/* Component styles rely on semantic tokens defined in ascii-core.css (e.g., --ascii-success/warning/error). */

.hero {
  display: grid;
  gap: var(--space-4ch);
  align-items: stretch;
  border: 2px solid var(--border-primary);
  padding: var(--space-4ch);
  background: linear-gradient(135deg, rgba(0, 255, 255, 0.08), rgba(51, 255, 51, 0.05));
  box-shadow: 0 0 40px rgba(0, 255, 255, 0.12);
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
      180deg,
      rgba(0, 0, 0, 0),
      rgba(0, 0, 0, 0) 2px,
      rgba(0, 255, 0, 0.02) 3px
    ),
    linear-gradient(135deg, transparent 0%, rgba(0, 255, 255, 0.05) 100%);
  mix-blend-mode: screen;
  pointer-events: none;
}

.hero__content,
.hero__art {
  position: relative;
  z-index: 1;
}

.hero__art {
  display: flex;
  flex-direction: column;
  gap: var(--space-2ch);
}

.hero__lead {
  max-width: 38ch;
}

.hero__art pre,
.hero__art noscript pre {
  display: block;
  padding: var(--space-2ch);
  border: 1px solid var(--border-secondary);
  background-color: rgba(0, 0, 0, 0.65);
  color: var(--ascii-text-bright);
  max-height: 32rem;
  overflow: auto;
  width: min(100%, 64ch);
  max-width: 100%;
  text-align: center;
}

.hero__art pre::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

.hero__art pre::-webkit-scrollbar-thumb {
  background: var(--border-primary);
}

.hero__art .hero__ascii--compact {
  display: none;
}

@media (max-width: 47.99rem) {
  .hero__art .hero__ascii--dynamic {
    display: none;
  }

  .hero__art .hero__ascii--compact {
    display: block;
  }
}

.hero__art figcaption {
  font-size: var(--font-size-xs);
  color: var(--ascii-text-dim);
  text-align: center;
  letter-spacing: 0.08ch;
}

.ascii-box {
  border: 1px solid var(--border-secondary);
  background-color: var(--ascii-bg-card);
  padding: var(--space-2ch);
  box-shadow: 0 0 12px rgba(0, 255, 255, 0.05);
}

.ascii-card {
  border: 1px solid var(--border-primary);
  padding: var(--space-4ch) var(--space-2ch);
  background-color: var(--ascii-bg-alt);
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.06);
  transition: box-shadow var(--transition-medium), transform var(--transition-medium);
}

.ascii-card:hover,
.ascii-card:focus-within {
  box-shadow: 0 0 24px rgba(0, 255, 255, 0.12);
  transform: translateY(-2px);
}

.ascii-border {
  position: relative;
  padding: var(--space-4ch);
  background-color: var(--ascii-bg-card);
  color: var(--ascii-text);
  box-shadow: 0 0 30px rgba(0, 255, 255, 0.05);
}

.ascii-border::after {
  content: "";
  position: absolute;
  inset: 4px;
  border: 1px solid rgba(0, 255, 255, 0.08);
  pointer-events: none;
}

.ascii-border--light {
  border: 1px solid var(--border-secondary);
}

.ascii-border--heavy {
  border: 2px solid var(--border-primary);
}

.ascii-border--double {
  border: 3px double var(--ascii-cyan);
}

.ascii-border--dashed {
  border: 2px dashed var(--border-dim);
}

.section-divider {
  margin-block: var(--space-6ch);
  text-align: center;
  color: var(--ascii-text-dim);
  letter-spacing: 0.2ch;
}

.section-divider::before {
  content: "────────────────────────────────────────";
  display: block;
}

/* ========================================
   BUTTON STATES - Complete Documentation
   ======================================== */

/* Base Button State
   - Light border for default appearance
   - Uppercase text for terminal aesthetic
   - Smooth transitions for interaction feedback */
.ascii-button,
.hero__cta-button,
.showcase__filters button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1ch);
  padding: var(--space-1ch) var(--space-2ch);
  border: 1px solid var(--border-primary);
  background: transparent;
  color: var(--ascii-text-white);
  text-transform: uppercase;
  letter-spacing: 0.1ch;
  cursor: pointer;
  transition: transform var(--transition-fast),
              box-shadow var(--transition-fast),
              border var(--transition-fast),
              background var(--transition-fast);
}

/* Hover State
   - Subtle lift effect (translateY)
   - Cyan glow for cyberpunk aesthetic
   - Applied to mouse hover only */
.ascii-button:hover,
.hero__cta-button:hover,
.showcase__filters button:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 12px var(--glow-cyan);
}

