:root{--accent:#2563eb;--ink:#1f2937;--muted:#6b7280;--line:#e5e7eb;--bg:#f4f6fb;--card:#fff}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);margin:0;font:18px/1.65 -apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,Microsoft YaHei,sans-serif}a{color:var(--accent)}header.site{border-bottom:1px solid var(--line);background:#fff;align-items:center;gap:12px;padding:14px 22px;display:flex}header.site .brand{color:var(--accent);letter-spacing:-.02em;font-size:21px;font-weight:800}header.site nav{color:var(--muted);gap:18px;margin-left:auto;font-size:16px;display:flex}.hero{max-width:1180px;margin:0 auto;padding:22px 22px 6px}.hero h1{margin:0 0 4px;font-size:29px}.hero p{color:var(--muted);margin:0;font-size:17px}.layout{grid-template-columns:1fr 300px;align-items:start;gap:22px;max-width:1180px;margin:0 auto;padding:18px 22px 60px;display:grid}@media (width<=900px){.layout{grid-template-columns:1fr}}.panel{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;position:sticky;top:18px;box-shadow:0 1px 3px #0000000a}.panel h3{text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin:0 0 12px;font-size:15px}.btn{background:var(--accent);color:#fff;cursor:pointer;border:0;border-radius:11px;justify-content:center;align-items:center;gap:8px;width:100%;margin-bottom:9px;padding:15px;font-size:17px;font-weight:700;display:flex}.btn:hover{filter:brightness(1.05)}.btn.ghost{color:var(--ink);background:#f1f5f9;padding:12px;font-size:15.5px}.field{margin:12px 0}.field label{color:var(--muted);margin-bottom:4px;font-size:14px;display:block}.field select,.field input{border:1px solid var(--line);width:100%;font:inherit;background:#fff;border-radius:8px;padding:9px 11px}.swatches{flex-wrap:wrap;gap:8px;display:flex}.swatch{cursor:pointer;width:26px;height:26px;box-shadow:0 0 0 1px var(--line);border:2px solid #fff;border-radius:50%}.swatch.active{box-shadow:0 0 0 2px var(--ink)}.row-check{align-items:center;gap:8px;margin:7px 0;font-size:15.5px;display:flex}.hint{color:var(--muted);margin-top:10px;font-size:14px;line-height:1.55}.invoice{border:1px solid var(--line);background:#fff;border-radius:14px;min-height:600px;padding:44px;box-shadow:0 4px 20px #0000000f}.invoice.tpl-classic{border-top:7px solid var(--accent);font-family:Georgia,Times New Roman,serif}.invoice.tpl-classic .inv-title .big{color:var(--ink);letter-spacing:.04em}.invoice.tpl-classic table.items th{border-bottom:2px solid var(--accent);background:#f8fafc}.invoice.tpl-minimal .inv-title .big{letter-spacing:.32em;color:var(--ink);font-size:26px;font-weight:400}.invoice.tpl-minimal table.items th{border-bottom:1px solid var(--line);color:#94a3b8}.invoice.tpl-minimal .party .lbl,.invoice.tpl-minimal .lbl{color:#b0b8c4}.qr-box{align-items:center;gap:14px;margin-top:18px;display:none}.qr-box.show{display:flex}.qr-box img,.qr-box canvas{border:1px solid var(--line);background:#fff;border-radius:8px;width:110px;height:110px;padding:4px}.qr-box .cap{color:var(--muted);font-size:15px}.inv-top{justify-content:space-between;align-items:flex-start;gap:20px;display:flex}.logo-zone{text-align:center;width:185px;height:100px;color:var(--muted);cursor:pointer;background:#f8fafc;border:2px dashed #cbd5e1;border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;font-size:14px;transition:all .15s;display:flex;position:relative;overflow:hidden}.logo-zone:hover{border-color:var(--accent);color:var(--accent)}.logo-zone.dragover{border-color:var(--accent);background:#eff6ff}.logo-zone img{object-fit:contain;max-width:100%;max-height:100%}.logo-actions{gap:6px;margin-top:8px;display:flex}.logo-actions button{border:1px solid var(--line);cursor:pointer;color:var(--muted);background:#fff;border-radius:7px;padding:6px 11px;font-size:14px}.logo-actions button:hover{border-color:var(--accent);color:var(--accent)}.inv-title{text-align:right}.inv-title .big{color:var(--accent);letter-spacing:-.02em;font-size:42px;font-weight:800;line-height:1}.inv-title .num input{text-align:right}.inp{font:inherit;color:inherit;background:#eef2f7;border:1px