روز: 4 ساختن یک برنامه پیشخوان ساده با HTML ، CSS و JavaScript

➕ Increase: Adds 1 to the counter

➖ Decrease: Subtracts 1 from the counter

🔁 Reset: Resets the counter back to 0

body {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
    text-align: center;
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
    font-size: 4em;
    margin-bottom: 20px;
}

.btn button {
    font-size: 1.5em;
    padding: 10px 20px;
    margin: 5px;
    border: none;
    border-radius: 5px;
    background-color: #007bff;
    color: white;
    cursor: pointer;
}

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

Using onclick to trigger JavaScript functions

Updating the DOM with innerText

Writing clean, reusable functions

Keeping logic and presentation separate