/*general styles*/

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
}

ul {
  padding: 0;
  margin: 0;
}

li {
  list-style: none;
}

#backdrop {
  position: fixed;
  width: 100vw;
  height: 100vh;
  top: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.75);
  z-index: 50;
  display: none;
}

.modal {
  position: absolute;
  z-index: 100;
  background: white;
  border-radius: 5px;
  box-shadow: 0 2px 8px rgb(0 0 0 / 26%);
  display: none;
  padding: 0.2rem;
  top: 20%;
  left: 48%;
  width: 80vw;
  height: 30vh;
  transform: translateX(-50%);
}
.visible {
  display: block !important;
}
.invisible {
  display: none !important;
}
.error {
  border: 2px solid red;
}
/*end general styles*/
header {
  width: 80%;
  max-width: 700px;
  margin: 2rem auto;
}
header h1{
  text-align: center;
}

/*heading action*/
.heading-actions {
  display: flex;
  justify-content: space-between;
  margin-left: auto;
  margin-right: auto;
  width: 80%;
  max-width: 700px;
}

#filter {
  height: 2rem;
  width: 7rem;
}
#add-todo {
  padding: 0 2rem;
  font-weight: 700;
  background: #f67722;
  border: 1px solid #f67722;
  color: white;
  border-radius: 3px;
  box-shadow: 0 1px 8px rgb(0 0 0 / 26%);
  cursor: pointer;
}
#add-todo:hover {
  background: #f3cc4b;
  border-color: #f3cc4b;
  color: #995200;
}

.modal-close-btn {
  color: rgb(147, 1, 1);
  border: 1px solid rgb(var(--main-purple-color));
  border-radius: 5px;
  float: right;
  width: 2rem;
  height: 2rem;
  cursor: pointer;
}

.modal-close-btn:hover {
  color: red;
  background: white;
  border: 2px solid #f0f0f0;
}
.form-title {
  text-align: center;
}
#add-task-form {
  display: flex;
  justify-content: center;
  gap: 1rem;
}
.form-wrapper {
  margin: 3rem 0;
}
/*end heading action*/

/*to-do-list block */
.todo-list--container {
  margin-left: auto;
  margin-right: auto;
  width: 80%;
  max-width: 700px;
}
.completed-todo-list > *,
.todo-list > * {
  display: flex;
  justify-content: space-between;
  margin: 2rem auto;
  padding-bottom: 1rem;
  border-bottom: 2px solid black;
  max-width: 700px;
}
.to-do-item label::before {
  content: '';
  width: 22px;
  height: 25px;
  border: 2px solid #6c2c01;
  position: absolute;
  border-radius: 5px;
}
.to-do-item label {
  position: relative;
}
.to-do-item label input {
  opacity: 0;
}
.task-content {
  margin-left: 1rem;
}
.done {
  position: absolute;
  top: 2px;
  left: 2px;
}
.done::before {
  content: '✔️';
}
/*end to-do-list block*/

@media only screen and (min-width: 800px) {
  .modal {
    width: 60vw;
    max-width: 600px;
  }
}