:root{--bg:#07111f;--bg2:#0b1729;--panel:#0d1d33;--panel2:#122b4c;--text:#eef6ff;--muted:#a9bad0;--line:rgba(255,255,255,.12);--brand:#5eead4;--brand2:#60a5fa;--accent:#a78bfa;--shadow:0 24px 80px rgba(0,0,0,.34)}[data-theme="light"]{--bg:#f7fbff;--bg2:#edf5ff;--panel:#fff;--panel2:#eef6ff;--text:#102033;--muted:#516579;--line:rgba(16,32,51,.13);--shadow:0 18px 60px rgba(41,72,112,.13)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:radial-gradient(circle at top left,#174470 0,var(--bg) 42%,#050913 100%);color:var(--text);line-height:1.65}a{color:inherit;text-decoration:none}.site-header{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:16px;justify-content:space-between;padding:16px 5vw;background:color-mix(in srgb,var(--bg) 84%,transparent);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:20px}.logo{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand2),var(--accent));color:#06111f}.nav{display:flex;align-items:center;gap:18px;color:var(--muted);font-size:14px}.nav a:hover{color:var(--text)}.nav-cta{padding:10px 15px;border:1px solid var(--line);border-radius:999px;color:var(--text)!important}.nav-toggle,.theme-toggle{background:transparent;border:1px solid var(--line);color:var(--text);border-radius:12px;padding:9px 12px}.nav-toggle{display:none}.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;padding:92px 5vw 64px;align-items:center}.eyebrow{color:var(--brand);font-weight:900;text-transform:uppercase;letter-spacing:.14em;font-size:12px}.hero h1,.page-hero h1,.article-hero h1{font-size:clamp(42px,7vw,78px);line-height:.98;margin:12px 0 22px;letter-spacing:-.065em}.hero-text,.page-hero p,.article-hero p{font-size:20px;color:var(--muted);max-width:850px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:34px 0}.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 20px;border-radius:14px;font-weight:900}.btn.primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#06111f}.btn.secondary{border:1px solid var(--line);color:var(--text)}.trust-row{display:flex;flex-wrap:wrap;gap:10px}.trust-row span,.tag{border:1px solid var(--line);border-radius:999px;padding:8px 12px;color:var(--muted);font-size:13px}.hero-card,.card,.post-card,.contact-box,.article,.resource-item,.search-box,.table-wrap{background:linear-gradient(180deg,color-mix(in srgb,var(--panel) 94%,white 6%),color-mix(in srgb,var(--panel) 90%,black 10%));border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow)}.hero-card{padding:32px}.hero-card li{margin:13px 0;color:var(--muted)}.section{padding:72px 5vw}.section-head{max-width:860px;margin-bottom:28px}.section h2,.cta h2{font-size:clamp(30px,4vw,50px);line-height:1.08;letter-spacing:-.045em;margin:8px 0 18px}.cards{display:grid;gap:18px}.cards.three{grid-template-columns:repeat(3,1fr)}.cards.two{grid-template-columns:repeat(2,1fr)}.card,.post-card{padding:28px}.card p,.section p,.post-card p,.cta p,.article p,.article li,.resource-item p{color:var(--muted)}.split{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.stats div{padding:24px;border-radius:22px;background:color-mix(in srgb,var(--panel2) 86%,transparent);border:1px solid var(--line)}.stats strong{display:block;font-size:30px}.stats span{color:var(--muted);font-size:14px}.dark-panel{margin:30px 5vw;padding:50px;border-radius:34px;background:rgba(0,0,0,.18);border:1px solid var(--line)}.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.post-card{display:block;transition:.2s transform}.post-card:hover{transform:translateY(-4px)}.post-card span{color:var(--brand);font-size:13px;font-weight:900}.cta{text-align:center;padding:80px 5vw}.cta p{max-width:680px;margin:0 auto 24px}.footer{padding:28px 5vw;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:14px}.page-hero,.article-hero{padding:74px 5vw 28px;max-width:1100px}.content{padding:30px 5vw 80px}.article{max-width:920px;margin:auto;padding:44px}.article h2{margin-top:38px}.breadcrumbs{color:var(--muted);font-size:14px;margin-bottom:22px}.notice{margin-top:30px;padding:18px;border:1px solid var(--line);border-radius:18px;background:color-mix(in srgb,var(--brand) 12%,transparent)}.contact-box{max-width:780px;padding:34px}.input,textarea,select{width:100%;padding:14px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.06);color:var(--text);margin:8px 0 16px}.resource-list{display:grid;gap:14px;max-width:980px}.resource-item{padding:22px}.search-box{padding:24px;margin-bottom:24px}.kb-results{display:grid;gap:12px}.table-wrap{overflow:auto;padding:10px}table{width:100%;border-collapse:collapse}td,th{padding:14px;border-bottom:1px solid var(--line);text-align:left;color:var(--muted)}th{color:var(--text)}code{background:rgba(255,255,255,.08);padding:2px 6px;border-radius:8px}@media(max-width:980px){.nav{display:none;position:absolute;top:72px;left:0;right:0;flex-direction:column;align-items:flex-start;padding:20px 5vw;background:var(--bg)}.nav.open{display:flex}.nav-toggle{display:block}.hero,.split,.cards.three,.cards.two,.post-grid,.stats{grid-template-columns:1fr}.hero{padding-top:55px}.footer{flex-direction:column}.article{padding:24px}.dark-panel{margin:20px 4vw}.theme-toggle{margin-left:auto}}

