/* 🚀 BRAINYS FUTURISTIC DESIGN SYSTEM 🚀 */

/* =====================================================
   CORE VARIABLES & CUSTOM PROPERTIES
   ===================================================== */

:root {
  /* 🎨 CYBERPUNK COLOR PALETTE */
  --cyber-blue: #00F5FF;
  --neon-purple: #8A2BE2;
  --electric-green: #39FF14;
  --plasma-pink: #FF1493;
  --quantum-orange: #FF6B35;
  --neural-cyan: #00FFFF;
  
  /* 🌌 DARK THEME FOUNDATION */
  --void-black: #0A0A0F;
  --space-gray: #1A1A2E;
  --quantum-dark: #16213E;
  --nebula-purple: #0F0F23;
  --cosmic-blue: #0D1B2A;
  
  /* ✨ GLASSMORPHISM */
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-blur: blur(20px);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  
  /* 🌈 DYNAMIC GRADIENTS */
  --neural-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --quantum-gradient: linear-gradient(45deg, #f093fb 0%, #f5576c 100%);
  --cyber-gradient: linear-gradient(90deg, var(--cyber-blue) 0%, var(--neon-purple) 100%);
  --aurora-gradient: linear-gradient(135deg, var(--electric-green) 0%, var(--cyber-blue) 50%, var(--plasma-pink) 100%);
  --plasma-gradient: conic-gradient(from 0deg, var(--plasma-pink), var(--cyber-blue), var(--electric-green), var(--plasma-pink));
  
  /* 📏 SPACING & SIZING */
  --space-unit: 8px;
  --space-xs: calc(var(--space-unit) * 0.5);  /* 4px */
  --space-sm: var(--space-unit);              /* 8px */
  --space-md: calc(var(--space-unit) * 2);    /* 16px */
  --space-lg: calc(var(--space-unit) * 3);    /* 24px */
  --space-xl: calc(var(--space-unit) * 4);    /* 32px */
  --space-2xl: calc(var(--space-unit) * 6);   /* 48px */
  --space-3xl: calc(var(--space-unit) * 8);   /* 64px */
  
  /* 🔤 TYPOGRAPHY */
  --font-primary: 'Orbitron', 'Segoe UI', system-ui, sans-serif;
  --font-secondary: 'Rajdhani', 'Roboto', sans-serif;
  --font-code: 'Fira Code', 'Consolas', monospace;
  
  /* ⚡ ANIMATIONS */
  --ease-elastic: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --transition-fast: 0.15s var(--ease-smooth);
  --transition-normal: 0.3s var(--ease-smooth);
  --transition-slow: 0.6s var(--ease-smooth);
  
  /* 🎭 Z-INDEX LAYERS */
  --z-background: -1;
  --z-base: 0;
  --z-elevated: 10;
  --z-overlay: 100;
  --z-modal: 1000;
  --z-tooltip: 10000;
}

/* =====================================================
   GLOBAL RESET & BASE STYLES
   ===================================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-feature-settings: 'kern' 1, 'liga' 1;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  background: var(--void-black);
  color: white;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* =====================================================
   FUTURISTIC BACKGROUND SYSTEM
   ===================================================== */

.cosmic-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: var(--z-background);
  background: 
    radial-gradient(circle at 20% 80%, var(--neon-purple) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, var(--cyber-blue) 0%, transparent 50%),
    radial-gradient(circle at 40% 40%, var(--electric-green) 0%, transparent 50%),
    var(--void-black);
  opacity: 0.3;
  animation: cosmic-drift 20s ease-in-out infinite;
}

@keyframes cosmic-drift {
  0%, 100% { transform: scale(1) rotate(0deg); }
  50% { transform: scale(1.1) rotate(0.5deg); }
}

.particle-field {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-background);
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--cyber-blue);
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
  box-shadow: 0 0 6px var(--cyber-blue);
}

.particle:nth-child(2n) {
  background: var(--electric-green);
  box-shadow: 0 0 6px var(--electric-green);
  animation-delay: -2s;
}

.particle:nth-child(3n) {
  background: var(--plasma-pink);
  box-shadow: 0 0 6px var(--plasma-pink);
  animation-delay: -4s;
}

@keyframes float {
  0%, 100% { 
    transform: translateY(0) translateX(0) scale(1);
    opacity: 0;
  }
  10%, 90% { opacity: 1; }
  50% { 
    transform: translateY(-100px) translateX(50px) scale(1.2);
  }
}

/* =====================================================
   GLASSMORPHISM COMPONENTS
   ===================================================== */

