feat(web): redesign config screen with animated particle background and unified auth layout

web/src/lib/components/ConfigBackground.svelte

@@ -0,0 +1,171 @@
+<script lang="ts">
+  import { onMount } from 'svelte'
+  import { mode } from 'mode-watcher'
+
+  interface Particle {
+    x: number
+    y: number
+    vx: number
+    vy: number
+    r: number
+    phase: number
+    pulse: number
+  }
+
+  const COUNT = 90
+  const CONNECT_DIST = 160
+  const MOUSE_RADIUS = 200
+  const MOUSE_FORCE = 0.012
+
+  let host = $state<HTMLDivElement | null>(null)
+  let canvas = $state<HTMLCanvasElement | null>(null)
+  let particles: Particle[] = []
+  let mouse = { x: -500, y: -500 }
+  let w = 0, h = 0, dpr = 1
+  let timer: ReturnType<typeof setTimeout> | 0 = 0
+
+  function spawn() {
+    particles = Array.from({ length: COUNT }, () => ({
+      x: Math.random() * w,
+      y: Math.random() * h,
+      vx: (Math.random() - 0.5) * 0.3,
+      vy: (Math.random() - 0.5) * 0.3,
+      r: 1 + Math.random() * 2,
+      phase: Math.random() * Math.PI * 2,
+      pulse: 0.4 + Math.random() * 0.6
+    }))
+  }
+
+  function resize() {
+    if (!host || !canvas) return
+    dpr = Math.min(window.devicePixelRatio || 1, 2)
+    w = host.clientWidth
+    h = host.clientHeight
+    canvas.width = Math.round(w * dpr)
+    canvas.height = Math.round(h * dpr)
+    if (particles.length === 0) spawn()
+  }
+
+  function onPointerMove(e: PointerEvent) {
+    if (!host) return
+    const rect = host.getBoundingClientRect()
+    mouse.x = e.clientX - rect.left
+    mouse.y = e.clientY - rect.top
+  }
+
+  function onPointerLeave() {
+    mouse.x = -500
+    mouse.y = -500
+  }
+
+  function draw(ts: number) {
+    timer = setTimeout(() => draw(performance.now()), 33)
+    if (!canvas || particles.length === 0) return
+    const ctx = canvas.getContext('2d')
+    if (!ctx) return
+
+    const t = ts / 1000
+    const dark = mode.current !== 'light'
+
+    ctx.setTransform(dpr, 0, 0, dpr, 0, 0)
+    ctx.clearRect(0, 0, w, h)
+
+    // update + draw particles
+    for (const p of particles) {
+      // autonomous drift
+      p.vx += (Math.sin(t * 0.4 + p.phase) * 0.003) * 0.15
+      p.vy += (Math.cos(t * 0.35 + p.phase) * 0.003) * 0.15
+
+      // mouse interaction
+      const dx = p.x - mouse.x
+      const dy = p.y - mouse.y
+      const dist = Math.sqrt(dx * dx + dy * dy)
+      if (dist < MOUSE_RADIUS && dist > 0) {
+        const force = (MOUSE_RADIUS - dist) / MOUSE_RADIUS * MOUSE_FORCE
+        p.vx += (dx / dist) * force * 0.6
+        p.vy += (dy / dist) * force * 0.6
+      }
+
+      // friction + random nudge
+      p.vx *= 0.995
+      p.vy *= 0.995
+      if (Math.random() < 0.003) {
+        p.vx += (Math.random() - 0.5) * 0.04
+        p.vy += (Math.random() - 0.5) * 0.04
+      }
+
+      // wrap
+      p.x += p.vx
+      p.y += p.vy
+      if (p.x < -40) p.x = w + 40
+      if (p.x > w + 40) p.x = -40
+      if (p.y < -40) p.y = h + 40
+      if (p.y > h + 40) p.y = -40
+
+      // pulse brightness
+      const alpha = p.pulse * (0.35 + 0.15 * Math.sin(t * 1.2 + p.phase))
+      ctx.fillStyle = dark
+        ? `rgba(140,175,230,${alpha})`
+        : `rgba(60,90,140,${alpha})`
+      ctx.beginPath()
+      ctx.arc(p.x, p.y, p.r, 0, Math.PI * 2)
+      ctx.fill()
+    }
+
+    // connections between nearby particles
+    ctx.lineWidth = 0.6
+    for (let i = 0; i < particles.length; i++) {
+      for (let j = i + 1; j < particles.length; j++) {
+        const a = particles[i]
+        const b = particles[j]
+        const dx = a.x - b.x
+        const dy = a.y - b.y
+        const dist = dx * dx + dy * dy
+        if (dist < CONNECT_DIST * CONNECT_DIST) {
+          const alpha = (1 - Math.sqrt(dist) / CONNECT_DIST) * 0.18
+          ctx.strokeStyle = dark
+            ? `rgba(140,175,230,${alpha})`
+            : `rgba(60,90,140,${alpha})`
+          ctx.beginPath()
+          ctx.moveTo(a.x, a.y)
+          ctx.lineTo(b.x, b.y)
+          ctx.stroke()
+        }
+      }
+    }
+
+    // radial scrim to keep center legible
+    const cx = w / 2, cy = h / 2
+    const scrim = ctx.createRadialGradient(cx, cy, 0, cx, cy, Math.hypot(cx, cy))
+    const base = dark ? '13,17,23' : '255,255,255'
+    scrim.addColorStop(0, `rgba(${base},0.72)`)
+    scrim.addColorStop(0.35, `rgba(${base},0.40)`)
+    scrim.addColorStop(0.65, `rgba(${base},0.08)`)
+    scrim.addColorStop(1, 'rgba(0,0,0,0)')
+    ctx.fillStyle = scrim
+    ctx.fillRect(0, 0, w, h)
+  }
+
+  onMount(() => {
+    resize()
+    spawn()
+    const ro = new ResizeObserver(() => {
+      resize()
+      spawn()
+    })
+    if (host) ro.observe(host)
+    window.addEventListener('pointermove', onPointerMove)
+    window.addEventListener('pointerleave', onPointerLeave)
+    timer = setTimeout(() => draw(performance.now()), 33)
+    return () => {
+      clearTimeout(timer)
+      ro.disconnect()
+      window.removeEventListener('pointermove', onPointerMove)
+      window.removeEventListener('pointerleave', onPointerLeave)
+    }
+  })
+</script>
+
+<div bind:this={host} class="absolute inset-0 overflow-hidden bg-background">
+  <canvas bind:this={canvas} class="h-full w-full"></canvas>
+</div>

