:root {
  --bg: #f3f5f8;
  --panel: #ffffff;
  --ink: #1d2430;
  --muted: #667085;
  --line: #d8dee8;
  --nav: #18202b;
  --nav-soft: #222c3a;
  --accent: #176b87;
  --accent-strong: #11566d;
  --danger: #b42318;
  --warning: #b54708;
  --success: #027a48;
  --preview: #6941c6;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
.auth-gate { background: var(--bg); display: grid; min-height: 100vh; padding: 32px; place-items: center; }
.auth-panel { width: min(440px, 100%); }
.auth-form { display: grid; gap: 14px; margin-top: 18px; }
.sr-only { border: 0; clip: rect(0 0 0 0); height: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute; white-space: nowrap; width: 1px; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: Arial, Helvetica, sans-serif; font-size: 14px; }
a { color: inherit; }
.app-shell { display: grid; grid-template-columns: 270px minmax(0, 1fr); min-height: 100vh; }
.sidebar { background: var(--nav); color: #f6f8fb; display: flex; flex-direction: column; gap: 22px; padding: 22px 18px; }
.brand-block { align-items: center; display: flex; gap: 12px; }
.brand-mark { align-items: center; background: #f2c94c; border-radius: 6px; color: #1b1b1b; display: inline-flex; font-weight: 800; height: 42px; justify-content: center; width: 52px; }
.brand-block h1 { font-size: 17px; line-height: 1.15; margin: 0; }
.brand-block p, .sidebar-note { color: #b8c0cc; margin: 3px 0 0; }
.nav-list { display: grid; gap: 4px; }
.nav-link { border-radius: 6px; color: #d9e0ea; padding: 10px 12px; text-decoration: none; }
.nav-link:hover, .nav-link.active { background: var(--nav-soft); color: #fff; }
.sidebar-note { border-top: 1px solid rgba(255,255,255,.16); margin-top: auto; padding-top: 16px; }
.main-shell { min-width: 0; }
.topbar { align-items: center; background: #fff; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; min-height: 78px; padding: 16px 28px; }
.eyebrow { color: var(--accent); font-size: 12px; font-weight: 700; letter-spacing: 0; margin: 0 0 4px; text-transform: uppercase; }
.topbar h2 { font-size: 24px; margin: 0; }
.profile-chip { align-items: center; border: 1px solid var(--line); border-radius: 8px; display: flex; gap: 10px; padding: 8px 10px; }
.profile-chip span:not(.avatar) { color: var(--muted); display: block; font-size: 12px; }
.avatar { align-items: center; background: #e7f1f5; border-radius: 999px; color: var(--accent-strong); display: inline-flex; font-weight: 700; height: 34px; justify-content: center; width: 34px; }
.content-area { display: grid; gap: 18px; margin: 0 auto; max-width: 1380px; padding: 24px; }
.view { display: grid; gap: 18px; }
.panel, .hero-panel { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 20px; }
.hero-panel { align-items: center; display: flex; justify-content: space-between; gap: 24px; }
h2, h3 { margin: 0 0 12px; }
h3 { font-size: 18px; }
.hero-panel h3 { font-size: 26px; margin-bottom: 6px; }
.hero-panel p { color: var(--muted); margin: 0; max-width: 720px; }
.muted { color: var(--muted); margin: 0; }
.text-link { color: var(--accent); font-weight: 700; text-decoration: none; }
.invoice-task-link { background: transparent; border: 0; min-height: 0; padding: 0; text-align: left; text-decoration: underline; }
.invoice-task-link:hover, .invoice-task-link:focus-visible { color: var(--accent-strong); outline: 2px solid rgba(23, 107, 135, .25); outline-offset: 2px; }
.upload-grid, .queue-toolbar { display: grid; gap: 14px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.queue-toolbar { grid-template-columns: minmax(240px, 1fr) 220px 200px; margin: 10px 0 14px; }
.pricing-toolbar { grid-template-columns: minmax(260px, 1fr) 200px 170px; }
.upload-box { border: 1px dashed #a8b3c4; border-radius: 8px; display: grid; gap: 8px; min-height: 100px; padding: 16px; }
.upload-box span { font-weight: 700; }
button, input, select { font: inherit; }
input, select { border: 1px solid var(--line); border-radius: 6px; min-height: 36px; min-width: 0; padding: 8px; }
button, .button { background: #fff; border: 1px solid #aeb7c5; border-radius: 6px; color: var(--ink); cursor: pointer; min-height: 36px; padding: 8px 12px; text-decoration: none; }
button:disabled { cursor: not-allowed; opacity: .55; }
button.primary, .button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.actions { align-items: center; display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.actions.compact { margin-top: 0; }
.section-title { align-items: center; display: flex; gap: 16px; justify-content: space-between; }
