/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* CSS variable for consistent backgrounds in <code> elements, inline or inside <pre> */
:root {
  --code-bg: #f7fafc;
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
  color: #333;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
}

/* Layout */
.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.workflow-card {
  background: white;
  border-radius: 15px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  padding: 40px;
  width: 100%;
  max-width: 700px;
  position: relative;
  overflow: hidden;
}

.workflow-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #667eea, #764ba2);
}

/* Step header */
.step-header {
  margin-bottom: 30px;
}

.step-title {
  font-size: 28px;
  font-weight: 700;
  color: #2d3748;
  margin-bottom: 10px;
}

.step-counter {
  font-size: 14px;
  color: #667eea;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Step content */
.step-content {
  margin-bottom: 40px;
  font-size: 16px;
}

.step-content h2 {
  color: #2d3748;
  margin-bottom: 20px;
  font-size: 24px;
}

.step-content h3 {
  color: #4a5568;
  margin: 20px 0 15px 0;
  font-size: 18px;
}

.step-content ul,
.step-content ol {
  margin: 15px 0;
  padding-left: 25px;
}

.step-content li {
  margin: 8px 0;
}

.step-content a {
  color: #667eea;
  text-decoration: none;
  font-weight: 600;
}

.step-content a:hover {
  text-decoration: underline;
}

.step-content code {
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: "Monaco", "Consolas", monospace;
  color: #2d3748;
  border: 1px solid #e2e8f0;
}

.step-content pre code {
  background: transparent;
  padding-left: 0px;
  border: none;
  font-family: "Monaco", "Consolas", monospace;
}

.step-content pre {
  background: var(--code-bg);
}

/* Reminder boxes */
.reminder {
  background: #e6fffa;
  border-left: 4px solid #38b2ac;
  padding: 15px 20px;
  margin: 20px 0;
  border-radius: 0 8px 8px 0;
}

.reminder.urgent {
  background: #fed7d7;
  border-left-color: #f56565;
}

/* Actions and buttons */
.actions {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
}

.button-container {
  display: flex;
  flex-direction: column;
  gap: 15px;
  width: 100%;
  align-items: center;
}

.main-actions {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  justify-content: center;
}

.action-btn {
  border: none;
  padding: 15px 30px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
  color: white;
  min-width: 150px;
}

.action-btn-enabled {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.action-btn-disabled {
  background: linear-gradient(135deg, #718096 0%, #4a5568 100%);
  color: gray;
}

.action-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.action-btn:active {
  transform: translateY(0);
}

.back-btn {
  background: linear-gradient(135deg, #718096 0%, #4a5568 100%);
  box-shadow: 0 4px 15px rgba(113, 128, 150, 0.3);
  font-size: 14px;
  min-width: 120px;
  align-self: flex-start;
}

.back-btn:hover {
  background: linear-gradient(135deg, #4a5568 0%, #2d3748 100%);
  box-shadow: 0 8px 25px rgba(113, 128, 150, 0.4);
}

/* Progress bar */
.progress-bar {
  width: 100%;
  height: 6px;
  background: #e2e8f0;
  border-radius: 3px;
  margin-bottom: 30px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #667eea, #764ba2);
  border-radius: 3px;
  transition: width 0.5s ease;
}

/* Loading state */
.loading {
  display: none;
  text-align: center;
  padding: 20px;
}

.loading.show {
  display: block;
}

.spinner {
  border: 3px solid #e2e8f0;
  border-top: 3px solid #667eea;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
  margin: 0 auto 15px;
}

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

/* Responsive design */
@media (max-width: 600px) {
  .container {
    padding: 10px;
  }

  .workflow-card {
    padding: 25px;
  }

  .step-title {
    font-size: 24px;
  }

  .main-actions {
    flex-direction: column;
    width: 100%;
  }

  .action-btn {
    width: 100%;
  }

  .back-btn {
    align-self: center;
    width: 100%;
  }
}

/* blank lines between paragraphs for various element combinations.  Gotta
   love CSS's adjacent sibling combinator...*/
p + p,
p + div.reminder,
p + pre,
pre + p,
details + p,
p + blockquote,
blockquote + p {
  margin-top: 1em;
}