body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.container {
 
    padding: 20px;
    background: rgba(255, 255, 255, 0.95);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    width: 400px;
    max-width: 90%;
}

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

input {
    width: calc(70% - 20px);
    padding: 12px;
    margin-right: 20px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

input:focus {
    border-color: #667eea;
    outline: none;
}

button {
    margin-top: 15px;
    padding: 12px 20px;
    background: linear-gradient(45deg, #4CAF50, #45a049);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.3s;
}

button:hover {
    background: linear-gradient(45deg, #45a049, #4CAF50);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

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

li {
    padding: 15px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s;
}

li:hover {
    background-color: #f9f9f9;
}

li button {
    background: linear-gradient(45deg, #f44336, #d32f2f);
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
}

li button:hover {
    background: linear-gradient(45deg, #d32f2f, #f44336);
    transform: scale(1.05);
}

@media (max-width: 600px) {
    .container {
        width: 95%;
        padding: 20px;
    }

    h1 {
        font-size: 24px;
    }

    input {
        width: 100%;
        margin-right: 0;
        margin-bottom: 10px;
    }

    button {
        width: 100%;
        padding: 15px;
    }

    li {
        flex-direction: column;
        align-items: flex-start;
        padding: 10px;
    }

    li button {
        align-self: flex-end;
        margin-top: 5px;
    }
}