.tippy-box[data-animation=fade][data-state=hidden]{opacity:0}[data-tippy-root]{max-width:calc(100vw - 10px)}.tippy-box{position:relative;background-color:#333;color:#fff;border-radius:4px;font-size:14px;line-height:1.4;white-space:normal;outline:0;transition-property:transform,visibility,opacity}.tippy-box[data-placement^=top]>.tippy-arrow{bottom:0}.tippy-box[data-placement^=top]>.tippy-arrow:before{bottom:-7px;left:0;border-width:8px 8px 0;border-top-color:initial;transform-origin:center top}.tippy-box[data-placement^=bottom]>.tippy-arrow{top:0}.tippy-box[data-placement^=bottom]>.tippy-arrow:before{top:-7px;left:0;border-width:0 8px 8px;border-bottom-color:initial;transform-origin:center bottom}.tippy-box[data-placement^=left]>.tippy-arrow{right:0}.tippy-box[data-placement^=left]>.tippy-arrow:before{border-width:8px 0 8px 8px;border-left-color:initial;right:-7px;transform-origin:center 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2rem;--block-label-gap: 12px;--block-label-gap-emphasis: 14px;--doc-header-gap: 3rem;--doc-line-height: 1.75;--doc-line-height-intro: 1.8;--doc-paragraph-gap: 1rem;--doc-paragraph-gap-emphasis: .85rem}[data-theme=light]{--bg: #FFFFFF;--bg-secondary:#F6F8FA;--bg-tertiary: #EEF0F3;--surface: #FFFFFF;--border: #E1E5EA;--text: #0B1F35;--text-muted: #5A6978;--text-faint: #9BA8B5;--code-bg: #F0F2F5;--code-text: #2D4A6A;--nav-bg: rgba(255,255,255,.94);--sidebar-bg: #F6F8FA;--step-circle-bg: #EEF0F3;--step-line: #DDE1E6;--info-bg: #EBF3FF;--info-border: #7DB8FA;--success-bg: #EDFAF4;--success-border: #3ECBA0;--warning-bg: #FFF9F2;--warning-border: #E8A342;--placeholder-bg: #F6F8FA;--placeholder-border: #D0D6DE;--learn-bg: #F6F8FA;--link: #1A6EF7;--link-hover: #1558CC}[data-theme=dark]{--bg: #0B1F35;--bg-secondary:#0F2640;--bg-tertiary: #132D49;--surface: #0F2640;--border: rgba(255,255,255,.09);--text: #E8EFF6;--text-muted: #7E9BB5;--text-faint: #4D6B84;--code-bg: 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var(--transition)}a:not([class]),a:not([class]):visited{color:var(--link)}a:not([class]):hover{color:var(--link-hover)}.topnav{position:fixed;top:0;left:0;right:0;z-index:500;height:56px;background:var(--nav-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,420px) minmax(0,1fr);align-items:center;gap:1rem;padding:0 1.5rem}.topnav-left{display:flex;align-items:center;gap:.75rem;min-width:0;justify-self:start;flex-wrap:nowrap}.topnav-logo{font-family:Caveat,cursive;font-size:28px;font-weight:600;line-height:1;color:var(--text);text-decoration:none;letter-spacing:.01em;display:flex;align-items:center;flex-shrink:0}.topnav-logo-img{display:block;height:22px;width:auto}.topnav-logo-img--dark,[data-theme=dark] .topnav-logo-img--light{display:none}[data-theme=dark] .topnav-logo-img--dark{display:block}.logo-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex-shrink:0}.topnav-sep{width:1px;height:18px;background:var(--border);flex-shrink:0}.topnav-sub{font-size:13px;color:var(--text-muted);white-space:nowrap}.topnav-areas{display:flex;align-items:center;gap:4px;margin-left:.5rem;padding:3px;border-radius:9px;background:var(--bg-secondary);border:1px solid var(--border)}.topnav-actions{display:contents}.topnav-search{position:relative;width:100%;max-width:420px;justify-self:center}.topnav-search-toggle{flex-shrink:0}.topnav-search-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:600;background:#0f172a59}.topnav-search-overlay-bar{display:flex;align-items:center;gap:.5rem;height:56px;padding:0 1rem;background:var(--nav-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.topnav-search-overlay-bar .topnav-search-input-wrap{flex:1;min-width:0}.topnav-search-overlay .topnav-search-dropdown{position:absolute;top:56px;left:0;right:0;max-height:calc(100vh - 56px);overflow:auto;border-radius:0;border-left:none;border-right:none}.topnav-search-input-wrap{display:flex;align-items:center;gap:.5rem;height:36px;padding:0 .75rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-secondary);transition:border-color