/**
 * Filbet Design.css - Core styles for Filbet gaming platform
 * Prefix: ui37- for all CSS classes to avoid conflicts
 * Mobile-first responsive design with 430px max width
 * Color palette: #C71585 | #DB7093 | #C0C0C0 | #2D2D2D | #FFAA00
 */

/* CSS Variables */
:root {
  --ui37-primary: #C71585;
  --ui37-secondary: #DB7093;
  --ui37-accent: #FFAA00;
  --ui37-bg: #f8f9fa;
  --ui37-surface: #ffffff;
  --ui37-text: #2D2D2D;
  --ui37-text-light: #C0C0C0;
  --ui37-text-dark: #1a1a1a;
  --ui37-border: #e5e7eb;
  --ui37-shadow: 0 2px 8px rgba(199, 21, 133, 0.15);
  --ui37-radius: 0.8rem;
  --ui37-spacing: 1rem;
  font-size: 62.5%; /* Base 10px for rem calculations */
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 1.6rem;
  line-height: 1.5;
  color: var(--ui37-text);
  background-color: var(--ui37-bg);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  margin-bottom: 1.2rem;
  font-weight: 700;
  color: var(--ui37-primary);
  line-height: 1.3;
}

h1 { font-size: 3.2rem; }
h2 { font-size: 2.6rem; }
h3 { font-size: 2.2rem; }
h4 { font-size: 1.9rem; }
h5 { font-size: 1.7rem; }
h6 { font-size: 1.5rem; }

p {
  margin-bottom: 1.6rem;
  line-height: 1.6;
}

a {
  color: var(--ui37-primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--ui37-secondary);
}

/* Layout Components */
.ui37-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.ui37-container {
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  padding: 0 1.6rem;
}

.ui37-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}

@media (min-width: 480px) {
  .ui37-grid-2 { grid-template-columns: repeat(2, 1fr); }
  .ui37-grid-3 { grid-template-columns: repeat(3, 1fr); }
  .ui37-grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.ui37-section {
  margin: 3rem 0;
}

/* Header Styles */
.ui37-header {
  background: linear-gradient(135deg, var(--ui37-primary), var(--ui37-secondary));
  color: white;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  box-shadow: var(--ui37-shadow);
}

.ui37-navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 1.6rem;
  height: 6.4rem;
}

.ui37-logo {
  display: flex;
  align-items: center;
  font-size: 2.2rem;
  font-weight: 800;
  color: white;
}

.ui37-logo-img {
  width: 3.2rem;
  height: 3.2rem;
  margin-right: 1rem;
  border-radius: var(--ui37-radius);
}

.ui37-nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.ui37-menu-toggle {
  display: flex;
  flex-direction: column;
  cursor: pointer;
  padding: 0.8rem;
  background: transparent;
  border: none;
}

.ui37-menu-toggle span {
  width: 2.4rem;
  height: 0.3rem;
  background: white;
  margin: 0.3rem 0;
  transition: 0.3s;
  border-radius: 0.2rem;
}

.ui37-toggle-active span:nth-child(1) {
  transform: rotate(-45deg) translate(-0.5rem, 0.6rem);
}

.ui37-toggle-active span:nth-child(2) {
  opacity: 0;
}

.ui37-toggle-active span:nth-child(3) {
  transform: rotate(45deg) translate(-0.5rem, -0.6rem);
}

/* Mobile Menu */
.ui37-mobile-menu {
  position: fixed;
  top: 6.4rem;
  left: -100%;
  width: 100%;
  height: calc(100vh - 6.4rem);
  background: var(--ui37-surface);
  transition: left 0.3s ease;
  z-index: 999;
  overflow-y: auto;
}

.ui37-menu-active {
  left: 0;
}

.ui37-menu-overlay {
  position: fixed;
  top: 6.4rem;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.ui37-overlay-active {
  opacity: 1;
  visibility: visible;
}

.ui37-nav-menu {
  list-style: none;
  padding: 2rem;
}

.ui37-nav-item {
  margin-bottom: 1rem;
}

.ui37-nav-link {
  display: block;
  padding: 1.5rem 0;
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--ui37-text);
  border-bottom: 1px solid var(--ui37-border);
  transition: color 0.3s ease;
}

.ui37-nav-link:hover {
  color: var(--ui37-primary);
}

/* Button Styles */
.ui37-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1.2rem 2.4rem;
  font-size: 1.6rem;
  font-weight: 600;
  border-radius: var(--ui37-radius);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  min-height: 4.8rem;
  gap: 0.8rem;
}

.ui37-btn-primary {
  background: linear-gradient(135deg, var(--ui37-primary), var(--ui37-secondary));
  color: white;
}