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  box-shadow: var(--glass-shadow);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyber-blue), transparent);
  opacity: 0.6;
}

.glass-button {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: var(--space-md) var(--space-lg);
  color: white;
  font-family: var(--font-primary);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.glass-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s ease;
}

.glass-button:hover::before {
  left: 100%;
}

.glass-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 245, 255, 0.3);
  border-color: var(--cyber-blue);
}

.glass-button:active {
  transform: translateY(0);
}

/* =====================================================
   NEON EFFECTS & GLOW SYSTEM
   ===================================================== */

.neon-text {
  color: var(--cyber-blue);
  text-shadow: 
    0 0 5px var(--cyber-blue),
    0 0 10px var(--cyber-blue),
    0 0 15px var(--cyber-blue),
    0 0 20px var(--cyber-blue);
  animation: neon-flicker 2s infinite alternate;
}

@keyframes neon-flicker {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

.glow-border {
  position: relative;
  border-radius: 12px;
  padding: 2px;
  background: var(--cyber-gradient);
  animation: glow-pulse 2s ease-in-out infinite;
}

.glow-border::before {
  content: '';
  position: absolute;
  inset: 0;
  padding: 2px;
  background: var(--cyber-gradient);
  border-radius: inherit;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  animation: glow-rotate 4s linear infinite;
}

@keyframes glow-pulse {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.3); }
}

@keyframes glow-rotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* =====================================================
   3D TRANSFORM UTILITIES
   ===================================================== */

.transform-3d {
  transform-style: preserve-3d;
  perspective: 1000px;
}

.card-3d {
  transform-style: preserve-3d;
  transition: transform var(--transition-normal);
  cursor: pointer;
}

.card-3d:hover {
  transform: rotateY(10deg) rotateX(5deg) translateZ(20px);
}

.floating-element {
  animation: float-3d 6s ease-in-out infinite;
}

@keyframes float-3d {
  0%, 100% { transform: translateY(0) rotateZ(0deg); }
  50% { transform: translateY(-20px) rotateZ(2deg); }
}

/* =====================================================
   HOLOGRAPHIC EFFECTS
   ===================================================== */

.hologram {
  position: relative;
  background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
  background-size: 200% 200%;
  animation: hologram-scan 3s linear infinite;
}

.hologram::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 2px,
      rgba(0, 245, 255, 0.03) 2px,
      rgba(0, 245, 255, 0.03) 4px
    );
  pointer-events: none;
}

@keyframes hologram-scan {
  0% { background-position: -200% -200%; }
  100% { background-position: 200% 200%; }
}

/* =====================================================
   ENERGY PULSE ANIMATIONS
   ===================================================== */

.energy-pulse {
  position: relative;
  overflow: hidden;
}

.energy-pulse::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent, 
    var(--cyber-blue), 
    transparent
  );
  animation: energy-wave 2s infinite;
  opacity: 0.3;
}

@keyframes energy-wave {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* =====================================================
   QUANTUM LOADING ANIMATIONS
   ===================================================== */

.quantum-loader {
  display: inline-block;
  width: 40px;
  height: 40px;
  position: relative;
}

.quantum-loader::before,
.quantum-loader::after {
  content: '';
  position: absolute;
  border: 2px solid var(--cyber-blue);
  border-radius: 50%;
  animation: quantum-spin 1.5s linear infinite;
}

.quantum-loader::before {
  width: 100%;
  height: 100%;
  border-top-color: transparent;
  border-right-color: transparent;
}

.quantum-loader::after {
  width: 60%;
  height: 60%;
  top: 20%;
  left: 20%;
  border-bottom-color: transparent;
  border-left-color: transparent;
  animation-direction: reverse;
  animation-duration: 1s;
}

@keyframes quantum-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* =====================================================
   RESPONSIVE UTILITIES
   ===================================================== */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-auto {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-col {
  display: flex;
  flex-direction: column;
}

/* =====================================================
   ACCESSIBILITY ENHANCEMENTS
   ===================================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus indicators for keyboard navigation */
*:focus-visible {
  outline: 2px solid var(--cyber-blue);
  outline-offset: 2px;
  border-radius: 4px;
}

/* =====================================================
   ENHANCED ROOM CARDS & LOBBY STYLES
   ===================================================== */

/* 🏠 Lobby Section */
.lobby-section {
  margin: var(--space-3xl) 0;
  padding: var(--space-xl);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
  gap: var(--space-lg);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin: 0;
  background: var(--cyber-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 30px rgba(0, 245, 255, 0.3);
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin: var(--space-sm) 0 0 0;
  opacity: 0.8;
}

