/**
 * components.css — Meridian KPI tiles, charts, queue tabs, skeletons, cards.
 */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 18px 22px;
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-sm);
}

.card h2 {
  margin: 0 0 var(--space-4);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.kpi-strip {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(158px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  overflow: visible;
}

.kpi-strip.hero {
  grid-template-columns: repeat(3, 1fr);
}

.kpi {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 14px 16px;
  border-top: 3px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.kpi.is-help-open {
  z-index: 8;
}

.kpi-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}

.kpi-help {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  padding: 0;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: var(--inset);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  cursor: help;
  font-family: inherit;
  appearance: none;
}

.kpi-help:hover,
.kpi-help[aria-expanded="true"] {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-subtle);
}

.kpi-help-pop {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  width: 280px;
  max-width: calc(100vw - 24px);
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-control);
  box-shadow: var(--shadow-md);
  z-index: 9;
  text-align: left;
  cursor: default;
  text-transform: none;
  letter-spacing: 0;
}

.kpi-help-pop.flip-right {
  left: auto;
  right: 0;
}

.kpi-help-pop.flip-up {
  top: auto;
  bottom: calc(100% + 8px);
}

.kpi-help-title {
  font-size: 12px;
  font-weight: 650;
  color: var(--text);
  margin-bottom: 6px;
}

.kpi-help-body {
  font-size: 12px;
  font-weight: 400;
  line-height: 1.45;
  color: var(--text-secondary);
}

.kpi-help-body p {
  margin: 0 0 8px;
}

.kpi-help-body p:last-child {
  margin-bottom: 0;
}

.kpi.warn {
  border-top-color: var(--warn);
}

.kpi.danger {
  border-top-color: var(--danger);
}

.kpi.good,
.kpi.success {
  border-top-color: var(--success);
}

.kpi .label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0;
  flex: 1;
  min-width: 0;
}

.kpi .value {
  font-size: 24px;
  font-weight: 600;
  line-height: 1.15;
  color: var(--text);
}

.kpi.hero-metric .value {
  font-size: 34px;
}

.kpi.hero-metric .label {
  font-family: var(--font-serif);
  font-size: 13px;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 500;
  color: var(--text-secondary);
}

.kpi .delta {
  font-size: 11px;
  margin-top: 4px;
  color: var(--text-muted);
}

.kpi .delta.warn {
  color: var(--warn);
}

.kpi .delta.good,
.kpi .delta.success {
  color: var(--success);
}

.kpi .delta.danger {
  color: var(--danger);
}

.kpi.clickable {
  cursor: pointer;
  transition: border-color var(--ease), background var(--ease);
}

.kpi.clickable:hover,
.kpi.clickable.active {
  border-color: var(--accent-border);
  background: var(--accent-subtle);
}

.kpi.clickable .label::after {
  content: " ▾";
  font-size: 10px;
  color: var(--accent);
}

.kpi.clickable.active .label::after {
  content: " ▴";
}

.kpi-group-label {
  grid-column: 1 / -1;
  font-size: 11px;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin: var(--space-2) 0 0;
}

.aging-chips-host {
  margin: -8px 0 var(--space-5);
}

.aging-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.aging-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}

.aging-chip:hover {
  border-color: var(--accent);
}

.aging-chip-label {
  color: var(--text-secondary);
}

.aging-chip-count {
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

.person-filter-btn.is-focus {
  font-weight: 650;
  color: var(--accent);
  text-decoration: underline;
}

.scope-chip.focus-chip {
  margin-left: 8px;
  cursor: pointer;
}

.scope-chip.focus-chip:hover {
  border-color: var(--accent);
}

.chart-area {
  min-height: 200px;
  position: relative;
}

.chart-area.chart-scroll {
  overflow-y: auto;
}

.chart-area.chart-scroll .chart-scroll-inner {
  position: relative;
  width: 100%;
}

