/* Mutually Assured AI Modelling: light only, soft pastel page, white surfaces for data. Same family as Act of God & Co. */
:root {
  color-scheme: light;
  --page: #f7faf9;            /* cool cream */
  --surface: #ffffff;
  --surface-2: #eef6f5;       /* mint wash */
  --ink: #23292e;
  --ink-2: #536068;
  --muted: #84909a;
  --grid: #e6eeee;
  --axis: #cbd8da;
  --border: rgba(30, 80, 90, 0.14);
  --accent: #0e7490;          /* deep teal; 5.4:1 on white */
  --accent-wash: #e3f3f6;
  --mint: #e3f6ee; --sky: #e5f0fc; --lavender: #efe8fc; --butter: #fdf5d8; --blush: #fde8ef; --peach: #feeee2;
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100; --s7: #6250d6;
  --good: #0ca30c; --good-text: #006300; --warning: #fab219; --warning-text: #8a5a00; --critical: #d03b3b; --critical-text: #a32020;
  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: ui-monospace, "Cascadia Mono", Consolas, monospace;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--page); color: var(--ink); font: 16px/1.6 var(--sans); overflow-x: clip; }
a { color: var(--accent); text-underline-offset: 2px; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -0.01em; line-height: 1.15; }
h2 { font-size: 30px; margin: 0 0 10px; }
h3 { font-size: 19px; margin: 0 0 8px; }
.kicker { font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); font-weight: 600; margin: 0 0 6px; }
.hint { color: var(--ink-2); font-size: 14px; }
.num { font-variant-numeric: tabular-nums; }

.masthead { border-bottom: 1px solid var(--border); background: linear-gradient(90deg, var(--mint), var(--sky) 50%, var(--lavender)); }
.masthead .inner { max-width: 1200px; margin: 0 auto; padding: 12px 16px; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.brand { font-family: var(--serif); font-size: 21px; font-weight: 600; color: var(--ink); text-decoration: none; }
.brand span { color: var(--accent); }
.masthead nav { display: flex; gap: 14px; flex-wrap: wrap; font-size: 14px; margin-left: auto; }
.masthead nav a { color: var(--ink-2); text-decoration: none; }
.masthead nav a:hover { color: var(--accent); }

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.hero { padding: 40px 0 8px; max-width: 820px; }
.hero h1 { font-size: clamp(32px, 5vw, 50px); margin: 0 0 14px; }
.hero .dek { font-size: 19px; color: var(--ink-2); margin: 0 0 18px; }
.toy { background: var(--butter); border: 1px solid #ecdca0; border-radius: 10px; padding: 12px 16px; font-size: 15px; max-width: 820px; }
.toy b { font-family: var(--serif); font-size: 17px; }

section.chapter { padding: 40px 0 8px; border-top: 1px solid var(--border); margin-top: 32px; }
section.chapter > p { max-width: 760px; }

/* lever board */
.presets { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0 18px; align-items: center; }
.presets button, .tabs button {
  font: inherit; font-size: 14px; border: 1px solid var(--border); background: var(--surface); color: var(--ink);
  padding: 6px 14px; border-radius: 999px; cursor: pointer;
}
.presets button[aria-pressed="true"], .tabs button[aria-selected="true"] { background: var(--accent); color: #fff; border-color: var(--accent); }
.presets.scale-toggle { margin: 4px 0 10px; gap: 6px; }
.presets.scale-toggle button { font-size: 13px; padding: 4px 12px; }
.board { display: grid; grid-template-columns: minmax(0, 380px) minmax(0, 1fr); gap: 24px; align-items: start; }
.levers { display: flex; flex-direction: column; gap: 14px; }
.levers fieldset { border: 1px solid var(--border); border-radius: 12px; background: var(--surface); padding: 10px 14px 12px; margin: 0; }
.levers legend { font-family: var(--serif); font-weight: 600; font-size: 17px; padding: 0 6px; }
.levers legend i { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 6px; vertical-align: 1px; }
.lever { display: grid; grid-template-columns: 1fr auto; gap: 0 10px; align-items: baseline; margin-top: 8px; }
.lever label { font-size: 14px; color: var(--ink); }
.lever output { font-size: 14px; font-variant-numeric: tabular-nums; color: var(--ink); font-weight: 600; }
.lever input[type=range] { grid-column: 1 / -1; width: 100%; accent-color: var(--accent); margin: 2px 0 0; }
.lever details { grid-column: 1 / -1; font-size: 12.5px; color: var(--ink-2); }
.chart-note { font-size: 13px; color: var(--ink-2); margin: 10px 0 0; line-height: 1.5; }
.lever-note { grid-column: 1 / -1; font-size: 12.5px; color: var(--ink-2); margin: 0 0 2px; }
.lever summary { cursor: pointer; color: var(--muted); list-style: none; }
.lever summary::-webkit-details-marker { display: none; }
.lever summary::before { content: "ⓘ why this value"; }
.lever details[open] summary::before { content: "ⓘ hide"; }
.chip { display: inline-block; font-size: 11.5px; padding: 0 7px; border-radius: 999px; background: var(--surface-2); color: var(--accent); text-decoration: none; margin: 2px 4px 0 0; }

