/**
 * Dashboard Template - Charts Styles
 * Advanced chart components and visualizations
 */

/* ==============================================
   Chart Containers
   ============================================== */
.dashboard-chart {
  position: relative;
  width: 100%;
  height: 300px;
  background-color: var(--dashboard-surface);
  border-radius: var(--dashboard-radius-lg);
  overflow: hidden;
}

.dashboard-chart-large {
  height: 400px;
}

.dashboard-chart-small {
  height: 200px;
}

.dashboard-chart-mini {
  height: 150px;
}

/* ==============================================
   Chart Loading States
   ============================================== */
.dashboard-chart-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  background-color: var(--dashboard-background);
}

.dashboard-chart-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--dashboard-border);
  border-top: 4px solid var(--dashboard-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.dashboard-chart-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--dashboard-text-secondary);
  text-align: center;
  padding: var(--dashboard-spacing-lg);
}

.dashboard-chart-error-icon {
  width: 48px;
  height: 48px;
  background-color: #fef2f2;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #dc2626;
  margin-bottom: var(--dashboard-spacing-md);
}

/* ==============================================
   Chart Types
   ============================================== */
.dashboard-chart-line {
  background: linear-gradient(135deg, var(--dashboard-surface), var(--dashboard-background));
}

.dashboard-chart-bar {
  background: linear-gradient(135deg, var(--dashboard-surface), var(--dashboard-background));
}

.dashboard-chart-pie {
  background: linear-gradient(135deg, var(--dashboard-surface), var(--dashboard-background));
}

.dashboard-chart-donut {
  background: linear-gradient(135deg, var(--dashboard-surface), var(--dashboard-background));
}

.dashboard-chart-area {
  background: linear-gradient(135deg, var(--dashboard-surface), var(--dashboard-background));
}

/* ==============================================
   Chart Legends
   ============================================== */
.dashboard-chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--dashboard-spacing-md);
  margin-top: var(--dashboard-spacing-lg);
  padding: var(--dashboard-spacing-md);
  background-color: var(--dashboard-background);
  border-radius: var(--dashboard-radius-md);
}

.dashboard-chart-legend-item {
  display: flex;
  align-items: center;
  gap: var(--dashboard-spacing-sm);
  font-size: 0.875rem;
  color: var(--dashboard-text-secondary);
}

.dashboard-chart-legend-color {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  flex-shrink: 0;
}

.dashboard-chart-legend-label {
  font-weight: 500;
}

.dashboard-chart-legend-value {
  color: var(--dashboard-text);
  font-weight: 600;
}

/* ==============================================
   Chart Tooltips
   ============================================== */
.dashboard-chart-tooltip {
  position: absolute;
  background-color: var(--dashboard-surface);
  border: 1px solid var(--dashboard-border);
  border-radius: var(--dashboard-radius-md);
  padding: var(--dashboard-spacing-sm) var(--dashboard-spacing-md);
  box-shadow: var(--dashboard-shadow-lg);
  font-size: 0.875rem;
  z-index: 1000;
  pointer-events: none;
  opacity: 0;
  transform: translateY(-10px);
  transition: var(--dashboard-transition);
}

.dashboard-chart-tooltip.visible {
  opacity: 1;
  transform: translateY(0);
}

.dashboard-chart-tooltip-title {
  font-weight: 600;
  color: var(--dashboard-text);
  margin-bottom: var(--dashboard-spacing-xs);
}

.dashboard-chart-tooltip-content {
  color: var(--dashboard-text-secondary);
}

.dashboard-chart-tooltip-value {
  color: var(--dashboard-primary);
  font-weight: 600;
}

/* ==============================================
   Chart Controls
   ============================================== */
.dashboard-chart-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--dashboard-spacing-lg);
  padding: var(--dashboard-spacing-md);
  background-color: var(--dashboard-background);
  border-radius: var(--dashboard-radius-md);
}

.dashboard-chart-controls-left {
  display: flex;
  align-items: center;
  gap: var(--dashboard-spacing-md);
}

.dashboard-chart-controls-right {
  display: flex;
  align-items: center;
  gap: var(--dashboard-spacing-sm);
}

.dashboard-chart-period-selector {
  display: flex;
  background-color: var(--dashboard-surface);
  border: 1px solid var(--dashboard-border);
  border-radius: var(--dashboard-radius-md);
  overflow: hidden;
}

.dashboard-chart-period-btn {
  background: none;
  border: none;
  padding: var(--dashboard-spacing-sm) var(--dashboard-spacing-md);
  font-size: 0.875rem;
  color: var(--dashboard-text-secondary);
  cursor: pointer;
  transition: var(--dashboard-transition);
  border-right: 1px solid var(--dashboard-border);
}

