@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/2c55a0e60120577a-s.2a48534a.woff2)format("woff2");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/9c72aa0f40e4eef8-s.18a48cbc.woff2)format("woff2");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/ad66f9afd8947f86-s.7a40eb73.woff2)format("woff2");unicode-range:U+1F??}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/5476f68d60460930-s.c995e352.woff2)format("woff2");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/2bbe8d2671613f1f-s.76dcb0b2.woff2)format("woff2");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/1bffadaabf893a1e-s.7cd81963.woff2)format("woff2");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/83afe278b6a6bb3c-s.p.3a6ba036.woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Inter Fallback;src:local(Arial);ascent-override:90.44%;descent-override:22.52%;line-gap-override:0.0%;size-adjust:107.12%}.inter_fe8b9d92-module__LINzvG__className{font-family:Inter,Inter Fallback;font-style:normal}.inter_fe8b9d92-module__LINzvG__variable{--font-inter:"Inter","Inter Fallback"}
@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-border-style:solid}}}@layer theme{:root,:host{--font-sans:ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";--font-mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;--spacing:.25rem;--radius-sm:.25rem;--radius-md:.375rem;--radius-lg:.5rem;--radius-xl:.75rem;--shadow-md:0 4px 6px -1px #0000001a,0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a,0 4px 6px -4px #0000001a;--default-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4,0,.2,1);--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab,currentcolor 50%,transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.relative{position:relative}.static{position:static}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.container{width:100%}@media (min-width:40rem){.container{max-width:40rem}}@media (min-width:48rem){.container{max-width:48rem}}@media (min-width:64rem){.container{max-width:64rem}}@media (min-width:80rem){.container{max-width:80rem}}@media (min-width:96rem){.container{max-width:96rem}}.block{display:block}.contents{display:contents}.flex{display:flex}.hidden{display:none}.inline{display:inline}.table{display:table}.flex-shrink{flex-shrink:1}.border-collapse{border-collapse:collapse}.transform{transform:var(--tw-rotate-x,)var(--tw-rotate-y,)var(--tw-rotate-z,)var(--tw-skew-x,)var(--tw-skew-y,)}.border{border-style:var(--tw-border-style);border-width:1px}.italic{font-style:italic}.underline{text-decoration-line:underline}.antialiased{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}}:root{--font-inter:"Inter",system-ui,-apple-system,sans-serif;--font-mono:"JetBrains Mono","Fira Code","Cascadia Code",ui-monospace,monospace;--sidebar-width:280px;--toc-width:240px;--toolbar-height:56px;--transition-fast:.15s ease;--transition-normal:.25s ease;--transition-slow:.35s ease;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px}.dark,[data-theme=dark]{--bg-primary:#0d1117;--bg-secondary:#161b22;--bg-tertiary:#1c2128;--bg-elevated:#21262d;--bg-hover:#ffffff0d;--bg-active:#8b949e1f;--text-primary:#e6edf3;--text-secondary:#8b949e;--text-muted:#6e7681;--text-link:#58a6ff;--border-default:#30363d;--border-muted:#21262d;--border-hover:#484f58;--accent-blue:#58a6ff;--accent-green:#3fb950;--accent-purple:#bc8cff;--accent-orange:#d29922;--accent-red:#f85149;--shadow-sm:0 1px 2px #0000004d;--shadow-md:0 4px 12px #0006;--shadow-lg:0 8px 24px #00000080;--shadow-glow:0 0 20px #58a6ff26;--alert-note-bg:#388bfd1a;--alert-note-border:#388bfd66;--alert-note-text:#58a6ff;--alert-tip-bg:#2ea0431a;--alert-tip-border:#2ea04366;--alert-tip-text:#3fb950;--alert-important-bg:#8957e51a;--alert-important-border:#8957e566;--alert-important-text:#bc8cff;--alert-warning-bg:#bb80091a;--alert-warning-border:#bb800966;--alert-warning-text:#d29922;--alert-caution-bg:#f851491a;--alert-caution-border:#f8514966;--alert-caution-text:#f85149;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}.light,[data-theme=light]{--bg-primary:#fff;--bg-secondary:#f6f8fa;--bg-tertiary:#f0f2f5;--bg-elevated:#fff;--bg-hover:#0000000a;--bg-active:#00000014;--text-primary:#1f2328;--text-secondary:#656d76;--text-muted:#8b949e;--text-link:#0969da;--border-default:#d0d7de;--border-muted:#e8ecf0;--border-hover:#afb8c1;--accent-blue:#0969da;--accent-green:#1a7f37;--accent-purple:#8250df;--accent-orange:#bf8700;--accent-red:#cf222e;--shadow-sm:0 1px 2px #0000000f;--shadow-md:0 4px 12px #0000001a;--shadow-lg:0 8px 24px #0000001f;--shadow-glow:0 0 20px #0969da1a;--alert-note-bg:#0969da0f;--alert-note-border:#0969da4d;--alert-note-text:#0969da;--alert-tip-bg:#1a7f370f;--alert-tip-border:#1a7f374d;--alert-tip-text:#1a7f37;--alert-important-bg:#8250df0f;--alert-important-border:#8250df4d;--alert-important-text:#8250df;--alert-warning-bg:#bf87000f;--alert-warning-border:#bf87004d;--alert-warning-text:#9a6700;--alert-caution-bg:#cf222e0f;--alert-caution-border:#cf222e4d;--alert-caution-text:#cf222e;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-inter);background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow:hidden}::selection{background:#58a6ff4d}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border-default);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--border-hover)}.hidden{display:none!important}.app{flex-direction:column;height:100vh;display:flex}.toolbar{height:var(--toolbar-height);background:var(--bg-secondary);border-bottom:1px solid var(--border-default);z-index:100;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);flex-shrink:0;justify-content:space-between;align-items:center;padding:0 20px;display:flex}.toolbar-left{align-items:center;gap:12px;display:flex}.toolbar-home-btn{border-radius:var(--radius-sm);cursor:pointer;transition:opacity var(--transition-fast);background:0 0;border:none;align-items:center;gap:6px;padding:4px 