UX revamp: bespoke, accessible identities for every Aspire sample

samples/Metrics/MetricsApp.Client/Layout/MainLayout.razor

@@ -1,16 +1,29 @@
-@inherits LayoutComponentBase
-<div class="page">
-    <div class="sidebar">
+@inherits LayoutComponentBase
+
+<a class="skip-link" href="#main">Skip to main content</a>
+
+<div class="console">
+    <header class="appbar">
+        <a class="brand" href="">
+            <span class="brand__mark" aria-hidden="true">
+                <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.2" stroke-linecap="round" stroke-linejoin="round">
+                    <path d="M3 12h4l2-7 4 16 3-10 1.5 3H21" />
+                </svg>
+            </span>
+            <span class="brand__text">
+                <span class="brand__name">Telemetry Console</span>
+                <span class="brand__sub">Aspire · OpenTelemetry</span>
+            </span>
+        </a>
+
         <NavMenu />
-    </div>
 
-    <main>
-        <div class="top-row px-4">
-            <a href="https://learn.microsoft.com/aspnet/core/" target="_blank">About</a>
-        </div>
+        <span class="appbar__status chip" title="This app is emitting metrics">
+            <span class="dot" aria-hidden="true"></span> live
+        </span>
+    </header>
 
-        <article class="content px-4">
-            @Body
-        </article>
+    <main id="main" class="content" tabindex="-1">
+        @Body
     </main>
 </div>

samples/Metrics/MetricsApp.Client/Layout/MainLayout.razor.css

@@ -1,77 +1,64 @@
-.page {
-    position: relative;
+.console {
+    min-height: 100vh;
     display: flex;
     flex-direction: column;
 }
 
-main {
-    flex: 1;
-}
-
-.sidebar {
-    background-image: linear-gradient(180deg, rgb(5, 39, 103) 0%, #3a0647 70%);
-}
-
-.top-row {
-    background-color: #f7f7f7;
-    border-bottom: 1px solid #d6d5d5;
-    justify-content: flex-end;
-    height: 3.5rem;
+.appbar {
     display: flex;
     align-items: center;
+    gap: 1rem 1.25rem;
+    flex-wrap: wrap;
+    padding: 0.7rem clamp(1rem, 4vw, 2.5rem);
+    background: var(--surface);
+    border-bottom: 1px solid var(--border);
+    position: sticky;
+    top: 0;
+    z-index: 20;
+    box-shadow: var(--shadow);
 }
 
-    .top-row ::deep a, .top-row ::deep .btn-link {
-        white-space: nowrap;
-        margin-left: 1.5rem;
-        text-decoration: none;
-    }
-
-    .top-row ::deep a:hover, .top-row ::deep .btn-link:hover {
-        text-decoration: underline;
-    }
-
-    .top-row ::deep a:first-child {
-        overflow: hidden;
-        text-overflow: ellipsis;
-    }
-
-@media (max-width: 640.98px) {
-    .top-row {
-        justify-content: space-between;
-    }
-
-    .top-row ::deep a, .top-row ::deep .btn-link {
-        margin-left: 0;
-    }
+.brand {
+    display: inline-flex;
+    align-items: center;
+    gap: 0.65rem;
+    text-decoration: none;
+    color: var(--ink);
 }
+.brand:hover { text-decoration: none; }
 
-@media (min-width: 641px) {
-    .page {
-        flex-direction: row;
-    }
+.brand__mark {
+    width: 2.15rem;
+    height: 2.15rem;
+    display: grid;
+    place-items: center;
+    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
+    border-radius: 11px;
+    color: #fff;
+    box-shadow: var(--shadow);
+}
+.brand__mark svg { width: 1.35rem; height: 1.35rem; color: #c7f9ff; }
 
-    .sidebar {
-        width: 250px;
-        height: 100vh;
-        position: sticky;
-        top: 0;
-    }
+.brand__text { display: flex; flex-direction: column; line-height: 1.12; }
+.brand__name { font-weight: 700; font-size: 1.04rem; letter-spacing: -0.01em; }
+.brand__sub {
+    font-family: var(--font-mono);
+    font-size: 0.66rem;
+    letter-spacing: 0.12em;
+    text-transform: uppercase;
+    color: var(--ink-muted);
+}
 
