@import "https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--primary:#0d9373;--primary-hover:#0a7d62;--primary-light:#e6f5f0;--primary-muted:#0d93731f;--danger:#e5484d;--danger-light:#fdecec;--bg:#1a1818;--bg-elevated:#222020;--bg-muted:#252323;--bg-subtle:#1a1818;--bg-hover:#2a2828;--bg-active:#0d93731a;--bg-active-strong:#e6f5f0;--border:#4a4848;--border-hover:#5c5a5a;--border-active:#0d937366;--text:#eceef2;--text-muted:#a8b0bd;--overlay:#0006;--hint-info-bg:#1e2a38;--hint-info-icon:#60a5fa;--hint-info-text:#d1e3f8;--hint-success-bg:#1e3d32;--hint-success-icon:#2dd4a8;--hint-success-text:#b8e6d0;--hint-warning-bg:#2b2118;--hint-warning-icon:#f59e0b;--hint-warning-text:#e8ddd0;--radius:12px;--radius-sm:8px;--shadow:0 1px 3px #00000014;--shadow-lg:0 8px 30px #0000001f;--max-width:1100px;--sidebar-width:340px;--header-height:72px;--header-bg:var(--bg);--header-bg-scrolled:#1a1818b8;--scrollbar-thumb:#434343;--scrollbar-track:#0000;color:var(--text);background:var(--bg);font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.5}[data-theme=dark]{--primary:#2dd4a8;--primary-hover:#3ee4b8;--primary-light:#1e3d32;--primary-muted:#2dd4a824;--danger:#f87171;--danger-light:#3d2222;--bg:#1a1818;--bg-elevated:#222020;--bg-muted:#252323;--bg-subtle:#1a1818;--bg-hover:#2d3440;--bg-active:#2dd4a824;--bg-active-strong:#1e3d32;--border:#4a4848;--border-hover:#5c5a5a;--border-active:#2dd4a873;--text:#eceef2;--text-muted:#a8b0bd;--overlay:#0000008c;--header-bg:var(--bg);--header-bg-scrolled:#1a1818b8;--hint-info-bg:#1e2a38;--hint-info-icon:#60a5fa;--hint-info-text:#d1e3f8;--hint-success-bg:#1e3d32;--hint-success-icon:#2dd4a8;--hint-success-text:#b8e6d0;--hint-warning-bg:#2b2118;--hint-warning-icon:#f59e0b;--hint-warning-text:#e8ddd0;--shadow:0 1px 3px #00000047;--shadow-lg:0 8px 30px #00000073}body{background:var(--bg);min-height:100vh;color:var(--text);margin:0}*,:before,:after{box-sizing:border-box;scrollbar-width:thin;scrollbar-color:var(--scrollbar-thumb) var(--scrollbar-track)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--scrollbar-track)}::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:999px}::-webkit-scrollbar-thumb:hover{background:#434343}a{color:var(--primary);text-decoration:none;transition:color .15s}a:hover{color:var(--text);text-decoration:underline}button{font:inherit;cursor:pointer}.icon{width:1.25rem;height:1.25rem;display:inline-flex}.icon svg{width:100%;height:100%}.header{z-index:100;height:var(--header-height);border-bottom:1px solid var(--border);background:var(--header-bg);transition:background .25s,border-color .25s,-webkit-backdrop-filter .25s,backdrop-filter .25s;position:sticky;top:0}.header.header-scrolled{background:var(--header-bg-scrolled);-webkit-backdrop-filter:blur(14px)}.header-inner{box-sizing:border-box;justify-content:space-between;align-items:center;gap:1rem;max-width:1400px;height:100%;margin:0 auto;padding:.875rem 1.5rem;display:flex}.header-leading{align-items:center;gap:.75rem;min-width:0;display:flex}.header-menu-btn{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-muted);width:36px;height:36px;color:var(--text);cursor:pointer;flex-shrink:0;justify-content:center;align-items:center;padding:0;transition:color .15s,border-color .15s,background .15s;display:flex}.header-menu-btn:hover{color:var(--text);border-color:var(--border-hover);background:var(--bg-hover)}.header-actions{align-items:center;gap:.5rem;display:flex}.theme-toggle{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-muted);width:36px;height:36px;color:var(--text-muted);flex-shrink:0;justify-content:center;align-items:center;padding:0;transition:color .15s,border-color .15s,background .15s;display:flex}.theme-toggle svg{width:1.125rem;height:1.125rem}.theme-toggle:hover{color:var(--text);border-color:var(--border-hover);background:var(--bg-hover)}.logo{color:var(--text);align-items:center;gap:.5rem;font-weight:600;text-decoration:none;display:flex}.logo:hover{text-decoration:none}.logo-img{object-fit:contain;background:0 0;flex-shrink:0;width:32px;height:32px}.logo-text{font-size:.9375rem}.search-trigger{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-muted);color:var(--text-muted);align-items:center;gap:.5rem;min-width:220px;padding:.5rem .75rem;transition:color .15s,border-color .15s,background .15s;display:flex}.search-trigger:hover{color:var(--text);border-color:var(--border-hover);background:var(--bg-hover)}.search-trigger svg{flex-shrink:0;width:1rem;height:1rem}.search-trigger kbd{border:1px solid var(--border);background:var(--bg-elevated);color:var(--text-muted);border-radius:4px;margin-left:auto;padding:.125rem .375rem;font-size:.7rem}.main{min-height:calc(100vh - var(--header-height))}.main-home .content{max-width:none;padding:0}.home-body{max-width:var(--max-width);margin:0 auto;padding:2rem 1.5rem 4rem}.page-cover{background:var(--bg-subtle);border-bottom-left-radius:5px;width:100%;overflow:hidden}.page-cover img{aspect-ratio:1990/480;object-fit:cover;object-position:50% 50%;border-bottom-left-radius:5px;width:100%;display:block}.main-inner{background:var(--bg);max-width:1400px;margin:0 auto;display:flex}.main-inner .content{background:var(--bg);flex:1;min-width:0;max-width:none;padding:0 0 4rem}.main-inner .content .page-cover{width:100%;margin-bottom:0}.main-inner .content-inner{max-width:820px;margin:0 2rem;padding:2rem 2.5rem 0}.sidebar{width:var(--sidebar-width);flex:0 1 var(--sidebar-width);min-width:0;max-width:100%;top:var(--header-height);height:calc(100vh - var(--header-height));background:var(--bg-subtle);--sidebar-hover-bg:#262424;padding:1.25rem 0 1.5rem;position:sticky;overflow-y:auto}.sidebar-home{color:var(--text);border-radius:var(--radius-sm);align-items:center;gap:.625rem;margin:0 .5rem 1.25rem;padding:.5rem 1.25rem;font-size:.9375rem;font-weight:500;text-decoration:none;transition:color .15s,background .15s;display:flex}.sidebar-home:hover{color:#fff;background:var(--sidebar-hover-bg);text-decoration:none}.sidebar-home.active{color:#fff;font-weight:600}.sidebar-home-icon{color:var(--text-muted);flex-shrink:0}.sidebar-home:hover .sidebar-home-icon,.sidebar-home.active .sidebar-home-icon{color:#fff}.sidebar-section{margin-bottom:1.25rem}.sidebar-section-title{text-transform:uppercase;letter-spacing:.04em;color:#fff;border-radius:var(--radius-sm);cursor:pointer;text-align:left;background:0 0;border:none;justify-content:space-between;align-items:flex-start;gap:.5rem;width:calc(100% - 1rem);margin:0 .5rem;padding:.375rem 1.25rem;font-family:inherit;font-size:.875rem;font-weight:700;line-height:1.45;text-decoration:none;transition:color .15s,background .15s;display:flex}.sidebar-section-icon{color:#fff;flex-shrink:0;margin-top:.125rem}.sidebar-section-title-text{overflow-wrap:break-word;flex:1;min-width:0}.sidebar-section-chevron{color:var(--text-muted);flex-shrink:0;margin-top:.125rem;transition:transform .2s}.sidebar-section-chevron.open{transform:rotate(180deg)}.sidebar-section-title:hover{color:#fff;background:var(--sidebar-hover-bg);text-decoration:none}.sidebar-section-title:hover .sidebar-section-chevron{color:#fff}.sidebar-section-title.active{color:#fff;font-weight:700}.sidebar-section-header{align-items:flex-start;gap:0;width:calc(100% - 1rem);margin:0 .5rem;display:flex}.sidebar-section-link{flex:1;width:auto;min-width:0;margin:0}.sidebar-section-toggle{border-radius:var(--radius-sm);cursor:pointer;background:0 0;border:none;flex-shrink:0;justify-content:center;align-self:stretch;align-items:center;width:2.25rem;margin:0;padding:0;transition:background .15s;display:flex}.sidebar-section-toggle:hover{background:var(--sidebar-hover-bg)}.sidebar-section-toggle:hover .sidebar-section-chevron{color:#fff}.sidebar-backdrop{inset:0;top:var(--header-height);z-index:150;background:var(--overlay);cursor:pointer;border:none;padding:0;position:fixed}.sidebar ul{margin:0;padding:0;list-style:none}.sidebar li a{color:var(--text-muted);border-radius:var(--radius-sm);align-items:flex-start;gap:.625rem;margin:0 .5rem;padding:.5rem 1.25rem;font-size:1rem;line-height:1.45;text-decoration:none;transition:color .15s,background .15s;display:flex}.sidebar-item-icon{color:var(--text-muted);flex-shrink:0;margin-top:.2rem}.sidebar-item-text{overflow-wrap:break-word;flex:1;min-width:0}.sidebar li a:hover{color:var(--text);background:var(--sidebar-hover-bg);text-decoration:none}.sidebar li a:hover .sidebar-item-icon{color:var(--text)}.sidebar li a.active,.sidebar li a.active .sidebar-item-icon{color:color-mix(in srgb, var(--text) 50%, transparent)}.hero{text-align:center;padding:3rem 1rem 2.5rem}.hero h1{letter-spacing:-.02em;margin:0 0 .75rem;font-size:2rem;font-weight:700}.hero p{max-width:520px;color:var(--text-muted);margin:0 auto 1.75rem;font-size:1rem;line-height:1.6}.hero-search-btn{border:1px solid var(--border);background:var(--bg-muted);color:var(--text);cursor:pointer;border-radius:10px;justify-content:center;align-items:center;gap:.625rem;padding:.875rem 1.75rem;font-family:inherit;font-size:1rem;font-weight:600;line-height:1;transition:background .2s,border-color .2s,color .2s;display:inline-flex}.hero-search-btn:hover{background:var(--sidebar-hover-bg);border-color:var(--border-hover);color:#fff}.hero-search-btn:active{background:#2a2828}.btn-primary{border-radius:var(--radius-sm);background:var(--primary);color:#fff;border:none;justify-content:center;align-items:center;padding:.625rem 1.25rem;font-size:.9375rem;font-weight:500;transition:background .15s,transform .15s;display:inline-flex}.btn-primary:hover{background:var(--sidebar-hover-bg);color:var(--text)}[data-theme=dark] .btn-primary{color:#0f1419}.category-grid{grid-template-columns:repeat(3,1fr);gap:1rem;margin-bottom:2.5rem;display:grid}.category-card{border:1px solid var(--border);border-radius:var(--radius);color:var(--text);background:0 0;flex-direction:column;gap:.5rem;padding:1.25rem;text-decoration:none;transition:border-color .15s,background .15s;display:flex}.category-card:hover{border-color:var(--border-hover);background:var(--sidebar-hover-bg);text-decoration:none}.category-icon{color:var(--text-muted);flex-shrink:0}.accent-danger .category-icon{color:var(--danger)}.category-card