/* ============================================================
   Shared components — cards, KPIs, tables, badges, callouts
   Depends on tokens.css + base.css
   ============================================================ */

/* ---- Tables ----------------------------------------------- */
table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-3) 0 var(--space-5);
  font-size: var(--text-sm);
}
th {
  text-align: left;
  padding: var(--space-2) 0.6rem;
  background: var(--color-surface-2);
  color: var(--color-text-dim);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--color-border-strong);
}
td {
  padding: var(--space-2) 0.6rem;
  border-bottom: 1px solid var(--color-surface-2);
  color: var(--color-text);
}

/* ---- KPI card --------------------------------------------- */
.kpi-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) 1.1rem;
}
.kpi-card .label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-fade);
  font-weight: 600;
  margin-bottom: 0.35rem;
}
.kpi-card .value {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-strong);
  line-height: var(--leading-tight);
}
.kpi-card .delta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  margin-top: 0.3rem;
  color: var(--color-success);
}
.kpi-card .delta.delta-down { color: var(--color-danger); }
.kpi-card .delta.delta-flat { color: var(--color-text-muted); }

.kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-3);
  margin: var(--space-3) 0 var(--space-6);
}

/* ---- Section header (h2 variant with action) ------------- */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-4);
  margin: 2.5rem 0 var(--space-3);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-soft);
}
.section-header:first-of-type { border-top: none; padding-top: 0; }
.section-header h2 {
  margin: 0; padding: 0; border: none;
}
.section-header .meta {
  font-size: var(--text-xs);
  color: var(--color-text-fade);
  font-family: var(--font-mono);
}

/* ---- Badges / Tags --------------------------------------- */
.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  margin-right: var(--space-2);
}
.badge-success  { background: #0a1a0a; color: var(--color-success); border: 1px solid #153515; }
.badge-info     { background: #0a0f1a; color: var(--color-info);    border: 1px solid #15253b; }
.badge-violet   { background: #1a0f1a; color: var(--color-violet);  border: 1px solid #2b1545; }
.badge-warning  { background: #1a140a; color: var(--color-warning); border: 1px solid #3b2715; }
.badge-danger   { background: #1a0a0a; color: var(--color-danger);  border: 1px solid #3b1515; }

/* ---- Callouts -------------------------------------------- */
.callout {
  background: var(--color-surface);
  border-left: 3px solid var(--color-accent);
  padding: 0.85rem var(--space-4);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}
.callout-warning  { border-left-color: var(--color-warning); }
.callout-danger   { border-left-color: var(--color-danger); }
.callout-success  { border-left-color: var(--color-success); }

/* ---- Diagram block (ASCII) ------------------------------- */
.diagram {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  margin: var(--space-3) 0 var(--space-5);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--color-text-dim);
  white-space: pre;
  overflow-x: auto;
}

/* ---- Card (generic surface) ------------------------------ */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

/* ---- Chart container ------------------------------------
   Chart.js with responsive:true + maintainAspectRatio:false
   requires a positioned parent with an explicit height,
   otherwise the canvas feedback-loops and grows infinitely.
   ---------------------------------------------------------- */
.chart-container {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin: var(--space-4) 0;
  position: relative;
  /* Aspect-ratio lets the container scale with page width.
     Override per-element via style="--chart-ratio: 2/1" or --chart-h. */
  aspect-ratio: var(--chart-ratio, 5 / 2);
  min-height: 260px;
  /* Hard override escape hatch */
  height: var(--chart-h, auto);
}
.chart-container.chart-wide { aspect-ratio: var(--chart-ratio, 3 / 1); }
.chart-container.chart-square { aspect-ratio: var(--chart-ratio, 1 / 1); }
.chart-container .chart-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: #e5e5e5;
  margin-bottom: var(--space-3);
}
.chart-container canvas {
  /* Override page-level `canvas { width: 100% !important }` rules.
     With responsive:true + maintainAspectRatio:false, Chart.js sets
     canvas.style.width/height itself based on the parent. We just need
     to not fight it. !important matches any page-level !important. */
  width: auto !important;
  height: auto !important;
  max-width: 100%;
  max-height: calc(100% - 2rem);
  display: block;
}

/* ---- Chart palette (CSS vars exposed for JS) ------------- */
:root {
  --chart-1: #6366f1;
  --chart-2: #8b5cf6;
  --chart-3: #ec4899;
  --chart-4: #ef4444;
  --chart-5: #f59e0b;
  --chart-6: #10b981;
  --chart-7: #06b6d4;
  --chart-8: #3b82f6;
}