/* xk3s C2 • LIGHT THEME SUITE (docs.xk3s.com standard) */

:root, [data-theme="light"], [data-theme="dark"], [data-theme="winter"], [data-theme="summer"] {
  --xk3s-canvas: #f6f8fa;
  --bg-primary: #f6f8fa;
  --bg-surface: #ffffff;
  --bg-surface-2: #f1f3f5;
  --bg-base: #f6f8fa;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f3f5;
  --bg-main: #f6f8fa;
  --bg: #f6f8fa;
  --bg-elevated: #e9ecef;
  --bg-header: rgba(246, 248, 250, 0.92);
  --bg-code: #f1f3f5;
  --card: #ffffff;
  --card-border: rgba(0, 0, 0, 0.08);
  --border: rgba(0, 0, 0, 0.08);
  --border-subtle: rgba(0, 0, 0, 0.08);
  --border-medium: rgba(0, 0, 0, 0.16);
  --border-dim: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(53, 132, 228, 0.5);
  --border-glow: rgba(53, 132, 228, 0.25);
  
  --text-main: #1c1d1f;
  --text: #1c1d1f;
  --text-primary: #1c1d1f;
  --text-muted: #5e6066;
  --muted: #5e6066;
  --text-dim: #8c8e94;
  --text-secondary: #5e6066;
  --text-tertiary: #8c8e94;
  --text-accent: #1c71d8;
  
  --cyan: #1c71d8;
  --blue: #3584e4;
  --emerald: #26a269;
  --green: #26a269;
  --purple: #9141ac;
  --amber: #e5a50a;
  --rose: #e01b24;
  --red: #e01b24;
  --accent: #1c71d8;
  
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --card-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  --card-shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.1);
  --badge-bg: rgba(0, 0, 0, 0.04);
}

.xk3s-theme-widget, #themeToggleBtn, #mobileThemeToggleBtn, .theme-toggle-btn, .theme-segmented-ctrl {
  display: none !important;
}

/* Unified xk3s Header Navigation & Dropdown Styling */
.site-more { position: relative; flex: 0 0 auto; margin-left: 4px; }
.site-more > summary { list-style: none; display:flex; align-items:center; justify-content:center; width:34px; height:34px; border:1px solid var(--border-medium, rgba(0,0,0,0.16)); border-radius:9px; background:var(--bg-surface, #ffffff); color:var(--text-main, #1c1d1f); cursor:pointer; transition: all 0.15s ease; }
.site-more > summary::-webkit-details-marker { display:none; }
.site-more > summary svg { display:block; width:18px; height:18px; stroke:currentColor; }
.site-more > summary:hover, .site-more[open] > summary { border-color:var(--text-accent, #1c71d8); color:var(--text-accent, #1c71d8); }
.site-more-menu { position:absolute; right:0; top:calc(100% + 8px); min-width:190px; z-index:3000; display:grid; gap:3px; padding:7px; background:var(--bg-surface, #ffffff); border:1px solid var(--border-medium, rgba(0,0,0,0.16)); border-radius:11px; box-shadow:0 8px 24px rgba(0,0,0,0.12); }
.site-more-menu a { display:block; padding:9px 11px; border-radius:7px; color:var(--text-main, #1c1d1f); font-size:.84rem; text-decoration:none; white-space:nowrap; font-family:"Inter", -apple-system, sans-serif; font-weight:500; }
.site-more-menu a:hover { background:var(--bg-card-hover, #f1f3f5); color:var(--text-accent, #1c71d8); }

/* ==========================================================================
   Standard xk3s Mobile Navigation System (Matches xk3s.com Home Page UX)
   ========================================================================== */
.mobile-nav-controls {
  display: none;
}
.mobile-nav-drawer {
  display: none;
}