/* Focus State (Keyboard Navigation)
   - High visibility outline (WCAG requirement)
   - 2px solid outline with offset for breathing room
   - Applied via :focus-visible for keyboard users only */
.ascii-button:focus-visible,
.hero__cta-button:focus-visible,
.showcase__filters button:focus-visible {
  outline: 2px solid var(--ascii-cyan);
  outline-offset: 4px;
  box-shadow: 0 0 15px var(--glow-cyan);
  transform: translateY(-1px);
}

/* Active State (Pressed)
   - Double border for emphasis
   - Slight scale down for press feedback
   - Brighter glow to indicate interaction */
.ascii-button:active,
.hero__cta-button:active,
.showcase__filters button:active {
  border: 2px double var(--ascii-cyan-bright);
  transform: translateY(0) scale(0.98);
  box-shadow: 0 0 20px var(--glow-cyan);
}

/* Disabled State
   - Dashed border indicates inactive
   - Reduced opacity (50%) for visual hierarchy
   - No pointer events or cursor change
   - Supports both :disabled and aria-disabled */
.ascii-button:disabled,
.ascii-button[aria-disabled="true"],
.hero__cta-button:disabled,
.hero__cta-button[aria-disabled="true"],
.showcase__filters button:disabled,
.showcase__filters button[aria-disabled="true"] {
  border-style: dashed;
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
  box-shadow: none;
  transform: none;
}

/* Active filter button state */
.showcase__filters button.active {
  background: var(--ascii-cyan);
  color: var(--ascii-bg);
  border-color: var(--ascii-cyan);
  box-shadow: 0 0 16px rgba(0, 255, 255, 0.6);
  font-weight: bold;
}

.ascii-button--success {
  border-color: var(--ascii-success);
  background: linear-gradient(135deg, rgba(51, 255, 102, 0.12), rgba(51, 255, 102, 0.04));
  box-shadow: 0 0 12px rgba(51, 255, 102, 0.28);
}

.ascii-button--success:hover,
.ascii-button--success:focus-visible {
  box-shadow: 0 0 18px rgba(51, 255, 102, 0.6);
  color: var(--ascii-text-white);
}

.ascii-button--warning {
  border-color: var(--ascii-warning);
  background: linear-gradient(135deg, rgba(255, 170, 51, 0.16), rgba(255, 170, 51, 0.05));
  box-shadow: 0 0 12px rgba(255, 170, 51, 0.32);
}

.ascii-button--warning:hover,
.ascii-button--warning:focus-visible {
  box-shadow: 0 0 18px rgba(255, 170, 51, 0.6);
  color: var(--ascii-text-white);
}

.ascii-button--error {
  border-color: var(--ascii-error);
  background: linear-gradient(135deg, rgba(255, 51, 102, 0.14), rgba(255, 51, 102, 0.05));
  box-shadow: 0 0 12px rgba(255, 51, 102, 0.32);
}

.ascii-button--error:hover,
.ascii-button--error:focus-visible {
  box-shadow: 0 0 18px rgba(255, 51, 102, 0.6);
  color: var(--ascii-text-white);
}

/* ========================================
   COPY BUTTON
   ======================================== */
.copy-button {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  padding: 0.25rem 0.75rem;
  background: var(--ascii-bg-alt);
  border: 1px solid var(--ascii-cyan);
  color: var(--ascii-cyan);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 10;
  border-radius: 0;
}

.copy-button:hover {
  background: var(--ascii-cyan);
  color: var(--ascii-bg);
  box-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.copy-button:focus-visible {
  outline: 2px solid var(--ascii-cyan);
  outline-offset: 2px;
}

.copy-button.copied {
  background: var(--ascii-success);
  border-color: var(--ascii-success);
  color: var(--ascii-bg);
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2ch);
  margin-block: var(--space-4ch);
}

.hero__terminal pre {
  margin-top: var(--space-4ch);
  color: var(--ascii-text-bright);
}

.value-prop,
.showcase__card,
.docs-links__grid article,
.installation__commands,
.installation__checklist,
.validator-placeholder {
  border: 1px solid var(--border-secondary);
  padding: var(--space-2ch);
  background-color: var(--ascii-bg-card);
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.08);
}

