:root {
      color-scheme: light;
      --bg: #f6f7f4;
      --panel: #ffffff;
      --ink: #1e2528;
      --muted: #687175;
      --line: #d9dfdd;
      --line-strong: #aeb8b4;
      --accent: #1f6f67;
      --accent-strong: #124c47;
      --accent-soft: #e3f1ee;
      --warn: #9b3d20;
      --warn-soft: #f8e7df;
      --ok: #236531;
      --shadow: 0 12px 28px rgba(31, 46, 44, 0.08);
      font-family: Arial, Helvetica, sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      min-height: 100vh;
      background: var(--bg);
      color: var(--ink);
    }

    button,
    input,
    select {
      font: inherit;
    }

    button {
      border: 1px solid var(--line-strong);
      background: var(--panel);
      color: var(--ink);
      border-radius: 6px;
      padding: 7px 10px;
      cursor: pointer;
      transition: border-color 120ms ease, background-color 120ms ease, color 120ms ease;
    }

    button:hover,
    button:focus-visible {
      border-color: var(--accent);
      outline: none;
    }

    button:disabled {
      cursor: not-allowed;
      opacity: 0.55;
    }

    button.primary {
      border-color: var(--accent);
      background: var(--accent);
      color: #fff;
    }

    button.primary:hover,
    button.primary:focus-visible {
      background: var(--accent-strong);
    }

    button.subtle {
      background: #f7faf9;
    }

    input[type="search"],
    input[type="file"],
    select {
      width: 100%;
      border: 1px solid var(--line-strong);
      border-radius: 6px;
      background: #fff;
      color: var(--ink);
      padding: 7px 9px;
    }

    input:focus-visible,
    select:focus-visible {
      border-color: var(--accent);
      outline: 2px solid rgba(31, 111, 103, 0.18);
      outline-offset: 1px;
    }

    .app {
      min-height: 100vh;
      display: grid;
      grid-template-rows: auto 1fr;
    }

    .topbar {
      display: grid;
      grid-template-columns: minmax(210px, 0.8fr) minmax(620px, 1.8fr) auto;
      gap: 10px;
      align-items: end;
      padding: 7px 10px;
      background: #fff;
      border-bottom: 1px solid var(--line);
      position: sticky;
      top: 0;
      z-index: 10;
    }

    .brand h1 {
      margin: 0;
      font-size: 17px;
      font-weight: 700;
      letter-spacing: 0;
      white-space: nowrap;
    }

    .brand p {
      display: none;
    }

    .file-controls {
      display: grid;
      grid-template-columns: minmax(165px, 210px) minmax(0, 1fr);
      gap: 6px;
      align-items: end;
    }

    .file-field {
      display: grid;
      gap: 3px;
      min-width: 0;
    }

    .field-label {
      color: var(--muted);
      font-size: 10px;
      text-transform: uppercase;
      letter-spacing: 0.04em;
    }

    .summary-strip {
      display: grid;
      grid-template-columns: minmax(110px, 1fr) minmax(128px, 1.1fr) minmax(150px, 1.35fr) minmax(62px, 0.5fr);
      gap: 6px;
      align-items: center;
    }

    .metric {
      min-width: 0;
      max-width: none;
      padding: 4px 6px;
      border: 1px solid var(--line);
      border-radius: 6px;
      background: #fbfcfb;
      overflow: hidden;
    }

    .metric .label {
      display: block;
      color: var(--muted);
      font-size: 10px;
      text-transform: uppercase;
      letter-spacing: 0.04em;
    }

    .metric .value {
      display: block;
      margin-top: 2px;
      font-weight: 700;
      font-size: 12px;
      overflow-wrap: anywhere;
    }

    .actions {
      display: flex;
      gap: 6px;
      align-items: center;
      justify-content: end;
      white-space: nowrap;
    }

    .actions button {
      padding: 7px 9px;
      font-size: 13px;
    }

    .help-dialog {
      width: min(720px, calc(100vw - 32px));
      border: 1px solid var(--line-strong);
      border-radius: 8px;
      padding: 0;
      color: var(--ink);
      box-shadow: 0 20px 70px rgba(20, 36, 34, 0.24);
    }

    .help-dialog::backdrop {
      background: rgba(20, 28, 31, 0.38);
    }

    .help-header {
      display: flex;
      justify-content: space-between;
      gap: 16px;
      align-items: start;
      padding: 16px 18px 12px;
      border-bottom: 1px solid var(--line);
      background: #fbfcfb;
    }