@media (max-width: 768px) {
  .desktop-nav, .nav-actions-desktop, .nav-actions.desktop-nav, .header-actions {
    display: none !important;
  }
  .mobile-nav-controls {
    display: flex !important;
    align-items: center;
    gap: 8px;
    margin-left: auto;
  }
  .mobile-menu-toggle {
    width: 40px;
    height: 40px;
    border-radius: 9px;
    border: 1px solid var(--border-subtle, rgba(0,0,0,0.12));
    background: var(--bg-surface, #ffffff);
    color: var(--text-main, #1c1d1f);
    display: flex !important;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.15s ease;
    box-sizing: border-box;
    padding: 0;
  }
  .mobile-menu-toggle:active {
    transform: scale(0.95);
  }
  .mobile-nav-drawer {
    display: none;
    flex-direction: column;
    background: var(--bg-surface, #ffffff);
    border-bottom: 1px solid var(--border-subtle, rgba(0,0,0,0.12));
    padding: 14px 16px 18px;
    gap: 12px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
    position: relative;
    z-index: 1500;
    width: 100%;
    box-sizing: border-box;
  }
  .mobile-nav-drawer.open {
    display: flex !important;
    animation: drawerSlideDown 0.2s ease-out;
  }
  @keyframes drawerSlideDown {
    from {
      opacity: 0;
      transform: translateY(-8px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  .mobile-search-wrap {
    position: relative;
    width: 100%;
    box-sizing: border-box;
  }
  .mobile-search-wrap input {
    width: 100%;
    height: 42px;
    background: var(--bg-surface-2, #f1f3f5);
    border: 1px solid var(--border-subtle, rgba(0,0,0,0.12));
    border-radius: 9999px;
    padding: 0 16px 0 40px;
    font-family: "Inter", -apple-system, sans-serif;
    font-size: 16px !important;
    color: var(--text-main, #1c1d1f);
    outline: none;
    box-sizing: border-box;
  }
  .mobile-search-wrap input:focus {
    border-color: #3584e4;
    box-shadow: 0 0 0 3px rgba(53, 132, 228, 0.15);
  }
  .mobile-search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-dim, #8c8e94);
    pointer-events: none;
  }
  .mobile-links-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 100%;
  }
  .mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 9px;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-muted, #5e6066);
    background: var(--bg-surface, #ffffff);
    border: 1px solid var(--border-subtle, rgba(0,0,0,0.12));
    transition: all 0.15s ease;
    text-decoration: none;
    box-sizing: border-box;
  }
  .mobile-nav-link:active, .mobile-nav-link:hover {
    color: var(--text-main, #1c1d1f);
    background: var(--bg-surface-2, #f1f3f5);
    border-color: rgba(53, 132, 228, 0.4);
  }
}
/* ==========================================================================
   xk3s Unified Header Navigation & Mobile Drawer System
   Light-Mode GNOME Adwaita Palette • Responsive Slide-in / Modal Drawer
   ========================================================================== */

:root {
  --xk3s-bg-canvas: #f6f8fa;
  --xk3s-bg-surface: #ffffff;
  --xk3s-bg-card-hover: #f1f3f5;
  --xk3s-border-subtle: rgba(0, 0, 0, 0.08);
  --xk3s-border-medium: rgba(0, 0, 0, 0.16);
  --xk3s-text-main: #1c1d1f;
  --xk3s-text-muted: #5e6066;
  --xk3s-text-dim: #8c8e94;
  --xk3s-accent-blue: #1c71d8;
  --xk3s-accent-blue-bg: rgba(28, 113, 216, 0.08);
  --xk3s-accent-blue-border: rgba(28, 113, 216, 0.35);
  --xk3s-radius-btn: 10px;
  --xk3s-radius-card: 12px;
  --xk3s-radius-pill: 9999px;
  --xk3s-font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --xk3s-font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;
}

/* Scroll Lock when Drawer is Open */
body.xk3s-drawer-open {
  overflow: hidden !important;
  touch-action: none;
}

/* ==========================================================================
   1. TOP NAVIGATION BAR
   ========================================================================== */
.xk3s-header-nav, header.header-nav {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(246, 248, 250, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--xk3s-border-subtle);
  width: 100%;
  font-family: var(--xk3s-font);
}

.xk3s-nav-inner, .nav-inner {
  max-width: 1480px;
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  box-sizing: border-box;
}

/* Left Brand Group */
.xk3s-brand-group, .brand-group {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--xk3s-text-main);
  flex-shrink: 0;
}

.xk3s-brand-logo, .brand-logo {
  width: 38px;
  height: 38px;
  border-radius: var(--xk3s-radius-btn);
  background: #ffffff;
  border: 1px solid var(--xk3s-border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  flex-shrink: 0;
  overflow: hidden;
}

