:root {
  --ink: #142328;
  --ink-soft: #516066;
  --paper: #f3f5f2;
  --surface: #ffffff;
  --line: #d8dfdb;
  --line-strong: #bcc8c2;
  --mint: #78e6c3;
  --mint-dark: #0f7059;
  --blue: #2559d6;
  --amber: #b76b00;
  --red: #ad343e;
  --shadow: 0 18px 60px rgba(20, 35, 40, 0.08);
  --radius: 18px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--paper); color: var(--ink); font-size: 16px; line-height: 1.5; }
button, input, select { font: inherit; }
button { color: inherit; }
.shell { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.is-hidden { display: none !important; }
.sr-only { position: absolute; left: 0; top: 0; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); clip-path: inset(50%); white-space: nowrap; border: 0; }

.topbar { min-height: 68px; display: flex; align-items: center; justify-content: space-between; padding: 0 max(20px, calc((100vw - 1180px) / 2)); border-bottom: 1px solid var(--line); background: rgba(243,245,242,.9); backdrop-filter: blur(12px); position: sticky; top: 0; z-index: 20; }
.brand { color: var(--ink); text-decoration: none; display: inline-flex; align-items: center; gap: 10px; font-weight: 750; letter-spacing: -.02em; }
.brand-mark { width: 32px; height: 32px; border-radius: 9px; background: var(--ink); display: grid; align-content: center; gap: 3px; padding: 8px; }
.brand-mark i { height: 2px; border-radius: 5px; background: var(--mint); display: block; }
.brand-mark i:nth-child(2) { width: 65%; }
.version { color: var(--ink-soft); font: 700 11px/1 monospace; border: 1px solid var(--line-strong); border-radius: 20px; padding: 4px 6px; letter-spacing: .05em; }
.privacy-pill { font-size: 13px; color: var(--ink-soft); display: inline-flex; align-items: center; gap: 8px; }
.privacy-pill span { color: var(--mint-dark); font-size: 11px; }

.hero { padding: 70px 0 48px; }
.eyebrow, .step-label, .source-label { font: 750 12px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .1em; text-transform: uppercase; color: var(--mint-dark); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(300px, .6fr); gap: 80px; align-items: end; margin-top: 18px; }
h1 { font-size: clamp(3.1rem, 7.8vw, 6.8rem); line-height: .92; letter-spacing: -.07em; margin: 0; font-weight: 760; }
.hero-copy { padding-bottom: 8px; }
.hero-copy > p { font-size: 19px; line-height: 1.45; margin: 0 0 24px; max-width: 420px; }
.seo-intro { padding: 18px 0 34px; max-width: 1180px; }
.seo-intro h2 { max-width: 720px; margin: 8px 0 12px; }
.seo-intro p { max-width: 820px; margin: 8px 0; color: var(--ink-soft); line-height: 1.6; }
.seo-topics { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.seo-topics span { border: 1px solid var(--line); border-radius: 999px; padding: 6px 10px; color: var(--ink-soft); font-size: 12px; }
.trust-list { border-top: 1px solid var(--line-strong); padding-top: 16px; display: flex; flex-direction: column; gap: 7px; color: var(--ink-soft); font-size: 14px; }
.trust-list span::before { content: "✓"; color: var(--mint-dark); font-weight: 800; margin-right: 9px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.hero-actions .button { text-decoration: none; }
.positioning-note { border-left: 3px solid var(--mint); padding-left: 14px; }
.format-note { color: var(--ink-soft); font-size: 13px; line-height: 1.55; margin-top: 18px !important; }
.format-note strong { color: var(--ink); }

.workspace, .results { background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 24px; padding: 30px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
.section-heading h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); letter-spacing: -.04em; line-height: 1.1; margin: 8px 0 0; }
.heading-actions { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.button { border: 1px solid transparent; border-radius: 10px; min-height: 44px; padding: 10px 16px; display: inline-flex; justify-content: center; align-items: center; gap: 12px; cursor: pointer; font-weight: 720; transition: transform .16s ease, box-shadow .16s ease, background .16s ease; }
.button:hover:not(:disabled) { transform: translateY(-1px); }
