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.askedin-cmdk-scope[data-active=true]{background:var(--ask-color-surface3);color:var(--ask-color-ink)}html[data-theme-id=still] .askedin-cmdk-scope>svg{display:none}html[data-theme-id=still] .askedin-cmdk-scope>span{font-family:var(--ask-type-font-sans);color:var(--ask-color-ink-faint);font-size:.8125rem;font-weight:400}html[data-theme-id=still] .askedin-cmdk-content [cmdk-list]{padding:8px}html[data-theme-id=still] .askedin-cmdk-content [cmdk-group]{padding:0}html[data-theme-id=still] .askedin-cmdk-content [cmdk-group-items]{flex-direction:column;gap:2px;display:flex}html[data-theme-id=still] .askedin-cmdk-content [cmdk-item]{min-height:52px;font-size:.8125rem;font-family:var(--ask-type-font-sans);transition:background-color var(--still-fade) var(--still-ease-out);border-radius:12px;gap:14px;padding:6px 14px}html[data-theme-id=still] .askedin-cmdk-content [cmdk-item][data-selected=true]{background:var(--ask-color-surface2)}html[data-theme-id=still] .askedin-cmdk-platform{background:var(--ask-color-surface3);border-radius:8px;width:28px;height:28px}html[data-theme-id=still] .askedin-cmdk-platform>img{width:16px;height:16px}html[data-theme-id=still] .askedin-cmdk-platform>span{font-family:var(--ask-type-font-sans);letter-spacing:.05em;color:var(--ask-color-ink-muted);font-size:.6875rem;font-weight:600}html[data-theme-id=still] .askedin-cmdk-title{font-family:var(--ask-type-font-sans);color:var(--ask-color-ink);font-size:.9375rem;font-weight:500;line-height:20px}html[data-theme-id=still] .askedin-cmdk-meta{font-family:var(--ask-type-font-sans);color:var(--ask-color-ink-faint);margin-top:1px;font-size:.8125rem;line-height:18px}html[data-theme-id=still] .askedin-cmdk-meta>span{color:var(--ask-color-ink-muted)}html[data-theme-id=still] .askedin-cmdk-num{min-width:44px;font-family:var(--ask-type-font-sans);color:var(--ask-color-ink-faint);font-variant-numeric:tabular-nums;text-align:right;font-size:.8125rem}html[data-theme-id=still] .askedin-cmdk-stats{gap:14px}html[data-theme-id=still] .askedin-cmdk-stats>.askedin-cmdk-num{line-height:18px}html[data-theme-id=still] .askedin-cmdk-stats>.askedin-cmdk-num:first-child{min-width:40px}html[data-theme-id=still] .askedin-cmdk-stats>.askedin-cmdk-num:nth-child(2){min-width:48px}html[data-theme-id=still] .askedin-cmdk-diff{min-width:56px;font-family:var(--ask-type-font-sans);letter-spacing:0;text-transform:capitalize;background:0 0;border:0;border-radius:0;justify-content:flex-end;padding:0;font-size:.8125rem;font-weight:500}html[data-theme-id=still] .askedin-cmdk-enter{visibility:hidden;width:10px;color:var(--ask-color-ink-muted);font-size:.8125rem;font-weight:500;display:inline-block}html[data-theme-id=still] [cmdk-item][data-selected=true] .askedin-cmdk-enter{visibility:visible}html[data-theme-id=still] .askedin-cmdk-footer{font-family:var(--ask-type-font-sans);color:var(--ask-color-ink-faint);gap:6px 18px;padding:12px 20px 14px;font-size:.8125rem;line-height:18px}html[data-theme-id=still] .askedin-cmdk-footer>span{align-items:center;gap:6px;display:inline-flex}html[data-theme-id=still] .askedin-cmdk-footer>span>svg{display:none}html[data-theme-id=still] .askedin-cmdk-key{background:var(--ask-color-surface2);color:var(--ask-color-ink-muted);text-transform:capitalize;border-radius:6px;align-items:center;padding:2px 6px;display:inline-flex}html[data-theme-id=still] .askedin-cmdk-sep{display:none}html[data-theme-id=still] [data-sonner-toaster] [data-sonner-toast][data-styled=true]{border:1px solid var(--ask-color-border);background:var(--ask-color-surface2);color:var(--ask-color-ink);box-shadow:var(--ask-shadow-md);font-family:var(--ask-type-font-sans);border-radius:16px;gap:10px;padding:14px 16px}html[data-theme-id=still] [data-sonner-toaster] [data-sonner-toast][data-styled=true] [data-title]{color:var(--ask-color-ink);font-size:.9375rem;font-weight:500;line-height:20px}html[data-theme-id=still] [data-sonner-toaster] [data-sonner-toast][data-styled=true] [data-description]{color:var(--ask-color-ink-faint);font-size:.8125rem;line-height:18px}html[data-theme-id=still] [data-sonner-toaster] [data-sonner-toast][data-styled=true] [data-icon]{color:var(--ask-color-ink-muted)}html[data-theme-id=still] [data-sonner-toaster] [data-sonner-toast][data-type=success] [data-icon]{color:var(--ask-color-success)}html[data-theme-id=still] [data-sonner-toaster] [data-sonner-toast][data-type=error] [data-icon]{color:var(--ask-color-destructive)}html[data-theme-id=still] [data-sonner-toaster] [data-sonner-toast][data-styled=true] [data-button]{background:var(--ask-color-accent);height:28px;color:var(--ask-color-accent-ink);border-radius:999px;padding:0 