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* Font Awesome Free 6.5.2 by @fontawesome - https://fontawesome.com
* License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License)
* Copyright 2024 Fonticons, Inc.
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0px))}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}body{margin:0;background:var(--canvas);color:var(--ink);font-family:var(--font);font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;-webkit-text-size-adjust:100%;text-size-adjust:100%;padding-top:var(--safe-t)}body:before{content:"";position:fixed;inset-inline:0;top:0;z-index:29;height:var(--safe-t);background:var(--surface)}::selection{background:var(--accent-soft)}.sidebar :focus-visible{outline-color:var(--rail-fg)}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation:none!important;transition:none!important}}@keyframes draw-tick{0%{stroke-dashoffset:30}to{stroke-dashoffset:0}}@keyframes rise{0%{opacity:0;transform:translateY(10px)}}.rise{animation:rise .5s var(--e-out) both;animation-delay:calc(min(var(--i, 0),7)*55ms)}@keyframes skel-sweep{0%{background-position:200% 0}to{background-position:-200% 0}}.skel{display:inline-block;vertical-align:middle;height:13px;max-width:100%;border-radius:var(--r-s);background:linear-gradient(90deg,var(--line) 0 40%,var(--line-2) 50%,var(--line) 60% 100%);background-size:200% 100%;animation:skel-sweep 1.4s linear infinite}@media (prefers-reduced-motion: reduce){.skel{background:var(--line)}}.skel-lines{display:grid;gap:10px}.sidebar .skel{background:linear-gradient(90deg,var(--rail-hover) 0 40%,var(--rail-active) 50%,var(--rail-hover) 60% 100%);background-size:200% 100%}@media (prefers-reduced-motion: reduce){.sidebar .skel{background:var(--rail-hover)}}.verdict-mark{flex:none;width:1.4rem;height:1.4rem;display:block}.verdict-mark svg{width:100%;height:100%;overflow:visible}.verdict-mark circle{fill:none;stroke-width:2.4}.verdict-mark path{fill:none;stroke-width:3.6;stroke-linecap:round;stroke-linejoin:round}.verdict-mark.ok circle{stroke:var(--green-edge)}.verdict-mark.ok path{stroke:var(--green)}.verdict-mark.err circle{stroke:var(--red-edge)}.verdict-mark.err path{stroke:var(--red)}.shell{min-height:calc(100dvh / var(--zoom) - var(--safe-t))}.shell-main{margin-inline-start:var(--sidebar-w);min-height:calc(100dvh / var(--zoom) - var(--safe-t))}.sidebar{position:fixed;top:var(--safe-t);inset-inline-start:0;bottom:0;width:var(--sidebar-w);z-index:20;display:flex;flex-direction:column;background:var(--rail-bg);color:var(--rail-fg-2);border-inline-end:1px dotted var(--ink)}.sidebar-head{height:64px;flex:none;box-sizing:border-box;display:flex;align-items:center;gap:2px;padding-block:0;padding-inline:16px 10px}.rail-icon{display:inline-grid;place-items:center;flex:none;width:30px;height:30px;padding:0;background:none;border:none;border-radius:var(--r-m);color:var(--rail-fg-3);cursor:pointer}.rail-icon:hover,.rail-icon[aria-expanded=true]{background:var(--rail-hover);color:var(--rail-fg)}.rail-icon .hb-ic{width:20px;height:20px}.sidebar:not(.narrow) .sidebar-head .rail-icon{color:var(--rail-fg-4)}.sidebar:not(.narrow) .sidebar-head .rail-icon:hover,.sidebar:not(.narrow) .sidebar-head .rail-icon[aria-expanded=true]{color:var(--rail-fg)}.sidebar-brand{display:flex;align-items:center;min-width:0;margin-inline-end:auto;text-decoration:none;color:inherit}.sidebar-logo{width:22px;height:16px;flex:none;background:var(--rail-fg);-webkit-mask:url(/logo.svg) center / contain no-repeat;mask:url(/logo.svg) center / contain no-repeat}.sidebar-wordmark{font-size:17px;letter-spacing:.01em;color:var(--rail-fg);font-weight:650;white-space:nowrap}.sidebar.narrow{width:var(--sidebar-narrow)}.shell:has(.sidebar.narrow) .shell-main{margin-inline-start:var(--sidebar-narrow)}.sidebar.narrow .sidebar-head{height:auto;flex-direction:column;gap:2px;padding:12px 0 10px;align-items:center;border-bottom:1px dotted var(--rail-edge)}.sidebar.narrow .sidebar-help{padding-top:10px}.rail-expand{position:relative}.rail-expand .sidebar-logo,.rail-expand .rail-expand-ic{transition:opacity var(--t1) var(--ease)}.rail-expand .rail-expand-ic{position:absolute;opacity:0}.rail-expand:hover .sidebar-logo,.rail-expand:focus-visible .sidebar-logo{opacity:0}.rail-expand:hover .rail-expand-ic,.rail-expand:focus-visible .rail-expand-ic{opacity:1}.sidebar.narrow .sidebar-foot{padding:12px 0;justify-content:center}.sidebar.narrow .sidebar-account{flex:none}.sidebar.narrow .user-ident,.sidebar.narrow .sidebar-login>span:nth-child(2),.sidebar.narrow .sidebar-login>i,.sidebar.narrow .foot-settings span{display:none}.sidebar.narrow :is(.rail-btn,.sidebar-user,.sidebar-login,.foot-settings){justify-content:center;padding-inline:0}.sidebar.narrow .rail-btn{font-size:0;gap:0}.sidebar.narrow .rail-btn .cs,.sidebar.narrow .rail-btn .hb-ic{font-size:13px}.sidebar-nav{padding-top:32px;flex:1;min-height:0;display:flex;flex-direction:column;position:relative}.nav-list{flex:1;min-height:0;overflow-y:auto;padding-bottom:14px;scrollbar-width:none}.nav-list::-webkit-scrollbar{display:none}.nav-thumb{position:absolute;inset-inline-end:4px;top:var(--thumb-t, 0);height:var(--thumb-h, 0);width:3px;border-radius:999px;background:var(--rail-thumb);pointer-events:none;transition:background var(--t1) var(--e-out)}.sidebar:hover .nav-thumb{background:var(--rail-fg-3)}.nav-key{--key-bg: var(--ink);--key-fg: var(--cream);--water-hi: var(--water-hi-on-ink);--water-lo: var(--navy-2);position:relative;display:flex;align-items:stretch;overflow:hidden;z-index:0;margin:2px 12px 18px;background:var(--key-bg);color:var(--key-fg);border:1px solid var(--key-bg);border-radius:999px;transition:transform var(--t2) var(--e-out),box-shadow var(--t2) var(--e-out)}@media (hover: hover){.nav-key:not(:active):has(.nav-key-go:hover:not(:disabled)){transform:translateY(-1px);box-shadow:var(--sh-2)}}.nav-key:has(.nav-key-go:active:not(:disabled)){transform:scale(.985);box-shadow:none}.nav-key-go{position:relative;overflow:hidden;background:none;border:0;color:inherit;font:inherit;text-decoration:none;border-radius:0;cursor:pointer;transition:color var(--t1) var(--ease)}.nav-key:after{content:"";position:absolute;top:-1px;right:-1px;bottom:-1px;left:-1px;z-index:-2;border-radius:inherit;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='8' viewBox='0 0 28 8'%3E%3Cpath d='M0 5Q7 2 14 5T28 5' fill='none' stroke='rgba(255,255,255,.5)' stroke-width='1.2'/%3E%3C/svg%3E") repeat-x 0 0 / 28px 8px,linear-gradient(180deg,var(--water-hi) 0,var(--water-hi) 5px,var(--water-lo) 26px) no-repeat 0 4px / 100% 100%;translate:0 103%;transition:translate .5s var(--e-out)}.nav-key:before{content:"";position:absolute;top:30%;right:-1px;bottom:-1px;left:-1px;z-index:-1;border-radius:inherit;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='37' height='41'%3E%3Ccircle cx='9' cy='14' r='1.4' fill='rgba(255,255,255,.32)'/%3E%3Ccircle cx='26' cy='31' r='1' fill='rgba(255,255,255,.26)'/%3E%3C/svg%3E") repeat 