/* =====================================================================
   Celsus2 — Phase 4 wireframes (low-fidelity, static HTML)
   Shared stylesheet. Quiet, dense, trust-critical legal tool aesthetic.
   These are planning artefacts, NOT application code.
   British English throughout. No confidence scores anywhere.
   ===================================================================== */

:root {
  --bg:            #f4f4f2;
  --panel:         #ffffff;
  --panel-2:       #fafaf8;
  --ink:           #20201d;
  --ink-2:         #44443f;
  --muted:         #6f6f68;
  --muted-2:       #8c8c84;
  --line:          #e3e2dd;
  --line-2:        #d2d1cb;
  --line-strong:   #b9b8b1;

  --accent:        #38566f;   /* muted slate — used sparingly */
  --accent-soft:   #eef2f6;

  /* legal status colours (paired ALWAYS with glyph/label, never colour alone) */
  --ok:            #2f6b3f;   /* accepted / current */
  --ok-soft:       #eaf2ec;
  --warn:          #8a5a13;   /* challenged / caution */
  --warn-soft:     #f6efe1;
  --danger:        #97342f;   /* rejected / unsupported */
  --danger-soft:   #f6eae9;
  --info:          #2f5688;   /* client-ready GATE (matter-level only) */
  --info-soft:     #e9eef5;
  --neutral:       #6f6f68;   /* draft / needs review */

  --radius:        7px;
  --radius-sm:     4px;
  --mono: "SFMono-Regular", ui-monospace, "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- wireframe page chrome ---------- */
.wf-meta {
  background: #2a2a26;
  color: #ededea;
  padding: 8px 16px;
  font-size: 12px;
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
}
.wf-meta a { color: #cfd8e0; }
.wf-meta .sep { color: #6b6b63; }
.wf-meta strong { color: #fff; font-weight: 600; }
.wf-frame {
  max-width: 1320px;
  margin: 20px auto;
  padding: 0 16px 60px;
}
.wf-title {
  font-size: 15px;
  font-weight: 600;
  margin: 18px 0 4px;
}
.wf-note {
  font-size: 12.5px;
  color: var(--muted);
  margin: 0 0 14px;
  max-width: 80ch;
}
.wf-note code { background: #eceae4; padding: 1px 5px; border-radius: 3px; font-size: 11.5px; }

/* the simulated app viewport */
.app {
  background: var(--panel);
  border: 1px solid var(--line-2);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(0,0,0,.04), 0 6px 18px rgba(0,0,0,.04);
}
.app--narrow { max-width: 1100px; }
.app--phone  { max-width: 760px; }

/* ---------- top app bar / matter bar ---------- */
.appbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--panel-2);
  min-height: 46px;
}
.appbar .brand { font-weight: 700; letter-spacing: .2px; }
.appbar .crumb { color: var(--muted); }
.appbar .crumb b { color: var(--ink); font-weight: 600; }
.appbar .spacer, .spacer { flex: 1 1 auto; }
.appbar .meta-pill { color: var(--muted); font-size: 12.5px; }

.kbd {
  font-family: var(--mono);
  font-size: 11px;
  border: 1px solid var(--line-2);
  border-bottom-width: 2px;
  border-radius: 4px;
  padding: 1px 5px;
  color: var(--ink-2);
  background: #fff;
}

/* ---------- buttons ---------- */
.btn {
  font: inherit;
  font-size: 13px;
  border: 1px solid var(--line-2);
  background: #fff;
  color: var(--ink);
  padding: 5px 11px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.btn:hover { border-color: var(--line-strong); background: var(--panel-2); }
.btn--primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn--primary:hover { background: #2f4a60; }
.btn--ghost { border-color: transparent; background: transparent; }
.btn--sm { font-size: 12px; padding: 3px 8px; }
.btn[disabled], .btn.is-disabled {
  opacity: .5; cursor: not-allowed; pointer-events: none;
}
.btn--ok      { color: var(--ok); border-color: #bcd6c2; }
.btn--danger  { color: var(--danger); border-color: #ddb9b6; }
.btn--warn    { color: var(--warn); border-color: #e0c79a; }

/* ---------- generic layout helpers ---------- */
.row { display: flex; gap: 10px; align-items: center; }
.col { display: flex; flex-direction: column; gap: 10px; }
.wrap { flex-wrap: wrap; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.tiny { font-size: 11px; }
.mono { font-family: var(--mono); }
.center { text-align: center; }

/* ---------- three-zone workbench ---------- */
.workbench {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr) 340px;
  min-height: 560px;
}
.workbench--viewer {
  grid-template-columns: 180px minmax(0,1fr) 300px 320px;
}