12px;font-size:.8125rem;font-weight:500}html[data-theme-id=still] [data-sonner-toaster] [data-sonner-toast][data-styled=true] [data-cancel]{background:var(--ask-color-surface3);color:var(--ask-color-ink)}html[data-theme-id=still] [data-sonner-toaster] [data-sonner-toast][data-styled=true] [data-close-button]{border-color:var(--ask-color-border);background:var(--ask-color-surface);color:var(--ask-color-ink-muted)}html[data-theme-id=still] .askedin-theme-controls__btn{font-family:var(--ask-type-font-sans);color:var(--ask-color-ink-muted);border-radius:999px}html[data-theme-id=still] .askedin-theme-controls__btn:hover,html[data-theme-id=still] .askedin-theme-controls__btn:focus-visible{border-color:var(--ask-color-border);background:var(--ask-color-surface);color:var(--ask-color-ink)}html[data-theme-id=still] .askedin-theme-controls__menu{border:1px solid var(--ask-color-border);background:var(--ask-color-surface);box-shadow:var(--ask-shadow-md);border-radius:20px;padding:8px}html[data-theme-id=still] .askedin-theme-controls__option{color:var(--ask-color-ink-muted);border-radius:10px}html[data-theme-id=still] .askedin-theme-controls__option:hover,html[data-theme-id=still] .askedin-theme-controls__option.is-active{background:var(--ask-color-surface2);color:var(--ask-color-ink)}html[data-theme-id=still] .glass-field,html[data-theme-id=still] .glass-pagination-input,html[data-theme-id=still] .glass-pagination-btn,html[data-theme-id=still] .glass-toolbar-chip{box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none;background-image:none;border-radius:12px}html[data-theme-id=still] .glass-panel,html[data-theme-id=still] .glass-panel-tight{border-radius:var(--ask-radius-lg);box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none;background-image:none}html[data-theme-id=still] .glass-segment,html[data-theme-id=still] .glass-segment-item{box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none;background-image:none;border-radius:999px}html[data-theme-id=still] .glass-field:focus,html[data-theme-id=still] .glass-pagination-input:focus-visible{border-color:var(--ask-color-focus-ring);box-shadow:0 0 0 1px var(--ask-color-focus-ring)}html[data-theme-id=still] .ask-filter-ui{--sidebar-card-bg:var(--ask-color-surface);--sidebar-card-border:var(--ask-color-border);--chip-bg:var(--ask-color-surface2);--chip-border:var(--ask-color-border);--chip-fg:var(--ask-color-ink-muted);--chip-hover-bg:var(--ask-color-surface3);--chip-hover-border:var(--ask-color-border-strong);--chip-hover-fg:var(--ask-color-ink);--border:var(--ask-color-border-strong);--input:var(--ask-color-border-strong);--ask-filter-note:var(--ask-color-ink-faint);font-family:var(--ask-type-font-sans)}html[data-theme-id=still] .askedin-dialog-content.ask-filter-ui{border-color:var(--ask-color-border);background:var(--ask-color-surface);box-shadow:var(--ask-shadow-lg);border-radius:24px}html[data-theme-id=still] .askedin-dialog-overlay:has(+.ask-filter-ui){background:var(--still-scrim);-webkit-backdrop-filter:none;backdrop-filter:none}html[data-theme-id=still] .ask-filter-ui .ask-filter-title{font-family:var(--ask-type-font-sans);letter-spacing:-.01em;font-size:1.25rem;line-height:1.3}html[data-theme-id=still] .ask-filter-ui .ask-filter-section{border-color:var(--ask-color-border);background:var(--ask-color-surface2);border-radius:16px}html[data-theme-id=still] .ask-filter-ui .ask-filter-section-dot{background:var(--ask-color-ink)}html[data-theme-id=still] .ask-filter-ui .ask-filter-option{border-color:var(--ask-color-border);background:var(--ask-color-surface);transition:background-color var(--still-fade) var(--still-ease-out), border-color var(--still-fade) var(--still-ease-out);border-radius:12px}html[data-theme-id=still] .ask-filter-ui .ask-filter-option:hover{border-color:var(--ask-color-border-strong)}html[data-theme-id=still] .ask-filter-ui .ask-filter-option[data-selected=true]{border-color:var(--ask-color-border-strong);background:var(--ask-color-surface3)}html[data-theme-id=still] .ask-filter-ui 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var(--ask-color-focus-ring);outline-offset:2px;box-shadow:none}html[data-theme-id=still] .ask-filter-ui .ask-filter-count{background:var(--ask-color-surface3);color:var(--ask-color-ink);box-shadow:none;border-color:#0000}html[data-theme-id=still] .ask-filter-ui .ask-filter-link{color:var(--ask-color-ink-muted)}html[data-theme-id=still] .ask-filter-ui .ask-filter-link:hover{color:var(--ask-color-ink)}html[data-theme-id=still] .ask-filter-ui .ask-filter-footer .glass-btn{min-height:var(--ask-control-height);border-radius:9999px}html[data-theme-id=still] .ds-filter-chip{border-color:var(--ask-color-accent);background:var(--ask-color-accent);height:2rem;color:var(--ask-color-accent-ink);font-family:var(--ask-type-font-sans);animation:still-pop-in var(--still-spring-dur) var(--still-spring) both;transition:background-color var(--still-fade) var(--still-ease-out), border-color var(--still-fade) var(--still-ease-out), color var(--still-fade) var(--still-ease-out);border-radius:9999px;gap:.375rem;padding:0 .375rem 0 .75rem;font-size:.8125rem;font-weight:500}html[data-theme-id=still] .ds-filter-chip:hover{border-color:var(--ask-color-accent);background:var(--ask-color-accent);color:var(--ask-color-accent-ink)}html[data-theme-id=still] .ds-filter-chip