/* Body-level tip for horizontal bars (avoids scroll clipping / sticky index mode) */
.chart-hbar-tooltip {
  position: fixed;
  z-index: 4000;
  pointer-events: none;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 6px 10px;
  border-radius: 6px;
  background: var(--text, #1a1d23);
  color: var(--surface, #fff);
  font-size: 12px;
  line-height: 1.3;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.22);
  white-space: nowrap;
  transform: translateZ(0);
}

.chart-hbar-tooltip[hidden] {
  display: none !important;
}

.chart-hbar-tooltip-label {
  opacity: 0.85;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chart-hbar-tooltip-value {
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

.chart-area canvas {
  max-width: 100%;
}

.chart-area.h-180 {
  height: 180px;
}

.chart-area.h-220 {
  height: 220px;
}

.chart-area.h-260 {
  height: 260px;
}

/* Legacy CSS bar charts (kept for fallback / transition) */
.bar-chart {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.bar-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
}

.bar-row.clickable {
  cursor: pointer;
  border-radius: 4px;
  padding: 2px 4px;
  margin: 0 -4px;
}

.bar-row.clickable:hover,
.bar-row.clickable.active {
  background: var(--accent-subtle);
}

.bar-label {
  width: 100px;
  flex-shrink: 0;
  color: var(--text-muted);
  text-align: right;
}

.bar-chart.wide-labels .bar-label {
  width: 140px;
}

.bar-track {
  flex: 1;
  height: 18px;
  background: var(--inset);
  border-radius: 4px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 4px;
  min-width: 2px;
}

.bar-fill.warn {
  background: var(--warn);
}

.bar-fill.danger {
  background: var(--danger);
}

.bar-fill.good {
  background: var(--success);
}

.bar-value {
  width: 48px;
  flex-shrink: 0;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.volume-bars {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 160px;
  padding-top: 8px;
}

.volume-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  min-width: 0;
}

.volume-bar-group {
  display: flex;
  gap: 2px;
  align-items: flex-end;
  height: 120px;
  width: 100%;
  justify-content: center;
}

.volume-bar {
  width: 45%;
  border-radius: 3px 3px 0 0;
  min-height: 2px;
}

.volume-bar.created {
  background: var(--accent);
}

.volume-bar.resolved {
  background: var(--chart-resolved);
}

.volume-label {
  font-size: 9px;
  color: var(--text-muted);
  transform: rotate(-45deg);
  white-space: nowrap;
  margin-top: 12px;
}

.queue-tabs {
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: var(--space-1);
  flex-wrap: wrap;
  margin-bottom: var(--space-4);
}

.queue-tab {
  appearance: none;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 10px 12px;
  height: 38px;
  font: inherit;
  font-size: 13px;
  font-weight: 550;
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.queue-tab:hover {
  color: var(--text);
}

.queue-tab[aria-selected="true"] {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.queue-tab .count {
  font-size: 11px;
  font-weight: 600;
  padding: 1px 7px;
  border-radius: var(--radius-pill);
  background: var(--neutral-bg);
  color: var(--neutral);
  font-variant-numeric: tabular-nums;
}

.queue-panel {
  display: none;
}

.queue-panel.active {
  display: block;
}

.empty-good {
  color: var(--success);
  font-size: 13px;
  padding: var(--space-4) 0;
}

.empty-state {
  text-align: center;
  color: var(--text-muted);
  padding: 48px 24px;
}

.skeleton {
  background: var(--inset);
  border-radius: var(--radius-control);
  position: relative;
  overflow: hidden;
}

.skeleton::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.35),
    transparent
  );
  animation: shimmer 1.4s infinite;
}

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

@media (prefers-reduced-motion: reduce) {
  .skeleton::after {
    animation: none;
  }
}

.assignee-charts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.assignee-chart-card h3 {
  margin: 0 0 var(--space-3);
  font-size: 14px;
  font-weight: 650;
}