.dashboard-chart-period-btn:last-child {
  border-right: none;
}

.dashboard-chart-period-btn:hover,
.dashboard-chart-period-btn.active {
  background-color: var(--dashboard-primary);
  color: white;
}

.dashboard-chart-export-btn {
  background: none;
  border: 1px solid var(--dashboard-border);
  color: var(--dashboard-text-secondary);
  cursor: pointer;
  padding: var(--dashboard-spacing-sm) var(--dashboard-spacing-md);
  border-radius: var(--dashboard-radius-md);
  font-size: 0.875rem;
  transition: var(--dashboard-transition);
}

.dashboard-chart-export-btn:hover {
  background-color: var(--dashboard-primary);
  color: white;
  border-color: var(--dashboard-primary);
}

/* ==============================================
   Mini Charts
   ============================================== */
.dashboard-mini-chart {
  display: flex;
  align-items: center;
  gap: var(--dashboard-spacing-md);
  padding: var(--dashboard-spacing-md);
  background-color: var(--dashboard-surface);
  border: 1px solid var(--dashboard-border);
  border-radius: var(--dashboard-radius-md);
  transition: var(--dashboard-transition);
}

.dashboard-mini-chart:hover {
  box-shadow: var(--dashboard-shadow);
}

.dashboard-mini-chart-info {
  flex: 1;
}

.dashboard-mini-chart-title {
  font-size: 0.875rem;
  color: var(--dashboard-text-secondary);
  margin: 0 0 var(--dashboard-spacing-xs) 0;
}

.dashboard-mini-chart-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--dashboard-text);
  margin: 0;
}

.dashboard-mini-chart-trend {
  display: flex;
  align-items: center;
  gap: var(--dashboard-spacing-xs);
  font-size: 0.75rem;
  font-weight: 600;
  margin-top: var(--dashboard-spacing-xs);
}

.dashboard-mini-chart-trend.positive {
  color: #059669;
}

.dashboard-mini-chart-trend.negative {
  color: #dc2626;
}

.dashboard-mini-chart-visual {
  width: 60px;
  height: 40px;
  position: relative;
  overflow: hidden;
}

.dashboard-mini-chart-sparkline {
  width: 100%;
  height: 100%;
  stroke: var(--dashboard-primary);
  stroke-width: 2;
  fill: none;
}

/* ==============================================
   Progress Charts
   ============================================== */
.dashboard-progress-chart {
  display: flex;
  flex-direction: column;
  gap: var(--dashboard-spacing-md);
}

.dashboard-progress-item {
  display: flex;
  align-items: center;
  gap: var(--dashboard-spacing-md);
}

.dashboard-progress-label {
  min-width: 100px;
  font-size: 0.875rem;
  color: var(--dashboard-text-secondary);
}

.dashboard-progress-bar {
  flex: 1;
  height: 8px;
  background-color: var(--dashboard-border);
  border-radius: var(--dashboard-radius-sm);
  overflow: hidden;
  position: relative;
}

.dashboard-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--dashboard-primary), var(--dashboard-secondary));
  border-radius: var(--dashboard-radius-sm);
  transition: width 0.5s ease-in-out;
}

.dashboard-progress-value {
  min-width: 40px;
  text-align: right;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--dashboard-text);
}

/* ==============================================
   Gauge Charts
   ============================================== */
.dashboard-gauge-chart {
  position: relative;
  width: 200px;
  height: 200px;
  margin: 0 auto;
}

.dashboard-gauge-chart svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.dashboard-gauge-background {
  fill: none;
  stroke: var(--dashboard-border);
  stroke-width: 8;
}

.dashboard-gauge-progress {
  fill: none;
  stroke: var(--dashboard-primary);
  stroke-width: 8;
  stroke-linecap: round;
  transition: stroke-dasharray 0.5s ease-in-out;
}

.dashboard-gauge-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.dashboard-gauge-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--dashboard-text);
  margin: 0;
}

.dashboard-gauge-label {
  font-size: 0.875rem;
  color: var(--dashboard-text-secondary);
  margin: 0;
}

/* ==============================================
   Chart Animations
   ============================================== */
@keyframes chartFadeIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

@keyframes progressFill {
  from {
    width: 0;
  }
  to {
    width: var(--target-width);
  }
}

.dashboard-chart {
  animation: chartFadeIn 0.5s ease-out;
}

.dashboard-chart-legend {
  animation: chartSlideUp 0.5s ease-out 0.2s both;
}

.dashboard-progress-fill {
  animation: progressFill 1s ease-out;
}

/* ==============================================
   Responsive Charts
   ============================================== */
@media (max-width: 768px) {
  .dashboard-chart {
    height: 250px;
  }
  
