/* ────────────────────────────────────────────────────────────
   Bounty dashboard — editorial paper system
   Warm paper ground, ink rules, one cobalt accent.
   Typography leads. Corners are sharp. Nothing lifts.
   ──────────────────────────────────────────────────────────── */

:root {
  --paper: #f4f1e8;
  --paper-raised: #faf8f1;
  --paper-shade: #ebe7d9;
  --ink: #111111;
  --ink-80: rgba(17, 17, 17, 0.8);
  --ink-60: rgba(17, 17, 17, 0.62);
  --ink-40: rgba(17, 17, 17, 0.42);
  --rule-hair: rgba(17, 17, 17, 0.28);
  --rule-faint: rgba(17, 17, 17, 0.14);
  --cobalt: #085ffe;
  --cobalt-deep: #0647c4;
  --ok: #1c6b45;
  --warn: #8a5a0b;
  --bad: #a02c20;
  --serif: "Instrument Sans", "Helvetica Neue", Arial, sans-serif;
  --sans: "Instrument Sans", system-ui, -apple-system, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "Courier New", monospace;
}

* { box-sizing: border-box; }

html {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  -webkit-text-size-adjust: 100%;
}

body { margin: 0; min-height: 100vh; background: var(--paper); }

button, input, textarea, select { font: inherit; color: inherit; }

.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.hidden { display: none !important; }
.muted { color: var(--ink-60); }

a { color: var(--cobalt); }

:focus-visible { outline: 2px solid var(--cobalt); outline-offset: 2px; }

.skip-link {
  position: fixed; left: 12px; top: 12px; z-index: 200;
  background: var(--ink); color: var(--paper); padding: 10px 16px;
  visibility: hidden; opacity: 0; pointer-events: none;
}
.skip-link:focus-visible { visibility: visible; opacity: 1; pointer-events: auto; }

/* ── Masthead ─────────────────────────────────────────────── */

.masthead {
  background: var(--paper);
  border-top: 4px solid var(--ink);
  border-bottom: 2px solid var(--ink);
}

.masthead-top {
  max-width: 1440px; margin: 0 auto;
  padding: 18px clamp(20px, 4vw, 64px) 14px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; flex-wrap: wrap;
  border-bottom: 1px solid var(--rule-hair);
}

.brand {
  display: flex; align-items: baseline; gap: 14px;
  text-decoration: none; color: var(--ink);
}

.brand-name {
  font: 700 clamp(24px, 3vw, 30px) / 1 var(--sans);
  letter-spacing: -0.045em;
}

.brand-sub {
  font: 500 10px / 1.4 var(--mono);
  letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--ink-60);
  border-left: 1px solid var(--rule-hair);
  padding-left: 14px;
}

.masthead-utils {
  display: flex; align-items: flex-end; gap: 18px; flex-wrap: wrap;
}

.workspace-control label {
  display: block;
  font: 500 10px / 1.4 var(--mono);
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-60);
  margin-bottom: 5px;
}

.input-pair { display: flex; }
.input-pair input { width: 128px; min-width: 0; min-height: 36px; }
.input-pair button { min-height: 36px; border-left: 0; }

.workspace-control p {
  margin: 6px 0 0; font-size: 10px; line-height: 1.45;
  color: var(--ink-40); max-width: 240px;
}

.text-button {
  border: 0; background: transparent; min-height: 32px; padding: 2px 0;
  color: var(--cobalt); text-decoration: underline;
  text-underline-offset: 3px; cursor: pointer;
}
.text-button:hover { background: transparent; color: var(--cobalt-deep); }

.tour-btn {
  min-height: 36px; padding: 8px 14px;
  border: 1px solid var(--ink); background: transparent;
  font: 500 11px var(--mono); letter-spacing: 0.08em; text-transform: uppercase;
  cursor: pointer;
}
.tour-btn:hover { background: var(--ink); color: var(--paper); }

.menu-toggle { display: none; }

.masthead-nav {
  max-width: 1440px; margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 64px);
  display: flex; gap: clamp(14px, 2.6vw, 34px);
  overflow-x: auto; scrollbar-width: thin;
}

.nav-item {
  display: flex; align-items: baseline; gap: 8px;
  border: 0; background: transparent; cursor: pointer;
  padding: 13px 2px 11px; min-height: 0;
  font: 500 12px var(--mono); letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-60); white-space: nowrap;
  box-shadow: inset 0 -2px 0 transparent;
}
.nav-item:hover { background: transparent; color: var(--ink); }
.nav-item .nav-no { color: var(--ink-40); }
.nav-item.active { color: var(--ink); box-shadow: inset 0 -2px 0 var(--ink); }
.nav-item.active .nav-no { color: var(--cobalt); }

/* ── Page frame ───────────────────────────────────────────── */

main {
  min-width: 0;
  padding: 40px clamp(20px, 4vw, 64px) 96px;
}

.view { display: none; max-width: 1440px; margin: 0 auto; }
.view.active { display: block; }

.page-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 24px; margin-bottom: 28px; padding-bottom: 22px;
  border-bottom: 2px solid var(--ink);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--cobalt);
  font: 500 10px / 1.4 var(--mono);
  letter-spacing: 0.14em; text-transform: uppercase;
}

