/**
 * Bingo Plush Gaming Platform - Main Stylesheet
 * @version 1.0.0
 * @description Responsive mobile-first design with unique dark theme
 * All classes use w55c6- prefix for namespace isolation
 * Color Palette: #1B263B (dark), #D4AF37 (gold), #FF8C00 (orange), #006400 (dark green), #228B22 (green)
 */

/* ========== CSS VARIABLES ========== */
:root {
  /* Brand Colors */
  --w55c6-primary: #D4AF37;
  --w55c6-secondary: #FF8C00;
  --w55c6-accent: #228B22;
  --w55c6-dark: #1B263B;
  --w55c6-dark-green: #006400;

  /* Gradients */
  --w55c6-gradient-primary: linear-gradient(135deg, #1B263B 0%, #2C3E50 100%);
  --w55c6-gradient-gold: linear-gradient(135deg, #D4AF37 0%, #FFD700 100%);
  --w55c6-gradient-orange: linear-gradient(135deg, #FF8C00 0%, #FFA500 100%);

  /* UI Colors */
  --w55c6-bg-main: #0F1419;
  --w55c6-bg-secondary: #1B263B;
  --w55c6-bg-card: #222D3A;
  --w55c6-text-primary: #FFFFFF;
  --w55c6-text-secondary: #B8C5D6;
  --w55c6-text-muted: #7A8FA8;
  --w55c6-border: rgba(218, 175, 55, 0.2);

  /* Shadows */
  --w55c6-shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --w55c6-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --w55c6-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
  --w55c6-shadow-gold: 0 4px 16px rgba(212, 175, 55, 0.3);

  /* Spacing */
  --w55c6-spacing-xs: 0.5rem;
  --w55c6-spacing-sm: 1rem;
  --w55c6-spacing-md: 1.5rem;
  --w55c6-spacing-lg: 2rem;
  --w55c6-spacing-xl: 3rem;

  /* Typography */
  --w55c6-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --w55c6-font-size-xs: 0.75rem;
  --w55c6-font-size-sm: 0.875rem;
  --w55c6-font-size-base: 1rem;
  --w55c6-font-size-lg: 1.125rem;
  --w55c6-font-size-xl: 1.5rem;
  --w55c6-font-size-2xl: 2rem;

  /* Border Radius */
  --w55c6-radius-sm: 6px;
  --w55c6-radius-md: 10px;
  --w55c6-radius-lg: 16px;
  --w55c6-radius-full: 9999px;

  /* Transitions */
  --w55c6-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========== RESET & BASE ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--w55c6-font-family);
  font-size: var(--w55c6-font-size-base);
  line-height: 1.6;
  color: var(--w55c6-text-primary);
  background: var(--w55c6-bg-main);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--w55c6-primary);
  text-decoration: none;
  transition: var(--w55c6-transition);
}

a:hover {
  color: var(--w55c6-secondary);
}

/* ========== HEADER ========== */
.w55c6-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--w55c6-gradient-primary);
  box-shadow: var(--w55c6-shadow-md);
  transition: var(--w55c6-transition);
}

.w55c6-header-scrolled {
  box-shadow: var(--w55c6-shadow-lg);
  background: rgba(27, 38, 59, 0.98);
  backdrop-filter: blur(10px);
}

.w55c6-header-container {
  max-width: 430px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.w55c6-logo-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.w55c6-logo-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--w55c6-radius-sm);
}

.w55c6-logo-text {
  font-size: 1.3rem;
  font-weight: 700;
  background: var(--w55c6-gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}

.w55c6-header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.w55c6-btn-header {
  padding: 0.6rem 1.2rem;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  border-radius: var(--w55c6-radius-full);
  cursor: pointer;
  transition: var(--w55c6-transition);
  white-space: nowrap;
}

.w55c6-btn-register {
  background: var(--w55c6-gradient-gold);
  color: var(--w55c6-dark);
  box-shadow: var(--w55c6-shadow-gold);
}

.w55c6-btn-register:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
}

.w55c6-btn-login {
  background: transparent;
  color: var(--w55c6-primary);
  border: 2px solid var(--w55c6-primary);
}

.w55c6-btn-login:hover {
  background: var(--w55c6-primary);
  color: var(--w55c6-dark);
}

.w55c6-menu-toggle {
  background: transparent;
  border: none;
  color: var(--w55c6-primary);
  font-size: 1.8rem;
  cursor: pointer;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--w55c6-transition);
}

.w55c6-menu-toggle:hover {
  color: var(--w55c6-secondary);
  transform: scale(1.1);
}

/* ========== MOBILE MENU ========== */
.w55c6-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: var(--w55c6-transition);
}

.w55c6-overlay-active {
  opacity: 1;
  visibility: visible;
}

.w55c6-mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  max-width: 85vw;
  height: 100vh;
  background: var(--w55c6-bg-secondary);
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.5);
  z-index: 9999;
  overflow-y: auto;
  transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.w55c6-menu-active {
  right: 0;
}

.w55c6-menu-header {
  padding: 1.5rem;
  background: var(--w55c6-gradient-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--w55c6-border);
}