6px;display:flex}.toolbar-home-btn:hover{opacity:.75}.toolbar-logo{font-size:24px;line-height:1}.toolbar-brand{background:linear-gradient(135deg,var(--accent-blue),var(--accent-purple));-webkit-text-fill-color:transparent;letter-spacing:-.02em;-webkit-background-clip:text;background-clip:text;font-size:18px;font-weight:700}.toolbar-workspace-name{color:var(--text-secondary);border-left:1px solid var(--border-default);padding-left:12px;font-size:14px}.toolbar-right{align-items:center;gap:4px;display:flex}.toolbar-btn{color:var(--text-secondary);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:none;align-items:center;gap:6px;padding:8px 12px;font-size:13px;display:flex}.toolbar-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.toolbar-theme-btn{border:1px solid var(--border-default);padding:6px 12px}.toolbar-theme-label{text-transform:capitalize;font-size:12px}.toolbar-theme-picker-container{position:relative}.toolbar-theme-picker-btn{border:1px solid var(--border-default);padding:6px 10px}.toolbar-theme-picker{background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:var(--radius-lg);width:220px;box-shadow:var(--shadow-lg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:100;padding:6px;animation:.15s themePickerIn;position:absolute;top:calc(100% + 8px);right:0}@keyframes themePickerIn{0%{opacity:0;transform:translateY(-4px)scale(.98)}to{opacity:1;transform:translateY(0)scale(1)}}.theme-picker-header{text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);padding:6px 10px 4px;font-size:11px;font-weight:600}.theme-picker-item{width:100%;color:var(--text-primary);font-size:13px;font-family:var(--font-inter);cursor:pointer;border-radius:var(--radius-md);transition:background var(--transition-fast);background:0 0;border:none;align-items:center;gap:10px;padding:8px 10px;display:flex}.theme-picker-item:hover{background:var(--bg-hover)}.theme-picker-active{background:var(--bg-active)}.theme-picker-swatch{border:2px solid var(--border-default);border-radius:50%;flex-shrink:0;width:20px;height:20px}.theme-picker-name{text-align:left;flex:1}.theme-picker-check{color:var(--accent-green);font-size:14px;font-weight:700}.toolbar-reading-stats{border-left:1px solid var(--border-muted);align-items:center;gap:12px;margin-left:16px;padding-left:16px;display:flex}.toolbar-stat{color:var(--text-muted);align-items:center;gap:4px;font-size:11px;font-weight:450;display:flex}.reading-progress{z-index:50;background:0 0;flex-shrink:0;height:3px;position:sticky;top:0;left:0;right:0}.reading-progress-bar{background:linear-gradient(90deg,var(--accent-blue),var(--accent-purple));border-radius:0 2px 2px 0;height:100%;transition:width .1s ease-out}.workspace-tabs{background:var(--bg-secondary);border-bottom:1px solid var(--border-default);flex-shrink:0}.workspace-tabs-scroll{scrollbar-width:none;gap:2px;padding:0 8px;display:flex;overflow-x:auto}.workspace-tabs-scroll::-webkit-scrollbar{display:none}.workspace-tab{color:var(--text-secondary);cursor:pointer;white-space:nowrap;transition:color var(--transition-fast),border-color var(--transition-fast),background var(--transition-fast);border-bottom:2px solid #0000;align-items:center;gap:6px;min-width:0;padding:8px 12px;font-size:12px;font-weight:500;display:flex;position:relative}.workspace-tab:hover{color:var(--text-primary);background:var(--bg-hover)}.workspace-tab-active{color:var(--text-primary);border-bottom-color:var(--accent-blue);background:var(--bg-primary)}.workspace-tab-title{text-overflow:ellipsis;max-width:160px;overflow:hidden}.workspace-tab-count{background:var(--bg-tertiary);color:var(--text-muted);border-radius:8px;padding:1px 5px;font-size:10px;font-weight:600}.workspace-tab-action{width:18px;height:18px;color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;display:none}.workspace-tab:hover .workspace-tab-action{display:flex}.workspace-tab-action:hover{background:var(--bg-hover);color:var(--text-primary)}.workspace-tab-close:hover{color:var(--accent-red)}.workspace-tab-edit{background:var(--bg-tertiary);border:1px solid var(--accent-blue);color:var(--text-primary);border-radius:4px;outline:none;width:140px;padding:2px 6px;font-size:12px;font-weight:500}.content-loading{flex-direction:column;gap:16px;padding:24px 0;display:flex}.content-loading .loading-spinner{width:24px;height:24px}@keyframes skeleton-pulse{0%{opacity:.4}50%{opacity:.15}to{opacity:.4}}.skeleton-line{background:var(--text-muted);border-radius:6px;height:14px;animation:1.5s ease-in-out infinite skeleton-pulse}.skeleton-line.skeleton-title{width:45%;height:24px;margin-bottom:8px}.skeleton-line.skeleton-subtitle{width:60%;height:18px;margin-top:16px;margin-bottom:4px}.skeleton-line.skeleton-short{width:30%}.skeleton-line.skeleton-medium{width:70%}.skeleton-line.skeleton-long{width:95%}.skeleton-line.skeleton-full{width:100%}.skeleton-block{background:var(--text-muted);border-radius:var(--radius-lg);opacity:.15;height:100px;margin:8px 0;animation:1.5s ease-in-out infinite skeleton-pulse}.toc-skeleton{flex-direction:column;gap:6px;padding:16px;display:flex}.toc-skeleton .skeleton-line{height:12px}.toc-skeleton .skeleton-line:first-child{text-transform:uppercase;width:50%;height:10px;margin-bottom:10px}.viewer-layout{flex:1;display:flex;overflow:hidden}.sidebar{width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--border-default);flex-direction:column;flex-shrink:0;display:flex;overflow:hidden}.sidebar-header{border-bottom:1px solid var(--border-muted);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.sidebar-title{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;font-size:13px;font-weight:600}.sidebar-count{color:var(--text-muted);background:var(--bg-elevated);border-radius:10px;padding:2px 8px;font-size:11px}.sidebar-nav{flex:1;padding:8px;overflow-y:auto}.sidebar-item{border-radius:var(--radius-md);width:100%;color:var(--text-secondary);cursor:pointer;text-align:left;transition:all var(--transition-fast);background:0 0;border:none;align-items:center;gap:10px;padding:10px 