:root{--bg:#0b1015;--bg-2:#10161c;--panel:#141b22;--panel-2:#1a222b;--border:#2a343f;--border-2:#3a4654;--text:#e6edf3;--muted:#8b98a6;--dim:#5c6b78;--accent:#3d9cf0;--accent-2:#2a7ec9;--plane:#3ecf8e;--cyl:#f0a03d;--line:#e8d45a;--point:#ff6b8a;--danger:#e24b4b;--ok:#3ecf8e;--shadow:0 8px 28px #00000059;--mono:ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;--sans:"Segoe UI", "Helvetica Neue", ui-sans-serif, system-ui, sans-serif}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;color:var(--text);font:13px/1.35 var(--sans);margin:0}button,input,select{font:inherit;color:inherit}button{cursor:pointer}#app{grid-template-rows:auto minmax(0,1fr) 28px;grid-template-columns:250px minmax(0,1fr) 300px;height:100%;display:grid}header.app-bar{border-bottom:1px solid var(--border);-webkit-user-select:none;user-select:none;background:linear-gradient(#171f28,#121920);flex-wrap:wrap;grid-column:1/-1;align-items:center;gap:6px 10px;min-height:48px;padding:6px 12px;display:flex}.brand{flex:0 auto;align-items:baseline;gap:8px;display:flex}.brand strong{letter-spacing:.04em;font-size:14px}.brand-link{color:inherit;text-decoration:none}.brand-link:hover{color:var(--accent)}.brand span{color:var(--muted);font-size:11px}.header-links{align-items:center;gap:6px;margin-left:auto;display:flex}.header-links a.btn{text-decoration:none}.donate-link{color:var(--plane);background:#1c3a28;border-color:#2a5c44}.donate-link:hover{border-color:var(--plane);color:#d8ffe8;background:#234a33}.local-pill{letter-spacing:.06em;text-transform:uppercase;color:var(--plane);background:#123326;border:1px solid #2a5c44;border-radius:999px;padding:2px 7px;font-size:10px}.toolbar{flex-wrap:wrap;flex:36rem;align-items:center;gap:4px 0;min-width:0;display:flex;overflow:visible}.tb-group{border-left:1px solid var(--border);flex-wrap:wrap;flex:0 auto;align-items:center;gap:3px;max-width:100%;padding:2px 8px;display:flex}.tb-group:first-of-type{border-left:none}.tb-label{color:var(--dim);text-transform:uppercase;letter-spacing:.08em;margin-right:4px;font-size:10px}.btn{background:var(--panel-2);border:1px solid var(--border);color:var(--text);white-space:nowrap;border-radius:4px;padding:5px 9px}.btn:hover{border-color:var(--border-2);background:#202a35}.btn:active{transform:translateY(1px)}.btn.active{border-color:var(--accent);color:#d6ecff;background:#1c3a56}.btn.primary{background:var(--accent-2);border-color:#3d8fd4}.btn.danger{color:#f0b4b4;border-color:#5a3030}.btn.danger:hover{border-color:var(--danger);color:#fff;background:#3a1c1c}.btn.primary:hover{background:var(--accent)}.btn.ghost{background:0 0}.btn:disabled{opacity:.4;cursor:default}aside.tree,aside.props{background:var(--panel);border-right:1px solid var(--border);flex-direction:column;min-height:0;display:flex}aside.props{border-right:none;border-left:1px solid var(--border)}.panel-h{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:8px 12px;font-size:11px;display:flex}.panel-body{flex:1;padding:8px;overflow:auto}.tree-section{margin-bottom:10px}.tree-section h3{letter-spacing:.1em;text-transform:uppercase;color:var(--dim);margin:0 0 4px;font-size:10px;font-weight:600}.tree-item{cursor:pointer;border-radius:4px;grid-template-columns:16px 12px 1fr 16px;align-items:center;gap:6px;padding:4px 6px;display:grid}.tree-item:hover{background:#1c2630}.tree-item.selected{background:#1c3a56}.swatch{border-radius:2px;width:10px;height:10px}.eye{color:var(--dim);background:0 0;border:none;padding:0;font-size:12px}.eye.off{color:#3a4654}.icon-x{width:22px;height:22px;color:var(--danger);background:0 0;border:none;border-radius:4px;flex:none;justify-content:center;align-items:center;padding:0;display:inline-flex}.icon-x svg{display:block}.icon-x:hover{color:#ff7a7a;background:#3a1c1c}.icon-x:active{transform:none}.tree-item .icon-x{opacity:.55;width:16px;height:16px}.tree-item .icon-x svg{width:11px;height:11px}.tree-item:hover .icon-x,.tree-item.selected .icon-x{opacity:1}#viewport.mode-navigate canvas{cursor:grab}#viewport.mode-navigate.is-dragging canvas{cursor:grabbing}#viewport.mode-brush canvas,#viewport.mode-box canvas{cursor:crosshair}#viewport.mode-flood