:where(.nn-hdr,.nn-hdr-scrim,.nn-hdr-sheet,.nn-hdr-veil,.nn-hdr-user,.nn-hdr-user-menu,[data-user]){--page-max:1180px;--page-pad-x:clamp(20px, 4vw, 40px);--font-header:'Unbounded',-apple-system,BlinkMacSystemFont,'Segoe UI',system-ui,sans-serif;--card:#ffffff;--bg-elev:#f3f5f7;--text:#1a1a1a;--text-muted:#6b6b6b;--text-faint:#9aa0a6;--border:#e1e4e8;--border-soft:#edf0f3;--sheet-gloss:rgba(255, 255, 255, 0.7);--sheet-shadow:0 -12px 40px rgba(14, 63, 126, 0.18);--pane-shadow:-28px 0 44px -26px rgba(14, 63, 126, 0.24);--accent:#0072ff;--accent-hover:#0056cc;--accent-light:#e6f3ff;--accent-soft:rgba(0, 114, 255, 0.08);--squircle-boost:1;--radius-sm-base:10px;--radius-base:16px;--radius-card-base:clamp(16px, 2.4vw, 22px);--radius-sm:calc(var(--radius-sm-base) * var(--squircle-boost));--radius:calc(var(--radius-base) * var(--squircle-boost));--radius-card:calc(var(--radius-card-base) * var(--squircle-boost));--radius-pill:999px;--shadow-card:rgba(14, 63, 126, 0.06) 0px 0px 0px 1px,rgba(42, 51, 70, 0.03) 0px 1px 1px -0.5px,rgba(42, 51, 70, 0.04) 0px 2px 2px -1px,rgba(42, 51, 70, 0.04) 0px 3px 3px -1.5px,rgba(42, 51, 70, 0.03) 0px 5px 5px -2.5px,rgba(42, 51, 70, 0.03) 0px 10px 10px -5px,rgba(42, 51, 70, 0.03) 0px 24px 24px -8px;--btn-gradient:linear-gradient(180deg, #4c9aff 0%, var(--accent) 45%, var(--accent-hover) 100%);--btn-edge:#00387e;--btn-shadow:inset 0 -3px 0 var(--btn-edge),var(--shadow-card);--btn-shadow-float:inset 0 -3px 0 var(--btn-edge),0 8px 20px rgba(0, 56, 126, 0.22);--drawer-max:600px;--drawer-w:min(75vw, var(--drawer-max));--drawer-pad:clamp(24px, 3.5vw, 44px);--drawer-link-size:clamp(24px, 2.6vw, 32px);--spine-w:44px;--drill-in:380ms;--drill-out:260ms;--dur-fast:180ms;--dur-base:240ms;--ease-hover:ease;--ease-out-quart:cubic-bezier(0.165, 0.84, 0.44, 1);--ease-spring:cubic-bezier(0.34, 1.56, 0.64, 1);--ease-glide:cubic-bezier(0.22, 1, 0.36, 1);--ease-move-in:cubic-bezier(0.33, 1, 0.68, 1);--dur-hover-in:300ms;--dur-hover-out:380ms;--ease-sheet:cubic-bezier(0.32, 0.72, 0, 1);--drawer-open:480ms;--drawer-close:300ms;--ease-color:cubic-bezier(0.4, 0, 0.2, 1);--dur-color-in:180ms;--dur-color-out:420ms;--nn-hdr-glass:rgba(250, 251, 252, 0.82);--nn-hdr-veil:rgba(226, 231, 238, 0.55)}@supports (corner-shape:squircle){:where(.nn-hdr,.nn-hdr-scrim,.nn-hdr-sheet,.nn-hdr-veil,.nn-hdr-user,.nn-hdr-user-menu,[data-user]){--squircle-boost:2}}:where(html[data-theme=dark]) :where(.nn-hdr,.nn-hdr-scrim,.nn-hdr-sheet,.nn-hdr-veil,.nn-hdr-user,.nn-hdr-user-menu,[data-user]){--card:rgb(30, 30, 30);--bg-elev:rgb(38, 38, 38);--text:#ffffff;--text-muted:rgb(180, 180, 180);--text-faint:rgb(130, 130, 130);--border:rgb(48, 48, 48);--border-soft:rgba(255, 255, 255, 0.08);--sheet-gloss:rgba(255, 255, 255, 0.06);--sheet-shadow:0 -12px 40px rgba(0, 0, 0, 0.55);--pane-shadow:-28px 0 44px -26px rgba(0, 0, 0, 0.6);--accent-soft:rgba(0, 114, 255, 0.16);--nn-hdr-glass:rgba(18, 18, 18, 0.82);--nn-hdr-veil:rgba(18, 18, 18, 0.45)}.nn-hdr{position:sticky;top:0;z-index:50;background:var(--nn-hdr-glass);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:background-color 220ms var(--ease-hover)}.nn-hdr:not(:has(.nn-hdr-inner)){min-height:62px}.nn-hdr--mega-open{background:var(--card);z-index:230}.nn-hdr-veil{position:fixed;inset:0;z-index:220;background:var(--nn-hdr-veil);-webkit-backdrop-filter:blur(10px) saturate(0.9);backdrop-filter:blur(10px) saturate(0.9);opacity:0;pointer-events:none;transition:opacity .2s var(--ease-hover)}.nn-hdr-veil.is-on{opacity:1;pointer-events:auto;transition:opacity 