/* =============================================================================
   Dashboard v2 — Control Tower Home
   ============================================================================= */

/* ---------- KPI CARDS ---------- */
.kpi-grid {
  grid-column: span 12;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--shell-grid-gap);
}

@media (max-width: 1599px) {
  .kpi-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 839px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 599px) {
  .kpi-grid { grid-template-columns: 1fr; }
}

.kpi {
  position: relative;
  padding: var(--space-4) var(--space-5);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: all var(--motion-hover) var(--motion-ease);
  overflow: hidden;
}
.kpi:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
  border-color: var(--border-default);
}
.kpi:focus-visible {
  outline: 2px solid var(--brand-primary);
  outline-offset: -2px;
}
.kpi[data-status="warning"] {
  border-top: 3px solid var(--state-warning);
}
.kpi[data-status="critical"] {
  border-top: 3px solid var(--state-danger);
  background: linear-gradient(180deg, rgba(200, 30, 30, 0.03) 0%, transparent 60%);
}
.kpi[data-status="success"] {
  border-top: 3px solid var(--state-success);
}

.kpi__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}
.kpi__icon {
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--brand-primary-soft);
  color: var(--brand-primary);
  border-radius: var(--radius-control);
  flex-shrink: 0;
}
.kpi[data-status="warning"] .kpi__icon { background: var(--state-warning-soft); color: var(--state-warning); }
.kpi[data-status="critical"] .kpi__icon { background: var(--state-danger-soft); color: var(--state-danger); }
.kpi[data-status="success"] .kpi__icon { background: var(--state-success-soft); color: var(--state-success); }

.kpi__label {
  font-size: var(--type-label-size);
  line-height: calc(var(--type-label-lh) / var(--type-label-size));
  font-weight: 500;
  color: var(--text-secondary);
  flex: 1;
}

.kpi__value {
  font-family: var(--font-tabular);
  font-size: var(--type-kpi-primary-size);
  line-height: calc(var(--type-kpi-primary-lh) / var(--type-kpi-primary-size));
  font-weight: var(--type-kpi-primary-weight);
  color: var(--text-primary);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}
.kpi__unit {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-tertiary);
}

.kpi__delta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 12px;
  font-weight: 600;
  margin-top: var(--space-1);
}
.kpi__delta--up   { color: var(--state-success); }
.kpi__delta--down { color: var(--state-danger); }
.kpi__delta--flat { color: var(--text-tertiary); }
.kpi__delta-comp { color: var(--text-tertiary); font-weight: 400; }

.kpi__sparkline {
  margin-top: var(--space-3);
  height: 36px;
}

.kpi__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border-subtle);
  font-size: 11px;
  color: var(--text-tertiary);
}

/* ---------- HEATMAP ---------- */
.heatmap {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(56px, 1fr));
  gap: 6px;
  padding: var(--space-4);
}
.heatmap__cell {
  position: relative;
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-control);
  background: var(--state-success);
  color: white;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--motion-hover) var(--motion-ease);
  border: 2px solid transparent;
  font-family: var(--font-tabular);
}
.heatmap__cell:hover {
  transform: scale(1.06);
  box-shadow: var(--shadow-md);
  z-index: 2;
}
.heatmap__cell:focus-visible {
  outline: 2px solid var(--brand-primary);
  outline-offset: 2px;
}
.heatmap__cell[data-heat="low"]      { background: var(--heat-low); }
.heatmap__cell[data-heat="mid"]      { background: var(--heat-mid); }
.heatmap__cell[data-heat="high"]     { background: var(--heat-high); }
.heatmap__cell[data-heat="critical"] {
  background: var(--heat-critical);
  animation: heatpulse 2.5s infinite;
}
.heatmap__cell[data-heat="blocked"] {
  background: repeating-linear-gradient(45deg, var(--heat-blocked) 0 6px, #B5BFCE 6px 12px);
  color: var(--text-primary);
}
.heatmap__cell-label {
  font-size: 10px;
  opacity: 0.85;
  margin-top: 2px;
}
.heatmap__legend {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  border-top: 1px solid var(--border-subtle);
  font-size: 11px;
  color: var(--text-secondary);
  flex-wrap: wrap;
}
.heatmap__legend-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.heatmap__legend-dot {
  width: 10px; height: 10px;
  border-radius: 3px;
}

