/* =============================================================================
   Kanban-Board (Spec §6.3) — 6 Spalten, Drag-and-Drop
   ============================================================================= */
.kanban-board {
  display: grid;
  grid-template-columns: repeat(6, minmax(220px, 1fr));
  gap: 0.75rem;
  margin-top: 1rem;
  min-height: calc(100vh - 200px);
}

.kanban-col {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  padding: 0.625rem;
  transition: background 120ms ease, border-color 120ms ease;
}
.kanban-col[data-drop-target="true"] {
  background: rgba(37, 99, 235, 0.08);
  border-color: rgba(37, 99, 235, 0.35);
}

.kanban-col__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.625rem;
  padding: 0 0.25rem;
}
.kanban-col__title {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
}
.kanban-col__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--col-accent, var(--mod-slate));
  box-shadow: 0 0 8px var(--col-accent, var(--mod-slate));
}
.kanban-col__count {
  font-size: 11px;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

.kanban-col__sum {
  font-size: 10px;
  color: var(--text-dim);
  padding: 0 0.25rem 0.5rem;
  font-variant-numeric: tabular-nums;
}

.kanban-col__list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
  min-height: 40px;
}

/* ---------- Opportunity-Card ---------- */
.opp-card {
  position: relative;
  padding: 0.625rem 0.75rem;
  background: var(--glass-dark);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  cursor: grab;
  transition: transform 100ms ease, border-color 100ms ease, box-shadow 100ms ease;
}
.opp-card:hover {
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}
.opp-card:active {
  cursor: grabbing;
}
.opp-card[data-dragging="true"] {
  opacity: 0.4;
  transform: scale(0.98);
}

.opp-card__company {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}
.opp-card__title {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.opp-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}
.opp-card__volume {
  font-size: 12px;
  font-weight: 600;
  color: var(--mod-finance);
  font-variant-numeric: tabular-nums;
}
.opp-card__due {
  font-size: 11px;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}
.opp-card__customer-badge {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 1px 5px;
  border-radius: 4px;
  background: rgba(5, 150, 105, 0.18);
  color: #6EE7B7;
  box-shadow: inset 0 0 0 1px rgba(5, 150, 105, 0.30);
  font-weight: 600;
}

/* Stage-Akzentfarben für die Header-Dots */
.kanban-col[data-stage="lead"]        { --col-accent: var(--mod-slate); }
.kanban-col[data-stage="contacted"]   { --col-accent: var(--mod-crm); }
.kanban-col[data-stage="proposal"]    { --col-accent: var(--mod-workshop); }
.kanban-col[data-stage="negotiation"] { --col-accent: var(--mod-checklist); }
.kanban-col[data-stage="won"]         { --col-accent: var(--mod-finance); }
.kanban-col[data-stage="lost"]        { --col-accent: var(--mod-alert); opacity: 0.75; }

/* Drop-Indikator-Linie */
.kanban-col__drop-hint {
  height: 2px;
  background: var(--mod-crm);
  border-radius: 1px;
  opacity: 0;
  transition: opacity 100ms ease;
}
.kanban-col[data-drop-target="true"] .kanban-col__drop-hint {
  opacity: 1;
}

/* Empty-State pro Spalte */
.kanban-col__empty {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 0.5rem;
  font-size: 11px;
  color: var(--text-faint);
  text-align: center;
  font-style: italic;
}