.xk3s-brand-logo img, .brand-logo img {
  display: block;
  width: 32px;
  height: 32px;
}

.xk3s-brand-title-wrap, .brand-title-wrap {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.xk3s-brand-name, .brand-name {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--xk3s-text-main);
}

.xk3s-brand-tag, .brand-tag {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--xk3s-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* Right Hamburger Button */
.xk3s-hamburger-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--xk3s-radius-btn);
  border: 1px solid var(--xk3s-border-medium);
  background: var(--xk3s-bg-canvas);
  color: var(--xk3s-text-main);
  cursor: pointer;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  padding: 0;
  flex-shrink: 0;
  outline: none;
}

.xk3s-hamburger-btn:hover {
  background: #e9ecef;
  border-color: rgba(0, 0, 0, 0.24);
  color: var(--xk3s-accent-blue);
  transform: translateY(-1px);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.08);
}

.xk3s-hamburger-btn:active {
  transform: scale(0.95);
}

.xk3s-hamburger-btn svg {
  display: block;
  stroke: currentColor;
}

/* ==========================================================================
   2. MOBILE DRAWER & MODAL OVERLAY
   ========================================================================== */

/* Semi-transparent Backdrop */
.xk3s-drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 10000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.xk3s-drawer-backdrop.active,
.xk3s-drawer-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

/* Slide-in Drawer Container */
.xk3s-drawer-modal {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 400px;
  background: #ffffff;
  z-index: 10001;
  display: flex;
  flex-direction: column;
  box-shadow: -10px 0 36px rgba(0, 0, 0, 0.18);
  transform: translateX(100%);
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  box-sizing: border-box;
  font-family: var(--xk3s-font);
}

@media (max-width: 440px) {
  .xk3s-drawer-modal {
    max-width: 100%;
  }
}

.xk3s-drawer-modal.active,
.xk3s-drawer-modal.open {
  transform: translateX(0);
}

/* Drawer Header */
.xk3s-drawer-header {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--xk3s-border-subtle);
  background: rgba(246, 248, 250, 0.96);
  flex-shrink: 0;
}

.xk3s-drawer-close-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--xk3s-radius-btn);
  border: 1px solid var(--xk3s-border-subtle);
  background: #ffffff;
  color: var(--xk3s-text-main);
  cursor: pointer;
  transition: all 0.15s ease;
  padding: 0;
  outline: none;
}

.xk3s-drawer-close-btn:hover {
  background: #f1f3f5;
  border-color: var(--xk3s-border-medium);
  color: #c01c28;
  transform: scale(1.05);
}

.xk3s-drawer-close-btn:active {
  transform: scale(0.95);
}

/* Filter / Search Box */
.xk3s-drawer-search-wrap {
  padding: 14px 20px;
  border-bottom: 1px solid var(--xk3s-border-subtle);
  background: #ffffff;
  flex-shrink: 0;
}

.xk3s-drawer-search-inner {
  position: relative;
  display: flex;
  align-items: center;
}

.xk3s-drawer-search-icon {
  position: absolute;
  left: 14px;
  color: var(--xk3s-text-dim);
  pointer-events: none;
}

.xk3s-drawer-search-input {
  width: 100%;
  padding: 10px 14px 10px 38px;
  border-radius: var(--xk3s-radius-pill);
  border: 1px solid var(--xk3s-border-medium);
  background: var(--xk3s-bg-canvas);
  font-family: var(--xk3s-font);
  font-size: 0.9rem;
  color: var(--xk3s-text-main);
  outline: none;
  transition: all 0.15s ease;
  box-sizing: border-box;
}

.xk3s-drawer-search-input::placeholder {
  color: var(--xk3s-text-dim);
}

.xk3s-drawer-search-input:focus {
  background: #ffffff;
  border-color: var(--xk3s-accent-blue);
  box-shadow: 0 0 0 3px rgba(28, 113, 216, 0.14);
}

/* Drawer Scrollable Body */
.xk3s-drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  -webkit-overflow-scrolling: touch;
}

/* Section Dividers */
.xk3s-drawer-section-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--xk3s-text-dim);
  padding: 12px 6px 4px;
}