    .help-header h2 {
      margin: 0;
      font-size: 20px;
    }

    .help-header p {
      margin: 4px 0 0;
      color: var(--muted);
      font-size: 13px;
    }

    .help-body {
      padding: 16px 18px 18px;
      display: grid;
      gap: 14px;
    }

    .help-body h3 {
      margin: 0 0 6px;
      font-size: 15px;
    }

    .help-body p,
    .help-body li {
      color: #394246;
      line-height: 1.45;
      font-size: 14px;
    }

    .help-body p,
    .help-body ol,
    .help-body ul {
      margin-top: 0;
      margin-bottom: 0;
    }

    .help-body ol,
    .help-body ul {
      padding-left: 22px;
    }

    @media (max-width: 1280px) {
      .topbar {
        grid-template-columns: minmax(168px, 0.65fr) minmax(580px, 1.9fr) auto;
        gap: 8px;
      }

      .brand h1 {
        font-size: 15px;
      }

      .file-controls {
        grid-template-columns: minmax(135px, 165px) minmax(0, 1fr);
      }

      .summary-strip {
        grid-template-columns: minmax(92px, 0.9fr) minmax(114px, 1fr) minmax(132px, 1.25fr) 52px;
        gap: 5px;
      }

      .metric {
        padding: 4px 5px;
      }

      .metric .label,
      .field-label {
        font-size: 9px;
      }

      .metric .value {
        font-size: 11px;
      }

      .actions button {
        padding: 6px 7px;
        font-size: 12px;
      }
    }

    .content {
      display: grid;
      grid-template-columns: minmax(260px, 330px) 1fr;
      min-height: 0;
    }

    .sidebar {
      border-right: 1px solid var(--line);
      background: #fbfcfb;
      min-height: 0;
      display: grid;
      grid-template-rows: auto auto 1fr;
    }

    .sidebar-tools {
      display: grid;
      gap: 10px;
      padding: 14px;
      border-bottom: 1px solid var(--line);
    }

    .toggle-row {
      display: flex;
      align-items: center;
      gap: 8px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.35;
    }

    .toggle-row input {
      width: 16px;
      height: 16px;
      accent-color: var(--accent);
      flex: 0 0 auto;
    }

    .status {
      padding: 10px 14px;
      color: var(--muted);
      font-size: 13px;
      border-bottom: 1px solid var(--line);
      min-height: 38px;
    }

    .status.error {
      color: var(--warn);
      background: var(--warn-soft);
    }

    .source-notice {
      margin: 0 0 12px;
      padding: 10px 12px;
      border: 1px solid var(--line);
      border-left: 4px solid var(--accent);
      border-radius: 6px;
      background: #fbfcfb;
      color: #394246;
      font-size: 13px;
      line-height: 1.4;
    }

    .source-notice.warning {
      border-left-color: var(--warn);
      background: #fffaf7;
    }

    .source-notice strong {
      color: var(--ink);
    }

    .employee-list {
      overflow: auto;
      min-height: 0;
      padding: 8px;
    }

    .employee-button {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 8px;
      width: 100%;
      text-align: left;
      border: 1px solid transparent;
      background: transparent;
      padding: 9px 10px;
      border-radius: 6px;
      min-height: 56px;
    }

    .employee-button:hover {
      background: var(--accent-soft);
      border-color: #c2ddd8;
    }

    .employee-button.active {
      background: var(--accent);
      border-color: var(--accent);
      color: #fff;
    }

    .employee-name {
      font-weight: 700;
      overflow-wrap: anywhere;
    }

    .employee-meta {
      margin-top: 3px;
      color: var(--muted);
      font-size: 12px;
    }

    .employee-button.active .employee-meta,
    .employee-button.active .employee-total {
      color: rgba(255, 255, 255, 0.82);
    }

    .employee-total {
      color: var(--muted);
      font-size: 12px;
      white-space: nowrap;
      align-self: center;
      max-width: 84px;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    main {
      min-width: 0;
      min-height: 0;
      overflow: auto;
      padding: 18px;
    }

    .empty-state {
      max-width: 760px;
      margin: 80px auto;
      padding: 28px;
      background: var(--panel);
      border: 1px solid var(--line);
      border-radius: 8px;
      box-shadow: var(--shadow);
    }

    .empty-state h2 {
      margin: 0 0 10px;
      font-size: 24px;
    }

    .empty-state p {
      color: var(--muted);
      line-height: 1.5;
      margin: 0;
    }

