/* Admin Sidebar */
/* 后台侧边栏导航 */
.admin-sidebar {
    min-height: 600px;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
}

.admin-nav-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 16px;
}

.admin-nav-menu a {
    display: block;
    padding: 12px 14px;
    border-radius: 8px;
    color: #374151;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s ease;
}

.admin-nav-menu a:hover {
    background: #f3f4f6;
    color: #111827;
}

.admin-nav-menu a.active {
    background: #111827;
    color: #ffffff;
}