/**
 * CODECURV COMPONENT SYSTEM
 * Universal Architectural Primitives, Navigation & Monographic Footer
 */

/* ==========================================================================
   1. PRECISION DRAFTING RETICLE CURSOR (DESKTOP ONLY)
   ========================================================================== */

#drafting-cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 24px;
  height: 24px;
  pointer-events: none;
  z-index: var(--z-cursor);
  transform: translate3d(-100px, -100px, 0);
  display: none !important;
  opacity: 0;
  visibility: hidden;
  will-change: transform;
}

@media (hover: hover) and (pointer: fine) and (min-width: 1025px) {
  #drafting-cursor.is-active {
    display: block !important;
    opacity: 1;
    visibility: visible;
  }
}

.cursor-ring {
  position: absolute;
  inset: 0;
  border: 1px solid var(--vermilion);
  border-radius: 50%;
  transition: transform 180ms var(--ease-spring), border-color 180ms ease, background-color 180ms ease;
}

.cursor-cross-h {
  position: absolute;
  top: 50%;
  left: -4px;
  right: -4px;
  height: 1px;
  background: var(--vermilion);
  transform: translateY(-50%);
  opacity: 0.7;
}

.cursor-cross-v {
  position: absolute;
  left: 50%;
  top: -4px;
  bottom: -4px;
  width: 1px;
  background: var(--vermilion);
  transform: translateX(-50%);
  opacity: 0.7;
}

.cursor-telemetry {
  position: absolute;
  top: 28px;
  left: 14px;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--vermilion);
  white-space: nowrap;
  background: var(--bg-sheet);
  border: 1px solid var(--rule-base);
  padding: 1px 4px;
  border-radius: var(--radius-none);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
  pointer-events: none;
}

#drafting-cursor.is-hovering .cursor-ring {
  transform: scale(1.6);
  background-color: var(--vermilion-tint);
  border-width: 1.5px;
}

/* ==========================================================================
   2. FLOATING INSTRUMENT NAVIGATION BAR
   ========================================================================== */

.nav-shell {
  position: sticky;
  top: 12px;
  z-index: var(--z-nav);
  width: 100%;
  padding: 0 var(--space-4);
  box-sizing: border-box;
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  background: var(--bg-nav);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--rule-base);
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  padding: 0 var(--space-4);
  transition: border-color 150ms ease;
  position: relative;
  z-index: var(--z-nav);
  box-sizing: border-box;
}

.nav-container:hover {
  border-color: var(--rule-strong);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.04em;
  color: var(--ink-primary);
  flex-shrink: 0;
}

.nav-brand-glyph {
  transition: transform 300ms var(--ease-spring);
}

.nav-brand:hover .nav-brand-glyph {
  transform: rotate(90deg) scale(1.15);
}

.nav-track {
  display: flex;
  align-items: center;
  gap: 2px;
  background: var(--bg-canvas-subtle);
  border: 1px solid var(--rule-subtle);
  border-radius: var(--radius-xs);
  padding: 2px;
  height: 32px;
  box-sizing: border-box;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--ink-secondary);
  padding: 0 12px;
  height: 100%;
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-xs);
  transition: all 120ms var(--ease-mechanical);
  box-sizing: border-box;
}

.nav-link:hover {
  color: var(--ink-primary);
  background: var(--bg-sheet);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.nav-btn-catalog {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 32px;
  padding: 0 14px;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  border-radius: var(--radius-xs);
  background-color: var(--ink-primary);
  color: var(--bg-canvas);
  border: 1px solid var(--ink-primary);
  transition: transform 120ms var(--ease-mechanical), background-color 120ms ease, border-color 120ms ease;
  box-sizing: border-box;
  white-space: nowrap;
}

.nav-btn-catalog:hover {
  background-color: #23252B;
  border-color: #23252B;
  transform: translateY(-1px);
}

[data-theme="dark"] .nav-btn-catalog {
  background-color: #FFFFFF;
  color: #000000;
  border-color: #FFFFFF;
}

/* ==========================================================================
   3. MECHANICAL THEME SWITCHER & MOBILE TOGGLE
   ========================================================================== */

