/* style.css */

body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    background-color: #fff;
    width: 350px;
    padding: 20px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    border-radius: 10px;
}

.inner_container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.display {
    width: 100%;
    height: 90px;
    border: 2px solid #ddd;
    border-radius: 5px;
    padding: 0 10px;
    box-sizing: border-box;
    background-color: #f9f9f9;
    outline: none;
}

#input-text{
    font-size: 22px;
    width: 100%;
    height: 100%;
    border: none;
    outline: none;
    background-color: transparent;
    text-align:start;
    padding: 7px;
}

#output-text{
    font-size: 33px;
    width: 100%;
    height: 100%;
    border: none;
    outline: none;
    background-color: transparent;
    text-align: end;
}

.side-button, .number {
    display: grid;
    gap: 10px;
    margin-bottom: 10px;
}

.side-button {
    grid-template-columns: repeat(3, 1fr);
    width: 100%;
}

.number {
    grid-template-columns: repeat(3, 1fr);
    width: 100%;
}

button {
    height: 50px;
    font-size: 18px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    background-color: #007bff;
    color: #fff;
    transition: all 0.3s ease-in-out;
}

button:hover {
    background-color: #0056b3;
}

button:active {
    background-color: #00408b;
}

#clear {
    background-color: #f44336;
}

#clear:hover {
    background-color: #d32f2f;
}

#clear:active {
    background-color: #b71c1c;
}

#equal {
    background-color: #28a745;
}

#equal:hover {
    background-color: #218838;
}

#equal:active {
    background-color: #1e7e34;
}

.operation {
    background-color: #4a4a4a;
}

.operation:hover {
    background-color: #3a3a3a;
}

.operation:active {
    background-color: #2a2a2a;
}