html {
  min-width: 100vw;
  min-height: 100vh;
}

body {
  width: 100%;
  height: 100%;
  font-size: 1.25rem;
  text-align: justify;
  hyphens: auto;
  color: hsl(210, 40%, 25%);
  background-color: hsl(215, 80%, 97%);
}

main {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
}

em {
  font-family: 'SemiBold';
  font-weight: 600;
  font-style: normal;
  color: inherit;
}

#ad-panel {
  width: calc(100% - 1rem);
  max-width: var(--contWidth);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin: 2rem 0;
  padding: 2rem 1rem 4rem;
  background-color: hsl(215, 80%, 99%);
  box-shadow: 0 0.75rem 0.5rem -0.5rem hsl(210, 40%, 85%);
  border: 1px solid hsl(0, 100%, 96%);
}

#ad-boards {
  width: 100%;
  max-width: 1280px;
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin: 2rem auto;

  .board {
    position: relative;
    min-width: 455px;
    flex: 1;
    padding: 2rem;
    border: 1px solid hsl(210, 40%, 95%);
    background-image: linear-gradient(110deg, hsl(215, 80%, 96%), hsl(215, 80%, 99%) 25%, hsl(215, 80%, 96%));
    box-shadow: var(--sXXLight);
    overflow: hidden;

    img {
      position: absolute;
      top: 3rem;
      bottom: 3rem;
      right: 1rem;
      height: calc(100% - 6rem);
    }

    .content {
      position: relative;
      display: flex;
      flex-direction: column;
      justify-content: flex-start;
      align-items: center;

      .day {
        display: block;
        padding: 0 0.2rem;
      }

      .date {
        display: block;
        font-family: 'Medium';
        font-size: 2.5rem;
        line-height: 1;
        padding: 0.25rem 0;
        color: hsl(30, 100%, 35%);
        white-space: nowrap;
      }

      .time {
        text-align: right;
        padding: 0 0.25rem;
      }

      .venue,
      .gps {
        font-family: 'SemiBold';
        font-size: 1rem;
        color: hsl(210, 50%, 40%);
        margin: 1.5rem 0 0;
      }

      .gps span {
        font-family: 'Medium';
        margin: 0 0.5rem;
        padding: 0 0.25rem;
        color: white;
        background-color: hsl(210, 50%, 65%);
      }
    }
  }
}

ul.agenda {
  list-style-type: none;

  li {
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
    padding-bottom: 0.5em;
  }

  li::before {
    font-size: 0.5em;
    content: "\25a0";
    margin-right: 0.75em;
    margin-top: 0.65em;
    color: var(--cBlue3);
  }
}

.acc {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0;
  border-bottom: 1px solid hsl(215, 80%, 85%);

  .acc-item {
    border: 1px solid transparent;
    border-bottom-width: 0;
    border-top-color: hsl(215, 80%, 85%);
    background-color: transparent;
  }

  .acc-button {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: 'Regular';
    text-transform: uppercase;
    padding: 0.75rem 1.5rem;
    transition: all 0.5s;
    cursor: pointer;

    .acc-button-text {
      display: flex;
      justify-content: flex-start;
      align-items: baseline;
      gap: 0.5rem;
    }

    .acc-button-icon {
      font-family: 'Icon';
      font-size: 175%;
      font-size: 1.5rem;
      font-weight: 600;
      line-height: 1;
      text-align: right;
      color: var(--cLink);
      transition: transform 0.5s;
    }

    .section {
      color: var(--cLink);
    }

    .city {
      font-family: 'Medium';
      font-size: 80%;
      color: var(--cBlue3);
    }
  }

  .acc-button.registration {
    background-color: var(--cBlue7);
  }

  .acc-button:hover {
    background-color: white;

    .acc-button-text .section,
    .acc-button-icon {
      color: var(--cOrange1);
    }
  }

  .acc-item.active {
    border: 1px solid hsl(215, 40%, 60%);
    background-color: white;

    .acc-button-icon {
      transform: rotate(-315deg) scale(1.667);
    }

    .acc-button,
    .acc-button.registration {
      font-family: 'Medium';
      font-size: 120%;
      background-color: white;
    }
  }

  .acc-panel.provisional,
  .acc-panel.final {
    .presenter span {
      font-family: 'Medium';
      font-size: 90%;
      margin-left: 0.5em;
      color: hsl(210, 40%, 50%);
    }
  }

  .acc-panel {
    display: none;
    font-size: 0.9rem;
    padding-bottom: 1rem;
    padding: 0 1.5rem 1.5rem;

    p {
      padding: 0.5rem 1.5rem;
    }

    .local-title {
      width: calc(100% + 1rem);
      font-family: 'Bold';
      text-transform: uppercase;
      letter-spacing: 0.75px;
      margin: 1rem -0.5rem 0.5rem;
      padding: 0.25rem 0.5rem;
      color: var(--cGray1);
      background-color: var(--cGray5);
    }
  }

  .acc-panel.final {

    .social,
    .presentation {
      border-top: 1px solid hsl(210, 40%, 80%);

      .time {
        width: 4em;
      }
    }

    .social {
      display: flex;
      padding: 0.5em 0;
      color: hsl(210, 40%, 60%);

      .kind {
        flex: 1;
        font-family: 'Bold';
        letter-spacing: 0.05em;
      }
    }

    .presentation {
      color: hsl(210, 40%, 30%);
      padding: 0.5em 0;

      .line {
        display: flex;
      }

      .title {
        flex: 1;
        font-family: 'Bold';
        letter-spacing: 0.01em;
      }

      .presenter {
        padding-left: 4em;
      }
    }
  }
}


a.linktoPDF {
  display: inline-flex;
  align-items: center;
  font-family: 'Medium';
  margin-right: -1rem;
  padding: 0.25rem 1rem;
  color: var(--cLink);
  border-radius: 0.4rem;
  border: 1px solid var(--cBlue5);
  background-color: var(--cBlue6);
}

a.linktoPDF:hover {
  color: hsl(25, 100%, 45%);
  background-color: var(--cBlue7);
}

.linktoPDF::before {
  font-family: 'Material-Symbols';
  font-size: 1.5rem;
  font-weight: 600;
  content: "\f090";
}

.linktoPDF::after {
  font-family: 'Medium';
  margin-left: 0.15rem;
  content: "stiahnuť";
}