:root{--primary: #6366f1;--primary-light: #818cf8;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--info: #3b82f6;--bg: #f8fafc;--bg-card: #ffffff;--bg-nav: #ffffff;--text: #1e293b;--text-secondary: #64748b;--text-muted: #94a3b8;--border: #e2e8f0;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);--shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);--radius: 12px;--radius-sm: 8px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;min-height:100vh}#root{min-height:100vh;display:flex;flex-direction:column}.app-shell{display:flex;flex-direction:column;min-height:100vh;max-width:480px;margin:0 auto;background:var(--bg);position:relative}.app-header{background:var(--primary);color:#fff;padding:16px 20px;text-align:center;position:sticky;top:0;z-index:100;box-shadow:var(--shadow)}.app-header h1{font-size:18px;font-weight:600;margin:0}.app-main{flex:1;padding-bottom:70px;overflow-y:auto}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;display:flex;background:var(--bg-nav);border-top:1px solid var(--border);z-index:100;box-shadow:0 -2px 10px #0000000d}.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:10px 8px;border:none;background:none;cursor:pointer;color:var(--text-muted);transition:all .2s;font-size:11px;font-family:inherit}.nav-item.active{color:var(--primary)}.nav-icon{font-size:22px}.nav-label{font-weight:500}.page{padding:16px}.page h1{font-size:24px;font-weight:700;margin-bottom:16px;color:var(--text)}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.page-header h1{margin-bottom:0}.btn{padding:10px 20px;border:none;border-radius:var(--radius-sm);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:6px;font-family:inherit}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-light)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:var(--bg);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#dc2626}.btn-text{background:none;color:var(--primary);border:none;padding:8px 0;font-weight:500}.btn-add{font-size:13px;padding:8px 14px}.btn-icon{background:none;border:none;cursor:pointer;font-size:18px;padding:4px;opacity:.6;transition:opacity .2s;font-family:inherit}.btn-icon:hover{opacity:1}.btn-close{background:none;border:none;font-size:20px;cursor:pointer;color:var(--text-secondary);padding:4px 8px;font-family:inherit}.filters-bar{display:flex;gap:10px;margin-bottom:16px}.search-input{flex:1;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;background:var(--bg-card);color:var(--text);outline:none;transition:border-color .2s;font-family:inherit}.search-input:focus{border-color:var(--primary)}.filter-select{padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;background:var(--bg-card);color:var(--text);outline:none;min-width:130px;font-family:inherit}.invoices-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:16px}.summary-card{background:var(--bg-card);border-radius:var(--radius-sm);padding:12px;text-align:center;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:4px}.summary-label{font-size:11px;color:var(--text-secondary)}.summary-value{font-size:18px;font-weight:700;color:var(--text)}.summary-value.warning{color:var(--warning)}.invoice-card{background:var(--bg-card);border-radius:var(--radius);padding:16px;margin-bottom:12px;box-shadow:var(--shadow);transition:box-shadow .2s}.invoice-card:hover{box-shadow:var(--shadow-md)}.invoice-card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px}.invoice-supplier h3{font-size:15px;font-weight:600;color:var(--text);margin:0}.invoice-date{font-size:12px;color:var(--text-secondary);display:block}.invoice-number-badge{display:inline-block;font-size:11px;color:var(--primary);background:#eef2ff;padding:2px 8px;border-radius:4px;margin-top:4px;font-family:monospace;font-weight:600}.invoice-parties{border-top:1px solid