.Nav-module__gOObGW__header{z-index:100;border-bottom:1px solid var(--bc-rule-soft);font-family:var(--font-ui), system-ui, sans-serif;background:#fff;padding:0 clamp(16px,4.5vw,56px);position:sticky;top:0}.Nav-module__gOObGW__bar{align-items:center;gap:24px;max-width:1320px;height:64px;margin:0 auto;display:flex}.Nav-module__gOObGW__logo{color:var(--bc-ink);flex-shrink:0;align-items:center;gap:9px;text-decoration:none;display:inline-flex}.Nav-module__gOObGW__wordmark{letter-spacing:-.3px;font-size:19px;font-weight:700;line-height:1}.Nav-module__gOObGW__primary{align-items:stretch;gap:4px;height:100%;margin-left:12px;display:flex}.Nav-module__gOObGW__primaryLink{color:var(--bc-ink-soft);white-space:nowrap;align-items:center;padding:0 12px;font-size:16px;font-weight:500;text-decoration:none;transition:color .12s,box-shadow .12s;display:inline-flex;box-shadow:inset 0 -2px #0000}.Nav-module__gOObGW__primaryLink:hover{color:var(--bc-ink)}.Nav-module__gOObGW__primaryLink[aria-current=page]{color:var(--bc-ink);box-shadow:inset 0 -3px 0 var(--link-section,var(--bc-ink))}.Nav-module__gOObGW__primaryLink[data-section=leaderboard]{--link-section:var(--section-leaderboard)}.Nav-module__gOObGW__primaryLink[data-section=lessons]{--link-section:var(--section-lessons)}.Nav-module__gOObGW__primaryLink[data-section=tournaments]{--link-section:var(--section-tournaments)}.Nav-module__gOObGW__primaryLink[data-section=motions]{--link-section:var(--section-motions)}.Nav-module__gOObGW__primaryLink:focus-visible{outline-offset:-2px}.Nav-module__gOObGW__actions{align-items:center;gap:8px;margin-left:auto;display:flex}.Nav-module__gOObGW__mobileActions{align-items:center;gap:8px;margin-left:auto;display:none}.Nav-module__gOObGW__menuButton{border:1.5px solid var(--bc-rule-soft);border-radius:var(--bc-radius-control);min-height:44px;color:var(--bc-ink);cursor:pointer;background:#fff;justify-content:center;align-items:center;padding:0 16px;font-family:inherit;font-size:16px;font-weight:600;display:inline-flex}.Nav-module__gOObGW__menuButton:hover,.Nav-module__gOObGW__menuButton[aria-expanded=true]{border-color:var(--bc-ink)}@media (max-width:1080px){.Nav-module__gOObGW__primary,.Nav-module__gOObGW__actions{display:none}.Nav-module__gOObGW__mobileActions{display:flex}.Nav-module__gOObGW__bar{gap:12px}}@media (max-width:420px){.Nav-module__gOObGW__wordmark{display:none}.Nav-module__gOObGW__bar{gap:8px}}.Nav-module__gOObGW__drawer{border-top:1px solid var(--bc-rule-soft);max-width:1320px;margin:0 auto;padding:8px 0 16px}@media (min-width:1081px){.Nav-module__gOObGW__drawer{display:none}}.Nav-module__gOObGW__drawerList{margin:0;padding:0;list-style:none}.Nav-module__gOObGW__drawerItem{width:100%;min-height:48px;color:var(--bc-ink-soft);text-align:left;cursor:pointer;background:0 0;border:0;align-items:center;padding:0 4px;font-family:inherit;font-size:18px;font-weight:500;text-decoration:none;display:flex}.Nav-module__gOObGW__drawerItem:hover{color:var(--bc-ink)}.Nav-module__gOObGW__drawerItem[aria-current=page]{color:var(--bc-ink);font-weight:700}.Nav-module__gOObGW__drawerRule{background:var(--bc-rule-soft);border:0;height:1px;margin:8px 0}.Nav-module__gOObGW__account{min-height:48px;color:var(--bc-muted);align-items:center;gap:10px;padding:0 4px;font-size:15px;display:flex}.Nav-module__gOObGW__avatar{background:var(--bc-muted-soft);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:30px;height:30px;font-size:14px;font-weight:700;display:flex;overflow:hidden}.Nav-module__gOObGW__avatar img{object-fit:cover;border-radius:50%}@media (prefers-reduced-motion:reduce){.Nav-module__gOObGW__primaryLink{transition:none}}