.rail {
  border-right: 1px solid var(--line);
  background: var(--panel-2);
  padding: 10px 8px;
  font-size: 13px;
  overflow: auto;
}
.rail-group { margin-bottom: 6px; }
.rail-group > .rail-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 6px 8px;
  color: var(--ink-2);
  font-weight: 600;
  font-size: 11.5px;
  letter-spacing: .04em;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: var(--radius-sm);
}
.rail-group > .rail-head:hover { background: #efeee9; }
.rail-item {
  padding: 4px 8px 4px 20px;
  color: var(--ink-2);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex; gap: 6px; align-items: center;
  justify-content: space-between;
}
.rail-item:hover { background: #efeee9; }
.rail-item.is-active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.rail-collapse {
  margin-top: 10px; border-top: 1px dashed var(--line-2); padding-top: 8px;
}

.centre {
  display: flex; flex-direction: column; min-width: 0;
  border-right: 1px solid var(--line);
}
.centre-bar {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px; border-bottom: 1px solid var(--line);
  background: var(--panel-2);
}
.seg {
  display: inline-flex; border: 1px solid var(--line-2); border-radius: var(--radius-sm); overflow: hidden;
}
.seg button {
  font: inherit; font-size: 12.5px; border: 0; background: #fff; padding: 4px 11px; cursor: pointer; color: var(--ink-2);
}
.seg button.is-active { background: var(--accent); color: #fff; }
.centre-body { padding: 0; overflow: auto; flex: 1 1 auto; }

.inspector {
  background: var(--panel);
  overflow: auto;
  font-size: 13px;
}
.inspector--empty { display: flex; align-items: center; justify-content: center; text-align: center; padding: 30px; color: var(--muted); }
.insp-head {
  padding: 11px 14px; border-bottom: 1px solid var(--line); background: var(--panel-2);
}
.insp-head h3 { margin: 0; font-size: 13.5px; }
.insp-head .sub { color: var(--muted); font-size: 12px; margin-top: 2px; }
.insp-section { padding: 11px 14px; border-bottom: 1px solid var(--line); }
.insp-section h4 {
  margin: 0 0 7px; font-size: 11px; letter-spacing: .05em; text-transform: uppercase; color: var(--muted);
}
.insp-actions { padding: 12px 14px; display: flex; gap: 8px; flex-wrap: wrap; position: sticky; bottom: 0; background: var(--panel); border-top: 1px solid var(--line); }

/* ---------- review grid ---------- */
.grid-scroll { overflow: auto; }
table.grid {
  border-collapse: collapse;
  width: 100%;
  font-size: 13px;
}
table.grid th, table.grid td {
  border: 1px solid var(--line);
  padding: 0;
  vertical-align: top;
  text-align: left;
}
table.grid thead th {
  background: var(--panel-2);
  font-weight: 600;
  font-size: 12px;
  color: var(--ink-2);
  padding: 7px 10px;
  position: sticky; top: 0; z-index: 2;
  white-space: nowrap;
}
table.grid th.doc-col, table.grid td.doc-col {
  position: sticky; left: 0; z-index: 1;
  background: var(--panel-2);
  min-width: 150px;
  padding: 8px 10px;
  font-weight: 600;
  white-space: nowrap;
}
table.grid thead th.doc-col { z-index: 3; }

.cell {
  display: block;
  padding: 8px 10px 8px 13px;
  position: relative;
  min-width: 150px;
  cursor: pointer;
}
.cell:hover { background: var(--panel-2); }
.cell.is-selected { background: var(--accent-soft); outline: 2px solid var(--accent); outline-offset: -2px; }
.cell .answer { color: var(--ink); }
.cell .cell-foot { margin-top: 5px; display: flex; gap: 8px; align-items: center; color: var(--muted); font-size: 11.5px; flex-wrap: wrap; }

/* review gutter (left border) — pattern + colour + label, never colour alone */
.cell::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--line-2);
}
.gut-draft::before     { background: var(--neutral); }
.gut-accepted::before  { background: var(--ok); }
.gut-rejected::before  { background: var(--danger); }
.gut-challenged::before{ background: var(--warn); }
.gut-stale::before     { background: repeating-linear-gradient(180deg, var(--warn) 0 4px, transparent 4px 8px); }

/* ---------- glyphs (support status) ---------- */
.glyph { font-family: var(--mono); font-weight: 700; }
.g-quote    { color: var(--ok); }      /* ● */
.g-file     { color: var(--warn); }    /* ◐ */
.g-none     { color: var(--muted); }   /* ○ */
.g-unsupp   { color: var(--danger); }  /* ✗ */
.g-stale    { color: var(--warn); }    /* ~ */