.button:focus-visible, .dropzone:focus-within, select:focus-visible, input:focus-visible { outline: 3px solid rgba(37,89,214,.24); outline-offset: 2px; }
.button-quiet { background: #fff; border-color: var(--line-strong); }
.button-quiet:hover { background: #f7f9f8; }
.button-primary { background: var(--ink); color: #fff; min-width: 225px; box-shadow: 0 10px 24px rgba(20,35,40,.18); }
.button-primary span { color: var(--mint); font-size: 20px; }
.button:disabled { opacity: .42; cursor: not-allowed; }

.upload-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.upload-card { position: relative; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; overflow: hidden; }
.upload-card.is-ready { border-color: #92cdb9; background: #fbfffd; }
.upload-number { position: absolute; right: 18px; top: 8px; font-size: 64px; line-height: 1; color: #edf1ef; font-weight: 800; letter-spacing: -.08em; user-select: none; }
.upload-card-head { display: flex; justify-content: space-between; gap: 20px; align-items: start; position: relative; }
.upload-card h3 { margin: 6px 0 18px; font-size: 23px; letter-spacing: -.03em; }
.source-label { color: var(--ink-soft); }
.file-state { font-size: 12px; background: #eef1ef; padding: 5px 9px; border-radius: 999px; color: var(--ink-soft); margin-right: 48px; }
.is-ready .file-state { background: #dbf7ed; color: #096049; }
.upload-guidance { position: relative; min-height: 154px; padding: 14px 15px; margin: 0 0 14px; border-radius: 11px; background: #f5f7f5; font-size: 13px; color: var(--ink-soft); }
.upload-guidance h4 { margin: 0 0 9px; color: var(--ink); font-size: 15px; }
.upload-guidance p { margin: 7px 0 0; }
.upload-guidance strong { color: var(--ink); }
.recommended { display: inline-block; margin-left: 5px; color: #07543f; background: #dbf7ed; border-radius: 999px; padding: 2px 7px; font: 700 10px/1.4 ui-monospace, monospace; text-transform: uppercase; }
.file-warning { color: var(--red); font-weight: 750; }
.dropzone { min-height: 180px; border: 1px dashed var(--line-strong); border-radius: 13px; display: flex; flex-direction: column; align-items: center; justify-content: center; cursor: pointer; transition: border-color .16s, background .16s; text-align: center; padding: 24px; }
.dropzone:hover, .dropzone.is-dragging { border-color: var(--blue); background: #f5f8ff; }
.dropzone input { position: absolute; opacity: 0; pointer-events: none; }
.dropzone strong { font-size: 16px; margin-top: 10px; }
.dropzone > span:last-child { color: var(--ink-soft); font-size: 14px; margin-top: 3px; }
.upload-icon { width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 10px; background: white; font-size: 22px; color: var(--blue); }
.file-meta { margin-top: 14px; background: #f5f7f5; border-radius: 11px; padding: 13px 14px; }
.file-title { display: flex; justify-content: space-between; gap: 15px; font-weight: 700; font-size: 14px; }
.file-title button { border: 0; background: none; color: var(--red); cursor: pointer; padding: 0; font-size: 13px; }
.import-review { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line); }
.import-review-head { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 11px; }
.import-review-head h4 { margin: 0 auto 0 0; font-size: 15px; }
.import-review-head button { border: 0; background: none; color: var(--blue); font-size: 12px; font-weight: 750; cursor: pointer; padding: 4px; }
.structure-confidence { border-radius: 999px; padding: 4px 8px; font: 700 10px/1.2 ui-monospace, monospace; }
.confidence-auto { background: #dbf7ed; color: #07543f; }
.confidence-review { background: #fff1d6; color: #855000; }
.confidence-missing { background: #fee8ea; color: #932e37; }
.import-review dl { display: grid; grid-template-columns: 145px minmax(0, 1fr); gap: 6px 12px; margin: 0; font-size: 12px; }
.import-review dt { color: var(--ink-soft); }
.import-review dd { margin: 0; font-weight: 650; overflow-wrap: anywhere; }
.mapping-review { margin-top: 12px; border: 1px solid var(--line); border-radius: 9px; overflow: hidden; background: #fff; }
.mapping-review > div { display: grid; grid-template-columns: minmax(95px, .8fr) 18px minmax(110px, 1fr); gap: 5px; align-items: center; padding: 8px 10px; border-bottom: 1px solid var(--line); font-size: 12px; }
