:root {
  --primary-site-color: #FFD700; /* Gold */
  --secondary-site-color: #8B0000; /* Dark Red */

  --neon-primary: #FF00FF; /* Vibrant Pink for general glow */
  --neon-secondary: #00FFFF; /* Vibrant Cyan for secondary glow */
  --neon-accent: #FFFF00; /* Vibrant Yellow for accent glow */

  --header-bg-dark: #0a0a0a;
  --header-top-gradient: linear-gradient(135deg, #0a0a0a, #1a1a2e, #16213e);
  --main-nav-gradient: linear-gradient(135deg, #1a1a2e, #16213e, #0f3460);

  --header-height-desktop: 110px;
  --header-height-mobile: 120px;
}

/* Base styles */
body {
  margin: 0;
  font-family: 'Arial', sans-serif;
  background-color: #121212;
  color: #e0e0e0;
  padding-top: var(--header-height-desktop); /* Default desktop padding */
  line-height: 1.6;
}

/* Animations for neon effects */
@keyframes neon-flicker {
  0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% {
    opacity: 1;
    box-shadow:
      0 0 10px currentColor,
      0 0 20px currentColor,
      0 0 30px currentColor,
      inset 0 0 15px currentColor;
  }
  20%, 24%, 55% {
    opacity: 0.8;
    box-shadow:
      0 0 5px currentColor,
      0 0 10px currentColor,
      0 0 15px currentColor,
      inset 0 0 10px currentColor;
  }
}

@keyframes pulse-glow {
  from {
    box-shadow:
      0 0 5px currentColor,
      0 0 10px currentColor;
  }
  to {
    box-shadow:
      0 0 15px currentColor,
      0 0 30px currentColor,
      0 0 45px currentColor;
  }
}

@keyframes rainbow-border {
  0% {
    border-color: #ff0000;
    box-shadow:
      0 0 10px #ff0000,
      0 0 20px #ff0000;
  }
  16.6% {
    border-color: #ff8000;
    box-shadow:
      0 0 10px #ff8000,
      0 0 20px #ff8000;
  }
  33.3% {
    border-color: #ffff00;
    box-shadow:
      0 0 10px #ffff00,
      0 0 20px #ffff00;
  }
  50% {
    border-color: #00ff00;
    box-shadow:
      0 0 10px #00ff00,
      0 0 20px #00ff00;
  }
  66.6% {
    border-color: #0000ff;
    box-shadow:
      0 0 10px #0000ff,
      0 0 20px #0000ff;
  }
  83.3% {
    border-color: #8000ff;
    box-shadow:
      0 0 10px #8000ff,
      0 0 20px #8000ff;
  }
  100% {
    border-color: #ff0000;
    box-shadow:
      0 0 10px #ff0000,
      0 0 20px #ff0000;
  }
}

@keyframes hue-spin {
  0% {
    filter: hue-rotate(0deg);
    box-shadow:
      0 0 10px var(--neon-primary),
      0 0 20px var(--neon-primary);
  }
  100% {
    filter: hue-rotate(360deg);
    box-shadow:
      0 0 10px var(--neon-primary),
      0 0 20px var(--neon-primary);
  }
}

@keyframes alternate-colors {
  0% {
    border-color: var(--neon-primary);
    box-shadow:
      0 0 10px var(--neon-primary),
      0 0 20px var(--neon-primary);
  }
  100% {
    border-color: var(--neon-secondary);
    box-shadow:
      0 0 10px var(--neon-secondary),
      0 0 20px var(--neon-secondary);
  }
}

@keyframes gradient-flow {
  0% {
    background-position: 0% 50%;
    box-shadow:
      0 0 10px #ff0000,
      0 0 20px #ff8000;
  }
  50% {
    background-position: 100% 50%;
    box-shadow:
      0 0 10px #00ffff,
      0 0 20px #0000ff;
  }
  100% {
    background-position: 0% 50%;
    box-shadow:
      0 0 10px #ff0000,
      0 0 20px #ff8000;
  }
}

@keyframes random-glow {
  0% {
    border-color: #ff00ff;
    box-shadow: 0 0 20px #ff00ff;
  }
  20% {
    border-color: #00ffff;
    box-shadow: 0 0 20px #00ffff;
  }
  40% {
    border-color: #ffff00;
    box-shadow: 0 0 20px #ffff00;
  }
  60% {
    border-color: #00ff00;
    box-shadow: 0 0 20px #00ff00;
  }
  80% {
    border-color: #ff0000;
    box-shadow: 0 0 20px #ff0000;
  }
  100% {
    border-color: #ff00ff;
    box-shadow: 0 0 20px #ff00ff;
  }
}