button{opacity:.7;border-radius:9999px;justify-content:center;align-items:center;width:1.25rem;height:1.25rem;display:inline-flex}html[data-theme-id=still] .ds-filter-chip button:hover{opacity:1;background:var(--ask-color-accent-soft)}html[data-theme-id=still] .glass-pagination-btn,html[data-theme-id=still] .glass-pagination-input{font-variant-numeric:tabular-nums}html[data-theme-id=still] .glass-pagination-btn{box-shadow:none;transition:transform var(--still-spring-dur) var(--still-spring), background-color var(--still-fade) var(--still-ease-out), border-color var(--still-fade) var(--still-ease-out), color var(--still-fade) var(--still-ease-out);border-radius:9999px}html[data-theme-id=still] .glass-pagination-btn:hover:not(:disabled){background-color:var(--ask-color-surface2);box-shadow:none}html[data-theme-id=still] .glass-pagination-btn:active:not(:disabled){transition-duration:var(--still-press-dur);transform:scale(.97)}html[data-theme-id=still] .glass-pagination-input{border-radius:12px}html[data-theme-id=still] .learn-article-footer,html[data-theme-id=still] .lesson-footer{border-top:1px solid var(--ask-color-reader-border,var(--ask-color-border));align-items:center;gap:1rem}html[data-theme-id=still] .learn-nav-btn,html[data-theme-id=still] .lesson-footer .btn-ghost{text-overflow:ellipsis;white-space:nowrap;min-width:0;max-width:42%;overflow:hidden}html[data-theme-id=still] .learn-nav-btn{border-radius:var(--ask-radius-md,12px);border:1px solid var(--ask-color-reader-border,var(--ask-color-border));color:var(--ask-color-reader-muted,var(--ask-color-ink-muted));transition-property:background-color,border-color,color;transition-duration:var(--still-fade);transition-timing-function:var(--still-ease-out);background:0 0}html[data-theme-id=still] .learn-nav-btn:hover:not(:disabled){background-color:var(--ask-color-surface2);border-color:var(--ask-color-ink-faint);color:var(--ask-color-reader-text,var(--ask-color-ink))}html[data-theme-id=still] .learn-article-footer>span{font-variant-numeric:tabular-nums;white-space:nowrap;flex-shrink:0}html[data-theme-id=still] .table-wrap{box-sizing:border-box;border:1px solid var(--ask-color-reader-border,var(--ask-color-border));border-radius:var(--ask-radius-md,12px);width:100%;min-width:0;max-width:100%;box-shadow:none;background:var(--ask-color-reader-surface,var(--ask-color-surface));overflow:auto hidden}html[data-theme-id=still] .table-wrap table{border-collapse:collapse;width:100%;min-width:0}html[data-theme-id=still] .table-wrap tbody tr{border-bottom:1px solid var(--ask-color-reader-border,var(--ask-color-border));transition:background-color var(--still-fade) var(--still-ease-out);background-color:#0000}html[data-theme-id=still] .table-wrap tbody tr:last-child{border-bottom:none}html[data-theme-id=still] .table-wrap tbody tr:hover{background-color:var(--ask-color-surface2)}html[data-theme-id=still] .table-wrap thead th{white-space:nowrap;font-variant-numeric:tabular-nums}html[data-theme-id=still] .table-wrap tbody td{font-variant-numeric:tabular-nums;vertical-align:top}html[data-theme-id=still] .table-wrap tbody td:first-child{white-space:nowrap;text-overflow:ellipsis;max-width:12rem;overflow:hidden}@keyframes still-split-grow{0%{transform:scaleX(0)}to{transform:scaleX(1)}}html[data-theme-id=still] .still-split-grow{transform-origin:0;animation:still-split-grow var(--still-spring-dur) var(--still-spring) 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var(--still-spring) both;animation-delay:calc(var(--still-i,0) * var(--still-stagger))}html[data-theme-id=still] .still-exit-fade{animation:still-fade-out var(--still-exit-dur) var(--still-ease-out) both}html[data-theme-id=still] .still-draw{stroke-dasharray:1;stroke-dashoffset:1px;animation:still-draw .3s var(--still-ease-out) forwards;animation-delay:var(--still-draw-delay,0s)}html[data-theme-id=still] .still-roll-in{animation:still-roll-in var(--still-spring-dur) var(--still-spring) both;display:inline-block}html[data-theme-id=still] .still-roll-out{animation:still-roll-out var(--still-exit-dur) var(--still-ease-out) both;display:inline-block}html[data-theme-id=still] .still-spring{transition:transform var(--still-spring-dur) var(--still-spring), opacity var(--still-fade-med) var(--still-ease-out)}html[data-theme-id=still] .still-hoverable{transition:background-color var(--still-fade) var(--still-ease-out), border-color var(--still-fade) var(--still-ease-out), color var(--still-fade) var(--still-ease-out), box-shadow var(--still-fade) var(--still-ease-out)}html[data-theme-id=still] .still-pressable{transition:transform var(--still-spring-dur) var(--still-spring), background-color var(--still-fade) var(--still-ease-out), border-color var(--still-fade) var(--still-ease-out), color var(--still-fade) var(--still-ease-out), opacity var(--still-fade) var(--still-ease-out)}html[data-theme-id=still] .still-pressable:active:not(:disabled):not([aria-disabled=true]){transition-duration:var(--still-press-dur);transition-timing-function:var(--still-ease-out);transform:scale(.97)}html[data-theme-id=still] .still-meter{transform-origin:0;transform:scaleX(var(--still-fill,0));transition:transform