:root{--bg-color:#121212;--surface-color:#1e1e1e;--surface-highlight:#2c2c2c;--text-primary:#fff;--text-secondary:#a0a0a0;--neon-green:#39ff14;--neon-green-dim:#39ff1433;--border-color:#333}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}a{color:inherit;text-decoration:none}button{cursor:pointer;background:0 0;border:none;font-family:inherit}.app-wrapper{background-color:var(--bg-color);flex-direction:column;max-width:480px;min-height:100vh;margin:0 auto;display:flex;position:relative;overflow-x:hidden;box-shadow:0 0 20px #00000080}.content-area{flex:1;padding-bottom:80px}.card{background-color:var(--surface-color);border:1px solid var(--border-color);border-radius:16px;margin-bottom:16px;padding:16px}.title{color:var(--text-primary);margin-bottom:8px;font-size:1.5rem;font-weight:700}.subtitle{color:var(--text-secondary);margin-bottom:24px;font-size:1rem}.bottom-nav{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px solid var(--border-color);z-index:100;background-color:#121212e6;justify-content:space-around;align-items:center;width:100%;max-width:480px;height:64px;margin:0 auto;display:flex;position:fixed;bottom:0;left:0;right:0}.nav-item{color:var(--text-secondary);flex-direction:column;align-items:center;text-decoration:none;transition:color .2s;display:flex}.nav-item.active{color:var(--neon-green)}.nav-item span{margin-top:4px;font-size:.75rem}