:root{--color-primary:#2183da;--color-primary-dark:#1a6db8;--color-primary-light:#4a9ff0;--color-secondary:#3b93df;--color-secondary-light:#6bb1f0;--color-accent:#57b5ff;--color-text:#1a2332;--color-text-h:#1a6db8;--color-bg:#fff;--color-bg-secondary:#f5f7f7;--color-border:#d1d9e0;--color-code-bg:#f0f4f4;--color-success:#4caf50;--color-error:#f44336;--color-warning:#ff9800;--color-info:#2196f3;--shadow:#2183da0d 0 10px 15px -3px, #2183da08 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px / 145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--color-text);background:var(--color-bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media 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textarea:focus{border-color:var(--color-primary);outline:none;box-shadow:0 0 0 3px #2183da1f}.form-group textarea{resize:vertical;min-height:60px}.items-list{flex-direction:column;gap:16px;display:flex}.item-entry{background:#f9fafb;border:1px solid #e5e7eb;border-radius:6px;flex-direction:column;gap:12px;padding:16px;display:flex}.item-total{color:var(--color-primary);text-align:right;background:#fff;border:1px solid #d1d5db;border-radius:6px;padding:10px 12px;font-size:14px;font-weight:600}.btn-secondary,.btn-remove{cursor:pointer;text-transform:uppercase;letter-spacing:.5px;border:none;border-radius:6px;padding:10px 16px;font-size:14px;font-weight:600;transition:all .2s}.btn-secondary{background:var(--color-secondary);color:#fff;align-self:flex-start}.btn-secondary:hover{background:var(--color-primary-dark);box-shadow:var(--shadow-md)}.btn-remove{color:#dc2626;background:#fee2e2;align-self:flex-start;padding:8px 12px;font-size:13px}.btn-remove:hover{background:#fecaca}@media (width<=768px){.invoice-form{padding:16px}.form-row{grid-template-columns:1fr}.section-header{flex-direction:column;align-items:flex-start;gap:12px}}.invoice-generator-page{background:#f3f4f6;flex-direction:column;flex:1;gap:24px;min-height:calc(100vh - 80px);padding:24px;display:flex}.page-header{text-align:center}.page-header h1{color:var(--color-primary);margin:0 0 8px;font-size:32px;font-weight:700}.page-subtitle{color:var(--color-text-secondary);margin:0;font-size:16px}.generator-container{grid-template-columns:1fr 1fr;gap:24px;width:100%;max-width:1400px;margin:0 auto;display:grid}.form-panel{flex-direction:column;gap:16px;display:flex}.preview-panel{box-shadow:var(--shadow-md);background:#fff;border-radius:8px;flex-direction:column;gap:16px;min-height:600px;padding:24px;display:flex}.form-actions{box-shadow:var(--shadow-sm);background:#fff;border-radius:8px;grid-template-columns:1fr 1fr;gap:12px;padding:16px;display:grid}.btn-preview,.btn-generate,.btn-download,.btn-close{cursor:pointer;text-transform:uppercase;letter-spacing:.5px;text-align:center;border:none;border-radius:6px;justify-content:center;align-items:center;gap:8px;padding:12px 20px;font-size:14px;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex}.btn-preview{background:var(--color-secondary);color:#fff}.btn-preview:hover:not(:disabled){box-shadow:var(--shadow-md);background:#0099c9}.btn-generate{background:linear-gradient(135deg, var(--color-secondary) 0%, var(--color-primary) 100%);color:#fff}.btn-generate:hover:not(:disabled){box-shadow:var(--shadow-lg);transform:translateY(-2px)}.btn-preview:disabled,.btn-generate:disabled{opacity:.5;cursor:not-allowed}.btn-download{color:#fff;background:#10b981;flex:1}.btn-download:hover{box-shadow:var(--shadow-md);background:#059669}.btn-close{color:#fff;background:#ef4444;flex:none;padding:10px 16px}.btn-close:hover{background:#dc2626}.preview-content{flex-direction:column;gap:16px;display:flex}.preview-content