fix: stabilize calculator display sizing

samples/calc-02/index.css

@@ -109,32 +109,37 @@ body {
 	color: var(--displayText);
 	font-family: "Courier New", monospace;
 	overflow: hidden;
-	height: auto;
-	min-height: clamp(112px, 18vw, 124px);
-	max-height: none;
+	box-sizing: border-box;
+	height: 138px;
+	min-height: 138px;
+	max-height: 138px;
 	margin-bottom: 0;
 }
 
 
+
 .display-grid {
 	height: 100%;
 	display: grid;
 	grid-template-columns: 1fr;
-	grid-template-rows: repeat(4, minmax(0, 1fr));
+	grid-template-rows: repeat(4, minmax(0, auto));
+	align-content: start;
 	gap: 2px;
 }
 
+
 .stack-cell {
 	display: grid;
-	grid-template-columns: 2.2ch 1fr auto;
+	grid-template-columns: 2.2ch minmax(0, 1fr) auto;
 	align-items: center;
 	gap: 12px;
-	font-size: clamp(18px, 3vw, 30px);
+	font-size: 20px;
 	line-height: 1;
 	min-height: 0;
 	padding-block: 0;
 }
 
+
 .stack-label {
 	text-align: right;
 	opacity: 0.78;
@@ -147,8 +152,10 @@ body {
 	text-overflow: ellipsis;
 	text-align: right;
 	justify-self: end;
+	font-size: 20px;
 }
 
+
 .display-buttons-panel {
 	grid-area: display-buttons;
 	padding: 8px;
@@ -387,22 +394,6 @@ button:active {
 	padding-inline: 6px;
 }
 
-@media (max-width: 700px) {
-	.key-enter {
-		padding-inline: 4px;
-		letter-spacing: 0.01em;
-	}
-
-	.display-button-symbol {
-		min-width: 1.28em;
-		font-size: 1.3em;
-	}
-
-	.display-buttons-grid > button {
-		padding: 6px 8px;
-	}
-}
-
 .hidden-input {
 	position: absolute;
 	left: -9999px;