diff --git a/cmd/creator-web/static/assets/console.css b/cmd/creator-web/static/assets/console.css
index 6fe659a..ab3858f 100644
--- a/cmd/creator-web/static/assets/console.css
+++ b/cmd/creator-web/static/assets/console.css
@@ -1,12 +1,12 @@
 :root {
-  --ink: #e9eee7;
-  --muted: #8c9a91;
-  --faint: #58645d;
-  --base: #0b100e;
-  --panel: #101714;
-  --panel-high: #151e1a;
-  --line: #2a352f;
-  --line-soft: #1d2822;
+  --ink: #eef2ec;
+  --muted: #a7b2aa;
+  --faint: #718078;
+  --base: #0f1512;
+  --panel: #17201b;
+  --panel-high: #202b25;
+  --line: #34423a;
+  --line-soft: #26332c;
   --signal: #c9a85f;
   --signal-bright: #e7c97b;
   --good: #78c6a3;
@@ -22,12 +22,12 @@
 * { box-sizing: border-box; }
 [hidden] { display: none !important; }
 html { background: var(--base); color: var(--ink); font-family: var(--sans); }
-body { margin: 0; min-width: 320px; min-height: 100vh; background: radial-gradient(circle at 73% -10%, rgba(83, 123, 101, .15), transparent 38%), var(--base); }
+body { margin: 0; min-width: 320px; min-height: 100vh; background: radial-gradient(circle at 73% -10%, rgba(83, 123, 101, .13), transparent 38%), var(--base); }
 button, input, textarea { font: inherit; }
 button { color: inherit; }
 button:focus-visible, input:focus-visible, textarea:focus-visible { outline: 2px solid var(--signal-bright); outline-offset: 3px; }
 
-.grain { position: fixed; inset: 0; pointer-events: none; opacity: .18; z-index: 10; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.16'/%3E%3C/svg%3E"); }
+.grain { position: fixed; inset: 0; pointer-events: none; opacity: .045; z-index: 10; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.16'/%3E%3C/svg%3E"); }
 .eyebrow, .rail-index { margin: 0 0 12px; color: var(--signal); font: 600 11px/1 var(--mono); letter-spacing: .18em; text-transform: uppercase; }
 
 .login-shell { min-height: 100vh; display: grid; place-items: center; padding: 32px 20px; position: relative; overflow: hidden; }
@@ -90,9 +90,9 @@ button:focus-visible, input:focus-visible, textarea:focus-visible { outline: 2px
 .session-stamp span { margin-top: 8px; color: var(--faint); font: 9px/1 var(--mono); letter-spacing: .14em; }
 .session-stamp strong { overflow: hidden; color: var(--muted); font: 10px/1.4 var(--mono); text-overflow: ellipsis; }
 
-.workspace { grid-column: 2; grid-row: 2; padding: clamp(28px, 4vw, 58px); min-width: 0; }
+.workspace { grid-column: 2; grid-row: 2; width: min(100%, 1740px); justify-self: start; padding: 42px clamp(24px, 3vw, 48px) 64px; min-width: 0; }
 .workspace-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 34px; }
-.workspace-head h1 { margin: 0; font: 400 clamp(36px, 5vw, 58px)/1 var(--serif); letter-spacing: -.035em; }
+.workspace-head h1 { margin: 0; font: 400 clamp(34px, 4vw, 50px)/1 var(--serif); letter-spacing: -.035em; }
 .last-update { color: var(--faint); font: 10px/1.4 var(--mono); text-align: right; }
 .signal-strip { display: grid; grid-template-columns: repeat(4, 1fr); margin-bottom: 18px; border: 1px solid var(--line); background: var(--panel); }
 .signal-strip div { padding: 16px 18px; display: flex; align-items: center; justify-content: space-between; gap: 12px; border-right: 1px solid var(--line); }
diff --git a/cmd/creator-web/static/assets/console.js b/cmd/creator-web/static/assets/console.js
index 3eb6830..8e88043 100644
--- a/cmd/creator-web/static/assets/console.js
+++ b/cmd/creator-web/static/assets/console.js
@@ -65,7 +65,9 @@ async function request(path, options = {}) {
   }
   if (!response.ok) {
     const detail = (await response.text()).trim();
-    throw new Error(detail || `Ошибка ${response.status}`);
+    const error = new Error(detail || `Ошибка ${response.status}`);
+    error.status = response.status;
+    throw error;
   }
   return response.json();
 }
@@ -335,8 +337,9 @@ async function runDiagnostics() {
     try {
       await run();
       return {label, key, state: "ok", detail: `Ответ получен · ${Math.round(performance.now() - started)} мс`};
-    } catch (_) {
-      return {label, key, state: "error", detail: "Сервис или контекст недоступен"};
+    } catch (error) {
+      const detail = error?.status === 400 ? "Нужны параметры рабочего контекста" : error?.status === 401 ? "Сессия истекла" : error?.status >= 500 ? "Сервис временно недоступен" : "Проверка не пройдена";
+      return {label, key, state: "error", detail};
     }
   }));
   list.replaceChildren(...results.map((result) => createDiagnosticItem(result.label, result.key, result.state, result.detail)));