/* assets/css/workflow.css */
.workflow-builder {
  background: var(--gradient-dark);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  padding: 40px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.workflow-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.workflow-node {
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  max-width: 420px;
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
}

.workflow-node:hover {
  transform: scale(1.02);
  border-color: var(--border-color-glow);
  box-shadow: var(--shadow-glow);
}

.workflow-node.active {
  border-color: var(--color-whatsapp);
  background: rgba(37, 211, 102, 0.05);
}

.workflow-node-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  flex-shrink: 0;
  transition: background-color var(--transition-normal);
}

.workflow-node.active .workflow-node-icon {
  background: var(--color-whatsapp);
  color: #090D16;
}

.workflow-node-info {
  flex: 1;
}

.workflow-node-title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.workflow-node-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Connecting arrows/lines styles */
.workflow-connector {
  width: 2px;
  height: 24px;
  background: var(--border-color);
  position: relative;
}

.workflow-connector::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid var(--border-color);
}

.workflow-node.active + .workflow-connector,
.workflow-node.active + .workflow-connector + .workflow-node {
  border-color: var(--color-whatsapp);
}

.workflow-connector-pulse {
  position: absolute;
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  background: var(--color-whatsapp);
  transform: translateX(-50%);
  animation: linePulse 2s infinite linear;
}

@keyframes linePulse {
  0% { transform: translateX(-50%) translateY(-100%); }
  100% { transform: translateX(-50%) translateY(100%); }
}

@media (min-width: 992px) {
  .workflow-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    align-items: center;
    gap: 10px;
    width: 100%;
  }
  
  .workflow-container {
    max-width: 100%;
  }
  
  .workflow-node {
    flex-direction: column;
    text-align: center;
    padding: 20px 14px;
    max-width: 150px;
    height: 160px;
    justify-content: center;
  }
  
  .workflow-node-icon {
    margin-bottom: 10px;
  }
  
  .workflow-node-desc {
    display: none; /* simplifies layout on desktop grid */
  }
  
  .workflow-connector {
    width: 100%;
    height: 2px;
  }
  
  .workflow-connector::after {
    bottom: auto;
    top: 50%;
    right: 0;
    left: auto;
    transform: translateY(-50%);
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    border-left: 6px solid var(--border-color);
  }
  
  .workflow-connector-pulse {
    width: 100%;
    height: 2px;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    animation: linePulseHorizontal 2s infinite linear;
  }
}

@keyframes linePulseHorizontal {
  0% { transform: translateY(-50%) translateX(-100%); }
  100% { transform: translateY(-50%) translateX(100%); }
}