:root{
  --orange:#f97316;
  --orange-dark:#ea580c;
  --orange-light:#fff7ed;
  --bg:#f3f4f6;
  --card:#ffffff;
  --text:#1f2937;
  --text-soft:#6b7280;
  --border:#e5e7eb;
  --danger:#dc2626;
  --danger-bg:#fef2f2;
  --ok:#16a34a;
  --shadow:0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.04);
  --radius:12px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--text);font-size:14px;line-height:1.45;
}
h1,h2,h3{margin:0;font-weight:700}
button{font-family:inherit;cursor:pointer}

.app-header{
  background:linear-gradient(135deg,var(--orange),var(--orange-dark));
  color:#fff;padding:14px 20px;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;box-shadow:var(--shadow);
}
.brand{display:flex;align-items:center;gap:12px}
.brand-logo{
  width:42px;height:42px;border-radius:10px;background:rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;font-size:22px;
}
.brand-text h1{font-size:18px;line-height:1.1}
.brand-text p{margin:2px 0 0;font-size:12px;opacity:.9}
.top-nav{display:flex;gap:6px;flex-wrap:wrap}
.nav-btn{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  color:#fff;padding:8px 14px;border-radius:8px;font-size:13px;font-weight:600;
  transition:.15s;
}
.nav-btn:hover{background:rgba(255,255,255,.25)}
.nav-btn.active{background:#fff;color:var(--orange-dark)}

.layout{
  display:grid;grid-template-columns:minmax(380px,1fr) minmax(420px,1.1fr);
  gap:18px;padding:18px;align-items:stretch;max-width:1500px;margin:0 auto;
}
.left-col,.right-col{display:flex;flex-direction:column;gap:18px}

.card{
  background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);
  border:1px solid var(--border);padding:16px;
}
.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.card-head h2{font-size:16px}
.badge{background:var(--orange-light);color:var(--orange-dark);padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600}

.tabs{display:flex;gap:4px;background:var(--bg);padding:4px;border-radius:10px;margin-bottom:14px}
.tab-btn{
  flex:1;border:none;background:transparent;padding:9px;border-radius:8px;
  font-weight:600;color:var(--text-soft);font-size:13px;
}
.tab-btn.active{background:#fff;color:var(--orange-dark);box-shadow:var(--shadow)}
.tab-panel{display:none}
.tab-panel.active{display:block}

.product-card{
  background:var(--orange-light);border:1px solid #fed7aa;border-radius:10px;
  padding:12px;margin-bottom:10px;position:relative;
}
.product-card .pc-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.product-card .pc-index{font-weight:700;color:var(--orange-dark);font-size:13px}
.product-card .pc-error{font-size:11px;color:var(--danger);margin-top:4px;min-height:0}
.field-row{display:flex;gap:10px;flex-wrap:wrap}
.field-row .field{flex:1;min-width:90px}
.field{display:flex;flex-direction:column;gap:4px;margin-bottom:10px}
.field span{font-size:12px;font-weight:600;color:var(--text-soft)}
.field input,.field select{
  padding:9px 10px;border:1px solid var(--border);border-radius:8px;font-size:14px;
  background:#fff;color:var(--text);width:100%;
}
.field input:focus,.field select:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(249,115,22,.15)}

.product-actions{display:flex;gap:10px;margin:6px 0 14px}
.btn{
  border:none;border-radius:9px;padding:10px 16px;font-size:14px;font-weight:600;
  transition:.15s;display:inline-flex;align-items:center;justify-content:center;gap:6px;
}
.btn-block{width:100%}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-dark)}
.btn-ghost{background:#fff;border:1px solid var(--border);color:var(--text)}
.btn-ghost:hover{border-color:var(--orange);color:var(--orange-dark)}
.btn-danger-ghost{background:#fff;border:1px solid #fecaca;color:var(--danger)}
.btn-danger-ghost:hover{background:var(--danger-bg)}
.btn-link{background:none;border:none;color:var(--orange-dark);font-weight:600;text-decoration:underline;padding:8px 0}
.btn-icon{background:#fff;border:1px solid var(--border);width:34px;height:34px;border-radius:8px;font-size:16px;color:var(--text);padding:0}
.btn-icon:hover{border-color:var(--orange);color:var(--orange-dark)}

.error-box{color:var(--danger);font-size:13px;margin-top:8px;min-height:0}
.error-box:empty{margin:0}

.dropzone{
  border:2px dashed #fdba74;border-radius:12px;background:var(--orange-light);
  padding:30px 16px;text-align:center;margin-bottom:14px;
}
.dropzone.drag{border-color:var(--orange);background:#ffedd5}
.dropzone-icon{font-size:30px;color:var(--orange)}
.dz-title{font-weight:700;margin:8px 0 2px}
.dz-sub{color:var(--text-soft);margin:0 0 10px;font-size:12px}