    .person-header {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 16px;
      align-items: start;
      margin-bottom: 14px;
    }

    .person-title h2 {
      margin: 0;
      font-size: 24px;
      letter-spacing: 0;
    }

    .person-title p {
      margin: 5px 0 0;
      color: var(--muted);
    }

    .summary-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 10px;
      margin-bottom: 18px;
    }

    .summary-box {
      border: 1px solid var(--line);
      background: #fff;
      border-radius: 6px;
      padding: 11px 12px;
      min-height: 74px;
      min-width: 0;
    }

    .summary-box .label {
      color: var(--muted);
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 0.04em;
    }

    .summary-box .amount {
      display: block;
      margin-top: 8px;
      font-size: 19px;
      font-weight: 700;
      overflow-wrap: anywhere;
    }

    .view-controls {
      display: grid;
      gap: 8px;
    }

    .segmented {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 4px;
      padding: 3px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: #eef3f1;
    }

    .segmented button {
      border: 0;
      background: transparent;
      padding: 7px 8px;
      border-radius: 6px;
      font-size: 13px;
    }

    .segmented button.active {
      background: #fff;
      color: var(--accent-strong);
      box-shadow: 0 1px 4px rgba(31, 46, 44, 0.12);
      font-weight: 700;
    }

    .pager {
      display: grid;
      grid-template-columns: auto 1fr auto;
      gap: 6px;
      align-items: center;
    }

    .pager-status {
      color: var(--muted);
      font-size: 12px;
      text-align: center;
      overflow-wrap: anywhere;
    }

    .report-toolbar {
      display: flex;
      gap: 8px;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 14px;
      padding: 10px 12px;
      border: 1px solid var(--line);
      border-radius: 8px;
      background: #fff;
    }

    .report-toolbar strong {
      display: block;
      font-size: 15px;
    }

    .report-toolbar span {
      display: block;
      color: var(--muted);
      font-size: 13px;
      margin-top: 2px;
    }

    .print-report-header {
      display: none;
    }

    .person-report {
      margin-bottom: 22px;
      break-inside: avoid;
    }

    .person-report.all-report {
      padding-bottom: 14px;
      border-bottom: 2px solid var(--line);
    }

    .section {
      margin-bottom: 16px;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 8px;
      overflow: hidden;
    }

    .section-heading {
      display: flex;
      gap: 12px;
      align-items: baseline;
      justify-content: space-between;
      padding: 10px 12px;
      border-bottom: 1px solid var(--line);
      background: #fbfcfb;
    }

    .section-heading h3 {
      margin: 0;
      font-size: 16px;
    }

    .section-heading .section-total {
      color: var(--muted);
      font-size: 13px;
      white-space: nowrap;
    }

    .table-wrap {
      overflow-x: auto;
    }

    table {
      width: 100%;
      border-collapse: collapse;
      table-layout: fixed;
      font-size: 13px;
      min-width: 760px;
    }

    th,
    td {
      border-bottom: 1px solid var(--line);
      padding: 7px 8px;
      vertical-align: top;
      text-align: left;
      line-height: 1.35;
    }

    th {
      color: var(--muted);
      background: #fff;
      font-weight: 700;
      white-space: nowrap;
    }

    tr:last-child td {
      border-bottom: 0;
    }

    .col-code { width: 29%; }
    .col-account { width: 16%; }
    .col-date { width: 20%; }
    .col-scope { width: 8%; }
    .col-qty { width: 9%; }
    .col-price { width: 9%; }
    .col-amount { width: 9%; }

    td {
      overflow-wrap: anywhere;
    }

    td:nth-child(3) {
      white-space: normal;
    }

    .number,
    .amount-cell {
      text-align: right;
      font-variant-numeric: tabular-nums;
      white-space: nowrap;
    }

    .amount-cell.negative {
      color: var(--warn);
    }

    .muted {
      color: var(--muted);
    }

    .tag {
      display: inline-flex;
      align-items: center;
      min-height: 21px;
      padding: 2px 6px;
      border-radius: 6px;
      background: var(--accent-soft);
      color: var(--accent-strong);
      font-size: 12px;
      font-weight: 700;
    }

    .hidden {
      display: none !important;
    }

    @media (max-width: 980px) {
      .topbar {
        grid-template-columns: 1fr auto;
        align-items: end;
      }

      .brand {
        grid-column: 1 / -1;
      }

      .file-controls {
        grid-template-columns: 1fr;
      }

      .summary-strip {
        grid-template-columns: repeat(2, minmax(120px, 1fr));
      }

