/**
 * 统一导航栏样式
 * 所有页面共用
 */

:root {
  --nav-height: 70px;
  --nav-bg: rgba(15, 23, 42, 0.95);
  --nav-border: rgba(255, 255, 255, 0.1);
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gold-gradient: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
}

/* 导航栏容器 */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--nav-border);
  height: var(--nav-height);
  transition: all 0.3s;
}

.navbar.scrolled {
  background: rgba(15, 23, 42, 0.98);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* 导航内容 */
.navbar-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-size: 20px;
  font-weight: 700;
  transition: transform 0.3s;
}

.logo:hover {
  transform: scale(1.05);
}

.logo-icon {
  width: 44px;
  height: 44px;
  background: var(--primary-gradient);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
  transition: all 0.3s;
}

.logo:hover .logo-icon {
  transform: rotate(10deg) scale(1.1);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.logo-text {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* 导航链接 */
.nav-links {
  display: flex;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-secondary, #94a3b8);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: color 0.3s;
  position: relative;
  padding: 8px 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary, #f1f5f9);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-gradient);
  transition: width 0.3s;
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* 右侧操作区 */
.nav-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

/* 按钮 */
.btn {
  padding: 10px 24px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: none;
}

.btn-outline {
  background: transparent;
  color: var(--text-primary, #f1f5f9);
  border: 1px solid var(--nav-border);
}

.btn-outline:hover {
  border-color: #667eea;
  color: #667eea;
}

.btn-primary {
  background: var(--primary-gradient);
  color: white;
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(102, 126, 234, 0.5);
}

/* VIP徽章 */
.vip-badge {
  background: var(--gold-gradient);
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
}

.vip-badge::before {
  content: '👑';
  font-size: 14px;
}

/* 用户菜单 */
.user-menu {
  position: relative;
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s;
  border: 2px solid transparent;
  font-size: 18px;
}

.user-avatar:hover {
  transform: scale(1.1);
  border-color: #667eea;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.user-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  background: var(--bg-card, #1e293b);
  border: 1px solid var(--nav-border);
  border-radius: 12px;
  padding: 8px;
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

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

.user-dropdown-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: var(--text-secondary, #94a3b8);
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.2s;
  font-size: 14px;
}

.user-dropdown-item:hover {
  background: rgba(102, 126, 234, 0.1);
  color: var(--text-primary, #f1f5f9);
}

.user-dropdown-item.logout {
  color: #f87171;
}

.user-dropdown-item.logout:hover {
  background: rgba(248, 113, 113, 0.1);
}

.user-dropdown-divider {
  height: 1px;
  background: var(--nav-border);
  margin: 8px 0;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1002;
}

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background: var(--text-primary, #f1f5f9);
  border-radius: 2px;
  transition: all 0.3s;
}

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

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

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

/* 移动端菜单 */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-dark, #0f172a);
  padding: 24px;
  transform: translateX(100%);
  transition: transform 0.3s;
  z-index: 1001;
  overflow-y: auto;
}

.mobile-menu.active {
  transform: translateX(0);
}

.mobile-menu a {
  display: block;
  padding: 16px 0;
  color: var(--text-primary, #f1f5f9);
  text-decoration: none;
  font-size: 18px;
  border-bottom: 1px solid var(--nav-border);
  transition: all 0.3s;
}

.mobile-menu a:hover {
  color: #667eea;
  padding-left: 10px;
}

.mobile-menu-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
}

/* 响应式 */
@media (max-width: 768px) {
  .navbar-container {
    padding: 0 20px;
  }

  .nav-links {
    display: none;
  }

  .nav-actions {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .mobile-menu {
    display: block;
  }
}