-    .top-row {
-        position: sticky;
-        top: 0;
-        z-index: 1;
-    }
+.appbar__status { margin-left: auto; }
 
-    .top-row.auth ::deep a:first-child {
-        flex: 1;
-        text-align: right;
-        width: 0;
-    }
+.content {
+    flex: 1;
+    width: 100%;
+    max-width: 72rem;
+    margin: 0 auto;
+    padding: clamp(1.5rem, 4vw, 2.75rem) clamp(1rem, 4vw, 2.5rem) 3.5rem;
+}
 
-    .top-row, article {
-        padding-left: 2rem !important;
-        padding-right: 1.5rem !important;
-    }
+@media (max-width: 640px) {
+    .appbar__status { margin-left: 0; }
 }

samples/Metrics/MetricsApp.Client/Layout/NavMenu.razor

@@ -1,39 +1,25 @@
-<div class="top-row ps-3 navbar navbar-dark">
-    <div class="container-fluid">
-        <a class="navbar-brand" href="">Metrics sample</a>
-        <button title="Navigation menu" class="navbar-toggler" @onclick="ToggleNavMenu">
-            <span class="navbar-toggler-icon"></span>
-        </button>
-    </div>
-</div>
-
-<div class="@NavMenuCssClass nav-scrollable" @onclick="ToggleNavMenu">
-    <nav class="flex-column">
-        <div class="nav-item px-3">
-            <NavLink class="nav-link" href="" Match="NavLinkMatch.All">
-                <span class="bi bi-house-door-fill-nav-menu" aria-hidden="true"></span> Home
-            </NavLink>
-        </div>
-        <div class="nav-item px-3">
-            <NavLink class="nav-link" href="auth">
-                <span class="bi bi-lock-nav-menu" aria-hidden="true"></span> Auth Required
-            </NavLink>
-        </div>
-        <div class="nav-item px-3">
-            <NavLink class="nav-link" href="weather">
-                <span class="bi bi-list-nested-nav-menu" aria-hidden="true"></span> Weather
-            </NavLink>
-        </div>
-    </nav>
-</div>
-
-@code {
-    private bool collapseNavMenu = true;
-
-    private string? NavMenuCssClass => collapseNavMenu ? "collapse" : null;
-
-    private void ToggleNavMenu()
-    {
-        collapseNavMenu = !collapseNavMenu;
-    }
-}
+@*
+    Primary navigation rendered as horizontal "console tabs" in the app bar.
+    Each page deliberately exercises a different instrument so the sample
+    produces a spread of OpenTelemetry metrics.
+*@
+<nav class="topnav" aria-label="Primary">
+    <NavLink class="topnav__link" href="" Match="NavLinkMatch.All">
+        <svg class="icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">
+            <path d="M3 10.5 12 4l9 6.5" /><path d="M5 9.5V20h14V9.5" /><path d="M9.5 20v-5h5v5" />
+        </svg>
+        <span>Home</span>
+    </NavLink>
+    <NavLink class="topnav__link" href="weather">
+        <svg class="icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">
+            <path d="M3 13h3l2-4 3 8 2.5-6 1.5 2h6" />
+        </svg>
+        <span>Weather</span>
+    </NavLink>
+    <NavLink class="topnav__link" href="auth">
+        <svg class="icon" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">
+            <rect x="5" y="11" width="14" height="9" rx="2" /><path d="M8 11V8a4 4 0 0 1 8 0v3" />
+        </svg>
+        <span>Auth Required</span>
+    </NavLink>
+</nav>

samples/Metrics/MetricsApp.Client/Layout/NavMenu.razor.css

@@ -1,87 +1,33 @@
-.navbar-toggler {
-    background-color: rgba(255, 255, 255, 0.1);
+.topnav {
+    display: flex;
+    gap: 0.35rem;
+    flex-wrap: wrap;
+    align-items: center;
 }
 
-.top-row {
-    height: 3.5rem;
-    background-color: rgba(0,0,0,0.4);
+.topnav__link {
+    display: inline-flex;
+    align-items: center;
+    gap: 0.5rem;
+    padding: 0.5rem 0.85rem;
+    border-radius: 999px;
+    color: var(--ink-soft);
+    text-decoration: none;
+    font-weight: 600;
+    font-size: 0.92rem;
+    border: 1px solid transparent;
+    transition: background-color 0.12s ease, color 0.12s ease, border-color 0.12s ease;
 }
 