.Footer-module__S6Hkya__footer{border-top:1px solid var(--bc-rule-soft);font-family:var(--font-ui), system-ui, sans-serif;color:var(--bc-ink);background:#fff;padding:48px clamp(16px,4.5vw,56px) 32px}.Footer-module__S6Hkya__inner{max-width:1320px;margin:0 auto}.Footer-module__S6Hkya__top{grid-template-columns:minmax(0,1.4fr) repeat(2,minmax(0,1fr));align-items:start;gap:40px 48px;display:grid}.Footer-module__S6Hkya__brand{max-width:360px}.Footer-module__S6Hkya__logo{color:var(--bc-ink);align-items:center;gap:9px;text-decoration:none;display:inline-flex}.Footer-module__S6Hkya__wordmark{letter-spacing:-.3px;font-size:19px;font-weight:700;line-height:1}.Footer-module__S6Hkya__tagline,.Footer-module__S6Hkya__contact{color:var(--bc-ink-soft);margin:14px 0 0;font-size:15px;line-height:1.5}.Footer-module__S6Hkya__contact a{color:var(--bc-ink);text-underline-offset:3px;text-decoration:underline}.Footer-module__S6Hkya__heading{color:var(--bc-ink);margin:0 0 12px;font-size:15px;font-weight:600}.Footer-module__S6Hkya__list{gap:10px;margin:0;padding:0;list-style:none;display:grid}.Footer-module__S6Hkya__link{color:var(--bc-ink-soft);font-size:16px;text-decoration:none}.Footer-module__S6Hkya__link:hover{color:var(--bc-ink);text-underline-offset:3px;text-decoration:underline}.Footer-module__S6Hkya__legal{border-top:1px solid var(--bc-rule-soft);color:var(--bc-muted);margin:40px 0 0;padding-top:20px;font-size:14px}@media (max-width:720px){.Footer-module__S6Hkya__footer{padding:28px 16px 24px}.Footer-module__S6Hkya__top{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 24px}.Footer-module__S6Hkya__brand{grid-column:1/-1;max-width:none}.Footer-module__S6Hkya__tagline,.Footer-module__S6Hkya__contact{margin-top:8px}.Footer-module__S6Hkya__heading{margin-bottom:2px}.Footer-module__S6Hkya__list{gap:0}.Footer-module__S6Hkya__link{align-items:center;min-height:44px;display:flex}.Footer-module__S6Hkya__legal{margin-top:20px;padding-top:16px}}
.SiteBanner-module__pt41Wa__bar{max-width:var(--bc-page-max-width);border:1px solid var(--bc-rule-soft);font-family:var(--font-ui), system-ui, sans-serif;color:var(--bc-ink);background:#fff;border-radius:10px;flex-wrap:wrap;align-items:center;gap:10px 14px;margin:12px auto;padding:10px 8px 10px 16px;display:flex}@media (max-width:1140px){.SiteBanner-module__pt41Wa__bar{margin-left:16px;margin-right:16px}}.SiteBanner-module__pt41Wa__dot{background:var(--dot,var(--bc-ink));border-radius:50%;flex:none;width:10px;height:10px}.SiteBanner-module__pt41Wa__message{flex:220px;margin:0;font-size:16px;line-height:1.45}.SiteBanner-module__pt41Wa__control{flex:200px;max-width:280px}.SiteBanner-module__pt41Wa__dismiss{border-radius:var(--bc-radius-control);width:44px;height:44px;color:var(--bc-muted);cursor:pointer;background:0 0;border:0;flex:none;place-items:center;margin-left:auto;font-size:22px;line-height:1;display:grid}.SiteBanner-module__pt41Wa__dismiss:hover{background:var(--bc-row-hover);color:var(--bc-ink)}.SiteBanner-module__pt41Wa__dismiss:focus-visible{outline:2px solid var(--bc-focus);outline-offset:1px}
