body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    height: 100vh;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #333;
}

.container {
    background: #fff;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    width: 100%;
    max-width: 400px;
}

h1 {
    text-align: center;
    color: #4a4a4a;
    margin-bottom: 1.5rem;
}

form {
    display: flex;
    gap: 10px;
    margin-bottom: 1.5rem;
}

input {
    flex: 1;
    padding: 10px;
    border: 2px solid #ddd;
    border-radius: 8px;
    outline: none;
    transition: border-color 0.3s;
}

input:focus {
    border-color: #667eea;
}

button {
    padding: 10px 20px;
    background-color: #667eea;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.3s;
}

button:hover {
    background-color: #764ba2;
}

ul {
    list-style: none;
    padding: 0;
}

li {
    background: #f9f9f9;
    margin-bottom: 10px;
    padding: 12px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.delete-btn {
    color: #ff4d4d;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: bold;
}

.delete-btn:hover {
    text-decoration: underline;
}