/* Documentation portal expansion */
.portal-hero{padding:70px 5vw 30px;max-width:1250px}.portal-hero h1{font-size:clamp(42px,7vw,76px);line-height:1;letter-spacing:-.06em;margin:10px 0 20px}.portal-hero p{max-width:880px;color:var(--muted);font-size:19px}.portal-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:24px;padding:22px 5vw 80px}.docs-sidebar{position:sticky;top:88px;align-self:start;padding:20px;border:1px solid var(--line);border-radius:24px;background:var(--panel);max-height:calc(100vh - 110px);overflow:auto}.docs-sidebar h3{margin:0 0 12px}.docs-sidebar a{display:block;padding:9px 11px;border-radius:10px;color:var(--muted);font-size:14px}.docs-sidebar a:hover,.docs-sidebar a.active{background:var(--panel2);color:var(--text)}.docs-main{min-width:0}.topic-grid,.tool-grid,.example-grid,.handbook-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.topic-card,.tool-card,.example-card,.chapter-card{display:block;padding:23px;border:1px solid var(--line);border-radius:22px;background:var(--panel);transition:.2s transform,.2s border-color}.topic-card:hover,.tool-card:hover,.example-card:hover,.chapter-card:hover{transform:translateY(-3px);border-color:var(--brand)}.topic-card .icon,.tool-card .icon{font-size:25px}.topic-card h3,.tool-card h3,.example-card h3,.chapter-card h3{margin:12px 0 7px}.topic-card p,.tool-card p,.example-card p,.chapter-card p{margin:0;color:var(--muted);font-size:14px}.count-badge{display:inline-block;margin-top:14px;padding:5px 9px;border-radius:999px;background:color-mix(in srgb,var(--brand) 12%,transparent);color:var(--brand);font-size:12px;font-weight:800}.doc-shell{display:grid;grid-template-columns:250px minmax(0,900px) 210px;gap:26px;padding:36px 5vw 80px;align-items:start}.doc-nav,.doc-toc{position:sticky;top:90px;padding:18px;border:1px solid var(--line);border-radius:20px;background:var(--panel)}.doc-nav a,.doc-toc a{display:block;padding:7px 8px;color:var(--muted);font-size:13px;border-radius:8px}.doc-nav a:hover,.doc-toc a:hover{color:var(--text);background:var(--panel2)}.doc-article{min-width:0;padding:34px;border:1px solid var(--line);border-radius:26px;background:var(--panel);box-shadow:var(--shadow)}.doc-article h1{font-size:clamp(34px,5vw,55px);line-height:1.04;letter-spacing:-.05em}.doc-article h2{margin-top:38px;scroll-margin-top:100px}.doc-article p,.doc-article li{color:var(--muted)}.doc-meta{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0 26px}.doc-meta span{padding:6px 9px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:12px}.code-block{position:relative;margin:18px 0;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#06101c}.code-block pre{margin:0;padding:46px 18px 18px;overflow:auto;color:#d9ecff;font:13px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace;white-space:pre-wrap}.copy-code{position:absolute;right:9px;top:9px;padding:6px 9px;border:1px solid #31425b;border-radius:8px;background:#122035;color:#d9ecff;cursor:pointer}.callout{padding:17px 18px;margin:20px 0;border-left:4px solid var(--brand);border-radius:12px;background:color-mix(in srgb,var(--brand) 9%,transparent)}.callout.warning{border-left-color:#f59e0b;background:rgba(245,158,11,.09)}.tool-workspace{padding:28px;border:1px solid var(--line);border-radius:24px;background:var(--panel)}.tool-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field label{display:block;margin-bottom:6px;font-size:13px;font-weight:800}.field input,.field select,.field textarea{margin:0}.field.full{grid-column:1/-1}.tool-output{margin-top:20px;padding:18px;border:1px solid var(--line);border-radius:16px;background:var(--bg2);white-space:pre-wrap;overflow-wrap:anywhere}.tool-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.mini-nav{display:flex;gap:9px;flex-wrap:wrap;margin:20px 0}.mini-nav a{padding:8px 11px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:13px}.search-overlay{position:fixed;inset:0;z-index:100;display:none;padding:8vh 18px;background:rgba(0,0,0,.7);backdrop-filter:blur(8px)}.search-overlay.open{display:block}.search-modal{max-width:800px;margin:auto;padding:20px;border:1px solid var(--line);border-radius:24px;background:var(--panel);box-shadow:var(--shadow)}.search-modal input{width:100%;padding:16px;border:1px solid var(--line);border-radius:14px;background:var(--bg2);color:var(--text)}.global-results{max-height:60vh;overflow:auto;margin-top:12px}.global-results a{display:block;padding:13px;border-radius:12px}.global-results a:hover{background:var(--panel2)}.global-results small{display:block;color:var(--muted)}.search-launch{border:1px solid var(--line);border-radius:12px;padding:9px 12px;background:transparent;color:var(--muted);cursor:pointer}.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:28px 0}.stat-strip div{padding:18px;border:1px solid var(--line);border-radius:18px;background:var(--panel)}.stat-strip strong{display:block;font-size:27px}.stat-strip span{color:var(--muted);font-size:13px}.section-anchor{scroll-margin-top:100px}.related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:25px}.related-grid a{padding:15px;border:1px solid var(--line);border-radius:14px;color:var(--muted)}
@media(max-width:1150px){.doc-shell{grid-template-columns:220px minmax(0,1fr)}.doc-toc{display:none}.topic-grid,.tool-grid,.example-grid,.handbook-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:850px){.portal-layout,.doc-shell{grid-template-columns:1fr}.docs-sidebar,.doc-nav{position:relative;top:auto;max-height:none}.topic-grid,.tool-grid,.example-grid,.handbook-grid,.tool-form,.stat-strip{grid-template-columns:1fr}.doc-article{padding:22px}.related-grid{grid-template-columns:1fr}.search-launch{display:none}}

