:root{--bg:#f4f6f5;--card:#fff;--ink:#17211c;--muted:#66736c;--line:#dce3df;--brand:#12372a;--brand2:#1f5a43;--soft:#eaf3ee;--danger:#a32424;--warn:#fff5d8}
*{box-sizing:border-box}html{background:var(--bg)}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink)}
button,input,select,textarea{font:inherit}button{cursor:pointer}.app-header{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;padding:14px max(16px,env(safe-area-inset-left));background:var(--brand);color:#fff;box-shadow:0 2px 12px #0002}
.brand{font-size:16px;font-weight:850;letter-spacing:.06em}.subtitle{font-size:12px;opacity:.78;margin-top:2px}.shell{max-width:860px;margin:0 auto;padding:14px 14px 80px}
.tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;margin-bottom:12px}.tab{border:1px solid var(--line);background:#fff;color:var(--ink);padding:10px 8px;border-radius:11px;font-weight:700;font-size:13px}.tab.active{background:var(--brand);border-color:var(--brand);color:#fff}
.tab-panel{display:none}.tab-panel.active{display:block}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;margin-bottom:14px;box-shadow:0 1px 4px #0000000a}.card h1{font-size:22px;margin:0 0 5px}.card h2{font-size:17px;margin:0 0 10px}
.card-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:15px}.muted{color:var(--muted);font-size:13px;line-height:1.4}.optional{font-weight:400;color:var(--muted)}.badge{background:var(--soft);color:var(--brand);border-radius:999px;padding:6px 9px;font-size:12px;font-weight:800;white-space:nowrap}
.grid{display:grid;gap:12px}.grid.two{grid-template-columns:1fr 1fr}.search-grid{grid-template-columns:1.2fr .8fr}.field{margin-bottom:12px}.field label{display:block;font-size:13px;font-weight:750;margin-bottom:6px}
input,select,textarea{width:100%;border:1px solid #cbd5cf;border-radius:10px;background:#fff;color:var(--ink);padding:11px 12px;min-height:44px;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--brand2);box-shadow:0 0 0 3px #1f5a4318}textarea{min-height:76px;resize:vertical}
.mode-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:14px 0}.mode-card{display:flex;gap:10px;border:1px solid var(--line);padding:12px;border-radius:12px;align-items:flex-start;background:#fafcfa}.mode-card input{width:auto;min-height:auto;margin-top:3px}.mode-card span{display:flex;flex-direction:column;gap:3px}.mode-card small{color:var(--muted);line-height:1.3}
.balance-block{background:#f7faf8;border:1px solid var(--line);padding:12px;border-radius:12px;margin-bottom:12px}.balance-summary{background:#fff;border:1px dashed #bdcbc2;border-radius:10px;padding:10px;font-size:13px}
.actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:6px}.primary,.secondary,.danger,.ghost,.file-label{border:0;border-radius:10px;padding:11px 14px;font-weight:780}.primary{background:var(--brand);color:#fff}.secondary,.file-label{background:#edf1ef;color:var(--ink)}.danger{background:#feecec;color:var(--danger)}.ghost{background:#ffffff18;color:#fff;border:1px solid #ffffff44}
.file-label{display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.file-label input{display:none}.output-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:15px}.output-btn{border:1px solid var(--line);background:#fbfcfb;border-radius:12px;padding:12px 8px;display:flex;flex-direction:column;gap:3px;align-items:center;text-align:center;color:var(--ink)}.output-btn span{font-size:22px}.output-btn strong{font-size:13px}.output-btn small{font-size:11px;color:var(--muted)}
.success-line{display:flex;align-items:center;gap:11px}.check{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--soft);color:var(--brand);font-size:22px;font-weight:900}
.preview-stage{display:flex;justify-content:center;background:#ecefed;border-radius:12px;padding:20px;overflow:auto}.receipt-preview{width:58mm;min-height:80mm;background:#fff;color:#000;padding:4mm 3.5mm;font-family:"Courier New",monospace;font-size:10.2px;line-height:1.28;box-shadow:0 4px 18px #0002}
.r-center{text-align:center}.r-bold{font-weight:800}.r-big{font-weight:900;font-size:13px}.r-rule{border:0;border-top:1px dashed #000;margin:5px 0}.r-row{display:flex;justify-content:space-between;gap:8px}.r-small{font-size:8.5px}
.history-actions{display:flex;gap:7px;align-items:flex-end;flex-wrap:wrap;padding-bottom:12px}.history-item{padding:13px 0;border-top:1px solid var(--line)}.history-item:first-child{border-top:0}.history-top{display:flex;justify-content:space-between;gap:12px}.history-main strong{display:block;margin-bottom:3px}.history-buttons{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}.mini{padding:7px 9px;border-radius:8px;border:0;font-size:12px;font-weight:750}
.status-panel{display:flex;gap:11px;align-items:center;padding:13px;border-radius:12px;background:#f6f8f7;margin:14px 0}.status-dot{width:12px;height:12px;border-radius:50%;background:#98a39d}.status-dot.online{background:#20854f}
.switch-row{display:flex;gap:11px;align-items:flex-start;padding:12px;border:1px solid var(--line);border-radius:12px;margin:12px 0}.switch-row input{width:auto;min-height:auto;margin-top:3px}.switch-row span{display:flex;flex-direction:column;gap:3px}.switch-row small{color:var(--muted)}
.warning{background:var(--warn);padding:12px;border-radius:10px;margin-top:12px;font-size:13px}.danger-card{border-color:#f3d3d3}.toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);background:#17211c;color:#fff;padding:11px 15px;border-radius:999px;font-size:13px;z-index:100;box-shadow:0 5px 20px #0004}.hidden{display:none!important}
hr{border:0;border-top:1px solid var(--line);margin:18px 0}code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}
@media(max-width:680px){.shell{padding:10px 10px 70px}.tabs{position:sticky;top:65px;z-index:15;background:var(--bg);padding:5px 0}.tab{font-size:11px;padding:9px 4px}.grid.two,.search-grid,.mode-row{grid-template-columns:1fr}.output-grid{grid-template-columns:1fr 1fr}.card{padding:14px;border-radius:13px}.history-top{flex-direction:column}.history-buttons{justify-content:flex-start}}
@media print{body{background:#fff}body *{visibility:hidden!important}body.print-a6 #receiptPreview,body.print-a6 #receiptPreview *{visibility:visible!important}body.print-a6 #receiptPreview{position:absolute;left:0;top:0;width:105mm;min-height:148mm;margin:0;box-shadow:none;padding:10mm 11mm;font-size:11pt;line-height:1.45}body.print-58 #receiptPreview,body.print-58 #receiptPreview *{visibility:visible!important}body.print-58 #receiptPreview{position:absolute;left:0;top:0;width:58mm;min-height:0;margin:0;box-shadow:none;padding:3mm 3mm 5mm;font-size:9pt}}
@page{margin:0}