/* =========================================================================
   Anthropic Data Policy — System of Record
   Identity: a legal/archival instrument. Ink on cool paper, hairline rules,
   an oxblood "seal" accent, monospace for every date/value/checksum.
   Color is spent only on status (the meaning); chrome stays near-monochrome.
   ========================================================================= */

:root {
  --paper:        #F5F6F8;
  --paper-2:      #EDEFF3;
  --surface:      #FFFFFF;
  --ink:          #141C26;
  --ink-soft:     #475360;
  --ink-faint:    #8A95A1;
  --rule:         #E2E6EC;
  --rule-strong:  #CBD2DB;

  --accent:       #8C2D2D;   /* oxblood — interactive, selection, seal */
  --accent-ink:   #6E2222;
  --accent-soft:  #F4E5E3;

  /* status palette — the only saturated color in the data */
  --inforce:      #1C7A55;
  --inforce-bg:   #E7F4ED;
  --scheduled:    #A85A12;
  --scheduled-bg: #FAEFDF;
  --inferred:     #4F46C9;
  --inferred-bg:  #ECEBFA;
  --absent:       #7C8794;

  --mono: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;

  --pad: 16px;
  --maxw: 1480px;
  --shadow: 0 1px 2px rgba(20,28,38,.06), 0 8px 24px rgba(20,28,38,.06);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }

/* ---------- Masthead ---------------------------------------------------- */
.masthead {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 24px;
  flex-wrap: wrap;
  padding: 22px var(--pad) 16px;
  max-width: var(--maxw); margin: 0 auto;
  border-bottom: 2px solid var(--accent);
}
.mast-id { display: flex; align-items: center; gap: 16px; }
.seal {
  width: 46px; height: 46px; flex: none; border-radius: 50%;
  border: 2px solid var(--accent);
  display: grid; place-items: center;
  color: var(--accent); position: relative;
  background:
    repeating-conic-gradient(var(--accent) 0deg 6deg, transparent 6deg 12deg) border-box;
  -webkit-mask: radial-gradient(circle 21px at 50% 50%, transparent 19px, #000 20px);
          mask: radial-gradient(circle 21px at 50% 50%, transparent 19px, #000 20px);
}
.seal::after {
  content: "§"; font-family: var(--serif); font-size: 20px; font-weight: 700;
  color: var(--accent);
  -webkit-mask: none; mask: none;
}
.mast-title {
  font-family: var(--serif); font-weight: 600; letter-spacing: .2px;
  font-size: 26px; line-height: 1.05; margin: 0; color: var(--ink);
}
.mast-sub { margin: 3px 0 0; color: var(--ink-soft); font-size: 12.5px; }

.mast-controls { display: flex; align-items: stretch; gap: 14px; flex-wrap: wrap; }

/* the signature "AS OF" rubber date-stamp */
.asof {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  border: 2px solid var(--accent); border-radius: 4px;
  padding: 6px 14px 7px; background: var(--surface);
  box-shadow: inset 0 0 0 2px var(--surface), inset 0 0 0 3px var(--accent-soft);
}
.asof-label {
  font-family: var(--mono); font-size: 10px; letter-spacing: 3px;
  color: var(--accent); text-transform: uppercase; font-weight: 700;
}
.asof-date {
  font-family: var(--mono); font-size: 22px; font-weight: 700; color: var(--accent-ink);
  letter-spacing: 1px; font-variant-numeric: tabular-nums;
}
.asof-state { font-size: 10px; color: var(--ink-faint); font-family: var(--mono); }

.field { display: flex; flex-direction: column; gap: 3px; justify-content: center; }
.field > span { font-size: 10px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--ink-faint); }
select, input[type="text"] {
  font-family: var(--sans); font-size: 13px; color: var(--ink);
  background: var(--surface); border: 1px solid var(--rule-strong);
  border-radius: 4px; padding: 7px 9px;
}
select:hover { border-color: var(--accent); }

