:root{--font-sans:-apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Helvetica Neue", system-ui, sans-serif;--font-mono:"SF Mono", Menlo, Monaco, Consolas, "Courier New", monospace;--bg-app:#f4f5f7;--bg-window:#ffffffeb;--bg-sidebar:#f6f6f8d9;--bg-surface:#fff;--bg-control:#0000000d;--bg-control-hover:#00000014;--bg-control-active:#fff;--text-primary:#1d1d1f;--text-secondary:#6e6e73;--text-tertiary:#86868b;--text-quaternary:#aeaeb2;--border-subtle:#00000014;--border-strong:#00000024;--border-divider:#0000000f;--accent-color:#0071e3;--accent-hover:#0077ed;--accent-subtle:#0071e314;--accent-text:#fff;--shadow-sm:0 1px 2px #0000000a;--shadow-md:0 4px 16px #0000000f, 0 1px 3px #00000008;--shadow-window:0 20px 50px #0000001a, 0 0 0 1px #0000000f;--shadow-popup:0 12px 32px #0000001f, 0 0 0 1px #0000000f;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--radius-xl:18px;--transition-fast:.14s cubic-bezier(.2, 0, 0, 1);--transition-normal:.22s cubic-bezier(.2, 0, 0, 1)}[data-theme=dark]{--bg-app:#121214;--bg-window:#1c1c1eeb;--bg-sidebar:#161618d9;--bg-surface:#242426;--bg-control:#ffffff12;--bg-control-hover:#ffffff1c;--bg-control-active:#ffffff2e;--text-primary:#f5f5f7;--text-secondary:#a1a1a6;--text-tertiary:#6e6e73;--text-quaternary:#48484a;--border-subtle:#ffffff17;--border-strong:#ffffff29;--border-divider:#ffffff12;--accent-color:#2997ff;--accent-hover:#47a6ff;--accent-subtle:#2997ff29;--accent-text:#fff;--shadow-sm:0 1px 2px #0000004d;--shadow-md:0 4px 16px #0006, 0 1px 3px #0003;--shadow-window:0 24px 60px #0000008c, 0 0 0 1px #ffffff1a;--shadow-popup:0 12px 32px #00000080, 0 0 0 1px #ffffff1f}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;height:100%;font-family:var(--font-sans);color:var(--text-primary);background-color:var(--bg-app);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility;font-size:15px;line-height:1.5;overflow:hidden}#root{justify-content:center;align-items:center;width:100%;height:100%;display:flex}.mac-window{background:var(--bg-window);-webkit-backdrop-filter:blur(28px);flex-direction:column;width:100vw;height:100vh;display:flex;position:relative;overflow:hidden}.mac-titlebar{border-bottom:1px solid var(--border-subtle);-webkit-user-select:none;user-select:none;z-index:20;background:0 0;justify-content:space-between;align-items:center;height:48px;min-height:48px;padding:0 16px;display:flex}.mac-titlebar-left{align-items:center;gap:14px;min-width:180px;display:flex}.mac-traffic-lights{align-items:center;gap:8px;display:flex}.mac-dot{cursor:pointer;width:12px;height:12px;transition:transform var(--transition-fast), filter var(--transition-fast);border:1px solid #0000001f;border-radius:50%;display:inline-block}.mac-dot:hover{filter:brightness(.9)}.mac-dot:active{transform:scale(.92)}.dot-red{background-color:#ff5f56;border-color:#e0443e}.dot-yellow{background-color:#ffbd2e;border-color:#dea125}.dot-green{background-color:#27c93f;border-color:#1aab29}.mac-title-capsule{background:var(--bg-control);border:1px solid var(--border-subtle);color:var(--text-primary);border-radius:20px;align-items:center;gap:8px;max-width:320px;padding:4px 12px;font-size:13px;font-weight:500;display:inline-flex}.mac-title-capsule .file-name{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.mac-title-capsule .file-badge{color:var(--text-tertiary);background:var(--bg-control);border-radius:10px;padding:1px 6px;font-size:11px;font-weight:500}.mac-titlebar-center{justify-content:center;align-items:center;display:flex}.mac-titlebar-right{justify-content:flex-end;align-items:center;gap:8px;min-width:180px;display:flex}.segmented-control{background:var(--bg-control);border-radius:var(--radius-md);border:1px solid var(--border-subtle);align-items:center;padding:2px;display:inline-flex;position:relative}.segmented-button{color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;background:0 