/* v2.0 release additions */
.lead{font-size:1.18rem;max-width:780px}.search-head{display:flex;justify-content:space-between;align-items:center;gap:12px}.version-ribbon{display:inline-flex;gap:8px;align-items:center;border:1px solid var(--line);border-radius:999px;padding:7px 12px;color:var(--brand);font-weight:800}.release-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.release-stat{padding:20px;border:1px solid var(--line);border-radius:20px;background:var(--panel)}.release-stat strong{display:block;font-size:30px}.release-stat span{color:var(--muted);font-size:13px}.doc-list{display:grid;gap:10px}.doc-list a{display:flex;justify-content:space-between;gap:15px;padding:15px 17px;border:1px solid var(--line);border-radius:14px;background:var(--panel)}.doc-list a:hover{border-color:var(--brand)}.doc-list small{color:var(--muted)}.checklist{list-style:none;padding:0}.checklist li{position:relative;padding-left:30px;margin:10px 0}.checklist li:before{content:"✓";position:absolute;left:0;color:var(--brand);font-weight:900}.steps{counter-reset:step;list-style:none;padding:0}.steps li{counter-increment:step;position:relative;padding:0 0 22px 48px}.steps li:before{content:counter(step);position:absolute;left:0;top:0;width:32px;height:32px;display:grid;place-items:center;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#06111f;font-weight:900}.compat-table td:first-child{font-weight:800;color:var(--text)}.badge-good,.badge-check,.badge-risk{display:inline-block;padding:4px 8px;border-radius:999px;font-size:11px;font-weight:900}.badge-good{background:rgba(34,197,94,.15);color:#86efac}.badge-check{background:rgba(96,165,250,.15);color:#93c5fd}.badge-risk{background:rgba(245,158,11,.15);color:#fcd34d}.footer-note{font-size:13px;color:var(--muted);border-top:1px solid var(--line);margin-top:34px;padding-top:20px}.hero-release{padding:84px 5vw 44px}.hero-release h1{font-size:clamp(44px,7vw,82px);line-height:.95;letter-spacing:-.065em;max-width:1050px}.hero-release p{font-size:20px;color:var(--muted);max-width:880px}@media(max-width:900px){.release-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:560px){.release-grid{grid-template-columns:1fr}}

