:root{--bg-dark:#0f1523;--bg-panel:#161d2d;--accent-gold:#d4af37;--text-main:#f3f4f6;--text-muted:#9ca3af;--border-color:#2a3449}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-dark);color:var(--text-main);-webkit-font-smoothing:antialiased;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.app-container{height:100vh;display:flex;overflow:hidden}.sidebar{background-color:var(--bg-panel);border-right:1px solid var(--border-color);flex-direction:column;width:260px;display:flex}.main-wrapper{background-color:var(--bg-dark);flex-direction:column;flex:1;display:flex}.topbar{border-bottom:1px solid var(--border-color);background-color:var(--bg-dark);justify-content:space-between;align-items:center;height:75px;padding:0 2rem;display:flex}.content-area{flex:1;padding:2rem;overflow-y:auto}