/* =========================================================
   DASHBOARD GERENCIAL (BI) — KPIs, gráficos, heatmap, export
   Reaproveita tokens de styles-base.css (cores, fonte Sora).
   ========================================================= */

.bi-page {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* ===== Cabeçalho + filtros ===== */
.bi-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.bi-head h2 {
  margin: 0;
  font: 800 22px/1.2 var(--font-display);
  color: var(--text-dark);
}

.bi-head p {
  margin: 4px 0 0;
  color: var(--text-muted);
  font-size: 13px;
}

.bi-head-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.bi-btn-export {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 39px;
  padding: 8px 14px;
  border-radius: 11px;
  font-size: 12.5px;
  font-weight: 800;
  border: 1px solid var(--card-border);
  background: #fff;
  color: var(--text-secondary);
}

.bi-btn-export:hover {
  background: var(--surface);
}

.bi-btn-export.pdf i { color: var(--brand-orange); }
.bi-btn-export.xlsx i { color: #0c7f47; }

.bi-filters {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  background: #fff;
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 12px 14px;
}

.bi-filter-presets {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px;
  background: var(--surface);
  border-radius: 11px;
}

.bi-filter-presets button {
  border: 0;
  background: transparent;
  padding: 7px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  white-space: nowrap;
}

.bi-filter-presets button.active {
  background: #fff;
  color: var(--brand-blue);
  box-shadow: 0 2px 6px rgba(21, 25, 42, .08);
}

.bi-filters .form-select,
.bi-filters .form-control {
  min-height: 39px;
  border-color: var(--input-border);
  border-radius: 11px;
  font-size: 12.5px;
  box-shadow: none;
}

.bi-filter-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.bi-filter-field span {
  font-size: 10.5px;
  font-weight: 800;
  color: var(--text-label);
  letter-spacing: .02em;
}

.bi-filters-spacer { flex: 1 1 auto; }

/* ===== Grid de KPIs ===== */
.bi-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(208px, 1fr));
  gap: 14px;
}

.bi-kpi-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 16px 18px;
  overflow: hidden;
  min-height: 128px;
  cursor: pointer;
  transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}

.bi-kpi-card:hover,
.bi-kpi-card:focus-visible {
  border-color: var(--brand-blue);
  box-shadow: 0 10px 24px rgba(21, 25, 42, .08);
  transform: translateY(-1px);
  outline: none;
}

.bi-kpi-card.alert {
  border-color: #fecaca;
  background: linear-gradient(180deg, #fff7f5 0%, #fff 60%);
}

.bi-kpi-card.alert:hover,
.bi-kpi-card.alert:focus-visible {
  border-color: var(--error-dot);
}

.bi-kpi-info {
  position: absolute;
  top: 14px;
  right: 14px;
  font-size: 14px;
  color: var(--text-muted-light);
}

.bi-kpi-label {
  font-size: 11.5px;
  font-weight: 800;
  color: var(--text-label);
  letter-spacing: .02em;
  text-transform: uppercase;
}

.bi-kpi-value {
  margin-top: 8px;
  font: 800 26px/1.1 var(--font-display);
  color: var(--text-dark);
}

.bi-kpi-card.alert .bi-kpi-value { color: var(--error-text); }

.bi-kpi-delta {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 8px;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
}

.bi-kpi-delta.good {
  background: var(--success-bg);
  color: var(--success-text);
}

.bi-kpi-delta.bad {
  background: var(--error-bg);
  color: var(--error-text);
}

.bi-kpi-delta.flat {
  background: var(--divider-2);
  color: var(--text-muted);
}

.bi-kpi-delta-label {
  margin-top: 4px;
  font-size: 10.5px;
  color: var(--text-muted-light);
}

/* ===== Grid de gráficos ===== */
.bi-chart-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.bi-chart-card {
  grid-column: span 1;
  background: #fff;
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 16px 18px 18px;
  display: flex;
  flex-direction: column;
  min-height: 360px;
}

.bi-chart-card.wide { grid-column: span 2; }

.bi-chart-head {
  margin-bottom: 10px;
}

.bi-chart-title {
  font: 800 14px/1.3 var(--font-display);
  color: var(--text-dark);
}

.bi-chart-sub {
  margin-top: 3px;
  font-size: 11.5px;
  color: var(--text-muted);
}

.bi-chart-body {
  position: relative;
  flex: 1 1 auto;
  min-height: 260px;
}

.bi-chart-body canvas {
  position: absolute;
  inset: 0;
}

.bi-chart-empty,
.bi-chart-error {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-align: center;
  color: var(--text-muted);
  font-size: 12.5px;
  padding: 0 20px;
}

.bi-chart-empty i,
.bi-chart-error i {
  font-size: 22px;
  color: var(--text-muted-light);
}

.bi-chart-error i { color: var(--error-dot); }

.bi-chart-error button {
  margin-top: 4px;
  border: 1px solid var(--card-border);
  background: #fff;
  border-radius: 9px;
  padding: 5px 12px;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--brand-blue);
}

/* ===== Skeleton (loading) ===== */
.bi-skeleton {
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: 12px;
  background: linear-gradient(100deg, var(--divider-2) 30%, #fff 50%, var(--divider-2) 70%);
  background-size: 200% 100%;
  animation: bi-shimmer 1.3s ease-in-out infinite;
}

.bi-kpi-card .bi-skeleton { inset: 0; border-radius: 16px; }

@keyframes bi-shimmer {
  0% { background-position: 140% 0; }
  100% { background-position: -40% 0; }
}

/* ===== Heatmap dia x hora ===== */
.bi-heatmap-wrap {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 260px;
}

.bi-heatmap {
  display: grid;
  grid-template-columns: 46px repeat(var(--bi-heatmap-cols), 1fr);
  gap: 3px;
  align-items: center;
}

.bi-heatmap-corner { font-size: 10px; }

.bi-heatmap-hour {
  font-size: 9.5px;
  font-weight: 700;
  color: var(--text-muted-light);
  text-align: center;
}

.bi-heatmap-day {
  font-size: 11px;
  font-weight: 800;
  color: var(--text-secondary);
}

.bi-heatmap-cell {
  height: 20px;
  border-radius: 4px;
  background: var(--divider-2);
}

.bi-heatmap-legend {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 10.5px;
  color: var(--text-muted-light);
  margin-top: 2px;
}

.bi-heatmap-legend-scale {
  display: flex;
  gap: 2px;
}

.bi-heatmap-legend-scale span {
  width: 14px;
  height: 10px;
  border-radius: 2px;
}

/* ===== Responsivo ===== */
@media (max-width: 1180px) {
  .bi-chart-grid {
    grid-template-columns: 1fr;
  }
  .bi-chart-card.wide { grid-column: span 1; }
}

@media (max-width: 768px) {
  .bi-filters {
    flex-direction: column;
    align-items: stretch;
  }
  .bi-filters-spacer { display: none; }
  .bi-head { flex-direction: column; }
}