/* 移动端导航栏样式 */

/* 汉堡菜单按钮 */
.navbar-mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 24px;
  height: 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 101;
}

.navbar-mobile-toggle:focus {
  outline: none;
}

.navbar-mobile-toggle span {
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 4px;
  transition: all 0.3s linear;
  position: relative;
  transform-origin: center;
}

/* 小尺寸主题切换按钮 */
.theme-toggle-small {
  width: 24px;
  height: 24px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

/* 移动端导航菜单 */
.navbar-menu-mobile {
  display: none;
  position: fixed;
  top: 50px;
  left: 0;
  right: 0;
  background-color: var(--navbar-bg);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  z-index: 100;
  padding: 5px 0;
}

.navbar-menu-mobile.show {
  display: block;
  animation: slideDown 0.3s ease;
}

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

.nav-menu-item {
  padding: 8px 15px;
  border-bottom: 1px solid var(--border-color);
}

.nav-menu-item:last-child {
  border-bottom: none;
}

.nav-menu-item a {
  display: block;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 14px;
  padding: 6px 0;
}

.nav-menu-item a:hover,
.nav-menu-item a.active {
  color: var(--primary-color);
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 平板及以下设备 (≤768px) */
@media (max-width: 768px) {
  .navbar-mobile-toggle {
    display: flex;
  }
  
  .navbar-menu {
    display: none;
  }
  
  .navbar .container {
    flex-direction: row !important;
    justify-content: space-between;
    align-items: center;
  }
  
  .navbar-brand {
    flex: 1;
  }
  
  .navbar-user {
    flex: 0 0 auto;
  }
}

/* 桌面设备 (>768px) */
@media (min-width: 769px) {
  .navbar-mobile-toggle {
    display: none !important;
  }
  
  .navbar-menu-mobile {
    display: none !important;
  }
}