/* ============================================================================
   miraclefarms-intel evidence browser — house style
   Base layer follows the MiracleFarms design color system (paper constant,
   accent per section); grading colors are this repo's own fixed semantic
   layer. Reference: docs/frontend-style.md
   ========================================================================== */

:root {
  /* Paper base — never changes with the selected case */
  --bg: #faf7f0;
  --bg-card: #fffcf4;
  --bg-soft: #f1ead7;
  --ink: #2c2a26;
  --ink-soft: rgba(44, 42, 38, 0.70);
  --ink-faint: rgba(44, 42, 38, 0.45);
  --rule: rgba(44, 42, 38, 0.14);
  --rule-soft: rgba(44, 42, 38, 0.08);

  /* Fixed semantic grading colors (S/A/B/C/D) — independent of case accent */
  --grade-s: #3a5a40;
  --grade-a: #688f4e;
  --grade-b: #3d5168;
  --grade-c: #b08d3a;
  --grade-d: #9c5a3c;
  --grade-s-tint: #eaf0e3;
  --grade-a-tint: #eaf0e3;
  --grade-b-tint: #e3e8ef;
  --grade-c-tint: #f4ead0;
  --grade-d-tint: #f1e4d8;

  /* Conflict / dispute — distinct from the D grade */
  --contra: #a13d33;
  --contra-tint: #f3e0dc;

  /* Section accent — swapped per selected case by app.js */
  --sec-accent: #3a5a40;
  --sec-soft: #688f4e;
  --sec-tint: #eaf0e3;

  --serif: "Source Serif 4", "Noto Serif SC", "Songti SC", Georgia, serif;
  --sans: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

/* ---------------------------------------------------------------- shell -- */

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 304px minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
  padding: 26px 22px 30px;
  border-right: 1px solid var(--rule);
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.workspace {
  min-width: 0;
  padding: 26px 34px 90px;
  max-width: 1180px;
}

/* ---------------------------------------------------------------- brand -- */

.stamp {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-faint);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.stamp .dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--sec-accent);
}

.brand {
  display: flex;
  gap: 13px;
  align-items: flex-start;
}

.brand-mark {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border-radius: 9px;
  background: var(--sec-tint);
  display: grid;
  place-items: center;
}

.brand h1 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 21px;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.brand p {
  font-family: var(--serif);
  font-style: italic;
  color: var(--ink-soft);
  font-size: 13px;
  margin-top: 3px;
}

/* ------------------------------------------------------------- side nav -- */

.side-sec-head {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sec-accent);
  margin-bottom: 10px;
}

.side-sec-head .rule {
  flex: 1;
  height: 1px;
  background: var(--rule);
}

.side-sec-head .cjk {
  color: var(--ink-faint);
  letter-spacing: 0.06em;
}

.ledger {
  display: grid;
  gap: 0;
}

.ledger-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 7px 2px;
  border-bottom: 1px solid var(--rule-soft);
}

.ledger-row:first-child {
  border-top: 1px solid var(--rule-soft);
}

.ledger-row label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.ledger-row span {
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 500;
}

.case-list {
  display: grid;
  gap: 7px;
}

.case-option {
  width: 100%;
  text-align: left;
  padding: 10px 12px 10px 14px;
  border: 1px solid var(--rule);
  border-left: 3px solid var(--case-accent, var(--ink-faint));
  border-radius: 6px;
  background: var(--bg-card);
  transition: background 120ms ease;
}

.case-option:hover {
  background: var(--case-tint, var(--bg-soft));
}

.case-option strong {
  display: block;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 13.5px;
  line-height: 1.3;
}

.case-option span {
  display: block;
  margin-top: 4px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.03em;
  color: var(--ink-faint);
}

.case-option.active {
  background: var(--case-tint, var(--bg-soft));
}

.case-option.active strong {
  color: var(--case-accent, var(--ink));
}

.case-option:focus-visible,
.icon-button:focus-visible,
.claim-toggle:focus-visible,
.text-button:focus-visible {
  outline: 2px solid var(--sec-soft);
  outline-offset: 2px;
}

.bars {
  display: grid;
  gap: 8px;
}

.bar-row {
  display: grid;
  grid-template-columns: 16px 1fr 26px;
  gap: 9px;
  align-items: center;
}

