:root {
  --ink: #1b1712;
  --muted: #6b6358;
  --paper: #f4efe6;
  --card: #fffdf8;
  --line: #e4d9c8;
  --pass: #0c6b3d;
  --pass-soft: #e6f5ec;
  --review: #8a5a00;
  --review-soft: #fff3d6;
  --block: #b42318;
  --block-soft: #fde8e6;
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
}

* { box-sizing: border-box; }
body { margin: 0; }
.shell { max-width: 1120px; margin: 0 auto; padding: 40px 20px 64px; }

.hero { padding: 8px 0 20px; }
.eyebrow {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0 0 10px;
  color: var(--muted);
}
.hero h1 {
  font-size: clamp(2.6rem, 8vw, 5rem);
  line-height: 0.92;
  margin: 0 0 16px;
  letter-spacing: -0.04em;
}
.lede { font-size: 1.2rem; max-width: 40rem; margin: 0; color: #3f3a33; }
.lede strong { font-weight: 700; }

.howto {
  list-style: none;
  margin: 0 0 22px;
  padding: 16px 18px;
  display: grid;
  gap: 8px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
}
.howto li {
  display: flex;
  gap: 10px;
  align-items: center;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.92rem;
}
.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex: 0 0 12px;
}
.dot.pass { background: var(--pass); }
.dot.review { background: #d89011; }
.dot.block { background: var(--block); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 10px 28px rgba(40, 28, 12, 0.05);
  padding: 24px;
  margin-top: 18px;
}
.card h2, .decision h2 { margin: 0 0 8px; }
.muted { color: var(--muted); }

.format-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 14px 0 4px; }
.format-row span {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 8px;
  border-radius: 999px;
  background: #efe6d6;
  color: #4a4338;
}

.dropzone {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 16px;
  padding: 32px 24px;
  border: 2px dashed #c8b89a;
  border-radius: 16px;
  cursor: pointer;
  background: #faf6ee;
  text-align: center;
}
.dropzone:hover,
.dropzone.is-over { border-color: var(--ink); background: #fff; }
.dropzone strong { font-size: 1.2rem; }
.dropzone span { color: var(--muted); font-size: 0.95rem; }
input[type=file] { position: absolute; width: 1px; height: 1px; opacity: 0; }
.status {
  min-height: 24px;
  margin: 12px 0 0;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-weight: 600;
}

.results { margin-top: 28px; }
.report-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
  font-family: ui-sans-serif, system-ui, sans-serif;
}
.report-toolbar p { margin: 0; color: var(--muted); }
.report-toolbar .secondary {
  background: var(--ink);
  color: #fffdf8;
  border-color: var(--ink);
}

.decision {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px 20px;
  padding: 24px;
  border-radius: 20px;
  border: 2px solid var(--line);
  background: var(--card);
  align-items: start;
}
.decision-mark {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #ddd;
}
.decision-pass { background: var(--pass-soft); border-color: #8dcfab; }
.decision-pass .decision-mark { background: var(--pass); }
.decision-review { background: var(--review-soft); border-color: #e6c36a; }
.decision-review .decision-mark { background: #d89011; }
.decision-block { background: var(--block-soft); border-color: #f0b2ac; }
.decision-block .decision-mark { background: var(--block); }
.verdict-kicker {
  margin: 0 0 6px;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.decision h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); letter-spacing: -0.03em; }
.decision-copy p:last-child { margin: 0; max-width: 46rem; }

.scoreboard {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.scoreboard div {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 12px;
}
.scoreboard strong { display: block; font-size: 1.8rem; line-height: 1; }
.scoreboard span {
  display: block;
  margin-top: 6px;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.78rem;
  color: var(--muted);
}
.tone-pass { box-shadow: inset 0 -4px 0 var(--pass); }
.tone-review { box-shadow: inset 0 -4px 0 #d89011; }
.tone-block { box-shadow: inset 0 -4px 0 var(--block); }

