/* ═══════════════════════════════════════════════════════════════════════════════
   BREACHBOARD DESIGN UPGRADE 2026
   Modern cyber-noir aesthetic with enhanced visual hierarchy, animations,
   and polished UI components.
   ═══════════════════════════════════════════════════════════════════════════════ */

/* ──────────────────────────────────────────────────────────────────────────────
   1. MODERNIZED COLOR SYSTEM & ROOT VARIABLES
   ────────────────────────────────────────────────────────────────────────────── */

:root {
  /* Core Dark Theme - Enhanced Depth */
  --bg-primary: #090a0c;
  --bg-secondary: #0d0f14;
  --bg-tertiary: #11141a;
  --bg-elevated: #161921;
  --bg-card: #1a1d26;
  --bg-hover: #1e222d;
  
  /* Surface Layers */
  --surface-primary: #1c2029;
  --surface-secondary: #212630;
  --surface-tertiary: #262b37;
  --surface-elevated: #2a303d;
  
  /* Border System - Subtle Layering */
  --border-subtle: rgba(255, 255, 255, 0.04);
  --border-light: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.12);
  --border-strong: rgba(255, 255, 255, 0.18);
  --border-accent: rgba(52, 152, 219, 0.4);
  
  /* Text Colors - Improved Contrast */
  --text-primary: #ffffff;
  --text-secondary: #e2e8f0;
  --text-tertiary: #94a3b8;
  --text-muted: #64748b;
  --text-subtle: #475569;
  
  /* Accent Colors - Neon Cyber Theme */
  --accent-blue: #3498db;
  --accent-blue-light: #5dade2;
  --accent-blue-dark: #2980b9;
  --accent-cyan: #00d4ff;
  --accent-purple: #a855f7;
  --accent-pink: #ec4899;
  --accent-green: #10b981;
  --accent-orange: #f97316;
  --accent-red: #ef4444;
  
  /* Glow Effects */
  --glow-blue: 0 0 20px rgba(52, 152, 219, 0.3);
  --glow-cyan: 0 0 20px rgba(0, 212, 255, 0.25);
  --glow-purple: 0 0 20px rgba(168, 85, 247, 0.25);
  --glow-green: 0 0 20px rgba(16, 185, 129, 0.25);
  
  /* Enhanced Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.6);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.7);
  --shadow-inset: inset 0 1px 0 rgba(255, 255, 255, 0.05);
  
  /* Border Radius - Consistent System */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  
  /* Spacing Scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Background Gradients */
  --bg-gradient-mesh: 
    radial-gradient(ellipse 120% 60% at 50% -10%, rgba(52, 152, 219, 0.08), transparent 50%),
    radial-gradient(ellipse 80% 40% at 80% 100%, rgba(168, 85, 247, 0.05), transparent 40%),
    linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-tertiary) 100%);
  
  /* Header Gradient */
  --header-gradient: linear-gradient(180deg, 
    rgba(30, 74, 114, 0.9) 0%, 
    rgba(22, 33, 48, 0.95) 50%, 
    rgba(18, 26, 38, 1) 100%);
}

/* ──────────────────────────────────────────────────────────────────────────────
   2. GLOBAL ENHANCEMENTS
   ────────────────────────────────────────────────────────────────────────────── */

body {
  background: var(--bg-gradient-mesh);
  background-attachment: fixed;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
}

/* Scrollbar Styling - Modern Dark */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-elevated);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
  background: var(--surface-tertiary);
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-elevated);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-strong);
}

/* Selection Colors */
::selection {
  background: rgba(52, 152, 219, 0.3);
  color: var(--text-primary);
}

/* ──────────────────────────────────────────────────────────────────────────────
   3. TOP NAVIGATION UPGRADE
   ────────────────────────────────────────────────────────────────────────────── */

#topnav {
  background: linear-gradient(180deg, 
    rgba(13, 15, 20, 0.98) 0%, 
    rgba(9, 10, 12, 0.99) 100%);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-medium);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
}

.topnav-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

#siteBrand {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
  transition: var(--transition-fast);
}

#siteBrand:hover {
  filter: drop-shadow(0 0 8px rgba(52, 152, 219, 0.5));
  transform: scale(1.02);
}