h4{color:var(--text);margin:0;font-size:.9375rem;font-weight:600}.category-card p{color:var(--text-muted);margin:0;font-size:.8125rem;line-height:1.4}.article-columns{grid-template-columns:1fr 1fr;gap:2rem;display:grid}.article-column{flex-direction:column;gap:.75rem;display:flex}.article-column h3{color:#fff;letter-spacing:.03em;margin:4rem 0 .25rem;font-size:1.4rem;font-weight:700}.article-link{border:1px solid var(--border);border-radius:var(--radius);color:var(--text);background:0 0;align-items:center;gap:.75rem;padding:1rem 1.25rem;font-size:.9375rem;text-decoration:none;transition:color .15s,background .15s,border-color .15s;display:flex}.article-link-title{flex:1;min-width:0;line-height:1.4}.article-link-icon{color:var(--text-muted);flex-shrink:0}.article-link-chevron{color:var(--text-muted);opacity:.85;flex-shrink:0}.article-link:hover{color:var(--text);background:var(--sidebar-hover-bg);border-color:var(--border-hover);text-decoration:none}.article-link:hover .article-link-icon,.article-link:hover .article-link-chevron{color:var(--text)}.breadcrumb{color:var(--text-muted);text-transform:capitalize;border-radius:var(--radius-sm);margin-bottom:1rem;margin-left:-.5rem;padding:.25rem .5rem;font-size:.8125rem;transition:color .15s,background .15s;display:inline-block}.breadcrumb:hover{color:var(--text);background:var(--sidebar-hover-bg);text-decoration:none}.breadcrumb-with-icon{color:color-mix(in srgb, var(--text-muted) 50%, transparent);align-items:center;gap:.5rem;display:inline-flex}.breadcrumb-icon{width:1.2em;height:1.2em;color:inherit;flex-shrink:0}.breadcrumb-with-icon:hover{color:color-mix(in srgb, var(--text) 50%, transparent)}.category-page h1,.article-page h1{letter-spacing:-.02em;margin:0 0 .5rem;font-size:1.75rem;font-weight:700}.article-page-title{align-items:center;gap:.75rem;margin-bottom:.5rem;font-size:1.75rem;display:flex}.article-page-title h1{min-width:0;font-size:inherit;flex:1;margin:0}.article-page-title-icon{width:1em;height:1em;color:var(--text);opacity:.5;flex-shrink:0}.lead,.article-description{color:var(--text-muted);margin:0 0 1.5rem}.category-hero{color:var(--primary);margin-bottom:1rem}.category-hero .icon{width:2rem;height:2rem}.article-list{flex-direction:column;gap:.75rem;margin:0;padding:0;list-style:none;display:flex}.article-list li{margin:0}.article-list a{border:1px solid var(--border);border-radius:var(--radius);color:var(--text);background:0 0;margin:0;padding:1rem 1.25rem;text-decoration:none;transition:color .15s,background .15s,border-color .15s;display:block}.article-list a:hover{border-color:var(--border-hover);background:var(--sidebar-hover-bg);text-decoration:none}.article-list a:hover strong{color:var(--text)}.article-list strong{margin-bottom:.25rem;font-size:.9375rem;display:block}.article-list span{color:var(--text-muted);font-size:.8125rem}.placeholder-card{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-elevated);text-align:center;margin-top:2rem;padding:2rem}.placeholder-card p{color:var(--text-muted);margin:0 0 1rem}.article-content{font-size:.9375rem;line-height:1.7}.article-content h3,.article-content h4{letter-spacing:-.01em;margin:1.75rem 0 .75rem;font-weight:600}.article-content h3{font-size:1.125rem}.article-content h4{font-size:1rem}.article-content p{margin:0 0 1rem}.article-content ul,.article-content ol{margin:0 0 1rem;padding-left:1.5rem}.article-content li{margin-bottom:.375rem}.article-content