/* ---------- Timeline ruler (point-in-time) ------------------------------ */
.ruler-wrap { max-width: var(--maxw); margin: 0 auto; padding: 14px var(--pad) 6px; }
.ruler {
  position: relative; height: 54px; margin-top: 6px;
  border-bottom: 1px solid var(--rule-strong);
  cursor: pointer; user-select: none;
}
.ruler-line { position: absolute; left: 0; right: 0; top: 34px; height: 2px; background: var(--rule); }
.tick { position: absolute; top: 26px; transform: translateX(-50%); }
.tick .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--ink-faint); margin: 0 auto;
  border: 2px solid var(--paper); box-shadow: 0 0 0 1px var(--rule-strong); }
.tick.major .dot { background: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.tick .lbl {
  position: absolute; top: 14px; left: 50%; transform: translateX(-50%) rotate(0deg);
  font-family: var(--mono); font-size: 9.5px; color: var(--ink-faint); white-space: nowrap;
}
.tick:hover .dot { background: var(--accent); transform: scale(1.2); }
.playhead { position: absolute; top: 8px; bottom: 0; width: 2px; background: var(--accent); z-index: 3; }
.playhead::before {
  content: ""; position: absolute; top: -2px; left: -5px;
  border: 6px solid transparent; border-top-color: var(--accent); border-bottom: 0;
}
.ruler-scrub { -webkit-appearance: none; appearance: none; width: 100%; height: 2px; background: transparent;
  position: absolute; top: 33px; margin: 0; z-index: 4; }
.ruler-scrub::-webkit-slider-thumb { -webkit-appearance: none; width: 16px; height: 28px; border-radius: 3px;
  background: var(--accent); border: 2px solid var(--surface); cursor: grab; box-shadow: var(--shadow); }
.ruler-scrub::-moz-range-thumb { width: 16px; height: 28px; border-radius: 3px; background: var(--accent);
  border: 2px solid var(--surface); cursor: grab; }

/* ---------- View nav + toolbar ----------------------------------------- */
.bar { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--pad); }
.views { display: flex; gap: 2px; border-bottom: 1px solid var(--rule); flex-wrap: wrap; }
.views button {
  font-family: var(--sans); font-size: 13.5px; font-weight: 500;
  background: none; border: 0; border-bottom: 2px solid transparent;
  padding: 12px 14px; color: var(--ink-soft); cursor: pointer; margin-bottom: -1px;
}
.views button:hover { color: var(--ink); }
.views button.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }

.toolbar {
  display: flex; gap: 12px; align-items: center; flex-wrap: wrap;
  padding: 12px 0; border-bottom: 1px solid var(--rule);
}
.toolbar .grow { flex: 1; min-width: 120px; }
.legend { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin-left: auto; }
.legend .lg { display: inline-flex; align-items: center; gap: 6px; font-size: 11.5px; color: var(--ink-soft); }
.chip-dot { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }
.chip-dot.inforce { background: var(--inforce); }
.chip-dot.scheduled { background: var(--scheduled); }
.chip-dot.inferred { background: var(--inferred); }
.chip-dot.absent { background: repeating-linear-gradient(45deg, var(--absent) 0 2px, transparent 2px 4px); border:1px solid var(--absent);}

/* ---------- Main / views ------------------------------------------------ */
main { max-width: var(--maxw); margin: 0 auto; padding: 18px var(--pad) 64px; }
.view { display: none; }
.view.active { display: block; }
.view-note { color: var(--ink-soft); font-size: 12.5px; margin: 0 0 14px; }
.empty { padding: 40px; text-align: center; color: var(--ink-faint); border: 1px dashed var(--rule-strong); border-radius: 6px; }

/* ---------- Matrix table ------------------------------------------------ */
.tablewrap { overflow-x: auto; border: 1px solid var(--rule); border-radius: 6px; background: var(--surface); box-shadow: var(--shadow); }
table.matrix { border-collapse: separate; border-spacing: 0; width: 100%; min-width: 720px; }
table.matrix th, table.matrix td { border-bottom: 1px solid var(--rule); border-right: 1px solid var(--rule); padding: 0; vertical-align: top; }
table.matrix thead th {
  position: sticky; top: 0; z-index: 2; background: var(--paper-2);
  font-size: 11px; letter-spacing: .6px; text-transform: uppercase; color: var(--ink-soft);
  text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--rule-strong); font-weight: 600;
}
table.matrix tbody th.rowhead {
  position: sticky; left: 0; z-index: 1; background: var(--paper-2);
  text-align: left; padding: 12px; font-size: 12.5px; font-weight: 600; color: var(--ink);
  border-right: 1px solid var(--rule-strong); min-width: 150px;
}
table.matrix tbody th.rowhead small { display:block; font-weight: 400; color: var(--ink-faint); font-size: 10.5px; text-transform: none; letter-spacing: 0; }
.cell { display: block; padding: 10px 12px; min-height: 44px; cursor: pointer; position: relative; }
.cell:hover { background: var(--accent-soft); }
.cell .val { font-family: var(--mono); font-size: 12.5px; color: var(--ink); }
.cell .cond { display: block; color: var(--ink-soft); font-size: 11px; margin-top: 3px; }
.cell .stack { margin-top: 6px; }
.cell.empty-cell { cursor: default; }
.cell.empty-cell:hover { background: none; }
.cell .multi { font-size: 10px; color: var(--ink-faint); margin-top: 4px; font-family: var(--mono); }

