:root{--bg-color:#121212;--surface-color:#1e1e1e;--text-primary:#fff;--text-secondary:#a0a0a0;--accent-color:#39ff14}body{background-color:var(--bg-color);color:var(--text-primary);-webkit-user-select:none;user-select:none;margin:0;padding:0;font-family:Inter,-apple-system,sans-serif}.bottom-nav{background-color:var(--surface-color);z-index:100;border-top:1px solid #2a2a2a;justify-content:space-around;align-items:center;height:60px;display:flex;position:fixed;bottom:0;left:0;right:0}.nav-item{color:var(--text-secondary);cursor:pointer;flex-direction:column;align-items:center;font-size:12px;display:flex}.nav-item.active{color:var(--accent-color)}.app-container{padding-bottom:70px}