@import url('https://fonts.googleapis.com/css2?family=Josefin+Sans:wght@400;700&display=swap');

:root {
  --dark-theme: hsl(235, 21%, 11%);
  --todo-bg-drk: hsl(235, 24%, 19%);
  --txt-col-lgt: hsl(234, 39%, 85%);
  --ring-drk: hsl(233, 14%, 35%);
  --logo: hsl(236, 33%, 92%);

  --light-theme: hsl(236, 33%, 92%);
  --todo-bg-lgt: hsl(0, 0%, 98%);
  --txt-col-drk: hsl(235, 19%, 35%);
  --ring-lgt: hsl(236, 9%, 61%);
  --lght: hsl(233, 11%, 84%);

  --pri-active: hsl(220, 98%, 61%);
  --pri-grad-one: hsl(192, 100%, 67%);
  --pri-grad-two: hsl(280, 87%, 65%);
}

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

body {
  display: flex;
  flex-direction: column;
  font-family: 'Josefin Sans', sans-serif;
  width: 100vw;
  min-height: 100vh;
  background: var(--dark-theme);
  /* TEST */
  font-size: 18px;
  overflow-x: hidden;
  user-select: none;
  -moz-user-select: none;
  -webkit-user-select: none;
}

body.light {
  background: var(--light-theme);
}

.banner {
  padding-top: 30px;
  width: 100%;
  height: 35vh;
  background: url('./images/i-bg.jpg') center center/cover no-repeat;
  background-size: 100% 100%;
}

.banner.light {
  background-size: 100% 100%;
}

.banner-content {
  display: flex;
  justify-content: space-between;
  position: relative;
  align-items: center;
  padding: 40px;
  width: 40rem;
  max-width: 100%;
  margin: 20px auto 0;
}

.banner img {
  cursor: pointer;
}


.logo {
  letter-spacing: 0.8rem;
  text-align: center;
  font-size: 2rem;
  color: var(--todo-bg-lgt);
}

.content {
  position: relative;
  height: 100%;
  width: 100%;
  background-color: var(--dark-theme);
}

.content.light {
  background-color: var(--light-theme);
}

.container {
  position: relative;
  top: -120px;
  width: 40rem;
  max-width: 100%;
  margin: auto;
  padding: 0 30px;
}

form {
  box-shadow: 0 12px 50px rgba(0 0 0 / 0.45);
}

.add-todo {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem;
  border-radius: 6px;
  background-color: var(--todo-bg-drk);
}

.add-todo.light {
  background-color: var(--todo-bg-lgt);
}

.ring {
  width: 28px;
  height: 28px;
  border-radius: 100%;
  border: 1px solid var(--ring-drk);
}

.add-todo.light .ring {
  border-color: var(--lght);
}

.input {
  width: 100%;
  padding: 10px;
  margin-left: 8px;
  background: none;
  border: none;
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--txt-col-lgt);
}

.add-todo.light .input {
  color: var(--txt-col-drk);
  color: var(--dark-theme);
  font-weight: 600;
}

.input:focus {
  outline: none;
}

.todos {
  list-style-type: none;
  margin-top: 20px;
  border-top-left-radius: 6px;
  border-top-right-radius: 6px;
  background-color: var(--todo-bg-drk);
  min-height: 70px;
}

.todos.light {
  background-color: var(--todo-bg-lgt);
}

.todo {
  position: relative;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  padding: 1rem;
  border-bottom: 1px solid var(--ring-drk);
  cursor: pointer;
}

.todo img {
  position: absolute;
  right: 10px;
}

.todos.light .todo {
  border-bottom-color: var(--lght);
}

.todos.light .ring {
  border-color: var(--lght);
}

.todo-txt {
  color: var(--txt-col-lgt);
  margin-left: 8px;
  margin: auto 10px;
  text-align: start;
  font-size: 1rem;
  word-wrap: break-word;
}

.todos.light .todo-txt {
  color: var(--txt-col-drk);
  font-size: 1.1rem;
  font-weight: 500;
}