12px;font-size:14px;display:flex;position:relative}.sidebar-item:hover{background:var(--bg-hover);color:var(--text-primary)}.sidebar-item-active{background:var(--bg-active)!important;color:var(--text-primary)!important}.sidebar-item-active:before{content:"";background:var(--accent-blue);border-radius:2px;width:3px;height:20px;position:absolute;top:50%;left:0;transform:translateY(-50%)}.sidebar-item-icon{opacity:.6;flex-shrink:0}.sidebar-item-name{text-overflow:ellipsis;white-space:nowrap;flex:1;overflow:hidden}.sidebar-item-remove{color:var(--text-muted);cursor:pointer;opacity:0;transition:all var(--transition-fast);background:0 0;border:none;border-radius:4px;flex-shrink:0;padding:4px}.sidebar-item:hover .sidebar-item-remove{opacity:1}.sidebar-item-remove:hover{color:var(--accent-red);background:var(--bg-hover)}.sidebar-drag-handle{color:var(--text-muted);opacity:0;cursor:grab;transition:opacity var(--transition-fast);flex-shrink:0;align-items:center;margin-right:-2px;display:flex}.sidebar-item-draggable:hover .sidebar-drag-handle{opacity:.5}.sidebar-drag-handle:hover{color:var(--text-secondary);opacity:1!important}.sidebar-item-dragging{opacity:.4}.sidebar-item-drop-target{border-top:2px solid var(--accent-blue);margin-top:-2px}.sidebar-item-draggable{transition:background var(--transition-fast),border-top .1s ease}.viewer-main{scroll-behavior:smooth;flex:1;scroll-padding-top:24px;overflow:hidden auto}.viewer-content{max-width:900px;margin:0 auto;padding:32px 48px 120px}.viewer-file-header{border-bottom:1px solid var(--border-muted);margin-bottom:24px;padding-bottom:16px}.viewer-filename{color:var(--text-muted);font-size:13px;font-weight:500;font-family:var(--font-mono)}.toc{width:var(--toc-width);border-left:1px solid var(--border-muted);flex-shrink:0;padding:16px;overflow-y:auto}.toc-header{margin-bottom:12px}.toc-title{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:12px;font-weight:600}.toc-nav{flex-direction:column;display:flex}.toc-item{text-align:left;width:100%;color:var(--text-secondary);cursor:pointer;text-overflow:ellipsis;white-space:nowrap;background:0 0;border:none;border-left:2px solid #0000;border-radius:0 4px 4px 0;padding:5px 10px;font-size:13px;line-height:1.5;transition:color .15s,background .15s,border-color .2s;display:block;overflow:hidden}.toc-item:hover{color:var(--text-primary);background:var(--bg-hover)}.toc-item-active{border-left-color:var(--accent-blue);background:#388bfd14;font-weight:500;color:var(--accent-blue)!important}.toc-item-level-1{padding-left:8px;font-weight:600}.toc-item-level-2{padding-left:8px}.toc-item-level-3{padding-left:20px;font-size:12px}.toc-item-level-4{padding-left:32px;font-size:12px}.toc-item-level-5{padding-left:44px;font-size:11px}.toc-item-level-6{padding-left:56px;font-size:11px}.markdown-content{color:var(--text-primary);word-wrap:break-word;font-size:16px;line-height:1.7}.markdown-content h1,.markdown-content h2,.markdown-content h3,.markdown-content h4,.markdown-content h5,.markdown-content h6{color:var(--text-primary);scroll-margin-top:calc(var(--toolbar-height) + 20px);margin-top:1.5em;margin-bottom:.6em;font-weight:600;line-height:1.3}.markdown-content h1{border-bottom:1px solid var(--border-muted);padding-bottom:.3em;font-size:2em}.markdown-content h2{border-bottom:1px solid var(--border-muted);padding-bottom:.3em;font-size:1.5em}.markdown-content h3{font-size:1.25em}.markdown-content h4{font-size:1em}.markdown-content h5{font-size:.875em}.markdown-content h6{color:var(--text-secondary);font-size:.85em}.markdown-content p{margin-bottom:1em}.markdown-content a{color:var(--text-link);transition:border-color var(--transition-fast);border-bottom:1px solid #0000;text-decoration:none}.markdown-content a:hover{border-bottom-color:var(--text-link)}.markdown-content strong{color:var(--text-primary);font-weight:600}.markdown-content em{font-style:italic}.markdown-content ul,.markdown-content ol{margin-bottom:1em;padding-left:2em}.markdown-content li{margin-bottom:.35em}.markdown-content li>ul,.markdown-content li>ol{margin-bottom:0}.markdown-content input[type=checkbox]{accent-color:var(--accent-blue);margin-right:8px}.markdown-content blockquote{border-left:4px solid var(--border-default);color:var(--text-secondary);background:var(--bg-hover);border-radius:0 var(--radius-sm)var(--radius-sm)0;margin:1em 0;padding:.5em 1em}.markdown-content code{font-family:var(--font-mono);background:var(--bg-elevated);border:1px solid var(--border-muted);border-radius:4px;padding:.15em .4em;font-size:.875em}.markdown-content pre code{background:0 0;border:none;padding:0;font-size:.875em}.markdown-content pre{background:var(--bg-secondary);border:1px solid var(--border-default);border-radius:var(--radius-lg);margin:1em 0;padding:16px 20px;line-height:1.6;overflow-x:auto}.markdown-content table{border-collapse:collapse;width:100%;margin:1em 0;font-size:14px}.markdown-content thead th{background:var(--bg-secondary);text-align:left;border:1px solid var(--border-default);padding:10px 16px;font-weight:600}.markdown-content tbody td{border:1px solid var(--border-default);padding:10px 16px}.markdown-content tbody tr:nth-child(2n){background:var(--bg-hover)}.markdown-content hr{border:none;border-top:1px solid var(--border-default);margin:2em 0}.markdown-content img{border-radius:var(--radius-md);border:1px solid var(--border-default);max-width:100%}.markdown-content del{color:var(--text-muted)}.code-block-wrapper{border-radius:var(--radius-lg);border:1px solid var(--border-default);background:var(--bg-secondary);margin:1em 0;position:relative;overflow:hidden}.code-block-toolbar{background:var(--bg-tertiary);border-bottom:1px solid var(--border-muted);justify-content:space-between;align-items:center;padding:6px 12px;display:flex}.code-block-lang{font-size:11px;font-family:var(--font-mono);color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.code-copy-btn{color:var(--text-muted);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:4px 