/*
 * roadmap-charts.css
 * Elegante Styles für D3-Visualisierungen auf der Roadmap-Seite
 */

/* Container */
.roadmap-stats {
  margin: 2rem 0;
  padding: 1.5rem;
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  border-radius: 12px;
  border: 1px solid #e2e8f0;
}

.roadmap-stats__header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.roadmap-stats__title {
  font-size: 1.1rem;
  font-weight: 600;
  color: #1e293b;
  margin: 0;
}

/* Übersichtskarten */
.stats-overview {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  flex: 1;
  min-width: 140px;
  padding: 1rem 1.25rem;
  background: #fff;
  border-radius: 10px;
  border: 1px solid #e2e8f0;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  transition: transform 0.2s, box-shadow 0.2s;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.stat-card__value {
  font-size: 1.75rem;
  font-weight: 700;
  color: #1e3a5f;
  line-height: 1.2;
}

.stat-card__label {
  font-size: 0.8rem;
  color: #64748b;
  margin-top: 0.25rem;
}

.stat-card--highlight {
  background: linear-gradient(135deg, #1e3a5f 0%, #2d5a8a 100%);
}

.stat-card--highlight .stat-card__value,
.stat-card--highlight .stat-card__label {
  color: #fff;
}

/* Toggle Buttons */
.chart-controls {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.chart-toggle {
  display: flex;
  background: #fff;
  border-radius: 8px;
  padding: 4px;
  border: 1px solid #e2e8f0;
}

.chart-toggle__btn {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: #64748b;
  background: transparent;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
}

.chart-toggle__btn:hover {
  color: #1e3a5f;
}

.chart-toggle__btn.active {
  background: #1e3a5f;
  color: #fff;
}

.view-toggle {
  display: flex;
  background: #fff;
  border-radius: 8px;
  padding: 4px;
  border: 1px solid #e2e8f0;
}

.view-toggle__btn {
  padding: 0.5rem 0.75rem;
  font-size: 0.85rem;
  color: #64748b;
  background: transparent;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.view-toggle__btn:hover {
  color: #1e3a5f;
}

.view-toggle__btn.active {
  background: #1e3a5f;
  color: #fff;
}

/* Chart Container */
.chart-container {
  background: #fff;
  border-radius: 10px;
  padding: 1.5rem;
  border: 1px solid #e2e8f0;
  min-height: 320px;
}

.chart-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: flex-start;
}

/* Donut Chart */
.donut-container {
  flex: 0 0 260px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.donut-center-text {
  font-size: 1.5rem;
  font-weight: 700;
  fill: #1e293b;
}

.donut-center-label {
  font-size: 0.7rem;
  fill: #64748b;
}

.donut-slice {
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s;
}

.donut-slice:hover {
  opacity: 0.85;
}

/* Lollipop Chart */
.lollipop-container {
  flex: 1;
  min-width: 280px;
}

.lollipop-row {
  display: flex;
  align-items: center;
  margin-bottom: 0.6rem;
  padding: 0.25rem 0;
  border-radius: 4px;
  transition: background 0.2s;
}

.lollipop-row:hover {
  background: #f8fafc;
}

.lollipop-label {
  width: 150px;
  font-size: 0.82rem;
  color: #334155;
  text-align: right;
  padding-right: 1rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.lollipop-bar-container {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.lollipop-line {
  height: 4px;
  border-radius: 2px;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.lollipop-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  transition: transform 0.2s;
}

.lollipop-row:hover .lollipop-dot {
  transform: scale(1.2);
}

.lollipop-value {
  font-size: 0.85rem;
  font-weight: 600;
  color: #1e3a5f;
  min-width: 45px;
}

/* Legend */
.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid #e2e8f0;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  color: #475569;
  cursor: pointer;
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
  transition: all 0.2s;
  border: 1px solid transparent;
}

.legend-item:hover {
  background: #f1f5f9;
  border-color: #e2e8f0;
}

.legend-item.dimmed {
  opacity: 0.35;
}

.legend-color {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  flex-shrink: 0;
}

/* Responsive */
@media (max-width: 768px) {
  .roadmap-stats__header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .chart-wrapper {
    flex-direction: column;
  }
  
  .donut-container {
    flex: 0 0 auto;
    width: 100%;
  }
  
  .lollipop-label {
    width: 110px;
    font-size: 0.75rem;
  }
  
  .stat-card {
    min-width: 100px;
  }
  
  .stat-card__value {
    font-size: 1.4rem;
  }
}

/* Animationen */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

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

.chart-container {
  animation: fadeIn 0.4s ease-out;
}

/* Tooltip */
.chart-tooltip {
  position: absolute;
  background: #1e293b;
  color: #fff;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  font-size: 0.8rem;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
  z-index: 100;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.chart-tooltip::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  border-width: 6px 6px 0;
  border-style: solid;
  border-color: #1e293b transparent transparent;
}

.chart-tooltip.visible {
  opacity: 1;
}