.page-head h1 {
  margin: 0 0 10px;
  font: 600 clamp(36px, 4.6vw, 54px) / 1 var(--serif);
  letter-spacing: -0.015em;
}

.page-head p:last-child {
  color: var(--ink-60); max-width: 640px; margin: 0;
  line-height: 1.55; font-size: 15px;
}

h2, h3 { font-weight: 600; letter-spacing: -0.01em; }

/* ── Zones: numbered sections with black rules ────────────── */

.zone { margin-top: 36px; border-top: 2px solid var(--ink); padding-top: 14px; }

.zone-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 16px; margin-bottom: 18px;
}

.zone-head h2 {
  margin: 0;
  font: 600 21px / 1.2 var(--serif);
}

.zone-no {
  font: 500 11px var(--mono); color: var(--cobalt);
  letter-spacing: 0.08em; margin-right: 10px;
}

.zone-note {
  margin: 0; font-size: 12px; color: var(--ink-60);
  text-align: right; max-width: 320px;
}

/* ── Explore: scan composer ───────────────────────────────── */

.composer-grid { display: grid; grid-template-columns: 1fr 1fr; }

.composer-half { min-width: 0; padding-right: 28px; }
.composer-half + .composer-half {
  border-left: 1px solid var(--rule-hair);
  padding-left: 28px; padding-right: 0;
}

.composer-half h3 {
  margin: 4px 0 8px;
  font: 600 20px / 1.25 var(--serif);
}

.composer-copy {
  margin: 0 0 16px; font-size: 13.5px; line-height: 1.55;
  color: var(--ink-60); max-width: 56ch;
}

.scan-instructions {
  list-style: none; margin: 0 0 16px; padding: 0;
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  border: 1px solid var(--rule-hair);
}
.scan-instructions li { min-width: 0; padding: 10px 12px; }
.scan-instructions li + li { border-left: 1px solid var(--rule-hair); }
.scan-instructions span {
  display: block; margin-bottom: 4px; color: var(--cobalt);
  font: 600 10px / 1.2 var(--mono); letter-spacing: 0.08em;
}
.scan-instructions strong { display: block; font-size: 12px; line-height: 1.35; }
.scan-instructions small {
  display: block; margin-top: 3px; color: var(--ink-60);
  font-size: 11px; line-height: 1.4;
}

.research-brief-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
}

.research-brief-grid label {
  display: grid; gap: 6px;
  font: 500 10px / 1.4 var(--mono);
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-60);
}

.research-brief-grid .research-topics { grid-column: 1 / -1; }

.research-brief-grid textarea { min-height: 104px; resize: vertical; line-height: 1.5; }

.research-brief-grid button { grid-column: 1 / -1; justify-self: start; min-height: 44px; padding: 10px 26px; }

.form-help {
  color: var(--ink-40); font-size: 12px; line-height: 1.5;
  margin: 12px 0 0; max-width: 60ch;
}

/* ── Explore: run receipt (dark) ──────────────────────────── */

.receipt-block {
  background: var(--ink); color: var(--paper);
}

.receipt-row {
  display: grid; grid-template-columns: 170px minmax(0, 1fr); gap: 16px;
  padding: 13px 18px;
  border-bottom: 1px solid rgba(244, 241, 232, 0.16);
}
.receipt-row:last-child { border-bottom: 0; }

.receipt-label {
  font: 500 10px / 1.7 var(--mono);
  letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(244, 241, 232, 0.55);
}

.receipt-text { margin: 0; font-size: 13px; line-height: 1.6; color: var(--paper); }

#explore-preview .notice {
  border: 0; background: transparent; color: inherit;
  padding: 0; margin: 0 0 10px; font-size: 13px; line-height: 1.6;
}
#explore-preview .notice.error { color: #ffb3a8; }
#explore-preview button { margin: 4px 12px 4px 0; }
#explore-preview button.quiet { border-color: rgba(244, 241, 232, 0.5); color: var(--paper); }
#explore-preview button.quiet:hover { background: var(--paper); color: var(--ink); border-color: var(--paper); }

/* ── Explore: register + evidence sheet spread ────────────── */

.register-layout { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(340px, 0.85fr); }

.register-layout .zone { margin-top: 36px; }

.register-layout .zone:first-child { padding-right: 28px; }

.register-layout .zone:last-child {
  border-left: 1px solid var(--rule-hair);
  padding-left: 28px;
}

.register-block { margin-bottom: 30px; }
.register-block:last-child { margin-bottom: 0; }

.register-block-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 12px; margin-bottom: 12px; padding-bottom: 8px;
  border-bottom: 1px solid var(--rule-hair);
}

.register-block-head h3 {
  margin: 0;
  font: 500 11px / 1.4 var(--mono);
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-60);
}

.section-copy {
  color: var(--ink-60); margin: 0 0 12px; font-size: 12.5px;
  line-height: 1.55; max-width: 70ch;
}

.global-controls {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px; padding: 12px; margin: 0 0 16px;
  border: 1px solid var(--rule-hair);
  background: var(--paper-raised);
}

.global-controls label {
  display: grid; gap: 6px;
  font: 500 10px / 1.4 var(--mono);
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-60);
}