0 0 / 37px 41px,url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='53' height='47'%3E%3Ccircle cx='17' cy='9' r='1.1' fill='rgba(255,255,255,.28)'/%3E%3Ccircle cx='41' cy='36' r='1.6' fill='rgba(255,255,255,.2)'/%3E%3C/svg%3E") repeat 0 0 / 53px 47px;opacity:0;transition:opacity .3s ease .22s}@media (hover: hover){.nav-key:has(.nav-key-go:hover:not(:disabled)):after{translate:0 0;animation:water-live 2.4s linear infinite,water-bob 3s ease-in-out .55s infinite}.nav-key:has(.nav-key-go:hover:not(:disabled)):before{opacity:1;animation:bubbles-rise 2.6s linear infinite}}.nav-key:has(.nav-key-go:active:not(:disabled)):after{translate:0 0;transition-duration:.3s;animation:water-live 2.4s linear infinite}.nav-key-go:hover:not(:disabled){background:none;color:inherit}.nav-key-go,.nav-key-wait{flex:1;min-width:0;display:flex;align-items:center;justify-content:center;gap:.5rem;padding-block:10px;padding-inline:12px 26px;min-height:calc(1lh + 20px);font-size:13.5px;font-weight:600}.nav-key-go:not(:has(.nav-key-cap)){padding-inline-end:12px}.nav-key-go:has(.nav-key-beckon){padding-inline-end:calc(13px + 3.4em)}@media (max-width: 640px){.nav-key-label{max-width:12rem}}.nav-key-go i{font-size:11px}.nav-key .nav-key-go:disabled{background:none}.nav-key .nav-key-go:disabled{color:color-mix(in srgb,var(--key-fg) 55%,transparent);cursor:not-allowed}.nav-key-cap{position:absolute;inset-inline-end:13px;top:50%;translate:0 -50%;display:grid;place-items:center;transition:translate var(--t1) var(--ease)}.nav-key-cap i{font-size:10px}.nav-key-go:hover:not(:disabled) .nav-key-cap{translate:2px -50%}[dir=rtl] .nav-key-go:hover:not(:disabled) .nav-key-cap{translate:-2px -50%}.nav-key-face i{transition:transform var(--t2) var(--e-out)}.nav-key-face i:not(.fa-spinner),.nav-key-face .hb-ic{animation:ic-pop .5s var(--e-out)}.nav-key-go:hover:not(:disabled) .nav-key-face i:not(.fa-plus){transform:translateY(-1px) scale(1.08)}.nav-key-go:hover:not(:disabled) .nav-key-face .fa-plus{transform:rotate(90deg)}.nav-key-live{position:relative;display:inline-flex;min-width:0}.nav-key-face{display:inline-flex;align-items:center;gap:.5rem;min-width:0;animation:key-face var(--t2) var(--ease)}.nav-key-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.nav-key-box{display:flex;min-width:0}@keyframes key-face{0%{opacity:0;transform:translateY(3px)}to{opacity:1;transform:none}}.nav-key .skel{background:linear-gradient(90deg,color-mix(in srgb,var(--key-fg) 20%,transparent) 0,color-mix(in srgb,var(--key-fg) 20%,transparent) 40%,color-mix(in srgb,var(--key-fg) 40%,transparent),color-mix(in srgb,var(--key-fg) 20%,transparent) 60%,color-mix(in srgb,var(--key-fg) 20%,transparent));background-size:200% 100%;height:9px}@media (prefers-reduced-motion: reduce){.nav-key .skel{background:color-mix(in srgb,var(--key-fg) 28%,transparent)}}.sidebar .nav-key{margin-top:44px;margin-bottom:50px}.topbar-key{display:inline-flex;min-width:0;max-width:100%}.key-float{position:sticky;top:calc(var(--safe-t) + var(--note-h, 0px));z-index:16;height:0;display:flex;justify-content:flex-end;align-items:flex-start}.key-float .topbar-key{margin:var(--key-top) calc(var(--band-inset) + var(--key-inset));border-radius:999px;box-shadow:0 0 0 5px var(--surface),var(--sh-3)}.topbar.has-key .topbar-text{min-width:calc(var(--key-w) + var(--key-inset))}.topbar-end{grid-column:-2;grid-row:1;justify-self:end;display:flex;align-items:center;gap:12px;min-width:0}.topbar.has-key .topbar-end{margin-inline-end:calc(var(--key-w) + var(--key-inset) + 12px);min-height:calc(var(--key-h) - var(--key-top))}.topbar.has-key .topbar-row{align-items:start;padding-top:var(--key-top)}.topbar-key .nav-key{margin:0}.topbar-key .nav-key-go{flex:1}.topbar-key :is(.nav-key-go,.nav-key-wait){padding-block:12px;min-height:calc(1lh + 24px);padding-inline-start:16px;font-size:15px}.topbar-key .nav-key-go:not(:has(.nav-key-cap)){padding-inline-end:16px}.topbar-exam{margin:0;min-width:0;max-width:24rem;font-size:13px;line-height:1.3;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sidebar-help{position:relative;padding:0 0 6px}.rail-btn{display:flex;width:100%;align-items:center;gap:12px;background:none;border:none;border-radius:0;padding:6px 17px;color:var(--rail-fg-2);font-size:14px;font-weight:400}.rail-btn:hover,.rail-btn[aria-expanded=true]{background:var(--rail-hover);color:var(--rail-fg)}.rail-btn .cs,.rail-btn i{width:20px;height:20px;font-size:16px;color:var(--rail-fg-3)}.rail-btn:hover i,.rail-btn[aria-expanded=true] i{color:var(--rail-fg-2)}.status-waiting{display:grid;align-content:center;min-height:20px}.nav-waiting{display:grid;gap:20px;padding:14px 22px}.nav-hd{font-size:13px;font-weight:650;text-transform:uppercase;letter-spacing:.07em;line-height:1.3}.nav-hd{position:relative;display:flex;align-items:center;gap:6px;color:var(--rail-fg-3);margin:0;padding:0 8px 8px;padding-inline:20px 14px;white-space:nowrap;border-bottom:1px dotted var(--line-2)}.nav-hd h2{margin:0;font:inherit;color:inherit}.nav-hd:has(.study-plan-switch){padding-bottom:24px}.nav-hd-menu{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:none;padding:0;margin-inline-start:auto;width:20px;height:18px;border-radius:var(--r-s);color:var(--rail-fg-3);font-size:12px;cursor:pointer;opacity:0;transition:opacity var(--t1) var(--e-out),color var(--t1) var(--e-out)}.sidebar-nav:hover .nav-hd-menu,.nav-hd-menu:focus-visible,.nav-hd-menu[aria-expanded=true]{opacity:1}@media (hover: none){.nav-hd-menu{opacity:1}}.nav-hd-menu:hover{background:none;color:var(--rail-fg)}.nav-menu{position:absolute;inset-inline-end:14px;top:100%;z-index:30;min-width:180px;padding:5px;border-radius:var(--r-l);background:var(--surface);border:1px solid var(--edge);box-shadow:var(--sh-3)}.nav-menu button{display:flex;align-items:center;gap:8px;width:100%;padding:7px 9px;border:0;border-radius:var(--r-m);background:none;font:inherit;font-size:13px;text-transform:none;letter-spacing:0;color:var(--ink);text-align:start;cursor:pointer;transition:background var(--t1) var(--e-out)}.nav-menu button:hover{background:var(--fill)}.nav-menu button.on{color:var(--accent-deep);font-weight:600}.nav-menu i{width:12px;font-size:10px}.nav-menu i.hidden{visibility:hidden}.nav-link{display:flex;align-items:center;gap:12px;padding:9px 22px 9px 19px;padding-inline:19px 22px;color:var(--rail-fg-2);font-size:14px;border-inline-start:3px solid transparent;text-decoration:none;cursor:pointer}.nav-link i,.nav-ic{width:18px;text-align:center;color:inherit;opacity:.65;font-size:14px;flex:none;transition:transform var(--t1) var(--e-out),opacity var(--t1) var(--e-out)}.nav-link:hover i,.nav-link:hover .nav-ic{opacity:1;transform:translateY(-1px) scale(1.09)}.nav-link .fa-gear{transition:transform .6s var(--e-out),opacity var(--t1) var(--e-out)}.nav-link:hover .fa-gear{transform:translateY(-1px) scale(1.09) rotate(180deg)}.nav-link:active .fa-gear{transform:scale(.94) rotate(180deg)}@keyframes