* {
  box-sizing: border-box;
  font-family: 'Segoe UI', sans-serif;
}

/* FUNDO GERAL */
body {
  margin: 0;
  padding: 20px;
  background: linear-gradient(160deg, #061425, #0a1a2f, #0d2a4a);
  color: #ffffff;
  min-height: 100vh;
}

/* TOPO */
header {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 25px;
}

header img {
  height: 45px;
}

/* KANBAN */
.kanban {
  display: flex;
  gap: 18px;
  overflow-x: auto;
}

/* COLUNA BASE (SEM COR FIXA!) */
.column {
  min-width: 280px;
  padding: 15px;
  border-radius: 18px;
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,0.15);
  box-shadow: 0 12px 30px rgba(0,0,0,0.45);
}

/* TÍTULO */
.column h2 {
  text-align: center;
  font-size: 15px;
  margin-bottom: 14px;
}

/* 🎨 CORES DEFINITIVAS POR ETAPA */
.column[data-etapa="Não contatada"] {
  background: linear-gradient(160deg, #0d2a4a, #071a2e);
}

.column[data-etapa="Contato realizado"] {
  background: linear-gradient(160deg, #144a8b, #0b2f59);
}

.column[data-etapa="Interesse demonstrado"] {
  background: linear-gradient(160deg, #1f6feb, #12408f);
}

.column[data-etapa="Proposta enviada"] {
  background: linear-gradient(160deg, #5f3fb8, #3b237a);
}

.column[data-etapa="Negociação"] {
  background: linear-gradient(160deg, #d68910, #9a5c00);
}

.column[data-etapa="Contrato fechado"] {
  background: linear-gradient(160deg, #22c55e, #15803d);
}

.column[data-etapa="Sem interesse"] {
  background: linear-gradient(160deg, #64748b, #334155);
}

/* CARD */
.card {
  position: relative;
  background: linear-gradient(
    145deg,
    rgba(255,255,255,0.28),
    rgba(255,255,255,0.08)
  );
  border-radius: 14px;
  padding: 12px;
  margin-bottom: 12px;
  cursor: grab;
  box-shadow: 0 6px 18px rgba(0,0,0,0.45);
  overflow: hidden;
}

/* BRILHO (GLOSS) */
.card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    120deg,
    transparent,
    rgba(255,255,255,0.35),
    transparent
  );
  animation: shine 4s infinite;
}

@keyframes shine {
  0% { transform: translateX(-100%); }
  60% { transform: translateX(100%); }
  100% { transform: translateX(100%); }
}

/* AÇÕES */
.actions {
  display: flex;
  gap: 6px;
  margin-top: 8px;
}

.actions a {
  flex: 1;
  text-align: center;
  padding: 6px;
  border-radius: 8px;
  font-size: 13px;
  text-decoration: none;
  color: #fff;
  background: #1f6feb;
}

.actions a.wpp {
  background: #22c55e;
}