/* status treatments */
.s-scheduled .val { color: var(--scheduled); }
.s-scheduled { background: linear-gradient(0deg, var(--scheduled-bg), var(--scheduled-bg)); }
.s-inferred .val { color: var(--inferred); border-bottom: 1px dashed var(--inferred); display:inline; }
.s-absent .val { color: var(--absent); font-style: italic; font-family: var(--sans); }
.s-absent { background: repeating-linear-gradient(45deg, rgba(124,135,148,.07) 0 6px, transparent 6px 12px); }
.badge {
  display: inline-block; font-family: var(--mono); font-size: 9px; letter-spacing: .5px;
  text-transform: uppercase; padding: 1px 5px; border-radius: 3px; margin-left: 6px; vertical-align: middle;
}
.badge.scheduled { color: var(--scheduled); background: var(--scheduled-bg); border: 1px solid var(--scheduled); }
.badge.inferred { color: var(--inferred); background: var(--inferred-bg); border: 1px solid var(--inferred); }
.badge.absent { color: var(--absent); background: transparent; border: 1px solid var(--absent); }
.badge.juris { color: var(--ink-soft); background: var(--paper-2); border: 1px solid var(--rule-strong); }

/* differences highlight (compare view) */
.cell.diff { box-shadow: inset 3px 0 0 var(--accent); }
td.diffcol { background: var(--accent-soft); }

/* group-header rows + no-data marker (tiers view) */
table.matrix tr.grouprow td {
  background: var(--paper-2); border-top: 2px solid var(--rule-strong);
  font-family: var(--sans); font-weight: 700; font-size: 11px; letter-spacing: 1px;
  text-transform: uppercase; color: var(--ink-soft); padding: 8px 12px;
}
.cell.nodata {
  cursor: default; color: var(--ink-faint); font-style: italic;
  font-family: var(--sans); font-size: 11.5px;
}
.cell.nodata:hover { background: none; }
/* diff-only toggle — distinct from chip pickers */
.difftoggle { display: inline-flex; align-items: center; gap: 6px; margin: 0 0 14px;
  font-size: 12.5px; color: var(--ink-soft); cursor: pointer; user-select: none; }
.difftoggle input { margin: 0; accent-color: var(--accent); }

/* tiers — grouped, collapsible feature categories with bulk on/off */
.groupby { display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  margin: 0 0 10px; font-size: 12.5px; color: var(--ink-soft); }
.groupby .gblabel { font-weight: 600; color: var(--ink-soft); }
.groupby .gb { border: 1px solid var(--rule-strong); background: var(--surface);
  border-radius: 20px; padding: 4px 13px; cursor: pointer; font-size: 12.5px;
  color: var(--ink); font-family: var(--sans); }
.groupby .gb.on { border-color: var(--accent); background: var(--accent-soft);
  color: var(--accent-ink); font-weight: 600; }
.groupby .gbsep { color: var(--ink-faint); margin: 0 2px; }
.groupby .gblink { border: 0; background: none; color: var(--accent-ink); cursor: pointer;
  font-size: 12px; text-decoration: underline; padding: 2px 3px; font-family: var(--sans); }
.groupby .gblink:disabled { color: var(--ink-faint); text-decoration: none; cursor: default; }

.catgroups { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.catgroup { border: 1px solid var(--rule); border-radius: 8px; overflow: hidden;
  background: var(--surface); }
.cathead { display: flex; align-items: center; gap: 10px; padding: 8px 12px; }
.cathead:hover { background: var(--paper-2); }
.cathead .catmaster { margin: 0; width: 15px; height: 15px; flex: none;
  accent-color: var(--accent); cursor: pointer; }
.cattoggle { display: flex; align-items: center; gap: 8px; flex: 1 1 auto;
  font-size: 13px; font-weight: 600; color: var(--ink); cursor: pointer; user-select: none; }
.cattoggle .caret { color: var(--ink-faint); font-size: 10px; width: 10px; display: inline-block; }
.catn { color: var(--ink-faint); font-weight: 400; font-size: 12px; }
.catn .off { color: var(--absent); font-weight: 600; }
.catbody { padding: 6px 12px 12px 36px; border-top: 1px solid var(--rule); }
.catbody .planpick { margin-bottom: 0; }
.catgroup.alloff { opacity: .65; }
.catgroup.alloff .cattoggle { color: var(--ink-faint); }

