body{
  font-family: Arial, sans-serif;
  max-width: 1100px;
  margin: 30px auto;
  padding: 0 14px;
}

.row{
  display:flex;
  gap:10px;
  align-items:center;
  flex-wrap:wrap;
  margin-bottom: 10px;
}

.chat{
  border: 1px solid #ccc;
  padding: 14px;
  height: 430px;
  overflow-y: auto;
  border-radius: 10px;
  background: #fff;
}

textarea{
  width:100%;
  height:70px;
  margin-top: 10px;
  border-radius: 10px;
  border: 1px solid #ccc;
  padding: 10px;
}

button{
  padding:8px 12px;
  cursor:pointer;
}

.small{
  font-size: 12px;
  opacity: 0.75;
}

.message{ margin-bottom: 10px; }
.user{ font-weight: bold; }
.assistant{ color:#1a4; }

.panel{
  background:#f5f5f5;
  padding:12px;
  margin-top:10px;
  border-radius:10px;
  border: 1px solid #e3e3e3;
}

.card-item{
  border: 2px solid #ddd;
  padding: 10px;
  margin: 8px 0;
  background: #fff;
  cursor: pointer;
  border-radius:10px;
  box-shadow: 0 2px 0 rgba(0,0,0,.06);
}

.card-item.selected{
  background: #e9f5ff;
  box-shadow: 0 3px 0 rgba(0,0,0,.1);
}

.layout{
  display: grid;
  grid-template-columns: 1.3fr .9fr;
  gap: 16px;
  margin-top: 12px;
}

.board{
  border: 1px solid #ddd;
  border-radius: 12px;
  padding: 12px;
  background: #fafafa;
  min-height: 540px;
}

/* style “pile de cartes” */
.board-item{
  position: relative;
  background:#fff;
  border: 3px solid #333;
  border-radius: 12px;
  padding: 12px 12px 10px;
  margin: 12px 0;
  box-shadow: 0 4px 0 rgba(0,0,0,.12);
  cursor: pointer;
}

.board-item::before{
  content:"";
  position:absolute;
  left: 6px;
  top: 6px;
  right: -6px;
  bottom: -6px;
  border-radius: 12px;
  border: 1px solid rgba(0,0,0,.15);
  background: rgba(255,255,255,.65);
  z-index: -1;
}

.board-item .meta{
  font-size:12px;
  opacity:.75;
  margin-top:6px;
}

.badge{
  display:inline-block;
  padding:2px 8px;
  border-radius:999px;
  border:1px solid #ddd;
  font-size:12px;
  background:#fafafa;
  margin-left:8px;
}

.color-dot{
  display:inline-block;
  width:10px;
  height:10px;
  border-radius:999px;
  margin-right:8px;
  vertical-align:middle;
}