/* Trends Dashboard Styles */
.dashboard-content {
  padding: var(--space-6);
  max-width: 1400px;
  margin: 0 auto;
}

/* Toggle Buttons */
.toggle-container {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  justify-content: center;
  flex-wrap: wrap;
}

.toggle-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 250, 252, 0.8) 100%);
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.toggle-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transition: left 0.5s ease;
}

.toggle-btn:hover::before {
  left: 100%;
}

.toggle-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  border-color: rgba(99, 102, 241, 0.3);
}

.toggle-btn.active {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: white;
  border-color: #6366f1;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
}

.toggle-btn.active:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(99, 102, 241, 0.4);
}

.toggle-text {
  font-weight: var(--font-semibold);
}

.trend-indicator {
  font-size: var(--text-lg);
  opacity: 0.8;
}

.toggle-btn.active .trend-indicator {
  opacity: 1;
}

/* Chart Container */
.chart-container {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 250, 252, 0.9) 100%);
  backdrop-filter: blur(20px);
  border: 2px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 1;
}

.chart-container.transitioning {
  opacity: 0;
  transform: translateY(10px);
}

/* Chart Header */
.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.chart-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin: 0;
}

.chart-legend {
  display: flex;
  gap: var(--space-6);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.legend-color {
  width: 16px;
  height: 16px;
  border-radius: var(--radius);
  flex-shrink: 0;
}

.legend-color.red {
  background: linear-gradient(135deg, #ef4444, #dc2626);
}

.legend-color.green {
  background: linear-gradient(135deg, #10b981, #059669);
}

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

/* Chart Wrapper */
.chart-wrapper {
  position: relative;
  width: 100%;
  height: 400px;
  margin-bottom: var(--space-6);
}

#trendChart {
  width: 100%;
  height: 100%;
  overflow: visible;
}

/* Chart Elements */
.grid-line {
  stroke: rgba(0, 0, 0, 0.1);
  stroke-width: 1;
  stroke-dasharray: 2, 2;
}

.axis-line {
  stroke: rgba(0, 0, 0, 0.2);
  stroke-width: 2;
}

.axis-label {
  font-family: "Inter", sans-serif;
  font-size: 12px;
  font-weight: 500;
  fill: var(--text-secondary);
}

.chart-line {
  fill: none;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: all 0.3s ease;
}

.chart-line.red {
  stroke: #ef4444;
}

.chart-line.green {
  stroke: #10b981;
}

.chart-line:hover {
  stroke-width: 4;
  filter: brightness(1.1);
}

.data-point {
  fill: white;
  stroke-width: 3;
  cursor: pointer;
  transition: all 0.2s ease;
  opacity: 0;
}

.data-point.red {
  stroke: #ef4444;
}

.data-point.green {
  stroke: #10b981;
}

.data-point:hover {
  r: 6;
  stroke-width: 4;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.2));
}

.data-point.highlighted {
  r: 6;
  stroke-width: 4;
  opacity: 1;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
}

/* Chart Summary */
.chart-summary {
  font-size: var(--text-sm);
  color: var(--text-muted);
  font-style: italic;
  text-align: center;
  margin: 0;
  padding: var(--space-4);
  background: rgba(0, 0, 0, 0.02);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-primary);
}

/* Tooltip */
.chart-tooltip {
  position: absolute;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.8));
  backdrop-filter: blur(10px);
  color: white;
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  pointer-events: none;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.2s ease;
  z-index: 1000;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

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

.tooltip-wave {
  font-weight: var(--font-bold);
  margin-bottom: var(--space-1);
  color: #a78bfa;
}

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

.tooltip-value {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.tooltip-color {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.tooltip-color.red {
  background: #ef4444;
}

.tooltip-color.green {
  background: #10b981;
}

/* Animations */
@keyframes drawLine {
  from {
    stroke-dashoffset: 1000;
  }
  to {
    stroke-dashoffset: 0;
  }
}

@keyframes fadeInPoint {
  from {
    opacity: 0;
    transform: scale(0);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.chart-line.animating {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: drawLine 2s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.data-point.animating {
  animation: fadeInPoint 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .chart-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .chart-legend {
    align-self: center;
  }
}

@media (max-width: 768px) {
  .dashboard-content {
    padding: var(--space-4);
  }

  .toggle-container {
    gap: var(--space-2);
  }

  .toggle-btn {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-xs);
  }

  .toggle-text {
    display: none;
  }

  .toggle-btn[data-chart="financial"]::after {
    content: "Fin";
  }
  .toggle-btn[data-chart="demand"]::after {
    content: "Dem";
  }
  .toggle-btn[data-chart="continuity"]::after {
    content: "Con";
  }
  .toggle-btn[data-chart="workforce"]::after {
    content: "Work";
  }
  .toggle-btn[data-chart="volunteers"]::after {
    content: "Vol";
  }

  .chart-container {
    padding: var(--space-4);
  }

  .chart-wrapper {
    height: 300px;
  }

  .chart-title {
    font-size: var(--text-lg);
  }

  .chart-legend {
    gap: var(--space-4);
  }
}

@media (max-width: 640px) {
  .toggle-container {
    justify-content: stretch;
  }

  .toggle-btn {
    flex: 1;
    min-width: 0;
    justify-content: center;
  }

  .chart-wrapper {
    height: 250px;
  }
}

/* Keyboard Navigation */
.toggle-btn:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  .chart-line.red {
    stroke: #dc2626;
  }

  .chart-line.green {
    stroke: #059669;
  }

  .data-point.red {
    stroke: #dc2626;
  }

  .data-point.green {
    stroke: #059669;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .chart-line.animating {
    animation: none;
    stroke-dasharray: none;
    stroke-dashoffset: 0;
  }

  .data-point.animating {
    animation: none;
    opacity: 1;
    transform: scale(1);
  }

  .toggle-btn,
  .chart-container,
  .chart-tooltip {
    transition: none;
  }
}