:root{--ua-bg:#f8f9fc;--ua-surface-1:#fff;--ua-surface-2:#f2f3f6;--ua-surface-3:#e7e8eb;--ua-text:#191c1e;--ua-text-secondary:#454651;--ua-text-muted:#767682;--ua-border:#c6c5d3;--ua-brand:#021064;--ua-brand-hover:#1e2a78;--ua-accent:#8a4b00;--ua-focus:#bcc3ff;--ua-success:#16a34a;--ua-warning:#d97706;--ua-error:#ba1a1a;--ua-radius:14px;--ua-radius-pill:999px;--ua-shadow:0 14px 40px #0210641a;--ua-shadow-soft:0 10px 26px #191c1e14;--ua-font-sans:ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;--ua-font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--ua-text-xs:12px;--ua-text-sm:13px;--ua-text-md:15px;--ua-text-lg:17px;--ua-text-xl:20px;--ua-text-2xl:24px;--ua-text-4xl:44px;--ua-leading-tight:1.15;--ua-leading:1.5;--ua-leading-relaxed:1.65}@media (prefers-color-scheme:dark){:root{--ua-bg:#0d0d1a;--ua-surface-1:#16213e;--ua-surface-2:#0f0f20;--ua-surface-3:#0b1220;--ua-text:#f0f1f4;--ua-text-secondary:#cbd5e1;--ua-text-muted:#94a3b8;--ua-border:#2a2a4a;--ua-brand:#bcc3ff;--ua-brand-hover:#dfe0ff;--ua-focus:#bcc3ff}}html{height:100%}html,body{max-width:100vw;overflow-x:hidden}body{min-height:100%;color:var(--ua-text);background:var(--ua-bg);font-family:var(--ua-font-sans);font-size:var(--ua-text-md);line-height:var(--ua-leading);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;flex-direction:column;display:flex}*{box-sizing:border-box;margin:0;padding:0}a{color:inherit;text-decoration:none}@media (prefers-color-scheme:dark){html{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}.ua-sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.ua-container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}.ua-main{flex:1;padding:18px 0 36px}.ua-header{z-index:30;background:color-mix(in srgb, var(--ua-bg) 85%, transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--ua-border);position:sticky;top:0}.ua-header__inner{justify-content:space-between;align-items:center;gap:18px;padding:11px 16px;display:flex}.ua-brand{letter-spacing:.2px;align-items:center;gap:10px;font-weight:800;display:inline-flex}.ua-brand__logo{width:auto;height:32px;display:block}.ua-brand__name{font-size:14px}.ua-nav{color:var(--ua-text-secondary);flex-wrap:nowrap;align-items:center;gap:4px;margin-right:auto;display:flex}.ua-header__right{flex-shrink:0;align-items:center;gap:8px;display:inline-flex}.ua-header__greet{text-align:right;flex-direction:column;align-items:flex-end;gap:2px;min-width:0;max-width:min(240px,28vw);margin-right:4px;line-height:1.25;display:flex}.ua-header__greet-line{color:var(--ua-text-secondary);font-size:12px}.ua-header__greet-name{color:var(--ua-text);white-space:nowrap;text-overflow:ellipsis;vertical-align:bottom;max-width:min(200px,100%);font-weight:800;display:inline-block;overflow:hidden}.ua-header__greet-tokens{color:var(--ua-text-secondary);white-space:nowrap;font-size:11px}.ua-header__greet-tokens--muted{opacity:.75;font-style:italic}.ua-header__greet-limit{opacity:.85;font-weight:600}.ua-header__cabinet{border:1px solid var(--ua-border);background:var(--ua-surface-1);white-space:nowrap;border-radius:13px;flex-shrink:0;align-items:center;gap:9px;min-width:0;padding:5px 8px 5px 5px;text-decoration:none;display:inline-flex}.ua-header__cabinet:hover{border-color:color-mix(in srgb, var(--ua-brand) 45%, var(--ua-border));background:var(--ua-surface-2)}.ua-header__avatar{background:var(--ua-brand);color:#fff;border-radius:10px;flex:0 0 34px;place-items:center;width:34px;height:34px;font-size:14px;font-weight:900;display:grid}.ua-header__cabinet-copy{min-width:0;line-height:1.15;display:grid}.ua-header__cabinet-copy strong{max-width:135px;color:var(--ua-text);text-overflow:ellipsis;font-size:12px;overflow:hidden}.ua-header__cabinet-copy small{color:var(--ua-text-muted);margin-top:2px;font-size:9px}.ua-iconbtn{border-radius:var(--ua-radius-pill);border:1px solid var(--ua-border);background:var(--ua-surface-1);width:36px;height:36px;color:var(--ua-text-secondary);cursor:pointer;justify-content:center;align-items:center;display:inline-flex}.ua-iconbtn:hover{background:var(--ua-surface-2)}.ua-navlink{border-radius:var(--ua-radius-pill);border:1px solid #0000;padding:7px 