/* ---------- seminar ---------- */

.seminar-section {
  margin-top: 18px;
  margin-bottom: 40px;
}

.seminar-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.seminar-card {
  background-color: #ffffff;
  border: 1px solid #e0e0e0;
  border-radius: 16px;
  padding: 24px;
  transition: all 0.3s ease;
  cursor: pointer;

  display: grid;

  grid-template-columns: 1.2fr 2.5fr 1fr;

  /* spacing */
  column-gap: 24px;
  row-gap: 30px;

  align-items: start;
}

.seminar-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  border-color: #777777;
}

/* ---------- Column 1: speaker info wrapper ---------- */

.seminar-card-left {
  grid-column: 1;
  display: grid;
  row-gap: 10px;
  align-self: start;
}

.seminar-card-speaker {
  font-size: 24px;
  font-weight: 600;
  margin: 0;
  color: #000000;
}

.seminar-card-affiliation {
  font-size: 16px;
  font-style: italic;
  color: #000000;
  margin: 0;
}

.seminar-card-meta {
  font-size: 16px;
  color: #000000;
  margin: 0;
  line-height: 1.5;
}

/* ---------- Column 2: subtitle + description wrapper ---------- */

.seminar-card-center {
  grid-column: 2;
  display: grid;
  row-gap: 12px;
  align-self: start;
}

.seminar-card-subtitle {
  font-size: 20px;
  color: #000000;
  margin: 0;
}

.seminar-card-description {
  font-size: 14px;
  color: #000000;
  margin: 0;
  line-height: 1.4;
  white-space: pre-line;
}

/* ---------- Column 3: headshot wrapper ---------- */

.seminar-card-right {
  grid-column: 3;
  display: grid;
  row-gap: 10px;
  justify-items: center;
  align-self: start;
}

.seminar-card-headshot {
  width: 160px;
  height: 160px;
  border-radius: 16px;
  object-fit: cover;
  flex-shrink: 0;
}

.seminar-card-flyer {
  font-size: 16px;
  font-style: italic;
}

.seminar-card-flyer:hover {
  text-decoration: none;
}


/* ---------- reading group ---------- */

.rg-section {
  margin-top: 12px;
  margin-bottom: 40px;
}

.rg-list {
  display: grid;
  gap: 12px;
}

.rg-item {
  width: 100%;
  background: #ffffff;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 16px 20px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: box-shadow 0.22s ease, border-color 0.22s ease;
  color: #000000;
  overflow: hidden;
}

.rg-item:hover,
.rg-item:focus-within,
.rg-item.rg-open {
  box-shadow: 0 6px 18px rgba(0,0,0,0.06);
  border-color: #d0d0d0;
}

.rg-summary {
  display: flex;
  flex-direction: column;
  gap: 2px;

  align-items: flex-start;
}

.rg-date {
  font-weight: 600;
  font-size: 15px;
  color: #000000;
  margin: 0;
}

.rg-manuscript {
  font-size: 15px;
  margin: 0;
  color: #000000;
}

.rg-details {
  grid-column: 1 / -1;
  max-height: 0;
  overflow: hidden;
  transition: max-height 240ms ease;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  padding-top: 0;
}

.rg-item:hover .rg-details,
.rg-item:focus-within .rg-details,
.rg-item.rg-open .rg-details {
  max-height: 200px;
  padding-top: 8px;
}

.rg-presenter,
.rg-keywords {
  font-size: 14px;
  margin: 0;
  color: #000000;
}

.rg-keywords span {
  font-style: italic;
}

@media (max-width: 780px) {
  .rg-item {
    grid-template-columns: 1fr;
  }
  .rg-details {
    grid-template-columns: 1fr;
  }
}


/* ---------- recordings ---------- */

.recordings-section {
  margin-top: 12px;
  margin-bottom: 40px;
}

.recordings-list {
  display: grid;
  gap: 8px;
}

.recording-item {
  background: #ffffff;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 12px 16px;
  display: grid;
  grid-template-columns: 2fr 1.5fr auto;
  align-items: center;
  gap: 12px;
  transition: box-shadow 0.22s ease, border-color 0.22s ease;
}

.recording-item:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  border-color: #d0d0d0;
}

.recording-speaker {
  font-weight: 500;
  font-size: 15px;
  color: #000000;
}

.recording-date {
  font-size: 14px;
  color: #000000;
}

.recording-link {
  font-size: 14px;
  padding: 6px 12px;
  border-radius: 4px;
  transition: background-color 0.2s ease;
  white-space: nowrap;
}

.recording-link:hover {
  background-color: #ffffff;
  text-decoration: none;
}

@media (max-width: 780px) {
  .recording-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .recording-link {
    justify-self: start;
  }
}


/* seminar card interaction */

@media (max-width: 780px) {
  .seminar-card {
    grid-template-columns: 1fr;
    column-gap: 16px;
    row-gap: 12px;
    padding: 16px;
  }

  .seminar-card-left,
  .seminar-card-center,
  .seminar-card-right {
    grid-column: 1;
    width: 100%;
    display: block;
  }

  .seminar-card-center {
    margin-top: 6px;
  }

  .seminar-card-subtitle {
    margin-bottom: 16px;
    font-size: 18px;
  }

  .seminar-card-description {
    font-size: 14px;
    line-height: 1.5;
  }

  .seminar-card-right {
    display: flex;
    flex-direction: column;
    align-items: right;
    gap: 8px;
    margin-top: 8px;
  }

  .seminar-card-headshot {
    width: 128px;
    height: 128px;
    border-radius: 12px;
    object-fit: cover;
  }

  .seminar-card-flyer {
    font-size: 13px;
    text-decoration: underline;
    text-align: left;
  }

  .seminar-card-speaker {
    font-size: 20px;
  }

  .seminar-card-affiliation,
  .seminar-card-meta {
    font-size: 14px;
  }

  .seminar-card .seminar-card-left,
  .seminar-card .seminar-card-center,
  .seminar-card .seminar-card-right {
    box-sizing: border-box;
  }
}