.global-controls .check { display: flex; align-items: center; gap: 8px; min-height: 38px; }
.global-controls .check input { width: auto; }

/* Topic families: a ruled single-column ledger, not a card grid */

.family-grid { display: grid; }

.candidate-row {
  min-width: 0; padding: 16px 4px;
  border-bottom: 1px solid var(--rule-hair);
}
.family-grid .candidate-row:first-child { border-top: 1px solid var(--rule-hair); }
.family-grid .empty { border-top: 1px solid var(--rule-hair); }

.candidate-row.selected {
  background: var(--paper-shade);
  box-shadow: inset 2px 0 0 var(--cobalt);
  padding-left: 14px;
}

.candidate-row-head {
  display: grid; grid-template-columns: 28px minmax(0, 1fr) auto;
  gap: 10px; align-items: flex-start;
}

.candidate-rank { padding-top: 5px; color: var(--ink-40); font-size: 10px; }

.family-open {
  border: 0; background: transparent; min-height: 0; padding: 0;
  text-align: left; cursor: pointer;
  font: 600 19px / 1.25 var(--serif); color: var(--ink);
}
.family-open:hover { background: transparent; color: var(--cobalt); }

.family-summary { margin: 10px 0 8px; font-size: 13.5px; line-height: 1.5; color: var(--ink-80); }
.family-terms { margin: 0 0 10px; font: 400 11.5px var(--mono); color: var(--ink-60); }
.family-meta {
  margin: 0; font: 500 10px / 1.6 var(--mono);
  color: var(--ink-40); text-transform: uppercase; letter-spacing: 0.05em;
}

.family-detail {
  border: 1px solid var(--rule-hair);
  background: var(--paper-raised);
  padding: 20px;
}

.lead-copy { font: 500 17px / 1.5 var(--serif); color: var(--ink); margin: 14px 0 4px; }

/* Scan results register */

.filter-cluster { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.cat-filter { min-height: 32px; padding: 4px 8px; font-size: 12px; }

/* ── Shared ledgers and rows ──────────────────────────────── */

.split {
  display: grid; grid-template-columns: minmax(280px, 0.72fr) minmax(420px, 1.28fr);
  border: 1px solid var(--rule-hair); min-height: 540px;
}

.index-pane { min-width: 0; border-right: 1px solid var(--rule-hair); background: var(--paper-raised); }

.detail-pane { min-width: 0; background: var(--paper); }
.split .detail-pane { padding: 26px; }
.evidence-sheet-pane { padding: 0; }

.section-head {
  min-height: 46px; padding: 0 16px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  border-bottom: 1px solid var(--rule-hair);
}

.section-head h2 {
  margin: 0;
  font: 500 11px / 1.4 var(--mono);
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-60);
}

.row-list { display: grid; }

.data-row {
  width: 100%; min-height: 72px;
  border: 0; border-bottom: 1px solid var(--rule-hair);
  background: transparent;
  text-align: left; cursor: pointer;
  padding: 14px 16px; display: grid; gap: 5px;
}
.data-row:hover { background: var(--paper-shade); }
.data-row.selected { background: var(--paper-shade); box-shadow: inset 2px 0 0 var(--cobalt); }
.data-row input[type="checkbox"] { width: 15px; height: 15px; accent-color: var(--cobalt); justify-self: start; }

.trend-result-row {
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 0; padding: 0; cursor: default; align-items: stretch;
}
.trend-select {
  min-width: 52px; min-height: 52px;
  display: flex; align-items: flex-start; justify-content: center;
  padding-top: 16px; cursor: pointer;
}
.trend-select input[type="checkbox"] { margin: 0; }
.trend-result-open {
  width: 100%; min-height: 72px; padding: 14px 16px;
  display: grid; gap: 5px; border: 0; background: transparent;
  color: var(--ink); text-align: left;
}
.trend-result-open:hover { background: transparent; color: var(--ink); }

.row-title { font-size: 14.5px; font-weight: 500; color: var(--ink); }
.row-copy {
  font-size: 12px; color: var(--ink-60);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.row-meta { font: 400 11px / 1.5 var(--mono); color: var(--ink-40); }

/* ── Empty, loading, error states ─────────────────────────── */

.empty {
  min-height: 260px; padding: 24px;
  display: flex; flex-direction: column; align-items: flex-start; justify-content: center;
  max-width: 540px; color: var(--ink-60);
}
.empty.compact { min-height: 170px; padding: 18px; }
.empty.bordered { border: 1px solid var(--rule-hair); max-width: none; min-height: 200px; }
.empty h2, .empty h3 { color: var(--ink); margin: 0 0 8px; font-family: var(--serif); }
.empty h2 { font-size: 23px; }
.empty h3 { font-size: 17px; }
.empty p { line-height: 1.55; margin: 0; font-size: 13.5px; }

.notice {
  margin: 12px 0 20px; padding: 12px 14px;
  border-left: 3px solid var(--ink);
  background: var(--paper-shade);
  color: var(--ink-80); font-size: 13px; line-height: 1.55;
}
.notice.error { border-left-color: var(--bad); background: transparent; color: var(--bad); }

