/* -------------- Reset CSS -------------- */

* {
  margin: 0px;
  padding: 0px;

  box-sizing: inherit;
}

html {
  font-size: 62.5%;
  font-family: "Nunito", serif;
  box-sizing: border-box;
}

body {
  font-size: 1.6rem;
}

:root {
  --primary-color: #5b1865;
  --secondary-color: rgba(114, 9, 183, 1);

  --blue: rgba(67, 97, 238, 1);

  --white: #fefefe;
  --gray: #ededed;
  --dark-gray: #c2c2c2;
  --black: #333;
}

/* -------------- HEADER and CONTAINER --------------*/

body {
  background: rgb(109, 35, 182);
  background: linear-gradient(
    0deg,
    var(--secondary-color) 0%,
    var(--primary-color) 100%
  );

  min-height: 100vh;
}

.container {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

/* -------------- To Do List --------------*/

.todo-list {
  width: 90%;
  max-width: 900px;

  margin-top: 1rem;
  padding: 2rem 0;

  color: var(--white);
}

/* -------- title-------- */
.todo-list__header-title {
  text-align: center;

  font-size: 4rem;
  margin-bottom: 2rem;
}

/* -------- input-------- */
.todo-list__input {
  width: 100%;

  height: 3rem;
  padding: 2.5rem 2rem;

  font-size: 2rem;
  text-align: center;

  margin-top: 1.5rem;
  margin-bottom: 1rem;

  border-radius: 0.6rem;
  border: none;
  outline: none;
}

/* -------- body and container -------- */
.todo-list__body {
  width: 100%;

  border-radius: 0.2rem;
  background-color: var(--white);

  color: var(--black);
}

.todo-list__list-container {
  display: flex;
  flex-direction: column;
}

/* -------- todo -------- */

.todo-list__todo {
  display: grid;
  grid-template-columns: 3rem 1fr 3rem;

  font-size: 2rem;
  padding: 2rem 2rem;

  border-bottom: 1px solid var(--gray);
  background-color: var(--white);
}

.todo-list__todo:hover {
  background-color: var(--gray);
}

.todo-list__todo.todo-list__todo--hold {
  opacity: 1;
  background-color: var(--gray);
  -webkit-user-drag: none;
  -moz-user-select: none;
  user-select: none;
}

.todo-list__todo--hovered {
  background-color: var(--gray);
}

/* -------- todo - check -------- */
.todo-list__todo__check {
  display: block;

  width: 1.5rem;
  aspect-ratio: 1/1;

  background: linear-gradient(var(--white), var(--white)) padding-box,
    linear-gradient(149deg, rgba(67, 97, 238, 1) 0%, rgba(114, 9, 183, 1) 100%),
    border-box;
  border-radius: 50%;
  border: 1px solid transparent;

  border-radius: 50%;
  align-self: center;
  justify-self: left;

  cursor: pointer;
  pointer-events: none;
}

/* -------- todo - text -------- */

.todo-list__todo__text {
  pointer-events: none;
}

/* -------- todo - delete -------- */

.todo-list__todo__delete {
  justify-self: end;
  align-self: center;

  color: var(--dark-gray);
  font-weight: bold;

  font-size: 2.5rem;
  line-height: 2rem;

  cursor: pointer;
  pointer-events: none;
}

/* -------- todo - completed -------- */

.todo-list__todo--completed {
  color: var(--dark-gray);
}

.todo-list__todo--completed .todo-list__todo__check {
  background: none;
  background: linear-gradient(
    149deg,
    rgba(67, 97, 238, 1) 0%,
    rgba(114, 9, 183, 1) 100%
  );

  background-clip: padding-box;

  border: 0.1rem solid transparent;
}

.todo-list__todo--completed .todo-list__todo__text {
  text-decoration: line-through;
}
/* -------- options -------- */

.todo-list__options {
  display: flex;
  justify-content: space-around;

  padding: 1.5rem 0rem;

  border-top: 1px solid var(--gray);

  font-size: 1.6rem;

  color: var(--black);

  text-align: center;
  text-transform: capitalize;
}
/* -------- options - left -------- */

.todo-list__left-text {
  user-select: none;
}

.all-completed.todo-list__left {
  color: var(--primary-color);
  font-weight: bold;
}

/* -------- options - filter -------- */

.todo-list__filters {
  display: flex;
  gap: 1rem;

  user-select: none;
}

.todo-list__filters span {
  cursor: pointer;
}

.todo-list__filters .active {
  color: var(--primary-color);
  font-weight: bold;
}
/* -------- options - clear -------- */

.todo-list__clear {
  cursor: pointer;
  user-select: none;
}

/* -------- instruction -------- */

.instruction {
  color: var(--white);

  margin-bottom: 2rem;
}

/* -------- media queries -------- */

@media (max-width: 500px) {
  .todo-list__options {
    flex-wrap: wrap;
  }

  .todo-list__left {
    flex: 50%;
  }

  .todo-list__clear {
    flex: 50%;
  }

  .todo-list__filters {
    margin-top: 2rem;
    order: 3;
  }
}