/* ════ TAB ESTADÍSTICAS ════ */
#tab-analytics { padding: 0 32px 28px 32px !important; margin-top: 0; }

/* Barra superior: título + período + exportar */
.analytics-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.analytics-title { font-family: var(--font-d); font-size: 18px; letter-spacing: 3px; color: var(--brand-light); text-transform: uppercase; }
.analytics-controls { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.analytics-period { display: flex; align-items: center; gap: 10px; margin-top: 0; margin-bottom: 0; flex-wrap: wrap; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 10px 14px; }
.analytics-period label { font-size: 11px; color: var(--muted); letter-spacing: 1px; text-transform: uppercase; white-space: nowrap; }
.analytics-period select { background: var(--surface2); border: 1px solid var(--border); color: var(--text); padding: 7px 12px; border-radius: var(--radius-sm); font-size: 13px; font-family: var(--font-b); outline: none; cursor: pointer; }
.analytics-period select:focus { border-color: var(--brand-light); }

/* Rango personalizado (oculto hasta elegir "Personalizado…") */
#analytics-custom { display: none; align-items: center; gap: 8px; flex-wrap: wrap; }
#analytics-custom .date-input { background: var(--surface2); border: 1px solid var(--border); color: var(--text); padding: 6px 10px; border-radius: var(--radius-sm); font-size: 13px; font-family: var(--font-b); outline: none; }
.btn-apply { background: var(--brand); color: #fff; border: none; padding: 6px 14px; border-radius: var(--radius-sm); font-family: var(--font-d); font-size: 12px; letter-spacing: 1.5px; cursor: pointer; }

/* Botón exportar PDF de estadísticas (variante más visible) */
.btn-export-stats { padding: 9px 16px; font-size: 13px; gap: 7px; border-radius: var(--radius-md); }
.btn-export-stats svg { width: 15px; height: 15px; flex-shrink: 0; }

/* ════ KPIs Y GRÁFICOS ════ */
.analytics-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
.analytics-grid.single { grid-template-columns: 1fr; }
.chart-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 18px 20px; }
.chart-card:hover { border-color: var(--border2); }
.chart-title { font-family: var(--font-d); font-size: 12px; letter-spacing: 2px; text-transform: uppercase; color: var(--brand-light); margin-bottom: 14px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
.chart-wrap { position: relative; }
.kpi-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 16px; min-height: 0; }
.kpi-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 16px 18px; }
.kpi-card:hover { border-color: var(--border2); }
.kpi-label { font-size: 10px; color: var(--muted); letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 6px; }
.kpi-value { font-family: var(--font-d); font-size: 22px; color: var(--text); letter-spacing: 1px; }
.kpi-value.accent { color: var(--brand-light); }
.kpi-sub { font-size: 11px; color: var(--muted2); margin-top: 4px; }

@media (max-width: 700px) {
  #tab-analytics { padding: 18px 14px 24px 14px !important; }
  .analytics-toolbar { gap: 10px; }
  .analytics-title { font-size: 16px; letter-spacing: 2px; }
  .analytics-controls { width: 100%; }
  .analytics-period { padding: 8px 10px; gap: 8px; flex: 1; }
  .analytics-period select { flex: 1; }
  .btn-export-stats { width: 100%; justify-content: center; }
  .analytics-grid { grid-template-columns: 1fr; gap: 14px; margin-bottom: 14px; }
  .kpi-row { grid-template-columns: 1fr 1fr; gap: 10px; }
  .kpi-card { padding: 12px 14px; }
  .kpi-value { font-size: 18px; }
  .chart-card { padding: 14px 14px; }
  /* Bajar la altura de cada chart-wrap inline para que entren bien en pantalla */
  .chart-wrap { height: 200px !important; }
}