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

.showcase__card.fade-in {
  animation: fadeIn 0.3s ease-out forwards;
}

/* ========================================
   CARD STATUS VARIANTS
   ======================================== */

/* Success Card
   - Green border and glow for positive feedback
   - Use for confirmation messages, completed states
   - ARIA: Add role="status" and aria-live="polite" for dynamic updates */
.ascii-card--success {
  border-color: var(--ascii-success);
  background: linear-gradient(180deg, rgba(51, 255, 102, 0.08), var(--ascii-bg-card));
  box-shadow: 0 0 24px rgba(51, 255, 102, 0.25);
}

/* Warning Card
   - Amber border and glow for cautionary messages
   - Use for important notices, pending actions
   - ARIA: Add role="alert" for important warnings requiring attention */
.ascii-card--warning {
  border-color: var(--ascii-warning);
  background: linear-gradient(180deg, rgba(255, 170, 51, 0.1), var(--ascii-bg-card));
  box-shadow: 0 0 24px rgba(255, 170, 51, 0.28);
}

/* Error Card
   - Red border and glow for error states
   - Use for validation errors, failed operations
   - ARIA: Add role="alert" and aria-live="assertive" for critical errors */
.ascii-card--error {
  border-color: var(--ascii-error);
  background: linear-gradient(180deg, rgba(255, 51, 102, 0.12), var(--ascii-bg-card));
  box-shadow: 0 0 24px rgba(255, 51, 102, 0.3);
}

/* Interactive Card States
   - For clickable cards or cards with focusable elements
   - Provides hover feedback and keyboard navigation support */
.ascii-card--interactive {
  cursor: pointer;
  transition: box-shadow var(--transition-medium),
              transform var(--transition-medium),
              border-color var(--transition-fast);
}

.ascii-card--interactive:hover {
  box-shadow: 0 0 28px rgba(0, 255, 255, 0.18);
  transform: translateY(-3px);
  border-color: var(--ascii-cyan);
}

.ascii-card--interactive:focus-visible {
  outline: 2px solid var(--ascii-cyan);
  outline-offset: 4px;
  box-shadow: 0 0 30px rgba(0, 255, 255, 0.25);
}

.ascii-card--interactive:active {
  transform: translateY(-1px);
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.15);
}

/* ========================================
   ARIA USAGE EXAMPLES
   ========================================

   Success Message:
   <div class="ascii-card ascii-card--success" role="status" aria-live="polite">
     <p>✓ Component saved successfully</p>
   </div>

   Warning Message:
   <div class="ascii-card ascii-card--warning" role="alert">
     <p>⚠ This action cannot be undone</p>
   </div>

   Error Message:
   <div class="ascii-card ascii-card--error" role="alert" aria-live="assertive">
     <p>✗ Validation failed: Missing required field</p>
   </div>

   Interactive Card:
   <article class="ascii-card ascii-card--interactive" tabindex="0" role="button"
            aria-label="View component details">
     <h3>Component Name</h3>
     <p>Description</p>
   </article>
   ======================================== */

.validator-placeholder {
  min-height: 6rem;
  display: flex;
  align-items: center;
  padding: var(--space-2ch);
  letter-spacing: 0.05ch;
}

.terminal-window {
  position: relative;
  padding-top: var(--space-4ch);
  border: 2px solid var(--border-primary);
  background-image: linear-gradient(
    rgba(0, 255, 0, 0.05) 1px,
    transparent 1px
  );
  background-size: 100% 2px;
}

.terminal-window::before {
  content: "┌─ fluxwing terminal ─┐";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  padding: 0 var(--space-2ch);
  background-color: var(--ascii-bg);
  color: var(--ascii-cyan);
}

.terminal-window__body {
  padding: var(--space-4ch);
}

/* ========================================
   STICKY NAVIGATION
   ======================================== */

/* Sticky Navigation with Scroll Detection
   - Remains at top when scrolling
   - Hides when scrolling down, shows when scrolling up
   - Smooth transitions for better UX */
.primary-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  border-top: 2px solid var(--border-primary);
  border-bottom: 2px solid var(--border-primary);
  margin-top: var(--space-2ch);
  background-color: var(--ascii-bg);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.3s ease;
}

/* Navigation when scrolling down - hide */
.primary-nav.scroll-down {
  transform: translateY(-100%);
}

/* Navigation when scrolling up - show */
.primary-nav.scroll-up {
  transform: translateY(0);
  box-shadow: 0 4px 12px rgba(0, 255, 255, 0.15);
}

