/* ==========================================
   ANALYTICS-SPECIFIC STYLES
   ========================================== */

.analytics-container {
  margin-top: 80px;
  padding: 0;
  max-width: none;
}

/* ==========================================
   ANALYTICS HEADER
   ========================================== */

.analytics-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-8) 0;
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-content h1 {
  font-family: var(--font-display);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.date-range-picker {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.date-range-picker label {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.date-range-picker select {
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-base);
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  min-width: 140px;
}

.refresh-btn,
.export-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-base);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: all var(--transition-base);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
}

.refresh-btn:hover,
.export-btn:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-accent);
}

.refresh-btn svg,
.export-btn svg {
  width: 16px;
  height: 16px;
}

/* ==========================================
   OVERVIEW SECTION
   ========================================== */

.overview-section {
  padding: var(--space-8) 0;
  background: var(--color-bg);
}

.overview-grid {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.overview-card {
  padding: var(--space-6);
  position: relative;
  overflow: hidden;
}

.overview-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-primary-gradient);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-4);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: rgba(0, 212, 255, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}

.card-icon svg {
  width: 24px;
  height: 24px;
}

.card-header h3 {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  margin: 0;
}

.card-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.metric-value {
  font-family: var(--font-display);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  line-height: 1;
}

.metric-change {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.metric-change.positive {
  color: var(--color-success);
}

.metric-change.negative {
  color: var(--color-error);
}

.metric-change.neutral {
  color: var(--color-text-secondary);
}

.metric-change svg {
  width: 16px;
  height: 16px;
}

/* ==========================================
   CHARTS SECTION
   ========================================== */

.charts-section {
  padding: var(--space-8) 0;
  background: rgba(255, 255, 255, 0.02);
}

.charts-grid {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-8);
}

.chart-card {
  padding: var(--space-6);
  min-height: 400px;
  display: flex;
  flex-direction: column;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
}

.chart-header h3 {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.chart-controls {
  display: flex;
  gap: var(--space-2);
}

.chart-type-btn {
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-base);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.chart-type-btn:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-accent);
}

.chart-type-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-bg);
}

.chart-container {
  flex: 1;
  position: relative;
  min-height: 300px;
}

.chart-container canvas {
  max-height: 300px;
}

.goal-stats {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
}

#goal-current {
  color: var(--color-accent);
}

/* ==========================================
   DETAILS SECTION
   ========================================== */

.details-section {
  padding: var(--space-8) 0;
  background: var(--color-bg);
}

.details-grid {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-8);
}

.details-card {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  max-height: 500px;
}

.details-card .card-header {
  margin-bottom: var(--space-4);
}

.view-all-btn {
  background: none;
  border: none;
  color: var(--color-accent);
  cursor: pointer;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  transition: color var(--transition-base);
}

.view-all-btn:hover {
  color: var(--color-primary-start);
}

/* ==========================================
   DONORS LIST
   ========================================== */

.donors-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.donor-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3);
  background: var(--color-surface);
  border-radius: var(--radius-base);
  border: 1px solid var(--color-border);
}

.donor-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.donor-name {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.donor-email {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.donor-amount {
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
}

/* ==========================================
   DONATIONS LIST
   ========================================== */

.donations-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.donation-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3);
  background: var(--color-surface);
  border-radius: var(--radius-base);
  border: 1px solid var(--color-border);
}

.donation-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.donation-amount {
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.donation-method {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.donation-date {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ==========================================
   FREQUENCY STATS
   ========================================== */

.frequency-stats {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.frequency-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.frequency-label {
  min-width: 80px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}

.frequency-bar {
  flex: 1;
  height: 8px;
  background: var(--color-surface);
  border-radius: var(--radius-full);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.frequency-fill {
  height: 100%;
  background: var(--color-primary-gradient);
  border-radius: var(--radius-full);
  transition: width 1s ease-out;
}

.frequency-value {
  min-width: 40px;
  text-align: right;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

/* ==========================================
   GEOGRAPHIC DISTRIBUTION
   ========================================== */

.geographic-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-height: 300px;
  overflow-y: auto;
}

.country-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface);
  border-radius: var(--radius-base);
  border: 1px solid var(--color-border);
}

.country-name {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

.country-count {
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
}

/* ==========================================
   PERFORMANCE SECTION
   ========================================== */

.performance-section {
  padding: var(--space-8) 0;
  background: rgba(255, 255, 255, 0.02);
}

