:root{--brand: #6d001b;--brand-dark: #520013;--bg: #f6f7fb;--card: #ffffff;--border: #e5e7eb;--text: #1f2937}*{box-sizing:border-box;font-family:Inter,Segoe UI,Arial}body{margin:0;background:var(--bg);color:var(--text)}.login-box{width:360px;background:#fff;padding:35px;margin:120px auto;border-radius:14px;box-shadow:0 20px 40px #00000026;text-align:center}.login-box h2{color:var(--brand);margin-bottom:20px}.login-box input,.login-box select{width:100%;padding:12px 14px;margin:10px 0;border-radius:10px;border:1px solid var(--border);font-size:14px}.login-box button{width:100%;padding:12px;border:none;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;font-weight:600;cursor:pointer}.sidebar{width:240px;background:linear-gradient(180deg,var(--brand),var(--brand-dark));color:#fff;height:100vh;padding:25px 20px;overflow-y:scroll;position:fixed;box-shadow:4px 0 20px #00000040}.sidebar h3{text-align:center;margin-bottom:35px;letter-spacing:1px}.sidebar button{width:100%;padding:14px;border:none;border-radius:12px;margin-bottom:14px;background:#ffffff1f;color:#fff;font-size:14px;font-weight:500;cursor:pointer;transition:.2s}.sidebar button:hover{background:#fff;color:var(--brand)}.main{margin-left:260px;padding:35px}.section{background:var(--card);border-radius:16px;padding:25px;box-shadow:0 15px 35px #0000000f;animation:fade .3s ease}@keyframes fade{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}.section h2{margin-top:0;color:var(--brand)}input,select{padding:12px 14px;border-radius:10px;border:1px solid var(--border);outline:none;width:100%;font-size:14px}input:focus,select:focus{border-color:var(--brand);box-shadow:0 0 0 2px #6d001b26}#stockForm,#challan input,#delivery input,#delivery select{margin-top:12px}button{padding:12px 18px;border:none;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;font-weight:600;cursor:pointer;transition:.2s}button:hover{opacity:.9}.dashboard-table{width:100%;border-collapse:collapse;margin-top:15px}.dashboard-table th{background:var(--bg);text-align:left;padding:12px;font-size:13px;color:#6b7280}.dashboard-table td{padding:12px;border-bottom:1px solid var(--border);font-size:14px}tr:hover{background:#fafafa}#reports p{background:var(--bg);padding:18px;border-radius:12px;font-size:18px;margin:15px 0}#audit ul{list-style:none;padding:0}#audit li{padding:12px;border-bottom:1px solid var(--border);font-size:14px;color:#444}.hidden{display:none}.section h2{font-size:22px;font-weight:700;color:#6d001b;margin-bottom:18px}.dashboard-table th{background:#f1f2f6;color:#4b5563;font-weight:600}input,select{background:#fafafa;border:1.5px solid #d1d5db;color:#1f2937;font-weight:500}::placeholder{color:#6b7280;opacity:1}input:focus,select:focus{border-color:#6d001b;background:#fff;box-shadow:0 0 0 3px #6d001b26}#stockForm input{margin-bottom:10px}#stockForm button{background:#6d001b;margin-top:8px}.dashboard-table td{color:#1f2937;font-weight:500}.section{padding:30px}.sidebar button{font-weight:600;letter-spacing:.3px}.modal-backdrop{position:fixed;inset:0;background:#0000008c;z-index:999;display:flex;align-items:center;justify-content:center;padding:20px}.modal{padding:20px;background:#fff;width:100%;max-width:900px;max-height:90vh;border-radius:12px;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 20px 60px #00000040}.modal h3{margin:0;padding:16px 20px;font-size:18px;border-bottom:1px solid #e5e7eb;background:#f9fafb;position:sticky;top:0;z-index:2}.modal>*:not(h3):not(.modal-actions){padding:16px 20px}.modal{overflow-y:auto}.modal table{width:100%;border-collapse:collapse}.modal table th,.modal table td{padding:10px;border:1px solid #e5e7eb;font-size:14px}.modal-actions{display:flex;justify-content:flex-end;gap:10px;padding:14px 20px;border-top:1px solid #e5e7eb;background:#f9fafb;position:sticky;bottom:0;z-index:2}.modal-actions button{padding:8px 16px;border-radius:6px;font-size:14px;cursor:pointer;border:none}.modal-actions button.secondary{background:#e5e7eb;color:#111827}.modal-actions button:not(.secondary){background:#2563eb;color:#fff}.modal input,.modal select{width:100%;padding:8px 10px;margin-bottom:10px;border-radius:6px;border:1px solid #d1d5db;font-size:14px}@media(max-width:768px){.modal{max-width:100%;max-height:95vh}}@media print{body *{visibility:hidden}#print-area,#print-area *{visibility:visible}#print-area{position:absolute;left:0;top:0;width:100%}.no-print{display:none!important}}@page{size:A4;margin:15mm}.table-container{width:100%;max-height:65vh;overflow:auto;border-radius:12px;border:1px solid #e5e7eb}.table-container::-webkit-scrollbar{height:6px}.table-container::-webkit-scrollbar-thumb{background:#ccc;border-radius:10px}.table-container table{min-width:1000px}.table-container thead th{position:sticky;top:0}.actions{display:flex;gap:6px;flex-wrap:wrap}@media(max-width:768px){table{font-size:12px}th,td{padding:8px}.actions{flex-direction:column}}.challan-page{width:100%;max-width:190mm;margin:0 auto;font-family:Arial,sans-serif;color:#000;font-size:12px;box-sizing:border-box}.challan-copy-block{border:1px solid #000;padding:12px;margin-bottom:15px;box-sizing:border-box;overflow:hidden;page-break-inside:avoid}.challan-copy-label{text-align:right;font-size:14px;font-weight:700;margin-bottom:10px}.challan-header{text-align:center;margin-bottom:10px}.challan-title{margin:0;font-size:24px}.challan-company{margin:5px 0;font-size:18px;font-weight:700}.challan-address{margin:0;line-height:1.5;font-size:11px}.challan-row{display:flex;justify-content:space-between;gap:20px;margin:8px 0;flex-wrap:wrap}.challan-igc-box{border:1px solid #000;padding:8px;margin-top:10px;line-height:1.5;word-break:break-word}.challan-table{width:100%;min-width:unset!important;border-collapse:collapse;table-layout:fixed;margin-top:12px}.challan-table thead th{position:static!important}.challan-table th,.challan-table td{white-space:normal;word-break:break-word}.challan-td{border:1px solid #000;padding:6px;text-align:center;font-size:11px;word-break:break-word}.challan-col-small{width:50px}.challan-col-medium{width:120px}.challan-tr{page-break-inside:avoid}.challan-total-row{font-weight:700}.challan-total-label{border:1px solid #000;padding:6px;text-align:right}.challan-total-value{border:1px solid #000;padding:6px;text-align:center}.challan-footer{display:flex;justify-content:space-between;gap:20px;margin-top:50px}.challan-sign-box{flex:1;text-align:center}.challan-sign-line{border-top:1px solid #000;margin-bottom:5px}.challan-sign-text{margin:0;font-size:11px;font-weight:700}.challan-cut-line{text-align:center;font-weight:700;border-top:2px dashed #000;border-bottom:2px dashed #000;padding:5px 0;margin:15px 0;font-size:11px}@media print{body{margin:0;padding:0;background:#fff}.no-print{display:none!important}.challan-page{max-width:100%}@page{size:A4;margin:10mm}table,tr,td,th{page-break-inside:avoid}}