320ms var(--ease-hover)}.nn-hdr-inner{padding:14px var(--page-pad-x);display:flex;align-items:center;justify-content:space-between;gap:clamp(12px,1.5vw,24px)}.nn-hdr-brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-header);font-weight:800;font-size:clamp(.8125rem, .65rem + .66vw, 1rem);color:var(--text);text-decoration:none;white-space:nowrap;flex:1 1 0}.nn-hdr-brand img{width:34px;height:34px;display:block}@media (max-width:430px){.nn-hdr-brand span{display:none}}.nn-hdr-end{flex:1 1 0;display:flex;align-items:center;justify-content:flex-end;gap:10px}.nn-hdr-login{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;padding:0;border:0;border-radius:var(--radius-sm);corner-shape:squircle;background:0 0;color:var(--text);cursor:pointer;transition:background var(--dur-fast) var(--ease-hover),color var(--dur-fast) var(--ease-hover),transform var(--dur-fast) var(--ease-out-quart)}.nn-hdr-login[hidden]{display:none}.nn-hdr-login svg{width:25px;height:25px;display:block}.nn-hdr-login:hover{color:var(--accent);background:var(--accent-soft)}.nn-hdr-login:active{transform:scale(.92)}.nn-hdr-login:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.nn-hdr-nav{--nn-nav-mx:clamp(3px, 1.53vw - 10px, 12px);display:flex;align-items:center}:is(.nn-hdr-nav > a,.nn-hdr-nav-btn){position:relative;padding:5px;margin:0 var(--nn-nav-mx);color:var(--text-muted);white-space:nowrap;font-size:clamp(.85rem, .566rem + .535vw, .95rem);font-weight:300;text-decoration:none;transition:color var(--dur-color-out) var(--ease-color)}.nn-hdr-nav-btn{-webkit-appearance:none;appearance:none;background:0 0;border:0;font:inherit;line-height:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent}:is(.nn-hdr-nav > a,.nn-hdr-nav-btn)::after{content:'';position:absolute;left:5px;right:5px;bottom:2px;height:1px;background:var(--accent);transform:scaleX(0);transform-origin:right center;transition:transform var(--dur-hover-out) var(--ease-glide)}.nn-hdr-nav-btn.is-open,:is(.nn-hdr-nav > a,.nn-hdr-nav-btn):focus-visible,:is(.nn-hdr-nav > a,.nn-hdr-nav-btn):hover{color:var(--accent);transition-duration:var(--dur-color-in)}.nn-hdr-nav-btn.is-open::after,:is(.nn-hdr-nav > a,.nn-hdr-nav-btn):focus-visible::after,:is(.nn-hdr-nav > a,.nn-hdr-nav-btn):hover::after{transform:scaleX(1);transform-origin:left center;transition-duration:var(--dur-hover-in);transition-timing-function:var(--ease-move-in)}.nn-hdr-brand:focus-visible,:is(.nn-hdr-nav > a,.nn-hdr-nav-btn):focus-visible{outline:2px solid var(--accent);outline-offset:2px}:is(.nn-hdr-nav > a,.nn-hdr-nav-btn).is-current{color:var(--accent);background:var(--accent-soft);border-radius:var(--radius-pill);corner-shape:squircle;padding:5px 10px;margin:0 calc(var(--nn-nav-mx) - 5px)}:is(.nn-hdr-nav > a,.nn-hdr-nav-btn).is-current::after{display:none}.nn-hdr-mega{position:absolute;top:100%;left:0;right:0;z-index:-1;height:0;box-sizing:content-box;overflow:hidden;background:var(--card);visibility:hidden;transition:height .3s var(--ease-out-quart) 40ms,visibility 0s linear 340ms}.nn-hdr-mega.is-open{visibility:visible;transition:height 460ms var(--ease-out-quart)}.nn-hdr-mega-page{display:none;position:relative;max-width:700px;margin-left:var(--nn-mega-x,var(--page-pad-x));padding:18px 0 28px;gap:12px;flex-wrap:wrap;align-items:stretch}.nn-hdr-mega-page.is-active{display:flex}.nn-hdr-mega-tile{position:relative;display:flex;flex-direction:column;justify-content:space-between;gap:14px;min-height:96px;padding:14px 