:root {
  color-scheme: light;
  --ink: #172033;
  --muted: #566077;
  --paper: #f5f7fb;
  --surface: #ffffff;
  --line: #cbd2df;
  --navy: #173b65;
  --blue: #0a5bd8;
  --blue-dark: #06449f;
  --green: #12633c;
  --green-bg: #e8f7ee;
  --amber: #795300;
  --amber-bg: #fff4cf;
  --red: #a12424;
  --red-bg: #fff0f0;
  --focus: #ffbf47;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); line-height: 1.55; }
button, input, textarea { font: inherit; }
a { color: var(--blue-dark); }
.site-header, main, footer { width: min(1180px, calc(100% - 32px)); margin-inline: auto; }
.site-header { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; padding: 42px 0 26px; }
h1, h2 { line-height: 1.12; margin: 0; color: #102b4c; }
h1 { font-size: clamp(2.3rem, 7vw, 4.8rem); letter-spacing: -.055em; }
h2 { font-size: clamp(1.3rem, 3vw, 1.9rem); }
p { margin: .65rem 0 0; }
.eyebrow { margin: 0 0 8px; color: var(--blue-dark); font-size: .77rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.lede { max-width: 650px; color: var(--muted); font-size: 1.12rem; }
.test-link, .button-link { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; border: 2px solid var(--navy); border-radius: 8px; padding: 9px 15px; background: var(--surface); color: var(--navy); font-weight: 800; text-decoration: none; }
.privacy-banner { display: flex; gap: 12px 24px; flex-wrap: wrap; border: 1px solid #9fc4ed; border-radius: 10px; padding: 14px 18px; background: #eaf4ff; color: #16395f; }
.workspace { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(300px, .75fr); gap: 18px; margin-top: 18px; }
.panel, .results, .offer, .limitations, .test-shell { border: 1px solid var(--line); border-radius: 12px; background: var(--surface); box-shadow: 0 7px 24px rgba(25, 50, 85, .06); }
.panel { padding: 24px; }
label { display: block; margin-top: 20px; font-weight: 750; }
input[type="file"], textarea { width: 100%; margin-top: 8px; border: 1px solid #8995aa; border-radius: 7px; padding: 11px; background: #fff; color: var(--ink); }
textarea { min-height: 178px; resize: vertical; font: .92rem ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.or { margin: 14px 0 -5px; color: var(--muted); font-size: .82rem; font-weight: 800; text-align: center; text-transform: uppercase; }
.check-row { display: flex; gap: 12px; border: 1px solid var(--line); border-radius: 9px; padding: 14px; cursor: pointer; }
.check-row.caution { border-color: #d4b96b; background: #fffaf0; }
.check-row input { width: 20px; height: 20px; margin: 2px 0 0; flex: 0 0 auto; }
.check-row small { display: block; margin-top: 4px; color: var(--muted); font-weight: 500; }
.limit-note, .fine-print, .metadata { color: var(--muted); font-size: .88rem; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; }
.primary-actions { margin-top: 22px; }
button { min-height: 44px; border: 2px solid transparent; border-radius: 8px; padding: 9px 16px; font-weight: 800; cursor: pointer; }
button.primary, .button-link { background: var(--blue); color: white; border-color: var(--blue); }
button.primary:hover, .button-link:hover { background: var(--blue-dark); border-color: var(--blue-dark); }
button.secondary { background: white; color: var(--navy); border-color: var(--navy); }
button:disabled { cursor: not-allowed; opacity: .47; }
:focus-visible { outline: 4px solid var(--focus); outline-offset: 3px; }
.status { min-height: 48px; border-radius: 8px; padding: 11px 13px; font-weight: 700; }
.status.neutral { background: #edf1f7; color: #36445a; }
.status.success { background: var(--green-bg); color: var(--green); }
.status.error { background: var(--red-bg); color: var(--red); }
.results { margin-top: 18px; padding: 24px; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; }
.summary-grid { display: grid; grid-template-columns: repeat(9, minmax(100px, 1fr)); gap: 9px; margin: 20px 0; }
.summary-card { border: 1px solid var(--line); border-radius: 8px; padding: 12px; background: #f8faff; }
.summary-card strong { display: block; color: var(--navy); font-size: 1.6rem; line-height: 1; }
.summary-card span { display: block; margin-top: 7px; color: var(--muted); font-size: .75rem; font-weight: 700; }
.table-wrap { max-height: 430px; overflow: auto; border: 1px solid var(--line); border-radius: 8px; }
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
caption { padding: 10px; color: var(--muted); text-align: left; }
th { position: sticky; top: 0; background: #e9eef7; color: #20395a; text-align: left; }
th, td { border-bottom: 1px solid var(--line); padding: 10px 12px; white-space: nowrap; }
.row-error { background: var(--red-bg); }
.row-warning { background: var(--amber-bg); }
.row-ok { background: #fbfdfc; }
.download-actions { margin-top: 18px; }
.offer { display: grid; grid-template-columns: 1.4fr .6fr; gap: 24px; margin-top: 18px; padding: 24px; border-color: #99acd0; background: #f0f5ff; }
.offer-action { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; }
.offer-action strong { color: #6e3510; font-size: .85rem; }
.limitations { margin-top: 18px; padding: 22px 24px; }
footer { padding: 24px 0 40px; color: var(--muted); font-size: .85rem; }
.test-page main { width: min(900px, calc(100% - 32px)); margin-inline: auto; }
.test-shell { padding: 24px; }
.test-summary { padding: 12px; border-radius: 8px; font-weight: 800; }
.test-summary.pass { background: var(--green-bg); color: var(--green); }
.test-summary.fail { background: var(--red-bg); color: var(--red); }
.test-results { padding-left: 28px; }
.test-results li { margin: 7px 0; padding: 7px; }
.result-pass { color: var(--green); }
.result-fail { color: var(--red); background: var(--red-bg); }
.test-results pre { white-space: pre-wrap; }

@media (max-width: 980px) {
  .summary-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 800px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  .workspace, .offer { grid-template-columns: 1fr; }
  .section-heading { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 520px) {
  .site-header, main, footer, .test-page main { width: min(100% - 20px, 1180px); }
  .panel, .results, .offer, .limitations { padding: 17px; }
  .summary-grid { grid-template-columns: repeat(2, 1fr); }
  .actions button, .button-link { width: 100%; }
}