.bar-row strong {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
}

.bar-row span {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--ink-faint);
  text-align: right;
}

.bar-track {
  height: 6px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--bg-soft);
}

.bar-fill {
  height: 100%;
  border-radius: 999px;
}

.side-foot {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  color: var(--ink-faint);
}

.side-foot .right {
  color: var(--sec-accent);
}

/* ------------------------------------------------------------ case head -- */

.case-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px 16px;
  border: 1px solid var(--rule);
  border-left: 4px solid var(--sec-accent);
  border-radius: 8px;
  background: linear-gradient(90deg, var(--sec-tint), var(--bg-card) 65%);
}

.eyebrow {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sec-accent);
}

.case-head h2 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(20px, 2.6vw, 27px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin-top: 5px;
}

.case-statline {
  margin-top: 7px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.03em;
  color: var(--ink-soft);
}

.icon-button {
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid var(--rule);
  border-radius: 7px;
  background: var(--bg-card);
  color: var(--ink-soft);
}

.icon-button:hover {
  color: var(--sec-accent);
  border-color: var(--sec-soft);
}

.icon-button svg {
  width: 16px;
  height: 16px;
}

/* --------------------------------------------------------- section heads -- */

.sec {
  margin-top: 42px;
}

.sec-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sec-accent);
}

.sec-eyebrow .num {
  font-weight: 500;
}

.sec-eyebrow .cjk {
  color: var(--ink-faint);
  letter-spacing: 0.08em;
}

.sec-eyebrow .rule {
  flex: 1;
  height: 1px;
  background: var(--rule);
}

.sec-eyebrow .count {
  color: var(--ink-faint);
  letter-spacing: 0.04em;
}

.sec-lead {
  font-family: var(--serif);
  font-style: italic;
  color: var(--ink-soft);
  font-size: 14px;
  margin: 8px 0 0;
  max-width: 720px;
}

/* ------------------------------------------------------------ claim rows -- */

.claim-list {
  margin-top: 16px;
  border-top: 1px solid var(--rule);
}

.claim {
  border-bottom: 1px solid var(--rule-soft);
  background: transparent;
  transition: background 120ms ease;
}

.claim.open {
  background: var(--bg-card);
  border-bottom-color: var(--rule);
}

.claim-toggle {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  gap: 14px;
  align-items: start;
  width: 100%;
  text-align: left;
  padding: 13px 10px 13px 2px;
}

.grade-stamp {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 16px;
  background: var(--stamp-tint, var(--bg-soft));
  color: var(--stamp-ink, var(--ink));
}

.claim-main {
  min-width: 0;
}

.claim-kicker {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.claim-kicker .flag {
  color: var(--contra);
}

.claim h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 15.5px;
  line-height: 1.4;
  margin-top: 3px;
}

.claim-aside {
  text-align: right;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--ink-faint);
  line-height: 1.7;
  padding-top: 2px;
  white-space: nowrap;
}

.claim-aside .value {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-soft);
}

.claim-aside .chev {
  display: inline-block;
  transition: transform 140ms ease;
}

.claim.open .claim-aside .chev {
  transform: rotate(180deg);
}

.claim-detail {
  display: none;
  padding: 2px 12px 18px 50px;
}

.claim.open .claim-detail {
  display: block;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.chip {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  padding: 3px 9px;
  border-radius: 4px;
  background: var(--bg-soft);
  color: var(--ink-soft);
  border: 1px solid var(--rule-soft);
}

.chip.accent {
  background: var(--sec-tint);
  color: var(--sec-accent);
  border-color: transparent;
}

.chip.contra {
  background: var(--contra-tint);
  color: var(--contra);
  border-color: transparent;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px 22px;
  max-width: 760px;
}

.detail-item label {
  display: block;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 2px;
}

.detail-item span {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.5;
}

.range-band {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-soft);
}

.range-band b {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.next-validation {
  font-family: var(--serif);
  font-style: italic;
  font-size: 13px;
  color: var(--ink-soft);
  border-left: 3px solid var(--sec-soft);
  background: var(--sec-tint);
  padding: 8px 13px;
  border-radius: 0 4px 4px 0;
  margin-top: 14px;
  max-width: 720px;
}

.empty-note {
  padding: 22px 4px;
  font-family: var(--serif);
  font-style: italic;
  color: var(--ink-faint);
  font-size: 14px;
}

