/* ============================================================
   MASTER HEADER — UNIFIED STATIC MASTHEAD ACROSS ALL PAGES
   The Baseline Wire · The Library · The Forum
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Crimson+Text:ital,wght@0,400;0,600;0,700;1,400&family=IM+Fell+English+SC&family=Space+Mono:ital,wght@0,400;0,700;1,400&display=swap');

/* View Transitions for seamless header persistence */
@view-transition {
  navigation: auto;
}

::view-transition-old(master-header),
::view-transition-new(master-header) {
  animation: none !important;
  mix-blend-mode: normal !important;
}

/* Stable scrollbar gutter across all pages so content never shifts on load */
html {
  scrollbar-gutter: stable;
  overflow-y: scroll;
}

/* Master Header Container - Locked to top of viewport */
#master-header.wire-header {
  position: sticky !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  width: 100% !important;
  z-index: 1000 !important;
  background: rgba(10, 12, 14, 0.96) !important;
  backdrop-filter: blur(12px) !important;
  -webkit-backdrop-filter: blur(12px) !important;
  border-bottom: 3px double rgba(212, 175, 55, 0.35) !important;
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.75) !important;
  view-transition-name: master-header !important;
  box-sizing: border-box !important;
  margin: 0 !important;
  padding: 0 !important;
}

#master-header .header-container {
  max-width: 1400px !important;
  margin: 0 auto !important;
  padding: 0.85rem 1.25rem 0.75rem 1.25rem !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  text-align: center !important;
  row-gap: 0.65rem !important;
  box-sizing: border-box !important;
}

/* Brand Link & Zone - Centered */
#master-header .brand-zone-link {
  text-decoration: none !important;
  color: inherit !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  flex-shrink: 0 !important;
  order: 1 !important;
  margin: 0 auto !important;
  width: 100% !important;
  transition: opacity 0.15s ease !important;
}

#master-header .brand-zone-link:hover {
  opacity: 0.95 !important;
}

#master-header .brand-zone {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  text-align: center !important;
  gap: 1rem !important;
  margin: 0 auto !important;
  flex-shrink: 0 !important;
}

#master-header .pulse-indicator {
  position: relative !important;
  width: 16px !important;
  height: 16px !important;
  flex-shrink: 0 !important;
}

#master-header .pulse-dot {
  position: absolute !important;
  width: 8px !important;
  height: 8px !important;
  background-color: #D4AF37 !important;
  border-radius: 50% !important;
  top: 4px !important;
  left: 4px !important;
  box-shadow: 0 0 8px #D4AF37 !important;
}

#master-header .pulse-ring {
  position: absolute !important;
  width: 16px !important;
  height: 16px !important;
  border: 1px solid #D4AF37 !important;
  border-radius: 50% !important;
  animation: master-pulse-ring 2.4s cubic-bezier(0.215, 0.61, 0.355, 1) infinite !important;
}

@keyframes master-pulse-ring {
  0% { transform: scale(0.5); opacity: 0; }
  50% { opacity: 0.8; }
  100% { transform: scale(1.6); opacity: 0; }
}

#master-header .brand-title {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  text-align: center !important;
}

#master-header .brand-title .site-tag {
  font-family: 'Space Mono', monospace !important;
  font-size: 0.62rem !important;
  color: #C28751 !important;
  letter-spacing: 0.22em !important;
  font-weight: 700 !important;
  display: block !important;
  text-transform: uppercase !important;
  line-height: 1.2 !important;
  text-align: center !important;
}

#master-header .brand-title h1 {
  font-family: 'IM Fell English SC', serif !important;
  font-size: 1.65rem !important;
  font-weight: 400 !important;
  letter-spacing: 0.14em !important;
  color: #F2EADA !important;
  text-transform: uppercase !important;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.9), 0 0 20px rgba(212, 175, 55, 0.25) !important;
  margin: 0 0 0.15rem 0 !important;
  line-height: 1.2 !important;
  text-align: center !important;
}

#master-header .brand-ribbon {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 0.5rem !important;
  font-family: 'IM Fell English SC', serif !important;
  font-size: 0.72rem !important;
  letter-spacing: 0.22em !important;
  color: #D4AF37 !important;
  border-top: 1px solid rgba(212, 175, 55, 0.5) !important;
  border-bottom: 1px solid rgba(212, 175, 55, 0.5) !important;
  padding: 0.15rem 0.65rem !important;
  background: rgba(212, 175, 55, 0.08) !important;
  text-transform: uppercase !important;
  margin: 0.25rem auto 0 auto !important;
  line-height: 1.2 !important;
  text-align: center !important;
}

#master-header .brand-ribbon::before,
#master-header .brand-ribbon::after {
  content: '❖' !important;
  font-size: 0.55rem !important;
  color: #C28751 !important;
}

