body {
    background-color: #0f111c;
    font-family: Arial, sans-serif;
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    align-content: center;
    height: 100vh;
    margin: 0;
}

.calculator {
    background-color: #1e1e2f;
    border-radius: 15px;
    padding: 20px;
    margin: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

#display {
    background-color: #0f111c;
    color: #fff;
    font-size: 2rem;
    padding: 20px;
    width: 100%;
    border: none;
    border-radius: 12px;
    text-align: right;
    margin-bottom: 20px;
    box-sizing: border-box;
}

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

.num {
    background-color: #333438;
}

button {
    background-color: #2C303D;
    border: none;
    color: white;
    font-size: 1.1rem;
    padding: 14px 0;
    border-radius: 18px;
    cursor: pointer;
    transition: background-color 0.2s;
    text-align: center;
}

button:hover {
    background-color: #3d3d54;
}

.equal {
    background-color: #a0b9ff;
    color: black;
}

.social-icons {
    display: flex;
    align-items: center;
    gap: 16px;
}

.social-icons a {
    display: inline-block;
    transition: transform 0.2s ease;
}

.social-icons a:hover {
    transform: scale(1.1);
}