.rdp-root{--rdp-accent-color: blue;--rdp-accent-background-color: #f0f0ff;--rdp-day-height: 44px;--rdp-day-width: 44px;--rdp-day_button-border-radius: 100%;--rdp-day_button-border: 2px solid transparent;--rdp-day_button-height: 42px;--rdp-day_button-width: 42px;--rdp-selected-border: 2px solid var(--rdp-accent-color);--rdp-disabled-opacity: .5;--rdp-outside-opacity: .75;--rdp-today-color: var(--rdp-accent-color);--rdp-dropdown-gap: .5rem;--rdp-months-gap: 2rem;--rdp-nav_button-disabled-opacity: .5;--rdp-nav_button-height: 2.25rem;--rdp-nav_button-width: 2.25rem;--rdp-nav-height: 2.75rem;--rdp-range_middle-background-color: var(--rdp-accent-background-color);--rdp-range_middle-color: inherit;--rdp-range_start-color: white;--rdp-range_start-background: linear-gradient( var(--rdp-gradient-direction), transparent 50%, var(--rdp-range_middle-background-color) 50% );--rdp-range_start-date-background-color: var(--rdp-accent-color);--rdp-range_end-background: linear-gradient( var(--rdp-gradient-direction), var(--rdp-range_middle-background-color) 50%, transparent 50% );--rdp-range_end-color: white;--rdp-range_end-date-background-color: var(--rdp-accent-color);--rdp-week_number-border-radius: 100%;--rdp-week_number-border: 2px solid transparent;--rdp-week_number-height: var(--rdp-day-height);--rdp-week_number-opacity: .75;--rdp-week_number-width: var(--rdp-day-width);--rdp-weeknumber-text-align: center;--rdp-weekday-opacity: .75;--rdp-weekday-padding: .5rem 0rem;--rdp-weekday-text-align: center;--rdp-gradient-direction: 90deg;--rdp-animation_duration: .3s;--rdp-animation_timing: cubic-bezier(.4, 0, .2, 1)}.rdp-root[dir=rtl]{--rdp-gradient-direction: -90deg}.rdp-root[data-broadcast-calendar=true]{--rdp-outside-opacity: unset}.rdp-root{position:relative;box-sizing:border-box}.rdp-root *{box-sizing:border-box}.rdp-day{width:var(--rdp-day-width);height:var(--rdp-day-height);text-align:center}.rdp-day_button{background:none;padding:0;margin:0;cursor:pointer;font:inherit;color:inherit;justify-content:center;align-items:center;display:flex;width:var(--rdp-day_button-width);height:var(--rdp-day_button-height);border:var(--rdp-day_button-border);border-radius:var(--rdp-day_button-border-radius)}.rdp-day_button:disabled{cursor:revert}.rdp-caption_label{z-index:1;position:relative;display:inline-flex;align-items:center;white-space:nowrap;border:0}.rdp-dropdown:focus-visible~.rdp-caption_label{outline:5px auto Highlight;outline:5px auto -webkit-focus-ring-color}.rdp-button_next,.rdp-button_previous{border:none;background:none;padding:0;margin:0;cursor:pointer;font:inherit;color:inherit;-moz-appearance:none;-webkit-appearance:none;display:inline-flex;align-items:center;justify-content:center;position:relative;appearance:none;width:var(--rdp-nav_button-width);height:var(--rdp-nav_button-height)}.rdp-button_next:disabled,.rdp-button_next[aria-disabled=true],.rdp-button_previous:disabled,.rdp-button_previous[aria-disabled=true]{cursor:revert;opacity:var(--rdp-nav_button-disabled-opacity)}.rdp-chevron{display:inline-block;fill:var(--rdp-accent-color)}.rdp-root[dir=rtl] .rdp-nav .rdp-chevron{transform:rotate(180deg);transform-origin:50%}.rdp-dropdowns{position:relative;display:inline-flex;align-items:center;gap:var(--rdp-dropdown-gap)}.rdp-dropdown{z-index:2;opacity:0;appearance:none;position:absolute;inset-block-start:0;inset-block-end:0;inset-inline-start:0;width:100%;margin:0;padding:0;cursor:inherit;border:none;line-height:inherit}.rdp-dropdown_root{position:relative;display:inline-flex;align-items:center}.rdp-dropdown_root[data-disabled=true] .rdp-chevron{opacity:var(--rdp-disabled-opacity)}.rdp-month_caption{display:flex;align-content:center;height:var(--rdp-nav-height);font-weight:700;font-size:large}.rdp-root[data-nav-layout=around] .rdp-month,.rdp-root[data-nav-layout=after] .rdp-month{position:relative}.rdp-root[data-nav-layout=around] .rdp-month_caption{justify-content:center;margin-inline-start:var(--rdp-nav_button-width);margin-inline-end:var(--rdp-nav_button-width);position:relative}.rdp-root[data-nav-layout=around] .rdp-button_previous{position:absolute;inset-inline-start:0;top:0;height:var(--rdp-nav-height);display:inline-flex}.rdp-root[data-nav-layout=around] .rdp-button_next{position:absolute;inset-inline-end:0;top:0;height:var(--rdp-nav-height);display:inline-flex;justify-content:center}.rdp-months{position:relative;display:flex;flex-wrap:wrap;gap:var(--rdp-months-gap);max-width:fit-content}.rdp-month_grid{border-collapse:collapse}.rdp-nav{position:absolute;inset-block-start:0;inset-inline-end:0;display:flex;align-items:center;height:var(--rdp-nav-height)}.rdp-weekday{opacity:var(--rdp-weekday-opacity);padding:var(--rdp-weekday-padding);font-weight:500;font-size:smaller;text-align:var(--rdp-weekday-text-align);text-transform:var(--rdp-weekday-text-transform)}.rdp-week_number{opacity:var(--rdp-week_number-opacity);font-weight:400;font-size:small;height:var(--rdp-week_number-height);width:var(--rdp-week_number-width);border:var(--rdp-week_number-border);border-radius:var(--rdp-week_number-border-radius);text-align:var(--rdp-weeknumber-text-align)}.rdp-today:not(.rdp-outside){color:var(--rdp-today-color)}.rdp-selected{font-weight:700;font-size:large}.rdp-selected .rdp-day_button{border:var(--rdp-selected-border)}.rdp-outside{opacity:var(--rdp-outside-opacity)}.rdp-disabled:not(.rdp-selected){opacity:var(--rdp-disabled-opacity)}.rdp-hidden{visibility:hidden;color:var(--rdp-range_start-color)}.rdp-range_start{background:var(--rdp-range_start-background)}.rdp-range_start .rdp-day_button{background-color:var(--rdp-range_start-date-background-color);color:var(--rdp-range_start-color)}.rdp-range_middle{background-color:var(--rdp-range_middle-background-color)}.rdp-range_middle .rdp-day_button{border:unset;border-radius:unset;color:var(--rdp-range_middle-color)}.rdp-range_end{background:var(--rdp-range_end-background);color:var(--rdp-range_end-color)}.rdp-range_end .rdp-day_button{color:var(--rdp-range_start-color);background-color:var(--rdp-range_end-date-background-color)}.rdp-range_start.rdp-range_end{background:revert}.rdp-focusable{cursor:pointer}@keyframes rdp-slide_in_left{0%{transform:translate(-100%)}to{transform:translate(0)}}@keyframes rdp-slide_in_right{0%{transform:translate(100%)}to{transform:translate(0)}}@keyframes rdp-slide_out_left{0%{transform:translate(0)}to{transform:translate(-100%)}}@keyframes rdp-slide_out_right{0%{transform:translate(0)}to{transform:translate(100%)}}.rdp-weeks_before_enter{animation:rdp-slide_in_left var(--rdp-animation_duration) var(--rdp-animation_timing) forwards}.rdp-weeks_before_exit{animation:rdp-slide_out_left var(--rdp-animation_duration) var(--rdp-animation_timing) forwards}.rdp-weeks_after_enter{animation:rdp-slide_in_right