*,*:before,*:after{box-sizing:border-box}:root{--color-bg: #f4f7f6;--color-bg-sidebar: #ffffff;--color-bg-header: #24292e;--color-text-primary: #24292e;--color-text-secondary: #586069;--color-text-header: #ffffff;--color-text-link: #0366d6;--color-border: #e1e4e8;--color-bg-hover: #f6f8fa;--color-bg-code: rgba(27, 31, 35, .05);--color-bg-quote: #f6f8fa}.dark-mode{--color-bg: #0d1117;--color-bg-sidebar: #161b22;--color-bg-header: #161b22;--color-text-primary: #c9d1d9;--color-text-secondary: #8b949e;--color-text-header: #f0f6fc;--color-text-link: #58a6ff;--color-border: #30363d;--color-bg-hover: #21262d;--color-bg-code: #21262d;--color-bg-quote: #161b22}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--color-bg);color:var(--color-text-primary)}.app-container{display:grid;grid-template-rows:60px 1fr;grid-template-columns:240px 1fr;height:100vh;grid-template-areas:"header header" "sidebar content" "footer footer";background-color:var(--color-bg)}.app-header{grid-area:header;background-color:var(--color-bg-header);color:var(--color-text-header);border-bottom:1px solid var(--color-border);display:flex;justify-content:space-between;align-items:center;padding:0 20px}.header-left{display:flex;align-items:center;min-width:0}.header-right{display:flex;align-items:center}.app-header h1{color:var(--color-text-header);font-size:1.2rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.title-short{display:none}.title-long{display:block}.app-content{grid-area:content;overflow-y:auto;padding:20px 30px;min-width:0;background-color:var(--color-bg)}.app-sidebar{grid-area:sidebar;background-color:var(--color-bg-sidebar);border-right:1px solid var(--color-border);color:var(--color-text-secondary);padding:15px;overflow-y:auto}.app-sidebar h3{border-bottom:1px solid var(--color-border);color:var(--color-text-primary);margin-top:0;padding-bottom:8px}.app-sidebar ul{list-style:none;padding:0;margin:0}.app-sidebar li button{background:none;border:none;color:var(--color-text-link);cursor:pointer;padding:8px 12px;text-align:left;width:100%;border-radius:5px}.app-sidebar li button:hover{background-color:var(--color-bg-hover);text-decoration:underline}.dark-mode-toggle{background:none;border:1px solid var(--color-border);color:var(--color-text-header);border-radius:6px;width:40px;height:40px;font-size:1.2rem;cursor:pointer;transition:background-color .2s;display:flex;justify-content:center;align-items:center}.dark-mode-toggle:hover{background-color:var(--color-bg-hover)}.dark-mode-toggle img{width:28px;height:28px}.sidebar-title-button{background:none;border:none;color:inherit;font-size:inherit;font-weight:inherit;padding:0;margin:0;cursor:pointer}.sidebar-title-button:hover{color:var(--color-text-link)}.sidebar-random-button{display:block;width:100%;padding:10px 12px;margin-bottom:15px;font-size:.9rem;font-weight:500;text-align:center;border:1px solid var(--color-border);background-color:var(--color-bg-hover);color:var(--color-text-primary);border-radius:6px;cursor:pointer}.sidebar-random-button:hover{border-color:#8b949e}.sidebar-search{margin-bottom:15px}.sidebar-search input{width:100%;padding:8px 12px;border-radius:6px;border:1px solid var(--color-border);background-color:var(--color-bg);color:var(--color-text-primary);box-sizing:border-box}.sidebar-search input:focus{outline:none;border-color:var(--color-text-link)}.sidebar-no-results{padding:8px 12px;font-style:italic;color:var(--color-text-secondary)}.welcome-screen{text-align:center;padding-top:40px;color:var(--color-text-secondary)}.welcome-screen h2{font-size:2rem;font-weight:600;color:var(--color-text-primary);border-bottom:none;margin:0 0 10px}.welcome-screen p{font-size:1.1rem;margin-bottom:30px}.welcome-stats{display:flex;flex-wrap:wrap;justify-content:center;gap:24px}.welcome-stats a{display:flex;flex-direction:column;align-items:center;gap:8px;padding:15px 20px;border:1px solid