/* 🌌 星际入境大厅 - 主样式表 */

/* CSS变量定义 */
:root {
  /* 赛博占星术配色 */
  --deep-space-purple: #2A0B5E;
  --quantum-blue: #00F5FF;
  --orbit-gold: #FFD700;
  --neon-pink: #FF00FF;
  --dark-purple: #3A003A;
  --heartbeat-red: #FF1744;
  --data-green: #00FF88;
  --space-gray: #121212;
  --cosmic-white: #FFFFFF;
  
  /* 渐变 */
  --cosmic-gradient: linear-gradient(135deg, var(--deep-space-purple) 0%, var(--dark-purple) 100%);
  --neon-gradient: linear-gradient(45deg, var(--quantum-blue), var(--neon-pink));
  --gold-gradient: linear-gradient(45deg, var(--orbit-gold), #FFA000);
  
  /* 字体 */
  --font-primary: 'Orbitron', 'Noto Sans SC', sans-serif;
  --font-secondary: 'Noto Sans SC', sans-serif;
  
  /* 间距 */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;
  
  /* 阴影 */
  --shadow-glow: 0 0 20px rgba(0, 245, 255, 0.3);
  --shadow-deep: 0 10px 30px rgba(0, 0, 0, 0.5);
  --shadow-neon: 0 0 30px rgba(255, 0, 255, 0.5);
  
  /* 边框半径 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  
  /* 过渡 */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* 重置样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-secondary);
  background: var(--cosmic-gradient);
  color: var(--cosmic-white);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* 星空背景 */
#starfield {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  background: radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
              radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
              radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.2) 0%, transparent 50%);
}

/* 粒子系统 */
#particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}

/* 容器 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* 导航栏 */
.cosmic-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(42, 11, 94, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 245, 255, 0.2);
  transition: var(--transition-normal);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  max-width: 1400px;
  margin: 0 auto;
}

.nav-logo .logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--cosmic-white);
  font-family: var(--font-primary);
  font-weight: 700;
  font-size: 1.2rem;
}

.logo-icon {
  font-size: 1.5rem;
  margin-right: var(--spacing-sm);
  animation: rotate 10s linear infinite;
}

.nav-menu {
  display: flex;
  gap: var(--spacing-lg);
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: var(--cosmic-white);
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  transition: var(--transition-normal);
  position: relative;
}

.nav-item:hover {
  background: rgba(0, 245, 255, 0.1);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.nav-item.active {
  background: var(--neon-gradient);
  box-shadow: var(--shadow-neon);
}

.nav-icon {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-xs);
}

.nav-text {
  font-size: 0.9rem;
  font-weight: 500;
}

/* 用户区域 */
.nav-user {
  position: relative;
}

.user-menu {
  position: relative;
}

.user-avatar {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: rgba(255, 215, 0, 0.1);
  border: 1px solid var(--orbit-gold);
  border-radius: var(--radius-lg);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--orbit-gold);
  cursor: pointer;
  transition: var(--transition-normal);
}

.user-avatar:hover {
  background: rgba(255, 215, 0, 0.2);
  box-shadow: 0 0 15px rgba(255, 215, 0, 0.3);
}

.user-name {
  font-weight: 600;
}

.user-zodiac {
  font-size: 0.8rem;
  opacity: 0.8;
}

.user-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background: rgba(42, 11, 94, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 245, 255, 0.2);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition-normal);
}

.user-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  text-decoration: none;
  color: var(--cosmic-white);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
}

.dropdown-item:hover {
  background: rgba(0, 245, 255, 0.1);
}

.dropdown-divider {
  height: 1px;
  background: rgba(0, 245, 255, 0.2);
  margin: var(--spacing-sm) 0;
}

/* 认证按钮 */
.auth-buttons {
  display: flex;
  gap: var(--spacing-md);
}

/* 按钮样式 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
  font-size: 1rem;
}

.btn-primary {
  background: var(--neon-gradient);
  color: var(--cosmic-white);
  box-shadow: var(--shadow-neon);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(255, 0, 255, 0.6);
}

.btn-ghost {
  background: transparent;
  color: var(--quantum-blue);
  border: 1px solid var(--quantum-blue);
}

.btn-ghost:hover {
  background: rgba(0, 245, 255, 0.1);
  box-shadow: var(--shadow-glow);
}

/* 移动端菜单 */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.mobile-menu-btn span {
  width: 25px;
  height: 3px;
  background: var(--quantum-blue);
  border-radius: 2px;
  transition: var(--transition-normal);
}

/* 主内容区域 */
.main-content {
  margin-top: 80px;
  min-height: calc(100vh - 80px);
}

/* 页脚 */
.cosmic-footer {
  background: rgba(18, 18, 18, 0.9);
  backdrop-filter: blur(20px);
  border-top: 1px solid rgba(0, 245, 255, 0.2);
  margin-top: var(--spacing-xxl);
}

.footer-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  padding: var(--spacing-xxl) var(--spacing-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.footer-section h3 {
  color: var(--orbit-gold);
  font-family: var(--font-primary);
  margin-bottom: var(--spacing-md);
  font-size: 1.1rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: var(--cosmic-white);
  text-decoration: none;
  transition: var(--transition-fast);
}

.footer-section a:hover {
  color: var(--quantum-blue);
}
.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2rem;
}
.footer-section {
  min-width: 180px;
  flex: 1 1 180px;
}
.newsletter-form {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.newsletter-form input {
  flex: 1;
  padding: var(--spacing-sm);
  border: 1px solid rgba(0, 245, 255, 0.3);
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.3);
  color: var(--cosmic-white);
}

.newsletter-form input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.footer-bottom {
  text-align: center;
  padding: var(--spacing-lg);
  border-top: 1px solid rgba(0, 245, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }
  
  .mobile-menu-btn {
    display: flex;
  }
  
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
  }
  
  .newsletter-form {
    flex-direction: column;
  }
}

/* 语言切换按钮样式 */
.language-switcher {
  position: relative;
}

.language-dropdown {
  position: relative;
  display: inline-block;
}

.language-btn {
  background: rgba(0, 245, 255, 0.1);
  border: 1px solid rgba(0, 245, 255, 0.3);
  border-radius: var(--radius-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--cosmic-white);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  transition: var(--transition-fast);
  font-family: var(--font-primary);
  font-size: 0.9rem;
}

.language-btn:hover {
  background: rgba(0, 245, 255, 0.2);
  border-color: var(--quantum-blue);
}

.current-lang {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.dropdown-arrow {
  font-size: 0.8rem;
  transition: var(--transition-fast);
}

.language-menu {
  position: absolute;
  top: 100%;
  right: 0;
  background: rgba(18, 18, 18, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 245, 255, 0.3);
  border-radius: var(--radius-sm);
  padding: var(--spacing-sm);
  min-width: 120px;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition-fast);
}

.language-menu.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.language-option {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--cosmic-white);
  text-decoration: none;
  border-radius: var(--radius-xs);
  transition: var(--transition-fast);
  font-size: 0.9rem;
}

.language-option:hover {
  background: rgba(0, 245, 255, 0.1);
  color: var(--quantum-blue);
}

.language-option.active {
  background: rgba(0, 245, 255, 0.2);
  color: var(--quantum-blue);
  font-weight: 500;
}

/* 响应式语言切换 */
@media (max-width: 768px) {
  .language-switcher {
    margin-left: auto;
  }
  
  .language-menu {
    right: auto;
    left: 0;
    min-width: 100px;
  }
}