*{box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:1rem;line-height:1.5;color:#111827;background:#f9fafb}h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;line-height:1.25;color:#111827}h1{font-size:1.875rem}h2{font-size:1.5rem}h3{font-size:1.25rem}h4{font-size:1.125rem}h5{font-size:1rem}h6{font-size:.875rem}p{margin:0 0 1rem;color:#4b5563}a{color:#3b82f6;text-decoration:none;transition:color .2s ease}a:hover{color:#1e40af}ul,ol{margin:0;padding:0;list-style:none}img{max-width:100%;height:auto;display:block}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1rem}@media (min-width: 768px){.container{padding:0 2rem}}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.mt-0{margin-top:0}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mb-0{margin-bottom:0}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:1rem 1.5rem;border:none;border-radius:8px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease}.btn:focus-visible{outline:2px solid #3b82f6;outline-offset:2px}.btn:disabled{opacity:.6;cursor:not-allowed}.btn.btn-primary{background:#3b82f6;color:#fff}.btn.btn-primary:hover:not(:disabled){background:#1e40af;transform:translateY(-1px);box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.btn.btn-secondary{background:#e5e7eb;color:#111827}.btn.btn-secondary:hover:not(:disabled){background:#d1d5db}.btn.btn-success{background:#10b981;color:#fff}.btn.btn-success:hover:not(:disabled){background:#047857}.btn.btn-error{background:#ef4444;color:#fff}.btn.btn-error:hover:not(:disabled){background:#dc2626}.btn.btn-block{width:100%}.btn.btn-sm{padding:.5rem 1rem;font-size:.875rem}.btn.btn-lg{padding:1.5rem 2rem;font-size:1.125rem}.form-group{margin-bottom:1.5rem}.form-label{display:block;margin-bottom:.5rem;font-weight:600;color:#111827;font-size:.875rem}.form-control{width:100%;padding:1rem;border:1px solid #e5e7eb;border-radius:8px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:1rem;background:#fff;color:#111827;transition:border-color .2s ease}.form-control:focus-visible{outline:2px solid #3b82f6;outline-offset:2px}.form-control:focus{border-color:#3b82f6}.form-control::placeholder{color:#6b7280}.form-control.invalid{border-color:#ef4444}.form-error{display:block;margin-top:.25rem;color:#ef4444;font-size:.75rem}.card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:1.5rem;box-shadow:0 1px 2px #0000000d}.card-header{padding-bottom:1rem;margin-bottom:1rem;border-bottom:1px solid #e5e7eb}.card-title{margin:0;font-size:1.25rem;font-weight:700;color:#111827}.alert{padding:1rem;border-radius:8px;margin-bottom:1rem;font-size:.875rem}.alert.alert-success{background:#f0fdf4;border:1px solid #34d399;color:#047857}.alert.alert-error{background:#fef2f2;border:1px solid #f87171;color:#dc2626}.alert.alert-warning{background:#fffbeb;border:1px solid #fbbf24;color:#d97706}.alert.alert-info{background:#eff6ff;border:1px solid #60a5fa;color:#1e40af}.badge{display:inline-flex;align-items:center;gap:.25rem;padding:.25rem .5rem;border-radius:6px;font-size:.75rem;font-weight:600}.badge.badge-success{background:#f0fdf4;color:#047857}.badge.badge-error{background:#fef2f2;color:#dc2626}.badge.badge-warning{background:#fffbeb;color:#d97706}.spinner{width:20px;height:20px;border:2px solid #e5e7eb;border-top:2px solid #3b82f6;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}