/* ===== ANALYTICS DASHBOARD ===== */
/* Drop-in replacement for assets/css/analytics.css
   Matches the class names used in index.html's analytics tab. */

:root {
  --an-ink: #1a0f33;
  --an-muted: #6b7280;
  --an-faint: #9aa1ad;
  --an-line: #e8e9ee;
  --an-surface: #ffffff;
  --an-canvas: #f7f7fa;
  --an-accent: #8b7ff5;
  --an-pos: #10b981;
  --an-neg: #ef4444;
  --an-ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Shell --------------------------------------------------------------- */
.analytics-section {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  margin: 0;
  transition: none;
}

.analytics-section:hover {
  border-color: transparent;
  box-shadow: none;
  transform: none;
}

.analytics-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--an-line);
}

.analytics-header h4,
.analytics-title {
  margin: 0 0 0.25rem;
  font-size: 1.25rem;
  font-weight: 650;
  letter-spacing: -0.015em;
  color: var(--an-ink);
}

.analytics-header p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--an-muted);
}

.analytics-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.analytics-filter {
  padding: 0.45rem 0.85rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--an-muted);
  background: var(--an-surface);
  border: 1px solid var(--an-line);
  border-radius: 8px;
  cursor: pointer;
  transition: color 0.18s var(--an-ease), border-color 0.18s var(--an-ease);
}

.analytics-filter:hover {
  color: var(--an-ink);
  border-color: #cfd2da;
  background: var(--an-surface);
}

.analytics-filter.active {
  color: var(--an-surface);
  background: var(--an-ink);
  border-color: var(--an-ink);
}

/* Key metric cards ---------------------------------------------------- */
.analytics-metrics-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.metric-card {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 1.1rem 1.25rem;
  background: var(--an-surface);
  border: 1px solid var(--an-line);
  border-radius: 14px;
  transition: border-color 0.18s var(--an-ease);
}

.metric-card:hover {
  border-color: #cfd2da;
}

.metric-icon {
  flex-shrink: 0;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  font-size: 1.05rem;
  color: var(--an-surface);
  border-radius: 11px;
}

.metric-content {
  min-width: 0;
}

.metric-card .metric-label {
  margin: 0 0 0.2rem;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  color: var(--an-muted);
}

.metric-card .metric-value {
  margin: 0;
  font-size: 1.6rem;
  font-weight: 650;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--an-ink);
  font-variant-numeric: tabular-nums;
}

/* Charts -------------------------------------------------------------- */
.charts-grid {
  display: block;
}

.chart-container-wrapper {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--an-surface);
  border: 1px solid var(--an-line);
  border-radius: 14px;
  overflow: hidden;
}

.chart-header {
  padding: 1rem 1.25rem 0.75rem;
  border-bottom: 1px solid var(--an-line);
}

.chart-header h6 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.15rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--an-ink);
}

.chart-header h6 i {
  font-size: 0.9rem;
  color: var(--an-accent);
}

.chart-subtitle {
  margin: 0;
  font-size: 0.78rem;
  color: var(--an-faint);
}

.chart-body {
  position: relative;
  flex: 1;
  height: 280px;
  padding: 1rem 1.25rem 1.25rem;
}

.chart-body canvas {
  max-height: 100%;
}

/* Legacy chart container (kept for other views) ----------------------- */
.chart-container {
  position: relative;
  height: 300px;
  padding: 1rem;
  background: var(--an-surface);
  border: 1px solid var(--an-line);
  border-radius: 14px;
}

.chart-container canvas {
  max-height: 100%;
}

/* Stats grid ---------------------------------------------------------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.stat-card {
  padding: 1.25rem;
  text-align: left;
  background: var(--an-surface);
  border: 1px solid var(--an-line);
  border-radius: 14px;
  transition: border-color 0.18s var(--an-ease);
}

.stat-card:hover {
  border-color: #cfd2da;
  transform: none;
  box-shadow: none;
}

.stat-label {
  margin-bottom: 0.4rem;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  color: var(--an-muted);
}

.stat-value {
  margin: 0;
  font-size: 1.75rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--an-ink);
  font-variant-numeric: tabular-nums;
}

.stat-change {
  display: inline-block;
  margin-top: 0.5rem;
  padding: 0.15rem 0.45rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 5px;
}

.stat-change.positive {
  color: var(--an-pos);
  background: rgba(16, 185, 129, 0.1);
}

.stat-change.negative {
  color: var(--an-neg);
  background: rgba(239, 68, 68, 0.1);
}

/* Performance rows ---------------------------------------------------- */
.performance-metrics {
  display: grid;
  gap: 0.5rem;
}

.metric-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  background: var(--an-surface);
  border: 1px solid var(--an-line);
  border-left: 3px solid var(--an-line);
  border-radius: 10px;
  transition: border-left-color 0.18s var(--an-ease);
}

.metric-row:hover {
  border-left-color: var(--an-accent);
  background: var(--an-surface);
}

.metric-row .metric-label {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--an-ink);
}

.metric-row .metric-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--an-ink);
  font-variant-numeric: tabular-nums;
}

.metric-progress {
  width: 100%;
  height: 6px;
  margin-top: 0.5rem;
  background: var(--an-canvas);
  border-radius: 3px;
  overflow: hidden;
}

.metric-progress-bar {
  height: 100%;
  background: var(--an-accent);
  border-radius: 3px;
  transition: width 0.4s var(--an-ease);
}

/* Report -------------------------------------------------------------- */
.report-section {
  padding: 1.25rem;
  margin-top: 1rem;
  background: var(--an-surface);
  border: 1px solid var(--an-line);
  border-radius: 14px;
}

.report-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--an-ink);
}

.report-content {
  display: grid;
  gap: 0.5rem;
}

.report-item {
  padding: 0.75rem 0.9rem;
  font-size: 0.88rem;
  color: var(--an-muted);
  background: var(--an-canvas);
  border-left: 3px solid var(--an-line);
  border-radius: 8px;
}

.report-item.highlight {
  color: var(--an-ink);
  border-left-color: var(--an-accent);
  background: rgba(139, 127, 245, 0.06);
}

/* Loading and empty states -------------------------------------------- */
#analyticsLoadingState .spinner-border,
#analyticsContent .spinner-border {
  color: var(--an-accent) !important;
}

#emptyAnalyticsState h5 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--an-ink);
}

#emptyAnalyticsState p {
  font-size: 0.88rem;
  color: var(--an-muted);
}

/* Responsive ----------------------------------------------------------- */
@media (max-width: 991px) {
  .chart-body {
    height: 260px;
  }
}

@media (max-width: 768px) {
  .analytics-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .analytics-controls {
    width: 100%;
  }

  .analytics-metrics-row {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.75rem;
  }

  .metric-card {
    padding: 0.9rem 1rem;
    gap: 0.75rem;
  }

  .metric-icon {
    width: 36px;
    height: 36px;
    font-size: 0.95rem;
  }

  .metric-card .metric-value {
    font-size: 1.35rem;
  }

  .chart-body {
    height: 240px;
    padding: 0.85rem 1rem 1rem;
  }

  .stat-value {
    font-size: 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .metric-card,
  .stat-card,
  .metric-row,
  .metric-progress-bar,
  .analytics-filter {
    transition: none;
  }
}

/* ===== TIME RANGE SELECTOR ===== */
.trend-time-range-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  padding: 0.75rem;
  background: var(--an-canvas);
  border-radius: 10px;
  flex-wrap: wrap;
}

.trend-time-range-controls label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--an-muted);
  margin: 0;
  flex-shrink: 0;
}

.trend-time-range-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.trend-time-range-btn {
  padding: 0.5rem 1rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--an-muted);
  background: var(--an-surface);
  border: 1px solid var(--an-line);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.18s var(--an-ease);
}

.trend-time-range-btn:hover {
  color: var(--an-ink);
  border-color: #cfd2da;
  background: var(--an-surface);
}

.trend-time-range-btn.active {
  color: #ffffff;
  background: var(--an-accent);
  border-color: var(--an-accent);
}

#customRangeContainer {
  display: none;
  margin-top: 1rem;
  padding: 1rem;
  background: var(--an-canvas);
  border: 1px solid var(--an-line);
  border-radius: 10px;
  animation: slideDown 0.3s var(--an-ease);
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.custom-range-inputs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.custom-range-inputs input {
  padding: 0.6rem 0.9rem;
  font-size: 0.88rem;
  border: 1px solid var(--an-line);
  border-radius: 8px;
  background: var(--an-surface);
  color: var(--an-ink);
}

.custom-range-inputs input:focus {
  outline: none;
  border-color: var(--an-accent);
  box-shadow: 0 0 0 2px rgba(139, 127, 245, 0.1);
}

.custom-range-buttons {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.custom-range-btn {
  padding: 0.6rem 1.2rem;
  font-size: 0.82rem;
  font-weight: 500;
  border: 1px solid var(--an-line);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.18s var(--an-ease);
}

.custom-range-btn.apply {
  color: #ffffff;
  background: var(--an-accent);
  border-color: var(--an-accent);
}

.custom-range-btn.apply:hover {
  background: #7a6fd7;
  border-color: #7a6fd7;
}

.custom-range-btn.reset {
  color: var(--an-muted);
  background: var(--an-surface);
  border-color: var(--an-line);
}

.custom-range-btn.reset:hover {
  color: var(--an-ink);
  border-color: #cfd2da;
}

#callsTrendDateRange {
  font-size: 0.82rem;
  color: var(--an-muted);
  font-style: italic;
  margin-left: auto;
  white-space: nowrap;
}

#callsTrendChartContainer {
  transition: opacity 0.3s var(--an-ease);
}

@media (max-width: 768px) {
  .trend-time-range-controls {
    flex-direction: column;
    align-items: flex-start;
  }

  .trend-time-range-buttons {
    width: 100%;
  }

  .custom-range-inputs {
    grid-template-columns: 1fr;
  }

  .custom-range-buttons {
    width: 100%;
  }

  .custom-range-btn {
    flex: 1;
    min-width: 100px;
  }

  #callsTrendDateRange {
    margin-left: 0;
    margin-top: 0.5rem;
  }
}