:root{--navy:#04275b;--navy2:#073e91;--deep:#060a14;--brand:#146ef4;--brand-light:#7fb0ff;--ink:#101a2c;--muted:#5b6472;--slate:#43506a;--line:#e2e7ee;--line-soft:#eef1f6;--bg:#ffffff;--subtle:#f6f8fa;--paper:#ffffff;--ok:#2e9e4f;--warn:#b4600a;--no:#9a3b3b;--sidebar:292px;--content:800px;--toc:220px;--rail-gap:48px;--header:60px;--radius:8px;--font-sans:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;--font-mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;--shadow-sm:0 1px 2px rgba(6,10,20,0.06);--shadow-md:0 6px 24px rgba(6,10,20,0.1);--shadow-lg:0 24px 64px rgba(6,10,20,0.22)}:root[data-theme=dark]{--navy:#cfe0fb;--navy2:#a8c8f8;--deep:#05080f;--brand:#58a0ff;--brand-light:#9cc4ff;--ink:#e6ecf5;--muted:#93a1b5;--slate:#b3c0d3;--line:#24304a;--line-soft:#1a2337;--bg:#0b1120;--subtle:#161f33;--paper:#111a2c;--ok:#4bbd6d;--warn:#d99038;--no:#e07a7a;--shadow-sm:0 1px 2px rgba(0,0,0,0.4);--shadow-md:0 6px 24px rgba(0,0,0,0.45);--shadow-lg:0 24px 64px rgba(0,0,0,0.6)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header) + 16px)}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:after,:before{animation-duration:.01ms!important;transition-duration:.01ms!important}}body{margin:0;font-family:var(--font-sans);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;font-size:15px}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}.app{min-height:100vh}.header{position:-webkit-sticky;position:sticky;top:0;z-index:40;height:var(--header);display:flex;align-items:center;gap:16px;padding:0 20px;background:color-mix(in srgb,var(--paper) 88%,transparent);-webkit-backdrop-filter:saturate(180%) blur(12px);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}.header .logo{height:26px;width:auto;display:block}:root[data-theme=dark] .header .logo{filter:brightness(0) invert(1);opacity:.92}.header .brand{display:flex;align-items:center;gap:11px;color:inherit}.header .brand,.header .brand:hover{text-decoration:none}.header .brand-name{font-weight:600;font-size:14px;color:var(--navy);letter-spacing:-.01em;white-space:nowrap}.header .spacer{flex:1 1}.header .who{font-size:12.5px;color:var(--muted);text-align:right;line-height:1.35}.header .who b{display:block;color:var(--navy);font-weight:600}.iconbtn{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:8px;border:1px solid var(--line);background:var(--paper);color:var(--slate);cursor:pointer;padding:0}.iconbtn:hover{border-color:var(--brand);color:var(--brand)}.searchtrigger{display:flex;align-items:center;gap:8px;min-width:230px;height:34px;padding:0 10px;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--muted);font:inherit;font-size:13px;cursor:pointer;text-align:left}.searchtrigger:hover{border-color:var(--brand)}.searchtrigger .kbd{margin-left:auto}.kbd{font-family:var(--font-mono);font-size:10.5px;padding:2px 6px;border:solid var(--line);border-width:1px 1px 2px;border-radius:5px;background:var(--subtle);color:var(--muted)}@media (max-width:860px){.header{gap:10px;padding:0 12px}.header .brand-name,.header .who{display:none}.searchtrigger{min-width:0;width:34px;padding:0;justify-content:center}.searchtrigger .kbd,.searchtrigger span:not(.kbd){display:none}}.shell{display:grid;grid-template-columns:var(--sidebar) minmax(0,1fr);align-items:start}@media (max-width:1024px){.shell{grid-template-columns:minmax(0,1fr)}}.sidebar{position:-webkit-sticky;position:sticky;top:var(--header);height:calc(100vh - var(--header));overflow-y:auto;overscroll-behavior:contain;border-right:1px solid var(--line);padding:20px 12px 60px 20px;background:var(--paper)}@media (max-width:1024px){.sidebar{position:fixed;inset:var(--header) auto 