*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;background-color:#f0fdfa;color:#1e293b;line-height:1.6}:root{--primary-50: #f0fdfa;--primary-100: #ccfbf1;--primary-200: #99f6e4;--primary-300: #5eead4;--primary-400: #2dd4bf;--primary-500: #10b981;--primary-600: #059669;--primary-700: #047857;--primary-800: #065f46;--primary-900: #064e3b;--gray-50: #f8fafc;--gray-100: #f1f5f9;--gray-200: #e2e8f0;--gray-300: #cbd5e1;--gray-400: #94a3b8;--gray-500: #64748b;--gray-600: #475569;--gray-700: #334155;--gray-800: #1e293b;--gray-900: #0f172a;--success-50: #f0fdf4;--success-200: #bbf7d0;--success-500: #22c55e;--success-600: #16a34a;--warning-50: #fffbeb;--warning-500: #f59e0b;--warning-600: #d97706;--error-50: #fef2f2;--error-200: #fecaca;--error-500: #ef4444;--error-600: #dc2626;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px 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);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem}h1,h2,h3,h4,h5,h6{color:var(--gray-900);font-weight:600;line-height:1.25;margin-bottom:var(--space-4)}h1{font-size:2.25rem;font-weight:700}h2{font-size:1.875rem}h3{font-size:1.5rem}h4{font-size:1.25rem}h5{font-size:1.125rem}h6{font-size:1rem}p{line-height:1.7;margin-bottom:var(--space-4);color:var(--gray-700)}a{color:var(--primary-600);text-decoration:none;transition:color .2s ease}a:hover{color:var(--primary-700);text-decoration:underline}input,select,textarea{width:100%;padding:var(--space-3) var(--space-4);margin-bottom:var(--space-4);border-radius:var(--radius-md);border:1px solid var(--gray-300);background-color:#fff;box-sizing:border-box;font-size:1rem;transition:all .2s ease;color:var(--gray-900)}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary-500);box-shadow:0 0 0 3px #10b9811a}input::placeholder{color:var(--gray-400)}button{padding:var(--space-3) var(--space-6);border:none;border-radius:var(--radius-md);cursor:pointer;font-size:1rem;font-weight:500;transition:all .2s ease;display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2)}button:disabled{opacity:.6;cursor:not-allowed}table{width:100%;border-collapse:collapse;background-color:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--gray-200)}th,td{padding:var(--space-4);text-align:left;border:1px solid var(--gray-200)}th{background-color:var(--gray-50);color:var(--gray-700);font-weight:600;font-size:.875rem;text-transform:uppercase;letter-spacing:.05em;border-bottom:2px solid var(--gray-300)}tr:hover{background-color:var(--gray-50)}.card{background-color:#fff;padding:var(--space-8);border-radius:var(--radius-lg);border:1px solid var(--gray-200);box-shadow:var(--shadow-sm);margin-bottom:var(--space-6);transition:box-shadow .2s ease}.card:hover{box-shadow:var(--shadow-md)}.spinner{width:40px;height:40px;border:3px solid var(--gray-200);border-top:3px solid var(--primary-500);border-radius:50%;animation:spin 1s linear infinite;margin:var(--space-8) auto}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}@keyframes slideInFromLeft{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes slideInFromTop{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes glowPulse{0%,to{box-shadow:0 0 5px #14b8a64d}50%{box-shadow:0 0 20px #14b8a699}}@keyframes bounceIn{0%{opacity:0;transform:scale(.3)}50%{opacity:1;transform:scale(1.05)}70%{transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes shimmer{0%{background-position:-200px 0}to{background-position:calc(200px + 100%) 0}}@keyframes searchFocus{0%{transform:scale(1);box-shadow:0 1px 3px #0000000d,0 1px 2px #0000001a}to{transform:scale(1.02);box-shadow:0 0 0 4px #10b9811a,0 4px 12px #0000001a,0 8px 25px #0000001a}}@keyframes searchBarGlow{0%,to{box-shadow:0 1px 3px #0000000d,0 1px 2px #0000001a}50%{box-shadow:0 0 0 4px #10b98126,0 4px 12px #00000026,0 8px 25px #00000026}}@keyframes searchTextPulse{0%,to{opacity:1}50%{opacity:.7}}@keyframes searchIconPulse{0%,to{transform:scale(1);color:var(--gray-400)}50%{transform:scale(1.1);color:var(--primary-500)}}@keyframes clearButtonSlide{0%{opacity:0;transform:translateY(-50%) scale(.8)}to{opacity:1;transform:translateY(-50%) scale(1)}}@keyframes suggestionSlideIn{0%{opacity:0;transform:translateY(-10px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes modalSlideIn{0%{opacity:0;transform:translateY(-20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.badge{display:inline-flex;align-items:center;padding:var(--space-1) var(--space-3);border-radius:var(--radius-sm);font-size:.75rem;font-weight:500;text-transform:uppercase;letter-spacing:.05em}.badge-success{background-color:var(--success-50);color:var(--success-600)}.badge-warning{background-color:var(--warning-50);color:var(--warning-600)}.badge-error{background-color:var(--error-50);color:var(--error-600)}.badge-info{background-color:var(--primary-50);color:var(--primary-600)}.container{max-width:1200px;margin:0 auto;padding:0 var(--space-6)}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-2{gap:var(--space-2)}.gap-4{gap:var(--space-4)}.gap-6{gap:var(--space-6)}.gap-8{gap:var(--space-8)}@media (max-width: 768px){.container{padding:0 var(--space-4)}h1{font-size:1.875rem}h2{font-size:1.5rem}.card{padding:var(--space-6)}}@media print{body *{visibility:hidden}#challan-preview,#challan-preview *{visibility:visible}#challan-preview{position:absolute;left:0;top:0;width:210mm;height:297mm;margin:0;padding:20mm;transform:none;box-shadow:none;border:none;background:#fff}button[onclick*=print]{display:none!important}.page-break{page-break-before:always}*,.preview-box{-webkit-print-color-adjust:exact;color-adjust:exact}}.challan-preview-container{position:relative;margin:20px;padding:20px;background:#f8f9fa;border-radius:8px;box-shadow:0 4px 12px #0000001a}.challan-preview-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding:15px;background:#fff;border-radius:6px;box-shadow:0 2px 8px #0000001a}.challan-preview-title{font-size:18px;font-weight:700;color:#027982}.challan-preview-actions{display:flex;gap:10px}.challan-preview-button{padding:8px 16px;border:none;border-radius:4px;font-size:14px;font-weight:500;cursor:pointer;transition:all .3s ease}.challan-preview-button.primary{background:#027982;color:#fff}.challan-preview-button.primary:hover{background:#025a5f;transform:translateY(-1px)}.challan-preview-button.secondary{background:#6c757d;color:#fff}.challan-preview-button.secondary:hover{background:#5a6268;transform:translateY(-1px)}.challan-table{border-collapse:collapse;width:100%;margin-top:15px;box-shadow:0 2px 8px #0000001a}.challan-table th{background:#027982;color:#fff;padding:12px 8px;text-align:center;font-weight:700;border:2px solid black;font-size:10pt;letter-spacing:.3px}.challan-table td{padding:10px 8px;border:1.5px solid black;text-align:center;font-size:10pt;vertical-align:middle;min-height:28px;background:#ffffffe6}.challan-table tr:nth-child(2n){background:#f8f9fa80}.challan-form-section{background:#fff;border-radius:8px;padding:20px;margin-bottom:20px;box-shadow:0 2px 8px #0000001a}.challan-form-section h3{color:#027982;margin-bottom:15px;font-size:16px;font-weight:700}.challan-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:15px}.challan-form-field{display:flex;flex-direction:column}.challan-form-label{font-weight:500;margin-bottom:5px;color:#495057;font-size:14px}.challan-form-input{padding:10px;border:1px solid #ced4da;border-radius:4px;font-size:14px;transition:border-color .3s ease}.challan-form-input:focus{outline:none;border-color:#027982;box-shadow:0 0 0 3px #0279821a}.challan-form-select{padding:10px;border:1px solid #ced4da;border-radius:4px;font-size:14px;background:#fff;transition:border-color .3s ease}.challan-form-select:focus{outline:none;border-color:#027982;box-shadow:0 0 0 3px #0279821a}.product-selection-container{background:#fff;border-radius:8px;padding:20px;margin-bottom:20px;box-shadow:0 2px 8px #0000001a}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:15px;margin-top:15px}.product-card{border:2px solid #e9ecef;border-radius:6px;padding:15px;cursor:pointer;transition:all .3s ease;background:#fff}.product-card:hover{border-color:#027982;box-shadow:0 4px 12px #02798226;transform:translateY(-2px)}.product-card.selected{border-color:#027982;background:#0279820d}.product-name{font-weight:700;font-size:14px;color:#212529;margin-bottom:5px}.product-code{font-size:12px;color:#027982;font-style:italic;margin-bottom:5px}.product-description{font-size:12px;color:#6c757d;font-style:italic}@media (max-width: 768px){.challan-form-grid{grid-template-columns:1fr}.product-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}.challan-preview-container{margin:10px;padding:10px}}