16px;background:var(--bg-elev);border-radius:var(--radius-card);corner-shape:squircle;color:var(--text-muted);font-size:.95rem;font-weight:400;line-height:1.3;text-decoration:none;transition:background var(--dur-color-out) var(--ease-color),color var(--dur-color-out) var(--ease-color)}.nn-hdr-mega-tile-ic{display:flex;flex:none;width:22px;height:22px}.nn-hdr-mega-tile-ic svg{width:22px;height:22px}.nn-hdr-mega-tile-lb{display:block}.nn-hdr-mega-tile--wide{grid-column:1/-1}.nn-hdr-mega-tile>.nn-hdr-mega-go{position:absolute;top:12px;right:12px;width:18px;height:18px;color:var(--accent);opacity:0;transform:translate(-4px,4px);transition:opacity var(--dur-color-out) var(--ease-color),transform var(--dur-hover-out) var(--ease-glide)}.nn-hdr-mega-tile:focus-visible,.nn-hdr-mega-tile:hover{background:var(--accent-soft);color:var(--accent);transition-duration:var(--dur-color-in)}@media (hover:hover) and (pointer:fine){.nn-hdr-mega-tile:hover:not(:focus-visible){background:var(--bg-elev)}}.nn-hdr-mega-glide{position:absolute;top:0;left:0;width:0;height:0;background:var(--accent-soft);corner-shape:squircle;opacity:0;pointer-events:none;will-change:transform;transition:transform 260ms var(--ease-glide),width 260ms var(--ease-glide),height 260ms var(--ease-glide),opacity var(--dur-color-out) var(--ease-color)}.nn-hdr-mega-glide.is-on{opacity:1;transition-duration:260ms,260ms,260ms,var(--dur-color-in)}.nn-hdr-mega-glide.is-jump{transition:none}.nn-hdr-mega-glide.is-hop{transition:opacity 120ms var(--ease-color)}.nn-hdr-mega-tile:is(:hover,:focus-visible):not(.is-current)>.nn-hdr-mega-go{opacity:1;transform:none;transition-duration:var(--dur-color-in),var(--dur-hover-in);transition-timing-function:var(--ease-color),var(--ease-move-in)}.nn-hdr-mega-tile.is-current{color:var(--accent)}.nn-hdr-mega-tile:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.nn-hdr-mega-links{flex:1 1 200px;display:grid;grid-template-columns:repeat(auto-fill,minmax(var(--nn-min,190px),1fr));grid-auto-rows:1fr;gap:12px}.nn-hdr-mega-group{--pad:12px;flex:1 1 210px;container-type:inline-size;display:flex;flex-direction:column;padding:var(--pad);border:1px solid var(--border-soft);border-radius:calc(var(--radius-card) + var(--pad));corner-shape:squircle;opacity:0;transition:opacity 160ms var(--ease-hover);transition-delay:calc(var(--nn-n, 1) * 10ms)}.nn-hdr-mega-page.is-in .nn-hdr-mega-group{opacity:1;transition:opacity 260ms var(--ease-hover);transition-delay:30ms}.nn-hdr-mega-title{display:flex;align-items:center;gap:8px;margin:6px 8px 12px;font-size:.95rem;font-weight:400;line-height:1.3;color:var(--text-muted)}.nn-hdr-mega-title-ic{display:flex;flex:none;width:18px;height:18px}.nn-hdr-mega-title-ic svg{width:18px;height:18px}.nn-hdr-mega-grid{flex:1 1 auto;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:1fr;gap:8px}@container (max-width:300px){.nn-hdr-mega-grid{grid-template-columns:minmax(0,1fr)}.nn-hdr-mega-tile{flex-direction:row;align-items:center;justify-content:flex-start;gap:10px;min-height:40px;padding:8px 12px;border-radius:var(--radius)}.nn-hdr-mega-tile-ic,.nn-hdr-mega-tile-ic svg{width:19px;height:19px}.nn-hdr-mega-tile-lb{flex:1 1 auto;min-width:0}.nn-hdr-mega-tile>.nn-hdr-mega-go{position:static;flex:none;margin-left:auto;width:16px;height:16px}}.nn-hdr-mega-group .nn-hdr-mega-tile{border-radius:var(--radius-card)}.nn-hdr-mega-group .nn-hdr-mega-group{grid-column:1/-1}.nn-hdr-mega-el{opacity:0;transform:translateY(10px);transition:opacity 150ms var(--ease-hover),transform 150ms var(--ease-out-quart),background var(--dur-color-out) var(--ease-color),color