:root {
  --bg: #f6f7f6; --surface: #fff; --surface-2: #eef1ef;
  --ink: #131c18; --muted: #4e5a55; --faint: #77837e;
  --rule: #d7ded9; --rule-strong: #b8c3bd;
  --accent: #0f6b4f; --accent-ink: #0b4e3a; --accent-soft: #deebe4;
  --bad: #8e5310; --bad-soft: #f4e9da;
  --radius: 10px;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1412; --surface: #161d1a; --surface-2: #1d2622;
    --ink: #e4eae7; --muted: #9ba8a2; --faint: #78857f;
    --rule: #26312c; --rule-strong: #34423c;
    --accent: #55bc8c; --accent-ink: #7fd3ab; --accent-soft: #14261e;
    --bad: #d9a45c; --bad-soft: #2a2115;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--sans); font-size: 16px; line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
main { max-width: 760px; margin: 0 auto; padding: 0 16px 64px; }

.top {
  max-width: 760px; margin: 0 auto; padding: 20px 16px;
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 12px;
}
.wordmark { font-weight: 700; letter-spacing: -.02em; color: var(--ink); text-decoration: none; font-size: 1.05rem; }
.tagline { font-size: .8rem; color: var(--faint); }

h1 { font-size: clamp(1.4rem, 4.4vw, 1.95rem); line-height: 1.2; letter-spacing: -.02em; margin: 0 0 12px; text-wrap: balance; }
h2 { font-size: 1.05rem; letter-spacing: -.01em; margin: 0 0 12px; }
p { margin: 0 0 12px; }
.lede { color: var(--muted); }
.small { font-size: .92rem; }
.hint { font-size: .82rem; color: var(--faint); margin: 8px 0 0; }
.hint.centered { text-align: center; }
.eyebrow { font-family: var(--mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); margin: 0 0 10px; }
.opt { color: var(--faint); font-weight: 400; font-size: .8em; }

.hero { padding: 12px 4px 20px; }
.card {
  background: var(--surface); border: 1px solid var(--rule);
  border-radius: var(--radius); padding: 22px; margin-bottom: 16px;
}
.card.verdict { border-left: 3px solid var(--accent); }
.card.verdict.bad { border-left-color: var(--bad); background: var(--bad-soft); }
.card.verdict.good { border-left-color: var(--accent); background: var(--accent-soft); }
.card.gate { background: var(--accent-soft); border-color: var(--accent); }
.card.cta { background: var(--surface-2); }

/* form */
.field { margin-bottom: 14px; }
label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: 5px; }
input {
  width: 100%; padding: 11px 12px; font: inherit; font-size: 16px;
  color: var(--ink); background: var(--bg);
  border: 1px solid var(--rule-strong); border-radius: 8px;
}
input:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.row { display: grid; gap: 0 14px; }
@media (min-width: 560px) { .row { grid-template-columns: 1fr 1fr; } }
button, .btn {
  display: inline-block; width: 100%; padding: 12px 18px; margin-top: 4px;
  font: inherit; font-weight: 600; text-align: center; text-decoration: none;
  color: #fff; background: var(--accent); border: 0; border-radius: 8px; cursor: pointer;
}
.btn { width: auto; }
button:hover, .btn:hover { background: var(--accent-ink); }
button:disabled { background: var(--rule-strong); cursor: not-allowed; }
.inline { display: flex; flex-wrap: wrap; gap: 8px; }
.inline input { flex: 1 1 220px; }
.inline button { width: auto; flex: 0 0 auto; margin-top: 0; }

/* engines */
.engines { list-style: none; padding: 0; margin: 0; }
.engines li { display: flex; align-items: center; gap: 9px; padding: 9px 0; border-top: 1px solid var(--rule); flex-wrap: wrap; }
.engines li:first-child { border-top: 0; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--rule-strong); flex: none; }
.dot.on { background: var(--accent); }
.engine-name { font-weight: 600; }
.engine-state { margin-left: auto; font-size: .8rem; color: var(--faint); font-family: var(--mono); }
.pill {
  font-family: var(--mono); font-size: .66rem; letter-spacing: .06em; text-transform: uppercase;
  color: var(--accent-ink); background: var(--accent-soft); border: 1px solid var(--rule);
  padding: 2px 7px; border-radius: 20px;
}

/* stats */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1px; background: var(--rule); border: 1px solid var(--rule); border-radius: var(--radius); overflow: hidden; margin-bottom: 16px; }
.stat { background: var(--surface); padding: 14px 16px; }
.stat-k { font-family: var(--mono); font-size: .66rem; letter-spacing: .09em; text-transform: uppercase; color: var(--faint); margin: 0 0 5px; }
.stat-v { font-size: 1.25rem; font-weight: 700; letter-spacing: -.02em; margin: 0; font-variant-numeric: tabular-nums; }

