@import url("https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=DM+Mono:wght@300;400;500&display=swap");:root{--c-bg:#f5f4f0;--c-surface:#fff;--c-panel:#1a1a1a;--c-panel-surface:#242424;--c-accent:#2a6ca8;--c-accent-light:#e8f1f8;--c-text:#1a1a1a;--c-text-muted:#6b6b6b;--c-text-inv:#f0efeb;--c-border:#ddd9d0;--c-border-dark:#333;--c-success:#1a7a4a;--c-error:#c0392b;--font-display:"DM Serif Display",Georgia,serif;--font-mono:"DM Mono","Courier New",monospace;--font-body:var(--font-mono);--radius-sm:4px;--radius-md:8px;--shadow-sm:0 1px 3px rgba(0,0,0,.08);--shadow-md:0 4px 16px rgba(0,0,0,.12);--shadow-lg:0 8px 40px rgba(0,0,0,.18);--topbar-h:60px}*,:after,:before{box-sizing:border-box;margin:0;padding:0}body,html{height:100%;background:var(--c-bg);color:var(--c-text);font-family:var(--font-body);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}.page-root{display:flex;flex-direction:column;height:100vh;overflow:hidden}.topbar{height:var(--topbar-h);background:var(--c-panel);border-bottom:1px solid var(--c-border-dark);flex-shrink:0;z-index:100}.topbar-inner{height:100%;max-width:1600px;margin:0 auto;padding:0 24px;gap:20px}.topbar-brand,.topbar-inner{display:flex;align-items:center}.topbar-brand{gap:10px;margin-right:auto}.topbar-logo{font-size:18px;color:var(--c-accent);line-height:1}.topbar-title{font-family:var(--font-display);font-size:18px;color:var(--c-text-inv);letter-spacing:.02em}.doctype-tabs{display:flex;gap:4px;background:hsla(0,0%,100%,.06);padding:4px;border-radius:var(--radius-sm)}.tab-btn{font-family:var(--font-mono);font-size:12px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;padding:6px 16px;border:none;border-radius:var(--radius-sm);background:transparent;color:var(--c-text-muted);cursor:pointer;transition:all .15s ease}.tab-btn:hover{color:var(--c-text-inv);background:hsla(0,0%,100%,.1)}.tab-btn--active{background:var(--c-accent);color:#fff}.btn-png{display:flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:12px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;padding:8px 16px;background:transparent;color:var(--c-text-inv);border:1px solid hsla(0,0%,100%,.2);border-radius:var(--radius-sm);cursor:pointer;transition:all .15s ease}.btn-png:hover{background:hsla(0,0%,100%,.1);border-color:hsla(0,0%,100%,.4)}.btn-print{display:flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:12px;font-weight:500;letter-spacing:.06em;text-transform:uppercase;padding:8px 20px;background:var(--c-surface);color:var(--c-text);border:none;border-radius:var(--radius-sm);cursor:pointer;transition:all .15s ease}.btn-print:hover{background:var(--c-accent);color:#fff}.btn-print-icon{font-size:16px;line-height:1}.main-layout{display:grid;grid-template-columns:1fr 1fr;flex:1;overflow:hidden}.editor-panel{background:var(--c-panel);border-right:1px solid var(--c-border-dark);overflow:hidden}.editor-panel,.editor-scroll{display:flex;flex-direction:column}.editor-scroll{overflow-y:auto;padding:24px 20px 40px;gap:10px}.editor-scroll::-webkit-scrollbar{width:4px}.editor-scroll::-webkit-scrollbar-track{background:transparent}.editor-scroll::-webkit-scrollbar-thumb{background:hsla(0,0%,100%,.15);border-radius:2px}.section-heading{font-family:var(--font-display);font-size:11px;font-weight:400;letter-spacing:.14em;text-transform:uppercase;color:var(--c-accent);padding-top:16px;padding-bottom:4px;border-bottom:1px solid hsla(0,0%,100%,.07);margin-bottom:2px}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.field{display:flex;flex-direction:column;gap:3px}.field--span2{grid-column:span 2}.field-label{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--c-text-muted)}.input{font-family:var(--font-mono);font-size:13px;color:var(--c-text-inv);background:var(--c-panel-surface);border:1px solid hsla(0,0%,100%,.1);border-radius:var(--radius-sm);padding:7px 