:root {
  --background-color: white;
  --input-color: white;
  --box-shadow: #c2c3d680;
  --task-input: #9495a5;
  --container-bg: white;
  --border-color: #e3e4f1;
  --task-container-paragraphs-color: #494c6b;
  --state-switch: white;
  --background-image: url("./images/lightmode-bg.jpg");
  --checkmark-color : white;
}

/* Dark mode */
[data-theme="dark"] {
  --background-color: #171823;
  --input-color: #25273d;
  --box-shadow: #00000080;
  --task-input: #767992;
  --container-bg: #25273d;
  --border-color: #393a4b;
  --task-container-paragraphs-color: #c8cbe7;
  --state-switch: #25273d;
  --background-image: url("./images/darkmode-bg.jpg");
  --checkmark-color : #171823;
  /* --task-color: #C8CBE7; */
}

*,
*::after,
*::before {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  text-decoration: none;
}

body {
  background-color: var(--background-color);
  background-image: var(--background-image);
  background-repeat: no-repeat;
  background-size: 90rem 18.75rem;
  font-family: "Josefin Sans", sans-serif;
  transition: 0.2s linear;
}

.heading__elements {
  max-width: 33.8125rem;
  width: 100%;
  margin-inline: auto;
  height: 4rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 21.75rem;
  padding-top: 4.38rem;
  padding-bottom: 2.5rem;
}

.heading__elements h1 {
  color: #fff;
  font-size: 2.5rem;
  font-style: normal;
  line-height: normal;
  letter-spacing: 0.9375rem;
}

.mode__btn {
  max-width: 1.56956rem;
  width: 100%;
  height: 1.625rem;
}

img.mode__btn:hover,
.check__task:hover,
.task:hover,
.clear__btn:hover,
.switch__state p:hover,
.clear__completed__tasks:hover {
  cursor: pointer;
}

.input__element {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding-left: 1.5rem;
  max-width: 33.75rem;
  width: 100%;
  margin-inline: auto;
  height: 4rem;
  border-radius: 0.3125rem;
  background: var(--input-color);
  box-shadow: 0px 35px 50px -15px var(--box-shadow);
  margin-bottom: 1.5rem;
}

.container {
  max-width: 33.75rem;
  width: 100%;
  margin-inline: auto;
}

.rounded__btn {
  height: 1.5rem;
  width: 1.5rem;
  border: 1px solid var(--border-color);
  border-radius: 100%;
  position: relative;
}

/* Add background color to checked todo */
.checked {
  background: linear-gradient(45deg, #55ddff, #c058f3);
}

.check__task::after {
  content: "✔";
  font-size: 1rem;
  font-weight: bolder;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--checkmark-color);
  position: absolute;
  left: 15%;
  opacity: 100;
}

.task__input {
  color: var(--task-input);
  background-color: var(--input-color);
  font-family: "Josefin Sans";
  font-size: 1.125rem;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  letter-spacing: -0.01563rem;
  outline: none;
  border: none;
}

.container {
  max-width: 33.75rem;
  border-radius: 0.3125rem;
  background: var(--container-bg);
  box-shadow: 0px 35px 50px -15px var(--box-shadow);
}

.task__container {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding-left: 1.5rem;
  background-color: var(--background-color);
  border-bottom: 1px solid var(--border-color);
  padding-top: 1.31rem;
  padding-bottom: 1.56rem;
}

.task__container p {
  color: var(--task-container-paragraphs-color);
  font-size: 1.125rem;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  letter-spacing: -0.01563rem;
}

.options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-inline: 1.5rem;
  padding-top: 1rem;
  padding-bottom: 1.25rem;
  background-color: var(--background-color);
}

.switch__state {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.19rem;
}

.options p {
  color: var(--task-input);
  text-align: right;
  font-size: 0.875rem;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
  letter-spacing: -0.01213rem;
}

.switch__state p {
  color: var(--task-input);
  font-weight: 700;
}

.switch__state .active {
  color: #3a7cfd;
}

.task__list {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.clear__btn {
  padding-right: 1.5rem;
}

@media screen and (max-width: 768px) {
  .heading__elements {
    max-width: 20.3125rem;
    width: 100%;
    gap: 10rem;
  }

  .heading__elements h1 {
    font-size: 1.5rem;
  }

  .input__element {
    max-width: 20.4375rem;
    width: 100%;
    height: 3rem;
    gap: 0.75rem;
  }

  .task__input {
    font-size: 0.75rem;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: -0.01044rem;
  }

  .task__container,
  .container {
    max-width: 20.4375rem;
    width: 100%;
  }

  .task__container {
    gap: 0.75rem;
    padding-top: 1.19rem;
    padding-bottom: 1.31rem;
  }

  .clear__btn {
    max-width: 2.3rem;
    width: 100%;
  }

  .task__container p {
    font-size: 0.75rem;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: -0.01044rem;
  }

  .check__task::after {
    font-size: 0.8rem;
    left: 20%;
    top: 7%;
  }

  .options {
    position: relative;
    padding-inline: 1.25rem;
    margin-bottom: 1rem;
  }

  .options p {
    font-size: 0.75rem;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    letter-spacing: -0.01044rem;
  }

  .switch__state {
    max-width: 20.4375rem;
    width: 100%;
    height: 3rem;
    flex-shrink: 0;
    position: absolute;
    top: 150%;
    left: 0.5%;
    border-radius: 0.3125rem;
    background: var(--state-switch);
    box-shadow: 0px 35px 50px -15px var(--box-shadow);
    padding-top: 0.94rem;
    padding-bottom: 1.19rem;
    padding-inline: 5rem;
  }

  .switch__state p {
    font-size: 0.875rem;
  }
}

@media screen and (min-width: 2000px) {
  body {
    background-size: 200rem 18.75rem;
  }
}