:root{--bg:#f5f7fb;--panel:#fff;--panel2:#eef3fb;--text:#172033;--muted:#667085;--line:#dfe5ef;--accent:#2673e8;--accent2:#0e5ccc;--code:#0f172a;--codeText:#e5e7eb;--shadow:0 10px 30px rgba(15,23,42,.07);--radius:14px}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0b0f17;--panel:#101722;--panel2:#151e2c;--text:#e8edf6;--muted:#93a0b4;--line:#243044;--accent:#4d9cff;--accent2:#76b3ff;--code:#080b10;--codeText:#e6edf7;--shadow:0 10px 35px rgba(0,0,0,.25)}}
:root[data-theme="dark"]{--bg:#0b0f17;--panel:#101722;--panel2:#151e2c;--text:#e8edf6;--muted:#93a0b4;--line:#243044;--accent:#4d9cff;--accent2:#76b3ff;--code:#080b10;--codeText:#e6edf7;--shadow:0 10px 35px rgba(0,0,0,.25)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.65 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.app-shell{min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:300px;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;z-index:30}.brand{height:72px;display:flex;gap:12px;align-items:center;padding:0 20px;border-bottom:1px solid var(--line)}.brand-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--accent),#164b9b);color:white;display:grid;place-items:center;font-weight:900;letter-spacing:-1px}.brand strong,.brand span{display:block}.brand strong{font-size:16px;letter-spacing:.04em}.brand span{font-size:12px;color:var(--muted);margin-top:-2px}.search{display:flex;gap:7px;padding:16px 14px;border-bottom:1px solid var(--line)}.search input{width:100%;border:1px solid var(--line);background:var(--panel2);color:var(--text);border-radius:10px;padding:10px 11px;outline:none}.search input:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 16%,transparent)}.search button,.icon-btn{border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:10px;cursor:pointer}.search button{width:40px;font-size:21px}.nav{padding:10px 10px 30px;overflow:auto;flex:1}.nav-group{margin:8px 0 18px}.nav-group h3{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);padding:0 10px;margin:10px 0 6px}.nav-link{display:block;color:var(--muted);text-decoration:none;border-radius:9px;padding:7px 10px;margin:1px 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.nav-link:hover{background:var(--panel2);color:var(--text)}.nav-link.active{background:color-mix(in srgb,var(--accent) 13%,var(--panel));color:var(--accent2);font-weight:700}.sidebar-foot{font-size:12px;color:var(--muted);padding:14px 18px;border-top:1px solid var(--line)}.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:#28c76f;margin-right:8px}.main{margin-left:300px;min-height:100vh}.topbar{height:58px;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--panel) 88%,transparent);backdrop-filter:blur(14px);position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:0 24px}.crumb{font-size:13px;color:var(--muted)}.crumb span{margin:0 8px;color:var(--line)}.icon-btn{width:38px;height:38px;font-size:18px}.content-grid{display:grid;grid-template-columns:minmax(0,860px) 220px;gap:50px;max-width:1180px;margin:0 auto;padding:48px 42px 80px}.article{min-width:0}.article h1{font-size:38px;line-height:1.16;letter-spacing:-.035em;margin:0 0 24px}.article h2{font-size:26px;line-height:1.25;margin:42px 0 14px;padding-top:10px}.article h3{font-size:19px;margin:30px 0 10px}.article p{margin:0 0 16px;color:var(--text)}.article .lead{font-size:18px;color:var(--muted)}.article a{color:var(--accent2)}.article code{font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;background:var(--panel2);border:1px solid var(--line);padding:.12em .36em;border-radius:5px;font-size:.92em}.article pre{position:relative;background:var(--code);color:var(--codeText);padding:18px 18px 20px;border-radius:var(--radius);overflow:auto;box-shadow:var(--shadow)}.article pre code{background:none;border:0;padding:0;color:inherit}.copy-btn{position:absolute;right:8px;top:8px;border:1px solid #344154;background:#162033;color:#c9d4e3;border-radius:7px;padding:5px 8px;font-size:11px;cursor:pointer}.article blockquote{border-left:4px solid var(--accent);background:color-mix(in srgb,var(--accent) 8%,var(--panel));padding:12px 16px;margin:18px 0;border-radius:0 10px 10px 0;color:var(--muted)}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px;margin:18px 0 24px;background:var(--panel)}table{border-collapse:collapse;width:100%;min-width:540px}th,td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top}th{background:var(--panel2);font-size:12px;text-transform:uppercase;letter-spacing:.03em}tr:last-child td{border-bottom:0}.article ul,.article ol{padding-left:24px}.article li{margin:5px 0}.page-meta{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 14px}.page-meta span{font-size:11px;border:1px solid var(--line);color:var(--muted);padding:4px 8px;border-radius:99px;background:var(--panel)}.source-box{margin-top:52px;padding:14px 16px;background:var(--panel2);border:1px solid var(--line);border-radius:12px;color:var(--muted);font-size:12px}.source-box strong{display:block;color:var(--text);margin-bottom:6px}.source-box code{word-break:break-all}.toc{position:sticky;top:90px;align-self:start;max-height:calc(100vh - 120px);overflow:auto;border-left:1px solid var(--line);padding-left:18px}.toc.empty{display:none}.toc-title{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:10px}.toc a{display:block;color:var(--muted);text-decoration:none;font-size:12px;padding:4px 0}.toc a:hover{color:var(--accent)}.toc a.sub{padding-left:12px}.search-results{display:grid;gap:12px}.result-card{display:block;padding:16px;border:1px solid var(--line);background:var(--panel);border-radius:12px;text-decoration:none;color:var(--text)!important}.result-card:hover{border-color:var(--accent);box-shadow:var(--shadow)}.result-card span{display:block;font-size:11px;color:var(--accent);text-transform:uppercase;letter-spacing:.08em}.result-card strong{display:block;font-size:17px;margin:4px 0}.result-card p{color:var(--muted);margin:0}.empty{padding:28px;border:1px dashed var(--line);border-radius:12px;color:var(--muted)}.mobile-only{display:none}.overlay{display:none}.update-toast{position:fixed;right:22px;bottom:22px;background:var(--text);color:var(--bg);border-radius:10px;padding:12px 16px;font-weight:700;z-index:100;transform:translateY(30px);opacity:0;transition:.25s}.update-toast.show{transform:none;opacity:1}
@media(max-width:1050px){.content-grid{grid-template-columns:minmax(0,1fr)}.toc{display:none}}
@media(max-width:780px){.sidebar{transform:translateX(-101%);transition:.22s;width:min(86vw,320px);box-shadow:var(--shadow)}.sidebar.open{transform:none}.main{margin-left:0}.mobile-only{display:inline-grid;place-items:center}.topbar{padding:0 14px}.content-grid{padding:30px 20px 60px}.article h1{font-size:31px}.overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:25}.overlay.show{display:block}.crumb{max-width:62vw;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}}