.assignee-chart-card h3 .muted {
  font-weight: 400;
  font-size: 12px;
}

.scorecard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-4);
}

.scorecard {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 16px 18px;
  border-top: 3px solid var(--border);
}

.scorecard.warn {
  border-top-color: var(--warn);
}

.scorecard.danger {
  border-top-color: var(--danger);
}

.scorecard.success {
  border-top-color: var(--success);
}

.scorecard .name {
  font-weight: 650;
  margin-bottom: 10px;
}

.scorecard .stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  font-size: 12px;
  color: var(--text-secondary);
}

.scorecard .stats strong {
  display: block;
  font-size: 16px;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.workload-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.workload-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 14px 16px;
  border-left: 2px solid var(--border);
}

.workload-card.warn {
  border-left-color: var(--warn);
}

.workload-card.danger {
  border-left-color: var(--danger);
}

.workload-card.success {
  border-left-color: var(--success);
}

.workload-card.is-focus {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent);
}

.workload-card .name {
  font-weight: 650;
  margin-bottom: 8px;
}

.segmented {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 4px;
  background: var(--inset);
  padding: 4px;
  border-radius: var(--radius-control);
  margin-bottom: var(--space-5);
}

.segmented button {
  appearance: none;
  border: none;
  background: transparent;
  padding: 6px 12px;
  border-radius: 4px;
  font: inherit;
  font-size: 13px;
  font-weight: 550;
  color: var(--text-secondary);
  cursor: pointer;
}

.segmented button[aria-selected="true"] {
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-sm);
}

.person-filter-btn {
  padding: 0;
  border: none;
  background: none;
  font: inherit;
  color: var(--accent);
  cursor: pointer;
  text-align: left;
}

.person-filter-btn:hover {
  text-decoration: underline;
}

.person-checks {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-control);
  max-height: 220px;
  overflow-y: auto;
  background: var(--surface);
}

.check-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  font-size: 13px;
  cursor: pointer;
  margin: 0;
  font-weight: 400;
  color: var(--text);
  text-transform: none;
  letter-spacing: 0;
}

.check-row input[type="checkbox"] {
  width: auto;
  margin: 0;
  flex-shrink: 0;
}

.check-row:hover {
  background: var(--surface-alt);
}

.check-row-all {
  font-weight: 650;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--surface);
  z-index: 1;
}

.person-checks.is-empty .check-row-all {
  color: var(--text-muted);
}

.identity-picker {
  max-width: 420px;
  margin: var(--space-6) auto;
  text-align: left;
}

.identity-picker input[type="search"] {
  margin-bottom: var(--space-3);
}

.identity-list {
  max-height: 280px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
}

.identity-list button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 10px 14px;
  border: none;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  font: inherit;
  cursor: pointer;
  color: var(--text);
}

.identity-list button:hover {
  background: var(--accent-subtle);
}

.identity-list button:last-child {
  border-bottom: none;
}

.attention-row-spine {
  border-left: 2px solid var(--border);
}

.attention-row-spine.p1,
.attention-row-spine.p2 {
  border-left-color: var(--danger);
}

.attention-row-spine.p3 {
  border-left-color: var(--warn);
}

.policy-note {
  margin-bottom: var(--space-5);
}

.progress-wrap {
  display: none;
  margin-top: var(--space-4);
}

.progress-wrap.active {
  display: block;
}

.progress-bar {
  height: 8px;
  background: var(--inset);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar .fill {
  height: 100%;
  background: var(--accent);
  width: 0%;
  transition: width 0.3s;
}

.progress-msg {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 6px;
}

@media (max-width: 1440px) {
  .grid-2 {
    /* keep 2-up until 1200 */
  }
}

@media (max-width: 1200px) {
  .kpi-strip.hero {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 1000px) {
  .grid-2,
  .assignee-charts {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .kpi-strip.hero {
    grid-template-columns: 1fr;
  }
}