html,body{margin:0;padding:0;font-family:Arial,sans-serif;background:#0f172a;color:#e2e8f0}*{box-sizing:border-box}a{color:inherit;text-decoration:none}.page{min-height:100vh;padding:16px 16px 88px}.card{background:#1e293b;border:1px solid #334155;border-radius:12px;padding:16px;margin-bottom:16px}.page-title{font-size:28px;font-weight:700;margin:0 0 8px}.page-subtitle{color:#94a3b8;margin:0 0 20px}.bottom-nav{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:space-around;align-items:center;background:#111827;border-top:1px solid #334155;padding:12px 8px}.bottom-nav a{color:#cbd5e1;font-size:14px}.bottom-nav a.active{color:#fff;font-weight:700}@media(min-width:768px){.page{max-width:900px;margin:0 auto;padding-bottom:32px}.bottom-nav{position:static;max-width:900px;margin:16px auto 0;border:1px solid #334155;border-radius:12px}}.app-content{padding-bottom:70px}