:root {
  --color-accent: #f38200;
  --content-padding: 2rem;
  --color-table: #ececec;
  --border-radius-table: 1rem;
}

body {
  font-family: sans-serif;
  margin: 0;
  padding: 0;
  min-width: 1200px;
}

header {
  min-height: 4rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: 1rem;
  padding-left: var(--content-padding);
  padding-right: var(--content-padding);
  min-width: 1100px;

  /* Logo */
  & .logo {
    margin-right: auto;

    & a, & a:visited {
      color: black;
      text-decoration: none;
    }
  }

& .toggle-button, & .lang {
  /* Add a border with some spacing to the buttons/labels */
  > div {
    display: flex;
    flex-direction: row;
    padding: 3px;
    --border: 1px solid lightgrey;
    border: var(--border);
    border-radius: 7px;
  }

  &:hover, & *:hover {
    cursor: pointer;
  }

  & label, & a, & a:visited {
    color: black;
    display: block;
    padding: 0.5rem;
    text-align: center;
    user-select: none;
    transition: background-color 0.2s ease;
    text-decoration: none;
  }

  /* Hide the actual inputs, but color the selected neighboring button/label */
  & input {
    display: none;
  }

  & input:checked + label, & a.selected {
    background-color: var(--color-accent);
    color: white;
  }
}

  /* Keep entries button */
  & .toggle-button {
    & label {
      border-radius: 5px;
    }
  }

  /* Language selector */
  & .lang {
    display: flex;

    /* Add rounded corners at the left and right most button/label
       and separate each with a border on the right */
    & label, & a {
      border-right: var(--border);
      width: 3.5rem;

     &:first-of-type {
      border-top-left-radius: 5px;
      border-bottom-left-radius: 5px;
     }

     &:last-of-type {
      border-top-right-radius: 5px;
      border-bottom-right-radius: 5px;
      border: none;
     }
    }
  }
}

@media only screen and (max-width: 700px) {
  header .logo span {
    font-size: 1.15rem;
  }
}

main {
  padding-left: var(--content-padding);
  padding-right: var(--content-padding);
  margin-top: 2rem;
  min-height: 90vh;

  .status {
    display: grid;
    grid-template-columns: [col1] 1fr [col2] 1fr [col3] 1fr;
    grid-template-rows: [row1] 1fr [row2] 2fr [row3] 1fr [row4] 2fr;
    background-color: #ececec;
    border-bottom-left-radius: 1rem;
    border-bottom-right-radius: 1rem;
    border-top-left-radius: 1rem;
    border-top-right-radius: 1rem;
  }

  .status>:nth-child(1) {
    background-color:rgb(214, 214, 214);
    border-top-left-radius: 1rem;
  }

  .status>:nth-child(2), .status>:nth-child(8) {
    background-color:rgb(214, 214, 214);
    border-left: 1px solid grey;
    border-right: 1px solid grey;
  }

  .status>:nth-child(3) {
    background-color:rgb(214, 214, 214);
    border-top-right-radius: 1rem;
  }

  .status>:nth-child(7), .status>:nth-child(9) {
    background-color:rgb(214, 214, 214);
  }

  .status>:nth-child(5), .status>:nth-child(11) {
    border-left: 1px solid grey;
    border-right: 1px solid grey;
  }
  .status>:nth-child(4), .status>:nth-child(5), .status>:nth-child(6), .status>:nth-child(10), .status>:nth-child(11), .status>:nth-child(12) {
    display: flex; 
    justify-content: center; 
    align-items: center;
  }

  .status__header {
    padding-left: 1rem;
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
  }

  .status__value {
    font-size: 3rem;
  }

  .status__s_meter {
    font-size: 2rem;
  }

  & table {
    width: 100%;
    border-spacing: 0;
    padding-top: 2rem;

    & th {
      padding: 1rem;
    }

    & tbody tr {
      /* Add rounded corners to the top */
      &:first-child {
        & td {
          padding-top: 1.2rem;
        }

        & td:first-child {
          border-top-left-radius: var(--border-radius-table);
        }

        & td:last-child {
          border-top-right-radius: var(--border-radius-table);
        }
      }

      /* Add rounded corners to the bottom */
      &:nth-last-child(2), &.placeholder {
        & td {
          padding-bottom: 1.2rem;
        }

        & td:first-child {
          border-bottom-left-radius: var(--border-radius-table);
        }

        & td:last-child {
          border-bottom-right-radius: var(--border-radius-table);
        }
      }

      
      /* Add separating lines between the rows */
      &:not(:nth-last-child(2)):not(.placeholder) {
        & td::after {
          content: '';
          position: absolute;
          left: 0;
          bottom: 0;
          height: 1px;
          width: 100%;
          border-bottom: 1px solid grey;
        }

        /* Let the lines start and end with some spacing */
        & td:first-child::after {
          left: 2rem;
          width: calc(100% - 2rem);
        }