.mapping-review > div:last-child { border-bottom: 0; }
.mapping-review i { color: var(--mint-dark); font-style: normal; }
.mapping-review em { grid-column: 3; color: var(--ink-soft); font: 650 10px/1.2 ui-monospace, monospace; }
.meta-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 14px; margin-top: 11px; font-size: 12px; color: var(--ink-soft); }
.meta-list strong { display: block; color: var(--ink); font-size: 13px; overflow-wrap: anywhere; }
.import-diagnostics { border-top: 1px solid var(--line); margin-top: 13px; padding-top: 10px; }
.import-diagnostics summary { cursor: pointer; color: var(--ink); font-size: 13px; font-weight: 750; }
.import-diagnostics dl { display: grid; grid-template-columns: 145px minmax(0, 1fr); gap: 7px 12px; margin: 12px 0 0; font-size: 12px; }
.import-diagnostics dt { color: var(--ink-soft); }
.import-diagnostics dd { margin: 0; color: var(--ink); overflow-wrap: anywhere; }
.import-diagnostics ul { margin: 0; padding-left: 17px; color: #7b520e; }
.import-diagnostics li + li { margin-top: 3px; }
.mapping-panel { border-top: 1px solid var(--line); margin-top: 16px; padding-top: 15px; }
.mapping-panel h4 { margin: 0 0 4px; font-size: 15px; }
.mapping-panel > p { margin: 0 0 13px; color: var(--ink-soft); font-size: 13px; }
.mapping-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.mapping-grid label { font-size: 12px; font-weight: 700; color: var(--ink-soft); }
.mapping-grid select, .mapping-grid input { display: block; width: 100%; margin-top: 4px; min-height: 38px; border: 1px solid var(--line-strong); border-radius: 8px; background: #fff; padding: 7px 9px; color: var(--ink); }

.alert { border: 1px solid #efc889; background: #fff8e8; color: #6b4307; border-radius: 11px; padding: 13px 15px; margin-top: 18px; font-size: 14px; }
.alert strong { color: #4b2e00; }
.alert-error { border-color: #e6b0b4; background: #fff4f4; color: #7d252d; }
.alert-success { border-color: #a7dccc; background: #f0fcf8; color: #07543f; }
.alert-info { border-color: #b7ced3; background: #f3f9fa; color: #244950; }
.technical-details { margin-top: 10px; font-size: 12px; color: var(--ink-soft); }
.technical-details summary { cursor: pointer; font-weight: 700; }
.technical-details code { color: var(--ink); }
.runbar { border-top: 1px solid var(--line); margin-top: 25px; padding-top: 22px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 28px; }
.runbar p { margin: 0; color: var(--ink-soft); font-size: 13px; }
.runbar p strong { color: var(--ink); }
.run-settings > label { display: block; font-size: 12px; color: var(--ink-soft); font-weight: 700; margin-bottom: 4px; }
.number-control { display: flex; align-items: center; border: 1px solid var(--line-strong); border-radius: 9px; background: #fff; overflow: hidden; }
.number-control span { padding: 0 8px; color: var(--ink-soft); font-size: 13px; }
.number-control input { width: 42px; border: 0; min-height: 38px; text-align: center; font-weight: 700; color: var(--ink); }
.privacy-copy { min-width: 0; }
.text-button { border: 0; background: none; color: var(--blue); padding: 3px 0; font-size: 12px; font-weight: 750; cursor: pointer; }
.support-workflow { display: grid; grid-template-columns: 1fr 1.45fr auto; gap: 18px; align-items: center; margin-top: 22px; padding: 18px; border: 1px solid var(--line); border-radius: 14px; background: #f7f9f8; }
.support-workflow h3 { margin: 4px 0 0; font-size: 17px; }
.support-workflow ol { margin: 0; padding-left: 20px; color: var(--ink-soft); font-size: 13px; }
.support-workflow p { grid-column: 2 / -1; margin: -12px 0 0; color: var(--ink-soft); font-size: 11px; }

.results { margin-top: 24px; }
.results-heading { align-items: center; }
.export-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.summary-grid { display: grid; grid-template-columns: 1.35fr repeat(4, 1fr); border: 1px solid var(--line); border-radius: 15px; overflow: hidden; margin: 22px 0; }
.summary-card { padding: 18px; border-right: 1px solid var(--line); min-height: 104px; display: flex; flex-direction: column; justify-content: space-between; }
