.help-center{--help-bg:#f3f5f8;--help-bg-alt:#e9edf3;--help-text:#1e293b;--help-text-secondary:#64748b;--help-border:#d5dde6;--help-nav-bg:rgba(243,245,248,0.96);--help-nav-text:#64748b;--help-nav-text-hover:#1e293b;--help-formula-bg:#e4e9f0;--help-formula-text:#334155;--help-shadow:rgba(15,23,42,0.06);}html.help-center-dark .help-center{--help-bg:#111827;--help-bg-alt:#1f2937;--help-text:#f9fafb;--help-text-secondary:#d1d5db;--help-border:#374151;--help-nav-bg:rgba(17,24,39,0.95);--help-nav-text:rgba(255,255,255,0.8);--help-nav-text-hover:#ffffff;--help-formula-bg:#1f2937;--help-formula-text:#e2e8f0;--help-shadow:rgba(0,0,0,0.3);}.help-nav-container{position:relative;}.help-nav-actions{grid-column:3;justify-self:end;display:flex;align-items:center;gap:0.5rem;}.help-mobile-menu-btn{display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:0.5rem;transition:transform 0.2s ease;}.help-mobile-menu-btn:hover{transform:scale(1.05);}.help-mobile-menu-btn .hamburger-line{width:24px;height:3px;border-radius:2px;display:block;transition:all 0.3s ease;}.help-mobile-menu-btn[aria-expanded="true"] .hamburger-line:nth-child(1){transform:rotate(45deg) translate(6px,6px);}.help-mobile-menu-btn[aria-expanded="true"] .hamburger-line:nth-child(2){opacity:0;}.help-mobile-menu-btn[aria-expanded="true"] .hamburger-line:nth-child(3){transform:rotate(-45deg) translate(6px,-6px);}.help-theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:2.25rem;height:2.25rem;padding:0;border:1px solid transparent;border-radius:0.5rem;background:transparent;color:var(--help-nav-text);cursor:pointer;transition:color 0.15s ease,background 0.15s ease,border-color 0.15s ease,box-shadow 0.15s ease;}.help-theme-toggle:hover,.help-theme-toggle:focus-visible{color:var(--help-nav-text-hover);background:rgba(255,255,255,0.08);outline:none;}html.help-center-dark .help-theme-toggle:hover,html.help-center-dark .help-theme-toggle:focus-visible{background:rgba(255,255,255,0.08);}html:not(.help-center-dark) .help-theme-toggle:hover,html:not(.help-center-dark) .help-theme-toggle:focus-visible{background:rgba(59,130,246,0.08);}.help-theme-toggle.is-light{color:#fbbf24;border-color:rgba(251,191,36,0.35);background:rgba(251,191,36,0.12);}.help-theme-toggle.is-light .help-theme-icon-lamp{fill:none;}.help-theme-icon{display:block;}.help-center .help-nav{background:var(--help-nav-bg);border-bottom:1px solid var(--help-border);}.help-center .help-nav .nav-link{color:var(--help-nav-text);}.help-center .help-nav .nav-link:hover,.help-center .help-nav .nav-link.nav-link-active{color:var(--help-nav-text-hover);}.help-center .help-nav .nav-link-active{font-weight:600;}.help-center .help-nav .hamburger-line{background-color:var(--help-nav-text-hover);}.help-page{padding:2rem 0 4rem;background:var(--help-bg);color:var(--help-text);min-height:calc(100vh - 4rem);}.help-container{max-width:1280px;}.help-header{margin-bottom:2rem;padding-bottom:1.5rem;border-bottom:1px solid var(--help-border);}.help-header h1{font-size:2.25rem;font-weight:700;margin-bottom:0.5rem;}.help-header-sub{color:var(--help-text-secondary);font-size:1.125rem;max-width:42rem;}.help-layout{display:grid;grid-template-columns:260px 1fr;gap:2.5rem;align-items:start;}.help-sidebar{position:sticky;top:5rem;height:calc(100vh - 