:root{--primary:#2563eb;--primary-light:#eff6ff;--secondary:#10b981;--background:#f8fafc;--surface:#fff;--text-main:#1e293b;--text-secondary:#64748b;--border:#e2e8f0;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a;--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}html,body{max-width:100vw;color:var(--text-main);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;background:#f1f5f9;overflow-x:hidden}.app-container{background:var(--background);max-width:480px;min-height:100vh;margin:0 auto;padding-bottom:70px;position:relative;box-shadow:0 0 40px #0000001a}a{color:inherit;text-decoration:none}h1,h2,h3,h4,h5,h6{color:var(--text-main);font-weight:600}button{font-family:inherit}