diff --git a/assets/style.css b/assets/style.css
index 8ba8751..496249a 100644
--- a/assets/style.css
+++ b/assets/style.css
@@ -1,5 +1,6 @@
 /* Dashboard Telseg - estilos base */
 :root {
+  color-scheme: dark;
   /* Tema escuro neutro (preto) */
   --bg: #000000;          /* preto puro */
   --panel: #0a0a0a;       /* preto levemente mais claro que o bg */
@@ -15,8 +16,10 @@
 }
 
 [data-theme="light"] {
+  color-scheme: light;
   --bg: #f8fafc;          /* slate-50 */
   --panel: #ffffff;
+  --card: #fdfdfd;
   --muted: #475569;       /* slate-600 */
   --text: #0f172a;        /* slate-900 */
   --primary: #16a34a;