:root{--bg: #080812;--surface: #12121f;--text: #f2f2f7;--muted: #9a9ab0;--accent: #6ea8fe;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text)}a{color:var(--accent)}[dir=rtl]{direction:rtl}.app-shell{display:flex;flex-direction:column;height:100%;max-width:480px;margin:0 auto}.app-main{flex:1;overflow-y:auto;padding:16px}.bottom-nav{display:flex;border-top:1px solid #22223a;background:var(--surface)}.bottom-nav a{flex:1;text-align:center;padding:12px 0;color:var(--muted);text-decoration:none;font-size:13px}.bottom-nav a.active{color:var(--accent)}.center{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;height:100%;text-align:center;padding:24px}button{background:var(--accent);color:#06060c;border:0;border-radius:10px;padding:12px 16px;font-size:15px;font-weight:600;cursor:pointer}input{width:100%;padding:12px;border-radius:10px;border:1px solid #2a2a44;background:#0d0d18;color:var(--text);font-size:15px}