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svg,.empty-takeoff svg{fill:none;stroke:currentColor;stroke-width:1.8px;stroke-linecap:round;stroke-linejoin:round;width:16px;height:16px}.context-strip{border:1px solid var(--tf-border);border-radius:var(--tf-radius-lg);background:var(--tf-surface);box-shadow:var(--tf-shadow-sm);grid-template-columns:repeat(4,minmax(0,1fr));display:grid;overflow:hidden}.context-strip div{padding:var(--tf-space-3) var(--tf-space-4);border-right:1px solid var(--tf-hairline);gap:3px;display:grid}.context-strip div:last-child{border-right:0}.context-strip span{color:var(--tf-text-muted);font-size:var(--tf-text-xs);font-weight:var(--tf-weight-semibold);text-transform:uppercase;letter-spacing:.04em}.context-strip strong{color:var(--tf-text);font-size:var(--tf-text-md)}.estimate-grid{gap:var(--tf-page-gap);grid-template-columns:minmax(0,1.65fr) minmax(330px,.8fr);min-height:590px;display:grid}.drawing{border:1px solid var(--tf-border);border-radius:var(--tf-radius-lg);background:var(--tf-surface);min-width:0;box-shadow:var(--tf-shadow-sm);flex-direction:column;display:flex;overflow:hidden}.drawing__toolbar{justify-content:space-between;align-items:center;gap:var(--tf-space-3);min-height:58px;padding:0 var(--tf-card-pad);border-bottom:1px solid var(--tf-border);font-size:var(--tf-text-md);font-weight:var(--tf-weight-bold);display:flex}.drawing__canvas{min-height:500px;padding:var(--tf-space-5);background-color:var(--tf-surface-sunken);background-image:linear-gradient(var(--tf-hairline) 1px, transparent 1px), linear-gradient(90deg, var(--tf-hairline) 1px, transparent 1px);background-size:24px 24px;flex:1;place-items:center;display:grid;position:relative}.drawing__canvas>svg{filter:drop-shadow(0 10px 28px #11192014);width:100%;max-height:500px}.plan-wall,.plan-detail,.plan-takeoff,.plan-measure{fill:none;stroke-linecap:square;stroke-linejoin:miter}.plan-wall{stroke:var(--tf-text);stroke-width:8px}.plan-detail{stroke:var(--tf-text-muted);stroke-width:2px;stroke-dasharray:9 7}.plan-takeoff{stroke:var(--tf-primary);stroke-width:5px;stroke-dasharray:15 7}.plan-point{fill:var(--tf-primary);stroke:var(--tf-primary-fg);stroke-width:4px}.plan-measure{stroke:var(--tf-text-muted);stroke-width:1.5px}.plan-label,.plan-note,.plan-room{fill:var(--tf-text-muted);font-family:var(--tf-font-sans);text-anchor:middle}.plan-label,.plan-note{font-size:16px;font-weight:var(--tf-weight-semibold)}.plan-room{font-size:22px;font-weight:var(--tf-weight-black);letter-spacing:.14em}.drawing__legend{left:var(--tf-space-4);bottom:var(--tf-space-4);gap:var(--tf-space-3);padding:var(--tf-space-2) var(--tf-space-3);border:1px solid var(--tf-border);border-radius:var(--tf-radius-md);background:var(--tf-surface);box-shadow:var(--tf-shadow-md);color:var(--tf-text-muted);font-size:var(--tf-text-xs);font-weight:var(--tf-weight-semibold);flex-wrap:wrap;display:flex;position:absolute}.drawing__legend span{align-items:center;gap:6px;display:flex}.legend-line{border-top:3px dashed var(--tf-primary);width:18px}.legend-point{border-radius:var(--tf-radius-full);background:var(--tf-primary);width:8px;height:8px}.takeoff-panel{align-content:start;gap:var(--tf-page-gap);min-width:0;display:grid}.connection-form{gap:var(--tf-space-3);display:grid}.arcsite-link{width:fit-content;color:var(--tf-primary);font-size:var(--tf-text-sm);font-weight:var(--tf-weight-semibold);align-items:center;gap:6px;text-decoration:none;display:inline-flex}.arcsite-link:hover{text-decoration:underline}.line-list{display:grid}.line-item{justify-content:space-between;align-items:flex-start;gap:var(--tf-space-3);padding:var(--tf-space-3) 0;border-bottom:1px solid var(--tf-hairline);display:flex}.line-item:first-child{padding-top:0}.line-item>div{gap:2px;display:grid}.line-item strong{color:var(--tf-text);font-size:var(--tf-text-sm)}.line-item span{color:var(--tf-text-muted);font-size:var(--tf-text-xs)}.line-item__quantity{text-align:right;flex:none}.estimate-total{justify-content:space-between;align-items:baseline;gap:var(--tf-space-3);padding-top:var(--tf-space-4);display:flex}.estimate-total span{color:var(--tf-text-muted);font-size:var(--tf-text-sm);font-weight:var(--tf-weight-semibold)}.estimate-total strong{color:var(--tf-text);font-size:var(--tf-text-xl);font-weight:var(--tf-weight-black)}.empty-takeoff{align-content:center;place-items:center;gap:var(--tf-space-2);min-height:220px;padding:var(--tf-space-5);text-align:center;display:grid}.empty-takeoff__icon{border-radius:var(--tf-radius-full);width:42px;height:42px;color:var(--tf-primary);background:var(--tf-danger-bg);place-items:center;display:grid}.empty-takeoff p{max-width:34ch;color:var(--tf-text-muted);font-size:var(--tf-text-sm);margin:0}@media (width<=1024px){.app-shell{grid-template-columns:76px minmax(0,1fr)}.brand>span:last-child,.nav-item>span:first-child,.sidebar__footer>div{display:none}.brand,.nav-item,.sidebar__footer{justify-content:center;padding-inline:0}.estimate-grid{grid-template-columns:1fr}.takeoff-panel{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=640px){.app-shell{padding-bottom:68px;display:block}.sidebar{z-index:10;width:100%;height:68px;padding:var(--tf-space-2);display:block;position:fixed;inset:auto 0 0}.brand,.sidebar__footer{display:none}.sidebar nav{grid-template-columns:repeat(4,minmax(0,1fr));height:100%}.nav-item{min-height:52px}.nav-item>span:first-child{font-size:var(--tf-text-xs);display:block}.nav-count{display:none}.nav-item--active{box-shadow:inset 0 -3px 0 var(--tf-primary)}.demo-banner{align-items:flex-start}.context-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.context-strip div:nth-child(2){border-right:0}.context-strip div:nth-child(-n+2){border-bottom:1px solid var(--tf-hairline)}.drawing__canvas{min-height:360px;padding:var(--tf-space-2)}.drawing__legend{right:var(--tf-space-2);left:var(--tf-space-2);bottom:var(--tf-space-2)}.takeoff-panel{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}