/* ── Buttons ──────────────────────────────────────────────── */

button {
  min-height: 40px;
  border: 1px solid var(--ink);
  background: transparent; color: var(--ink);
  padding: 8px 16px; font: 500 13px var(--sans);
  cursor: pointer;
  transition: background-color 140ms, color 140ms, border-color 140ms;
}
button:hover { background: var(--ink); color: var(--paper); }
button:disabled { cursor: not-allowed; opacity: 0.45; }

.primary { background: var(--cobalt); border-color: var(--cobalt); color: #ffffff; }
.primary:hover { background: var(--cobalt-deep); border-color: var(--cobalt-deep); color: #ffffff; }

.quiet { background: transparent; color: var(--ink); }

.danger { color: var(--bad); border-color: var(--bad); }
.danger:hover { background: var(--bad); border-color: var(--bad); color: #ffffff; }

/* ── Forms ────────────────────────────────────────────────── */

input, textarea, select {
  width: 100%;
  border: 1px solid var(--ink);
  background: var(--paper-raised); color: var(--ink);
  padding: 9px 10px; min-height: 40px;
}
textarea { resize: vertical; line-height: 1.5; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--cobalt); outline-offset: 0; border-color: var(--cobalt); }
input[type="checkbox"] { width: 15px; height: 15px; accent-color: var(--cobalt); }

.filter-bar {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px; padding: 14px;
  border: 1px solid var(--rule-hair);
  background: var(--paper-raised);
}

.filter-bar label, .usage-query label, dialog label {
  display: grid; gap: 6px;
  font: 500 10px / 1.4 var(--mono);
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-60);
}

.filter-bar .check { display: flex; align-items: flex-start; gap: 8px; min-height: 38px; padding-top: 4px; }
.filter-bar .check input { width: auto; margin-top: 2px; }
.filter-bar .check span { display: grid; gap: 3px; }
.filter-bar .check small,
.filter-bar .control-help,
.filter-bar .filter-note {
  color: var(--ink-40); font: 400 11px / 1.45 var(--sans);
  letter-spacing: 0; text-transform: none;
}
.filter-bar .filter-note { grid-column: 1 / -1; margin: 0; }
.filter-bar button { grid-column: 1 / -1; }

/* ── Detail panes and records ─────────────────────────────── */

.detail-head {
  display: flex; justify-content: space-between; gap: 20px;
  padding-bottom: 18px; margin-bottom: 16px;
  border-bottom: 1px solid var(--rule-hair);
}
.detail-head h2 { font: 600 26px / 1.15 var(--serif); margin: 4px 0 6px; }
.detail-head p { color: var(--ink-60); line-height: 1.5; font-size: 13.5px; margin: 0; }

.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: flex-start; }

.subject-block, .evidence-section { padding: 22px 0; border-bottom: 1px solid var(--rule-hair); }
.subject-block:first-of-type { border-top: 0; padding-top: 4px; }
.subject-block h3 { font: 600 21px / 1.25 var(--serif); margin: 0 0 8px; }
.evidence-section h3, .data-section h3 {
  font: 500 11px / 1.4 var(--mono);
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-60); margin: 0 0 10px;
}

.definition-list {
  margin: 14px 0 0; display: grid;
  grid-template-columns: max-content 1fr; gap: 8px 20px; font-size: 13px;
}
.definition-list dt {
  font: 500 10px / 1.8 var(--mono);
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-60);
}
.definition-list dd { margin: 0; }

.status {
  display: inline-block; padding: 3px 8px;
  border: 1px solid currentColor;
  font: 500 10px / 1.4 var(--mono);
  text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--ink-60);
}
.status.supported, .status.complete, .status.active { color: var(--ok); }
.status.partial, .status.insufficient_evidence, .status.planned, .status.queued { color: var(--warn); }
.status.failed, .status.unavailable, .status.error { color: var(--bad); }

/* ── Findings ─────────────────────────────────────────────── */

.research-run-history { margin-bottom: 4px; }
.research-run-list { border-top: 1px solid var(--rule-hair); }

.research-run-row {
  width: 100%;
  display: grid; grid-template-columns: minmax(200px, 1fr) auto minmax(180px, 0.8fr) auto;
  gap: 16px; align-items: center; text-align: left;
  color: var(--ink); background: transparent;
  border: 0; border-bottom: 1px solid var(--rule-hair);
  padding: 14px 12px; cursor: pointer;
}
.research-run-row:hover { background: var(--paper-shade); }
.research-run-row.selected { background: var(--paper-shade); box-shadow: inset 2px 0 0 var(--cobalt); }
.research-run-row .row-title { font-family: var(--serif); font-size: 16px; font-weight: 600; }
.research-run-row .row-copy, .research-run-row .row-meta { font-size: 11.5px; color: var(--ink-60); }

.finding-summary { padding: 14px 0; border-bottom: 1px solid var(--rule-hair); }
.finding-summary p { margin: 0; line-height: 1.55; font-size: 14px; }

.evidence-record { padding: 14px 0; border-top: 1px solid var(--rule-faint); }
.evidence-record:first-of-type { border-top: 0; }
.evidence-record strong { font-size: 13.5px; font-weight: 600; }
.evidence-record p { margin: 5px 0; color: var(--ink-80); line-height: 1.55; font-size: 13.5px; white-space: pre-wrap; }