0 0;width:300px;z-index:45;transform:translateX(-102%);transition:transform .18s ease;box-shadow:var(--shadow-lg)}.sidebar.open{transform:none}.scrim{position:fixed;inset:var(--header) 0 0 0;background:rgba(6,10,20,.4);z-index:44}}.sidebar .grouplabel{font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:18px 0 7px;padding-left:9px}.sidebar .grouplabel:first-child{margin-top:0}.navsection{margin-bottom:1px}.navsection-head{display:flex;align-items:center;gap:7px;width:100%;padding:7px 10px;border:none;background:none;cursor:pointer;font:inherit;font-size:13.6px;font-weight:600;color:var(--navy);text-align:left;border-radius:7px;line-height:1.35}.navsection-head:hover{background:var(--line-soft)}.navsection-head.active{color:var(--brand)}.navsection-head .chev{flex:none;color:var(--muted);transition:transform .15s ease}.navsection-head .chev.open{transform:rotate(90deg)}.navsection-head.active .chev{color:var(--brand)}.navsection-body{margin:1px 0 8px 10px;padding-left:11px;border-left:1px solid var(--line)}.navlink{display:block;padding:5.5px 10px;border-radius:7px;font-size:13.2px;color:var(--slate);line-height:1.4}.navlink:hover{background:var(--line-soft);text-decoration:none}.navlink.active{background:color-mix(in srgb,var(--brand) 12%,transparent);color:var(--brand);font-weight:600}.navfeature{margin:2px 0 4px}.navfeature-head{display:flex;align-items:center;gap:7px;width:100%;padding:5.5px 10px;border:none;background:none;cursor:pointer;font:inherit;font-size:13.2px;font-weight:600;color:var(--slate);text-align:left;border-radius:7px;line-height:1.4}.navfeature-head:hover{background:var(--line-soft)}.navfeature-head.active{color:var(--brand)}.navfeature-head .chev{flex:none;color:var(--muted);transition:transform .15s ease}.navfeature-head .chev.open{transform:rotate(90deg)}.navfeature-head.active .chev{color:var(--brand)}.navfns{margin:1px 0 0 9px;padding-left:10px;border-left:1px solid var(--line)}.navfns .navlink{font-size:12.9px;padding:4.5px 10px}.main{min-width:0;padding:32px 40px 96px}.page{max-width:calc(var(--content) + var(--rail-gap) + var(--toc));margin:0 auto}.page.withtoc{display:grid;grid-template-columns:minmax(0,var(--content)) var(--toc);grid-gap:var(--rail-gap);gap:var(--rail-gap);align-items:start}.page>.col{max-width:var(--content)}.page.withtoc>article{min-width:0}@media (max-width:1280px){.page.withtoc{grid-template-columns:minmax(0,1fr)}.toc{display:none}}@media (max-width:640px){.main{padding:20px 16px 70px}}.crumbs{font-size:12.5px;margin-bottom:10px;display:flex;flex-wrap:wrap;gap:6px;align-items:center}.crumbs,.crumbs a{color:var(--muted)}.crumbs a:hover{color:var(--brand)}.crumbs .sep{opacity:.45}.pagehead h1{font-size:30px;line-height:1.2;margin:0 0 8px;color:var(--navy);font-weight:650;letter-spacing:-.02em;text-wrap:balance}.pagehead .lead{font-size:16px;color:var(--muted);margin:0 0 6px}.screenbar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:16px 0 0;padding:10px 13px;background:var(--subtle);border:1px solid var(--line);border-radius:var(--radius);font-size:12.5px}.screenbar .lbl{font-weight:700;text-transform:uppercase;letter-spacing:.05em;font-size:10.5px;color:var(--muted)}.screenpath{font-family:var(--font-mono);font-size:12px;color:var(--navy);background:var(--paper);border:1px solid var(--line);border-radius:5px;padding:2px 8px}.prose{margin-top:30px}.prose>:first-child{margin-top:0}.prose h2{font-size:20px;letter-spacing:-.01em;margin:40px 0 10px;padding-bottom:6px;border-bottom:2px solid var(--brand);text-wrap:balance}.prose h2,.prose h3{color:var(--navy);font-weight:650;scroll-margin-top:calc(var(--header) + 