:root{--paper: #f0eeea;--panel: #fbfaf8;--panel-sunk: #f4f2ee;--ink: #1a1f26;--ink-soft: #565c65;--ink-faint: #8a9099;--rule: #dbd6ce;--rule-soft: #e8e4dd;--blueprint: #2c5d8f;--blueprint-soft: #e4ecf4;--sidebar: 320px;color-scheme:light;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:13px;color:var(--ink)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--paper);overflow:hidden}.num{font-variant-numeric:tabular-nums}.app{display:grid;grid-template-rows:48px 1fr;grid-template-columns:var(--sidebar) 1fr;grid-template-areas:"bar bar" "side view";height:100%}.app.collapsed{grid-template-columns:0 1fr}.toolbar{grid-area:bar;display:flex;align-items:center;gap:14px;padding:0 14px;background:var(--panel);border-bottom:1px solid var(--rule)}.toolbar h1{font-size:13px;font-weight:600;letter-spacing:.01em;margin:0;white-space:nowrap}.toolbar .spacer{flex:1}.segmented{display:inline-flex;border:1px solid var(--rule);border-radius:3px;overflow:hidden;background:var(--panel-sunk)}.segmented button{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:transparent;padding:5px 11px;font:inherit;font-size:12px;color:var(--ink-soft);cursor:pointer;border-right:1px solid var(--rule-soft)}.segmented button:last-child{border-right:0}.segmented button:hover{color:var(--ink);background:#fff}.segmented button[aria-pressed=true]{background:var(--blueprint);color:#fff}button.ghost{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:var(--panel);border:1px solid var(--rule);border-radius:3px;padding:5px 11px;font:inherit;font-size:12px;color:var(--ink);cursor:pointer}button.ghost:hover{border-color:var(--ink-faint);background:#fff}button.ghost:active{background:var(--panel-sunk)}button.ghost:disabled{color:var(--ink-faint);cursor:default}button.ghost.danger{color:#8d3722}button.ghost.danger:hover{border-color:#c58a77;background:#fdf6f4}.sidebar{grid-area:side;display:grid;grid-template-columns:56px 1fr;background:var(--panel);border-right:1px solid var(--rule);min-height:0}.app.collapsed .sidebar{display:none}.rail{display:flex;flex-direction:column;gap:2px;padding:8px 6px;background:var(--panel-sunk);border-right:1px solid var(--rule-soft);overflow-y:auto}.rail-item{-webkit-appearance:none;-moz-appearance:none;appearance:none;display:flex;flex-direction:column;align-items:center;gap:3px;padding:7px 2px 6px;border:0;border-radius:5px;background:transparent;color:var(--ink-faint);font:inherit;cursor:pointer;transition:background .12s ease,color .12s ease}.rail-item:hover{background:#fff;color:var(--ink-soft)}.rail-item[aria-pressed=true]{background:var(--blueprint);color:#fff}.rail-item:focus-visible{outline:none;box-shadow:0 0 0 2px var(--blueprint-soft),0 0 0 3px var(--blueprint)}.rail-label{font-size:9px;letter-spacing:.02em;line-height:1}.panel{display:grid;grid-template-rows:auto 1fr;min-height:0}.panel-head{padding:12px 14px 10px;font-size:13px;font-weight:650;letter-spacing:.01em;color:var(--ink);border-bottom:1px solid var(--rule-soft)}.panel-body{overflow-y:auto;overflow-x:hidden;padding:4px 14px 28px}.block{padding:12px 0 4px}.block+.block{border-top:1px solid var(--rule-soft)}.block-title{margin:0 0 2px;font-size:10px;font-weight:650;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-faint)}.field{margin:10px 0 0}.field:first-child{margin-top:4px}.field .row{display:flex;align-items:baseline;justify-content:space-between;gap:8px;margin-bottom:5px}.field label{color:var(--ink-soft);font-size:12px}.field .value{display:flex;align-items:baseline;gap:3px}.field input[type=number]{width:58px;text-align:right;font:inherit;font-size:12px;font-variant-numeric:tabular-nums;color:var(--ink);background:var(--panel-sunk);border:1px solid var(--rule);border-radius:2px;padding:2px 4px;-moz-appearance:textfield}.field input[type=number]::-webkit-outer-spin-button,.field input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.field input[type=number]:focus-visible{outline:none;border-color:var(--blueprint);background:#fff}.field .unit{color:var(--ink-faint);font-size:11px}.field .hint{margin-top:4px;font-size:11px;color:var(--ink-faint);line-height:1.35}.field .hint.snap{color:var(--blueprint)}input[type=range]{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:16px;background:transparent;cursor:pointer;display:block}input[type=range]::-webkit-slider-runnable-track{height:2px;background:var(--rule);border-radius:1px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:12px;height:12px;margin-top:-5px;border-radius:50%;background:var(--panel);border:1.5px solid var(--ink-soft)}input[type=range]:hover::-webkit-slider-thumb{border-color:var(--blueprint)}input[type=range]:focus-visible::-webkit-slider-thumb{border-color:var(--blueprint);box-shadow:0 0 0 3px var(--blueprint-soft)}input[type=range]::-moz-range-track{height:2px;background:var(--rule)}input[type=range]::-moz-range-thumb{width:11px;height:11px;border-radius:50%;background:var(--panel);border:1.5px solid var(--ink-soft)}select{width:100%;font:inherit;font-size:12px;color:var(--ink);background:var(--panel-sunk);border:1px solid var(--rule);border-radius:2px;padding:4px 5px}select:focus-visible{outline:none;border-color:var(--blueprint);background:#fff}.chips{display:flex;flex-wrap:wrap;gap:4px}.chips button{-webkit-appearance:none;-moz-appearance:none;appearance:none;flex:1 1 auto;min-width:62px;background:var(--panel-sunk);border:1px solid var(--rule);border-radius:2px;padding:5px 6px;font:inherit;font-size:12px;color:var(--ink-soft);cursor:pointer}.chips button:hover{background:#fff;color:var(--ink)}.chips button[aria-pressed=true]{background:var(--blueprint);border-color:var(--blueprint);color:#fff}.stack{display:flex;flex-direction:column;gap:6px;margin-top:10px}.stack .pair{display:flex;gap:6px}.stack .pair>*{flex:1}.viewport{grid-area:view;position:relative;min-width:0}.viewport canvas{display:block}.metrics{position:absolute;left:16px;bottom:16px;background:#fbfaf8ed;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border:1px solid var(--rule);border-radius:3px;padding:11px 13px;width:244px;box-shadow:0 1px 3px #14181e12}.metrics .head{font-size:12px;font-weight:600;padding-bottom:7px;margin-bottom:7px;border-bottom:1px solid var(--rule-soft);display:flex;justify-content:space-between;gap:10px}.metrics dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:3px 14px}.metrics dt{color:var(--ink-soft);font-size:12px}.metrics dd{margin:0;text-align:right;font-variant-numeric:tabular-nums;font-size:12px}.metrics dd small{color:var(--ink-faint);font-size:10.5px}.metrics .foot{margin-top:8px;padding-top:7px;border-top:1px solid var(--rule-soft);font-size:10.5px;color:var(--ink-faint);line-height:1.4}.selection{position:absolute;right:16px;top:16px;width:250px;background:#fbfaf8f2;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border:1px solid var(--rule);border-radius:3px;padding:11px 13px;box-shadow:0 1px 3px #14181e12}.selection .head{display:flex;align-items:center;justify-content:space-between;font-size:12px;font-weight:600;margin-bottom:4px}.selection .head button{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:none;border:0;color:var(--ink-faint);cursor:pointer;font-size:15px;line-height:1;padding:0 2px}.selection .head button:hover{color:var(--ink)}.selection .sub{font-size:11px;color:var(--ink-faint);margin-bottom:6px}.hintbar{position:absolute;left:16px;top:16px;font-size:11px;color:var(--ink-faint);background:#fbfaf8cc;border:1px solid var(--rule-soft);border-radius:999px;padding:4px 12px;pointer-events:none}@media (max-width: 900px){.app,.app.collapsed{grid-template-columns:1fr;grid-template-rows:48px 1fr auto;grid-template-areas:"bar" "view" "side"}.sidebar{border-right:0;border-top:1px solid var(--rule);max-height:52vh;box-shadow:0 -2px 8px #14181e14;grid-template-columns:1fr;grid-template-rows:auto 1fr}.rail{flex-direction:row;justify-content:space-between;border-right:0;border-bottom:1px solid var(--rule-soft);padding:6px 8px;overflow-x:auto}.rail-item{flex:1 1 0;min-width:52px}.panel-head,.app.collapsed .sidebar{display:none}.metrics{left:10px;bottom:10px;width:auto;max-width:min(260px,calc(100% - 20px));padding:8px 11px}.metrics .foot{display:none}.metrics dl{gap:2px 12px}.selection{right:10px;top:10px;width:210px}.hintbar{display:none}}@media (max-width: 700px){.toolbar{gap:8px;padding:0 8px}.toolbar h1,.toolbar .label{display:none}.segmented button{padding:5px 8px}}@media (prefers-reduced-motion: reduce){*{transition:none!important;animation:none!important}}.buildings{list-style:none;margin:4px 0 0;padding:0;border:1px solid var(--rule);border-radius:2px;overflow:hidden;background:var(--panel-sunk)}.buildings li+li{border-top:1px solid var(--rule-soft)}.buildings .pick{-webkit-appearance:none;-moz-appearance:none;appearance:none;display:flex;align-items:baseline;justify-content:space-between;gap:8px;width:100%;padding:6px 8px;border:0;background:transparent;font:inherit;font-size:12px;color:var(--ink-soft);cursor:pointer;text-align:left}.buildings .pick:hover{background:#fff;color:var(--ink)}.buildings li.selected .pick{background:var(--blueprint-soft);color:var(--ink);font-weight:600;box-shadow:inset 2px 0 0 var(--blueprint)}.buildings .meta{color:var(--ink-faint);font-size:11px;white-space:nowrap}.buildings .name{display:inline-flex;align-items:center;gap:5px}.warn{display:inline-flex;align-items:center;justify-content:center;width:13px;height:13px;border-radius:50%;background:#b4432c;color:#fff;font-size:9px;font-weight:700;line-height:1}.field input.text{width:100%;font:inherit;font-size:12px;color:var(--ink);background:var(--panel-sunk);border:1px solid var(--rule);border-radius:2px;padding:3px 5px}.field input.text:focus-visible{outline:none;border-color:var(--blueprint);background:#fff}.field .value input[type=number]+input[type=number]{margin-left:4px;width:52px}.metrics .foot.warn-block{color:#8d3722;border-top-color:#e3c6bd}.metrics .foot.warn-block div{margin-bottom:2px}.field .hint.error{color:#8d3722;margin-top:6px}.hintbar.drawing{color:var(--blueprint);border-color:var(--blueprint);background:#e4ecf4eb}.dropzone{position:absolute;top:10px;right:10px;bottom:10px;left:10px;display:flex;align-items:center;justify-content:center;border:2px dashed var(--blueprint);border-radius:4px;background:#e4ecf48c;color:var(--blueprint);font-size:13px;font-weight:600;pointer-events:none}.droperror{position:absolute;left:50%;bottom:16px;transform:translate(-50%);max-width:80%;-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid #d8b4a8;background:#fdf3f0;color:#8d3722;border-radius:3px;padding:6px 12px;font:inherit;font-size:11px;cursor:pointer}.brand{display:inline-flex;align-items:baseline;gap:8px}.brand-mark{display:inline-flex;align-self:center;color:var(--blueprint)}.brand-name{font-size:15px;font-weight:650;letter-spacing:.08em;color:var(--ink)}.brand-tag{font-size:11px;font-weight:400;letter-spacing:.01em;color:var(--ink-faint);white-space:nowrap}@media (max-width: 700px){.brand-tag{display:none}.toolbar h1{display:inline-flex}.brand-name{font-size:14px}}.modal-scrim{position:fixed;top:0;right:0;bottom:0;left:0;background:#1a1f2661;display:flex;align-items:center;justify-content:center;z-index:40;padding:16px}.picker{background:var(--panel);border:1px solid var(--rule);border-radius:4px;box-shadow:0 12px 40px #1a1f2638;width:min(620px,100%);max-height:100%;overflow:auto;padding:14px}.picker-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.picker-head strong{font-size:13px;font-weight:600}.picker-search{display:flex;gap:6px;margin-bottom:8px}.picker-search .text{flex:1}.picker-note{margin-bottom:8px}.picker-results{list-style:none;margin:0 0 8px;padding:0;max-height:132px;overflow:auto;border:1px solid var(--rule-soft);border-radius:3px}.picker-results button{display:block;width:100%;text-align:left;background:none;border:0;border-bottom:1px solid var(--rule-soft);padding:6px 8px;font:inherit;font-size:11px;color:var(--ink-soft);cursor:pointer}.picker-results li:last-child button{border-bottom:0}.picker-results button:hover{background:var(--blueprint-soft);color:var(--ink)}.picker-map{position:relative;height:320px;overflow:hidden;background:var(--panel-sunk);border:1px solid var(--rule);border-radius:3px;cursor:grab;touch-action:none;-webkit-user-select:none;user-select:none}.picker-map:active{cursor:grabbing}.picker-map