/* SpaceMiningData site styles. Tokens match the Phase 0 preview (docs/spec.md §9 design). */
:root {
  color-scheme: light;
  --ground: #edefec;
  --surface: #f8f9f7;
  --ink: #15191b;
  --muted: #5b6361;
  --label: #3f4745;
  --rule: #cfd4d0;
  --accent: #b97a00;
  --accent-ink: #7f5400;
  --ok: #2c7349;
  --warn: #9a6008;
  --bad: #a8302a;
  --idle: #737c78;
  --banner: #f3e4c4;
  --rung-0: #dfe2df;
  --rung-1: #d3d4c8;
  --rung-2: #cdc6ae;
  --rung-3: #d2b77f;
  --rung-4: #cfa152;
  --rung-5: #b97a00;
  --rung-6: #7f5400;
  --display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --body: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --ground: #101416; --surface: #171c1f; --ink: #e3e7e4; --muted: #9aa39f; --label: #c5cdc9; --rule: #2b3336;
    --accent: #e3a53a; --accent-ink: #f0c27a; --ok: #6cc08e; --warn: #e0a14a; --bad: #ef7d74; --idle: #8c9591;
    --banner: #3a2f18;
    --rung-0: #23292b; --rung-1: #2f3430; --rung-2: #454334; --rung-3: #6a5a33; --rung-4: #8d6c2c; --rung-5: #c78d24; --rung-6: #f0c27a;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --ground: #101416; --surface: #171c1f; --ink: #e3e7e4; --muted: #9aa39f; --label: #c5cdc9; --rule: #2b3336;
  --accent: #e3a53a; --accent-ink: #f0c27a; --ok: #6cc08e; --warn: #e0a14a; --bad: #ef7d74; --idle: #8c9591;
  --banner: #3a2f18;
  --rung-0: #23292b; --rung-1: #2f3430; --rung-2: #454334; --rung-3: #6a5a33; --rung-4: #8d6c2c; --rung-5: #c78d24; --rung-6: #f0c27a;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--ground); color: var(--ink); font-family: var(--body);
  font-size: 16px; line-height: 1.55; padding-inline: 16px; padding-block: 0 56px;
}
.page { max-width: 1120px; margin-inline: auto; display: grid; gap: 48px; min-width: 0; }
.page > * { min-width: 0; }
a { color: inherit; text-decoration-color: var(--rule); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
p { margin: 0; }
ul, ol { margin: 0; padding-left: 1.2em; }
h1, h2, h3 { font-family: var(--display); text-wrap: balance; margin: 0; }
h1 { font-stretch: 125%; font-size: clamp(28px, 4.4vw, 44px); font-weight: 700; line-height: 1.08; max-width: 24ch; }
h2 { font-stretch: 125%; font-size: 21px; font-weight: 700; line-height: 1.25; }
h3 { font-size: 16px; font-weight: 650; line-height: 1.35; }
.mono, .id, .date, .num { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.muted, .sub { color: var(--muted); }
.none { color: var(--muted); font-style: italic; }

/* Preview banner and site header */
.preview-banner {
  margin-inline: -16px; padding: 8px 16px; background: var(--banner); color: var(--ink);
  font-family: var(--mono); font-size: 12.5px; text-align: center;
}
.site-head {
  max-width: 1120px; margin-inline: auto; display: flex; flex-wrap: wrap; align-items: baseline;
  justify-content: space-between; gap: 10px 24px; padding-block: 18px 16px; margin-bottom: 28px;
  border-bottom: 1px solid var(--rule);
}
.wordmark { font-family: var(--display); font-stretch: 125%; font-weight: 800; font-size: 17px; text-decoration: none; letter-spacing: .01em; }
.wordmark span { color: var(--accent-ink); }
.site-nav { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 16px; font-size: 14px; }
.site-nav > a { text-decoration: none; color: var(--ink); font-weight: 500; }
.site-nav-secondary { display: contents; }
.site-nav-secondary a {
  text-decoration: none; color: var(--muted); font-weight: 400; font-size: 12.5px;
  margin-inline-start: 2px;
}
.site-nav > a:hover, .site-nav > a[aria-current="page"],
.site-nav-secondary a:hover, .site-nav-secondary a[aria-current="page"] {
  color: var(--ink); text-decoration: underline; text-decoration-color: var(--accent);
}
.site-nav > a:focus-visible, .site-nav-secondary a:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}

/* Page headings */
.eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); display: flex; flex-wrap: wrap; gap: 6px 18px; }
.eyebrow b { color: var(--ink); font-weight: 500; }
.crumbs { font-family: var(--mono); font-size: 12px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 6px; }
.crumbs a { color: var(--muted); }
.title-block { display: grid; gap: 14px; }
.lede { max-width: 66ch; font-size: 18px; }
.summary { max-width: 70ch; font-size: 17px; }
section { display: grid; gap: 16px; min-width: 0; }
.section-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 20px; border-top: 2px solid var(--ink); padding-top: 12px; }
.section-note { color: var(--muted); max-width: 70ch; font-size: 15px; }
.count { font-family: var(--mono); font-size: 12px; color: var(--muted); }

