/* ── Kanban Pipeline Styles ─────────────────────────── */

.kanban-shell {
  max-width: 1600px;
  margin: 0 auto;
  padding: 20px;
  min-height: 100vh;
}

/* Header */
.kanban-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.kanban-header h1 {
  font-size: 24px;
  font-weight: 600;
  margin: 0;
}

.kanban-summary {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--text2);
}

.kanban-summary .stat {
  display: flex;
  align-items: center;
  gap: 6px;
}

.kanban-summary .stat-value {
  font-weight: 600;
  color: var(--text);
}

/* Loading state */
.kanban-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  color: var(--text2);
  font-size: 14px;
  gap: 12px;
}

.kanban-loading .spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--md-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Board layout */
.kanban-board {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  align-items: start;
}

/* Column */
.kanban-column {
  background: var(--md-surface-container);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  min-height: 200px;
  display: flex;
  flex-direction: column;
}

.kanban-column-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1;
}

.kanban-column-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.kanban-column-title .accent-bar {
  width: 4px;
  height: 20px;
  border-radius: 2px;
}

.kanban-column-title h3 {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 0;
}

.kanban-column-count {
  font-size: 12px;
  font-weight: 600;
  min-width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: var(--md-surface-variant);
  color: var(--text2);
}

/* Column accent colors */
.kanban-column[data-status="urgent"] .accent-bar { background: #D32F2F; }
.kanban-column[data-status="urgent"] .kanban-column-count { background: #FFDAD6; color: #BA1A1A; }

.kanban-column[data-status="plan"] .accent-bar { background: #E65100; }
.kanban-column[data-status="plan"] .kanban-column-count { background: #FFE0B2; color: #BF360C; }

.kanban-column[data-status="monitor"] .accent-bar { background: #1565C0; }
.kanban-column[data-status="monitor"] .kanban-column-count { background: #D8E6FF; color: #00468A; }

.kanban-column[data-status="stable"] .accent-bar { background: #2E7D32; }
.kanban-column[data-status="stable"] .kanban-column-count { background: #C8E6C9; color: #1B5E20; }

.kanban-column[data-status="mtm"] .accent-bar { background: #757575; }
.kanban-column[data-status="mtm"] .kanban-column-count { background: var(--md-surface-variant); color: var(--text2); }

/* Dark mode accent adjustments */
@media (prefers-color-scheme: dark) {
  .kanban-column[data-status="urgent"] .kanban-column-count { background: #5C1010; color: #FFB4AB; }
  .kanban-column[data-status="plan"] .kanban-column-count { background: #5C2800; color: #FFB74D; }
  .kanban-column[data-status="monitor"] .kanban-column-count { background: #002E5E; color: #A8C8FF; }
  .kanban-column[data-status="stable"] .kanban-column-count { background: #1B3D1E; color: #81C784; }
}

/* Cards container */
.kanban-cards {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
  overflow-y: auto;
}

.kanban-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
  color: var(--text3);
  font-size: 13px;
  font-style: italic;
}

/* Card */
.kanban-card {
  background: var(--md-surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  cursor: pointer;
  transition: box-shadow 0.15s var(--ease), border-color 0.15s var(--ease);
  position: relative;
}

.kanban-card:hover {
  box-shadow: var(--md-elevation-2);
  border-color: var(--md-outline);
}

.kanban-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.kanban-card-tenant {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  margin-right: 8px;
}

.kanban-card-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.kanban-card-unit {
  font-size: 12px;
  font-weight: 500;
  color: var(--md-primary);
  background: var(--md-primary-container);
  padding: 2px 8px;
  border-radius: 6px;
  white-space: nowrap;
}

/* Card menu button (three dots) */
.card-menu-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  color: var(--text3);
  padding: 2px 4px;
  border-radius: 4px;
  transition: background 0.15s, color 0.15s;
  opacity: 0;
}

.kanban-card:hover .card-menu-btn {
  opacity: 1;
}

.card-menu-btn:hover {
  background: var(--md-surface-variant);
  color: var(--text);
}

/* Card action dropdown menu */
.card-menu {
  position: absolute;
  top: 36px;
  right: 8px;
  background: var(--md-surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--md-elevation-2);
  z-index: 100;
  min-width: 150px;
  padding: 4px 0;
  animation: menuFadeIn 0.12s ease-out;
}

@keyframes menuFadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.card-menu button {
  display: block;
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 8px 14px;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
  transition: background 0.1s;
}