10px;width:100%;outline:none;transition:border-color .15s ease;resize:vertical}.input:focus{border-color:var(--c-accent)}.input::placeholder{color:hsla(0,0%,100%,.2)}.line-items-header{grid-template-columns:1fr 60px 80px 80px 28px}.line-items-header span{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--c-text-muted)}.line-item-row{grid-template-columns:1fr 60px 80px 80px 28px}.line-qty{grid-column:2}.line-price{grid-column:3;text-align:right}.line-total{grid-column:4}.btn-icon{width:28px;height:32px;border:1px solid hsla(0,0%,100%,.1);background:transparent;border-radius:var(--radius-sm);color:var(--c-text-muted);font-size:18px;line-height:1;cursor:pointer;transition:all .15s ease;display:flex;align-items:center;justify-content:center}.btn-remove:hover:not(:disabled){background:rgba(192,57,43,.2);border-color:var(--c-error);color:#ff6b6b}.btn-icon:disabled{opacity:.3;cursor:not-allowed}.btn-add-line{font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--c-accent);background:transparent;border:1px dashed rgba(42,108,168,.5);border-radius:var(--radius-sm);padding:8px;width:100%;cursor:pointer;margin-top:4px;transition:all .15s ease}.btn-add-line:hover{background:rgba(42,108,168,.1);border-color:var(--c-accent)}.totals-summary{background:var(--c-panel-surface);border-radius:var(--radius-sm);padding:12px 14px;margin-top:8px;display:flex;flex-direction:column;gap:4px}.totals-row{display:flex;justify-content:space-between;font-size:12px;color:var(--c-text-muted)}.totals-discount{color:var(--c-success)}.totals-total{font-size:14px;font-weight:500;color:var(--c-text-inv);border-top:1px solid hsla(0,0%,100%,.1);padding-top:6px;margin-top:4px}.checkbox-label{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--c-text-muted);cursor:pointer;padding:4px 0}.checkbox-label input{accent-color:var(--c-accent);width:14px;height:14px;flex-shrink:0}.preview-panel{background:var(--c-bg);overflow:hidden;display:flex;flex-direction:column}.preview-scroll{overflow-y:auto;padding:40px;display:flex;justify-content:center;align-items:flex-start}.preview-scroll::-webkit-scrollbar{width:4px}.preview-scroll::-webkit-scrollbar-track{background:transparent}.preview-scroll::-webkit-scrollbar-thumb{background:rgba(0,0,0,.15);border-radius:2px}.a4-sheet{width:794px;min-height:1123px;background:var(--c-surface);box-shadow:var(--shadow-lg);border-radius:var(--radius-sm);overflow:hidden}.invoice-document{padding:48px 52px 40px;font-family:var(--font-mono);color:var(--c-text);font-size:13px;line-height:1.65}.invoice-header .accent-bar{height:3px;background:var(--c-accent);margin-bottom:4px}.invoice-header .brand-line{font-family:var(--font-display);font-size:13px;color:var(--c-accent);letter-spacing:.04em;margin-bottom:28px}.header-grid{display:grid;grid-template-columns:1fr 1.4fr 1.2fr;gap:24px;align-items:start}.doc-title{font-family:var(--font-display);font-size:34px;font-weight:400;color:var(--c-text);letter-spacing:.04em;line-height:1.1}.address-block{display:flex;flex-direction:column;gap:1px;font-size:13px;line-height:1.7;margin-bottom:14px;border-left:2px solid var(--c-border);padding-left:10px}.address-block--right{border-left:none;border-right:2px solid var(--c-border);padding-left:0;padding-right:10px;align-items:flex-end}.address-block span,.address-block--right span{display:block}.address-name{font-weight:600}.meta-list{display:flex;flex-direction:column;gap:2px;font-size:12px}.meta-row{display:flex;gap:8px}.meta-label{color:var(--c-text-muted);white-space:nowrap;flex-shrink:0}.meta-value{color:var(--c-text)}.col-sender{text-align:right;font-size:12px}.contact-list{display:flex;flex-direction:column;gap:2px;font-size:12px;align-items:flex-end}.contact-row{display:flex;gap:8px;justify-content:flex-end}.contact-label{color:var(--c-text-muted);white-space:nowrap}.contact-value{color:var(--c-text)}.invoice-table-section{margin-top:32px}.invoice-table{width:100%;border-collapse:collapse;font-size:12.5px}.invoice-table