app/globals.css

@@ -8,6 +8,9 @@
   --primary: #0a5f94;
   --primary-press: #084d79;
   --disabled: #9fa9b8;
+  --white: #ffffff;
+  --shadow-base: #12324a;
+  --border-dark: #1c293e;
   --controls-height: 10svh;
   --controls-safe: env(safe-area-inset-bottom);
   --controls-total-height: calc(var(--controls-height) + var(--controls-safe));
@@ -27,7 +30,7 @@ body {
   color: var(--ink);
   font-family: 'Trebuchet MS', 'Avenir Next', 'Segoe UI', sans-serif;
   background:
-    radial-gradient(circle at 16% 18%, rgba(255, 255, 255, 0.85) 0%, rgba(255, 255, 255, 0) 44%),
+    radial-gradient(circle at 16% 18%, color-mix(in srgb, var(--white) 85%, transparent) 0%, transparent 44%),
     linear-gradient(140deg, var(--bg-1), var(--bg-2));
   overflow: hidden;
 }
@@ -52,8 +55,8 @@ body {
   border: 1px solid var(--panel-line);
   background: var(--panel);
   box-shadow:
-    0 1.2rem 2.2rem rgba(18, 50, 73, 0.12),
-    inset 0 0.1rem 0.2rem rgba(255, 255, 255, 0.7);
+    0 1.2rem 2.2rem color-mix(in srgb, var(--shadow-base) 12%, transparent),
+    inset 0 0.1rem 0.2rem color-mix(in srgb, var(--white) 70%, transparent);
   display: grid;
   grid-template-rows: auto 1fr;
   overflow: hidden;
@@ -62,7 +65,7 @@ body {
 .website-panel__header {
   border-bottom: 1px solid var(--panel-line);
   padding: 0.75rem 1rem;
-  background: linear-gradient(180deg, rgba(255, 255, 255, 0.7), rgba(247, 242, 233, 0.9));
+  background: linear-gradient(180deg, color-mix(in srgb, var(--white) 70%, transparent), color-mix(in srgb, var(--bg-1) 90%, transparent));
 }
 
 .website-panel__label {
@@ -91,7 +94,7 @@ body {
   width: 100%;
   height: 100%;
   border: none;
-  background: #ffffff;
+  background: var(--white);
 }
 
 .radio-controls-wrap {
@@ -102,8 +105,8 @@ body {
   height: var(--controls-total-height);
   padding: 0.5rem 1rem;
   padding-bottom: calc(0.5rem + var(--controls-safe));
-  border-top: 1px solid rgba(28, 41, 62, 0.16);
-  background: linear-gradient(180deg, rgba(255, 250, 242, 0.95), rgba(239, 235, 225, 0.98));
+  border-top: 1px solid color-mix(in srgb, var(--border-dark) 16%, transparent);
+  background: linear-gradient(180deg, color-mix(in srgb, var(--bg-1) 95%, transparent), color-mix(in srgb, var(--bg-1) 98%, var(--panel-line)));
   backdrop-filter: blur(7px);
 }
 
@@ -137,7 +140,7 @@ body {
   border: none;
   border-radius: 0.7rem;
   background: var(--primary);
-  color: #ffffff;
+  color: var(--white);
   font-size: 1rem;
   font-weight: 700;
   padding: 0.78rem 1rem;