:root{--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--bg-color:#f8fafc;--panel-bg:#ffffffe0;--panel-border:#e2e8f0cc;--text-color:#0f172a;--text-muted:#64748b;--primary-color:#2563eb;--primary-hover:#1d4ed8;--accent-color:#3b82f6;--danger-color:#ef4444;--canvas-bg:#f8fafc;--grid-color:#cbd5e1;--selection-color:#2563eb;--handle-color:#fff;--handle-border:#2563eb;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -1px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -2px #0000000d;--glass-blur:blur(12px);--radius-sm:6px;--radius-md:10px;--radius-lg:16px}[data-theme=dark]{--bg-color:#0f172a;--panel-bg:#1e293be0;--panel-border:#334155cc;--text-color:#f8fafc;--text-muted:#94a3b8;--primary-color:#3b82f6;--primary-hover:#60a5fa;--accent-color:#60a5fa;--danger-color:#f87171;--canvas-bg:#0f172a;--grid-color:#334155;--selection-color:#60a5fa;--handle-color:#1e293b;--handle-border:#60a5fa}[data-theme=greenboard]{--bg-color:#1b3b2b;--panel-bg:#163526e0;--panel-border:#2d5a43cc;--text-color:#f1f5f9;--text-muted:#a7f3d0;--primary-color:#10b981;--primary-hover:#34d399;--accent-color:#34d399;--danger-color:#f87171;--canvas-bg:#1b3b2b;--grid-color:#2d5a43;--selection-color:#34d399;--handle-color:#163526;--handle-border:#34d399}*{box-sizing:border-box;-webkit-user-select:none;user-select:none;margin:0;padding:0}body,html{width:100%;height:100%;font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-color);overflow:hidden}#app{width:100vw;height:100vh;position:relative;overflow:hidden}#canvas{cursor:crosshair;width:100%;height:100%;display:block}.toolbar{background:var(--panel-bg);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--panel-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);z-index:10;align-items:center;gap:6px;padding:6px 10px;display:flex;position:absolute;bottom:20px;left:50%;transform:translate(-50%)}.top-left-controls{z-index:10;align-items:center;gap:10px;display:flex;position:absolute;top:16px;left:16px}.tool-btn{border-radius:var(--radius-md);width:38px;height:38px;color:var(--text-color);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;font-size:18px;transition:all .15s;display:inline-flex}.tool-btn:hover{background:#94a3b833}.tool-btn.active{background:var(--primary-color);color:#fff}.separator{background:var(--panel-border);width:1px;height:24px;margin:0 4px}.shape-picker-wrapper{position:relative}.shape-picker-popover{background:var(--panel-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:1px solid var(--panel-border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);z-index:20;padding:8px;display:none;position:absolute;bottom:52px;left:50%;transform:translate(-50%)}.shape-picker-popover.open{display:block}.shape-grid{grid-template-columns:repeat(2,1fr);gap:6px;width:220px;display:grid}.shape-option{border-radius:var(--radius-sm);color:var(--text-color);cursor:pointer;text-align:left;background:0 0;border:1px solid #0000;align-items:center;gap:8px;padding:8px;font-size:13px;font-weight:500;display:flex}.shape-option:hover{border-color:var(--panel-border);background:#94a3b833}.shape-option.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}.context-inspector{background:var(--panel-bg);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--panel-border);z-index:10;border-radius:24px;align-items:center;gap:8px;padding:5px 12px;display:none;position:absolute;top:16px;left:50%;transform:translate(-50%);box-shadow:0 10px 25px -5px #00000040}.context-inspector.visible{display:flex}.inspector-group{color:var(--text-color);align-items:center;gap:6px;font-size:12px;font-weight:500;display:flex}.inspector-icon-label{opacity:.85;font-size:13px}.inspector-color-picker{appearance:none;border:1.5px solid var(--panel-border);cursor:pointer;background:0 0;border-radius:50%;width:22px;height:22px;padding:0;transition:transform .15s;overflow:hidden}.inspector-color-picker:hover{transform:scale(1.1)}.inspector-color-picker::-webkit-color-swatch-wrapper{padding:0}.inspector-color-picker::-webkit-color-swatch{border:none;border-radius:50%}.inspector-select{border:1px solid var(--panel-border);color:var(--text-color);cursor:pointer;background:#94a3b81a;border-radius:12px;outline:none;padding:3px 8px;font-size:11px;font-weight:600;transition:background .15s}.inspector-select:hover{background:#94a3b833}.inspector-slider{width:55px;accent-color:var(--primary-color);cursor:pointer}.inspector-badge{color:var(--text-muted);text-align:right;min-width:26px;font-size:10px;font-weight:700}.inspector-action-btn{white-space:nowrap;height:26px;color:var(--primary-color);cursor:pointer;background:#3b82f626;border:1px solid #3b82f659;border-radius:14px;flex-shrink:0;justify-content:center;align-items:center;gap:5px;padding:4px 12px;font-size:11px;font-weight:600;transition:all .15s;display:inline-flex}.inspector-action-btn:hover{background:var(--primary-color);color:#fff;border-color:var(--primary-color);box-shadow:0 2px 8px #3b82f659}.inspector-select option{background:var(--panel-bg);color:var(--text-color);padding:4px 8px}.top-right-controls{z-index:10;position:absolute;top:16px;right:16px}.control-panel-compact{background:var(--panel-bg);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--panel-border);border-radius:var(--radius-md);box-shadow:var(--shadow-md);flex-direction:column;gap:6px;padding:8px 12px;display:flex}.panel-row{align-items:center;gap:6px;display:flex}.tool-btn-sm{border:1px solid var(--panel-border);border-radius:var(--radius-sm);height:28px;color:var(--text-color);cursor:pointer;background:#94a3b81f;justify-content:center;align-items:center;gap:4px;padding:4px 8px;font-size:12px;font-weight:500;transition:all .15s;display:inline-flex}.tool-btn-sm:hover{background:#94a3b840}.btn-present-sm{background:var(--primary-color);color:#fff;border:none}.btn-present-sm:hover{background:var(--primary-hover)}.control-card{background:var(--panel-bg);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:1px solid var(--panel-border);border-radius:var(--radius-md);box-shadow:var(--shadow-md);align-items:center;gap:8px;padding:6px 12px;display:flex}select.theme-select{color:var(--text-color);cursor:pointer;background:0 0;border:none;outline:none;font-family:inherit;font-size:14px;font-weight:500}.bottom-left-controls{z-index:10;align-items:center;gap:8px;display:flex;position:absolute;bottom:16px;left:16px}.zoom-indicator{color:var(--text-muted);text-align:center;min-width:48px;font-size:13px;font-weight:600}.minimap-container{background:var(--panel-bg);width:160px;height:100px;-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);border:1px solid var(--panel-border);border-radius:var(--radius-md);box-shadow:var(--shadow-md);z-index:10;position:absolute;bottom:16px;right:16px;overflow:hidden}#minimap-canvas{width:100%;height:100%;display:block}#text-editor-overlay{border:1.5px dashed var(--primary-color);border-radius:var(--radius-sm);font-family:var(--font-family);color:var(--text-color);resize:none;z-index:20;text-align:center;box-shadow:var(--shadow-md);background:#ffffffe6;outline:none;padding:6px;line-height:1.3;display:none;position:absolute;overflow:hidden}.presentation-hud{color:#fff;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);z-index:100;background:#0f172ae6;border-radius:30px;align-items:center;gap:16px;padding:10px 20px;display:none;position:absolute;bottom:24px;left:50%;transform:translate(-50%);box-shadow:0 10px 25px #0000004d}.presentation-hud.active{display:flex}.hud-btn{color:#fff;cursor:pointer;background:0 0;border:none;border-radius:4px;padding:4px 8px;font-size:18px}.hud-btn:hover{background:#fff3}body.ui-hidden .top-left-controls,body.ui-hidden .top-right-controls,body.ui-hidden .bottom-left-controls,body.ui-hidden .toolbar,body.ui-hidden .context-inspector,body.ui-hidden .minimap-container{display:none!important}