/* 灵通资源 - 导航栏样式 */
.nav {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  text-decoration: none;
}

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

.nav-brand img {
  height: 28px;
  width: auto;
  border-radius: 4px;
}

.nav-brand span {
  color: var(--text-muted);
  font-weight: 400;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  font-size: 14px;
  color: var(--text);
  text-decoration: none;
  border-radius: var(--radius);
  transition: all 0.2s;
}

.nav-links a:hover {
  color: var(--primary);
  background: var(--bg);
}

.nav-links a.active {
  color: var(--primary);
  background: rgba(0, 102, 255, 0.08);
}

/* 登录注册按钮 */
.nav-login-btn {
  color: var(--text-light) !important;
}

.nav-register-btn {
  background: var(--primary) !important;
  color: #fff !important;
  font-weight: 500;
}

.nav-register-btn:hover {
  background: var(--primary-hover) !important;
}

/* 用户状态 */
.nav-user {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: 8px;
  padding-left: 12px;
  border-left: 1px solid var(--border);
}

.nav-username {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-logout {
  font-size: 13px !important;
  color: var(--text-muted) !important;
  padding: 6px 10px !important;
}

.nav-logout:hover {
  color: var(--error) !important;
  background: rgba(245, 34, 45, 0.08) !important;
}

.nav-mobile-user {
  display: block;
  padding: 12px 20px;
  font-weight: 500;
  color: var(--primary);
  border-bottom: 1px solid var(--border);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
  color: var(--text);
}

.nav-toggle svg {
  width: 24px;
  height: 24px;
  display: block;
}

/* 移动端导航 */
.nav-mobile {
  display: none;
  background: var(--bg-white);
  border-top: 1px solid var(--border);
}

.nav-mobile a {
  display: block;
  padding: 12px 20px;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
}

.nav-mobile a:last-child {
  border-bottom: none;
}

.nav-mobile a:hover {
  color: var(--primary);
  background: var(--bg);
}

@media (max-width: 768px) {
  .nav-inner {
    padding: 0 16px;
  }
  
  .nav-links {
    display: none;
  }
  
  .nav-toggle {
    display: block;
  }
  
  .nav-mobile.show {
    display: block;
  }
}