9px;line-height:1.1}.ua-tools-menu{position:relative}.ua-tools-menu>summary{cursor:pointer;white-space:nowrap;align-items:center;gap:6px;list-style:none;display:inline-flex}.ua-tools-menu>summary::-webkit-details-marker{display:none}.ua-tools-menu[open]>summary svg{transform:rotate(180deg)}.ua-tools-menu__panel{z-index:50;border:1px solid var(--ua-border);background:var(--ua-surface-1);width:285px;box-shadow:var(--ua-shadow);border-radius:14px;padding:7px;display:grid;position:absolute;top:calc(100% + 10px);left:0}.ua-tools-menu__panel a{border-radius:9px;gap:2px;padding:10px 11px;display:grid}.ua-tools-menu__panel a:hover{background:var(--ua-surface-2)}.ua-tools-menu__panel strong{color:var(--ua-text);font-size:13px}.ua-tools-menu__panel small{color:var(--ua-text-muted);font-size:10px}.ua-navlink[aria-current=page]{color:var(--ua-text);background:var(--ua-surface-2);border-color:var(--ua-border)}.ua-search{align-items:center;gap:10px;display:flex}.ua-input{border-radius:var(--ua-radius);border:1px solid var(--ua-border);background:var(--ua-surface-1);width:100%;color:var(--ua-text);font:inherit;outline:none;padding:10px 12px}.ua-input:focus{border-color:var(--ua-focus);box-shadow:0 0 0 3px color-mix(in srgb, var(--ua-focus) 30%, transparent)}.ua-button{border-radius:var(--ua-radius);border:1px solid var(--ua-border);background:var(--ua-brand);color:#fff;cursor:pointer;font-weight:700;font:inherit;padding:10px 12px}.ua-button:disabled{opacity:.7;cursor:default}.ua-button:hover:not(:disabled){background:var(--ua-brand-hover)}.ua-button--ghost{background:var(--ua-surface-1);color:var(--ua-brand);border-color:var(--ua-border)}.ua-button--ghost:hover:not(:disabled){background:var(--ua-surface-2)}.ua-search__examples{flex-wrap:wrap;gap:8px;padding-top:10px;display:flex}.ua-chip{border-radius:var(--ua-radius-pill);border:1px solid var(--ua-border);background:var(--ua-surface-2);color:var(--ua-text-secondary);cursor:pointer;font:inherit;padding:6px 10px}.ua-chip:hover{background:var(--ua-surface-3)}.ua-card{border:1px solid var(--ua-border);background:var(--ua-surface-1);box-shadow:var(--ua-shadow-soft);border-radius:16px}.ua-card--hover:hover{background:color-mix(in srgb, var(--ua-surface-1) 70%, var(--ua-surface-2))}.ua-grid{gap:16px;display:grid}.ua-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}.ua-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}.ua-grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}.ua-home-tools-card{isolation:isolate;background:var(--ua-surface-1);position:relative;overflow:hidden}.ua-home-tools-card:before{content:"";z-index:0;pointer-events:none;background-position:100%;background-size:cover;position:absolute;inset:0}.ua-home-tools-card:after{content:"";z-index:0;background:linear-gradient(105deg, color-mix(in srgb, var(--ua-surface-1) 97%, transparent) 0%, color-mix(in srgb, var(--ua-surface-1) 94%, transparent) 40%, color-mix(in srgb, var(--ua-surface-1) 55%, transparent) 58%, color-mix(in srgb, var(--ua-surface-1) 12%, transparent) 75%, transparent 100%);pointer-events:none;position:absolute;inset:0}.ua-home-tools-card>*{z-index:1;position:relative}.ua-home-tools-card__copy{max-width:58%}.ua-home-tools-calc:before{background-image:url(/home-calculators.png)}.ua-home-tools-boards:before{background-image:url(/home-boards.png)}.ua-home-tools-lab:before{background-image:url(/home-laboratory.png)}.ua-card--hover.ua-home-tools-card:hover{background:var(--ua-surface-1)}.ua-card--hover.ua-home-tools-card:hover:after{background:linear-gradient(105deg, color-mix(in srgb, var(--ua-surface-2) 88%, transparent) 0%, color-mix(in srgb, var(--ua-surface-2) 82%, transparent) 40%, color-mix(in srgb, var(--ua-surface-1) 45%, transparent) 58%, color-mix(in srgb, var(--ua-surface-1) 10%, transparent) 75%, transparent 100%)}.ua-hero{border:1px solid var(--ua-border);background:var(--ua-surface-1);border-radius:18px;padding:0;position:relative;overflow:hidden}.ua-hero:before{content:"";opacity:.95;background-image:url(/home-hero-bg-v3.png);background-position:100%;background-size:cover;position:absolute;inset:0;transform:scale(1.02)}.ua-hero:after{content:"";background:0 0;position:absolute;inset:0}.ua-hero__inner{z-index:1;padding:34px 22px 22px;position:relative}.ua-hero__grid{grid-template-columns:1.2fr .8fr;align-items:start;gap:18px;display:grid}.ua-h1{font-size:var(--ua-text-4xl);letter-spacing:-.02em;color:var(--ua-brand);text-shadow:0 