/* ============================================================================
   Executive BI Dashboard styles
   Uses the app's design tokens (var(--…)) so it tracks the light/dark theme.
   ========================================================================== */
.bi-view-container {
  padding: 24px;
  background: var(--bg-primary);
  min-height: 100%;
}

/* ---- Header ---- */
.bi-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}
.bi-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0 0 4px;
  letter-spacing: -0.02em;
}
.bi-subtitle {
  color: var(--text-tertiary);
  font-size: 0.88rem;
}
.bi-header-actions { display: flex; gap: 10px; }

/* ---- Section headings ---- */
.bi-section-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 30px 0 14px;
}
.bi-section-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
}
.bi-section-note { font-size: 0.8rem; color: var(--text-tertiary); }

/* ---- Executive scorecard ---- */
.bi-kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
@media (max-width: 1100px) { .bi-kpi-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px)  { .bi-kpi-grid { grid-template-columns: 1fr; } }

.bi-kpi-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light, var(--border-primary));
  border-radius: 14px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.bi-kpi-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px -8px rgba(0, 0, 0, 0.18);
}
.bi-kpi-top { display: flex; align-items: center; gap: 10px; }
.bi-kpi-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.05rem; color: #fff; flex-shrink: 0;
}
.bi-kpi-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.bi-kpi-val {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.bi-kpi-sub { font-size: 0.8rem; color: var(--text-tertiary); font-weight: 500; }
.bi-tone-good { color: #16a34a; }
.bi-tone-warn { color: #d97706; }
.bi-tone-bad  { color: #dc2626; }
.bi-tone-neutral { color: var(--text-tertiary); }

/* ---- Action centre ---- */
.bi-alerts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}
.bi-alert {
  display: flex;
  align-items: center;
  gap: 12px;
  text-align: left;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light, var(--border-primary));
  border-left-width: 4px;
  border-radius: 12px;
  padding: 14px 16px;
  cursor: pointer;
  font: inherit;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.bi-alert:hover { transform: translateY(-2px); box-shadow: 0 8px 18px -8px rgba(0, 0, 0, 0.2); }
.bi-alert-bad  { border-left-color: #dc2626; }
.bi-alert-warn { border-left-color: #d97706; }
.bi-alert-neutral { border-left-color: #2563eb; }
.bi-alert-icon { font-size: 1.4rem; flex-shrink: 0; }
.bi-alert-body { display: flex; flex-direction: column; line-height: 1.2; }
.bi-alert-value { font-size: 1.25rem; font-weight: 800; color: var(--text-primary); }
.bi-alert-label { font-size: 0.8rem; color: var(--text-secondary); }
.bi-alert-clear {
  grid-column: 1 / -1;
  background: var(--bg-secondary);
  border: 1px dashed var(--border-light, var(--border-primary));
  border-radius: 12px;
  padding: 22px;
  text-align: center;
  color: #16a34a;
  font-weight: 600;
}

/* ---- Charts ---- */
.bi-charts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
@media (max-width: 900px) { .bi-charts-grid { grid-template-columns: 1fr; } }
.bi-chart-wide { grid-column: 1 / -1; }

.bi-view-container .chart-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light, var(--border-primary));
  border-radius: 14px;
  padding: 18px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  display: flex;
  flex-direction: column;
}
.bi-view-container .chart-card .chart-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 14px;
}
.bi-view-container .chart-card .chart-container {
  position: relative;
  height: 280px;
  flex: 1;
}
.bi-chart-wide .chart-container { height: 320px; }

.bi-chart-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.bi-chart-head .chart-title { margin: 0; }

.bi-trend-toggle { display: inline-flex; gap: 4px; background: var(--bg-primary); padding: 3px; border-radius: 8px; border: 1px solid var(--border-light, var(--border-primary)); }
.bi-trend-btn {
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font: inherit;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
}
.bi-trend-btn.active { background: var(--accent-primary, #2563eb); color: #fff; }

.bi-chart-empty {
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text-tertiary);
  font-size: 0.88rem;
  padding: 20px;
}

/* ---- Clickable KPI cards (rendered as <button>) ---- */
button.bi-kpi-card {
  width: 100%;
  text-align: left;
  font: inherit;
  cursor: pointer;
  color: inherit;
}
button.bi-kpi-card:focus-visible {
  outline: 2px solid var(--accent, #e52121);
  outline-offset: 2px;
}
.bi-kpi-clickable { position: relative; }
.bi-kpi-clickable::after {
  content: '↗';
  position: absolute;
  top: 10px; right: 12px;
  color: var(--text-tertiary);
  font-size: 0.8rem;
  opacity: 0;
  transition: opacity 0.15s ease;
}
.bi-kpi-clickable:hover::after { opacity: 1; }

/* ---- Auto-refresh toggle in header ---- */
.bi-autoref {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px; border-radius: 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light, var(--border-primary));
  font-size: 0.84rem; font-weight: 600;
  color: var(--text-secondary); cursor: pointer;
  user-select: none;
}
.bi-autoref input { margin: 0; cursor: pointer; }
.bi-autoref:has(input:checked) { color: var(--text-primary); border-color: var(--accent, #2563eb); }

/* ---- Collapse buttons in section headers ---- */
.bi-collapse-btn {
  background: none; border: none; padding: 0;
  font: inherit; color: inherit; cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px;
}
.bi-collapse-btn:hover { color: var(--accent, #2563eb); }
.bi-collapse-btn span { font-size: 0.78rem; color: var(--accent, #2563eb); }

/* ---- Action-centre filter chips ---- */
.bi-alert-filter {
  display: inline-flex; gap: 4px; margin-left: auto;
  background: var(--bg-primary); padding: 3px;
  border-radius: 8px; border: 1px solid var(--border-light, var(--border-primary));
}
.bi-alert-filter-btn {
  background: transparent; border: none;
  color: var(--text-secondary); font: inherit;
  font-size: 0.78rem; font-weight: 600;
  padding: 4px 10px; border-radius: 6px; cursor: pointer;
}
.bi-alert-filter-btn:hover { color: var(--text-primary); }
.bi-alert-filter-btn.active { background: var(--accent, #2563eb); color: #fff; }

/* ---- Section head needs flexible alignment with the new chips ---- */
.bi-section-head { flex-wrap: wrap; }