var(--still-spring-dur) var(--still-spring)}:where(html[data-theme-id=still] .still-skeleton){position:relative}html[data-theme-id=still] .still-skeleton{background:var(--ask-color-surface2);border-radius:var(--ask-radius-sm);overflow:hidden}html[data-theme-id=still] .still-skeleton:after{content:"";background:repeating-linear-gradient(90deg, transparent 0%, var(--ask-color-surface3) 16.6667%, transparent 33.3333%);pointer-events:none;width:600%;animation:1.4s linear infinite still-shimmer;position:absolute;top:0;bottom:0;left:0}html[data-theme-id=still] .glass-btn,html[data-theme-id=still] .glass-btn-primary,html[data-theme-id=still] .glass-btn-danger,html[data-theme-id=still] .glass-btn-white{transition:transform var(--still-spring-dur) var(--still-spring), background-color var(--still-fade) var(--still-ease-out), border-color var(--still-fade) var(--still-ease-out), color var(--still-fade) var(--still-ease-out)}html[data-theme-id=still] .glass-btn:active:not(:disabled):not([aria-disabled=true]),html[data-theme-id=still] .glass-btn-primary:active:not(:disabled):not([aria-disabled=true]),html[data-theme-id=still] .glass-btn-danger:active:not(:disabled):not([aria-disabled=true]),html[data-theme-id=still] .glass-btn-white:active:not(:disabled):not([aria-disabled=true]){transition-duration:var(--still-press-dur);transform:scale(.97)}html[data-theme-id=still] .learn-nav-chevron,html[data-theme-id=still] .learn-toc-chevron svg,html[data-theme-id=still] details>summary svg,html[data-theme-id=still] details>summary .chevron,html[data-theme-id=still] [data-state]>svg.lucide-chevron-down,html[data-theme-id=still] [data-state]>svg.lucide-chevron-right{transition:transform var(--still-spring-dur) var(--still-spring)}@keyframes still-dialog-content-in{0%{opacity:0;transform:translate(-50%,-50%)scale(.97)}to{opacity:1;transform:translate(-50%,-50%)scale(1)}}html[data-theme-id=still] .askedin-dialog-overlay[data-state=open],html[data-theme-id=still] .askedin-cmdk-overlay[data-state=open]{animation:still-fade-in var(--still-fade-med) var(--still-ease-out) both}html[data-theme-id=still] .askedin-dialog-overlay[data-state=closed],html[data-theme-id=still] .askedin-cmdk-overlay[data-state=closed]{animation:still-fade-out var(--still-exit-dur) var(--still-ease-out) both}html[data-theme-id=still] .askedin-dialog-content[data-state=open]{animation:still-dialog-content-in var(--still-spring-dur) var(--still-spring) both}html[data-theme-id=still] [data-radix-popper-content-wrapper]>[data-state=open],html[data-theme-id=still] [data-radix-menu-content][data-state=open],html[data-theme-id=still] [data-state=open].animate-in{--still-from-y:6px;animation:still-rise-in var(--still-spring-dur) var(--still-spring) both}html[data-theme-id=still] .lesson-comments-list,html[data-theme-id=still] .lesson-comment,html[data-theme-id=still] .lesson-comment-replies,html[data-theme-id=still] .reading-terms>li{animation:none}html[data-theme-id=still] .still-scrim{z-index:60;background:var(--still-scrim);position:fixed;inset:0}html[data-theme-id=still] .still-scrim[data-state=open]{animation:still-fade-in var(--still-fade-med) var(--still-ease-out) both}html[data-theme-id=still] .still-scrim[data-state=closed]{animation:still-fade-out var(--still-exit-dur) var(--still-ease-out) both}html[data-theme-id=still] .still-dialog{z-index:61;width:min(calc(100vw - 32px), var(--still-dialog-w,440px));border:1px solid var(--ask-color-border);background:var(--ask-color-surface);max-height:calc(100dvh - 48px);box-shadow:var(--ask-shadow-lg);border-radius:24px;outline:none;position:fixed;top:50%;left:50%;overflow:auto;translate:-50% min(-50%,-17.5vh)}html[data-theme-id=still] .still-dialog[data-state=open]{animation:still-dialog-in var(--still-spring-dur) var(--still-spring) both}@keyframes still-dialog-in{0%{opacity:0;transform:scale(.97)}to{opacity:1;transform:none}}html[data-theme-id=still] .still-dialog[data-state=closed]{animation:still-fade-out var(--still-exit-dur) var(--still-ease-out) both}html[data-theme-id=still] .still-drawer{z-index:61;width:min(100vw, var(--still-drawer-w,460px));border-left:1px solid var(--ask-color-border);background:var(--ask-color-surface);box-shadow:var(--ask-shadow-lg);outline:none;flex-direction:column;display:flex;position:fixed;top:0;bottom:0;right:0}html[data-theme-id=still] .still-drawer[data-state=open]{animation:still-slide-in-right var(--still-spring-dur) var(--still-spring) both}html[data-theme-id=still] .still-drawer[data-state=closed]{animation:still-slide-out-right .22s var(--still-ease-out) both}html[data-theme-id=still] .still-sheet{z-index:61;border-top:1px solid var(--ask-color-border);background:var(--ask-color-surface);max-height:calc(100dvh - 48px);box-shadow:var(--ask-shadow-lg);padding-bottom:env(safe-area-inset-bottom,0px);border-radius:28px 28px 0 0;outline:none;flex-direction:column;display:flex;position:fixed;bottom:0;left:0;right:0}html[data-theme-id=still] .still-sheet:focus-visible{outline:none}html[data-theme-id=still] .still-sheet[data-state=open]{animation:still-slide-in-up