* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background: linear-gradient(to right, #ff9a9e, #fad0c4, #fbc2eb);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    padding-top: 50px;
}

.todo-container {
    background-color: #ffffffcc;
    padding: 30px 40px;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 500px;
}

h1 {
    text-align: center;
    color: #ff4081;
    margin-bottom: 25px;
}

.input-section {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

input[type="text"] {
    flex: 1;
    padding: 12px 14px;
    border: 2px solid #ff80ab;
    border-radius: 8px;
    font-size: 16px;
    transition: 0.3s;
    background-color: #fff0f5;
    color: #880e4f;
}

input[type="text"]::placeholder {
    color: #d81b60;
}

input[type="text"]:focus {
    outline: none;
    border-color: #f50057;
    background-color: #ffe3ed;
}

button {
    padding: 12px 16px;
    background-color: #ff4081;
    border: none;
    border-radius: 8px;
    color: white;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #e91e63;
}

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

li {
    background: linear-gradient(to right, #fce4ec, #f8bbd0);
    margin-bottom: 10px;
    padding: 12px 16px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid #f06292;
    color: #6a1b9a;
    font-weight: 500;
}

li button {
    background-color: #f06292;
    padding: 6px 12px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    color: white;
    font-weight: bold;
}

li button:hover {
    background-color: #c2185b;
}

/* Responsive  */
@media (max-width: 600px) {
    .todo-container {
        padding: 20px;
        border-radius: 12px;
        width: 90%;
    }

    .input-section {
        flex-direction: column;
        gap: 12px;
    }

    input[type="text"] {
        font-size: 15px;
        padding: 10px 12px;
    }

    button {
        width: 100%;
        padding: 10px;
    }

    li {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    li button {
        align-self: flex-end;
        font-size: 13px;
        padding: 6px 10px;
    }
}

  @media (max-width: 600px) {
      .todo-container {
        padding: 20px;
        border-radius: 12px;
        width: 90%;
      }

      .input-section {
        flex-direction: column;
        gap: 12px;
      }

      input[type="text"] {
        font-size: 15px;
        padding: 10px 12px;
      }

      button {
        width: 100%;
        padding: 10px;
      }

      li {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
      }

      li button {
        align-self: flex-end;
        font-size: 13px;
        padding: 6px 10px;
      }
    }