web/src/pages/Config.svelte

@@ -1,11 +1,12 @@
 <script lang="ts">
-  import * as Card from '$lib/components/ui/card'
-  import * as Tabs from '$lib/components/ui/tabs'
   import { Input } from '$lib/components/ui/input'
   import { Label } from '$lib/components/ui/label'
   import { Button } from '$lib/components/ui/button'
+  import { Separator } from '$lib/components/ui/separator'
+  import { Lock, LogIn, Server } from '@lucide/svelte'
   import { fetchWithAuth, setConfig, initConfig, getConfig, clearConfig } from '$lib/config'
   import { startLogin, logout as oidcLogout, getUser, isOIDCConfigured } from '$lib/oidc'
+  import ConfigBackground from '$lib/components/ConfigBackground.svelte'
 
   let { onConnected, onCancel }: { onConnected: () => void; onCancel?: () => void } = $props()
 
@@ -45,7 +46,7 @@
       }
       saveToDesktop()
       onConnected()
-    } catch (e) {
+    } catch {
       error = 'Could not reach server — check the URL'
     } finally {
       connecting = false
@@ -58,7 +59,7 @@
     try {
       wails.Call.ByName('SaveConfig', apiUrl.trim(), token.trim())
     } catch {
-      // ignore — optional desktop-only path
+      // optional desktop-only path
     }
   }
 
@@ -78,84 +79,127 @@
     oidcUser = null
     oidcConfigured = false
   }
+
+  // OIDC callback state: user just returned from Authentik
+  let showOidcContinue = $derived(oidcConfigured && oidcUser)
 </script>
 