var(--dur-color-out) var(--ease-color);transition-delay:calc((var(--nn-n, 1) - 1 - var(--nn-r, 0)) * 14ms),calc((var(--nn-n, 1) - 1 - var(--nn-r, 0)) * 14ms),0s,0s}.nn-hdr-mega-page.is-in .nn-hdr-mega-el{opacity:1;transform:none;transition:opacity 280ms var(--ease-hover),transform 380ms var(--ease-out-quart),background var(--dur-color-out) var(--ease-color),color var(--dur-color-out) var(--ease-color);transition-delay:calc(60ms + var(--nn-r, 0) * 22ms),calc(60ms + var(--nn-r, 0) * 22ms),0s,0s}.nn-hdr-mega-page.is-in .nn-hdr-mega-tile:is(:hover,:focus-visible){transition-duration:280ms,380ms,var(--dur-color-in),var(--dur-color-in)}.nn-hdr-cta{--arrow-w:15px;--arrow-gap:8px;position:relative;display:inline-flex;align-items:center;justify-content:center;height:42px;padding:0 22px;border-radius:var(--radius-pill);corner-shape:squircle;color:#fff;font-size:15px;font-weight:600;line-height:1;text-decoration:none;white-space:nowrap;background:var(--btn-gradient);box-shadow:var(--btn-shadow-float);transition-property:background,transform,box-shadow;transition-duration:var(--dur-fast);transition-timing-function:var(--ease-out-quart)}.nn-hdr-cta::after{content:'';display:inline-block;width:0;height:var(--arrow-w);margin-left:0;background-color:currentColor;-webkit-mask-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><path d='M5 12h14'/><path d='m12 5 7 7-7 7'/></svg>");mask-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><path d='M5 12h14'/><path d='m12 5 7 7-7 7'/></svg>");-webkit-mask-size:contain;mask-size:contain;-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;-webkit-mask-position:center;mask-position:center;opacity:0;transform:translateX(-6px);transition-property:width,margin-left,opacity,transform;transition-duration:var(--dur-base);transition-timing-function:var(--ease-out-quart)}.nn-hdr-cta:focus-visible::after,.nn-hdr-cta:hover::after{width:var(--arrow-w);margin-left:var(--arrow-gap);opacity:1;transform:translateX(0)}.nn-hdr-cta:hover{background:linear-gradient(180deg,#5ba4ff 0,#1a80ff 45%,var(--accent-hover) 100%);transform:translateY(-1px);box-shadow:inset 0 1px 0 rgba(255,255,255,.4),inset 0 -1px 1px rgba(0,40,90,.45),0 2px 4px rgba(0,40,90,.2),0 8px 20px rgba(0,114,255,.34)}.nn-hdr-cta:active{transform:scale(.96)}.nn-hdr-cta:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.nn-hdr-menu-btn{display:none;align-items:center;justify-content:center;width:42px;height:42px;padding:0;border:0;border-radius:var(--radius-sm);corner-shape:squircle;background:0 0;color:var(--text);cursor:pointer;transition:background var(--dur-fast) var(--ease-hover),transform var(--dur-fast) var(--ease-out-quart)}.nn-hdr-menu-btn svg{width:26px;height:26px;display:block}.nn-hdr-menu-btn:active{background:var(--accent-soft);transform:scale(.92)}.nn-hdr-menu-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}@media (max-width:850px){.nn-hdr-nav{display:none}.nn-hdr-menu-btn{display:inline-flex}}@media (min-width:851px) and (max-width:1099px){.nn-hdr-nav{display:none}.nn-hdr-menu-btn{display:inline-flex}}.nn-hdr-nav .nn-hdr-nav-short{display:none}@media (max-width:1300px){.nn-hdr-nav .nn-hdr-nav-full{display:none}.nn-hdr-nav .nn-hdr-nav-short{display:inline-block}}.nn-hdr-end{position:relative}.nn-hdr-user{width:34px;height:34px;padding:0;border:0;border-radius:50%;corner-shape:superellipse(2.5);background:0 0;cursor:pointer;flex:none;transition:box-shadow var(--dur-fast) var(--ease-hover),transform