*{box-sizing:border-box}body,html{margin:0;height:100%}body{font-family:system-ui,-apple-system,Segoe UI,sans-serif;background:#f8fafc;color:#0f172a}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.btn{padding:10px 16px;border-radius:8px;border:1px solid #cbd5e1;background:white;cursor:pointer;font-size:15px}.btn-primary{background:#2563eb;color:white;border-color:#2563eb;font-weight:600}.btn-block{width:100%}.field{display:flex;flex-direction:column;gap:4px;font-size:14px}.field input,.field select{padding:10px 12px;border:1px solid #cbd5e1;border-radius:8px}.card{border:1px solid #e2e8f0;border-radius:12px;padding:16px}.card,.tabbar{background:white}.tabbar{position:fixed;bottom:0;left:0;right:0;display:flex;border-top:1px solid #e2e8f0;padding:8px 0 calc(8px + env(safe-area-inset-bottom))}.tabbar a{flex:1 1;text-align:center;font-size:12px;color:#64748b;padding:6px 0}.tabbar a.active{color:#2563eb;font-weight:600}.screen{padding:16px 16px 84px;max-width:480px;margin:0 auto}