/* 🧭 用户导航系统样式 */

/* 主导航容器 */
.main-navigation {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 0 20px;
    background: rgba(139, 69, 19, 0.1);
    border-bottom: 2px solid rgba(218, 165, 32, 0.2);
    backdrop-filter: blur(10px);
}

.nav-menu-wrapper {
    flex: 1;
}

/* 用户导航区域 */
.user-navigation {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* 认证按钮（未登录状态） */
.auth-buttons {
    display: flex;
    gap: 10px;
}

.auth-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border: none;
    border-radius: 20px;
    font-family: 'Noto Serif SC', serif;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.auth-btn.login-btn {
    background: rgba(255, 255, 255, 0.1);
    color: #FFD700;
    border: 2px solid rgba(255, 215, 0, 0.3);
}

.auth-btn.login-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 215, 0, 0.5);
    transform: translateY(-1px);
}

.auth-btn.register-btn {
    background: linear-gradient(45deg, #DAA520, #FFD700);
    color: #8B4513;
    border: 2px solid #DAA520;
}

.auth-btn.register-btn:hover {
    background: linear-gradient(45deg, #B8860B, #DAA520);
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(218, 165, 32, 0.4);
}

.btn-icon {
    font-size: 16px;
}

.btn-text {
    font-size: 14px;
}

/* 用户菜单容器（已登录状态） */
.user-menu-container {
    position: relative;
}

.user-menu-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 215, 0, 0.3);
    border-radius: 25px;
    color: #FFD700;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Noto Serif SC', serif;
    font-size: 14px;
}

.user-menu-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 215, 0, 0.5);
    transform: translateY(-1px);
}

.user-avatar-small {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid #FFD700;
    object-fit: cover;
}

.user-name {
    font-weight: 600;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.menu-arrow {
    font-size: 12px;
    transition: transform 0.3s ease;
}

.user-menu-toggle[aria-expanded="true"] .menu-arrow {
    transform: rotate(180deg);
}

/* 用户下拉菜单 */
.user-dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 280px;
    background: linear-gradient(135deg, #2c1810, #1a1a1a);
    border: 2px solid rgba(218, 165, 32, 0.3);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(15px);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 9999;
}

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

/* 用户菜单头部 */
.user-menu-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px;
    border-bottom: 1px solid rgba(218, 165, 32, 0.2);
}

.user-avatar-large {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 3px solid #FFD700;
    object-fit: cover;
}

.user-info {
    flex: 1;
}

.user-display-name {
    font-size: 16px;
    font-weight: 700;
    color: #FFD700;
    margin-bottom: 4px;
}

.user-email {
    font-size: 12px;
    color: rgba(255, 215, 0, 0.7);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 用户菜单项 */
.user-menu-items {
    padding: 10px 0;
}

.user-menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: #FFD700;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
}

.user-menu-item:hover {
    background: rgba(255, 215, 0, 0.1);
    color: #FFA500;
    transform: translateX(5px);
}

.user-menu-item.logout:hover {
    background: rgba(255, 68, 68, 0.1);
    color: #ff6b6b;
}

.menu-icon {
    font-size: 18px;
    width: 20px;
    text-align: center;
}

.menu-text {
    flex: 1;
}

.menu-divider {
    height: 1px;
    background: rgba(218, 165, 32, 0.2);
    margin: 8px 20px;
}

/* 移动端菜单切换按钮 */
.menu-toggle {
    display: none;
    background: none;
    border: 2px solid rgba(255, 215, 0, 0.3);
    color: #FFD700;
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.menu-toggle:hover {
    border-color: rgba(255, 215, 0, 0.5);
    background: rgba(255, 255, 255, 0.1);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .main-navigation {
        padding: 0 15px;
    }
    
    .user-name {
        max-width: 100px;
    }
    
    .user-dropdown-menu {
        min-width: 260px;
    }
}

@media (max-width: 768px) {
    .main-navigation {
        flex-direction: column;
        padding: 15px;
        gap: 15px;
    }
    
    .nav-menu-wrapper {
        width: 100%;
        order: 2;
    }
    
    .user-navigation {
        width: 100%;
        justify-content: center;
        order: 1;
    }
    
    .menu-toggle {
        display: block;
        order: 3;
    }
    
    .auth-buttons {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .auth-btn {
        padding: 10px 20px;
        font-size: 16px;
    }
    
    .user-menu-toggle {
        padding: 8px 16px;
    }
    
    .user-dropdown-menu {
        position: fixed;
        top: auto;
        right: 10px;
        left: 10px;
        min-width: auto;
        max-width: none;
    }
    
    .user-menu-header {
        padding: 15px;
    }
    
    .user-menu-item {
        padding: 15px 20px;
        font-size: 16px;
    }
    
    .menu-icon {
        font-size: 20px;
        width: 24px;
    }
}

@media (max-width: 480px) {
    .main-navigation {
        padding: 10px;
    }
    
    .auth-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .auth-btn {
        width: 100%;
        justify-content: center;
        padding: 12px 20px;
    }
    
    .user-menu-toggle {
        width: 100%;
        justify-content: center;
        padding: 10px 16px;
    }
    
    .user-name {
        max-width: none;
    }
    
    .user-dropdown-menu {
        right: 5px;
        left: 5px;
    }
}

/* 动画效果 */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.user-dropdown-menu.show {
    animation: slideDown 0.3s ease;
}

.user-dropdown-menu.hide {
    animation: slideUp 0.3s ease;
}

/* 焦点和无障碍 */
.auth-btn:focus,
.user-menu-toggle:focus,
.user-menu-item:focus {
    outline: 2px solid #FFD700;
    outline-offset: 2px;
}

.user-menu-item:focus {
    background: rgba(255, 215, 0, 0.1);
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    .auth-btn,
    .user-menu-toggle {
        border-width: 3px;
    }
    
    .user-dropdown-menu {
        border-width: 3px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
    }
}

/* 减少动画模式支持 */
@media (prefers-reduced-motion: reduce) {
    .auth-btn,
    .user-menu-toggle,
    .user-menu-item,
    .user-dropdown-menu,
    .menu-arrow {
        transition: none;
    }
    
    .user-dropdown-menu.show,
    .user-dropdown-menu.hide {
        animation: none;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    .main-navigation {
        background: rgba(0, 0, 0, 0.3);
        border-bottom-color: rgba(255, 215, 0, 0.3);
    }
    
    .user-dropdown-menu {
        background: linear-gradient(135deg, #1a1a1a, #0a0a0a);
        border-color: rgba(255, 215, 0, 0.4);
    }
}