.Notebook-module__QuYUGa__rootScope{font-family:var(--font-ui), system-ui, sans-serif}.Notebook-module__QuYUGa__rail{background:var(--bc-ink);color:#fff;width:220px;height:44px;font:inherit;font-family:var(--font-ui), system-ui, sans-serif;cursor:pointer;z-index:90;border:none;border-top-left-radius:10px;border-top-right-radius:10px;flex-direction:column;padding:0;transition:width .24s cubic-bezier(.22,1,.36,1),height .24s cubic-bezier(.22,1,.36,1);display:flex;position:fixed;bottom:0;right:40px}.Notebook-module__QuYUGa__rail:hover,.Notebook-module__QuYUGa__rail:focus-visible{outline:none;width:260px;height:80px}.Notebook-module__QuYUGa__rail:focus-visible{box-shadow:0 0 0 3px var(--bc-focus)}.Notebook-module__QuYUGa__railTopRow{flex:0 0 44px;justify-content:center;align-items:center;gap:12px;padding:0 16px;display:flex}.Notebook-module__QuYUGa__railIcon{color:#fff;flex:none;display:inline-flex}.Notebook-module__QuYUGa__railLabel{font-size:16px;font-weight:700;line-height:1}.Notebook-module__QuYUGa__railSep{background:#ffffff4d;width:1px;height:14px}.Notebook-module__QuYUGa__railShortcut{color:#ffffffbf;font-size:14px;line-height:1}.Notebook-module__QuYUGa__railPreview{text-align:left;opacity:0;visibility:hidden;flex-direction:column;flex:auto;justify-content:center;gap:2px;padding:0 18px 10px;transition:opacity .16s 60ms,visibility 0s .24s;display:flex}.Notebook-module__QuYUGa__rail:hover .Notebook-module__QuYUGa__railPreview,.Notebook-module__QuYUGa__rail:focus-visible .Notebook-module__QuYUGa__railPreview{opacity:1;visibility:visible;transition:opacity .18s 60ms,visibility}.Notebook-module__QuYUGa__railPreviewTitle{color:#fff;white-space:nowrap;text-overflow:ellipsis;font-size:15px;font-weight:600;overflow:hidden}.Notebook-module__QuYUGa__railPreviewMeta{color:#ffffffb3;font-size:14px}.Notebook-module__QuYUGa__panelBackdrop{z-index:95;pointer-events:none;position:fixed;inset:0}.Notebook-module__QuYUGa__panel{width:44%;min-width:380px;max-width:760px;color:var(--bc-ink);border-left:1px solid var(--bc-rule-soft);pointer-events:auto;font-family:var(--font-ui), system-ui, sans-serif;transform-origin:100% 100%;opacity:0;background:#fff;border-top-left-radius:14px;flex-direction:column;transition:transform .48s cubic-bezier(.16,1,.3,1),opacity .32s;display:flex;position:absolute;top:70px;bottom:0;right:0;overflow:hidden;transform:scale(.18)translateY(40%);box-shadow:-12px 0 32px #16130f1a}.Notebook-module__QuYUGa__panelOpen{opacity:1;transform:none}@media (prefers-reduced-motion:reduce){.Notebook-module__QuYUGa__panel,.Notebook-module__QuYUGa__rail{transition:none}}.Notebook-module__QuYUGa__panelHeader{border-bottom:1px solid var(--bc-rule-soft);flex:none;justify-content:space-between;align-items:center;gap:12px;min-height:56px;padding:6px 12px 6px 24px;display:flex}.Notebook-module__QuYUGa__panelName{font-size:17px;font-weight:700}.Notebook-module__QuYUGa__headerBtns{gap:6px;display:flex}.Notebook-module__QuYUGa__headerBtn{border:1.5px solid var(--bc-rule-soft);border-radius:var(--bc-radius-control);min-height:40px;color:var(--bc-ink-soft);cursor:pointer;background:#fff;padding:0 12px;font-family:inherit;font-size:15px;font-weight:600}.Notebook-module__QuYUGa__headerBtn:hover{border-color:var(--bc-ink);color:var(--bc-ink)}.Notebook-module__QuYUGa__headerBtn:focus-visible{outline:2px solid var(--bc-focus);outline-offset:2px}.Notebook-module__QuYUGa__panelTitleRow{flex-direction:column;flex:none;gap:4px;padding:16px 24px 12px;display:flex}.Notebook-module__QuYUGa__panelTitleDate{color:var(--bc-muted);font-size:14px}.Notebook-module__QuYUGa__panelTitleInput{width:100%;color:var(--bc-ink);letter-spacing:-.015em;background:0 