/* ---------- Timeline / docket ------------------------------------------ */
.docket { border-left: 2px solid var(--rule-strong); margin-left: 8px; padding-left: 0; }
.event { position: relative; padding: 0 0 22px 24px; }
.event::before { content: ""; position: absolute; left: -7px; top: 4px; width: 12px; height: 12px; border-radius: 50%;
  background: var(--surface); border: 2px solid var(--accent); }
.event.future::before { background: var(--scheduled-bg); border-color: var(--scheduled); }
.event .edate { font-family: var(--mono); font-weight: 700; font-size: 15px; }
.event.future .edate { color: var(--scheduled); }
.event .esum { color: var(--ink-soft); font-size: 12.5px; margin: 2px 0 8px; }
.event ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 4px; }
.event li { font-size: 12.5px; padding: 7px 10px; background: var(--surface); border: 1px solid var(--rule); border-radius: 5px; cursor: pointer; }
.event li:hover { border-color: var(--accent); }
.event li .tag { font-family: var(--mono); font-size: 10px; color: var(--ink-faint); }
.ch-add { box-shadow: inset 3px 0 0 var(--inforce); }
.ch-end { box-shadow: inset 3px 0 0 var(--absent); opacity: .85; }

/* ---------- Provenance drawer ------------------------------------------ */
.drawer {
  position: fixed; top: 0; right: 0; height: 100%; width: min(440px, 92vw);
  background: var(--surface); border-left: 1px solid var(--rule-strong);
  box-shadow: -12px 0 32px rgba(20,28,38,.12);
  transform: translateX(100%); transition: transform .22s ease; z-index: 50;
  display: flex; flex-direction: column;
}
.drawer.open { transform: translateX(0); }
.drawer header { display: flex; align-items: center; justify-content: space-between;
  padding: 16px var(--pad); border-bottom: 2px solid var(--accent); }
.drawer header h3 { margin: 0; font-family: var(--serif); font-size: 18px; }
.drawer .close { background: none; border: 1px solid var(--rule-strong); border-radius: 4px;
  width: 30px; height: 30px; cursor: pointer; font-size: 16px; color: var(--ink-soft); }
.drawer .body { overflow-y: auto; padding: var(--pad); }
.prov-val { font-family: var(--mono); font-size: 16px; font-weight: 700; margin: 0 0 4px; }
.prov-cond { color: var(--ink-soft); font-size: 13px; margin: 0 0 14px; }
.kv { display: grid; grid-template-columns: 120px 1fr; gap: 6px 12px; font-size: 12.5px; padding: 12px 0; border-top: 1px solid var(--rule); }
.kv dt { color: var(--ink-faint); text-transform: uppercase; font-size: 10px; letter-spacing: .8px; padding-top: 2px; }
.kv dd { margin: 0; font-family: var(--mono); word-break: break-word; }
.kv dd.sans { font-family: var(--sans); }
.checksum { font-size: 10.5px; color: var(--ink-faint); word-break: break-all; }
.prov-status { display:inline-flex; align-items:center; gap:6px; padding: 3px 8px; border-radius: 4px; font-size: 11px; font-family: var(--mono); }
.prov-status.inforce { background: var(--inforce-bg); color: var(--inforce); }
.prov-status.scheduled { background: var(--scheduled-bg); color: var(--scheduled); }
.prov-status.inferred { background: var(--inferred-bg); color: var(--inferred); }
.prov-status.absent { background: var(--paper-2); color: var(--absent); }

.scrim { position: fixed; inset: 0; background: rgba(20,28,38,.28); opacity: 0; pointer-events: none; transition: opacity .22s; z-index: 40; }
.scrim.open { opacity: 1; pointer-events: auto; }

/* ---------- Compare picker --------------------------------------------- */
.planpick { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.planpick label { display: inline-flex; align-items: center; gap: 6px; padding: 6px 11px;
  border: 1px solid var(--rule-strong); border-radius: 20px; cursor: pointer; font-size: 12.5px; background: var(--surface); }
.planpick label.on { border-color: var(--accent); background: var(--accent-soft); color: var(--accent-ink); font-weight: 600; }
.planpick input { display: none; }
/* surface selector — single-select chips (no inner checkbox) */
.planpick.surfacepick { margin-bottom: 10px; }
.planpick.surfacepick label { user-select: none; }

/* ---------- Footer ------------------------------------------------------ */
footer { max-width: var(--maxw); margin: 0 auto; padding: 20px var(--pad) 48px; border-top: 1px solid var(--rule);
  color: var(--ink-faint); font-size: 11.5px; }
footer code { font-family: var(--mono); color: var(--ink-soft); }
.statline { font-family: var(--mono); font-size: 11px; color: var(--ink-soft); }

/* ---------- Responsive + a11y ------------------------------------------ */
@media (max-width: 720px) {
  .mast-title { font-size: 21px; }
  .asof-date { font-size: 18px; }
  table.matrix { min-width: 560px; }
}
@media (prefers-reduced-motion: reduce) {
  .drawer, .scrim, .tick .dot { transition: none; }
}