@import url("https://fonts.googleapis.com/css2?family=Kanit:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap");

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

:root {
  --color-one: #8c97f4;
  --color-two: #c96bf1;
  --color-three: #2ee4e4;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  font-family: "Kanit", sans-serif;
  background-image: linear-gradient(
    90deg,
    rgb(140, 151, 244),
    rgb(201, 107, 241),
    rgb(46, 228, 228)
  );
}

.container {
  width: 80%;
  max-width: 900px;
  background-color: rgba(0, 0, 0, 0.2);
  padding: 4rem 3rem;
  margin: 50px 0;
  border-radius: 10px;
  border: 5px solid white;
  box-shadow: 5px 8px 16px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: fit-content;
}

input {
  width: 450px;
  font-family: inherit;
  font-size: 1.4rem;
  padding: 5px;
  border-radius: 10px;
  margin: 1.5rem 0;
  border: 2.5px solid var(--color-three);
  background-color: rgba(0, 0, 0, 0.4);
  color: var(--color-three);
}

input:active {
  outline: none;
}

input::placeholder {
  color: var(--color-one);
}

.input-container {
  display: flex;
  flex-direction: row;
  align-items: center;
}

.icon {
  padding: 5px 10px;
  margin-left: 10px;
  background-color: black;
  border: 2.5px solid var(--color-three);
  border-radius: 10px;
  font-size: 3rem;
  text-transform: uppercase;
  font-weight: bold;
  color: var(--color-three);
  cursor: pointer;
  transition: all 0.75s;
}

.icon:hover {
  background-color: black;
  color: var(--color-two);
  border-color: var(--color-two);
  transform: scale(1.1);
}

h1 {
  font-weight: bold;
  font-size: 3rem;
  color: var(--color-three);
  background-color: rgba(0, 0, 0, 0.4);
  border-radius: 20px;
  border: 5px dashed white;
  margin-bottom: 0.5rem;
  padding: 10px 20px;
}

h2 {
  font-size: 2.2rem;
  margin: 0 5px;
  padding: 7.5px 30px;
  background-color: black;
  border-radius: 15px;
  border: 2.5px solid var(--color-three);
}

.left-over-header {
  color: var(--color-two);
}

.today-header {
  color: var(--color-one);
}

.done-header {
  color: var(--color-one);
}

#main-lists,
#done-lists {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

ul {
  width: 75%;
  margin: 1.5rem 0;
}

ul li {
  list-style-type: none;
  background-color: rgba(255, 255, 255, 0.4);
  padding: 0.75rem 1.5rem;
  border-bottom: 3px solid white;
  border-left: 3px solid white;
  font-weight: 600;
  font-size: 1.4rem;
  width: 100%;
  display: flex;
  justify-content: space-between;
  transition: all 0.9s ease-out;
}

.item-icon {
  color: white;
  cursor: pointer;
  margin: 0 10px;
  transition: all 0.75s;
  padding: 0.5rem;
  border-radius: 0.5rem;
  border: 2px solid transparent;
  transition: all 0.9s ease-out;
}

.item-icon:hover {
  color: black;
  background-color: var(--color-three);
  border-color: black;
  transform: scale(1.1);
}

.delete-button:hover {
  background-color: var(--color-two);
}

ul li.delete {
  opacity: 0;
  transform: scale(0);
  border-color: var(--color-two);
}

ul li.change-list {
  background-color: rgba(0, 0, 0, 0.4);
  color: white;
}

ul#later-list li {
  border-color: var(--color-two);
}

ul#today-list li {
  border-color: var(--color-three);
}

ul#later-list li.change-list {
  transform: scale(1.1) translateY(42.5%);
  border-color: var(--color-three);
}

li.change-list .item-icon {
  transform: scale(1.25);
}

ul#later-list li.change-list .item-icon {
  color: var(--color-three);
}

ul#today-list li.change-list {
  transform: scale(1.1) translateY(-42.5%);
  border-color: var(--color-two);
}

ul#today-list li.change-list .item-icon {
  color: var(--color-two);
}

nav {
  position: fixed;
  right: 0;
  top: 0;
  margin: 2rem 4rem;
}

nav i {
  font-size: 5.5rem;
  background-color: rgba(0, 0, 0, 0.7);
  color: var(--color-three);
  padding: 1rem;
  border-radius: 0.75rem;
  border: 5px solid var(--color-two);
  transition: transform 0.9s, color 0.9s, border-color 0.9s;
}

nav i:hover {
  transform: scale(1.1);
  border-color: var(--color-three);
  color: var(--color-two);
  background-color: black;
}

nav i:active {
  transform: scale(0.9);
}

#main-lists.hide,
#done-lists.hide {
  display: none;
}

@media (max-width: 1400px) {
  nav {
    margin: 1rem 2rem;
  }
}

@media (max-width: 1200px) {
  .container {
    width: 85%;
    max-width: 95%;
    margin-top: 10rem;
  }

  nav i {
    font-size: 3rem;
    padding: 1.5rem;
  }

  ul {
    width: 85%;
  }
}

@media (max-width: 1000px) {
  html {
    font-size: 90%;
  }
}

@media (max-width: 800px) {
  html {
    font-size: 80%;
  }

  .container {
    margin-top: 7.5rem;
    width: 95%;
  }

  nav i {
    font-size: 2rem;
    padding: 1rem;
  }

  ul {
    width: 95%;
  }

  input {
    width: 400px;
  }
}

@media (max-width: 600px) {
  html {
    font-size: 70%;
  }

  input {
    width: 300px;
  }
}