/* v2.1.2 */
.diagram-frame{padding:18px;border:1px solid var(--line);border-radius:24px;background:#07111f;overflow:auto}.diagram-frame img{display:block;width:100%;min-width:760px;height:auto}.decision-tree{display:grid;justify-items:center;gap:8px;margin:24px 0}.decision-node{width:min(100%,680px);padding:16px 18px;text-align:center;border:1px solid var(--line);border-radius:16px;background:var(--bg2)}.decision-arrow{font-size:24px;color:var(--brand2)}

/* v2.1.3 enterprise + labs */
.route-viz{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;padding:28px;border:1px solid var(--line);border-radius:20px;background:var(--bg2)}.route-node{padding:16px 20px;border:1px solid var(--brand2);border-radius:14px;background:var(--surface);font-weight:700}.route-arrow{font-size:28px;color:var(--brand2)}.tool-form label:has(input[type=checkbox]){display:block;padding:12px;border:1px solid var(--line);border-radius:12px;margin:8px 0}.hero-release .btn{margin-right:8px}

/* v2.2 Engineering Suite */
.lab-layout{display:grid;grid-template-columns:minmax(280px,.9fr) minmax(360px,1.1fr);gap:22px}.lab-panel{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow)}.lab-output-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.lab-output{min-height:360px;max-height:680px;overflow:auto;white-space:pre-wrap;background:#050b14;color:#d7e8fa;border:1px solid #243b55;border-radius:14px;padding:18px}.tool-form label{display:block;margin:0 0 14px;font-weight:650}.tool-form input:not([type=checkbox]),.tool-form textarea,.tool-form select{display:block;width:100%;box-sizing:border-box;margin-top:7px;padding:11px 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg2);color:var(--text)}.tool-form input[type=checkbox]{margin-right:8px}.tool-form .btn{margin-right:8px;margin-top:8px}@media(max-width:900px){.lab-layout{grid-template-columns:1fr}.lab-output{min-height:280px}}