      .actions {
        justify-content: start;
      }

      .content {
        grid-template-columns: 1fr;
      }

      .sidebar {
        border-right: 0;
        border-bottom: 1px solid var(--line);
        max-height: 42vh;
      }

      .summary-grid {
        grid-template-columns: repeat(2, minmax(130px, 1fr));
      }
    }

    @media (max-width: 620px) {
      .topbar {
        grid-template-columns: 1fr;
      }

      main {
        padding: 12px;
      }

      .summary-grid {
        grid-template-columns: 1fr;
      }

      .person-header {
        grid-template-columns: 1fr;
      }

      .actions {
        flex-wrap: wrap;
      }

      .summary-strip {
        grid-template-columns: 1fr;
      }

      .report-toolbar {
        display: grid;
      }
    }

    @media print {
      @page {
        margin: 10mm;
      }

      body {
        background: #fff;
      }

      .topbar,
      .sidebar,
      .person-header .actions,
      .report-toolbar,
      .empty-state {
        display: none !important;
      }

      .app,
      .content {
        display: block;
      }

      main {
        padding: 0;
        overflow: visible;
      }

      .print-report-header {
        display: grid;
        grid-template-columns: 1fr auto;
        gap: 12px;
        align-items: end;
        border-bottom: 2px solid #222;
        padding-bottom: 7px;
        margin-bottom: 10px;
      }

      .print-report-header h1 {
        margin: 0;
        font-size: 17px;
        text-align: center;
      }

      .print-report-header .print-company {
        font-size: 10.5px;
      }

      .print-report-header .print-meta {
        font-size: 10.5px;
        text-align: right;
        line-height: 1.35;
      }

      .person-header,
      .summary-grid {
        break-inside: avoid;
      }

      .person-report {
        break-inside: avoid;
        page-break-inside: avoid;
      }

      .person-report.all-report {
        break-inside: auto;
        page-break-inside: auto;
        border-bottom: 1.5px solid #333;
        margin-bottom: 8px;
        padding-bottom: 5px;
      }

      .person-report.all-report + .person-report.all-report {
        page-break-before: auto;
      }

      .all-report .summary-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 5px;
        border: 0;
        padding: 0;
        margin: 4px 0 6px;
      }

      .all-report .summary-box {
        display: block;
        border: 1px solid #bbb;
        border-radius: 3px;
        min-height: 0;
        padding: 3px 5px;
      }

      .all-report .summary-box .label {
        font-size: 9px;
        letter-spacing: 0;
        text-transform: none;
      }

      .all-report .summary-box .amount {
        display: block;
        margin-top: 1px;
        font-size: 10px;
      }

      .all-report .section {
        break-inside: auto;
        page-break-inside: auto;
        border: 1px solid #bbb;
        border-radius: 3px;
        margin-bottom: 5px;
      }

      .all-report .person-header,
      .all-report .summary-grid,
      .all-report .section-heading {
        break-inside: avoid;
        page-break-inside: avoid;
      }

      .person-title h2 {
        font-size: 14px;
        margin-bottom: 2px;
      }

      .person-title p {
        margin: 0;
        font-size: 10px;
      }

      .summary-grid {
        grid-template-columns: repeat(4, 1fr);
      }

      .summary-box,
      .section {
        box-shadow: none;
        border-color: #aaa;
      }

      .section {
        break-inside: auto;
        page-break-inside: auto;
      }

      .section-heading {
        display: flex;
        padding: 4px 6px 3px;
        border-top: 0;
        border-bottom: 1px solid #ccc;
        background: #f8f9f8;
      }

      .section-heading h3 {
        font-size: 11px;
      }

      .section-heading .section-total {
        font-size: 9.5px;
      }

      thead {
        display: table-header-group;
      }

      tr {
        break-inside: avoid;
        page-break-inside: avoid;
      }

      table {
        font-size: 9.5px;
        min-width: 0;
        table-layout: fixed;
      }

      th,
      td {
        padding: 2.2px 4px;
        border-bottom: 1px solid #ddd;
      }

      th {
        font-size: 9px;
        border-bottom: 1px solid #999;
      }

      .col-code { width: 27%; }
      .col-account { width: 15%; }
      .col-date { width: 20%; }
      .col-scope { width: 8%; }
      .col-qty { width: 8%; }
      .col-price { width: 10%; }
      .col-amount { width: 12%; }

      .table-wrap {
        overflow: visible;
      }
    }