.lanes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 18px;
}
.lane {
  border-radius: 18px;
  padding: 14px;
  min-height: 180px;
}
.lane header h3 {
  margin: 0;
  font-size: 1.15rem;
  display: flex;
  justify-content: space-between;
  gap: 8px;
}
.lane header em {
  font-style: normal;
  font-family: ui-sans-serif, system-ui, sans-serif;
}
.lane header p {
  margin: 6px 0 12px;
  color: var(--muted);
  font-size: 0.88rem;
}
.lane-block { background: var(--block-soft); }
.lane-review { background: var(--review-soft); }
.lane-pass { background: var(--pass-soft); }
.empty-lane {
  margin: 0;
  padding: 18px;
  text-align: center;
  color: var(--muted);
  background: rgba(255,255,255,0.55);
  border-radius: 12px;
}

.invoice-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 12px;
}
.invoice-card:last-child { margin-bottom: 0; }
.invoice-card header { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 12px; }
.invoice-card h3 { margin: 0; font-size: 1.2rem; }
.meta { margin: 4px 0 0; color: var(--muted); font-size: 0.88rem; }
.badge {
  margin: 0;
  padding: 6px 8px;
  border-radius: 999px;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
}
.status-pass .badge { background: var(--pass-soft); color: var(--pass); }
.status-review .badge { background: var(--review-soft); color: var(--review); }
.status-block .badge { background: var(--block-soft); color: var(--block); }

.math {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  margin: 0 0 12px;
  padding: 10px;
  border-radius: 12px;
  background: #f6f1e7;
  font-family: ui-sans-serif, system-ui, sans-serif;
}
.math-ok { background: var(--pass-soft); }
.math-bad { background: #fceceb; }
.math-box {
  display: flex;
  flex-direction: column;
  min-width: 64px;
  padding: 6px 8px;
  background: #fff;
  border-radius: 8px;
}
.math-box small { color: var(--muted); font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.04em; }
.math-box strong { font-size: 0.95rem; }
.op { font-weight: 700; color: var(--muted); }
.math-mark { font-size: 0.78rem; font-weight: 800; }
.math-ok .math-mark { color: var(--pass); }
.math-bad .math-mark { color: var(--block); }
.math-expected { width: 100%; font-size: 0.8rem; color: var(--block); font-weight: 700; }

.next-action { margin: 0 0 10px; font-weight: 700; }
.ok-line { margin: 0; color: var(--pass); font-weight: 650; }

.issue-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.issue-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px;
  padding: 8px;
  border-radius: 10px;
  background: #faf7f1;
}
.issue-list li span {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 6px;
  border-radius: 999px;
  height: fit-content;
}
.issue-list p { margin: 2px 0 0; color: #4a4338; font-size: 0.9rem; }
.issue-block { background: var(--block-soft); }
.issue-block span { background: #fff; color: var(--block); }
.issue-review { background: var(--review-soft); }
.issue-review span { background: #fff; color: var(--review); }

.extracted pre {
  white-space: pre-wrap;
  background: #f6f1e7;
  border-radius: 12px;
  padding: 14px;
  overflow: auto;
  max-height: 240px;
}

.section-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.secondary {
  border: 1px solid #c8b89a;
  background: #fff;
  border-radius: 10px;
  padding: 10px 14px;
  cursor: pointer;
  font: inherit;
}
.secondary:disabled { opacity: 0.45; cursor: not-allowed; }
.table-wrap { overflow: auto; margin-top: 18px; }
table { border-collapse: collapse; width: 100%; min-width: 720px; }
th, td { text-align: left; padding: 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th {
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 28px;
  color: var(--muted);
  font-size: 0.8rem;
}

@media (max-width: 900px) {
  .lanes { grid-template-columns: 1fr; }
  .scoreboard { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 700px) {
  .shell { padding: 24px 14px 48px; }
  .decision { grid-template-columns: 1fr; }
  .section-head, .report-toolbar, footer { align-items: flex-start; flex-direction: column; }
  .card { padding: 18px; }
}