transparent)}.site-plan-page-frame{position:relative;margin:0 auto;max-width:none;min-width:0;background:var(--color-primary-contrast);box-shadow:0 14px 36px color-mix(in srgb,var(--color-text) 18%,transparent)}.site-plan-context-menu.context-window{width:min(330px,calc(100vw - 24px));border-color:var(--color-border);background:linear-gradient(color-mix(in srgb,var(--color-card) 97%,transparent),color-mix(in srgb,var(--color-card) 97%,transparent)),repeating-linear-gradient(90deg,transparent 0 23px,color-mix(in srgb,var(--color-primary-hover) 8%,transparent) 23px 24px);box-shadow:0 18px 44px color-mix(in srgb,var(--color-text) 24%,transparent),0 2px 8px color-mix(in srgb,var(--color-text) 16%,transparent)}.site-plan-context-menu .context-window-titlebar{background:linear-gradient(90deg,var(--color-card-muted) 0,var(--color-card-muted) 72%,var(--color-page) 100%)}.site-plan-context-menu .context-window-heading strong{color:var(--color-muted);font-family:ui-monospace,Cascadia Mono,monospace;font-size:.68rem}.site-plan-context-menu .context-window-body{gap:8px}.site-plan-document,.site-plan-placeholder,.site-plan-hit-layer,.site-plan-overlay{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}.site-plan-document{border:0;object-fit:contain;pointer-events:auto;z-index:1}.site-plan-pdf-canvas{display:block;object-fit:fill}.site-plan-sheet.is-placement-active .site-plan-document{pointer-events:none}.site-plan-placeholder{display:grid;place-items:center;align-content:center;gap:10px;padding:30px;color:var(--color-success);text-align:center;background:linear-gradient(45deg,color-mix(in srgb,var(--color-stage) 5%,transparent) 25%,transparent 25%),linear-gradient(-45deg,color-mix(in srgb,var(--color-stage) 5%,transparent) 25%,transparent 25%),var(--color-card);background-size:18px 18px;z-index:1}.site-plan-placeholder strong{color:var(--color-text);font-size:1.05rem}.site-plan-placeholder span{max-width:440px;line-height:1.45}.site-plan-render-status{position:absolute;top:0;right:0;bottom:0;left:0;z-index:2;display:grid;place-items:center;align-content:center;gap:8px;padding:30px;color:var(--color-success);text-align:center;background:color-mix(in srgb,var(--color-card) 92%,transparent)}.site-plan-render-status strong{color:var(--color-text);font-size:.95rem}.site-plan-render-status span{max-width:320px;font-size:.82rem;line-height:1.4}.site-plan-render-status code{max-width:min(520px,84%);padding:6px 8px;overflow-wrap:anywhere;border:1px solid color-mix(in srgb,var(--color-success) 22%,transparent);border-radius:var(--radius-panel);color:var(--color-text);background:color-mix(in srgb,var(--color-card) 86%,transparent);font-size:.72rem;line-height:1.35}.site-plan-overlay{pointer-events:none;z-index:3}.site-plan-hit-layer{z-index:4;pointer-events:none}.site-plan-hit-layer.is-active{cursor:crosshair;pointer-events:auto;touch-action:none;-webkit-user-select:none;user-select:none}.site-plan-hit-layer.is-drag-hover{cursor:grab}.site-plan-hit-layer.is-dragging{cursor:grabbing;touch-action:none;-webkit-user-select:none;user-select:none}.site-plan-line,.site-plan-footprint-mask,.site-plan-footprint,.site-plan-polygon-fill,.site-plan-polygon-line,.site-plan-label-line,.site-plan-polygon-label-line,.site-plan-polygon-point{vector-effect:non-scaling-stroke}.site-plan-line{stroke-linecap:round;stroke-width:1.2;fill:none}.site-plan-line-calibration{stroke:var(--color-info);stroke-dasharray:13 9}.site-plan-line-reference{stroke:var(--color-warning);stroke-width:1.2}.site-plan-line-guide-reference{stroke:var(--color-info);stroke-dasharray:9 8;stroke-width:.9;opacity:.58}.site-plan-line-guide-offset{stroke:var(--color-info);stroke-width:1.1}.site-plan-line-guide-distance{stroke:var(--color-info);stroke-dasharray:4 6;stroke-width:1.2;opacity:.78}}@layer features{.site-plan-entity:not(.active){opacity:.62}.site-plan-entity.locked .site-plan-footprint{stroke-dasharray:10 7}.site-plan-entity.dragging .site-plan-footprint{stroke:var(--document-blue);stroke-width:1.8}.site-plan-line-boundary{stroke:var(--document-green);stroke-width:1;stroke-dasharray:3 9}.site-plan-polygon-fill{stroke:var(--document-timber);stroke-width:1.1}.site-plan-polygon-line{fill:none;stroke:var(--document-timber);stroke-width:1.1}.site-plan-polygon-point{fill:var(--document-paper);stroke:var(--document-timber);stroke-width:1.2}.site-plan-polygon-point.close-target{fill:var(--document-timber);stroke:var(--document-paper)}.site-plan-label-line,.site-plan-polygon-label-line{stroke:var(--document-ink);stroke-width:.7;stroke-linecap:round}.site-plan-polygon-label,.site-plan-rectangle-label,.site-plan-dimension-label,.site-plan-guide-label{paint-order:stroke;stroke:color-mix(in srgb,var(--document-white) 96%,transparent);stroke-width:3px;fill:var(--document-black);font-size:11px;font-weight:400;letter-spacing:0;text-anchor:middle;dominant-baseline:central;vector-effect:non-scaling-stroke}.site-plan-entity.locked .site-plan-polygon-fill,.site-plan-entity.locked .site-plan-polygon-line{stroke-dasharray:9 6}.site-plan-footprint-mask{fill:var(--document-white);stroke:none}.site-plan-footprint{fill:var(--document-white);stroke:var(--document-ink);stroke-width:1.2}.site-plan-footprint-cross{stroke:var(--document-ink);stroke-width:.9;vector-effect:non-scaling-stroke}.site-plan-move-handle{vector-effect:non-scaling-stroke}.site-plan-move-hit-target{fill:transparent;stroke:transparent;vector-effect:non-scaling-stroke}.site-plan-move-glyph-outline,.site-plan-move-glyph{fill:none;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}.site-plan-move-glyph-outline{stroke:color-mix(in srgb,var(--document-white) 96%,transparent);stroke-width:4.2}.site-plan-move-glyph{stroke:var(--document-black);stroke-width:1.55}.site-plan-pending-point{fill:var(--document-amber);stroke:var(--document-paper);stroke-width:1.3;vector-effect:non-scaling-stroke}.site-plan-measurement-line{fill:none;stroke-linecap:round;vector-effect:non-scaling-stroke}.site-plan-measurement-preview .site-plan-measurement-line{opacity:.72;stroke-dasharray:7 6}.site-plan-measurement-result .site-plan-measurement-line{opacity:.95}.site-plan-measurement-distance{stroke:var(--document-rust);stroke-width:1.35}.site-plan-measurement-origin,.site-plan-measurement-offset{stroke:var(--document-rust);stroke-width:1.15}.site-plan-measurement-reference{stroke:var(--document-green);stroke-width:1.1;stroke-dasharray:11 7}.site-plan-measurement-label{paint-order:stroke;stroke:color-mix(in srgb,var(--document-white) 98%,transparent);stroke-width:4px;fill:var(--document-timber);font-size:11px;font-weight:900;letter-spacing:0;text-anchor:middle;dominant-baseline:central;vector-effect:non-scaling-stroke}.site-plan-overlay-readout{bottom:28px}.site-plan-zoom-controls{position:sticky;top:14px;z-index:20;display:flex;align-items:center;justify-content:flex-end;gap:8px;width:max-content;height:0;margin:0 0 0 auto;pointer-events:auto}.site-plan-page-controls{position:absolute;top:38px;left:38px;z-index:20;display:flex;align-items:center;justify-content:center;gap:8px;width:max-content;margin:0;pointer-events:auto}.site-plan-zoom-controls :is(.ui-button,.icon-button,.row-action,.toolbar-button),.site-plan-page-controls :is(.ui-button,.icon-button,.row-action,.toolbar-button){display:grid;place-items:center;width:var(--control-height);height:var(--control-height);border:1px solid color-mix(in srgb,var(--document-green) 26%,transparent);border-radius:var(--radius-panel);color:var(--document-ink);background:color-mix(in srgb,var(--document-paper) 90%,transparent);cursor:pointer;box-shadow:0 10px 24px color-mix(in srgb,var(--document-ink) 12%,transparent)}.site-plan-page-controls :is(.ui-button,.icon-button,.row-action,.toolbar-button):disabled{opacity:.48;cursor:not-allowed}.site-plan-page-controls span{display:grid;place-items:center;min-width:92px;height:34px;border:1px solid color-mix(in srgb,var(--document-green) 26%,transparent);border-radius:var(--radius-panel);padding:0 10px;color:var(--document-ink);background:color-mix(in srgb,var(--document-paper) 90%,transparent);font-size:.84rem;font-weight:900;box-shadow:0 10px 24px color-mix(in srgb,var(--document-ink) 12%,transparent)}.site-plan-zoom-field{display:flex;align-items:center;justify-content:center;gap:2px;min-width:66px;border:1px solid color-mix(in srgb,var(--document-green) 26%,transparent);border-radius:var(--radius-panel);padding:0 8px;height:34px;color:var(--document-ink);background:color-mix(in srgb,var(--document-paper) 90%,transparent);font-size:.84rem;font-weight:800;text-align:center;box-shadow:0 10px 24px color-mix(in srgb,var(--document-ink) 12%,transparent)}.site-plan-zoom-field :is(.ui-input,.ui-checkbox,.ui-file-input){width:var(--control-checkbox-size);border:0;padding:0;color:inherit;background:transparent;font:inherit;text-align:right;outline:none}.site-plan-zoom-field 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var(--radius-panel) var(--radius-panel) var(--radius-none);content:"";background:transparent}.workspace-activity-rail .ui-button span{max-width:var(--control-hit-target);overflow:hidden;font-size:.58rem;font-weight:850;line-height:1.05;text-align:center;text-overflow:ellipsis;white-space:nowrap}.workspace-activity-rail .ui-button:hover,.workspace-activity-rail .ui-button:focus-visible{border-color:var(--color-border, var(--color-border));color:var(--color-text, var(--color-text));background:var(--color-card-muted, var(--color-card-muted))}.workspace-activity-rail .ui-button.active{color:var(--color-accent, var(--color-danger));background:var(--color-accent-soft, color-mix(in srgb, var(--color-danger) 14%, transparent))}.workspace-activity-rail .ui-button.active:before{background:var(--color-accent, var(--color-danger))}.workspace-navigation-scrim{position:fixed;inset:var(--app-header-height) 0 0 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