:root {
  color-scheme: light;
  --canvas: oklch(0.982 0.004 255);
  --surface: oklch(1 0 0);
  --surface-muted: oklch(0.958 0.008 255);
  --ink: oklch(0.245 0.025 255);
  --muted: oklch(0.505 0.025 255);
  --primary: oklch(0.535 0.19 258);
  --primary-hover: oklch(0.475 0.19 258);
  --primary-soft: oklch(0.94 0.035 258);
  --warning: oklch(0.725 0.15 75);
  --warning-soft: oklch(0.955 0.055 82);
  --success: oklch(0.49 0.125 151);
  --success-soft: oklch(0.95 0.04 151);
  --danger: oklch(0.54 0.205 28);
  --danger-soft: oklch(0.955 0.035 28);
  --line: oklch(0.89 0.012 255);
  --focus: oklch(0.62 0.2 258);
  --radius-control: 0.625rem;
  --radius-panel: 1rem;
  font-family: "Segoe UI Variable", "Segoe UI", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

* { box-sizing: border-box; }
html { min-width: 20rem; background: var(--canvas); }
body { margin: 0; color: var(--ink); background: var(--canvas); font-size: 1rem; line-height: 1.5; }
a { color: var(--primary); text-underline-position: from-font; text-decoration-thickness: from-font; }
button, input, select { font: inherit; }
button, .button { min-height: 2.75rem; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
::selection { color: var(--ink); background: var(--primary-soft); }
.skip-link { position: fixed; inset-block-start: 0.75rem; inset-inline-start: 0.75rem; z-index: 100; padding: 0.75rem 1rem; color: white; background: var(--primary); border-radius: var(--radius-control); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
.app-shell { display: grid; grid-template-columns: 15rem minmax(0, 1fr); min-height: 100vh; }
.sidebar { position: sticky; inset-block-start: 0; display: flex; flex-direction: column; min-height: 100vh; max-height: 100vh; padding: 1.5rem 1rem; background: var(--surface); box-shadow: 1px 0 0 var(--line); }
.brand { display: inline-flex; align-items: center; gap: 0.75rem; min-height: 2.75rem; color: var(--ink); font-weight: 700; text-decoration: none; letter-spacing: -0.02em; }
.brand-mark { display: inline-grid; place-items: center; width: 2rem; height: 2rem; color: white; background: var(--primary); border-radius: 0.6rem; }
.primary-nav { display: grid; gap: 0.25rem; margin-block-start: 2.5rem; }
.primary-nav a { min-height: 2.75rem; display: flex; align-items: center; padding-inline: 0.875rem; color: var(--muted); font-weight: 600; text-decoration: none; border-radius: var(--radius-control); }
.primary-nav a:hover { color: var(--ink); background: var(--surface-muted); }
.primary-nav a[aria-current="page"] { color: var(--primary); background: var(--primary-soft); }
.logout-form { margin-block-start: auto; }
.workspace { width: min(100% - 3rem, 78rem); margin-inline: auto; padding-block: 2.5rem 5rem; }
.mobile-header { display: none; }
.page-header { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-block-end: 2rem; }
.page-header h1 { margin: 0; font-size: clamp(2rem, 3vw, 2.75rem); line-height: 1.08; letter-spacing: -0.045em; text-wrap: balance; }
.page-header p { max-width: 65ch; margin: 0.65rem 0 0; color: var(--muted); text-wrap: pretty; }
.narrow-header { max-width: 52rem; }
.button { display: inline-flex; align-items: center; justify-content: center; padding: 0.65rem 1rem; border: 0; border-radius: var(--radius-control); font-weight: 650; text-decoration: none; cursor: pointer; transition-property: color, background-color, box-shadow, transform; transition-duration: 120ms; }
.button:active { transform: scale(0.96); }
.button-primary { color: white; background: var(--primary); box-shadow: 0 1px 2px oklch(0.2 0.03 258 / 0.2); }
.button-primary:hover { background: var(--primary-hover); }
.button-secondary { color: var(--ink); background: var(--surface); box-shadow: inset 0 0 0 1px var(--line), 0 1px 2px oklch(0 0 0 / 0.04); }