var(--transition),box-shadow var(--transition)}.topnav-search-input-wrap:focus-within{border-color:var(--accent);box-shadow:0 0 0 2px #1a6ef71f}.topnav-search-icon{flex-shrink:0;color:var(--text-faint)}.topnav-search-input-wrap>svg{flex-shrink:0;color:var(--text-faint)}.topnav-search-input{flex:1;min-width:0;border:none;background:transparent;font-size:13px;color:var(--text);outline:none}.topnav-search-input::placeholder{color:var(--text-faint)}.topnav-search-kbd{flex-shrink:0;font-size:10px;font-family:inherit;color:var(--text-faint);border:1px solid var(--border);border-radius:4px;background:var(--bg);padding:.1rem .35rem;line-height:1.4}.topnav-search-dropdown{position:absolute;top:calc(100% + 6px);left:0;right:0;z-index:300;background:var(--bg);border:1px solid var(--border);border-radius:calc(var(--radius) + 2px);box-shadow:0 12px 40px #0f172a26;overflow:hidden}.topnav-search-results{max-height:min(60vh,420px)}.topnav-area{font-size:12px;font-weight:500;color:var(--text-muted);text-decoration:none;padding:5px 12px;border-radius:6px;transition:background var(--transition),color var(--transition);white-space:nowrap}.topnav-area--icon{display:inline-flex;align-items:center;justify-content:center;padding:5px 8px}.topnav-area--icon svg{display:block}.topnav-area:hover{color:var(--text);text-decoration:none}.topnav-area.active{background:var(--surface);color:var(--text);box-shadow:0 1px 2px #0000000f}.topnav-right{display:flex;align-items:center;gap:12px;justify-self:end;min-width:0;flex-shrink:0}.tag{font-size:11px;font-weight:500;padding:3px 10px;border-radius:20px;background:var(--accent-light);color:var(--accent);border:1px solid var(--info-border);white-space:nowrap}.theme-btn{width:34px;height:34px;border-radius:8px;border:1px solid var(--border);background:var(--bg-secondary);color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background var(--transition),color var(--transition),border-color var(--transition);flex-shrink:0}.theme-btn:hover,.theme-btn.is-open{background:var(--bg-tertiary);color:var(--text)}.theme-btn svg{width:16px;height:16px}.icon-sun{display:none}.icon-moon,[data-theme=dark] .icon-sun{display:block}[data-theme=dark] 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var(--border);margin-top:.75rem;padding-top:.75rem}.settings-panel-link{display:block;font-size:13px;font-weight:500;color:var(--accent);text-decoration:none}.settings-panel-link:hover{text-decoration:underline}.settings-toggle{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:.7rem 0;border-top:1px solid var(--border);cursor:pointer}.settings-toggle.is-disabled{opacity:.5;cursor:not-allowed}.settings-toggle-copy{display:flex;flex-direction:column;gap:2px;min-width:0}.settings-toggle-title{font-size:13px;font-weight:500;color:var(--text)}.settings-toggle-desc{font-size:12px;color:var(--text-muted);line-height:1.4}.settings-toggle input{-moz-appearance:none;appearance:none;-webkit-appearance:none;width:36px;height:20px;margin-top:1px;flex-shrink:0;border-radius:999px;border:none;background:var(--text-faint);position:relative;cursor:pointer;transition:background .15s}.settings-toggle 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1px)}.sidebar-scroll::-webkit-scrollbar{width:3px}.sidebar-scroll::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}.sidebar-footer{position:absolute;left:0;right:0;bottom:0;z-index:3;padding:.75rem 1rem 1rem;border-top:1px solid var(--border);background:var(--sidebar-bg);box-shadow:0 -8px 16px #0f172a0a}.sidebar-footer-actions{display:flex;gap:.5rem}.sidebar-footer-btn{display:flex;align-items:center;justify-content:center;flex:1;min-width:0;padding:.6rem;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg);color:var(--text-muted);cursor:pointer;transition:background var(--transition),border-color var(--transition),color var(--transition)}.sidebar-footer-btn