@keyframes theme-colors {
  0%, 100% {
    border-color: var(--neon-primary);
    box-shadow:
      0 0 10px var(--neon-primary),
      0 0 20px var(--neon-primary),
      inset 0 0 10px rgba(255, 0, 255, 0.3);
  }
  33% {
    border-color: var(--neon-secondary);
    box-shadow:
      0 0 10px var(--neon-secondary),
      0 0 20px var(--neon-secondary),
      inset 0 0 10px rgba(0, 255, 255, 0.3);
  }
  66% {
    border-color: var(--neon-accent);
    box-shadow:
      0 0 10px var(--neon-accent),
      0 0 20px var(--neon-accent),
      inset 0 0 10px rgba(255, 255, 0, 0.3);
  }
}

@keyframes led-blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0.3; }
}

@keyframes text-glow-flow {
  0% {
    text-shadow:
      0 0 5px var(--neon-primary),
      0 0 10px var(--neon-primary),
      0 0 15px var(--neon-primary);
    color: #ffffff;
  }
  50% {
    text-shadow:
      0 0 5px var(--neon-secondary),
      0 0 10px var(--neon-secondary),
      0 0 15px var(--neon-secondary);
    color: #ffffff;
  }
  100% {
    text-shadow:
      0 0 5px var(--neon-accent),
      0 0 10px var(--neon-accent),
      0 0 15px var(--neon-accent);
    color: #ffffff;
  }
}

/* Header styles (Desktop First) */
.site-header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  display: flex;
  flex-direction: column;
}

.header-top {
  background: var(--header-top-gradient);
  border-bottom: 2px solid var(--neon-primary);
  box-shadow:
    0 0 10px var(--neon-primary),
    0 0 20px var(--neon-primary),
    0 0 30px var(--neon-primary),
    inset 0 0 15px rgba(255, 0, 255, 0.1);
  padding: 10px 0;
  animation: theme-colors 4s ease-in-out infinite;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
}

.logo {
  font-size: 2.2em;
  font-weight: bold;
  color: #fff;
  text-decoration: none;
  animation: text-glow-flow 3s ease-in-out infinite alternate;
  transition: all 0.3s ease;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.logo.neon-pulse {
  animation: text-glow-flow 3s ease-in-out infinite alternate, pulse-glow 2s ease-in-out infinite alternate;
}

.desktop-nav-buttons {
  display: flex;
  gap: 12px;
}

.btn {
  position: relative;
  background: linear-gradient(135deg, var(--neon-primary), var(--neon-secondary));
  padding: 10px 25px;
  color: #ffffff;
  text-decoration: none;
  border-radius: 5px;
  border: 2px solid;
  animation: theme-colors 4s ease-in-out infinite;
  text-shadow:
    0 0 5px #ffffff,
    0 0 10px var(--neon-primary);
  transition: all 0.3s ease;
  font-weight: bold;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn:hover {
  animation-duration: 2s; /* hover时加快颜色变化速度 */
  transform: translateY(-2px) scale(1.02);
  filter: brightness(1.2);
}

.btn.rainbow-flow {
  animation: rainbow-border 3s linear infinite;
}

.btn.alternate-glow {
  animation: alternate-colors 2s ease-in-out infinite alternate;
}

.main-nav {
  background: var(--main-nav-gradient);
  border-top: 2px solid var(--neon-secondary);
  border-bottom: 2px solid var(--neon-secondary);
  box-shadow:
    0 0 10px var(--neon-secondary),
    0 0 20px var(--neon-secondary),
    0 0 30px var(--neon-secondary),
    inset 0 0 15px rgba(0, 255, 255, 0.1);
  padding: 10px 0;
  animation: theme-colors 4s ease-in-out infinite reverse;
  display: flex; /* Desktop: show main nav */
  flex-direction: row; /* Desktop: horizontal */
  justify-content: center;
  align-items: center;
}

.main-nav .nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  padding: 0 20px;
  flex-wrap: wrap;
}

.nav-link {
  color: #e0e0e0;
  text-decoration: none;
  padding: 8px 15px;
  font-weight: 500;
  font-size: 1.05em;
  transition: color 0.3s ease, text-shadow 0.3s ease;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--neon-accent);
  text-shadow: 0 0 5px var(--neon-accent), 0 0 10px var(--neon-accent);
}

.hamburger-menu {
  display: none; /* Hidden on desktop */
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 10px;
  position: relative;
  z-index: 1001;
}

.hamburger-menu span {
  display: block;
  width: 30px;
  height: 3px;
  background-color: var(--neon-accent);
  margin-bottom: 5px;
  position: relative;
  border-radius: 3px;
  z-index: 1001;
  transition: all 0.3s ease;
  box-shadow: 0 0 5px var(--neon-accent), 0 0 10px var(--neon-accent);
}

