// Date Picker

.usa-date-picker__wrapper {
  display: none;
  position: relative;

  &:focus {
    outline: 0;
  }
}

// Date Picker -- initialized

%usa-date-picker__button {
  background-color: color("base-lightest");
  border: 0;
  width: 100%;

  &:not([disabled]) {
    cursor: pointer;

    &:focus {
      outline-offset: -4px;
    }

    &:hover {
      background-color: color("base-lighter");
    }

    &:active {
      background-color: color("base-light");
    }
  }
}

.usa-date-picker--active {
  .usa-date-picker__button {
    background-color: #f0f0f0;
  }

  .usa-date-picker__calendar {
    z-index: z-index(400);
  }
}

.usa-date-picker__button {
  @extend %usa-date-picker__button;
  @include add-background-svg("calendar-alt-solid");
  align-self: stretch;
  background-color: transparent;
  background-position: center;
  background-size: units(3);
  margin-top: 0.5em;
  width: 3em;
}

.usa-date-picker--initialized {
  .usa-date-picker__wrapper {
    display: flex;
  }
}

// Date Picker - Calendar View

.usa-date-picker__calendar {
  background-color: color("base-lightest");
  left: 0;
  position: absolute;
  width: 100%;
  z-index: z-index(100);
}

// Date Picker - Table

.usa-date-picker__calendar__table {
  border-spacing: 0;
  border-collapse: collapse;
  table-layout: fixed;
  text-align: center;
  width: 100%;

  th {
    font-weight: normal;
  }

  td {
    padding: 0;
  }
}

// Date Picker - Grid

.usa-date-picker__calendar__row {
  @include grid-row;
  text-align: center;
  width: 100%;
}

.usa-date-picker__calendar__cell {
  background-color: color("base-lightest");
  flex: 1;
}

.usa-date-picker__calendar__cell--center-items {
  display: flex;
  justify-content: center;
  align-items: center;
}

// Date Picker - Date Selection View

.usa-date-picker__calendar__previous-year,
.usa-date-picker__calendar__previous-month,
.usa-date-picker__calendar__next-year,
.usa-date-picker__calendar__next-month {
  @extend %usa-date-picker__button;
  background-position: center;
  background-size: auto units(2.5);
  height: units(3);
  padding: 20px 10px;
}

.usa-date-picker__calendar__previous-year:not([disabled]) {
  @include add-background-svg("angle-double-left-solid");
}

.usa-date-picker__calendar__previous-month:not([disabled]) {
  @include add-background-svg("angle-left-solid");
}

.usa-date-picker__calendar__next-year:not([disabled]) {
  @include add-background-svg("angle-double-right-solid");
}

.usa-date-picker__calendar__next-month:not([disabled]) {
  @include add-background-svg("angle-right-solid");
}

.usa-date-picker__calendar__day-of-week {
  padding: 6px 0px;
}

.usa-date-picker__calendar__date {
  @extend %usa-date-picker__button;
  padding: 10px 0px;

  &--focused {
    @include focus-outline($width: 2px, $offset: -2px, $color: "blue-warm-80v");
    position: relative;
    z-index: z-index(100);
  }

  &--next-month:not([disabled]),
  &--previous-month:not([disabled]) {
    color: color("gray-warm-60");
  }

  &--selected,
  &--range-date {
    background-color: color("primary-vivid");
    color: color("gray-2");

    &:not([disabled]) {
      background-color: color("primary-vivid");
      color: color("gray-2");

      &:hover {
        background-color: color("primary-vivid");
        color: color("gray-10");
      }

      &:focus {
        background-color: color("primary-vivid");
        color: color("gray-2");
      }

      &:active {
        background-color: color("primary-dark");
      }
    }
  }

  &--range-date-start {
    border-top-left-radius: 10%;
    border-bottom-left-radius: 10%;
  }

  &--range-date-end {
    border-top-right-radius: 10%;
    border-bottom-right-radius: 10%;
  }

  &--within-range {
    background-color: color("blue-10v");

    &:not([disabled]) {
      background-color: color("blue-10v");

      &:hover {
        background-color: color("blue-10v");
      }

      &:focus {
        background-color: color("blue-10v");
      }

      &:active {
        background-color: color("blue-10v");
      }
    }
  }
}

.usa-date-picker__calendar__month-label {
  flex: 4;
  text-align: center;
}

.usa-date-picker__calendar__year-selection,
.usa-date-picker__calendar__month-selection {
  @extend %usa-date-picker__button;
  display: inline-block;
  height: 100%;
  padding: 8px 4px;
  width: auto;
}

// Date Picker - Month Selection View

.usa-date-picker__calendar__month-picker {
  padding: 20px 5px;
}

.usa-date-picker__calendar__month {
  @extend %usa-date-picker__button;
  padding: 10px 0;

  &--focused {
    @include focus-outline($width: 2px, $offset: -2px, $color: "blue-warm-80v");
    position: relative;
    z-index: z-index(100);
  }

  &--selected {
    background-color: color("primary-vivid");
    color: color("gray-2");

    &:not([disabled]) {
      background-color: color("primary-vivid");
      color: color("gray-2");

      &:hover {
        background-color: color("primary-vivid");
        color: color("gray-10");
      }

      &:focus {
        background-color: color("primary-vivid");
        color: color("gray-2");
      }

      &:active {
        background-color: color("primary-dark");
      }
    }
  }
}

// Date Picker - Year Selection View

.usa-date-picker__calendar__year-picker {
  padding: 20px 5px;
}

.usa-date-picker__calendar__previous-year-chunk,
.usa-date-picker__calendar__next-year-chunk {
  @extend %usa-date-picker__button;
  background-position: center;
  background-size: auto units(4);
  margin: auto;
  padding: 40px 0;
}

.usa-date-picker__calendar__previous-year-chunk:not([disabled]) {
  @include add-background-svg("angle-left-solid");
}

.usa-date-picker__calendar__next-year-chunk:not([disabled]) {
  @include add-background-svg("angle-right-solid");
}

.usa-date-picker__calendar__year {
  @extend %usa-date-picker__button;
  padding: 10px 0;

  &--focused {
    @include focus-outline($width: 2px, $offset: -2px, $color: "blue-warm-80v");
    position: relative;
    z-index: z-index(100);
  }

  &--selected {
    background-color: color("primary-vivid");
    color: color("gray-2");

    &:not([disabled]) {
      background-color: color("primary-vivid");
      color: color("gray-2");

      &:hover {
        background-color: color("primary-vivid");
        color: color("gray-10");
      }

      &:focus {
        background-color: color("primary-vivid");
        color: color("gray-2");
      }

      &:active {
        background-color: color("primary-dark");
      }
    }
  }
}