.performance-grid {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
  gap: var(--space-8);
}

.performance-card {
  padding: var(--space-6);
}

.performance-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.metric-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.metric-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
}

.metric-value {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

/* ==========================================
   FUNNEL CHART
   ========================================== */

.funnel-chart {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.funnel-step {
  position: relative;
}

.step-bar {
  height: 40px;
  background: var(--color-primary-gradient);
  border-radius: var(--radius-base);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-4);
  color: white;
  font-weight: var(--font-weight-medium);
  position: relative;
  overflow: hidden;
}

.step-bar::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  animation: shimmer 2s infinite;
}

.step-label {
  font-size: var(--font-size-sm);
}

.step-count {
  font-weight: var(--font-weight-bold);
}

/* ==========================================
   EXPORT MODAL
   ========================================== */

.export-modal {
  max-width: 600px;
}

.export-options,
.export-data,
.export-range {
  margin-bottom: var(--space-6);
}

.export-options h3,
.export-data h3,
.export-range h3 {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
}

.format-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.data-checkboxes {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.date-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: none;
  border: none;
  font-size: var(--font-size-2xl);
  color: var(--color-text-secondary);
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-base);
  transition: all var(--transition-base);
}

.modal-close:hover {
  background: var(--color-surface);
  color: var(--color-text-primary);
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

@media (max-width: 1200px) {
  .charts-grid {
    grid-template-columns: 1fr 1fr;
  }

  .details-grid {
    grid-template-columns: 1fr 1fr;
  }

  .performance-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: var(--space-4);
    padding: 0 var(--space-4);
  }

  .header-controls {
    flex-direction: column;
    width: 100%;
    gap: var(--space-3);
  }

  .date-range-picker {
    width: 100%;
    justify-content: space-between;
  }

  .date-range-picker select {
    flex: 1;
    max-width: 200px;
  }

  .overview-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
    padding: 0 var(--space-4);
  }

  .charts-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    padding: 0 var(--space-4);
  }

  .chart-card {
    min-height: 350px;
  }

  .details-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    padding: 0 var(--space-4);
  }

  .performance-grid {
    padding: 0 var(--space-4);
  }

  .performance-metrics {
    grid-template-columns: 1fr;
  }

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

  .export-modal {
    margin: var(--space-4);
    max-width: none;
  }
}

@media (max-width: 480px) {
  .overview-grid {
    grid-template-columns: 1fr;
  }

  .charts-grid,
  .details-grid,
  .performance-grid {
    padding: 0 var(--space-3);
  }

  .chart-card {
    padding: var(--space-4);
    min-height: 300px;
  }

  .details-card,
  .performance-card {
    padding: var(--space-4);
  }

  .header-content h1 {
    font-size: var(--font-size-2xl);
  }

  .metric-value {
    font-size: var(--font-size-2xl);
  }

  .chart-header {
    flex-direction: column;
    gap: var(--space-3);
    align-items: flex-start;
  }

  .header-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .refresh-btn,
  .export-btn {
    justify-content: center;
  }
}

/* ==========================================
   LOADING STATES
   ========================================== */

.chart-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 300px;
  color: var(--color-text-secondary);
}

.chart-loading .spinner {
  width: 32px;
  height: 32px;
  margin-right: var(--space-3);
}

/* ==========================================
   EMPTY STATES
   ========================================== */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12);
  text-align: center;
  color: var(--color-text-secondary);
}

.empty-state svg {
  width: 64px;
  height: 64px;
  margin-bottom: var(--space-4);
  opacity: 0.5;
}

.empty-state h3 {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
}

.empty-state p {
  max-width: 300px;
  line-height: var(--line-height-relaxed);
}

/* ==========================================
   ANIMATIONS
   ========================================== */

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* Chart.js overrides */
.chartjs-tooltip {
  background: var(--glass-bg) !important;
  backdrop-filter: blur(var(--glass-blur)) !important;
  border: 1px solid var(--glass-border) !important;
  border-radius: var(--radius-md) !important;
  color: var(--color-text-primary) !important;
  font-family: var(--font-primary) !important;
  box-shadow: var(--shadow-lg) !important;
}

.chartjs-tooltip-key {
  background: var(--color-primary-start) !important;
  border-radius: var(--radius-sm) !important;
}