.button-quiet { width: 100%; color: var(--muted); background: transparent; }
.button-quiet:hover { color: var(--ink); background: var(--surface-muted); }
.safety-strip { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: 1.25rem 1.5rem; margin-block-end: 2.5rem; border-radius: var(--radius-panel); }
.safety-neutral { background: var(--surface-muted); box-shadow: inset 0 0 0 1px var(--line); }
.safety-strip p { margin: 0; }
.status-label { font-weight: 700; }
.status-label + p, .status-meta { color: var(--muted); font-size: 0.875rem; }
.dashboard-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-block-end: 3rem; }
.summary-block { padding-block: 0.5rem 1.5rem; border-block-end: 1px solid var(--line); }
.summary-block h2, .ledger-section h2 { margin: 0; font-size: 1rem; line-height: 1.3; }
.summary-block p { margin: 0.4rem 0 0; color: var(--muted); }
.summary-value { color: var(--ink) !important; font-size: 2.25rem; line-height: 1.1; font-weight: 720; letter-spacing: -0.04em; }
.summary-small { font-size: 1.2rem; letter-spacing: -0.01em; }
.tabular { font-variant-numeric: tabular-nums; }
.ledger-section { padding: 1.5rem; background: var(--surface); border-radius: var(--radius-panel); box-shadow: 0 1px 2px oklch(0 0 0 / 0.05), 0 8px 24px oklch(0.2 0.02 255 / 0.04); }
.section-heading p, .empty-state p { margin: 0.35rem 0 0; color: var(--muted); }
.empty-state { padding-block: 4rem; text-align: center; }
.empty-title { color: var(--ink) !important; font-weight: 700; }
.auth-shell { min-height: 100vh; background: var(--primary-soft); }
.auth-main { min-height: 100vh; display: grid; place-items: center; padding: 1.5rem; }
.login-panel { width: min(100%, 26rem); padding: 2rem; background: var(--surface); border-radius: 1.25rem; box-shadow: 0 20px 60px oklch(0.25 0.04 258 / 0.12); }
.login-brand { display: flex; align-items: center; gap: 0.75rem; font-weight: 700; }
.login-panel h1 { margin: 2rem 0 0; font-size: 2rem; line-height: 1.1; letter-spacing: -0.035em; }
.lede { margin: 0.6rem 0 1.75rem; color: var(--muted); }
.form-stack, .settings-form { display: grid; gap: 1.25rem; }
.field { display: grid; gap: 0.4rem; align-content: start; }
.field label { font-weight: 650; }
.field input, .field select { width: 100%; min-height: 2.75rem; padding: 0.65rem 0.75rem; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-control); font-size: 1rem; font-variant-numeric: tabular-nums; }
.field input:hover, .field select:hover { border-color: var(--muted); }
.field input[aria-invalid="true"] { border-color: var(--danger); box-shadow: 0 0 0 1px var(--danger); }
.field-hint, .field-error, .field-group-help { margin: 0; font-size: 0.8125rem; line-height: 1.45; }
.field-hint, .field-group-help { color: var(--muted); }
.field-error { color: var(--danger); font-weight: 600; }
.notice { padding: 0.875rem 1rem; margin-block-end: 1.5rem; border-radius: var(--radius-control); font-weight: 600; }
.notice-success { color: var(--success); background: var(--success-soft); }
.notice-warning { background: var(--warning-soft); }
.notice-danger { color: var(--danger); background: var(--danger-soft); }
.settings-layout { display: grid; grid-template-columns: minmax(0, 2fr) minmax(18rem, 1fr); gap: 2.5rem; align-items: start; }
.settings-form { gap: 2rem; }
fieldset { min-width: 0; padding: 1.5rem; margin: 0; background: var(--surface); border: 0; border-radius: var(--radius-panel); box-shadow: 0 1px 2px oklch(0 0 0 / 0.05), 0 8px 24px oklch(0.2 0.02 255 / 0.04); }
legend { padding: 0; font-size: 1.125rem; font-weight: 720; }
.field-group-help { margin-block: 0.35rem 1.25rem; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.form-actions { position: sticky; inset-block-end: 1rem; display: flex; justify-content: flex-end; padding: 0.75rem; background: oklch(0.982 0.004 255 / 0.94); backdrop-filter: blur(8px); border-radius: calc(var(--radius-control) + 0.75rem); }