.header-grid { display: grid; gap: 10px; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-bottom: 18px; }
.field { display: grid; gap: 5px; }
.field label { color: var(--muted); font-size: 12px; }
.field input { width: 100%; }
.table-wrap, .saved-list, .mini-table { overflow-x: auto; }
table { border-collapse: collapse; min-width: 1000px; width: 100%; }
th, td { border-bottom: 1px solid var(--line); padding: 9px 8px; text-align: left; vertical-align: top; }
th { background: #f0f3f7; color: #344054; font-size: 12px; }
.sortable-header { background: transparent; border: 0; color: inherit; font-size: inherit; font-weight: 700; min-height: 0; padding: 0; text-align: left; }
.sortable-header:hover, .sortable-header:focus-visible { color: var(--accent-strong); outline: 2px solid rgba(23, 107, 135, .25); outline-offset: 2px; }
td input { border: 1px solid transparent; border-radius: 4px; min-width: 90px; padding: 6px; width: 100%; }
td input:focus { border-color: var(--accent); outline: none; }
.message { border-radius: 6px; margin-top: 14px; padding: 12px; white-space: pre-wrap; }
.error { background: #fef3f2; color: var(--danger); }
.warning { background: #fff7ed; color: var(--warning); }
.success { background: #ecfdf3; color: var(--success); }
.summary-grid { display: grid; gap: 10px; grid-template-columns: repeat(5, minmax(0, 1fr)); margin: 14px 0; }
.dashboard-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.summary-card, .task-card { border: 1px solid var(--line); border-radius: 6px; padding: 12px; }
.summary-card strong, .task-card strong { display: block; font-size: 22px; margin-bottom: 2px; }
.summary-card span, .summary-card small, .task-card span, .task-card small { color: var(--muted); display: block; }
.task-card { background: #fff; cursor: pointer; min-height: 128px; text-align: left; transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease; width: 100%; }
.task-card strong { color: var(--ink); font-size: 30px; }
.task-card span { color: var(--ink); font-size: 15px; font-weight: 700; margin-bottom: 6px; }
.task-card:hover, .task-card:focus-visible { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(23, 107, 135, .14); outline: none; transform: translateY(-1px); }
.secondary-metrics-panel .summary-grid { margin-bottom: 0; }
.task-context { align-items: center; background: #f0f9ff; border: 1px solid #b9e6fe; border-radius: 6px; display: flex; gap: 10px; justify-content: space-between; margin-bottom: 10px; padding: 10px 12px; }
.task-context span { color: var(--accent-strong); font-weight: 700; }
.red-flag-pricing-search { display: none; max-width: 420px; position: relative; width: min(420px, 100%); }
.red-flag-pricing-search.active { display: block; }
.red-flag-pricing-search input { width: 100%; }
.pricing-lookup-panel { background: #fff; border: 1px solid var(--line); border-radius: 6px; box-shadow: 0 12px 24px rgba(16, 24, 40, .12); display: grid; gap: 8px; left: 0; margin-top: 6px; max-height: 360px; overflow: auto; padding: 10px; position: absolute; right: 0; top: 100%; z-index: 5; }
.pricing-lookup-panel[hidden] { display: none !important; }
.pricing-lookup-row { border-bottom: 1px solid var(--line); display: grid; gap: 4px; padding: 8px 0; }
.pricing-lookup-row:last-child { border-bottom: 0; }
.pricing-lookup-row strong { display: block; }
.pricing-lookup-row span { color: var(--muted); overflow-wrap: anywhere; }
.pricing-lookup-meta { align-items: center; display: flex; flex-wrap: wrap; gap: 8px; }
.pricing-lookup-note { color: var(--muted); font-size: 12px; }
.red-flag-actions-cell { min-width: 360px; }
.red-flag-action-row { align-items: center; display: flex; flex-wrap: wrap; gap: 8px; }
.red-flag-confirm { color: #fff; font-weight: 700; }
.red-flag-confirm-success { background: var(--success); border-color: var(--success); }
.red-flag-confirm-warning { background: #f2c94c; border-color: #d6a900; color: #1d2430; }
.red-flag-confirm-danger { background: var(--danger); border-color: var(--danger); }
.red-flag-approval-fields { align-items: end; display: grid; gap: 8px; grid-template-columns: 120px minmax(140px, 1fr); margin-top: 8px; }
.red-flag-approval-fields label { color: var(--muted); display: grid; font-size: 12px; gap: 4px; }
.inline-message { margin-top: 8px; padding: 8px; }
.detail-header-panel .section-title { align-items: flex-start; }
.detail-summary-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.detail-summary-grid .summary-card strong { font-size: 16px; overflow-wrap: anywhere; }
.document-context-list { display: grid; gap: 10px; }