-<div class="flex h-svh items-center justify-center p-6">
-  <Card.Root class="w-full max-w-md">
-    <Card.Header>
-      <Card.Title>Connect to Oikos</Card.Title>
-      <Card.Description>Enter the server URL and your access token.</Card.Description>
-    </Card.Header>
-    <Card.Content>
-      <Tabs.Root value={oidcConfigured ? 'oidc' : 'token'}>
-        <Tabs.List class="mb-4 grid w-full grid-cols-2">
-          <Tabs.Trigger value="token">Token</Tabs.Trigger>
-          <Tabs.Trigger value="oidc">Login with Authentik</Tabs.Trigger>
-        </Tabs.List>
-        <Tabs.Content value="token">
-          <form class="flex flex-col gap-4" onsubmit={(e) => { e.preventDefault(); connect() }}>
-            <div class="flex flex-col gap-1.5">
-              <Label for="server-url">Server URL</Label>
-              <Input
-                id="server-url"
-                type="url"
-                placeholder="https://oikos.hubris.network (leave blank if same-origin)"
-                bind:value={apiUrl}
-              />
-            </div>
-            <div class="flex flex-col gap-1.5">
-              <Label for="token">Token</Label>
-              <Input id="token" type="password" placeholder="bearer token" bind:value={token} />
-            </div>
-            {#if error}
-              <p class="text-sm text-destructive">{error}</p>
-            {/if}
-            <div class="flex gap-2">
-              <Button type="submit" disabled={connecting} class="flex-1">
-                {connecting ? 'Connecting…' : 'Connect'}
-              </Button>
-              {#if onCancel}
-                <Button type="button" variant="outline" onclick={onCancel}>Cancel</Button>
-              {/if}
-            </div>
-            {#if existing.token}
-              <Button type="button" variant="ghost" size="sm" onclick={disconnect}>
-                Forget saved connection
-              </Button>
-            {/if}
-          </form>
-        </Tabs.Content>
-        <Tabs.Content value="oidc">
-          <div class="flex flex-col gap-4">
-            {#if oidcConfigured && oidcUser}
-              <p class="text-sm text-muted-foreground">
-                Logged in as <span class="font-medium text-foreground">{oidcUser}</span>
-              </p>
-              <Button type="button" variant="default" onclick={() => onConnected()}>
-                Continue to Dashboard
-              </Button>
-              <Button type="button" variant="ghost" size="sm" onclick={logoutOIDC}>
-                Log out
-              </Button>
-            {:else}
-              <p class="text-sm text-muted-foreground">
-                Sign in with your Authentik account to access the control room.
-              </p>
-              {#if error}
-                <p class="text-sm text-destructive">{error}</p>
-              {/if}
-              <Button type="button" disabled={oidcLoggingIn} onclick={loginWithAuthentik}>
-                {oidcLoggingIn ? 'Redirecting to Authentik…' : 'Login with Authentik'}
-              </Button>
-            {/if}
-            {#if existing.token}
-              <Button type="button" variant="ghost" size="sm" onclick={disconnect}>
-                Forget saved connection
-              </Button>
+<div class="relative h-svh overflow-hidden bg-background">
+  <ConfigBackground />
+
+  <div class="relative z-10 flex h-full items-center justify-center p-6">
+    <div class="w-full max-w-[26rem] space-y-8 rounded-2xl border border-white/8 bg-card/60 p-8 shadow-2xl shadow-black/40 backdrop-blur-xl">
+
+      <!-- Logo + heading -->
+      <div class="flex flex-col items-center gap-4">
+        <svg viewBox="0 0 91 100" class="h-16 w-16 fill-white/90" aria-hidden="true">
+          <path d="m45.601 1q20.993 0 33.71 15.946 10.799 13.625 10.799 31.287 0 12.414-5.9548 25.131-5.9548 12.717-16.451 19.176-10.395 6.4592-23.213 6.4592-20.892 0-33.205-16.653-10.395-14.029-10.395-31.489 0-12.717 6.2577-25.232 6.3584-12.616 16.653-18.57 10.295-6.0556 21.801-6.0556zm-3.128 6.5605q-5.3492 0-10.799 3.2296-5.3492 3.1287-8.68 11.102-3.3305 7.9735-3.3305 20.488 0 20.185 7.973 34.82 8.0743 14.634 21.195 14.634 9.7896 0 16.149-8.0743 6.3584-8.0743 6.3584-27.755 0-24.627-10.597-38.756-7.1657-9.6888-18.268-9.6888z" />
+        </svg>
+        <div class="text-center">