.hamburger-menu.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger-menu.active span:nth-child(2) {
  opacity: 0;
}

.hamburger-menu.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-nav-buttons {
  display: none; /* Hidden on desktop */
}

.mobile-menu-overlay {
  display: none; /* Hidden on desktop */
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-menu-overlay.visible {
  opacity: 1;
  visibility: visible;
}

/* Footer styles */
.site-footer {
  background-color: #1a1a1a;
  color: #c0c0c0;
  padding: 40px 0 20px 0;
  font-size: 0.9em;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr); /* First column wider for logo/desc */
  gap: 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid #333;
}

.footer-col h4 {
  color: #fff;
  font-size: 1.2em;
  margin-bottom: 15px;
  text-transform: uppercase;
}

.footer-logo {
  font-size: 1.8em;
  font-weight: bold;
  color: var(--primary-site-color);
  text-decoration: none;
  margin-bottom: 15px;
  display: block;
  text-transform: uppercase;
}

.footer-description {
  line-height: 1.6;
  word-wrap: break-word;
  overflow-wrap: break-word;
  margin-top: 15px;
}

.footer-nav {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-nav li {
  margin-bottom: 8px;
}

.footer-nav a,
.footer-legal-nav a {
  color: #c0c0c0;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-nav a:hover,
.footer-legal-nav a:hover {
  color: var(--primary-site-color);
}

.payment-methods .payment-icons,
.game-providers-section .game-providers-icons,
.social-media-section .social-media-icons {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  align-items: flex-start;
  gap: 8px;
  width: 100%;
}

.payment-methods .payment-icons img,
.game-providers-section .game-providers-icons img,
.social-media-section .social-media-icons img {
  max-height: 50px;
  height: auto;
  width: auto;
  object-fit: contain;
  filter: grayscale(100%) brightness(150%); /* For better visibility on dark background */
  transition: filter 0.3s ease;
}

.payment-methods .payment-icons img:hover,
.game-providers-section .game-providers-icons img:hover,
.social-media-section .social-media-icons img:hover {
  filter: grayscale(0%) brightness(100%);
}

.footer-middle-sections {
  padding: 30px 0;
  border-bottom: 1px solid #333;
}

.game-providers-section,
.social-media-section {
  margin-bottom: 20px;
}

.game-providers-section:last-child,
.social-media-section:last-child {
  margin-bottom: 0;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
}

.copyright {
  margin-bottom: 10px;
}

.footer-legal-nav {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
}

/* Responsive styles */
@media (max-width: 768px) {
  body {
    padding-top: var(--header-height-mobile); /* Mobile padding */
  }

  .site-header {
    flex-direction: column;
  }

  .header-container {
    width: 100%;
    max-width: none;
    padding: 0 15px;
    justify-content: space-between;
  }

  .desktop-nav-buttons {
    display: none; /* Hide desktop buttons on mobile */
  }

  .logo {
    flex: 1;
    text-align: center;
    font-size: 1.8em;
    margin: 0;
    order: 2; /* Center logo */
  }

  .hamburger-menu {
    display: block; /* Show hamburger on mobile */
    order: 1; /* Left side */
  }

  .main-nav {
    display: none; /* Hidden by default on mobile */
    position: fixed;
    top: 0;
    left: 0;
    width: 250px;
    height: 100%;
    flex-direction: column;
    background: var(--header-top-gradient);
    padding-top: var(--header-height-mobile);
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.5);
    transform: translateX(-100%); /* Slide out from left */
    transition: transform 0.3s ease;
    z-index: 1000;
    border: none;
  }

  .main-nav.active {
    display: flex; /* Show when active */
    transform: translateX(0);
  }

  .main-nav .nav-container {
    width: 100%;
    max-width: none;
    flex-direction: column;
    padding: 0;
    align-items: flex-start;
  }

  .nav-link {
    width: 100%;
    padding: 12px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 1.1em;
  }

  .mobile-nav-buttons {
    display: flex; /* Show mobile buttons */
    justify-content: center;
    gap: 10px;
    padding: 10px 15px;
    background: var(--header-bg-dark);
    border-bottom: 2px solid var(--neon-secondary);
    box-shadow:
      0 0 8px var(--neon-secondary),
      inset 0 0 5px rgba(0, 255, 255, 0.1);
    width: 100%;
    box-sizing: border-box;
  }

  .mobile-nav-buttons .btn {
    flex: 1;
    max-width: 150px;
    padding: 10px 15px;
    font-size: 0.9em;
  }

  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .footer-middle-sections {
    padding: 25px 0;
  }

  .game-providers-section,
  .social-media-section {
    margin-bottom: 15px;
  }

  .footer-legal-nav {
    flex-direction: column;
    gap: 10px;
  }
}