*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #2563eb;--primary-dark: #1e40af;--secondary-color: #64748b;--success-color: #10b981;--danger-color: #ef4444;--warning-color: #f59e0b;--background: #ffffff;--surface: #f8fafc;--border: #e2e8f0;--text-primary: #1e293b;--text-secondary: #64748b;--shadow: 0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1)}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-color:var(--surface);color:var(--text-primary);line-height:1.6}#root{min-height:100vh}h1,h2,h3,h4,h5,h6{line-height:1.2;font-weight:600;margin-bottom:1rem}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}h4{font-size:1.25rem}a{color:var(--primary-color);text-decoration:none}a:hover{text-decoration:underline}.btn{display:inline-block;padding:.75rem 1.5rem;border:none;border-radius:.375rem;font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s;text-align:center}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover:not(:disabled){background-color:var(--primary-dark)}.btn-secondary{background-color:var(--secondary-color);color:#fff}.btn-danger{background-color:var(--danger-color);color:#fff}.btn-outline{background-color:transparent;border:2px solid var(--primary-color);color:var(--primary-color)}.btn-outline:hover:not(:disabled){background-color:var(--primary-color);color:#fff}.form-group{margin-bottom:1.5rem}label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-primary)}input,textarea,select{width:100%;padding:.75rem;border:1px solid var(--border);border-radius:.375rem;font-size:1rem;transition:border-color .2s}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}textarea{resize:vertical;min-height:100px}.card{background-color:var(--background);border-radius:.5rem;padding:1.5rem;box-shadow:var(--shadow)}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.container-sm{max-width:600px;margin:0 auto;padding:0 1rem}.text-center{text-align:center}.text-right{text-align:right}.text-muted{color:var(--text-secondary)}.text-danger{color:var(--danger-color)}.text-success{color:var(--success-color)}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}.ml-2{margin-left:1rem}.mr-2{margin-right:1rem}.p-4{padding:2rem}.grid{display:grid;gap:1.5rem}.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.flex{display:flex}.flex-between{display:flex;justify-content:space-between;align-items:center}.flex-center{display:flex;justify-content:center;align-items:center}.gap-2{gap:1rem}.spinner{border:4px solid var(--border);border-top:4px solid var(--primary-color);border-radius:50%;width:40px;height:40px;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.alert{padding:1rem;border-radius:.375rem;margin-bottom:1rem}.alert-error{background-color:#fef2f2;color:var(--danger-color);border:1px solid #fecaca}.alert-success{background-color:#f0fdf4;color:var(--success-color);border:1px solid #bbf7d0}.alert-info{background-color:#eff6ff;color:var(--primary-color);border:1px solid #bfdbfe}.badge{display:inline-block;padding:.25rem .75rem;border-radius:9999px;font-size:.875rem;font-weight:500}.badge-primary{background-color:#dbeafe;color:var(--primary-color)}.badge-success{background-color:#d1fae5;color:var(--success-color)}.badge-warning{background-color:#fef3c7;color:var(--warning-color)}.badge-danger{background-color:#fee2e2;color:var(--danger-color)}.badge-secondary{background-color:#f1f5f9;color:var(--secondary-color)}