  .dashboard-chart-large {
    height: 300px;
  }
  
  .dashboard-chart-controls {
    flex-direction: column;
    gap: var(--dashboard-spacing-md);
    align-items: stretch;
  }
  
  .dashboard-chart-controls-left,
  .dashboard-chart-controls-right {
    justify-content: center;
  }
  
  .dashboard-chart-legend {
    justify-content: center;
  }
  
  .dashboard-mini-chart {
    flex-direction: column;
    text-align: center;
  }
  
  .dashboard-mini-chart-visual {
    width: 100%;
    height: 60px;
  }
  
  .dashboard-gauge-chart {
    width: 150px;
    height: 150px;
  }
  
  .dashboard-gauge-value {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .dashboard-chart {
    height: 200px;
  }
  
  .dashboard-chart-large {
    height: 250px;
  }
  
  .dashboard-chart-period-selector {
    flex-direction: column;
  }
  
  .dashboard-chart-period-btn {
    border-right: none;
    border-bottom: 1px solid var(--dashboard-border);
  }
  
  .dashboard-chart-period-btn:last-child {
    border-bottom: none;
  }
  
  .dashboard-progress-item {
    flex-direction: column;
    align-items: stretch;
    gap: var(--dashboard-spacing-sm);
  }
  
  .dashboard-progress-label {
    min-width: auto;
  }
  
  .dashboard-progress-value {
    text-align: left;
  }
}

/* ==============================================
   Chart Themes
   ============================================== */
[data-chart-theme="minimal"] .dashboard-chart {
  background: transparent;
  border: none;
  box-shadow: none;
}

[data-chart-theme="dark"] .dashboard-chart {
  background-color: #1e293b;
  border-color: #334155;
}

[data-chart-theme="colorful"] .dashboard-chart {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

[data-chart-theme="colorful"] .dashboard-chart-legend-item {
  color: rgba(255, 255, 255, 0.8);
}

[data-chart-theme="colorful"] .dashboard-chart-legend-value {
  color: white;
}

/* ==============================================
   Chart Export Styles
   ============================================== */
.dashboard-chart-export-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: var(--dashboard-transition);
}

.dashboard-chart-export-overlay.visible {
  opacity: 1;
  visibility: visible;
}

.dashboard-chart-export-modal {
  background-color: var(--dashboard-surface);
  border-radius: var(--dashboard-radius-lg);
  padding: var(--dashboard-spacing-xl);
  max-width: 500px;
  width: 90%;
  box-shadow: var(--dashboard-shadow-lg);
  transform: scale(0.9);
  transition: var(--dashboard-transition);
}

.dashboard-chart-export-overlay.visible .dashboard-chart-export-modal {
  transform: scale(1);
}

.dashboard-chart-export-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--dashboard-text);
  margin: 0 0 var(--dashboard-spacing-lg) 0;
}

.dashboard-chart-export-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--dashboard-spacing-md);
  margin-bottom: var(--dashboard-spacing-lg);
}

.dashboard-chart-export-option {
  background: none;
  border: 2px solid var(--dashboard-border);
  border-radius: var(--dashboard-radius-md);
  padding: var(--dashboard-spacing-md);
  cursor: pointer;
  transition: var(--dashboard-transition);
  text-align: center;
}

.dashboard-chart-export-option:hover,
.dashboard-chart-export-option.active {
  border-color: var(--dashboard-primary);
  background-color: var(--dashboard-background);
}

.dashboard-chart-export-option-icon {
  font-size: 1.5rem;
  margin-bottom: var(--dashboard-spacing-sm);
}

.dashboard-chart-export-option-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--dashboard-text);
}

.dashboard-chart-export-actions {
  display: flex;
  gap: var(--dashboard-spacing-md);
  justify-content: flex-end;
}

.dashboard-chart-export-btn {
  background: none;
  border: 1px solid var(--dashboard-border);
  color: var(--dashboard-text-secondary);
  cursor: pointer;
  padding: var(--dashboard-spacing-sm) var(--dashboard-spacing-lg);
  border-radius: var(--dashboard-radius-md);
  font-size: 0.875rem;
  transition: var(--dashboard-transition);
}

.dashboard-chart-export-btn:hover {
  background-color: var(--dashboard-primary);
  color: white;
  border-color: var(--dashboard-primary);
}

.dashboard-chart-export-btn.primary {
  background-color: var(--dashboard-primary);
  color: white;
  border-color: var(--dashboard-primary);
}

.dashboard-chart-export-btn.primary:hover {
  background-color: var(--dashboard-secondary);
  border-color: var(--dashboard-secondary);
}