.results { position: sticky; top: 12px; display: flex; flex-direction: column; gap: 16px; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; }
.tile { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 10px 14px; }
.tile .label { font-size: 12.5px; color: var(--ink-2); }
.tile .value { font-family: var(--serif); font-size: 28px; font-weight: 600; line-height: 1.2; font-variant-numeric: tabular-nums; }
.tile .sub { font-size: 12.5px; color: var(--muted); }
.status { font-size: 12.5px; font-weight: 600; }
.status.good { color: var(--good-text); } .status.warn { color: var(--warning-text); } .status.bad { color: var(--critical-text); }
.status::before { margin-right: 4px; }
.status.good::before { content: "●"; color: var(--good); } .status.warn::before { content: "▲"; color: var(--warning); } .status.bad::before { content: "■"; color: var(--critical); }

figure.chart { margin: 0; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px 10px; position: relative; }
figure.chart .title { font-family: var(--serif); font-weight: 600; font-size: 17px; }
figure.chart .sub { font-size: 13px; color: var(--ink-2); margin-bottom: 6px; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 13px; color: var(--ink-2); margin: 4px 0; }
.legend i { display: inline-block; width: 14px; height: 3px; border-radius: 2px; vertical-align: 3px; margin-right: 5px; }
.legend i.dash { background: repeating-linear-gradient(90deg, var(--ink-2) 0 4px, transparent 4px 7px); height: 2px; }
svg text { font: 12px var(--sans); fill: var(--ink-2); }
.tooltip { position: absolute; pointer-events: none; background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
  box-shadow: 0 4px 14px rgba(20, 50, 60, 0.12); padding: 6px 10px; font-size: 13px; white-space: nowrap; display: none; z-index: 2; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; }
.card h3 small { font-family: var(--sans); font-weight: 400; font-size: 13px; color: var(--ink-2); }
dl.kv { display: grid; grid-template-columns: 1fr auto; gap: 3px 12px; margin: 0; font-size: 14px; }
dl.kv dt { color: var(--ink-2); }
dl.kv dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
dl.kv .total { font-weight: 600; color: var(--ink); }

.table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { padding: 7px 12px; border-bottom: 1px solid var(--grid); text-align: left; vertical-align: top; }
th { font-size: 12.5px; color: var(--ink-2); font-weight: 600; background: var(--surface-2); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr:last-child td { border-bottom: none; }
tr.muted td { color: var(--muted); }
.verdict { font-weight: 600; white-space: nowrap; }
.verdict.Fail { color: var(--critical-text); } .verdict.Pass { color: var(--good-text); } .verdict.Plausible { color: var(--warning-text); }

.bond-inputs { display: flex; gap: 16px; flex-wrap: wrap; align-items: end; margin: 8px 0 14px; }
.bond-inputs label { font-size: 14px; display: flex; flex-direction: column; gap: 3px; }
.bond-inputs input { font: inherit; width: 110px; padding: 5px 8px; border: 1px solid var(--border); border-radius: 8px; }

.findings { max-width: 820px; padding-left: 20px; }
.findings li { margin-bottom: 8px; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0 14px; }
.tabs { display: flex; gap: 8px; flex-wrap: wrap; }
.src { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 12px 16px; margin-bottom: 10px; }
.src h4 { margin: 0 0 4px; font-size: 15px; }
.src .meta { font-size: 12.5px; color: var(--muted); }
.src p { margin: 6px 0; font-size: 14px; }
.badge { display: inline-block; font-size: 11.5px; padding: 0 8px; border-radius: 999px; margin-right: 6px; font-weight: 600; }
.badge.verified { background: var(--mint); color: var(--good-text); }
.badge.secondary { background: var(--sky); color: #1f5aa6; }
.badge.unverified { background: var(--blush); color: var(--critical-text); }
.badge.confirmed { background: var(--mint); color: var(--good-text); }
.badge.corrected { background: var(--butter); color: var(--warning-text); }
.badge.re-fitted { background: var(--sky); color: #1f5aa6; }
.badge.lens { background: var(--lavender); color: #4b3aa8; font-weight: 500; }
#sources h3, #frequency h3 { margin: 22px 0 8px; }
.chains { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; }
.chain-total { margin-top: 8px; font-size: 14px; color: var(--ink-2); }
.steps { max-width: 760px; padding-left: 20px; }
.steps li { margin-bottom: 8px; }
#legal-levers { max-width: 520px; display: block; }
#legal-table button, #carrier-table button { font: inherit; font-size: 13px; border: 1px solid var(--border); background: var(--surface); color: var(--ink);
  padding: 3px 10px; border-radius: 999px; cursor: pointer; }
#carrier-traits td { font-size: 13px; vertical-align: top; }
#legal-table tr.on td { background: color-mix(in srgb, var(--accent) 12%, transparent); }
details.more > summary { cursor: pointer; color: var(--accent); margin: 10px 0; }

footer { border-top: 1px solid var(--border); margin-top: 48px; padding: 20px 0 40px; font-size: 13px; color: var(--ink-2); }

@media (max-width: 900px) {
  .board { grid-template-columns: minmax(0, 1fr); }
  .results { position: static; }
}
svg text.halo { paint-order: stroke; stroke: var(--surface); stroke-width: 4px; stroke-linejoin: round; fill: var(--ink-2); }
.us-line { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.us-line select { font: inherit; padding: 0.25rem 0.5rem; border: 1px solid var(--border); border-radius: 6px; background: var(--surface); color: inherit; max-width: 100%; }