var(--border);padding-top:8px;margin-bottom:8px}.party-info{display:flex;flex-direction:column;gap:2px;margin-bottom:6px}.party-info.receiver{background:#f0fdf4;padding:6px 8px;border-radius:6px;margin-top:4px}.party-label{font-size:11px;font-weight:600;color:var(--success)}.party-detail{font-size:12px;color:var(--text-secondary)}.payment-badge{padding:4px 10px;border-radius:20px;font-size:11px;font-weight:600;color:#fff}.invoice-items-table-wrapper{border-top:1px solid var(--border);padding-top:10px;margin-bottom:10px}.invoice-items-table{width:100%;border-collapse:collapse;font-size:12px}.invoice-items-table thead th{background:#f1f5f9;padding:8px 6px;font-weight:600;color:var(--text-secondary);font-size:11px;text-align:center;white-space:nowrap}.invoice-items-table tbody td{padding:7px 6px;border-bottom:1px solid #f1f5f9;text-align:center;color:var(--text)}.invoice-items-table .item-code{font-family:monospace;font-size:11px;color:var(--text-muted)}.invoice-items-table .item-name-cell{text-align:right;font-weight:500;max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.invoice-items-table .num{font-variant-numeric:tabular-nums}.invoice-items-table .total-cell{font-weight:600;color:var(--primary)}.btn-details{width:100%;padding:8px;background:#f8fafc;border:1px dashed var(--border);border-radius:var(--radius-sm);color:var(--primary);font-size:12px;font-weight:600;cursor:pointer;margin-top:8px;font-family:inherit;transition:all .2s}.btn-details:hover{background:#eef2ff;border-color:var(--primary)}.items-form-header{display:flex;gap:8px;padding:6px 4px;background:#f1f5f9;border-radius:var(--radius-sm);font-size:11px;font-weight:600;color:var(--text-secondary);margin-bottom:6px}.items-form-header span:nth-child(1){width:60px}.items-form-header span:nth-child(2){flex:1}.items-form-header span:nth-child(3){width:50px;text-align:center}.items-form-header span:nth-child(4){width:65px;text-align:center}.items-form-header span:nth-child(5){width:30px}.invoice-card-footer{display:flex;justify-content:space-between;align-items:flex-start;border-top:1px solid var(--border);padding-top:10px}.invoice-totals{flex:1;display:flex;flex-direction:column;gap:4px}.total-row{display:flex;justify-content:space-between;font-size:13px}.total-row .total-label{color:var(--text-secondary)}.total-row .total-amount{color:var(--text);font-weight:500}.total-row.discount .total-amount{color:var(--success)}.total-row.tax .total-amount{color:var(--text-secondary)}.total-row.grand-total{padding-top:6px;border-top:1px dashed var(--border);margin-top:2px}.total-row.grand-total .total-label{font-weight:700;color:var(--text)}.total-row.grand-total .total-amount{font-size:16px;font-weight:700;color:var(--primary)}.total-label{font-size:12px;color:var(--text-secondary);display:block}.total-value{font-size:18px;font-weight:700;color:var(--primary)}.due-date-warning{margin-top:10px;padding:8px 12px;background:#fef3c7;border-radius:var(--radius-sm);font-size:12px;color:#92400e}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:200;display:flex;align-items:flex-end;justify-content:center}.modal-content{background:var(--bg-card);width:100%;max-width:480px;max-height:90vh;border-radius:20px 20px 0 0;overflow-y:auto;padding:20px}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.modal-header h2{font-size:18px;font-weight:600;margin:0}.upload-area{text-align:center}.upload-dropzone{border:2px dashed var(--border);border-radius:var(--radius);padding:40px 20px;cursor:pointer;transition:all .2s}.upload-dropzone:hover{border-color:var(--primary);background:#f1f5f9}.upload-icon{font-size:48px;margin-bottom:12px}.upload-dropzone p{margin:0 0 6px;color:var(--text);font-size:14px}.upload-hint{font-size:12px;color:var(--text-muted)}.upload-divider{margin:16px 0;color:var(--text-muted);font-size:14px}.processing-area{text-align:center;padding:40px 