diff --git a/pkg/controlplane/portal.go b/pkg/controlplane/portal.go
index c512673..6c62170 100644
--- a/pkg/controlplane/portal.go
+++ b/pkg/controlplane/portal.go
@@ -21,7 +21,7 @@ func (server *Server) renderPortal(response http.ResponseWriter, status int, vie
 const portalHTML = `<!doctype html>
 <html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1">
 <title>CloudRING · Development provider</title><link rel="stylesheet" href="/assets/portal.css"></head>
-<body><main><header><a class="brand" href="/" aria-label="CloudRING home"><span class="ring" aria-hidden="true"></span>CloudRING</a><span class="badge">Development</span></header>
+<body><main><header><a class="brand" href="/" aria-label="CloudRING home"><svg class="ring" viewBox="0 0 28 28" aria-hidden="true"><circle cx="14" cy="14" r="10.5" fill="none" stroke="#1C3F8F" stroke-width="2.2"/><circle cx="14" cy="14" r="5" fill="none" stroke="#1C3F8F" stroke-width="1.4" stroke-dasharray="2.4 2.4"/><circle cx="22.5" cy="8.5" r="2.2" fill="#985000"/></svg><span><span class="kicker">TRUKHIN</span><span class="hash">#</span>CloudRING</span></a><span class="badge">OCSv3 Workspace</span></header>
 {{if .Unavailable}}<section class="card"><p class="eyebrow">Provider unavailable</p><h1>Waiting for durable state</h1><p>The database or installation identity could not be verified. Retry after the installation is healthy.</p><a class="button" href="/">Check again</a></section>
 {{else if .Provider}}<section class="intro"><p class="eyebrow">Your development provider</p><h1>A place to build.</h1><p>This isolated installation is ready for integration work.</p></section>
 <section class="card"><div class="card-heading"><h2>Installation</h2><span class="ready">Ready</span></div><dl><div><dt>Installation</dt><dd>{{.Provider.InstallationID}}</dd></div><div><dt>Operator</dt><dd>{{.Provider.OperatorID}}</dd></div><div><dt>Created</dt><dd><time>{{.Provider.CreatedAt.Format "02 Jan 2006, 15:04 UTC"}}</time></dd></div><div><dt>Database</dt><dd>Connected · writable</dd></div></dl></section>
@@ -30,4 +30,4 @@ const portalHTML = `<!doctype html>
 {{else}}<section class="intro"><p class="eyebrow">Your development provider</p><h1>Start with a clean slate.</h1><p>Sign in to inspect this isolated CloudRING installation.</p></section><section class="card login"><h2>Development operator</h2><p>Use the access key created for this installation.</p>{{if .AuthenticationFailed}}<p class="error" role="alert">The access key or session is invalid. Please sign in again.</p>{{end}}<form method="post" action="/login"><label for="token">Development access key</label><input id="token" name="token" type="password" autocomplete="off" required minlength="64" maxlength="64" pattern="[a-f0-9]{64}" spellcheck="false"><button class="button" type="submit">Sign in</button></form></section><footer><p>Development environment · Production use is not supported.</p></footer>{{end}}
 </main></body></html>`
 
-const portalCSS = `:root{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#172b31;background:#f5f7f5;font-synthesis:none;color-scheme:light}*{box-sizing:border-box}body{margin:0}main{max-width:880px;margin:auto;padding:34px 28px 48px}header{display:flex;align-items:center;justify-content:space-between;padding-bottom:36px;border-bottom:1px solid #dce3dd}.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none;font-size:23px;font-weight:750;letter-spacing:-.7px}.ring{height:27px;width:27px;border:6px solid #147d62;border-radius:50%;box-shadow:inset 0 0 0 3px #f5f7f5}.badge{font-size:12px;font-weight:650;color:#7b571b;background:#f6ebd4;border:1px solid #e9d6b0;border-radius:6px;padding:6px 10px}.intro{padding:44px 0 26px}.eyebrow{text-transform:uppercase;font-size:11px;font-weight:750;letter-spacing:1.6px;color:#4d6b62}h1{font-size:42px;letter-spacing:-1.6px;line-height:1.12;margin:14px 0 15px;font-weight:680}p{font-size:15px;line-height:1.65;color:#52666a}h2{font-size:17px;font-weight:680;margin:0}.card{background:#fff;border:1px solid #dce3dd;border-radius:12px;padding:28px;margin-top:20px}.card-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.ready{font-size:12px;color:#116645;background:#e6f4e9;border-radius:30px;padding:5px 11px}.ready:before{content:"";display:inline-block;border-radius:50%;background:#23855c;width:6px;height:6px;margin-right:7px}dl{margin:25px 0 0}dl div{display:grid;grid-template-columns:140px 1fr;gap:18px;padding:12px 0;border-top:1px solid #eef1ed}dt{font-size:13px;color:#667b7e}dd{font-size:13px;margin:0;overflow-wrap:anywhere}.empty{text-align:center;padding:36px 30px}.empty p{max-width:360px;margin:10px auto 0;font-size:14px}.empty-mark{width:36px;height:36px;display:grid;place-items:center;margin:0 auto 16px;font-size:22px;color:#6d8278;background:#f1f5f0;border:1px solid #e1e9df;border-radius:9px}footer{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:24px}footer p{font-size:12px;color:#70807b}.text-button{background:none;color:#365b50;border:0;font:inherit;font-size:13px;text-decoration:underline;cursor:pointer}.login{max-width:520px;margin-top:4px}.login p{font-size:14px;margin:12px 0 24px}label{display:block;font-size:13px;font-weight:600;margin:0 