svg{width:16px;height:16px;display:block}.sidebar-footer-btn:hover:not(:disabled){color:var(--text);border-color:var(--text-faint);background:var(--bg-subtle)}.sidebar-footer-btn--add{border-color:var(--accent);background:var(--accent-light);color:var(--accent)}.sidebar-footer-btn--add:hover:not(:disabled),.sidebar-footer-btn--add.is-open{background:var(--accent);border-color:var(--accent);color:#fff}.sidebar-footer-btn--edit.is-active{color:var(--accent);border-color:var(--accent);background:var(--accent-light)}.sidebar-footer-btn:disabled{opacity:.6;cursor:wait}.sidebar-footer-btn-icon{font-size:20px;font-weight:500;line-height:1}.sidebar--nav-editing .sb-nav-reorder-hint{color:var(--accent)}.sidebar-add-menu{position:absolute;left:1rem;right:1rem;bottom:calc(100% + .35rem);display:flex;flex-direction:column;gap:.15rem;padding:.35rem;border:1px solid var(--border);border-radius:8px;background:var(--bg);box-shadow:0 8px 24px #0f172a1f;z-index:4}.sidebar-add-menu-item{border:none;background:transparent;text-align:left;padding:.5rem .65rem;border-radius:6px;font-size:13px;color:var(--text);cursor:pointer}.sidebar-add-menu-item:hover{background:var(--bg-tertiary);color:var(--accent)}.sidebar-add-menu-item:before{content:"+ ";color:var(--text-faint)}.sidebar-add-menu-item--with-icon{display:flex;align-items:center;gap:.45rem}.sidebar-add-menu-item-icon{display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;flex-shrink:0;color:var(--text-muted)}.sidebar-add-menu-item-icon svg{width:16px;height:16px}.sidebar-add-menu-item--with-icon:hover .sidebar-add-menu-item-icon{color:var(--accent)}.sb-section{padding:0 1rem .25rem}.sb-label-row{display:flex;align-items:center;gap:2px;margin-bottom:2px;min-height:28px}.sb-label-row .sb-label{margin-bottom:0;flex:1;min-width:0}.sb-section-toggle{display:flex;align-items:center;gap:6px;flex:1;min-width:0;min-height:28px;padding:5px 8px;margin:0;border:none;border-radius:var(--radius);background:transparent;text-align:left;cursor:pointer;color:inherit}.sb-section-toggle:hover{background:var(--bg-tertiary)}.sb-section-toggle .sb-label{padding:0;display:inline;line-height:1.3}.sb-section-chevron{flex-shrink:0;width:12px;height:12px;color:var(--text-faint);transition:transform var(--transition)}.sb-section-chevron.is-collapsed{transform:rotate(-90deg)}.sb-nav-section.is-collapsed .sb-label-row{margin-bottom:6px}.sb-nav-section.is-collapsed .sb-section{padding-bottom:.35rem}.sb-nav-section-items{margin:0 0 8px;padding:0}.sb-nav-children{margin:1px 0 4px 12px;padding:0 0 0 10px;border-left:2px solid color-mix(in srgb,var(--border) 88%,var(--text-faint))}.sb-nav-children.has-active{border-left-color:color-mix(in srgb,var(--accent) 50%,var(--border))}.sb-nav-section-delete{flex-shrink:0;width:22px;height:22px;padding:0;border:none;border-radius:4px;background:transparent;color:var(--text-faint);font-size:16px;line-height:1;cursor:pointer;opacity:0;transition:opacity var(--transition),background var(--transition),color var(--transition)}.sb-label-row:hover .sb-nav-section-delete,.sb-nav-section-delete:focus-visible{opacity:1}.sb-nav-section-delete:hover{background:#dc26261a;color:#dc2626}.sb-nav-section-delete:disabled{opacity:.35;cursor:wait}.sb-nav-section{position:relative}.sb-nav-section.is-dragging{opacity:.45}.sb-nav-section.is-drop-before-section:before{content:"";position:absolute;left:1rem;right:1rem;top:-1px;height:2px;border-radius:1px;background:var(--accent);pointer-events:none}.sb-nav-section-drop-end{height:10px;margin:0 1rem}.sb-nav-section-drop-end.is-drop-before-section{height:2px;background:var(--accent);border-radius:1px;margin-top:4px;margin-bottom:4px}.sb-label{font-size:11px;font-weight:500;letter-spacing:.04em;text-transform:uppercase;color:var(--text-faint);padding:0 .5rem;margin-bottom:2px;display:block}.sb-nav-reorder-hint{font-size:11px;color:var(--text-faint);line-height:1.4;padding:0 1.5rem .5rem;margin:0}.sb-nav-item{display:flex;align-items:center;gap:2px;border-radius:var(--radius);position:relative}.sb-nav-item.is-dragging{opacity:.45}.sb-nav-item--nested .sb-link.sb-link-nested{padding:5px 10px}.sb-nav-item--nested.is-drop-before:before{left:10px}.sb-nav-item.is-drop-before:before{content:"";position:absolute;left:28px;right:8px;top:-1px;height:2px;border-radius:1px;background:var(--accent);pointer-events:none}.sb-nav-item--nested.is-drop-after:after{left:10px}.sb-nav-item.is-drop-after:after{content:"";position:absolute;left:28px;right:8px;bottom:-1px;height:2px;border-radius:1px;background:var(--accent);pointer-events:none}.sb-nav-item.is-drop-into{background:var(--accent-light);box-shadow:inset 0 0 0 1.5px var(--accent)}.sb-nav-item.is-drop-into .sb-link{color:var(--accent)}.sb-nav-item .sb-link{flex:1;min-width:0}.sb-nav-handle{flex-shrink:0;width:18px;height:28px;padding:0;margin:0;border:none;border-radius:4px;background:transparent;color:var(--text-faint);cursor:grab;display:inline-flex;align-items:center;justify-content:center;opacity:.55}.sb-nav-handle:hover,.sb-nav-item:hover .sb-nav-handle{opacity:1;color:var(--text-muted);background:var(--bg-tertiary)}.sb-nav-handle:active{cursor:grabbing}.sb-nav-handle svg{width:12px;height:12px;display:block}.sb-nav-drop-end{height:8px;margin:2px 8px 0 28px;border-radius:2px}.sb-nav-drop-end.is-drop-before{background:var(--accent);height:2px;margin-top:4px;margin-bottom:4px}.sb-link{display:flex;align-items:center;gap:9px;padding:7px 10px;border-radius:var(--radius);font-size:13px;color:var(--text-muted);background:none;border:none;width:100%;text-align:left;cursor:pointer;text-decoration:none;transition:background var(--transition),color var(--transition)}.sb-link:hover{background:var(--bg-tertiary);color:var(--text);text-decoration:none}.sb-link.active{background:var(--accent-light);color:var(--accent);font-weight:500;text-decoration:none}.sb-link:focus-visible{text-decoration:none;outline:2px solid rgba(26,110,247,.35);outline-offset:2px}.sb-num{font-size:10px;font-weight:600;width:20px;height:20px;border-radius:50%;background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--text-faint);transition:background var(--transition),color var(--transition)}.sb-link.active .sb-num{background:var(--accent);color:#fff}.sb-nav-section+.sb-nav-section{margin-top:.35rem}.sb-section+.sb-nav-section,.sb-nav-section+.sb-section{margin-top:.5rem}.sb-divider{height:1px;background:var(--border);margin:1rem}.sb-hint{font-size:11px;color:var(--text-faint);line-height:1.45;padding:4px 10px 0 2.5rem;margin:0}.sb-area-switch{color:var(--text-muted)}.sb-node-categories{margin-top:6px}.sb-node-filter{display:flex;align-items:center;gap:8px;margin:6px 0 8px;padding:6px 10px;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-secondary);color:var(--text-faint)}.sb-node-filter:focus-within{border-color:var(--accent);box-shadow:0 0 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10px;border-radius:var(--radius);font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--text-faint);cursor:pointer;list-style:none;-webkit-user-select:none;user-select:none;text-align:left}.sb-category-summary>span:first-of-type{flex:1;min-width:0;text-align:left}.sb-category-summary::-webkit-details-marker{display:none}.sb-category-summary:before{content:"▸";display:inline-block;flex-shrink:0;font-size:9px;transition:transform .15s ease}.sb-category[open]>.sb-category-summary:before{transform:rotate(90deg)}.sb-category-summary:hover{background:var(--bg-tertiary);color:var(--text-muted)}.sb-category-count{flex-shrink:0;margin-left:auto;font-size:10px;font-weight:600;padding:1px 6px;border-radius:999px;background:var(--bg-tertiary);color:var(--text-faint)}.sb-category-links{padding:2px 0 6px 4px}.sb-usage-section-body{padding:0 0 4px 6px}.sb-usage-subgroup{margin-left:4px}.sb-usage-subgroup-summary{font-size:10px;letter-spacing:.04em;text-transform:none;font-weight:500;color:var(--text-muted);padding:4px 10px 4px 8px}.sb-usage-section>.sb-category-summary{text-transform:none;letter-spacing:.02em;font-size:12px;color:var(--text-muted)}.sb-usage-flat-links{padding-left:8px}.sb-link-nested{padding:5px 