/* ========================================
   CRM KANBAN BOARD STYLES
   ======================================== */

/* === KANBAN BOARD === */
.kanban-board {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--spacing-lg);
  overflow-x: auto;
  padding-bottom: var(--spacing-lg);
  min-height: 600px;
}

@media (max-width: 1400px) {
  .kanban-board {
    grid-template-columns: repeat(3, minmax(280px, 1fr));
  }
}

@media (max-width: 900px) {
  .kanban-board {
    grid-template-columns: repeat(2, minmax(280px, 1fr));
  }
}

@media (max-width: 600px) {
  .kanban-board {
    grid-template-columns: 1fr;
  }
}

/* === KANBAN COLUMN === */
.kanban-column {
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  min-width: 280px;
  max-height: calc(100vh - 300px);
}

.kanban-column-header {
  padding: var(--spacing-lg);
  border-bottom: 2px solid var(--border-color);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg-secondary);
}

.kanban-column-header.new {
  border-bottom-color: var(--neon-cyan);
  background: linear-gradient(135deg, rgba(0, 245, 255, 0.05) 0%, var(--bg-secondary) 100%);
}

.kanban-column-header.contact {
  border-bottom-color: var(--neon-purple);
  background: linear-gradient(135deg, rgba(179, 0, 255, 0.05) 0%, var(--bg-secondary) 100%);
}

.kanban-column-header.negotiation {
  border-bottom-color: var(--neon-yellow);
  background: linear-gradient(135deg, rgba(255, 237, 0, 0.05) 0%, var(--bg-secondary) 100%);
}

.kanban-column-header.proposal {
  border-bottom-color: var(--neon-orange);
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.05) 0%, var(--bg-secondary) 100%);
}

.kanban-column-header.won {
  border-bottom-color: var(--neon-green);
  background: linear-gradient(135deg, rgba(0, 255, 159, 0.05) 0%, var(--bg-secondary) 100%);
}

.kanban-column-header.lost {
  border-bottom-color: var(--neon-pink);
  background: linear-gradient(135deg, rgba(255, 0, 110, 0.05) 0%, var(--bg-secondary) 100%);
}

.column-icon {
  font-size: var(--text-xl);
}

.column-title {
  font-size: var(--text-base);
  font-weight: 700;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  flex: 1;
}

.column-count {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 700;
  min-width: 24px;
  text-align: center;
}

/* === KANBAN CARDS CONTAINER === */
.kanban-cards {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  min-height: 200px;
}

.kanban-cards::-webkit-scrollbar {
  width: 6px;
}

.kanban-cards::-webkit-scrollbar-track {
  background: transparent;
}

.kanban-cards::-webkit-scrollbar-thumb {
  background: var(--bg-card);
  border-radius: var(--radius-full);
}

/* === LEAD CARD === */
.lead-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  cursor: grab;
  transition: all var(--transition-fast);
  position: relative;
}

.lead-card:hover {
  border-color: var(--border-color-hover);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.lead-card.sortable-ghost {
  opacity: 0.4;
  background: var(--bg-tertiary);
}

.lead-card.sortable-drag {
  cursor: grabbing;
  transform: rotate(3deg);
  box-shadow: var(--shadow-xl);
}

.lead-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-sm);
}

.lead-name {
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.lead-temp {
  font-size: var(--text-lg);
}

.lead-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-md);
}

.lead-info-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.lead-info-icon {
  font-size: var(--text-base);
}

.lead-value {
  font-size: var(--text-xl);
  font-weight: 700;
  font-family: var(--font-display);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--spacing-sm);
}

.lead-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
}

.lead-tag {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  color: var(--text-secondary);
  font-weight: 500;
}

.lead-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--border-color);
}

.lead-date {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

.lead-actions {
  display: flex;
  gap: var(--spacing-xs);
}

.lead-action-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  transition: all var(--transition-fast);
}

.lead-action-btn:hover {
  background: var(--bg-tertiary);
  transform: scale(1.1);
}

/* === TEMPERATURE BADGES === */
.temp-hot {
  color: var(--neon-pink);
  text-shadow: 0 0 10px var(--neon-pink);
}

.temp-warm {
  color: var(--neon-yellow);
  text-shadow: 0 0 10px var(--neon-yellow);
}

.temp-cold {
  color: var(--neon-cyan);
  text-shadow: 0 0 10px var(--neon-cyan);
}

/* === EMPTY STATE === */
.kanban-cards-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl);
  min-height: 200px;
  color: var(--text-tertiary);
  text-align: center;
}

.kanban-cards-empty-icon {
  font-size: var(--text-5xl);
  margin-bottom: var(--spacing-md);
  opacity: 0.3;
}

/* === LEAD DETAILS MODAL === */
.lead-timeline {
  margin-top: var(--spacing-xl);
}

.timeline-item {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md) 0;
  border-left: 2px solid var(--border-color);
  padding-left: var(--spacing-md);
  margin-left: var(--spacing-md);
  position: relative;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -6px;
  top: 20px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--neon-cyan);
  box-shadow: 0 0 10px var(--neon-cyan);
}

.timeline-item:last-child {
  border-left-color: transparent;
}

.timeline-date {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  min-width: 100px;
}

.timeline-content {
  flex: 1;
}

.timeline-title {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.timeline-description {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

/* === DRAG & DROP FEEDBACK === */
.kanban-cards.sortable-chosen {
  background: rgba(0, 245, 255, 0.05);
  border: 2px dashed var(--neon-cyan);
  border-radius: var(--radius-lg);
}

/* === ANIMATIONS === */
@keyframes cardSlideIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.lead-card {
  animation: cardSlideIn 0.3s ease-out;
}

/* === FILTERS === */
.filters-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  display: none;
}

.filters-panel.active {
  display: block;
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.filters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
}