* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f4f6f8;
  color: #222;
}

.topo {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  background: #0f172a;
  color: #fff;
}

.topo h1 {
  margin: 0;
  font-size: 22px;
}

.controles {
  display: flex;
  align-items: center;
  gap: 8px;
}

.controles label {
  font-size: 13px;
  color: #dbeafe;
}

.controles select,
.topo button {
  border: 0;
  border-radius: 8px;
  padding: 10px 14px;
  font-weight: 700;
  cursor: pointer;
}

.controles select {
  padding: 8px 10px;
}

.status-barra {
  padding: 8px 20px;
  background: #e2e8f0;
  color: #0f172a;
  font-size: 13px;
}

.kanban {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 16px;
}

.coluna {
  border-radius: 10px;
  min-height: calc(100vh - 110px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.cabecalho-coluna {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  color: #111;
  font-weight: 700;
}

.cabecalho-coluna h2 {
  margin: 0;
  font-size: 14px;
}

.cabecalho-coluna span {
  border-radius: 999px;
  padding: 2px 9px;
  background: #111;
  color: #fff;
}

.coluna-verde {
  background: #e8f6ec;
}

.coluna-verde .cabecalho-coluna {
  background: #9be7af;
}

.coluna-amarela {
  background: #fff8df;
}

.coluna-amarela .cabecalho-coluna {
  background: #ffe087;
}

.coluna-vermelha {
  background: #ffe6e6;
}

.coluna-vermelha .cabecalho-coluna {
  background: #ff9d9d;
}

.lista-cards {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card {
  background: #fff;
  border-radius: 8px;
  padding: 10px;
  border: 1px solid #dbe1e8;
}

.card p {
  margin: 5px 0;
  font-size: 13px;
}

.status-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 12px;
  background: #e2e8f0;
  color: #0f172a;
}

.coluna-verde .status-badge {
  background: #bbf7d0;
  color: #14532d;
}

.coluna-amarela .status-badge {
  background: #fef08a;
  color: #713f12;
}

.coluna-vermelha .status-badge {
  background: #fecaca;
  color: #991b1b;
}

.vazio {
  margin: 0;
  padding: 10px;
  color: #475569;
  font-style: italic;
}

@media (max-width: 980px) {
  .topo {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .controles {
    width: 100%;
    flex-wrap: wrap;
  }

  .kanban {
    grid-template-columns: 1fr;
  }

  .coluna {
    min-height: auto;
  }
}