:root{--brand-primary: #2563eb;--brand-secondary: #0f172a;--brand-accent: #22d3ee;--brand-bg: #f6f8fc;--brand-navbar: #ffffff;--brand-navbar-text: #0f172a;--brand-sidebar: #ffffff;--brand-sidebar-text: #334155;--brand-sidebar-active: #2563eb;--brand-footer: #0b1220;--brand-footer-text: #e2e8f0;--brand-button: #2563eb;--brand-button-text: #ffffff;--brand-bubble: #eef2ff;--brand-bubble-user: #2563eb;--brand-bubble-bot: #f1f5f9;--brand-theme: #0b1220;}