.import-preview{margin-top:12px}
.import-preview h3{font-size:14px;margin-bottom:10px}
.col-mapping{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:12px;background:var(--bg);padding:10px;border-radius:8px}
.col-mapping label{display:flex;flex-direction:column;gap:3px;font-size:12px;font-weight:600;color:var(--text-soft)}
.col-mapping select{padding:6px 8px;border-radius:6px;border:1px solid var(--border)}
.table-wrap{max-height:280px;overflow:auto;border:1px solid var(--border);border-radius:8px}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:8px 10px;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap}
th{background:var(--bg);position:sticky;top:0;font-size:12px}
.status-ok{color:var(--ok);font-weight:600}
.status-err{color:var(--danger);font-weight:600}
.import-summary{font-size:13px;margin:10px 0;color:var(--text-soft)}
.import-actions{display:flex;gap:10px}

.setting-group{border-top:1px solid var(--border);padding-top:14px;margin-top:14px}
.setting-group:first-of-type{border-top:none;padding-top:0;margin-top:0}
.setting-group h3{font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--text-soft);margin-bottom:10px}
.sub-panel{background:var(--bg);border-radius:8px;padding:12px;margin-top:10px}
.calc-line{font-size:13px;margin-top:6px;color:var(--text-soft)}

.switch-field{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;gap:10px}
.switch-field>span{font-size:13px;font-weight:600}
.switch{position:relative;display:inline-block;width:42px;height:24px;flex-shrink:0}
.switch input{opacity:0;width:0;height:0}
.slider{position:absolute;cursor:pointer;inset:0;background:#cbd5e1;border-radius:24px;transition:.2s}
.slider:before{content:"";position:absolute;height:18px;width:18px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s}
.switch input:checked+.slider{background:var(--orange)}
.switch input:checked+.slider:before{transform:translateX(18px)}
.hint{font-size:12px;color:var(--text-soft);margin:4px 0 0}
.error-inline{background:var(--danger-bg);color:var(--danger);padding:8px 10px;border-radius:8px;font-size:13px;margin-top:8px}

.preview-card{position:sticky;top:18px}
.preview-controls{display:flex;align-items:center;gap:6px}
#zoomLabel{font-size:12px;font-weight:600;min-width:42px;text-align:center}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:14px}
.stat{background:var(--orange-light);border:1px solid #fed7aa;border-radius:9px;padding:8px;text-align:center}
.stat-val{display:block;font-size:18px;font-weight:800;color:var(--orange-dark);line-height:1.1}
.stat-lbl{font-size:11px;color:var(--text-soft);font-weight:600}

.preview-scroll{overflow:auto;max-height:62vh;padding:10px;background:var(--bg);border-radius:10px}
.preview-canvas{transform-origin:top center;margin:0 auto}

.print-tip{background:#fffbeb;border:1px solid #fde68a;color:#92400e;padding:10px 12px;border-radius:9px;font-size:12px;margin:12px 0}
.btn-print{margin-top:4px}

.toast{
  position:fixed;bottom:24px;left:50%;transform:translateX(-50%);
  background:var(--text);color:#fff;padding:12px 18px;border-radius:10px;
  box-shadow:0 6px 20px rgba(0,0,0,.25);z-index:1000;font-size:14px;font-weight:600;
}
.toast.error{background:var(--danger)}

.label{
  position:absolute;background:#fff;border:1px dashed #cbd5e1;overflow:hidden;
  box-sizing:border-box;
}
.label.no-border{border:none !important}
.label .name{
  position:absolute;left:0;right:0;display:flex;align-items:center;overflow:hidden;
  word-break:break-word;white-space:pre-line;line-height:1.15;
}
.label .barcode{
  position:absolute;left:0;right:0;display:flex;align-items:center;justify-content:center;
}
.label .barcode svg{display:block}
.bc-text{font-family:"Courier New",monospace;font-weight:600;color:#000;line-height:1.1;text-align:center;width:100%;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.page-sheet{
  position:relative;background:#fff;box-shadow:var(--shadow);
  margin:0 auto 14px;
}
.roll-sheet{background:#fff;box-shadow:var(--shadow);margin:0 auto 14px;padding:6px;display:flex;flex-direction:column;align-items:center;gap:4px}

@media (max-width:980px){
  .layout{grid-template-columns:1fr}
  .preview-card{position:static}
  .preview-scroll{max-height:none}
}
@media (max-width:560px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .app-header{flex-direction:column;align-items:flex-start}
  .top-nav{width:100%;overflow-x:auto}
  .field-row .field{min-width:100%}
}

.print-area{display:none}
@media print{
  .app-header,.layout,.toast{display:none !important}
  body{background:#fff}
  .print-area{display:block}
  @page{margin:0}
  .print-page{
    position:relative;overflow:hidden;page-break-after:always;
    box-shadow:none !important;
  }
  .print-page:last-child{page-break-after:auto}
  .print-page .label{border:1px solid #000}
  .print-page .label.no-border{border:none}
  .print-roll{display:flex;flex-direction:column;align-items:center;gap:0;page-break-inside:avoid}
  .print-roll .label{position:relative !important;left:auto !important;top:auto !important;margin-bottom:2mm;page-break-inside:avoid;border:1px solid #000}
  .print-roll .label.no-border{border:none}
}