body {
    font-family: Arial, sans-serif;
    margin: 40px;
    background: #f4f6f8;
    color: #222;
}

h1 {
    color: #333;
}

input {
    padding: 8px;
    margin-right: 5px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

button {
    padding: 8px 12px;
    margin: 3px;
    border: none;
    border-radius: 5px;
    background: #2563eb;
    color: white;
    cursor: pointer;
}

button:hover {
    background: #1d4ed8;
}

#listDisplay {
    margin-top: 20px;
    padding: 15px;
    background: white;
    border-radius: 8px;
    min-height: 30px;
}

/* Search popup */
.search-popup {
    position: fixed;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 350px;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
    z-index: 1000;
}

.search-popup input {
    width: 90%;
    margin-bottom: 10px;
}