/* Instrumental Telemetry Strip (Genesis Chronometer) - Centered */
#master-header .telemetry-bar {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 1.25rem !important;
  background: rgba(16, 20, 26, 0.92) !important;
  border: 1px solid rgba(212, 175, 55, 0.28) !important;
  border-radius: 3px !important;
  padding: 0.4rem 0.95rem !important;
  box-shadow: inset 0 1px 4px rgba(0, 0, 0, 0.5) !important;
  flex: 0 0 auto !important;
  width: max-content !important;
  max-width: 100% !important;
  order: 3 !important;
  margin-left: auto !important;
  margin-right: auto !important;
  margin-top: 0.25rem !important;
  margin-bottom: 0 !important;
  box-sizing: border-box !important;
  overflow-x: auto !important;
}

#master-header .telemetry-item {
  display: flex !important;
  flex-direction: column !important;
  justify-content: flex-start !important;
  gap: 3px !important;
}

#master-header .telemetry-item .label {
  font-size: 0.58rem !important;
  font-family: 'Space Mono', monospace !important;
  color: #857e70 !important;
  letter-spacing: 0.12em !important;
  text-transform: uppercase !important;
  line-height: 15px !important;
  height: 15px !important;
  display: inline-flex !important;
  align-items: center !important;
  white-space: nowrap !important;
}

/* The Invariant Tag Box - Perfectly centered inline badge with gold theme */
#master-header .telemetry-item .chrono-tag,
#master-header .chrono-tag,
.chrono-tag {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-size: 0.46rem !important;
  font-family: 'Space Mono', monospace !important;
  font-weight: 700 !important;
  letter-spacing: 0.08em !important;
  line-height: 1 !important;
  height: 13px !important;
  padding: 0 4px !important;
  border-radius: 2px !important;
  color: #D4AF37 !important;
  background: rgba(212, 175, 55, 0.14) !important;
  border: 1px solid rgba(212, 175, 55, 0.45) !important;
  box-shadow: 0 0 5px rgba(212, 175, 55, 0.15) !important;
  margin: 0 0 0 0.35rem !important;
  box-sizing: border-box !important;
}

#master-header .telemetry-item .val {
  font-size: 0.78rem !important;
  font-family: 'Space Mono', monospace !important;
  font-weight: 700 !important;
  letter-spacing: 0.04em !important;
  line-height: 18px !important;
  height: 18px !important;
  display: inline-flex !important;
  align-items: center !important;
  white-space: nowrap !important;
}

#master-header .telemetry-item .highlight {
  color: #D4AF37 !important;
}

#master-header .telemetry-item .text-cyan {
  color: #C28751 !important;
}

#master-header .telemetry-item .text-gold {
  color: #D4AF37 !important;
}

#master-header .telemetry-item .text-muted {
  color: #857e70 !important;
}

/* Primary Navigation Links - Centered */
#master-header .nav-links {
  flex: 0 1 auto !important;
  width: 100% !important;
  min-width: 0 !important;
  max-width: none !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 0.5rem !important;
  list-style: none !important;
  margin: 0.25rem auto 0 auto !important;
  padding: 0 !important;
  background: transparent !important;
  border: none !important;
  border-top: none !important;
  order: 2 !important;
  flex-wrap: wrap !important;
  box-sizing: border-box !important;
}

#master-header .nav-pill {
  font-family: 'Space Mono', monospace !important;
  font-size: 0.74rem !important;
  font-weight: 700 !important;
  letter-spacing: 0.08em !important;
  text-transform: uppercase !important;
  color: #C7BEA8 !important;
  text-decoration: none !important;
  padding: 0.45rem 0.85rem !important;
  border-radius: 3px !important;
  border: 1px solid rgba(212, 175, 55, 0.25) !important;
  background: rgba(16, 20, 26, 0.85) !important;
  transition: all 0.18s ease !important;
  white-space: nowrap !important;
  display: inline-flex !important;
  align-items: center !important;
  cursor: pointer !important;
  line-height: 1.2 !important;
}

#master-header .nav-pill::after {
  display: none !important;
}

#master-header .nav-pill:hover {
  color: #D4AF37 !important;
  border-color: #D4AF37 !important;
  background: rgba(212, 175, 55, 0.12) !important;
  box-shadow: 0 0 12px rgba(212, 175, 55, 0.25) !important;
}

#master-header .nav-pill.active {
  border-color: #D4AF37 !important;
  color: #D4AF37 !important;
  background: rgba(212, 175, 55, 0.18) !important;
  box-shadow: 0 0 10px rgba(212, 175, 55, 0.25) !important;
  font-weight: 700 !important;
}

/* Account Box in Nav — Unified Inline Cluster with Closed Gap */
#master-header .account-box {
  display: flex !important;
  align-items: center !important;
  gap: 0.5rem !important;
  font-family: 'Space Mono', monospace !important;
  font-size: 0.74rem !important;
  white-space: nowrap !important;
  margin-left: 0.5rem !important;
  padding-left: 0.75rem !important;
  border-left: 1px solid rgba(212, 175, 55, 0.4) !important;
}

