.btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;font-size:1rem;font-weight:500;border-radius:var(--radius-md);border:none;cursor:pointer;transition:all .2s;text-decoration:none;min-height:44px;gap:.5rem;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background-color:#3b82f6;color:#fff}.btn-primary:hover:not(:disabled){background-color:#2563eb;transform:translateY(-1px);box-shadow:0 4px 12px #3b82f64d}.btn-secondary{background-color:#4caf50;color:#fff}.btn-secondary:hover:not(:disabled){background-color:#45a049;transform:translateY(-1px);box-shadow:0 4px 12px #4caf504d}.btn-cancel{background-color:#fff;color:#666;border:1px solid #ddd}.btn-cancel:hover:not(:disabled){background-color:#f9f9f9;color:#333}.btn-success{background-color:var(--success);color:#fff}.btn-success:hover:not(:disabled){background-color:#059669}.btn-warning{background-color:var(--warning);color:#fff}.btn-warning:hover:not(:disabled){background-color:#d97706}.btn-danger{background-color:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background-color:#dc2626}.btn-sm{padding:.5rem 1rem;font-size:.875rem;min-height:36px}.btn-lg{padding:1rem 2rem;font-size:1.125rem;min-height:52px}.btn-block{width:100%}.btn i{font-size:1rem;line-height:1}.btn-sm i{font-size:.875rem}.btn-lg i{font-size:1.25rem}.btn-icon{padding:.5rem;min-width:44px;min-height:44px}.btn-icon.btn-sm{padding:.375rem;min-width:36px;min-height:36px}.btn-scan{padding:.75rem 1rem;font-size:1.5rem;background-color:var(--primary);color:#fff;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all .2s;min-height:44px}.btn-scan:hover:not(:disabled){background-color:var(--primary-dark)}.btn-scan:disabled{opacity:.5;cursor:not-allowed}.btn-group{display:flex;gap:.5rem}@media (max-width: 640px){.btn-group{flex-direction:column}.btn-group .btn{width:100%}}.page-header .btn{width:100%}@media (min-width: 640px){.page-header .btn{width:auto}}.actions{display:flex;flex-direction:column;gap:.5rem;width:100%}@media (min-width: 768px){.actions{flex-direction:row;width:auto}}.edit-actions{display:flex;gap:.5rem}.modal-close{background:none;border:none;padding:.5rem;cursor:pointer;color:var(--gray-500);border-radius:var(--radius-md);transition:all .2s;display:flex;align-items:center;justify-content:center;min-width:32px;min-height:32px}.modal-close:hover{background:var(--gray-100);color:var(--gray-900)}.modal-close i{font-size:1rem}.machine-actions .btn,.product-actions .btn{display:flex;align-items:center;gap:.5rem;padding:.5rem .875rem;font-size:.875rem}*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #3b82f6;--primary-dark: #2563eb;--secondary: #4CAF50;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--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;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: .75rem;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background-color:var(--gray-50);color:var(--gray-900);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--spacing-md)}input,select,textarea{width:100%;padding:.75rem;font-size:1rem;border:1px solid var(--gray-300);border-radius:var(--radius-md);background-color:#fff;min-height:44px;transition:border-color .2s}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #4f46e51a}input:disabled,select:disabled,textarea:disabled{background-color:var(--gray-100);cursor:not-allowed}label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--gray-700)}.form-group{margin-bottom:var(--spacing-lg)}.card{background:#fff;border-radius:var(--radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow-sm);margin-bottom:var(--spacing-md)}.card-header{font-size:1.25rem;font-weight:600;margin-bottom:var(--spacing-md);color:var(--gray-900)}.alert{padding:var(--spacing-md);border-radius:var(--radius-md);margin-bottom:var(--spacing-md)}.alert-success{background-color:#d1fae5;color:#065f46;border:1px solid #10b981}.alert-warning{background-color:#fef3c7;color:#92400e;border:1px solid #f59e0b}.alert-danger{background-color:#fee2e2;color:#991b1b;border:1px solid #ef4444}.alert-info{background-color:#dbeafe;color:#1e40af;border:1px solid #3b82f6}.badge{display:inline-flex;align-items:center;padding:.25rem .75rem;font-size:.75rem;font-weight:500;border-radius:9999px}.badge-success{background-color:#d1fae5;color:#065f46}.badge-warning{background-color:#fef3c7;color:#92400e}.badge-danger{background-color:#fee2e2;color:#991b1b}.badge-gray{background-color:var(--gray-200);color:var(--gray-700)}.spinner{border:3px solid var(--gray-200);border-top-color:var(--primary);border-radius:50%;width:40px;height:40px;animation:spin .8s linear infinite;margin:0 auto}@keyframes spin{to{transform:rotate(360deg)}}.loading-container{display:flex;justify-content:center;align-items:center;min-height:200px}.grid{display:grid;gap:var(--spacing-md)}.grid-cols-2{grid-template-columns:repeat(2,1fr)}.grid-cols-3{grid-template-columns:repeat(3,1fr)}@media (max-width: 768px){.grid-cols-2,.grid-cols-3{grid-template-columns:1fr}}.stat-card{background:#fff;border-radius:var(--radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow-sm);text-align:center}.stat-value{font-size:2rem;font-weight:700;color:var(--primary)}.stat-label{font-size:.875rem;color:var(--gray-600);margin-top:.5rem}.text-center{text-align:center}.text-right{text-align:right}.text-sm{font-size:.875rem}.text-lg{font-size:1.125rem}.font-bold{font-weight:700}.text-gray-600{color:var(--gray-600)}.text-success{color:var(--success)}.text-warning{color:var(--warning)}.text-danger{color:var(--danger)}.mt-1{margin-top:var(--spacing-sm)}.mt-2{margin-top:var(--spacing-md)}.mt-3{margin-top:var(--spacing-lg)}.mb-1{margin-bottom:var(--spacing-sm)}.mb-2{margin-bottom:var(--spacing-md)}.mb-3{margin-bottom:var(--spacing-lg)}video{width:100%;max-width:100%;height:auto;border-radius:var(--radius-md)}.icon{font-size:1.25rem;line-height:1}.icon-lg{font-size:2rem}.icon-xl{font-size:2.5rem}.page-title{display:flex;align-items:center;gap:.75rem}.page-title i{color:var(--primary);font-size:1.75rem}.section-title{display:flex;align-items:center;gap:.5rem}.section-title i{color:var(--primary)}