+          <h1 class="text-2xl font-semibold tracking-tight text-foreground">Connect to Oikos</h1>
+          <p class="mt-1.5 text-sm text-muted-foreground">Configure your control room connection</p>
+        </div>
+      </div>
+
+      <!-- Server URL -->
+      <div class="flex flex-col gap-1.5">
+        <Label for="server-url" class="text-xs font-medium">Server URL</Label>
+        <div class="relative">
+          <Server class="pointer-events-none absolute left-3 top-1/2 size-4 -translate-y-1/2 text-muted-foreground/50" />
+          <Input
+            id="server-url"
+            type="url"
+            placeholder="https://oikos.hubris.network"
+            class="pl-9"
+            bind:value={apiUrl}
+          />
+        </div>
+      </div>
+
+      {#if showOidcContinue}
+        <!-- OIDC authenticated state -->
+        <div class="flex flex-col items-center gap-3 rounded-xl border border-white/5 bg-background/40 p-5">
+          <p class="text-sm text-muted-foreground">
+            Logged in as <span class="font-semibold text-foreground">{oidcUser}</span>
+          </p>
+          <div class="flex w-full gap-2">
+            <Button type="button" variant="default" class="flex-1" onclick={() => onConnected()}>
+              Continue to Dashboard
+            </Button>
+            {#if onCancel}
+              <Button type="button" variant="outline" onclick={onCancel}>Cancel</Button>
             {/if}
           </div>
-        </Tabs.Content>
-      </Tabs.Root>
-    </Card.Content>
-  </Card.Root>
+          <Button type="button" variant="ghost" size="sm" onclick={logoutOIDC}>
+            Sign out
+          </Button>
+        </div>
+      {:else}
+        <div class="flex items-center gap-3">
+          <Separator decorative class="flex-1" />
+          <span class="text-[11px] font-medium uppercase tracking-widest text-muted-foreground/60">authenticate with</span>
+          <Separator decorative class="flex-1" />
+        </div>
+
+        <!-- Auth options: Authentik + token -->
+        <div class="flex w-full gap-3">
+          <!-- Authentik column -->
+          <div class="flex flex-1 flex-col rounded-xl border border-white/5 bg-background/40 p-4">
+            <p class="mb-3 text-center text-xs text-muted-foreground">Single sign-on</p>
+            <Button
+              type="button"
+              variant="secondary"
+              disabled={oidcLoggingIn}
+              onclick={loginWithAuthentik}
+              class="w-full gap-2"
+            >
+              <LogIn class="size-4" />
+              {oidcLoggingIn ? 'Redirecting…' : 'Login with Authentik'}
+            </Button>
+          </div>
+
+          <!-- Token column -->
+          <div class="flex flex-1 flex-col rounded-xl border border-white/5 bg-background/40 p-4">
+            <p class="mb-3 text-center text-xs text-muted-foreground">Access token</p>
+            <form
+              class="flex flex-col gap-2.5"
+              onsubmit={(e) => { e.preventDefault(); connect() }}
+            >
+              <div class="relative">
+                <Lock class="pointer-events-none absolute left-2.5 top-1/2 size-3.5 -translate-y-1/2 text-muted-foreground/50" />
+                <Input
+                  type="password"
+                  placeholder="Bearer token"
+                  class="pl-8 text-sm"
+                  bind:value={token}
+                />
+              </div>
+              <Button type="submit" disabled={connecting} size="sm" class="w-full gap-1.5">
+                {connecting ? 'Connecting…' : 'Connect'}
+              </Button>
+            </form>
+          </div>
+        </div>
+      {/if}
+
+      <!-- Error -->
+      {#if error}
+        <p class="rounded-lg bg-destructive/10 px-3 py-2 text-center text-sm text-destructive">{error}</p>
+      {/if}
+
+      <!-- Footer: cancel + forget -->
+      {#if !showOidcContinue && (onCancel || existing.token)}
+        <div class="flex items-center justify-center gap-2">
+          {#if onCancel}
+            <Button type="button" variant="ghost" size="sm" onclick={onCancel}>Cancel</Button>
+          {/if}
+          {#if existing.token}
+            <Button type="button" variant="ghost" size="sm" onclick={disconnect}>
+              Forget saved connection
+            </Button>
+          {/if}
+        </div>
+      {/if}
+    </div>
+  </div>
 </div>