*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:#f8fafc;color:#1e293b;line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app{min-height:100vh;display:flex;flex-direction:column}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border:none;border-radius:.5rem;font-weight:600;text-decoration:none;cursor:pointer;transition:all .2s}.btn-primary{background-color:#3b82f6;color:#fff}.btn-primary:hover{background-color:#2563eb}.btn-secondary{background-color:#f1f5f9;color:#475569}.btn-secondary:hover{background-color:#e2e8f0}.card{background:#fff;border-radius:.75rem;padding:1.5rem;box-shadow:0 1px 3px #0000001a,0 1px 2px #0000000f;border:1px solid rgba(0,0,0,.05)}.input{width:100%;padding:.75rem;border:2px solid #e2e8f0;border-radius:.5rem;font-size:1rem;transition:border-color .2s}.input:focus{outline:none;border-color:#0ea5e9}@media (max-width: 768px){.container{padding:0 1rem}.card{padding:1rem}}