.reference-main {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.reference-hero {
  min-height: 390px;
  padding: 72px 0 62px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 56px;
  align-items: end;
}

.reference-hero h1 {
  margin-bottom: 22px;
  font-size: clamp(3.8rem, 8vw, 7rem);
}

.reference-lede {
  max-width: 720px;
  margin-bottom: 0;
  color: #3f3a34;
  font-family: var(--serif);
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  line-height: 1.58;
}

.source-status {
  min-width: 245px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-top: 4px solid var(--crimson);
  background: var(--surface);
  box-shadow: 0 14px 38px rgba(55, 38, 18, .08);
}

.source-status span,
.reference-metrics span {
  display: block;
  color: var(--muted);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.source-status strong {
  display: block;
  margin-top: 7px;
  font-family: var(--serif);
  font-size: 1.05rem;
}

.reference-app {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  padding-bottom: 110px;
}

.filter-panel,
.browser-panel {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: 0 18px 52px rgba(55, 38, 18, .09);
}

.filter-panel {
  padding: 24px;
  display: grid;
  gap: 18px;
  position: sticky;
  top: 18px;
}

.filter-heading,
.browser-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.filter-heading .eyebrow,
.browser-heading .eyebrow {
  margin-bottom: 7px;
}

.filter-heading h2,
.browser-heading h2 {
  margin-bottom: 0;
  font-size: 2rem;
  font-weight: 500;
}

.filter-panel label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: .76rem;
  font-weight: 800;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.filter-panel input,
.filter-panel select {
  width: 100%;
  min-height: 44px;
  padding: 9px 11px;
  color: var(--ink);
  border: 1px solid rgba(49, 42, 32, .28);
  border-radius: 2px;
  background: rgba(255, 253, 247, .84);
  font-size: .92rem;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
}

.filter-panel input:focus,
.filter-panel select:focus {
  border-color: var(--crimson);
  outline: 3px solid rgba(143, 31, 37, .12);
}

.text-button {
  padding: 0;
  border: 0;
  color: var(--crimson-dark);
  background: transparent;
  font-weight: 800;
  cursor: pointer;
}

.text-button:hover { text-decoration: underline; }

.reference-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding-top: 6px;
}

.reference-metrics div {
  padding: 13px;
  border: 1px solid var(--line);
  background: rgba(255, 252, 244, .7);
}

.reference-metrics strong {
  display: block;
  margin-bottom: 4px;
  font-family: var(--serif);
  font-size: 1.55rem;
}

.reference-metrics span {
  font-size: .58rem;
  line-height: 1.35;
}

.browser-panel { min-width: 0; }

.browser-heading {
  padding: 24px 28px;
  border-bottom: 1px solid var(--line);
}

.result-summary {
  max-width: 440px;
  margin: 4px 0 0;
  color: var(--muted);
  font-size: .88rem;
  line-height: 1.5;
  text-align: right;
}

.reference-browser {
  min-height: 620px;
  display: grid;
  grid-template-columns: minmax(250px, .78fr) minmax(0, 1.22fr);
}

.reference-list {
  max-height: 760px;
  overflow-y: auto;
  border-right: 1px solid var(--line);
  scrollbar-color: rgba(143, 31, 37, .45) transparent;
}

.reference-row {
  --row-accent: var(--bronze);
  width: 100%;
  padding: 16px 17px 16px 20px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-left: 5px solid var(--row-accent);
  color: var(--ink);
  background: rgba(255, 253, 247, .42);
  text-align: left;
  cursor: pointer;
}

.reference-row:hover { background: rgba(255, 252, 244, .86); }
.reference-row.selected {
  background: #fffaf0;
  box-shadow: inset 4px 0 0 var(--row-accent);
}

.reference-row[data-faction="military"] { --row-accent: #9e262c; }
.reference-row[data-faction="diplomats"] { --row-accent: #264f91; }
.reference-row[data-faction="financiers"] { --row-accent: #227044; }
.reference-row[data-faction="intelligence"] { --row-accent: #282827; }
.reference-row[data-faction="mystics"] { --row-accent: #5d347e; }
.reference-row[data-faction="inquisition"] { --row-accent: #a67a27; }
.reference-row[data-faction="neutral"] { --row-accent: #96724a; }
.reference-row[data-faction="territory"] { --row-accent: #755b37; }