.ui37-btn-primary:hover {
  transform: translateY(-0.2rem);
  box-shadow: 0 4px 12px rgba(199, 21, 133, 0.3);
}

.ui37-btn-outline {
  background: transparent;
  color: var(--ui37-primary);
  border: 2px solid var(--ui37-primary);
}

.ui37-btn-outline:hover {
  background: var(--ui37-primary);
  color: white;
}

.ui37-btn-accent {
  background: var(--ui37-accent);
  color: var(--ui37-text-dark);
}

.ui37-btn-accent:hover {
  background: #e69900;
  transform: translateY(-0.2rem);
}

.ui37-play-btn {
  background: linear-gradient(135deg, var(--ui37-accent), #ff9500);
  color: var(--ui37-text-dark);
  font-size: 1.9rem;
  font-weight: 800;
  padding: 1.8rem 3.6rem;
  border-radius: 5rem;
  box-shadow: 0 6px 20px rgba(255, 170, 0, 0.4);
  animation: ui37-pulse 2s infinite;
}

.ui37-play-btn:hover {
  transform: translateY(-0.3rem);
  box-shadow: 0 8px 25px rgba(255, 170, 0, 0.5);
}

.ui37-promo-btn {
  position: relative;
  overflow: hidden;
}

.ui37-promo-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.5s ease;
}

.ui37-promo-btn:hover::before {
  width: 300px;
  height: 300px;
}

/* Ripple Animation */
.ui37-ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.6);
  transform: scale(0);
  animation: ui37-ripple 0.6s linear;
}

@keyframes ui37-ripple {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

@keyframes ui37-pulse {
  0%, 100% {
    box-shadow: 0 6px 20px rgba(255, 170, 0, 0.4);
  }
  50% {
    box-shadow: 0 8px 30px rgba(255, 170, 0, 0.6);
  }
}

/* Carousel Styles */
.ui37-carousel {
  position: relative;
  overflow: hidden;
  border-radius: var(--ui37-radius);
  margin-bottom: 2rem;
  box-shadow: var(--ui37-shadow);
}

.ui37-slide {
  display: none;
  width: 100%;
  position: relative;
}

.ui37-slide.ui37-active {
  display: block;
}

.ui37-slide img {
  width: 100%;
  height: 20rem;
  object-fit: cover;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.ui37-slide img:hover {
  transform: scale(1.05);
}

.ui37-carousel-dots {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.5rem;
}

.ui37-dot {
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 50%;
  background: var(--ui37-text-light);
  cursor: pointer;
  transition: background 0.3s ease;
}

.ui37-dot.ui37-active {
  background: var(--ui37-primary);
}

/* Card Styles */
.ui37-card {
  background: var(--ui37-surface);
  border-radius: var(--ui37-radius);
  padding: 2.4rem;
  box-shadow: var(--ui37-shadow);
  margin-bottom: 2rem;
  transition: all 0.3s ease;
  border: 1px solid transparent;
}

.ui37-card:hover {
  transform: translateY(-0.3rem);
  box-shadow: 0 8px 25px rgba(199, 21, 133, 0.2);
  border-color: var(--ui37-secondary);
}

.ui37-card-highlight {
  background: linear-gradient(135deg, rgba(199, 21, 133, 0.05), rgba(219, 112, 147, 0.05));
  border: 2px solid var(--ui37-secondary);
}

/* Game Grid */
.ui37-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
  margin: 2rem 0;
}

.ui37-game-item {
  background: var(--ui37-surface);
  border-radius: var(--ui37-radius);
  padding: 1.2rem;
  text-align: center;
  box-shadow: var(--ui37-shadow);
  cursor: pointer;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.ui37-game-item:hover {
  transform: translateY(-0.3rem);
  box-shadow: 0 6px 20px rgba(199, 21, 133, 0.2);
  border-color: var(--ui37-primary);
}

.ui37-game-item.ui37-clicked {
  transform: scale(0.95);
}

.ui37-game-icon {
  width: 4.8rem;
  height: 4.8rem;
  border-radius: var(--ui37-radius);
  margin-bottom: 1rem;
  transition: transform 0.3s ease;
}

.ui37-game-item:hover .ui37-game-icon {
  transform: scale(1.1);
}

.ui37-game-name {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--ui37-text);
  line-height: 1.4;
}

/* Feature Grid */
.ui37-feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.ui37-feature-item {
  text-align: center;
  padding: 2rem;
  background: var(--ui37-surface);
  border-radius: var(--ui37-radius);
  box-shadow: var(--ui37-shadow);
  transition: transform 0.3s ease;
}

.ui37-feature-item:hover {
  transform: translateY(-0.3rem);
}

.ui37-feature-icon {
  font-size: 4rem;
  color: var(--ui37-primary);
  margin-bottom: 1.5rem;
}

