:root{--primary: #2563eb;--primary-dark: #1e40af;--primary-light: #3b82f6;--secondary: #10b981;--secondary-dark: #059669;--danger: #ef4444;--danger-dark: #dc2626;--warning: #f59e0b;--success: #10b981;--info: #3b82f6;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827;--bg-primary: #ffffff;--bg-secondary: #f9fafb;--bg-card: #ffffff;--bg-hover: #f3f4f6;--text-primary: #111827;--text-secondary: #6b7280;--text-muted: #9ca3af;--border-color: #e5e7eb;--border-radius: 12px;--border-radius-sm: 8px;--border-radius-lg: 16px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow: 0 1px 3px 0 rgba(0, 0, 0, .1), 0 1px 2px 0 rgba(0, 0, 0, .06);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--transition: all .2s ease-in-out;--transition-fast: all .15s ease-in-out}*{box-sizing:border-box}body{margin:0;padding:0;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:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;color:var(--text-primary)}#root{min-height:100vh}h1,h2,h3,h4,h5,h6{margin:0;font-weight:600;line-height:1.2}h1{font-size:2rem;color:var(--text-primary)}h2{font-size:1.5rem;color:var(--text-primary);margin-bottom:var(--spacing-md)}h3{font-size:1.25rem;color:var(--text-primary)}p{margin:0;line-height:1.6}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border:none;border-radius:var(--border-radius-sm);font-size:14px;font-weight:500;cursor:pointer;transition:var(--transition);text-decoration:none;gap:var(--spacing-xs)}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);color:#fff;box-shadow:var(--shadow)}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-secondary{background:var(--bg-secondary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover:not(:disabled){background:var(--bg-hover)}.btn-success{background:linear-gradient(135deg,var(--success) 0%,var(--secondary-dark) 100%);color:#fff;box-shadow:var(--shadow)}.btn-success:hover:not(:disabled){transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:var(--danger-dark)}.btn-sm{padding:6px 12px;font-size:12px}.btn-icon{padding:8px;width:36px;height:36px}.card{background:var(--bg-card);border-radius:var(--border-radius);padding:var(--spacing-lg);box-shadow:var(--shadow);border:1px solid var(--border-color);transition:var(--transition)}.card:hover{box-shadow:var(--shadow-md)}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-md);padding-bottom:var(--spacing-md);border-bottom:1px solid var(--border-color)}.card-title{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin:0}.form-group{margin-bottom:var(--spacing-md)}.form-label{display:block;font-size:14px;font-weight:500;color:var(--text-primary);margin-bottom:var(--spacing-xs)}.form-input,.form-select{width:100%;padding:10px 12px;border:1px solid var(--border-color);border-radius:var(--border-radius-sm);font-size:14px;transition:var(--transition);background:var(--bg-primary);color:var(--text-primary)}.form-input:focus,.form-select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}.form-input:disabled,.form-select:disabled{background:var(--gray-100);cursor:not-allowed}.checkbox-group{display:flex;align-items:center;gap:var(--spacing-sm)}.checkbox{width:18px;height:18px;cursor:pointer;accent-color:var(--primary)}.badge{display:inline-flex;align-items:center;padding:6px 12px;border-radius:20px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.badge-success{background:#d1fae5;color:#065f46}.badge-danger{background:#fee2e2;color:#991b1b}.badge-info{background:#dbeafe;color:#1e40af}.badge-secondary{background:var(--gray-100);color:var(--gray-700)}.badge-warning{background:#fef3c7;color:#92400e}.relay-btn{padding:12px 16px;border-radius:var(--border-radius-sm);border:2px solid;font-weight:600;cursor:pointer;transition:var(--transition);display:flex;flex-direction:column;align-items:center;gap:4px;min-width:80px}.relay-btn.active{background:linear-gradient(135deg,var(--success) 