@keyframes heatpulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(200, 30, 30, 0.4); }
  50%      { box-shadow: 0 0 0 6px rgba(200, 30, 30, 0); }
}

/* ---------- DOCK BOARD ---------- */
.dock-board {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: var(--space-3);
  padding: var(--space-4);
}
.dock {
  padding: var(--space-3);
  border-radius: var(--radius-control);
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-subtle);
  transition: all var(--motion-hover) var(--motion-ease);
  cursor: pointer;
}
.dock:hover {
  border-color: var(--brand-primary);
  box-shadow: var(--shadow-sm);
}
.dock__id {
  font-family: var(--font-tabular);
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
}
.dock__status {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 600;
  margin-top: 2px;
}
.dock[data-status="idle"] .dock__status { color: var(--text-tertiary); }
.dock[data-status="loading"] .dock__status,
.dock[data-status="unloading"] .dock__status { color: var(--state-info); }
.dock[data-status="ready"] .dock__status { color: var(--state-success); }
.dock[data-status="blocked"] .dock__status { color: var(--state-danger); }
.dock__progress {
  margin-top: var(--space-2);
  height: 4px;
  background: var(--bg-canvas);
  border-radius: var(--radius-pill);
  overflow: hidden;
}
.dock__progress-bar {
  height: 100%;
  background: var(--brand-primary);
  border-radius: var(--radius-pill);
  transition: width var(--motion-drawer) var(--motion-ease);
}
.dock__trailer {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: var(--space-2);
  font-family: var(--font-tabular);
}

/* ---------- EXCEPTIONS TABLE ---------- */
.exc-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-card);
}
.exc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.exc-table thead th {
  position: sticky;
  top: 0;
  background: var(--bg-canvas);
  text-align: left;
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-default);
  white-space: nowrap;
}
.exc-table tbody td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
  height: 48px;
}
.exc-table tbody tr {
  transition: background var(--motion-hover) var(--motion-ease);
  cursor: pointer;
}
.exc-table tbody tr:hover { background: var(--bg-surface-alt); }
.exc-table tbody tr.selected { background: var(--brand-primary-soft); }
.exc-table .num,
.exc-table .id {
  font-family: var(--font-tabular);
  font-variant-numeric: tabular-nums;
}

/* Severity badges */
.sev-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.sev-badge--info     { background: var(--state-info-soft);    color: var(--state-info); }
.sev-badge--success  { background: var(--state-success-soft); color: var(--state-success); }
.sev-badge--warning  { background: var(--state-warning-soft); color: var(--state-warning); }
.sev-badge--critical { background: var(--state-danger-soft);  color: var(--state-danger); }
.sev-badge--neutral  { background: var(--state-neutral-soft); color: var(--text-secondary); }

/* ---------- ACTIVITY STRIP ---------- */
.activity-strip {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4);
  overflow-x: auto;
  scroll-behavior: smooth;
}
.activity-event {
  min-width: 240px;
  flex-shrink: 0;
  padding: var(--space-3);
  background: var(--bg-surface-alt);
  border-radius: var(--radius-control);
  border: 1px solid var(--border-subtle);
}
.activity-event__type {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
}
.activity-event__title {
  font-size: 13px;
  font-weight: 600;
  margin-top: 2px;
  color: var(--text-primary);
}
.activity-event__meta {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-top: var(--space-2);
}

/* ---------- SKELETON ---------- */
.skeleton {
  background: linear-gradient(90deg,
    var(--bg-surface-alt) 0%,
    var(--state-neutral-soft) 50%,
    var(--bg-surface-alt) 100%);
  background-size: 200% 100%;
  animation: skel 1.4s ease-in-out infinite;
  border-radius: var(--radius-control);
}
@keyframes skel {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ---------- EMPTY STATE ---------- */
.empty-state-v2 {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-6);
  text-align: center;
  color: var(--text-tertiary);
}
.empty-state-v2__icon {
  width: 56px; height: 56px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--bg-canvas);
  border-radius: 50%;
  margin-bottom: var(--space-3);
  color: var(--text-tertiary);
}
.empty-state-v2__title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}