:root {
    --primary-color: #006bb7;
    --primary-hover: #005a9b;
    --bg-color: #f0f2f5;
    --sidebar-bg-start: #052767;
    --sidebar-bg-end: #3a0647;
    --nav-link-color: #d7d7d7;
    --nav-link-active-bg: rgba(255, 255, 255, 0.37);
    --nav-link-hover-bg: rgba(255, 255, 255, 0.1);
    --font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --header-bg: #ffffff;
    --header-border: #d6d5d5;
    --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}