:root{--text:#4a5260;--text-strong:#1f2530;--text-muted:#8a93a3;--bg:#f4f6f8;--card-bg:#fff;--border:#dfe3e8;--accent:#4da3dd;--accent-dark:#2f86c4;--accent-bg:#eef6fc;--green:#36b37e;--green-dark:#2c9568;--orange:#f5821f;--red:#d6453d;--blue:#4a90d9;color:var(--text);background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body{background:var(--bg);min-height:100vh;margin:0}h1,h2{color:var(--text-strong);font-weight:600}button{font:inherit;cursor:pointer}select,input[type=text],input[type=number]{font:inherit;color:var(--text-strong);border:1px solid var(--border);background:#fff;border-radius:4px;padding:6px 8px}.app{max-width:1100px;margin:0 auto;padding:24px 16px 64px}.upload-screen{text-align:center;max-width:640px;margin:48px auto}.upload-screen .subtitle{margin-bottom:32px;font-size:15px}.schema-label{color:var(--text-strong);justify-content:center;align-items:center;gap:10px;font-weight:600;display:flex}.schema-label select{min-width:280px}.schema-desc{color:var(--text-muted);margin:8px 0 24px;font-size:13px}.dropzone{border:2px dashed var(--border);background:var(--card-bg);color:var(--text-strong);border-radius:8px;padding:56px 24px;transition:border-color .15s,background .15s}.dropzone:hover,.dropzone.dragging{border-color:var(--accent);background:var(--accent-bg);cursor:pointer}.dropzone .hint{color:var(--text-muted);margin-top:8px;font-size:13px}.upload-steps{text-align:left;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:24px;display:grid}.upload-step h3{color:var(--text-strong);align-items:center;gap:8px;margin:0 0 4px;font-size:16px;display:flex}.step-num{background:var(--accent);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;font-size:13px;font-weight:700;display:inline-flex}.step-desc{color:var(--text-muted);min-height:36px;margin:0 0 10px;font-size:13px}.dropzone.small{padding:28px 16px}.dropzone.has-file{border-style:solid;border-color:var(--accent);background:var(--accent-bg)}.file-check{color:var(--green-dark);font-weight:700}.mode-toggle{margin-top:10px;font-size:13px;display:block}.custom-mode-box{border:1px solid var(--accent);background:var(--accent-bg);color:var(--text-strong);border-radius:8px;padding:20px 16px}.custom-mode-box .step-desc{min-height:auto;margin:6px 0 0}.btn-continue{padding:12px 28px;font-size:16px}@media (width<=700px){.upload-steps{grid-template-columns:1fr}}.error-banner{color:var(--red);background:#fdecea;border:1px solid #f5c6c2;border-radius:6px;margin-top:16px;padding:10px 14px}.mapping-header{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.mapping-header h2{margin:0 0 4px;font-size:20px}.source-summary{color:var(--text-muted);font-size:13px}.header-actions{flex-wrap:wrap;gap:8px;display:flex}.btn-primary{background:var(--accent);color:#fff;border:none;border-radius:5px;padding:9px 16px;font-weight:600}.btn-primary:hover:not(:disabled){background:var(--accent-dark)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{color:var(--text-strong);border:1px solid var(--border);background:#fff;border-radius:5px;padding:9px 14px}.btn-secondary:hover{border-color:var(--text-muted)}.btn-link{color:var(--blue);background:0 0;border:none;padding:0;font-size:13px;text-decoration:underline}.templates-panel{background:var(--card-bg);border:1px solid var(--border);border-radius:8px;max-width:560px;margin-top:14px;padding:16px 18px}.templates-header{color:var(--text-strong);justify-content:space-between;align-items:center;margin-bottom:10px;display:flex}.panel-close{color:var(--text-muted);background:0 0;border:none;padding:2px 6px;font-size:18px}.panel-close:hover{color:var(--red)}.templates-empty{color:var(--text-muted);margin:4px 0 12px;font-size:13px}.templates-list{flex-direction:column;gap:8px;margin:0 