0;border:none;outline:none;padding:0;font-family:inherit;font-size:26px;font-weight:700;line-height:1.2}.Notebook-module__QuYUGa__panelTitleInput::placeholder{color:var(--bc-muted-soft);font-weight:600}.Notebook-module__QuYUGa__panelTitleInput:focus-visible{box-shadow:0 2px 0 var(--bc-focus)}.Notebook-module__QuYUGa__panelSearchRow{flex:none;padding:0 24px 12px}.Notebook-module__QuYUGa__panelSearchInput{border:1.5px solid var(--bc-rule-soft);border-radius:var(--bc-radius-control);width:100%;min-height:44px;color:var(--bc-ink);background:#fff;padding:0 12px;font-family:inherit;font-size:16px}.Notebook-module__QuYUGa__panelSearchInput::placeholder{color:var(--bc-muted-soft)}.Notebook-module__QuYUGa__panelSearchInput:focus-visible{outline:2px solid var(--bc-focus);outline-offset:1px;border-color:var(--bc-ink)}.Notebook-module__QuYUGa__panelRecents{border-top:1px solid var(--bc-rule-soft);border-bottom:1px solid var(--bc-rule-soft);background:var(--bc-cream);flex-direction:column;flex:none;display:flex}.Notebook-module__QuYUGa__panelRecentsActionRow{justify-content:space-between;align-items:center;gap:12px;padding:10px 24px 6px;display:flex}.Notebook-module__QuYUGa__panelRecentsNew{border-radius:var(--bc-radius-control);background:var(--bc-ink);color:#fff;cursor:pointer;border:none;min-height:40px;padding:0 14px;font-family:inherit;font-size:15px;font-weight:600}.Notebook-module__QuYUGa__panelRecentsNew:hover{background:#2e2a26}.Notebook-module__QuYUGa__panelRecentsNew:disabled{opacity:.55;cursor:default}.Notebook-module__QuYUGa__panelRecentsNew:focus-visible{outline:2px solid var(--bc-focus);outline-offset:2px}.Notebook-module__QuYUGa__panelRecentsViewAll{min-height:40px;color:var(--bc-ink);text-underline-offset:3px;align-items:center;font-size:15px;font-weight:600;text-decoration:underline;display:inline-flex}.Notebook-module__QuYUGa__panelRecentsList{gap:8px;height:112px;padding:4px 24px 12px;display:flex;overflow:auto hidden}.Notebook-module__QuYUGa__panelRecentCard{border:1.5px solid var(--bc-rule-soft);text-align:left;cursor:pointer;background:#fff;border-radius:10px;flex-direction:column;flex:none;gap:2px;width:190px;padding:10px 12px;display:flex;position:relative}.Notebook-module__QuYUGa__panelRecentCard:hover{border-color:#d3cdc2}.Notebook-module__QuYUGa__panelRecentCard:focus-visible{outline:2px solid var(--bc-focus);outline-offset:2px}.Notebook-module__QuYUGa__panelRecentCardActive,.Notebook-module__QuYUGa__panelRecentCardActive:hover{border-color:var(--bc-ink)}.Notebook-module__QuYUGa__panelRecentCardDelete{width:32px;height:32px;color:var(--bc-muted);cursor:pointer;background:0 0;border:none;border-radius:6px;place-items:center;padding:0;font-size:18px;line-height:1;display:grid;position:absolute;top:2px;right:2px}.Notebook-module__QuYUGa__panelRecentCardDelete:hover{color:var(--bc-down);background:#fdedec}.Notebook-module__QuYUGa__panelRecentCardDelete:focus-visible{outline:2px solid var(--bc-focus)}.Notebook-module__QuYUGa__panelRecentCardTitle{white-space:nowrap;text-overflow:ellipsis;padding-right:26px;font-size:15px;font-weight:700;overflow:hidden}.Notebook-module__QuYUGa__panelRecentCardDate{color:var(--bc-muted);font-size:14px}.Notebook-module__QuYUGa__panelRecentCardBody{color:var(--bc-ink-soft);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:14px;line-height:1.4;display:-webkit-box;overflow:hidden}.Notebook-module__QuYUGa__panelRecentConfirm{cursor:default;background:#fdedec;border-radius:9px;flex-direction:column;justify-content:center;gap:8px;padding:10px 