/* Home hero */
.hero { display: grid; gap: 20px; }
.hero-row { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 32px; align-items: start; }
.answer-label { font-family: var(--mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.answer { font-family: var(--display); font-stretch: 125%; font-weight: 700; font-size: clamp(24px, 3vw, 34px); line-height: 1.15; color: var(--accent-ink); }
.hero-copy { display: grid; gap: 12px; max-width: 64ch; }
@media (max-width: 760px) { .hero-row { grid-template-columns: 1fr; gap: 14px; } }

/* Key figures */
.figures { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); background: var(--surface); border: 1px solid var(--rule); border-radius: 4px; overflow: hidden; }
.figures > * { padding: 12px 14px; display: grid; gap: 2px; align-content: start; text-decoration: none; box-shadow: 1px 0 0 var(--rule), 0 1px 0 var(--rule); }
.figures a:hover b { color: var(--accent-ink); }
.figures b { font-family: var(--mono); font-size: 22px; font-weight: 500; font-variant-numeric: tabular-nums; }
.figures span { font-size: 13px; color: var(--muted); }

/* Evidence ladder chart (bar heights set inline to scale) */
.ladder { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 4px; align-items: end; }
.rung { display: grid; gap: 6px; }
.rung-track { height: 150px; display: flex; align-items: flex-end; }
.rung-bar { width: 100%; border-radius: 2px; display: flex; align-items: flex-end; padding: 6px 8px; font-family: var(--mono); font-size: 13px; font-variant-numeric: tabular-nums; color: var(--ink); min-height: 30px; }
.rung-bar.empty { background: transparent; border: 1.5px dashed var(--rule); color: var(--muted); }
.rung-bar.empty.top { border-color: var(--accent); color: var(--accent-ink); }
.rung-label { font-size: 12.5px; line-height: 1.3; color: var(--label); }
.rung-label b { display: block; color: var(--ink); font-weight: 600; font-size: 13px; }
.r0 { background: var(--rung-0); } .r1 { background: var(--rung-1); } .r2 { background: var(--rung-2); }
.r3 { background: var(--rung-3); } .r4 { background: var(--rung-4); } .r5 { background: var(--rung-5); color: var(--surface); }
.r6 { background: var(--rung-6); color: var(--surface); }
@media (max-width: 720px) {
  .ladder { grid-template-columns: 1fr; }
  .rung { grid-template-columns: 110px 1fr; align-items: center; }
  .rung-label { order: -1; }
  .rung-track { height: auto; }
  .rung-bar { height: 32px !important; width: var(--w, 100%); min-width: 34px; }
}

/* Evidence meter (seven steps) */
.meter { display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; }
.meter-steps { display: inline-grid; grid-template-columns: repeat(7, 7px); gap: 2px; }
.meter-steps i { height: 12px; border-radius: 1px; background: transparent; border: 1px solid var(--rule); }
.meter-steps i.on { border-color: transparent; background: var(--idle); }
.meter-steps i.on.top { background: var(--accent); }
.meter-label { font-family: var(--mono); font-size: 12px; }

/* Tables */
.table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--rule); border-radius: 4px; }
table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
table.wide { min-width: 760px; }
caption { text-align: left; padding: 10px 12px 0; font-size: 13px; color: var(--muted); }
th { text-align: left; font-family: var(--mono); font-weight: 600; font-size: 12px; letter-spacing: .05em; text-transform: uppercase; color: var(--label); padding: 10px 12px; border-bottom: 1px solid var(--rule); white-space: nowrap; vertical-align: bottom; }
td { padding: 10px 12px; border-bottom: 1px solid var(--rule); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
td .sub { display: block; font-size: 13px; margin-top: 2px; max-width: 62ch; }
td.date, td.num { font-family: var(--mono); font-size: 13px; font-variant-numeric: tabular-nums; }
td.date .sub { font-family: var(--body); min-width: 16ch; }
td.date details.date-note,
.when details.date-note { margin-top: 2px; }
details.date-note > summary {
  font-size: 12px; font-family: var(--body); color: var(--muted); cursor: pointer;
}
details.date-note[open] > summary { margin-bottom: 4px; }
details.date-note .sub { display: block; font-size: 13px; max-width: 42ch; font-family: var(--body); }
td.nowrap { white-space: nowrap; }
.row-name { font-weight: 600; }
.empty-row td { color: var(--muted); font-style: italic; }

/* Filters */
.filters { display: flex; flex-wrap: wrap; gap: 8px 10px; align-items: center; }
.filters button { font: inherit; font-size: 13.5px; padding: 5px 12px; border: 1px solid var(--rule); background: var(--surface); color: var(--ink); border-radius: 999px; cursor: pointer; }
.filters button[aria-pressed="true"] { background: var(--ink); color: var(--ground); border-color: var(--ink); }
.filters .sep { width: 1px; height: 22px; background: var(--rule); }
.filters select, .filters input { font: inherit; font-size: 14px; padding: 6px 10px; border: 1px solid var(--rule); background: var(--surface); color: var(--ink); border-radius: 4px; min-width: 0; max-width: 100%; }
.filters input { width: min(260px, 100%); }
.filters label { display: inline-flex; gap: 6px; align-items: center; font-size: 13px; color: var(--muted); }

