Update app.py

app.py

@@ -3,8 +3,12 @@ import numpy as np
 import plotly.graph_objects as go
 from plotly.subplots import make_subplots
 from scipy.integrate import quad
-gr.CSS
-("""
+
+# ============================================================
+#  CUSTOM CSS FOR FULL-WIDTH PLOTS (GRADIO v4 COMPATIBLE)
+# ============================================================
+
+custom_css = """
 #root, .gradio-container {
     max-width: 100% !important;
 }
@@ -25,7 +29,7 @@ gr.CSS
 .gradio-container .gr-panel {
     width: 100% !important;
 }
-""")
+"""
 
 # ============================================================
 #  RFT MASTER PARAMETERS (UNTOUCHED)
@@ -118,6 +122,7 @@ def rft_rcqm_unification_lab(p1_early_input, p2_early_input, nex_coupling_input)
         template='plotly_dark',
         showlegend=False,
         height=800,
+        margin=dict(l=0, r=0, t=60, b=0),
         title_text=f'RFT Unified Frame Lab — Age at z=13.67: {age_z13:.2f} Myr'
     )
 
@@ -168,6 +173,7 @@ def solar1_verified():
     fig.update_layout(
         template='plotly_dark',
         height=800,
+        margin=dict(l=0, r=0, t=60, b=0),
         title="Verified Solar1 Manifold (Preset)",
         scene=dict(
             xaxis_title="X (Solar1 Units)",
@@ -234,6 +240,7 @@ def solar1_dynamic(n_points, z_min, z_max, scatter, scale, mode):
     fig.update_layout(
         template='plotly_dark',
         height=800,
+        margin=dict(l=0, r=0, t=60, b=0),
         title="Dynamic Solar1 Manifold (Exploratory Mode)",
         scene=dict(
             xaxis_title="X (Solar1 Units)",
@@ -296,7 +303,8 @@ solar1_tab = gr.TabbedInterface(
 
 demo = gr.TabbedInterface(
     [rft_tab, solar1_tab],
-    ["RFT Expansion Lab", "Solar1 Manifold Explorer"]
+    ["RFT Expansion Lab", "Solar1 Manifold Explorer"],
+    css=custom_css
 )
 
 if __name__ == "__main__":