var(--still-spring-dur) var(--still-spring) both}html[data-theme-id=still] .still-sheet[data-state=closed]{animation:still-slide-out-down .22s var(--still-ease-out) both}html[data-theme-id=still] .still-popover{z-index:70;border:1px solid var(--ask-color-border);background:var(--ask-color-surface);box-shadow:var(--ask-shadow-md);border-radius:16px;outline:none}html[data-theme-id=still] .still-popover[data-state=open]{--still-from-y:-6px;animation:still-rise-in var(--still-spring-dur) var(--still-spring) both;transform-origin:var(--still-origin,top center)}html[data-theme-id=still] .still-popover[data-state=closed]{animation:still-fade-out var(--still-exit-dur) var(--still-ease-out) both}html[data-theme-id=still] .still-toast{left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));z-index:80;border:1px solid var(--ask-color-border);background:var(--ask-color-surface2);box-shadow:var(--ask-shadow-md);border-radius:16px;position:fixed;transform:translate(-50%)}@media (width<=767px){html[data-theme-id=still] .still-toast{bottom:calc(112px + env(safe-area-inset-bottom,0px))}}html[data-theme-id=still] .still-toast[data-state=open]{animation:still-toast-in var(--still-spring-dur) var(--still-spring) both}html[data-theme-id=still] .still-toast[data-state=closed]{animation:still-fade-out var(--still-exit-dur) var(--still-ease-out) both}@keyframes still-toast-in{0%{opacity:0;transform:translate(-50%,16px)}to{opacity:1;transform:translate(-50%)}}html[data-theme-id=still][data-color-mode=light]{--ask-color-page-bg:#f2f2f4;--ask-color-page-text:#0a0a0b;--ask-color-surface:#fff;--ask-color-surface2:#f7f7f8;--ask-color-surface3:#ededf0;--ask-color-ink:#0a0a0b;--ask-color-ink-body:#1f1f23;--ask-color-ink-muted:#52525b;--ask-color-ink-faint:#6b6b73;--ask-color-border:#e6e6ea;--ask-color-border-strong:#d4d4da;--ask-color-divider:#ececf0;--ask-color-focus-ring:#52525c;--ask-color-accent:#0a0a0b;--ask-color-accent-ink:#fff;--ask-color-accent-soft:#0a0a0b0d;--ask-color-brand:#e0551c;--ask-color-brand-ink:#0a0a0b;--ask-color-link:#0a0a0b;--ask-color-success:#2f7a55;--ask-color-warning:#8a6414;--ask-color-destructive:#a8434a;--ask-color-destructive-ink:#fff;--ask-color-nav-bg:#f2f2f4;--ask-color-nav-text:#0a0a0b;--ask-color-nav-muted:#52525b;--ask-color-nav-border:#e6e6ea;--ask-color-nav-surface:#fff;--ask-color-nav-hover:#0a0a0b0d;--ask-color-reader-bg:#f7f7f8;--ask-color-reader-surface:#fff;--ask-color-reader-text:#1f1f23;--ask-color-reader-muted:#52525b;--ask-color-reader-border:#e6e6ea;--ask-color-reader-accent:#0a0a0b;--ask-color-code-bg:#f7f7f8;--ask-color-code-text:#1f1f23;--ask-color-code-border:#e6e6ea;--ask-color-chart-0:#0a0a0b;--ask-color-chart-1:#2f7a55;--ask-color-chart-2:#8a6414;--ask-color-chart-3:#a8434a;--ask-color-chart-4:#8e8e96;--ask-color-syntax-keyword:#7a5a1e;--ask-color-syntax-function:#0a0a0b;--ask-color-syntax-type:#3d5a7a;--ask-color-syntax-operator:#52525b;--ask-color-syntax-string:#2f6b4f;--ask-color-syntax-variable:#1f1f23;--ask-color-syntax-number:#8a4b2a;--ask-color-syntax-comment:#6b6b73;--ask-color-shadcn-background:240 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0;border:none;padding:4px}.learn-sidebar-settings:hover{color:var(--ask-color-reader-text)}.learn-workspace-item.is-selected{background:var(--l-hover)}.learn-source-tile{color:#e8e5dd;background:#2c2c2a}.learn-source-tile[data-source=bytebytego]{background:var(--askedin-brand-ink,#be4c1b);color:#fff}.learn-source-tile[data-source=ddia]{color:#e8e5dd;background:#1e3a5f}.learn-source-tile--md{font-size:1.2077rem}.learn-source-tile--sm{font-size:1.1145rem}.learn-picker-title.learn-picker-title-compact,.learn-header-picker-trigger .learn-picker-title.learn-picker-title-compact{font-size:1.2077rem}.learn-picker-meta{font-size:1.0218rem}.learn-access-code{font-size:1.2077rem}.learn-workspace-trigger{border:1px solid var(--ask-color-reader-border);background:var(--ask-color-reader-bg);text-align:left;cursor:pointer;border-radius:8px;align-items:center;gap:10px;width:100%;padding:10px 12px;transition:border-color .15s,box-shadow .15s;display:flex}.learn-workspace-trigger:hover{border-color:var(--ask-color-reader-border);box-shadow:0 1px 3px #0000000a}.learn-workspace-menu,.learn-picker-menu{z-index:50;border:1px solid var(--ask-color-reader-border);background:var(--ask-color-reader-bg);width:max-content;min-width:260px;max-width:min(320px,90vw);box-shadow:var(--l-shadow);border-radius:12px;position:absolute;top:calc(100% + 6px);left:0;overflow:hidden}.learn-workspace-item{text-align:left;cursor:pointer;white-space:nowrap;align-items:center;gap:10px;width:100%;padding:9px 14px;transition:background .12s;display:flex}.learn-workspace-item:hover{background:var(--l-hover)}.learn-nav-section summary{cursor:pointer;font-family:var(--ask-type-font-sans,"Source Sans 3", sans-serif);letter-spacing:0;text-transform:none;color:var(--l-muted);-webkit-user-select:none;user-select:none;border-radius:6px;align-items:center;gap:6px;margin-bottom:1px;padding:8px 