.xk3s-drawer-section-title:first-child {
  padding-top: 0;
}

/* ==========================================================================
   3. MENU LIST ITEMS (CARDS / PILLS)
   ========================================================================== */
.xk3s-nav-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: var(--xk3s-radius-card);
  background: var(--xk3s-bg-surface);
  border: 1px solid var(--xk3s-border-subtle);
  color: var(--xk3s-text-main);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
  box-sizing: border-box;
}

.xk3s-nav-card:hover {
  background: var(--xk3s-bg-card-hover);
  border-color: var(--xk3s-border-medium);
  transform: translateY(-1px);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.06);
}

.xk3s-nav-card:active {
  transform: scale(0.98);
}

.xk3s-nav-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--xk3s-bg-canvas);
  border: 1px solid var(--xk3s-border-subtle);
  color: var(--xk3s-text-muted);
  flex-shrink: 0;
  transition: all 0.15s ease;
}

.xk3s-nav-card:hover .xk3s-nav-card-icon {
  background: #ffffff;
  color: var(--xk3s-accent-blue);
  border-color: var(--xk3s-border-medium);
}

.xk3s-nav-card-label {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 0.92rem;
}

.xk3s-nav-arrow {
  color: var(--xk3s-text-dim);
  font-size: 0.85rem;
  flex-shrink: 0;
  font-weight: 700;
}

/* Active Page Highlight */
.xk3s-nav-card.active-page,
.xk3s-nav-card.is-active {
  background: var(--xk3s-accent-blue-bg) !important;
  border-color: var(--xk3s-accent-blue-border) !important;
  color: var(--xk3s-accent-blue) !important;
  font-weight: 700 !important;
  box-shadow: 0 2px 8px rgba(28, 113, 216, 0.12);
}

.xk3s-nav-card.active-page .xk3s-nav-card-icon,
.xk3s-nav-card.is-active .xk3s-nav-card-icon {
  background: var(--xk3s-accent-blue) !important;
  color: #ffffff !important;
  border-color: var(--xk3s-accent-blue) !important;
}

.xk3s-active-badge {
  display: none;
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 2px 8px;
  border-radius: var(--xk3s-radius-pill);
  background: var(--xk3s-accent-blue);
  color: #ffffff;
  margin-left: auto;
  margin-right: 4px;
}

.xk3s-nav-card.active-page .xk3s-active-badge,
.xk3s-nav-card.is-active .xk3s-active-badge {
  display: inline-block;
}

/* No Results Filter State */
.xk3s-nav-no-results {
  display: none;
  text-align: center;
  padding: 32px 16px;
  color: var(--xk3s-text-dim);
  font-size: 0.88rem;
  background: var(--xk3s-bg-canvas);
  border-radius: var(--xk3s-radius-card);
  border: 1px dashed var(--xk3s-border-medium);
  margin-top: 8px;
}
/* ==========================================================================
   xk3s Unified Header Navigation & Mobile Drawer System
   Light-Mode GNOME Adwaita Palette • Responsive Slide-in / Modal Drawer
   Sticky Top Navigation Bar & Unified Brand Identity
   ========================================================================== */

:root {
  --xk3s-bg-canvas: #f6f8fa;
  --xk3s-bg-surface: #ffffff;
  --xk3s-bg-card-hover: #f1f3f5;
  --xk3s-border-subtle: rgba(0, 0, 0, 0.08);
  --xk3s-border-medium: rgba(0, 0, 0, 0.16);
  --xk3s-text-main: #1c1d1f;
  --xk3s-text-muted: #5e6066;
  --xk3s-text-dim: #8c8e94;
  --xk3s-accent-blue: #1c71d8;
  --xk3s-accent-blue-bg: rgba(28, 113, 216, 0.08);
  --xk3s-accent-blue-border: rgba(28, 113, 216, 0.35);
  --xk3s-radius-btn: 10px;
  --xk3s-radius-card: 12px;
  --xk3s-radius-pill: 9999px;
  --xk3s-font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --xk3s-font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;
}

/* Scroll Lock when Drawer is Open */
body.xk3s-drawer-open {
  overflow: hidden !important;
  touch-action: none;
}

