html {
  width: 100%;
  height: 100%;
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-size: 10px;
  font-family: sans-serif;
}

body {
  width: 100%;
  height: 100%;
  background: linear-gradient(#41e5d9, #4d8fe2);
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
}
hi {
  font-size: 3.2rem;
  margin: 0 0 1.6rem;
}

main {
  width: 100%;
  max-width: 40rem;
  background-color: #fff;
  border-radius: 0.8rem;
  padding: 3.2rem 2.4rem;
}

.todo-list-section {
  margin: 0.8rem 0 1.6rem;
  min-height: 5rem;

  & > ul {
    padding-inline-start: 0rem;
    height: 23rem;
    overflow: auto;
  }
  & > ul > li {
    list-style-type: none;
    padding: 0.8rem 1.6rem;
    font-size: 1.6rem;
    background-color: #efefef;
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.8rem;
  }
  & > ul > li:last-child {
    margin-bottom: 0;
  }

  & > ul > li > button {
    width: 2.4rem;
    height: 2.4rem;
    background-color: #e64c3c;
    color: #fff;
    border: none;
    border-radius: 0.4rem;
    cursor: pointer;

    &:hover {
      background: #da5c3e;
    }
  }
}
.checkbox-label-container {
  display: flex;
  align-items: center;
  justify-content: center;

  & > label {
    cursor: pointer;
  }

  & > input {
    margin-right: 0.8rem;
    cursor: pointer;
  }
}

#create-todo-section {
  width: 100%;
}

#create-todo-form {
  font-size: 1.6rem;
  display: flex;
  flex-direction: row;
  width: 100%;
}

.input-description {
  height: 3.2rem;
  width: 100%;
  font-size: 1.6rem;
  border-radius: 0.4rem;
  margin-right: 0.4rem;
  outline: 0;
  border: 1px solid #646464;
  padding-left: 0.8rem;

  &:focus {
    border: 1px solid #5eb7f6;
  }
}

.add-task-btn {
  box-sizing: border-box;
  height: 3.6rem;
  width: 3.6rem;
  color: #fff;
  background: #8f49e7;
  border: none;
  border-radius: 0.4rem;
  font-size: 2.4rem;
  cursor: pointer;

  &:hover {
    opacity: 0.7;
  }
}

.add-task-btn:disabled {
  background-color: #d9d9d9;
  cursor: not-allowed;
  &:hover {
    opacity: 0.7;
  }
}

.remove-done-tasks-btn {
  box-sizing: border-box;
  height: 3.6rem;
  color: #fff;
  background: #8f49e7;
  border: none;
  border-radius: 0.4rem;
  cursor: pointer;
  padding: 0 1.6rem;

  &:hover {
    opacity: 0.7;
  }
}

footer {
  width: 100%;
  display: flex;
  flex-direction: row-reverse;
  justify-content: space-between;
  font-size: 1.3rem;
  align-items: center;
}