10px;font-size:.975rem;font-weight:600;list-style:none;transition:background .12s,color .12s;display:flex}.learn-nav-section summary:hover{background:var(--l-hover);color:var(--ask-color-reader-muted)}.learn-nav-section summary::-webkit-details-marker{display:none}.learn-nav-section[open]>summary,.learn-nav-section.has-active-lesson>summary{color:var(--ask-color-reader-text);background:0 0}.learn-nav-section[open] .learn-nav-chevron,.learn-nav-section.has-active-lesson .learn-nav-chevron{color:var(--l-muted)}.learn-nav-chevron{width:14px;height:14px;color:var(--l-faint);flex-shrink:0;transition:transform .15s}.learn-nav-section[open] .learn-nav-chevron{transform:rotate(90deg)}.learn-nav-section ul{border-left:1px solid var(--ask-color-reader-border);margin:2px 0 6px;padding:0 0 0 8px}.learn-nav-lesson{text-align:left;width:100%;font-family:var(--ask-type-font-sans,"Source Sans 3", sans-serif);color:var(--ask-color-reader-muted);cursor:pointer;background:0 0;border:none;border-radius:6px;margin-bottom:1px;padding:8px 10px 8px 12px;font-size:1.0969rem;line-height:1.45;transition:background .12s,color .12s;display:block;position:relative}.learn-nav-lesson:hover{color:var(--ask-color-reader-text);background:var(--l-hover)}.learn-nav-lesson.is-active{background:var(--l-nav-active-bg,var(--l-accent-soft));color:var(--ask-color-reader-text);font-weight:600}.learn-nav-lesson.is-active:before{content:"";background:var(--ask-color-reader-accent,var(--askedin-brand,#e05a20));border-radius:0;width:2px;position:absolute;top:0;bottom:0;left:0}.learn-course-picker-trigger{border:1px dashed var(--ask-color-reader-border);text-align:left;cursor:pointer;background:0 0;border-radius:8px;align-items:center;gap:10px;width:100%;padding:10px 12px;transition:border-color .15s,background .15s;display:flex}.learn-course-picker-trigger:hover{border-color:var(--ask-color-reader-border);background:var(--l-hover)}.learn-main{background:var(--ask-color-reader-bg);--learn-header-h:72px;flex-direction:column;flex:1;min-width:0;display:flex}.learn-content-header{border-bottom:1px solid color-mix(in srgb, var(--ask-color-reader-border) 45%, transparent);background:0 0;flex-shrink:0;grid-template-columns:auto minmax(0,1fr) auto;grid-template-areas:"pickers search meta";align-items:center;gap:12px;min-height:56px;padding:10px 20px;display:grid}.learn-header-pickers{grid-area:pickers;align-items:center;gap:4px;min-width:0;display:flex}.learn-header-picker-sep{color:var(--l-faint);-webkit-user-select:none;user-select:none;padding:0 2px;font-size:1.0563rem}.learn-header-picker-trigger{cursor:pointer;background:0 0;border:none;border-radius:6px;align-items:center;gap:5px;max-width:200px;padding:5px 8px;transition:background .12s;display:inline-flex}.learn-header-picker-trigger:hover{background:var(--l-hover)}.learn-header-picker-trigger .learn-picker-title{font-size:1.0563rem;font-weight:500}.learn-search-trigger{border:1px solid var(--ask-color-reader-border,#e5e7eb);background:var(--ask-color-reader-bg,#fff);width:100%;max-width:420px;height:38px;color:var(--l-faint);text-align:left;cursor:pointer;border-radius:8px;grid-area:search;align-items:center;gap:10px;padding:0 14px;font-size:1.0563rem;transition:border-color .15s,box-shadow .15s;display:flex}.learn-search-trigger:hover{border-color:var(--ask-color-reader-border);box-shadow:0 1px 2px #0000000a}.learn-search-trigger-label{text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;overflow:hidden}.learn-header-search{grid-area:search;width:100%;max-width:420px;position:relative}.learn-header-search-input-wrap{background:0 0;border:1px solid #0000;border-radius:8px;align-items:center;gap:8px;height:2rem;padding:0 10px;transition:background 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#0006}.learn-header-search-empty{text-align:center;color:var(--l-faint);padding:16px 12px;font-size:1.0563rem}.learn-header-search-item{cursor:pointer;border-radius:6px;align-items:center;gap:10px;padding:8px 10px;transition:background .1s;display:flex}.learn-header-search-item:hover,.learn-header-search-item.is-active{background:var(--l-hover,#2a2a2a)}.learn-header-search-item-dot{border-radius:50%;flex-shrink:0;width:8px;height:8px}.learn-header-search-item-dot[data-source=algomaster]{background:#10b981}.learn-header-search-item-dot[data-source=bytebytego]{background:#3b82f6}.learn-header-search-item-text{flex-direction:column;flex:1;gap:1px;min-width:0;display:flex}.learn-header-search-item-title{color:var(--ask-color-reader-text,#e5e7eb);white-space:nowrap;text-overflow:ellipsis;font-size:1.0563rem;font-weight:500;overflow:hidden}.learn-header-search-item-meta{white-space:nowrap;text-overflow:ellipsis;font-size:.8938rem;overflow:hidden}.learn-header-search-item-meta-trail{color:var(--l-faint)}.learn-search-meta-source[data-source=algomaster]{color:#34d399}.learn-search-meta-source[data-source=bytebytego]{color:#60a5fa}.learn-header-meta{color:var(--l-muted);grid-area:meta;align-items:center;gap:14px;font-size:1.0563rem;display:flex}.learn-theme-btn{border:1px