0;border:none;border-radius:6px;align-items:center;gap:6px;padding:5px 12px;font-family:inherit;font-size:12.5px;font-weight:500;display:inline-flex}.segmented-button:hover{color:var(--text-primary)}.segmented-button.active{background:var(--bg-control-active);color:var(--text-primary);box-shadow:var(--shadow-sm);font-weight:600}.apple-btn{border-radius:var(--radius-md);border:1px solid var(--border-subtle);background:var(--bg-control);color:var(--text-primary);cursor:pointer;transition:all var(--transition-fast);align-items:center;gap:6px;padding:6px 12px;font-family:inherit;font-size:13px;font-weight:500;line-height:1;text-decoration:none;display:inline-flex}.apple-btn:hover{background:var(--bg-control-hover);border-color:var(--border-strong)}.apple-btn:active{transform:scale(.98)}.apple-btn.primary{background:var(--accent-color);color:var(--accent-text);border-color:#0000}.apple-btn.primary:hover{background:var(--accent-hover)}.apple-btn.ghost{background:0 0;border-color:#0000}.apple-btn.ghost:hover{background:var(--bg-control)}.apple-icon-btn{border-radius:var(--radius-md);border:1px solid var(--border-subtle);background:var(--bg-control);width:32px;height:32px;color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);justify-content:center;align-items:center;padding:0;display:inline-flex}.apple-icon-btn:hover{background:var(--bg-control-hover);color:var(--text-primary)}.apple-icon-btn.active{background:var(--accent-subtle);color:var(--accent-color);border-color:var(--accent-color)}.mac-workspace{flex:1;display:flex;position:relative;overflow:hidden}.mac-sidebar{background:var(--bg-sidebar);border-right:1px solid var(--border-subtle);-webkit-backdrop-filter:blur(20px);width:260px;min-width:260px;transition:width var(--transition-normal), margin var(--transition-normal);z-index:10;flex-direction:column;display:flex;overflow:hidden}.sidebar-header{border-bottom:1px solid var(--border-divider);text-transform:uppercase;letter-spacing:.04em;height:42px;color:var(--text-tertiary);justify-content:space-between;align-items:center;padding:0 16px;font-size:12px;font-weight:600;display:flex}.sidebar-content{flex:1;padding:12px 8px;overflow-y:auto}.outline-item{border-radius:var(--radius-sm);color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;transition:all var(--transition-fast);padding:6px 10px;font-size:13px;line-height:1.4;text-decoration:none;display:block;overflow:hidden}.outline-item:hover{background:var(--bg-control);color:var(--text-primary)}.outline-item.level-1{color:var(--text-primary);font-weight:600}.outline-item.level-2{padding-left:20px}.outline-item.level-3{color:var(--text-tertiary);padding-left:32px;font-size:12.5px}.outline-item.level-4{color:var(--text-quaternary);padding-left:42px;font-size:12px}.mac-content-viewport{background:var(--bg-surface);flex:1;height:100%;display:flex;position:relative;overflow:hidden}.split-view-container{width:100%;height:100%;display:flex}.split-pane{flex:1;height:100%;position:relative;overflow-y:auto}.split-pane.left{border-right:1px solid var(--border-subtle);background:var(--bg-window)}.split-pane.right{background:var(--bg-surface)}.source-viewer-wrap{width:100%;height:100%;font-family:var(--font-mono);padding:24px;font-size:13.5px;line-height:1.7;overflow-y:auto}.source-line-table{border-collapse:collapse;width:100%}.source-line-number{text-align:right;width:40px;color:var(--text-quaternary);-webkit-user-select:none;user-select:none;vertical-align:top;padding-right:16px;font-size:12px}.source-line-code{white-space:pre-wrap;word-break:break-word;color:var(--text-primary)}.mac-statusbar{background:var(--bg-window);border-top:1px solid var(--border-subtle);height:30px;min-height:30px;color:var(--text-tertiary);-webkit-user-select:none;user-select:none;z-index:20;justify-content:space-between;align-items:center;padding:0 