.evidence-copy { color: var(--ink); line-height: 1.6; white-space: pre-wrap; font-size: 13.5px; }
.evidence-meta {
  margin: 10px 0 4px;
  font: 500 11px / 1.4 var(--mono);
  color: var(--ink-60); text-transform: capitalize;
}
.evidence-id { display: block; margin: 0 0 10px; color: var(--ink-40); font-size: 10px; font-family: var(--mono); overflow-wrap: anywhere; }
.evidence-record a { display: inline-block; }

.focused-signal { box-shadow: inset 2px 0 0 var(--cobalt); padding-left: 14px; }

.citation-links { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 10px; }
.citation-links .mono { color: var(--ink-40); font-size: 10px; text-transform: uppercase; letter-spacing: 0.06em; }
.citation-links .source-link { margin: 0; }

.source-link {
  color: var(--cobalt); text-decoration-thickness: 1px;
  text-underline-offset: 3px; overflow-wrap: anywhere;
  font-size: 13px;
}

.raw-data {
  margin: 10px 0 0; padding: 10px 12px;
  white-space: pre-wrap; overflow-wrap: anywhere;
  color: var(--ink-60); font: 400 11px / 1.6 var(--mono);
  background: var(--paper-shade); border: 1px solid var(--rule-faint);
}

/* Coverage and receipts: ruled metric grids */

.coverage-metrics {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
  gap: 1px; background: var(--rule-hair);
  border-top: 2px solid var(--ink); border-bottom: 1px solid var(--rule-hair);
  margin: 14px 0 20px;
}
.coverage-metric { background: var(--paper); padding: 13px 12px; }
.coverage-metric strong { display: block; font: 600 22px / 1 var(--serif); color: var(--ink); }
.coverage-metric span {
  display: block; margin-top: 6px;
  font: 500 9.5px / 1.3 var(--mono);
  color: var(--ink-40); text-transform: uppercase; letter-spacing: 0.05em;
}

.coverage-source-title {
  margin: 18px 0 8px;
  font: 500 11px / 1.4 var(--mono);
  text-transform: uppercase; letter-spacing: 0.12em; color: var(--ink-60);
}

.source-receipt {
  display: grid; grid-template-columns: 120px 1fr; gap: 14px;
  padding: 11px 0; border-top: 1px solid var(--rule-faint);
}
.source-receipt p { margin: 0; color: var(--ink-60); font-size: 12.5px; }
.source-error { color: var(--bad) !important; }

.data-record { padding: 14px 0; }
.empty-copy { color: var(--ink-40); font-size: 13px; margin: 0; }

/* ── Selection bar (dark action strip) ────────────────────── */

.selection-bar {
  margin-top: 16px;
  padding: 12px 16px;
  background: var(--ink); color: var(--paper);
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.selection-bar .mono { color: rgba(244, 241, 232, 0.7); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; }
.selection-bar-top { margin-top: 0; margin-bottom: 16px; }

/* ── Tables ───────────────────────────────────────────────── */

.table-wrap { border: 1px solid var(--rule-hair); overflow-x: auto; }

.data-table { width: 100%; border-collapse: collapse; text-align: left; }
.data-table th {
  padding: 12px 16px;
  font: 500 10px / 1.4 var(--mono);
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--ink-60);
  border-bottom: 2px solid var(--ink);
}
.data-table td {
  padding: 14px 16px; border-bottom: 1px solid var(--rule-hair);
  vertical-align: top; font-size: 13px;
}
.data-table tr:last-child td { border-bottom: 0; }
.data-table tbody tr:hover td { background: var(--paper-shade); }
.data-table .actions { justify-content: flex-end; }

/* ── Usage ────────────────────────────────────────────────── */

.usage-query {
  display: flex; align-items: flex-end; gap: 12px;
  max-width: 760px; margin-bottom: 24px;
}
.usage-query label { flex: 1; }

.metric-strip {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px; background: var(--rule-hair); border: 1px solid var(--rule-hair);
}
.metric { background: var(--paper); padding: 14px 16px; }
.metric span {
  display: block;
  font: 500 10px / 1.4 var(--mono);
  text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-60);
}
.metric strong { display: block; font: 500 20px var(--mono); margin-top: 8px; }

/* ── Trend enrichment ─────────────────────────────────────── */

.trend-enrichment { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--rule-hair); }
.trend-enrichment .loading-text { font-size: 13px; color: var(--ink-60); }
.chart-box { margin-bottom: 16px; }
.sparkline { display: block; margin: 6px 0; }
.section-label {
  font: 500 10px / 1.4 var(--mono);
  color: var(--cobalt); letter-spacing: 0.12em;
  text-transform: uppercase; margin: 0 0 4px;
}
.muted.small { font-size: 12px; margin: 4px 0 0; }
.related-queries-box { margin-top: 12px; }
.related-tag-group { margin-bottom: 10px; }
.tag-label {
  font: 500 10px / 1.4 var(--mono);
  color: var(--ink-40); margin: 0 0 5px;
  text-transform: uppercase; letter-spacing: 0.08em;
}
.tag-row { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  display: inline-block; padding: 3px 9px;
  border: 1px solid var(--rule-hair);
  font: 400 11px / 1.5 var(--mono); color: var(--ink-60);
}