var(--color-border);border-radius:8px;background-color:var(--color-bg-hover);color:var(--color-text-primary);text-decoration:none;min-width:120px;transition:background-color .2s ease,border-color .2s ease}.welcome-stats a:hover{background-color:var(--color-bg-sidebar);border-color:#8b949e}.welcome-stats svg{width:20px;height:20px;fill:var(--color-text-secondary)}.welcome-stats strong{font-size:1.2rem;font-weight:600}.welcome-contribution{margin-top:30px;font-size:.95rem;color:var(--color-text-secondary)}.welcome-contribution a{color:var(--color-text-link);text-decoration:none;font-weight:500}.welcome-contribution a:hover{text-decoration:underline}.markdown-body{line-height:1.6;color:var(--color-text-primary);word-break:break-word;overflow-wrap:break-word}.markdown-body img{max-width:100%;height:auto}.markdown-body pre{overflow-x:auto;background-color:var(--color-bg-code);padding:16px;border-radius:6px;max-width:100%;box-sizing:border-box}.markdown-body table{display:block;max-width:100%;overflow-x:auto;border-collapse:collapse;margin-bottom:16px}.markdown-body th,.markdown-body td{padding:8px 12px;border:1px solid var(--color-border)}.markdown-body h1,.markdown-body h2{border-bottom:1px solid var(--color-border)}.markdown-body code{background-color:var(--color-bg-code);color:var(--color-text-primary);border-radius:3px;padding:.2em .4em;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,Courier,monospace}.markdown-body blockquote{border-left:.25em solid var(--color-border);color:var(--color-text-secondary);background-color:var(--color-bg-quote);padding:0 1em;margin-left:0}.current-file-display{display:flex;align-items:center;padding:8px 12px;margin-bottom:20px;background-color:var(--color-bg-hover);border-radius:6px;border:1px solid var(--color-border);color:var(--color-text-secondary);font-size:.9rem;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.current-file-display svg{fill:currentColor}.menu-toggle{display:none;background:none;border:none;cursor:pointer;padding:10px;margin-right:10px;z-index:1100}.hamburger-icon{display:block;width:24px;height:2px;background-color:var(--color-text-header);position:relative;transition:background-color .3s ease}.hamburger-icon:before,.hamburger-icon:after{content:"";position:absolute;width:24px;height:2px;background-color:var(--color-text-header);left:0;transition:transform .3s ease,top .3s ease}.hamburger-icon:before{top:-7px}.hamburger-icon:after{top:7px}.menu-toggle.open .hamburger-icon{background-color:transparent}.menu-toggle.open .hamburger-icon:before{transform:rotate(45deg);top:0}.menu-toggle.open .hamburger-icon:after{transform:rotate(-45deg);top:0}.overlay{display:none}.app-footer{grid-area:footer;padding:12px 20px;text-align:right;font-size:.85rem;color:var(--color-text-secondary);background-color:var(--color-bg-sidebar);border-top:1px solid var(--color-border)}@media(max-width:768px){body{overflow:auto}.app-container{grid-template-rows:60px 1fr;grid-template-columns:1fr;height:auto;min-height:100vh;grid-template-areas:"header" "content" "footer"}.app-header{flex-direction:row}.header-left{display:flex;align-items:center;flex:1;min-width:0}.header-right{display:flex;align-items:center;margin-left:10px}.app-header h1{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1;min-width:0;font-size:1rem;margin-left:10px}.title-long{display:none}.title-short,.menu-toggle{display:block}.app-sidebar{position:fixed;top:60px;left:0;width:260px;height:calc(100vh - 60px);transform:translate(-100%);transition:transform .3s ease-in-out;z-index:1000;background-color:var(--color-bg-sidebar);border-right:1px solid var(--color-border)}.app-sidebar.open{transform:translate(0);box-shadow:0 0 15px #0003}.app-content{overflow-y:visible;padding:15px}.overlay{display:block;position:fixed;top:60px;left:0;width:100%;height:100%;background:#0006;z-index:999;opacity:1;transition:opacity .3s ease-in-out}.welcome-stats{gap:15px}.welcome-stats a{min-width:100px}.app-footer{text-align:center}}