:root{--bg: #eef0f3;--panel: #ffffff;--border: #e2e5ea;--border-strong: #cdd2da;--text: #1f2937;--muted: #6b7280;--accent: #4f46e5;--accent-hover: #4338ca;--accent-soft: #eef0fe;--warn-bg: #fef3c7;--warn-text: #92400e;--warn-border: #fcd34d;--danger: #dc2626;--danger-bg: #fee2e2;--ok-bg: #ecfdf5;--ok-text: #047857;--shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 4px 16px rgba(16, 24, 40, .1);--radius: 8px;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:13px;color:var(--text)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);-webkit-font-smoothing:antialiased;overscroll-behavior:none}button{font:inherit;color:inherit;background:none;border:none;padding:0;cursor:pointer}button:disabled{opacity:.45;cursor:default}input,select{font:inherit;color:inherit;background:#fff;border:1px solid var(--border-strong);border-radius:6px;padding:5px 8px;min-width:0;width:100%}input:focus-visible,select:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:1px}kbd{background:#f3f4f6;border:1px solid var(--border-strong);border-bottom-width:2px;border-radius:4px;padding:0 4px;font-size:11px;font-family:inherit}.muted{color:var(--muted)}.small{font-size:11.5px}.warn-text{color:var(--warn-text)}.app-shell{height:100%;display:flex;flex-direction:column}.boot-splash{height:100%;display:flex;align-items:center;justify-content:center;gap:8px;color:var(--muted);font-size:15px}.workspace{flex:1;display:flex;min-height:0;position:relative}.toolbar{display:flex;align-items:center;gap:6px;padding:0 10px;height:48px;background:var(--panel);border-bottom:1px solid var(--border);flex:none;z-index:20}.app-mark{font-size:13px;margin-right:2px;white-space:nowrap}.toolbar-group{display:flex;align-items:center;gap:4px}.toolbar-sep{width:1px;height:22px;background:var(--border);margin:0 4px}.toolbar-spacer{flex:1}.tb-btn{padding:5px 10px;border-radius:6px;white-space:nowrap;border:1px solid transparent}.tb-btn:not(:disabled):hover{background:#f3f4f6}.tb-btn.active{background:var(--accent-soft);color:var(--accent);border-color:#c7cdfb}.tb-btn.primary{background:var(--accent);color:#fff}.tb-btn.primary:not(:disabled):hover{background:var(--accent-hover)}.project-btn{max-width:220px;overflow:hidden;text-overflow:ellipsis;font-weight:600}.caret{color:var(--muted);font-size:10px}.tb-toggle{display:inline-flex;align-items:center;gap:5px;padding:5px 6px;border-radius:6px;cursor:pointer;-webkit-user-select:none;user-select:none;white-space:nowrap}.tb-toggle:hover{background:#f3f4f6}.tb-toggle.disabled{opacity:.45;cursor:default}.tb-toggle input{width:auto;margin:0;accent-color:var(--accent)}.tb-select{width:auto;padding:4px;border-color:var(--border)}.badge{padding:4px 9px;border-radius:999px;font-size:12px;white-space:nowrap;border:1px solid transparent}.badge-warn{background:var(--warn-bg);color:var(--warn-text);border-color:var(--warn-border)}.badge-warn:hover{filter:brightness(.97)}.badge-ok{background:var(--ok-bg);color:var(--ok-text);border-color:#a7f3d0}.menu-host{position:relative}.menu{position:absolute;top:calc(100% + 6px);right:0;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:5px;min-width:230px;z-index:50;display:flex;flex-direction:column}.project-menu{left:0;right:auto;min-width:290px;max-height:60vh;overflow:auto}.menu>button{text-align:left;padding:7px 9px;border-radius:6px;white-space:nowrap}.menu>button:hover{background:#f3f4f6}.menu-sep{height:1px;background:var(--border);margin:5px 2px}.menu-empty{padding:10px;color:var(--muted)}.menu-new{color:var(--accent);font-weight:600}.project-row{display:flex;align-items:center;gap:8px;padding:4px 6px;border-radius:6px}.project-row.current{background:var(--accent-soft)}.project-row:hover .icon-btn{opacity:1}.project-thumb{width:44px;height:33px;object-fit:cover;border-radius:4px;border:1px solid var(--border);background:#fff;flex:none}.project-thumb.placeholder{display:inline-block}.project-name{flex:1;display:flex;flex-direction:column;align-items:flex-start;gap:1px;text-align:left;padding:2px 