/* tables */
.scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; min-width: 420px; }
th { font-family: var(--mono); font-size: .66rem; letter-spacing: .08em; text-transform: uppercase; color: var(--faint); text-align: left; padding: 0 10px 8px 0; font-weight: 500; }
td { padding: 9px 10px 9px 0; border-top: 1px solid var(--rule); vertical-align: top; }
.n { text-align: right; font-variant-numeric: tabular-nums; padding-right: 0; }
tr.subject td { background: var(--accent-soft); font-weight: 600; }
td.bad { color: var(--bad); text-align: left; }

/* blind spots */
.blind { list-style: none; padding: 0; margin: 0; }
.blind li { padding: 11px 0; border-top: 1px solid var(--rule); }
.blind li:first-child { border-top: 0; }
.q { display: block; font-weight: 600; }
.why { display: block; font-size: .85rem; color: var(--faint); margin-top: 3px; }

.actions { padding-left: 20px; margin: 0; }
.actions li { margin-bottom: 10px; color: var(--muted); }
.notes { padding-left: 18px; margin: 10px 0 0; }
.notes li { font-size: .88rem; color: var(--muted); margin-bottom: 7px; }

.deflist { margin: 0; }
.deflist dt { font-weight: 600; margin-top: 12px; }
.deflist dt:first-child { margin-top: 0; }
.deflist dd { margin: 3px 0 0; color: var(--muted); font-size: .93rem; }

blockquote.quote { margin: 0 0 12px; padding: 11px 14px; background: var(--surface-2); border-left: 3px solid var(--rule-strong); border-radius: 0 6px 6px 0; }
blockquote.quote.positive { border-left-color: var(--accent); }
blockquote.quote.negative { border-left-color: var(--bad); }
blockquote.quote p { margin: 0 0 6px; font-size: .93rem; }
blockquote.quote cite { font-family: var(--mono); font-size: .72rem; color: var(--faint); font-style: normal; }

/* progress */
.bar { height: 8px; background: var(--surface-2); border-radius: 20px; overflow: hidden; margin: 18px 0 10px; }
.bar-fill { height: 100%; width: 4%; background: var(--accent); border-radius: 20px; transition: width .4s ease; }
.progress { font-family: var(--mono); font-size: .85rem; color: var(--muted); margin: 0; }

.foot { max-width: 760px; margin: 0 auto; padding: 20px 16px 40px; border-top: 1px solid var(--rule); display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: .78rem; color: var(--faint); font-family: var(--mono); }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

/* ---- Keyed ---------------------------------------------------------- */

/* Upload. The whole box is the target: on a phone a 44px button is a miss
   and a full-width drop zone is not. */
.drop {
  position: relative; display: block; text-align: center;
  padding: 34px 18px; border: 2px dashed var(--rule-strong);
  border-radius: var(--radius); background: var(--bg); cursor: pointer;
}
.drop:hover, .drop.over { border-color: var(--accent); background: var(--accent-soft); }
.drop input[type=file] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.drop-title { font-weight: 600; display: block; }
.drop-sub { font-size: .85rem; color: var(--faint); display: block; margin-top: 5px; }
.filename { font-family: var(--mono); font-size: .85rem; color: var(--accent-ink); margin-top: 9px; word-break: break-all; }

/* Confidence. A number alone means nothing at a glance, so it travels with a
   bar and, when it is low, with the reason. */
.conf { display: flex; align-items: center; gap: 8px; min-width: 108px; }
.conf-bar { flex: 1; height: 6px; background: var(--surface-2); border-radius: 20px; overflow: hidden; }
.conf-fill { height: 100%; background: var(--accent); border-radius: 20px; }
.conf-fill.low { background: var(--bad); }
.conf-num { font-family: var(--mono); font-size: .78rem; color: var(--faint); font-variant-numeric: tabular-nums; }

tr.flagged td { background: var(--bad-soft); }
tr.missing td { color: var(--faint); }
.problem { display: block; font-size: .8rem; color: var(--bad); margin-top: 3px; }
.asprinted { display: block; font-family: var(--mono); font-size: .78rem; color: var(--faint); margin-top: 3px; word-break: break-word; }
.value { font-weight: 600; }
.value.empty { font-weight: 400; color: var(--faint); font-style: italic; }

.badge {
  font-family: var(--mono); font-size: .66rem; letter-spacing: .06em;
  text-transform: uppercase; padding: 2px 7px; border-radius: 20px;
  border: 1px solid var(--rule); white-space: nowrap;
}
.badge.review { color: var(--bad); background: var(--bad-soft); }
.badge.ok { color: var(--accent-ink); background: var(--accent-soft); }

.privacy {
  font-size: .88rem; color: var(--muted); background: var(--surface-2);
  border-radius: 8px; padding: 12px 14px; margin: 0 0 16px;
}
.spinner {
  display: inline-block; width: 14px; height: 14px; vertical-align: -2px;
  border: 2px solid rgba(255,255,255,.45); border-top-color: #fff;
  border-radius: 50%; animation: spin .7s linear infinite; margin-right: 8px;
}
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation: none; } }