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4px;font-size:13px;color:var(--text-mut);line-height:1.5}.welcome__body{display:flex;flex-direction:column;gap:14px;padding:18px}.welcome__note{font-size:11px;color:var(--text-mut);margin:0}.welcome__label{font-size:11px;color:var(--text-mut);margin-bottom:4px;display:block}.welcome__input{width:100%;padding:8px;border-radius:6px;border:1px solid var(--line-2);background:var(--panel-2);color:var(--text);font-family:var(--font-sans);font-size:12px;box-sizing:border-box}.welcome__input--narrow{width:140px}.welcome__callout{display:flex;align-items:flex-start;gap:9px;margin:0;padding:10px 11px;border-radius:6px;border:1px solid var(--line-2);background:var(--panel-2);font-size:11.5px;line-height:1.5;color:var(--text)}.welcome__callout-icon{display:flex;flex-shrink:0;color:var(--text-mut);margin-top:1px}.welcome__axes{display:flex;gap:10px}.welcome__axis{flex:1}.welcome__toggle{display:flex;align-items:center;gap:8px;font-size:12px}.welcome__plenum{display:block;margin-left:21px}.welcome__footer{display:flex;justify-content:flex-end;gap:8px;padding:12px 18px;border-top:1px solid var(--line)}.welcome__warn{display:flex;color:var(--danger)}.welcome__unit-field{position:relative;display:block}.welcome__unit-field:after{content:"ft";position:absolute;right:9px;top:50%;transform:translateY(-50%);font-size:11px;color:var(--text-mut);pointer-events:none}.welcome__input--unit{padding-right:26px}.welcome__hint{display:block;margin-top:4px;font-size:10.5px;line-height:1.35;color:var(--text-mut)}.viewport-canvas{position:absolute;inset:0;cursor:grab;background:var(--ink);isolation:isolate}.viewport-canvas:before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background:color-mix(in oklab,var(--text) 5%,transparent);-webkit-mask-image:url(/assets/kelly-systems-watermark-C_QEqP4g.svg);mask-image:url(/assets/kelly-systems-watermark-C_QEqP4g.svg);-webkit-mask-size:240px auto;mask-size:240px auto;-webkit-mask-repeat:repeat;mask-repeat:repeat;-webkit-mask-position:center;mask-position:center}.viewport-canvas--placing{cursor:crosshair}:root{--ink: #0B0E13;--ink-2: #0F131A;--panel: #161A21;--panel-2: #1C212B;--raised: #232936;--line: #2A3140;--line-2: #353D4E;--text: #E6E9EF;--text-mut: #8B95A7;--text-dim: #5A6373;--accent: oklch(.79 .15 157);--accent-2: oklch(.63 .15 157);--accent-bg: oklch(.79 .15 157 / .12);--warn: oklch(.78 .14 75);--danger: oklch(.7 .15 25);--ok: oklch(.78 .16 150);--font-sans: "Geist Variable", system-ui, -apple-system, sans-serif;--font-mono: var(--font-sans)}:root{--rail-drawer-w: 252px}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;background:#05070a;color:var(--text);font-family:var(--font-sans);font-size:13px;-webkit-font-smoothing:antialiased;overflow:hidden}body{background:var(--panel)}#root{width:100%;height:100%;display:flex;min-width:1200px;min-height:760px;background:var(--panel)}.app-shell{width:100%;height:100%;min-width:1200px;min-height:760px;overflow:hidden;background:var(--panel);display:flex;flex-direction:column;position:relative}.nosel{user-select:none;-webkit-user-select:none}.app-main{flex:1;display:flex;overflow:hidden;position:relative}.viewport-area{flex:1;position:relative;overflow:hidden;background:var(--ink)}.viewport-bottom{position:absolute;left:12px;right:12px;bottom:12px;z-index:6;display:flex;align-items:flex-end;justify-content:space-between;gap:12px;pointer-events:none}.topbtn{display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 14px;border-radius:7px;background:transparent;color:var(--text-mut);border:1px solid var(--line);font-family:var(--font-sans);font-size:14px;font-weight:500;cursor:pointer;transition:all .12s;white-space:nowrap;flex-shrink:0}.topbtn.icon{width:36px;padding:0;justify-content:center}.topbtn:hover{color:var(--text);border-color:var(--line-2);background:var(--panel-2)}.topbtn:disabled{opacity:.4;cursor:default;color:var(--text-mut);border-color:var(--line);background:transparent}.topbtn.active,.topbtn.accent{background:color-mix(in oklab,var(--accent) 18%,transparent);color:var(--accent);border-color:color-mix(in oklab,var(--accent) 35%,transparent)}.topbtn.active:hover,.topbtn.accent:hover:not(:disabled){background:color-mix(in oklab,var(--accent) 26%,transparent);color:#fff}.topbtn.accent:disabled{background:transparent;color:var(--text-mut);border-color:var(--line)}.topbtn.primary{background:var(--accent);border-color:transparent;color:#04120b;font-weight:600}.topbtn.danger{background:var(--danger);border-color:transparent;color:#0b0e13;font-weight:600}.ready-pulse{animation:ready-pulse 1.1s ease-out infinite}@keyframes ready-pulse{0%,to{outline:2px solid transparent;outline-offset:0}40%{outline:2px solid color-mix(in oklab,var(--accent) 45%,transparent);outline-offset:3px}}@media(prefers-reduced-motion:reduce){.ready-pulse{animation:none}}.field-heading{display:block;margin-bottom:6px;font-size:13px;font-weight:600;color:var(--text)}.icon-btn{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:6px;color:var(--text-mut);background:transparent;border:1px solid transparent;cursor:pointer}.icon-btn:hover{color:var(--text);background:var(--panel-2)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:#2a3140;border-radius:8px;border:2px solid transparent;background-clip:padding-box}::-webkit-scrollbar-thumb:hover{background:#3a4356;background-clip:padding-box;border:2px solid transparent}::-webkit-scrollbar-track{background:transparent}