20px}.spinner{width:48px;height:48px;border:4px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 16px}@keyframes spin{to{transform:rotate(360deg)}}.processing-area p{color:var(--text);margin-bottom:6px}.processing-hint{font-size:12px;color:var(--text-muted)}.review-form{display:flex;flex-direction:column;gap:14px}.form-section-title{font-size:14px;font-weight:700;color:var(--primary);padding-top:8px;border-top:1px solid var(--border);margin-top:4px}.form-section-title:first-of-type{border-top:none;margin-top:0;padding-top:0}.form-group{display:flex;flex-direction:column;gap:6px}.form-group label{font-size:13px;font-weight:600;color:var(--text-secondary)}.form-group input,.form-group select{padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;background:var(--bg);color:var(--text);outline:none;font-family:inherit}.form-group input:focus,.form-group select:focus{border-color:var(--primary)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.item-row{display:flex;gap:8px;align-items:center;margin-bottom:8px}.item-code-input{width:60px;padding:8px 6px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:12px;background:var(--bg);color:var(--text);outline:none;font-family:monospace;text-align:center}.item-name{flex:1;padding:8px 10px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px;background:var(--bg);color:var(--text);outline:none;font-family:inherit}.item-qty{width:60px;padding:8px 10px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px;background:var(--bg);color:var(--text);outline:none;text-align:center;font-family:inherit}.item-price{width:80px;padding:8px 10px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px;background:var(--bg);color:var(--text);outline:none;text-align:center;font-family:inherit}.btn-remove{font-size:14px;color:var(--danger)}.form-summary{display:flex;justify-content:space-between;align-items:center;padding:12px;background:#f1f5f9;border-radius:var(--radius-sm);font-size:15px}.form-summary strong{color:var(--primary);font-size:18px}.form-summary-breakdown{background:#f8fafc;border-radius:var(--radius-sm);padding:12px;display:flex;flex-direction:column;gap:6px}.summary-line{display:flex;justify-content:space-between;font-size:13px;color:var(--text-secondary)}.summary-line.discount span:last-child{color:var(--success)}.summary-line.grand-total{padding-top:8px;border-top:1px dashed var(--border);margin-top:4px;font-size:15px;font-weight:700;color:var(--text)}.summary-line.grand-total span:last-child{color:var(--primary);font-size:18px}.form-actions{display:flex;gap:10px;justify-content:flex-end;padding-top:10px;border-top:1px solid var(--border)}.empty-state{text-align:center;padding:40px 20px;color:var(--text-secondary)}.empty-state p{margin-bottom:12px}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:24px}.stat-card{background:var(--bg-card);border-radius:var(--radius-sm);padding:14px;text-align:center;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:4px}.stat-card.primary{background:var(--primary);color:#fff;grid-column:span 3;padding:20px}.stat-card.primary .stat-label{color:#fffc}.stat-card.primary .stat-value{font-size:28px;color:#fff}.stat-label{font-size:11px;color:var(--text-secondary)}.stat-value{font-size:20px;font-weight:700;color:var(--text)}.stat-value.success{color:var(--success)}.stat-value.warning{color:var(--warning)}.stat-value.info{color:var(--info)}.chart-section{background:var(--bg-card);border-radius:var(--radius);padding:16px;margin-bottom:16px;box-shadow:var(--shadow)}.chart-section h2{font-size:15px;font-weight:600;margin:0 0 14px;color:var(--text)}.bar-chart.horizontal{display:flex;flex-direction:column;gap:10px}.chart-bar-row{display:flex;align-items:center;gap:10px}.chart-bar-row.predicted{margin-top:6px;padding-top:10px;border-top:2px dashed