/* ============================================================
   Study Details Page Styles
   Specific styles for focusgroup-details.html page
   ============================================================ */

:root {
  /* Colors */
  --study-text-color: #4B465C;
  --study-link-color: #13b5f7;
  --study-bg-white: #fff;
  --study-overlay-bg: rgba(0, 0, 0, 0.5);
  --study-close-hover: #333;
  --study-close-default: #666;

  /* Spacing */
  --study-gap-small: 0.5rem;      /* 8px */
  --study-gap-medium: 0.75rem;    /* 12px */
  --study-gap-large: 1rem;        /* 16px */
  --study-gap-xlarge: 1.5rem;     /* 24px */
  --study-gap-2xlarge: 2rem;      /* 32px */
  --study-gap-3xlarge: 2.5rem;    /* 40px */

  /* Layout */
  --study-left-col-width: 60%;
  --study-right-col-width: 40%;
  --study-border-radius: 0.25rem;      /* 4px */
  --study-modal-radius: 0.5rem;        /* 8px */
  --study-modal-max-width: 43.75rem;   /* 700px */
  --study-card-max-width: 21.25rem;    /* 340px */

  /* Typography */
  --study-font-size-default: 1rem;     /* 16px */
  --study-font-size-heading: 1.25rem;  /* 20px */
  --study-font-size-modal-h: 1.5rem;   /* 24px */
  --study-font-size-close: 1.75rem;    /* 28px */
  --study-font-size-tablet-h1: 2rem;   /* 32px */
  --study-font-size-desktop-h1: 2.25rem; /* 36px */
  --study-line-height-normal: 1.6;
  --study-line-height-loose: 1.7;
  --study-line-height-mobile: 1.65;

  /* Specific Spacing */
  --study-margin-top-title: 2.75rem;   /* 44px */
  --study-max-height-truncated: 20.625rem; /* 330px */
  --study-modal-margin-bottom: 1.25rem; /* 20px */
}

/* Title Section */
.details-title-wrapper {
  padding: 0 var(--study-gap-medium);
  margin-top: var(--study-margin-top-title);
  margin-bottom: var(--study-gap-xlarge);

  & .heading-text {
    margin-bottom: 0;
  }
}

/* Main Content Layout - 60/40 Split */
.details-content-wrapper {
  display: flex;
  flex-direction: row;
  gap: var(--study-gap-2xlarge);
  padding: 0 var(--study-gap-medium);
  margin-bottom: var(--study-gap-3xlarge);
}

.details-left-column {
  flex: 0 0 var(--study-left-col-width);
  max-width: var(--study-left-col-width);

  & .detail-register {
    width: 100%;
    margin-bottom: var(--study-gap-large);
  }

  & .details-banner {
    margin-top: 0;
    display: flex;

    & img {
      width: 100%;
      height: auto;
      border-radius: var(--study-border-radius);
    }
  }
}

.details-right-column {
  flex: 0 0 calc(var(--study-right-col-width) - var(--study-gap-2xlarge));
  max-width: calc(var(--study-right-col-width) - var(--study-gap-2xlarge));
  display: flex;
  flex-direction: column;
  justify-content: space-between;

  & .details-description {
    margin-top: 0;
    margin-bottom: var(--study-gap-xlarge);

    & .item__heading {
      margin-bottom: var(--study-gap-large);
      font-size: var(--study-font-size-heading);
      font-weight: 600;
      color: var(--study-text-color);
    }
  }

  & .description-content {
    font-size: var(--study-font-size-default);
    line-height: var(--study-line-height-normal);
    color: var(--study-text-color);

    &.truncated {
      max-height: var(--study-max-height-truncated);
      overflow: hidden;
      position: relative;

      &::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: var(--study-gap-3xlarge);
        background: linear-gradient(transparent, var(--study-bg-white));
      }

      @media (min-width: 768px) and (max-width: 992px) {
        max-height: 6.5rem;
      }

      @media (min-width: 992px) and (max-width: 1200px) {
        max-height: 12rem;
      }

      @media (min-width: 1200px) and (max-width: 1499px) {
        max-height: 15rem;
      }
    }

    & p {
      margin-bottom: var(--study-gap-medium);
    }

    & ol,
    & ul {
      margin-bottom: var(--study-gap-medium);
      padding-left: var(--study-gap-xlarge);
    }

    & li {
      margin-bottom: var(--study-gap-small);
    }
  }
}

/* Responsive title sizing */
@media (min-width: 768px) and (max-width: 1200px) {
  .details-title-wrapper .heading-text {
    font-size: var(--study-font-size-tablet-h1);
  }
}