/* Navigation at top of page */
.primary-nav.at-top {
  box-shadow: none;
}

/* ========================================
   NAVIGATION LINK STATES
   ======================================== */

/* Base Navigation Link State
   - Transparent border reserves space for hover/focus states
   - Prevents layout shift on interaction */
.primary-nav__list a,
.mobile-nav__list a {
  display: inline-flex;
  padding: var(--space-1ch) var(--space-2ch);
  border: 1px solid transparent;
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast),
              outline var(--transition-fast);
}

/* Hover State - Mouse interaction */
.primary-nav__list a:hover,
.mobile-nav__list a:hover {
  border-color: var(--border-primary);
  box-shadow: 0 0 8px var(--glow-cyan);
}

/* Focus State - Keyboard navigation
   - High contrast outline for visibility
   - Meets WCAG 2.1 AA requirements (3:1 contrast ratio) */
.primary-nav__list a:focus-visible,
.mobile-nav__list a:focus-visible {
  outline: 2px solid var(--ascii-cyan);
  outline-offset: 2px;
  border-color: var(--border-primary);
  box-shadow: 0 0 12px var(--glow-cyan);
}

/* Active Link State - Current page indicator
   - Applied via JavaScript based on current URL
   - Provides visual feedback for current location */
.primary-nav__list a.active,
.mobile-nav__list a.active {
  color: var(--ascii-cyan-bright);
  border-color: var(--ascii-cyan);
  background: rgba(0, 255, 255, 0.08);
  box-shadow: 0 0 10px var(--glow-cyan);
}

.mobile-nav__list {
  list-style: none;
  padding: var(--space-2ch) 0;
  margin: 0;
  display: grid;
  gap: var(--space-2ch);
}

.installation__commands code {
  display: block;
  padding: var(--space-2ch);
  border: 1px solid var(--border-primary);
  background-color: rgba(0, 0, 0, 0.6);
  letter-spacing: 0.08ch;
}

/* Site header layout - centered at all breakpoints */
.site-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2ch);
  text-align: center;
}

.site-header__logo {
  display: flex;
  justify-content: center;
}

.site-header__logo pre {
  margin: 0;
  color: var(--ascii-cyan-bright);
  text-shadow: 0 0 8px var(--glow-cyan);
  font-size: clamp(0.4rem, 1.5vw, 0.875rem);
  line-height: 1.2;
  letter-spacing: -0.05ch;
}

.site-header__logo pre.logo-text {
  border: 2px solid var(--border-primary);
  padding: var(--space-2ch) var(--space-4ch);
  background: linear-gradient(135deg, rgba(0, 255, 255, 0.05), rgba(51, 255, 51, 0.03));
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.15);
  display: inline-block;
}

.site-header__identity {
  max-width: 60ch;
}

.site-header__identity p {
  margin: 0;
  color: var(--ascii-text-bright);
}

/* T015: Footer component styles */
.site-footer {
  margin-top: var(--space-8ch);
  padding-block: var(--space-6ch);
  border-top: 1px solid var(--border-dim);
  background-color: var(--ascii-bg-alt);
}

.site-footer__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4ch);
  text-align: center;
}

.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4ch);
  justify-content: center;
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer__nav a {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.1ch;
}

.site-footer__meta {
  font-size: var(--font-size-xs);
  color: var(--ascii-text-dim);
}

.site-footer__logo {
  opacity: 0.7;
  max-width: 120px;
  margin-inline: auto;
}

/* T046: Hamburger menu icon styling */
.primary-nav__toggle {
  position: relative;
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--border-secondary);
  cursor: pointer;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.primary-nav__toggle::before,
.primary-nav__toggle::after,
.primary-nav__toggle span {
  content: "";
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--ascii-cyan);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.primary-nav__toggle span {
  content: none;
}

.primary-nav__toggle[aria-expanded="true"]::before {
  transform: translateY(6px) rotate(45deg);
}

.primary-nav__toggle[aria-expanded="true"]::after {
  transform: translateY(-6px) rotate(-45deg);
}

/* T048: Mobile menu overlay backdrop */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.95);
  z-index: 1000;
  overflow-y: auto;
  padding: var(--space-6ch) var(--space-4ch);
}

.mobile-nav::before {
  content: "";
  position: fixed;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(0, 255, 255, 0.1) 0%,
    transparent 50%,
    rgba(51, 255, 51, 0.05) 100%
  );
  pointer-events: none;
}