.theme-dial {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  background: var(--bg-canvas-subtle);
  border: 1px solid var(--rule-base);
  border-radius: var(--radius-full);
  padding: 0 10px 0 4px;
  cursor: pointer;
  user-select: none;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--ink-primary);
  transition: transform 120ms var(--ease-mechanical), border-color 120ms ease;
  flex-shrink: 0;
  box-sizing: border-box;
}

.theme-dial:hover {
  border-color: var(--vermilion);
  transform: translateY(-1px);
}

.theme-dial:active {
  transform: scale(0.95);
}

.theme-dial-disc {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--ink-primary);
  color: var(--bg-canvas);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 400ms var(--ease-spring), background-color 240ms ease, color 240ms ease;
}

.theme-dial-disc svg {
  display: block;
  width: 12px;
  height: 12px;
}

[data-theme="dark"] .theme-dial-disc {
  transform: rotate(360deg);
  background: var(--vermilion);
  color: #FFFFFF;
}

.mobile-nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 32px;
  background: var(--bg-canvas-subtle);
  border: 1px solid var(--rule-base);
  padding: 0 12px;
  color: var(--ink-primary);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 120ms ease;
  flex-shrink: 0;
  box-sizing: border-box;
}

.mobile-nav-toggle:hover,
.mobile-nav-toggle:active {
  border-color: var(--vermilion);
  background: var(--bg-sheet);
  color: var(--vermilion);
}

/* ==========================================================================
   4. HIGH-CRAFT HERO ACTION BUTTONS
   ========================================================================== */

.hero-actions-deck {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4, 16px);
  margin-top: var(--space-8, 32px);
  margin-bottom: var(--space-6, 24px);
  width: 100%;
  box-sizing: border-box;
}

.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4, 16px);
  padding: 14px 20px;
  background: var(--ink-primary);
  color: var(--bg-canvas);
  border: 1px solid var(--ink-primary);
  border-radius: var(--radius-xs);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
  transition: transform 140ms var(--ease-mechanical), background-color 140ms ease, box-shadow 140ms ease;
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
  text-decoration: none;
  cursor: pointer;
}

.btn-hero-primary:hover {
  background-color: #23252B;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.14);
}

[data-theme="dark"] .btn-hero-primary {
  background-color: #F4F4F2;
  color: #07080A;
  border-color: #F4F4F2;
}

[data-theme="dark"] .btn-hero-primary:hover {
  background-color: #FFFFFF;
}

.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4, 16px);
  padding: 14px 20px;
  background: var(--bg-sheet);
  color: var(--ink-primary);
  border: 1px solid var(--rule-base);
  border-radius: var(--radius-xs);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
  transition: transform 140ms var(--ease-mechanical), border-color 140ms ease, background-color 140ms ease;
  position: relative;
  box-sizing: border-box;
  text-decoration: none;
  cursor: pointer;
}

.btn-hero-secondary:hover {
  border-color: var(--ink-primary);
  background-color: var(--bg-sheet-raised);
  transform: translateY(-2px);
}

[data-theme="dark"] .btn-hero-secondary:hover {
  border-color: var(--vermilion);
}

.btn-hero-text-block {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
}

.btn-hero-title {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 6px;
  line-height: 1.2;
}

.btn-hero-subtitle {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  opacity: 0.72;
  text-transform: uppercase;
  line-height: 1;
}

.btn-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 3px 6px;
  border-radius: 2px;
  background: var(--vermilion);
  color: #FFFFFF;
  line-height: 1;
  flex-shrink: 0;
}

.btn-hero-badge-green {
  background: rgba(16, 142, 97, 0.15);
  color: var(--signal-emerald);
  border: 1px solid rgba(16, 142, 97, 0.3);
}

/* ==========================================================================
   5. ERROR 404 RECOVERY DOCK
   ========================================================================== */

.error-recovery-dock {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: var(--space-3, 12px);
  margin-top: var(--space-6, 24px);
  width: 100%;
  box-sizing: border-box;
}

.error-recovery-dock .btn {
  width: 100%;
  padding: 12px 18px;
  font-size: 0.8125rem;
  box-sizing: border-box;
  justify-content: center;
  text-align: center;
}

/* ==========================================================================
   6. MASTER MONOGRAPHIC FOOTER STYLES
   ========================================================================== */