@media (min-width: 1200px) and (max-width: 1440px) {
  .details-title-wrapper .heading-text {
    font-size: var(--study-font-size-desktop-h1);
  }
}

/* See More Link */
.see-more-link {
  display: none;
  color: var(--study-link-color);
  font-weight: 600;
  text-decoration: none;
  margin-top: var(--study-gap-medium);

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

/* Bottom Register Button */
.details-register-bottom {
  margin-top: auto;

  & .detail-register {
    width: 100%;
  }
}

/* Ad Section */
.details-ad-section {
  padding: 0 var(--study-gap-medium);
  margin-bottom: var(--study-gap-3xlarge);
}

/* Other Focus Groups Section */
.other-focus-groups-section {
  padding: 0 var(--study-gap-medium);
}

.other-focus-groups-grid .studies {
  max-width: 100%;
}

.view-all-wrapper {
  text-align: center;
  margin-top: var(--study-gap-2xlarge);
  margin-bottom: var(--study-gap-3xlarge);
}

/* Description Modal */
.description-modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--study-overlay-bg);
  z-index: 101;

  &.overlay_active {
    display: block;
  }
}

.description-modal {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  max-width: var(--study-modal-max-width);
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  padding: var(--study-gap-3xlarge);
  background-color: var(--study-bg-white);
  border-radius: var(--study-modal-radius);
  box-shadow: 0 0.25rem 1.25rem rgba(0, 0, 0, 0.15);
  z-index: 102;

  &.modal_active {
    display: block;
  }

  & .modal-close {
    position: absolute;
    top: var(--study-gap-large);
    right: var(--study-gap-large);
    background: none;
    border: none;
    font-size: var(--study-font-size-close);
    cursor: pointer;
    color: var(--study-close-default);
    line-height: 1;
    padding: 0;
    width: var(--study-gap-2xlarge);
    height: var(--study-gap-2xlarge);

    &:hover {
      color: var(--study-close-hover);
    }
  }

  & .item__heading {
    margin-bottom: var(--study-modal-margin-bottom);
    font-size: var(--study-font-size-modal-h);
    font-weight: 600;
    color: var(--study-text-color);
  }
}

.modal-description-content {
  font-size: var(--study-font-size-default);
  line-height: var(--study-line-height-loose);
  color: var(--study-text-color);

  & p {
    margin-bottom: var(--study-gap-large);
  }

  & ol,
  & ul {
    margin-bottom: var(--study-gap-large);
    padding-left: var(--study-gap-xlarge);
  }

  & li {
    margin-bottom: var(--study-gap-small);
  }
}

/* Responsive Layout - Tablet */
@media only screen and (max-width: 991px) {
  .details-left-column {
    flex: 0 0 55%;
    max-width: 55%;
  }

  .details-right-column {
    flex: 0 0 calc(45% - var(--study-gap-2xlarge));
    max-width: calc(45% - var(--study-gap-2xlarge));
  }
}

/* Responsive Layout - Mobile */
@media only screen and (max-width: 767px) {
  .details-content-wrapper {
    flex-direction: column;
    gap: var(--study-gap-xlarge);
  }

  .details-left-column,
  .details-right-column {
    flex: 0 0 100%;
    max-width: 100%;
  }

  .details-title-wrapper .heading-text {
    font-size: 1.5rem;
  }

  .details-right-column {
    & .details-description .item__heading {
      font-size: 1.125rem;
    }

    & .description-content p {
      font-size: 0.875rem !important;
      line-height: var(--study-line-height-mobile);
    }
  }

  .description-modal {
    padding: var(--study-gap-xlarge);
    max-height: 90vh;

    & .modal-close {
      top: var(--study-gap-medium);
      right: var(--study-gap-medium);
    }

    & .item__heading {
      font-size: 1.25rem;
    }
  }

  .modal-description-content p {
    font-size: 0.875rem !important;
    line-height: var(--study-line-height-mobile);
  }
}

/* Other Focus Groups Grid - 4 Column Layout */
.other-focus-groups-grid .studies {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--study-gap-xlarge);
  justify-content: center;

  & > div {
    display: flex;
    justify-content: center;
  }

  & .study-pannel {
    width: 100%;
    max-width: var(--study-card-max-width);
  }

  @media only screen and (max-width: 1400px) {
    grid-template-columns: repeat(3, 1fr);
  }

  @media only screen and (max-width: 1024px) {
    grid-template-columns: repeat(2, 1fr);
  }

  @media only screen and (max-width: 600px) {
    grid-template-columns: 1fr;
  }
}