/* ---------- badges / pills ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11px; padding: 1px 7px; border-radius: 999px;
  border: 1px solid var(--line-2); background: #fff; color: var(--ink-2);
  white-space: nowrap;
}
.badge .glyph { font-size: 12px; }
.badge--ok     { background: var(--ok-soft);     border-color: #bcd6c2; color: var(--ok); }
.badge--warn   { background: var(--warn-soft);   border-color: #e0c79a; color: var(--warn); }
.badge--danger { background: var(--danger-soft); border-color: #ddb9b6; color: var(--danger); }
.badge--info   { background: var(--info-soft);   border-color: #b9c8df; color: var(--info); }
.badge--neutral{ background: #f0efea;            border-color: var(--line-2); color: var(--muted); }

/* severity chips for warnings dictionary */
.sev { font-size: 10px; text-transform: uppercase; letter-spacing: .04em; padding: 1px 6px; border-radius: 3px; font-weight: 700; }
.sev-blocker { background: var(--danger-soft); color: var(--danger); }
.sev-review  { background: var(--warn-soft); color: var(--warn); }
.sev-caveat  { background: #eef0f2; color: var(--muted); }

/* ---------- API-reality tag ---------- */
.api {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .03em;
  padding: 1px 6px;
  border-radius: 3px;
  border: 1px dashed var(--line-strong);
  color: var(--muted);
  background: #fff;
  white-space: nowrap;
}
.api-now    { color: #2f6b3f; border-color: #98c4a4; background: #f0f7f2; }
.api-read   { color: #2f5688; border-color: #a7bcd9; background: #eef3f9; }
.api-new    { color: #8a5a13; border-color: #d8bd8a; background: #f8f2e6; }
.api-job    { color: #7a3aa0; border-color: #c9a8dc; background: #f4edf8; }
.api-defer  { color: var(--muted); border-color: var(--line-2); background: #f3f2ee; }

/* ---------- banners ---------- */
.banner {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 9px 14px; font-size: 12.5px;
  border-bottom: 1px solid var(--line);
}
.banner--quiet  { background: #f3f2ee; color: var(--ink-2); }
.banner--warn   { background: var(--warn-soft); color: var(--warn); }
.banner--danger { background: var(--danger-soft); color: var(--danger); }
.banner .btn { margin-left: auto; }

/* ---------- cards (matters launcher) ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; padding: 16px; }
.card {
  border: 1px solid var(--line-2); border-radius: var(--radius); padding: 13px 14px; background: #fff; cursor: pointer;
}
.card:hover { border-color: var(--line-strong); box-shadow: 0 2px 8px rgba(0,0,0,.05); }
.card h4 { margin: 0 0 3px; font-size: 14px; }
.card .juris { color: var(--muted); font-size: 12px; }
.card .stats { margin-top: 10px; color: var(--ink-2); font-size: 12px; }
.card .card-foot { margin-top: 9px; display: flex; gap: 6px; align-items: center; }

/* ---------- forms ---------- */
.field { display: flex; flex-direction: column; gap: 4px; }
.field label { font-size: 12px; color: var(--muted); }
.input, .textarea, select {
  font: inherit; font-size: 13px; border: 1px solid var(--line-2); border-radius: var(--radius-sm);
  padding: 6px 9px; background: #fff; color: var(--ink); width: 100%;
}
.textarea { min-height: 64px; resize: vertical; }
.toolbar { display: flex; gap: 10px; align-items: center; padding: 10px 14px; border-bottom: 1px solid var(--line); background: var(--panel-2); flex-wrap: wrap; }
.chip-filter { font-size: 12px; border: 1px solid var(--line-2); background: #fff; border-radius: 999px; padding: 3px 10px; cursor: pointer; color: var(--ink-2); }
.chip-filter.is-active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ---------- upload drop zone ---------- */
.dropzone {
  border: 2px dashed var(--line-strong); border-radius: var(--radius); padding: 28px; text-align: center; color: var(--muted); background: var(--panel-2);
}

/* ---------- skeleton ---------- */
.sk { background: linear-gradient(90deg, #ededea 25%, #f5f5f2 37%, #ededea 63%); border-radius: 4px; height: 11px; display: inline-block; }
.sk-row td { padding: 9px 10px; }

/* ---------- document viewer ---------- */
.viewer { background: #f0efe9; overflow: auto; padding: 14px; }
.page {
  background: #fff; border: 1px solid var(--line-2); border-radius: 3px; padding: 18px; font-size: 12.5px; line-height: 1.7; color: var(--ink-2); box-shadow: 0 1px 3px rgba(0,0,0,.06);
}
.page h5 { margin: 0 0 10px; font-size: 12px; color: var(--muted); }
mark.hl { background: #fbe8a6; padding: 1px 2px; border-radius: 2px; color: var(--ink); }
.viewer-bar { display: flex; gap: 8px; align-items: center; padding: 8px 12px; border-bottom: 1px solid var(--line); background: var(--panel-2); }

