:root{--primary: #2563eb;--primary-dark: #1d4ed8;--primary-light: #dbeafe;--accent: #ff6d00;--bg: #f8fafc;--surface: #ffffff;--text: #1f2937;--text-light: #6b7280;--text-muted: #9ca3af;--border: #e2e8f0;--success: #10b981;--danger: #ef4444;--warning: #f59e0b;--info: #3b82f6;--radius: 10px;--shadow: 0 1px 3px rgba(0,0,0,.08);--sidebar-width: 250px;--card-hover: #f0f4ff;--sidebar-bg: #f1f5f9}[data-theme=dark]{--primary: #4da6ff;--primary-dark: #2196f3;--primary-light: #1e3a5f;--bg: #0f1419;--surface: #1a2332;--text: #e4e8ec;--text-light: #8899a6;--text-muted: #657786;--border: #2f3b47;--success: #34d399;--danger: #f87171;--warning: #fbbf24;--info: #60a5fa;--shadow: 0 1px 3px rgba(0,0,0,.3);--card-hover: #243447;--sidebar-bg: #141d26}[data-theme=dark] h1,[data-theme=dark] h2,[data-theme=dark] h3,[data-theme=dark] h4,[data-theme=dark] h5,[data-theme=dark] h6,[data-theme=dark] p,[data-theme=dark] span,[data-theme=dark] div,[data-theme=dark] label,[data-theme=dark] td,[data-theme=dark] 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.detail-panel{background:var(--surface);border-color:var(--border)}[data-theme=dark] .modal-content{background:var(--surface)}[data-theme=dark] .dispatch-item,[data-theme=dark] .form-section{background:var(--surface);border-color:var(--border)}[data-theme=dark] [style*="background: #f3f4f6"],[data-theme=dark] [style*="background:#f3f4f6"],[data-theme=dark] [style*="background: #f5f5f5"],[data-theme=dark] [style*="background:#f5f5f5"]{background:var(--surface)!important;color:var(--text)!important}[data-theme=dark] [style*="color: #333"],[data-theme=dark] [style*="color:#333"],[data-theme=dark] [style*="color: #1f2937"],[data-theme=dark] [style*="color:#1f2937"],[data-theme=dark] [style*="color: #374151"],[data-theme=dark] [style*="color:#374151"]{color:var(--text)!important}[data-theme=dark] [style*="color: #6b7280"],[data-theme=dark] [style*="color:#6b7280"],[data-theme=dark] [style*="color: #555"],[data-theme=dark] [style*="color:#555"]{color:var(--text-light)!important}[data-theme=dark] [style*="color: #9ca3af"],[data-theme=dark] [style*="color:#9ca3af"],[data-theme=dark] [style*="color: #888"],[data-theme=dark] [style*="color:#888"],[data-theme=dark] [style*="color: #999"],[data-theme=dark] [style*="color:#999"]{color:var(--text-muted)!important}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Inter,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;overscroll-behavior:none}.app-layout{display:flex;min-height:100vh}.app-main{flex:1;min-width:0;display:flex;flex-direction:column}.sidebar{width:var(--sidebar-width);background:var(--sidebar-bg, var(--surface));border-right:1px solid 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.12s;cursor:pointer}.data-card:hover{border-color:var(--primary);background:var(--card-hover)}.data-card:active{box-shadow:0 2px 8px #0000001a}.data-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.data-row:last-child{margin-bottom:0}.data-label{font-size:12px;color:var(--text-light)}.data-value{font-size:13px;font-weight:600}.badge{display:inline-block;font-size:11px;padding:3px 8px;border-radius:12px;font-weight:600}.badge-paid{background:#dcfce7;color:#166534}.badge-partial{background:#fef3c7;color:#92400e}.badge-credit{background:#fee2e2;color:#991b1b}[data-theme=dark] .badge-paid{background:#064e3b;color:#6ee7b7}[data-theme=dark] .badge-partial{background:#451a03;color:#fcd34d}[data-theme=dark] .badge-credit{background:#450a0a;color:#fca5a5}.data-table{width:100%;border-collapse:collapse;font-size:13px;display:none}.data-table th{font-weight:600;color:var(--text-light);text-transform:uppercase;font-size:11px;letter-spacing:.4px;padding:12px 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::-webkit-scrollbar-thumb{background:#4b5563}select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:34px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.theme-toggle{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#ffffff26;border:none;cursor:pointer;font-size:18px}.theme-toggle:hover{background:#ffffff40}@media (max-width: 480px){.page,.card{padding:12px}.header{padding:10px 14px}.stat-grid{gap:8px}.stat-card{padding:12px 8px}.stat-card .value{font-size:18px}.filter-bar{gap:6px}.filter-bar select,.filter-bar input{min-width:100px;font-size:12px}}@media (max-width: 360px){.page{padding:10px}.nav-item{font-size:9px;min-width:50px}.nav-item span{font-size:20px}}@media (min-width: 769px){.stat-grid{grid-template-columns:repeat(4,1fr)}.form-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.form-grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}}.bottom-nav{position:fixed;bottom:0;left:0;right:0;background:var(--surface);border-top:1px solid var(--border);display:flex;justify-content:space-around;padding:6px 0 env(safe-area-inset-bottom,6px);z-index:100}@media (min-width: 769px){.bottom-nav{display:none}}.nav-item{display:flex;flex-direction:column;align-items:center;gap:2px;text-decoration:none;color:var(--text-light);font-size:10px;font-weight:500;padding:4px 8px;min-width:56px}.nav-item.active{color:var(--primary)}.nav-item span{font-size:22px}.detail-panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:16px;animation:fadeIn .2s}.detail-panel h3{font-size:16px;font-weight:700;margin-bottom:12px}.detail-row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--border)}.detail-row:last-child{border-bottom:none}.page-container{padding:16px;max-width:1200px;margin:0 auto}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.page-header h1{font-size:24px;font-weight:700;color:var(--text)}.tab-buttons{display:flex;gap:8px}.tab-btn{padding:10px 20px;border-radius:var(--radius);font-size:14px;font-weight:500;background:var(--bg);border:1px solid var(--border);cursor:pointer;color:var(--text);transition:all .15s}.tab-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.tab-btn:hover:not(.active){background:var(--card-hover)}.tab-content{margin-top:24px}.form-section{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:20px}.form-section h3{font-size:18px;font-weight:600;margin-bottom:16px;color:var(--text)}.form-grid{display:grid;grid-template-columns:1fr;gap:16px}@media (min-width: 768px){.form-grid{grid-template-columns:repeat(2,1fr)}.form-grid.three-cols{grid-template-columns:repeat(3,1fr)}}.dispatch-list{max-height:400px;overflow-y:auto}.dispatch-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:8px;transition:all .15s}.dispatch-item:hover{border-color:var(--primary)}.checkbox-label{display:flex;align-items:flex-start;gap:12px;padding:16px;cursor:pointer}.checkbox-label input[type=checkbox]{width:18px;height:18px;margin:0;flex-shrink:0}.dispatch-details{flex:1}.dispatch-main{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.dispatch-main .challan{font-weight:600;color:var(--text)}.dispatch-main .date{font-size:12px;color:var(--text-light)}.dispatch-info{display:flex;justify-content:space-between;align-items:center;font-size:13px}.dispatch-info .amount{font-weight:600;color:var(--primary)}.invoice-summary{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:16px}.summary-row{display:flex;justify-content:space-between;align-items:center;padding:8px 0;border-bottom:1px solid var(--border)}.summary-row:last-child{border-bottom:none}.summary-row.total{font-size:16px;font-weight:700;color:var(--primary);border-top:2px solid var(--border);padding-top:12px;margin-top:8px}.form-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:20px}.btn-secondary{background:var(--bg);color:var(--text);border:1px solid var(--border);padding:12px 24px;border-radius:var(--radius);font-weight:500;cursor:pointer;transition:all .15s}.btn-secondary:hover{background:var(--card-hover)}.invoice-list{display:grid;gap:16px}@media (min-width: 768px){.invoice-list{grid-template-columns:repeat(2,1fr)}}@media (min-width: 1024px){.invoice-list{grid-template-columns:repeat(3,1fr)}}.invoice-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;transition:all .15s;cursor:pointer}.invoice-card:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.invoice-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.invoice-number{font-weight:600;font-size:16px;color:var(--text)}.status{padding:4px 8px;border-radius:12px;font-size:11px;font-weight:600;text-transform:uppercase}.status.draft{background:#f3f4f6;color:#374151}.status.sent{background:#dbeafe;color:#1d4ed8}.status.paid{background:#dcfce7;color:#166534}.status.cancelled{background:#fee2e2;color:#991b1b}[data-theme=dark] .status.draft{background:#374151;color:#d1d5db}[data-theme=dark] .status.sent{background:#1e3a8a;color:#93c5fd}[data-theme=dark] .status.paid{background:#064e3b;color:#6ee7b7}[data-theme=dark] .status.cancelled{background:#450a0a;color:#fca5a5}.invoice-details p{margin:4px 0;font-size:13px;color:var(--text-light)}.settings-form{max-width:800px}.layout-options{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:12px}@media (max-width: 768px){.layout-options{grid-template-columns:1fr}}.layout-option{display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px;border:2px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:all .15s}.layout-option:hover{border-color:var(--primary)}.layout-option input[type=radio]{display:none}.layout-option input[type=radio]:checked+.layout-preview{border-color:var(--primary)}.layout-option input[type=radio]:checked~span{color:var(--primary);font-weight:600}.layout-preview{width:80px;height:60px;border:1px solid var(--border);border-radius:4px;display:flex;flex-direction:column;overflow:hidden;transition:all .15s}.preview-modern{background:linear-gradient(135deg,var(--primary-light) 0%,var(--bg) 100%)}.preview-modern .preview-header{height:20px;background:var(--primary);border-left:3px solid var(--accent)}.preview-modern .preview-content{flex:1;background:var(--surface);margin:4px;border-radius:2px}.preview-classic{background:var(--surface)}.preview-classic .preview-header{height:16px;background:var(--text);border:1px solid var(--border)}.preview-classic .preview-content{flex:1;background:var(--bg);margin:4px;border:1px solid var(--border)}.preview-minimal{background:var(--surface)}.preview-minimal .preview-header{height:12px;background:var(--bg);border-bottom:1px solid var(--border)}.preview-minimal .preview-content{flex:1;background:var(--surface);margin:2px 4px}.no-data{text-align:center;padding:40px 20px;color:var(--text-light);font-style:italic}