8px;display:flex}.code-copy-btn:hover{color:var(--text-primary);background:var(--bg-hover)}.code-copy-btn.copied{color:var(--accent-green)}.code-block-wrapper pre{border:none!important;border-radius:0!important;margin:0!important}.code-block-wrapper pre code{font-size:13px!important}.mermaid-wrapper{background:var(--bg-secondary);border:1px solid var(--border-default);border-radius:var(--radius-lg);transition:border-color var(--transition-fast);justify-content:center;margin:1.5em 0;padding:24px;display:flex;position:relative;overflow-x:auto}.mermaid-wrapper:hover{border-color:var(--accent-primary)}.mermaid-wrapper svg:not(.mermaid-toolbar svg){max-width:100%;height:auto}.mermaid-toolbar{opacity:0;z-index:10;gap:4px;transition:all .2s;display:flex;position:absolute;top:8px;right:8px;transform:translateY(-4px)}.mermaid-wrapper:hover .mermaid-toolbar{opacity:1;transform:translateY(0)}.mermaid-btn{background:var(--bg-primary);border:1px solid var(--border-default);border-radius:var(--radius-md);color:var(--text-secondary);font-size:11px;font-family:var(--font-sans);cursor:pointer;transition:all var(--transition-fast);align-items:center;gap:4px;padding:5px 10px;display:flex;box-shadow:0 1px 3px #0000001a}.mermaid-btn:hover{background:var(--bg-hover);color:var(--accent-primary);border-color:var(--accent-primary);box-shadow:0 2px 8px #6366f126}.mermaid-btn svg{flex-shrink:0}.mermaid-preview-overlay{z-index:9999;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#000000b3;justify-content:center;align-items:center;animation:.2s mermaid-overlay-in;display:flex;position:fixed;inset:0}@keyframes mermaid-overlay-in{0%{opacity:0}to{opacity:1}}.mermaid-preview-container{background:var(--bg-primary);border-radius:var(--radius-xl,16px);border:1px solid var(--border-default);flex-direction:column;width:90vw;max-width:1400px;height:85vh;animation:.25s mermaid-container-in;display:flex;overflow:hidden;box-shadow:0 25px 60px #0000004d}@keyframes mermaid-container-in{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.mermaid-preview-header{background:var(--bg-tertiary);border-bottom:1px solid var(--border-muted);color:var(--text-secondary);justify-content:space-between;align-items:center;padding:12px 20px;font-size:13px;font-weight:600;display:flex}.mermaid-preview-close{border-radius:var(--radius-md);width:32px;height:32px;color:var(--text-muted);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:1px solid #0000;justify-content:center;align-items:center;display:flex}.mermaid-preview-close:hover{background:var(--bg-hover);color:var(--text-primary);border-color:var(--border-default)}.mermaid-preview-body{cursor:grab;flex:1;justify-content:center;align-items:center;padding:40px;display:flex;overflow:auto}.mermaid-preview-body svg{transform-origin:50%;max-width:100%;max-height:100%;transition:transform .1s}.gh-alert{border-radius:var(--radius-md);border-left:4px solid;margin:1em 0;padding:12px 16px}.gh-alert p{margin-bottom:.5em}.gh-alert p:last-child{margin-bottom:0}.gh-alert-title{align-items:center;gap:8px;margin-bottom:8px;font-size:14px;font-weight:600;display:flex}.alert-note{background:var(--alert-note-bg);border-color:var(--alert-note-border)}.alert-note .gh-alert-title{color:var(--alert-note-text)}.alert-tip{background:var(--alert-tip-bg);border-color:var(--alert-tip-border)}.alert-tip .gh-alert-title{color:var(--alert-tip-text)}.alert-important{background:var(--alert-important-bg);border-color:var(--alert-important-border)}.alert-important .gh-alert-title{color:var(--alert-important-text)}.alert-warning{background:var(--alert-warning-bg);border-color:var(--alert-warning-border)}.alert-warning .gh-alert-title{color:var(--alert-warning-text)}.alert-caution{background:var(--alert-caution-bg);border-color:var(--alert-caution-border)}.alert-caution .gh-alert-title{color:var(--alert-caution-text)}.search-overlay{z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#00000080;justify-content:center;align-items:flex-start;padding-top:15vh;animation:.15s fadeIn;display:flex;position:fixed;inset:0}.search-dialog{background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:var(--radius-xl);width:560px;max-width:90vw;box-shadow:var(--shadow-lg);animation:.2s slideDown;overflow:hidden}.search-input-wrapper{border-bottom:1px solid var(--border-muted);align-items:center;gap:12px;padding:16px 20px;display:flex}.search-input-icon{color:var(--text-muted);flex-shrink:0}.search-input{color:var(--text-primary);font-size:16px;font-family:var(--font-inter);background:0 0;border:none;outline:none;flex:1}.search-input::placeholder{color:var(--text-muted)}.search-kbd{font-family:var(--font-mono);border:1px solid var(--border-default);color:var(--text-muted);background:var(--bg-tertiary);border-radius:4px;padding:2px 6px;font-size:11px}.search-results{max-height:360px;padding:8px;overflow-y:auto}.search-result-item{border-radius:var(--radius-md);width:100%;color:var(--text-secondary);cursor:pointer;text-align:left;transition:background var(--transition-fast);background:0 0;border:none;align-items:flex-start;gap:12px;padding:10px 12px;display:flex}.search-result-item:hover,.search-result-active{background:var(--bg-hover)}.search-result-active{background:var(--bg-active)}.search-result-icon{opacity:.5;flex-shrink:0;margin-top:2px}.search-result-content{flex:1;min-width:0}.search-result-file{color:var(--text-primary);margin-bottom:2px;font-size:13px;font-weight:600;display:block}.search-result-line{color:var(--text-muted);text-overflow:ellipsis;white-space:nowrap;font-size:13px;display:block;overflow:hidden}.search-result-ln{font-family:var(--font-mono);color:var(--text-muted);opacity:.6;margin-right:8px;font-size:11px}.search-highlight{color:var(--accent-blue);background:#58a6ff40;border-radius:2px;padding:0 2px}.search-empty{text-align:center;color:var(--text-muted);padding:24px;font-size:14px}.upload-container{flex:1;justify-content:center;align-items:center;display:flex;overflow-y:auto}.upload-hero{text-align:center;width:100%;max-width:720px;padding:48px 24px}.upload-logo{margin-bottom:40px}.upload-logo-icon{filter:drop-shadow(0 