ic-pop{0%{transform:none}35%{transform:translateY(-4px) scale(1.16)}70%{transform:translateY(1px) scale(.97)}to{transform:none}}@keyframes ic-bars{0%{transform:scaleY(.35)}55%{transform:scaleY(1.22)}to{transform:scaleY(1)}}@keyframes ic-write{0%,to{transform:none}25%{transform:rotate(-16deg) translate(-1px,1px)}60%{transform:rotate(11deg) translate(1px,-1px)}}@keyframes ic-lift{0%{transform:none}45%{transform:translate(3px,-5px) rotate(-12deg)}to{transform:none}}.ic-pop{animation:ic-pop .5s var(--e-out)}.ic-bars{animation:ic-bars .55s var(--e-out);transform-origin:bottom}.ic-write{animation:ic-write .5s var(--e-io)}.ic-lift{animation:ic-lift .55s var(--e-out)}.hb-ic{width:17px;height:17px;display:inline-block;vertical-align:-3px;flex:none}.nav-link .hb-ic,.nav-ic .hb-ic{vertical-align:middle}.nav-link.sub .hb-ic{width:16px;height:16px}.nav-key-face .hb-ic{width:15px;height:15px}.hb-ic,.hb-ic .wd-stick,.hb-ic .wd-sp,.hb-ic .fl-cloth,.hb-ic .cam-pupil{transition:transform .32s var(--e-out)}.hb-ic .wd-stick{transform-origin:20% 85%}.hb-ic .wd-sp,.hb-ic .fl-cloth,.hb-ic .cam-pupil{transform-box:fill-box;transform-origin:center}.hb-ic .fl-cloth{transform-origin:left center}:is(.nav-link,.btn,.ghost,.nav-key-go,.rail-btn,.result-row):hover .hb-helm{transform:rotate(55deg)}:is(.nav-link,.btn,.ghost,.nav-key-go,.rail-btn,.result-row):hover .hb-plus{transform:rotate(90deg)}:is(.nav-link,.btn,.ghost,.nav-key-go,.rail-btn,.result-row):hover .hb-paper{transform:translateY(-1.4px) rotate(2.5deg)}:is(.nav-link,.btn,.ghost,.nav-key-go,.rail-btn,.result-row):hover .hb-criteria{transform:translate(1.6px)}:is(.nav-link,.btn,.ghost,.nav-key-go,.rail-btn,.result-row):hover .hb-tide{transform-origin:25% 80%;transform:scale(1.09)}[dir=rtl] :is(.nav-link,.btn,.ghost,.nav-key-go,.rail-btn,.result-row):hover .hb-criteria{transform:translate(-1.6px)}:is(.nav-link,.btn,.ghost,.nav-key-go,.rail-btn,.result-row):active .hb-ic{transform:scale(.88)}.hb-ic .gl-band{transform-box:fill-box;transform-origin:center;transition:transform var(--t1) var(--ease)}.rail-icon:hover .gl-band,.rail-icon[aria-expanded=true] .gl-band{transform:translate(1.6px,1.6px)}.hb-ic .rl-col{transition:transform var(--t1) var(--ease)}.rail-icon:hover .rl-col{transform:translate(-2.4px)}.rail-expand:hover .rl-col{transform:translate(2.4px)}:is(.nav-link,.nav-key-go):hover .wd-stick{transform:rotate(-9deg)}@media (hover: hover){:is(.nav-link,.nav-key-go):hover .wd-sp{animation:sp-twinkle .9s ease-in-out infinite}}:is(.nav-link,.nav-key-go):hover .wd-sp.s2{animation-delay:.18s}:is(.nav-link,.nav-key-go):hover .wd-sp.s3{animation-delay:.36s}@keyframes sp-twinkle{0%,to{opacity:.35;transform:scale(.8)}50%{opacity:1;transform:scale(1.12)}}@media (hover: hover){.nav-link:hover .cam-pupil{animation:cam-scan 1.7s ease-in-out infinite}}@keyframes cam-scan{0%,to{transform:translate(0)}30%{transform:translate(1.2px)}70%{transform:translate(-1.2px)}}:is(.nav-link,.nav-key-go):hover .hb-publish{transform:translateY(-1px) rotate(-2.5deg)}@media (hover: hover){.rail-btn:hover .bt-bottle{transform-box:fill-box;transform-origin:50% 88%;animation:bt-bob 2.1s ease-in-out infinite}}@keyframes bt-bob{0%,to{transform:rotate(0) translateY(0)}30%{transform:rotate(-7deg) translateY(-.5px)}70%{transform:rotate(5deg) translateY(.2px)}}.lh-r1{transform-box:fill-box;transform-origin:right center}.lh-r2{transform-box:fill-box;transform-origin:left 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