/* T058: Touch target minimum 44x44px */
.mobile-nav a,
.primary-nav__list a,
.ascii-button,
button {
  min-height: 44px;
  min-width: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* T120-T122: Modal dialog with ASCII border */
dialog.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  max-width: min(90vw, 60rem);
  max-height: 80vh;
  padding: 0;
  border: 2px solid var(--border-primary);
  background-color: var(--ascii-bg);
  box-shadow: 0 0 40px rgba(0, 255, 255, 0.3);
  overflow: auto;
  z-index: 2000;
}

dialog.modal::backdrop {
  background-color: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(4px);
}

.modal__header {
  padding: var(--space-4ch);
  border-bottom: 1px solid var(--border-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal__content {
  padding: var(--space-4ch);
}

.modal__close {
  background: transparent;
  border: 1px solid var(--border-secondary);
  color: var(--ascii-text);
  padding: var(--space-1ch) var(--space-2ch);
  cursor: pointer;
  font-family: var(--font-mono);
}

.modal__close:hover {
  border-color: var(--ascii-cyan);
  color: var(--ascii-cyan-bright);
}

/* Comparison Grid (why.html) */
.comparison-grid {
  display: grid;
  gap: var(--space-6ch);
  grid-template-columns: 1fr;
}

.comparison-grid__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-2ch);
}

.comparison-grid__item h3 {
  color: var(--ascii-cyan-bright);
  margin-bottom: var(--space-1ch);
}

.comparison-grid__item ul {
  padding-left: var(--space-4ch);
  color: var(--ascii-text-dim);
}

.comparison-grid__item li {
  margin-bottom: var(--space-1ch);
}

.emphasis-text {
  font-weight: 600;
  color: var(--ascii-cyan-bright);
  margin-top: var(--space-2ch);
}

/* Testimonials Grid (why.html) */
.testimonials-grid {
  display: grid;
  gap: var(--space-4ch);
  grid-template-columns: 1fr;
}

.testimonial {
  padding: var(--space-4ch);
}

.testimonial h3 {
  font-size: 1.25rem;
  color: var(--ascii-cyan-bright);
  margin-bottom: var(--space-2ch);
  font-weight: 500;
}

/* Comparison Table (why.html) */
.table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-top: var(--space-4ch);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 600px;
  font-family: var(--font-mono);
}

.comparison-table thead tr {
  background: rgba(51, 255, 51, 0.15);
}

.comparison-table th {
  padding: var(--space-2ch);
  text-align: left;
  border: 1px solid var(--border-primary);
  font-weight: 600;
  color: var(--ascii-cyan-bright);
}

.comparison-table td {
  padding: var(--space-2ch);
  border: 1px solid var(--border-secondary);
  color: var(--ascii-text);
}

.comparison-table tbody th {
  font-weight: 500;
  color: var(--ascii-text-dim);
}

/* CTA Box (why.html) */
.cta-box {
  text-align: center;
  padding: var(--space-6ch) var(--space-4ch);
  background: rgba(51, 255, 51, 0.08);
  border: 2px dashed var(--border-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3ch);
}

.cta-box h2 {
  font-size: 2rem;
  margin-bottom: 0;
}

.cta-box p {
  font-size: 1.1rem;
  color: var(--ascii-text-dim);
  max-width: 48ch;
  margin-bottom: 0;
}

.cta-box .hero__cta-button {
  font-size: 1.1rem;
  padding: var(--space-2ch) var(--space-4ch);
}

/* Use Case Sections (use-cases.html) */
.use-case-section {
  padding-block: var(--space-6ch);
}

.use-case-section h2 {
  color: var(--ascii-cyan-bright);
  margin-bottom: var(--space-2ch);
}

.use-case-section h3 {
  color: var(--ascii-cyan);
  margin-top: var(--space-4ch);
  margin-bottom: var(--space-2ch);
}

.section-lead {
  font-size: 1.1rem;
  color: var(--ascii-text-dim);
  margin-bottom: var(--space-4ch);
}

.use-case-list {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--ascii-text-dim);
  padding-left: var(--space-4ch);
  margin-bottom: var(--space-4ch);
}

.use-case-list li {
  margin-bottom: var(--space-1ch);
}

/* Use Case 2-Column Grid */
.use-case-2col {
  display: grid;
  gap: var(--space-4ch);
  grid-template-columns: 1fr;
  margin-top: var(--space-2ch);
  margin-bottom: var(--space-4ch);
}

.use-case-2col__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1ch);
}

.use-case-2col__label {
  font-weight: 600;
  color: var(--ascii-text);
  margin-bottom: var(--space-1ch);
}