img{position:absolute;display:block;pointer-events:none}.picker-extent{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);border:1.5px solid var(--blueprint);background:#2c5d8f1a;pointer-events:none}.picker-cross{position:absolute;left:50%;top:50%;width:18px;height:18px;margin:-9px 0 0 -9px;pointer-events:none;background:linear-gradient(var(--blueprint),var(--blueprint)) center / 1.5px 100% no-repeat,linear-gradient(var(--blueprint),var(--blueprint)) center / 100% 1.5px no-repeat}.picker-zoom{position:absolute;top:8px;right:8px;display:flex;flex-direction:column;gap:4px}.picker-zoom button{width:26px;height:26px;padding:0;background:var(--panel);line-height:1}.picker-credit{position:absolute;right:0;bottom:0;font-size:10px;color:var(--ink-soft);background:#fbfaf8db;padding:2px 5px;pointer-events:none}.picker-foot{margin-top:10px}.picker-actions{display:flex;align-items:center;gap:6px;margin-top:8px}.picker-coords{flex:1;font-size:11px;color:var(--ink-faint)}.ghost.primary{background:var(--blueprint);border-color:var(--blueprint);color:#fff}.ghost.primary:hover{background:#24507b;border-color:#24507b}@media (max-width: 700px){.picker-map{height:240px}}.field .value input[type=number].narrow{width:44px}table.mix{width:100%;border-collapse:collapse;font-size:11px;font-variant-numeric:tabular-nums}table.mix th{text-align:right;font-weight:500;color:var(--ink-faint);padding:0 0 4px;border-bottom:1px solid var(--rule)}table.mix th:first-child,table.mix td:first-child{text-align:left}table.mix td{text-align:right;padding:3px 0;color:var(--ink)}table.mix td small{color:var(--ink-faint)}.drawing-preview{background:#fff;border:1px solid var(--rule);border-radius:2px;padding:4px;overflow:hidden}.drawing-preview svg{display:block;width:100%;height:auto;max-height:260px}.options{position:relative}.option-button{display:flex;align-items:baseline;gap:6px;padding:3px 8px}.option-name{font-weight:500}.option-count{color:var(--ink-faint);font-size:11px;font-variant-numeric:tabular-nums}.option-caret{color:var(--ink-faint);font-size:10px}.option-menu{position:absolute;top:calc(100% + 4px);right:0;z-index:40;min-width:296px;background:var(--panel);border:1px solid var(--rule);border-radius:3px;box-shadow:0 6px 18px #141e2824;padding:4px}.option-row{display:flex;align-items:stretch;gap:2px;border-radius:2px}.option-row.current{background:var(--panel-sunk)}.option-row .text{flex:1;margin:2px}.option-pick{flex:1;display:flex;align-items:center;gap:8px;background:none;border:0;border-radius:2px;padding:5px 7px;font:inherit;font-size:12px;color:var(--ink);text-align:left;cursor:pointer}.option-pick:hover{background:var(--panel-sunk)}.option-row.current .option-label{font-weight:500}.option-meta{flex:none;white-space:nowrap;color:var(--ink-faint);font-size:11px;font-variant-numeric:tabular-nums}.option-edit{background:none;border:0;border-radius:2px;padding:0 6px;font:inherit;font-size:12px;color:var(--ink-faint);cursor:pointer}.option-edit:hover:not(:disabled){background:var(--panel-sunk);color:var(--ink)}.option-edit:disabled{opacity:.35;cursor:default}.option-actions{display:flex;flex-direction:column;gap:2px;margin-top:4px;padding-top:4px;border-top:1px solid var(--rule)}.option-actions button{background:none;border:0;border-radius:2px;padding:5px 7px;font:inherit;font-size:12px;color:var(--ink);text-align:left;cursor:pointer}.option-actions button:hover{background:var(--panel-sunk)}.option-note{padding:5px 7px 2px;font-size:11px;line-height:1.35;color:var(--ink-faint)}@media (max-width: 560px){.option-name{max-width:84px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.option-count{display:none}}.option-thumb{flex:none;width:56px;height:42px;border:1px solid var(--rule);border-radius:2px;object-fit:cover;background:var(--panel-sunk)}.option-thumb.empty{display:block}.option-text{flex:1;display:flex;align-items:baseline;justify-content:space-between;gap:8px;min-width:0}.option-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.field .row.edge-row{margin-top:4px;padding-left:10px;border-left:1px solid var(--rule)}.field .row.edge-row label{color:var(--ink-faint);font-size:11px}