0 12px;padding:0;list-style:none;display:flex}.templates-list li{align-items:center;gap:10px;display:flex}.template-info{flex:1;align-items:baseline;gap:10px;min-width:0;display:flex}.template-name{color:var(--text-strong);text-overflow:ellipsis;white-space:nowrap;font-weight:600;overflow:hidden}.template-date{color:var(--text-muted);flex-shrink:0;font-size:12px}.template-delete{color:var(--text-muted);background:0 0;border:none;padding:2px 6px;font-size:16px}.template-delete:hover{color:var(--red)}.template-save-row{border-top:1px solid var(--border);gap:8px;padding-top:12px;display:flex}.template-save-row input{flex:1}.notice-banner{color:var(--text-strong);cursor:pointer;background:#eaf3fc;border:1px solid #c5ddf4;border-radius:6px;margin-top:14px;padding:10px 14px}.notice-banner .dismiss{color:var(--text-muted);margin-left:8px;font-size:12px}.progress-bar{flex-wrap:wrap;align-items:center;gap:10px;margin:16px 0;display:flex}.chip{background:#eef0f3;border-radius:12px;padding:4px 10px;font-size:13px}.chip.ok{background:var(--accent-bg);color:var(--accent-dark)}.chip.warn{color:var(--orange);background:#fdf1e4}.chip.learned{background:var(--accent-bg);color:var(--accent-dark)}.chip.muted{color:var(--text-muted)}.chip.error{color:var(--red);background:#fdecea}.sheet-tabs{border-bottom:2px solid var(--border);gap:4px;margin-bottom:20px;display:flex}.tab{color:var(--text);background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-2px;padding:10px 16px;font-weight:500}.tab.active{color:var(--text-strong);border-bottom-color:var(--accent)}.tab-count{color:var(--text-muted);margin-left:6px;font-size:12px}.field-list{flex-direction:column;gap:14px;display:flex}.add-column-card{border:2px dashed var(--border);background:#fafbfc;border-radius:8px;flex-wrap:wrap;align-items:center;gap:10px;padding:16px;display:flex}.add-column-card input{min-width:220px}.empty-hint{color:var(--text-muted);font-size:13px}.field-name-input{color:var(--text-strong);min-width:200px;font-size:15px;font-weight:600}.remove-column{color:var(--text-muted);background:0 0;border:none;margin-left:auto;padding:2px 6px;font-size:18px;line-height:1}.remove-column:hover{color:var(--red)}.output-format{min-width:70px}.field-card{background:var(--card-bg);border:1px solid var(--border);border-radius:8px;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:20px;padding:18px;display:grid}.field-card.status-ignored{opacity:.6}.field-card.compact{justify-content:space-between;align-items:center;gap:16px;padding:14px 18px;display:flex}.compact-left{align-items:baseline;gap:10px;min-width:0;display:flex}.compact-source{color:var(--text-muted);text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.compact-right{flex-shrink:0;align-items:center;gap:14px;display:flex}.btn-edit{color:var(--text-strong);background:#eef0f3;border:none;border-radius:5px;padding:7px 16px;font-weight:600}.btn-edit:hover{background:var(--border)}.field-name-row{align-items:center;gap:8px;display:flex}.field-name{color:var(--text-strong);font-size:15px;font-weight:600}.required-tag{text-transform:uppercase;letter-spacing:.03em;color:var(--orange);background:#fdf1e4;border-radius:3px;padding:2px 6px;font-size:11px}.field-desc{color:var(--text-muted);margin-top:2px;font-size:13px}.source-row{flex-wrap:wrap;gap:8px;margin-top:10px;display:flex}.source-row select{max-width:100%}.fixed-input{flex:1;min-width:140px}.preview-table{border-collapse:collapse;width:100%;margin-top:10px;font-size:13px}.preview-table td{border:1px solid var(--border);color:var(--text-strong);text-overflow:ellipsis;white-space:nowrap;max-width:280px;padding:5px 10px;overflow:hidden}.preview-table .row-num{width:36px;color:var(--text-muted);text-align:center;background:#fafbfc}.card-right{flex-direction:column;gap:6px;display:flex}.status-line{font-size:14px}.status-line.ok{color:var(--green-dark)}.status-line.warn{color:var(--orange)}.status-line.info{color:var(--text)}.status-line.muted{color:var(--text-muted)}.card-actions{gap:8px;margin-top:auto;padding-top:12px;display:flex}.btn-confirm{background:var(--accent);color:#fff;border:none;border-radius:5px;padding:8px 14px;font-weight:600}.btn-confirm:hover{background:var(--accent-dark)}.btn-ignore{border:1px solid var(--border);color:var(--text-strong);background:#fff;border-radius:5px;padding:8px 14px}.btn-ignore:hover{border-color:var(--text-muted)}.transform-editor{flex-direction:column;gap:6px;margin-top:10px;display:flex}.transform-step{border:1px solid var(--border);background:#f7f9fa;border-radius:5px;flex-wrap:wrap;align-items:center;gap:6px;padding:6px 8px;font-size:13px;display:flex}.step-label{color:var(--text-strong);font-weight:600}.transform-step input[type=number]{width:80px}.transform-step input[type=text]{width:120px}.sep-input{width:70px!important}.remove-step{color:var(--text-muted);background:0 0;border:none;margin-left:auto;padding:2px 6px;font-size:16px;line-height:1}.remove-step:hover{color:var(--red)}.add-step{color:var(--text);align-self:flex-start;font-size:13px}@media (width<=760px){.field-card{grid-template-columns:1fr}}.connector-list{flex-direction:column;gap:8px;margin-bottom:12px;display:flex}.connector-option{text-align:left;border:1px solid var(--border);background:var(--card-bg);border-radius:6px;flex-direction:column;align-items:flex-start;gap:2px;padding:12px 14px;display:flex}.connector-option:hover{border-color:var(--accent)}.connector-option.selected{border-color:var(--accent);background:var(--accent-bg)}.connector-option strong{color:var(--text-strong)}.connector-desc{color:var(--text-muted);font-size:13px}.conn-status{border:1px solid var(--border);border-radius:6px;padding:12px 14px;font-size:14px}.conn-status.checking{color:var(--text-muted)}.conn-status.connected{color:var(--green-dark);background:#eaf7f1;border-color:#bfe6d4}.conn-status.disconnected .btn-primary{margin-top:8px;text-decoration:none;display:inline-block}.conn-connected{flex-direction:column;gap:10px;display:flex}.conn-status.connected{justify-content:space-between;align-items:center;gap:12px;display:flex}.history-toggle{white-space:nowrap;flex-shrink:0}.restock-history{text-align:left}.restock-history.muted{color:var(--text-muted);padding:4px 0;font-size:13px}.restock-history .preview-table{margin:4px 0 0}.preview-header{justify-content:space-between;align-items:center;gap:12px;display:flex}.notice-banner.success{color:var(--green-dark);background:#eaf7f1}.notice-banner.warn{color:var(--orange);background:#fdf1e4}.preview-table{border-collapse:collapse;width:100%;margin:8px 0 16px;font-size:13px}.preview-table th,.preview-table td{text-align:left;border-bottom:1px solid var(--border);padding:7px 10px}.preview-table th{color:var(--text-muted);font-weight:600}.preview-table tr.line-matched td{color:var(--text-strong)}.preview-table tr.line-unmatched td,.preview-table tr.line-invalid_qty td{color:var(--text-muted)}.preview-table tr.line-ambiguous td,.preview-table tr.line-not_tracked td{color:var(--orange)}.preview-actions{gap:10px;display:flex}.import-progress{margin:8px 0 16px}.import-progress .progress-track{background:var(--accent-bg);border-radius:6px;height:10px;overflow:hidden}.import-progress .progress-fill{background:var(--accent);border-radius:6px;height:100%;transition:width .2s}.import-progress .muted{color:var(--text-muted);margin-top:6px;font-size:13px}