h2{color:var(--color-primary);margin:0;font-size:18px;font-weight:600}.preview-notice{background:#dbeafe;border:1px solid #93c5fd;border-radius:6px;padding:12px 16px}.preview-notice p{color:#1e40af;margin:0;font-size:14px}.preview-placeholder{color:#9ca3af;text-align:center;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:12px;display:flex}.placeholder-icon{opacity:.5;font-size:48px}.preview-placeholder h3{color:#6b7280;margin:0;font-size:16px;font-weight:600}.preview-placeholder p{margin:0;font-size:14px}.pdf-view{flex-direction:column;flex:1;gap:16px;display:flex}.pdf-header{border-bottom:1px solid #e5e7eb;justify-content:space-between;align-items:center;gap:12px;padding-bottom:12px;display:flex}.pdf-header h2{color:var(--color-primary);flex:1;margin:0;font-size:18px;font-weight:600}.pdf-actions{gap:8px;display:flex}.pdf-viewer{background:#f9fafb;border:1px solid #e5e7eb;border-radius:4px;flex:1;position:relative;overflow:auto}.invoice-preview-content{color:#333;padding:24px 20px;font-size:12px;line-height:1.5}.preview-header-bar{border-bottom:2px solid #00b4d8;justify-content:space-between;align-items:flex-start;margin-bottom:20px;padding-bottom:16px;display:flex}.preview-meta{gap:32px;margin-bottom:16px;display:flex}.preview-label{color:#777;text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px;font-size:9px;font-weight:700}.preview-value{color:#333;font-size:12px}.preview-section{border-top:1px solid #eee;margin-bottom:16px;padding-top:12px}.preview-items-table{border:1px solid #e5e5e5;border-radius:4px;flex-direction:column;width:100%;margin-bottom:16px;display:flex;overflow:hidden}.preview-items-table thead{color:#fff;text-transform:uppercase;background:#00b4d8;padding:8px 10px;font-size:9px;font-weight:700;display:flex}.preview-items-table tbody{flex-direction:column;display:flex}.preview-items-table tr{border-bottom:1px solid #eee;padding:8px 10px;font-size:11px;display:flex}.preview-items-table tbody tr:last-child{border-bottom:none}.preview-items-table tbody tr:nth-child(2n){background:#f8f9fa}.preview-items-table th,.preview-items-table td{display:block}.preview-totals{width:280px;margin-left:auto}.preview-total-row{border-bottom:1px solid #eee;justify-content:space-between;padding:6px 0;font-size:12px;display:flex}.preview-grand-total{color:#2183da;border-top:2px solid #2183da;border-bottom:none;margin-top:4px;padding:10px 0;font-size:14px;font-weight:700}.pdf-fallback{text-align:center;box-shadow:var(--shadow-md);background:#fff;border-radius:8px;padding:20px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.pdf-fallback p{color:#6b7280;margin:0;font-size:14px}@media (width<=1200px){.generator-container{grid-template-columns:1fr}.preview-panel{min-height:500px}.preview-totals{width:100%}}@media (width<=768px){.invoice-generator-page{padding:16px}.page-header h1{font-size:24px}.form-actions{grid-template-columns:1fr}.generator-container{gap:16px}}:root{--color-primary:#2183da;--color-primary-dark:#1a6db8;--color-primary-light:#4a9ff0;--color-secondary:#3b93df;--color-secondary-light:#6bb1f0;--color-accent:#57b5ff;--color-text-primary:#1a2332;--color-text-secondary:#666;--color-text-light:#999;--color-text-inverse:#fff;--color-bg-primary:#fff;--color-bg-secondary:#f5f7f7;--color-bg-tertiary:#e8ecef;--color-success:#4caf50;--color-error:#f44336;--color-warning:#ff9800;--color-info:#2196f3;--color-border:#d1d9e0;--shadow-light:0 1px 2px 0 #2183da0d;--shadow-md:0 2px 4px 0 #2183da14;--shadow-lg:0 4px 8px 0 #2183da1f;--shadow-xl:0 8px 16px 0 #2183da26}.app-container{background-color:var(--color-bg-secondary);flex-direction:column;min-height:100vh;display:flex}.app-main{flex-direction:column;flex:1;display:flex}