1px 12px #ffffff8c;line-height:1.08}.ua-h1__accent{color:var(--ua-accent);margin-top:2px;font-style:italic;font-weight:800;display:block}.ua-soft{background:color-mix(in srgb, var(--ua-surface-2) 70%, #fff)}.ua-hscroll{scroll-snap-type:x mandatory;grid-auto-columns:minmax(240px,1fr);grid-auto-flow:column;gap:16px;padding-bottom:8px;display:grid;overflow-x:auto}.ua-hscroll>*{scroll-snap-align:start}.ua-cover{aspect-ratio:4/3;border:1px solid var(--ua-border);background:linear-gradient(135deg,#0b3b73,#0c7aa4);border-radius:14px;width:100%;overflow:hidden}.ua-cover img,.ua-cover video{object-fit:cover;width:100%;height:100%;display:block}.ua-line-clamp-2{-webkit-line-clamp:2;line-clamp:2;word-break:break-word;-webkit-box-orient:vertical;display:-webkit-box;overflow:hidden}.ua-lead{color:var(--ua-text-secondary);line-height:var(--ua-leading-relaxed);font-size:var(--ua-text-lg);text-shadow:0 1px 12px #ffffff80;margin-top:12px}.ua-section__head{justify-content:space-between;align-items:end;gap:12px;display:flex}.ua-h2{font-size:var(--ua-text-xl);letter-spacing:-.01em;color:var(--ua-brand)}.ua-muted{color:var(--ua-text-secondary)}.ua-badge{border-radius:var(--ua-radius-pill);border:1px solid var(--ua-border);background:var(--ua-surface-2);color:var(--ua-text-secondary);font-weight:700;font-size:var(--ua-text-xs);align-items:center;padding:4px 10px;display:inline-flex}.ua-badge--accent{border-color:color-mix(in srgb, #ffdcc6 70%, var(--ua-border));color:#311300;background:#ffdcc6}.ua-kicker{font-size:var(--ua-text-xs);letter-spacing:.06em;text-transform:uppercase;color:var(--ua-text-secondary);font-weight:800}.ua-popover{border-radius:var(--ua-radius);border:1px solid var(--ua-border);background:var(--ua-surface-1);box-shadow:var(--ua-shadow);position:absolute;top:42px;left:0;right:0;overflow:hidden}.ua-popover__item{text-align:left;width:100%;color:var(--ua-text);cursor:pointer;background:0 0;border:none;padding:10px 12px}.ua-popover__item:hover{background:var(--ua-surface-2)}.ua-footer{border-top:1px solid var(--ua-border);background:var(--ua-surface-2);padding:28px 0}.ua-footer__inner{grid-template-columns:1.2fr 1fr 1fr 1fr;gap:18px;padding-bottom:14px;display:grid}.ua-footer__title{margin-bottom:8px;font-weight:800}.ua-footer__text{color:var(--ua-text-secondary);line-height:1.5}.ua-footer__list{color:var(--ua-text-secondary);gap:6px;list-style:none;display:grid}.ua-footer__bottom{color:var(--ua-text-secondary);border-top:1px solid var(--ua-border);flex-wrap:wrap;align-items:center;gap:10px;padding-top:12px;display:flex}.ua-footer__sep{opacity:.7}.ua-footer__dev-notice{color:#ba1a1a;font-size:13px;font-weight:700;line-height:1.35}.ua-footer__version{color:var(--ua-text-muted);letter-spacing:.02em;opacity:.85;margin-left:auto;font-size:11px;font-weight:500;line-height:1.2}@media (prefers-color-scheme:dark){.ua-footer__dev-notice{color:#ff8a80}}@media (max-width:1024px){.ua-header__inner{grid-template-columns:auto 1fr auto;gap:8px 12px;display:grid}.ua-nav{border-top:1px solid color-mix(in srgb, var(--ua-border) 65%, transparent);grid-area:2/1/auto/-1;justify-content:center;margin:0;padding-top:6px}.ua-header__right{grid-column:3}.ua-hero__inner{padding:28px 16px 18px}.ua-hero__grid{grid-template-columns:1fr}.ua-grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}.ua-grid--3{grid-template-columns:1fr}.ua-h1{font-size:34px}}@media (max-width:640px){.ua-header__greet,.ua-brand__name,.ua-header__cabinet-copy{display:none}.ua-header__cabinet{border-radius:11px;padding:4px}.ua-header__inner{grid-template-columns:auto 1fr auto}.ua-nav{scrollbar-width:none;justify-content:flex-start;overflow-x:auto}.ua-nav::-webkit-scrollbar{display:none}.ua-navlink{flex:none;font-size:13px}.ua-tools-menu__panel{width:auto;position:fixed;top:112px;left:12px;right:12px}}@media (max-width:860px){.ua-footer__inner{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:520px){.ua-footer__inner,.ua-grid--2,.ua-grid--3,.ua-grid--4{grid-template-columns:1fr}.ua-home-tools-card__copy{max-width:62%}}.article-body img,.article-body video{width:100%;max-width:100%;height:auto}.article-body .ua-video iframe{aspect-ratio:16/9;border:0;width:100%;display:block}