.w55c6-menu-close {
  background: transparent;
  border: none;
  color: var(--w55c6-primary);
  font-size: 1.8rem;
  cursor: pointer;
  padding: 0.5rem;
  transition: var(--w55c6-transition);
}

.w55c6-menu-close:hover {
  color: var(--w55c6-secondary);
  transform: rotate(90deg);
}

.w55c6-menu-nav {
  padding: 1rem 0;
}

.w55c6-mobile-nav-link {
  display: flex;
  align-items: center;
  padding: 1rem 1.5rem;
  color: var(--w55c6-text-secondary);
  font-size: 1rem;
  transition: var(--w55c6-transition);
  border-left: 3px solid transparent;
}

.w55c6-mobile-nav-link:hover {
  background: rgba(212, 175, 55, 0.1);
  color: var(--w55c6-primary);
  border-left-color: var(--w55c6-primary);
}

.w55c6-nav-active {
  background: rgba(212, 175, 55, 0.15);
  color: var(--w55c6-primary);
  border-left-color: var(--w55c6-primary);
  font-weight: 600;
}

/* ========== MAIN CONTENT ========== */
.w55c6-main {
  max-width: 430px;
  margin: 0 auto;
  padding-top: 65px;
  min-height: 100vh;
}

@media (max-width: 768px) {
  .w55c6-main {
    padding-bottom: 80px;
  }
}

.w55c6-container {
  padding: 1.5rem;
}

/* ========== CAROUSEL ========== */
.w55c6-carousel {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: var(--w55c6-radius-lg);
  margin-bottom: var(--w55c6-spacing-lg);
  box-shadow: var(--w55c6-shadow-md);
}

.w55c6-carousel-track {
  position: relative;
  height: 200px;
}

.w55c6-carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.6s ease-in-out;
  cursor: pointer;
}

.w55c6-slide-active {
  opacity: 1;
  z-index: 1;
}

.w55c6-carousel-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.w55c6-carousel-dots {
  position: absolute;
  bottom: 15px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 2;
}

.w55c6-carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  border: none;
  cursor: pointer;
  transition: var(--w55c6-transition);
  padding: 0;
}

.w55c6-carousel-dot:hover,
.w55c6-dot-active {
  background: var(--w55c6-primary);
  transform: scale(1.2);
}

/* ========== SECTION TITLES ========== */
.w55c6-section {
  margin-bottom: var(--w55c6-spacing-xl);
}

.w55c6-section-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: var(--w55c6-spacing-md);
  background: var(--w55c6-gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.w55c6-section-title::before {
  content: '';
  width: 4px;
  height: 28px;
  background: var(--w55c6-gradient-gold);
  border-radius: 2px;
}

/* ========== GAME GRID ========== */
.w55c6-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: var(--w55c6-spacing-lg);
}

.w55c6-game-card {
  background: var(--w55c6-bg-card);
  border-radius: var(--w55c6-radius-md);
  overflow: hidden;
  transition: var(--w55c6-transition);
  cursor: pointer;
  border: 1px solid transparent;
}

.w55c6-game-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--w55c6-shadow-gold);
  border-color: var(--w55c6-primary);
}

.w55c6-game-image-wrapper {
  position: relative;
  width: 100%;
  padding-top: 100%;
  background: linear-gradient(135deg, #2C3E50 0%, #1B263B 100%);
}

.w55c6-game-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.w55c6-game-name {
  padding: 0.6rem;
  font-size: 0.75rem;
  font-weight: 500;
  text-align: center;
  color: var(--w55c6-text-secondary);
  line-height: 1.3;
  min-height: 2.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.w55c6-game-link {
  color: inherit;
  display: block;
}

.w55c6-game-link:hover .w55c6-game-name {
  color: var(--w55c6-primary);
}

/* ========== CARDS & CONTENT BLOCKS ========== */
.w55c6-card {
  background: var(--w55c6-bg-card);
  border-radius: var(--w55c6-radius-lg);
  padding: var(--w55c6-spacing-md);
  margin-bottom: var(--w55c6-spacing-md);
  box-shadow: var(--w55c6-shadow-sm);
  border: 1px solid var(--w55c6-border);
}

.w55c6-card-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--w55c6-primary);
  margin-bottom: var(--w55c6-spacing-sm);
}

.w55c6-card-text {
  color: var(--w55c6-text-secondary);
  line-height: 1.7;
  margin-bottom: var(--w55c6-spacing-sm);
}

.w55c6-card-text:last-child {
  margin-bottom: 0;
}

/* ========== BUTTONS ========== */
.w55c6-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--w55c6-radius-full);
  border: none;
  cursor: pointer;
  transition: var(--w55c6-transition);
  text-align: center;
}

.w55c6-btn-primary {
  background: var(--w55c6-gradient-gold);
  color: var(--w55c6-dark);
  box-shadow: var(--w55c6-shadow-gold);
}

.w55c6-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212, 175, 55, 0.4);
}

.w55c6-btn-secondary {
  background: var(--w55c6-gradient-orange);
  color: #fff;
  box-shadow: 0 4px 16px rgba(255, 140, 0, 0.3);
}