/* ==========================================================================
   1. TOP NAVIGATION BAR (Sticky across all pages)
   ========================================================================== */
.xk3s-header-nav, header.header-nav, header.xk3s-header-nav {
  position: sticky !important;
  top: 0 !important;
  z-index: 999 !important;
  background: rgba(246, 248, 250, 0.94) !important;
  backdrop-filter: blur(12px) !important;
  -webkit-backdrop-filter: blur(12px) !important;
  border-bottom: 1px solid var(--xk3s-border-subtle) !important;
  width: 100% !important;
  box-sizing: border-box !important;
  font-family: var(--xk3s-font) !important;
}

.xk3s-nav-inner, .nav-inner {
  max-width: 1480px;
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  box-sizing: border-box;
}

/* Left Brand Group (Entire block clickable, links to homepage) */
.xk3s-brand-group, .brand-group, a.brand-group, a.xk3s-brand-group {
  display: flex !important;
  align-items: center !important;
  gap: 12px !important;
  text-decoration: none !important;
  color: var(--xk3s-text-main) !important;
  flex-shrink: 0 !important;
  cursor: pointer !important;
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.xk3s-brand-group:hover, .brand-group:hover {
  opacity: 0.92;
  transform: translateY(-0.5px);
}

.xk3s-brand-logo, .brand-logo, .brand-badge {
  width: 38px !important;
  height: 38px !important;
  border-radius: var(--xk3s-radius-btn) !important;
  background: #ffffff !important;
  border: 1px solid var(--xk3s-border-subtle) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05) !important;
  flex-shrink: 0 !important;
  overflow: hidden !important;
  cursor: pointer !important;
}

.xk3s-brand-logo img, .brand-logo img, .brand-badge img {
  display: block !important;
  width: 32px !important;
  height: 32px !important;
  pointer-events: none !important;
}

.xk3s-brand-title-wrap, .brand-title-wrap {
  display: flex !important;
  flex-direction: column !important;
  line-height: 1.25 !important;
  cursor: pointer !important;
}

.xk3s-brand-name, .brand-name, .brand-title {
  display: block !important;
  font-size: 1.15rem !important;
  font-weight: 800 !important;
  letter-spacing: -0.02em !important;
  color: var(--xk3s-text-main) !important;
  cursor: pointer !important;
}

.xk3s-brand-tag, .brand-tag, .brand-sub {
  display: block !important;
  font-size: 0.72rem !important;
  font-weight: 600 !important;
  color: var(--xk3s-text-muted) !important;
  text-transform: uppercase !important;
  letter-spacing: 0.04em !important;
  cursor: pointer !important;
}

/* Ensure brand-tag is never hidden on any screen size */
@media (max-width: 600px) {
  .xk3s-brand-tag, .brand-tag {
    display: block !important;
    font-size: 0.65rem !important;
  }
  .xk3s-brand-name, .brand-name {
    font-size: 1.05rem !important;
  }
}

@media (max-width: 380px) {
  .xk3s-brand-tag, .brand-tag {
    display: block !important;
    font-size: 0.58rem !important;
  }
  .xk3s-brand-name, .brand-name {
    font-size: 0.98rem !important;
  }
  .xk3s-nav-inner, .nav-inner {
    padding: 8px 12px !important;
  }
}

/* Right Hamburger Button */
.xk3s-hamburger-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--xk3s-radius-btn);
  border: 1px solid var(--xk3s-border-medium);
  background: var(--xk3s-bg-canvas);
  color: var(--xk3s-text-main);
  cursor: pointer;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  padding: 0;
  flex-shrink: 0;
  outline: none;
}

.xk3s-hamburger-btn:hover {
  background: #e9ecef;
  border-color: rgba(0, 0, 0, 0.24);
  color: var(--xk3s-accent-blue);
  transform: translateY(-1px);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.08);
}

.xk3s-hamburger-btn:active {
  transform: scale(0.95);
}

.xk3s-hamburger-btn svg {
  display: block;
  stroke: currentColor;
}

/* ==========================================================================
   2. MOBILE DRAWER & MODAL OVERLAY
   ========================================================================== */

/* Semi-transparent Backdrop */
.xk3s-drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 10000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.xk3s-drawer-backdrop.active,
.xk3s-drawer-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

/* Slide-in Drawer Container */
.xk3s-drawer-modal {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 400px;
  background: #ffffff;
  z-index: 10001;
  display: flex;
  flex-direction: column;
  box-shadow: -10px 0 36px rgba(0, 0, 0, 0.18);
  transform: translateX(100%);
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  box-sizing: border-box;
  font-family: var(--xk3s-font);
}