0%,var(--secondary-dark) 100%);border-color:var(--secondary-dark);color:#fff;box-shadow:var(--shadow-md)}.relay-btn.inactive{background:var(--bg-secondary);border-color:var(--border-color);color:var(--text-secondary)}.relay-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--shadow-lg)}.relay-btn:disabled{opacity:.6;cursor:not-allowed}.alert{padding:12px 16px;border-radius:var(--border-radius-sm);margin-bottom:var(--spacing-md);display:flex;align-items:center;gap:var(--spacing-sm)}.alert-error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}.alert-success{background:#d1fae5;color:#065f46;border:1px solid #a7f3d0}.alert-warning{background:#fef3c7;color:#92400e;border:1px solid #fde68a}.alert-info{background:#dbeafe;color:#1e40af;border:1px solid #bfdbfe}.loading{display:flex;align-items:center;justify-content:center;padding:var(--spacing-xl);color:var(--text-secondary)}.spinner{display:inline-block;width:20px;height:20px;border:3px solid var(--gray-200);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin-right:var(--spacing-sm)}@keyframes spin{to{transform:rotate(360deg)}}.container{max-width:1200px;margin:0 auto;padding:var(--spacing-lg)}.flex{display:flex}.flex-between{display:flex;justify-content:space-between;align-items:center}.flex-center{display:flex;align-items:center;justify-content:center}.gap-sm{gap:var(--spacing-sm)}.gap-md{gap:var(--spacing-md)}.gap-lg{gap:var(--spacing-lg)}.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.mt-sm{margin-top:var(--spacing-sm)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.grid{display:grid}.grid-cols-auto{grid-template-columns:repeat(auto-fill,minmax(120px,1fr))}.grid-responsive{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:var(--spacing-md)}.grid-responsive-sm{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:var(--spacing-md)}@media (max-width: 1024px){.container{padding:var(--spacing-md);max-width:100%}.card-header{flex-direction:column;align-items:flex-start;gap:var(--spacing-sm)}}@media (max-width: 768px){body{font-size:14px}.container{padding:var(--spacing-sm)}h1{font-size:1.5rem}h2{font-size:1.25rem}h3{font-size:1.1rem}.card{padding:var(--spacing-md)}.card-header{flex-direction:column;align-items:stretch;gap:var(--spacing-sm)}.flex-between{flex-direction:column;align-items:stretch;gap:var(--spacing-md)}.flex{flex-wrap:wrap}.gap-sm{gap:var(--spacing-xs)}.gap-md{gap:var(--spacing-sm)}.btn{padding:8px 16px;font-size:13px}.btn-sm{padding:4px 8px;font-size:11px}.grid{grid-template-columns:1fr!important}.grid-cols-auto{grid-template-columns:repeat(auto-fill,minmax(100px,1fr))!important}.grid-responsive,.grid-responsive-sm{grid-template-columns:1fr!important}.form-input,.form-select{font-size:16px}.relay-btn{min-width:70px;padding:10px 8px;font-size:12px}.badge{font-size:11px;padding:4px 10px}}@media (max-width: 480px){.container{padding:var(--spacing-xs)}.card{padding:var(--spacing-sm);border-radius:var(--border-radius-sm)}h1{font-size:1.25rem}h2,.card-title{font-size:1.1rem}.btn{width:100%;justify-content:center}.card-header .flex .btn{width:100%}.flex-center{padding:var(--spacing-sm)}.grid-cols-auto{grid-template-columns:repeat(2,1fr)!important}.relay-btn{min-width:60px;padding:8px 6px;font-size:11px}.badge{font-size:10px;padding:3px 8px}.form-group{margin-bottom:var(--spacing-sm)}.form-label{font-size:13px}.alert{font-size:13px;padding:10px 12px}}@media (max-width: 768px) and (orientation: landscape){.container,.card{padding:var(--spacing-sm)}h1{font-size:1.25rem}h2{font-size:1.1rem}}@media (hover: none) and (pointer: coarse){.btn,button,.relay-btn{min-height:44px}.checkbox{width:24px;height:24px}input[type=text],input[type=password],input[type=number],input[type=time],input[type=date],select{min-height:44px}}