/* ── Dialogs ──────────────────────────────────────────────── */

dialog {
  width: min(600px, calc(100vw - 32px));
  max-height: calc(100vh - 32px); overflow: auto;
  border: 1px solid var(--ink); border-top: 4px solid var(--ink);
  background: var(--paper-raised); color: var(--ink);
  padding: 0;
  box-shadow: 0 24px 64px rgba(17, 17, 17, 0.22);
}
dialog::backdrop { background: rgba(17, 17, 17, 0.55); }
dialog form { padding: 26px 28px 28px; display: grid; gap: 16px; }
dialog header { border-bottom: 2px solid var(--ink); padding-bottom: 14px; }
dialog header h2 { font: 600 26px / 1.15 var(--serif); margin: 0; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; padding-top: 8px; }

.limit-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 1px; background: var(--rule-hair); border: 1px solid var(--rule-hair);
}
.limit-grid div { background: var(--paper); padding: 12px 14px; }
.limit-grid span, .limit-grid strong { display: block; }
.limit-grid span { font-size: 11px; color: var(--ink-60); }
.limit-grid strong { font: 500 13px var(--mono); margin-top: 5px; }

.prose { line-height: 1.6; font-size: 14px; color: var(--ink-80); }

/* ── Toast ────────────────────────────────────────────────── */

.toast {
  position: fixed; z-index: 60; right: 20px; bottom: 20px;
  max-width: 420px; padding: 12px 16px;
  background: var(--ink); color: var(--paper);
  font-size: 13px; line-height: 1.5;
}

/* ── Guided tour (manual only) ────────────────────────────── */

.tour-overlay { position: fixed; inset: 0; z-index: 100; pointer-events: none; }
.tour-spotlight {
  position: absolute;
  border: 2px solid var(--cobalt);
  box-shadow: 0 0 0 9999px rgba(17, 17, 17, 0.6);
  pointer-events: none;
}
.tour-card {
  position: absolute; z-index: 101; max-width: 380px;
  background: var(--paper-raised);
  border: 1px solid var(--ink); border-top: 4px solid var(--ink);
  padding: 0; pointer-events: auto;
  box-shadow: 0 16px 48px rgba(17, 17, 17, 0.25);
}
.tour-card-inner { padding: 22px 24px 24px; }
.tour-card .tour-step-num {
  color: var(--cobalt);
  font: 500 10px / 1.4 var(--mono);
  letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 8px;
}
.tour-card h3 { margin: 0 0 8px; font: 600 19px / 1.25 var(--serif); color: var(--ink); }
.tour-card p { margin: 0 0 18px; font-size: 13.5px; line-height: 1.55; color: var(--ink-60); }
.tour-card .tour-nav { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.tour-card .tour-nav-left { display: flex; gap: 8px; }
.tour-card .tour-nav-right { display: flex; gap: 8px; align-items: center; }
.tour-card .tour-dots { display: flex; gap: 5px; }
.tour-card .tour-dot {
  width: 8px; height: 8px; padding: 0; min-height: 0;
  background: transparent; border: 1px solid var(--rule-hair);
  cursor: pointer;
}
.tour-card .tour-dot:hover { background: var(--paper-shade); }
.tour-card .tour-dot.active { background: var(--cobalt); border-color: var(--cobalt); }
.tour-card button {
  cursor: pointer; font-size: 12.5px; padding: 7px 14px;
  border: 1px solid var(--ink); background: transparent; color: var(--ink);
}
.tour-card button:hover { background: var(--ink); color: var(--paper); }
.tour-card button.primary { background: var(--cobalt); border-color: var(--cobalt); color: #ffffff; }
.tour-card button.primary:hover { background: var(--cobalt-deep); border-color: var(--cobalt-deep); }
.tour-card button.skip { border: 0; background: transparent; font-size: 12px; padding: 8px 0; color: var(--ink-60); }
.tour-card button.skip:hover { background: transparent; color: var(--ink); text-decoration: underline; }

/* ── Discovery-to-evidence journey ───────────────────────── */

.known-topic-layout {
  display: grid; grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1.3fr);
  gap: 32px; align-items: start;
}

.source-picker {
  min-width: 0; margin: 0; padding: 12px 14px;
  border: 1px solid var(--rule-hair); background: var(--paper-raised);
}
.source-picker legend {
  padding: 0 6px; font: 500 10px / 1.4 var(--mono);
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-60);
}
.source-picker .source-options {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px;
}
.source-picker .source-options label {
  display: flex; align-items: center; gap: 7px; min-height: 34px;
  font: 500 12px / 1.4 var(--sans); letter-spacing: 0; text-transform: none;
  color: var(--ink);
}
.source-picker input { width: auto; }
.source-picker p {
  margin: 8px 0 0; color: var(--ink-60); font-size: 11.5px; line-height: 1.45;
}