canvas{cursor:cell}#viewport.cursor-resize canvas{cursor:nwse-resize}#viewport.cursor-move canvas{cursor:move}.empty-hint{color:var(--dim);padding:8px;font-size:12px}#viewport{background:radial-gradient(1200px 800px at 70% 20%, #121a22, var(--bg));position:relative;overflow:hidden}#viewport canvas{touch-action:none;width:100%;height:100%;display:block}.drop-mask{pointer-events:none;color:var(--muted);text-align:center;background:radial-gradient(#0b101533,#0b10158c);flex-direction:column;justify-content:center;align-items:center;gap:10px;display:flex;position:absolute;inset:0}.drop-mask h1{color:var(--text);margin:0;font-size:22px;font-weight:600}.drop-mask p{max-width:420px;margin:0}.drop-mask .row{pointer-events:auto;gap:8px;margin-top:8px;display:flex}.drop-mask.hidden{display:none}#viewport.dragover{outline:2px dashed var(--accent);outline-offset:-8px}.hud{pointer-events:none;gap:8px;display:flex;position:absolute;top:12px;left:12px}.hud-chip{border:1px solid var(--border);color:var(--muted);background:#10161cc7;border-radius:4px;padding:4px 8px;font-size:11px}.legend{border:1px solid var(--border);background:#10161cd1;border-radius:4px;min-width:140px;padding:8px 10px;font-size:11px;display:none;position:absolute;bottom:12px;right:12px}.legend.on{display:block}.legend-bar{background:linear-gradient(90deg,#3d7cff,#7a7f88,#e24b4b);border-radius:4px;height:8px;margin:6px 0 4px}.legend-scale{color:var(--muted);font-family:var(--mono);justify-content:space-between;font-size:10px;display:flex}.box-select{border:1px solid var(--accent);pointer-events:none;background:#3d9cf01f;display:none;position:absolute}footer.status{border-top:1px solid var(--border);color:var(--muted);font-size:11px;font-family:var(--mono);background:#0e141a;grid-column:1/-1;align-items:center;gap:14px;padding:0 12px;display:flex}footer.status .ok{color:var(--ok)}footer.status .err{color:var(--danger)}.kv{grid-template-columns:92px 1fr;gap:4px 8px;margin-bottom:10px;font-size:12px;display:grid}.kv dt{color:var(--muted)}.kv dd{font-family:var(--mono);overflow-wrap:anywhere;margin:0}.eq{font-family:var(--mono);border:1px solid var(--border);background:#0e141a;border-radius:4px;margin:0 0 10px;padding:8px;font-size:11px}.field{flex-direction:column;gap:4px;margin-bottom:10px;display:flex}.field label{color:var(--muted);font-size:11px}.field input[type=range]{width:100%;accent-color:var(--accent)}.field input[type=number],.field input[type=text],.field select{border:1px solid var(--border);background:#0e141a;border-radius:4px;padding:5px 7px}.field .row{align-items:center;gap:6px;display:flex}.actions{flex-wrap:wrap;gap:6px;margin:8px 0 12px;display:flex}.help{color:var(--dim);font-size:11px;line-height:1.45}.modal-back{z-index:20;background:#00000073;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal{background:var(--panel);border:1px solid var(--border);width:min(460px,100vw - 24px);box-shadow:var(--shadow);border-radius:8px;padding:16px}.modal h2{margin:0 0 8px;font-size:16px}.modal .actions{justify-content:flex-end;margin-top:14px}.toast{border:1px solid var(--border);z-index:30;box-shadow:var(--shadow);background:#1a222b;border-radius:6px;max-width:70vw;padding:8px 14px;position:fixed;bottom:42px;left:50%;transform:translate(-50%)}.align-slots{flex-direction:column;gap:8px;display:flex}.slot{border:1px solid var(--border);background:#0e141a;border-radius:4px;padding:8px}.slot header{color:var(--muted);justify-content:space-between;margin-bottom:4px;font-size:11px;display:flex}.slot .axis{color:var(--accent);font-family:var(--mono)}.menu{background:var(--panel-2);border:1px solid var(--border);min-width:200px;box-shadow:var(--shadow);z-index:15;border-radius:6px;padding:4px;position:absolute}.menu button{text-align:left;background:0 0;border:none;border-radius:4px;width:100%;padding:7px 10px;display:block}.menu button:hover{background:#24303c}.menu .sep{background:var(--border);height:1px;margin:4px 6px}kbd{font-family:var(--mono);border:1px solid var(--border);color:var(--muted);border-radius:3px;padding:0 4px;font-size:10px}@media (width<=980px){#app{grid-template-columns:200px minmax(0,1fr) 220px}}@media (width<=720px){.toolbar{flex-basis:100%}}