/*
 * Concrete City Aesthetic
 * Pale, futuristic, cold, empty, beautiful, lifeless
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

:root {
  /* Concrete City Palette */
  --concrete-dark: #1a1a1a;
  --concrete-medium: #2d2d2d;
  --concrete-light: #4a4a4a;
  --concrete-pale: #8a8a8a;
  --concrete-white: #f5f5f5;
  --concrete-cool: #e8e8e8;
  --concrete-cold: #d0d0d0;
  
  /* Magical Accent Colors */
  --accent-warm: #c9a227;
  --accent-glow: #f4d03f;
  --accent-mystic: #9b59b6;
  --accent-ethereal: #3498db;
  --accent-ember: #e67e22;
  
  /* Accent colors */
  --accent-subtle: #a0a0a0;
  --accent-frost: #c0c0c0;
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 32px;
  --spacing-xl: 64px;
  
  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
  --transition-magical: 700ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  overflow-x: hidden;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--concrete-white);
  color: var(--concrete-dark);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
}

/* Subtle Noise Texture Overlay */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: 0.4;
}

/* Atmospheric vignette effect */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at center, 
    transparent 0%, 
    rgba(0, 0, 0, 0.02) 50%, 
    rgba(0, 0, 0, 0.05) 100%);
  pointer-events: none;
  z-index: 9998;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--concrete-dark);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

a {
  color: var(--concrete-medium);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--concrete-dark);
}

/* Container */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Full Screen Layout */
.concrete-layout {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
}

/* Floating Search Box - Top Center */
.floating-search {
  position: fixed;
  top: var(--spacing-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: 90%;
  max-width: 600px;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid var(--concrete-cold);
  border-radius: var(--radius-lg);
  padding: var(--spacing-sm) var(--spacing-md);
  box-shadow: 
    0 4px 20px rgba(0, 0, 0, 0.05),
    0 0 40px rgba(201, 162, 39, 0.03),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  transition: all var(--transition-magical);
}

.floating-search:hover,
.floating-search:focus-within {
  box-shadow: 
    0 8px 40px rgba(0, 0, 0, 0.12),
    0 0 60px rgba(201, 162, 39, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 0 0 1px rgba(201, 162, 39, 0.2);
  border-color: var(--concrete-light);
  transform: translateX(-50%) translateY(-2px);
}

.floating-search input {
  width: 100%;
  border: none;
  background: transparent;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  color: var(--concrete-dark);
  padding: var(--spacing-sm) 0;
  outline: none;
}

.floating-search input::placeholder {
  color: var(--concrete-pale);
  font-style: italic;
}

.floating-search .ai-indicator {
  position: absolute;
  right: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--concrete-pale);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Floating Menu - Bottom Left */
.floating-menu-container {
  position: fixed;
  bottom: var(--spacing-lg);
  left: var(--spacing-lg);
  z-index: 1000;
}

.floating-menu-trigger {
  width: 56px;
  height: 56px;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid var(--concrete-cold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 
    0 4px 20px rgba(0, 0, 0, 0.08),
    0 0 30px rgba(201, 162, 39, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  transition: all var(--transition-magical);
}

.floating-menu-trigger:hover {
  box-shadow: 
    0 8px 40px rgba(0, 0, 0, 0.15),
    0 0 50px rgba(201, 162, 39, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 0 0 2px rgba(201, 162, 39, 0.15);
  transform: scale(1.08) rotate(180deg);
}

.floating-menu-trigger svg {
  width: 24px;
  height: 24px;
  color: var(--concrete-medium);
  transition: all var(--transition-magical);
}

.floating-menu-trigger:hover svg {
  color: var(--accent-warm);
}

.floating-menu-content {
  position: absolute;
  bottom: calc(100% + var(--spacing-md));
  left: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border: 1px solid var(--concrete-cold);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  min-width: 220px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.95);
  transition: all var(--transition-magical);
  box-shadow: 
    0 8px 30px rgba(0, 0, 0, 0.1),
    0 0 40px rgba(201, 162, 39, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.floating-menu-container.active .floating-menu-content {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.floating-menu-content a {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--concrete-medium);
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.floating-menu-content a::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(201, 162, 39, 0.1), transparent);
  transition: left var(--transition-magical);
}

.floating-menu-content a:hover::before {
  left: 100%;
}

.floating-menu-content a:hover {
  background: linear-gradient(135deg, var(--concrete-cool), rgba(201, 162, 39, 0.05));
  color: var(--concrete-dark);
  transform: translateX(4px);
  text-shadow: 0 0 20px rgba(201, 162, 39, 0.2);
}

.floating-menu-content .menu-divider {
  height: 1px;
  background: var(--concrete-cold);
  margin: var(--spacing-sm) 0;
}

.floating-menu-content .menu-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--concrete-pale);
  padding: var(--spacing-sm) var(--spacing-md);
}

/* Gallery Grid */
.gallery-container {
  padding-top: 120px;
  padding-bottom: var(--spacing-xl);
  min-height: 100vh;
  position: relative;
}

/* Magical floating elements that break through */
.gallery-container::before {
  content: '';
  position: fixed;
  top: 20%;
  right: 10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(201, 162, 39, 0.03) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(60px);
  animation: float 20s ease-in-out infinite;
  pointer-events: none;
  z-index: -1;
}

.gallery-container::after {
  content: '';
  position: fixed;
  bottom: 20%;
  left: 5%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(52, 152, 219, 0.02) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(80px);
  animation: float 25s ease-in-out infinite reverse;
  pointer-events: none;
  z-index: -1;
}