solid #0000;border-radius:8px;padding:6px 9px;transition:all .12s}.inp:hover{background:#e4eaf2}.inp:focus{border-color:var(--accent);background:#fff;outline:0;box-shadow:0 0 0 3px #2563eb26}.inp::placeholder{color:#9aa4b2}.parties{gap:40px;margin-top:32px;display:flex}.party{flex:1}.party .lbl{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:6px;font-size:13.5px}.party .name{font-size:17px;font-weight:700}.party .inp{width:100%;margin-bottom:7px;display:block}.clients{flex-wrap:wrap;align-items:center;gap:7px;margin-top:4px;display:flex}.chip{border:1px solid var(--line);cursor:pointer;background:#eef2f7;border-radius:999px;align-items:center;gap:7px;padding:6px 13px;font-size:15px;display:inline-flex}.chip:hover{border-color:var(--accent);color:var(--accent)}.chip .x{color:#cbd5e1;font-weight:700}.chip .x:hover{color:#ef4444}.chip.save{color:var(--muted);background:#fff;border-style:dashed}.chip.save:hover{color:var(--accent)}.meta{flex-wrap:wrap;gap:30px;margin-top:24px;font-size:14px;display:flex}.meta .m label{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-size:13.5px;display:block}table.items{border-collapse:collapse;width:100%;margin-top:26px}table.items th{text-align:left;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);border-bottom:2px solid var(--ink);padding:9px 6px;font-size:13px}table.items th.r,table.items td.r{text-align:right}table.items td{border-bottom:1px solid var(--line);vertical-align:middle;padding:6px}table.items td .inp{width:100%}.qty,.rate{width:70px}.amount{font-variant-numeric:tabular-nums;white-space:nowrap}.del{color:#cbd5e1;cursor:pointer;background:0;border:0;padding:0 4px;font-size:16px}.del:hover{color:#ef4444}.add-row{color:var(--accent);cursor:pointer;background:0;border:0;margin-top:10px;padding:4px;font-size:13px}.totals{width:280px;margin-top:20px;margin-left:auto;font-size:14px}.totals .t{justify-content:space-between;padding:5px 0;display:flex}.totals .grand{border-top:2px solid var(--ink);margin-top:6px;padding-top:10px;font-size:19px;font-weight:800}.totals .grand .v{color:var(--accent)}.notes{margin-top:30px}.notes .lbl{text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:4px;font-size:13.5px}.notes textarea{width:100%;font:inherit;color:var(--muted);resize:vertical;background:0 0;border:1px solid #0000;border-radius:6px;min-height:44px;padding:4px}.notes textarea:hover{border-color:var(--line)}.notes textarea:focus{border-color:var(--accent);color:var(--ink);background:#f8fafc;outline:0}.fb-btn{z-index:40;background:var(--ink);color:#fff;cursor:pointer;border:0;border-radius:999px;padding:11px 16px;font-size:14px;font-weight:600;position:fixed;bottom:18px;right:18px;box-shadow:0 4px 14px #0000002e}.fb-btn:hover{filter:brightness(1.15)}.fb-mask{z-index:50;background:#0f172a73;justify-content:center;align-items:center;padding:20px;display:none;position:fixed;inset:0}.fb-mask.open{display:flex}.fb-card{background:#fff;border-radius:14px;width:100%;max-width:420px;padding:22px;box-shadow:0 20px 50px #00000040}.fb-card h3{margin:0 0 4px;font-size:18px}.fb-card p{color:var(--muted);margin:0 0 12px;font-size:13px}.fb-card textarea{border:1px solid var(--line);width:100%;min-height:110px;font:inherit;resize:vertical;border-radius:10px;padding:10px}.fb-card .fb-actions{gap:8px;margin-top:12px;display:flex}.fb-card .fb-actions button{cursor:pointer;border:0;border-radius:10px;flex:1;padding:10px;font-weight:600}.fb-send{background:var(--accent);color:#fff}.fb-cancel{color:var(--ink);background:#f3f4f6}@media print{body{background:#fff}header.site,.hero,.panel,.add-row,.del,.logo-actions,.no-print{display:none!important}.layout{max-width:none;padding:0;display:block}.invoice{box-shadow:none;border:0;border-radius:0;min-height:0;padding:0}.inp,.inp:hover,.inp:focus{box-shadow:none!important;background:0 0!important;border-color:#0000!important;padding:2px 0!important}.notes textarea{color:var(--muted)!important;background:0 0!important;border-color:#0000!important}@page{margin:14mm}}