16px)}.prose h3{font-size:16px;margin:26px 0 6px}.prose h4{font-size:14.2px;color:var(--navy);font-weight:650;margin:18px 0 4px}.prose p{margin:10px 0;max-width:80ch}.prose ol,.prose ul{margin:10px 0 14px;padding-left:22px;max-width:80ch}.prose li{margin:5px 0}.prose li>ol,.prose li>ul{margin:4px 0}.prose b,.prose strong{font-weight:650;color:var(--navy)}.prose hr{border:none;border-top:1px solid var(--line);margin:30px 0}.prose .anchor{opacity:0;margin-left:8px;color:var(--brand);font-weight:400;text-decoration:none}.prose h2:hover .anchor,.prose h3:hover .anchor,.prose h4:hover .anchor{opacity:.55}.prose code{font-family:var(--font-mono);font-size:.86em;background:var(--line-soft);border:1px solid var(--line);border-radius:5px;padding:1px 5px;color:var(--navy)}.prose pre{background:var(--subtle);border:1px solid var(--line);border-left:3px solid var(--brand);border-radius:0 var(--radius) var(--radius) 0;padding:12px 15px;overflow-x:auto;margin:14px 0}.prose pre code{background:none;border:none;padding:0;font-size:12.6px;line-height:1.6;color:var(--ink)}.prose .tablewrap{overflow-x:auto;margin:14px 0;border:1px solid var(--line);border-radius:var(--radius)}.prose table{width:100%;border-collapse:collapse;font-size:13.2px}.prose th{background:var(--navy);color:#fff;text-align:left;padding:8px 11px;font-weight:600;font-size:11.8px;letter-spacing:.02em;white-space:nowrap}:root[data-theme=dark] .prose th{background:#1b2942;color:var(--navy)}.prose td{padding:8px 11px;border-bottom:1px solid var(--line-soft);vertical-align:top}.prose tbody tr:nth-child(2n) td{background:var(--subtle)}.prose tbody tr:last-child td{border-bottom:none}.prose .callout,.prose .note,.prose .warnbox{margin:16px 0;padding:11px 15px;font-size:13.6px;border-radius:0 var(--radius) var(--radius) 0}.prose .note{background:color-mix(in srgb,var(--brand) 8%,var(--paper));border:1px solid color-mix(in srgb,var(--brand) 22%,var(--line));border-radius:var(--radius)}.prose .callout{background:color-mix(in srgb,var(--brand) 6%,var(--paper));border-left:3px solid var(--brand)}.prose .warnbox{background:color-mix(in srgb,var(--warn) 9%,var(--paper));border-left:3px solid var(--warn)}.prose .warnbox b{color:var(--warn)}.prose .callout>:first-child,.prose .note>:first-child,.prose .warnbox>:first-child{margin-top:0}.prose .callout>:last-child,.prose .note>:last-child,.prose .warnbox>:last-child{margin-bottom:0}.prose blockquote{margin:16px 0;padding:10px 14px;background:var(--subtle);border-left:3px solid var(--line);border-radius:0 var(--radius) var(--radius) 0}.prose blockquote p{margin:0;padding:2px 0;font-family:var(--font-mono);font-size:12.6px;line-height:1.5;color:var(--navy)}.prose blockquote p+p{border-top:1px solid var(--line-soft);margin-top:4px;padding-top:6px}.prose .facts{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0;padding:0}.prose .facts p{margin:0;display:contents}.prose .tier{position:relative;margin:18px 0;padding:14px 16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);box-shadow:var(--shadow-sm)}.prose .tier .tlabel{display:inline-block;font-size:10.