/* Navigation Links - Modern Pills */
#navLinks a {
  position: relative;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  color: var(--text-tertiary);
  font-weight: 500;
  font-size: 13px;
  transition: all var(--transition-fast);
  overflow: hidden;
}

#navLinks a::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, 
    rgba(52, 152, 219, 0.1), 
    rgba(0, 212, 255, 0.05));
  opacity: 0;
  transition: opacity var(--transition-fast);
  border-radius: inherit;
}

#navLinks a:hover {
  color: var(--text-primary);
  background: var(--surface-primary);
}

#navLinks a:hover::before {
  opacity: 1;
}

#navLinks a.active {
  color: var(--text-primary);
  background: linear-gradient(135deg, 
    rgba(52, 152, 219, 0.15), 
    rgba(0, 212, 255, 0.1));
  border: 1px solid var(--border-accent);
}

#navLinks a.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 20%;
  right: 20%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
  border-radius: var(--radius-full);
}

/* ──────────────────────────────────────────────────────────────────────────────
   4. HERO BANNER UPGRADE
   ────────────────────────────────────────────────────────────────────────────── */

#hero-band {
  background: linear-gradient(180deg, 
    rgba(22, 33, 48, 0.6) 0%, 
    rgba(13, 15, 20, 0.8) 100%);
  border-bottom: 1px solid var(--border-medium);
  position: relative;
  overflow: hidden;
}

#hero-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(52, 152, 219, 0.1), transparent),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 50px,
      rgba(52, 152, 219, 0.02) 50px,
      rgba(52, 152, 219, 0.02) 51px
    );
  pointer-events: none;
}

.hero-banner-img {
  filter: drop-shadow(0 4px 20px rgba(0, 0, 0, 0.5));
  transition: var(--transition-base);
}

.hero-banner-img:hover {
  transform: translateY(-2px);
  filter: drop-shadow(0 8px 30px rgba(52, 152, 219, 0.2));
}

/* ──────────────────────────────────────────────────────────────────────────────
   5. CATEGORY TABS UPGRADE
   ────────────────────────────────────────────────────────────────────────────── */

#cat-tabs-bar {
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-medium);
  padding: var(--space-3) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}

#catTabs {
  display: flex;
  gap: var(--space-2);
  padding: 0 var(--space-4);
  max-width: 1400px;
  margin: 0 auto;
  overflow-x: auto;
  scrollbar-width: none;
}

#catTabs::-webkit-scrollbar {
  display: none;
}

#catTabs li {
  flex-shrink: 0;
}

#catTabs a {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  background: var(--surface-primary);
  border: 1px solid var(--border-light);
  color: var(--text-tertiary);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

#catTabs a:hover {
  background: var(--surface-secondary);
  border-color: var(--border-medium);
  color: var(--text-secondary);
  transform: translateY(-1px);
}

#catTabs a.active {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-dark));
  border-color: transparent;
  color: white;
  box-shadow: var(--glow-blue);
}

/* ──────────────────────────────────────────────────────────────────────────────
   6. CATEGORY SECTIONS - MODERN CARDS
   ────────────────────────────────────────────────────────────────────────────── */

.category-section {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  margin-bottom: var(--space-4);
}

.category-section:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-lg), var(--glow-blue);
  transform: translateY(-2px);
}

.category-header {
  background: linear-gradient(90deg, 
    rgba(52, 152, 219, 0.15) 0%, 
    rgba(0, 212, 255, 0.05) 50%,
    transparent 100%);
  border-bottom: 1px solid var(--border-light);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--text-primary);
  position: relative;
  overflow: hidden;
}

.category-header::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--accent-blue), var(--accent-cyan));
  opacity: 0.8;
}

.category-header .cat-icon {
  color: var(--accent-blue-light);
  font-size: 14px;
  filter: drop-shadow(0 0 4px rgba(52, 152, 219, 0.5));
}

/* ──────────────────────────────────────────────────────────────────────────────
   7. FORUM ROWS - ENHANCED LIST ITEMS
   ────────────────────────────────────────────────────────────────────────────── */

