diff --git a/dashboard/css/app.css b/dashboard/css/app.css
index 6ebbf87..a6e0e95 100644
--- a/dashboard/css/app.css
+++ b/dashboard/css/app.css
@@ -1,3 +1,10 @@
+/* Variables globales (indépendantes du thème) */
+:root {
+  --font-ui:'Inter',system-ui,sans-serif;
+  --font-mono:'JetBrains Mono',monospace;
+  --font-terminal:'Share Tech Mono',monospace;
+}
+
 /* Polices locales */
 @font-face {
   font-family: 'Inter';
@@ -28,9 +35,7 @@
   --tile-3d:0 1px 0 rgba(255,255,255,.08) inset,0 -1px 0 rgba(0,0,0,.3) inset,0 6px 20px rgba(0,0,0,.5);
   --tile-press:inset 0 2px 8px rgba(0,0,0,.5),inset 0 1px 3px rgba(0,0,0,.4);
   --hover-glow:0 0 0 1px var(--accent-soft),0 0 24px var(--accent-glow),0 6px 20px rgba(0,0,0,.5);
-  --font-ui:'Inter',system-ui,sans-serif;
-  --font-mono:'JetBrains Mono',monospace;
-  --font-terminal:'Share Tech Mono',monospace;
+  --warn-glow:rgba(250,189,47,.22);--err-glow:rgba(251,73,52,.25);
 }
 :root[data-theme="light"] {
   --accent:#af3a03;--accent-soft:#d65d0e;--accent-glow:rgba(175,58,3,.18);--accent-tint:rgba(175,58,3,.08);
@@ -41,9 +46,7 @@
   --tile-3d:0 1px 0 rgba(255,255,255,.55) inset,0 -1px 0 rgba(0,0,0,.08) inset,0 4px 14px rgba(0,0,0,.13);
   --tile-press:inset 0 2px 6px rgba(0,0,0,.2);
   --hover-glow:0 0 0 1px var(--accent-soft),0 0 18px var(--accent-glow),0 4px 14px rgba(0,0,0,.13);
-  --font-ui:'Inter',system-ui,sans-serif;
-  --font-mono:'JetBrains Mono',monospace;
-  --font-terminal:'Share Tech Mono',monospace;
+  --warn-glow:rgba(181,118,20,.22);--err-glow:rgba(157,0,6,.25);
 }
 
 *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
@@ -89,9 +92,9 @@ body{background:var(--bg-1);color:var(--ink-1);font-family:var(--font-ui);font-s
 .tile:hover{box-shadow:var(--hover-glow);border-color:var(--accent-soft)}
 .tile:active{transform:translateY(2px) scale(.99);box-shadow:var(--tile-press)}
 .tile.t-warn{border-color:rgba(250,189,47,.3)}
-.tile.t-warn:hover{border-color:var(--warn);box-shadow:0 0 0 1px var(--warn),0 0 22px rgba(250,189,47,.22),0 6px 20px rgba(0,0,0,.5)}
+.tile.t-warn:hover{border-color:var(--warn);box-shadow:0 0 0 1px var(--warn),0 0 22px var(--warn-glow),0 6px 20px rgba(0,0,0,.5)}
 .tile.t-err{border-color:rgba(251,73,52,.35)}
-.tile.t-err:hover{border-color:var(--err);box-shadow:0 0 0 1px var(--err),0 0 22px rgba(251,73,52,.25),0 6px 20px rgba(0,0,0,.5)}
+.tile.t-err:hover{border-color:var(--err);box-shadow:0 0 0 1px var(--err),0 0 22px var(--err-glow),0 6px 20px rgba(0,0,0,.5)}
 .tile.t-off{opacity:.5;cursor:default}.tile.t-off:hover,.tile.t-off:active{box-shadow:var(--tile-3d);border-color:var(--border-1);transform:none}
 .tile-head{display:flex;align-items:center;gap:8px;user-select:none}
 .t-icon{width:28px;height:28px;border-radius:7px;background:var(--bg-4);display:flex;align-items:center;
@@ -225,7 +228,7 @@ body{background:var(--bg-1);color:var(--ink-1);font-family:var(--font-ui);font-s
 .cbox.mqtt-on{background:rgba(200,130,200,.18);border-color:var(--purple);color:var(--purple)}
 
 /* Config serveur */
-.scfg-body{padding:18px;display:flex;flex-direction:column;gap:14px;overflow-y:auto}
+.scfg-body{padding:18px;display:flex;flex-direction:column;gap:14px;overflow-y:auto;flex:1;min-height:0}
 .scfg-sec-title{font-size:9px;color:var(--ink-4);font-family:var(--font-terminal);
                 letter-spacing:.08em;padding-bottom:6px;border-bottom:1px solid var(--border-1)}
 .scfg-row{display:flex;align-items:center;gap:10px}