6rem);min-height:0;overflow-y:auto;overflow-x:hidden;padding-right:0.5rem;scrollbar-gutter:stable;overscroll-behavior:contain;}.help-sidebar::after{content:'';position:sticky;bottom:0;display:block;height:2rem;margin-top:-2rem;background:linear-gradient(transparent,var(--help-bg));pointer-events:none;opacity:0;transition:opacity 0.2s ease;}.help-sidebar.is-scrollable::after{opacity:1;}.help-sidebar-sections{display:flex;flex-wrap:wrap;gap:0.35rem;margin-bottom:1.25rem;padding-bottom:1rem;border-bottom:1px solid var(--help-border);}.help-sidebar-section-pill{display:inline-flex;align-items:center;padding:0.25rem 0.55rem;border-radius:999px;border:1px solid var(--help-border);background:var(--help-bg-alt);color:var(--help-text);font-size:0.72rem;font-weight:600;line-height:1.3;text-decoration:none;transition:color 0.15s ease,border-color 0.15s ease,background 0.15s ease;}.help-sidebar-section-pill:hover,.help-sidebar-section-pill.active{color:var(--primary-color,#3b82f6);border-color:rgba(59,130,246,0.45);background:rgba(59,130,246,0.08);}.help-nav-group{margin-bottom:1.25rem;}.help-nav-group.is-active .help-nav-section{color:var(--primary-color,#3b82f6);}.help-nav-section{display:block;font-size:0.75rem;font-weight:700;text-transform:uppercase;letter-spacing:0.05em;color:var(--help-text-secondary);margin-bottom:0.5rem;text-decoration:none;}.help-nav-section:hover{color:var(--primary-color,#3b82f6);}.help-nav-items{list-style:none;margin:0;padding:0;}.help-nav-item{display:block;padding:0.35rem 0.75rem;font-size:0.9rem;color:var(--help-text);text-decoration:none;border-radius:0.375rem;border-left:2px solid transparent;line-height:1.4;}.help-nav-item:hover,.help-nav-item.active{color:var(--primary-color,#3b82f6);background:var(--help-bg-alt);border-left-color:var(--primary-color,#3b82f6);}.help-content{min-width:0;}.help-section{margin-bottom:3rem;scroll-margin-top:5rem;}.help-section-title{font-size:1.75rem;font-weight:700;margin-bottom:1.5rem;padding-bottom:0.5rem;border-bottom:2px solid var(--help-border);scroll-margin-top:5rem;color:var(--help-text);}.help-article{margin-bottom:2rem;scroll-margin-top:5rem;}.help-article-title{font-size:1.25rem;font-weight:600;margin-bottom:0.75rem;color:var(--help-text);}.help-article p{margin-bottom:0.875rem;line-height:1.7;color:var(--help-text);}.help-bullet-list{margin:0.75rem 0 1rem;padding-left:1.25rem;line-height:1.65;}.help-bullet-list li{margin-bottom:0.4rem;color:var(--help-text);}.help-formula-block{margin:1rem 0 1.25rem;display:flex;flex-direction:column;gap:0.5rem;}.help-formula{margin:0;padding:0.75rem 1rem;background:var(--help-formula-bg);border:1px solid var(--help-border);border-radius:0.5rem;overflow-x:auto;font-size:0.8125rem;line-height:1.55;}.help-formula code{font-family:ui-monospace,SFMono-Regular,'SF Mono',Menlo,Consolas,monospace;color:var(--help-formula-text);white-space:pre-wrap;word-break:break-word;}.help-cta{margin-top:3rem;padding:2rem;border-radius:0.75rem;background:var(--help-bg-alt);border:1px solid var(--help-border);text-align:center;}.help-cta h3{font-size:1.25rem;margin-bottom:0.5rem;color:var(--help-text);}.help-cta p{color:var(--help-text-secondary);margin-bottom:1.25rem;}.help-footer{padding:2rem 0;border-top:1px solid var(--help-border);background:var(--help-bg);color:var(--help-text);}.help-footer .footer-bottom{text-align:center;}.help-footer