        & td:last-child::after {
          width: calc(100% - 2rem);
        }
      }
    }

    & td {
      padding: 0.7rem 0;
      background-color: var(--color-table);
      text-align: center;
      position: relative;
    }

    /* Transmission indicator circle */
    & td:is(.active, .inactive) > span {
      display: inline-block;
      width: 1.5rem;
      height: 1.5rem;
      background-color: rgb(153, 228, 41);
      border-radius: 500px;
      border: 2px solid rgb(94 218 36);
    }

    & td.inactive > span {
      background-color: rgb(214 214 214);
      border: 2px solid rgb(189 189 189);
    }

    /* Connection type icons */
    & td.connection img {
      width: 1.5rem;
      height: 1.5rem;
      margin-right: 0.3rem;
    }

    /* Caller id or name tag icon */
    & td.caller img {
      width: 1rem;
      height: 1rem;
      margin-right: 0.5rem;
      cursor: pointer;
    }

    & tr.placeholder {
      display: none;

      &:only-child {
        display: table-row;
      }
    }
  }

  &.table > section {
    overflow-x: auto;
  }

  &.article {
    display: grid;
    grid-template-columns: 1fr minmax(0, 45rem) 1fr;
    gap: 6rem;

    & section {
      grid-column: 2;
    }
  }

  & aside {
    position: sticky;
    top: 0;
    display: flex;
    flex-direction: row;
    justify-content: center;
    min-width: 10rem;

    & ul {
      padding: 0;
      margin: 0;
      margin-top: 1rem;
      position: sticky;
      top: 4rem;
      list-style-type: none;
    }

    & nav {
      max-width: 100%;
    }

    & li {
      font-size: 1.1rem;
      margin-bottom: 1rem;
      overflow: hidden;
      white-space: nowrap;
      text-overflow: ellipsis;
      min-width: 0;
    }
  }

  & article {
    & p {
      font-size: 1.1rem;
      line-height: 1.6rem;
    }

    & :is(h1,h2,h3,h4,h5) {
      position: relative;

      & > a {
        display: block;
        position: absolute;
        padding: 0.5rem;
        top: -0.5rem;
        left: -1.5rem;
        color: grey;
        text-decoration: none;
        visibility: hidden;
        opacity: 0;
        transform: translateX(0.5rem);
        transition: 0.2s ease-in-out;

        &:hover {
          text-decoration: underline;
          color: black;
        }

        &::after {
          content: '#';
          font-weight: bold;
          cursor: pointer;
        }
      }

      &:hover > a, & > a:hover {
        visibility: visible;
        opacity: 1;
        transform: translateX(0);
      }
    }
  }
}

@media only screen and (max-width: 800px) {
  main.article {
    gap: 2rem;
  }

  main.article aside {
    display: none;
  }
}

footer {
  min-height: 10rem;
  padding: 2rem;
  padding-right: 4rem;
  padding-top: 6rem;
  display: flex;
  flex-direction: row;
  justify-content: flex-end;
  gap: 4rem;

  & section {
    display: flex;
    flex-direction: column;
  }

  & ul {
    list-style: none;
    padding: 0;
    margin: 0;
  }

  & li {
    margin-bottom: 0.8rem;
    text-wrap: nowrap;
  }

  & a {
    text-decoration: none;

    &:hover, &:focus {
      text-decoration: underline;
    }

    /* Do not underline the emojis */
    & > span {
      display: inline-block;
      text-decoration: none !important;
    }
  }

  & section.description {
    font-style: italic;
    justify-content: space-evenly;
    margin-right: auto;
  }
}

@media only screen and (max-width: 800px) {
  footer {
    justify-content: center;
    flex-wrap: wrap;

    & section.description {
      max-width: 16rem;
      margin: 0;
    }
  }
}

@keyframes fall-in {
  0% {
    opacity: 0.3;
    transform: translateY(-1rem);
  }

  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

#error-modal {
  margin-top: 0;
  border: none;
  outline: none;
  border-bottom-left-radius: var(--border-radius-table);
  border-bottom-right-radius: var(--border-radius-table);
  min-width: 12rem;
  max-width: min(100% - 4rem, 32rem);
  box-sizing: border-box;
  padding: 1rem 2rem;
  box-shadow: 2px 2px 8px 1px #00000030;

  position: relative;
  flex-direction: row;
  align-items: center;
  gap: 1.5rem;

  &::backdrop {
    background: #c3d7d930;
  }

  &[open] {
    display: flex;
    animation: fall-in 0.3s ease-out;
  }

  & > img {
    width: 4rem;
    aspect-ratio: 1;
    object-fit: cover;
  }

  /* Close button placed in the top right corner */
  & > form {
    position: absolute;
    top: 5px;
    right: 5px;

    & button {
      background: none;
      outline: none;
      border: none;
      
      & img {
        width: 1rem;
        aspect-ratio: 1;
        object-fit: cover;
      }

      &:hover {
        cursor: pointer;
      }
    }
  }
}