4px 12px #58a6ff4d);margin-bottom:16px;font-size:56px;display:block}.upload-title{background:linear-gradient(135deg,var(--accent-blue),var(--accent-purple),var(--accent-blue));-webkit-text-fill-color:transparent;letter-spacing:-.03em;background-size:200%;-webkit-background-clip:text;background-clip:text;font-size:40px;font-weight:800;animation:3s linear infinite shimmer}.upload-subtitle{color:var(--text-secondary);margin-top:8px;font-size:18px}.upload-dropzone{border:2px dashed var(--border-default);border-radius:var(--radius-xl);background:var(--bg-secondary);transition:all var(--transition-normal);cursor:pointer;padding:48px 32px;position:relative}.upload-dropzone:hover,.upload-dropzone-active{border-color:var(--accent-blue);box-shadow:var(--shadow-glow);background:#58a6ff0a}.upload-dropzone-active{border-color:var(--accent-blue);background:#58a6ff14;transform:scale(1.01)}.upload-icon{color:var(--text-muted);margin-bottom:16px}.upload-dropzone-text{color:var(--text-primary);margin-bottom:8px;font-size:18px;font-weight:600}.upload-dropzone-hint{color:var(--text-muted);font-size:14px}.upload-dropzone-hint code{background:var(--bg-elevated);font-family:var(--font-mono);border-radius:4px;padding:2px 6px;font-size:13px}.upload-buttons{justify-content:center;gap:12px;margin-top:24px;display:flex}.upload-btn{border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);border:none;align-items:center;gap:8px;padding:10px 20px;font-size:14px;font-weight:600;display:flex}.upload-btn-primary{background:linear-gradient(135deg,var(--accent-blue),var(--accent-purple));color:#fff}.upload-btn-primary:hover{opacity:.9;transform:translateY(-1px);box-shadow:0 4px 16px #58a6ff4d}.upload-btn-secondary{background:var(--bg-elevated);color:var(--text-primary);border:1px solid var(--border-default)}.upload-btn-secondary:hover{border-color:var(--border-hover);background:var(--bg-hover)}.upload-features{grid-template-columns:repeat(4,1fr);gap:16px;margin-top:48px;display:grid}.upload-feature-card{background:var(--bg-secondary);border:1px solid var(--border-muted);border-radius:var(--radius-lg);text-align:center;transition:all var(--transition-normal);padding:20px 16px}.upload-feature-card:hover{border-color:var(--border-default);box-shadow:var(--shadow-md);transform:translateY(-2px)}.upload-feature-icon{margin-bottom:8px;font-size:24px;display:block}.upload-feature-title{color:var(--text-primary);margin-bottom:4px;font-size:14px;font-weight:600}.upload-feature-desc{color:var(--text-muted);font-size:12px}.loading-screen{height:100vh;color:var(--text-muted);flex-direction:column;justify-content:center;align-items:center;gap:16px;display:flex}.loading-spinner{border:3px solid var(--border-default);border-top-color:var(--accent-blue);border-radius:50%;width:32px;height:32px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes shimmer{0%{background-position:0%}to{background-position:200%}}.toolbar-hamburger,.toolbar-overflow-container{display:none}@media (max-width:1024px){.toc{display:none}.viewer-content{padding:24px 32px 80px}}@media (max-width:768px){.toolbar-hamburger{display:flex}.toolbar-overflow-container{display:block;position:relative}.toolbar-secondary{display:none}.toolbar{gap:4px;padding:0 12px}.toolbar-right{gap:2px}.toolbar-btn{justify-content:center;min-width:44px;min-height:44px;padding:10px}.toolbar-reading-stats,.toolbar-theme-label,.toolbar-workspace-name,.toolbar-font-size{display:none}.toolbar-brand{font-size:16px}.sidebar{width:var(--sidebar-width);z-index:1000;transition:transform var(--transition-normal);box-shadow:none;position:fixed;top:0;bottom:0;left:0;transform:translate(-100%)}.sidebar.sidebar-mobile-open{transform:translate(0);box-shadow:4px 0 24px #0000004d}.sidebar-backdrop{z-index:999;background:#00000080;animation:.2s fade-in;position:fixed;inset:0}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.sidebar-item{min-height:44px;font-size:14px}.sidebar-folder-item{min-height:44px}.viewer-content{padding:20px 16px 80px}.upload-features{grid-template-columns:repeat(2,1fr)}.upload-title{font-size:28px}.viewer-content pre{-webkit-overflow-scrolling:touch;overflow-x:auto}.viewer-content table{-webkit-overflow-scrolling:touch;white-space:nowrap;display:block;overflow-x:auto}.workspace-tabs{-webkit-overflow-scrolling:touch;overflow-x:auto}.breadcrumbs{font-size:12px}}@media (max-width:480px){.viewer-content{padding:16px 12px 80px}.viewer-content h1{font-size:24px}.viewer-content h2{font-size:20px}.viewer-content h3{font-size:17px}.code-block-wrapper{border-radius:0;margin-left:-12px;margin-right:-12px}.viewer-filename{font-size:18px}.frontmatter-card{padding:12px}}.toolbar-overflow-menu{background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:var(--radius-lg);min-width:180px;box-shadow:var(--shadow-lg);z-index:1001;margin-top:6px;padding:6px;animation:.15s dropdown-in;position:absolute;top:100%;right:0}.toolbar-overflow-item{width:100%;color:var(--text-primary);cursor:pointer;border-radius:var(--radius-md);transition:background var(--transition-fast);background:0 0;border:none;align-items:center;gap:10px;padding:10px 14px;font-size:14px;display:flex}.toolbar-overflow-item:hover{background:var(--bg-hover)}@supports (padding:env(safe-area-inset-bottom)){.toolbar{padding-left:max(12px,env(safe-area-inset-left));padding-right:max(12px,env(safe-area-inset-right))}.viewer-content{padding-bottom:max(80px,calc(env(safe-area-inset-bottom) + 40px))}}.export-menu-container{position:relative}.export-dropdown{background:var(--bg-elevated);border:1px solid var(--border-default);border-radius:var(--radius-lg);min-width:240px;box-shadow:var(--shadow-lg);z-index:1000;margin-top:6px;padding:6px;animation:.15s dropdown-in;position:absolute;top:100%;right:0}@keyframes dropdown-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.export-dropdown-section{padding:2px 0}.export-dropdown-label{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);padding:6px 10px 