@import url('https://fonts.googleapis.com/css2?family=Lobster&display=swap');

*,
*::before,
*::after {
  box-sizing: border-box;
  padding: 0;  
  margin: 0;
}

body {
  font-family: 'Baloo 2', cursive;
  line-height: 1.6;
  background-color: #f3f4f8;
}

h1 {
  font-family: 'Lobster', cursive, sans-serif;
  font-size: 3.5rem;
  margin-bottom: 5px;
  color: #4f3cc9;
  text-align: center;
  letter-spacing: 2px;
  font-weight: bold;
}

p {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  color: #6c6f7b;
  text-align: center;
}

#calculator {
  display: grid;
  grid-template-rows: auto repeat(5, 1fr);
  gap: 10px;
  max-width: 320px;
  margin: 20px auto;
  padding: 20px 15px 15px 15px;
  background-color: #fff;
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(79, 60, 201, 0.08);
}

#search {
  grid-row: 1 / 2;
  grid-column: 1 / -1;
  width: 100%;
  font-size: 2rem;
  margin-bottom: 10px;
  padding: 10px;
  border-radius: 8px;
  border: 2px solid #e0e3eb;
  background: #f7f8fa;
  color: #4f3cc9;
  text-align: right;
  font-family: 'Baloo 2', cursive;
}
#search:focus {
  outline: none;
  border-color: #4f3cc9;
  box-shadow: 0 0 5px rgba(79, 60, 201, 0.2);
}
#search.input-error::placeholder {
  color: red;
  opacity: 1;
}

.row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  width: 100%;
  margin-bottom: 0;
}

.button {
  font-family: 'Baloo 2', cursive;
  font-size: 1.5rem;
  padding: 18px 0;
  border: none;
  border-radius: 8px;
  background-color: #4f3cc9; 
  color: #fff;
  cursor: pointer;
  transition: 0.2s, transform 0.1s;
  box-shadow: 0 2px 8px rgba(79, 60, 201, 0.08);
}
.x2{
    grid-column: span 2;
}

.button:hover {
  background-color: #6c63ff; 
  transform: translateY(-2px) scale(1.03);
}

/* Add to styles.css */
.input-error {
  border: 2px solid red !important;
}