16px;font-size:11.5px;display:flex}.statusbar-stats{align-items:center;gap:16px;display:flex}.statusbar-stat-item{align-items:center;gap:4px;display:inline-flex}.drag-overlay-scrim{-webkit-backdrop-filter:blur(14px);z-index:1000;pointer-events:none;background:#0071e314;justify-content:center;align-items:center;animation:.15s ease-out fadeIn;display:flex;position:fixed;inset:0}.drag-overlay-target{background:var(--bg-surface);border:2px dashed var(--accent-color);border-radius:var(--radius-xl);box-shadow:var(--shadow-window);transition:transform var(--transition-normal);flex-direction:column;align-items:center;gap:16px;padding:48px 64px;display:flex;transform:scale(1.02)}.drag-icon-box{background:var(--accent-subtle);width:64px;height:64px;color:var(--accent-color);border-radius:16px;justify-content:center;align-items:center;display:flex}.drag-overlay-target h3{color:var(--text-primary);font-size:19px;font-weight:600}.drag-overlay-target p{color:var(--text-secondary);font-size:14px}.apple-menu-popover{background:var(--bg-window);-webkit-backdrop-filter:blur(28px);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);box-shadow:var(--shadow-popup);z-index:100;flex-direction:column;gap:2px;min-width:200px;padding:6px;animation:.12s ease-out scaleIn;display:flex;position:absolute;top:48px;right:16px}.menu-item{border-radius:var(--radius-sm);color:var(--text-primary);cursor:pointer;text-align:left;width:100%;transition:background var(--transition-fast);background:0 0;border:none;justify-content:space-between;align-items:center;padding:8px 10px;font-family:inherit;font-size:13px;display:flex}.menu-item:hover{background:var(--accent-color);color:#fff}.menu-item:hover .menu-shortcut{color:#ffffffbf}.menu-item-left{align-items:center;gap:8px;display:flex}.menu-shortcut{color:var(--text-tertiary);font-size:11px}.menu-divider{background:var(--border-divider);height:1px;margin:4px 6px}.apple-toast{background:var(--bg-surface);color:var(--text-primary);box-shadow:var(--shadow-popup);border:1px solid var(--border-subtle);z-index:200;border-radius:24px;align-items:center;gap:8px;padding:8px 16px;font-size:13px;font-weight:500;animation:.18s cubic-bezier(.16,1,.3,1) slideUp;display:flex;position:fixed;bottom:48px;left:50%;transform:translate(-50%)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleIn{0%{opacity:0;transform:scale(.96)translateY(-4px)}to{opacity:1;transform:scale(1)translateY(0)}}@keyframes slideUp{0%{opacity:0;transform:translate(-50%,10px)}to{opacity:1;transform:translate(-50%)}}.markdown-body-container{scroll-behavior:smooth;justify-content:center;width:100%;height:100%;padding:48px 24px 80px;display:flex;overflow-y:auto}.markdown-article{width:100%;max-width:820px;color:var(--text-primary);font-family:var(--font-sans);word-wrap:break-word;font-size:16px;line-height:1.72}.markdown-article h1,.markdown-article h2,.markdown-article h3,.markdown-article h4,.markdown-article h5,.markdown-article h6{color:var(--text-primary);font-family:var(--font-sans);letter-spacing:-.018em;margin-top:2rem;margin-bottom:.85rem;font-weight:600;line-height:1.3;position:relative}.markdown-article h1:first-child{margin-top:0}.markdown-article h1{letter-spacing:-.028em;margin-bottom:1.25rem;font-size:2.25rem;font-weight:700;line-height:1.2}.markdown-article h2{border-bottom:1px solid var(--border-divider);padding-bottom:.4rem;font-size:1.55rem}.markdown-article h3{font-size:1.25rem;font-weight:600}.markdown-article h4{font-size:1.05rem}.heading-anchor-group{align-items:center;gap:8px;display:flex}.heading-anchor{opacity:0;color:var(--text-tertiary);transition:opacity var(--transition-fast), color var(--transition-fast);align-items:center;text-decoration:none;display:inline-flex}.heading-anchor-group:hover .heading-anchor{opacity:.7}.heading-anchor:hover{color:var(--accent-color);opacity:1!important}.markdown-article p{margin-top:0;margin-bottom:1.25rem}.markdown-article strong{color:var(--text-primary);font-weight:600}.markdown-article em{font-style:italic}.markdown-article a{color:var(--accent-color);text-underline-offset:3px;transition:color var(--transition-fast);text-decoration:underline;text-decoration-thickness:1px}.markdown-article a:hover{color:var(--accent-hover)}.markdown-article hr{background-color:var(--border-divider);border:none;height:1px;margin:2.25rem 0}.markdown-article ul,.markdown-article ol{margin-top:0;margin-bottom:1.25rem;padding-left:1.75rem}.markdown-article li{margin-top:.35rem;margin-bottom:.35rem}.markdown-article li>ul,.markdown-article li>ol{margin-top:.25rem;margin-bottom:.25rem}.markdown-article input[type=checkbox]{appearance:none;border:1.5px solid var(--text-tertiary);vertical-align:-2px;cursor:default;width:16px;height:16px;transition:all var(--transition-fast);border-radius:4px;margin-right:8px;display:inline-block;position:relative}.markdown-article input[type=checkbox]:checked{background-color:var(--accent-color);border-color:var(--accent-color)}.markdown-article input[type=checkbox]:checked:after{content:"";border:2px solid #fff;border-width:0 2px 2px 0;width:4px;height:8px;position:absolute;top:2px;left:5px;transform:rotate(45deg)}.markdown-article blockquote{border-left:3.5px solid var(--accent-color);color:var(--text-secondary);margin:1.5rem 0;padding:.5rem 0 .5rem 1.25rem;font-style:normal}.markdown-article blockquote p:last-child{margin-bottom:0}.markdown-article :not(pre)>code{font-family:var(--font-mono);background-color:var(--bg-control);color:var(--text-primary);border:1px solid var(--border-subtle);word-break:break-word;border-radius:5px;padding:2px 6px;font-size:.88em}.code-block-wrapper{border-radius:var(--radius-lg);border:1px solid var(--border-subtle);background:var(--bg-surface);box-shadow:var(--shadow-sm);transition:border-color var(--transition-fast);margin:1.75rem 0;overflow:hidden}.code-block-wrapper:hover{border-color:var(--border-strong)}.code-block-header{background:var(--bg-control);border-bottom:1px solid var(--border-divider);-webkit-user-select:none;user-select:none;justify-content:space-between;align-items:center;height:36px;padding:0 12px;display:flex}.code-block-mac-dots{align-items:center;gap:6px;display:flex}.code-block-mac-dots .dot{border-radius:50%;width:9px;height:9px;display:inline-block}.code-block-mac-dots .dot-close{background-color:#ff5f56}.code-block-mac-dots .dot-min{background-color:#ffbd2e}.code-block-mac-dots .dot-max{background-color:#27c93f}.code-lang-badge{font-family:var(--font-mono);color:var(--text-tertiary);text-transform:lowercase;font-size:11.5px;font-weight:500}.apple-copy-btn{border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:1px solid #0000;align-items:center;gap:5px;padding:3px 8px;font-size:11.5px;font-weight:500;display:inline-flex}.apple-copy-btn:hover{background:var(--bg-control-active);border-color:var(--border-subtle);color:var(--text-primary)}.apple-copy-btn.copied{color:#27c93f}.code-block-wrapper pre{font-family:var(--font-mono);margin:0;padding:16px;font-size:13.5px;line-height:1.65;overflow-x:auto}.apple-callout{border-radius:var(--radius-lg);border:1px solid var(--border-subtle);background:var(--bg-control);flex-direction:column;gap:6px;margin:1.5rem 0;padding:14px 18px;display:flex}.callout-header{align-items:center;gap:8px;font-size:13.5px;font-weight:600;display:flex}.callout-body{color:var(--text-secondary);font-size:14.5px;line-height:1.6}.callout-body p:last-child{margin-bottom:0}.callout-note{background:#0071e30d;border-left:4px solid #0071e3}.callout-note .callout-header{color:#0071e3}.callout-tip{background:#27c93f0f;border-left:4px solid #27c93f}.callout-tip .callout-header{color:#27c93f}.callout-important{background:#9c27b00f;border-left:4px solid #9c27b0}.callout-important .callout-header{color:#9c27b0}.callout-warning{background:#ff95000f;border-left:4px solid #ff9500}.callout-warning .callout-header{color:#ff9500}.callout-caution{background:#ff3b300f;border-left:4px solid #ff3b30}.callout-caution .callout-header{color:#ff3b30}.markdown-article table{border-collapse:collapse;text-align:left;border-radius:var(--radius-md);border:1px solid var(--border-subtle);width:100%;box-shadow:var(--shadow-sm);margin:1.75rem 0;font-size:14.5px;overflow:hidden}.markdown-article thead{background-color:var(--bg-control);border-bottom:1px solid var(--border-divider)}.markdown-article th{color:var(--text-primary);padding:10px 14px;font-size:13.5px;font-weight:600}.markdown-article td{border-bottom:1px solid var(--border-divider);color:var(--text-secondary);padding:10px 14px}.markdown-article tbody tr:last-child td{border-bottom:none}.markdown-article tbody tr:nth-child(2n){background-color:#00000004}[data-theme=dark] .markdown-article tbody tr:nth-child(2n){background-color:#ffffff05}.markdown-article img{border-radius:var(--radius-md);border:1px solid var(--border-subtle);max-width:100%;box-shadow:var(--shadow-sm);margin:1.5rem 0}@media print{body,html,#root,.mac-window{color:#000!important;background:#fff!important;height:auto!important;overflow:visible!important}.mac-titlebar,.mac-statusbar,.mac-sidebar,.segmented-control,.apple-btn,.code-block-header,.heading-anchor,.apple-copy-btn,.drag-overlay-scrim{display:none!important}.markdown-body-container{padding:0!important;overflow:visible!important}.markdown-article{max-width:100%!important}.code-block-wrapper{page-break-inside:avoid;box-shadow:none!important;border:1px solid #ccc!important}.apple-table-wrapper{page-break-inside:avoid;box-shadow:none!important}h1,h2,h3{page-break-after:avoid}}:root{--hljs-bg:#fff;--hljs-text:#1d1d1f;--hljs-comment:#707f8f;--hljs-keyword:#ad3da4;--hljs-function:#3e8087;--hljs-string:#d12f1b;--hljs-number:#272ad8;--hljs-type:#4b21b0;--hljs-variable:#1d1d1f;--hljs-title:#3e8087;--hljs-attr:#836c28;--hljs-meta:#836c28;--hljs-operator:#555;--hljs-punctuation:#666}[data-theme=dark]{--hljs-bg:#1c1c1e;--hljs-text:#f5f5f7;--hljs-comment:#7f8c98;--hljs-keyword:#fc5fa3;--hljs-function:#6bdfff;--hljs-string:#fc6a5d;--hljs-number:#d0bf69;--hljs-type:#5dd8ff;--hljs-variable:#f5f5f7;--hljs-title:#6bdfff;--hljs-attr:#ffa657;--hljs-meta:#ffa657;--hljs-operator:#b0b0b8;--hljs-punctuation:#8e8e93}.code-block-wrapper pre,.code-block-wrapper pre code,pre code.hljs,code.hljs,.hljs{font-family:var(--font-mono);font-size:13.5px;line-height:1.65;color:var(--hljs-text)!important;background:0 0!important}.hljs-comment,.hljs-quote{font-style:italic;color:var(--hljs-comment)!important}.hljs-keyword,.hljs-selector-tag,.hljs-subst{font-weight:500;color:var(--hljs-keyword)!important}.hljs-number,.hljs-literal,.hljs-variable.constant_{color:var(--hljs-number)!important}.hljs-string,.hljs-doctag,.hljs-regexp{color:var(--hljs-string)!important}.hljs-title,.hljs-section,.hljs-selector-id{font-weight:600;color:var(--hljs-title)!important}.hljs-title.class_,.hljs-title.class_.inherited__,.hljs-title.function_{color:var(--hljs-function)!important}.hljs-type,.hljs-built_in,.hljs-builtin-name{color:var(--hljs-type)!important}.hljs-variable,.hljs-template-variable,.hljs-params{color:var(--hljs-variable)!important}.hljs-attr,.hljs-attribute,.hljs-property{color:var(--hljs-attr)!important}.hljs-meta,.hljs-meta .hljs-keyword,.hljs-meta .hljs-string{color:var(--hljs-meta)!important}.hljs-operator{color:var(--hljs-operator)!important}.hljs-punctuation{color:var(--hljs-punctuation)!important}.hljs-symbol,.hljs-bullet{color:var(--accent-color)!important}.hljs-emphasis{font-style:italic}.hljs-strong{font-weight:700}