:root{--bg:#eef3f4;--panel:#fff;--text:#172026;--muted:#62727f;--line:#d9e1e6;--accent:#157f74;--accent-strong:#0f6159;--accent-soft:#e7f3f1;--danger:#b42318;--shadow:0 18px 44px rgba(23,32,38,.08)}*{box-sizing:border-box}body{margin:0;background:linear-gradient(180deg,#f8fbfb 0,var(--bg) 320px),var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,select{font:inherit}.shell{min-height:100vh;padding:24px}.workspace{display:grid;grid-template-columns:220px minmax(0,1fr);grid-gap:16px;gap:16px;max-width:1380px;margin:0 auto}.workspace.single{max-width:960px;grid-template-columns:1fr}.panel{border:1px solid var(--line);border-radius:8px;background:var(--panel);box-shadow:var(--shadow)}.intro{gap:16px;padding:24px}.intro,.sidebar{display:flex;flex-direction:column}.sidebar{gap:10px;align-self:start;position:-webkit-sticky;position:sticky;top:24px;padding:14px}.sidebar-title{display:grid;grid-gap:3px;gap:3px;padding:4px 4px 10px;border-bottom:1px solid var(--line)}.sidebar-title span{color:var(--accent);font-size:11px;font-weight:900;letter-spacing:0}.sidebar-title strong{font-size:18px;line-height:1.2}.nav{display:grid;grid-gap:4px;gap:4px;min-height:58px;padding:10px 12px;border:0;border-radius:8px;background:transparent;color:var(--muted);cursor:pointer;text-align:left}.nav strong{color:inherit;font-size:14px;font-weight:900}.nav span{color:inherit;font-size:12px;font-weight:500;line-height:1.35}.nav.active{background:var(--accent-soft);color:var(--accent-strong);box-shadow:inset 3px 0 0 var(--accent)}.eyebrow{margin:0 0 8px;color:var(--accent);font-size:12px;font-weight:800;letter-spacing:0;text-transform:uppercase}h1,h2,p{margin-top:0}h1{margin-bottom:8px;font-size:34px;line-height:1.15}h1,h2{letter-spacing:0}h2{margin-bottom:6px;font-size:20px}.subtle{margin-bottom:0;color:var(--muted);font-size:14px;line-height:1.55}.file-grid{display:grid;grid-template-columns:1fr;grid-gap:12px;gap:12px}.dropzone{display:grid;min-height:104px;place-items:center;padding:18px;border:1px dashed #9fb3bf;border-radius:8px;background:#f8fbfb;cursor:pointer;text-align:center;transition:border-color .14s ease,background .14s ease,transform .14s ease}.dropzone:hover{border-color:var(--accent);background:#f1f8f7;transform:translateY(-1px)}.dropzone input{display:none}.dropzone strong{display:block;margin-bottom:8px;color:var(--text);font-size:15px}.dropzone span{max-width:100%;overflow-wrap:anywhere;color:var(--muted);font-size:13px}.button{display:inline-flex;min-height:42px;align-items:center;justify-content:center;border:1px solid var(--accent);border-radius:8px;background:var(--accent);color:#fff;cursor:pointer;font-weight:800;transition:background .14s ease,border-color .14s ease,transform .14s ease}.button:not(:disabled):hover{transform:translateY(-1px)}.actions{display:grid;grid-template-columns:1fr 1fr;grid-gap:10px;gap:10px}.actions.split-actions{grid-template-columns:1fr 1fr 1fr}.actions.single-action{grid-template-columns:1fr}.button.secondary{background:#fff;color:var(--accent)}.button.primary:not(:disabled):hover{background:var(--accent-strong);border-color:var(--accent-strong)}.button.secondary:not(:disabled):hover{background:var(--accent-soft)}.button:disabled{border-color:#b9c5cb;background:#b9c5cb;cursor:not-allowed}.status{min-height:22px;padding:0 2px;margin:0;color:var(--muted);font-size:14px;line-height:1.5}.status.error{color:var(--danger)}.download-name{margin:0;color:var(--accent-strong);font-size:13px;font-weight:700;overflow-wrap:anywhere}.erp-test{display:grid;grid-gap:14px;gap:14px;padding:16px;border:1px solid var(--line);border-radius:8px;background:#f8fbfb}.erp-test code,.erp-test strong{display:block}.erp-test strong{margin-bottom:8px;color:var(--accent-strong);font-size:14px}.erp-test code{padding:10px 12px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--text);overflow-wrap:anywhere}.erp-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:10px;gap:10px}.erp-grid label{display:grid;grid-gap:6px;gap:6px;color:var(--muted);font-size:12px;font-weight:800}.erp-grid select{min-height:38px;width:100%;border:1px solid #b8c8cf;border-radius:6px;background:#fff;color:var(--text);font-weight:700}.po-line{display:grid;grid-template-columns:auto minmax(0,1fr) auto;grid-gap:10px;gap:10px;align-items:center}.po-line span{color:var(--muted);font-size:12px;font-weight:900}.preview{max-height:420px;overflow:auto;border:1px solid var(--line);border-radius:8px;background:#fff}.preview table{width:100%;min-width:860px;border-collapse:collapse;font-size:12px}.preview td,.preview th{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;white-space:nowrap}.preview th{position:-webkit-sticky;position:sticky;top:0;background:var(--accent-soft);color:var(--accent-strong);font-weight:800;min-width:120px}.column-title{display:inline-block;max-width:calc(100% - 24px);vertical-align:middle}.delete-column{float:right;display:inline-grid;width:18px;height:18px;place-items:center;border:1px solid #9fb3bf;border-radius:4px;background:#fff;color:var(--danger);cursor:pointer;font-size:14px;font-weight:900;line-height:1;opacity:0;visibility:hidden;transition:opacity .12s ease,visibility .12s ease,background .12s ease,border-color .12s ease}.delete-column:focus-visible,.preview th:hover .delete-column{opacity:1;visibility:visible}.delete-column:hover{border-color:var(--danger);background:#ffe4e6}.cell-input{width:100%;min-width:88px;min-height:28px;padding:4px 6px;border:1px solid #b8c8cf;border-radius:4px;background:hsla(0,0%,100%,.82);color:inherit;font:inherit;font-weight:inherit;outline:0;cursor:text;box-shadow:inset 0 1px 0 hsla(0,0%,100%,.7)}.cell-input:focus,.cell-input:hover{border-color:var(--accent);background:#fff}.cell-input:focus{box-shadow:0 0 0 2px rgba(21,127,116,.14)}.edit-strip{display:flex;min-height:36px;align-items:center;justify-content:space-between;gap:12px;padding:8px 10px;border:1px solid #9fb3bf;border-radius:8px;background:#f8fbfb;color:var(--muted);font-size:13px;font-weight:700}.link-button{border:0;background:transparent;color:var(--accent);cursor:pointer;font-weight:900}.preview tbody tr:hover td{background:#f7fafb}.preview tr.combo-row td{background:var(--combo-color);color:#172026;font-weight:700}.preview tr.highlighted td{background:#fff3b0;color:#111827;font-weight:700}.preview tr.selected-row td{outline:2px solid rgba(21,127,116,.42);outline-offset:-2px}.preview tr.failed td{background:#ffe4e6;color:#7f1d1d}.preview tr.failed.highlighted td{background:#fecdd3}.preview tr.skipped td{color:var(--muted)}@media (max-width:960px){.workspace{grid-template-columns:1fr}.sidebar{position:static}}@media (max-width:620px){.shell{padding:14px}.intro{padding:18px}.actions.split-actions,.erp-grid,.po-line{grid-template-columns:1fr}}