@media (max-width: 440px) {
  .xk3s-drawer-modal {
    max-width: 100%;
  }
}

.xk3s-drawer-modal.active,
.xk3s-drawer-modal.open {
  transform: translateX(0);
}

/* Drawer Header */
.xk3s-drawer-header {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--xk3s-border-subtle);
  background: rgba(246, 248, 250, 0.96);
  flex-shrink: 0;
}

.xk3s-drawer-close-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--xk3s-radius-btn);
  border: 1px solid var(--xk3s-border-subtle);
  background: #ffffff;
  color: var(--xk3s-text-main);
  cursor: pointer;
  transition: all 0.15s ease;
  padding: 0;
  outline: none;
}

.xk3s-drawer-close-btn:hover {
  background: #f1f3f5;
  border-color: var(--xk3s-border-medium);
  color: #c01c28;
  transform: scale(1.05);
}

.xk3s-drawer-close-btn:active {
  transform: scale(0.95);
}

/* Filter / Search Box */
.xk3s-drawer-search-wrap {
  padding: 14px 20px;
  border-bottom: 1px solid var(--xk3s-border-subtle);
  background: #ffffff;
  flex-shrink: 0;
}

.xk3s-drawer-search-inner {
  position: relative;
  display: flex;
  align-items: center;
}

.xk3s-drawer-search-icon {
  position: absolute;
  left: 14px;
  color: var(--xk3s-text-dim);
  pointer-events: none;
}

.xk3s-drawer-search-input {
  width: 100%;
  padding: 10px 14px 10px 38px;
  border-radius: var(--xk3s-radius-pill);
  border: 1px solid var(--xk3s-border-medium);
  background: var(--xk3s-bg-canvas);
  font-family: var(--xk3s-font);
  font-size: 0.9rem;
  color: var(--xk3s-text-main);
  outline: none;
  transition: all 0.15s ease;
  box-sizing: border-box;
}

.xk3s-drawer-search-input::placeholder {
  color: var(--xk3s-text-dim);
}

.xk3s-drawer-search-input:focus {
  background: #ffffff;
  border-color: var(--xk3s-accent-blue);
  box-shadow: 0 0 0 3px rgba(28, 113, 216, 0.14);
}

/* Drawer Scrollable Body */
.xk3s-drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  -webkit-overflow-scrolling: touch;
}

/* Section Dividers */
.xk3s-drawer-section-title {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--xk3s-text-dim);
  padding: 12px 6px 4px;
}

.xk3s-drawer-section-title:first-child {
  padding-top: 0;
}

/* ==========================================================================
   3. MENU LIST ITEMS (CARDS / PILLS)
   ========================================================================== */
.xk3s-nav-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: var(--xk3s-radius-card);
  background: var(--xk3s-bg-surface);
  border: 1px solid var(--xk3s-border-subtle);
  color: var(--xk3s-text-main);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
  box-sizing: border-box;
}

.xk3s-nav-card:hover {
  background: var(--xk3s-bg-card-hover);
  border-color: var(--xk3s-border-medium);
  transform: translateY(-1px);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.06);
}

.xk3s-nav-card:active {
  transform: scale(0.98);
}

.xk3s-nav-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--xk3s-bg-canvas);
  border: 1px solid var(--xk3s-border-subtle);
  color: var(--xk3s-text-muted);
  flex-shrink: 0;
  transition: all 0.15s ease;
}

.xk3s-nav-card:hover .xk3s-nav-card-icon {
  background: #ffffff;
  color: var(--xk3s-accent-blue);
  border-color: var(--xk3s-border-medium);
}

.xk3s-nav-card-label {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 0.92rem;
}

.xk3s-nav-arrow {
  color: var(--xk3s-text-dim);
  font-size: 0.85rem;
  flex-shrink: 0;
  font-weight: 700;
}

/* Active Page Highlight */
.xk3s-nav-card.active-page,
.xk3s-nav-card.is-active {
  background: var(--xk3s-accent-blue-bg) !important;
  border-color: var(--xk3s-accent-blue-border) !important;
  color: var(--xk3s-accent-blue) !important;
  font-weight: 700 !important;
  box-shadow: 0 2px 8px rgba(28, 113, 216, 0.12);
}