var(--dur-fast) var(--ease-out-quart)}.nn-hdr-user:hover{box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 25%,transparent)}.nn-hdr-user[aria-expanded=true]{box-shadow:0 0 0 2px var(--card),0 0 0 4px var(--accent)}.nn-hdr-user:active{transform:scale(.94)}.nn-hdr-user:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.nn-hdr-user-face{display:grid;place-items:center;width:100%;height:100%;border-radius:50%;corner-shape:superellipse(2.5);overflow:hidden;background:var(--accent-light);color:var(--accent);font-family:var(--font-header);font-size:14px;font-weight:600;user-select:none}.nn-hdr-user-face img{width:100%;height:100%;object-fit:cover;display:block;opacity:0;transition:opacity var(--dur-base) var(--ease-hover)}.nn-hdr-user-face img.is-ready{opacity:1}.nn-hdr-user-face--lg{width:44px;height:44px;font-size:18px;flex:none}.nn-hdr-user.is-loading{pointer-events:none}.nn-hdr-user.is-loading .nn-hdr-user-face{background:linear-gradient(90deg,var(--bg-elev) 25%,var(--card) 44%,var(--bg-elev) 63%);background-size:300% 100%;animation:nn-hdr-shimmer 1.3s var(--ease-hover) infinite}@keyframes nn-hdr-shimmer{from{background-position:100% 0}to{background-position:-100% 0}}.nn-hdr-user-menu{position:absolute;top:calc(100% + 10px);right:0;z-index:200;width:300px;max-height:75vh;overflow-y:auto;overscroll-behavior:contain;padding:8px;background:var(--card);border:1px solid var(--border-soft);border-radius:var(--radius);corner-shape:squircle;box-shadow:var(--shadow-card);transform-origin:top right;opacity:0;transform:translateY(-6px) scale(.97);pointer-events:none;transition:opacity 140ms var(--ease-hover),transform 140ms var(--ease-out-quart)}.nn-hdr-user-menu.is-open{opacity:1;transform:translateY(0) scale(1);pointer-events:auto;transition:opacity 180ms var(--ease-hover),transform var(--dur-base) var(--ease-spring)}@media (max-width:850px){.nn-hdr-user-menu{display:none}}.nn-hdr-user-id{display:flex;align-items:center;gap:12px;padding:10px 12px;min-width:0}.nn-hdr-user-id-text{min-width:0}.nn-hdr-user-name{font-size:15px;font-weight:600;color:var(--text);line-height:1.3}.nn-hdr-user-pill{display:inline-block;margin-left:8px;padding:2px 8px 3px;border-radius:var(--radius-pill);corner-shape:squircle;background:var(--accent-soft);color:var(--accent);font-size:10.5px;font-weight:600;letter-spacing:.01em;vertical-align:2px;white-space:nowrap}.nn-hdr-user-email{font-size:12.5px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.nn-hdr-user-since{margin-top:2px;font-size:11.5px;color:var(--text-faint)}.nn-hdr-user-sep{border:0;border-top:1px solid var(--border-soft);margin:6px 4px}.nn-hdr-user-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:var(--radius-sm);corner-shape:squircle;font-size:14px;font-weight:500;color:var(--text);text-decoration:none;-webkit-tap-highlight-color:transparent;transition:background var(--dur-fast) var(--ease-hover)}.nn-hdr-user-item svg{width:16px;height:16px;flex:none;color:var(--text-muted)}.nn-hdr-user-item:hover{background:var(--bg-elev)}.nn-hdr-user-item:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.nn-hdr-user-item.is-danger{color:#d1242f}.nn-hdr-user-item.is-danger svg{color:currentColor}.nn-hdr-user-item.is-danger:hover{background:rgba(209,36,47,.08)}.nn-hdr-sheet--profile .nn-hdr-user-id{padding:4px 28px 10px}.nn-hdr-sheet--profile .nn-hdr-user-sep{margin:0 22px 4px}.nn-hdr-sheet--profile .nn-hdr-user-item{font-size:17px;gap:14px}.nn-hdr-sheet--profile .nn-hdr-user-item svg{width:19px;height:19px}.nn-hdr-sheet--profile 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