/* Record pages */
.record { display: grid; gap: 40px; }
.facts { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); background: var(--surface); border: 1px solid var(--rule); border-radius: 4px; overflow: hidden; margin: 0; }
.facts > div { padding: 10px 14px; display: grid; gap: 2px; align-content: start; box-shadow: 1px 0 0 var(--rule), 0 1px 0 var(--rule); }
.facts dt { font-family: var(--mono); font-size: 11.5px; letter-spacing: .05em; text-transform: uppercase; color: var(--muted); }
.facts dd { margin: 0; font-size: 15px; overflow-wrap: anywhere; }
.facts dd .sub { display: block; font-size: 13px; }
.split { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.panel { background: var(--surface); border: 1px solid var(--rule); border-radius: 4px; padding: 14px 16px; display: grid; gap: 8px; align-content: start; }
.panel h3 { font-family: var(--mono); font-weight: 500; font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.panel.done h3 { color: var(--ok); }
.panel.claim h3 { color: var(--warn); }
.callout { border-left: 3px solid var(--accent); padding: 4px 0 4px 14px; max-width: 70ch; }
.note { font-size: 14px; color: var(--muted); max-width: 70ch; }
.tag { display: inline-block; font-family: var(--mono); font-size: 11.5px; padding: 1px 7px; border-radius: 999px; border: 1px solid var(--rule); color: var(--muted); white-space: nowrap; }
.tag.warn { border-color: var(--warn); color: var(--warn); }
.tag.ok { border-color: var(--ok); color: var(--ok); }
.tag.bad { border-color: var(--bad); color: var(--bad); }
.list-plain { list-style: none; padding: 0; display: grid; gap: 8px; }
.limits { display: grid; gap: 6px; max-width: 72ch; }
/* Record prose can carry long URLs; let them break instead of widening the page. */
.limits, .summary, .callout, .note, .prose, .panel, .event .what, .lede { overflow-wrap: anywhere; }

/* Sources */
.sources { list-style: none; padding: 0; display: grid; gap: 14px; counter-reset: src; }
.sources > li { display: grid; gap: 6px; padding: 12px 14px; background: var(--surface); border: 1px solid var(--rule); border-radius: 4px; }
.sources > li:target { border-color: var(--accent); }
.src-head { display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: baseline; }
.src-num { font-family: var(--mono); font-size: 12px; color: var(--accent-ink); }
.src-title { font-weight: 600; font-style: normal; overflow-wrap: anywhere; }
.src-meta { font-size: 13px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 2px 14px; }
blockquote { margin: 0; padding: 6px 0 6px 14px; border-left: 2px solid var(--rule); font-size: 14.5px; max-width: 76ch; overflow-wrap: anywhere; }
details summary { cursor: pointer; font-size: 14px; color: var(--muted); }
details[open] summary { margin-bottom: 10px; }

/* Timeline */
.year { display: grid; gap: 10px; }
.year h2 { font-family: var(--mono); font-stretch: 100%; font-weight: 500; font-size: 18px; }
.events { list-style: none; padding: 0; display: grid; gap: 12px; }
.event { display: grid; grid-template-columns: 132px minmax(0, 1fr); gap: 4px 18px; padding: 12px 0; border-top: 1px solid var(--rule); }
.event:target { background: var(--surface); outline: 1px solid var(--accent); outline-offset: 6px; }
.event .when { font-family: var(--mono); font-size: 13px; }
.event .what { display: grid; gap: 6px; }
.event .meta { display: flex; flex-wrap: wrap; gap: 4px 12px; font-size: 13px; color: var(--muted); align-items: baseline; }
@media (max-width: 640px) { .event { grid-template-columns: 1fr; } }

/* Prose pages */
.prose { display: grid; gap: 14px; max-width: 72ch; }
.prose h2 { margin-top: 18px; }
.prose ul, .prose ol { display: grid; gap: 8px; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.card { background: var(--surface); border: 1px solid var(--rule); border-radius: 4px; padding: 14px 16px; display: grid; gap: 6px; align-content: start; }
.card h3 a { text-decoration: none; }
.card h3 a:hover { text-decoration: underline; text-decoration-color: var(--accent); }
.card p { font-size: 14px; color: var(--muted); }
.card .meta { display: flex; flex-wrap: wrap; gap: 4px 12px; font-size: 13px; }

/* Footer */
.site-foot { max-width: 1120px; margin: 56px auto 0; color: var(--muted); font-size: 13px; border-top: 1px solid var(--rule); padding-top: 14px; display: grid; gap: 6px; }
.site-foot nav { display: flex; flex-wrap: wrap; gap: 4px 16px; }
.record-foot { font-size: 13px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 4px 18px; border-top: 1px solid var(--rule); padding-top: 12px; }

@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; } }