body {
    font-family: "Poppins", sans-serif;
    background: linear-gradient(135deg, #fdf3f0, #f8e1e7);
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    background: #fff;
    width: 350px;
    padding: 25px 30px;
    border-radius: 15px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    text-align: center;
}

h1 {
    margin-bottom: 20px;
    color: #d84315;
}

.input-box {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}

.input-box input {
    flex: 1;
    padding: 8px 10px;
    border: 1px solid #ccc;
    border-radius: 8px;
    outline: none;
}

.input-box button {
    background: #d84315;
    color: #fff;
    border: none;
    padding: 8px 14px;
    margin-left: 8px;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.3s;
}

.input-box button:hover {
    background: #bf360c;
}

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

li {
    background: #fdf3f0;
    padding: 10px 15px;
    border-radius: 8px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

li.done span {
    text-decoration: line-through;
    color: #888;
}

.btns button {
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 18px;
    margin-left: 6px;
}

.btns .complete {
    color: green;
}

.btns .delete {
    color: red;
}

.footer {
    margin-top: 15px;
    color: #999;
    font-size: 14px;
}