4px;font-size:10px;font-weight:600}.export-dropdown-divider{background:var(--border-muted);height:1px;margin:4px 6px}.export-dropdown-item{width:100%;color:var(--text-primary);border-radius:var(--radius-sm);cursor:pointer;transition:background var(--transition-fast);text-align:left;background:0 0;border:none;align-items:center;gap:10px;padding:8px 10px;font-size:13px;font-weight:450;display:flex}.export-dropdown-item:hover{background:var(--bg-hover)}.export-dropdown-item svg{color:var(--text-secondary);flex-shrink:0}.export-dropdown-item span:nth-child(2){flex:1}.export-kbd{font-family:var(--font-mono);background:var(--bg-tertiary);border:1px solid var(--border-muted);color:var(--text-muted);border-radius:4px;padding:2px 5px;font-size:10px;line-height:1}.export-badge{background:var(--accent-blue);color:#fff;border-radius:8px;padding:2px 6px;font-size:10px;font-weight:600}.export-toast{background:var(--accent-green);color:#fff;box-shadow:var(--shadow-md);z-index:9999;border-radius:24px;align-items:center;gap:8px;padding:10px 18px;font-size:13px;font-weight:500;animation:.2s toast-in;display:flex;position:fixed;bottom:24px;left:50%;transform:translate(-50%)}@keyframes toast-in{0%{opacity:0;transform:translate(-50%)translateY(12px)}to{opacity:1;transform:translate(-50%)translateY(0)}}.sidebar-folder-item{cursor:pointer;-webkit-user-select:none;user-select:none;opacity:.8;align-items:center;gap:6px;display:flex}.sidebar-folder-item:hover{opacity:1}.folder-icon{color:var(--accent-orange)}.upload-section{width:100%;max-width:580px;margin-top:24px}.upload-section-title{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:10px;font-size:13px;font-weight:600}.github-import{width:100%}.github-import-input-row{background:var(--bg-secondary);border:1px solid var(--border-default);border-radius:var(--radius-lg);transition:border-color var(--transition-fast);align-items:center;gap:8px;padding:4px 4px 4px 14px;display:flex}.github-import-input-row:focus-within{border-color:var(--accent-blue);box-shadow:0 0 0 3px #58a6ff1a}.github-import-icon{color:var(--text-muted);flex-shrink:0}.github-import-input{color:var(--text-primary);font-size:13px;font-family:var(--font-mono);background:0 0;border:none;outline:none;flex:1;padding:8px 0}.github-import-input::placeholder{color:var(--text-muted);font-family:var(--font-sans)}.github-import-btn{background:var(--accent-blue);color:#fff;border-radius:var(--radius-md);cursor:pointer;transition:opacity var(--transition-fast);white-space:nowrap;border:none;padding:8px 16px;font-size:13px;font-weight:600}.github-import-btn:hover:not(:disabled){opacity:.9}.github-import-btn:disabled{opacity:.5;cursor:not-allowed}.github-import-error{color:var(--accent-red);align-items:center;gap:6px;margin-top:8px;font-size:12px;display:flex}.recent-workspaces{flex-direction:column;gap:4px;display:flex}.recent-workspace-card{background:var(--bg-secondary);border:1px solid var(--border-muted);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);text-align:left;align-items:center;gap:12px;width:100%;padding:10px 14px;display:flex}.recent-workspace-card:hover{border-color:var(--accent-blue);background:var(--bg-hover)}.recent-workspace-info{flex-direction:column;gap:2px;display:flex}.recent-workspace-title{color:var(--text-primary);font-size:13px;font-weight:600}.recent-workspace-meta{color:var(--text-muted);align-items:center;gap:4px;font-size:11px;display:flex}.recent-workspace-dot{margin:0 2px}.markdown-content a.internal-link{border-bottom:1px dashed var(--accent-blue);cursor:pointer}.markdown-content a.internal-link:hover{border-bottom-style:solid}.markdown-content a.broken-link{color:var(--accent-red);border-bottom:1px wavy var(--accent-red);cursor:not-allowed;text-decoration:none}.markdown-content a.broken-link:hover{opacity:.8}.spin{animation:1s linear infinite spin}.app.focus-mode .sidebar,.app.focus-mode .toc{display:none}.app.focus-mode .viewer-main{max-width:900px;margin:0 auto}.toolbar-focus-badge{background:var(--accent-purple);color:#fff;text-transform:uppercase;letter-spacing:.05em;border-radius:9999px;padding:2px 8px;font-size:10px;font-weight:700}.toolbar-font-size{color:var(--text-muted);text-align:center;min-width:32px;font-size:11px;font-weight:500}.breadcrumbs{color:var(--text-muted);align-items:center;gap:4px;padding:8px 0;font-size:12px;display:flex}.breadcrumb-sep{opacity:.4}.breadcrumb-folder{color:var(--text-secondary)}.breadcrumb-current{color:var(--text-primary);font-weight:600}.frontmatter-card{background:var(--bg-secondary);border:1px solid var(--border-muted);border-radius:var(--radius-lg);margin-bottom:20px;overflow:hidden}.frontmatter-header{text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);background:var(--bg-tertiary);border-bottom:1px solid var(--border-muted);padding:8px 14px;font-size:11px;font-weight:700}.frontmatter-grid{padding:10px 14px}.frontmatter-row{align-items:baseline;gap:12px;padding:4px 0;display:flex}.frontmatter-key{color:var(--text-secondary);flex-shrink:0;min-width:80px;font-size:12px;font-weight:600}.frontmatter-value{color:var(--text-primary);font-size:12px}.frontmatter-tags{flex-wrap:wrap;gap:4px;display:flex}.frontmatter-tag{background:var(--accent-blue);color:#fff;border-radius:9999px;padding:1px 8px;font-size:11px;font-weight:500}.frontmatter-bool.is-true{color:var(--accent-green);font-weight:600}.frontmatter-bool.is-false{color:var(--accent-red);font-weight:600}.presentation-overlay{z-index:9999;background:var(--bg-primary);flex-direction:column;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.presentation-controls{z-index:10;align-items:center;gap:12px;display:flex;position:absolute;top:16px;right:16px}.presentation-counter{color:var(--text-muted);font-size:14px;font-weight:500}.presentation-btn{background:var(--bg-hover);border:1px solid var(--border-default);border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer;padding:8px}.presentation-btn:hover{color:var(--text-primary)}.presentation-slide{width:100%;max-width:900px;max-height:calc(100vh - 120px);padding:60px;font-size:1.3em;overflow-y:auto}.presentation-nav{gap:8px;display:flex;position:absolute;bottom:32px}.presentation-nav-btn{background:var(--bg-secondary);border:1px solid var(--border-default);border-radius:var(--radius-lg);color:var(--text-primary);cursor:pointer;transition:all var(--transition-fast);padding:12px 20px}.presentation-nav-btn:hover:not(:disabled){background:var(--bg-hover);border-color:var(--accent-blue)}.presentation-nav-btn:disabled{opacity:.3;cursor:not-allowed}.split-view{border-left:2px solid var(--border-default);background:var(--bg-primary);flex-direction:column;width:50%;display:flex}.split-view-header{border-bottom:1px solid var(--border-muted);background:var(--bg-secondary);align-items:center;gap:8px;padding:8px 12px;display:flex}.split-view-title{color:var(--text-secondary);align-items:center;gap:6px;font-size:12px;font-weight:600;display:flex}.split-view-select{background:var(--bg-tertiary);border:1px solid var(--border-default);border-radius:var(--radius-sm);color:var(--text-primary);flex:1;padding:4px 8px;font-size:12px}.split-view-close{color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:4px}.split-view-close:hover{color:var(--text-primary)}.split-view-content{flex:1;overflow-y:auto}.split-view-pane{flex-direction:column;height:100%;display:flex}.split-view-pane-header{color:var(--text-secondary);border-bottom:1px solid var(--border-muted);padding:8px 16px;font-size:12px;font-weight:600}.split-view-pane-body{flex:1;padding:0 16px;overflow-y:auto}.split-view-empty{height:100%;color:var(--text-muted);justify-content:center;align-items:center;display:flex}.diff-view-overlay{z-index:9000;background:#0009;justify-content:center;align-items:center;padding:32px;display:flex;position:fixed;inset:0}.diff-view-container{background:var(--bg-primary);border:1px solid var(--border-default);border-radius:var(--radius-lg);flex-direction:column;width:100%;max-width:1000px;max-height:80vh;display:flex;overflow:hidden}.diff-view-header{background:var(--bg-secondary);border-bottom:1px solid var(--border-muted);align-items:center;gap:12px;padding:12px 16px;display:flex}.diff-view-title{color:var(--text-primary);align-items:center;gap:6px;font-size:14px;font-weight:600;display:flex}.diff-view-files{flex:1;align-items:center;gap:8px;display:flex}.diff-view-file-a{color:var(--accent-red);font-size:12px;font-weight:500}.diff-view-vs{color:var(--text-muted);font-size:11px}.diff-view-select{background:var(--bg-tertiary);border:1px solid var(--border-default);border-radius:var(--radius-sm);color:var(--text-primary);padding:4px 8px;font-size:12px}.diff-view-stats{gap:8px;font-size:12px;font-weight:600;display:flex}.diff-stat-add{color:var(--accent-green)}.diff-stat-remove{color:var(--accent-red)}.diff-view-close{color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:4px}.diff-view-close:hover{color:var(--text-primary)}.diff-view-body{flex:1;overflow:auto}.diff-view-code{font-family:var(--font-mono);margin:0;padding:8px 0;font-size:12px;line-height:1.6}.diff-line{padding:0 12px;display:flex}.diff-line-same{background:0 0}.diff-line-add{background:#3fb9501a}.diff-line-remove{background:#f851491a}.diff-line-num{text-align:right;width:40px;color:var(--text-muted);-webkit-user-select:none;user-select:none;flex-shrink:0;padding-right:8px}.diff-line-marker{text-align:center;width:20px;color:var(--text-muted);flex-shrink:0;font-weight:600}.diff-line-add .diff-line-marker{color:var(--accent-green)}.diff-line-remove .diff-line-marker{color:var(--accent-red)}.diff-line-content{white-space:pre-wrap;word-break:break-all;flex:1}.editor-overlay{z-index:9000;background:var(--bg-primary);flex-direction:column;display:flex;position:fixed;inset:0}.editor-container{flex-direction:column;flex:1;display:flex;overflow:hidden}.editor-toolbar{border-bottom:1px solid var(--border-muted);background:var(--bg-secondary);align-items:center;gap:12px;padding:8px 16px;display:flex}.editor-toolbar-left{color:var(--text-secondary);align-items:center;gap:8px;display:flex}.editor-filename{color:var(--text-primary);font-size:13px;font-weight:600}.editor-unsaved{color:var(--accent-orange);font-size:11px;font-weight:600}.editor-toolbar-center{background:var(--bg-tertiary);border-radius:var(--radius-md);margin:0 auto;padding:2px;display:flex}.editor-mode-btn{color:var(--text-muted);cursor:pointer;border-radius:var(--radius-sm);background:0 0;border:none;padding:4px 12px;font-size:12px;font-weight:500}.editor-mode-btn.active{background:var(--bg-primary);color:var(--text-primary);font-weight:600}.editor-toolbar-right{align-items:center;gap:8px;display:flex}.editor-save-btn{background:var(--accent-green);color:#fff;border-radius:var(--radius-md);cursor:pointer;border:none;align-items:center;gap:6px;padding:6px 14px;font-size:12px;font-weight:600;display:flex}.editor-save-btn:disabled{opacity:.4;cursor:not-allowed}.editor-close-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:4px}.editor-close-btn:hover{color:var(--text-primary)}.editor-body{flex:1;display:flex;overflow:hidden}.editor-format-bar{border-bottom:1px solid var(--border-default);background:var(--bg-secondary);flex-shrink:0;align-items:center;gap:2px;padding:4px 12px;display:flex}.editor-format-btn{width:28px;height:28px;color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:none;justify-content:center;align-items:center;display:flex}.editor-format-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.editor-format-btn:active{background:var(--bg-active);transform:scale(.95)}.editor-format-sep{background:var(--border-default);width:1px;height:18px;margin:0 4px}.editor-mode-split .editor-edit-pane,.editor-mode-split .editor-preview-pane{width:50%}.editor-mode-edit .editor-edit-pane,.editor-mode-preview .editor-preview-pane{width:100%}.editor-edit-pane{border-right:1px solid