/* ---------- modal / flow card ---------- */
.flowgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: 16px; padding: 16px; }
.flowcard { border: 1px solid var(--line-2); border-radius: var(--radius); background: #fff; }
.flowcard h4 { margin: 0; padding: 10px 14px; border-bottom: 1px solid var(--line); font-size: 13px; background: var(--panel-2); display:flex; align-items:center; gap:8px; }
.flowcard .body { padding: 12px 14px; }
.check { display: flex; gap: 8px; align-items: flex-start; margin: 6px 0; font-size: 12.5px; }
.check input { margin-top: 3px; }

/* ---------- legend block ---------- */
.legend { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr)); gap: 16px; }
.legend .lg { border: 1px solid var(--line-2); border-radius: var(--radius); background: #fff; padding: 12px 14px; }
.legend .lg h4 { margin: 0 0 8px; font-size: 12px; }
.legend .lg .li { display: flex; gap: 9px; align-items: baseline; padding: 3px 0; font-size: 12.5px; }
.legend .lg .li .g { width: 22px; text-align: center; }

dl.kv { margin: 0; display: grid; grid-template-columns: max-content 1fr; gap: 4px 12px; font-size: 12.5px; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; }

.quote { border-left: 3px solid var(--line-strong); padding: 4px 0 4px 10px; color: var(--ink-2); font-size: 12.5px; }
.locator { font-family: var(--mono); font-size: 11.5px; color: var(--muted); }

.cascade { font-size: 12.5px; }
.cascade .step { padding-left: 0; position: relative; margin: 4px 0; }
.cascade .step.sub { padding-left: 18px; }
.cascade .step.sub::before { content: "└▸"; position: absolute; left: 0; color: var(--muted); font-family: var(--mono); }

table.matrix { border-collapse: collapse; width: 100%; font-size: 12.5px; background: #fff; }
table.matrix th, table.matrix td { border: 1px solid var(--line); padding: 6px 9px; text-align: left; }
table.matrix th { background: var(--panel-2); font-size: 11.5px; }
table.matrix td.yes { color: var(--ok); font-weight: 600; }
table.matrix td.no  { color: var(--danger); }

.nav-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px,1fr)); gap: 14px; }
.nav-card { border: 1px solid var(--line-2); border-radius: var(--radius); background: #fff; padding: 14px; display: block; }
.nav-card:hover { border-color: var(--line-strong); box-shadow: 0 2px 8px rgba(0,0,0,.05); text-decoration: none; }
.nav-card .n { color: var(--muted); font-family: var(--mono); font-size: 12px; }
.nav-card h3 { margin: 4px 0 6px; font-size: 14px; color: var(--ink); }
.nav-card p { margin: 0; font-size: 12px; color: var(--muted); }

/* ---------- phase labels (Phase 4A vs 4B/4C/deferred previews) ---------- */
.phase {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 10px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  padding: 2px 8px; border-radius: 999px; border: 1px solid; white-space: nowrap;
}
.phase-4a    { color: #2f6b3f; border-color: #98c4a4; background: #eef7f1; }
.phase-4b    { color: #7a3aa0; border-color: #c9a8dc; background: #f4edf8; }
.phase-4c    { color: #2f5688; border-color: #a7bcd9; background: #eef3f9; }
.phase-defer { color: #6f6f68; border-color: #d2d1cb; background: #f1f0ec; }

.phase-banner {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 9px 13px; border: 1px solid var(--line-2); border-left-width: 4px;
  border-radius: var(--radius-sm); margin: 0 0 16px; font-size: 12.5px; background: var(--panel);
}
.phase-banner.is-4a    { border-left-color: #2f6b3f; background: #f5faf6; }
.phase-banner.is-4b    { border-left-color: #7a3aa0; background: #f8f4fb; }
.phase-banner.is-4c    { border-left-color: #2f5688; background: #f4f7fb; }
.phase-banner.is-defer { border-left-color: #8c8c84; background: #f6f5f2; }
.phase-banner .pb-body { flex: 1 1 auto; }
.phase-banner b { color: var(--ink); }

/* ---------- 4A first-slice path flow (index hub) ---------- */
.pathflow { display: flex; flex-wrap: wrap; gap: 6px; align-items: stretch; margin: 6px 0 4px; }
.pathflow .step {
  border: 1px solid var(--line-2); border-radius: var(--radius-sm); background: #fff;
  padding: 7px 11px; font-size: 12px; min-width: 110px; display: flex; flex-direction: column; gap: 2px;
}
.pathflow .step:hover { border-color: var(--line-strong); }
.pathflow .step .sn { font-family: var(--mono); font-size: 10px; color: var(--muted); }
.pathflow .step a { font-weight: 600; }
.pathflow .arrow { align-self: center; color: var(--muted-2); font-size: 13px; }

/* a "disabled / future" control look for 4B/4C affordances shown on 4A screens */
.btn--future {
  opacity: .55; cursor: not-allowed; pointer-events: none;
  border-style: dashed;
}