a{color:var(--primary-color,#3b82f6);text-decoration:none;}.help-icon-wrap{position:relative;display:inline-flex;vertical-align:middle;margin-left:0.25rem;}.help-icon-btn{display:inline-flex;align-items:center;justify-content:center;width:1.25rem;height:1.25rem;padding:0;border:none;background:transparent;color:var(--text-secondary,#9ca3af);cursor:pointer;border-radius:50%;flex-shrink:0;transition:color 0.15s ease,background 0.15s ease;}.help-icon-btn:hover,.help-icon-btn:focus-visible,.help-icon-wrap.is-open .help-icon-btn{color:var(--primary-color,#3b82f6);background:rgba(59,130,246,0.1);outline:none;}.help-icon-svg{display:block;pointer-events:none;}.help-popover-portal{position:fixed;z-index:10050;pointer-events:auto;}.help-popover-portal[hidden]{display:none !important;}.help-popover-card{width:min(300px,calc(100vw - 24px));padding:0.875rem 1rem 0.75rem;background:#1e293b;border:1px solid #334155;border-radius:0.625rem;box-shadow:0 12px 32px rgba(0,0,0,0.45);font-size:0.8125rem;line-height:1.55;color:#e2e8f0;}.help-popover-text{margin:0 0 0.75rem;color:#cbd5e1;}.help-popover-footer{display:flex;justify-content:flex-end;padding-top:0.625rem;border-top:1px solid #334155;}.help-popover-link{display:inline-flex;align-items:center;gap:0.25rem;font-size:0.8125rem;font-weight:600;color:#60a5fa;text-decoration:none;}.help-popover-link::after{content:'→';font-size:0.875rem;}.help-popover-link:hover{color:#93c5fd;text-decoration:none;}.th-label-with-help,.label-with-help{display:inline-flex;align-items:center;gap:0.125rem;}.feature-card-with-help h4,.feature-card-with-help .metric-label{display:inline-flex;align-items:center;flex-wrap:wrap;gap:0.125rem;}.landing-features-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.25rem;margin-top:2rem;}.landing-feature-card{padding:1.25rem;border-radius:0.75rem;border:1px solid var(--border-color);background:var(--background-alt);transition:all 0.3s ease;position:relative;overflow:hidden;}.landing-feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-hover) 100%);transform:scaleX(0);transition:transform 0.3s ease;}.landing-feature-card:hover::before{transform:scaleX(1);}.landing-feature-card:hover{border-color:var(--primary-color);box-shadow:var(--shadow-lg);transform:translateY(-2px);}.landing-feature-card h4{font-size:1rem;font-weight:600;margin-bottom:0.5rem;}.landing-feature-card p{font-size:0.9rem;color:var(--text-secondary);line-height:1.5;margin:0;}.header .help-icon-btn{color:rgba(255,255,255,0.55);}.header .help-icon-btn:hover,.header .help-icon-btn:focus-visible,.header .help-icon-wrap.is-open .help-icon-btn{color:#60a5fa;background:rgba(96,165,250,0.15);}.patterns-table .help-icon-wrap,.wl-table .help-icon-wrap,.wl-page-table .help-icon-wrap{margin-left:0.15rem;}@media (min-width:901px){.help-center .desktop-nav{display:none;}}@media (max-width:900px){.help-layout{grid-template-columns:1fr;}.help-mobile-menu-btn{display:flex !important;}.help-center .desktop-nav{display:none !important;}.help-sidebar{position:fixed;top:0;left:0;bottom:0;width:min(300px,85vw);z-index:2000;background:var(--help-bg);border-right:1px solid var(--help-border);padding:1.25rem;transform:translateX(-100%);transition:transform 0.25s ease;height:auto;max-height:none;}.help-sidebar.help-sidebar-open{transform:translateX(0);box-shadow:4px 0 24px var(--help-shadow);}.help-nav-actions{gap:0.25rem;}}@media (max-width:768px){.help-header h1{font-size:1.75rem;}.help-popover-card{width:min(280px,calc(100vw - 20px));}}