/* v2.8 portal experience and Labs 3.0 */
.hero-v28{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(320px,.75fr);gap:42px;align-items:center;padding:92px 5vw 58px}.hero-v28 h1{font-size:clamp(50px,8vw,92px);line-height:.92;letter-spacing:-.075em;margin:18px 0 24px;max-width:1050px}.hero-v28>div>p{font-size:20px;color:var(--muted);max-width:850px}.hero-search{display:flex;align-items:center;gap:12px;max-width:820px;margin:30px 0 0;padding:8px 12px;border:1px solid color-mix(in srgb,var(--brand) 45%,var(--line));border-radius:18px;background:color-mix(in srgb,var(--panel) 86%,transparent);box-shadow:var(--shadow)}.hero-search input{flex:1;border:0;outline:0;background:transparent;color:var(--text);font-size:16px;padding:10px}.hero-search kbd,.hero-search-results kbd{color:var(--muted)}.home-search-results{display:none;position:absolute;z-index:20;width:min(760px,86vw);max-height:380px;overflow:auto;border:1px solid var(--line);border-radius:16px;background:var(--panel);box-shadow:var(--shadow)}.home-search-results.open{display:block}.home-search-results a{display:block;padding:13px 16px;border-bottom:1px solid var(--line)}.home-search-results a:hover{background:var(--panel2)}.home-search-results small{display:block;color:var(--muted)}.hero-console{border:1px solid var(--line);border-radius:22px;background:#050b14;box-shadow:var(--shadow);overflow:hidden;transform:rotate(1deg)}.console-head{display:flex;align-items:center;gap:7px;padding:13px 16px;border-bottom:1px solid #243b55;color:#8ca7c2;font-size:12px}.console-head span{width:10px;height:10px;border-radius:50%;background:#36516d}.console-head b{margin-left:auto}.hero-console pre{margin:0;padding:26px;color:#b8f7e8;line-height:1.9}.hero-console>a{display:block;padding:15px 24px;border-top:1px solid #243b55;color:#93c5fd}.trust-strip{display:flex;justify-content:center;gap:34px;flex-wrap:wrap;padding:18px 5vw;border-block:1px solid var(--line);color:var(--muted);font-weight:800;font-size:13px;letter-spacing:.04em}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px}.section-heading h2{margin:.2rem 0 0}.section-heading>a{color:var(--brand2);font-weight:800}.featured-card span,.lab-card span{display:inline-block;color:var(--brand);font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.12em}.lab-catalog{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.lab-card{display:block;padding:22px;border:1px solid var(--line);border-radius:20px;background:var(--panel);transition:.2s transform,.2s border-color}.lab-card:hover{transform:translateY(-3px);border-color:var(--brand2)}.lab-card h3{margin:10px 0 6px}.lab-card p{color:var(--muted);min-height:52px}.lab-card b{color:var(--brand2);font-size:13px}.search-filters{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.search-filters button{padding:7px 10px;border:1px solid var(--line);border-radius:999px;background:transparent;color:var(--muted);cursor:pointer}.search-filters button.active{background:var(--panel2);color:var(--text);border-color:var(--brand2)}
@media(max-width:1000px){.hero-v28{grid-template-columns:1fr}.hero-console{transform:none}.lab-catalog{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:650px){.hero-v28{padding-top:55px}.hero-v28 h1{font-size:48px}.hero-search kbd{display:none}.section-heading{align-items:start;flex-direction:column}.lab-catalog{grid-template-columns:1fr}}

/* v2.9 SMTP operations */
.doc-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:32px;max-width:1180px;margin:0 auto;padding:20px 5vw 70px}.doc-toc{position:sticky;top:90px;align-self:start;display:grid;gap:8px;padding:18px;border:1px solid var(--line);border-radius:16px;background:var(--panel)}.doc-toc a{font-size:14px;color:var(--muted)}.doc-content{min-width:0}.doc-section{padding:4px 0 24px;border-bottom:1px solid var(--line)}.doc-section li{margin:.45rem 0}.tool-shell{max-width:900px;padding:24px;border:1px solid var(--line);border-radius:20px;background:var(--panel)}.tool-shell label{display:grid;gap:8px;font-weight:700}.tool-shell input{padding:12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--text)}.grid-form{display:grid;gap:16px}.grid-form pre{white-space:pre-wrap;padding:18px;border-radius:14px;background:#050b14;color:#b8f7e8}.lab-results{display:grid;gap:12px;margin-top:18px}.response-card{padding:18px;border:1px solid var(--line);border-radius:16px;background:var(--panel2)}.response-card>div{display:flex;justify-content:space-between;gap:12px}.response-card small{color:var(--muted)}.status-pill{padding:4px 9px;border-radius:999px;font-size:11px;text-transform:uppercase}.status-pill.temporary{background:rgba(245,158,11,.15);color:#fbbf24}.status-pill.permanent{background:rgba(239,68,68,.15);color:#f87171}@media(max-width:800px){.doc-layout{grid-template-columns:1fr}.doc-toc{position:static}}