@keyframes float {
  0%, 100% {
    transform: translate(0, 0) scale(1);
  }
  33% {
    transform: translate(30px, -30px) scale(1.1);
  }
  66% {
    transform: translate(-20px, 20px) scale(0.9);
  }
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  padding: var(--spacing-md);
  position: relative;
  z-index: 1;
}

/* Magical breaking-through cards - every 7th and 13th card */
.gallery-grid .game-card:nth-child(7n),
.gallery-grid .game-card:nth-child(13n) {
  grid-column: span 1;
  grid-row: span 1;
}

@media (min-width: 1200px) {
  .gallery-grid .game-card:nth-child(7n) {
    grid-column: span 2;
    grid-row: span 2;
  }
  
  .gallery-grid .game-card:nth-child(13n) {
    grid-column: span 2;
  }
}

/* Add magical accent glow to breaking-through cards */
.gallery-grid .game-card:nth-child(7n)::after,
.gallery-grid .game-card:nth-child(13n)::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, 
    var(--accent-warm), 
    var(--accent-mystic), 
    var(--accent-ethereal), 
    var(--accent-warm));
  border-radius: var(--radius-md);
  z-index: -1;
  opacity: 0;
  animation: magicalGlow 8s ease-in-out infinite;
  background-size: 400% 400%;
}

@keyframes magicalGlow {
  0%, 100% {
    opacity: 0;
    background-position: 0% 50%;
  }
  50% {
    opacity: 0.3;
    background-position: 100% 50%;
  }
}

/* Game Card */
.game-card {
  background: white;
  border: 1px solid var(--concrete-cold);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-magical);
  cursor: pointer;
  position: relative;
  box-shadow: 
    0 2px 8px rgba(0, 0, 0, 0.04),
    0 0 20px rgba(201, 162, 39, 0.02);
}

.game-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, 
    rgba(201, 162, 39, 0.02) 0%, 
    transparent 50%, 
    rgba(52, 152, 219, 0.02) 100%);
  opacity: 0;
  transition: opacity var(--transition-magical);
  pointer-events: none;
}

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

.game-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: 
    0 20px 60px rgba(0, 0, 0, 0.12),
    0 0 80px rgba(201, 162, 39, 0.08),
    0 0 0 1px rgba(201, 162, 39, 0.1);
  border-color: var(--concrete-light);
  z-index: 10;
}

.game-card-image {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--concrete-cool);
}

.game-card-image::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
  pointer-events: none;
}

.game-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-magical);
  filter: grayscale(20%);
}

.game-card:hover .game-card-image img {
  transform: scale(1.08);
  filter: grayscale(0%);
}

.game-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, 
    rgba(0, 0, 0, 0.7) 0%, 
    rgba(201, 162, 39, 0.1) 50%, 
    transparent 100%);
  opacity: 0;
  transition: opacity var(--transition-magical);
}

.game-card:hover .game-card-overlay {
  opacity: 1;
}

.game-card-content {
  padding: var(--spacing-md);
  position: relative;
  z-index: 2;
}

.game-card-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--concrete-dark);
  line-height: 1.3;
  transition: all var(--transition-magical);
  position: relative;
}

.game-card:hover .game-card-title {
  color: var(--accent-warm);
  text-shadow: 0 0 20px rgba(201, 162, 39, 0.3);
}

.game-card-category {
  font-size: 0.75rem;
  color: var(--concrete-pale);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
  transition: color var(--transition-magical);
}

.game-card:hover .game-card-category {
  color: var(--accent-mystic);
  text-shadow: 0 0 15px rgba(155, 89, 182, 0.3);
}

.game-card-description {
  font-size: 0.875rem;
  color: var(--concrete-light);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--concrete-pale);
}

.empty-state svg {
  width: 64px;
  height: 64px;
  margin-bottom: var(--spacing-md);
  color: var(--concrete-cold);
}

.empty-state h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--concrete-light);
}

/* Loading State */
.loading-state {
  text-align: center;
  padding: var(--spacing-xl);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 2px solid var(--concrete-cold);
  border-top-color: var(--concrete-medium);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto var(--spacing-md);
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 768px) {
  .floating-search {
    width: 95%;
    top: var(--spacing-md);
  }
  
  .floating-menu-container {
    bottom: var(--spacing-md);
    left: var(--spacing-md);
  }
  
  .gallery-container {
    padding-top: 100px;
  }
  
  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
    padding: var(--spacing-sm);
  }
  
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }
}

@media (max-width: 480px) {
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  
  .floating-search input {
    font-size: 0.875rem;
  }
}

/* Utility Classes */
.hidden {
  display: none !important;
}

.fade-in {
  animation: fadeIn var(--transition-magical) cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    filter: blur(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

/* Magical sparkle effect */
.game-card:nth-child(3n)::before {
  content: '';
  position: absolute;
  top: 10px;
  right: 10px;
  width: 4px;
  height: 4px;
  background: var(--accent-glow);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-glow), 0 0 20px var(--accent-glow);
  animation: sparkle 3s ease-in-out infinite;
  opacity: 0;
}

@keyframes sparkle {
  0%, 100% {
    opacity: 0;
    transform: scale(0);
  }
  50% {
    opacity: 1;
    transform: scale(1);
  }
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--concrete-cool);
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--concrete-light), var(--accent-warm));
  border-radius: 4px;
  box-shadow: 0 0 10px rgba(201, 162, 39, 0.3);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--concrete-medium), var(--accent-glow));
  box-shadow: 0 0 15px rgba(201, 162, 39, 0.5);
}