hr{border:none;border-top:1px solid var(--border);margin:1.5rem 0}.hint{border:none;border-radius:8px;align-items:flex-start;gap:.75rem;margin:1rem 0;padding:1rem 1.25rem;font-size:.875rem;line-height:1.5;display:flex}.hint-content{flex:1;min-width:0}.hint p{margin:0}.hint-icon{flex-shrink:0;margin-top:.125rem}.hint-info{background:var(--hint-info-bg);color:var(--hint-info-text)}.hint-icon-info{color:var(--hint-info-icon)}.hint-success{background:var(--hint-success-bg);color:var(--hint-success-text)}.hint-icon-success{color:var(--hint-success-icon)}.hint-warning{background:var(--hint-warning-bg);color:var(--hint-warning-text)}.hint-icon-warning{color:var(--hint-warning-icon)}.checklist-card{border:1px solid var(--border);border-radius:var(--radius);color:var(--text);background:0 0;align-items:center;gap:.875rem;margin:.75rem 0;padding:1rem 1.25rem;text-decoration:none;transition:color .15s,border-color .15s,background .15s;display:flex}.checklist-card:hover{border-color:var(--border-hover);background:var(--sidebar-hover-bg);text-decoration:none}.checklist-card:hover .checklist-card-icon,.checklist-card:hover .checklist-card-chevron{color:var(--text)}.checklist-card-icon{color:var(--text-muted);flex-shrink:0}.checklist-card-title{flex:1;min-width:0;font-size:.9375rem;font-weight:500;line-height:1.4}.checklist-card-chevron{color:var(--text-muted);opacity:.85;flex-shrink:0}.checklist-columns{grid-template-columns:1fr 1fr;gap:.75rem;margin:.75rem 0;display:grid}.checklist-columns .checklist-card{margin:0}@media (width<=700px){.checklist-columns{grid-template-columns:1fr}}.related{border-top:1px solid var(--border);margin-top:2.5rem;padding-top:1.5rem}.related h3{color:var(--text-muted);text-transform:uppercase;letter-spacing:.03em;margin:0 0 .75rem;font-size:.875rem;font-weight:600}.related ul{margin:0;padding:0;list-style:none}.related li{margin-bottom:.5rem}.related li a{border-radius:var(--radius-sm);margin-left:-.625rem;padding:.375rem .625rem;transition:color .15s,background .15s;display:inline-block}.related li a:hover{color:var(--text);background:var(--sidebar-hover-bg);text-decoration:none}.article-footer{flex-direction:column;gap:1rem;margin-top:2.5rem;display:flex}.collapsible{border:1px solid var(--border);border-radius:var(--radius);background:0 0;transition:border-color .15s;overflow:hidden}.collapsible:has(.collapsible-trigger:hover){border-color:var(--border-hover)}.collapsible-trigger{width:100%;color:var(--text-muted);text-align:left;cursor:pointer;background:0 0;border:none;align-items:center;gap:.625rem;padding:1rem 1.25rem;font-family:inherit;font-size:.9375rem;font-weight:600;transition:background .15s,color .15s;display:flex}.collapsible.open .collapsible-trigger{padding-bottom:.75rem}.collapsible-trigger:hover{background:var(--sidebar-hover-bg)}.collapsible-chevron{color:#fff;flex-shrink:0;width:1.375rem;height:1.375rem;transition:transform .2s}.collapsible-chevron.open{transform:rotate(90deg)}.collapsible-label{color:#fff;flex:1;min-width:0;font-weight:700}.collapsible-panel{padding:0 1.25rem 1.25rem}.related-links{flex-direction:column;gap:.875rem;margin:0;padding:0 0 0 1.625rem;list-style:none;display:flex}.related-links a{color:var(--text-muted);text-underline-offset:.15em;font-size:.9375rem;line-height:1.45;text-decoration:underline}.related-links a:hover{color:var(--text);text-decoration:underline}.article-nav{grid-template-columns:1fr 