/* ==========================================================================
   NAVIGATION SYSTEM - REVENUE CONTROL NAVIGATION
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(239, 239, 239, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--cyra-border);
  z-index: 1000;
  display: flex;
  flex-direction: column;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 62px;
  max-width: var(--container-wide);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* Brand Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none !important;
  color: var(--cyra-text);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.brand-logo .logo-mark {
  width: 26px;
  height: 26px;
}

.brand-logo .logo-text {
  display: flex;
  align-items: baseline;
}

.brand-logo .logo-vix {
  color: var(--cyra-orange);
}

/* Desktop Navigation Menu */
.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: var(--space-4);
  height: 100%;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--cyra-text) !important;
  font-family: var(--font-body);
  font-size: var(--text-body-sm);
  font-weight: 500;
  padding: 8px 6px;
  position: relative;
  text-decoration: none !important;
  transition: color var(--transition-fast);
}

.nav-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyra-text-subtle);
}

.nav-line {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--cyra-orange);
  transition: width var(--transition-base);
}

.nav-item:hover .nav-link,
.nav-item.active .nav-link {
  color: var(--cyra-text) !important;
}

.nav-item:hover .nav-num,
.nav-item.active .nav-num {
  color: var(--cyra-orange);
  font-weight: 700;
}

.nav-item:hover .nav-line,
.nav-item.active .nav-line {
  width: 100%;
}

/* ==========================================================================
   MEGA MENUS
   ========================================================================== */
.mega-panel {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 680px;
  background-color: var(--cyra-surface);
  border: 1px solid var(--cyra-border);
  border-radius: var(--radius-base);
  box-shadow: var(--shadow-lg);
  padding: var(--space-6);
  display: none;
  grid-template-columns: 1fr 220px;
  gap: var(--space-6);
  z-index: 1001;
}

.nav-item:hover .mega-panel {
  display: grid;
}

.mega-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.mega-link {
  display: flex;
  flex-direction: column;
  padding: 8px 10px;
  border-radius: var(--radius-base);
  text-decoration: none !important;
  transition: background-color var(--transition-fast);
}

.mega-link:hover {
  background-color: var(--cyra-surface-hover);
}

.mega-link-title {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--cyra-text);
}

.mega-link-desc {
  font-size: 0.8rem;
  color: var(--cyra-text-muted);
  line-height: 1.4;
  margin-top: 2px;
}

.mega-sidebar {
  background-color: var(--cyra-bg);
  border-left: 1px solid var(--cyra-border);
  padding: var(--space-4);
  border-radius: var(--radius-base);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.mega-sidebar-title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--cyra-orange);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.mega-sidebar-desc {
  font-size: 0.8rem;
  color: var(--cyra-text-muted);
  line-height: 1.5;
}

.mega-metric-card {
  background: #FFFFFF;
  border: 1px solid var(--cyra-border);
  padding: 10px;
  border-radius: var(--radius-base);
  margin-bottom: 10px;
}

/* Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* Hamburger menu button */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  background: none;
  border: 1px solid var(--cyra-border);
  border-radius: var(--radius-base);
  cursor: pointer;
  padding: 6px;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--cyra-text);
  transition: all var(--transition-fast);
}

/* ==========================================================================
   LIVE TELEMETRY TICKER BAR
   ========================================================================== */
.nav-telemetry {
  height: 32px;
  background-color: #1A1A1A;
  color: #D4D4D4;
  display: flex;
  align-items: center;
  padding: 0 var(--space-6);
  font-family: var(--font-mono);
  font-size: 11px;
  gap: var(--space-6);
  overflow-x: auto;
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
  border-top: 1px solid #282828;
}

.nav-telemetry::-webkit-scrollbar {
  display: none;
}

.telemetry-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.telemetry-item strong {
  color: #FFFFFF;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #3FB950;
  box-shadow: 0 0 6px #3FB950;
  display: inline-block;
}

/* ==========================================================================
   MOBILE NAVIGATION DRAWER
   ========================================================================== */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 360px;
  height: 100vh;
  background-color: var(--cyra-surface);
  box-shadow: var(--shadow-lg);
  z-index: 2000;
  padding: var(--space-6);
  overflow-y: auto;
  transition: right var(--transition-base);
  display: flex;
  flex-direction: column;
}

.mobile-drawer.open {
  right: 0;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav-link {
  padding: 10px 12px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--cyra-text) !important;
  text-decoration: none !important;
  border-radius: var(--radius-base);
  transition: background-color var(--transition-fast);
}

.mobile-nav-link:hover {
  background-color: var(--cyra-surface-hover);
  color: var(--cyra-orange) !important;
}