@import 'reset.css';
@import 'fonts.css';

:root {
  --color-white: #ffffff;
  --color-black: #000000;

  --color-dark-1: #1e1e1e;
  --color-dark-2: #2c2c2c;

  --color-gray-1: #f5f5f5;
  --color-gray-2: #d9d9d9;
  --color-gray-3: #757575;

  --border: 1px solid var(--color-gray-2);
  --border-radius: 8px;

  --input-height: 40px;

  --transition-duration: 0.2s;
}

body {
  font-family: 'Inter', sans-serif;
  display: flex;
  justify-content: center;
  align-items: start;
  min-height: 100vh;
  padding: 100px 30px;
  background-color: var(--color-gray-1);
}

input,
label,
button {
  transition-duration: var(--transition-duration);
}

:focus-visible {
  outline: 1px dashed var(--color-black);
  outline-offset: 4px;
  transition-duration: 0s !important;
}

.button {
  display: inline-flex;
  align-items: center;
  height: var(--input-height);
  padding: 12px;
  color: var(--color-gray-1);
  background-color: var(--color-dark-2);
  border: 1px solid var(--color-dark-2);
  border-radius: var(--border-radius);

  &:hover {
    color: var(--color-dark-2);
    background-color: transparent;
  }

  &:active {
    scale: 1.05;
  }
}

.field {
  position: relative;

  &:has(.field__input:not(:placeholder-shown)) .label {
    color: var(--color-black);
    scale: 0.7;
    translate: -1.75em -2.6em;
  }
}

.label {
  position: absolute;
  top: 50%;
  left: 17px;
  color: var(--color-gray-3);
  translate: 0 -50%;
  cursor: text;
}

.field__input {
  background-color: transparent;
  width: 100%;
  height: var(--input-height);
  padding-inline: 16px;
  border: var(--border);
  border-radius: var(--border-radius);

  &:hover,
  &:focus {
    border-color: var(--color-dark-2);
  }

  &:focus {
    background-color: var(--color-gray-1);
    outline: none;
  }

  &[type='search'] {
    &:placeholder-shown {
      padding-right: 48px;
      background-image: url('../images/search.svg');
      background-position: calc(100% - 16px) 50%;
      background-size: 16px;
      background-repeat: no-repeat;
    }
  }
}

.wrapper {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 100%;
  max-width: 404px;
  min-height: 430px;
  padding: 24px;
  background-color: var(--color-white);
  border: var(--border);
  border-radius: var(--border-radius);
  box-shadow: 0 4px 4px -4px rgba(12, 12, 13, 0.05),
    0 16px 32px -4px rgba(12, 12, 13, 0.1);
}

.title {
  text-align: center;
  font-size: 24px;
  font-weight: 600;
  line-height: 120%;
}

.todo__form {
  display: flex;
  gap: 16px;
}

.todo__field {
  width: 100%;
}

.todo__info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-weight: 600;
}

.todo__delete-all-button {
  padding: 0;
  background-color: transparent;
  border: none;

  &:hover,
  &:focus {
    color: var(--color-gray-3);
  }

  &:not(.is-visible) {
    opacity: 0;
    visibility: hidden;
  }
}

.todo__list,
.todo__empty-message {
  &:empty {
    display: none;
  }
}

.todo__list {
  display: grid;
  gap: 8px;
}

.todo__empty-message {
  text-align: center;
  color: var(--color-gray-3);
}

.todo-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-left: 10px;
  min-width: 0;
  border: var(--border);
  border-radius: var(--border-radius);
  transition-duration: var(--transition-duration);

  &:hover {
    background-color: var(--color-gray-1);
  }

  &.is-disappearing {
    opacity: 0;
    translate: 0 -75%;
    transition-duration: calc(var(--transition-duration) * 2);
    pointer-events: none;

    & ~ .todo-item {
      translate: 0 calc((100% + 8px) * -1);
      transition-delay: var(--transition-duration);
      transition-duration: var(--transition-duration);
      pointer-events: none;
    }
  }
}

.todo-item__checkbox {
  flex-shrink: 0;
  appearance: none;
  position: relative;
  width: 20px;
  height: 20px;
  margin: 0;
  border: 1px solid var(--color-gray-3);
  border-radius: 4px;
  cursor: pointer;

  &:checked {
    background-color: var(--color-dark-2);
    border-color: var(--color-dark-2);

    & + .todo-item__label {
      color: var(--color-gray-3);
      text-decoration: line-through;
    }
  }

  &:not(:checked) {
    &::after {
      opacity: 0;
    }
  }

  &::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    translate: -50% -50%;
    width: 16px;
    height: 16px;
    background-image: url('../images/check.svg');
    background-position: center;
    background-size: contain;
    background-repeat: no-repeat;
  }
}

.todo-item__label {
  flex: 1 1 auto;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.todo-item__delete-button {
  flex-shrink: 0;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 0;
  color: var(--color-gray-3);
  background-color: transparent;
  border: none;
  border-radius: inherit;

  &:hover {
    color: var(--color-white);
    background-color: var(--color-dark-1);

    & svg [stroke] {
      stroke: var(--color-white);
      transition-duration: var(--transition-duration);
    }
  }

  &:active {
    scale: 1.05;
  }

  * {
    pointer-events: none;
  }
}

@media (width <= 767px) {
  body {
    padding: 50px 15px;
  }

  .wrapper {
    padding: 16px;
  }
}

@media (width <= 480px) {
  body {
    font-size: 14px;
  }

  .todo__form {
    flex-direction: column;

    & .button {
      justify-content: center;
    }
  }
}