.card-menu button:hover {
  background: var(--md-surface-variant);
}

.kanban-card-details {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.kanban-card-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text2);
}

.kanban-card-row .label {
  color: var(--text3);
}

.kanban-card-row .value {
  font-weight: 500;
  font-family: 'Roboto Mono', monospace;
  font-size: 11px;
}

/* Days remaining badge */
.days-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 6px;
  margin-top: 8px;
}

.days-badge.urgent {
  background: #FFDAD6;
  color: #BA1A1A;
}

.days-badge.plan {
  background: #FFE0B2;
  color: #BF360C;
}

.days-badge.monitor {
  background: #D8E6FF;
  color: #00468A;
}

.days-badge.stable {
  background: #C8E6C9;
  color: #1B5E20;
}

.days-badge.mtm {
  background: var(--md-surface-variant);
  color: var(--text2);
}

@media (prefers-color-scheme: dark) {
  .days-badge.urgent { background: #5C1010; color: #FFB4AB; }
  .days-badge.plan { background: #5C2800; color: #FFB74D; }
  .days-badge.monitor { background: #002E5E; color: #A8C8FF; }
  .days-badge.stable { background: #1B3D1E; color: #81C784; }
}

/* Card left accent border based on column */
.kanban-column[data-status="urgent"] .kanban-card { border-left: 3px solid #D32F2F; }
.kanban-column[data-status="plan"] .kanban-card { border-left: 3px solid #E65100; }
.kanban-column[data-status="monitor"] .kanban-card { border-left: 3px solid #1565C0; }
.kanban-column[data-status="stable"] .kanban-card { border-left: 3px solid #2E7D32; }
.kanban-column[data-status="mtm"] .kanban-card { border-left: 3px solid #757575; }

/* ── SortableJS Drag Styles ─────────────────────────── */
.sortable-ghost {
  opacity: 0.35;
  border: 2px dashed var(--md-primary);
  border-left-width: 3px;
  background: var(--md-primary-container);
}

.sortable-chosen {
  box-shadow: var(--md-elevation-2);
}

.sortable-drag {
  opacity: 0.95;
  transform: rotate(1.5deg);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

/* Make cards container a valid drop target even when empty */
.kanban-cards {
  min-height: 60px;
}

/* ── Date Dialog Modal ─────────────────────────────── */
.kanban-modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.kanban-modal-overlay.active {
  display: flex;
}

.kanban-modal {
  background: var(--md-surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
  width: 400px;
  max-width: 90vw;
  animation: modalSlideIn 0.2s ease-out;
}

@keyframes modalSlideIn {
  from { opacity: 0; transform: translateY(-16px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.kanban-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px 12px;
  border-bottom: 1px solid var(--border);
}

.kanban-modal-header h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
}

.kanban-modal-close {
  background: none;
  border: none;
  font-size: 22px;
  color: var(--text3);
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
  border-radius: 4px;
  transition: color 0.15s, background 0.15s;
}

.kanban-modal-close:hover {
  color: var(--text);
  background: var(--md-surface-variant);
}

.kanban-modal-body {
  padding: 16px 20px;
}

.kanban-modal-body p {
  margin: 0 0 12px;
  font-size: 14px;
  color: var(--text2);
  line-height: 1.5;
}

.kanban-date-input {
  width: 100%;
  padding: 10px 12px;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--md-surface-container);
  color: var(--text);
  font-family: 'Roboto', sans-serif;
  box-sizing: border-box;
  transition: border-color 0.15s;
}

.kanban-date-input:focus {
  outline: none;
  border-color: var(--md-primary);
  box-shadow: 0 0 0 2px rgba(25, 118, 210, 0.15);
}

.kanban-modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  padding: 12px 20px 18px;
}

.kanban-btn {
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  font-family: 'Roboto', sans-serif;
  transition: background 0.15s, box-shadow 0.15s;
}

.kanban-btn-cancel {
  background: var(--md-surface-variant);
  color: var(--text);
}

.kanban-btn-cancel:hover {
  background: var(--border);
}

.kanban-btn-save {
  background: var(--md-primary);
  color: #fff;
}

.kanban-btn-save:hover {
  box-shadow: var(--md-elevation-1);
  filter: brightness(1.1);
}

/* ── Responsive ─────────────────────────────────────── */
@media (max-width: 1200px) {
  .kanban-board {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .kanban-shell {
    padding: 12px;
  }

  .kanban-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

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

  .kanban-column {
    min-height: auto;
  }
}