thead tr{background:var(--c-accent);color:#fff}.invoice-table th{padding:9px 12px;font-weight:500;font-family:var(--font-mono);letter-spacing:.05em;font-size:11px;text-transform:uppercase}.invoice-table th.col-desc{text-align:left}.invoice-table th.col-qty{text-align:center;width:80px}.invoice-table th.col-price,.invoice-table th.col-total{text-align:right;width:110px}.invoice-table td{padding:10px 12px;border-bottom:1px solid var(--c-border);vertical-align:top}.invoice-table tbody tr:last-child td{border-bottom:2px solid var(--c-text)}.invoice-table tbody tr:hover{background:rgba(42,108,168,.03)}.invoice-table tfoot td{padding:8px 12px;border-bottom:none;font-size:12.5px}.subtotal-row td{color:var(--c-text-muted)}.discount-row td{color:var(--c-success)}.total-row td{border-top:2px solid var(--c-text);font-size:14px;padding-top:10px}.invoice-footer{margin-top:32px;font-size:12px}.invoice-notes{color:var(--c-text);margin-bottom:24px;line-height:1.7}.footer-divider{height:2px;background:var(--c-accent);margin-bottom:16px}.bank-details{display:grid;grid-template-columns:auto 1fr;gap:3px 12px;margin-bottom:12px;font-size:11.5px}.bank-details dt{color:var(--c-text-muted);white-space:nowrap}.legal-notes{font-size:11px;color:var(--c-text-muted);line-height:1.6;margin-top:8px;display:flex;flex-direction:column;gap:4px}@media print{*{-webkit-print-color-adjust:exact!important;print-color-adjust:exact!important}:root{--c-bg:#fff;--c-surface:#fff;--c-accent:#2a6ca8;--c-text:#1a1a1a;--c-text-muted:#6b6b6b;--c-border:#ddd9d0}.no-print,.topbar{display:none!important}.page-root{height:auto;overflow:visible}.main-layout{display:block;overflow:visible}.preview-panel{overflow:visible;background:#fff}.preview-scroll{padding:0;overflow:visible;display:block}.a4-sheet{width:100%;min-height:auto;box-shadow:none;border-radius:0}.accent-bar{height:3px}.accent-bar,.footer-divider{background:#2a6ca8!important}.footer-divider{height:2px}.invoice-table thead tr{background:#2a6ca8!important;color:#fff!important}.invoice-table thead th{color:#fff!important}.brand-line{color:#2a6ca8!important}.header-grid{display:grid!important;grid-template-columns:1fr 1.4fr 1.2fr!important;gap:24px!important}.col-sender{text-align:right!important}.address-block--right{align-items:flex-end!important}@page{margin:0;size:A4}}@media (max-width:900px){.main-layout{grid-template-columns:1fr;overflow-y:auto}.editor-panel{max-height:50vh;overflow:hidden}.preview-scroll{padding:20px 12px}.a4-sheet{width:100%;min-height:auto}.invoice-document{padding:24px 20px}.header-grid{grid-template-columns:1fr;gap:16px}.col-sender{text-align:left}}.lang-tabs{display:flex;gap:2px;background:hsla(0,0%,100%,.06);padding:3px;border-radius:var(--radius-sm)}.lang-btn{font-family:var(--font-mono);font-size:11px;font-weight:500;letter-spacing:.1em;padding:5px 10px;border:none;border-radius:var(--radius-sm);background:transparent;color:var(--c-text-muted);cursor:pointer;transition:all .15s ease}.lang-btn--active,.lang-btn:hover{color:var(--c-text-inv)}.lang-btn--active{background:hsla(0,0%,100%,.15)}.line-items-header{padding:4px 0;margin-top:4px}.line-item-row,.line-items-header{display:grid;grid-template-columns:1fr 80px 60px 80px 80px 28px;gap:6px}.line-item-row{align-items:start;padding:6px 0;border-bottom:1px solid hsla(0,0%,100%,.06)}.line-unit{grid-column:2}.line-desc{grid-column:1;min-height:96px}.line-qty{grid-column:3}.line-price{grid-column:4}.line-total{grid-column:5;font-family:var(--font-mono);font-size:13px;font-weight:500;color:var(--c-text-inv);text-align:right;padding:7px 0}.li-col-unit{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--c-text-muted)}