diff --git a/components/units/MainConverter.tsx b/components/units/MainConverter.tsx
index c82a987..fd71886 100644
--- a/components/units/MainConverter.tsx
+++ b/components/units/MainConverter.tsx
@@ -188,7 +188,7 @@ export default function MainConverter() {
             </span>
 
             {/* Input row */}
-            <div className="flex items-center gap-2">
+            <div className="flex flex-col gap-2">
               {/* Value input */}
               <input
                 type="text"
@@ -196,39 +196,42 @@ export default function MainConverter() {
                 value={inputValue}
                 onChange={(e) => setInputValue(e.target.value)}
                 placeholder="0"
-                className="flex-1 min-w-0 bg-transparent border border-border/40 rounded-lg px-3 py-2 text-sm font-mono outline-none focus:border-primary/50 transition-colors placeholder:text-muted-foreground/30 tabular-nums"
+                className="w-full bg-transparent border border-border/40 rounded-lg px-3 py-2.5 text-base font-mono outline-none focus:border-primary/50 transition-colors placeholder:text-muted-foreground/30 tabular-nums"
               />
 
-              {/* From unit */}
-              <select
-                value={selectedUnit}
-                onChange={(e) => setSelectedUnit(e.target.value)}
-                className="w-28 shrink-0 bg-transparent border border-border/40 rounded-lg px-2.5 py-2 text-xs font-mono outline-none focus:border-primary/50 transition-colors text-foreground/80 cursor-pointer"
-              >
-                {units.map((unit) => (
-                  <option key={unit} value={unit}>{unit}</option>
-                ))}
-              </select>
+              {/* Unit selectors + swap */}
+              <div className="flex items-center gap-2">
+                {/* From unit */}
+                <select
+                  value={selectedUnit}
+                  onChange={(e) => setSelectedUnit(e.target.value)}
+                  className="flex-1 min-w-0 bg-transparent border border-border/40 rounded-lg px-2.5 py-2 text-xs font-mono outline-none focus:border-primary/50 transition-colors text-foreground/80 cursor-pointer"
+                >
+                  {units.map((unit) => (
+                    <option key={unit} value={unit}>{unit}</option>
+                  ))}
+                </select>
 
-              {/* Swap */}
-              <button
-                onClick={handleSwapUnits}
-                title="Swap units"
-                className="shrink-0 w-8 h-8 flex items-center justify-center glass rounded-lg border border-border/30 text-muted-foreground hover:text-primary hover:border-primary/30 hover:bg-primary/10 transition-all"
-              >
-                <ArrowLeftRight className="w-3.5 h-3.5" />
-              </button>
+                {/* Swap */}
+                <button
+                  onClick={handleSwapUnits}
+                  title="Swap units"
+                  className="shrink-0 w-8 h-8 flex items-center justify-center glass rounded-lg border border-border/30 text-muted-foreground hover:text-primary hover:border-primary/30 hover:bg-primary/10 transition-all"
+                >
+                  <ArrowLeftRight className="w-3.5 h-3.5" />
+                </button>
 
-              {/* To unit */}
-              <select
-                value={targetUnit}
-                onChange={(e) => setTargetUnit(e.target.value)}
-                className="w-28 shrink-0 bg-transparent border border-border/40 rounded-lg px-2.5 py-2 text-xs font-mono outline-none focus:border-primary/50 transition-colors text-foreground/80 cursor-pointer"
-              >
-                {units.map((unit) => (
-                  <option key={unit} value={unit}>{unit}</option>
-                ))}
-              </select>
+                {/* To unit */}
+                <select
+                  value={targetUnit}
+                  onChange={(e) => setTargetUnit(e.target.value)}
+                  className="flex-1 min-w-0 bg-transparent border border-border/40 rounded-lg px-2.5 py-2 text-xs font-mono outline-none focus:border-primary/50 transition-colors text-foreground/80 cursor-pointer"
+                >
+                  {units.map((unit) => (
+                    <option key={unit} value={unit}>{unit}</option>
+                  ))}
+                </select>
+              </div>
             </div>
 
             {/* Result display */}