.use-case-2col__label--success {
  color: var(--ascii-success);
}

.use-case-2col__label--error {
  color: var(--ascii-error);
}

/* ASCII Box Variants */
.ascii-box--error {
  border-color: rgba(255, 100, 100, 0.35);
  background: rgba(255, 100, 100, 0.05);
  color: rgba(210, 248, 255, 0.75);
}

/* Git Diff Styling */
.git-diff {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.4;
  padding: var(--space-3ch);
  background: rgba(2, 5, 9, 0.92);
  border: 1px dashed var(--border-primary);
  margin: var(--space-2ch) 0;
  overflow-x: auto;
  color: var(--ascii-text);
}

.git-diff__add {
  color: rgba(100, 200, 100, 0.9);
  display: block;
}

.git-diff__remove {
  color: rgba(200, 100, 100, 0.9);
  display: block;
}

/* ============================================
   DOCUMENTATION PAGE LAYOUT
   ============================================ */

/* Breadcrumbs */
.breadcrumbs {
  margin-bottom: var(--space-4ch);
}

.breadcrumbs a {
  color: var(--ascii-cyan);
  text-decoration: none;
}

.breadcrumbs a:hover {
  text-decoration: underline;
}

.breadcrumbs [aria-current="page"] {
  color: var(--ascii-text);
}

/* Doc Page Header */
.doc-page__header {
  margin-bottom: var(--space-6ch);
  padding-bottom: var(--space-4ch);
  border-bottom: 1px dashed var(--border-dim);
}

.doc-page__title {
  font-size: 2.5rem;
  margin: 0 0 var(--space-2ch) 0;
  color: var(--ascii-cyan-bright);
}

.doc-page__intro {
  font-size: 1.125rem;
  color: var(--ascii-text-bright);
  margin: 0;
  max-width: 60ch;
}

/* Two-Column Layout */
.doc-page__layout {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: var(--space-6ch);
  align-items: start;
}

@media (max-width: 768px) {
  .doc-page__layout {
    grid-template-columns: 1fr;
    gap: var(--space-4ch);
  }
}

/* Sidebar TOC */
.doc-sidebar {
  position: sticky;
  top: var(--space-4ch);
}

.doc-sidebar nav {
  margin: 0;
}

.doc-sidebar a {
  color: var(--ascii-text);
  text-decoration: none;
  font-size: 0.9rem;
}

.doc-sidebar a:hover {
  color: var(--ascii-cyan-bright);
  text-decoration: underline;
}

@media (max-width: 768px) {
  .doc-sidebar {
    position: static;
  }
}

/* Main Content Column */
.doc-content {
  min-width: 0; /* Prevent grid blowout */
}

.doc-section {
  margin-bottom: var(--space-6ch);
}

.doc-section h2 {
  font-size: 1.75rem;
  margin: 0 0 var(--space-3ch) 0;
  color: var(--ascii-cyan);
  border-bottom: 2px solid var(--border-dim);
  padding-bottom: var(--space-1ch);
}

.doc-section h3 {
  font-size: 1.25rem;
  margin: var(--space-4ch) 0 var(--space-2ch) 0;
  color: var(--ascii-text-bright);
}

.doc-section p {
  margin: var(--space-2ch) 0;
  line-height: 1.7;
  max-width: 70ch;
}

.doc-section code {
  background: rgba(0, 255, 255, 0.1);
  padding: 0.2ch 0.5ch;
  border-radius: 2px;
  font-size: 0.9em;
  color: var(--ascii-cyan-bright);
}

/* ASCII Lists for Docs */
.ascii-list {
  list-style: none;
  padding: 0;
  margin: var(--space-2ch) 0;
}

.ascii-list li {
  padding-left: var(--space-3ch);
  margin-bottom: var(--space-1ch);
  line-height: 1.6;
}

.ascii-list li::before {
  content: "→ ";
  margin-left: calc(-1 * var(--space-3ch));
  color: var(--ascii-cyan);
  font-weight: bold;
}

/* Doc Tables */
.doc-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-3ch) 0;
  font-size: 0.9rem;
}

.doc-table th {
  text-align: left;
  padding: var(--space-2ch);
  background: rgba(0, 255, 255, 0.1);
  border: 1px solid var(--border-dim);
  color: var(--ascii-cyan);
  font-weight: 600;
}

.doc-table td {
  padding: var(--space-2ch);
  border: 1px solid var(--border-dim);
  line-height: 1.5;
}

.doc-table code {
  background: rgba(0, 255, 255, 0.15);
  padding: 0.2ch 0.5ch;
  font-size: 0.85em;
}