0 9px}input[type=password]{display:block;width:100%;height:44px;border:1px solid #bbc9c0;border-radius:7px;padding:10px 12px;font:inherit;margin-bottom:20px;outline:none}input:focus{border-color:#147d62;box-shadow:0 0 0 3px #147d6220}.button{display:inline-block;border:0;border-radius:7px;background:#147d62;color:white;font:inherit;font-size:14px;font-weight:650;padding:12px 22px;text-decoration:none;cursor:pointer}.button:hover{background:#0e6850}.button:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid #72b8a4;outline-offset:3px}.error{color:#a23030!important;background:#fff2ef;padding:12px;border:1px solid #f3d3cc;border-radius:6px}@media(max-width:560px){main{padding:24px 18px}h1{font-size:34px}.card{padding:22px}dl div{grid-template-columns:1fr;gap:5px}footer{align-items:flex-start;flex-direction:column;gap:0}header{padding-bottom:25px}.intro{padding-top:30px}}`
+const portalCSS = `:root{--paper:#EDF1F6;--paper-elevated:#F6F8FB;--paper-deep:#E3E9F2;--ink:#14213A;--ink-2:#334463;--ink-muted:#536482;--prussian:#1C3F8F;--prussian-deep:#102B63;--signal:#985000;--ok:#24653F;--rule:#D5DCE8;--rule-strong:#BCC7DA;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none;color-scheme:light}*{box-sizing:border-box}body{margin:0;background-image:linear-gradient(to right,var(--rule) 1px,transparent 1px),linear-gradient(to bottom,var(--rule) 1px,transparent 1px);background-size:32px 32px}main{max-width:880px;margin:auto;padding:34px 28px 48px}header{display:flex;align-items:center;justify-content:space-between;padding-bottom:36px;border-bottom:1px solid var(--rule-strong)}.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none;font-family:"DIN Alternate","Franklin Gothic Medium","Avenir Next Condensed",sans-serif;font-size:22px;font-weight:750;letter-spacing:-.4px}.kicker{display:block;font-family:"SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;font-size:10px;letter-spacing:.14em;color:var(--ink-muted)}.hash{color:var(--prussian)}.ring{height:28px;width:28px;flex:none}.badge{font-family:"SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;font-size:12px;font-weight:650;color:var(--prussian);background:#E6EEF9;border:1px solid var(--rule-strong);border-radius:6px;padding:6px 10px}.intro{padding:44px 0 26px}.eyebrow{text-transform:uppercase;font-family:"SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;font-size:11px;font-weight:750;letter-spacing:1.6px;color:var(--signal)}h1{font-family:"DIN Alternate","Franklin Gothic Medium","Avenir Next Condensed",sans-serif;font-size:42px;letter-spacing:-1.2px;line-height:1.08;margin:14px 0 15px;font-weight:700}p{font-size:15px;line-height:1.65;color:var(--ink-2)}h2{font-size:17px;font-weight:680;margin:0}.card{background:var(--paper-elevated);border:1px solid var(--rule-strong);border-radius:8px;padding:28px;margin-top:20px;box-shadow:0 1px 2px rgba(20,33,58,.06),0 12px 32px rgba(20,33,58,.07)}.card-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.ready{font-size:12px;font-weight:650;color:var(--ok);background:#E6F3EC;border-radius:30px;padding:5px 11px}.ready:before{content:"";display:inline-block;border-radius:50%;background:var(--ok);width:6px;height:6px;margin-right:7px}dl{margin:25px 0 0}dl div{display:grid;grid-template-columns:140px 1fr;gap:18px;padding:12px 0;border-top:1px solid var(--rule)}dt{font-size:13px;color:var(--ink-muted)}dd{font-family:"SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;font-size:13px;margin:0;overflow-wrap:anywhere}.empty{text-align:center;padding:36px 30px}.empty p{max-width:360px;margin:10px auto 0;font-size:14px}.empty-mark{width:36px;height:36px;display:grid;place-items:center;margin:0 auto 16px;font-size:22px;color:var(--prussian);background:var(--paper-deep);border:1px solid var(--rule-strong);border-radius:8px}footer{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:24px}footer p{font-size:12px;color:var(--ink-muted)}.text-button{background:none;color:var(--prussian);border:0;font:inherit;font-size:13px;text-decoration:underline;cursor:pointer}.login{max-width:520px;margin-top:4px;border-left:3px solid var(--prussian)}.login p{font-size:14px;margin:12px 0 24px}label{display:block;font-size:13px;font-weight:600;margin:0 0 9px}input[type=password]{display:block;width:100%;height:44px;border:1px solid var(--rule-strong);border-radius:6px;background:#fff;padding:10px 12px;font:inherit;margin-bottom:20px;outline:none}input:focus{border-color:var(--prussian);box-shadow:0 0 0 3px rgba(28,63,143,.22)}.button{display:inline-block;border:0;border-radius:6px;background:var(--prussian);color:#fff;font:inherit;font-size:14px;font-weight:650;padding:12px 22px;text-decoration:none;cursor:pointer}.button:hover{background:var(--prussian-deep)}.button:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid rgba(28,63,143,.35);outline-offset:3px}.error{color:#A93126!important;background:#FDECEA;padding:12px;border:1px solid #F3D3CC;border-radius:6px}@media(max-width:560px){main{padding:24px 18px}h1{font-size:34px}.card{padding:22px}dl div{grid-template-columns:1fr;gap:5px}footer{align-items:flex-start;flex-direction:column;gap:0}header{padding-bottom:25px}.intro{padding-top:30px}}`