style: update H5 global background, add noise overlay, and adjust login layout

apps/player/src/styles.css

@@ -8,9 +8,9 @@
   --tertiary: #000000;
   --neutral: #8E8E93;
   --bg-body: #000000;
-  --bg-card: #141414;
-  --bg-hover: #222222;
-  --bg-elevated: #2A2A2A;
+  --bg-card: rgba(20, 20, 20, 0.65);
+  --bg-hover: rgba(34, 34, 34, 0.65);
+  --bg-elevated: rgba(42, 42, 42, 0.65);
   --text: #FFFFFF;
   --text-muted: #8E8E93;
   --border: #333333;
@@ -188,8 +188,12 @@ body,
 body {
   font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
   background:
+    url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.15'/%3E%3C/svg%3E"),
+    linear-gradient(rgba(0, 0, 0, 0.95), rgba(0, 0, 0, 0.95)),
     radial-gradient(ellipse 120% 60% at 50% -10%, rgba(212, 175, 55, 0.14), transparent 55%),
-    var(--bg-body);
+    url('./assets/images/bg.png') no-repeat center center fixed;
+  background-size: 150px, cover, cover, cover;
+  background-color: var(--tertiary);
   color: var(--text);
   overflow: hidden;
   -webkit-font-smoothing: antialiased;
@@ -285,6 +289,8 @@ input:-webkit-autofill:active {
   padding: 16px;
   margin-bottom: 12px;
   box-shadow: var(--shadow);
+  backdrop-filter: blur(10px);
+  -webkit-backdrop-filter: blur(10px);
 }
 
 .section-title {