-.navbar-brand {
-    font-size: 1.1rem;
+.topnav__link:hover {
+    background: var(--surface-2);
+    color: var(--ink);
+    text-decoration: none;
 }
 
-.bi {
-    display: inline-block;
-    position: relative;
-    width: 1.25rem;
-    height: 1.25rem;
-    margin-right: 0.75rem;
-    top: -1px;
-    background-size: cover;
+.topnav__link.active {
+    background: var(--accent);
+    color: var(--accent-ink);
 }
 
-.bi-house-door-fill-nav-menu {
-    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white' class='bi bi-house-door-fill' viewBox='0 0 16 16'%3E%3Cpath d='M6.5 14.5v-3.505c0-.245.25-.495.5-.495h2c.25 0 .5.25.5.5v3.5a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5v-7a.5.5 0 0 0-.146-.354L13 5.793V2.5a.5.5 0 0 0-.5-.5h-1a.5.5 0 0 0-.5.5v1.293L8.354 1.146a.5.5 0 0 0-.708 0l-6 6A.5.5 0 0 0 1.5 7.5v7a.5.5 0 0 0 .5.5h4a.5.5 0 0 0 .5-.5Z'/%3E%3C/svg%3E");
-}
-
-.bi-plus-square-fill-nav-menu {
-    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white' class='bi bi-plus-square-fill' viewBox='0 0 16 16'%3E%3Cpath d='M2 0a2 2 0 0 0-2 2v12a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V2a2 2 0 0 0-2-2H2zm6.5 4.5v3h3a.5.5 0 0 1 0 1h-3v3a.5.5 0 0 1-1 0v-3h-3a.5.5 0 0 1 0-1h3v-3a.5.5 0 0 1 1 0z'/%3E%3C/svg%3E");
-}
-
-.bi-list-nested-nav-menu {
-    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white' class='bi bi-list-nested' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M4.5 11.5A.5.5 0 0 1 5 11h10a.5.5 0 0 1 0 1H5a.5.5 0 0 1-.5-.5zm-2-4A.5.5 0 0 1 3 7h10a.5.5 0 0 1 0 1H3a.5.5 0 0 1-.5-.5zm-2-4A.5.5 0 0 1 1 3h10a.5.5 0 0 1 0 1H1a.5.5 0 0 1-.5-.5z'/%3E%3C/svg%3E");
-}
-
-.bi-lock-nav-menu {
-    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white' class='bi bi-list-nested' viewBox='0 0 16 16'%3E%3Cpath d='M8 1a2 2 0 0 1 2 2v4H6V3a2 2 0 0 1 2-2zm3 6V3a3 3 0 0 0-6 0v4a2 2 0 0 0-2 2v5a2 2 0 0 0 2 2h6a2 2 0 0 0 2-2V9a2 2 0 0 0-2-2zM5 8h6a1 1 0 0 1 1 1v5a1 1 0 0 1-1 1H5a1 1 0 0 1-1-1V9a1 1 0 0 1 1-1z'/%3E%3C/svg%3E");
-}
-
-.nav-item {
-    font-size: 0.9rem;
-    padding-bottom: 0.5rem;
-}
-
-    .nav-item:first-of-type {
-        padding-top: 1rem;
-    }
-
-    .nav-item:last-of-type {
-        padding-bottom: 1rem;
-    }
-
-    .nav-item ::deep a {
-        color: #d7d7d7;
-        border-radius: 4px;
-        height: 3rem;
-        display: flex;
-        align-items: center;
-        line-height: 3rem;
-    }
-
-.nav-item ::deep a.active {
-    background-color: rgba(255,255,255,0.37);
-    color: white;
-}
-
-.nav-item ::deep a:hover {
-    background-color: rgba(255,255,255,0.1);
-    color: white;
-}
-
-@media (min-width: 641px) {
-    .navbar-toggler {
-        display: none;
-    }
-
-    .collapse {
-        /* Never collapse the sidebar for wide screens */
-        display: block;
-    }
-
-    .nav-scrollable {
-        /* Allow sidebar to scroll for tall menus */
-        height: calc(100vh - 3.5rem);
-        overflow-y: auto;
-    }
-}
+.topnav__link .icon { width: 1.05rem; height: 1.05rem; }