/* Flowing River Visualization Styles */

/* Title */
.river-title {
  text-align: center;
  font-family: 'Montserrat', sans-serif;
  font-size: 1.4rem;
  font-weight: 600;
  color: #333;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.title-icon {
  font-size: 1.5rem;
  animation: wave 2s ease-in-out infinite;
}

@keyframes wave {

  0%,
  100% {
    transform: translateX(0);
  }

  50% {
    transform: translateX(5px);
  }
}

/* Canvas container */
.river-container {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 auto 1rem;
  animation: riverReveal 1s ease-out;
}

@keyframes riverReveal {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

#river-canvas {
  max-width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.1),
    0 2px 8px rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

/* Subtitle */
.river-subtitle {
  text-align: center;
  font-family: 'Open Sans', sans-serif;
  font-size: 0.9rem;
  color: #666;
  font-style: italic;
  margin-bottom: 1.5rem;
  padding: 0 1rem;
  line-height: 1.5;
}

/* Legend */
.river-legend {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  max-width: 500px;
  margin: 0 auto;
  padding: 0 0.5rem;
}

.river-legend-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: linear-gradient(135deg, #ffffff 0%, #f9f9f9 100%);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
}

.river-legend-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background-color: var(--stream-color);
}

.river-legend-item:hover {
  transform: translateX(5px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.stream-indicator {
  width: 40px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}

.stream-flow {
  width: 100%;
  border-radius: 4px;
  animation: streamFlow 1.5s ease-in-out infinite;
}

@keyframes streamFlow {
  0% {
    transform: translateX(-20px);
    opacity: 0;
  }

  50% {
    opacity: 1;
  }

  100% {
    transform: translateX(20px);
    opacity: 0;
  }
}

.river-legend-item:nth-child(1) .stream-flow {
  animation-delay: 0s;
}

.river-legend-item:nth-child(2) .stream-flow {
  animation-delay: 0.3s;
}

.river-legend-item:nth-child(3) .stream-flow {
  animation-delay: 0.6s;
}

.river-legend-item:nth-child(4) .stream-flow {
  animation-delay: 0.9s;
}

.legend-icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}

.legend-text {
  font-family: 'Open Sans', sans-serif;
  font-size: 0.8rem;
  color: #555;
  flex: 1;
  line-height: 1.3;
}

.legend-value {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
}

/* Legend animation */
@keyframes legendSlide {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.river-legend-item {
  animation: legendSlide 0.5s ease-out both;
}

.river-legend-item:nth-child(1) {
  animation-delay: 0.5s;
}

.river-legend-item:nth-child(2) {
  animation-delay: 0.6s;
}

.river-legend-item:nth-child(3) {
  animation-delay: 0.7s;
}

.river-legend-item:nth-child(4) {
  animation-delay: 0.8s;
}

/* Responsive styles */
@media (max-width: 768px) {
  .river-title {
    font-size: 1.2rem;
  }

  #river-canvas {
    border-radius: 12px;
  }

  .river-subtitle {
    font-size: 0.85rem;
  }

  .river-legend {
    gap: 0.5rem;
  }

  .river-legend-item {
    padding: 0.6rem 0.875rem;
    gap: 0.5rem;
  }

  .stream-indicator {
    width: 30px;
  }

  .legend-text {
    font-size: 0.75rem;
  }

  .legend-value {
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .river-title {
    font-size: 1.1rem;
  }

  .title-icon {
    font-size: 1.25rem;
  }

  .river-subtitle {
    font-size: 0.8rem;
  }

  .river-legend-item {
    padding: 0.5rem 0.75rem;
    gap: 0.4rem;
  }

  .stream-indicator {
    width: 25px;
    height: 20px;
  }

  .legend-icon {
    font-size: 1rem;
  }

  .legend-text {
    font-size: 0.7rem;
  }

  .legend-value {
    font-size: 0.85rem;
  }
}