/* ============================================================================
   dashboard.css — layout + components specific to the dashboard view.
   Section arrangement mirrors the reference; visuals are token-driven.
   ============================================================================ */

/* ---- Page header --------------------------------------------------------- */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}
.page-title { font-size: var(--text-2xl); letter-spacing: -0.02em; }
.page-subtitle { color: var(--muted-foreground); font-size: var(--text-sm); margin-top: 2px; }
.page-actions { display: flex; gap: var(--space-2); }

/* ---- Tabs ---------------------------------------------------------------- */
.tabs {
  display: flex;
  gap: var(--space-1);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-5);
}
.tab {
  padding: var(--space-3) var(--space-4);
  color: var(--muted-foreground);
  font-weight: var(--font-weight-medium);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.tab:hover { color: var(--foreground); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* ---- Section spacing ----------------------------------------------------- */
.stack > * + * { margin-top: var(--space-5); }

/* ---- Filter grid --------------------------------------------------------- */
.filter-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-4);
  align-items: end;
}
.filter-grid .field-range   { grid-column: span 2; }
.filter-grid .field-wide    { grid-column: span 3; }
.filter-grid .field-apply   { grid-column: span 1; }

/* ---- KPI cards ----------------------------------------------------------- */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}
.kpi-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.kpi { display: flex; flex-direction: column; gap: var(--space-3); }
.kpi-top { display: flex; align-items: center; gap: var(--space-3); }
.kpi-icon {
  display: grid;
  place-items: center;
  width: 42px; height: 42px;
  flex: none;
  border-radius: var(--radius-md);
  color: var(--primary-foreground);
}
.kpi-icon .icon { width: 1.25rem; height: 1.25rem; }
.kpi-icon.tone-primary { background: var(--chart-1); }
.kpi-icon.tone-info    { background: var(--chart-2); }
.kpi-icon.tone-success { background: var(--chart-3); }
.kpi-icon.tone-warn    { background: var(--chart-4); }
.kpi-label { font-size: var(--text-sm); color: var(--muted-foreground); font-weight: var(--font-weight-medium); }
.kpi-value { font-size: var(--text-3xl); font-weight: var(--font-weight-bold); letter-spacing: -0.02em; }
.kpi-delta { display: inline-flex; align-items: center; gap: var(--space-1); font-size: var(--text-sm); font-weight: var(--font-weight-medium); }
.kpi-delta.up   { color: var(--success); }
.kpi-delta.down { color: var(--danger); }
.kpi-delta .icon { width: 0.9rem; height: 0.9rem; }
.kpi-delta span { color: var(--muted-foreground); font-weight: var(--font-weight-normal); }

/* ---- Chart grid ---------------------------------------------------------- */
.grid-2-3 {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: var(--space-5);
}
.grid-2-1 {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-5);
}
.chart-box { position: relative; }

/* ---- Data table ---------------------------------------------------------- */
.table-wrap { overflow-x: auto; }
.data-table th,
.data-table td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  white-space: nowrap;
}
.data-table thead th {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted-foreground);
  font-weight: var(--font-weight-semibold);
  border-bottom: 1px solid var(--border);
}
.data-table tbody td {
  border-bottom: 1px solid var(--border);
  color: var(--foreground);
}
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr { transition: background var(--transition-fast); }
.data-table tbody tr:hover { background: var(--secondary); }
.data-table .cell-strong { font-weight: var(--font-weight-semibold); }
.data-table .cell-num { font-variant-numeric: tabular-nums; }
.data-table .cell-muted { color: var(--muted-foreground); }

/* ---- Recommendations ----------------------------------------------------- */
.rec-list { display: flex; flex-direction: column; }
.rec-item {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-5);
  border-bottom: 1px solid var(--border);
}
.rec-item:last-child { border-bottom: none; }
.rec-icon {
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  flex: none;
  border-radius: var(--radius-pill);
}
.rec-icon .icon { width: 1.3rem; height: 1.3rem; }
.rec-icon.tone-warn    { background: var(--warn-subtle); color: var(--warn); }
.rec-icon.tone-info    { background: var(--info-subtle); color: var(--info); }
.rec-icon.tone-success { background: var(--success-subtle); color: var(--success); }
.rec-body { flex: 1; }
.rec-body h3 { font-size: var(--text-md); margin-bottom: var(--space-1); }
.rec-body p { color: var(--muted-foreground); font-size: var(--text-sm); }
.rec-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-3); }

/* ---- Responsive ---------------------------------------------------------- */
@media (max-width: 1100px) {
  .grid-2-3,
  .grid-2-1 { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .kpi-grid,
  .kpi-grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
  .filter-grid .field-range,
  .filter-grid .field-wide,
  .filter-grid .field-apply { grid-column: span 6; }
}
@media (max-width: 560px) {
  .kpi-grid,
  .kpi-grid.cols-3 { grid-template-columns: 1fr; }
  .filter-grid .field-range,
  .filter-grid .field-wide,
  .filter-grid .field-apply { grid-column: span 12; }
}