/* 
    Index:
    - Reset
    - Sizes
    - Colours
    - Typography
    - Utilities
*/

/*  || RESET  */
/* Credit Josh Comeau: https://www.joshwcomeau.com/css/custom-css-reset/ */

*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

body {
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

#root,
#__next {
  isolation: isolate;
}

/*  || SIZES  */
html {
  font-size: 16px;

  @media (min-width: 1024px) {
    font-size: 20px;
  }
}

/*  || COLOURS  */
:root {
  --neutral-50: #fafafa;
  --neutral-100: #f5f5f5;
  --neutral-200: #e5e5e5;
  --neutral-300: #d4d4d4;
  --neutral-500: #737373;
  --neutral-700: #404040;
  --neutral-900: #171717;
  --primary: var(--neutral-700);
  --secondary: var(--neutral-500);
  --primary-yellow: linear-gradient(45deg, #b45309, #ca8a04);
  --secondary-yellow: linear-gradient(45deg, #fde68a, #fef9c3);
  --primary-blue: linear-gradient(45deg, #0369a1, #2563eb);
  --secondary-blue: linear-gradient(45deg, #bae6fd, #dbeafe);
  --primary-grey: linear-gradient(45deg, #404040, #57534e);
  --secondary-grey: linear-gradient(45deg, #e5e5e5, #f5f5f4);
  --primary-black: linear-gradient(45deg, #e2e8f0, #f3f4f6);
  --secondary-black: linear-gradient(45deg, #020617, #111827);
}

body {
  &.yellow {
    background: var(--secondary-yellow);
  }

  &.blue {
    background: var(--secondary-blue);
  }

  &.grey {
    background: var(--secondary-grey);
  }

  &.black {
    background: var(--secondary-black);
    --primary: var(--neutral-100);
    --secondary: var(--neutral-300);
  }
}

/*  || TYPOGRAPHY */
@font-face {
  font-family: "Arial Rounded Bold";
  src:
    local("Arial Rounded Bold"),
    url("assets/fonts/Arial Rounded Bold.woff") format("woff");
}

:root {
  --sans-serif: "Arial Rounded Bold", Arial, sans-serif;
}

body {
  font-family: var(--sans-serif);
  font-size: 1rem;
  line-height: 2rem;
  color: var(--neutral-700);
}

/*  || UTILITIES */
body {
  display: flex;
  flex-flow: column;
  min-height: 100vh;
  padding: 1rem 0;
}

main {
  flex: 1;
  display: flex;
  flex-flow: column;
}

.large {
  width: clamp(304px, 80%, 800px);
  margin: auto;
}

.nav {
  flex: 0;
  padding: 0.5rem;
  margin-bottom: 2rem;
  display: flex;
  flex-flow: row;
  justify-content: space-between;
  align-items: center;

  @media (min-width: 1024px) {
    padding: 1rem;
  }

  & .nav__logo {
    font-size: 1rem;
    line-height: 1rem;
    color: var(--secondary);

    @media (min-width: 1024px) {
      font-size: 2rem;
      line-height: 2rem;
    }

    & .nav__umbrella-required {
      color: var(--primary);
    }
  }

  & .nav__units {
    flex-shrink: 0;
    display: flex;
    flex-flow: row;
    border-radius: 2rem;
    outline: 4px solid var(--neutral-200);
    background-color: var(--neutral-200);

    & .nav__unit {
      appearance: none;
      height: 2rem;
      width: 3rem;
      border-radius: 2rem;
      background-color: var(--neutral-200);

      &:before {
        display: inline-block;
        width: 100%;
        text-align: center;
      }

      &[value="metric"]:before {
        content: "ºC";
      }
      &[value="us"]:before {
        content: "ºF";
      }

      &:checked {
        background-color: var(--neutral-700);
        color: var(--neutral-200);
      }

      &:hover {
        cursor: pointer;
      }
    }

    & label {
      display: none;
    }
  }
}

.search {
  flex: 0;
  position: relative;
  margin-top: 0;
  margin-bottom: 2rem;

  & input {
    width: 100%;
    padding: 1rem 2rem;
    height: 4rem;
    font-size: 2rem;
    line-height: 2rem;
    background-color: var(--neutral-50);
    border: solid 4px var(--neutral-200);
    border-radius: 2rem;
    color: var(--neutral-700);

    &:focus {
      outline: none;
      border: solid 4px var(--neutral-500);
    }
  }

  & button {
    height: 2rem;
    position: absolute;
    right: 1rem;
    top: 1rem;
    border: 0;
    background-color: var(--neutral-50);

    &:before {
      content: url("assets/icons/search.svg") / "Search icon";
      font-size: 2rem;
    }
  }
}

.weather-today {
  margin-bottom: 4rem;

  & .weather-today__title {
    margin-bottom: 1rem;
    color: var(--primary);
  }

