/* 用户下拉菜单样式 */
.user-dropdown {
    position: relative;
    cursor: pointer;
}

.user-dropdown-trigger {
    display: flex;
    align-items: center;
    padding: 5px;
    border-radius: 5px;
    background-color: rgba(0, 0, 0, 0.3);
    border: 1px solid #4caf50;
    transition: all 0.3s ease;
}

.user-dropdown-trigger:hover {
    background-color: rgba(76, 175, 80, 0.2);
    box-shadow: 0 0 10px rgba(76, 175, 80, 0.5);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid #4caf50;
    box-shadow: 0 0 8px rgba(76, 175, 80, 0.5);
}

.dropdown-arrow {
    margin-left: 8px;
    color: #4caf50;
    transition: transform 0.3s ease;
}

.user-dropdown:hover .dropdown-arrow i,
.user-dropdown-content.show ~ .user-dropdown-trigger .dropdown-arrow i {
    transform: rotate(180deg);
}

/* 下拉内容样式 */
.user-dropdown-content {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 200px;
    margin-top: 10px;
    background-color: rgba(0, 0, 0, 0.9);
    border: 1px solid #4caf50;
    border-radius: 5px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    box-shadow: 0 0 15px rgba(76, 175, 80, 0.4);
}

/* 下拉菜单显示效果 */
.user-dropdown:hover .user-dropdown-content,
.user-dropdown-content.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu-items {
    padding: 10px 0;
}

.dropdown-item {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: #fff;
    text-decoration: none;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.dropdown-item:hover {
    background-color: rgba(76, 175, 80, 0.2);
    color: #4caf50;
}

.dropdown-item i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
    color: #4caf50;
}

/* 点击动画效果 */
.dropdown-item.clicked::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(76, 175, 80, 0.7);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%);
    transform-origin: 50% 50%;
    animation: ripple 0.6s ease-out;
}

@keyframes ripple {
    0% {
        transform: scale(0, 0);
        opacity: 0.5;
    }
    100% {
        transform: scale(20, 20);
        opacity: 0;
    }
}

/* 菜单项分隔线 */
.dropdown-item:not(:last-child) {
    border-bottom: 1px solid rgba(76, 175, 80, 0.1);
}

/* 触发区域扩大 */
.user-dropdown::before {
    content: '';
    position: absolute;
    top: -10px;
    right: -10px;
    bottom: -10px;
    left: -10px;
    z-index: -1;
}