:root{--page-bg: #f7f8fa;--nav-bg: #ffffff;--footer-bg: #f1f3f5;--text-primary: #222;--accent-color: #c89b3c;--border-color: #e5e5e5}.dark-theme{--page-bg: #121212;--nav-bg: #1a1a1a;--footer-bg: #161616;--text-primary: #f5f5f5;--accent-color: #e0b354;--border-color: #333}body{background:var(--page-bg);color:var(--text-primary)}body body{font-family:Roboto,sans-serif}html,body{height:100%;margin:0}.app-container{min-height:100vh;display:flex;flex-direction:column}.content{flex:1}