.quick-actions {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}

/* 🎮 Enhanced Room Cards */
.rooms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.room-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: var(--space-xl);
  backdrop-filter: var(--glass-blur);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.room-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--cyber-gradient);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.room-card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: var(--cyber-blue);
  box-shadow: 
    0 20px 40px rgba(0, 0, 0, 0.3),
    0 0 0 1px rgba(0, 245, 255, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.room-card:hover::before {
  opacity: 1;
}

/* 🏷️ Room Header */
.room-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-lg);
  gap: var(--space-md);
}

.room-title-section {
  flex: 1;
}

.room-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 var(--space-sm) 0;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.room-mode-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: rgba(0, 245, 255, 0.1);
  color: var(--cyber-blue);
  padding: var(--space-xs) var(--space-md);
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid rgba(0, 245, 255, 0.2);
}

.room-mode-badge i {
  font-size: 0.8rem;
}

/* 📊 Status Badges */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
}

.status-full {
  background: rgba(255, 107, 53, 0.15);
  color: var(--quantum-orange);
  border: 1px solid rgba(255, 107, 53, 0.3);
}

.status-empty {
  background: rgba(57, 255, 20, 0.15);
  color: var(--electric-green);
  border: 1px solid rgba(57, 255, 20, 0.3);
}

.status-waiting {
  background: rgba(255, 20, 147, 0.15);
  color: var(--plasma-pink);
  border: 1px solid rgba(255, 20, 147, 0.3);
}

/* 📈 Room Stats */
.room-stats {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.stat-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.3s ease;
}

.stat-item:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(0, 245, 255, 0.2);
}

.stat-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cyber-gradient);
  border-radius: 10px;
  color: white;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.stat-content {
  flex: 1;
  min-width: 0;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}

.stat-value {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.prize-value,
.entry-value {
  color: var(--electric-green);
}

.cell-icon {
  width: 16px;
  height: 16px;
  vertical-align: middle;
}

.current-count {
  color: var(--cyber-blue);
}

.max-count {
  color: var(--text-secondary);
}

.separator {
  color: var(--text-secondary);
  margin: 0 2px;
}

/* 📊 Progress Bar */
.progress-bar {
  width: 60px;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
  flex-shrink: 0;
}

.progress-fill {
  height: 100%;
  background: var(--cyber-gradient);
  border-radius: 3px;
  transition: width 0.3s ease;
  box-shadow: 0 0 8px rgba(0, 245, 255, 0.4);
}

/* 🎯 Room Actions */
.room-actions {
  display: flex;
  gap: var(--space-md);
  align-items: flex-end;
}

.access-code-section {
  flex: 1;
}

.join-input {
  width: 100%;
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.join-input:focus {
  outline: none;
  border-color: var(--cyber-blue);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 3px rgba(0, 245, 255, 0.1);
}

.join-input::placeholder {
  color: var(--text-secondary);
  opacity: 0.7;
}

.join-btn {
  padding: var(--space-md) var(--space-lg);
  background: var(--cyber-gradient);
  border: none;
  border-radius: 12px;
  color: white;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.join-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.join-btn:hover::before {
  left: 100%;
}

.join-btn:hover {
  transform: translateY(-2px);
  box-shadow: 
    0 8px 20px rgba(0, 245, 255, 0.3),
    0 0 0 1px rgba(0, 245, 255, 0.4);
}

.join-btn:disabled {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.join-btn:disabled:hover {
  transform: none;
  box-shadow: none;
}

.join-btn:disabled::before {
  display: none;
}

/* 📱 Responsive Design */
@media (max-width: 768px) {
  .rooms-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .room-card {
    padding: var(--space-lg);
  }
  
  .section-header {
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .quick-actions {
    justify-content: center;
  }
  
  .room-header {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-sm);
  }
  
  .room-actions {
    flex-direction: column;
    gap: var(--space-sm);
  }
  
  .join-btn {
    justify-content: center;
  }
  
  .stat-item {
    padding: var(--space-sm);
  }
  
  .stat-icon {
    width: 35px;
    height: 35px;
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .lobby-section {
    padding: var(--space-md);
  }
  
  .room-card {
    padding: var(--space-md);
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .room-title {
    font-size: 1.2rem;
  }
  
  .stat-value {
    font-size: 1rem;
  }
}

/* =====================================================
   PRINT STYLES
   ===================================================== */

@media print {
  .cosmic-background,
  .particle-field,
  .glass-card::before,
  .hologram::before {
    display: none !important;
  }
  
  .glass-card {
    background: white !important;
    color: black !important;
    border: 1px solid #ccc !important;
  }
}