/* Handbook Reader Specific Styles */

/* Section headers & numbers */
.section {
  margin-bottom: 5rem;
  scroll-margin-top: calc(var(--header-height) + 2rem);
  opacity: 0;
  transform: translateY(20px);
  animation: scroll-reveal-in 0.6s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

@keyframes scroll-reveal-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-primary);
}

.section-num {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--cyan-accent);
  background: var(--cyan-glow);
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(34, 211, 238, 0.25);
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

h2 {
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 2.25rem 0 1rem;
  color: var(--text-primary);
  letter-spacing: -0.025em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

h3::before {
  content: "→";
  color: var(--cyan-accent);
  font-weight: 800;
  font-family: var(--font-mono);
}

p {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  font-size: 0.98rem;
}

strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* Formula Block styling */
.formula-block {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-left: 4px solid var(--amber-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  color: var(--amber-accent);
  overflow-x: auto;
}

.formula-label {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
  display: block;
}

/* Code Highlights and Blocks */
code {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  color: var(--purple-accent);
}

.code-container {
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  margin: 1.5rem 0;
  overflow: hidden;
}

.code-header {
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  user-select: none;
}

.code-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.code-title::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background-color: var(--cyan-accent);
}

.code-lang-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--cyan-accent);
  background: var(--cyan-glow);
  padding: 0.1rem 0.45rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

/* Prism.js override adjustments */
.code-container pre {
  margin: 0 !important;
  padding: 1.25rem 1.5rem !important;
  background: transparent !important;
  font-family: var(--font-mono) !important;
  font-size: 0.88rem !important;
}

/* Interactive completion indicators */
.section-completion-wrapper {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 1rem;
}

.section-complete-checkbox {
  appearance: none;
  width: 16px;
  height: 16px;
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-sm);
  outline: none;
  cursor: pointer;
  position: relative;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.section-complete-checkbox:checked {
  background-color: var(--green-accent);
  border-color: var(--green-accent);
}

.section-complete-checkbox:checked::after {
  content: "✓";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #030712;
  font-size: 10px;
  font-weight: 900;
}

/* Workflow Flowchart Grid */
.flow-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.5rem;
  margin: 2rem 0 1.5rem;
}

.flow-node {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-sm);
  padding: 1rem;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.flow-node:hover {
  border-color: var(--cyan-accent);
  background-color: var(--bg-tertiary);
}

.flow-node.active {
  background-color: var(--cyan-glow);
  border-color: var(--cyan-accent);
}

.flow-node-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--cyan-accent);
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.flow-node-title {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-primary);
}

.flow-node-desc {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

.flow-details-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.flow-details-pane {
  display: none;
}

.flow-details-pane.active {
  display: block;
  animation: fade-in-flow 0.4s ease forwards;
}

@keyframes fade-in-flow {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

.flow-details-pane h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

/* Strategy Selector tab pane */
.strat-tabs {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-primary);
}

.strat-tab {
  flex-shrink: 0;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-primary);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.strat-tab:hover {
  border-color: var(--border-secondary);
  color: var(--text-primary);
}

.strat-tab.active {
  background: var(--cyan-glow);
  color: var(--cyan-accent);
  border-color: var(--cyan-accent);
}

.strat-panels {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-sm);
  padding: 1.75rem;
  min-height: 200px;
}

.strat-panel {
  display: none;
}

.strat-panel.active {
  display: block;
  animation: fade-in-flow 0.4s ease forwards;
}

.strat-panel h4 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

/* Mini visual elements - Risk reference bars */
.risk-meter {
  margin: 1.25rem 0;
}

.risk-meter-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  margin-bottom: 0.35rem;
}

.risk-meter-label {
  font-weight: 600;
  color: var(--text-secondary);
}

.risk-meter-info {
  color: var(--text-muted);
}

.risk-meter-track {
  height: 6px;
  background-color: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.risk-meter-fill {
  height: 100%;
  border-radius: var(--radius-full);
}

/* Collapsible Code Blocks */
.code-container.collapsible {
  position: relative;
}

.code-container.collapsible pre {
  max-height: 240px;
  overflow-y: hidden;
  transition: max-height var(--transition-normal);
}

.code-container.collapsible.expanded pre {
  max-height: 3000px;
}

/* Fade overlay for collapsed state */
.code-container.collapsible::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(to top, var(--bg-secondary), transparent);
  pointer-events: none;
  transition: opacity var(--transition-fast);
  opacity: 1;
  z-index: 1;
}

.code-container.collapsible.expanded::after {
  opacity: 0;
}

/* Toggle action trigger in header */
.code-toggle-btn {
  background: transparent;
  border: 1px solid var(--border-secondary);
  color: var(--cyan-accent);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-right: 0.5rem;
  outline: none;
}

.code-toggle-btn:hover {
  background: var(--cyan-glow);
  border-color: var(--cyan-accent);
}

/* Bottom expand button for collapsed state */
.code-expand-overlay-btn {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-secondary);
  color: var(--text-primary);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  z-index: 2;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  box-shadow: none;
  outline: none;
}

.code-expand-overlay-btn:hover {
  background: var(--cyan-glow);
  border-color: var(--cyan-accent);
  color: var(--cyan-accent);
}

.code-container.collapsible.expanded .code-expand-overlay-btn {
  display: none;
}