:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f4f6fa;color:#222;overflow:hidden}body.dark-theme{background-color:#2d2d2d;color:#e6e6e6}body.dark-theme{--color-bg: #2d2d2d;--color-panel: #3c3c3c;--color-panel-border: #555;--color-toolbar: #4a4a4a;--color-toolbar-btn: #2d2d2d;--color-toolbar-btn-hover: #3a3a3a;--color-toolbar-btn-active: #5a5a5a;--color-toolbar-btn-text: #e6e6e6;--color-text: #e6e6e6;--color-text-secondary: #bbb;--color-accent: #4a9eff;--color-statusbar: #3c3c3c;--color-statusbar-text: #bbb;--color-delete: #ff6b6b}body.light-theme{--color-bg: #f4f6fa;--color-panel: #ffffff;--color-panel-border: #e5e7eb;--color-toolbar: #ffffff;--color-toolbar-btn: #f9fafb;--color-toolbar-btn-hover: #e0e7ef;--color-toolbar-btn-active: #d0d6e1;--color-toolbar-btn-text: #222;--color-text: #222;--color-text-secondary: #666;--color-accent: #4a9eff;--color-statusbar: #f9fafb;--color-statusbar-text: #666;--color-delete: #ff6b6b}body.light-theme{background-color:var(--color-bg);color:var(--color-text)}body.light-theme .app-container{background-color:var(--color-bg)}body.light-theme .top-menu{background-color:var(--color-toolbar);border-bottom:1px solid var(--color-panel-border);box-shadow:0 2px 8px #0000000a}body.light-theme .toolbar{background:none}body.light-theme .toolbar button{background-color:var(--color-toolbar-btn);color:var(--color-toolbar-btn-text);border:1px solid var(--color-panel-border);border-radius:8px;box-shadow:0 1px 3px #0000001a}body.light-theme .toolbar button:hover{background-color:var(--color-toolbar-btn-hover);border-color:var(--color-accent);transform:translateY(-1px);box-shadow:0 2px 6px #00000026}body.light-theme .toolbar button:active{background-color:var(--color-toolbar-btn-active);transform:translateY(0)}body.light-theme .tool-group{border-right:none}body.light-theme .resources-panel{background-color:var(--color-panel);border:1px solid var(--color-panel-border);border-radius:12px;margin:16px 0;box-shadow:0 2px 8px #0000000f;overflow:hidden;height:calc(100% - 32px)}body.light-theme .resources-panel .panel-header{background-color:var(--color-toolbar);border-bottom:1px solid var(--color-panel-border);border-radius:12px 12px 0 0;padding:0 20px;height:60px}body.light-theme .resource-item{background-color:var(--color-toolbar-btn);color:var(--color-text);border-radius:8px;border:1px solid transparent;box-shadow:0 1px 3px #0000000d}body.light-theme .resource-item:hover{background-color:var(--color-toolbar-btn-hover);border-color:var(--color-accent);transform:translateY(-1px);box-shadow:0 2px 6px #0000001a}body.light-theme .resource-icon{background-color:var(--color-accent);color:#fff;border-radius:6px}body.light-theme .resource-info{color:var(--color-text)}body.light-theme .resource-type{color:var(--color-text-secondary)}body.light-theme .resource-add-btn{background:var(--color-accent);color:#fff;border-radius:6px;box-shadow:0 1px 3px #0000001a}body.light-theme .resource-add-btn:hover{background:#2176c7;transform:translateY(-1px);box-shadow:0 2px 6px #00000026}body.light-theme .canvas-area{background-color:#fff;border-radius:16px;margin:16px 0;box-shadow:0 4px 24px #00000014;border:1px solid var(--color-panel-border);height:calc(100% - 32px)}body.light-theme .properties-panel{background-color:var(--color-panel);border:1px solid var(--color-panel-border);border-radius:12px;margin:16px 0;box-shadow:0 2px 8px #0000000f;overflow:hidden;height:calc(100% - 32px)}body.light-theme .panel-header{background-color:var(--color-toolbar);border-bottom:1px solid var(--color-panel-border);border-radius:12px 12px 0 0;padding:0 20px;height:60px}body.light-theme .panel-content{background-color:var(--color-panel);border-radius:0 