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#fff;background:var(--brand);padding:2px 9px;border-radius:20px;margin-bottom:7px}.prose .tier .tier-title{margin:2px 0 6px;font-size:14.6px}.prose .tier>:last-child{margin-bottom:0}.prose figure.shot{margin:18px 0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--paper)}.prose figure.shot.narrow{max-width:70%}.prose figure.shot .shotpath{background:var(--subtle);border-bottom:1px solid var(--line);padding:7px 13px;font-size:10.8px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--slate)}.prose figure.shot img{display:block;width:100%;height:auto}.prose figure.shot a.shotzoom{display:block;cursor:zoom-in}.prose figure.shot a.shotzoom:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}.prose figure.shot figcaption{padding:9px 13px;font-size:12.6px;color:var(--muted);border-top:1px solid var(--line-soft)}.prose .shot-missing{margin:16px 0;padding:10px 14px;border-radius:var(--radius);border:1px dashed var(--warn);background:color-mix(in srgb,var(--warn) 7%,var(--paper));font-size:12.6px;color:var(--warn)}.prose .shot-missing span{color:var(--muted);display:block;margin-top:3px}.toc{position:-webkit-sticky;position:sticky;top:calc(var(--header) + 30px);font-size:12.8px;max-height:calc(100vh - var(--header) - 60px);overflow-y:auto}.toc .tlabel{font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}.toc a{display:block;padding:4px 0 4px 11px;border-left:2px solid var(--line);color:var(--muted);line-height:1.4}.toc a:hover{color:var(--brand);border-left-color:var(--brand-light);text-decoration:none}.toc a.lvl3{padding-left:22px;font-size:12.4px}.toc a.active{color:var(--brand);border-left-color:var(--brand);font-weight:600}.cards{display:grid;grid-gap:12px;gap:12px;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));margin:18px 0}.card{display:block;padding:15px 17px;border:1px solid var(--line);border-radius:10px;background:var(--paper);color:inherit;box-shadow:var(--shadow-sm);transition:border-color .14s ease,transform .14s ease}.card:hover{border-color:var(--brand);text-decoration:none;transform:translateY(-1px)}.card h3{margin:0 0 5px;font-size:14.6px;color:var(--navy);font-weight:650}.card p{margin:0;font-size:13px;color:var(--muted);line-height:1.5}.card .meta{margin-top:9px;font-size:11.5px;color:var(--muted);display:flex;gap:7px;flex-wrap:wrap}.card.disabled{opacity:.55;pointer-events:none}.pill{display:inline-block;padding:2px 9px;border-radius:11px;font-size:11px;font-weight:700;color:#fff;white-space:nowrap}.p-ok{background:var(--ok)}.p-part{background:var(--warn)}.p-no{background:var(--no)}.p-soon{background:var(--slate)}.fact{background:var(--deep);color:#fff;border-radius:6px;padding:7px 13px;font-size:12.8px}.fact b{color:var(--brand-light)}:root[data-theme=dark] .fact{background:#1b2942}.pager{display:grid;grid-gap:12px;gap:12px;grid-template-columns:1fr 1fr;margin-top:46px;padding-top:22px;border-top:1px solid var(--line)}@media (max-width:640px){.pager{grid-template-columns:1fr}}.pager a{display:block;padding:12px 15px;border:1px solid var(--line);border-radius:10px;background:var(--paper)}.pager a:hover{border-color:var(--brand);text-decoration:none}.pager .dir{font-size:10.8px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);font-weight:700}.pager .ttl{font-size:14px;color:var(--navy);font-weight:600;margin-top:3px}.pager .to-next{text-align:right}.palette-scrim{position:fixed;inset:0;z-index:90;background:rgba(6,10,20,.45);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:flex;justify-content:center;padding:9vh 16px 16px}.palette{width:min(680px,100%);background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-lg);overflow:hidden;display:flex;flex-direction:column;max-height:74vh}.palette-input{display:flex;align-items:center;gap:11px;padding:14px 17px;border-bottom:1px solid var(--line)}.palette-input input{flex:1 1;border:none;outline:none;background:none;font:inherit;font-size:16px;color:var(--ink)}.palette-input input::placeholder{color:var(--muted)}.palette-results{overflow-y:auto;padding:7px}.presult{display:block;padding:9px 