.forum-row {
  display: grid;
  grid-template-columns: 52px 1fr 70px 70px 200px;
  gap: var(--space-3);
  align-items: center;
  padding: var(--space-4);
  border-top: 1px solid var(--border-subtle);
  background: transparent;
  transition: all var(--transition-fast);
  position: relative;
}

.forum-row:first-child {
  border-top: none;
}

.forum-row:hover {
  background: linear-gradient(90deg, 
    rgba(52, 152, 219, 0.05) 0%, 
    rgba(52, 152, 219, 0.02) 50%,
    transparent 100%);
}

.forum-row::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 60%;
  background: linear-gradient(180deg, var(--accent-blue), var(--accent-cyan));
  border-radius: 0 2px 2px 0;
  transition: width var(--transition-fast);
  opacity: 0.7;
}

.forum-row:hover::before {
  width: 3px;
}

/* Forum Icons - Animated */
.forum-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, 
    rgba(52, 152, 219, 0.15), 
    rgba(0, 212, 255, 0.08));
  border: 1px solid var(--border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--accent-blue-light);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.forum-icon::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.1), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.forum-row:hover .forum-icon {
  transform: scale(1.05);
  box-shadow: var(--glow-blue);
  border-color: var(--accent-blue-light);
}

.forum-row:hover .forum-icon::after {
  opacity: 1;
}

/* Forum Info */
.forum-info h4 {
  font-size: 14px;
  font-weight: 700;
  margin: 0 0 var(--space-1);
}

.forum-info h4 a {
  color: var(--text-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.forum-info h4 a:hover {
  color: var(--accent-blue-light);
}

.forum-info p {
  color: var(--text-muted);
  font-size: 12px;
  margin: 0;
  line-height: 1.5;
}

/* Stats Columns */
.forum-stats {
  text-align: center;
  padding: var(--space-2);
}

.forum-stats .number {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.forum-stats .label {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Last Post */
.forum-lastpost {
  font-size: 12px;
  color: var(--text-tertiary);
  padding-left: var(--space-3);
  border-left: 1px solid var(--border-light);
}

.forum-lastpost a {
  color: var(--accent-blue-light);
  font-weight: 600;
}

.forum-lastpost .time {
  color: var(--text-muted);
  font-size: 11px;
}

/* ──────────────────────────────────────────────────────────────────────────────
   8. SIDEBAR WIDGETS UPGRADE
   ────────────────────────────────────────────────────────────────────────────── */

#sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.sidebar-box {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.sidebar-box:hover {
  border-color: var(--border-medium);
  box-shadow: var(--shadow-lg);
}

.sidebar-title {
  background: linear-gradient(90deg, 
    var(--surface-primary) 0%, 
    var(--surface-secondary) 100%);
  border-bottom: 1px solid var(--border-light);
  padding: var(--space-3) var(--space-4);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.sidebar-title i {
  color: var(--accent-blue);
  font-size: 13px;
}

/* Shoutbox Enhancement */
#shoutbox .shout-messages {
  background: var(--bg-elevated);
  max-height: 300px;
  padding: var(--space-3);
}

.shout-msg {
  background: var(--surface-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  margin-bottom: var(--space-2);
  transition: all var(--transition-fast);
}

.shout-msg:hover {
  border-color: var(--border-light);
  transform: translateX(2px);
}

/* Activity List Enhancement */
.activity-list {
  padding: var(--space-2);
}

.activity-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  border-bottom: 1px solid var(--border-subtle);
}

.activity-item:last-child {
  border-bottom: none;
}

.activity-item:hover {
  background: var(--surface-primary);
}

/* Stats Grid Enhancement */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
  padding: var(--space-3);
}

.stat-item {
  background: var(--surface-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  text-align: center;
  transition: all var(--transition-fast);
}

.stat-item:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

.stat-item .number {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-primary);
  font-family: var(--font-mono);
  display: block;
  margin-bottom: var(--space-1);
}

.stat-item .label {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ──────────────────────────────────────────────────────────────────────────────
   9. MODERN BUTTONS
   ────────────────────────────────────────────────────────────────────────────── */