.xk3s-nav-card.active-page .xk3s-nav-card-icon,
.xk3s-nav-card.is-active .xk3s-nav-card-icon {
  background: var(--xk3s-accent-blue) !important;
  color: #ffffff !important;
  border-color: var(--xk3s-accent-blue) !important;
}

.xk3s-active-badge {
  display: none;
  font-size: 0.65rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 2px 8px;
  border-radius: var(--xk3s-radius-pill);
  background: var(--xk3s-accent-blue);
  color: #ffffff;
  margin-left: auto;
  margin-right: 4px;
}

.xk3s-nav-card.active-page .xk3s-active-badge,
.xk3s-nav-card.is-active .xk3s-active-badge {
  display: inline-block;
}

/* No Results Filter State */
.xk3s-nav-no-results {
  display: none;
  text-align: center;
  padding: 32px 16px;
  color: var(--xk3s-text-dim);
  font-size: 0.88rem;
  background: var(--xk3s-bg-canvas);
  border-radius: var(--xk3s-radius-card);
  border: 1px dashed var(--xk3s-border-medium);
  margin-top: 8px;
}

/* All authored fleet portals use light mode exclusively. */
:root,html,html[data-theme],html[data-theme-setting]{
 color-scheme:light!important;
 --bg-canvas:#f6f8fa!important;--bg-base:#f6f8fa!important;--bg-primary:#f6f8fa!important;--bg-main:#f6f8fa!important;--bg:#f6f8fa!important;--xk3s-canvas:#f6f8fa!important;
 --bg-surface:#ffffff!important;--bg-surface-2:#f1f3f5!important;--bg-card:#ffffff!important;--bg-card-hover:#f1f3f5!important;--bg-elevated:#eef1f4!important;--bg-header:rgba(246,248,250,.96)!important;--bg-code:#eef1f4!important;--card:#ffffff!important;
 --text-main:#1c1d1f!important;--text-primary:#1c1d1f!important;--text:#1c1d1f!important;--text-muted:#5e6066!important;--text-secondary:#5e6066!important;--text-tertiary:#667085!important;--text-dim:#667085!important;--muted:#5e6066!important;
 --border-subtle:rgba(0,0,0,.10)!important;--border-dim:rgba(0,0,0,.10)!important;--border-medium:rgba(0,0,0,.18)!important;--border-highlight:rgba(28,113,216,.4)!important;--border-glow:rgba(28,113,216,.25)!important;--card-border:#dfe3e8!important;--border:#dfe3e8!important;
 --tactical-cyan:#1c71d8!important;--tactical-emerald:#187843!important;--tactical-amber:#986500!important;--tactical-crimson:#c01b32!important;--accent-cyan:#1c71d8!important;--cyan:#1c71d8!important;--emerald:#187843!important;--amber:#986500!important;
 --infra-bg:#f6f8fa!important;--infra-border:#cbd5e1!important;--pill-bg:#edf1f5!important;--input-bg:#ffffff!important;--toast-bg:#ffffff!important;
 --splunk-bg:#f6f8fa!important;--splunk-header:#eef1f4!important;--splunk-card:#ffffff!important;--splunk-border:#dfe3e8!important;--dd-bg-main:#f6f8fa!important;--dd-bg-card:#ffffff!important;--dd-border:#dfe3e8!important;--db-bg-dark:#f6f8fa!important;--db-bg-sidebar:#eef1f4!important;--db-border:#dfe3e8!important;--wb-bg:#f6f8fa!important;
}
html,body{background:#f6f8fa!important;color:#1c1d1f!important}
input,select,textarea{color-scheme:light!important;color:#1c1d1f;background-color:#fff}
.theme-switcher,.theme-selector,.appearance-switcher,#xk3s-theme-switcher,#xk3s-theme-toggle,#themeToggle,[aria-label="Toggle dark mode"]{display:none!important}
.login-card,.login-box,.login-overlay,.auth-overlay,.portal-card,.modal-content,.drawer,.site-more-menu{background:#fff!important;color:#1c1d1f!important}
.fleet-log-box,pre{color:#273244}
a{color:#1c71d8}