:root {
  color-scheme: light dark;
  --bg: #f3f4fb; --surface: #fff; --ink: #20233e; --muted: #575c75;
  --accent: #5143a5; --accent-bg: #eae7fc; --line: #d7daea;
  --error: #9a233d; --error-bg: #fbe9ef; --exception: #16624f; --exception-bg: #e0f3eb;
  --ask: #735008; --ask-bg: #fff0cb; --assumption: #4246a0; --assumption-bg: #ebebff;
  --unreviewed: #555e70; --unreviewed-bg: #edf0f5;
  --shadow: 0 8px 30px #25285509, 0 1px 3px #25285508;
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg); color: var(--ink);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #151828; --surface: #20243a; --ink: #f0f0fc; --muted: #b6bdd6;
    --accent: #c6baff; --accent-bg: #353155; --line: #454a64;
    --error: #ffb8c8; --error-bg: #4b293b; --exception: #9de5cb; --exception-bg: #20483f;
    --ask: #f3d08c; --ask-bg: #4a3d24; --assumption: #c4c5ff; --assumption-bg: #353657;
    --unreviewed: #c1c8d8; --unreviewed-bg: #353d50; --shadow: 0 8px 30px #0002;
  }
}
* { box-sizing: border-box; }
body { margin: 0; }
pre { white-space: pre-wrap; overflow-wrap: anywhere; }
button, input, textarea { font: inherit; }
button, a, input, textarea { -webkit-tap-highlight-color: transparent; }
a { color: var(--accent); text-underline-offset: 3px; }
button { cursor: pointer; border: 1px solid var(--line); background: var(--surface); color: var(--ink); border-radius: 10px; padding: .65rem 1rem; transition: background .16s, border-color .16s, box-shadow .16s; }
button:hover { border-color: var(--accent); box-shadow: var(--shadow); }
button:disabled { cursor: default; opacity: .6; box-shadow: none; }
:focus-visible, .finding:focus { outline: 3px solid var(--accent); outline-offset: 4px; }
.skip { position: absolute; left: 1rem; top: -5rem; z-index: 2; background: var(--surface); padding: 1rem; }
.skip:focus { top: 1rem; }
.shell { width: min(1180px, 100% - 64px); margin: auto; }
.masthead { display: flex; justify-content: space-between; align-items: center; padding: 28px 0; border-bottom: 1px solid var(--line); gap: 1rem; }
.brand { display: flex; align-items: center; gap: .65rem; font-weight: 750; text-decoration: none; color: var(--ink); letter-spacing: -.5px; }
.brand-mark { color: var(--accent); font-size: 2rem; line-height: 1; }
.edition, .muted, .fine { color: var(--muted); }
.edition, .fine { font-size: .8rem; }
.intro { padding: 62px 0 48px; display: grid; grid-template-columns: 1.35fr 1fr; gap: 3rem; align-items: center; }
.eyebrow, .small-label { font-size: .68rem; letter-spacing: .15em; font-weight: 750; color: var(--accent); }
h1 { font: 750 clamp(2.5rem, 5.2vw, 4.25rem)/1.07 ui-rounded, -apple-system, BlinkMacSystemFont, sans-serif; letter-spacing: -.045em; margin: .9rem 0 1.25rem; }
h2, h3, h4, p { margin: 0 0 .8rem; }
h2 { font-size: 1.2rem; letter-spacing: -.025em; line-height: 1.3; }
h3 { font-size: 1.05rem; } h4 { font-size: .9rem; }
.lead { max-width: 34rem; color: var(--muted); font-size: 1.03rem; }
.intro-note { border: 1px solid var(--line); border-radius: 20px; padding: 26px; background: var(--surface); box-shadow: var(--shadow); }
.intro-note p { font-size: 1.05rem; margin: 1rem 0; }
.note-cell { display: flex; gap: 1rem; border-left: 3px solid var(--exception); color: var(--exception); background: var(--exception-bg); padding: .65rem; border-radius: 4px 10px 10px 4px; font: .85rem/1.5 ui-monospace, monospace; }
.note-cell span { font: .8rem/1.5 -apple-system, BlinkMacSystemFont, sans-serif; }
.section-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; }
.pill { font-size: .73rem; color: var(--accent); background: var(--accent-bg); padding: .25rem .65rem; border-radius: 100px; white-space: nowrap; }
.samples > .muted { font-size: .85rem; }
.sample-buttons { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 20px 0 32px; }
.sample-button { text-align: left; padding: 20px; box-shadow: var(--shadow); }
.sample-button strong, .sample-button span, .sample-button small { display: block; }
.sample-button span { font-size: .8rem; color: var(--muted); margin: 5px 0 18px; }
.sample-button small { color: var(--accent); font-size: .76rem; }
.sample-button[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-bg); }
.upload-panel { border: 1px solid var(--line); border-radius: 18px; display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; padding: 28px; background: var(--surface); box-shadow: var(--shadow); }
.upload-panel .muted { font-size: .85rem; }
label { display: block; font-weight: 650; font-size: .8rem; margin: 0 0 6px; }
input, textarea { display: block; width: 100%; min-width: 0; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); color: var(--ink); padding: 10px; }
input[type="file"] { font-size: .8rem; margin-bottom: 18px; }
input::file-selector-button { border: 0; border-radius: 5px; padding: .4rem; margin-right: .5rem; background: var(--accent-bg); color: var(--accent); }
input[aria-invalid="true"] { border-color: var(--error); }