.footer-monograph {
  background-color: var(--bg-canvas);
  border-top: 1px solid var(--rule-base);
  position: relative;
  z-index: var(--z-base, 2);
  width: 100%;
  box-sizing: border-box;
}

.footer-telemetry-ribbon {
  padding: var(--space-3, 12px) 0;
  background-color: var(--bg-canvas-subtle);
  border-bottom: 1px solid var(--rule-subtle);
  box-sizing: border-box;
}

.footer-main-body {
  padding: var(--space-16, 64px) 0 var(--space-12, 48px) 0;
  box-sizing: border-box;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.9fr 0.95fr 1.05fr 0.95fr;
  gap: var(--space-8, 32px);
  box-sizing: border-box;
  width: 100%;
}

.footer-col {
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}

.footer-col-heading {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink-primary);
  text-transform: uppercase;
  margin-bottom: var(--space-4, 16px);
  display: block;
}

.footer-link-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3, 12px);
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-link {
  font-family: var(--font-sans);
  font-size: 0.84375rem;
  color: var(--ink-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  transition: color 120ms ease, transform 120ms var(--ease-mechanical);
  text-decoration: none;
}

.footer-link:hover {
  color: var(--vermilion);
  transform: translateX(2px);
}

.footer-link-tag {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 2px;
  background-color: var(--bg-canvas-subtle);
  border: 1px solid var(--rule-subtle);
  color: var(--signal-emerald);
  letter-spacing: 0.04em;
}

.footer-datum-bar {
  padding: var(--space-4, 16px) 0;
  border-top: 1px solid var(--rule-base);
  background-color: var(--bg-canvas-subtle);
  box-sizing: border-box;
}

.footer-datum-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3, 12px);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
}

.footer-copyright {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.footer-protocol-links {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.footer-protocol-link {
  color: var(--ink-secondary);
  font-weight: 600;
  transition: color 120ms ease;
  text-decoration: none;
}

.footer-protocol-link:hover {
  color: var(--vermilion);
}

.footer-pipe {
  color: var(--rule-strong);
}

/* ==========================================================================
   7. UNIVERSAL ARCHITECTURAL CARD PRIMITIVES
   ========================================================================== */

.features-matrix-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: var(--space-6, 24px);
  margin-top: var(--space-8, 32px);
  width: 100%;
  box-sizing: border-box;
}

.feature-spec-card {
  background: var(--bg-sheet);
  border: 1px solid var(--rule-base);
  border-left: 4px solid var(--ink-primary);
  border-radius: var(--radius-none);
  padding: var(--space-6, 24px);
  display: flex;
  flex-direction: column;
  gap: var(--space-3, 12px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
  box-sizing: border-box;
  width: 100%;
  transition: border-left-color 140ms ease, transform 140ms var(--ease-mechanical);
}

.feature-spec-card:hover {
  border-left-color: var(--vermilion);
  transform: translateY(-2px);
}

.crosslink-deck,
.connected-bridges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
  gap: var(--space-6, 24px);
  margin-top: var(--space-8, 32px);
  width: 100%;
  box-sizing: border-box;
}

.crosslink-card,
.bridge-card {
  background: var(--bg-sheet);
  border: 1px solid var(--rule-base);
  border-radius: var(--radius-none);
  padding: var(--space-6, 24px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-4, 16px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
  box-sizing: border-box;
  width: 100%;
  transition: transform 120ms ease, border-color 120ms ease;
}

.crosslink-card:hover,
.bridge-card:hover {
  transform: translateY(-2px);
  border-color: var(--rule-strong);
}

.spec-ribbon {
  margin-top: var(--space-8, 32px);
  margin-bottom: var(--space-10, 40px);
  background: var(--bg-sheet);
  border: 1px solid var(--rule-base);
  border-radius: var(--radius-xs);
  display: flex;
  align-items: stretch;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
  width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.spec-ribbon-item {
  flex: 1;
  min-width: 0;
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  border-right: 1px solid var(--rule-subtle);
  position: relative;
  box-sizing: border-box;
  transition: background-color 140ms ease;
}