var(--primary)}.chart-label{width:100px;font-size:12px;color:var(--text-secondary);text-align:right;flex-shrink:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chart-bar-track{flex:1;height:28px;background:#f1f5f9;border-radius:6px;overflow:hidden}.chart-bar-fill{height:100%;background:linear-gradient(135deg,var(--primary),var(--primary-light));border-radius:6px;display:flex;align-items:center;justify-content:flex-start;padding:0 8px;min-width:40px;transition:width .6s ease}.chart-bar-fill.supplier{background:linear-gradient(135deg,var(--success),#34d399)}.chart-bar-fill.item{background:linear-gradient(135deg,var(--warning),#fbbf24)}.chart-bar-fill.predicted{background:linear-gradient(135deg,var(--primary),#a78bfa);opacity:.7}.chart-bar-value{font-size:11px;font-weight:600;color:#fff;white-space:nowrap}.pie-container{display:flex;flex-direction:column;gap:8px}.pie-item{display:flex;align-items:center;gap:8px;padding:6px 0}.pie-dot{width:12px;height:12px;border-radius:50%;flex-shrink:0}.pie-label{flex:1;font-size:13px;color:var(--text)}.pie-value{font-size:13px;font-weight:600;color:var(--text-secondary)}.prediction-hero{background:linear-gradient(135deg,#6366f1,#8b5cf6);border-radius:var(--radius);padding:24px;color:#fff;text-align:center;margin-bottom:16px;box-shadow:var(--shadow-md)}.prediction-icon{font-size:40px;margin-bottom:10px}.prediction-main{display:flex;flex-direction:column;gap:8px}.prediction-label{font-size:14px;opacity:.85}.prediction-value{font-size:36px;font-weight:800}.prediction-range{display:flex;flex-direction:column;gap:6px;margin-top:10px}.range-low,.range-high{font-size:12px;opacity:.75}.range-bar{height:6px;background:#ffffff4d;border-radius:3px;position:relative;overflow:hidden}.range-fill{position:absolute;left:20%;right:20%;height:100%;background:#fff9;border-radius:3px}.range-marker{position:absolute;left:50%;top:-2px;width:10px;height:10px;background:#fff;border-radius:50%;transform:translate(-50%)}.prediction-comparison{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:16px}.comparison-card{background:var(--bg-card);border-radius:var(--radius-sm);padding:14px;text-align:center;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:4px}.comparison-label{font-size:12px;color:var(--text-secondary)}.comparison-value{font-size:20px;font-weight:700}.prediction-explanation{background:#f0f9ff;border-radius:var(--radius);padding:16px;margin-bottom:16px;border-right:4px solid var(--info)}.prediction-explanation p{font-size:14px;color:#1e40af;line-height:1.7;margin:0}.prediction-tips h2{font-size:16px;margin:0 0 12px}.tip-cards{display:flex;flex-direction:column;gap:10px}.tip-card{background:var(--bg-card);border-radius:var(--radius-sm);padding:14px;box-shadow:var(--shadow);border-right:4px solid var(--border)}.tip-card.warning{border-right-color:var(--warning)}.tip-card.success{border-right-color:var(--success)}.tip-card.info{border-right-color:var(--info)}.tip-card strong{display:block;font-size:14px;margin-bottom:4px;color:var(--text)}.tip-card p{font-size:13px;color:var(--text-secondary);margin:0}.settings-section{background:var(--bg-card);border-radius:var(--radius);padding:16px;margin-bottom:14px;box-shadow:var(--shadow)}.settings-section h2{font-size:15px;font-weight:600;margin:0 0 12px}.settings-section.danger{border:1px solid #fecaca}.settings-section.danger h2{color:var(--danger)}.settings-section.danger p{margin-bottom:10px;font-size:14px}.settings-info{display:flex;flex-direction:column;gap:10px}.info-row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--border);font-size:14px}.info-row:last-child{border-bottom:none}.info-row strong{color:var(--primary)}.about-text{font-size:14px;color:var(--text-secondary);margin:0 0 6px}.about-version{font-size:12px;color:var(--text-muted);margin:0}@media(max-width:380px){.stats-grid{grid-template-columns:repeat(2,1fr)}.stat-card.primary{grid-column:span 2}.chart-label{width:70px;font-size:11px}}