  & .weather-today__container {
    display: flex;
    flex-flow: column;
    gap: 1rem;
    width: fit-content;
    margin: auto;
    text-align: center;

    @media (min-width: 1024px) {
      flex-flow: row;
      gap: 4rem;
    }

    & .weather-today__hero {
      display: flex;
      flex-flow: row;
      gap: 2rem;

      & .weather-today__hero-icon {
        display: flex;
        justify-content: center;
        align-items: center;
        height: 7rem;
        width: 7rem;

        @media (min-width: 1024px) {
          height: 9rem;
          width: 9rem;
        }

        & span {
          height: 7rem;
          width: 7rem;
          mask-size: cover;

          @media (min-width: 1024px) {
            height: 9rem;
            width: 9rem;
            mask-size: cover;
          }

          &.clear-day {
            mask-image: url("assets/icons/clear-day.svg");
            background: var(--primary-yellow);
          }

          &.clear-night {
            mask-image: url("assets/icons/clear-night.svg");
            background: var(--primary-black);
          }

          &.cloudy {
            mask-image: url("assets/icons/cloudy.svg");
            background: var(--primary-grey);
          }

          &.fog {
            mask-image: url("assets/icons/fog.svg");
            background: var(--primary-grey);
          }

          &.partly-cloudy-day {
            mask-image: url("assets/icons/partly-cloudy-day.svg");
            background: var(--primary-yellow);
          }

          &.partly-cloudy-night {
            mask-image: url("assets/icons/partly-cloudy-night.svg");
            background: var(--primary-black);
          }

          &.rain {
            mask-image: url("assets/icons/rain.svg");
            background: var(--primary-blue);
          }

          &.snow {
            mask-image: url("assets/icons/snow.svg");
            background: var(--primary-grey);
          }

          &.wind {
            mask-image: url("assets/icons/wind.svg");
            background: var(--primary-blue);
          }
        }
      }

      & .weather-today__hero-temp {
        font-size: 6rem;
        line-height: 6rem;
        color: var(--primary);

        @media (min-width: 1024px) {
          font-size: 8rem;
          line-height: 8rem;
        }
      }

      & .weather-today__hero-conditions {
        font-size: 1rem;
        line-height: 1rem;
        color: var(--secondary);
      }
    }

    & .weather-today__key-stats {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      column-gap: 2rem;
      grid-auto-rows: max-content;
      row-gap: 1rem;
      justify-items: center;
      color: var(--primary);

      & h4 {
        color: var(--secondary);
      }
    }
  }
}

.weather-forecast {
  display: flex;
  flex-flow: column;
  align-items: center;

  & .weather-forecast__title {
    align-self: flex-start;
    margin-bottom: 1rem;
    color: var(--primary);
  }

  & .weather-forecast__container {
    display: flex;
    flex-flow: column;
    gap: 1rem;

    @media (min-width: 1024px) {
      flex-flow: row;
      gap: 2rem;
    }
  }

  & .weather-forecast__item {
    display: flex;
    flex-flow: row;
    align-items: center;
    gap: 1rem;

    @media (min-width: 1024px) {
      flex-flow: column;
      justify-content: center;
      text-align: center;
    }

    & .weather-forecast__item-icon {
      display: flex;
      justify-content: center;
      align-items: center;
      height: 4rem;
      width: 4rem;
      background-color: var(--neutral-50);
      border-radius: 2rem;

      & span {
        width: 2rem;
        height: 2rem;
        mask-size: cover;
        background-color: var(--neutral-500);

        &.clear-day {
          mask-image: url("assets/icons/clear-day.svg");
        }

        &.clear-night {
          mask-image: url("assets/icons/clear-night.svg");
        }

        &.cloudy {
          mask-image: url("assets/icons/cloudy.svg");
        }

        &.fog {
          mask-image: url("assets/icons/fog.svg");
        }

        &.partly-cloudy-day {
          mask-image: url("assets/icons/partly-cloudy-day.svg");
        }

        &.partly-cloudy-night {
          mask-image: url("assets/icons/partly-cloudy-night.svg");
        }

        &.rain {
          mask-image: url("assets/icons/rain.svg");
        }

        &.snow {
          mask-image: url("assets/icons/snow.svg");
        }

        &.wind {
          mask-image: url("assets/icons/wind.svg");
        }
      }
    }

    & .weather-forecast__item-info {
      & .weather-forecast__item-date {
        font-size: 1rem;
        line-height: 1rem;
        color: var(--secondary);
      }

      & .weather-forecast__item-temp {
        font-size: 2rem;
        line-height: 2rem;
        color: var(--primary);

        @media (min-width: 1024px) {
          font-size: 1rem;
          line-height: 1rem;
        }
      }
    }
  }
}

.loading {
  width: 8rem;
  height: 8rem;
  margin: auto;
}