styles.css

:root {
    --primary-color: #3498db;
    --secondary-color: #2ecc71;
    --background-color: #ecf0f1;
    --text-color: #34495e;
    --card-background: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    background-color: var(--background-color);
    color: var(--text-color);
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: auto;
    padding: 20px;
}

h1 {
    text-align: center;
    color: var(--primary-color);
    font-size: 2.5em;
    margin-bottom: 30px;
}

form {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
}

form .product-input {
    flex-grow: 1;
    padding: 12px;
    font-size: 16px;
    border: 2px solid var(--primary-color);
    border-radius: 25px;
    outline: none;
}

form .product-input:focus{
    box-shadow: 0 0 5px var(--primary-color);
}

form button {
    padding: 12px 25px;
    background-color: var(--primary-color);
    border: none;
    cursor: pointer;
    font-size: 16px;
    color: var(--background-color);
    border-radius: 25px;
    transition: 0.5s;
}

form button:hover {
    background-color: #2980b9;
}

.product-list {
    background-color: var(--card-background);
    border-radius: 10px;
    box-shadow: 0 4px 6px var(--shadow-color);
    text-align: center;
}