10px 5px 22px;font-size:12px;line-height:1.35}.sb-link-nested-label{flex:1;min-width:0}.sb-link-nested .node-badge{flex-shrink:0;margin-left:auto;font-size:9px;padding:1px 5px;letter-spacing:.03em}.sb-num--nested{width:16px;height:16px;font-size:9px;flex-shrink:0}.main{margin-left:var(--sidebar-w);flex:1;min-width:0}.exercise{display:none;position:relative;padding:3.5rem 4.5rem 7rem;max-width:820px}.exercise.active{display:block;line-height:var(--doc-line-height)}.page-header{position:relative;margin-bottom:var(--doc-header-gap);padding-bottom:var(--doc-header-gap);border-bottom:1px solid 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var(--border);color:var(--text);vertical-align:top;line-height:1.55}.faq-table tr:last-child td{border-bottom:none}.faq-table tr:hover td{background:var(--bg-secondary)}.faq-table td:first-child{font-weight:500}.faq-table--label-first td:first-child,.faq-table--label-first th:first-child{white-space:normal;overflow-wrap:break-word;word-break:normal}.faq-table--label-first tr>:first-child:nth-last-child(2){width:44%}.faq-table--label-first tr>:last-child:nth-child(2){width:56%}.faq-table--context{table-layout:fixed}.faq-table--context td:first-child{width:22%;font-weight:500}.faq-table--context td:nth-child(2){width:48%}.faq-table--context td:nth-child(3){width:30%}.faq-table--context td code{word-break:break-all;white-space:normal}.faq-table--syntax td:first-child{width:36%}.faq-table--syntax td:nth-child(2){width:22%;white-space:nowrap}.faq-table--syntax td:nth-child(3){width:42%}.faq-table--use-cases td:first-child{width:34%}.faq-table--use-cases 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.a-node{background:#18304e}.a-icon{width:56px;background:#9b51e0;border-radius:6px 0 0 6px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:22px}.a-body{padding:12px 16px;display:flex;flex-direction:column;justify-content:center}.a-name{font-size:16px;font-weight:700;color:var(--text);line-height:1.2}.a-sub{font-size:13px;color:var(--text-faint)}.hotspot{position:absolute;border-radius:50%;width:26px;height:26px;background:var(--accent);color:#fff;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;cursor:pointer;border:2px solid var(--bg);transition:transform .15s,background .15s;z-index:5}.hotspot:hover{transform:scale(1.18)}.hotspot.active{background:var(--navy)}[data-theme=dark] .hotspot.active{background:#fff;color:var(--navy)}.a-anchor{position:absolute;width:13px;height:13px;border-radius:3px;border:2.5px solid;background:var(--bg)}.a-anchor.in{left:-8px;top:50%;transform:translateY(-50%);border-color:#1a6ef7}.a-anchor.out1{right:-8px;top:32%;border-color:#d9930d}.a-anchor.out2{right:-8px;top:58%;border-color:#d9930d}.a-anchor.trig-b{bottom:-8px;left:38%;border-color:#1a6ef7}.a-anchor.trig-g{bottom:-8px;left:50%;border-color:#1f9d55}.a-anchor.trig-r{bottom:-8px;left:62%;border-color:#d64545}.a-status{position:absolute;top:7px;left:62px;color:#1f9d55;font-size:15px;font-weight:700}.a-info{position:absolute;top:-24px;right:-4px;color:#d64545;font-size:17px}.a-label{position:absolute;left:-62px;top:50%;transform:translateY(-50%);font-size:11px;font-weight:600;background:#6b7683;color:#fff;padding:2px 8px;border-radius:4px}.anatomy-detail{border-top:1px solid var(--border);padding-top:1.5rem;min-height:110px}.anatomy-detail-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:6px;display:flex;align-items:center;gap:8px}.anatomy-detail-num{width:22px;height:22px;border-radius:50%;background:var(--accent);color:#fff;font-size:11px;font-weight:700;display:inline-flex;align-items:center;justify-content:center}.anatomy-detail-text{font-size:13.5px;color:var(--text-muted);line-height:1.6}.anatomy-detail-text .c-blue{color:#1a6ef7;font-weight:600}.anatomy-detail-text .c-green{color:#1f9d55;font-weight:600}.anatomy-detail-text .c-red{color:#d64545;font-weight:600}.anatomy-hint{font-size:12px;color:var(--text-faint);text-align:center;margin-top:.5rem}.release-notes-btn{position:relative}.release-notes-btn-dot{position:absolute;top:6px;right:6px;width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 2px 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var(--transition)}.release-notes-archive-item:hover{border-color:var(--accent);background:var(--bg)}.release-notes-archive-title{font-size:16px;font-weight:600;color:var(--text);margin-bottom:4px}.release-notes-archive-meta{font-size:13px;color:var(--text-muted)}.release-notes-archive-arrow{color:var(--text-faint);font-size:18px}.release-note-view-header{margin-bottom:1.5rem}.release-note-view-eyebrow{font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--accent);margin-bottom:.35rem}.release-note-view-title{font-size:clamp(1.5rem,2.5vw,2rem);font-weight:700;color:var(--text);margin-bottom:.5rem}.release-note-view-meta{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:13px;color:var(--text-muted)}.release-note-highlights{display:grid;gap:14px;margin-bottom:1.75rem}.release-note-highlight{display:grid;gap:14px;padding:1rem 1.1rem;border:1px solid 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.release-notes-page-back{margin-bottom:1.5rem}.release-notes-admin-list-head,.release-notes-admin-section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:1rem}.release-notes-admin-section-title{font-size:18px;font-weight:600;color:var(--text)}.release-notes-admin-subtitle{font-size:15px;font-weight:600;color:var(--text);margin-bottom:.35rem}.release-notes-admin-items{list-style:none;padding:0;margin:0;display:grid;gap:10px}.release-notes-admin-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:.85rem 1rem;border:1px solid var(--border);border-radius:10px;background:var(--bg-secondary)}.release-notes-admin-item-title{font-weight:600;color:var(--text);text-decoration:none}.release-notes-admin-item-title:hover{color:var(--accent)}.release-notes-admin-item-meta{font-size:13px;color:var(--text-muted);margin-top:2px}.release-notes-admin-badge{display:inline-block;padding:1px 8px;border-radius:999px;font-size:11px;font-weight:600;text-transform:uppercase}.release-notes-admin-badge--draft{background:#eab30826;color:#a16207}.release-notes-admin-badge--published{background:#22c55e26;color:#15803d}.release-notes-admin-editor-main{display:grid;gap:1.5rem}@media(min-width:1100px){.release-notes-admin-editor-main{grid-template-columns:minmax(0,1fr) minmax(320px,420px);align-items:start}}.release-notes-admin-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));margin-bottom:1rem}.release-notes-admin-field{display:grid;gap:6px;margin-bottom:1rem}.release-notes-admin-field span{font-size:13px;font-weight:500;color:var(--text)}.release-notes-admin-field input,.release-notes-admin-field textarea{width:100%;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text);padding:.6rem .75rem;font:inherit}.release-notes-admin-help{font-size:13px;color:var(--text-muted);margin-bottom:.75rem}.release-notes-admin-highlight{padding:1rem;border:1px solid var(--border);border-radius:10px;background:var(--bg-secondary);margin-bottom:12px}.release-notes-admin-import{margin-top:1rem;padding-top:1rem;border-top:1px solid var(--border)}.release-notes-admin-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:.75rem}.release-notes-admin-message{margin-top:.75rem;font-size:13px;color:var(--accent)}.release-notes-admin-preview-frame{border:1px solid var(--border);border-radius:12px;background:var(--bg-secondary);padding:1rem;max-height:80vh;overflow:auto}@media(max-width:860px){.sidebar{display:none}.main{margin-left:0}.exercise{padding:2.5rem 1.5rem 5rem}.topnav-sub{display:none}.topnav-search-input{font-size:12px}}:root{--font-heading: "Rethink Sans", "Inter", system-ui, sans-serif;--lt-navy: #23244d;--lt-blue: #0080ff;--lt-blue-hover: #50b0ff;--lt-btn-secondary: 