solid var(--ask-color-reader-border);width:2.25rem;height:2.25rem;color:var(--l-muted);cursor:pointer;background:0 0;border-radius:8px;justify-content:center;align-items:center;transition:border-color .15s,color .15s,background .15s;display:inline-flex}.learn-theme-btn:hover{border-color:var(--ask-color-reader-border);color:var(--ask-color-reader-text);background:var(--l-hover)}.learn-complete-btn{background:var(--ask-color-reader-text);height:2.5rem;color:var(--ask-color-reader-bg,#121212);cursor:pointer;border:none;border-radius:999px;align-items:center;gap:6px;padding:0 16px;font-size:1.0563rem;font-weight:600;transition:opacity .15s,transform .1s;display:inline-flex}.learn-complete-btn:hover{opacity:.92}.learn-complete-btn.is-done{background:var(--l-complete-done-bg,#ecfdf5);color:var(--l-complete-done-fg,#059669);border:1px solid var(--l-complete-done-border,#a7f3d0)}.learn-scroll{scroll-behavior:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;scrollbar-gutter:stable;flex:1;min-width:0;min-height:0;overflow:clip auto}.learn-scroll>*{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.learn-article-wrap{gap:40px;max-width:1360px;margin:0 auto;padding:40px 16px 80px 32px;display:flex}.learn-article{flex:1;min-width:0;max-width:820px}.learn-article-header{margin-bottom:32px}.learn-breadcrumb{font-family:var(--ask-type-font-sans,"Source Sans 3", sans-serif);color:var(--l-muted);flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:16px;font-size:1.0563rem;font-weight:400;display:flex}.learn-breadcrumb-link{color:inherit;font:inherit;cursor:pointer;background:0 0;border:none;border-radius:6px;padding:2px 0;transition:color .15s}.learn-breadcrumb-link:hover{color:var(--ask-color-reader-text);text-underline-offset:3px;text-decoration:underline}.learn-breadcrumb-link:focus-visible{outline:2px solid var(--askedin-brand);outline-offset:2px}.learn-title{font-family:var(--ask-type-font-serif,"Source Serif 4", Georgia, "Times New Roman", serif);color:var(--ask-color-reader-text);letter-spacing:-.032em;margin-bottom:8px;font-size:clamp(2.7625rem,5.85vw,3.9rem);font-weight:700;line-height:1.08}.learn-lede{font-family:var(--ask-type-font-serif,"Source Serif 4", Georgia, serif);color:var(--l-muted);margin-top:8px;margin-bottom:0;font-size:1.4625rem;font-weight:400;line-height:1.6}.learn-article-footer{border-top:1px solid var(--ask-color-reader-border);justify-content:space-between;align-items:center;gap:16px;margin-top:56px;padding-top:32px;display:flex}.learn-nav-btn{font-family:var(--ask-type-font-sans,"Source Sans 3", sans-serif);border:1px solid var(--ask-color-reader-border);color:var(--l-muted);cursor:pointer;background:0 0;border-radius:8px;padding:.625rem 1rem;font-size:1.3rem;transition:border-color .15s,color .15s,background .15s}.learn-nav-btn:hover:not(:disabled){border-color:var(--l-muted);color:var(--ask-color-reader-text);background:var(--l-hover)}.learn-nav-btn:disabled{opacity:.35;cursor:default}.learn-toc{width:200px;max-height:calc(100vh - var(--learn-header-h,72px) - 48px);overscroll-behavior:contain;-webkit-overflow-scrolling:touch;scrollbar-width:none;-ms-overflow-style:none;flex-shrink:0;align-self:flex-start;margin-left:auto;position:sticky;top:24px;overflow-y:auto}.learn-toc::-webkit-scrollbar{width:0;height:0;display:none}.learn-article-rail{width:200px;max-height:calc(100vh - var(--learn-header-h,72px) - 48px);overscroll-behavior:contain;scrollbar-width:none;flex-direction:column;flex-shrink:0;align-self:flex-start;gap:28px;margin-left:auto;display:flex;position:sticky;top:24px;overflow-y:auto}.learn-article-rail::-webkit-scrollbar{width:0;height:0;display:none}.learn-article-rail .learn-toc{width:auto;max-height:none;margin-left:0;position:static;overflow:visible}.learn-toc-progress{justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:10px;display:flex}.learn-toc-progress>.learn-label{margin-bottom:0}.learn-toc-progress-count{font-family:var(--ask-type-font-mono,"IBM Plex Mono", ui-monospace, monospace);color:var(--l-faint);white-space:nowrap;font-variant-numeric:tabular-nums;font-size:.8938rem}.learn-toc-progress-track{background:var(--ask-color-reader-border);border-radius:999px;height:3px;margin-bottom:18px;overflow:hidden}.learn-toc-progress-fill{transform-origin:0;background:var(--askedin-brand,#e05a20);border-radius:999px;width:100%;height:100%;transition:transform .15s ease-out}.learn-toc-list-wrap,.learn-toc-list{position:relative}.learn-toc-group+.learn-toc-group{margin-top:2px}.learn-toc-indicator{background:var(--askedin-brand,#e05a20);opacity:0;pointer-events:none;border-radius:999px;width:2px;transition:transform .22s cubic-bezier(.22,1,.36,1),opacity .15s;position:absolute;left:0}.learn-toc-group-row{align-items:center;gap:4px;display:flex}.learn-toc-link{min-width:0;color:var(--l-muted);z-index:1;flex:1;padding:3px 0 3px 12px;font-size:1.0563rem;line-height:1.35;text-decoration:none;transition:color .12s;display:block;position:relative}.learn-toc-link:hover{color:var(--ask-color-reader-muted)}.learn-toc-link.is-active{color:var(--ask-color-reader-text);font-weight:600}.learn-toc-link.is-nested{padding-left:20px;font-size:.975rem}.learn-toc-link.is-deep{padding-left:32px;font-size:.9rem}.learn-toc-subsublist{margin:0;padding:0;list-style:none}.learn-toc-chevron{width:22px;height:22px;color:var(--l-faint);border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;transition:color .12s,background .12s;display:flex}.learn-toc-chevron:hover{color:var(--ask-color-reader-muted);background:var(--l-hover)}.learn-toc-chevron svg{transition:transform .18s ease-out}.learn-toc-chevron.is-expanded svg{transform:rotate(180deg)}.learn-toc-sublist{margin:0;padding:0;list-style:none}.learn-toc-sublist>li{margin:0}.learn-tag{border:1px solid var(--ask-color-reader-border);background:var(--ask-color-reader-bg);color:var(--l-muted);border-radius:999px;padding:4px 10px;font-size:.8938rem;display:inline-block}.learn-search-overlay{z-index:200;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#11182759;justify-content:center;align-items:flex-start;padding:12vh 16px 16px;display:flex;position:fixed;inset:0}.learn-search-dialog{border:1px solid var(--ask-color-reader-border);background:var(--ask-color-reader-bg);width:100%;max-width:580px;box-shadow:var(--l-shadow);border-radius:16px;overflow:hidden}.learn-search-input-row{border-bottom:1px solid var(--ask-color-reader-border);align-items:center;gap:12px;padding:0 16px;display:flex}.learn-search-input-icon{color:var(--l-faint);flex-shrink:0}.learn-search-input{height:52px;color:var(--ask-color-reader-text);box-shadow:none;appearance:none;--tw-ring-shadow:0 0 #0000;--tw-ring-offset-shadow:0 0 #0000;background:0 0;border:none;outline:none;flex:1;font-size:1.2188rem}.learn-search-input:focus,.learn-search-input:focus-visible,.learn-search-input:active{box-shadow:none;border:none;outline:none}.learn-search-input-row:focus-within{box-shadow:none;outline:none}.learn-search-input::placeholder{color:var(--l-faint)}.learn-search-result{text-align:left;cursor:pointer;background:0 0;border:none;align-items:center;gap:12px;width:100%;padding:10px 16px;transition:background .1s;display:flex}.learn-search-result:hover,.learn-search-result.is-active{background:var(--l-hover)}.learn-search-result-title{color:var(--ask-color-reader-text);font-size:1.1375rem;font-weight:500}.learn-search-result-meta{color:var(--l-muted);font-size:.975rem}.learn-search-result-chevron{color:var(--l-faint)}.learn-search-empty{color:var(--l-muted);font-size:1.0563rem}.learn-search-icon-wrap{border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;display:flex}.learn-search-icon-a{background:var(--l-hover);color:var(--ask-color-reader-text)}.learn-search-icon-b{color:#e05a20;background:#fff1eb}.learn-search-icon-c{color:#059669;background:#ecfdf5}.learn-search-footer{border-top:1px solid var(--ask-color-reader-border);background:var(--l-sidebar);align-items:center;gap:20px;padding:10px 16px;display:flex}.learn-search-footer-hint{color:var(--l-muted);font-size:.8938rem}.learn-kbd{font-family:var(--ask-type-font-mono,"IBM Plex Mono", monospace);color:var(--l-faint);border:1px solid var(--ask-color-reader-border);background:var(--l-sidebar);border-radius:6px;padding:2px 6px;font-size:.8125rem}.learn-hub{background:var(--ask-color-reader-bg);min-height:100vh;color:var(--ask-color-reader-text)}.learn-hub-card{text-align:left;border:1px solid var(--ask-color-reader-border);background:var(--ask-color-reader-bg);border-radius:12px;width:100%;padding:20px 22px;transition:border-color .15s,box-shadow .15s}.learn-hub-card:hover:not(:disabled){border-color:var(--l-muted);box-shadow:0 2px 8px #0000000d}.learn-hub-muted{color:var(--l-muted)}.learn-status-muted{color:var(--l-muted);font-size:1.1375rem}.learn-hub-title{color:var(--ask-color-reader-text)}.learn-hub-title:hover,.learn-hub-card:hover .learn-hub-title,.learn-hub-brand{color:var(--askedin-brand,#e05a20)}@media (width<=767px){.learn-sidebar{display:none}.learn-sidebar.is-open{z-index:60;box-shadow:var(--l-shadow);display:flex;position:fixed;inset:0 auto 0 0}.learn-toc,.learn-article-rail{display:none}.learn-article-wrap{min-width:0;max-width:100%;padding:24px 20px 88px}.learn-main{--learn-header-h:108px}.learn-content-header{padding:10px 12px;padding-top:max(10px, env(safe-area-inset-top,0px));min-height:unset;grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"pickers meta""search search";gap:8px}.learn-header-pickers{gap:2px}.learn-header-pickers .relative{flex:1 1 0;min-width:0;max-width:50%}.learn-header-pickers .relative:only-child{max-width:none}.learn-header-pickers .relative.shrink-0{flex-shrink:1}.learn-header-picker-trigger{gap:3px;width:100%;max-width:none;min-height:40px;padding:4px 6px}.learn-breadcrumb{display:none}.learn-header-picker-trigger .learn-picker-title{font-size:.975rem}.learn-header-picker-sep{padding:0 1px;font-size:.975rem}.learn-search-trigger{max-width:none;height:36px;padding:0 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