12px;font-size:15px;font-weight:600;display:flex;position:absolute;inset:0}.Notebook-module__QuYUGa__panelRecentConfirmBtns{gap:6px;display:flex}.Notebook-module__QuYUGa__panelConfirmYes,.Notebook-module__QuYUGa__panelConfirmNo{border-radius:var(--bc-radius-control);cursor:pointer;min-height:36px;padding:0 12px;font-family:inherit;font-size:14px;font-weight:600}.Notebook-module__QuYUGa__panelConfirmYes{border:1.5px solid var(--bc-down);background:var(--bc-down);color:#fff}.Notebook-module__QuYUGa__panelConfirmNo{border:1.5px solid var(--bc-rule-soft);color:var(--bc-ink);background:#fff}.Notebook-module__QuYUGa__panelRecentEmpty{color:var(--bc-muted);flex:1;align-items:center;font-size:15px;display:flex}.Notebook-module__QuYUGa__panelEditor{color:var(--bc-ink);flex:auto;padding:24px 24px 56px;position:relative;overflow-y:auto}.Notebook-module__QuYUGa__panelEditorEmpty{color:var(--bc-muted);font-size:16px}.Notebook-module__QuYUGa__panelEditor .ProseMirror{min-height:200px;font-family:var(--font-ui), system-ui, sans-serif;color:var(--bc-ink);outline:none;font-size:17px;line-height:1.6}.Notebook-module__QuYUGa__panelEditor .ProseMirror p{margin:0 0 12px}.Notebook-module__QuYUGa__panelEditor .ProseMirror p.is-editor-empty:first-child:before{content:attr(data-placeholder);float:left;height:0;color:var(--bc-muted-soft);pointer-events:none}:is(.Notebook-module__QuYUGa__panelEditor .ProseMirror h1,.Notebook-module__QuYUGa__panelEditor .ProseMirror h2){color:var(--bc-ink);margin:24px 0 8px;font-size:20px;font-weight:700}.Notebook-module__QuYUGa__panelEditor .ProseMirror h3{margin:20px 0 6px;font-size:18px;font-weight:700}.Notebook-module__QuYUGa__panelEditor .ProseMirror strong{font-weight:700}:is(.Notebook-module__QuYUGa__panelEditor .ProseMirror ul,.Notebook-module__QuYUGa__panelEditor .ProseMirror ol){margin:0 0 12px;padding-left:22px}.Notebook-module__QuYUGa__panelEditor .ProseMirror li{margin:2px 0}.Notebook-module__QuYUGa__panelEditor .ProseMirror code{background:var(--bc-cream-warm);border-radius:4px;padding:1px 4px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:15px}.Notebook-module__QuYUGa__panelFooter{color:var(--bc-muted);pointer-events:none;font-size:14px;position:absolute;bottom:16px;right:24px}.Notebook-module__QuYUGa__panelFooterSaving{color:var(--bc-ink)}@media (max-width:720px){.Notebook-module__QuYUGa__rail{right:16px;bottom:env(safe-area-inset-bottom,0);width:160px;height:48px}.Notebook-module__QuYUGa__railTopRow{flex-basis:48px;gap:8px}.Notebook-module__QuYUGa__railShortcutDesktop,.Notebook-module__QuYUGa__railSep{display:none}.Notebook-module__QuYUGa__panel{border-left:0;border-top-left-radius:0;width:100%;min-width:0;max-width:none;top:64px}.Notebook-module__QuYUGa__panelHeader{padding-left:16px}.Notebook-module__QuYUGa__panelTitleRow,.Notebook-module__QuYUGa__panelSearchRow,.Notebook-module__QuYUGa__panelRecentsActionRow,.Notebook-module__QuYUGa__panelRecentsList{padding-left:16px;padding-right:16px}.Notebook-module__QuYUGa__panelEditor{padding:20px 16px 56px}.Notebook-module__QuYUGa__railNudge{animation:2.4s ease-in-out 3 Notebook-module__QuYUGa__notebookRailNudge}}@keyframes Notebook-module__QuYUGa__notebookRailNudge{0%,to{box-shadow:0 0 #16130f73}50%{box-shadow:0 0 0 7px #16130f00}}.Notebook-module__QuYUGa__panelFullscreen{width:100%;min-width:0;max-width:none;height:100vh;box-shadow:none;opacity:1;border:0;border-radius:0;position:relative;top:0;transform:none}