0 12px 12px}body.light-theme .property-group{background-color:#f8fafc;border:1px solid var(--color-panel-border);border-radius:8px;box-shadow:0 1px 3px #0000000d}body.light-theme .property-group h4,body.light-theme .property-row label{color:var(--color-text-secondary)}body.light-theme .property-row input,body.light-theme .property-row textarea{background-color:#fff;color:var(--color-text);border:1px solid var(--color-panel-border);border-radius:6px;box-shadow:0 1px 2px #0000000d}body.light-theme .property-row input:focus,body.light-theme .property-row textarea:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px #4a9eff1f}body.light-theme .status-bar{background-color:var(--color-toolbar);color:var(--color-statusbar-text);border-top:1px solid var(--color-panel-border);box-shadow:0 -2px 8px #0000000a}body.light-theme .delete-btn{color:var(--color-delete);border-radius:6px}body.light-theme .delete-btn:hover{background-color:#ff6b6b20}:root{--side-panel-width: 280px}.app-container{display:flex;flex-direction:column;height:100vh;background-color:#f4f6fa}.top-menu{height:60px;background-color:#fff;border-bottom:1px solid #e5e7eb;display:flex;align-items:center;justify-content:space-between;padding:0 24px;box-shadow:0 2px 8px #0000000a;z-index:1000}.toolbar{display:flex;gap:12px;align-items:center;justify-content:flex-start;flex:1}.tool-group-left{display:flex;gap:8px;align-items:center}.tool-group-center{display:flex;gap:8px;align-items:center;margin:0 auto}.tool-group-right{display:flex;gap:8px;align-items:center;margin-left:auto}.tool-group{padding:0 12px;border-right:none}.toolbar button{padding:8px 16px;border-radius:8px;border:1px solid #e5e7eb;background-color:#f9fafb;color:#222;cursor:pointer;font-size:14px;transition:all .2s ease;min-width:44px;height:36px;display:flex;align-items:center;justify-content:center;box-shadow:0 1px 3px #0000001a}.toolbar button:hover{background-color:#e0e7ef;border-color:#4a9eff;transform:translateY(-1px);box-shadow:0 2px 6px #00000026}.toolbar button:active{background-color:#d0d6e1;transform:translateY(0)}.toolbar button:disabled{opacity:.5;cursor:not-allowed;background-color:#f3f4f6;border-color:#e5e7eb;transform:none}.toolbar button:disabled:hover{background-color:#f3f4f6;border-color:#e5e7eb;transform:none;box-shadow:0 1px 3px #0000001a}.main-content{display:flex;flex:1;overflow:hidden;min-width:0;gap:16px;justify-content:space-between;align-items:stretch;padding:0 16px}.resources-panel{width:var(--side-panel-width);min-width:280px;max-width:320px;background-color:#fff;border:1px solid #e5e7eb;display:flex;flex-direction:column;overflow:hidden;height:calc(100% - 32px);z-index:1;flex-shrink:0;border-radius:12px;margin:16px 0;box-shadow:0 2px 8px #0000000f}.resources-panel .panel-header{display:flex;justify-content:space-between;align-items:center;padding:0 20px;background-color:#fff;border-bottom:1px solid #e5e7eb;height:60px;border-radius:12px 12px 0 0}.resources-panel .panel-header h3{margin:0;font-size:14px;font-weight:600;color:#222;letter-spacing:.5px}body.light-theme .resource-count{background-color:#f1f5f9;color:#64748b;padding:4px 8px;border-radius:6px;font-size:12px;font-weight:500}.resources-panel .panel-content{flex:1;padding:16px;overflow-y:auto;background-color:#fff;border-radius:0 0 12px 12px}.resources-list{display:flex;flex-direction:column;gap:8px}.resource-item{display:flex;align-items:center;padding:12px;background-color:#f9fafb;border-radius:8px;cursor:pointer;transition:all .2s ease;gap:12px;border:1px solid transparent;font-size:14px;position:relative;box-shadow:0 1px 3px #0000000d}.resource-item:hover{background-color:#e0e7ef;border-color:#4a9eff;transform:translateY(-1px);box-shadow:0 