12px;border-radius:8px;color:inherit}.presult.sel,.presult:hover{background:color-mix(in srgb,var(--brand) 11%,transparent);text-decoration:none}.presult .trail{font-size:11.2px;color:var(--muted);margin-bottom:2px}.presult .ttl{font-size:14px;font-weight:600;color:var(--navy)}.presult .snip{font-size:12.4px;color:var(--muted);margin-top:2px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.presult mark{background:color-mix(in srgb,var(--brand) 26%,transparent);color:inherit;border-radius:2px;padding:0 1px}.palette-foot{display:flex;gap:14px;align-items:center;padding:9px 15px;border-top:1px solid var(--line);font-size:11.5px;color:var(--muted);background:var(--subtle)}.palette-empty{padding:34px 20px;text-align:center;color:var(--muted);font-size:13.5px}.login{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}@media (max-width:900px){.login{grid-template-columns:1fr}.login-aside{display:none}}.login-aside{background:linear-gradient(155deg,var(--deep) 0,#0a1c3d 52%,var(--navy2) 100%);color:#fff;padding:56px 52px;display:flex;flex-direction:column;justify-content:space-between}.login-aside .logo{height:30px;width:auto;filter:brightness(0) invert(1)}.login-aside h2{font-size:30px;line-height:1.22;font-weight:600;letter-spacing:-.02em;margin:0 0 14px;max-width:15ch}.login-aside p{color:#a9bedd;font-size:14.5px;max-width:42ch;margin:0;line-height:1.6}.login-aside ul{list-style:none;padding:0;margin:26px 0 0;display:grid;grid-gap:9px;gap:9px}.login-aside li{font-size:13.6px;color:#c5d6ee;display:flex;gap:9px;align-items:flex-start}.login-aside li svg{flex:none;margin-top:3px;color:var(--brand-light)}.login-aside .foot{font-size:12px;color:#7b93b8}.login-main{display:flex;align-items:center;justify-content:center;padding:40px 24px;background:var(--paper)}.login-form{width:min(390px,100%)}.login-form .mobile-logo{height:27px;margin-bottom:26px;display:none}@media (max-width:900px){.login-form .mobile-logo{display:block}}.login-form h1{font-size:25px;margin:0 0 6px;color:var(--navy);font-weight:650;letter-spacing:-.02em}.login-form .sub{color:var(--muted);font-size:14px;margin:0 0 26px}.field{margin-bottom:15px}.field label{display:block;font-size:12.6px;font-weight:600;color:var(--slate);margin-bottom:5px}.field input{width:100%;height:42px;padding:0 13px;font:inherit;font-size:14.5px;border:1px solid var(--line);border-radius:8px;background:var(--paper);color:var(--ink)}.field input:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 18%,transparent)}.field .hint{font-size:11.8px;color:var(--muted);margin-top:5px}.btn{width:100%;height:43px;border:none;border-radius:8px;background:var(--brand);color:#fff;font:inherit;font-size:14.5px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:9px}.btn:hover:not(:disabled){background:var(--navy2)}.btn:disabled{opacity:.6;cursor:default}.formerror{background:color-mix(in srgb,var(--no) 10%,var(--paper));border:1px solid color-mix(in srgb,var(--no) 32%,transparent);color:var(--no);border-radius:8px;padding:10px 13px;font-size:13.2px;margin-bottom:15px}.spin{width:15px;height:15px;border:2px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:spin .65s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.muted{color:var(--muted)}.small{font-size:12.6px}.stack{display:grid;grid-gap:13px;gap:13px}.rowbetween{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}.sronly{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.mobile-only{display:none}@media (max-width:1024px){.mobile-only{display:inline-flex}}@media print{.header,.pager,.shell,.sidebar,.toc,.withtoc{display:block}.main{padding:0}.prose{max-width:none}}