var(--rdp-animation_duration) var(--rdp-animation_timing) forwards}.rdp-weeks_after_exit{animation:rdp-slide_out_right var(--rdp-animation_duration) var(--rdp-animation_timing) forwards}.rdp-root[dir=rtl] .rdp-weeks_after_enter{animation:rdp-slide_in_left var(--rdp-animation_duration) var(--rdp-animation_timing) forwards}.rdp-root[dir=rtl] .rdp-weeks_before_exit{animation:rdp-slide_out_right var(--rdp-animation_duration) var(--rdp-animation_timing) forwards}.rdp-root[dir=rtl] .rdp-weeks_before_enter{animation:rdp-slide_in_right var(--rdp-animation_duration) var(--rdp-animation_timing) forwards}.rdp-root[dir=rtl] .rdp-weeks_after_exit{animation:rdp-slide_out_left var(--rdp-animation_duration) var(--rdp-animation_timing) forwards}@keyframes rdp-fade_in{0%{opacity:0}to{opacity:1}}@keyframes rdp-fade_out{0%{opacity:1}to{opacity:0}}.rdp-caption_after_enter{animation:rdp-fade_in var(--rdp-animation_duration) var(--rdp-animation_timing) forwards}.rdp-caption_after_exit{animation:rdp-fade_out var(--rdp-animation_duration) var(--rdp-animation_timing) forwards}.rdp-caption_before_enter{animation:rdp-fade_in var(--rdp-animation_duration) var(--rdp-animation_timing) forwards}.rdp-caption_before_exit{animation:rdp-fade_out var(--rdp-animation_duration) var(--rdp-animation_timing) forwards}._page_z9t4a_1{--problems-nav-offset: 50px;--problems-content-top-padding: 56px;--lc-bg: #1a1a1a;--lc-layer-1: #282828;--lc-layer-2: #262626;--lc-layer-3: #2f2f2f;--lc-surface-soft: rgba(255, 255, 255, .08);--lc-surface-subtle: rgba(255, 255, 255, .06);--lc-border: rgba(255, 255, 255, .1);--lc-border-strong: rgba(255, 255, 255, .14);--lc-text-primary: #f5f5f5;--lc-text-secondary: rgba(255, 255, 255, .6);--lc-text-muted: #a8a8a8;min-height:100vh;background:var(--lc-bg);color:var(--lc-text-primary);display:flow-root}._workspace_z9t4a_21{width:100%;max-width:none;margin:0;display:grid;grid-template-columns:240px minmax(0,1fr) 304px;gap:0}._leftRail_z9t4a_30{border-right:0;padding:24px 12px 16px;background:transparent;position:sticky;top:var(--problems-nav-offset);align-self:start}._leftRail_z9t4a_30 ul{list-style:none;margin:0;padding:0;display:grid;gap:4px}._leftRail_z9t4a_30 li{min-height:40px;border-radius:5px;display:flex;align-items:center}._activeRail_z9t4a_54{background:var(--lc-surface-soft)}._railLink_z9t4a_58{width:100%;min-height:40px;border-radius:inherit;color:var(--lc-text-primary);text-decoration:none;display:inline-flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 0 8px 6px;font-size:17px;line-height:25px;font-weight:600}._railLink_z9t4a_58:hover{background:var(--lc-surface-soft)}._railMain_z9t4a_78{display:inline-flex;align-items:center;gap:10px;min-width:0}._railIcon_z9t4a_85{flex:0 0 auto;color:#f5f5f5;opacity:.88}._railMetaTag_z9t4a_91{min-height:18px;border-radius:999px;background:#007bff;color:#fff;font-size:12px;line-height:16px;font-weight:500;padding:1px 10px;display:inline-flex;align-items:center}._signinCard_z9t4a_104{margin-top:16px;border-top:1px solid var(--lc-border);padding-top:16px;display:grid;gap:16px;justify-items:center;text-align:center}._signinCard_z9t4a_104 p{margin:0;color:var(--lc-text-muted);font-size:16px;line-height:24px;max-width:210px}._signinCard_z9t4a_104 a{width:fit-content;min-height:40px;border-radius:999px;background:#f5f5f5;color:#1a1a1a;text-decoration:none;font-size:16px;font-weight:500;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;gap:10px}._signinIcon_z9t4a_138{flex:0 