* {
    box-sizing: border-box;
    font-family: Arial, Helvetica, sans-serif;
}

body {
    background: linear-gradient(135deg, #667eea, #764ba2);
    min-height: 100vh;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}


.container {
    background: #ffffff;
    width: 350px;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.container h1 {
    text-align: center;
    margin-bottom: 20px;
    color: #333;
}


.input-box {
    display: flex;
    gap: 10px;
}

.input-box input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    outline: none;
}

.input-box button {
    padding: 10px 15px;
    border: none;
    background-color: #667eea;
    color: white;
    border-radius: 5px;
    cursor: pointer;
}

.input-box button:hover {
    background-color: #5563c1;
}


ul {
    list-style: none;
    padding: 0;
    margin-top: 20px;
}

li {
    background: #f4f4f4;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}


li button {
    margin-left: 5px;
    padding: 5px 8px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
}

li button:first-of-type {
    background-color: #ffc107;
    color: #000;
}

li button:last-of-type {
    background-color: #dc3545;
    color: #fff;
}

li button:hover {
    opacity: 0.8;
}