.btn {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 13px;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, 
    rgba(255, 255, 255, 0.1), 
    transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::before {
  opacity: 1;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-blue-dark));
  color: white;
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(52, 152, 219, 0.4), var(--glow-blue);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--surface-secondary);
  color: var(--text-secondary);
  border-color: var(--border-light);
}

.btn-secondary:hover {
  background: var(--surface-tertiary);
  border-color: var(--border-medium);
  color: var(--text-primary);
}

.btn-danger {
  background: linear-gradient(135deg, var(--accent-red), #dc2626);
  color: white;
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.25);
}

.btn-danger:hover {
  box-shadow: 0 6px 20px rgba(239, 68, 68, 0.35);
}

/* Glitch Effect Enhancement */
.bb-btn-glitch {
  position: relative;
  overflow: hidden;
}

.bb-btn-glitch::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(255, 255, 255, 0.03) 2px,
    rgba(255, 255, 255, 0.03) 4px
  );
  animation: glitch-scan 8s linear infinite;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.bb-btn-glitch:hover::after {
  opacity: 1;
}

@keyframes glitch-scan {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100%); }
}

/* ──────────────────────────────────────────────────────────────────────────────
   10. BREADCRUMB UPGRADE
   ────────────────────────────────────────────────────────────────────────────── */

#breadcrumb-bar {
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-light);
  padding: var(--space-3) 0;
}

.breadcrumb-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

#breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 13px;
  color: var(--text-muted);
}

#breadcrumb a {
  color: var(--text-tertiary);
  font-weight: 600;
  transition: color var(--transition-fast);
}

#breadcrumb a:hover {
  color: var(--accent-blue-light);
}

#breadcrumb .hash {
  color: var(--accent-blue);
  font-weight: 800;
}

/* ──────────────────────────────────────────────────────────────────────────────
   11. STATUS BAR ENHANCEMENT
   ────────────────────────────────────────────────────────────────────────────── */

.statusbar {
  background: linear-gradient(90deg, 
    rgba(16, 185, 129, 0.1) 0%, 
    rgba(52, 152, 219, 0.05) 50%,
    rgba(168, 85, 247, 0.1) 100%);
  border-bottom: 1px solid var(--border-light);
  padding: var(--space-2) var(--space-4);
  font-size: 12px;
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* ──────────────────────────────────────────────────────────────────────────────
   12. ANIMATION UTILITIES
   ────────────────────────────────────────────────────────────────────────────── */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 5px rgba(52, 152, 219, 0.3);
  }
  50% {
    box-shadow: 0 0 20px rgba(52, 152, 219, 0.5);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-fade-in {
  animation: fadeInUp 0.4s ease-out;
}

.animate-slide-in {
  animation: slideIn 0.3s ease-out;
}

.animate-pulse-glow {
  animation: pulse-glow 2s ease-in-out infinite;
}

/* ──────────────────────────────────────────────────────────────────────────────
   13. RESPONSIVE ENHANCEMENTS
   ────────────────────────────────────────────────────────────────────────────── */

@media (max-width: 1200px) {
  .forum-row {
    grid-template-columns: 48px 1fr 60px 60px 160px;
  }
}

@media (max-width: 992px) {
  .forum-row {
    grid-template-columns: 48px 1fr 60px 60px;
  }
  
  .forum-lastpost {
    display: none;
  }
}

@media (max-width: 768px) {
  .forum-row {
    grid-template-columns: 40px 1fr;
    gap: var(--space-3);
  }
  
  .forum-stats {
    display: none;
  }
  
  #wrapper {
    grid-template-columns: 1fr;
  }
  
  #sidebar {
    order: 2;
  }
}

/* ──────────────────────────────────────────────────────────────────────────────
   14. UTILITY CLASSES
   ────────────────────────────────────────────────────────────────────────────── */

.glass {
  background: rgba(26, 29, 38, 0.8);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-light);
}

.neon-text {
  text-shadow: 0 0 10px currentColor;
}

.neon-border {
  box-shadow: 0 0 10px rgba(52, 152, 219, 0.3), inset 0 0 10px rgba(52, 152, 219, 0.1);
}

.gradient-border {
  position: relative;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
}

.gradient-border::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}