0 auto}._centerRail_z9t4a_142{padding:var(--problems-content-top-padding) 24px 24px;display:grid;align-content:start;border-left:1px solid rgba(255,255,255,.12)}._cardsCarousel_z9t4a_149{position:relative}._cardsNav_z9t4a_153{position:absolute;top:50%;transform:translateY(-50%);width:32px;height:32px;border-radius:8px;border:0;background:color-mix(in srgb,var(--lc-surface-soft) 78%,rgba(0,0,0,.2));color:var(--lc-text-secondary);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;z-index:3;opacity:0;pointer-events:none;transition:background-color .2s ease,color .2s ease,opacity .2s ease,transform .2s ease}._cardsNavPrev_z9t4a_177{left:8px}._cardsNavNext_z9t4a_181{right:8px}._cardsCarousel_z9t4a_149:hover ._cardsNav_z9t4a_153,._cardsCarousel_z9t4a_149:focus-within ._cardsNav_z9t4a_153{opacity:1;pointer-events:auto}._cardsNav_z9t4a_153:hover{background:#ffffff24;color:var(--lc-text-primary);transform:translateY(-50%) scale(1.05)}._cardsRow_z9t4a_197{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;scroll-snap-type:x mandatory;scroll-behavior:smooth;scroll-padding-inline:4px;padding:2px}._cardsRow_z9t4a_197::-webkit-scrollbar{display:none}._cardsCarousel_z9t4a_149[data-overflow=false] ._cardsRow_z9t4a_197{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;overflow:visible;scroll-snap-type:none;scroll-behavior:auto;scroll-padding-inline:0;padding:0}._promoCard_z9t4a_223{flex:0 0 clamp(208px,23vw,246px);min-height:108px;border-radius:10px;border:1px solid var(--lc-border-strong);padding:10px 12px;display:grid;align-content:start;gap:4px;overflow:hidden;position:relative;scroll-snap-align:start}._cardsCarousel_z9t4a_149[data-overflow=false] ._promoCard_z9t4a_223{flex:1 1 0;min-width:0;min-height:132px;padding:12px 14px;gap:5px}._promoCard_z9t4a_223:before,._promoCard_z9t4a_223:after{content:"";position:absolute;pointer-events:none}._promoCard_z9t4a_223:before{width:160px;height:160px;border-radius:18px;right:-58px;top:-54px;border:1px solid rgba(255,255,255,.16);transform:rotate(16deg)}._promoCard_z9t4a_223:after{width:220px;height:120px;right:-82px;bottom:-48px;border-radius:999px;background:radial-gradient(circle at left center,rgba(255,255,255,.22),transparent 70%)}._promoCardQuest_z9t4a_271{background:radial-gradient(circle at 12% 14%,rgba(255,255,255,.34),transparent 38%),linear-gradient(140deg,#dce6e6,#bec7ce)}._promoCardQuest_z9t4a_271 ._promoTitle_z9t4a_277{color:#181818}._promoCardQuest_z9t4a_271 ._promoBody_z9t4a_281{color:#4a4a4a}._promoCardPlaywright_z9t4a_285{background:radial-gradient(circle at 88% 12%,rgba(255,255,255,.2),transparent 34%),linear-gradient(132deg,#3568ea,#4e6fff)}._promoCardCommunity_z9t4a_291{background:radial-gradient(circle at 86% 16%,rgba(255,255,255,.16),transparent 36%),radial-gradient(circle at 8% 100%,rgba(34,197,94,.22),transparent 42%),linear-gradient(132deg,#141d2b,#0d141f)}._promoCardCommunity_z9t4a_291 ._promoTitle_z9t4a_277{font-size:18px;line-height:19px}._promoCardCommunity_z9t4a_291 ._promoBody_z9t4a_281{font-size:11px;line-height:14px;max-width:100%}._promoBadge_z9t4a_309{width:fit-content;min-height:20px;border-radius:999px;background:#ffffffdb;color:#5f6e83;font-size:11px;font-weight:600;line-height:14px;letter-spacing:.08em;text-transform:uppercase;padding:3px 9px;display:inline-flex;align-items:center;position:relative;z-index:1}._cardsCarousel_z9t4a_149[data-overflow=false] ._promoBadge_z9t4a_309{min-height:22px;font-size:12px;line-height:16px;padding:3px 