*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f5f5f5}#root{min-height:100vh}.container{max-width:1200px;margin:0 auto;padding:2rem}.card{background:#fff;border-radius:8px;padding:2rem;box-shadow:0 1px 3px #0000001a;margin-bottom:1rem}button{padding:.75rem 1.5rem;border:none;border-radius:6px;font-size:1rem;cursor:pointer;transition:all .2s}button.primary{background:#2563eb;color:#fff}button.primary:hover{background:#1d4ed8}button.secondary{background:#f3f4f6;color:#374151}button.secondary:hover{background:#e5e7eb}button.danger{background:#dc2626;color:#fff}button.danger:hover{background:#b91c1c}button:disabled{opacity:.5;cursor:not-allowed}input,textarea{width:100%;padding:.75rem;border:1px solid #d1d5db;border-radius:6px;font-size:1rem;font-family:inherit}input:focus,textarea:focus{outline:none;border-color:#2563eb;box-shadow:0 0 0 3px #2563eb1a}label{display:block;margin-bottom:.5rem;font-weight:500;color:#374151}.form-group{margin-bottom:1.5rem}.error{color:#dc2626;font-size:.875rem;margin-top:.5rem}.success{color:#059669;font-size:.875rem;margin-top:.5rem}nav{background:#fff;border-bottom:1px solid #e5e7eb;padding:1rem 2rem}nav ul{list-style:none;display:flex;gap:2rem;align-items:center}nav a{color:#374151;text-decoration:none;font-weight:500}nav a:hover{color:#2563eb}h1,h2,h3,h4{color:#111827;margin-bottom:1rem}.loading{display:flex;align-items:center;justify-content:center;min-height:100vh;font-size:1.25rem;color:#6b7280}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem}