:root {
  color-scheme: light;
  --ink: #15231f;
  --muted: #5e6b67;
  --paper: #f6f3eb;
  --panel: #fffdf8;
  --line: #d8d6cb;
  --green: #155f4a;
  --green-soft: #dcece5;
  --amber: #a45b11;
  --amber-soft: #fff0d8;
  --red: #a73d35;
  --red-soft: #f8e2df;
  --blue: #235b78;
  --shadow: 0 18px 50px rgba(33, 43, 39, 0.08);
  font-family: Inter, ui-sans-serif, system-ui, -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, textarea { font: inherit; }
a { color: var(--blue); text-underline-offset: 0.18em; }
code { border: 1px solid #ded9ca; border-radius: 0.35rem; background: #f4efe3; padding: 0.08rem 0.3rem; color: #503f23; }

.hero {
  padding: 5rem max(1.25rem, calc((100vw - 1120px) / 2));
  background: radial-gradient(circle at 85% 25%, rgba(233, 190, 104, 0.32), transparent 24%), linear-gradient(135deg, #143e34, #0d2b24);
  color: #f9f7ef;
}
.eyebrow, .step { margin: 0 0 0.45rem; color: #b9d6cc; font-size: 0.74rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; }
.hero h1 { max-width: 780px; margin: 0; font-family: Georgia, serif; font-size: clamp(2.5rem, 7vw, 5.7rem); line-height: 0.97; letter-spacing: -0.045em; }
.lede { max-width: 760px; margin: 1.5rem 0; color: #dce9e4; font-size: clamp(1.05rem, 2vw, 1.3rem); }
.trust-row { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.trust-row span { border: 1px solid rgba(255,255,255,0.25); border-radius: 999px; padding: 0.4rem 0.7rem; background: rgba(255,255,255,0.07); font-size: 0.86rem; }

main { width: min(1120px, calc(100% - 2rem)); margin: -2rem auto 4rem; position: relative; }
.panel { border: 1px solid var(--line); border-radius: 1rem; background: var(--panel); box-shadow: var(--shadow); }
.intro { display: grid; grid-template-columns: minmax(230px, 0.8fr) 1.4fr; gap: 2rem; padding: 1.6rem; }
.intro h2, .input-card h2, .table-card h2, .limits h2, .sources h2 { margin: 0; font-family: Georgia, serif; line-height: 1.1; }
.intro .step, .input-card .step, .table-card .step, .limits .step, .sources .step { color: var(--green); }
.intro p:last-child { margin: 0; align-self: center; color: var(--muted); }

.worksheet { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin: 1rem 0; }
.input-card { padding: 1.4rem; }
.input-card--wide, .actions { grid-column: 1 / -1; }
.input-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.required, .optional { border-radius: 999px; padding: 0.25rem 0.55rem; white-space: nowrap; font-size: 0.72rem; font-weight: 800; }
.required { background: var(--green-soft); color: var(--green); }
.optional { background: #eeece3; color: #5d5a51; }
label { display: block; margin-bottom: 0.55rem; font-weight: 720; }
textarea { width: 100%; min-height: 8rem; resize: vertical; border: 1px solid #bcbcaf; border-radius: 0.65rem; background: #fff; padding: 0.85rem; color: var(--ink); font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.9rem; }
textarea:focus, button:focus-visible, .table-scroll:focus-visible { outline: 3px solid rgba(30, 121, 91, 0.27); outline-offset: 2px; border-color: var(--green); }
.help { margin: 0.6rem 0 0; color: var(--muted); font-size: 0.84rem; }
.actions { display: flex; flex-wrap: wrap; gap: 0.7rem; padding: 0.4rem 0 1rem; }
button { cursor: pointer; border: 1px solid transparent; border-radius: 0.6rem; padding: 0.72rem 1rem; font-weight: 800; }
.primary { background: var(--green); color: white; }
.secondary { border-color: var(--green); background: transparent; color: var(--green); }
.quiet { background: transparent; color: var(--muted); }
button:hover { transform: translateY(-1px); }

.results { margin: 1rem 0; }
.stale-notice { border: 1px solid #d9aaa4; border-left: 0.55rem solid var(--red); border-radius: 0.75rem; background: var(--red-soft); padding: 0.85rem 1rem; font-weight: 760; }
.results[aria-invalid="true"] .status, .results[aria-invalid="true"] .summary-grid, .results[aria-invalid="true"] .detail-grid { opacity: 0.48; }
.status { display: grid; grid-template-columns: minmax(200px, 0.55fr) 1.45fr; gap: 1rem; align-items: center; border: 1px solid #c9c4b5; border-left: 0.55rem solid var(--amber); border-radius: 0.75rem; background: var(--amber-soft); padding: 1rem; }
.status strong { font-family: Georgia, serif; font-size: 1.3rem; }
.status span { color: #62533c; }
.status--complete_for_declared_scope { border-left-color: var(--green); background: var(--green-soft); }
.status--complete_for_declared_scope span { color: #31584a; }
.status--unknown_configuration, .status--unknown_inputs_present { border-left-color: var(--red); background: var(--red-soft); }
.issues { margin-top: 1rem; padding: 1.2rem; border-color: #d9aaa4; box-shadow: none; }
.issues h3 { margin-top: 0; }
.issues li + li { margin-top: 0.35rem; }
.summary-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 0.7rem; margin: 1rem 0; }
.summary-card { border: 1px solid var(--line); border-radius: 0.75rem; background: var(--panel); padding: 1rem; }
.summary-card strong, .summary-card span, .summary-card small { display: block; }
.summary-card strong { font-family: Georgia, serif; font-size: 2rem; line-height: 1; }
.summary-card span { margin: 0.35rem 0; font-weight: 800; }
.summary-card small { color: var(--muted); line-height: 1.3; }
.detail-grid { display: grid; gap: 1rem; }
.table-card { overflow: hidden; box-shadow: none; }
.table-heading { display: flex; justify-content: space-between; gap: 1rem; align-items: end; padding: 1.2rem; }
.table-heading > p { max-width: 320px; margin: 0; color: var(--muted); font-size: 0.9rem; text-align: right; }
.table-scroll { overflow-x: auto; border-top: 1px solid var(--line); }
table { width: 100%; border-collapse: collapse; min-width: 660px; }
th, td { padding: 0.8rem 1rem; border-bottom: 1px solid #e9e6dc; text-align: left; vertical-align: top; }
th { background: #f2eee4; color: #4e5b56; font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase; }
td { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.87rem; }
.empty-row { color: var(--muted); font-family: inherit; font-style: italic; }
.limits, .sources { display: grid; grid-template-columns: minmax(220px, 0.65fr) 1.35fr; gap: 2rem; margin-top: 1rem; padding: 1.5rem; box-shadow: none; }
.limits ul, .sources ul { margin: 0; padding-left: 1.2rem; }
.limits li + li, .sources li + li { margin-top: 0.55rem; }
.sources > p { margin-top: 0; color: var(--muted); }
.source-note { grid-column: 2; font-size: 0.88rem; }
footer { padding: 1.3rem; background: #0d2b24; color: #c9ddd5; text-align: center; }

@media (max-width: 850px) {
  .worksheet, .intro, .limits, .sources { grid-template-columns: 1fr; }
  .input-card--wide, .actions { grid-column: auto; }
  .summary-grid { grid-template-columns: repeat(3, 1fr); }
  .source-note { grid-column: auto; }
}

@media (max-width: 560px) {
  .hero { padding-top: 3.5rem; padding-bottom: 4rem; }
  main { width: min(100% - 1rem, 1120px); }
  .intro, .input-card, .limits, .sources { padding: 1rem; }
  .input-heading, .table-heading, .status { display: block; }
  .required, .optional { display: inline-block; margin-top: 0.6rem; }
  .table-heading > p { margin-top: 0.6rem; text-align: left; }
  .summary-grid { grid-template-columns: repeat(2, 1fr); }
  .actions button { width: 100%; }
}