var(--border-muted);display:flex}.editor-textarea{background:var(--bg-primary);width:100%;height:100%;color:var(--text-primary);resize:none;font-family:var(--font-mono);tab-size:2;border:none;outline:none;padding:20px;font-size:14px;line-height:1.7}.editor-preview-pane{overflow-y:auto}.editor-preview-content{max-width:800px;padding:20px 40px}.markdown-content th[data-sortable=true]{cursor:pointer;-webkit-user-select:none;user-select:none;position:relative}.markdown-content th[data-sortable=true]:hover{background:var(--bg-hover)}.markdown-content th.sorted-asc:after,.markdown-content th.sorted-desc:after{content:"";vertical-align:middle;border-left:4px solid #0000;border-right:4px solid #0000;width:0;height:0;margin-left:6px;display:inline-block}.markdown-content th.sorted-asc:after{border-bottom:5px solid var(--text-secondary)}.markdown-content th.sorted-desc:after{border-top:5px solid var(--text-secondary)}.katex-block{text-align:center;padding:16px 0;overflow-x:auto}.katex-inline{display:inline}@media print{.toolbar,.workspace-tabs,.sidebar,.toc,.search-overlay,.export-dropdown,.export-toast,.code-block-toolbar,.upload-container{display:none!important}.app,.viewer-layout{display:block!important}.viewer-main{width:100%!important;max-width:none!important;padding:0!important;overflow:visible!important}.viewer-content{max-width:none!important;padding:0!important}.markdown-content{font-size:12pt;color:#000!important}.markdown-content pre{page-break-inside:avoid;background:#f6f8fa!important;border:1px solid #ddd!important}.markdown-content table{page-break-inside:avoid}.markdown-content h1,.markdown-content h2,.markdown-content h3{page-break-after:avoid;color:#000!important}.markdown-content a{text-decoration:underline;color:#0969da!important}}.annotation-toolbar{z-index:100;background:var(--bg-primary);border:1px solid var(--border-default);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);padding:6px;animation:.15s fadeInUp;position:absolute}.annotation-toolbar-buttons{align-items:center;gap:6px;display:flex}.annotation-color-row{gap:3px;display:flex}.annotation-color-btn{cursor:pointer;border:2px solid #0000;border-radius:50%;width:16px;height:16px;transition:transform .1s}.annotation-color-btn.active{border-color:var(--text-primary);transform:scale(1.2)}.annotation-action-btn{background:var(--bg-hover);width:28px;height:28px;color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-fast);border:none;justify-content:center;align-items:center;display:flex}.annotation-action-btn:hover{background:var(--accent-blue);color:#fff}.annotation-note-input{flex-direction:column;gap:6px;min-width:220px;display:flex}.annotation-note-textarea{border:1px solid var(--border-default);border-radius:var(--radius-sm);background:var(--bg-secondary);width:100%;color:var(--text-primary);resize:none;padding:6px 8px;font-family:inherit;font-size:.8rem}.annotation-note-actions{justify-content:flex-end;gap:6px;display:flex}.annotation-note-cancel,.annotation-note-save{border-radius:var(--radius-sm);cursor:pointer;border:none;padding:4px 10px;font-size:.75rem}.annotation-note-cancel{background:var(--bg-hover);color:var(--text-secondary)}.annotation-note-save{background:var(--accent-blue);color:#fff}.annotation-panel{border-top:1px solid var(--border-default);max-height:200px;padding:12px 16px;overflow-y:auto}.annotation-panel-header{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.04em;align-items:center;gap:6px;margin-bottom:8px;font-size:.75rem;font-weight:600;display:flex}.annotation-panel-list{flex-direction:column;gap:6px;display:flex}.annotation-panel-item{border-radius:var(--radius-sm);background:var(--bg-secondary);cursor:pointer;transition:background var(--transition-fast);padding:8px}.annotation-panel-item:hover,.annotation-panel-item.active{background:var(--bg-hover)}.annotation-panel-highlight{border-left:3px solid;padding-left:8px}.annotation-panel-text{color:var(--text-secondary);font-size:.78rem;font-style:italic}.annotation-panel-note{color:var(--text-primary);margin-top:4px;padding-left:11px;font-size:.78rem}.annotation-panel-actions{justify-content:flex-end;margin-top:4px;display:flex}.annotation-panel-delete{color:var(--text-muted);cursor:pointer;border-radius:var(--radius-sm);transition:all var(--transition-fast);background:0 0;border:none;align-items:center;padding:2px 4px;display:flex}.annotation-panel-delete:hover{color:var(--accent-red);background:var(--bg-hover)}.version-panel{border-top:1px solid var(--border-default);max-height:200px;padding:12px 16px;overflow-y:auto}.version-panel-header{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.04em;align-items:center;gap:6px;margin-bottom:8px;font-size:.75rem;font-weight:600;display:flex}.version-panel-empty{color:var(--text-muted);flex-direction:column;align-items:center;gap:4px;padding:16px;font-size:.8rem;display:flex}.version-panel-hint{opacity:.6;font-size:.7rem}.version-panel-list{flex-direction:column;gap:4px;display:flex}.version-panel-item{border-radius:var(--radius-sm);background:var(--bg-secondary);cursor:pointer;transition:background var(--transition-fast);padding:8px}.version-panel-item:hover,.version-panel-item.active{background:var(--bg-hover)}.version-panel-item-header{justify-content:space-between;align-items:center;display:flex}.version-panel-time{color:var(--text-primary);font-size:.78rem;font-weight:500}.version-panel-source{color:var(--text-muted);background:var(--bg-secondary);border-radius:8px;padding:1px 6px;font-size:.68rem}.version-panel-item-meta{color:var(--text-muted);margin-top:2px;font-size:.7rem}.version-panel-item-actions{gap:6px;margin-top:6px;display:flex}.version-restore-btn{border-radius:var(--radius-sm);background:var(--accent-blue);color:#fff;cursor:pointer;border:none;align-items:center;gap:4px;padding:3px 8px;font-size:.72rem;display:flex}.version-delete-btn{border-radius:var(--radius-sm);background:var(--bg-hover);color:var(--text-muted);cursor:pointer;border:none;align-items:center;padding:3px 6px;display:flex}.version-delete-btn:hover{color:var(--accent-red)}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}