0;overflow:hidden}.project-name>span:first-child{font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.project-when{font-size:11px;color:var(--muted)}.project-rename{flex:1}.icon-btn{opacity:.35;padding:4px;border-radius:5px;flex:none}.icon-btn:hover{background:#e5e7eb}.icon-btn.danger:hover{background:var(--danger-bg)}.banner{display:flex;align-items:center;justify-content:center;gap:12px;padding:6px 12px;font-size:12.5px;flex:none}.banner-warn{background:var(--warn-bg);color:var(--warn-text);border-bottom:1px solid var(--warn-border)}.banner-danger{background:var(--danger-bg);color:#991b1b;border-bottom:1px solid #fca5a5}.banner-dismiss{padding:2px 6px;border-radius:4px}.banner-dismiss:hover{background:#0000000f}.palette{width:218px;flex:none;background:var(--panel);border-right:1px solid var(--border);overflow-y:auto;padding:10px}.palette h3,.inspector h3{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:14px 0 6px}.palette section:first-child h3{margin-top:2px}.palette-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px}.palette-card{display:flex;flex-direction:column;align-items:center;gap:3px;padding:8px 4px 6px;border:1px solid var(--border);border-radius:var(--radius);background:#fff}.palette-card:hover{border-color:var(--accent);background:var(--accent-soft)}.palette-preview{width:38px;height:38px;display:flex;align-items:center;justify-content:center}.palette-preview>span{display:block;border:1px solid rgba(0,0,0,.25)}.palette-label{font-size:11.5px;line-height:1.15;text-align:center}.palette-dims{font-size:10px;color:var(--muted)}.canvas-host{flex:1;position:relative;overflow:hidden;background:radial-gradient(circle,#d5d9e0 1px,transparent 1px) 0 0 / 22px 22px,var(--bg);min-width:0}.canvas-hint{position:absolute;top:12px;left:50%;transform:translate(-50%);background:#1e293beb;color:#fff;padding:6px 14px;border-radius:999px;font-size:12.5px;pointer-events:none;white-space:nowrap;z-index:10}.canvas-hint kbd{background:#ffffff2e;border-color:#ffffff4d;color:#fff}.canvas-overlay-card{position:absolute;top:0;right:0;bottom:0;left:0;margin:auto;width:fit-content;height:fit-content;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 22px;text-align:center;z-index:10}.zoom-controls{position:absolute;right:14px;bottom:14px;display:flex;background:var(--panel);border:1px solid var(--border);border-radius:999px;box-shadow:var(--shadow);overflow:hidden;z-index:10}.zoom-controls button{padding:6px 11px;font-variant-numeric:tabular-nums}.zoom-controls button:hover{background:#f3f4f6}.zoom-controls button+button{border-left:1px solid var(--border)}.calib-popover{position:absolute;transform:translate(-50%);width:250px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:12px;z-index:30}.calib-popover-title{font-weight:600;margin-bottom:8px}.calib-popover-row{display:flex;gap:6px}.calib-popover-row select{width:64px}.calib-door-preset{margin-top:7px;font-size:12px;color:var(--accent)}.calib-door-preset:hover{text-decoration:underline}.calib-popover-error{margin-top:7px;color:var(--danger);font-size:12px}.calib-popover-actions{display:flex;justify-content:flex-end;gap:6px;margin-top:10px}.inspector{width:268px;flex:none;background:var(--panel);border-left:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden;animation:inspector-in .12s ease-out}.inspector-scroll{flex:1;overflow-y:auto}.inspector-bar{flex:none;display:flex;justify-content:flex-end;align-items:center;height:30px;padding:0 6px;border-bottom:1px solid var(--border)}.inspector-collapse{display:inline-flex;align-items:center;justify-content:center;width:26px;height:24px;border-radius:6px;font-size:17px;line-height:1;color:var(--muted)}.inspector-collapse:hover{background:#f3f4f6;color:var(--text)}.inspector-reopen{position:absolute;right:0;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;align-items:center;gap:4px;padding:12px 5px;background:var(--panel);border:1px solid var(--border);border-right:none;border-radius:var(--radius) 0 0 