.journey-progress {
  margin-top: 16px; padding: 14px 16px;
  border: 1px solid var(--rule-hair); border-left: 3px solid var(--cobalt);
  background: var(--paper-raised);
}
.journey-progress > .eyebrow { margin-bottom: 6px; }
.active-progress { display: grid; gap: 5px; }
.active-progress strong { font: 600 16px / 1.3 var(--serif); }
.active-progress p { margin: 0; color: var(--ink-60); font-size: 12.5px; line-height: 1.5; }
.active-progress.complete { border-left-color: var(--ok); }
.active-progress.error { color: var(--bad); }
.elapsed-clock {
  display: inline-block; width: fit-content; margin-top: 4px; padding: 3px 7px;
  background: var(--ink); color: var(--paper); font-size: 10.5px;
}

.live-topics { margin-top: 18px; padding-top: 20px; border-top: 1px solid var(--rule-hair); }
.ordering-copy {
  margin: 8px 0 14px; padding: 9px 11px; border-left: 2px solid var(--cobalt);
  background: rgba(8, 95, 254, 0.06); color: var(--ink-60); font-size: 12px; line-height: 1.5;
}
.result-controls {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px; margin-bottom: 14px;
}
.result-controls > label {
  display: grid; gap: 5px; font: 500 10px / 1.4 var(--mono);
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-60);
}
.result-controls .source-picker { grid-column: 1 / -1; }
.live-topics-split {
  display: grid; grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1.1fr);
  gap: 18px; align-items: start;
}
.live-topics-split > * { min-width: 0; }
.live-topics .row-list { border: 1px solid var(--rule-hair); }
.evidence-sheet-pane { margin-top: 0; min-height: 0; border: 1px solid var(--rule-hair); }

.candidate-rank {
  grid-column: 1; grid-row: 1 / span 4; align-self: start;
  color: var(--cobalt); font-size: 11px; padding-top: 2px;
}
.trend-result-open {
  grid-template-columns: 48px minmax(0, 1fr);
  row-gap: 4px;
}
.trend-result-open .row-title,
.trend-result-open .row-copy,
.trend-result-open .row-meta { grid-column: 2; }
.trend-result-open .row-copy { white-space: normal; }
.trend-result-open .social-meta { color: var(--ink); }

.selection-sources { flex: 1; color: rgba(244, 241, 232, 0.72); font-size: 11.5px; }

.research-progress-card {
  padding: 18px; border: 1px solid var(--rule-hair);
  border-left: 3px solid var(--cobalt); background: var(--paper-raised);
}
.research-progress-head {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 18px;
}
.research-progress-head h3 { margin: 2px 0 0; font: 600 22px / 1.25 var(--serif); }
.progress-phase { margin: 16px 0 4px; font: 600 17px / 1.35 var(--serif); }
.progress-units, .progress-note { color: var(--ink-60); font-size: 12px; line-height: 1.5; }
.research-progress-card > button { margin-top: 16px; }
.completed-run-details { margin-top: 18px; border-top: 1px solid var(--rule-hair); }
.completed-run-details summary {
  padding: 12px 0; cursor: pointer; font: 500 11px / 1.4 var(--mono);
  text-transform: uppercase; letter-spacing: 0.08em;
}
.completed-run-body { padding: 0 0 8px; }
.run-stage-receipt { margin-top: 16px; padding: 12px; background: var(--paper-shade); }
.run-stage-receipt h4 { margin: 0 0 8px; font-size: 12px; }
.run-stage-receipt p { margin: 4px 0; font-size: 10.5px; }

.saved-discoveries { margin-top: 54px; padding-top: 28px; border-top-width: 2px; }
.saved-discoveries-head {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 20px;
  margin-bottom: 14px;
}
.saved-discoveries-head h3 { margin: 0 0 5px; font: 600 22px / 1.25 var(--serif); }
.saved-status {
  margin: 0 0 16px; padding: 9px 11px; border: 1px solid var(--rule-hair);
  color: var(--ink-60); font-size: 12px;
}
.saved-layout {
  display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 18px; align-items: start;
}
.saved-layout .family-detail { min-height: 280px; }

.evidence-takeaway {
  margin: 16px 0 20px; padding: 18px;
  border: 1px solid var(--rule-hair); border-top: 3px solid var(--cobalt);
  background: var(--paper-raised);
}
.evidence-takeaway h4 { margin: 0 0 8px; font: 600 20px / 1.25 var(--serif); }
.takeaway-status { margin: 0; font-weight: 600; }
.takeaway-interpretation { margin: 7px 0 0; color: var(--ink-60); line-height: 1.5; }
.evidence-dimensions {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 16px; border-top: 1px solid var(--rule-hair); border-left: 1px solid var(--rule-hair);
}
.evidence-dimension { padding: 12px; border-right: 1px solid var(--rule-hair); border-bottom: 1px solid var(--rule-hair); }
.evidence-dimension strong {
  display: block; margin-bottom: 4px; font: 500 10px / 1.4 var(--mono);
  text-transform: uppercase; letter-spacing: 0.07em; color: var(--cobalt-deep);
}
.evidence-dimension p { margin: 0; color: var(--ink-60); font-size: 12px; line-height: 1.45; }
.evidence-engagement { margin: 7px 0 0; color: var(--ink); font-size: 10.5px; }
.coverage-summary, .evidence-summary-limitation {
  margin: 10px 0 0; color: var(--ink-60); font-size: 12.5px; line-height: 1.55;
}
.evidence-summary-limitation { padding-left: 10px; border-left: 2px solid var(--warn); }

