.grid-container {
  display: grid;
  grid-gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
}

.responsive-table tr {
  display: grid;
  grid-template-areas: "number title author";
  grid-template-columns: 50px repeat(2, 1fr); /* 5 columns on larger screens */
}
.authorcell{
  grid-area: author;
}
.oralcell{
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.oralcell :first-child{
  padding-right: 10px;
}
.oralcell :nth-child(2){
  padding-left: 10px;
}
.header {
  background-color: #440099;
  color: white;
  text-align: center;
  border-radius: 10px;
  text-transform: uppercase;
  font-size: 20px;
}

.start-time {
  background-color: #dee2e6;
  text-align: center;
  border-radius: 10px;
}

.body-container {
  padding: 10px;
}

.loc {
  text-align: right;
  color: #424242;
  font-weight: 400;
}

#session-filter {
  text-align: left;
  padding: 10px;
  font-size: 16px;
  border: 1px solid #ccc;
  border-radius: 4px;
  background-color: #f8f8f8;
  cursor: pointer;
}

#session-filter:hover {
  background-color: #e8e8e8;
}

.programme-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid #eee;
  position: relative;
}

.filter-container {
  position: absolute;
  z-index: 1;
}

.buttons-container {
  width: 100%;
  display: flex;
  justify-content: center;
}

.btn {
  border-radius: 10px;
}

.btn:hover {
  background-color: #e0e0e0;
}

.btn-primary:hover {
  background-color: #0056b3;
}

table {
  width: 100%;
  border-collapse: collapse;
}

.tdoral {
  text-align: center;
  border-left: 1px solid black;
}
th {
  padding: 8px;
  text-align: center;
  border-right: 1px solid black;
  border-top: 1px solid black;
  width: 13%;
}

.wide
{
  width: 20%;
}

td {
  padding: 8px;
  text-align: left;
  border-top: 1px solid black;
}

.session {
  padding-left: 10px;
  margin: 5px;
}

.poster {
  background: #b7dfff;
}

.keynote {
  background: #ffbac0;
}

.meeting {
  background: #fff9a3;
}

.oral {
  background: #dffaad;
}

.workshop {
  background: #ccffe5;
}

.ws_poster {
  background: #ccffe5;
}

.industrial {
  background: #dee2e6;
}

.ceremony {
  background: yellow;
}

.break {
  background: rgb(248, 236, 128);
}

.session.poster {
  background: none;
  border-left: 8px solid#b7dfff;
}

.session.keynote {
  background: none;
  border-left: 8px solid #ffbac0;
}

.session.meeting {
  background: none;
  border-left: 8px solid#ffd195;
}

.session.oral {
  background: none;
  border-left: 8px solid#dffaad;
}

.session.workshop {
  background: none;
  border-left: 8px solid#ccffe5;
}

.session.ws_poster {
  background: none;
  border-left: 8px solid#ccffe5;
}

.session.industrial {
  background: none;
  border-left: 8px solid#dee2e6;
}

.session.ceremony {
  background: none;
  border-left: 8px solid #456e9b;
}

.session.break {
  background: none;
  border-left: 8px solid rgb(248, 236, 128);
}

summary {
  padding: 8px;
  text-align: left;
  box-sizing: content-box;
}

details summary {
  border-radius: 10px;
}

details[open] summary {
  border-top-left-radius: 10px;
  border-top-right-radius: 10px;
  border-bottom-left-radius: 0px;
  border-bottom-right-radius: 0px;
}
summary::marker {
  content: "";
}

summary::before {
  content: " ⮞";
  /* list-style-position: inside; */
}
details[open] summary::before  {
  content: " ⮟";
}
details[open] details summary::before  {
  content: " ⮞";
}
details[open] details[open] summary::before  {
  content: " ⮟";
}

.tableevent {
  outline: 1px solid black;
  margin-top: 8px;
  border-radius: 10px;
}

.centered {
  text-align: center;
  padding-bottom: 20px;
  margin-bottom: 20px;
  border-bottom: 1px solid #eee;
}

.sidebyside {
  display: grid;
  grid-template-columns: 17px 1fr 1fr;
}

.rightaligned {
  text-align: right;
}

@media screen {
  .header {
    padding: 15px 0;
  }

  .start-time {
    padding: 5px 0;
  }
}

@media screen and (max-width: 992px) {
  body .header {
    padding: 10px 0;
    font-size: 15px;
  }

  .start-time {
    padding: 0px 0;
  }
}

@media screen and (max-width: 768px) {
  .header {
    padding: 5px 0;
  }

  .start-time {
    font-size: 15px;
    padding: 5px 0;
  }

  body .grid-container {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .programme-controls {
    flex-direction: column;
    align-items: center;
  }

  body .filter-container {
    position: static;
    margin-bottom: 15px;
    width: 100%;
    display: flex;
    flex-direction: column;
  }

  .buttons-container {
    width: 100%;
  }

  .buttons {
    flex-wrap: wrap;
    justify-content: center;
  }

  .sidebyside {
    display: grid;
    grid-template-columns: 17px 1fr 1fr;
  }

  th {
    width: 17%;
  }
  .responsive-table tr{

    grid-template-columns: 50px 1fr; /* Single column on smaller screens */
    grid-template-areas: 
    "num title"
    "author author";
    border-top: 2px solid black;
  }
  .oralcell{
    display: grid;
    grid-template-columns: 1fr;    
  }
  
  .responsive-table tr ~ tr {
    border-top: none;
  }
  .authorcell{
    border-bottom: 2px solid black;
  }
  .oralcell :first-child{
    padding-bottom: 5px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.5);
  }
  .oralcell :nth-child(2){
    padding-top: 5px;
  }
  
}

@media screen and (max-width: 576px) {
  .header {
    padding: 5px 0;
  }

  body .grid-container {
    display: block;
  }
}
@media screen and (max-width: 400px) {
  td{
    padding: 2px; 
  }
  table{
    font-size: .8em;
  }
}