:root{--bg:#fff;--surface:#fff;--soft:#f5f8fa;--line:#dfe7eb;--ink:#0b1e30;--muted:#5d7180;--brand:#00a7ad;--brand-deep:#007b85;--shadow:0 18px 50px rgba(16,47,68,.09)}
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72px)}.sidebar{position:sticky;top:72px;display:flex;flex-direction:column;height:calc(100vh - 72px);padding:24px 16px;border-right:1px solid var(--line);background:var(--surface);overflow:auto}.search-trigger{display:flex;align-items:center;gap:10px;width:100%;padding:10px 11px;border:1px solid var(--line);border-radius:10px;background:var(--soft);color:var(--muted);text-align:left;cursor:pointer}.search-trigger:hover{border-color:var(--brand);background:var(--bg)}.search-trigger svg,.search-input svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8}.search-trigger kbd{margin-left:auto;font-size:11px}.nav-group{margin:23px 0 3px}.nav-group h2{margin:0 10px 7px;color:var(--muted);font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.nav-link{display:block;margin:2px 0;padding:8px 10px;border-radius:8px;color:var(--muted);font-size:14px;font-weight:600;text-decoration:none}.nav-link:hover{color:var(--ink);background:var(--soft)}.nav-link.active{color:var(--brand-deep);background:#e7f8f8}.sidebar-support{margin-top:auto;padding:22px 10px 4px;color:var(--muted);font-size:13px}.sidebar-support p{margin:0}.sidebar-support a{color:var(--brand-deep);font-weight:700;text-decoration:none}main{width:min(100%,900px);padding:72px max(32px,8vw) 90px}article{max-width:740px}.eyebrow{margin:0 0 13px;color:var(--brand-deep);font-size:12px;font-weight:850;letter-spacing:.12em;text-transform:uppercase}h1{margin:0;color:var(--ink);font-size:clamp(34px,5vw,50px);line-height:1.14;letter-spacing:-1.8px}h2{margin:42px 0 12px;font-size:24px;line-height:1.25;letter-spacing:-.5px}h3{margin:27px 0 8px;font-size:18px}p{margin:0 0 16px;color:var(--muted)}.lead{max-width:690px;font-size:19px;line-height:1.65}.article-hero{margin-bottom:42px}.article-list{padding-left:23px;color:var(--muted)}.article-list li{margin:8px 0}.article-list strong{color:var(--ink)}.callout{display:flex;gap:12px;margin:28px 0;padding:17px 18px;border:1px solid #b8e8e9;border-radius:12px;background:#edfbfb;color:#165860}.callout svg{flex:0 0 19px;width:19px;height:19px;stroke:var(--brand-deep);fill:none;stroke-width:2}.callout p{margin:0;color:#165860}.step-list{counter-reset:steps;list-style:none;margin:22px 0;padding:0}.step-list li{position:relative;margin:0 0 14px;padding:15px 18px 15px 58px;border:1px solid var(--line);border-radius:12px;color:var(--muted)}.step-list li:before{position:absolute;left:16px;top:15px;display:grid;place-items:center;counter-increment:steps;content:counter(steps);width:27px;height:27px;border-radius:50%;background:var(--brand);color:#fff;font-weight:800;font-size:13px}.next-guide{display:flex;justify-content:space-between;gap:16px;margin-top:62px;padding-top:25px;border-top:1px solid var(--line)}.next-guide span{display:block;color:var(--muted);font-size:13px}.next-guide a{color:var(--brand-deep);font-weight:750;text-decoration:none}.search-dialog{width:min(680px,calc(100vw - 32px));border:0;border-radius:18px;padding:0;background:var(--surface);color:var(--ink);box-shadow:0 28px 80px rgba(3,20,33,.28)}.search-dialog::backdrop{background:rgba(5,20,32,.46);backdrop-filter:blur(3px)}.search-card{padding:20px}.search-heading{display:flex;align-items:center;justify-content:space-between;gap:16px}.search-heading h2{margin:0;font-size:19px}.search-heading button{width:34px;height:34px;border:0;border-radius:8px;background:var(--soft);color:var(--muted);font-size:25px;line-height:1;cursor:pointer}.search-input{display:flex;align-items:center;gap:10px;margin:18px 0 8px;padding:0 13px;border:1px solid var(--brand);border-radius:10px}.search-input input{width:100%;border:0;outline:0;background:transparent;padding:13px 0;color:var(--ink);font:inherit}.search-hint,.search-keys{margin:8px 0;color:var(--muted);font-size:13px}.search-results{max-height:330px;margin-top:18px;overflow:auto}.result{display:block;padding:13px;border-radius:10px;color:var(--ink);text-decoration:none}.result:hover,.result.selected{background:var(--soft)}.result strong{display:block}.result span{display:block;margin-top:2px;color:var(--muted);font-size:13px}.search-keys{margin-top:18px;padding-top:13px;border-top:1px solid var(--line)}kbd{border:1px solid var(--line);border-bottom-width:2px;border-radius:4px;padding:1px 5px;background:var(--surface);font:11px ui-monospace,monospace}.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}@media(max-width:820px){.topbar{padding:0 18px}.site-link{display:none}.menu-button{display:grid}.app-shell{display:block}.sidebar{position:fixed;z-index:9;top:72px;left:0;width:min(340px,88vw);height:calc(100vh - 72px);box-shadow:var(--shadow);transform:translateX(-105%);transition:transform .2s ease}.sidebar.open{transform:translateX(0)}main{padding:48px 24px 75px;margin:auto}.lead{font-size:17px}}@media(prefers-color-scheme:dark){:root{--bg:#0b1721;--surface:#10212d;--soft:#162d3b;--line:#294150;--ink:#edf8fb;--muted:#acc1cb;--brand:#25c0c4;--brand-deep:#6de1df;--shadow:0 18px 50px rgba(0,0,0,.3)}.nav-link.active{background:#113f46;color:#83efed}.callout{border-color:#246e76;background:#113f46}.callout p{color:#c2f0ef}.callout svg{stroke:#83efed}.search-dialog{box-shadow:0 28px 80px rgba(0,0,0,.6)}}body.dark{--bg:#0b1721;--surface:#10212d;--soft:#162d3b;--line:#294150;--ink:#edf8fb;--muted:#acc1cb;--brand:#25c0c4;--brand-deep:#6de1df;--shadow:0 18px 50px rgba(0,0,0,.3)}body.dark .nav-link.active{background:#113f46;color:#83efed}body.dark .callout{border-color:#246e76;background:#113f46}body.dark .callout p{color:#c2f0ef}body.dark .callout svg{stroke:#83efed}