.w55c6-btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 140, 0, 0.4);
}

.w55c6-btn-outline {
  background: transparent;
  color: var(--w55c6-primary);
  border: 2px solid var(--w55c6-primary);
}

.w55c6-btn-outline:hover {
  background: var(--w55c6-primary);
  color: var(--w55c6-dark);
}

.w55c6-btn-block {
  width: 100%;
  display: flex;
}

/* ========== BOTTOM NAVIGATION ========== */
.w55c6-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--w55c6-bg-secondary);
  border-top: 1px solid var(--w55c6-border);
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.3);
  display: none;
}

@media (max-width: 768px) {
  .w55c6-bottom-nav {
    display: block;
  }
}

.w55c6-bottom-nav-container {
  max-width: 430px;
  margin: 0 auto;
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: 64px;
  padding: 0 0.5rem;
}

.w55c6-bottom-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  padding: 0.5rem;
  cursor: pointer;
  transition: var(--w55c6-transition);
  border-radius: var(--w55c6-radius-sm);
  min-width: 60px;
  min-height: 60px;
}

.w55c6-bottom-nav-item:hover {
  background: rgba(212, 175, 55, 0.1);
}

.w55c6-bottom-nav-item a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  color: var(--w55c6-text-muted);
  width: 100%;
}

.w55c6-bottom-nav-icon {
  font-size: 24px;
  transition: var(--w55c6-transition);
}

.w55c6-bottom-nav-label {
  font-size: 0.7rem;
  font-weight: 500;
  text-align: center;
}

.w55c6-bottom-nav-active a {
  color: var(--w55c6-primary);
}

.w55c6-bottom-nav-active .w55c6-bottom-nav-icon {
  transform: scale(1.1);
}

/* ========== FOOTER ========== */
.w55c6-footer {
  background: var(--w55c6-gradient-primary);
  border-top: 1px solid var(--w55c6-border);
  padding: var(--w55c6-spacing-lg) 0;
  margin-top: var(--w55c6-spacing-xl);
}

.w55c6-footer-container {
  max-width: 430px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.w55c6-footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-bottom: var(--w55c6-spacing-md);
}

.w55c6-footer-link {
  color: var(--w55c6-text-secondary);
  font-size: 0.9rem;
  padding: 0.5rem 0;
  transition: var(--w55c6-transition);
}

.w55c6-footer-link:hover {
  color: var(--w55c6-primary);
  padding-left: 0.5rem;
}

.w55c6-partners {
  margin: var(--w55c6-spacing-lg) 0;
  padding: var(--w55c6-spacing-md) 0;
  border-top: 1px solid var(--w55c6-border);
  border-bottom: 1px solid var(--w55c6-border);
}

.w55c6-partners-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--w55c6-primary);
  margin-bottom: var(--w55c6-spacing-sm);
  text-align: center;
}

.w55c6-partners-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  align-items: center;
}

.w55c6-partner-logo {
  width: 100%;
  height: auto;
  opacity: 0.7;
  transition: var(--w55c6-transition);
  filter: grayscale(30%);
}

.w55c6-partner-logo:hover {
  opacity: 1;
  filter: grayscale(0%);
  transform: scale(1.05);
}

.w55c6-copyright {
  text-align: center;
  color: var(--w55c6-text-muted);
  font-size: 0.85rem;
  padding-top: var(--w55c6-spacing-md);
}

/* ========== UTILITY CLASSES ========== */
.w55c6-text-center {
  text-align: center;
}

.w55c6-text-gold {
  color: var(--w55c6-primary);
}

.w55c6-text-orange {
  color: var(--w55c6-secondary);
}

.w55c6-mb-1 {
  margin-bottom: var(--w55c6-spacing-sm);
}

.w55c6-mb-2 {
  margin-bottom: var(--w55c6-spacing-md);
}

.w55c6-mb-3 {
  margin-bottom: var(--w55c6-spacing-lg);
}

.w55c6-mt-1 {
  margin-top: var(--w55c6-spacing-sm);
}

.w55c6-mt-2 {
  margin-top: var(--w55c6-spacing-md);
}

/* ========== ANIMATIONS ========== */
@keyframes w55c6-fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.w55c6-fade-in {
  opacity: 0;
}

.w55c6-fade-in-visible {
  animation: w55c6-fadeIn 0.6s ease-out forwards;
}

/* ========== BACK TO TOP ========== */
.w55c6-back-to-top {
  position: fixed;
  bottom: 90px;
  right: 20px;
  width: 48px;
  height: 48px;
  background: var(--w55c6-gradient-gold);
  color: var(--w55c6-dark);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--w55c6-shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: var(--w55c6-transition);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.w55c6-back-to-top.w55c6-show {
  opacity: 1;
  visibility: visible;
}

.w55c6-back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--w55c6-shadow-lg);
}

@media (min-width: 769px) {
  .w55c6-back-to-top {
    bottom: 20px;
  }
}

/* ========== RESPONSIVE ADJUSTMENTS ========== */
@media (max-width: 380px) {
  .w55c6-game-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .w55c6-header-container {
    padding: 0.875rem 1rem;
  }

  .w55c6-btn-header {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
  }
}