/* Analytics Dashboard — VeilFall
   Extends the dark gothic veilfall.css with dashboard-specific styles.
   Inherits --bg, --surface, --surface2, --border, --text, --muted,
   --accent, --accent-hot, --accent-glow, --green, --font-display,
   --font-mono from veilfall.css.
*/

/* ─── Page Header ───────────────────────────────── */
.analytics-header {
  padding: 56px 0 40px;
  text-align: center;
  position: relative;
}

.analytics-header::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 500px;
  height: 280px;
  background: radial-gradient(circle, rgba(184, 64, 64, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.analytics-header .hero-badge { margin-bottom: 18px; }

.page-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.page-title em { color: var(--accent); font-style: italic; }

.page-subtitle {
  color: var(--muted);
  font-size: 1rem;
  font-style: italic;
  margin-bottom: 6px;
}

.last-updated {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--muted);
  letter-spacing: 0.1em;
  opacity: 0.7;
}

/* ─── KPI Cards ────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 36px;
}

.kpi-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: border-color 0.25s;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.25s;
}

.kpi-card:hover { border-color: rgba(184, 64, 60, 0.4); }
.kpi-card:hover::before { opacity: 1; }

.kpi-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.kpi-value {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1;
  margin-bottom: 8px;
}

.kpi-value-text {
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.3;
}

.kpi-sub {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ─── Charts Row ────────────────────────────────── */
.charts-row {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 16px;
  margin-bottom: 36px;
}

.chart-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.chart-wide { /* used in grid span override below */ }

.chart-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.chart-title {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text);
}

.chart-sub {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--muted);
  letter-spacing: 0.06em;
}

.chart-body { padding: 20px 24px 24px; }
.chart-body-center { text-align: center; }

.chart-loading {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-align: center;
  padding: 32px 0;
}

/* ─── Bar Chart ─────────────────────────────────── */
.bar-chart {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 200px;
  padding: 0 4px;
}

.bar-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  gap: 6px;
}

.bar-track {
  flex: 1;
  width: 100%;
  display: flex;
  align-items: flex-end;
}

.bar-fill {
  width: 100%;
  background: linear-gradient(to top, var(--accent), var(--accent-hot));
  border-radius: 3px 3px 0 0;
  opacity: 0.8;
  transition: opacity 0.2s;
  min-height: 4px;
}

.bar-fill:hover { opacity: 1; }

.bar-label {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.bar-value {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  color: var(--text);
  text-align: center;
}

/* ─── Donut Chart ──────────────────────────────── */
.donut-chart {
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
}

.donut-svg { transform: rotate(-90deg); }

.donut-segment { transition: opacity 0.2s; cursor: default; }
.donut-segment:hover { opacity: 0.85; }

.donut-center-label {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  dominant-baseline: middle;
  text-anchor: middle;
}

.donut-legend {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: left;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text);
  letter-spacing: 0.06em;
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.legend-label { flex: 1; text-transform: capitalize; }
.legend-pct { color: var(--muted); }

/* ─── Geography Table ───────────────────────────── */
.geo-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 40px;
}

.geo-section > .chart-header { border-bottom: 1px solid var(--border); }

.geo-table-wrap { overflow-x: auto; }

.geo-table {
  width: 100%;
  border-collapse: collapse;
}

.geo-table thead tr {
  background: var(--surface2);
}

.geo-table th {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 14px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.geo-table th.right { text-align: right; }

.geo-table tbody tr {
  border-bottom: 1px solid rgba(180, 80, 60, 0.08);
  transition: background 0.15s;
}

.geo-table tbody tr:hover { background: var(--surface2); }
.geo-table tbody tr:last-child { border-bottom: none; }

.geo-table td {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--text);
  padding: 14px 20px;
}

.geo-table td.right {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-align: right;
  color: var(--muted);
}

.loading-row td {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--muted);
  text-align: center;
  padding: 28px;
}

/* ─── Error / Empty states ─────────────────────── */
.error-state {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--accent-hot);
  text-align: center;
  padding: 32px 0;
}

/* ─── Responsive ─────────────────────────────────── */
@media (max-width: 900px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .charts-row { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .kpi-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .kpi-card { padding: 20px 16px; }
  .kpi-value { font-size: 2rem; }
  .kpi-value-text { font-size: 1rem; }
  .bar-chart { height: 160px; gap: 4px; }
}