.todo.completed .todo-txt {
  text-decoration: line-through;
  color: var(--ring-drk);
}

.todos.light .todo.completed .todo-txt {
  color: var(--lght);
}

.mark-item {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  z-index: 100;
}

.chkboxes {
  visibility: hidden;
  position: absolute;
  width: 100%;
  height: 100%;
  cursor: pointer;
}

label {
  width: 100%;
  height: 100%;
  z-index: 1000;
  cursor: pointer;
}

.chkboxes:checked+label {
  background: linear-gradient(var(--pri-grad-one), var(--pri-grad-two));
}

.chkboxes:checked+label::before {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  zoom: 1.3;
}

.btns-container {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  border-bottom-left-radius: 6px;
  border-bottom-right-radius: 6px;
  background-color: var(--todo-bg-drk);
  color: var(--ring-drk);
}

.btns-container.light {
  background-color: var(--todo-bg-lgt);
  color: var(--ring-lgt);
}

.btns {
  position: absolute;
  bottom: -80px;
  left: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  padding: 18px;
  border-radius: 6px;
  background-color: var(--todo-bg-drk);
  box-shadow: 0 12px 30px rgba(0 0 0 / 0.45);
}

.btns-container.light .btns {
  background-color: var(--todo-bg-lgt);
}

.btn {
  background: 0;
  border: 0;
  cursor: pointer;
  color: var(--ring-drk);
}

.btns-container.light .btn {
  color: var(--ring-lgt);
}

.btn.active {
  color: var(--pri-active);
}

.btns-container.light .btn.active {
  color: var(--pri-active);
}

.btns .btn {
  margin: auto 10px;
  font-weight: 700;
  font-size: 0.9rem;
}

.clear {
  font-size: 0.81rem;
}

.info {
  --info-col: hsl(234, 11%, 52%);
  display: block;
  position: relative;
  margin-top: 20px;
  text-align: center;
  color: var(--info-col);
  opacity: 0.7;
}

.hide {
  display: none;
}

.fade-out {
  opacity: 0.99;
}


@media screen and (min-width: 768px) {
  .logo {
    letter-spacing: 1rem;
    font-size: 2.5rem;
  }

  .banner {
    background-size: 100% 100%;
  }

  .banner.banner.light {
    background-size: 100% 100%;
  }

  .todo img {
    display: none;
    transition: 0.5s ease-in;
  }

  .todo:hover img {
    display: inline-block;
  }

  .btns {
    position: relative;
    bottom: 0;
    top: 0;
    width: 0;
    max-width: 100%;
    padding: 0;
    border-radius: 0;
    background-color: none;
    box-shadow: none;
  }

  .info {
    margin-top: -30px;
  }
}

@media screen and (max-height: 768px) {
  .banner-content {
    padding-top: 20px;
  }

  .container {
    top: -90px;
  }
}

@media screen and (max-height: 600px) {
  .container {
    top: -40px;
  }
}

@media (hover: hover) and (pointer: fine) {
  .btn:hover {
    color: var(--txt-col-lgt);
  }

  .btns-container.light .btn:hover {
    color: var(--txt-col-drk);
  }

  .mark-item:hover {
    border: none;
    cursor: pointer;
  }

  .mark-item:hover::before {
    content: '';
    position: absolute;
    border-radius: 100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(var(--pri-grad-one), var(--pri-grad-two));
    z-index: -100;
    cursor: pointer;
  }

  .todos.light .mark-item:hover::before {
    background: linear-gradient(var(--pri-grad-one), var(--pri-grad-two));
  }

  .mark-item:hover::after {
    content: '';
    position: absolute;
    margin: 1px auto;
    width: 90%;
    height: 90%;
    border-radius: 100%;
    background-color: var(--todo-bg-drk);
    cursor: pointer;
  }

  .todos.light .mark-item:hover::after {
    background-color: var(--todo-bg-lgt);
  }
}