:root{--bg:#0e1116;--panel:#161b22;--panel-2:#1c232c;--line:#262d38;--text:#e6edf3;--muted:#8b98a9;--accent:#5ea9ff;--accent-dim:#21364f;--good:#4ec98a;--warn:#e2b355;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;font-synthesis:none;-webkit-font-smoothing:antialiased;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);margin:0;font-size:14px;line-height:1.5;overflow:hidden}code{font-family:ui-monospace,SF Mono,Cascadia Code,Consolas,monospace;font-size:.92em}button,input,select{font:inherit;color:inherit}.app{flex-direction:column;height:100%;display:flex}.app-header{border-bottom:1px solid var(--line);background:var(--panel);flex:none;padding:12px 20px}.app-header>.brand-text p{margin:0}.app-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;display:flex}.brand{align-items:center;gap:14px;display:flex}.tool-switch{background:var(--panel-2);border:1px solid var(--line);border-radius:8px;gap:2px;padding:3px;display:flex}.row-remove{width:20px;color:var(--muted);cursor:pointer;background:0 0;border:none;flex:none;padding:0 0 6px;font-size:16px;line-height:1}.row-remove:disabled{opacity:0;cursor:default}.row-remove:hover:not(:disabled){color:var(--warn)}.logo{color:var(--text);--logo-accent:var(--accent);display:block}.brand-text h1{letter-spacing:-.01em;margin:0;font-size:16px}.app-header p{color:var(--muted);margin:0;font-size:12px}.app-body{flex:1;grid-template-columns:320px minmax(0,1fr) 320px;min-height:0;display:grid}.panel{background:var(--panel);padding:4px 0 32px;overflow-y:auto}.controls{border-right:1px solid var(--line)}.summary{border-left:1px solid var(--line)}.panel section{border-bottom:1px solid var(--line);padding:16px 18px}.panel h2{text-transform:uppercase;letter-spacing:.09em;color:var(--muted);margin:0 0 10px;font-size:11px;font-weight:600}.help,.hint{color:var(--muted);margin:8px 0 0;font-size:12px;line-height:1.45}.hint.over-limit{color:var(--warn)}.help{margin:-2px 0 12px}.coord-row{align-items:flex-end;gap:6px;margin-bottom:8px;display:flex}.coord-label{width:34px;color:var(--muted);padding-bottom:7px;font-size:12px}.coord-field{flex-direction:column;flex:1;gap:3px;min-width:0;display:flex}.coord-field span{color:var(--muted);letter-spacing:.06em;font-size:10px}input[type=number],input[type=text],select{background:var(--panel-2);border:1px solid var(--line);border-radius:6px;outline:none;width:100%;padding:6px 8px}input[type=number]:focus,input[type=text]:focus,select:focus{border-color:var(--accent)}.field{margin-top:12px;display:block}.field>span{color:var(--muted);justify-content:space-between;margin-bottom:5px;font-size:12px;display:flex}.field em{color:var(--text);font-style:normal}input[type=range]{width:100%;accent-color:var(--accent)}.checkbox{cursor:pointer;gap:9px;margin-top:14px;display:flex}.checkbox input{accent-color:var(--accent);margin-top:3px}.checkbox span{font-size:12.5px}.checkbox em{color:var(--muted);margin-top:2px;font-size:11.5px;font-style:normal;display:block}.button-row{gap:6px;margin-top:8px;display:flex}.chip{background:var(--panel-2);border:1px solid var(--line);cursor:pointer;border-radius:6px;padding:4px 10px;font-size:12px}.chip:hover{border-color:var(--accent)}.chip.active{background:var(--accent-dim);border-color:var(--accent);color:#fff}.link-button{color:var(--accent);cursor:pointer;background:0 0;border:none;margin-top:4px;padding:0;font-size:12px}.stage{background:#0a0d12;min-width:0;min-height:0;position:relative}.plan-view{position:absolute;inset:0;overflow:hidden}.plan-view canvas{cursor:grab;touch-action:none;display:block}.plan-view canvas:active{cursor:grabbing}.preview-3d{position:absolute;inset:0}.preview-3d canvas{touch-action:none;display:block}.view-tabs{border:1px solid var(--line);background:#0e1116db;border-radius:8px;gap:2px;padding:3px;display:flex;position:absolute;top:12px;left:50%;transform:translate(-50%)}.tab{color:var(--muted);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:4px 14px;font-size:12px}.tab:hover{color:var(--text)}.tab.active{background:var(--accent-dim);color:#fff}.plan-overlay{align-items:center;gap:10px;max-width:260px;display:flex;position:absolute;top:12px;left:12px}.scale-readout{color:var(--muted);font-size:11px}.plan-legend{color:var(--muted);align-items:center;gap:8px;font-size:11px;display:flex;position:absolute;top:12px;right:12px}.plan-legend .ramp{background:linear-gradient(90deg,#275c91,#3fc133,#d4855e);border-radius:4px;width:90px;height:8px}.plan-readout{border:1px solid var(--line);color:var(--muted);background:#0e1116db;border-radius:7px;flex-direction:column;gap:1px;padding:7px 11px;font-size:12px;display:flex;position:absolute;bottom:12px;left:12px}.plan-readout strong{color:var(--text);font-family:ui-monospace,Consolas,monospace;font-weight:600}.empty-state{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:6px;padding:40px;display:flex;position:absolute;inset:0}.empty-state h2{margin:0;font-size:15px}.empty-state p{max-width:380px;color:var(--muted);margin:0}.stat-grid{grid-template-columns:1fr 1fr;gap:10px;display:grid}.stat{background:var(--panel-2);border:1px solid var(--line);border-radius:8px;flex-direction:column;padding:9px 11px;display:flex}.stat-label{text-transform:uppercase;letter-spacing:.07em;color:var(--muted);font-size:10.5px}.stat-value{letter-spacing:-.01em;font-size:17px;font-weight:600}.stat-note{color:var(--muted);font-size:11px}.callout{background:var(--panel-2);border:1px solid var(--line);border-left:3px solid var(--muted);border-radius:6px;margin:0;padding:9px 11px;font-size:12.5px}.callout.good{border-left-color:var(--good)}.callout.warn{border-left-color:var(--warn)}.materials{flex-direction:column;gap:7px;margin:0;padding:0;list-style:none;display:flex}.materials li{background:var(--panel-2);border:1px solid var(--line);border-radius:7px;grid-template-columns:1fr auto;gap:2px 10px;padding:8px 11px;display:grid}.materials code{color:var(--text);overflow-wrap:anywhere}.materials span{font-weight:600}.materials em{color:var(--muted);grid-column:1/-1;font-size:11px;font-style:normal}@media (width<=1100px){body{overflow:auto}.app-body{grid-template-columns:1fr}.controls,.summary{border:none;border-bottom:1px solid var(--line)}.stage{height:60vh}}