/* ── Wide layout collapses ────────────────────────────────── */

@media (max-width: 1100px) {
  .known-topic-layout, .saved-layout { grid-template-columns: 1fr; }
  .composer-grid { grid-template-columns: 1fr; }
  .composer-half { padding-right: 0; }
  .composer-half + .composer-half {
    border-left: 0; border-top: 1px solid var(--rule-hair);
    padding-left: 0; padding-top: 26px; margin-top: 26px;
  }
  .global-controls { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 1000px) {
  .register-layout { grid-template-columns: 1fr; }
  .register-layout .zone:first-child { padding-right: 0; }
  .register-layout .zone:last-child {
    border-left: 0; border-top: 1px solid var(--rule-hair);
    padding-left: 0; padding-top: 26px; margin-top: 26px;
  }
}

@media (max-width: 900px) {
  main { padding: 28px 16px 72px; }
  .masthead-top { padding: 14px 16px 12px; }
  .masthead-nav { padding: 0 16px; }
  .masthead-utils { width: 100%; justify-content: space-between; }
  .workspace-control { flex: 1 1 100%; }
  .page-head { align-items: flex-start; flex-direction: column; gap: 16px; }
  .page-head > button { width: 100%; }
  .split { grid-template-columns: 1fr; }
  .live-topics-split { grid-template-columns: 1fr; }
  .index-pane { border-right: 0; border-bottom: 1px solid var(--rule-hair); }
  .detail-pane { min-height: 380px; }
  .usage-query { align-items: stretch; flex-direction: column; }
  .zone-note { display: none; }
  .zone-head { margin-bottom: 14px; }
}

@media (max-width: 760px) {
  .result-controls { grid-template-columns: 1fr; }
  .result-controls .source-picker { grid-column: auto; }
  .source-picker .source-options { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .research-brief-grid { grid-template-columns: 1fr; }
  .research-brief-grid button { width: 100%; justify-self: stretch; }
  .research-run-row { grid-template-columns: minmax(0, 1fr) auto; gap: 8px 12px; }
  .research-run-row .row-copy, .research-run-row .row-meta { grid-column: 1 / -1; }
  .research-run-row .row-meta { font-size: 10px; overflow-wrap: anywhere; }
  .source-receipt { grid-template-columns: 1fr; gap: 4px; }
  .filter-cluster { justify-content: space-between; }
}

@media (max-width: 560px) {
  button, input, textarea, select { min-height: 44px; }
  .menu-toggle {
    display: inline-flex; align-items: center; justify-content: center;
    min-height: 38px; margin-left: auto;
    font: 500 10px var(--mono); letter-spacing: 0.1em; text-transform: uppercase;
  }
  .masthead-nav { display: none; flex-wrap: wrap; overflow: visible; }
  .masthead-nav.open { display: flex; }
  .input-pair input, .input-pair button { min-height: 38px; }
  .page-head h1 { font-size: 36px; }
  .filter-bar { grid-template-columns: 1fr; }
  .scan-instructions { grid-template-columns: 1fr; }
  .scan-instructions li + li { border-left: 0; border-top: 1px solid var(--rule-hair); }
  .global-controls { grid-template-columns: 1fr; }
  .detail-pane { padding: 20px; }
  .family-detail { padding: 16px; }
  .receipt-row { grid-template-columns: 1fr; gap: 4px; padding: 12px 14px; }
  .selection-bar { align-items: stretch; flex-direction: column; }
  .selection-bar button { width: 100%; }
  .saved-discoveries-head, .research-progress-head { align-items: stretch; flex-direction: column; }
  .saved-discoveries-head button { width: 100%; }
  .evidence-dimensions { grid-template-columns: 1fr; }
  .trend-result-open { grid-template-columns: 36px minmax(0, 1fr); padding-left: 10px; }
  .trend-result-open .row-copy { white-space: normal; overflow: visible; }
  .sparkline { height: 40px !important; }
  .tag { font-size: 10.5px; }
  .source-link { display: inline-flex; align-items: center; min-height: 44px; }
  .toast { left: 16px; right: 16px; }
  .brand-sub { display: none; }
  .composer-copy { font-size: 13px; }
}

@media (max-width: 390px) {
  main { padding: 20px 12px 64px; }
  .masthead-top { padding: 12px 12px 10px; gap: 12px; }
  .masthead-nav { padding: 0 12px; gap: 16px; }
  .nav-item { font-size: 11px; letter-spacing: 0.05em; padding: 11px 0 9px; gap: 6px; }
  .page-head { padding-bottom: 16px; }
  .page-head h1 { font-size: 32px; }
  .page-head p:last-child { font-size: 13.5px; }
  .zone-head h2 { font-size: 18px; }
  .zone { margin-top: 28px; }
  .empty { padding: 16px; min-height: 180px; }
  .empty.bordered { padding: 20px; }
  .filter-cluster .cat-filter { flex: 1; min-width: 130px; }
  .family-open { font-size: 17px; }
  .brand-name { font-size: 24px; }
  .masthead-utils { gap: 10px; }
  .tour-btn { padding: 8px 10px; }
  dialog form { padding: 20px 18px 22px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}