/* ============================================================
   KPI CARD — hero stat tile with progress visualization
   Variants:
     --profit  → green progress (target reached zone)
     --risk    → blue→amber→red gradient (danger as it fills)
     --time    → neutral blue progress
     --count   → neutral progress
   ============================================================ */

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

@media (max-width: 1199px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 540px) {
  .kpi-grid { grid-template-columns: 1fr; }
}

.kpi-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  min-width: 0;
}

.kpi-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-sm);
}

/* Primary KPI — the "headline" stat, gets a subtle elevation
   (e.g. Profit vs Target on the dashboard). Reserved for ONE per row. */
.kpi-card--primary {
  background: linear-gradient(135deg, var(--color-success-subtle) 0%, var(--bg-surface) 100%);
  border-color: var(--color-success-subtle);
}

[data-theme="dark"] .kpi-card--primary {
  background: linear-gradient(135deg, var(--color-success-subtle) 0%, var(--bg-surface) 100%);
  border-color: rgba(34, 197, 94, 0.2);
}

/* Header row: label + tooltip-icon */
.kpi-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.kpi-card__label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.kpi-card__info {
  width: 16px;
  height: 16px;
  color: var(--text-disabled);
  cursor: help;
  flex-shrink: 0;
}
.kpi-card__info:hover { color: var(--text-tertiary); }

/* Tooltip wrapper around the info icon — keeps inline-flex layout */
.kpi-card__info-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.kpi-card__info-wrap:hover .kpi-card__info {
  color: var(--text-secondary);
}

/* Value row */
.kpi-card__value {
  font-family: var(--font-mono);
  font-feature-settings: "tnum" 1;
  font-size: var(--text-2xl);
  font-weight: var(--weight-semibold);
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1;
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.kpi-card__value-secondary {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--text-tertiary);
  letter-spacing: -0.01em;
}

/* Delta indicator (e.g. "+5.4%" with up/down arrow) */
.kpi-card__delta {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  padding: 2px var(--space-2);
  border-radius: var(--radius-sm);
}
.kpi-card__delta--up {
  color: var(--color-success-text);
  background: var(--color-success-subtle);
}
.kpi-card__delta--down {
  color: var(--color-danger-text);
  background: var(--color-danger-subtle);
}
.kpi-card__delta-icon { width: 12px; height: 12px; stroke-width: 2.5; }

/* Progress bar */
.kpi-card__progress {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-1);
}

.kpi-card__progress-track {
  position: relative;
  height: 6px;
  background: var(--bg-subtle);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.kpi-card__progress-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

/* Variant fills */
.kpi-card--profit .kpi-card__progress-fill { background: var(--color-success); }
.kpi-card--time   .kpi-card__progress-fill { background: var(--color-primary); }
.kpi-card--count  .kpi-card__progress-fill { background: var(--color-info); }

/* Risk: progress bar that goes from green (safe) to amber (warning) to red (danger).
   We use background gradient on the *track*, then a "mask" via a fill that
   reveals progressively. Simpler approach: solid color based on state, set inline
   via modifier class on the fill. */
.kpi-card--risk .kpi-card__progress-fill { background: var(--color-success); }
.kpi-card--risk[data-risk="medium"] .kpi-card__progress-fill { background: var(--color-warning); }
.kpi-card--risk[data-risk="high"]   .kpi-card__progress-fill { background: var(--color-danger); }

/* Caption row under progress bar — "X of Y" */
.kpi-card__progress-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  white-space: nowrap;
  overflow: hidden;
}

.kpi-card__progress-meta > span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.kpi-card__progress-meta .numeric {
  color: var(--text-secondary);
  font-weight: var(--weight-medium);
  flex-shrink: 0;
}

/* Recap variant — no progress bar, just label + value + caption row.
   Used on Phase 3 dashboard for Phase 2 final results. */
.kpi-card--recap {
  background: var(--bg-surface);
}

.kpi-card--recap .kpi-card__caption {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  white-space: nowrap;
  overflow: hidden;
}

.kpi-card--recap .kpi-card__caption-label {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.kpi-card--recap .kpi-card__caption-value {
  font-family: var(--font-mono);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
  letter-spacing: -0.01em;
  flex-shrink: 0;
}