#master-header .user-badge {
  font-family: 'Space Mono', monospace !important;
  color: #D4AF37 !important;
  font-weight: 700 !important;
  font-size: 0.76rem !important;
  padding: 0.2rem 0.4rem !important;
}

#master-header .mod-badge {
  background: rgba(212, 175, 55, 0.15) !important;
  color: #D4AF37 !important;
  border: 1px solid #D4AF37 !important;
  padding: 1px 5px !important;
  border-radius: 3px !important;
  font-size: 0.62rem !important;
  font-weight: 700 !important;
  font-family: 'Space Mono', monospace !important;
}

#master-header .auth-btn {
  padding: 0.45rem 0.8rem !important;
  font-size: 0.72rem !important;
}

#master-header .sign-up-btn {
  background: rgba(212, 175, 55, 0.14) !important;
  border-color: rgba(212, 175, 55, 0.55) !important;
  color: #D4AF37 !important;
}

#master-header .sign-up-btn:hover {
  background: rgba(212, 175, 55, 0.28) !important;
  border-color: #D4AF37 !important;
  box-shadow: 0 0 10px rgba(212, 175, 55, 0.35) !important;
}

/* Install App Button (Left of Sign In/Out/Up) */
#master-header .header-install-btn {
  font-family: 'Space Mono', monospace !important;
  font-size: 0.72rem !important;
  font-weight: 700 !important;
  color: #0A0C0E !important;
  background: #D4AF37 !important;
  border: 1px solid #D4AF37 !important;
  border-radius: 3px !important;
  padding: 0.45rem 0.75rem !important;
  cursor: pointer !important;
  transition: filter 0.15s ease, box-shadow 0.15s ease !important;
  white-space: nowrap !important;
  line-height: 1.2 !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 0.35rem !important;
  margin-left: 0.25rem !important;
}

#master-header .header-install-btn:hover {
  filter: brightness(1.15) !important;
  box-shadow: 0 0 10px rgba(212, 175, 55, 0.4) !important;
}

/* Responsive Adaptations */
@media (max-width: 1100px) {
  #master-header .telemetry-item:nth-child(5) {
    display: none !important; /* Hide BTC Hashrate on compact viewports */
  }
}

@media (max-width: 920px) {
  #master-header .header-container {
    row-gap: 0.65rem !important;
  }
  #master-header .nav-links {
    order: 3 !important;
    width: 100% !important;
    min-width: 100% !important;
    margin-top: 0.2rem !important;
    padding-top: 0.45rem !important;
    border-top: 1px solid rgba(212, 175, 55, 0.2) !important;
    justify-content: center !important;
  }
  #master-header .telemetry-bar {
    order: 2 !important;
    margin-left: 0 !important;
    margin-right: auto !important;
  }
  #master-header .telemetry-item:nth-child(3),
  #master-header .telemetry-item:nth-child(5) {
    display: none !important; /* Hide Edition and Hashrate on compact tablets */
  }
  /* Cadence (:nth-child(2)) is strictly visible across all scales */
}

@media (max-width: 768px) {
  #master-header .header-container {
    padding: 0.6rem 0.85rem !important;
    row-gap: 0.5rem !important;
  }
  #master-header .brand-title h1 {
    font-size: 1.25rem !important;
  }
  #master-header .telemetry-bar {
    display: flex !important;
    gap: 0.85rem !important;
    padding: 0.35rem 0.65rem !important;
    width: 100% !important;
    justify-content: flex-start !important;
    overflow-x: auto !important;
  }
  /* Cadence (:nth-child(2)) and Genesis Chronometer (:nth-child(1)) are strictly preserved at all scales */
  #master-header .telemetry-item:nth-child(3),
  #master-header .telemetry-item:nth-child(5) {
    display: none !important;
  }
  #master-header .nav-links {
    width: 100% !important;
    justify-content: center !important;
    flex-wrap: wrap !important;
    gap: 0.35rem !important;
  }
  #master-header .nav-pill {
    padding: 0.35rem 0.55rem !important;
    font-size: 0.68rem !important;
  }
  #master-header .account-box {
    margin-left: 0.35rem !important;
    padding-left: 0.5rem !important;
    border-left: 1px solid rgba(212, 175, 55, 0.3) !important;
  }
}

/* Mobile legibility floor: nothing below 11px on narrow screens */
@media (max-width: 768px) {
  #master-header .telemetry-item .label,
  #master-header .telemetry-item .chrono-tag,
  #master-header .chrono-tag {
    font-size: 0.72rem !important;
  }
  #master-header .chrono-tag {
    height: auto !important;
    min-height: 14px !important;
    padding: 2px 5px !important;
  }
  #master-header .brand-title .site-tag {
    font-size: 0.75rem !important;
  }
  #master-header .nav-pill,
  #master-header .briefcase-nav-pill {
    font-size: 0.72rem !important;
  }
}