/* Statistics Grid */
.ui37-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.ui37-stat-item {
  text-align: center;
  padding: 2rem;
  background: linear-gradient(135deg, var(--ui37-surface), rgba(219, 112, 147, 0.05));
  border-radius: var(--ui37-radius);
  border: 1px solid var(--ui37-border);
}

.ui37-stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--ui37-primary);
  margin-bottom: 0.5rem;
}

.ui37-stat-label {
  font-size: 1.4rem;
  color: var(--ui37-text);
  font-weight: 600;
}

/* Footer Styles */
.ui37-footer {
  background: linear-gradient(135deg, var(--ui37-text), #1a1a1a);
  color: var(--ui37-text-light);
  margin-top: auto;
  padding: 3rem 0;
}

.ui37-footer-content {
  text-align: center;
}

.ui37-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
}

.ui37-footer-link {
  color: var(--ui37-text-light);
  font-size: 1.4rem;
  transition: color 0.3s ease;
}

.ui37-footer-link:hover {
  color: var(--ui37-secondary);
}

.ui37-partners {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  margin: 2rem 0;
}

.ui37-partner-img {
  width: 4rem;
  height: 2.5rem;
  object-fit: contain;
  opacity: 0.7;
  transition: opacity 0.3s ease;
}

.ui37-partner-img:hover {
  opacity: 1;
}

.ui37-copyright {
  font-size: 1.2rem;
  color: rgba(192, 192, 192, 0.6);
  margin-top: 2rem;
}

/* Bottom Navigation */
.ui37-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--ui37-surface);
  border-top: 2px solid var(--ui37-border);
  display: flex;
  justify-content: space-around;
  padding: 1rem 0;
  z-index: 1000;
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
  height: 6.4rem;
}

.ui37-bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  color: var(--ui37-text-light);
  text-decoration: none;
  transition: all 0.3s ease;
  flex: 1;
  border: none;
  background: transparent;
  cursor: pointer;
}

.ui37-bottom-nav-item:hover,
.ui37-bottom-nav-item.ui37-nav-active {
  color: var(--ui37-primary);
  transform: translateY(-0.2rem);
}

.ui37-nav-icon {
  font-size: 2.4rem;
  margin-bottom: 0.3rem;
}

.ui37-nav-text {
  font-size: 1.2rem;
  font-weight: 600;
}

/* Animation Classes */
.ui37-animate {
  opacity: 0;
  transform: translateY(3rem);
  transition: all 0.8s ease;
}

.ui37-animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* Loading Spinner */
.ui37-loading {
  width: 4rem;
  height: 4rem;
  border: 0.4rem solid var(--ui37-border);
  border-top: 0.4rem solid var(--ui37-primary);
  border-radius: 50%;
  animation: ui37-spin 1s linear infinite;
  margin: 2rem auto;
}

@keyframes ui37-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Touch Styles for Mobile */
.ui37-touch {
  transform: scale(0.95);
}

/* Main Content */
.ui37-main {
  flex: 1;
  padding-top: 6.4rem;
  padding-bottom: 6.4rem;
}

/* Hero Section */
.ui37-hero {
  background: linear-gradient(135deg, var(--ui37-primary), var(--ui37-secondary));
  color: white;
  padding: 4rem 2rem;
  text-align: center;
  margin: -1.6rem;
  margin-bottom: 3rem;
}

.ui37-hero h1 {
  color: white;
  margin-bottom: 2rem;
}

.ui37-hero p {
  font-size: 1.8rem;
  margin-bottom: 2.5rem;
  opacity: 0.9;
}

/* Utility Classes */
.ui37-text-center { text-align: center; }
.ui37-text-left { text-align: left; }
.ui37-text-right { text-align: right; }

.ui37-mb-1 { margin-bottom: 1rem; }
.ui37-mb-2 { margin-bottom: 2rem; }
.ui37-mb-3 { margin-bottom: 3rem; }

.ui37-mt-1 { margin-top: 1rem; }
.ui37-mt-2 { margin-top: 2rem; }
.ui37-mt-3 { margin-top: 3rem; }

.ui37-p-1 { padding: 1rem; }
.ui37-p-2 { padding: 2rem; }
.ui37-p-3 { padding: 3rem; }

.ui37-hidden { display: none; }
.ui37-visible { display: block; }

/* Responsive Adjustments */
@media (max-width: 430px) {
  .ui37-container {
    padding: 0 1.2rem;
  }
  
  .ui37-game-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }
  
  .ui37-game-icon {
    width: 4rem;
    height: 4rem;
  }
  
  .ui37-game-name {
    font-size: 1.2rem;
  }
  
  .ui37-hero {
    padding: 3rem 1.5rem;
  }
}