1fr;gap:1rem;display:grid}.article-nav-card{border:1px solid var(--border);border-radius:var(--radius);min-height:4.5rem;color:inherit;background:0 0;justify-content:space-between;align-items:center;gap:1rem;padding:1rem 1.25rem;text-decoration:none;transition:border-color .15s,background .15s;display:flex}.article-nav-card:hover{border-color:var(--border-hover);background:var(--sidebar-hover-bg);text-decoration:none}.article-nav-card:hover .article-nav-chevron{color:var(--text)}.article-nav-empty{visibility:hidden;pointer-events:none}.article-nav-text{flex-direction:column;gap:.25rem;min-width:0;display:flex}.article-nav-prev .article-nav-text{text-align:right;align-items:flex-end}.article-nav-next .article-nav-text{text-align:left;align-items:flex-start}.article-nav-label{color:var(--text-muted);font-size:.8125rem}.article-nav-title{color:var(--text);font-size:.9375rem;font-weight:600;line-height:1.4}.article-nav-chevron{width:1.625rem;height:1.625rem;color:var(--text-muted);flex-shrink:0}@media (width<=700px){.article-nav{grid-template-columns:1fr}.article-nav-empty{display:none}.article-nav-prev .article-nav-text{text-align:left;align-items:flex-start}}.search-overlay{z-index:200;background:var(--overlay);justify-content:center;align-items:flex-start;padding-top:12vh;display:flex;position:fixed;inset:0}.search-modal{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);width:min(560px,100% - 2rem);box-shadow:var(--shadow-lg);overflow:hidden}.search-input-wrap{border-bottom:1px solid var(--border);align-items:center;gap:.75rem;padding:1rem 1.25rem;display:flex}.search-input-wrap input{color:var(--text);background:0 0;border:none;outline:none;flex:1;font-size:1rem}.search-input-wrap input::placeholder{color:var(--text-muted)}.search-results{max-height:360px;margin:0;padding:.5rem;list-style:none;overflow-y:auto}.search-results button{border-radius:var(--radius-sm);text-align:left;background:0 0;border:none;flex-direction:column;align-items:flex-start;gap:.125rem;width:100%;padding:.75rem;transition:background .15s;display:flex}.search-results button:hover,.search-results button:focus-visible{background:var(--bg-hover);outline:none}.search-results strong{color:var(--text);font-size:.875rem}.search-results span{color:var(--text-muted);font-size:.75rem}.search-empty{text-align:center;color:var(--text-muted);padding:1rem;font-size:.875rem}@media (width<=900px){.category-grid{grid-template-columns:repeat(2,1fr)}.main-inner{flex-direction:column}.main-inner .content{width:100%}.main-inner .content-inner{max-width:none;margin:0 1rem;padding:1.5rem 0 0}.home-body{padding:1.5rem 1rem 3rem}.article-nav{grid-template-columns:1fr}.article-nav-prev .article-nav-text{text-align:left;align-items:flex-start}.sidebar-mobile{left:0;top:var(--header-height);z-index:200;width:min(320px,85vw);max-width:none;height:calc(100vh - var(--header-height));border-right:1px solid var(--border);box-shadow:var(--shadow-lg);pointer-events:none;border-bottom:none;flex:none;transition:transform .25s;position:fixed;transform:translate(-100%)}.sidebar-mobile.sidebar-open{pointer-events:auto;transform:translate(0)}}@media (width<=600px){.category-grid,.article-columns{grid-template-columns:1fr}.header-inner{padding:.875rem 1rem}.search-trigger span,.search-trigger kbd{display:none}.search-trigger{min-width:auto;padding:.5rem}.hero h1,.article-page-title{font-size:1.5rem}}