.formula-panel { position: sticky; inset-block-start: 2rem; padding: 1.5rem; background: var(--primary-soft); border-radius: var(--radius-panel); }
.formula-panel h2 { margin: 0; font-size: 1.125rem; line-height: 1.3; text-wrap: balance; }
.formula-panel > p { color: var(--muted); font-size: 0.875rem; }
.formula-list { margin: 1.5rem 0; }
.formula-list div { display: flex; justify-content: space-between; gap: 1rem; padding-block: 0.45rem; }
.formula-list dt { color: var(--muted); }
.formula-list dd { margin: 0; font-weight: 650; white-space: nowrap; }
.formula-total { margin-block-start: 0.5rem; padding-block-start: 0.9rem !important; border-block-start: 1px solid oklch(0.8 0.035 258); }
.formula-total dt, .formula-total dd { color: var(--ink); font-weight: 750; }
.breadcrumbs { display: flex; gap: 0.5rem; margin-block-end: 1.5rem; color: var(--muted); font-size: 0.875rem; }
.table-wrap { overflow-x: auto; background: var(--surface); border-radius: var(--radius-panel); box-shadow: 0 1px 2px oklch(0 0 0 / 0.05), 0 8px 24px oklch(0.2 0.02 255 / 0.04); }
.data-table { width: 100%; border-collapse: collapse; text-align: start; }
.data-table th { padding: 0.9rem 1rem; color: var(--muted); font-size: 0.8125rem; font-weight: 650; text-align: start; border-block-end: 1px solid var(--line); }
.data-table td { padding: 1rem; vertical-align: top; border-block-end: 1px solid var(--line); }
.data-table tr:last-child td { border-block-end: 0; }
.data-table td > span:not(.status-pill) { display: block; margin-block-start: 0.2rem; color: var(--muted); font-size: 0.8125rem; }
.item-link { color: var(--ink); font-weight: 700; text-decoration-color: oklch(0.75 0.05 258); text-underline-offset: 0.18em; }
.item-link:hover { color: var(--primary); }
.strong-cell { font-weight: 750; }
.status-pill { display: inline-flex; align-items: center; min-height: 1.75rem; padding-inline: 0.65rem; border-radius: 99rem; font-size: 0.8125rem; font-weight: 700; white-space: nowrap; }
.status-ok { color: var(--success); background: var(--success-soft); }
.status-paused { color: var(--danger); background: var(--danger-soft); }
.pricing-source { color: var(--ink) !important; font-weight: 650; }
.stack-form { display: grid; gap: 1rem; }
.button-danger { color: white; background: var(--danger); }
.button-danger:hover { filter: brightness(0.92); }
.danger-action { margin-block-start: 1.5rem; padding-block-start: 1rem; border-block-start: 1px solid var(--line); }
.danger-action summary { min-height: 2.5rem; color: var(--danger); font-weight: 700; cursor: pointer; }
.revealed-code { display: block; min-height: 3rem; margin-block-start: 1rem; padding: 0.85rem; color: var(--ink); background: var(--canvas); border: 1px dashed var(--line-strong); border-radius: var(--radius-control); font-family: ui-monospace, monospace; overflow-wrap: anywhere; white-space: pre-wrap; }
.delivery-form { margin-block-start: 1rem; }
.empty-copy { color: var(--muted); }
.listing-copy { line-height: 1.65; white-space: pre-line; }
.connection-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-block-end: 2rem; }
.connection-card { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; min-height: 8rem; padding: 1.25rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-panel); }
.connection-card h2 { margin: 0; font-size: 1rem; }
.connection-card p { margin: 0.35rem 0 0; color: var(--muted); font-size: 0.875rem; }
.integration-layout { grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 0.8fr); }
.integration-actions { display: grid; gap: 1.5rem; }
.integration-actions .formula-panel { position: static; }
.check-list { display: grid; gap: 0; padding: 0; margin: 1.5rem 0 2rem; list-style: none; }