/* v3.1 content expansion */
.cards.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card img{width:100%;height:auto;border-radius:12px;margin-top:12px}.code-toolbar{display:flex;gap:10px;justify-content:flex-end;margin-bottom:10px}.section pre{overflow:auto;padding:22px;border:1px solid var(--line);border-radius:16px;background:#050b14;color:#c8f7e9}.release-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin:25px 0}.release-stat{padding:22px;border:1px solid var(--line);border-radius:16px;background:var(--panel);display:grid;gap:5px}.release-stat strong{font-size:34px}.release-stat span{color:var(--muted)}@media(max-width:800px){.cards.two,.release-grid{grid-template-columns:1fr}}

/* v3.4 SMTP Error Encyclopedia */
.smtp-response-box{padding:1.25rem;border:1px solid var(--border);border-radius:14px;background:rgba(15,23,42,.55);margin:1rem 0}.smtp-response-box span{display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:.6rem}.smtp-response-box code{white-space:pre-wrap;font-size:1rem}.status-row{display:flex;flex-wrap:wrap;gap:.55rem;margin:1rem 0}.status-pill{display:inline-flex;padding:.3rem .65rem;border:1px solid var(--border);border-radius:999px;font-size:.78rem}.status-pill.temporary{border-color:#d97706}.status-pill.permanent{border-color:#dc2626}.status-pill.success{border-color:#16a34a}.status-pill.info{border-color:#2563eb}.encyclopedia-controls{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:.75rem;margin:1rem 0}.encyclopedia-controls input,.encyclopedia-controls select{width:100%}.smtp-entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin-top:1rem}.smtp-entry-card{display:block;padding:1rem;border:1px solid var(--border);border-radius:14px;background:var(--surface);text-decoration:none;color:inherit}.smtp-entry-card:hover{transform:translateY(-2px);border-color:var(--accent)}.smtp-entry-card>div{display:flex;justify-content:space-between;gap:.75rem}.smtp-entry-card code{display:block;white-space:normal;color:var(--muted);font-size:.82rem;margin-top:.75rem}@media(max-width:850px){.encyclopedia-controls{grid-template-columns:1fr}.smtp-entry-grid{grid-template-columns:1fr}}

/* v3.5 icon search launcher */
.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.search-launch{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;padding:0;border:1px solid var(--line);border-radius:12px;background:transparent;color:var(--text);cursor:pointer;transition:background .18s ease,border-color .18s ease,transform .18s ease}
.search-launch:hover{background:var(--panel2);border-color:var(--brand);transform:translateY(-1px)}
.search-launch:focus-visible{outline:3px solid color-mix(in srgb,var(--brand) 42%,transparent);outline-offset:2px}
.search-icon{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.hero-search-launch{flex:0 0 40px;width:40px;height:40px;margin-left:auto;border-radius:10px}
.search-overlay[aria-hidden="false"]{display:block}
body.search-open{overflow:hidden}
@media(max-width:850px){.site-header>.search-launch{display:inline-flex}.hero-search-launch{display:inline-flex}}

/* v3.6 deliverability toolkit */
.lab-output{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;line-height:1.6}.lab-card span{display:inline-block;padding:5px 9px;border-radius:999px;background:color-mix(in srgb,var(--brand) 12%,transparent);color:var(--brand);font-size:11px;font-weight:800}.lab-card b{display:block;margin-top:14px;color:var(--brand)}