10px}._promoTitle_z9t4a_277{margin:2px 0 0;font-size:20px;line-height:20px;font-weight:600;color:#f5f5f5;position:relative;z-index:1}._cardsCarousel_z9t4a_149[data-overflow=false] ._promoTitle_z9t4a_277{font-size:24px;line-height:22px}._promoBody_z9t4a_281{margin:0;color:#ffffffe6;font-size:12px;line-height:15px;max-width:100%;position:relative;z-index:1}._cardsCarousel_z9t4a_149[data-overflow=false] ._promoBody_z9t4a_281{font-size:14px;line-height:18px}._promoAction_z9t4a_364{margin-top:4px;min-height:30px;width:fit-content;border-radius:999px;border:0;background:#111827;color:#fff;text-decoration:none;font-size:13px;font-weight:500;font-family:inherit;padding:0 12px;display:inline-flex;align-items:center;cursor:pointer;position:relative;z-index:1}._cardsCarousel_z9t4a_149[data-overflow=false] ._promoAction_z9t4a_364{min-height:34px;font-size:14px;padding:0 14px}._promoActionMuted_z9t4a_390{background:#f5f5f5;color:#3556bd}._waitlistAction_z9t4a_395{box-shadow:0 1px 2px #0f172a29,0 8px 14px #0f172a1f}._waitlistAction_z9t4a_395:hover{transform:translateY(-1px);box-shadow:0 2px 6px #0f172a33,0 12px 20px #0f172a29}._socialIcons_z9t4a_408{margin-top:6px;display:flex;align-items:center;gap:7px;position:relative;z-index:1}._cardsCarousel_z9t4a_149[data-overflow=false] ._socialIcons_z9t4a_408{margin-top:8px;gap:9px}._socialContainer_z9t4a_422{width:30px;height:30px;border-radius:8px;border:1px solid rgba(255,255,255,.22);background:#0f172a94;color:#fff;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;transition:transform .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease}._cardsCarousel_z9t4a_149[data-overflow=false] ._socialContainer_z9t4a_422{width:34px;height:34px;border-radius:10px}._socialContainer_z9t4a_422:active{transform:scale(.92)}._socialSvg_z9t4a_450{width:14px;height:14px}._cardsCarousel_z9t4a_149[data-overflow=false] ._socialSvg_z9t4a_450{width:16px;height:16px}._containerOne_z9t4a_460:hover{background-color:#229ed9;border-color:#ffffff5c;box-shadow:0 7px 16px #229ed952}._containerTwo_z9t4a_466:hover{background-color:#5865f2;border-color:#ffffff5c;box-shadow:0 7px 16px #5865f252}._containerThree_z9t4a_472:hover{background-color:#0072b1;border-color:#ffffff5c;box-shadow:0 7px 16px #0072b152}._containerFour_z9t4a_478:hover{background-color:#128c7e;border-color:#ffffff5c;box-shadow:0 7px 16px #128c7e52}._socialContainer_z9t4a_422:hover ._socialSvg_z9t4a_450{animation:_social-slide-in_z9t4a_1 .22s both}@keyframes 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9px}._topicItem_z9t4a_518+._topicItem_z9t4a_518{margin-left:30px}._topicItem_z9t4a_518:hover,._topicItem_z9t4a_518:focus-visible,._topicItem_z9t4a_518[data-active=true]{color:#f5f5f5}._topicItem_z9t4a_518:hover strong,._topicItem_z9t4a_518:focus-visible strong,._topicItem_z9t4a_518[data-active=true] strong{background:#ffffff29;color:#cfcfcf}._filterChipRow_z9t4a_576{margin-top:16px;margin-bottom:16px;padding-bottom:16px;border-bottom:1px solid var(--lc-border);display:flex;align-items:center;gap:16px;overflow-x:auto;scrollbar-width:none}._filterChipRow_z9t4a_576::-webkit-scrollbar{display:none}._filterChip_z9t4a_576{min-height:40px;border-radius:999px;border:0;background:var(--lc-surface-soft);color:var(--lc-text-secondary);padding:10px 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