.reference-row-title {
  display: block;
  overflow: hidden;
  font-family: var(--serif);
  font-size: 1.04rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.reference-row-meta,
.preview-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 7px;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 2px 7px;
  border: 1px solid rgba(49, 42, 32, .18);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, .46);
  font-size: .64rem;
  font-weight: 750;
  letter-spacing: .025em;
}

.reference-row-arrow {
  color: var(--crimson);
  font-family: var(--serif);
  font-size: 1.3rem;
}

.reference-preview {
  --preview-accent: var(--crimson-dark);
  --preview-label-ink: #fff9ee;
  min-width: 0;
  padding: 34px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.32), transparent 44%),
    rgba(244, 237, 222, .58);
}

.reference-preview[data-faction="military"] { --preview-accent: #9e262c; }
.reference-preview[data-faction="diplomats"] { --preview-accent: #264f91; }
.reference-preview[data-faction="financiers"] { --preview-accent: #227044; }
.reference-preview[data-faction="intelligence"] { --preview-accent: #282827; }
.reference-preview[data-faction="mystics"] { --preview-accent: #5d347e; }
.reference-preview[data-faction="inquisition"] {
  --preview-accent: #a67a27;
  --preview-label-ink: #21170a;
}
.reference-preview[data-faction="neutral"] {
  --preview-accent: ivory;
  --preview-label-ink: #2d271f;
}
.reference-preview[data-faction="territory"] { --preview-accent: #755b37; }

.reference-preview.empty-state,
.reference-list.empty-state {
  display: grid;
  place-items: center;
  padding: 42px;
  color: var(--muted);
  text-align: center;
}

.preview-kicker {
  margin-bottom: 9px;
  color: var(--crimson);
  font-size: .72rem;
  font-weight: 850;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.reference-preview h3 {
  margin-bottom: 10px;
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 500;
  line-height: 1;
}

.preview-meta { margin-bottom: 28px; }

.card-text-section {
  margin-top: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 253, 247, .64);
}

.card-text-label {
  padding: 8px 11px;
  color: var(--preview-label-ink);
  background: var(--preview-accent);
  font-size: .68rem;
  font-weight: 850;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.card-text-section p {
  margin: 0;
  padding: 14px 16px 16px;
  font-family: var(--serif);
  font-size: 1.03rem;
  line-height: 1.62;
  white-space: pre-line;
}

.preview-actions {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.preview-actions .button {
  min-height: 42px;
  padding: 0 16px;
  font-size: .84rem;
}

.preview-source {
  margin-top: 22px;
  color: var(--muted);
  font-size: .78rem;
  line-height: 1.5;
}

.preview-source a { color: var(--crimson-dark); }

@media (max-width: 920px) {
  .reference-hero { grid-template-columns: 1fr; align-items: start; }
  .source-status { width: 100%; }
  .reference-app { grid-template-columns: 1fr; }
  .filter-panel { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .filter-heading, .search-field, .reference-metrics { grid-column: 1 / -1; }
}

@media (max-width: 700px) {
  .reference-main { width: min(100% - 28px, 1180px); }
  .reference-hero { min-height: auto; padding: 58px 0 46px; gap: 28px; }
  .reference-hero h1 { font-size: clamp(3.4rem, 19vw, 5.1rem); }
  .reference-app { padding-bottom: 78px; }
  .filter-panel { grid-template-columns: 1fr; }
  .filter-heading, .search-field, .reference-metrics { grid-column: auto; }
  .browser-heading { display: block; }
  .result-summary { margin-top: 9px; text-align: left; }
  .reference-browser { grid-template-columns: 1fr; min-height: 0; }
  .reference-list { max-height: none; border-right: 0; }
  .reference-preview { border-top: 1px solid var(--line); padding: 26px 22px; }
}