styles.css

body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  font-family: Arial, sans-serif;
  background-color: #f2f4f1; /* Light beige background */

  margin: 0;
}

.calculator {
  border: 1px solid #d5c8b1; /* Light brown border */

  width: 360px;
  border-radius: 5px;
  overflow: hidden;
  box-shadow: 0px 0px 15px rgba(0, 0, 0, 0.2); /* Subtle shadow */
  background-color: #e1d7c6; /* Light earthy background */
}

.display {
  background-color: #3e3e3e; /* Dark gray for display */
  color: #fff;
  padding: 20px;
  font-size: 2em;
  text-align: right;
  border-bottom: 1px solid #444;
  border-top-left-radius: 10px;
  border-top-right-radius: 10px;
}

.buttons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: auto auto auto auto auto;
  gap: 5px;
  border-radius: 10px;
}

.operatorButtons {
  grid-column: span 4;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 5px;
  padding-top: 5px;
}

.operatorButtons .btn {
  background-color: #a6c0a0; /* Soft green for operator buttons */
  color: #fff;
}
.numberButtons {
  grid-column: span 4;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-gap: 1px;
  gap: 5px;
}

.numberButtons .btn {
  background-color: #c4b8a2; /* Light tan for number buttons */
}

.decimalZeroButtons {
  grid-column: span 4; /* Ensure it spans all columns */
  display: flex;
  gap: 5px;
}

.decimalZeroButtons .btn {
  flex: 1; /* Allow buttons to grow and fill available space */
  background-color: #c4b8a2; /* Light tan for decimal and zero buttons */
  border: 1px solid #ddd;
  font-size: 18px;
  padding: 20px;
  cursor: pointer;
  transition: background-color 0.2s;
  border-radius: 5px;
}

.decimalZeroButtons .btn:hover {
  background-color: #d4b6a5;
}

.equalsClearButtons {
  grid-column: span 4; /* Ensure it spans all columns */
  display: flex;
  gap: 5px;
}

.equalsClearButtons .btn {
  flex: 1; /* Allow buttons to grow and fill available space */
  background-color: #c4b8a2; /* Light tan for decimal and zero buttons */
  border: 1px solid #ddd;
  font-size: 18px;
  padding: 20px;
  cursor: pointer;
  transition: background-color 0.2s;
  border-radius: 5px;
}

.equalsClearButtons .btn:hover {
  background-color: #d4b6a5;
}

#equals {
  background-color: #a6c0a0;
  color: #0f0c0c;
}

#clear {
  background-color: #292929;
  color: #fff;
}
.btn {
  background-color: #eee;
  border: 1px solid #ddd;
  font-size: 18px;
  padding: 20px;
  cursor: pointer;
  transition: background-color 0.2s;
  border-radius: 10px;
}

.btn:hover {
  background-color: #d4b6a5;
}

.operator {
  background-color: #f9a825;
  color: white;
}

.operator:hover {
  background-color: #f57f17;
}

.equals {
  grid-column: span 4;
  background-color: #4caf50;
  color: white;
  height: 100%;
}

.equals:hover {
  background-color: #388e3c;
}

#clear {
  grid-column: span 4;
  background-color: #e53935;
  color: white;
}

#clear:hover {
  background-color: #c62828;
}

.btn[data-value="0"] {
  grid-column: span 2;
}

.btn[data-value="."] {
  grid-column: span 2;
}