2px 6px #0000001a}.resource-item.selected{background-color:#4a9eff22;border-color:#4a9eff}.resource-icon{width:32px;height:32px;background-color:#4a9eff;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:#fff;box-shadow:0 1px 3px #0000001a}.resource-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.resource-name{font-size:14px;font-weight:500;color:#222;margin-bottom:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.resource-type{font-size:12px;color:#666}.resource-add-btn{background:#4a9eff;border:none;color:#fff;font-size:16px;border-radius:6px;width:32px;height:32px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;margin-left:8px;box-shadow:0 1px 3px #0000001a}.resource-add-btn:hover{background:#2176c7;transform:translateY(-1px);box-shadow:0 2px 6px #00000026}.canvas-area{flex:1;min-width:0;background-color:#fff;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;border-radius:16px;margin:16px 0;border:1px solid var(--color-panel-border);transition:margin .4s cubic-bezier(.34,1.56,.64,1),width .4s cubic-bezier(.34,1.56,.64,1),transform .4s cubic-bezier(.34,1.56,.64,1);will-change:margin,width,transform;transform:translate(0);height:calc(100% - 32px)}.canvas-area canvas{display:block;border-radius:8px}.properties-panel{width:var(--side-panel-width);min-width:280px;max-width:320px;background-color:#fff;border:1px solid #e5e7eb;display:flex;flex-direction:column;overflow:hidden;height:calc(100% - 32px);z-index:1;flex-shrink:0;border-radius:12px;margin:16px 0;box-shadow:0 2px 8px #0000000f}.panel-header{display:flex;justify-content:space-between;align-items:center;padding:0 20px;background-color:#fff;border-bottom:1px solid #e5e7eb;height:60px;border-radius:12px 12px 0 0}.panel-header h3{margin:0;font-size:14px;font-weight:600;color:#222;text-transform:uppercase;letter-spacing:.5px}.delete-btn{background:none;border:none;color:#ff6b6b;cursor:pointer;font-size:18px;padding:8px;border-radius:6px;transition:all .2s ease;display:flex;align-items:center;justify-content:center;width:32px;height:32px}.delete-btn:hover{background-color:#ff6b6b20;transform:translateY(-1px)}.panel-content{flex:1;padding:16px;overflow-y:auto;background-color:#fff;border-radius:0 0 12px 12px}.no-selection{text-align:center;color:#666;font-style:italic;margin-top:60px;font-size:14px}.property-group{margin-bottom:16px;background-color:#f8fafc;border-radius:8px;padding:16px;border:1px solid #e5e7eb;box-shadow:0 1px 3px #0000000d}.property-group h4{margin:0 0 12px;font-size:12px;font-weight:600;color:#666;text-transform:uppercase;letter-spacing:.5px}.property-row{display:flex;align-items:center;margin-bottom:16px;gap:8px;flex-wrap:wrap}.property-row:last-child{margin-bottom:0}.property-row label{min-width:60px;font-size:12px;color:#666;font-weight:500;flex-shrink:0}.property-row input,.property-row textarea{flex:1;min-width:0;padding:8px 10px;border:1px solid #e5e7eb;border-radius:6px;background-color:#fff;color:#222;font-size:12px;font-family:inherit;box-shadow:0 1px 2px #0000000d;transition:all .2s ease}.property-row input:focus,.property-row textarea:focus{outline:none;border-color:#4a9eff;box-shadow:0 0 0 3px #4a9eff1f}.property-row input[type=color]{width:40px;height:28px;padding:0;border:none;border-radius:6px;cursor:pointer;box-shadow:0 1px 3px #0000001a;flex-shrink:0}.property-row textarea{resize:vertical;min-height:50px;font-family:inherit;line-height:1.4;width:100%}.property-row input[type=number]{width:70px;flex-shrink:0}.panel-content::-webkit-scrollbar{width:6px}.panel-content::-webkit-scrollbar-track{background:#f1f5f9;border-radius:3px}.panel-content::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}.panel-content::-webkit-scrollbar-thumb:hover{background:#94a3b8}.status-bar{height:40px;background-color:#fff;border-top:1px