h2 {
  margin-bottom: 20px;
  font-size: 24px;
  color: var(--gray-800);
}

table {
  width: 100%;
  font-size: 14px;
  border-collapse: collapse;
}

thead {
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-teal) 100%);
  color: var(--white);
  text-align: center;
}

th {
  padding: 4px;
  text-align: center;
}

tbody tr:hover {
  background-color: var(--gray-200);
}

td {
  border: 1px solid var(--gray-400);
  padding: 8px;
  text-align: left;
  vertical-align: middle;
}

td[data-label='No.'] {
  text-align: center;
}

td[data-label='Journal'] {
  text-align: center;
  max-width: 130px;
}

td[data-label='Pages'] {
  text-align: center;
  width: 130px;
}

.pub-note {
  color: var(--gray-700);
}

@media (max-width: 720px) {
  table,
  thead,
  tbody,
  th,
  td,
  tr {
    display: block;
  }

  #pub-table tbody tr::before {
    content: attr(data-index);
    display: block;
    text-align: right;
    font-weight: bold;
    background: var(--primary-blue);
    margin-bottom: 5px;
    position: absolute;
    top: 0px;
    right: 0px;
    color: #fff;
    padding: 8px;
    min-width: 20px;
    border-bottom-left-radius: 8px;
  }

  thead {
    display: none;
  }

  tr {
    position: relative;
    margin-bottom: 1em;
    border: 1px solid var(--gray-400);
    padding: 10px;
  }

  td {
    border: none;
    position: relative;
    padding-left: 25%;
    box-sizing: border-box;
    min-height: 24px;
  }

  td::before {
    content: attr(data-label);
    position: absolute;
    left: 10px;
    width: 45%;
    white-space: nowrap;
    font-weight: bold;
    color: var(--gray-900);
  }

  td[data-label='No.'] {
    display: none;
  }

  td[data-label='Journal'] {
    text-align: left;
    max-width: 100%;
  }

  td[data-label='Pages'] {
    text-align: left;
    width: 100%;
  }
}