.primary { background: var(--accent); color: var(--surface); border-color: var(--accent); font-weight: 700; display: flex; justify-content: space-between; width: 100%; }
@media (prefers-color-scheme: dark) { .primary { color: #20233e; } }
#form-error { font-size: .85rem; color: var(--error); margin: .8rem 0 0; }
.progress { color: var(--accent); font-size: .9rem; min-height: 1.6rem; margin: 20px 0; }
.results { scroll-margin-top: 20px; }
.report { padding: 32px 0; border-top: 1px solid var(--line); }
.source-label { font-size: .76rem; color: var(--accent); }
.report-headline { font-size: clamp(1.5rem, 3vw, 2.15rem); max-width: 43rem; margin: 14px 0; }
.top-question { max-width: 44rem; font-size: .95rem; color: var(--muted); }
.cost { font: .8rem/1.5 ui-monospace, monospace; }
.report-actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 8px; }
.report-actions button { font-size: .8rem; }
.results-layout { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.6fr); gap: 32px; margin-top: 36px; align-items: start; }
.maps { padding: 20px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); box-shadow: var(--shadow); }
.legend { list-style: none; margin: 16px 0 24px; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.legend li { font-size: .7rem; border-radius: 5px; padding: 3px 7px; }
.error { --verdict: var(--error); --verdict-bg: var(--error-bg); }
.exception { --verdict: var(--exception); --verdict-bg: var(--exception-bg); }
.ask { --verdict: var(--ask); --verdict-bg: var(--ask-bg); }
.assumption { --verdict: var(--assumption); --verdict-bg: var(--assumption-bg); }
.unreviewed { --verdict: var(--unreviewed); --verdict-bg: var(--unreviewed-bg); }
.badge, .legend li { background: var(--verdict-bg); color: var(--verdict); }
.sheet-map { margin-top: 24px; }
.cell-map { table-layout: fixed; border-collapse: separate; border-spacing: 3px; width: 100%; }
.cell-map caption { text-align: left; font-size: .68rem; overflow-wrap: anywhere; padding-bottom: 6px; }
.cell-map th { font: .65rem ui-monospace, monospace; color: var(--muted); height: 20px; }
.cell-map th:first-child { width: 23px; }
.cell-map td { padding: 0; }
.map-cell { width: 100%; min-height: 26px; padding: 0; font: 750 .8rem/1.4 ui-monospace, monospace; border-radius: 4px; background: var(--verdict-bg); color: var(--verdict); border: 1px solid var(--verdict-bg); }
.map-cell.neutral { background: var(--bg); color: var(--muted); border-color: var(--line); }
.map-nav { display: flex; flex-wrap: wrap; gap: 5px; margin: 8px 0; }
.map-nav button { font-size: .7rem; padding: 4px 8px; }
.list-title { margin-bottom: 16px; }
.finding { border: 1px solid var(--line); border-left: 4px solid var(--verdict); border-radius: 14px; padding: 24px; margin-bottom: 20px; background: var(--surface); box-shadow: var(--shadow); overflow-wrap: anywhere; scroll-margin: 20px; }
.finding-head { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.finding-head h3 { margin: 0; font: 650 1rem ui-monospace, monospace; }
.finding-index { color: var(--muted); font: .7rem ui-monospace, monospace; }
.badge { font-size: .68rem; font-weight: 700; padding: 4px 8px; border-radius: 6px; }
.reason { font-size: .94rem; }
.engine-evidence { display: grid; grid-template-columns: 1fr 1.7fr; gap: 12px 18px; font-size: .8rem; padding: 18px 0; margin: 16px 0 8px; border-block: 1px solid var(--line); }
dt { color: var(--muted); } dd { margin: 0; min-width: 0; } code { font: .78rem/1.6 ui-monospace, SFMono-Regular, Consolas, monospace; white-space: pre-wrap; overflow-wrap: anywhere; }
.quotes { background: var(--bg); border-radius: 10px; padding: 16px; margin-top: 18px; }
figure { margin: 0 0 12px; } figure:last-child { margin: 0; }
blockquote { margin: 0 0 6px; font-size: .85rem; white-space: pre-wrap; }
figcaption { color: var(--muted); font: .7rem ui-monospace, monospace; }
.question, .fix, .grounding-note { margin: 16px 0 0; font-size: .85rem; }
.grounding-note { color: var(--ask); font-weight: 650; }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: .75rem; padding: 28px 0 42px; }
@media (max-width: 760px) {
  .shell { width: calc(100% - 32px); }
  .masthead { padding: 20px 0; } .edition { display: none; }
  .intro { grid-template-columns: 1fr; padding: 36px 0 28px; gap: 18px; }
  .intro-note { padding: 20px; } .intro-note p { font-size: .95rem; }
  .sample-buttons { grid-template-columns: 1fr; gap: 10px; }
  .sample-button { padding: 16px; } .sample-button span { margin-bottom: 8px; }
  .section-heading { flex-wrap: wrap; gap: 0; margin-bottom: 12px; }
  .upload-panel { grid-template-columns: 1fr; padding: 20px; gap: 18px; }
  .results-layout { grid-template-columns: 1fr; gap: 24px; }
  .finding { padding: 18px; } .engine-evidence { grid-template-columns: 1fr; gap: 4px; }
  .engine-evidence dd { margin-bottom: 10px; }
  .maps { padding: 16px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; } }