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var(--transition)}.version-option:hover{background:var(--bg-secondary)}.version-option.is-selected{background:var(--accent-light)}.version-option-copy{display:flex;flex-direction:column;gap:1px;min-width:0}.version-option-title{font-size:13px;font-weight:600;color:var(--text)}.version-option-desc{font-size:11px;color:var(--text-muted)}.version-option-meta{display:flex;align-items:center;gap:6px;flex-shrink:0}.version-option-badge{font-size:10px;font-weight:600;letter-spacing:.03em;text-transform:uppercase;padding:.15rem .4rem;border-radius:999px;border:1px solid var(--border);color:var(--text-faint)}.version-option-badge--latest{color:var(--accent);border-color:var(--info-border);background:var(--accent-light)}.version-option-badge--eol{color:#b45309;border-color:#b4530959;background:#b4530914}.version-option-check{color:var(--accent)}.topnav-areas{flex-shrink:0}.home-areas-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.25rem;margin-top:1.5rem}.home-area-card{display:block;padding:1.5rem 1.75rem;border-radius:12px;border:1px solid var(--border);background:var(--surface);text-decoration:none;transition:border-color .15s,box-shadow .15s,transform .15s}.home-area-card:hover{border-color:var(--accent);box-shadow:0 8px 24px #1a6ef714;transform:translateY(-1px);text-decoration:none}.home-area-card--docs:hover{border-color:#1f9d55;box-shadow:0 8px 24px #1f9d5514}.home-area-label{font-size:10px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:6px}.home-area-card--docs .home-area-label{color:#1f9d55}.home-area-title{font-size:18px;font-weight:600;color:var(--text);margin-bottom:8px}.home-area-desc{font-size:13.5px;color:var(--text-muted);line-height:1.55;margin:0 0 1rem}.home-area-cta{font-size:13px;font-weight:500;color:var(--accent)}.home-area-card--docs .home-area-cta{color:#1f9d55}.exercise.course-hub{max-width:1000px}.course-hub-block{margin-top:3rem;padding-top:2.5rem;border-top:1px solid var(--border)}.docs-hub-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:1.25rem;margin-top:2rem}.docs-hub-grid--single{grid-template-columns:1fr;max-width:28rem}.docs-hub-grid--two{grid-template-columns:1fr 1fr}.docs-hub-grid--three{grid-template-columns:repeat(3,1fr)}.docs-hub-card{display:block;padding:1.5rem 1.75rem;border-radius:12px;border:1px solid var(--border);background:var(--surface);text-decoration:none;transition:border-color .15s,box-shadow .15s}.docs-hub-card--primary:hover{border-color:var(--accent);box-shadow:0 8px 24px #1a6ef714;text-decoration:none}.docs-hub-card-label{font-size:10px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--text-faint);margin-bottom:6px}.docs-hub-card-title{font-size:18px;font-weight:600;color:var(--text);margin-bottom:8px}.docs-hub-card-desc{font-size:13.5px;color:var(--text-muted);line-height:1.55;margin:0 0 1rem}.docs-hub-card-cta{font-size:13px;font-weight:500;color:var(--accent)}.docs-hub-link-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.docs-hub-link-list a{font-size:13.5px;color:var(--text-muted);text-decoration:none}.docs-hub-link-list a:hover{color:var(--accent)}@media(max-width:1200px){.topnav{grid-template-columns:minmax(0,1fr) auto;gap:.5rem;padding:0 1rem}.topnav-actions{display:flex;align-items:center;gap:8px;grid-column:2;justify-self:end;min-width:0}.topnav-right{gap:8px}.topnav-link{padding:4px 6px;font-size:12px}}@media(max-width:860px){.topnav-areas,.topnav-link--logout{display:none}.home-areas-grid,.docs-hub-grid,.docs-hub-grid--two,.docs-hub-grid--three{grid-template-columns:1fr}}.sb-link.active,.sb-home.active{background:var(--accent-light);color:var(--accent);font-weight:500}.auth-loading{min-height:100vh;display:flex;align-items:center;justify-content:center;gap:10px;color:var(--text-muted);padding-top:56px}.login-page{min-height:100vh;background:var(--bg);display:flex;flex-direction:column}.login-card-wrap{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;gap:1.25rem;padding:2rem 1.25rem}.login-card{width:100%;max-width:400px;border:1px solid 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