/* ----------------------------------------------------------------- graph -- */

.graph-stage {
  position: relative;
  margin-top: 16px;
  min-height: clamp(420px, 62vh, 640px);
  border: 1px solid var(--rule);
  border-radius: 8px;
  background:
    radial-gradient(rgba(44, 42, 38, 0.055) 1px, transparent 1px) 0 0 / 22px 22px,
    var(--bg-card);
  overflow: hidden;
}

#graph {
  position: absolute;
  inset: 0;
}

.graph-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.03em;
  color: var(--ink-soft);
}

.graph-legend .lg {
  display: flex;
  align-items: center;
  gap: 7px;
}

.lg .sw {
  width: 11px;
  height: 11px;
  border-radius: 3px;
  border: 1.5px solid var(--ink-faint);
  flex: 0 0 auto;
}

.lg .sw.entity { background: #e3e8ef; border-color: var(--grade-b); }
.lg .sw.claim { background: var(--grade-a-tint); border-color: var(--grade-s); border-radius: 2px; }
.lg .sw.evidence { background: var(--grade-c-tint); border-color: var(--grade-c); border-radius: 50%; }

.lg .ln {
  width: 18px;
  height: 0;
  border-top: 2px solid var(--ink-faint);
  flex: 0 0 auto;
}

.lg .ln.contra { border-top: 2px dashed var(--contra); }
.lg .ln.super { border-top: 2px solid #322a50; }

.node-detail {
  position: absolute;
  right: 12px;
  bottom: 12px;
  z-index: 2;
  width: min(320px, calc(100% - 24px));
  padding: 13px 15px;
  border: 1px solid var(--rule);
  border-left: 3px solid var(--sec-accent);
  border-radius: 7px;
  background: rgba(255, 252, 244, 0.96);
  box-shadow: 0 8px 22px rgba(44, 42, 38, 0.10);
}

.node-detail h3 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 14.5px;
  line-height: 1.35;
  margin: 4px 0 5px;
}

.node-detail p {
  font-size: 12px;
  line-height: 1.5;
  color: var(--ink-soft);
}

.node-detail .hint {
  color: var(--ink-faint);
  font-family: var(--serif);
  font-style: italic;
}

/* ----------------------------------------------------- evidence/timeline -- */

.bottom-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 40px;
  align-items: start;
}

.evidence-list {
  margin-top: 14px;
  border-top: 1px solid var(--rule);
}

.evidence-row {
  padding: 11px 2px 12px;
  border-bottom: 1px solid var(--rule-soft);
}

.evidence-row h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 13.5px;
  line-height: 1.35;
}

.evidence-row h3 a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
}

.evidence-row h3 a:hover {
  color: var(--sec-accent);
  border-bottom-color: var(--sec-soft);
}

.evidence-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 6px;
}

.mini-chip {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.04em;
  padding: 2px 7px;
  border-radius: 3px;
  background: var(--bg-soft);
  color: var(--ink-soft);
}

.mini-chip.ok { background: var(--grade-s-tint); color: var(--grade-s); }
.mini-chip.warn { background: var(--grade-c-tint); color: #7a5c2e; }

.timeline {
  margin-top: 14px;
  border-left: 2px solid var(--rule);
  padding-left: 18px;
  display: grid;
  gap: 14px;
}

.timeline-item {
  position: relative;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -23.5px;
  top: 5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--dot, var(--ink-faint));
}

.timeline-item .tl-kicker {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.timeline-item h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 13.5px;
  line-height: 1.35;
  margin-top: 1px;
}

.timeline-item p {
  font-size: 12px;
  line-height: 1.5;
  color: var(--ink-soft);
  margin-top: 3px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.text-button {
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sec-accent);
  border-bottom: 1px solid var(--sec-soft);
  padding-bottom: 1px;
}

/* ------------------------------------------------------------ responsive -- */

@media (max-width: 1060px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--rule);
  }

  .side-foot {
    margin-top: 6px;
  }

  .bottom-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .workspace,
  .sidebar {
    padding-left: 16px;
    padding-right: 16px;
  }

  .case-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .claim-aside {
    display: none;
  }

  .claim-detail {
    padding-left: 12px;
  }

  .graph-stage {
    min-height: 380px;
  }
}