.spec-ribbon-item:last-child {
  border-right: none;
}

.spec-ribbon-item:hover {
  background-color: var(--bg-canvas-subtle);
}

.spec-ribbon-label {
  font-family: var(--font-mono);
  font-size: 0.59375rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
  text-transform: uppercase;
}

.spec-ribbon-value {
  font-family: var(--font-mono);
  font-size: 0.84375rem;
  font-weight: 600;
  color: var(--ink-primary);
  line-height: 1.3;
}

.pmo-expanded-card {
  background: var(--bg-sheet);
  border: 1px solid var(--rule-base);
  border-radius: var(--radius-none);
  margin-bottom: var(--space-12, 48px);
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.03);
  box-sizing: border-box;
  width: 100%;
  overflow: hidden;
}

.pmo-expanded-header {
  padding: var(--space-4, 16px) var(--space-6, 24px);
  background: var(--bg-canvas-subtle);
  border-bottom: 1px solid var(--rule-base);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2, 8px);
  box-sizing: border-box;
}

.pmo-expanded-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  box-sizing: border-box;
  width: 100%;
}

.pmo-expanded-col {
  padding: var(--space-8, 32px);
  border-right: 1px solid var(--rule-base);
  display: flex;
  flex-direction: column;
  gap: var(--space-3, 12px);
  box-sizing: border-box;
}

.pmo-expanded-col:last-child {
  border-right: none;
}

.pmo-col-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ==========================================================================
   8. STANDARD BUTTONS & METADATA BADGES
   ========================================================================== */

.datum-stamp {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  border: 1px solid var(--rule-base);
  background: var(--bg-canvas-subtle);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 700;
  color: var(--ink-secondary);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  height: 24px;
  box-sizing: border-box;
}

.status-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  border: 1px solid var(--rule-base);
  background: var(--bg-sheet);
  color: var(--ink-primary);
  height: 26px;
  box-sizing: border-box;
}

.status-tag-live {
  border-color: rgba(16, 142, 97, 0.35);
  background: rgba(16, 142, 97, 0.06);
  color: var(--signal-emerald);
}

.status-tag-vermilion {
  border-color: rgba(217, 56, 30, 0.35);
  background: var(--vermilion-tint);
  color: var(--vermilion);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: currentColor;
  box-shadow: 0 0 6px currentColor;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2, 8px);
  padding: 0.65rem 1.25rem;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-xs);
  transition: transform 120ms var(--ease-mechanical), background-color 120ms ease, border-color 120ms ease;
  white-space: nowrap;
  box-sizing: border-box;
}

.btn-carbon {
  background-color: var(--ink-primary);
  color: var(--bg-canvas);
  border: 1px solid var(--ink-primary);
}

.btn-carbon:hover {
  background-color: #23252B;
  border-color: #23252B;
  transform: translateY(-1px);
}

[data-theme="dark"] .btn-carbon {
  background-color: #FFFFFF;
  color: #000000;
  border-color: #FFFFFF;
}

.btn-vermilion {
  background-color: var(--vermilion);
  color: #FFFFFF;
  border: 1px solid var(--vermilion);
}

.btn-vermilion:hover {
  background-color: #BA2D16;
  transform: translateY(-1px);
}

.btn-outline {
  background-color: var(--bg-sheet);
  color: var(--ink-primary);
  border: 1px solid var(--rule-base);
}

.btn-outline:hover {
  border-color: var(--ink-primary);
  transform: translateY(-1px);
}

.dovetail-joint {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--rule-base);
  background: var(--bg-sheet);
  box-sizing: border-box;
  width: 100%;
}

.joint-mortise {
  padding: var(--space-8, 32px);
  border-right: 1px solid var(--rule-base);
  background: var(--bg-sheet);
  box-sizing: border-box;
}

.joint-tenon {
  padding: var(--space-8, 32px);
  background: var(--bg-canvas-subtle);
  box-sizing: border-box;
}

@media (max-width: 768px) {
  .dovetail-joint {
    grid-template-columns: 1fr;
  }
  .joint-mortise {
    border-right: none;
    border-bottom: 1px solid var(--rule-base);
    padding: var(--space-6, 24px) var(--space-4, 16px);
  }
  .joint-tenon {
    padding: var(--space-6, 24px) var(--space-4, 16px);
  }
}