/* ═══════════════════════════════════════════════════════════
   analytics.css — Analytics Dashboard styles
   Inline SVG charts, CSS bars, monochrome design
═══════════════════════════════════════════════════════════ */

/* ─── Overview Stat Cards ────────────────────────────────── */
.analytics-stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.a-stat-card {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.a-stat-icon {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2px;
}

.a-stat-icon svg {
  width: 14px;
  height: 14px;
  stroke: #fff;
  fill: none;
  stroke-width: 1.8;
}

.a-stat-icon.purple { background: var(--grad-purple); }
.a-stat-icon.blue   { background: var(--grad-blue); }
.a-stat-icon.green  { background: var(--grad-green); }
.a-stat-icon.pink   { background: var(--grad-pink); }

.a-stat-value {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1;
}

.a-stat-label {
  font-size: 11px;
  color: var(--text-tertiary);
  letter-spacing: 0.02em;
}

.a-stat-sub {
  font-size: 10px;
  color: var(--text-tertiary);
  margin-top: 2px;
}

/* ─── Chart Panels ───────────────────────────────────────── */
.analytics-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.analytics-grid.full {
  grid-template-columns: 1fr;
}

.a-panel {
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  overflow: hidden;
}

.a-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.a-panel-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.a-panel-title svg {
  width: 13px;
  height: 13px;
  stroke: var(--text-tertiary);
  fill: none;
  stroke-width: 1.8;
}

.a-panel-body {
  padding: 16px;
}

.a-panel-body.no-pad {
  padding: 0;
}

/* ─── Bar Chart (Daily Content) ──────────────────────────── */
.a-bar-chart {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 140px;
  padding-top: 8px;
}

.a-bar-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  justify-content: flex-end;
  position: relative;
}

.a-bar-stack {
  width: 100%;
  max-width: 24px;
  display: flex;
  flex-direction: column-reverse;
  border-radius: 3px 3px 0 0;
  overflow: hidden;
}

.a-bar-seg {
  width: 100%;
  transition: height 0.3s ease;
  min-height: 0;
}

.a-bar-seg.posts    { background: var(--text-primary); }
.a-bar-seg.comments { background: var(--text-tertiary); }

.a-bar-label {
  font-size: 8px;
  color: var(--text-disabled);
  margin-top: 4px;
  white-space: nowrap;
  text-align: center;
}

.a-bar-tooltip {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text-primary);
  color: #fff;
  font-size: 10px;
  padding: 3px 6px;
  border-radius: 3px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s;
  z-index: 5;
}

.a-bar-group:hover .a-bar-tooltip {
  opacity: 1;
}

.a-bar-legend {
  display: flex;
  gap: 14px;
  margin-top: 10px;
  justify-content: center;
}

.a-bar-legend-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 10px;
  color: var(--text-tertiary);
}

.a-bar-legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 2px;
}

.a-bar-legend-dot.posts    { background: var(--text-primary); }
.a-bar-legend-dot.comments { background: var(--text-tertiary); }

/* ─── Donut Chart (Tones) — Pure SVG ────────────────────── */
.a-donut-wrap {
  display: flex;
  align-items: center;
  gap: 20px;
}

.a-donut-svg {
  flex-shrink: 0;
}

.a-donut-legend {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  min-width: 0;
}

.a-donut-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-secondary);
}

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

.a-donut-legend-value {
  margin-left: auto;
  font-weight: 500;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}

/* ─── Campaign Table ─────────────────────────────────────── */
.a-campaign-table {
  width: 100%;
  border-collapse: collapse;
}

.a-campaign-table th {
  font-size: 10px;
  font-weight: 500;
  color: var(--text-tertiary);
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-subtle);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.a-campaign-table td {
  font-size: 12px;
  color: var(--text-secondary);
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.a-campaign-table tr:last-child td {
  border-bottom: none;
}

.a-campaign-table .camp-name {
  font-weight: 500;
  color: var(--text-primary);
}

.a-campaign-bar {
  height: 4px;
  background: var(--surface-sunken);
  border-radius: 2px;
  overflow: hidden;
  min-width: 60px;
}

.a-campaign-bar-fill {
  height: 100%;
  background: var(--text-primary);
  border-radius: 2px;
  transition: width 0.3s ease;
}

/* ─── Seeding Stats ──────────────────────────────────────── */
.a-seeding-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.a-seeding-stat {
  text-align: center;
}

.a-seeding-stat .val {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
}

.a-seeding-stat .lbl {
  font-size: 10px;
  color: var(--text-tertiary);
  margin-top: 2px;
}

.a-seeding-progress {
  margin-top: 14px;
}

.a-seeding-progress .track {
  height: 6px;
  background: var(--surface-sunken);
  border-radius: 3px;
  overflow: hidden;
}

.a-seeding-progress .fill {
  height: 100%;
  background: var(--text-primary);
  border-radius: 3px;
  transition: width 0.3s ease;
}

.a-seeding-progress .meta {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: var(--text-tertiary);
  margin-top: 4px;
}

/* ─── Date Range Selector ────────────────────────────────── */
.a-date-range {
  display: flex;
  gap: 2px;
  background: var(--surface-sunken);
  border-radius: var(--radius-sm);
  padding: 2px;
}

.a-date-range button {
  background: none;
  border: none;
  padding: 4px 10px;
  font-size: 10px;
  color: var(--text-tertiary);
  border-radius: var(--radius-xs);
  cursor: pointer;
  font-family: var(--font-sys);
  transition: all var(--transition-hover);
}

.a-date-range button:hover {
  color: var(--text-secondary);
}

.a-date-range button.active {
  background: var(--surface-card);
  color: var(--text-primary);
  font-weight: 500;
  box-shadow: var(--shadow-xs);
}

/* ─── Empty State ────────────────────────────────────────── */
.a-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 24px;
  min-height: 120px;
  color: var(--text-disabled);
  font-size: 12px;
  text-align: center;
}

.a-empty svg {
  width: 28px;
  height: 28px;
  stroke: var(--text-disabled);
  fill: none;
  stroke-width: 1.2;
  margin-bottom: 8px;
}

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

@media (max-width: 560px) {
  .analytics-stats {
    grid-template-columns: 1fr;
  }
  .a-donut-wrap {
    flex-direction: column;
  }
  .a-seeding-grid {
    grid-template-columns: 1fr;
  }
}