.document-context-card { border: 1px solid var(--line); border-radius: 6px; display: grid; gap: 8px; padding: 12px; }
.document-context-card .meta-row, .line-context { display: flex; flex-wrap: wrap; gap: 6px; }
.line-context { align-items: flex-start; flex-direction: column; }
.line-context small { color: var(--muted); display: block; font-size: 11px; line-height: 1.25; }
.original-value-note { color: var(--warning); display: block; font-size: 11px; margin-top: 4px; overflow-wrap: anywhere; }
.review-history-list { display: grid; gap: 8px; }
.review-history-item { border: 1px solid var(--line); border-radius: 6px; display: grid; gap: 4px; padding: 10px; }
.review-history-item p { margin: 0; overflow-wrap: anywhere; }
.review-history-item small { color: var(--muted); }
.badge { border-radius: 999px; display: inline-block; font-size: 12px; font-weight: 700; padding: 4px 8px; }
.badge.preview { background: #f4ebff; color: var(--preview); }
.badge.status { background: #eef4ff; color: #175cd3; }
.preview-panel { border-color: #ded2f8; }
.status-match { color: var(--success); font-weight: 700; }
.status-problem { color: var(--danger); font-weight: 700; }
.status-review { color: var(--warning); font-weight: 700; }
.difference-higher { color: var(--danger); font-weight: 700; }
.difference-lower { color: var(--success); font-weight: 700; }
.review-flag { color: var(--warning); font-weight: 700; }
.raw-preview { background: #101828; border-radius: 8px; color: #e6edf6; max-height: 260px; overflow: auto; padding: 12px; white-space: pre-wrap; }
.toggle { align-items: center; color: var(--muted); display: flex; gap: 6px; }
.empty-state { border: 1px dashed var(--line); border-radius: 8px; color: var(--muted); padding: 22px; text-align: center; }
.report-grid, .settings-grid, .user-grid, .activity-list, .preview-list { display: grid; gap: 10px; }
.report-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  align-items: end;
  margin-bottom: 16px;
}
.report-controls label {
  display: grid;
  gap: 4px;
  font-size: 0.85rem;
  color: #475569;
}
.preview-row { align-items: center; border: 1px solid var(--line); border-radius: 6px; display: flex; justify-content: space-between; padding: 12px; }
.preview-row small { color: var(--muted); display: block; }
.reconciliation-workspace { align-items: start; display: grid; gap: 16px; grid-template-columns: minmax(260px, .32fr) minmax(0, 1fr); }
.reconciliation-invoice-nav, .reconciliation-detail-workspace, .history-column, .history-detail { display: grid; gap: 10px; min-width: 0; }
.reconciliation-invoice-nav h4, .reconciliation-detail-workspace h4, .history-column h4, .history-detail h4 { margin: 0; }
.reconciliation-selected-header { border-bottom: 1px solid var(--line); padding-bottom: 12px; }
.reconciliation-run-selector { display: grid; gap: 8px; }
.run-selector-list { align-items: stretch; display: flex; flex-wrap: wrap; gap: 8px; }
.run-selector-item { background: #fff; border: 1px solid var(--line); border-radius: 6px; cursor: pointer; display: grid; gap: 3px; min-width: 180px; padding: 8px 10px; text-align: left; }
.run-selector-item:hover, .run-selector-item.active { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(21, 112, 239, .12); }
.run-selector-item strong { display: block; }
.run-selector-item small { color: var(--muted); }
.run-selector-item .meta-row { align-items: center; display: flex; flex-wrap: wrap; gap: 6px; }
.run-selector-item.latest { border-left: 4px solid var(--success); }
.reconciliation-table-wrap table { min-width: 900px; }
.history-list { display: grid; gap: 8px; }
.history-item { background: #fff; border: 1px solid var(--line); border-radius: 6px; cursor: pointer; display: grid; gap: 4px; padding: 10px; text-align: left; }
.history-item:hover, .history-item.active { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(21, 112, 239, .12); }
.history-item strong { display: block; }
.history-item small { color: var(--muted); }
.history-item .meta-row { align-items: center; display: flex; flex-wrap: wrap; gap: 8px; }
.history-item.latest { border-left: 4px solid var(--success); }
.pagination-bar { align-items: center; display: flex; gap: 10px; justify-content: flex-end; }
@media (max-width: 1000px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .nav-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .topbar, .hero-panel, .section-title { align-items: flex-start; flex-direction: column; }
  .upload-grid, .header-grid, .summary-grid, .dashboard-grid, .queue-toolbar, .reconciliation-workspace { grid-template-columns: 1fr; }
}