var(--radius);box-shadow:var(--shadow);color:var(--muted);z-index:15}.inspector-reopen:hover{background:#f3f4f6;color:var(--text)}.inspector-reopen-chevron{font-size:15px;line-height:1}.inspector-reopen-text{writing-mode:vertical-rl;font-size:11px;text-transform:uppercase;letter-spacing:.06em}@keyframes inspector-in{0%{opacity:0;transform:translate(8px)}to{opacity:1;transform:translate(0)}}.panel-body{padding:12px 14px 20px;display:flex;flex-direction:column;gap:11px}.panel-body h3{margin:0}.field{display:flex;flex-direction:column;gap:4px}.field-label{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}.field-row{display:flex;gap:8px}.field-row .field{flex:1}.size-readout{font-size:12px;color:var(--muted);margin-top:-5px;font-variant-numeric:tabular-nums}.num-input{position:relative;display:flex;align-items:center}.num-input input{padding-right:30px;font-variant-numeric:tabular-nums}.num-suffix{position:absolute;right:9px;color:var(--muted);font-size:11.5px;pointer-events:none}.check-row{display:flex;align-items:center;gap:7px;font-size:12.5px;cursor:pointer;-webkit-user-select:none;user-select:none}.check-row input{width:auto;margin:0;accent-color:var(--accent)}.rot-row{display:flex;gap:6px}.rot-row .num-input{flex:1}.swatches{display:flex;flex-wrap:wrap;gap:5px;align-items:center}.swatch{width:22px;height:22px;border-radius:6px;border:1px solid rgba(0,0,0,.15)}.swatch.active{outline:2px solid var(--accent);outline-offset:1px}.swatches input[type=color]{width:28px;height:24px;padding:1px;border-radius:6px}.swatch-tool{display:inline-flex;align-items:center;justify-content:center;width:28px;height:24px;padding:0;border-radius:6px;border:1px solid rgba(0,0,0,.15);background:var(--panel, #fff);color:var(--text, #1f2937);cursor:pointer}.swatch-tool:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.swatch-tool:disabled{opacity:.45;cursor:default}input[type=range]{padding:0;border:none;accent-color:var(--accent)}.btn-row{display:flex;gap:6px}.btn-row.spread>*{flex:1}.btn-primary,.btn-secondary,.btn-danger{padding:6px 12px;border-radius:6px;white-space:nowrap}.btn-primary{background:var(--accent);color:#fff}.btn-primary:not(:disabled):hover{background:var(--accent-hover)}.btn-primary.slim{padding:3px 10px}.btn-primary.big{padding:10px 22px;font-size:14px;font-weight:600}.btn-secondary{background:#fff;border:1px solid var(--border-strong)}.btn-secondary:not(:disabled):hover{background:#f3f4f6}.btn-danger{background:#fff;border:1px solid #fca5a5;color:var(--danger)}.btn-danger:not(:disabled):hover{background:var(--danger-bg)}.block{width:100%}.stack-sm{display:flex;flex-direction:column;gap:6px}.hint-box{background:#f8f9fb;border:1px solid var(--border);border-radius:var(--radius);padding:10px 12px;font-size:12px;color:var(--muted)}.hint-box ul{margin:6px 0 0;padding-left:16px;display:flex;flex-direction:column;gap:4px}.empty-state{flex:1;display:flex;align-items:center;justify-content:center;padding:24px;overflow:auto}.empty-card{max-width:460px;background:var(--panel);border:2px dashed var(--border-strong);border-radius:14px;padding:36px 40px;text-align:center;transition:border-color .15s,background .15s}.empty-card.drag-over{border-color:var(--accent);background:var(--accent-soft)}.empty-emoji{font-size:40px}.empty-card h1{margin:8px 0 4px;font-size:24px}.empty-tagline{color:var(--muted);margin:0 0 18px}.empty-steps{text-align:left;margin:18px auto 6px;padding-left:22px;display:flex;flex-direction:column;gap:6px;color:var(--text)}.toasts{position:fixed;bottom:18px;left:50%;transform:translate(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;z-index:100;pointer-events:none}.toast{pointer-events:auto;cursor:pointer;background:#1e293b;color:#fff;padding:9px 16px;border-radius:999px;box-shadow:var(--shadow);font-size:12.5px;max-width:560px;text-align:center;animation:toast-in .18s ease-out}.toast-error{background:#b91c1c}.toast-success{background:#047857}@keyframes toast-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}