.summary-card:last-child { border-right: 0; }
.summary-card span { font: 700 11px/1.2 ui-monospace, monospace; letter-spacing: .07em; color: var(--ink-soft); text-transform: uppercase; }
.summary-card strong { display: block; font-size: 30px; letter-spacing: -.04em; line-height: 1; }
.summary-card.total { background: var(--ink); color: white; }
.summary-card.total span { color: #bdd0ca; }
.table-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin: 12px 0; color: var(--ink-soft); font-size: 13px; }
.legend { display: flex; gap: 16px; flex-wrap: wrap; }
.legend span { display: flex; align-items: center; gap: 6px; }
.dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; background: var(--line-strong); }
.dot.matched { background: #1f9d75; }.dot.review { background: #d58a1b; }.dot.unmatched { background: #c94d58; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; }
table { width: 100%; border-collapse: collapse; min-width: 920px; }
th { background: #f5f7f5; color: var(--ink-soft); font: 700 11px/1.2 ui-monospace, monospace; letter-spacing: .05em; text-transform: uppercase; text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); }
td { padding: 15px 14px; border-bottom: 1px solid var(--line); font-size: 14px; vertical-align: middle; }
tbody tr:last-child td { border-bottom: 0; }
.result-row { cursor: pointer; }
.result-row:hover td { background: #fafcfb; }
.payout-id { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-weight: 700; font-size: 13px; }
.amount { font-variant-numeric: tabular-nums; white-space: nowrap; }
.difference-negative { color: var(--red); font-weight: 700; }
.status-badge { display: inline-flex; align-items: center; border-radius: 999px; padding: 6px 9px; font: 750 11px/1.25 ui-monospace, monospace; max-width: 210px; }
.status-matched { background: #dff7ef; color: #076249; }
.status-shift { background: #e8efff; color: #1d4cad; }
.status-review { background: #fff1d6; color: #855000; }
.status-unmatched, .status-error { background: #fee8ea; color: #932e37; }
.row-toggle { border: 0; background: none; cursor: pointer; font-size: 18px; padding: 6px; transition: transform .15s; }
.result-row[aria-expanded="true"] .row-toggle { transform: rotate(90deg); }
.detail-row td { padding: 0; background: #f7f9f8; }
.detail-grid { padding: 24px; display: grid; grid-template-columns: 1.15fr .85fr 1.1fr; gap: 22px; }
.detail-panel { background: white; border: 1px solid var(--line); border-radius: 12px; padding: 17px; }
.detail-panel h4 { margin: 0 0 13px; font-size: 13px; text-transform: uppercase; letter-spacing: .07em; }
.breakdown { list-style: none; padding: 0; margin: 0; }
.breakdown li { display: flex; justify-content: space-between; gap: 20px; padding: 5px 0; font-size: 14px; }
.breakdown li.total-line { border-top: 1px solid var(--line-strong); margin-top: 7px; padding-top: 11px; font-weight: 800; }
.detail-dl { display: grid; grid-template-columns: auto 1fr; gap: 8px 14px; margin: 0; font-size: 13px; }
.detail-dl dt { color: var(--ink-soft); }.detail-dl dd { margin: 0; font-weight: 650; overflow-wrap: anywhere; }
.explanation-label { display: inline-block; color: var(--mint-dark); font: 750 11px/1.2 ui-monospace, monospace; letter-spacing: .06em; margin-bottom: 8px; }
.detail-panel p { margin: 0; font-size: 14px; color: var(--ink-soft); }
.human-result-title { display: block; margin-bottom: 7px; font-size: 15px; }
.candidate-list { margin: 12px 0 0; padding: 0; list-style: none; }
.candidate-list li { font-size: 12px; padding: 7px 0; border-top: 1px solid var(--line); }

.privacy-footer { display: grid; grid-template-columns: 38px minmax(0, 1fr) minmax(260px, 360px); gap: 16px 22px; align-items: start; padding-block: 38px 60px; color: var(--ink-soft); }
.privacy-footer p { margin: 3px 0 0; max-width: 700px; font-size: 14px; }
.privacy-footer strong { color: var(--ink); }
.privacy-lock { width: 38px; height: 38px; flex: 0 0 auto; display: grid; place-items: center; background: var(--ink); color: var(--mint); border-radius: 10px; font-size: 23px; }
.support-contact { display: grid; gap: 5px; padding-left: 22px; border-left: 1px solid var(--line); }
.support-contact a { width: fit-content; color: var(--blue); font-weight: 750; text-underline-offset: 3px; overflow-wrap: anywhere; }
.support-contact p { font-size: 12px; line-height: 1.45; }
.pilot-faq { padding-top: 26px; }
.faq-list { display: grid; gap: 8px; }
.faq-list details { border-top: 1px solid var(--line); padding: 13px 0; }
.faq-list details:last-child { border-bottom: 1px solid var(--line); }
.faq-list summary { cursor: pointer; color: var(--ink); font-weight: 750; }
.faq-list p { max-width: 760px; margin: 9px 0 0; color: var(--ink-soft); font-size: 13px; line-height: 1.55; }
.faq-list a { color: var(--blue); }
.privacy-dialog { width: min(560px, calc(100% - 28px)); border: 1px solid var(--line); border-radius: 18px; padding: 0; color: var(--ink); box-shadow: 0 24px 80px rgba(20,35,40,.28); }
.privacy-dialog::backdrop { background: rgba(20,35,40,.52); }
.privacy-dialog form { padding: 24px; }
.dialog-head { display: flex; justify-content: space-between; align-items: start; gap: 20px; }
.dialog-head h2 { margin: 0; font-size: 25px; letter-spacing: -.03em; }
.dialog-close { border: 0; background: #eef1ef; width: 34px; height: 34px; border-radius: 50%; cursor: pointer; font-size: 22px; line-height: 1; }
.privacy-dialog ul { margin: 20px 0; padding-left: 22px; }
.privacy-dialog li + li { margin-top: 8px; }
.privacy-dialog p { color: var(--ink-soft); font-size: 13px; }
.privacy-dialog a { color: var(--ink); }
.telemetry-choice { margin: 20px 0; padding: 16px; border: 1px solid var(--line); border-radius: 12px; background: #f7f9f8; }
.telemetry-choice label { display: flex; gap: 10px; align-items: flex-start; cursor: pointer; }
.telemetry-choice input { margin-top: 3px; accent-color: var(--ink); }
.telemetry-choice p { margin: 10px 0 0 26px; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero-copy { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
  .upload-grid { grid-template-columns: 1fr; }
  .runbar { grid-template-columns: auto 1fr; }
  .runbar .button-primary { grid-column: 1 / -1; }
  .support-workflow { grid-template-columns: 1fr 1fr; }
  .support-workflow p { grid-column: 1 / -1; margin-top: 0; }
  .summary-grid { grid-template-columns: repeat(2, 1fr); }
  .summary-card.total { grid-column: 1 / -1; }
  .summary-card { border-bottom: 1px solid var(--line); }
  .detail-grid { grid-template-columns: 1fr; }
  .privacy-footer { grid-template-columns: 38px minmax(0, 1fr); }
  .support-contact { grid-column: 2; padding: 14px 0 0; border-top: 1px solid var(--line); border-left: 0; }
}

@media (max-width: 620px) {
  .shell { width: min(100% - 24px, 1180px); }
  .topbar { padding-inline: 12px; }
  .privacy-pill { display: none; }
  .hero { padding: 46px 0 32px; }
  h1 { font-size: clamp(3rem, 16vw, 4.7rem); }
  .hero-copy { grid-template-columns: 1fr; gap: 8px; }
  .workspace, .results { padding: 20px 14px; border-radius: 18px; }
  .section-heading, .results-heading { align-items: stretch; flex-direction: column; }
  .section-heading .button { align-self: flex-start; }
  .heading-actions { justify-content: flex-start; }
  .upload-card { padding: 18px 14px; }
  .file-state { margin-right: 38px; }
  .mapping-grid { grid-template-columns: 1fr; }
  .import-diagnostics dl { grid-template-columns: 1fr; gap: 2px; }
  .import-diagnostics dd { margin-bottom: 6px; }
  .import-review dl { grid-template-columns: 1fr; gap: 2px; }
  .import-review dd { margin-bottom: 6px; }
  .runbar { grid-template-columns: 1fr; gap: 16px; }
  .runbar .button-primary { grid-column: auto; width: 100%; }
  .run-settings { width: max-content; }
  .support-workflow { grid-template-columns: 1fr; }
  .support-workflow p { grid-column: auto; }
  .privacy-footer { grid-template-columns: 1fr; }
  .privacy-lock { display: none; }
  .support-contact { grid-column: auto; }
  .summary-grid { grid-template-columns: 1fr 1fr; }
  .summary-card { min-height: 92px; }
  .table-toolbar { align-items: start; flex-direction: column; }
  .export-actions { width: 100%; }
  .export-actions .button { flex: 1; font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}