.check-list li { display: grid; grid-template-columns: 2.25rem 1fr; gap: 0.9rem; padding-block: 1rem; border-block-end: 1px solid var(--line); }
.check-list li:first-child { border-block-start: 1px solid var(--line); }
.check-list p { margin: 0.25rem 0 0; color: var(--muted); font-size: 0.875rem; }
.check-mark { display: grid; place-items: center; width: 2rem; height: 2rem; color: var(--primary); background: var(--primary-soft); border-radius: 50%; font-weight: 750; }
.button:disabled { cursor: not-allowed; opacity: 0.55; transform: none; }
.mapping-section { margin-block-end: 2rem; }
.mapping-heading { display: flex; align-items: end; justify-content: space-between; gap: 1.5rem; }
.mapping-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-block-start: 1.5rem; }
.mapping-card { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; padding: 1rem; background: var(--canvas); border: 1px solid var(--line); border-radius: var(--radius-control); }
.mapping-card > div:first-child, .mapping-card .check-control { grid-column: 1 / -1; }
.mapping-card p { margin: 0.2rem 0 0; color: var(--muted); font-size: 0.8125rem; overflow-wrap: anywhere; }
.check-control { display: flex; align-items: flex-start; gap: 0.6rem; min-height: 2.75rem; padding-block: 0.45rem; font-weight: 650; }
.check-control input { width: 1.25rem; height: 1.25rem; flex: 0 0 auto; margin-block-start: 0.1rem; accent-color: var(--primary); }

@media (max-width: 60rem) {
  .app-shell { display: block; }
  .sidebar { position: static; display: block; min-height: auto; max-height: none; padding: 0 1rem 0.75rem; box-shadow: 0 1px 0 var(--line); overflow-x: auto; }
  .sidebar > .brand, .logout-form { display: none; }
  .mobile-header { display: flex; align-items: center; min-height: 4rem; padding-inline: 1rem; background: var(--surface); }
  .primary-nav { display: flex; width: max-content; margin: 0; }
  .primary-nav a { white-space: nowrap; }
  .workspace { width: min(100% - 2rem, 78rem); padding-block: 2rem 4rem; }
  .settings-layout { grid-template-columns: 1fr; }
  .connection-grid { grid-template-columns: 1fr; }
  .mapping-grid { grid-template-columns: 1fr; }
  .formula-panel { position: static; order: -1; }
}

@media (max-width: 42rem) {
  .page-header { align-items: stretch; flex-direction: column; gap: 1.25rem; }
  .page-header .button { width: 100%; }
  .safety-strip { align-items: flex-start; flex-direction: column; gap: 0.75rem; }
  .dashboard-grid, .form-grid { grid-template-columns: 1fr; }
  .dashboard-grid { gap: 1.25rem; }
  .workspace { width: min(100% - 2rem, 78rem); padding-block-start: 1.5rem; }
  .form-actions { inset-block-end: 0.5rem; }
  .form-actions .button { width: 100%; }
  .mapping-heading { align-items: stretch; flex-direction: column; }
  .mapping-card { grid-template-columns: 1fr; }
  .mapping-card > div:first-child, .mapping-card .check-control { grid-column: auto; }
  fieldset, .ledger-section, .formula-panel { padding: 1.25rem; }
  .table-wrap { overflow: visible; background: transparent; box-shadow: none; }
  .data-table, .data-table tbody, .data-table tr, .data-table td { display: block; }
  .data-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
  .data-table tbody { display: grid; gap: 1rem; }
  .data-table tr { padding: 0.75rem 1rem; background: var(--surface); border-radius: var(--radius-panel); box-shadow: 0 1px 2px oklch(0 0 0 / 0.05); }
  .data-table td { display: grid; grid-template-columns: minmax(7rem, 0.8fr) minmax(0, 1fr); gap: 1rem; padding: 0.55rem 0; border: 0; }
  .data-table td::before { content: attr(data-label); color: var(--muted); font-size: 0.8125rem; font-weight: 650; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
}

@media (forced-colors: active) {
  :focus-visible { outline-color: Highlight; }
}