solid #e5e7eb;display:flex;justify-content:space-between;align-items:center;padding:0 24px;font-size:12px;color:#666;box-shadow:0 -2px 8px #0000000a;z-index:1000}.status-left,.status-right{display:flex;gap:16px;align-items:center}.status-item{display:flex;align-items:center;gap:4px}.status-item:not(:last-child):after{content:"|";color:#cbd5e1;margin-left:8px}.layer-count{font-size:12px;color:#666;background-color:#f1f5f9;padding:4px 8px;border-radius:6px}.no-layers{text-align:center;color:#666;font-style:italic;margin-top:60px;font-size:14px}.layers-list{display:flex;flex-direction:column;gap:2px}.layer-item{display:flex;align-items:center;padding:8px 12px;background-color:#f9fafb;border-radius:6px;cursor:pointer;transition:all .2s ease;gap:8px;border:1px solid transparent}.layer-item:hover{background-color:#e0e7ef;border-color:#4a9eff}.layer-item.selected{background-color:#4a9eff22;border-color:#4a9eff}.layer-item.selected .layer-name{color:#4a9eff}.visibility-btn,.lock-btn{background:none;border:none;cursor:pointer;font-size:12px;padding:2px;border-radius:2px;transition:background-color .2s;width:20px;height:20px;display:flex;align-items:center;justify-content:center}.visibility-btn:hover,.lock-btn:hover{background-color:#cbd5e1}.visibility-btn.hidden{opacity:.5}.lock-btn.locked{opacity:.7}.layer-icon{width:24px;height:24px;background-color:#4a9eff;border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#fff}.layer-info{flex:1;min-width:0}.layer-name{font-size:12px;font-weight:500;color:#222;margin-bottom:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.layer-type{font-size:10px;color:#666}.layer-actions{display:flex;gap:4px}.delete-layer-btn{display:none;position:absolute;right:8px;top:50%;transform:translateY(-50%);background:none;border:none;color:#ff6b6b;cursor:pointer;font-size:16px;padding:4px;border-radius:4px;transition:background .2s}.resources-list .resource-item:hover .delete-layer-btn{display:block}.delete-layer-btn:hover{background-color:#ff6b6b20}.delete-batch-btn{margin-left:12px;background:#ff6b6b;color:#fff;border:none;border-radius:6px;padding:6px 12px;font-size:14px;cursor:pointer;transition:all .2s ease;box-shadow:0 1px 3px #0000001a}.delete-batch-btn:hover{background:#d43c3c;transform:translateY(-1px);box-shadow:0 2px 6px #00000026}@media (max-width: 1200px){.properties-panel,.resources-panel{width:280px}}@media (max-width: 768px){.properties-panel,.resources-panel{width:260px}.toolbar{gap:10px}.tool-group{padding:0 5px}}body.dark-theme .app-container{background-color:var(--color-bg)}body.dark-theme .top-menu{background-color:var(--color-toolbar);border-bottom:1px solid var(--color-panel-border);box-shadow:0 2px 8px #0000004d}body.dark-theme .toolbar button{background-color:var(--color-toolbar-btn);color:var(--color-toolbar-btn-text);border:1px solid var(--color-panel-border)}body.dark-theme .toolbar button:hover{background-color:var(--color-toolbar-btn-hover);border-color:var(--color-accent)}body.dark-theme .toolbar button:active{background-color:var(--color-toolbar-btn-active)}body.dark-theme .resources-panel{background-color:var(--color-panel);border:1px solid var(--color-panel-border);box-shadow:0 2px 8px #0000004d;overflow:hidden;height:calc(100% - 32px)}body.dark-theme .resources-panel .panel-header{background-color:var(--color-toolbar);border-bottom:1px solid var(--color-panel-border);padding:0 20px;height:60px}body.dark-theme .resources-panel .panel-header h3{color:var(--color-text)}body.dark-theme .resource-count{background-color:#333;color:#bbb;padding:4px 8px;border-radius:6px;font-size:12px;font-weight:500}body.dark-theme .resources-panel .panel-content{background-color:var(--color-panel)}body.dark-theme .resource-item{background-color:var(--color-toolbar-btn);color:var(--color-text);border:1px solid transparent}body.dark-theme .resource-item:hover{background-color:var(--color-toolbar-btn-hover);border-color:var(--color-accent)}body.dark-theme .resource-item.selected{background-color:#4a9eff33;border-color:var(--color-accent)}body.dark-theme .resource-icon{background-color:var(--color-accent);color:#fff}body.dark-theme .resource-info,body.dark-theme .resource-name{color:var(--color-text)}body.dark-theme .resource-type{color:var(--color-text-secondary)}body.dark-theme .resource-add-btn{background:var(--color-accent);color:#fff}body.dark-theme .resource-add-btn:hover{background:#2176c7}body.dark-theme .canvas-area{background-color:var(--color-panel);border:1px solid var(--color-panel-border);height:calc(100% - 32px);margin:16px 0}body.dark-theme .properties-panel{background-color:var(--color-panel);border:1px solid var(--color-panel-border);border-radius:12px;margin:16px 0;box-shadow:0 2px 8px #0000004d;overflow:hidden;height:calc(100% - 32px)}body.dark-theme .panel-header{background-color:var(--color-toolbar);border-bottom:1px solid var(--color-panel-border);padding:0 20px;height:60px}body.dark-theme .panel-header h3{color:var(--color-text)}body.dark-theme .panel-content{background-color:var(--color-panel)}body.dark-theme .property-group{background-color:#2a2a2a;border:1px solid var(--color-panel-border)}body.dark-theme .property-group h4,body.dark-theme .property-row label{color:var(--color-text-secondary)}body.dark-theme .property-row input,body.dark-theme .property-row textarea{background-color:var(--color-toolbar-btn);color:var(--color-text);border:1px solid var(--color-panel-border)}body.dark-theme .property-row input:focus,body.dark-theme .property-row textarea:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px #4a9eff33}body.dark-theme .status-bar{background-color:var(--color-toolbar);color:var(--color-statusbar-text);border-top:1px solid var(--color-panel-border);box-shadow:0 -2px 8px #0000004d}body.dark-theme .delete-btn{color:var(--color-delete)}body.dark-theme .delete-btn:hover{background-color:#ff6b6b33}body.dark-theme .no-selection,body.dark-theme .no-layers{color:var(--color-text-secondary)}body.dark-theme .layer-item{background-color:var(--color-toolbar-btn);color:var(--color-text)}body.dark-theme .layer-item:hover{background-color:var(--color-toolbar-btn-hover);border-color:var(--color-accent)}body.dark-theme .layer-item.selected{background-color:#4a9eff33;border-color:var(--color-accent)}body.dark-theme .layer-item.selected .layer-name{color:var(--color-accent)}body.dark-theme .layer-name{color:var(--color-text)}body.dark-theme .layer-type{color:var(--color-text-secondary)}body.dark-theme .visibility-btn:hover,body.dark-theme .lock-btn:hover{background-color:#555}body.dark-theme .delete-layer-btn{color:var(--color-delete)}body.dark-theme .delete-layer-btn:hover{background-color:#ff6b6b33}body.dark-theme .delete-batch-btn{background:var(--color-delete);color:#fff}body.dark-theme .delete-batch-btn:hover{background:#d43c3c}body.dark-theme .panel-content::-webkit-scrollbar-track{background:#2a2a2a}body.dark-theme .panel-content::-webkit-scrollbar-thumb{background:#555}body.dark-theme .panel-content::-webkit-scrollbar-thumb:hover{background:#666}body.dark-theme .status-item:not(:last-child):after{color:#555}body.dark-theme .layer-count{background-color:#4a4a4a;color:#bbb}.resources-panel,.properties-panel{transition:width .4s cubic-bezier(.34,1.56,.64,1),opacity .4s cubic-bezier(.34,1.56,.64,1),transform .4s cubic-bezier(.34,1.56,.64,1);will-change:width,opacity,transform;transform:translate(0)}.resources-panel-hidden{transition:width .4s cubic-bezier(.34,1.56,.64,1),opacity .4s cubic-bezier(.34,1.56,.64,1),transform .4s cubic-bezier(.34,1.56,.64,1);width:0!important;min-width:0!important;max-width:0!important;opacity:0;overflow:hidden;margin-top:16px;transform:translate(-20px)}.properties-panel-hidden{transition:width .4s cubic-bezier(.34,1.56,.64,1),opacity .4s cubic-bezier(.34,1.56,.64,1),transform .4s cubic-bezier(.34,1.56,.64,1);width:0!important;min-width:0!important;max-width:0!important;opacity:0;overflow:hidden;margin-top:16px;transform:translate(20px)}.resources-panel-hidden.animation-complete,.properties-panel-hidden.animation-complete{pointer-events:none;-webkit-user-select:none;user-select:none;visibility:hidden}.panel-toggle-btn{position:absolute;top:50%;transform:translateY(-50%);width:24px;height:60px;background-color:#fff;border:1px solid #e5e7eb;border-radius:4px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:12px;color:#666;transition:all .2s ease;box-shadow:0 2px 4px #0000001a;z-index:1000}.panel-toggle-btn:hover{background-color:#f9fafb;border-color:#4a9eff;color:#4a9eff;box-shadow:0 2px 8px #00000026}.panel-toggle-btn-fixed{position:absolute;left:0;top:50%;transform:translateY(-50%);width:32px;height:48px;z-index:1001;border-radius:0 8px 8px 0;border:none;background:#fff;color:#666;box-shadow:0 2px 4px #0000000f;transition:background .2s,color .2s;display:flex;align-items:center;justify-content:center}.panel-toggle-btn-fixed:hover{background:#f9fafb;color:#4a9eff}body.dark-theme .panel-toggle-btn-fixed{background:var(--color-toolbar);color:var(--color-text-secondary)}body.dark-theme .panel-toggle-btn-fixed:hover{background:var(--color-toolbar-btn-hover);color:var(--color-accent)}.panel-toggle-btn-left,.panel-toggle-btn-right{display:none!important}.main-content:has(.resources-panel-hidden) .canvas-area{margin-left:0;margin-bottom:16px;transform:translate(-10px)}.main-content:has(.properties-panel-hidden) .canvas-area{margin-right:0;margin-bottom:16px;transform:translate(10px)}.main-content:has(.resources-panel-hidden):has(.properties-panel-hidden) .canvas-area{margin-left:0;margin-right:0;margin-bottom:16px;transform:translate(0)}.main-content-toggle-btn{position:absolute;left:0;top:50%;transform:translateY(-50%);width:24px;height:40px;z-index:2000;border-radius:0 8px 8px 0;border:none;background:#fff;color:#666;box-shadow:0 2px 4px #0000000f;transition:background .2s,color .2s;display:flex;align-items:center;justify-content:center;font-size:14px}.main-content-toggle-btn:hover{background:#f9fafb;color:#4a9eff}body.dark-theme .main-content-toggle-btn{background:var(--color-toolbar);color:var(--color-text-secondary)}body.dark-theme .main-content-toggle-btn:hover{background:var(--color-toolbar-btn-hover);color:var(--color-accent)}.main-content-toggle-btn-right{right:0;left:auto;top:50%;transform:translateY(-50%);position:absolute;width:24px;height:40px;z-index:2000;border-radius:8px 0 0 8px;border:none;background:#fff;color:#666;box-shadow:0 2px 4px #0000000f;transition:background .2s,color .2s;display:flex;align-items:center;justify-content:center;font-size:14px}.main-content-toggle-btn-right:hover{background:#f9fafb;color:#4a9eff}body.dark-theme .main-content-toggle-btn-right{background:var(--color-toolbar);color:var(--color-text-secondary)}body.dark-theme .main-content-toggle-btn-right:hover{background:var(--color-toolbar-btn-hover);color:var(--color-accent)}